diff --git a/extension/version_auto.h b/extension/version_auto.h index a8f2e80..b7b0bdd 100644 --- a/extension/version_auto.h +++ b/extension/version_auto.h @@ -3,7 +3,7 @@ #define _AUTO_VERSION_INFORMATION_H_ #define SM_BUILD_TAG "" -#define SM_BUILD_UNIQUEID "38:7b77e54e78c1" SM_BUILD_TAG +#define SM_BUILD_UNIQUEID "0:fcdef8474873" SM_BUILD_TAG #define SM_VERSION "1.0.0" #define SM_FULL_VERSION SM_VERSION SM_BUILD_TAG #define SM_FILE_VERSION 1,0,0,0 diff --git a/google-breakpad/AUTHORS b/google-breakpad/AUTHORS new file mode 100644 index 0000000..4858b37 --- /dev/null +++ b/google-breakpad/AUTHORS @@ -0,0 +1 @@ +opensource@google.com diff --git a/google-breakpad/COPYING b/google-breakpad/COPYING new file mode 100644 index 0000000..d15b0c2 --- /dev/null +++ b/google-breakpad/COPYING @@ -0,0 +1,28 @@ +Copyright (c) 2006, Google Inc. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/google-breakpad/ChangeLog b/google-breakpad/ChangeLog new file mode 100644 index 0000000..e69de29 diff --git a/google-breakpad/DEPS b/google-breakpad/DEPS new file mode 100644 index 0000000..33f7b65 --- /dev/null +++ b/google-breakpad/DEPS @@ -0,0 +1,44 @@ +# Copyright (c) 2010, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# We only use this file to ease the steps of generating projects after +# syncing, if we use gclient. All dependencies are svn:externals instead. +# If you're not using gclient, you need to run the gyp python script to +# generate the projects. +# This can be done by the following command (assuming current directory): +# src\tools\gyp\gyp.bat src\client\windows\breakpad_client.gyp +hooks = [ + { + # A change to a .gyp, .gypi, or to GYP itself should run the generator. + "pattern": ".", + "action": ["python", + "src/src/tools/gyp/gyp", + "src/src/client/windows/breakpad_client.gyp"], + }, +] diff --git a/google-breakpad/INSTALL b/google-breakpad/INSTALL new file mode 100644 index 0000000..5458714 --- /dev/null +++ b/google-breakpad/INSTALL @@ -0,0 +1,234 @@ +Installation Instructions +************************* + +Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, +2006 Free Software Foundation, Inc. + +This file is free documentation; the Free Software Foundation gives +unlimited permission to copy, distribute and modify it. + +Basic Installation +================== + +Briefly, the shell commands `./configure; make; make install' should +configure, build, and install this package. The following +more-detailed instructions are generic; see the `README' file for +instructions specific to this package. + + The `configure' shell script attempts to guess correct values for +various system-dependent variables used during compilation. It uses +those values to create a `Makefile' in each directory of the package. +It may also create one or more `.h' files containing system-dependent +definitions. Finally, it creates a shell script `config.status' that +you can run in the future to recreate the current configuration, and a +file `config.log' containing compiler output (useful mainly for +debugging `configure'). + + It can also use an optional file (typically called `config.cache' +and enabled with `--cache-file=config.cache' or simply `-C') that saves +the results of its tests to speed up reconfiguring. Caching is +disabled by default to prevent problems with accidental use of stale +cache files. + + If you need to do unusual things to compile the package, please try +to figure out how `configure' could check whether to do them, and mail +diffs or instructions to the address given in the `README' so they can +be considered for the next release. If you are using the cache, and at +some point `config.cache' contains results you don't want to keep, you +may remove or edit it. + + The file `configure.ac' (or `configure.in') is used to create +`configure' by a program called `autoconf'. You need `configure.ac' if +you want to change it or regenerate `configure' using a newer version +of `autoconf'. + +The simplest way to compile this package is: + + 1. `cd' to the directory containing the package's source code and type + `./configure' to configure the package for your system. + + Running `configure' might take a while. While running, it prints + some messages telling which features it is checking for. + + 2. Type `make' to compile the package. + + 3. Optionally, type `make check' to run any self-tests that come with + the package. + + 4. Type `make install' to install the programs and any data files and + documentation. + + 5. You can remove the program binaries and object files from the + source code directory by typing `make clean'. To also remove the + files that `configure' created (so you can compile the package for + a different kind of computer), type `make distclean'. There is + also a `make maintainer-clean' target, but that is intended mainly + for the package's developers. If you use it, you may have to get + all sorts of other programs in order to regenerate files that came + with the distribution. + +Compilers and Options +===================== + +Some systems require unusual options for compilation or linking that the +`configure' script does not know about. Run `./configure --help' for +details on some of the pertinent environment variables. + + You can give `configure' initial values for configuration parameters +by setting variables in the command line or in the environment. Here +is an example: + + ./configure CC=c99 CFLAGS=-g LIBS=-lposix + + *Note Defining Variables::, for more details. + +Compiling For Multiple Architectures +==================================== + +You can compile the package for more than one kind of computer at the +same time, by placing the object files for each architecture in their +own directory. To do this, you can use GNU `make'. `cd' to the +directory where you want the object files and executables to go and run +the `configure' script. `configure' automatically checks for the +source code in the directory that `configure' is in and in `..'. + + With a non-GNU `make', it is safer to compile the package for one +architecture at a time in the source code directory. After you have +installed the package for one architecture, use `make distclean' before +reconfiguring for another architecture. + +Installation Names +================== + +By default, `make install' installs the package's commands under +`/usr/local/bin', include files under `/usr/local/include', etc. You +can specify an installation prefix other than `/usr/local' by giving +`configure' the option `--prefix=PREFIX'. + + You can specify separate installation prefixes for +architecture-specific files and architecture-independent files. If you +pass the option `--exec-prefix=PREFIX' to `configure', the package uses +PREFIX as the prefix for installing programs and libraries. +Documentation and other data files still use the regular prefix. + + In addition, if you use an unusual directory layout you can give +options like `--bindir=DIR' to specify different values for particular +kinds of files. Run `configure --help' for a list of the directories +you can set and what kinds of files go in them. + + If the package supports it, you can cause programs to be installed +with an extra prefix or suffix on their names by giving `configure' the +option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. + +Optional Features +================= + +Some packages pay attention to `--enable-FEATURE' options to +`configure', where FEATURE indicates an optional part of the package. +They may also pay attention to `--with-PACKAGE' options, where PACKAGE +is something like `gnu-as' or `x' (for the X Window System). The +`README' should mention any `--enable-' and `--with-' options that the +package recognizes. + + For packages that use the X Window System, `configure' can usually +find the X include and library files automatically, but if it doesn't, +you can use the `configure' options `--x-includes=DIR' and +`--x-libraries=DIR' to specify their locations. + +Specifying the System Type +========================== + +There may be some features `configure' cannot figure out automatically, +but needs to determine by the type of machine the package will run on. +Usually, assuming the package is built to be run on the _same_ +architectures, `configure' can figure that out, but if it prints a +message saying it cannot guess the machine type, give it the +`--build=TYPE' option. TYPE can either be a short name for the system +type, such as `sun4', or a canonical name which has the form: + + CPU-COMPANY-SYSTEM + +where SYSTEM can have one of these forms: + + OS KERNEL-OS + + See the file `config.sub' for the possible values of each field. If +`config.sub' isn't included in this package, then this package doesn't +need to know the machine type. + + If you are _building_ compiler tools for cross-compiling, you should +use the option `--target=TYPE' to select the type of system they will +produce code for. + + If you want to _use_ a cross compiler, that generates code for a +platform different from the build platform, you should specify the +"host" platform (i.e., that on which the generated programs will +eventually be run) with `--host=TYPE'. + +Sharing Defaults +================ + +If you want to set default values for `configure' scripts to share, you +can create a site shell script called `config.site' that gives default +values for variables like `CC', `cache_file', and `prefix'. +`configure' looks for `PREFIX/share/config.site' if it exists, then +`PREFIX/etc/config.site' if it exists. Or, you can set the +`CONFIG_SITE' environment variable to the location of the site script. +A warning: not all `configure' scripts look for a site script. + +Defining Variables +================== + +Variables not defined in a site shell script can be set in the +environment passed to `configure'. However, some packages may run +configure again during the build, and the customized values of these +variables may be lost. In order to avoid this problem, you should set +them in the `configure' command line, using `VAR=value'. For example: + + ./configure CC=/usr/local2/bin/gcc + +causes the specified `gcc' to be used as the C compiler (unless it is +overridden in the site shell script). + +Unfortunately, this technique does not work for `CONFIG_SHELL' due to +an Autoconf bug. Until the bug is fixed you can use this workaround: + + CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash + +`configure' Invocation +====================== + +`configure' recognizes the following options to control how it operates. + +`--help' +`-h' + Print a summary of the options to `configure', and exit. + +`--version' +`-V' + Print the version of Autoconf used to generate the `configure' + script, and exit. + +`--cache-file=FILE' + Enable the cache: use and save the results of the tests in FILE, + traditionally `config.cache'. FILE defaults to `/dev/null' to + disable caching. + +`--config-cache' +`-C' + Alias for `--cache-file=config.cache'. + +`--quiet' +`--silent' +`-q' + Do not print messages saying which checks are being made. To + suppress all normal output, redirect it to `/dev/null' (any error + messages will still be shown). + +`--srcdir=DIR' + Look for the package's source code in directory DIR. Usually + `configure' can determine that directory automatically. + +`configure' also accepts some other, not widely useful, options. Run +`configure --help' for more details. + diff --git a/google-breakpad/Makefile.am b/google-breakpad/Makefile.am new file mode 100644 index 0000000..92e9192 --- /dev/null +++ b/google-breakpad/Makefile.am @@ -0,0 +1,1112 @@ +## Process this file with automake to produce Makefile.in + +# Copyright (c) 2011, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +# This allows #includes to be relative to src/ +AM_CPPFLAGS = -I$(top_srcdir)/src +AM_CFLAGS = +AM_CXXFLAGS = + +if ANDROID_HOST +# This allows using fixed NDK headers when building for Android. +AM_CXXFLAGS += -I$(top_srcdir)/src/common/android/include +# This is only necessary for building the unit tests until GTest is upgraded +# to a future version. +AM_CXXFLAGS += -I$(top_srcdir)/src/common/android/testing/include +endif + +if GCC +# These are good warnings to be treated as errors +AM_CXXFLAGS += \ + -Werror=missing-braces \ + -Werror=non-virtual-dtor \ + -Werror=overloaded-virtual \ + -Werror=reorder \ + -Werror=sign-compare \ + -Werror=unused-variable \ + -Werror=vla +endif + +if LINUX_HOST +# Build as PIC on Linux, for linux_client_unittest_shlib +AM_CFLAGS += -fPIC +AM_CXXFLAGS += -fPIC +endif + +# Specify include paths for ac macros +ACLOCAL_AMFLAGS = -I m4 + +## Documentation +docdir = $(prefix)/share/doc/$(PACKAGE)-$(VERSION) + +dist_doc_DATA = \ + AUTHORS \ + COPYING \ + ChangeLog \ + INSTALL \ + NEWS \ + README + + +## Libraries +noinst_LIBRARIES = +lib_LIBRARIES = +bin_PROGRAMS = +check_PROGRAMS = + +if !DISABLE_PROCESSOR +lib_LIBRARIES += src/libbreakpad.a +noinst_LIBRARIES += src/third_party/libdisasm/libdisasm.a +endif + +if LINUX_HOST +lib_LIBRARIES += src/client/linux/libbreakpad_client.a + +src_client_linux_libbreakpad_client_a_SOURCES = \ + src/client/linux/crash_generation/crash_generation_client.cc \ + src/client/linux/crash_generation/crash_generation_server.cc \ + src/client/linux/handler/exception_handler.cc \ + src/client/linux/handler/minidump_descriptor.cc \ + src/client/linux/log/log.cc \ + src/client/linux/minidump_writer/linux_dumper.cc \ + src/client/linux/minidump_writer/linux_ptrace_dumper.cc \ + src/client/linux/minidump_writer/minidump_writer.cc \ + src/client/minidump_file_writer.cc \ + src/common/convert_UTF.c \ + src/common/md5.cc \ + src/common/string_conversion.cc \ + src/common/linux/elfutils.cc \ + src/common/linux/file_id.cc \ + src/common/linux/guid_creator.cc \ + src/common/linux/linux_libc_support.cc \ + src/common/linux/memory_mapped_file.cc \ + src/common/linux/safe_readlink.cc +if ANDROID_HOST +src_client_linux_libbreakpad_client_a_SOURCES += \ + src/common/android/breakpad_getcontext.S +endif +endif LINUX_HOST + +if !DISABLE_PROCESSOR +src_libbreakpad_a_SOURCES = \ + src/google_breakpad/common/breakpad_types.h \ + src/google_breakpad/common/minidump_format.h \ + src/google_breakpad/common/minidump_size.h \ + src/google_breakpad/processor/basic_source_line_resolver.h \ + src/google_breakpad/processor/call_stack.h \ + src/google_breakpad/processor/code_module.h \ + src/google_breakpad/processor/code_modules.h \ + src/google_breakpad/processor/exploitability.h \ + src/google_breakpad/processor/fast_source_line_resolver.h \ + src/google_breakpad/processor/memory_region.h \ + src/google_breakpad/processor/minidump.h \ + src/google_breakpad/processor/minidump_processor.h \ + src/google_breakpad/processor/process_state.h \ + src/google_breakpad/processor/source_line_resolver_base.h \ + src/google_breakpad/processor/source_line_resolver_interface.h \ + src/google_breakpad/processor/stack_frame.h \ + src/google_breakpad/processor/stack_frame_cpu.h \ + src/google_breakpad/processor/stack_frame_symbolizer.h \ + src/google_breakpad/processor/stackwalker.h \ + src/google_breakpad/processor/symbol_supplier.h \ + src/google_breakpad/processor/system_info.h \ + src/processor/address_map-inl.h \ + src/processor/address_map.h \ + src/processor/basic_code_module.h \ + src/processor/basic_code_modules.cc \ + src/processor/basic_code_modules.h \ + src/processor/basic_source_line_resolver_types.h \ + src/processor/basic_source_line_resolver.cc \ + src/processor/binarystream.h \ + src/processor/binarystream.cc \ + src/processor/call_stack.cc \ + src/processor/cfi_frame_info.cc \ + src/processor/cfi_frame_info.h \ + src/processor/contained_range_map-inl.h \ + src/processor/contained_range_map.h \ + src/processor/disassembler_x86.h \ + src/processor/disassembler_x86.cc \ + src/processor/exploitability.cc \ + src/processor/exploitability_win.h \ + src/processor/exploitability_win.cc \ + src/processor/fast_source_line_resolver_types.h \ + src/processor/fast_source_line_resolver.cc \ + src/processor/linked_ptr.h \ + src/processor/logging.h \ + src/processor/logging.cc \ + src/processor/map_serializers-inl.h \ + src/processor/map_serializers.h \ + src/processor/minidump.cc \ + src/processor/minidump_processor.cc \ + src/processor/module_comparer.cc \ + src/processor/module_comparer.h \ + src/processor/module_factory.h \ + src/processor/module_serializer.cc \ + src/processor/module_serializer.h \ + src/processor/pathname_stripper.cc \ + src/processor/pathname_stripper.h \ + src/processor/postfix_evaluator-inl.h \ + src/processor/postfix_evaluator.h \ + src/processor/process_state.cc \ + src/processor/range_map-inl.h \ + src/processor/range_map.h \ + src/processor/simple_serializer-inl.h \ + src/processor/simple_serializer.h \ + src/processor/simple_symbol_supplier.cc \ + src/processor/simple_symbol_supplier.h \ + src/processor/windows_frame_info.h \ + src/processor/source_line_resolver_base_types.h \ + src/processor/source_line_resolver_base.cc \ + src/processor/stack_frame_symbolizer.cc \ + src/processor/stackwalker.cc \ + src/processor/stackwalker_amd64.cc \ + src/processor/stackwalker_amd64.h \ + src/processor/stackwalker_arm.cc \ + src/processor/stackwalker_arm.h \ + src/processor/stackwalker_ppc.cc \ + src/processor/stackwalker_ppc.h \ + src/processor/stackwalker_ppc64.cc \ + src/processor/stackwalker_ppc64.h \ + src/processor/stackwalker_sparc.cc \ + src/processor/stackwalker_sparc.h \ + src/processor/stackwalker_x86.cc \ + src/processor/stackwalker_x86.h \ + src/processor/static_address_map-inl.h \ + src/processor/static_address_map.h \ + src/processor/static_contained_range_map-inl.h \ + src/processor/static_contained_range_map.h \ + src/processor/static_map_iterator-inl.h \ + src/processor/static_map_iterator.h \ + src/processor/static_map-inl.h \ + src/processor/static_map.h \ + src/processor/static_range_map-inl.h \ + src/processor/static_range_map.h \ + src/processor/tokenize.cc \ + src/processor/tokenize.h + +src_libbreakpad_a_LIBADD = src/third_party/libdisasm/libdisasm.a + +src_third_party_libdisasm_libdisasm_a_SOURCES = \ + src/third_party/libdisasm/ia32_implicit.c \ + src/third_party/libdisasm/ia32_implicit.h \ + src/third_party/libdisasm/ia32_insn.c \ + src/third_party/libdisasm/ia32_insn.h \ + src/third_party/libdisasm/ia32_invariant.c \ + src/third_party/libdisasm/ia32_invariant.h \ + src/third_party/libdisasm/ia32_modrm.c \ + src/third_party/libdisasm/ia32_modrm.h \ + src/third_party/libdisasm/ia32_opcode_tables.c \ + src/third_party/libdisasm/ia32_opcode_tables.h \ + src/third_party/libdisasm/ia32_operand.c \ + src/third_party/libdisasm/ia32_operand.h \ + src/third_party/libdisasm/ia32_reg.c \ + src/third_party/libdisasm/ia32_reg.h \ + src/third_party/libdisasm/ia32_settings.c \ + src/third_party/libdisasm/ia32_settings.h \ + src/third_party/libdisasm/libdis.h \ + src/third_party/libdisasm/qword.h \ + src/third_party/libdisasm/x86_disasm.c \ + src/third_party/libdisasm/x86_format.c \ + src/third_party/libdisasm/x86_imm.c \ + src/third_party/libdisasm/x86_imm.h \ + src/third_party/libdisasm/x86_insn.c \ + src/third_party/libdisasm/x86_misc.c \ + src/third_party/libdisasm/x86_operand_list.c \ + src/third_party/libdisasm/x86_operand_list.h + +## Programs +bin_PROGRAMS += \ + src/processor/minidump_dump \ + src/processor/minidump_stackwalk +endif !DISABLE_PROCESSOR + +if LINUX_HOST +bin_PROGRAMS += \ + src/client/linux/linux_dumper_unittest_helper + +if !DISABLE_TOOLS +bin_PROGRAMS += \ + src/tools/linux/core2md/core2md \ + src/tools/linux/dump_syms/dump_syms \ + src/tools/linux/md2core/minidump-2-core \ + src/tools/linux/symupload/minidump_upload \ + src/tools/linux/symupload/sym_upload +endif +endif LINUX_HOST + + +## Tests +if !DISABLE_PROCESSOR +check_PROGRAMS += \ + src/common/test_assembler_unittest \ + src/processor/address_map_unittest \ + src/processor/binarystream_unittest \ + src/processor/basic_source_line_resolver_unittest \ + src/processor/cfi_frame_info_unittest \ + src/processor/contained_range_map_unittest \ + src/processor/disassembler_x86_unittest \ + src/processor/exploitability_unittest \ + src/processor/fast_source_line_resolver_unittest \ + src/processor/map_serializers_unittest \ + src/processor/minidump_processor_unittest \ + src/processor/minidump_unittest \ + src/processor/static_address_map_unittest \ + src/processor/static_contained_range_map_unittest \ + src/processor/static_map_unittest \ + src/processor/static_range_map_unittest \ + src/processor/pathname_stripper_unittest \ + src/processor/postfix_evaluator_unittest \ + src/processor/range_map_unittest \ + src/processor/stackwalker_amd64_unittest \ + src/processor/stackwalker_arm_unittest \ + src/processor/stackwalker_x86_unittest \ + src/processor/synth_minidump_unittest +endif + +if LINUX_HOST +EXTRA_PROGRAMS = \ + src/client/linux/linux_client_unittest_shlib + +check_PROGRAMS += \ + src/client/linux/linux_client_unittest + +if !DISABLE_TOOLS +check_PROGRAMS += \ + src/common/dumper_unittest \ + src/tools/linux/md2core/minidump_2_core_unittest +endif +endif LINUX_HOST + +if !DISABLE_PROCESSOR +if SELFTEST +check_PROGRAMS += \ + src/processor/stackwalker_selftest +endif SELFTEST +endif !DISABLE_PROCESSOR + +if !DISABLE_PROCESSOR +check_SCRIPTS = \ + src/processor/minidump_dump_test \ + src/processor/minidump_stackwalk_test \ + src/processor/minidump_stackwalk_machine_readable_test +endif + +TESTS = $(check_PROGRAMS) $(check_SCRIPTS) + +if ANDROID_HOST +# Wrapper script to run unit test programs on a connected Android device. +TESTS_ENVIRONMENT = $(top_srcdir)/android/test-shell.sh +else +TESTS_ENVIRONMENT = +endif + +if LINUX_HOST +src_client_linux_linux_dumper_unittest_helper_SOURCES = \ + src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc +src_client_linux_linux_dumper_unittest_helper_CXXFLAGS=$(PTHREAD_CFLAGS) +src_client_linux_linux_dumper_unittest_helper_LDFLAGS=$(PTHREAD_CFLAGS) +src_client_linux_linux_dumper_unittest_helper_CC=$(PTHREAD_CC) + +src_client_linux_linux_client_unittest_shlib_SOURCES = \ + src/client/linux/handler/exception_handler_unittest.cc \ + src/client/linux/minidump_writer/directory_reader_unittest.cc \ + src/client/linux/minidump_writer/cpu_set_unittest.cc \ + src/client/linux/minidump_writer/line_reader_unittest.cc \ + src/client/linux/minidump_writer/linux_core_dumper.cc \ + src/client/linux/minidump_writer/linux_core_dumper_unittest.cc \ + src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc \ + src/client/linux/minidump_writer/minidump_writer_unittest.cc \ + src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc \ + src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc \ + src/common/linux/elf_core_dump.cc \ + src/common/linux/linux_libc_support_unittest.cc \ + src/common/linux/tests/crash_generator.cc \ + src/common/memory_unittest.cc \ + src/common/tests/file_utils.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc \ + src/processor/basic_code_modules.cc \ + src/processor/logging.cc \ + src/processor/minidump.cc \ + src/processor/pathname_stripper.cc +if ANDROID_HOST +src_client_linux_linux_client_unittest_shlib_SOURCES += \ + src/common/android/breakpad_getcontext.S +endif + +src_client_linux_linux_client_unittest_shlib_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_client_linux_linux_client_unittest_shlib_LDFLAGS = \ + -shared \ + -Wl,-h,linux_client_unittest_shlib +src_client_linux_linux_client_unittest_shlib_LDADD = \ + src/client/linux/handler/exception_handler.o \ + src/client/linux/handler/minidump_descriptor.o \ + src/client/linux/log/log.o \ + src/client/linux/crash_generation/crash_generation_client.o \ + src/client/linux/minidump_writer/linux_dumper.o \ + src/client/linux/minidump_writer/linux_ptrace_dumper.o \ + src/client/linux/minidump_writer/minidump_writer.o \ + src/client/minidump_file_writer.o \ + src/common/convert_UTF.o \ + src/common/md5.o \ + src/common/linux/elfutils.o \ + src/common/linux/file_id.o \ + src/common/linux/guid_creator.o \ + src/common/linux/linux_libc_support.o \ + src/common/linux/memory_mapped_file.o \ + src/common/linux/safe_readlink.o \ + src/common/string_conversion.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +if ANDROID_HOST +src_client_linux_linux_client_unittest_shlib_SOURCES += \ + src/common/android/breakpad_getcontext_unittest.cc +src_client_linux_linux_client_unittest_shlib_LDFLAGS += \ + -llog -lm +endif + +src_client_linux_linux_client_unittest_shlib_DEPENDENCIES = \ + src/client/linux/linux_dumper_unittest_helper \ + src/client/linux/libbreakpad_client.a \ + src/libbreakpad.a + +src_client_linux_linux_client_unittest_SOURCES = +src_client_linux_linux_client_unittest_LDFLAGS = \ + -Wl,-rpath,'$$ORIGIN' +if ANDROID_HOST +src_client_linux_linux_client_unittest_LDFLAGS += \ + -llog +endif + +src_client_linux_linux_client_unittest_LDADD = \ + src/client/linux/linux_client_unittest_shlib + +src_client_linux_linux_client_unittest_DEPENDENCIES = \ + src/client/linux/linux_client_unittest_shlib + +if !DISABLE_TOOLS +src_tools_linux_core2md_core2md_SOURCES = \ + src/tools/linux/core2md/core2md.cc \ + src/client/linux/minidump_writer/linux_core_dumper.cc \ + src/common/linux/elf_core_dump.cc + +src_tools_linux_core2md_core2md_LDADD = \ + src/client/linux/libbreakpad_client.a + +src_tools_linux_dump_syms_dump_syms_SOURCES = \ + src/common/dwarf_cfi_to_module.cc \ + src/common/dwarf_cu_to_module.cc \ + src/common/dwarf_line_to_module.cc \ + src/common/language.cc \ + src/common/module.cc \ + src/common/stabs_reader.cc \ + src/common/stabs_to_module.cc \ + src/common/dwarf/bytereader.cc \ + src/common/dwarf/dwarf2diehandler.cc \ + src/common/dwarf/dwarf2reader.cc \ + src/common/linux/dump_symbols.cc \ + src/common/linux/elf_symbols_to_module.cc \ + src/common/linux/elfutils.cc \ + src/common/linux/file_id.cc \ + src/common/linux/linux_libc_support.cc \ + src/common/linux/memory_mapped_file.cc \ + src/common/linux/safe_readlink.cc \ + src/tools/linux/dump_syms/dump_syms.cc + +src_tools_linux_md2core_minidump_2_core_SOURCES = \ + src/common/linux/memory_mapped_file.cc \ + src/tools/linux/md2core/minidump-2-core.cc + +src_tools_linux_symupload_minidump_upload_SOURCES = \ + src/common/linux/http_upload.cc \ + src/tools/linux/symupload/minidump_upload.cc +src_tools_linux_symupload_minidump_upload_LDADD = -ldl + +src_tools_linux_symupload_sym_upload_SOURCES = \ + src/common/linux/http_upload.cc \ + src/tools/linux/symupload/sym_upload.cc +src_tools_linux_symupload_sym_upload_LDADD = -ldl + +src_common_dumper_unittest_SOURCES = \ + src/common/byte_cursor_unittest.cc \ + src/common/dwarf_cfi_to_module.cc \ + src/common/dwarf_cfi_to_module_unittest.cc \ + src/common/dwarf_cu_to_module.cc \ + src/common/dwarf_cu_to_module_unittest.cc \ + src/common/dwarf_line_to_module.cc \ + src/common/dwarf_line_to_module_unittest.cc \ + src/common/language.cc \ + src/common/memory_range_unittest.cc \ + src/common/module.cc \ + src/common/module_unittest.cc \ + src/common/stabs_reader.cc \ + src/common/stabs_reader_unittest.cc \ + src/common/stabs_to_module.cc \ + src/common/stabs_to_module_unittest.cc \ + src/common/test_assembler.cc \ + src/common/dwarf/bytereader.cc \ + src/common/dwarf/bytereader_unittest.cc \ + src/common/dwarf/cfi_assembler.cc \ + src/common/dwarf/dwarf2diehandler.cc \ + src/common/dwarf/dwarf2diehandler_unittest.cc \ + src/common/dwarf/dwarf2reader.cc \ + src/common/dwarf/dwarf2reader_cfi_unittest.cc \ + src/common/dwarf/dwarf2reader_die_unittest.cc \ + src/common/linux/dump_symbols.cc \ + src/common/linux/dump_symbols_unittest.cc \ + src/common/linux/elf_core_dump.cc \ + src/common/linux/elf_core_dump_unittest.cc \ + src/common/linux/elf_symbols_to_module.cc \ + src/common/linux/elf_symbols_to_module_unittest.cc \ + src/common/linux/elfutils.cc \ + src/common/linux/file_id.cc \ + src/common/linux/file_id_unittest.cc \ + src/common/linux/linux_libc_support.cc \ + src/common/linux/memory_mapped_file.cc \ + src/common/linux/memory_mapped_file_unittest.cc \ + src/common/linux/safe_readlink.cc \ + src/common/linux/safe_readlink_unittest.cc \ + src/common/linux/synth_elf.cc \ + src/common/linux/synth_elf_unittest.cc \ + src/common/linux/tests/crash_generator.cc \ + src/common/tests/file_utils.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_common_dumper_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing \ + $(PTHREAD_CFLAGS) +src_common_dumper_unittest_LDADD = $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +endif + +src_tools_linux_md2core_minidump_2_core_unittest_SOURCES = \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc \ + src/tools/linux/md2core/minidump_memory_range_unittest.cc +src_tools_linux_md2core_minidump_2_core_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_tools_linux_md2core_minidump_2_core_unittest_LDADD = \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +endif LINUX_HOST + +if !DISABLE_PROCESSOR +src_processor_address_map_unittest_SOURCES = \ + src/processor/address_map_unittest.cc +src_processor_address_map_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o + +src_processor_binarystream_unittest_SOURCES = \ + src/processor/binarystream_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_binarystream_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_binarystream_unittest_LDADD = \ + src/processor/binarystream.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_basic_source_line_resolver_unittest_SOURCES = \ + src/processor/basic_source_line_resolver_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_basic_source_line_resolver_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_basic_source_line_resolver_unittest_LDADD = \ + src/processor/basic_source_line_resolver.o \ + src/processor/cfi_frame_info.o \ + src/processor/pathname_stripper.o \ + src/processor/logging.o \ + src/processor/source_line_resolver_base.o \ + src/processor/tokenize.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_cfi_frame_info_unittest_SOURCES = \ + src/processor/cfi_frame_info_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_processor_cfi_frame_info_unittest_LDADD = \ + src/processor/cfi_frame_info.o \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +src_processor_cfi_frame_info_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing + +src_processor_contained_range_map_unittest_SOURCES = \ + src/processor/contained_range_map_unittest.cc +src_processor_contained_range_map_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o + +src_processor_exploitability_unittest_SOURCES = \ + src/processor/exploitability_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_processor_exploitability_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_exploitability_unittest_LDADD = \ + src/processor/minidump_processor.o \ + src/processor/process_state.o \ + src/processor/disassembler_x86.o \ + src/processor/exploitability.o \ + src/processor/exploitability_win.o \ + src/processor/basic_code_modules.o \ + src/processor/basic_source_line_resolver.o \ + src/processor/call_stack.o \ + src/processor/cfi_frame_info.o \ + src/processor/logging.o \ + src/processor/minidump.o \ + src/processor/pathname_stripper.o \ + src/processor/source_line_resolver_base.o \ + src/processor/stack_frame_symbolizer.o \ + src/processor/stackwalker.o \ + src/processor/stackwalker_amd64.o \ + src/processor/stackwalker_arm.o \ + src/processor/stackwalker_ppc.o \ + src/processor/stackwalker_ppc64.o \ + src/processor/stackwalker_sparc.o \ + src/processor/stackwalker_x86.o \ + src/processor/tokenize.o \ + src/third_party/libdisasm/libdisasm.a \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_disassembler_x86_unittest_SOURCES = \ + src/processor/disassembler_x86_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_processor_disassembler_x86_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_disassembler_x86_unittest_LDADD = \ + src/processor/disassembler_x86.o \ + src/third_party/libdisasm/libdisasm.a \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_fast_source_line_resolver_unittest_SOURCES = \ + src/processor/fast_source_line_resolver_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_fast_source_line_resolver_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_fast_source_line_resolver_unittest_LDADD = \ + src/processor/fast_source_line_resolver.o \ + src/processor/basic_source_line_resolver.o \ + src/processor/cfi_frame_info.o \ + src/processor/module_comparer.o \ + src/processor/module_serializer.o \ + src/processor/pathname_stripper.o \ + src/processor/logging.o \ + src/processor/source_line_resolver_base.o \ + src/processor/tokenize.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_map_serializers_unittest_SOURCES = \ + src/processor/map_serializers_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_map_serializers_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_map_serializers_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_minidump_processor_unittest_SOURCES = \ + src/processor/minidump_processor_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_minidump_processor_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_minidump_processor_unittest_LDADD = \ + src/processor/basic_code_modules.o \ + src/processor/basic_source_line_resolver.o \ + src/processor/call_stack.o \ + src/processor/cfi_frame_info.o \ + src/processor/disassembler_x86.o \ + src/processor/exploitability.o \ + src/processor/exploitability_win.o \ + src/processor/logging.o \ + src/processor/minidump_processor.o \ + src/processor/minidump.o \ + src/processor/pathname_stripper.o \ + src/processor/process_state.o \ + src/processor/source_line_resolver_base.o \ + src/processor/stack_frame_symbolizer.o \ + src/processor/stackwalker.o \ + src/processor/stackwalker_amd64.o \ + src/processor/stackwalker_arm.o \ + src/processor/stackwalker_ppc.o \ + src/processor/stackwalker_ppc64.o \ + src/processor/stackwalker_sparc.o \ + src/processor/stackwalker_x86.o \ + src/processor/tokenize.o \ + src/third_party/libdisasm/libdisasm.a \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_minidump_unittest_SOURCES = \ + src/common/test_assembler.cc \ + src/processor/minidump_unittest.cc \ + src/processor/synth_minidump.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_processor_minidump_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_minidump_unittest_LDADD = \ + src/processor/basic_code_modules.o \ + src/processor/logging.o \ + src/processor/minidump.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_static_address_map_unittest_SOURCES = \ + src/processor/static_address_map_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_static_address_map_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_static_address_map_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_static_contained_range_map_unittest_SOURCES = \ + src/processor/static_contained_range_map_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_static_contained_range_map_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_static_contained_range_map_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_static_map_unittest_SOURCES = \ + src/processor/static_map_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_static_map_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_static_map_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_static_range_map_unittest_SOURCES = \ + src/processor/static_range_map_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +src_processor_static_range_map_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_static_range_map_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_pathname_stripper_unittest_SOURCES = \ + src/processor/pathname_stripper_unittest.cc +src_processor_pathname_stripper_unittest_LDADD = \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_postfix_evaluator_unittest_SOURCES = \ + src/processor/postfix_evaluator_unittest.cc +src_processor_postfix_evaluator_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_range_map_unittest_SOURCES = \ + src/processor/range_map_unittest.cc +src_processor_range_map_unittest_LDADD = \ + src/processor/logging.o \ + src/processor/pathname_stripper.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_stackwalker_selftest_SOURCES = \ + src/processor/stackwalker_selftest.cc +src_processor_stackwalker_selftest_LDADD = \ + src/processor/basic_code_modules.o \ + src/processor/basic_source_line_resolver.o \ + src/processor/call_stack.o \ + src/processor/disassembler_x86.o \ + src/processor/exploitability.o \ + src/processor/exploitability_win.o \ + src/processor/logging.o \ + src/processor/minidump.o \ + src/processor/pathname_stripper.o \ + src/processor/source_line_resolver_base.o \ + src/processor/stack_frame_symbolizer.o \ + src/processor/stackwalker.o \ + src/processor/stackwalker_amd64.o \ + src/processor/stackwalker_arm.o \ + src/processor/stackwalker_ppc.o \ + src/processor/stackwalker_ppc64.o \ + src/processor/stackwalker_sparc.o \ + src/processor/stackwalker_x86.o \ + src/processor/tokenize.o \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_processor_stackwalker_amd64_unittest_SOURCES = \ + src/common/test_assembler.cc \ + src/processor/stackwalker_amd64_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_processor_stackwalker_amd64_unittest_LDADD = \ + src/libbreakpad.a \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +src_processor_stackwalker_amd64_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing + +src_processor_stackwalker_arm_unittest_SOURCES = \ + src/common/test_assembler.cc \ + src/processor/stackwalker_arm_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_processor_stackwalker_arm_unittest_LDADD = \ + src/libbreakpad.a \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +src_processor_stackwalker_arm_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing + +src_processor_stackwalker_x86_unittest_SOURCES = \ + src/common/test_assembler.cc \ + src/processor/stackwalker_x86_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_processor_stackwalker_x86_unittest_LDADD = \ + src/libbreakpad.a \ + $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +src_processor_stackwalker_x86_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing + +src_processor_synth_minidump_unittest_SOURCES = \ + src/common/test_assembler.cc \ + src/common/test_assembler.h \ + src/processor/synth_minidump_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc \ + src/processor/synth_minidump.cc \ + src/processor/synth_minidump.h +src_processor_synth_minidump_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_processor_synth_minidump_unittest_LDADD = $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +src_common_test_assembler_unittest_SOURCES = \ + src/common/test_assembler.cc \ + src/common/test_assembler.h \ + src/common/test_assembler_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +src_common_test_assembler_unittest_CPPFLAGS = \ + -I$(top_srcdir)/src \ + -I$(top_srcdir)/src/testing/include \ + -I$(top_srcdir)/src/testing/gtest/include \ + -I$(top_srcdir)/src/testing/gtest \ + -I$(top_srcdir)/src/testing +src_common_test_assembler_unittest_LDADD = $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +## Non-installables +noinst_PROGRAMS = +noinst_SCRIPTS = $(check_SCRIPTS) + +src_processor_minidump_dump_SOURCES = \ + src/processor/minidump_dump.cc +src_processor_minidump_dump_LDADD = \ + src/processor/basic_code_modules.o \ + src/processor/logging.o \ + src/processor/minidump.o \ + src/processor/pathname_stripper.o + +src_processor_minidump_stackwalk_SOURCES = \ + src/processor/minidump_stackwalk.cc +src_processor_minidump_stackwalk_LDADD = \ + src/processor/basic_code_modules.o \ + src/processor/basic_source_line_resolver.o \ + src/processor/binarystream.o \ + src/processor/call_stack.o \ + src/processor/cfi_frame_info.o \ + src/processor/disassembler_x86.o \ + src/processor/exploitability.o \ + src/processor/exploitability_win.o \ + src/processor/logging.o \ + src/processor/minidump.o \ + src/processor/minidump_processor.o \ + src/processor/pathname_stripper.o \ + src/processor/process_state.o \ + src/processor/simple_symbol_supplier.o \ + src/processor/source_line_resolver_base.o \ + src/processor/stack_frame_symbolizer.o \ + src/processor/stackwalker.o \ + src/processor/stackwalker_amd64.o \ + src/processor/stackwalker_arm.o \ + src/processor/stackwalker_ppc.o \ + src/processor/stackwalker_ppc64.o \ + src/processor/stackwalker_sparc.o \ + src/processor/stackwalker_x86.o \ + src/processor/tokenize.o \ + src/third_party/libdisasm/libdisasm.a + +endif !DISABLE_PROCESSOR + +## Additional files to be included in a source distribution +## +## find src/client src/common src/processor/testdata src/tools \ +## -type f \! -path '*/.svn/*' -print | sort | \ +## sed -e s/'^\(.*\)$'/'\t\1 \\'/ +EXTRA_DIST = \ + $(SCRIPTS) \ + src/processor/stackwalk_selftest_sol.s \ + src/client/linux/handler/Makefile \ + src/client/linux/handler/exception_handler.cc \ + src/client/linux/handler/exception_handler.h \ + src/client/linux/handler/minidump_descriptor.cc \ + src/client/linux/handler/minidump_descriptor.h \ + src/client/linux/handler/exception_handler_test.cc \ + src/client/linux/handler/linux_thread.cc \ + src/client/linux/handler/linux_thread.h \ + src/client/linux/handler/linux_thread_test.cc \ + src/client/linux/handler/minidump_generator.cc \ + src/client/linux/handler/minidump_generator.h \ + src/client/linux/handler/minidump_test.cc \ + src/client/mac/handler/dynamic_images.cc \ + src/client/mac/handler/dynamic_images.h \ + src/client/mac/handler/exception_handler.cc \ + src/client/mac/handler/exception_handler.h \ + src/client/mac/handler/exception_handler_test.cc \ + src/client/mac/handler/minidump_generator.cc \ + src/client/mac/handler/minidump_generator.h \ + src/client/mac/handler/minidump_generator_test.cc \ + src/client/mac/handler/minidump_test.xcodeproj/project.pbxproj \ + src/client/mac/handler/protected_memory_allocator.cc \ + src/client/mac/handler/protected_memory_allocator.h \ + src/client/minidump_file_writer-inl.h \ + src/client/minidump_file_writer.cc \ + src/client/minidump_file_writer.h \ + src/client/minidump_file_writer_unittest.cc \ + src/client/solaris/handler/Makefile \ + src/client/solaris/handler/exception_handler.cc \ + src/client/solaris/handler/exception_handler.h \ + src/client/solaris/handler/exception_handler_test.cc \ + src/client/solaris/handler/minidump_generator.cc \ + src/client/solaris/handler/minidump_generator.h \ + src/client/solaris/handler/minidump_test.cc \ + src/client/solaris/handler/solaris_lwp.cc \ + src/client/solaris/handler/solaris_lwp.h \ + src/client/windows/breakpad_client.sln \ + src/client/windows/handler/exception_handler.cc \ + src/client/windows/handler/exception_handler.h \ + src/client/windows/handler/exception_handler.vcproj \ + src/client/windows/sender/crash_report_sender.cc \ + src/client/windows/sender/crash_report_sender.h \ + src/client/windows/sender/crash_report_sender.vcproj \ + src/common/convert_UTF.c \ + src/common/convert_UTF.h \ + src/common/linux/dump_symbols.cc \ + src/common/linux/dump_symbols.h \ + src/common/linux/elf_symbols_to_module.cc \ + src/common/linux/elf_symbols_to_module.h \ + src/common/linux/elfutils.cc \ + src/common/linux/elfutils.h \ + src/common/linux/file_id.cc \ + src/common/linux/file_id.h \ + src/common/linux/guid_creator.cc \ + src/common/linux/guid_creator.h \ + src/common/linux/http_upload.cc \ + src/common/linux/http_upload.h \ + src/common/mac/HTTPMultipartUpload.h \ + src/common/mac/HTTPMultipartUpload.m \ + src/common/mac/dump_syms.h \ + src/common/mac/dump_syms.mm \ + src/common/mac/file_id.cc \ + src/common/mac/file_id.h \ + src/common/mac/macho_id.cc \ + src/common/mac/macho_id.h \ + src/common/mac/macho_utilities.cc \ + src/common/mac/macho_utilities.h \ + src/common/mac/macho_walker.cc \ + src/common/mac/macho_walker.h \ + src/common/mac/string_utilities.cc \ + src/common/mac/string_utilities.h \ + src/common/md5.cc \ + src/common/md5.h \ + src/common/scoped_ptr.h \ + src/common/solaris/dump_symbols.cc \ + src/common/solaris/dump_symbols.h \ + src/common/solaris/file_id.cc \ + src/common/solaris/file_id.h \ + src/common/solaris/guid_creator.cc \ + src/common/solaris/guid_creator.h \ + src/common/solaris/message_output.h \ + src/common/string_conversion.cc \ + src/common/string_conversion.h \ + src/common/windows/guid_string.cc \ + src/common/windows/guid_string.h \ + src/common/windows/http_upload.cc \ + src/common/windows/http_upload.h \ + src/common/windows/pdb_source_line_writer.cc \ + src/common/windows/pdb_source_line_writer.h \ + src/common/windows/string_utils-inl.h \ + src/common/windows/string_utils.cc \ + src/processor/testdata/minidump2.dmp \ + src/processor/testdata/minidump2.dump.out \ + src/processor/testdata/minidump2.stackwalk.machine_readable.out \ + src/processor/testdata/minidump2.stackwalk.out \ + src/processor/testdata/module1.out \ + src/processor/testdata/module2.out \ + src/processor/testdata/module3_bad.out \ + src/processor/testdata/module4_bad.out \ + src/processor/testdata/symbols/kernel32.pdb/BCE8785C57B44245A669896B6A19B9542/kernel32.sym \ + src/processor/testdata/symbols/test_app.pdb/5A9832E5287241C1838ED98914E9B7FF1/test_app.sym \ + src/processor/testdata/test_app.cc \ + src/tools/linux/dump_syms/Makefile \ + src/tools/linux/dump_syms/dump_syms.cc \ + src/tools/linux/symupload/Makefile \ + src/tools/linux/symupload/minidump_upload.cc \ + src/tools/linux/symupload/sym_upload.cc \ + src/tools/mac/crash_report/crash_report.mm \ + src/tools/mac/crash_report/crash_report.xcodeproj/project.pbxproj \ + src/tools/mac/crash_report/on_demand_symbol_supplier.h \ + src/tools/mac/crash_report/on_demand_symbol_supplier.mm \ + src/tools/mac/dump_syms/dump_syms.xcodeproj/project.pbxproj \ + src/tools/mac/dump_syms/dump_syms_tool.m \ + src/tools/mac/symupload/minidump_upload.m \ + src/tools/mac/symupload/symupload.m \ + src/tools/mac/symupload/symupload.xcodeproj/project.pbxproj \ + src/tools/solaris/dump_syms/Makefile \ + src/tools/solaris/dump_syms/dump_syms.cc \ + src/tools/solaris/dump_syms/run_regtest.sh \ + src/tools/solaris/dump_syms/testdata/dump_syms_regtest.cc \ + src/tools/solaris/dump_syms/testdata/dump_syms_regtest.o \ + src/tools/solaris/dump_syms/testdata/dump_syms_regtest.stabs \ + src/tools/solaris/dump_syms/testdata/dump_syms_regtest.sym \ + src/tools/windows/converter/ms_symbol_server_converter.cc \ + src/tools/windows/converter/ms_symbol_server_converter.h \ + src/tools/windows/converter/ms_symbol_server_converter.vcproj \ + src/tools/windows/dump_syms/dump_syms.cc \ + src/tools/windows/dump_syms/dump_syms.vcproj \ + src/tools/windows/dump_syms/run_regtest.sh \ + src/tools/windows/dump_syms/testdata/dump_syms_regtest.cc \ + src/tools/windows/dump_syms/testdata/dump_syms_regtest.pdb \ + src/tools/windows/dump_syms/testdata/dump_syms_regtest.sym \ + src/tools/windows/symupload/symupload.cc \ + src/tools/windows/symupload/symupload.vcproj diff --git a/google-breakpad/Makefile.in b/google-breakpad/Makefile.in new file mode 100644 index 0000000..65a7962 --- /dev/null +++ b/google-breakpad/Makefile.in @@ -0,0 +1,6397 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Copyright (c) 2011, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. 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src/client/linux/crash_generation/crash_generation_server.cc \ + src/client/linux/handler/exception_handler.cc \ + src/client/linux/handler/minidump_descriptor.cc \ + src/client/linux/log/log.cc \ + src/client/linux/minidump_writer/linux_dumper.cc \ + src/client/linux/minidump_writer/linux_ptrace_dumper.cc \ + src/client/linux/minidump_writer/minidump_writer.cc \ + src/client/minidump_file_writer.cc src/common/convert_UTF.c \ + src/common/md5.cc src/common/string_conversion.cc \ + src/common/linux/elfutils.cc src/common/linux/file_id.cc \ + src/common/linux/guid_creator.cc \ + src/common/linux/linux_libc_support.cc \ + src/common/linux/memory_mapped_file.cc \ + src/common/linux/safe_readlink.cc \ + src/common/android/breakpad_getcontext.S +am__dirstamp = $(am__leading_dot)dirstamp +@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__objects_1 = src/common/android/breakpad_getcontext.$(OBJEXT) +@LINUX_HOST_TRUE@am_src_client_linux_libbreakpad_client_a_OBJECTS = src/client/linux/crash_generation/crash_generation_client.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/crash_generation/crash_generation_server.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/handler/exception_handler.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/handler/minidump_descriptor.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/log/log.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_dumper.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_ptrace_dumper.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/minidump_writer.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/minidump_file_writer.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/convert_UTF.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/md5.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/string_conversion.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/elfutils.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/file_id.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/guid_creator.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/linux_libc_support.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/memory_mapped_file.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/safe_readlink.$(OBJEXT) \ +@LINUX_HOST_TRUE@ $(am__objects_1) +src_client_linux_libbreakpad_client_a_OBJECTS = \ + $(am_src_client_linux_libbreakpad_client_a_OBJECTS) +src_libbreakpad_a_AR = $(AR) $(ARFLAGS) +@DISABLE_PROCESSOR_FALSE@src_libbreakpad_a_DEPENDENCIES = src/third_party/libdisasm/libdisasm.a +am__src_libbreakpad_a_SOURCES_DIST = \ + src/google_breakpad/common/breakpad_types.h \ + src/google_breakpad/common/minidump_format.h \ + src/google_breakpad/common/minidump_size.h \ + src/google_breakpad/processor/basic_source_line_resolver.h \ + src/google_breakpad/processor/call_stack.h \ + src/google_breakpad/processor/code_module.h \ + src/google_breakpad/processor/code_modules.h \ + src/google_breakpad/processor/exploitability.h \ + src/google_breakpad/processor/fast_source_line_resolver.h \ + src/google_breakpad/processor/memory_region.h \ + src/google_breakpad/processor/minidump.h \ + src/google_breakpad/processor/minidump_processor.h \ + src/google_breakpad/processor/process_state.h \ + src/google_breakpad/processor/source_line_resolver_base.h \ + src/google_breakpad/processor/source_line_resolver_interface.h \ + src/google_breakpad/processor/stack_frame.h \ + src/google_breakpad/processor/stack_frame_cpu.h \ + src/google_breakpad/processor/stack_frame_symbolizer.h \ + src/google_breakpad/processor/stackwalker.h \ + src/google_breakpad/processor/symbol_supplier.h \ + src/google_breakpad/processor/system_info.h \ + src/processor/address_map-inl.h src/processor/address_map.h \ + src/processor/basic_code_module.h \ + src/processor/basic_code_modules.cc \ + src/processor/basic_code_modules.h \ + src/processor/basic_source_line_resolver_types.h \ + src/processor/basic_source_line_resolver.cc \ + src/processor/binarystream.h src/processor/binarystream.cc \ + src/processor/call_stack.cc src/processor/cfi_frame_info.cc \ + src/processor/cfi_frame_info.h \ + src/processor/contained_range_map-inl.h \ + src/processor/contained_range_map.h \ + src/processor/disassembler_x86.h \ + src/processor/disassembler_x86.cc \ + src/processor/exploitability.cc \ + src/processor/exploitability_win.h \ + src/processor/exploitability_win.cc \ + src/processor/fast_source_line_resolver_types.h \ + src/processor/fast_source_line_resolver.cc \ + src/processor/linked_ptr.h src/processor/logging.h \ + src/processor/logging.cc src/processor/map_serializers-inl.h \ + src/processor/map_serializers.h src/processor/minidump.cc \ + src/processor/minidump_processor.cc \ + src/processor/module_comparer.cc \ + src/processor/module_comparer.h src/processor/module_factory.h \ + src/processor/module_serializer.cc \ + src/processor/module_serializer.h \ + src/processor/pathname_stripper.cc \ + src/processor/pathname_stripper.h \ + src/processor/postfix_evaluator-inl.h \ + src/processor/postfix_evaluator.h \ + src/processor/process_state.cc src/processor/range_map-inl.h \ + src/processor/range_map.h \ + src/processor/simple_serializer-inl.h \ + src/processor/simple_serializer.h \ + src/processor/simple_symbol_supplier.cc \ + src/processor/simple_symbol_supplier.h \ + src/processor/windows_frame_info.h \ + src/processor/source_line_resolver_base_types.h \ + src/processor/source_line_resolver_base.cc \ + src/processor/stack_frame_symbolizer.cc \ + src/processor/stackwalker.cc \ + src/processor/stackwalker_amd64.cc \ + src/processor/stackwalker_amd64.h \ + src/processor/stackwalker_arm.cc \ + src/processor/stackwalker_arm.h \ + src/processor/stackwalker_ppc.cc \ + src/processor/stackwalker_ppc.h \ + src/processor/stackwalker_ppc64.cc \ + src/processor/stackwalker_ppc64.h \ + src/processor/stackwalker_sparc.cc \ + src/processor/stackwalker_sparc.h \ + src/processor/stackwalker_x86.cc \ + src/processor/stackwalker_x86.h \ + src/processor/static_address_map-inl.h \ + src/processor/static_address_map.h \ + src/processor/static_contained_range_map-inl.h \ + src/processor/static_contained_range_map.h \ + src/processor/static_map_iterator-inl.h \ + src/processor/static_map_iterator.h \ + src/processor/static_map-inl.h src/processor/static_map.h \ + src/processor/static_range_map-inl.h \ + src/processor/static_range_map.h src/processor/tokenize.cc \ + src/processor/tokenize.h +@DISABLE_PROCESSOR_FALSE@am_src_libbreakpad_a_OBJECTS = src/processor/basic_code_modules.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_source_line_resolver.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/binarystream.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/call_stack.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/cfi_frame_info.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/disassembler_x86.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability_win.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/fast_source_line_resolver.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_processor.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/module_comparer.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/module_serializer.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/process_state.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/simple_symbol_supplier.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/source_line_resolver_base.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stack_frame_symbolizer.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.$(OBJEXT) +src_libbreakpad_a_OBJECTS = $(am_src_libbreakpad_a_OBJECTS) +src_third_party_libdisasm_libdisasm_a_AR = $(AR) $(ARFLAGS) +src_third_party_libdisasm_libdisasm_a_LIBADD = +am__src_third_party_libdisasm_libdisasm_a_SOURCES_DIST = \ + src/third_party/libdisasm/ia32_implicit.c \ + src/third_party/libdisasm/ia32_implicit.h \ + src/third_party/libdisasm/ia32_insn.c \ + src/third_party/libdisasm/ia32_insn.h \ + src/third_party/libdisasm/ia32_invariant.c \ + src/third_party/libdisasm/ia32_invariant.h \ + src/third_party/libdisasm/ia32_modrm.c \ + src/third_party/libdisasm/ia32_modrm.h \ + src/third_party/libdisasm/ia32_opcode_tables.c \ + src/third_party/libdisasm/ia32_opcode_tables.h \ + src/third_party/libdisasm/ia32_operand.c \ + src/third_party/libdisasm/ia32_operand.h \ + src/third_party/libdisasm/ia32_reg.c \ + src/third_party/libdisasm/ia32_reg.h \ + src/third_party/libdisasm/ia32_settings.c \ + src/third_party/libdisasm/ia32_settings.h \ + src/third_party/libdisasm/libdis.h \ + src/third_party/libdisasm/qword.h \ + src/third_party/libdisasm/x86_disasm.c \ + src/third_party/libdisasm/x86_format.c \ + src/third_party/libdisasm/x86_imm.c \ + src/third_party/libdisasm/x86_imm.h \ + src/third_party/libdisasm/x86_insn.c \ + src/third_party/libdisasm/x86_misc.c \ + src/third_party/libdisasm/x86_operand_list.c \ + src/third_party/libdisasm/x86_operand_list.h +@DISABLE_PROCESSOR_FALSE@am_src_third_party_libdisasm_libdisasm_a_OBJECTS = src/third_party/libdisasm/ia32_implicit.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_insn.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_invariant.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_modrm.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_opcode_tables.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_operand.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_reg.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_settings.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_disasm.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_format.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_imm.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_insn.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_misc.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_operand_list.$(OBJEXT) +src_third_party_libdisasm_libdisasm_a_OBJECTS = \ + $(am_src_third_party_libdisasm_libdisasm_a_OBJECTS) +@DISABLE_PROCESSOR_FALSE@am__EXEEXT_1 = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_dump$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_stackwalk$(EXEEXT) +@LINUX_HOST_TRUE@am__EXEEXT_2 = src/client/linux/linux_dumper_unittest_helper$(EXEEXT) +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@am__EXEEXT_3 = src/tools/linux/core2md/core2md$(EXEEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/dump_syms/dump_syms$(EXEEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/md2core/minidump-2-core$(EXEEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/symupload/minidump_upload$(EXEEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/symupload/sym_upload$(EXEEXT) +@DISABLE_PROCESSOR_FALSE@am__EXEEXT_4 = src/common/test_assembler_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/address_map_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/binarystream_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_source_line_resolver_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/cfi_frame_info_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/contained_range_map_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/disassembler_x86_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/fast_source_line_resolver_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/map_serializers_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_processor_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_address_map_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_contained_range_map_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_map_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_range_map_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/postfix_evaluator_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/range_map_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86_unittest$(EXEEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/synth_minidump_unittest$(EXEEXT) +@LINUX_HOST_TRUE@am__EXEEXT_5 = src/client/linux/linux_client_unittest$(EXEEXT) +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@am__EXEEXT_6 = src/common/dumper_unittest$(EXEEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/md2core/minidump_2_core_unittest$(EXEEXT) +@DISABLE_PROCESSOR_FALSE@@SELFTEST_TRUE@am__EXEEXT_7 = src/processor/stackwalker_selftest$(EXEEXT) +PROGRAMS = $(bin_PROGRAMS) $(noinst_PROGRAMS) +am_src_client_linux_linux_client_unittest_OBJECTS = +src_client_linux_linux_client_unittest_OBJECTS = \ + $(am_src_client_linux_linux_client_unittest_OBJECTS) +src_client_linux_linux_client_unittest_LINK = $(CCLD) $(AM_CFLAGS) \ + $(CFLAGS) $(src_client_linux_linux_client_unittest_LDFLAGS) \ + $(LDFLAGS) -o $@ +am__src_client_linux_linux_client_unittest_shlib_SOURCES_DIST = \ + src/client/linux/handler/exception_handler_unittest.cc \ + src/client/linux/minidump_writer/directory_reader_unittest.cc \ + src/client/linux/minidump_writer/cpu_set_unittest.cc \ + src/client/linux/minidump_writer/line_reader_unittest.cc \ + src/client/linux/minidump_writer/linux_core_dumper.cc \ + src/client/linux/minidump_writer/linux_core_dumper_unittest.cc \ + src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc \ + src/client/linux/minidump_writer/minidump_writer_unittest.cc \ + src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc \ + src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc \ + src/common/linux/elf_core_dump.cc \ + src/common/linux/linux_libc_support_unittest.cc \ + src/common/linux/tests/crash_generator.cc \ + src/common/memory_unittest.cc src/common/tests/file_utils.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc \ + src/processor/basic_code_modules.cc src/processor/logging.cc \ + src/processor/minidump.cc src/processor/pathname_stripper.cc \ + src/common/android/breakpad_getcontext.S \ + src/common/android/breakpad_getcontext_unittest.cc +@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__objects_2 = src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext.$(OBJEXT) \ +@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.$(OBJEXT) +@LINUX_HOST_TRUE@am_src_client_linux_linux_client_unittest_shlib_OBJECTS = src/client/linux/handler/src_client_linux_linux_client_unittest_shlib-exception_handler_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-directory_reader_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-cpu_set_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-line_reader_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-linux_core_dumper.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-linux_core_dumper_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-linux_ptrace_dumper_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-minidump_writer_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-minidump_writer_unittest_utils.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-proc_cpuinfo_reader_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/src_client_linux_linux_client_unittest_shlib-elf_core_dump.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/src_client_linux_linux_client_unittest_shlib-linux_libc_support_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/linux/tests/src_client_linux_linux_client_unittest_shlib-crash_generator.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/src_client_linux_linux_client_unittest_shlib-memory_unittest.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/common/tests/src_client_linux_linux_client_unittest_shlib-file_utils.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/testing/gtest/src/src_client_linux_linux_client_unittest_shlib-gtest-all.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/testing/gtest/src/src_client_linux_linux_client_unittest_shlib-gtest_main.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/testing/src/src_client_linux_linux_client_unittest_shlib-gmock-all.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/processor/src_client_linux_linux_client_unittest_shlib-basic_code_modules.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/processor/src_client_linux_linux_client_unittest_shlib-logging.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/processor/src_client_linux_linux_client_unittest_shlib-minidump.$(OBJEXT) \ +@LINUX_HOST_TRUE@ src/processor/src_client_linux_linux_client_unittest_shlib-pathname_stripper.$(OBJEXT) \ +@LINUX_HOST_TRUE@ $(am__objects_2) +src_client_linux_linux_client_unittest_shlib_OBJECTS = \ + $(am_src_client_linux_linux_client_unittest_shlib_OBJECTS) +am__DEPENDENCIES_1 = +src_client_linux_linux_client_unittest_shlib_LINK = $(CXXLD) \ + $(AM_CXXFLAGS) $(CXXFLAGS) \ + 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src/common/linux/elf_symbols_to_module.cc \ + src/common/linux/elf_symbols_to_module_unittest.cc \ + src/common/linux/elfutils.cc src/common/linux/file_id.cc \ + src/common/linux/file_id_unittest.cc \ + src/common/linux/linux_libc_support.cc \ + src/common/linux/memory_mapped_file.cc \ + src/common/linux/memory_mapped_file_unittest.cc \ + src/common/linux/safe_readlink.cc \ + src/common/linux/safe_readlink_unittest.cc \ + src/common/linux/synth_elf.cc \ + src/common/linux/synth_elf_unittest.cc \ + src/common/linux/tests/crash_generator.cc \ + src/common/tests/file_utils.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@am_src_common_dumper_unittest_OBJECTS = src/common/src_common_dumper_unittest-byte_cursor_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/src_common_dumper_unittest-dwarf_cfi_to_module.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ 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src/common/dwarf/src_common_dumper_unittest-dwarf2diehandler_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/src_common_dumper_unittest-dwarf2reader.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/src_common_dumper_unittest-dwarf2reader_cfi_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/src_common_dumper_unittest-dwarf2reader_die_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-dump_symbols.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-dump_symbols_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-elf_core_dump.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-elf_core_dump_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-elf_symbols_to_module.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-elf_symbols_to_module_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-elfutils.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-file_id.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-file_id_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-linux_libc_support.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-memory_mapped_file.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-safe_readlink.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-safe_readlink_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-synth_elf.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/src_common_dumper_unittest-synth_elf_unittest.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/tests/src_common_dumper_unittest-crash_generator.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/tests/src_common_dumper_unittest-file_utils.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/testing/gtest/src/src_common_dumper_unittest-gtest-all.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/testing/gtest/src/src_common_dumper_unittest-gtest_main.$(OBJEXT) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/testing/src/src_common_dumper_unittest-gmock-all.$(OBJEXT) +src_common_dumper_unittest_OBJECTS = \ + $(am_src_common_dumper_unittest_OBJECTS) +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_common_dumper_unittest_DEPENDENCIES = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ $(am__DEPENDENCIES_1) \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ $(am__DEPENDENCIES_1) +am__src_common_test_assembler_unittest_SOURCES_DIST = \ + src/common/test_assembler.cc src/common/test_assembler.h \ + src/common/test_assembler_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +@DISABLE_PROCESSOR_FALSE@am_src_common_test_assembler_unittest_OBJECTS = src/common/src_common_test_assembler_unittest-test_assembler.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/common/src_common_test_assembler_unittest-test_assembler_unittest.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_common_test_assembler_unittest-gtest-all.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_common_test_assembler_unittest-gtest_main.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ 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$(am__DEPENDENCIES_1) \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) +am__src_processor_cfi_frame_info_unittest_SOURCES_DIST = \ + src/processor/cfi_frame_info_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +@DISABLE_PROCESSOR_FALSE@am_src_processor_cfi_frame_info_unittest_OBJECTS = src/processor/src_processor_cfi_frame_info_unittest-cfi_frame_info_unittest.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_cfi_frame_info_unittest-gtest-all.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_cfi_frame_info_unittest-gtest_main.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/src/src_processor_cfi_frame_info_unittest-gmock-all.$(OBJEXT) +src_processor_cfi_frame_info_unittest_OBJECTS = \ + $(am_src_processor_cfi_frame_info_unittest_OBJECTS) +@DISABLE_PROCESSOR_FALSE@src_processor_cfi_frame_info_unittest_DEPENDENCIES = \ +@DISABLE_PROCESSOR_FALSE@ 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+ src/testing/src/gmock-all.cc +@DISABLE_PROCESSOR_FALSE@am_src_processor_disassembler_x86_unittest_OBJECTS = src/processor/src_processor_disassembler_x86_unittest-disassembler_x86_unittest.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_disassembler_x86_unittest-gtest-all.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_disassembler_x86_unittest-gtest_main.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/src/src_processor_disassembler_x86_unittest-gmock-all.$(OBJEXT) +src_processor_disassembler_x86_unittest_OBJECTS = \ + $(am_src_processor_disassembler_x86_unittest_OBJECTS) +@DISABLE_PROCESSOR_FALSE@src_processor_disassembler_x86_unittest_DEPENDENCIES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/disassembler_x86.o \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/libdisasm.a \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) +am__src_processor_exploitability_unittest_SOURCES_DIST = \ + src/processor/exploitability_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +@DISABLE_PROCESSOR_FALSE@am_src_processor_exploitability_unittest_OBJECTS = src/processor/src_processor_exploitability_unittest-exploitability_unittest.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_exploitability_unittest-gtest-all.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_exploitability_unittest-gtest_main.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/src/src_processor_exploitability_unittest-gmock-all.$(OBJEXT) +src_processor_exploitability_unittest_OBJECTS = \ + $(am_src_processor_exploitability_unittest_OBJECTS) +@DISABLE_PROCESSOR_FALSE@src_processor_exploitability_unittest_DEPENDENCIES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_processor.o \ +@DISABLE_PROCESSOR_FALSE@ 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src/processor/minidump_stackwalk.$(OBJEXT) +src_processor_minidump_stackwalk_OBJECTS = \ + $(am_src_processor_minidump_stackwalk_OBJECTS) +@DISABLE_PROCESSOR_FALSE@src_processor_minidump_stackwalk_DEPENDENCIES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_code_modules.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_source_line_resolver.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/binarystream.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/call_stack.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/cfi_frame_info.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/disassembler_x86.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability_win.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_processor.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/process_state.o 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src/processor/postfix_evaluator_unittest.$(OBJEXT) +src_processor_postfix_evaluator_unittest_OBJECTS = \ + $(am_src_processor_postfix_evaluator_unittest_OBJECTS) +@DISABLE_PROCESSOR_FALSE@src_processor_postfix_evaluator_unittest_DEPENDENCIES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.o \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) +am__src_processor_range_map_unittest_SOURCES_DIST = \ + src/processor/range_map_unittest.cc +@DISABLE_PROCESSOR_FALSE@am_src_processor_range_map_unittest_OBJECTS = src/processor/range_map_unittest.$(OBJEXT) +src_processor_range_map_unittest_OBJECTS = \ + $(am_src_processor_range_map_unittest_OBJECTS) +@DISABLE_PROCESSOR_FALSE@src_processor_range_map_unittest_DEPENDENCIES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.o \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) +am__src_processor_stackwalker_amd64_unittest_SOURCES_DIST = \ + src/common/test_assembler.cc \ + src/processor/stackwalker_amd64_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/gtest/src/gtest_main.cc \ + src/testing/src/gmock-all.cc +@DISABLE_PROCESSOR_FALSE@am_src_processor_stackwalker_amd64_unittest_OBJECTS = src/common/src_processor_stackwalker_amd64_unittest-test_assembler.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/processor/src_processor_stackwalker_amd64_unittest-stackwalker_amd64_unittest.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_stackwalker_amd64_unittest-gtest-all.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_stackwalker_amd64_unittest-gtest_main.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/src/src_processor_stackwalker_amd64_unittest-gmock-all.$(OBJEXT) +src_processor_stackwalker_amd64_unittest_OBJECTS = \ + 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src/testing/src/src_processor_stackwalker_x86_unittest-gmock-all.$(OBJEXT) +src_processor_stackwalker_x86_unittest_OBJECTS = \ + $(am_src_processor_stackwalker_x86_unittest_OBJECTS) +@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_x86_unittest_DEPENDENCIES = \ +@DISABLE_PROCESSOR_FALSE@ src/libbreakpad.a \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) \ +@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) +am__src_processor_static_address_map_unittest_SOURCES_DIST = \ + src/processor/static_address_map_unittest.cc \ + src/testing/gtest/src/gtest-all.cc \ + src/testing/src/gmock-all.cc +@DISABLE_PROCESSOR_FALSE@am_src_processor_static_address_map_unittest_OBJECTS = src/processor/src_processor_static_address_map_unittest-static_address_map_unittest.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/src_processor_static_address_map_unittest-gtest-all.$(OBJEXT) \ +@DISABLE_PROCESSOR_FALSE@ src/testing/src/src_processor_static_address_map_unittest-gmock-all.$(OBJEXT) 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src/google_breakpad/processor/source_line_resolver_base.h \ +@DISABLE_PROCESSOR_FALSE@ src/google_breakpad/processor/source_line_resolver_interface.h \ +@DISABLE_PROCESSOR_FALSE@ src/google_breakpad/processor/stack_frame.h \ +@DISABLE_PROCESSOR_FALSE@ src/google_breakpad/processor/stack_frame_cpu.h \ +@DISABLE_PROCESSOR_FALSE@ src/google_breakpad/processor/stack_frame_symbolizer.h \ +@DISABLE_PROCESSOR_FALSE@ src/google_breakpad/processor/stackwalker.h \ +@DISABLE_PROCESSOR_FALSE@ src/google_breakpad/processor/symbol_supplier.h \ +@DISABLE_PROCESSOR_FALSE@ src/google_breakpad/processor/system_info.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/address_map-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/address_map.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_code_module.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_code_modules.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_code_modules.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_source_line_resolver_types.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_source_line_resolver.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/binarystream.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/binarystream.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/call_stack.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/cfi_frame_info.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/cfi_frame_info.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/contained_range_map-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/contained_range_map.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/disassembler_x86.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/disassembler_x86.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability_win.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability_win.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/fast_source_line_resolver_types.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/fast_source_line_resolver.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/linked_ptr.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/map_serializers-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/map_serializers.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_processor.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/module_comparer.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/module_comparer.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/module_factory.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/module_serializer.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/module_serializer.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/postfix_evaluator-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/postfix_evaluator.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/process_state.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/range_map-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/range_map.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/simple_serializer-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/simple_serializer.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/simple_symbol_supplier.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/simple_symbol_supplier.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/windows_frame_info.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/source_line_resolver_base_types.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/source_line_resolver_base.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stack_frame_symbolizer.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_address_map-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_address_map.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_contained_range_map-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_contained_range_map.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_map_iterator-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_map_iterator.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_map-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_map.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_range_map-inl.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/static_range_map.h \ +@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.h + +@DISABLE_PROCESSOR_FALSE@src_libbreakpad_a_LIBADD = src/third_party/libdisasm/libdisasm.a +@DISABLE_PROCESSOR_FALSE@src_third_party_libdisasm_libdisasm_a_SOURCES = \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_implicit.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_implicit.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_insn.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_insn.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_invariant.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_invariant.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_modrm.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_modrm.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_opcode_tables.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_opcode_tables.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_operand.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_operand.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_reg.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_reg.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_settings.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/ia32_settings.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/libdis.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/qword.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_disasm.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_format.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_imm.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_imm.h \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_insn.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_misc.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_operand_list.c \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/x86_operand_list.h + +@DISABLE_PROCESSOR_FALSE@check_SCRIPTS = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_dump_test \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_stackwalk_test \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_stackwalk_machine_readable_test + +TESTS = $(check_PROGRAMS) $(check_SCRIPTS) +@ANDROID_HOST_FALSE@TESTS_ENVIRONMENT = + +# Wrapper script to run unit test programs on a connected Android device. +@ANDROID_HOST_TRUE@TESTS_ENVIRONMENT = $(top_srcdir)/android/test-shell.sh +@LINUX_HOST_TRUE@src_client_linux_linux_dumper_unittest_helper_SOURCES = \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc + +@LINUX_HOST_TRUE@src_client_linux_linux_dumper_unittest_helper_CXXFLAGS = $(PTHREAD_CFLAGS) +@LINUX_HOST_TRUE@src_client_linux_linux_dumper_unittest_helper_LDFLAGS = $(PTHREAD_CFLAGS) +@LINUX_HOST_TRUE@src_client_linux_linux_dumper_unittest_helper_CC = $(PTHREAD_CC) +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_SOURCES = src/client/linux/handler/exception_handler_unittest.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/directory_reader_unittest.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/cpu_set_unittest.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/line_reader_unittest.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_core_dumper.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_core_dumper_unittest.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/minidump_writer_unittest.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc \ +@LINUX_HOST_TRUE@ src/common/linux/elf_core_dump.cc \ +@LINUX_HOST_TRUE@ src/common/linux/linux_libc_support_unittest.cc \ +@LINUX_HOST_TRUE@ src/common/linux/tests/crash_generator.cc \ +@LINUX_HOST_TRUE@ src/common/memory_unittest.cc \ +@LINUX_HOST_TRUE@ src/common/tests/file_utils.cc \ +@LINUX_HOST_TRUE@ src/testing/gtest/src/gtest-all.cc \ +@LINUX_HOST_TRUE@ src/testing/gtest/src/gtest_main.cc \ +@LINUX_HOST_TRUE@ src/testing/src/gmock-all.cc \ +@LINUX_HOST_TRUE@ src/processor/basic_code_modules.cc \ +@LINUX_HOST_TRUE@ src/processor/logging.cc \ +@LINUX_HOST_TRUE@ src/processor/minidump.cc \ +@LINUX_HOST_TRUE@ src/processor/pathname_stripper.cc \ +@LINUX_HOST_TRUE@ $(am__append_16) +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_CPPFLAGS = \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/include \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/gtest/include \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/gtest \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing + +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_LDFLAGS = \ +@LINUX_HOST_TRUE@ -shared -Wl,-h,linux_client_unittest_shlib \ +@LINUX_HOST_TRUE@ $(am__append_17) +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_LDADD = \ +@LINUX_HOST_TRUE@ src/client/linux/handler/exception_handler.o \ +@LINUX_HOST_TRUE@ src/client/linux/handler/minidump_descriptor.o \ +@LINUX_HOST_TRUE@ src/client/linux/log/log.o \ +@LINUX_HOST_TRUE@ src/client/linux/crash_generation/crash_generation_client.o \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_dumper.o \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_ptrace_dumper.o \ +@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/minidump_writer.o \ +@LINUX_HOST_TRUE@ src/client/minidump_file_writer.o \ +@LINUX_HOST_TRUE@ src/common/convert_UTF.o \ +@LINUX_HOST_TRUE@ src/common/md5.o \ +@LINUX_HOST_TRUE@ src/common/linux/elfutils.o \ +@LINUX_HOST_TRUE@ src/common/linux/file_id.o \ +@LINUX_HOST_TRUE@ src/common/linux/guid_creator.o \ +@LINUX_HOST_TRUE@ src/common/linux/linux_libc_support.o \ +@LINUX_HOST_TRUE@ src/common/linux/memory_mapped_file.o \ +@LINUX_HOST_TRUE@ src/common/linux/safe_readlink.o \ +@LINUX_HOST_TRUE@ src/common/string_conversion.o \ +@LINUX_HOST_TRUE@ $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_DEPENDENCIES = \ +@LINUX_HOST_TRUE@ src/client/linux/linux_dumper_unittest_helper \ +@LINUX_HOST_TRUE@ src/client/linux/libbreakpad_client.a \ +@LINUX_HOST_TRUE@ src/libbreakpad.a + +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_SOURCES = +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_LDFLAGS = \ +@LINUX_HOST_TRUE@ -Wl,-rpath,'$$ORIGIN' $(am__append_18) +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_LDADD = \ +@LINUX_HOST_TRUE@ src/client/linux/linux_client_unittest_shlib + +@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_DEPENDENCIES = \ +@LINUX_HOST_TRUE@ src/client/linux/linux_client_unittest_shlib + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_core2md_core2md_SOURCES = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/core2md/core2md.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/linux_core_dumper.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elf_core_dump.cc + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_core2md_core2md_LDADD = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/client/linux/libbreakpad_client.a + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_dump_syms_dump_syms_SOURCES = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_cfi_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_cu_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_line_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/language.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/stabs_reader.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/stabs_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/bytereader.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/dwarf2diehandler.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/dwarf2reader.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/dump_symbols.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elf_symbols_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elfutils.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/file_id.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/linux_libc_support.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/memory_mapped_file.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/safe_readlink.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/dump_syms/dump_syms.cc + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_md2core_minidump_2_core_SOURCES = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/memory_mapped_file.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/md2core/minidump-2-core.cc + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_symupload_minidump_upload_SOURCES = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/http_upload.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/symupload/minidump_upload.cc + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_symupload_minidump_upload_LDADD = -ldl +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_symupload_sym_upload_SOURCES = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/http_upload.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/tools/linux/symupload/sym_upload.cc + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_tools_linux_symupload_sym_upload_LDADD = -ldl +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_common_dumper_unittest_SOURCES = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/byte_cursor_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_cfi_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_cfi_to_module_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_cu_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_cu_to_module_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_line_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf_line_to_module_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/language.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/memory_range_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/module_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/stabs_reader.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/stabs_reader_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/stabs_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/stabs_to_module_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/test_assembler.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/bytereader.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/bytereader_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/cfi_assembler.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/dwarf2diehandler.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/dwarf2diehandler_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/dwarf2reader.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/dwarf2reader_cfi_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/dwarf/dwarf2reader_die_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/dump_symbols.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/dump_symbols_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elf_core_dump.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elf_core_dump_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elf_symbols_to_module.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elf_symbols_to_module_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/elfutils.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/file_id.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/file_id_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/linux_libc_support.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/memory_mapped_file.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/memory_mapped_file_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/safe_readlink.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/safe_readlink_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/synth_elf.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/synth_elf_unittest.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/linux/tests/crash_generator.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/common/tests/file_utils.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/testing/gtest/src/gtest-all.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/testing/gtest/src/gtest_main.cc \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ src/testing/src/gmock-all.cc + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_common_dumper_unittest_CPPFLAGS = \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ -I$(top_srcdir)/src \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/include \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/gtest/include \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/gtest \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing \ +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@ $(PTHREAD_CFLAGS) + +@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@src_common_dumper_unittest_LDADD = $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +@LINUX_HOST_TRUE@src_tools_linux_md2core_minidump_2_core_unittest_SOURCES = \ +@LINUX_HOST_TRUE@ src/testing/gtest/src/gtest-all.cc \ +@LINUX_HOST_TRUE@ src/testing/gtest/src/gtest_main.cc \ +@LINUX_HOST_TRUE@ src/testing/src/gmock-all.cc \ +@LINUX_HOST_TRUE@ src/tools/linux/md2core/minidump_memory_range_unittest.cc + +@LINUX_HOST_TRUE@src_tools_linux_md2core_minidump_2_core_unittest_CPPFLAGS = \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/include \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/gtest/include \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/gtest \ +@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing + +@LINUX_HOST_TRUE@src_tools_linux_md2core_minidump_2_core_unittest_LDADD = \ +@LINUX_HOST_TRUE@ $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +@DISABLE_PROCESSOR_FALSE@src_processor_address_map_unittest_SOURCES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/address_map_unittest.cc + +@DISABLE_PROCESSOR_FALSE@src_processor_address_map_unittest_LDADD = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.o + +@DISABLE_PROCESSOR_FALSE@src_processor_binarystream_unittest_SOURCES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/binarystream_unittest.cc \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/gtest-all.cc \ +@DISABLE_PROCESSOR_FALSE@ src/testing/src/gmock-all.cc + +@DISABLE_PROCESSOR_FALSE@src_processor_binarystream_unittest_CPPFLAGS = \ +@DISABLE_PROCESSOR_FALSE@ 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+@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_amd64_unittest_LDADD = \ +@DISABLE_PROCESSOR_FALSE@ src/libbreakpad.a \ +@DISABLE_PROCESSOR_FALSE@ $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) + +@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_amd64_unittest_CPPFLAGS = \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing/include \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing/gtest/include \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing/gtest \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing + +@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_arm_unittest_SOURCES = \ +@DISABLE_PROCESSOR_FALSE@ src/common/test_assembler.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm_unittest.cc \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/gtest-all.cc \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/gtest_main.cc \ +@DISABLE_PROCESSOR_FALSE@ src/testing/src/gmock-all.cc + 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src/testing/src/gmock-all.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/synth_minidump.cc \ +@DISABLE_PROCESSOR_FALSE@ src/processor/synth_minidump.h + +@DISABLE_PROCESSOR_FALSE@src_processor_synth_minidump_unittest_CPPFLAGS = \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing/include \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing/gtest/include \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing/gtest \ +@DISABLE_PROCESSOR_FALSE@ -I$(top_srcdir)/src/testing + +@DISABLE_PROCESSOR_FALSE@src_processor_synth_minidump_unittest_LDADD = $(PTHREAD_CFLAGS) $(PTHREAD_LIBS) +@DISABLE_PROCESSOR_FALSE@src_common_test_assembler_unittest_SOURCES = \ +@DISABLE_PROCESSOR_FALSE@ src/common/test_assembler.cc \ +@DISABLE_PROCESSOR_FALSE@ src/common/test_assembler.h \ +@DISABLE_PROCESSOR_FALSE@ src/common/test_assembler_unittest.cc \ +@DISABLE_PROCESSOR_FALSE@ src/testing/gtest/src/gtest-all.cc \ +@DISABLE_PROCESSOR_FALSE@ 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+@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.o + +@DISABLE_PROCESSOR_FALSE@src_processor_minidump_stackwalk_SOURCES = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_stackwalk.cc + +@DISABLE_PROCESSOR_FALSE@src_processor_minidump_stackwalk_LDADD = \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_code_modules.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/basic_source_line_resolver.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/binarystream.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/call_stack.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/cfi_frame_info.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/disassembler_x86.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/exploitability_win.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/logging.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/minidump_processor.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/pathname_stripper.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/process_state.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/simple_symbol_supplier.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/source_line_resolver_base.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stack_frame_symbolizer.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \ +@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \ +@DISABLE_PROCESSOR_FALSE@ src/third_party/libdisasm/libdisasm.a + +EXTRA_DIST = \ + $(SCRIPTS) \ + src/processor/stackwalk_selftest_sol.s \ + src/client/linux/handler/Makefile \ + src/client/linux/handler/exception_handler.cc \ + 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src/client/windows/sender/crash_report_sender.vcproj \ + src/common/convert_UTF.c \ + src/common/convert_UTF.h \ + src/common/linux/dump_symbols.cc \ + src/common/linux/dump_symbols.h \ + src/common/linux/elf_symbols_to_module.cc \ + src/common/linux/elf_symbols_to_module.h \ + src/common/linux/elfutils.cc \ + src/common/linux/elfutils.h \ + src/common/linux/file_id.cc \ + src/common/linux/file_id.h \ + src/common/linux/guid_creator.cc \ + src/common/linux/guid_creator.h \ + src/common/linux/http_upload.cc \ + src/common/linux/http_upload.h \ + src/common/mac/HTTPMultipartUpload.h \ + src/common/mac/HTTPMultipartUpload.m \ + src/common/mac/dump_syms.h \ + src/common/mac/dump_syms.mm \ + src/common/mac/file_id.cc \ + src/common/mac/file_id.h \ + src/common/mac/macho_id.cc \ + src/common/mac/macho_id.h \ + src/common/mac/macho_utilities.cc \ + src/common/mac/macho_utilities.h \ + src/common/mac/macho_walker.cc \ + src/common/mac/macho_walker.h \ + src/common/mac/string_utilities.cc \ + 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b/google-breakpad/README @@ -0,0 +1,43 @@ +Breakpad is a set of client and server components which implement a +crash-reporting system. + + +----- +Getting started in 32-bit mode (from trunk) +Configure: CXXFLAGS=-m32 CFLAGS=-m32 CPPFLAGS=-m32 ./configure + Build: make + Test: make check + Install: make install + +If you need to reconfigure your build be sure to run "make distclean" first. + + +----- +To request change review: +0. Get access to a read-write copy of source. + Owners at http://code.google.com/p/google-breakpad/ are able to grant + this access. + +1. Check out a read-write copy of source using instructions at + http://code.google.com/p/google-breakpad/source/checkout + +2. Make changes. Build and test your changes. + For core code like processor use methods above. + For linux/mac/windows, there are test targets in each project file. + +3. Download http://codereview.appspot.com/static/upload.py + +4. Run upload.py from the 'src' directory: + upload.py --server=breakpad.appspot.com + + You will be prompted for credential and a description. + +5. At http://breakpad.appspot.com you'll find your issue listed; click on it, + and select Publish+Mail, and enter in the code reviewer and CC + google-breakpad-dev@googlegroups.com + +6. When applying code review feedback, specify the '-i' option when running + upload.py again and pass the issue number so it updates the existing issue, + rather than creating a new one. + Be sure to rerun upload.py from the same directory as you did for previous + uploads to allow for proper diff calculations. diff --git a/google-breakpad/aclocal.m4 b/google-breakpad/aclocal.m4 new file mode 100644 index 0000000..62c681e --- /dev/null +++ b/google-breakpad/aclocal.m4 @@ -0,0 +1,1037 @@ +# generated automatically by aclocal 1.11.1 -*- Autoconf -*- + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, +# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.65],, +[m4_warning([this file was generated for autoconf 2.65. +You have another version of autoconf. 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See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + + +# Originally written by Per Bothner. Please send patches (context +# diff format) to and include a ChangeLog +# entry. +# +# This script attempts to guess a canonical system name similar to +# config.sub. If it succeeds, it prints the system name on stdout, and +# exits with 0. Otherwise, it exits with 1. +# +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, +2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 +Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +trap 'exit 1' 1 2 15 + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. 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For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + sysctl="sysctl -n hw.machine_arch" + UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \ + /usr/sbin/$sysctl 2>/dev/null || echo unknown)` + case "${UNAME_MACHINE_ARCH}" in + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + *) machine=${UNAME_MACHINE_ARCH}-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently, or will in the future. + case "${UNAME_MACHINE_ARCH}" in + arm*|i386|m68k|ns32k|sh3*|sparc|vax) + eval $set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case "${UNAME_VERSION}" in + Debian*) + release='-gnu' + ;; + *) + release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + echo "${machine}-${os}${release}" + exit ;; + *:Bitrig:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE} + exit ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} + exit ;; + *:ekkoBSD:*:*) + echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} + exit ;; + *:SolidBSD:*:*) + echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} + exit ;; + macppc:MirBSD:*:*) + echo powerpc-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:MirBSD:*:*) + echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} + exit ;; + alpha:OSF1:*:*) + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case "$ALPHA_CPU_TYPE" in + "EV4 (21064)") + UNAME_MACHINE="alpha" ;; + "EV4.5 (21064)") + UNAME_MACHINE="alpha" ;; + "LCA4 (21066/21068)") + UNAME_MACHINE="alpha" ;; + "EV5 (21164)") + UNAME_MACHINE="alphaev5" ;; + "EV5.6 (21164A)") + UNAME_MACHINE="alphaev56" ;; + "EV5.6 (21164PC)") + UNAME_MACHINE="alphapca56" ;; + "EV5.7 (21164PC)") + UNAME_MACHINE="alphapca57" ;; + "EV6 (21264)") + UNAME_MACHINE="alphaev6" ;; + "EV6.7 (21264A)") + UNAME_MACHINE="alphaev67" ;; + "EV6.8CB (21264C)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8AL (21264B)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8CX (21264D)") + UNAME_MACHINE="alphaev68" ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE="alphaev69" ;; + "EV7 (21364)") + UNAME_MACHINE="alphaev7" ;; + "EV7.9 (21364A)") + UNAME_MACHINE="alphaev79" ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + exitcode=$? + trap '' 0 + exit $exitcode ;; + Alpha\ *:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # Should we change UNAME_MACHINE based on the output of uname instead + # of the specific Alpha model? + echo alpha-pc-interix + exit ;; + 21064:Windows_NT:50:3) + echo alpha-dec-winnt3.5 + exit ;; + Amiga*:UNIX_System_V:4.0:*) + echo m68k-unknown-sysv4 + exit ;; + *:[Aa]miga[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-amigaos + exit ;; + *:[Mm]orph[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-morphos + exit ;; + *:OS/390:*:*) + echo i370-ibm-openedition + exit ;; + *:z/VM:*:*) + echo s390-ibm-zvmoe + exit ;; + *:OS400:*:*) + echo powerpc-ibm-os400 + exit ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + echo arm-acorn-riscix${UNAME_RELEASE} + exit ;; + arm:riscos:*:*|arm:RISCOS:*:*) + echo arm-unknown-riscos + exit ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + echo hppa1.1-hitachi-hiuxmpp + exit ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + if test "`(/bin/universe) 2>/dev/null`" = att ; then + echo pyramid-pyramid-sysv3 + else + echo pyramid-pyramid-bsd + fi + exit ;; + NILE*:*:*:dcosx) + echo pyramid-pyramid-svr4 + exit ;; + DRS?6000:unix:4.0:6*) + echo sparc-icl-nx6 + exit ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) echo sparc-icl-nx7; exit ;; + esac ;; + s390x:SunOS:*:*) + echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4H:SunOS:5.*:*) + echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + eval $set_cc_for_build + SUN_ARCH="i386" + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH="x86_64" + fi + fi + echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:*:*) + case "`/usr/bin/arch -k`" in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` + exit ;; + sun3*:SunOS:*:*) + echo m68k-sun-sunos${UNAME_RELEASE} + exit ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 + case "`/bin/arch`" in + sun3) + echo m68k-sun-sunos${UNAME_RELEASE} + ;; + sun4) + echo sparc-sun-sunos${UNAME_RELEASE} + ;; + esac + exit ;; + aushp:SunOS:*:*) + echo sparc-auspex-sunos${UNAME_RELEASE} + exit ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; + m68k:machten:*:*) + echo m68k-apple-machten${UNAME_RELEASE} + exit ;; + powerpc:machten:*:*) + echo powerpc-apple-machten${UNAME_RELEASE} + exit ;; + RISC*:Mach:*:*) + echo mips-dec-mach_bsd4.3 + exit ;; + RISC*:ULTRIX:*:*) + echo mips-dec-ultrix${UNAME_RELEASE} + exit ;; + VAX*:ULTRIX*:*:*) + echo vax-dec-ultrix${UNAME_RELEASE} + exit ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + echo clipper-intergraph-clix${UNAME_RELEASE} + exit ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && + dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`$dummy $dummyarg` && + { echo "$SYSTEM_NAME"; exit; } + echo mips-mips-riscos${UNAME_RELEASE} + exit ;; + Motorola:PowerMAX_OS:*:*) + echo powerpc-motorola-powermax + exit ;; + Motorola:*:4.3:PL8-*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:Power_UNIX:*:*) + echo powerpc-harris-powerunix + exit ;; + m88k:CX/UX:7*:*) + echo m88k-harris-cxux7 + exit ;; + m88k:*:4*:R4*) + echo m88k-motorola-sysv4 + exit ;; + m88k:*:3*:R3*) + echo m88k-motorola-sysv3 + exit ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] + then + if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ + [ ${TARGET_BINARY_INTERFACE}x = x ] + then + echo m88k-dg-dgux${UNAME_RELEASE} + else + echo m88k-dg-dguxbcs${UNAME_RELEASE} + fi + else + echo i586-dg-dgux${UNAME_RELEASE} + fi + exit ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + echo m88k-dolphin-sysv3 + exit ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + echo m88k-motorola-sysv3 + exit ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + echo m88k-tektronix-sysv3 + exit ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + echo m68k-tektronix-bsd + exit ;; + *:IRIX*:*:*) + echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` + exit ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id + exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + echo i386-ibm-aix + exit ;; + ia64:AIX:*:*) + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} + exit ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` + then + echo "$SYSTEM_NAME" + else + echo rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + echo rs6000-ibm-aix3.2.4 + else + echo rs6000-ibm-aix3.2 + fi + exit ;; + *:AIX:*:[4567]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${IBM_ARCH}-ibm-aix${IBM_REV} + exit ;; + *:AIX:*:*) + echo rs6000-ibm-aix + exit ;; + ibmrt:4.4BSD:*|romp-ibm:BSD:*) + echo romp-ibm-bsd4.4 + exit ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to + exit ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + echo rs6000-bull-bosx + exit ;; + DPX/2?00:B.O.S.:*:*) + echo m68k-bull-sysv3 + exit ;; + 9000/[34]??:4.3bsd:1.*:*) + echo m68k-hp-bsd + exit ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + echo m68k-hp-bsd4.4 + exit ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + case "${UNAME_MACHINE}" in + 9000/31? ) HP_ARCH=m68000 ;; + 9000/[34]?? ) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if [ -x /usr/bin/getconf ]; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 + 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH="hppa2.0n" ;; + 64) HP_ARCH="hppa2.0w" ;; + '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 + esac ;; + esac + fi + if [ "${HP_ARCH}" = "" ]; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if [ ${HP_ARCH} = "hppa2.0w" ] + then + eval $set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH="hppa2.0w" + else + HP_ARCH="hppa64" + fi + fi + echo ${HP_ARCH}-hp-hpux${HPUX_REV} + exit ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + echo ia64-hp-hpux${HPUX_REV} + exit ;; + 3050*:HI-UX:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + echo unknown-hitachi-hiuxwe2 + exit ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) + echo hppa1.1-hp-bsd + exit ;; + 9000/8??:4.3bsd:*:*) + echo hppa1.0-hp-bsd + exit ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + echo hppa1.0-hp-mpeix + exit ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) + echo hppa1.1-hp-osf + exit ;; + hp8??:OSF1:*:*) + echo hppa1.0-hp-osf + exit ;; + i*86:OSF1:*:*) + if [ -x /usr/sbin/sysversion ] ; then + echo ${UNAME_MACHINE}-unknown-osf1mk + else + echo ${UNAME_MACHINE}-unknown-osf1 + fi + exit ;; + parisc*:Lites*:*:*) + echo hppa1.1-hp-lites + exit ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + echo c1-convex-bsd + exit ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + echo c34-convex-bsd + exit ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + echo c38-convex-bsd + exit ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + echo c4-convex-bsd + exit ;; + CRAY*Y-MP:*:*:*) + echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*[A-Z]90:*:*:*) + echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*T3E:*:*:*) + echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*SV1:*:*:*) + echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + *:UNICOS/mp:*:*) + echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} + exit ;; + sparc*:BSD/OS:*:*) + echo sparc-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:BSD/OS:*:*) + echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:FreeBSD:*:*) + UNAME_PROCESSOR=`/usr/bin/uname -p` + case ${UNAME_PROCESSOR} in + amd64) + echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + *) + echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + esac + exit ;; + i*:CYGWIN*:*) + echo ${UNAME_MACHINE}-pc-cygwin + exit ;; + *:MINGW*:*) + echo ${UNAME_MACHINE}-pc-mingw32 + exit ;; + i*:MSYS*:*) + echo ${UNAME_MACHINE}-pc-msys + exit ;; + i*:windows32*:*) + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 + exit ;; + i*:PW*:*) + echo ${UNAME_MACHINE}-pc-pw32 + exit ;; + *:Interix*:*) + case ${UNAME_MACHINE} in + x86) + echo i586-pc-interix${UNAME_RELEASE} + exit ;; + authenticamd | genuineintel | EM64T) + echo x86_64-unknown-interix${UNAME_RELEASE} + exit ;; + IA64) + echo ia64-unknown-interix${UNAME_RELEASE} + exit ;; + esac ;; + [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) + echo i${UNAME_MACHINE}-pc-mks + exit ;; + 8664:Windows_NT:*) + echo x86_64-pc-mks + exit ;; + i*:Windows_NT*:* | Pentium*:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we + # UNAME_MACHINE based on the output of uname instead of i386? + echo i586-pc-interix + exit ;; + i*:UWIN*:*) + echo ${UNAME_MACHINE}-pc-uwin + exit ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + echo x86_64-unknown-cygwin + exit ;; + p*:CYGWIN*:*) + echo powerpcle-unknown-cygwin + exit ;; + prep*:SunOS:5.*:*) + echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + *:GNU:*:*) + # the GNU system + echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` + exit ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu + exit ;; + i*86:Minix:*:*) + echo ${UNAME_MACHINE}-pc-minix + exit ;; + aarch64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi + echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + echo ${UNAME_MACHINE}-unknown-linux-gnu + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + echo ${UNAME_MACHINE}-unknown-linux-gnueabi + else + echo ${UNAME_MACHINE}-unknown-linux-gnueabihf + fi + fi + exit ;; + avr32*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + cris:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-gnu + exit ;; + crisv32:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-gnu + exit ;; + frv:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + hexagon:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + i*86:Linux:*:*) + LIBC=gnu + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #ifdef __dietlibc__ + LIBC=dietlibc + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` + echo "${UNAME_MACHINE}-pc-linux-${LIBC}" + exit ;; + ia64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + m32r*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + m68*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #undef CPU + #undef ${UNAME_MACHINE} + #undef ${UNAME_MACHINE}el + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + CPU=${UNAME_MACHINE}el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + CPU=${UNAME_MACHINE} + #else + CPU= + #endif + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` + test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } + ;; + or32:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + padre:Linux:*:*) + echo sparc-unknown-linux-gnu + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-gnu + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) echo hppa1.1-unknown-linux-gnu ;; + PA8*) echo hppa2.0-unknown-linux-gnu ;; + *) echo hppa-unknown-linux-gnu ;; + esac + exit ;; + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-gnu + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-gnu + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux + exit ;; + sh64*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + sh*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + tile*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + vax:Linux:*:*) + echo ${UNAME_MACHINE}-dec-linux-gnu + exit ;; + x86_64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + xtensa*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + echo i386-sequent-sysv4 + exit ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} + exit ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + echo ${UNAME_MACHINE}-pc-os2-emx + exit ;; + i*86:XTS-300:*:STOP) + echo ${UNAME_MACHINE}-unknown-stop + exit ;; + i*86:atheos:*:*) + echo ${UNAME_MACHINE}-unknown-atheos + exit ;; + i*86:syllable:*:*) + echo ${UNAME_MACHINE}-pc-syllable + exit ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + echo i386-unknown-lynxos${UNAME_RELEASE} + exit ;; + i*86:*DOS:*:*) + echo ${UNAME_MACHINE}-pc-msdosdjgpp + exit ;; + i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) + UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} + else + echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} + fi + exit ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + exit ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + echo ${UNAME_MACHINE}-pc-sco$UNAME_REL + else + echo ${UNAME_MACHINE}-pc-sysv32 + fi + exit ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configury will decide that + # this is a cross-build. + echo i586-pc-msdosdjgpp + exit ;; + Intel:Mach:3*:*) + echo i386-pc-mach3 + exit ;; + paragon:*:*:*) + echo i860-intel-osf1 + exit ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 + fi + exit ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + echo m68010-convergent-sysv + exit ;; + mc68k:UNIX:SYSTEM5:3.51m) + echo m68k-convergent-sysv + exit ;; + M680?0:D-NIX:5.3:*) + echo m68k-diab-dnix + exit ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + echo m68k-unknown-lynxos${UNAME_RELEASE} + exit ;; + mc68030:UNIX_System_V:4.*:*) + echo m68k-atari-sysv4 + exit ;; + TSUNAMI:LynxOS:2.*:*) + echo sparc-unknown-lynxos${UNAME_RELEASE} + exit ;; + rs6000:LynxOS:2.*:*) + echo rs6000-unknown-lynxos${UNAME_RELEASE} + exit ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + echo powerpc-unknown-lynxos${UNAME_RELEASE} + exit ;; + SM[BE]S:UNIX_SV:*:*) + echo mips-dde-sysv${UNAME_RELEASE} + exit ;; + RM*:ReliantUNIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + RM*:SINIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + echo ${UNAME_MACHINE}-sni-sysv4 + else + echo ns32k-sni-sysv + fi + exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + echo hppa1.1-stratus-sysv4 + exit ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + echo i860-stratus-sysv4 + exit ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + echo ${UNAME_MACHINE}-stratus-vos + exit ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + echo hppa1.1-stratus-vos + exit ;; + mc68*:A/UX:*:*) + echo m68k-apple-aux${UNAME_RELEASE} + exit ;; + news*:NEWS-OS:6*:*) + echo mips-sony-newsos6 + exit ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if [ -d /usr/nec ]; then + echo mips-nec-sysv${UNAME_RELEASE} + else + echo mips-unknown-sysv${UNAME_RELEASE} + fi + exit ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + echo powerpc-be-beos + exit ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + echo powerpc-apple-beos + exit ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + echo i586-pc-beos + exit ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + echo i586-pc-haiku + exit ;; + SX-4:SUPER-UX:*:*) + echo sx4-nec-superux${UNAME_RELEASE} + exit ;; + SX-5:SUPER-UX:*:*) + echo sx5-nec-superux${UNAME_RELEASE} + exit ;; + SX-6:SUPER-UX:*:*) + echo sx6-nec-superux${UNAME_RELEASE} + exit ;; + SX-7:SUPER-UX:*:*) + echo sx7-nec-superux${UNAME_RELEASE} + exit ;; + SX-8:SUPER-UX:*:*) + echo sx8-nec-superux${UNAME_RELEASE} + exit ;; + SX-8R:SUPER-UX:*:*) + echo sx8r-nec-superux${UNAME_RELEASE} + exit ;; + Power*:Rhapsody:*:*) + echo powerpc-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Rhapsody:*:*) + echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown + case $UNAME_PROCESSOR in + i386) + eval $set_cc_for_build + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + UNAME_PROCESSOR="x86_64" + fi + fi ;; + unknown) UNAME_PROCESSOR=powerpc ;; + esac + echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} + exit ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = "x86"; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} + exit ;; + *:QNX:*:4*) + echo i386-pc-qnx + exit ;; + NEO-?:NONSTOP_KERNEL:*:*) + echo neo-tandem-nsk${UNAME_RELEASE} + exit ;; + NSE-*:NONSTOP_KERNEL:*:*) + echo nse-tandem-nsk${UNAME_RELEASE} + exit ;; + NSR-?:NONSTOP_KERNEL:*:*) + echo nsr-tandem-nsk${UNAME_RELEASE} + exit ;; + *:NonStop-UX:*:*) + echo mips-compaq-nonstopux + exit ;; + BS2000:POSIX*:*:*) + echo bs2000-siemens-sysv + exit ;; + DS/*:UNIX_System_V:*:*) + echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} + exit ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "$cputype" = "386"; then + UNAME_MACHINE=i386 + else + UNAME_MACHINE="$cputype" + fi + echo ${UNAME_MACHINE}-unknown-plan9 + exit ;; + *:TOPS-10:*:*) + echo pdp10-unknown-tops10 + exit ;; + *:TENEX:*:*) + echo pdp10-unknown-tenex + exit ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + echo pdp10-dec-tops20 + exit ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + echo pdp10-xkl-tops20 + exit ;; + *:TOPS-20:*:*) + echo pdp10-unknown-tops20 + exit ;; + *:ITS:*:*) + echo pdp10-unknown-its + exit ;; + SEI:*:*:SEIUX) + echo mips-sei-seiux${UNAME_RELEASE} + exit ;; + *:DragonFly:*:*) + echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` + exit ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case "${UNAME_MACHINE}" in + A*) echo alpha-dec-vms ; exit ;; + I*) echo ia64-dec-vms ; exit ;; + V*) echo vax-dec-vms ; exit ;; + esac ;; + *:XENIX:*:SysV) + echo i386-pc-xenix + exit ;; + i*86:skyos:*:*) + echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' + exit ;; + i*86:rdos:*:*) + echo ${UNAME_MACHINE}-pc-rdos + exit ;; + i*86:AROS:*:*) + echo ${UNAME_MACHINE}-pc-aros + exit ;; + x86_64:VMkernel:*:*) + echo ${UNAME_MACHINE}-unknown-esx + exit ;; +esac + +#echo '(No uname command or uname output not recognized.)' 1>&2 +#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 + +eval $set_cc_for_build +cat >$dummy.c < +# include +#endif +main () +{ +#if defined (sony) +#if defined (MIPSEB) + /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, + I don't know.... */ + printf ("mips-sony-bsd\n"); exit (0); +#else +#include + printf ("m68k-sony-newsos%s\n", +#ifdef NEWSOS4 + "4" +#else + "" +#endif + ); exit (0); +#endif +#endif + +#if defined (__arm) && defined (__acorn) && defined (__unix) + printf ("arm-acorn-riscix\n"); exit (0); +#endif + +#if defined (hp300) && !defined (hpux) + printf ("m68k-hp-bsd\n"); exit (0); +#endif + +#if defined (NeXT) +#if !defined (__ARCHITECTURE__) +#define __ARCHITECTURE__ "m68k" +#endif + int version; + version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; + if (version < 4) + printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); + else + printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); + exit (0); +#endif + +#if defined (MULTIMAX) || defined (n16) +#if defined (UMAXV) + printf ("ns32k-encore-sysv\n"); exit (0); +#else +#if defined (CMU) + printf ("ns32k-encore-mach\n"); exit (0); +#else + printf ("ns32k-encore-bsd\n"); exit (0); +#endif +#endif +#endif + +#if defined (__386BSD__) + printf ("i386-pc-bsd\n"); exit (0); +#endif + +#if defined (sequent) +#if defined (i386) + printf ("i386-sequent-dynix\n"); exit (0); +#endif +#if defined (ns32000) + printf ("ns32k-sequent-dynix\n"); exit (0); +#endif +#endif + +#if defined (_SEQUENT_) + struct utsname un; + + uname(&un); + + if (strncmp(un.version, "V2", 2) == 0) { + printf ("i386-sequent-ptx2\n"); exit (0); + } + if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ + printf ("i386-sequent-ptx1\n"); exit (0); + } + printf ("i386-sequent-ptx\n"); exit (0); + +#endif + +#if defined (vax) +# if !defined (ultrix) +# include +# if defined (BSD) +# if BSD == 43 + printf ("vax-dec-bsd4.3\n"); exit (0); +# else +# if BSD == 199006 + printf ("vax-dec-bsd4.3reno\n"); exit (0); +# else + printf ("vax-dec-bsd\n"); exit (0); +# endif +# endif +# else + printf ("vax-dec-bsd\n"); exit (0); +# endif +# else + printf ("vax-dec-ultrix\n"); exit (0); +# endif +#endif + +#if defined (alliant) && defined (i860) + printf ("i860-alliant-bsd\n"); exit (0); +#endif + + exit (1); +} +EOF + +$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + +# Apollos put the system type in the environment. + +test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } + +# Convex versions that predate uname can use getsysinfo(1) + +if [ -x /usr/convex/getsysinfo ] +then + case `getsysinfo -f cpu_type` in + c1*) + echo c1-convex-bsd + exit ;; + c2*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + c34*) + echo c34-convex-bsd + exit ;; + c38*) + echo c38-convex-bsd + exit ;; + c4*) + echo c4-convex-bsd + exit ;; + esac +fi + +cat >&2 < in order to provide the needed +information to handle your system. + +config.guess timestamp = $timestamp + +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = ${UNAME_MACHINE} +UNAME_RELEASE = ${UNAME_RELEASE} +UNAME_SYSTEM = ${UNAME_SYSTEM} +UNAME_VERSION = ${UNAME_VERSION} +EOF + +exit 1 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/google-breakpad/autotools/config.sub b/google-breakpad/autotools/config.sub new file mode 100755 index 0000000..aa2cf19 --- /dev/null +++ b/google-breakpad/autotools/config.sub @@ -0,0 +1,1782 @@ +#! /bin/sh +# Configuration validation subroutine script. +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, +# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, +# 2011, 2012 Free Software Foundation, Inc. + +timestamp='2012-06-17' + +# This file is (in principle) common to ALL GNU software. +# The presence of a machine in this file suggests that SOME GNU software +# can handle that machine. It does not imply ALL GNU software can. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + + +# Please send patches to . Submit a context +# diff and a properly formatted GNU ChangeLog entry. +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS + $0 [OPTION] ALIAS + +Canonicalize a configuration name. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, +2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 +Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo $1 + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ + linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + android-linux) + os=-linux-android + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac + +### Let's recognize common machines as not being operating systems so +### that things like config.sub decstation-3100 work. We also +### recognize some manufacturers as not being operating systems, so we +### can provide default operating systems below. +case $os in + -sun*os*) + # Prevent following clause from handling this invalid input. + ;; + -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ + -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ + -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ + -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ + -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ + -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ + -apple | -axis | -knuth | -cray | -microblaze) + os= + basic_machine=$1 + ;; + -bluegene*) + os=-cnk + ;; + -sim | -cisco | -oki | -wec | -winbond) + os= + basic_machine=$1 + ;; + -scout) + ;; + -wrs) + os=-vxworks + basic_machine=$1 + ;; + -chorusos*) + os=-chorusos + basic_machine=$1 + ;; + -chorusrdb) + os=-chorusrdb + basic_machine=$1 + ;; + -hiux*) + os=-hiuxwe2 + ;; + -sco6) + os=-sco5v6 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5) + os=-sco3.2v5 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco4) + os=-sco3.2v4 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2.[4-9]*) + os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2v[4-9]*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5v6*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco*) + os=-sco3.2v2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -udk*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -isc) + os=-isc2.2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -clix*) + basic_machine=clipper-intergraph + ;; + -isc*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -lynx*178) + os=-lynxos178 + ;; + -lynx*5) + os=-lynxos5 + ;; + -lynx*) + os=-lynxos + ;; + -ptx*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` + ;; + -windowsnt*) + os=`echo $os | sed -e 's/windowsnt/winnt/'` + ;; + -psos*) + os=-psos + ;; + -mint | -mint[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; +esac + +# Decode aliases for certain CPU-COMPANY combinations. +case $basic_machine in + # Recognize the basic CPU types without company name. + # Some are omitted here because they have special meanings below. + 1750a | 580 \ + | a29k \ + | aarch64 | aarch64_be \ + | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ + | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ + | am33_2.0 \ + | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ + | be32 | be64 \ + | bfin \ + | c4x | clipper \ + | d10v | d30v | dlx | dsp16xx \ + | epiphany \ + | fido | fr30 | frv \ + | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | hexagon \ + | i370 | i860 | i960 | ia64 \ + | ip2k | iq2000 \ + | le32 | le64 \ + | lm32 \ + | m32c | m32r | m32rle | m68000 | m68k | m88k \ + | maxq | mb | microblaze | mcore | mep | metag \ + | mips | mipsbe | mipseb | mipsel | mipsle \ + | mips16 \ + | mips64 | mips64el \ + | mips64octeon | mips64octeonel \ + | mips64orion | mips64orionel \ + | mips64r5900 | mips64r5900el \ + | mips64vr | mips64vrel \ + | mips64vr4100 | mips64vr4100el \ + | mips64vr4300 | mips64vr4300el \ + | mips64vr5000 | mips64vr5000el \ + | mips64vr5900 | mips64vr5900el \ + | mipsisa32 | mipsisa32el \ + | mipsisa32r2 | mipsisa32r2el \ + | mipsisa64 | mipsisa64el \ + | mipsisa64r2 | mipsisa64r2el \ + | mipsisa64sb1 | mipsisa64sb1el \ + | mipsisa64sr71k | mipsisa64sr71kel \ + | mipstx39 | mipstx39el \ + | mn10200 | mn10300 \ + | moxie \ + | mt \ + | msp430 \ + | nds32 | nds32le | nds32be \ + | nios | nios2 \ + | ns16k | ns32k \ + | open8 \ + | or32 \ + | pdp10 | pdp11 | pj | pjl \ + | powerpc | powerpc64 | powerpc64le | powerpcle \ + | pyramid \ + | rl78 | rx \ + | score \ + | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ + | sh64 | sh64le \ + | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ + | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ + | spu \ + | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ + | we32k \ + | x86 | xc16x | xstormy16 | xtensa \ + | z8k | z80) + basic_machine=$basic_machine-unknown + ;; + c54x) + basic_machine=tic54x-unknown + ;; + c55x) + basic_machine=tic55x-unknown + ;; + c6x) + basic_machine=tic6x-unknown + ;; + m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip) + basic_machine=$basic_machine-unknown + os=-none + ;; + m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) + ;; + ms1) + basic_machine=mt-unknown + ;; + + strongarm | thumb | xscale) + basic_machine=arm-unknown + ;; + xgate) + basic_machine=$basic_machine-unknown + os=-none + ;; + xscaleeb) + basic_machine=armeb-unknown + ;; + + xscaleel) + basic_machine=armel-unknown + ;; + + # We use `pc' rather than `unknown' + # because (1) that's what they normally are, and + # (2) the word "unknown" tends to confuse beginning users. + i*86 | x86_64) + basic_machine=$basic_machine-pc + ;; + # Object if more than one company name word. + *-*-*) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; + # Recognize the basic CPU types with company name. + 580-* \ + | a29k-* \ + | aarch64-* | aarch64_be-* \ + | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ + | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ + | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ + | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ + | avr-* | avr32-* \ + | be32-* | be64-* \ + | bfin-* | bs2000-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* \ + | clipper-* | craynv-* | cydra-* \ + | d10v-* | d30v-* | dlx-* \ + | elxsi-* \ + | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ + | h8300-* | h8500-* \ + | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | hexagon-* \ + | i*86-* | i860-* | i960-* | ia64-* \ + | ip2k-* | iq2000-* \ + | le32-* | le64-* \ + | lm32-* \ + | m32c-* | m32r-* | m32rle-* \ + | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ + | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ + | mips16-* \ + | mips64-* | mips64el-* \ + | mips64octeon-* | mips64octeonel-* \ + | mips64orion-* | mips64orionel-* \ + | mips64r5900-* | mips64r5900el-* \ + | mips64vr-* | mips64vrel-* \ + | mips64vr4100-* | mips64vr4100el-* \ + | mips64vr4300-* | mips64vr4300el-* \ + | mips64vr5000-* | mips64vr5000el-* \ + | mips64vr5900-* | mips64vr5900el-* \ + | mipsisa32-* | mipsisa32el-* \ + | mipsisa32r2-* | mipsisa32r2el-* \ + | mipsisa64-* | mipsisa64el-* \ + | mipsisa64r2-* | mipsisa64r2el-* \ + | mipsisa64sb1-* | mipsisa64sb1el-* \ + | mipsisa64sr71k-* | mipsisa64sr71kel-* \ + | mipstx39-* | mipstx39el-* \ + | mmix-* \ + | mt-* \ + | msp430-* \ + | nds32-* | nds32le-* | nds32be-* \ + | nios-* | nios2-* \ + | none-* | np1-* | ns16k-* | ns32k-* \ + | open8-* \ + | orion-* \ + | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ + | pyramid-* \ + | rl78-* | romp-* | rs6000-* | rx-* \ + | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ + | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ + | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ + | sparclite-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ + | tahoe-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ + | tile*-* \ + | tron-* \ + | ubicom32-* \ + | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ + | vax-* \ + | we32k-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* \ + | xstormy16-* | xtensa*-* \ + | ymp-* \ + | z8k-* | z80-*) + ;; + # Recognize the basic CPU types without company name, with glob match. + xtensa*) + basic_machine=$basic_machine-unknown + ;; + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 386bsd) + basic_machine=i386-unknown + os=-bsd + ;; + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + basic_machine=m68000-att + ;; + 3b*) + basic_machine=we32k-att + ;; + a29khif) + basic_machine=a29k-amd + os=-udi + ;; + abacus) + basic_machine=abacus-unknown + ;; + adobe68k) + basic_machine=m68010-adobe + os=-scout + ;; + alliant | fx80) + basic_machine=fx80-alliant + ;; + altos | altos3068) + basic_machine=m68k-altos + ;; + am29k) + basic_machine=a29k-none + os=-bsd + ;; + amd64) + basic_machine=x86_64-pc + ;; + amd64-*) + basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + amdahl) + basic_machine=580-amdahl + os=-sysv + ;; + amiga | amiga-*) + basic_machine=m68k-unknown + ;; + amigaos | amigados) + basic_machine=m68k-unknown + os=-amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + os=-sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + os=-sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + os=-bsd + ;; + aros) + basic_machine=i386-pc + os=-aros + ;; + aux) + basic_machine=m68k-apple + os=-aux + ;; + balance) + basic_machine=ns32k-sequent + os=-dynix + ;; + blackfin) + basic_machine=bfin-unknown + os=-linux + ;; + blackfin-*) + basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + bluegene*) + basic_machine=powerpc-ibm + os=-cnk + ;; + c54x-*) + basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c55x-*) + basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c6x-*) + basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c90) + basic_machine=c90-cray + os=-unicos + ;; + cegcc) + basic_machine=arm-unknown + os=-cegcc + ;; + convex-c1) + basic_machine=c1-convex + os=-bsd + ;; + convex-c2) + basic_machine=c2-convex + os=-bsd + ;; + convex-c32) + basic_machine=c32-convex + os=-bsd + ;; + convex-c34) + basic_machine=c34-convex + os=-bsd + ;; + convex-c38) + basic_machine=c38-convex + os=-bsd + ;; + cray | j90) + basic_machine=j90-cray + os=-unicos + ;; + craynv) + basic_machine=craynv-cray + os=-unicosmp + ;; + cr16 | cr16-*) + basic_machine=cr16-unknown + os=-elf + ;; + crds | unos) + basic_machine=m68k-crds + ;; + crisv32 | crisv32-* | etraxfs*) + basic_machine=crisv32-axis + ;; + cris | cris-* | etrax*) + basic_machine=cris-axis + ;; + crx) + basic_machine=crx-unknown + os=-elf + ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; + decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) + basic_machine=mips-dec + ;; + decsystem10* | dec10*) + basic_machine=pdp10-dec + os=-tops10 + ;; + decsystem20* | dec20*) + basic_machine=pdp10-dec + os=-tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + basic_machine=m68k-motorola + ;; + delta88) + basic_machine=m88k-motorola + os=-sysv3 + ;; + dicos) + basic_machine=i686-pc + os=-dicos + ;; + djgpp) + basic_machine=i586-pc + os=-msdosdjgpp + ;; + dpx20 | dpx20-*) + basic_machine=rs6000-bull + os=-bosx + ;; + dpx2* | dpx2*-bull) + basic_machine=m68k-bull + os=-sysv3 + ;; + ebmon29k) + basic_machine=a29k-amd + os=-ebmon + ;; + elxsi) + basic_machine=elxsi-elxsi + os=-bsd + ;; + encore | umax | mmax) + basic_machine=ns32k-encore + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + os=-ose + ;; + fx2800) + basic_machine=i860-alliant + ;; + genix) + basic_machine=ns32k-ns + ;; + gmicro) + basic_machine=tron-gmicro + os=-sysv + ;; + go32) + basic_machine=i386-pc + os=-go32 + ;; + h3050r* | hiux*) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + h8300hms) + basic_machine=h8300-hitachi + os=-hms + ;; + h8300xray) + basic_machine=h8300-hitachi + os=-xray + ;; + h8500hms) + basic_machine=h8500-hitachi + os=-hms + ;; + harris) + basic_machine=m88k-harris + os=-sysv3 + ;; + hp300-*) + basic_machine=m68k-hp + ;; + hp300bsd) + basic_machine=m68k-hp + os=-bsd + ;; + hp300hpux) + basic_machine=m68k-hp + os=-hpux + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + basic_machine=m68000-hp + ;; + hp9k3[2-9][0-9]) + basic_machine=m68k-hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + basic_machine=hppa1.1-hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hppa-next) + os=-nextstep3 + ;; + hppaosf) + basic_machine=hppa1.1-hp + os=-osf + ;; + hppro) + basic_machine=hppa1.1-hp + os=-proelf + ;; + i370-ibm* | ibm*) + basic_machine=i370-ibm + ;; + i*86v32) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv32 + ;; + i*86v4*) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv4 + ;; + i*86v) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv + ;; + i*86sol2) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-solaris2 + ;; + i386mach) + basic_machine=i386-mach + os=-mach + ;; + i386-vsta | vsta) + basic_machine=i386-unknown + os=-vsta + ;; + iris | iris4d) + basic_machine=mips-sgi + case $os in + -irix*) + ;; + *) + os=-irix4 + ;; + esac + ;; + isi68 | isi) + basic_machine=m68k-isi + os=-sysv + ;; + m68knommu) + basic_machine=m68k-unknown + os=-linux + ;; + m68knommu-*) + basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + m88k-omron*) + basic_machine=m88k-omron + ;; + magnum | m3230) + basic_machine=mips-mips + os=-sysv + ;; + merlin) + basic_machine=ns32k-utek + os=-sysv + ;; + microblaze) + basic_machine=microblaze-xilinx + ;; + mingw32) + basic_machine=i386-pc + os=-mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + os=-mingw32ce + ;; + miniframe) + basic_machine=m68000-convergent + ;; + *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; + mips3*-*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` + ;; + mips3*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown + ;; + monitor) + basic_machine=m68k-rom68k + os=-coff + ;; + morphos) + basic_machine=powerpc-unknown + os=-morphos + ;; + msdos) + basic_machine=i386-pc + os=-msdos + ;; + ms1-*) + basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` + ;; + msys) + basic_machine=i386-pc + os=-msys + ;; + mvs) + basic_machine=i370-ibm + os=-mvs + ;; + nacl) + basic_machine=le32-unknown + os=-nacl + ;; + ncr3000) + basic_machine=i486-ncr + os=-sysv4 + ;; + netbsd386) + basic_machine=i386-unknown + os=-netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + os=-linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + os=-newsos + ;; + news1000) + basic_machine=m68030-sony + os=-newsos + ;; + news-3600 | risc-news) + basic_machine=mips-sony + os=-newsos + ;; + necv70) + basic_machine=v70-nec + os=-sysv + ;; + next | m*-next ) + basic_machine=m68k-next + case $os in + -nextstep* ) + ;; + -ns2*) + os=-nextstep2 + ;; + *) + os=-nextstep3 + ;; + esac + ;; + nh3000) + basic_machine=m68k-harris + os=-cxux + ;; + nh[45]000) + basic_machine=m88k-harris + os=-cxux + ;; + nindy960) + basic_machine=i960-intel + os=-nindy + ;; + mon960) + basic_machine=i960-intel + os=-mon960 + ;; + nonstopux) + basic_machine=mips-compaq + os=-nonstopux + ;; + np1) + basic_machine=np1-gould + ;; + neo-tandem) + basic_machine=neo-tandem + ;; + nse-tandem) + basic_machine=nse-tandem + ;; + nsr-tandem) + basic_machine=nsr-tandem + ;; + op50n-* | op60c-*) + basic_machine=hppa1.1-oki + os=-proelf + ;; + openrisc | openrisc-*) + basic_machine=or32-unknown + ;; + os400) + basic_machine=powerpc-ibm + os=-os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + os=-ose + ;; + os68k) + basic_machine=m68k-none + os=-os68k + ;; + pa-hitachi) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + paragon) + basic_machine=i860-intel + os=-osf + ;; + parisc) + basic_machine=hppa-unknown + os=-linux + ;; + parisc-*) + basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + pbd) + basic_machine=sparc-tti + ;; + pbb) + basic_machine=m68k-tti + ;; + pc532 | pc532-*) + basic_machine=ns32k-pc532 + ;; + pc98) + basic_machine=i386-pc + ;; + pc98-*) + basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium | p5 | k5 | k6 | nexgen | viac3) + basic_machine=i586-pc + ;; + pentiumpro | p6 | 6x86 | athlon | athlon_*) + basic_machine=i686-pc + ;; + pentiumii | pentium2 | pentiumiii | pentium3) + basic_machine=i686-pc + ;; + pentium4) + basic_machine=i786-pc + ;; + pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) + basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumpro-* | p6-* | 6x86-* | athlon-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium4-*) + basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pn) + basic_machine=pn-gould + ;; + power) basic_machine=power-ibm + ;; + ppc | ppcbe) basic_machine=powerpc-unknown + ;; + ppc-* | ppcbe-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppcle | powerpclittle | ppc-le | powerpc-little) + basic_machine=powerpcle-unknown + ;; + ppcle-* | powerpclittle-*) + basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64) basic_machine=powerpc64-unknown + ;; + ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64le | powerpc64little | ppc64-le | powerpc64-little) + basic_machine=powerpc64le-unknown + ;; + ppc64le-* | powerpc64little-*) + basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ps2) + basic_machine=i386-ibm + ;; + pw32) + basic_machine=i586-unknown + os=-pw32 + ;; + rdos) + basic_machine=i386-pc + os=-rdos + ;; + rom68k) + basic_machine=m68k-rom68k + os=-coff + ;; + rm[46]00) + basic_machine=mips-siemens + ;; + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; + s390 | s390-*) + basic_machine=s390-ibm + ;; + s390x | s390x-*) + basic_machine=s390x-ibm + ;; + sa29200) + basic_machine=a29k-amd + os=-udi + ;; + sb1) + basic_machine=mipsisa64sb1-unknown + ;; + sb1el) + basic_machine=mipsisa64sb1el-unknown + ;; + sde) + basic_machine=mipsisa32-sde + os=-elf + ;; + sei) + basic_machine=mips-sei + os=-seiux + ;; + sequent) + basic_machine=i386-sequent + ;; + sh) + basic_machine=sh-hitachi + os=-hms + ;; + sh5el) + basic_machine=sh5le-unknown + ;; + sh64) + basic_machine=sh64-unknown + ;; + sparclite-wrs | simso-wrs) + basic_machine=sparclite-wrs + os=-vxworks + ;; + sps7) + basic_machine=m68k-bull + os=-sysv2 + ;; + spur) + basic_machine=spur-unknown + ;; + st2000) + basic_machine=m68k-tandem + ;; + stratus) + basic_machine=i860-stratus + os=-sysv4 + ;; + strongarm-* | thumb-*) + basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + sun2) + basic_machine=m68000-sun + ;; + sun2os3) + basic_machine=m68000-sun + os=-sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + os=-sunos4 + ;; + sun3os3) + basic_machine=m68k-sun + os=-sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + os=-sunos4 + ;; + sun4os3) + basic_machine=sparc-sun + os=-sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + os=-sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + os=-solaris2 + ;; + sun3 | sun3-*) + basic_machine=m68k-sun + ;; + sun4) + basic_machine=sparc-sun + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + ;; + sv1) + basic_machine=sv1-cray + os=-unicos + ;; + symmetry) + basic_machine=i386-sequent + os=-dynix + ;; + t3e) + basic_machine=alphaev5-cray + os=-unicos + ;; + t90) + basic_machine=t90-cray + os=-unicos + ;; + tile*) + basic_machine=$basic_machine-unknown + os=-linux-gnu + ;; + tx39) + basic_machine=mipstx39-unknown + ;; + tx39el) + basic_machine=mipstx39el-unknown + ;; + toad1) + basic_machine=pdp10-xkl + os=-tops20 + ;; + tower | tower-32) + basic_machine=m68k-ncr + ;; + tpf) + basic_machine=s390x-ibm + os=-tpf + ;; + udi29k) + basic_machine=a29k-amd + os=-udi + ;; + ultra3) + basic_machine=a29k-nyu + os=-sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + os=-none + ;; + vaxv) + basic_machine=vax-dec + os=-sysv + ;; + vms) + basic_machine=vax-dec + os=-vms + ;; + vpp*|vx|vx-*) + basic_machine=f301-fujitsu + ;; + vxworks960) + basic_machine=i960-wrs + os=-vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + os=-vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + os=-vxworks + ;; + w65*) + basic_machine=w65-wdc + os=-none + ;; + w89k-*) + basic_machine=hppa1.1-winbond + os=-proelf + ;; + xbox) + basic_machine=i686-pc + os=-mingw32 + ;; + xps | xps100) + basic_machine=xps100-honeywell + ;; + xscale-* | xscalee[bl]-*) + basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` + ;; + ymp) + basic_machine=ymp-cray + os=-unicos + ;; + z8k-*-coff) + basic_machine=z8k-unknown + os=-sim + ;; + z80-*-coff) + basic_machine=z80-unknown + os=-sim + ;; + none) + basic_machine=none-none + os=-none + ;; + +# Here we handle the default manufacturer of certain CPU types. It is in +# some cases the only manufacturer, in others, it is the most popular. + w89k) + basic_machine=hppa1.1-winbond + ;; + op50n) + basic_machine=hppa1.1-oki + ;; + op60c) + basic_machine=hppa1.1-oki + ;; + romp) + basic_machine=romp-ibm + ;; + mmix) + basic_machine=mmix-knuth + ;; + rs6000) + basic_machine=rs6000-ibm + ;; + vax) + basic_machine=vax-dec + ;; + pdp10) + # there are many clones, so DEC is not a safe bet + basic_machine=pdp10-unknown + ;; + pdp11) + basic_machine=pdp11-dec + ;; + we32k) + basic_machine=we32k-att + ;; + sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele) + basic_machine=sh-unknown + ;; + sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) + basic_machine=sparc-sun + ;; + cydra) + basic_machine=cydra-cydrome + ;; + orion) + basic_machine=orion-highlevel + ;; + orion105) + basic_machine=clipper-highlevel + ;; + mac | mpw | mac-mpw) + basic_machine=m68k-apple + ;; + pmac | pmac-mpw) + basic_machine=powerpc-apple + ;; + *-unknown) + # Make sure to match an already-canonicalized machine name. + ;; + *) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $basic_machine in + *-digital*) + basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` + ;; + *-commodore*) + basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if [ x"$os" != x"" ] +then +case $os in + # First match some system type aliases + # that might get confused with valid system types. + # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; + -solaris1 | -solaris1.*) + os=`echo $os | sed -e 's|solaris1|sunos4|'` + ;; + -solaris) + os=-solaris2 + ;; + -svr4*) + os=-sysv4 + ;; + -unixware*) + os=-sysv4.2uw + ;; + -gnu/linux*) + os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` + ;; + # First accept the basic system types. + # The portable systems comes first. + # Each alternative MUST END IN A *, to match a version number. + # -sysv* is not here because it comes later, after sysvr4. + -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ + | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* \ + | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ + | -aos* | -aros* \ + | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ + | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ + | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ + | -bitrig* | -openbsd* | -solidbsd* \ + | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ + | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ + | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ + | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ + | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ + | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ + | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*) + # Remember, each alternative MUST END IN *, to match a version number. + ;; + -qnx*) + case $basic_machine in + x86-* | i*86-*) + ;; + *) + os=-nto$os + ;; + esac + ;; + -nto-qnx*) + ;; + -nto*) + os=`echo $os | sed -e 's|nto|nto-qnx|'` + ;; + -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \ + | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \ + | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*) + ;; + -mac*) + os=`echo $os | sed -e 's|mac|macos|'` + ;; + -linux-dietlibc) + os=-linux-dietlibc + ;; + -linux*) + os=`echo $os | sed -e 's|linux|linux-gnu|'` + ;; + -sunos5*) + os=`echo $os | sed -e 's|sunos5|solaris2|'` + ;; + -sunos6*) + os=`echo $os | sed -e 's|sunos6|solaris3|'` + ;; + -opened*) + os=-openedition + ;; + -os400*) + os=-os400 + ;; + -wince*) + os=-wince + ;; + -osfrose*) + os=-osfrose + ;; + -osf*) + os=-osf + ;; + -utek*) + os=-bsd + ;; + -dynix*) + os=-bsd + ;; + -acis*) + os=-aos + ;; + -atheos*) + os=-atheos + ;; + -syllable*) + os=-syllable + ;; + -386bsd) + os=-bsd + ;; + -ctix* | -uts*) + os=-sysv + ;; + -nova*) + os=-rtmk-nova + ;; + -ns2 ) + os=-nextstep2 + ;; + -nsk*) + os=-nsk + ;; + # Preserve the version number of sinix5. + -sinix5.*) + os=`echo $os | sed -e 's|sinix|sysv|'` + ;; + -sinix*) + os=-sysv4 + ;; + -tpf*) + os=-tpf + ;; + -triton*) + os=-sysv3 + ;; + -oss*) + os=-sysv3 + ;; + -svr4) + os=-sysv4 + ;; + -svr3) + os=-sysv3 + ;; + -sysvr4) + os=-sysv4 + ;; + # This must come after -sysvr4. + -sysv*) + ;; + -ose*) + os=-ose + ;; + -es1800*) + os=-ose + ;; + -xenix) + os=-xenix + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + os=-mint + ;; + -aros*) + os=-aros + ;; + -kaos*) + os=-kaos + ;; + -zvmoe) + os=-zvmoe + ;; + -dicos*) + os=-dicos + ;; + -nacl*) + ;; + -none) + ;; + *) + # Get rid of the `-' at the beginning of $os. + os=`echo $os | sed 's/[^-]*-//'` + echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 + exit 1 + ;; +esac +else + +# Here we handle the default operating systems that come with various machines. +# The value should be what the vendor currently ships out the door with their +# machine or put another way, the most popular os provided with the machine. + +# Note that if you're going to try to match "-MANUFACTURER" here (say, +# "-sun"), then you have to tell the case statement up towards the top +# that MANUFACTURER isn't an operating system. Otherwise, code above +# will signal an error saying that MANUFACTURER isn't an operating +# system, and we'll never get to this point. + +case $basic_machine in + score-*) + os=-elf + ;; + spu-*) + os=-elf + ;; + *-acorn) + os=-riscix1.2 + ;; + arm*-rebel) + os=-linux + ;; + arm*-semi) + os=-aout + ;; + c4x-* | tic4x-*) + os=-coff + ;; + hexagon-*) + os=-elf + ;; + tic54x-*) + os=-coff + ;; + tic55x-*) + os=-coff + ;; + tic6x-*) + os=-coff + ;; + # This must come before the *-dec entry. + pdp10-*) + os=-tops20 + ;; + pdp11-*) + os=-none + ;; + *-dec | vax-*) + os=-ultrix4.2 + ;; + m68*-apollo) + os=-domain + ;; + i386-sun) + os=-sunos4.0.2 + ;; + m68000-sun) + os=-sunos3 + ;; + m68*-cisco) + os=-aout + ;; + mep-*) + os=-elf + ;; + mips*-cisco) + os=-elf + ;; + mips*-*) + os=-elf + ;; + or32-*) + os=-coff + ;; + *-tti) # must be before sparc entry or we get the wrong os. + os=-sysv3 + ;; + sparc-* | *-sun) + os=-sunos4.1.1 + ;; + *-be) + os=-beos + ;; + *-haiku) + os=-haiku + ;; + *-ibm) + os=-aix + ;; + *-knuth) + os=-mmixware + ;; + *-wec) + os=-proelf + ;; + *-winbond) + os=-proelf + ;; + *-oki) + os=-proelf + ;; + *-hp) + os=-hpux + ;; + *-hitachi) + os=-hiux + ;; + i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) + os=-sysv + ;; + *-cbm) + os=-amigaos + ;; + *-dg) + os=-dgux + ;; + *-dolphin) + os=-sysv3 + ;; + m68k-ccur) + os=-rtu + ;; + m88k-omron*) + os=-luna + ;; + *-next ) + os=-nextstep + ;; + *-sequent) + os=-ptx + ;; + *-crds) + os=-unos + ;; + *-ns) + os=-genix + ;; + i370-*) + os=-mvs + ;; + *-next) + os=-nextstep3 + ;; + *-gould) + os=-sysv + ;; + *-highlevel) + os=-bsd + ;; + *-encore) + os=-bsd + ;; + *-sgi) + os=-irix + ;; + *-siemens) + os=-sysv4 + ;; + *-masscomp) + os=-rtu + ;; + f30[01]-fujitsu | f700-fujitsu) + os=-uxpv + ;; + *-rom68k) + os=-coff + ;; + *-*bug) + os=-coff + ;; + *-apple) + os=-macos + ;; + *-atari*) + os=-mint + ;; + *) + os=-none + ;; +esac +fi + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +vendor=unknown +case $basic_machine in + *-unknown) + case $os in + -riscix*) + vendor=acorn + ;; + -sunos*) + vendor=sun + ;; + -cnk*|-aix*) + vendor=ibm + ;; + -beos*) + vendor=be + ;; + -hpux*) + vendor=hp + ;; + -mpeix*) + vendor=hp + ;; + -hiux*) + vendor=hitachi + ;; + -unos*) + vendor=crds + ;; + -dgux*) + vendor=dg + ;; + -luna*) + vendor=omron + ;; + -genix*) + vendor=ns + ;; + -mvs* | -opened*) + vendor=ibm + ;; + -os400*) + vendor=ibm + ;; + -ptx*) + vendor=sequent + ;; + -tpf*) + vendor=ibm + ;; + -vxsim* | -vxworks* | -windiss*) + vendor=wrs + ;; + -aux*) + vendor=apple + ;; + -hms*) + vendor=hitachi + ;; + -mpw* | -macos*) + vendor=apple + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + vendor=atari + ;; + -vos*) + vendor=stratus + ;; + esac + basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` + ;; +esac + +echo $basic_machine$os +exit + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/google-breakpad/autotools/depcomp b/google-breakpad/autotools/depcomp new file mode 100755 index 0000000..ca5ea4e --- /dev/null +++ b/google-breakpad/autotools/depcomp @@ -0,0 +1,584 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2006-10-15.18 + +# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006 Free Software +# Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try \`$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by `PROGRAMS ARGS'. + object Object file output by `PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputing dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz +## The second -e expression handles DOS-style file names with drive letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the `deleted header file' problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. + tr ' ' ' +' < "$tmpdepfile" | +## Some versions of gcc put a space before the `:'. On the theory +## that the space means something, we add a space to the output as +## well. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like `#:fec' to the end of the + # dependency line. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ + tr ' +' ' ' >> $depfile + echo >> $depfile + + # The second pass generates a dummy entry for each header file. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> $depfile + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts `$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` + tmpdepfile="$stripped.u" + if test "$libtool" = yes; then + "$@" -Wc,-M + else + "$@" -M + fi + stat=$? + + if test -f "$tmpdepfile"; then : + else + stripped=`echo "$stripped" | sed 's,^.*/,,'` + tmpdepfile="$stripped.u" + fi + + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + + if test -f "$tmpdepfile"; then + outname="$stripped.o" + # Each line is of the form `foo.o: dependent.h'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" + sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +icc) + # Intel's C compiler understands `-MD -MF file'. However on + # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c + # ICC 7.0 will fill foo.d with something like + # foo.o: sub/foo.c + # foo.o: sub/foo.h + # which is wrong. We want: + # sub/foo.o: sub/foo.c + # sub/foo.o: sub/foo.h + # sub/foo.c: + # sub/foo.h: + # ICC 7.1 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using \ : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | + sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" + # Add `dependent.h:' lines. + sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile" + else + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in `foo.d' instead, so we check for that too. + # Subdirectories are respected. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` + + if test "$libtool" = yes; then + # With Tru64 cc, shared objects can also be used to make a + # static library. This mechanism is used in libtool 1.4 series to + # handle both shared and static libraries in a single compilation. + # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. + # + # With libtool 1.5 this exception was removed, and libtool now + # generates 2 separate objects for the 2 libraries. These two + # compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 + tmpdepfile2=$dir$base.o.d # libtool 1.5 + tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 + tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.o.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + tmpdepfile4=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" + else + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for `:' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. + "$@" $dashmflag | + sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + tr ' ' ' +' < "$tmpdepfile" | \ +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no + for arg in "$@"; do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix="`echo $object | sed 's/^.*\././'`" + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + sed '1,2d' "$tmpdepfile" | tr ' ' ' +' | \ +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E | + sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | + sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o, + # because we must use -o when running libtool. + "$@" || exit $? + IFS=" " + for arg + do + case "$arg" in + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" + echo " " >> "$depfile" + . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: diff --git a/google-breakpad/autotools/install-sh b/google-breakpad/autotools/install-sh new file mode 100755 index 0000000..4fbbae7 --- /dev/null +++ b/google-breakpad/autotools/install-sh @@ -0,0 +1,507 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2006-10-14.15 + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +nl=' +' +IFS=" "" $nl" + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit="${DOITPROG-}" +if test -z "$doit"; then + doit_exec=exec +else + doit_exec=$doit +fi + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +mvprog="${MVPROG-mv}" +cpprog="${CPPROG-cp}" +chmodprog="${CHMODPROG-chmod}" +chownprog="${CHOWNPROG-chown}" +chgrpprog="${CHGRPPROG-chgrp}" +stripprog="${STRIPPROG-strip}" +rmprog="${RMPROG-rm}" +mkdirprog="${MKDIRPROG-mkdir}" + +posix_glob= +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chmodcmd=$chmodprog +chowncmd= +chgrpcmd= +stripcmd= +rmcmd="$rmprog -f" +mvcmd="$mvprog" +src= +dst= +dir_arg= +dstarg= +no_target_directory= + +usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: +-c (ignored) +-d create directories instead of installing files. +-g GROUP $chgrpprog installed files to GROUP. +-m MODE $chmodprog installed files to MODE. +-o USER $chownprog installed files to USER. +-s $stripprog installed files. +-t DIRECTORY install into DIRECTORY. +-T report an error if DSTFILE is a directory. +--help display this help and exit. +--version display version info and exit. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) shift + continue;; + + -d) dir_arg=true + shift + continue;; + + -g) chgrpcmd="$chgrpprog $2" + shift + shift + continue;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + shift + shift + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + continue;; + + -o) chowncmd="$chownprog $2" + shift + shift + continue;; + + -s) stripcmd=$stripprog + shift + continue;; + + -t) dstarg=$2 + shift + shift + continue;; + + -T) no_target_directory=true + shift + continue;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac +done + +if test $# -ne 0 && test -z "$dir_arg$dstarg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dstarg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dstarg" + shift # fnord + fi + shift # arg + dstarg=$arg + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call `install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + trap '(exit $?); exit' 1 2 13 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names starting with `-'. + case $src in + -*) src=./$src ;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dstarg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + + dst=$dstarg + # Protect names starting with `-'. + case $dst in + -*) dst=./$dst ;; + esac + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dstarg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + # Prefer dirname, but fall back on a substitute if dirname fails. + dstdir=` + (dirname "$dst") 2>/dev/null || + expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$dst" : 'X\(//\)[^/]' \| \ + X"$dst" : 'X\(//\)$' \| \ + X"$dst" : 'X\(/\)' \| . 2>/dev/null || + echo X"$dst" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q' + ` + + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writeable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix=/ ;; + -*) prefix=./ ;; + *) prefix= ;; + esac + + case $posix_glob in + '') + if (set -f) 2>/dev/null; then + posix_glob=true + else + posix_glob=false + fi ;; + esac + + oIFS=$IFS + IFS=/ + $posix_glob && set -f + set fnord $dstdir + shift + $posix_glob && set +f + IFS=$oIFS + + prefixes= + + for d + do + test -z "$d" && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ + && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ + && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ + && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # Now rename the file to the real destination. + { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \ + || { + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + if test -f "$dst"; then + $doit $rmcmd -f "$dst" 2>/dev/null \ + || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null \ + && { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }; }\ + || { + echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + else + : + fi + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + } || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: diff --git a/google-breakpad/autotools/ltmain.sh b/google-breakpad/autotools/ltmain.sh new file mode 100755 index 0000000..a72f2fd --- /dev/null +++ b/google-breakpad/autotools/ltmain.sh @@ -0,0 +1,8406 @@ +# Generated from ltmain.m4sh. + +# ltmain.sh (GNU libtool) 2.2.6b +# Written by Gordon Matzigkeit , 1996 + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007 2008 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, +# or obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +# Usage: $progname [OPTION]... [MODE-ARG]... +# +# Provide generalized library-building support services. +# +# --config show all configuration variables +# --debug enable verbose shell tracing +# -n, --dry-run display commands without modifying any files +# --features display basic configuration information and exit +# --mode=MODE use operation mode MODE +# --preserve-dup-deps don't remove duplicate dependency libraries +# --quiet, --silent don't print informational messages +# --tag=TAG use configuration variables from tag TAG +# -v, --verbose print informational messages (default) +# --version print version information +# -h, --help print short or long help message +# +# MODE must be one of the following: +# +# clean remove files from the build directory +# compile compile a source file into a libtool object +# execute automatically set library path, then run a program +# finish complete the installation of libtool libraries +# install install libraries or executables +# link create a library or an executable +# uninstall remove libraries from an installed directory +# +# MODE-ARGS vary depending on the MODE. +# Try `$progname --help --mode=MODE' for a more detailed description of MODE. +# +# When reporting a bug, please describe a test case to reproduce it and +# include the following information: +# +# host-triplet: $host +# shell: $SHELL +# compiler: $LTCC +# compiler flags: $LTCFLAGS +# linker: $LD (gnu? $with_gnu_ld) +# $progname: (GNU libtool) 2.2.6b +# automake: $automake_version +# autoconf: $autoconf_version +# +# Report bugs to . + +PROGRAM=ltmain.sh +PACKAGE=libtool +VERSION=2.2.6b +TIMESTAMP="" +package_revision=1.3017 + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# NLS nuisances: We save the old values to restore during execute mode. +# Only set LANG and LC_ALL to C if already set. +# These must not be set unconditionally because not all systems understand +# e.g. LANG=C (notably SCO). +lt_user_locale= +lt_safe_locale= +for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES +do + eval "if test \"\${$lt_var+set}\" = set; then + save_$lt_var=\$$lt_var + $lt_var=C + export $lt_var + lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\" + lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\" + fi" +done + +$lt_unset CDPATH + + + + + +: ${CP="cp -f"} +: ${ECHO="echo"} +: ${EGREP="/bin/grep -E"} +: ${FGREP="/bin/grep -F"} +: ${GREP="/bin/grep"} +: ${LN_S="ln -s"} +: ${MAKE="make"} +: ${MKDIR="mkdir"} +: ${MV="mv -f"} +: ${RM="rm -f"} +: ${SED="/bin/sed"} +: ${SHELL="${CONFIG_SHELL-/bin/sh}"} +: ${Xsed="$SED -e 1s/^X//"} + +# Global variables: +EXIT_SUCCESS=0 +EXIT_FAILURE=1 +EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. +EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. + +exit_status=$EXIT_SUCCESS + +# Make sure IFS has a sensible default +lt_nl=' +' +IFS=" $lt_nl" + +dirname="s,/[^/]*$,," +basename="s,^.*/,," + +# func_dirname_and_basename file append nondir_replacement +# perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# Implementation must be kept synchronized with func_dirname +# and func_basename. For efficiency, we do not delegate to +# those functions but instead duplicate the functionality here. +func_dirname_and_basename () +{ + # Extract subdirectory from the argument. + func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi + func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"` +} + +# Generated shell functions inserted here. + +# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh +# is ksh but when the shell is invoked as "sh" and the current value of +# the _XPG environment variable is not equal to 1 (one), the special +# positional parameter $0, within a function call, is the name of the +# function. +progpath="$0" + +# The name of this program: +# In the unlikely event $progname began with a '-', it would play havoc with +# func_echo (imagine progname=-n), so we prepend ./ in that case: +func_dirname_and_basename "$progpath" +progname=$func_basename_result +case $progname in + -*) progname=./$progname ;; +esac + +# Make sure we have an absolute path for reexecution: +case $progpath in + [\\/]*|[A-Za-z]:\\*) ;; + *[\\/]*) + progdir=$func_dirname_result + progdir=`cd "$progdir" && pwd` + progpath="$progdir/$progname" + ;; + *) + save_IFS="$IFS" + IFS=: + for progdir in $PATH; do + IFS="$save_IFS" + test -x "$progdir/$progname" && break + done + IFS="$save_IFS" + test -n "$progdir" || progdir=`pwd` + progpath="$progdir/$progname" + ;; +esac + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +Xsed="${SED}"' -e 1s/^X//' +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Re-`\' parameter expansions in output of double_quote_subst that were +# `\'-ed in input to the same. If an odd number of `\' preceded a '$' +# in input to double_quote_subst, that '$' was protected from expansion. +# Since each input `\' is now two `\'s, look for any number of runs of +# four `\'s followed by two `\'s and then a '$'. `\' that '$'. +bs='\\' +bs2='\\\\' +bs4='\\\\\\\\' +dollar='\$' +sed_double_backslash="\ + s/$bs4/&\\ +/g + s/^$bs2$dollar/$bs&/ + s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g + s/\n//g" + +# Standard options: +opt_dry_run=false +opt_help=false +opt_quiet=false +opt_verbose=false +opt_warning=: + +# func_echo arg... +# Echo program name prefixed message, along with the current mode +# name if it has been set yet. +func_echo () +{ + $ECHO "$progname${mode+: }$mode: $*" +} + +# func_verbose arg... +# Echo program name prefixed message in verbose mode only. +func_verbose () +{ + $opt_verbose && func_echo ${1+"$@"} + + # A bug in bash halts the script if the last line of a function + # fails when set -e is in force, so we need another command to + # work around that: + : +} + +# func_error arg... +# Echo program name prefixed message to standard error. +func_error () +{ + $ECHO "$progname${mode+: }$mode: "${1+"$@"} 1>&2 +} + +# func_warning arg... +# Echo program name prefixed warning message to standard error. +func_warning () +{ + $opt_warning && $ECHO "$progname${mode+: }$mode: warning: "${1+"$@"} 1>&2 + + # bash bug again: + : +} + +# func_fatal_error arg... +# Echo program name prefixed message to standard error, and exit. +func_fatal_error () +{ + func_error ${1+"$@"} + exit $EXIT_FAILURE +} + +# func_fatal_help arg... +# Echo program name prefixed message to standard error, followed by +# a help hint, and exit. +func_fatal_help () +{ + func_error ${1+"$@"} + func_fatal_error "$help" +} +help="Try \`$progname --help' for more information." ## default + + +# func_grep expression filename +# Check whether EXPRESSION matches any line of FILENAME, without output. +func_grep () +{ + $GREP "$1" "$2" >/dev/null 2>&1 +} + + +# func_mkdir_p directory-path +# Make sure the entire path to DIRECTORY-PATH is available. +func_mkdir_p () +{ + my_directory_path="$1" + my_dir_list= + + if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then + + # Protect directory names starting with `-' + case $my_directory_path in + -*) my_directory_path="./$my_directory_path" ;; + esac + + # While some portion of DIR does not yet exist... + while test ! -d "$my_directory_path"; do + # ...make a list in topmost first order. Use a colon delimited + # list incase some portion of path contains whitespace. + my_dir_list="$my_directory_path:$my_dir_list" + + # If the last portion added has no slash in it, the list is done + case $my_directory_path in */*) ;; *) break ;; esac + + # ...otherwise throw away the child directory and loop + my_directory_path=`$ECHO "X$my_directory_path" | $Xsed -e "$dirname"` + done + my_dir_list=`$ECHO "X$my_dir_list" | $Xsed -e 's,:*$,,'` + + save_mkdir_p_IFS="$IFS"; IFS=':' + for my_dir in $my_dir_list; do + IFS="$save_mkdir_p_IFS" + # mkdir can fail with a `File exist' error if two processes + # try to create one of the directories concurrently. Don't + # stop in that case! + $MKDIR "$my_dir" 2>/dev/null || : + done + IFS="$save_mkdir_p_IFS" + + # Bail out if we (or some other process) failed to create a directory. + test -d "$my_directory_path" || \ + func_fatal_error "Failed to create \`$1'" + fi +} + + +# func_mktempdir [string] +# Make a temporary directory that won't clash with other running +# libtool processes, and avoids race conditions if possible. If +# given, STRING is the basename for that directory. +func_mktempdir () +{ + my_template="${TMPDIR-/tmp}/${1-$progname}" + + if test "$opt_dry_run" = ":"; then + # Return a directory name, but don't create it in dry-run mode + my_tmpdir="${my_template}-$$" + else + + # If mktemp works, use that first and foremost + my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` + + if test ! -d "$my_tmpdir"; then + # Failing that, at least try and use $RANDOM to avoid a race + my_tmpdir="${my_template}-${RANDOM-0}$$" + + save_mktempdir_umask=`umask` + umask 0077 + $MKDIR "$my_tmpdir" + umask $save_mktempdir_umask + fi + + # If we're not in dry-run mode, bomb out on failure + test -d "$my_tmpdir" || \ + func_fatal_error "cannot create temporary directory \`$my_tmpdir'" + fi + + $ECHO "X$my_tmpdir" | $Xsed +} + + +# func_quote_for_eval arg +# Aesthetically quote ARG to be evaled later. +# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT +# is double-quoted, suitable for a subsequent eval, whereas +# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters +# which are still active within double quotes backslashified. +func_quote_for_eval () +{ + case $1 in + *[\\\`\"\$]*) + func_quote_for_eval_unquoted_result=`$ECHO "X$1" | $Xsed -e "$sed_quote_subst"` ;; + *) + func_quote_for_eval_unquoted_result="$1" ;; + esac + + case $func_quote_for_eval_unquoted_result in + # Double-quote args containing shell metacharacters to delay + # word splitting, command substitution and and variable + # expansion for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" + ;; + *) + func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" + esac +} + + +# func_quote_for_expand arg +# Aesthetically quote ARG to be evaled later; same as above, +# but do not quote variable references. +func_quote_for_expand () +{ + case $1 in + *[\\\`\"]*) + my_arg=`$ECHO "X$1" | $Xsed \ + -e "$double_quote_subst" -e "$sed_double_backslash"` ;; + *) + my_arg="$1" ;; + esac + + case $my_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting and command substitution for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + my_arg="\"$my_arg\"" + ;; + esac + + func_quote_for_expand_result="$my_arg" +} + + +# func_show_eval cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. +func_show_eval () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$my_cmd" + my_status=$? + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + + +# func_show_eval_locale cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. Use the saved locale for evaluation. +func_show_eval_locale () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$lt_user_locale + $my_cmd" + my_status=$? + eval "$lt_safe_locale" + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + + + + + +# func_version +# Echo version message to standard output and exit. +func_version () +{ + $SED -n '/^# '$PROGRAM' (GNU /,/# warranty; / { + s/^# // + s/^# *$// + s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ + p + }' < "$progpath" + exit $? +} + +# func_usage +# Echo short help message to standard output and exit. +func_usage () +{ + $SED -n '/^# Usage:/,/# -h/ { + s/^# // + s/^# *$// + s/\$progname/'$progname'/ + p + }' < "$progpath" + $ECHO + $ECHO "run \`$progname --help | more' for full usage" + exit $? +} + +# func_help +# Echo long help message to standard output and exit. +func_help () +{ + $SED -n '/^# Usage:/,/# Report bugs to/ { + s/^# // + s/^# *$// + s*\$progname*'$progname'* + s*\$host*'"$host"'* + s*\$SHELL*'"$SHELL"'* + s*\$LTCC*'"$LTCC"'* + s*\$LTCFLAGS*'"$LTCFLAGS"'* + s*\$LD*'"$LD"'* + s/\$with_gnu_ld/'"$with_gnu_ld"'/ + s/\$automake_version/'"`(automake --version) 2>/dev/null |$SED 1q`"'/ + s/\$autoconf_version/'"`(autoconf --version) 2>/dev/null |$SED 1q`"'/ + p + }' < "$progpath" + exit $? +} + +# func_missing_arg argname +# Echo program name prefixed message to standard error and set global +# exit_cmd. +func_missing_arg () +{ + func_error "missing argument for $1" + exit_cmd=exit +} + +exit_cmd=: + + + + + +# Check that we have a working $ECHO. +if test "X$1" = X--no-reexec; then + # Discard the --no-reexec flag, and continue. + shift +elif test "X$1" = X--fallback-echo; then + # Avoid inline document here, it may be left over + : +elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t'; then + # Yippee, $ECHO works! + : +else + # Restart under the correct shell, and then maybe $ECHO will work. + exec $SHELL "$progpath" --no-reexec ${1+"$@"} +fi + +if test "X$1" = X--fallback-echo; then + # used as fallback echo + shift + cat </dev/null 2>&1; then + taglist="$taglist $tagname" + + # Evaluate the configuration. Be careful to quote the path + # and the sed script, to avoid splitting on whitespace, but + # also don't use non-portable quotes within backquotes within + # quotes we have to do it in 2 steps: + extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` + eval "$extractedcf" + else + func_error "ignoring unknown tag $tagname" + fi + ;; + esac +} + +# Parse options once, thoroughly. This comes as soon as possible in +# the script to make things like `libtool --version' happen quickly. +{ + + # Shorthand for --mode=foo, only valid as the first argument + case $1 in + clean|clea|cle|cl) + shift; set dummy --mode clean ${1+"$@"}; shift + ;; + compile|compil|compi|comp|com|co|c) + shift; set dummy --mode compile ${1+"$@"}; shift + ;; + execute|execut|execu|exec|exe|ex|e) + shift; set dummy --mode execute ${1+"$@"}; shift + ;; + finish|finis|fini|fin|fi|f) + shift; set dummy --mode finish ${1+"$@"}; shift + ;; + install|instal|insta|inst|ins|in|i) + shift; set dummy --mode install ${1+"$@"}; shift + ;; + link|lin|li|l) + shift; set dummy --mode link ${1+"$@"}; shift + ;; + uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) + shift; set dummy --mode uninstall ${1+"$@"}; shift + ;; + esac + + # Parse non-mode specific arguments: + while test "$#" -gt 0; do + opt="$1" + shift + + case $opt in + --config) func_config ;; + + --debug) preserve_args="$preserve_args $opt" + func_echo "enabling shell trace mode" + opt_debug='set -x' + $opt_debug + ;; + + -dlopen) test "$#" -eq 0 && func_missing_arg "$opt" && break + execute_dlfiles="$execute_dlfiles $1" + shift + ;; + + --dry-run | -n) opt_dry_run=: ;; + --features) func_features ;; + --finish) mode="finish" ;; + + --mode) test "$#" -eq 0 && func_missing_arg "$opt" && break + case $1 in + # Valid mode arguments: + clean) ;; + compile) ;; + execute) ;; + finish) ;; + install) ;; + link) ;; + relink) ;; + uninstall) ;; + + # Catch anything else as an error + *) func_error "invalid argument for $opt" + exit_cmd=exit + break + ;; + esac + + mode="$1" + shift + ;; + + --preserve-dup-deps) + opt_duplicate_deps=: ;; + + --quiet|--silent) preserve_args="$preserve_args $opt" + opt_silent=: + ;; + + --verbose| -v) preserve_args="$preserve_args $opt" + opt_silent=false + ;; + + --tag) test "$#" -eq 0 && func_missing_arg "$opt" && break + preserve_args="$preserve_args $opt $1" + func_enable_tag "$1" # tagname is set here + shift + ;; + + # Separate optargs to long options: + -dlopen=*|--mode=*|--tag=*) + func_opt_split "$opt" + set dummy "$func_opt_split_opt" "$func_opt_split_arg" ${1+"$@"} + shift + ;; + + -\?|-h) func_usage ;; + --help) opt_help=: ;; + --version) func_version ;; + + -*) func_fatal_help "unrecognized option \`$opt'" ;; + + *) nonopt="$opt" + break + ;; + esac + done + + + case $host in + *cygwin* | *mingw* | *pw32* | *cegcc*) + # don't eliminate duplications in $postdeps and $predeps + opt_duplicate_compiler_generated_deps=: + ;; + *) + opt_duplicate_compiler_generated_deps=$opt_duplicate_deps + ;; + esac + + # Having warned about all mis-specified options, bail out if + # anything was wrong. + $exit_cmd $EXIT_FAILURE +} + +# func_check_version_match +# Ensure that we are using m4 macros, and libtool script from the same +# release of libtool. +func_check_version_match () +{ + if test "$package_revision" != "$macro_revision"; then + if test "$VERSION" != "$macro_version"; then + if test -z "$macro_version"; then + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from an older release. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + fi + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, +$progname: but the definition of this LT_INIT comes from revision $macro_revision. +$progname: You should recreate aclocal.m4 with macros from revision $package_revision +$progname: of $PACKAGE $VERSION and run autoconf again. +_LT_EOF + fi + + exit $EXIT_MISMATCH + fi +} + + +## ----------- ## +## Main. ## +## ----------- ## + +$opt_help || { + # Sanity checks first: + func_check_version_match + + if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then + func_fatal_configuration "not configured to build any kind of library" + fi + + test -z "$mode" && func_fatal_error "error: you must specify a MODE." + + + # Darwin sucks + eval std_shrext=\"$shrext_cmds\" + + + # Only execute mode is allowed to have -dlopen flags. + if test -n "$execute_dlfiles" && test "$mode" != execute; then + func_error "unrecognized option \`-dlopen'" + $ECHO "$help" 1>&2 + exit $EXIT_FAILURE + fi + + # Change the help message to a mode-specific one. + generic_help="$help" + help="Try \`$progname --help --mode=$mode' for more information." +} + + +# func_lalib_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_lalib_p () +{ + test -f "$1" && + $SED -e 4q "$1" 2>/dev/null \ + | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 +} + +# func_lalib_unsafe_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function implements the same check as func_lalib_p without +# resorting to external programs. To this end, it redirects stdin and +# closes it afterwards, without saving the original file descriptor. +# As a safety measure, use it only where a negative result would be +# fatal anyway. Works if `file' does not exist. +func_lalib_unsafe_p () +{ + lalib_p=no + if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then + for lalib_p_l in 1 2 3 4 + do + read lalib_p_line + case "$lalib_p_line" in + \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; + esac + done + exec 0<&5 5<&- + fi + test "$lalib_p" = yes +} + +# func_ltwrapper_script_p file +# True iff FILE is a libtool wrapper script +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_script_p () +{ + func_lalib_p "$1" +} + +# func_ltwrapper_executable_p file +# True iff FILE is a libtool wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_executable_p () +{ + func_ltwrapper_exec_suffix= + case $1 in + *.exe) ;; + *) func_ltwrapper_exec_suffix=.exe ;; + esac + $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 +} + +# func_ltwrapper_scriptname file +# Assumes file is an ltwrapper_executable +# uses $file to determine the appropriate filename for a +# temporary ltwrapper_script. +func_ltwrapper_scriptname () +{ + func_ltwrapper_scriptname_result="" + if func_ltwrapper_executable_p "$1"; then + func_dirname_and_basename "$1" "" "." + func_stripname '' '.exe' "$func_basename_result" + func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" + fi +} + +# func_ltwrapper_p file +# True iff FILE is a libtool wrapper script or wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_p () +{ + func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" +} + + +# func_execute_cmds commands fail_cmd +# Execute tilde-delimited COMMANDS. +# If FAIL_CMD is given, eval that upon failure. +# FAIL_CMD may read-access the current command in variable CMD! +func_execute_cmds () +{ + $opt_debug + save_ifs=$IFS; IFS='~' + for cmd in $1; do + IFS=$save_ifs + eval cmd=\"$cmd\" + func_show_eval "$cmd" "${2-:}" + done + IFS=$save_ifs +} + + +# func_source file +# Source FILE, adding directory component if necessary. +# Note that it is not necessary on cygwin/mingw to append a dot to +# FILE even if both FILE and FILE.exe exist: automatic-append-.exe +# behavior happens only for exec(3), not for open(2)! Also, sourcing +# `FILE.' does not work on cygwin managed mounts. +func_source () +{ + $opt_debug + case $1 in + */* | *\\*) . "$1" ;; + *) . "./$1" ;; + esac +} + + +# func_infer_tag arg +# Infer tagged configuration to use if any are available and +# if one wasn't chosen via the "--tag" command line option. +# Only attempt this if the compiler in the base compile +# command doesn't match the default compiler. +# arg is usually of the form 'gcc ...' +func_infer_tag () +{ + $opt_debug + if test -n "$available_tags" && test -z "$tagname"; then + CC_quoted= + for arg in $CC; do + func_quote_for_eval "$arg" + CC_quoted="$CC_quoted $func_quote_for_eval_result" + done + case $@ in + # Blanks in the command may have been stripped by the calling shell, + # but not from the CC environment variable when configure was run. + " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) ;; + # Blanks at the start of $base_compile will cause this to fail + # if we don't check for them as well. + *) + for z in $available_tags; do + if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then + # Evaluate the configuration. + eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" + CC_quoted= + for arg in $CC; do + # Double-quote args containing other shell metacharacters. + func_quote_for_eval "$arg" + CC_quoted="$CC_quoted $func_quote_for_eval_result" + done + case "$@ " in + " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) + # The compiler in the base compile command matches + # the one in the tagged configuration. + # Assume this is the tagged configuration we want. + tagname=$z + break + ;; + esac + fi + done + # If $tagname still isn't set, then no tagged configuration + # was found and let the user know that the "--tag" command + # line option must be used. + if test -z "$tagname"; then + func_echo "unable to infer tagged configuration" + func_fatal_error "specify a tag with \`--tag'" +# else +# func_verbose "using $tagname tagged configuration" + fi + ;; + esac + fi +} + + + +# func_write_libtool_object output_name pic_name nonpic_name +# Create a libtool object file (analogous to a ".la" file), +# but don't create it if we're doing a dry run. +func_write_libtool_object () +{ + write_libobj=${1} + if test "$build_libtool_libs" = yes; then + write_lobj=\'${2}\' + else + write_lobj=none + fi + + if test "$build_old_libs" = yes; then + write_oldobj=\'${3}\' + else + write_oldobj=none + fi + + $opt_dry_run || { + cat >${write_libobj}T <?"'"'"' &()|`$[]' \ + && func_warning "libobj name \`$libobj' may not contain shell special characters." + func_dirname_and_basename "$obj" "/" "" + objname="$func_basename_result" + xdir="$func_dirname_result" + lobj=${xdir}$objdir/$objname + + test -z "$base_compile" && \ + func_fatal_help "you must specify a compilation command" + + # Delete any leftover library objects. + if test "$build_old_libs" = yes; then + removelist="$obj $lobj $libobj ${libobj}T" + else + removelist="$lobj $libobj ${libobj}T" + fi + + # On Cygwin there's no "real" PIC flag so we must build both object types + case $host_os in + cygwin* | mingw* | pw32* | os2* | cegcc*) + pic_mode=default + ;; + esac + if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then + # non-PIC code in shared libraries is not supported + pic_mode=default + fi + + # Calculate the filename of the output object if compiler does + # not support -o with -c + if test "$compiler_c_o" = no; then + output_obj=`$ECHO "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext} + lockfile="$output_obj.lock" + else + output_obj= + need_locks=no + lockfile= + fi + + # Lock this critical section if it is needed + # We use this script file to make the link, it avoids creating a new file + if test "$need_locks" = yes; then + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + elif test "$need_locks" = warn; then + if test -f "$lockfile"; then + $ECHO "\ +*** ERROR, $lockfile exists and contains: +`cat $lockfile 2>/dev/null` + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + removelist="$removelist $output_obj" + $ECHO "$srcfile" > "$lockfile" + fi + + $opt_dry_run || $RM $removelist + removelist="$removelist $lockfile" + trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 + + if test -n "$fix_srcfile_path"; then + eval srcfile=\"$fix_srcfile_path\" + fi + func_quote_for_eval "$srcfile" + qsrcfile=$func_quote_for_eval_result + + # Only build a PIC object if we are building libtool libraries. + if test "$build_libtool_libs" = yes; then + # Without this assignment, base_compile gets emptied. + fbsd_hideous_sh_bug=$base_compile + + if test "$pic_mode" != no; then + command="$base_compile $qsrcfile $pic_flag" + else + # Don't build PIC code + command="$base_compile $qsrcfile" + fi + + func_mkdir_p "$xdir$objdir" + + if test -z "$output_obj"; then + # Place PIC objects in $objdir + command="$command -o $lobj" + fi + + func_show_eval_locale "$command" \ + 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed, then go on to compile the next one + if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then + func_show_eval '$MV "$output_obj" "$lobj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + + # Allow error messages only from the first compilation. + if test "$suppress_opt" = yes; then + suppress_output=' >/dev/null 2>&1' + fi + fi + + # Only build a position-dependent object if we build old libraries. + if test "$build_old_libs" = yes; then + if test "$pic_mode" != yes; then + # Don't build PIC code + command="$base_compile $qsrcfile$pie_flag" + else + command="$base_compile $qsrcfile $pic_flag" + fi + if test "$compiler_c_o" = yes; then + command="$command -o $obj" + fi + + # Suppress compiler output if we already did a PIC compilation. + command="$command$suppress_output" + func_show_eval_locale "$command" \ + '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed + if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then + func_show_eval '$MV "$output_obj" "$obj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + fi + + $opt_dry_run || { + func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" + + # Unlock the critical section if it was locked + if test "$need_locks" != no; then + removelist=$lockfile + $RM "$lockfile" + fi + } + + exit $EXIT_SUCCESS +} + +$opt_help || { +test "$mode" = compile && func_mode_compile ${1+"$@"} +} + +func_mode_help () +{ + # We need to display help for each of the modes. + case $mode in + "") + # Generic help is extracted from the usage comments + # at the start of this file. + func_help + ;; + + clean) + $ECHO \ +"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... + +Remove files from the build directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, object or program, all the files associated +with it are deleted. Otherwise, only FILE itself is deleted using RM." + ;; + + compile) + $ECHO \ +"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE + +Compile a source file into a libtool library object. + +This mode accepts the following additional options: + + -o OUTPUT-FILE set the output file name to OUTPUT-FILE + -no-suppress do not suppress compiler output for multiple passes + -prefer-pic try to building PIC objects only + -prefer-non-pic try to building non-PIC objects only + -shared do not build a \`.o' file suitable for static linking + -static only build a \`.o' file suitable for static linking + +COMPILE-COMMAND is a command to be used in creating a \`standard' object file +from the given SOURCEFILE. + +The output file name is determined by removing the directory component from +SOURCEFILE, then substituting the C source code suffix \`.c' with the +library object suffix, \`.lo'." + ;; + + execute) + $ECHO \ +"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... + +Automatically set library path, then run a program. + +This mode accepts the following additional options: + + -dlopen FILE add the directory containing FILE to the library path + +This mode sets the library path environment variable according to \`-dlopen' +flags. + +If any of the ARGS are libtool executable wrappers, then they are translated +into their corresponding uninstalled binary, and any of their required library +directories are added to the library path. + +Then, COMMAND is executed, with ARGS as arguments." + ;; + + finish) + $ECHO \ +"Usage: $progname [OPTION]... --mode=finish [LIBDIR]... + +Complete the installation of libtool libraries. + +Each LIBDIR is a directory that contains libtool libraries. + +The commands that this mode executes may require superuser privileges. Use +the \`--dry-run' option if you just want to see what would be executed." + ;; + + install) + $ECHO \ +"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... + +Install executables or libraries. + +INSTALL-COMMAND is the installation command. The first component should be +either the \`install' or \`cp' program. + +The following components of INSTALL-COMMAND are treated specially: + + -inst-prefix PREFIX-DIR Use PREFIX-DIR as a staging area for installation + +The rest of the components are interpreted as arguments to that command (only +BSD-compatible install options are recognized)." + ;; + + link) + $ECHO \ +"Usage: $progname [OPTION]... --mode=link LINK-COMMAND... + +Link object files or libraries together to form another library, or to +create an executable program. + +LINK-COMMAND is a command using the C compiler that you would use to create +a program from several object files. + +The following components of LINK-COMMAND are treated specially: + + -all-static do not do any dynamic linking at all + -avoid-version do not add a version suffix if possible + -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime + -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols + -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) + -export-symbols SYMFILE + try to export only the symbols listed in SYMFILE + -export-symbols-regex REGEX + try to export only the symbols matching REGEX + -LLIBDIR search LIBDIR for required installed libraries + -lNAME OUTPUT-FILE requires the installed library libNAME + -module build a library that can dlopened + -no-fast-install disable the fast-install mode + -no-install link a not-installable executable + -no-undefined declare that a library does not refer to external symbols + -o OUTPUT-FILE create OUTPUT-FILE from the specified objects + -objectlist FILE Use a list of object files found in FILE to specify objects + -precious-files-regex REGEX + don't remove output files matching REGEX + -release RELEASE specify package release information + -rpath LIBDIR the created library will eventually be installed in LIBDIR + -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries + -shared only do dynamic linking of libtool libraries + -shrext SUFFIX override the standard shared library file extension + -static do not do any dynamic linking of uninstalled libtool libraries + -static-libtool-libs + do not do any dynamic linking of libtool libraries + -version-info CURRENT[:REVISION[:AGE]] + specify library version info [each variable defaults to 0] + -weak LIBNAME declare that the target provides the LIBNAME interface + +All other options (arguments beginning with \`-') are ignored. + +Every other argument is treated as a filename. Files ending in \`.la' are +treated as uninstalled libtool libraries, other files are standard or library +object files. + +If the OUTPUT-FILE ends in \`.la', then a libtool library is created, +only library objects (\`.lo' files) may be specified, and \`-rpath' is +required, except when creating a convenience library. + +If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created +using \`ar' and \`ranlib', or on Windows using \`lib'. + +If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file +is created, otherwise an executable program is created." + ;; + + uninstall) + $ECHO \ +"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... + +Remove libraries from an installation directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, all the files associated with it are deleted. +Otherwise, only FILE itself is deleted using RM." + ;; + + *) + func_fatal_help "invalid operation mode \`$mode'" + ;; + esac + + $ECHO + $ECHO "Try \`$progname --help' for more information about other modes." + + exit $? +} + + # Now that we've collected a possible --mode arg, show help if necessary + $opt_help && func_mode_help + + +# func_mode_execute arg... +func_mode_execute () +{ + $opt_debug + # The first argument is the command name. + cmd="$nonopt" + test -z "$cmd" && \ + func_fatal_help "you must specify a COMMAND" + + # Handle -dlopen flags immediately. + for file in $execute_dlfiles; do + test -f "$file" \ + || func_fatal_help "\`$file' is not a file" + + dir= + case $file in + *.la) + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$lib' is not a valid libtool archive" + + # Read the libtool library. + dlname= + library_names= + func_source "$file" + + # Skip this library if it cannot be dlopened. + if test -z "$dlname"; then + # Warn if it was a shared library. + test -n "$library_names" && \ + func_warning "\`$file' was not linked with \`-export-dynamic'" + continue + fi + + func_dirname "$file" "" "." + dir="$func_dirname_result" + + if test -f "$dir/$objdir/$dlname"; then + dir="$dir/$objdir" + else + if test ! -f "$dir/$dlname"; then + func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" + fi + fi + ;; + + *.lo) + # Just add the directory containing the .lo file. + func_dirname "$file" "" "." + dir="$func_dirname_result" + ;; + + *) + func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" + continue + ;; + esac + + # Get the absolute pathname. + absdir=`cd "$dir" && pwd` + test -n "$absdir" && dir="$absdir" + + # Now add the directory to shlibpath_var. + if eval "test -z \"\$$shlibpath_var\""; then + eval "$shlibpath_var=\"\$dir\"" + else + eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" + fi + done + + # This variable tells wrapper scripts just to set shlibpath_var + # rather than running their programs. + libtool_execute_magic="$magic" + + # Check if any of the arguments is a wrapper script. + args= + for file + do + case $file in + -*) ;; + *) + # Do a test to see if this is really a libtool program. + if func_ltwrapper_script_p "$file"; then + func_source "$file" + # Transform arg to wrapped name. + file="$progdir/$program" + elif func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + func_source "$func_ltwrapper_scriptname_result" + # Transform arg to wrapped name. + file="$progdir/$program" + fi + ;; + esac + # Quote arguments (to preserve shell metacharacters). + func_quote_for_eval "$file" + args="$args $func_quote_for_eval_result" + done + + if test "X$opt_dry_run" = Xfalse; then + if test -n "$shlibpath_var"; then + # Export the shlibpath_var. + eval "export $shlibpath_var" + fi + + # Restore saved environment variables + for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES + do + eval "if test \"\${save_$lt_var+set}\" = set; then + $lt_var=\$save_$lt_var; export $lt_var + else + $lt_unset $lt_var + fi" + done + + # Now prepare to actually exec the command. + exec_cmd="\$cmd$args" + else + # Display what would be done. + if test -n "$shlibpath_var"; then + eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" + $ECHO "export $shlibpath_var" + fi + $ECHO "$cmd$args" + exit $EXIT_SUCCESS + fi +} + +test "$mode" = execute && func_mode_execute ${1+"$@"} + + +# func_mode_finish arg... +func_mode_finish () +{ + $opt_debug + libdirs="$nonopt" + admincmds= + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + for dir + do + libdirs="$libdirs $dir" + done + + for libdir in $libdirs; do + if test -n "$finish_cmds"; then + # Do each command in the finish commands. + func_execute_cmds "$finish_cmds" 'admincmds="$admincmds +'"$cmd"'"' + fi + if test -n "$finish_eval"; then + # Do the single finish_eval. + eval cmds=\"$finish_eval\" + $opt_dry_run || eval "$cmds" || admincmds="$admincmds + $cmds" + fi + done + fi + + # Exit here if they wanted silent mode. + $opt_silent && exit $EXIT_SUCCESS + + $ECHO "X----------------------------------------------------------------------" | $Xsed + $ECHO "Libraries have been installed in:" + for libdir in $libdirs; do + $ECHO " $libdir" + done + $ECHO + $ECHO "If you ever happen to want to link against installed libraries" + $ECHO "in a given directory, LIBDIR, you must either use libtool, and" + $ECHO "specify the full pathname of the library, or use the \`-LLIBDIR'" + $ECHO "flag during linking and do at least one of the following:" + if test -n "$shlibpath_var"; then + $ECHO " - add LIBDIR to the \`$shlibpath_var' environment variable" + $ECHO " during execution" + fi + if test -n "$runpath_var"; then + $ECHO " - add LIBDIR to the \`$runpath_var' environment variable" + $ECHO " during linking" + fi + if test -n "$hardcode_libdir_flag_spec"; then + libdir=LIBDIR + eval flag=\"$hardcode_libdir_flag_spec\" + + $ECHO " - use the \`$flag' linker flag" + fi + if test -n "$admincmds"; then + $ECHO " - have your system administrator run these commands:$admincmds" + fi + if test -f /etc/ld.so.conf; then + $ECHO " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" + fi + $ECHO + + $ECHO "See any operating system documentation about shared libraries for" + case $host in + solaris2.[6789]|solaris2.1[0-9]) + $ECHO "more information, such as the ld(1), crle(1) and ld.so(8) manual" + $ECHO "pages." + ;; + *) + $ECHO "more information, such as the ld(1) and ld.so(8) manual pages." + ;; + esac + $ECHO "X----------------------------------------------------------------------" | $Xsed + exit $EXIT_SUCCESS +} + +test "$mode" = finish && func_mode_finish ${1+"$@"} + + +# func_mode_install arg... +func_mode_install () +{ + $opt_debug + # There may be an optional sh(1) argument at the beginning of + # install_prog (especially on Windows NT). + if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || + # Allow the use of GNU shtool's install command. + $ECHO "X$nonopt" | $GREP shtool >/dev/null; then + # Aesthetically quote it. + func_quote_for_eval "$nonopt" + install_prog="$func_quote_for_eval_result " + arg=$1 + shift + else + install_prog= + arg=$nonopt + fi + + # The real first argument should be the name of the installation program. + # Aesthetically quote it. + func_quote_for_eval "$arg" + install_prog="$install_prog$func_quote_for_eval_result" + + # We need to accept at least all the BSD install flags. + dest= + files= + opts= + prev= + install_type= + isdir=no + stripme= + for arg + do + if test -n "$dest"; then + files="$files $dest" + dest=$arg + continue + fi + + case $arg in + -d) isdir=yes ;; + -f) + case " $install_prog " in + *[\\\ /]cp\ *) ;; + *) prev=$arg ;; + esac + ;; + -g | -m | -o) + prev=$arg + ;; + -s) + stripme=" -s" + continue + ;; + -*) + ;; + *) + # If the previous option needed an argument, then skip it. + if test -n "$prev"; then + prev= + else + dest=$arg + continue + fi + ;; + esac + + # Aesthetically quote the argument. + func_quote_for_eval "$arg" + install_prog="$install_prog $func_quote_for_eval_result" + done + + test -z "$install_prog" && \ + func_fatal_help "you must specify an install program" + + test -n "$prev" && \ + func_fatal_help "the \`$prev' option requires an argument" + + if test -z "$files"; then + if test -z "$dest"; then + func_fatal_help "no file or destination specified" + else + func_fatal_help "you must specify a destination" + fi + fi + + # Strip any trailing slash from the destination. + func_stripname '' '/' "$dest" + dest=$func_stripname_result + + # Check to see that the destination is a directory. + test -d "$dest" && isdir=yes + if test "$isdir" = yes; then + destdir="$dest" + destname= + else + func_dirname_and_basename "$dest" "" "." + destdir="$func_dirname_result" + destname="$func_basename_result" + + # Not a directory, so check to see that there is only one file specified. + set dummy $files; shift + test "$#" -gt 1 && \ + func_fatal_help "\`$dest' is not a directory" + fi + case $destdir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + for file in $files; do + case $file in + *.lo) ;; + *) + func_fatal_help "\`$destdir' must be an absolute directory name" + ;; + esac + done + ;; + esac + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + staticlibs= + future_libdirs= + current_libdirs= + for file in $files; do + + # Do each installation. + case $file in + *.$libext) + # Do the static libraries later. + staticlibs="$staticlibs $file" + ;; + + *.la) + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$file' is not a valid libtool archive" + + library_names= + old_library= + relink_command= + func_source "$file" + + # Add the libdir to current_libdirs if it is the destination. + if test "X$destdir" = "X$libdir"; then + case "$current_libdirs " in + *" $libdir "*) ;; + *) current_libdirs="$current_libdirs $libdir" ;; + esac + else + # Note the libdir as a future libdir. + case "$future_libdirs " in + *" $libdir "*) ;; + *) future_libdirs="$future_libdirs $libdir" ;; + esac + fi + + func_dirname "$file" "/" "" + dir="$func_dirname_result" + dir="$dir$objdir" + + if test -n "$relink_command"; then + # Determine the prefix the user has applied to our future dir. + inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$libdir\$%%"` + + # Don't allow the user to place us outside of our expected + # location b/c this prevents finding dependent libraries that + # are installed to the same prefix. + # At present, this check doesn't affect windows .dll's that + # are installed into $libdir/../bin (currently, that works fine) + # but it's something to keep an eye on. + test "$inst_prefix_dir" = "$destdir" && \ + func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" + + if test -n "$inst_prefix_dir"; then + # Stick the inst_prefix_dir data into the link command. + relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` + else + relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%%"` + fi + + func_warning "relinking \`$file'" + func_show_eval "$relink_command" \ + 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' + fi + + # See the names of the shared library. + set dummy $library_names; shift + if test -n "$1"; then + realname="$1" + shift + + srcname="$realname" + test -n "$relink_command" && srcname="$realname"T + + # Install the shared library and build the symlinks. + func_show_eval "$install_prog $dir/$srcname $destdir/$realname" \ + 'exit $?' + tstripme="$stripme" + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + case $realname in + *.dll.a) + tstripme="" + ;; + esac + ;; + esac + if test -n "$tstripme" && test -n "$striplib"; then + func_show_eval "$striplib $destdir/$realname" 'exit $?' + fi + + if test "$#" -gt 0; then + # Delete the old symlinks, and create new ones. + # Try `ln -sf' first, because the `ln' binary might depend on + # the symlink we replace! Solaris /bin/ln does not understand -f, + # so we also need to try rm && ln -s. + for linkname + do + test "$linkname" != "$realname" \ + && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" + done + fi + + # Do each command in the postinstall commands. + lib="$destdir/$realname" + func_execute_cmds "$postinstall_cmds" 'exit $?' + fi + + # Install the pseudo-library for information purposes. + func_basename "$file" + name="$func_basename_result" + instname="$dir/$name"i + func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' + + # Maybe install the static library, too. + test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library" + ;; + + *.lo) + # Install (i.e. copy) a libtool object. + + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # Deduce the name of the destination old-style object file. + case $destfile in + *.lo) + func_lo2o "$destfile" + staticdest=$func_lo2o_result + ;; + *.$objext) + staticdest="$destfile" + destfile= + ;; + *) + func_fatal_help "cannot copy a libtool object to \`$destfile'" + ;; + esac + + # Install the libtool object if requested. + test -n "$destfile" && \ + func_show_eval "$install_prog $file $destfile" 'exit $?' + + # Install the old object if enabled. + if test "$build_old_libs" = yes; then + # Deduce the name of the old-style object file. + func_lo2o "$file" + staticobj=$func_lo2o_result + func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' + fi + exit $EXIT_SUCCESS + ;; + + *) + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # If the file is missing, and there is a .exe on the end, strip it + # because it is most likely a libtool script we actually want to + # install + stripped_ext="" + case $file in + *.exe) + if test ! -f "$file"; then + func_stripname '' '.exe' "$file" + file=$func_stripname_result + stripped_ext=".exe" + fi + ;; + esac + + # Do a test to see if this is really a libtool program. + case $host in + *cygwin* | *mingw*) + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + wrapper=$func_ltwrapper_scriptname_result + else + func_stripname '' '.exe' "$file" + wrapper=$func_stripname_result + fi + ;; + *) + wrapper=$file + ;; + esac + if func_ltwrapper_script_p "$wrapper"; then + notinst_deplibs= + relink_command= + + func_source "$wrapper" + + # Check the variables that should have been set. + test -z "$generated_by_libtool_version" && \ + func_fatal_error "invalid libtool wrapper script \`$wrapper'" + + finalize=yes + for lib in $notinst_deplibs; do + # Check to see that each library is installed. + libdir= + if test -f "$lib"; then + func_source "$lib" + fi + libfile="$libdir/"`$ECHO "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test + if test -n "$libdir" && test ! -f "$libfile"; then + func_warning "\`$lib' has not been installed in \`$libdir'" + finalize=no + fi + done + + relink_command= + func_source "$wrapper" + + outputname= + if test "$fast_install" = no && test -n "$relink_command"; then + $opt_dry_run || { + if test "$finalize" = yes; then + tmpdir=`func_mktempdir` + func_basename "$file$stripped_ext" + file="$func_basename_result" + outputname="$tmpdir/$file" + # Replace the output file specification. + relink_command=`$ECHO "X$relink_command" | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g'` + + $opt_silent || { + func_quote_for_expand "$relink_command" + eval "func_echo $func_quote_for_expand_result" + } + if eval "$relink_command"; then : + else + func_error "error: relink \`$file' with the above command before installing it" + $opt_dry_run || ${RM}r "$tmpdir" + continue + fi + file="$outputname" + else + func_warning "cannot relink \`$file'" + fi + } + else + # Install the binary that we compiled earlier. + file=`$ECHO "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"` + fi + fi + + # remove .exe since cygwin /usr/bin/install will append another + # one anyway + case $install_prog,$host in + */usr/bin/install*,*cygwin*) + case $file:$destfile in + *.exe:*.exe) + # this is ok + ;; + *.exe:*) + destfile=$destfile.exe + ;; + *:*.exe) + func_stripname '' '.exe' "$destfile" + destfile=$func_stripname_result + ;; + esac + ;; + esac + func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' + $opt_dry_run || if test -n "$outputname"; then + ${RM}r "$tmpdir" + fi + ;; + esac + done + + for file in $staticlibs; do + func_basename "$file" + name="$func_basename_result" + + # Set up the ranlib parameters. + oldlib="$destdir/$name" + + func_show_eval "$install_prog \$file \$oldlib" 'exit $?' + + if test -n "$stripme" && test -n "$old_striplib"; then + func_show_eval "$old_striplib $oldlib" 'exit $?' + fi + + # Do each command in the postinstall commands. + func_execute_cmds "$old_postinstall_cmds" 'exit $?' + done + + test -n "$future_libdirs" && \ + func_warning "remember to run \`$progname --finish$future_libdirs'" + + if test -n "$current_libdirs"; then + # Maybe just do a dry run. + $opt_dry_run && current_libdirs=" -n$current_libdirs" + exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' + else + exit $EXIT_SUCCESS + fi +} + +test "$mode" = install && func_mode_install ${1+"$@"} + + +# func_generate_dlsyms outputname originator pic_p +# Extract symbols from dlprefiles and create ${outputname}S.o with +# a dlpreopen symbol table. +func_generate_dlsyms () +{ + $opt_debug + my_outputname="$1" + my_originator="$2" + my_pic_p="${3-no}" + my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` + my_dlsyms= + + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + if test -n "$NM" && test -n "$global_symbol_pipe"; then + my_dlsyms="${my_outputname}S.c" + else + func_error "not configured to extract global symbols from dlpreopened files" + fi + fi + + if test -n "$my_dlsyms"; then + case $my_dlsyms in + "") ;; + *.c) + # Discover the nlist of each of the dlfiles. + nlist="$output_objdir/${my_outputname}.nm" + + func_show_eval "$RM $nlist ${nlist}S ${nlist}T" + + # Parse the name list into a source file. + func_verbose "creating $output_objdir/$my_dlsyms" + + $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ +/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ +/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ + +#ifdef __cplusplus +extern \"C\" { +#endif + +/* External symbol declarations for the compiler. */\ +" + + if test "$dlself" = yes; then + func_verbose "generating symbol list for \`$output'" + + $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" + + # Add our own program objects to the symbol list. + progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` + for progfile in $progfiles; do + func_verbose "extracting global C symbols from \`$progfile'" + $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'" + done + + if test -n "$exclude_expsyms"; then + $opt_dry_run || { + eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + if test -n "$export_symbols_regex"; then + $opt_dry_run || { + eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + export_symbols="$output_objdir/$outputname.exp" + $opt_dry_run || { + $RM $export_symbols + eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' + ;; + esac + } + else + $opt_dry_run || { + eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' + eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + case $host in + *cygwin | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' + ;; + esac + } + fi + fi + + for dlprefile in $dlprefiles; do + func_verbose "extracting global C symbols from \`$dlprefile'" + func_basename "$dlprefile" + name="$func_basename_result" + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + done + + $opt_dry_run || { + # Make sure we have at least an empty file. + test -f "$nlist" || : > "$nlist" + + if test -n "$exclude_expsyms"; then + $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T + $MV "$nlist"T "$nlist" + fi + + # Try sorting and uniquifying the output. + if $GREP -v "^: " < "$nlist" | + if sort -k 3 /dev/null 2>&1; then + sort -k 3 + else + sort +2 + fi | + uniq > "$nlist"S; then + : + else + $GREP -v "^: " < "$nlist" > "$nlist"S + fi + + if test -f "$nlist"S; then + eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' + else + $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms" + fi + + $ECHO >> "$output_objdir/$my_dlsyms" "\ + +/* The mapping between symbol names and symbols. */ +typedef struct { + const char *name; + void *address; +} lt_dlsymlist; +" + case $host in + *cygwin* | *mingw* | *cegcc* ) + $ECHO >> "$output_objdir/$my_dlsyms" "\ +/* DATA imports from DLLs on WIN32 con't be const, because + runtime relocations are performed -- see ld's documentation + on pseudo-relocs. */" + lt_dlsym_const= ;; + *osf5*) + echo >> "$output_objdir/$my_dlsyms" "\ +/* This system does not cope well with relocations in const data */" + lt_dlsym_const= ;; + *) + lt_dlsym_const=const ;; + esac + + $ECHO >> "$output_objdir/$my_dlsyms" "\ +extern $lt_dlsym_const lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[]; +$lt_dlsym_const lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[] = +{\ + { \"$my_originator\", (void *) 0 }," + + case $need_lib_prefix in + no) + eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + *) + eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + esac + $ECHO >> "$output_objdir/$my_dlsyms" "\ + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt_${my_prefix}_LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif\ +" + } # !$opt_dry_run + + pic_flag_for_symtable= + case "$compile_command " in + *" -static "*) ;; + *) + case $host in + # compiling the symbol table file with pic_flag works around + # a FreeBSD bug that causes programs to crash when -lm is + # linked before any other PIC object. But we must not use + # pic_flag when linking with -static. The problem exists in + # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. + *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) + pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; + *-*-hpux*) + pic_flag_for_symtable=" $pic_flag" ;; + *) + if test "X$my_pic_p" != Xno; then + pic_flag_for_symtable=" $pic_flag" + fi + ;; + esac + ;; + esac + symtab_cflags= + for arg in $LTCFLAGS; do + case $arg in + -pie | -fpie | -fPIE) ;; + *) symtab_cflags="$symtab_cflags $arg" ;; + esac + done + + # Now compile the dynamic symbol file. + func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' + + # Clean up the generated files. + func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' + + # Transform the symbol file into the correct name. + symfileobj="$output_objdir/${my_outputname}S.$objext" + case $host in + *cygwin* | *mingw* | *cegcc* ) + if test -f "$output_objdir/$my_outputname.def"; then + compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + else + compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` + fi + ;; + *) + compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` + ;; + esac + ;; + *) + func_fatal_error "unknown suffix for \`$my_dlsyms'" + ;; + esac + else + # We keep going just in case the user didn't refer to + # lt_preloaded_symbols. The linker will fail if global_symbol_pipe + # really was required. + + # Nullify the symbol file. + compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"` + finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"` + fi +} + +# func_win32_libid arg +# return the library type of file 'arg' +# +# Need a lot of goo to handle *both* DLLs and import libs +# Has to be a shell function in order to 'eat' the argument +# that is supplied when $file_magic_command is called. +func_win32_libid () +{ + $opt_debug + win32_libid_type="unknown" + win32_fileres=`file -L $1 2>/dev/null` + case $win32_fileres in + *ar\ archive\ import\ library*) # definitely import + win32_libid_type="x86 archive import" + ;; + *ar\ archive*) # could be an import, or static + if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | + $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then + win32_nmres=`eval $NM -f posix -A $1 | + $SED -n -e ' + 1,100{ + / I /{ + s,.*,import, + p + q + } + }'` + case $win32_nmres in + import*) win32_libid_type="x86 archive import";; + *) win32_libid_type="x86 archive static";; + esac + fi + ;; + *DLL*) + win32_libid_type="x86 DLL" + ;; + *executable*) # but shell scripts are "executable" too... + case $win32_fileres in + *MS\ Windows\ PE\ Intel*) + win32_libid_type="x86 DLL" + ;; + esac + ;; + esac + $ECHO "$win32_libid_type" +} + + + +# func_extract_an_archive dir oldlib +func_extract_an_archive () +{ + $opt_debug + f_ex_an_ar_dir="$1"; shift + f_ex_an_ar_oldlib="$1" + func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?' + if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then + : + else + func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" + fi +} + + +# func_extract_archives gentop oldlib ... +func_extract_archives () +{ + $opt_debug + my_gentop="$1"; shift + my_oldlibs=${1+"$@"} + my_oldobjs="" + my_xlib="" + my_xabs="" + my_xdir="" + + for my_xlib in $my_oldlibs; do + # Extract the objects. + case $my_xlib in + [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; + *) my_xabs=`pwd`"/$my_xlib" ;; + esac + func_basename "$my_xlib" + my_xlib="$func_basename_result" + my_xlib_u=$my_xlib + while :; do + case " $extracted_archives " in + *" $my_xlib_u "*) + func_arith $extracted_serial + 1 + extracted_serial=$func_arith_result + my_xlib_u=lt$extracted_serial-$my_xlib ;; + *) break ;; + esac + done + extracted_archives="$extracted_archives $my_xlib_u" + my_xdir="$my_gentop/$my_xlib_u" + + func_mkdir_p "$my_xdir" + + case $host in + *-darwin*) + func_verbose "Extracting $my_xabs" + # Do not bother doing anything if just a dry run + $opt_dry_run || { + darwin_orig_dir=`pwd` + cd $my_xdir || exit $? + darwin_archive=$my_xabs + darwin_curdir=`pwd` + darwin_base_archive=`basename "$darwin_archive"` + darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` + if test -n "$darwin_arches"; then + darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` + darwin_arch= + func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" + for darwin_arch in $darwin_arches ; do + func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" + $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" + cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" + func_extract_an_archive "`pwd`" "${darwin_base_archive}" + cd "$darwin_curdir" + $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" + done # $darwin_arches + ## Okay now we've a bunch of thin objects, gotta fatten them up :) + darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` + darwin_file= + darwin_files= + for darwin_file in $darwin_filelist; do + darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP` + $LIPO -create -output "$darwin_file" $darwin_files + done # $darwin_filelist + $RM -rf unfat-$$ + cd "$darwin_orig_dir" + else + cd $darwin_orig_dir + func_extract_an_archive "$my_xdir" "$my_xabs" + fi # $darwin_arches + } # !$opt_dry_run + ;; + *) + func_extract_an_archive "$my_xdir" "$my_xabs" + ;; + esac + my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP` + done + + func_extract_archives_result="$my_oldobjs" +} + + + +# func_emit_wrapper_part1 [arg=no] +# +# Emit the first part of a libtool wrapper script on stdout. +# For more information, see the description associated with +# func_emit_wrapper(), below. +func_emit_wrapper_part1 () +{ + func_emit_wrapper_part1_arg1=no + if test -n "$1" ; then + func_emit_wrapper_part1_arg1=$1 + fi + + $ECHO "\ +#! $SHELL + +# $output - temporary wrapper script for $objdir/$outputname +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# The $output program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +Xsed='${SED} -e 1s/^X//' +sed_quote_subst='$sed_quote_subst' + +# Be Bourne compatible +if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=\"$relink_command\" + +# This environment variable determines our operation mode. +if test \"\$libtool_install_magic\" = \"$magic\"; then + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' + notinst_deplibs='$notinst_deplibs' +else + # When we are sourced in execute mode, \$file and \$ECHO are already set. + if test \"\$libtool_execute_magic\" != \"$magic\"; then + ECHO=\"$qecho\" + file=\"\$0\" + # Make sure echo works. + if test \"X\$1\" = X--no-reexec; then + # Discard the --no-reexec flag, and continue. + shift + elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then + # Yippee, \$ECHO works! + : + else + # Restart under the correct shell, and then maybe \$ECHO will work. + exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"} + fi + fi\ +" + $ECHO "\ + + # Find the directory that this script lives in. + thisdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\` + test \"x\$thisdir\" = \"x\$file\" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\` + while test -n \"\$file\"; do + destdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\` + + # If there was a directory component, then change thisdir. + if test \"x\$destdir\" != \"x\$file\"; then + case \"\$destdir\" in + [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; + *) thisdir=\"\$thisdir/\$destdir\" ;; + esac + fi + + file=\`\$ECHO \"X\$file\" | \$Xsed -e 's%^.*/%%'\` + file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\` + done +" +} +# end: func_emit_wrapper_part1 + +# func_emit_wrapper_part2 [arg=no] +# +# Emit the second part of a libtool wrapper script on stdout. +# For more information, see the description associated with +# func_emit_wrapper(), below. +func_emit_wrapper_part2 () +{ + func_emit_wrapper_part2_arg1=no + if test -n "$1" ; then + func_emit_wrapper_part2_arg1=$1 + fi + + $ECHO "\ + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_part2_arg1 + if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then + # special case for '.' + if test \"\$thisdir\" = \".\"; then + thisdir=\`pwd\` + fi + # remove .libs from thisdir + case \"\$thisdir\" in + *[\\\\/]$objdir ) thisdir=\`\$ECHO \"X\$thisdir\" | \$Xsed -e 's%[\\\\/][^\\\\/]*$%%'\` ;; + $objdir ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=\`cd \"\$thisdir\" && pwd\` + test -n \"\$absdir\" && thisdir=\"\$absdir\" +" + + if test "$fast_install" = yes; then + $ECHO "\ + program=lt-'$outputname'$exeext + progdir=\"\$thisdir/$objdir\" + + if test ! -f \"\$progdir/\$program\" || + { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ + test \"X\$file\" != \"X\$progdir/\$program\"; }; then + + file=\"\$\$-\$program\" + + if test ! -d \"\$progdir\"; then + $MKDIR \"\$progdir\" + else + $RM \"\$progdir/\$file\" + fi" + + $ECHO "\ + + # relink executable if necessary + if test -n \"\$relink_command\"; then + if relink_command_output=\`eval \$relink_command 2>&1\`; then : + else + $ECHO \"\$relink_command_output\" >&2 + $RM \"\$progdir/\$file\" + exit 1 + fi + fi + + $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || + { $RM \"\$progdir/\$program\"; + $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } + $RM \"\$progdir/\$file\" + fi" + else + $ECHO "\ + program='$outputname' + progdir=\"\$thisdir/$objdir\" +" + fi + + $ECHO "\ + + if test -f \"\$progdir/\$program\"; then" + + # Export our shlibpath_var if we have one. + if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then + $ECHO "\ + # Add our own library path to $shlibpath_var + $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" + + # Some systems cannot cope with colon-terminated $shlibpath_var + # The second colon is a workaround for a bug in BeOS R4 sed + $shlibpath_var=\`\$ECHO \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\` + + export $shlibpath_var +" + fi + + # fixup the dll searchpath if we need to. + if test -n "$dllsearchpath"; then + $ECHO "\ + # Add the dll search path components to the executable PATH + PATH=$dllsearchpath:\$PATH +" + fi + + $ECHO "\ + if test \"\$libtool_execute_magic\" != \"$magic\"; then + # Run the actual program with our arguments. +" + case $host in + # Backslashes separate directories on plain windows + *-*-mingw | *-*-os2* | *-cegcc*) + $ECHO "\ + exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} +" + ;; + + *) + $ECHO "\ + exec \"\$progdir/\$program\" \${1+\"\$@\"} +" + ;; + esac + $ECHO "\ + \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 + exit 1 + fi + else + # The program doesn't exist. + \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 + \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 + $ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 + exit 1 + fi +fi\ +" +} +# end: func_emit_wrapper_part2 + + +# func_emit_wrapper [arg=no] +# +# Emit a libtool wrapper script on stdout. +# Don't directly open a file because we may want to +# incorporate the script contents within a cygwin/mingw +# wrapper executable. Must ONLY be called from within +# func_mode_link because it depends on a number of variables +# set therein. +# +# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR +# variable will take. If 'yes', then the emitted script +# will assume that the directory in which it is stored is +# the $objdir directory. This is a cygwin/mingw-specific +# behavior. +func_emit_wrapper () +{ + func_emit_wrapper_arg1=no + if test -n "$1" ; then + func_emit_wrapper_arg1=$1 + fi + + # split this up so that func_emit_cwrapperexe_src + # can call each part independently. + func_emit_wrapper_part1 "${func_emit_wrapper_arg1}" + func_emit_wrapper_part2 "${func_emit_wrapper_arg1}" +} + + +# func_to_host_path arg +# +# Convert paths to host format when used with build tools. +# Intended for use with "native" mingw (where libtool itself +# is running under the msys shell), or in the following cross- +# build environments: +# $build $host +# mingw (msys) mingw [e.g. native] +# cygwin mingw +# *nix + wine mingw +# where wine is equipped with the `winepath' executable. +# In the native mingw case, the (msys) shell automatically +# converts paths for any non-msys applications it launches, +# but that facility isn't available from inside the cwrapper. +# Similar accommodations are necessary for $host mingw and +# $build cygwin. Calling this function does no harm for other +# $host/$build combinations not listed above. +# +# ARG is the path (on $build) that should be converted to +# the proper representation for $host. The result is stored +# in $func_to_host_path_result. +func_to_host_path () +{ + func_to_host_path_result="$1" + if test -n "$1" ; then + case $host in + *mingw* ) + lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + case $build in + *mingw* ) # actually, msys + # awkward: cmd appends spaces to result + lt_sed_strip_trailing_spaces="s/[ ]*\$//" + func_to_host_path_tmp1=`( cmd //c echo "$1" |\ + $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` + func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ + $SED -e "$lt_sed_naive_backslashify"` + ;; + *cygwin* ) + func_to_host_path_tmp1=`cygpath -w "$1"` + func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ + $SED -e "$lt_sed_naive_backslashify"` + ;; + * ) + # Unfortunately, winepath does not exit with a non-zero + # error code, so we are forced to check the contents of + # stdout. On the other hand, if the command is not + # found, the shell will set an exit code of 127 and print + # *an error message* to stdout. So we must check for both + # error code of zero AND non-empty stdout, which explains + # the odd construction: + func_to_host_path_tmp1=`winepath -w "$1" 2>/dev/null` + if test "$?" -eq 0 && test -n "${func_to_host_path_tmp1}"; then + func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ + $SED -e "$lt_sed_naive_backslashify"` + else + # Allow warning below. + func_to_host_path_result="" + fi + ;; + esac + if test -z "$func_to_host_path_result" ; then + func_error "Could not determine host path corresponding to" + func_error " '$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback: + func_to_host_path_result="$1" + fi + ;; + esac + fi +} +# end: func_to_host_path + +# func_to_host_pathlist arg +# +# Convert pathlists to host format when used with build tools. +# See func_to_host_path(), above. This function supports the +# following $build/$host combinations (but does no harm for +# combinations not listed here): +# $build $host +# mingw (msys) mingw [e.g. native] +# cygwin mingw +# *nix + wine mingw +# +# Path separators are also converted from $build format to +# $host format. If ARG begins or ends with a path separator +# character, it is preserved (but converted to $host format) +# on output. +# +# ARG is a pathlist (on $build) that should be converted to +# the proper representation on $host. The result is stored +# in $func_to_host_pathlist_result. +func_to_host_pathlist () +{ + func_to_host_pathlist_result="$1" + if test -n "$1" ; then + case $host in + *mingw* ) + lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + # Remove leading and trailing path separator characters from + # ARG. msys behavior is inconsistent here, cygpath turns them + # into '.;' and ';.', and winepath ignores them completely. + func_to_host_pathlist_tmp2="$1" + # Once set for this call, this variable should not be + # reassigned. It is used in tha fallback case. + func_to_host_pathlist_tmp1=`echo "$func_to_host_pathlist_tmp2" |\ + $SED -e 's|^:*||' -e 's|:*$||'` + case $build in + *mingw* ) # Actually, msys. + # Awkward: cmd appends spaces to result. + lt_sed_strip_trailing_spaces="s/[ ]*\$//" + func_to_host_pathlist_tmp2=`( cmd //c echo "$func_to_host_pathlist_tmp1" |\ + $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` + func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ + $SED -e "$lt_sed_naive_backslashify"` + ;; + *cygwin* ) + func_to_host_pathlist_tmp2=`cygpath -w -p "$func_to_host_pathlist_tmp1"` + func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ + $SED -e "$lt_sed_naive_backslashify"` + ;; + * ) + # unfortunately, winepath doesn't convert pathlists + func_to_host_pathlist_result="" + func_to_host_pathlist_oldIFS=$IFS + IFS=: + for func_to_host_pathlist_f in $func_to_host_pathlist_tmp1 ; do + IFS=$func_to_host_pathlist_oldIFS + if test -n "$func_to_host_pathlist_f" ; then + func_to_host_path "$func_to_host_pathlist_f" + if test -n "$func_to_host_path_result" ; then + if test -z "$func_to_host_pathlist_result" ; then + func_to_host_pathlist_result="$func_to_host_path_result" + else + func_to_host_pathlist_result="$func_to_host_pathlist_result;$func_to_host_path_result" + fi + fi + fi + IFS=: + done + IFS=$func_to_host_pathlist_oldIFS + ;; + esac + if test -z "$func_to_host_pathlist_result" ; then + func_error "Could not determine the host path(s) corresponding to" + func_error " '$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback. This may break if $1 contains DOS-style drive + # specifications. The fix is not to complicate the expression + # below, but for the user to provide a working wine installation + # with winepath so that path translation in the cross-to-mingw + # case works properly. + lt_replace_pathsep_nix_to_dos="s|:|;|g" + func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp1" |\ + $SED -e "$lt_replace_pathsep_nix_to_dos"` + fi + # Now, add the leading and trailing path separators back + case "$1" in + :* ) func_to_host_pathlist_result=";$func_to_host_pathlist_result" + ;; + esac + case "$1" in + *: ) func_to_host_pathlist_result="$func_to_host_pathlist_result;" + ;; + esac + ;; + esac + fi +} +# end: func_to_host_pathlist + +# func_emit_cwrapperexe_src +# emit the source code for a wrapper executable on stdout +# Must ONLY be called from within func_mode_link because +# it depends on a number of variable set therein. +func_emit_cwrapperexe_src () +{ + cat < +#include +#ifdef _MSC_VER +# include +# include +# include +# define setmode _setmode +#else +# include +# include +# ifdef __CYGWIN__ +# include +# define HAVE_SETENV +# ifdef __STRICT_ANSI__ +char *realpath (const char *, char *); +int putenv (char *); +int setenv (const char *, const char *, int); +# endif +# endif +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(PATH_MAX) +# define LT_PATHMAX PATH_MAX +#elif defined(MAXPATHLEN) +# define LT_PATHMAX MAXPATHLEN +#else +# define LT_PATHMAX 1024 +#endif + +#ifndef S_IXOTH +# define S_IXOTH 0 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0 +#endif + +#ifdef _MSC_VER +# define S_IXUSR _S_IEXEC +# define stat _stat +# ifndef _INTPTR_T_DEFINED +# define intptr_t int +# endif +#endif + +#ifndef DIR_SEPARATOR +# define DIR_SEPARATOR '/' +# define PATH_SEPARATOR ':' +#endif + +#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ + defined (__OS2__) +# define HAVE_DOS_BASED_FILE_SYSTEM +# define FOPEN_WB "wb" +# ifndef DIR_SEPARATOR_2 +# define DIR_SEPARATOR_2 '\\' +# endif +# ifndef PATH_SEPARATOR_2 +# define PATH_SEPARATOR_2 ';' +# endif +#endif + +#ifndef DIR_SEPARATOR_2 +# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) +#else /* DIR_SEPARATOR_2 */ +# define IS_DIR_SEPARATOR(ch) \ + (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) +#endif /* DIR_SEPARATOR_2 */ + +#ifndef PATH_SEPARATOR_2 +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) +#else /* PATH_SEPARATOR_2 */ +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) +#endif /* PATH_SEPARATOR_2 */ + +#ifdef __CYGWIN__ +# define FOPEN_WB "wb" +#endif + +#ifndef FOPEN_WB +# define FOPEN_WB "w" +#endif +#ifndef _O_BINARY +# define _O_BINARY 0 +#endif + +#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) +#define XFREE(stale) do { \ + if (stale) { free ((void *) stale); stale = 0; } \ +} while (0) + +#undef LTWRAPPER_DEBUGPRINTF +#if defined DEBUGWRAPPER +# define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args +static void +ltwrapper_debugprintf (const char *fmt, ...) +{ + va_list args; + va_start (args, fmt); + (void) vfprintf (stderr, fmt, args); + va_end (args); +} +#else +# define LTWRAPPER_DEBUGPRINTF(args) +#endif + +const char *program_name = NULL; + +void *xmalloc (size_t num); +char *xstrdup (const char *string); +const char *base_name (const char *name); +char *find_executable (const char *wrapper); +char *chase_symlinks (const char *pathspec); +int make_executable (const char *path); +int check_executable (const char *path); +char *strendzap (char *str, const char *pat); +void lt_fatal (const char *message, ...); +void lt_setenv (const char *name, const char *value); +char *lt_extend_str (const char *orig_value, const char *add, int to_end); +void lt_opt_process_env_set (const char *arg); +void lt_opt_process_env_prepend (const char *arg); +void lt_opt_process_env_append (const char *arg); +int lt_split_name_value (const char *arg, char** name, char** value); +void lt_update_exe_path (const char *name, const char *value); +void lt_update_lib_path (const char *name, const char *value); + +static const char *script_text_part1 = +EOF + + func_emit_wrapper_part1 yes | + $SED -e 's/\([\\"]\)/\\\1/g' \ + -e 's/^/ "/' -e 's/$/\\n"/' + echo ";" + cat <"))); + for (i = 0; i < newargc; i++) + { + LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, (newargz[i] ? newargz[i] : ""))); + } + +EOF + + case $host_os in + mingw*) + cat <<"EOF" + /* execv doesn't actually work on mingw as expected on unix */ + rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz); + if (rval == -1) + { + /* failed to start process */ + LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"%s\": errno = %d\n", lt_argv_zero, errno)); + return 127; + } + return rval; +EOF + ;; + *) + cat <<"EOF" + execv (lt_argv_zero, newargz); + return rval; /* =127, but avoids unused variable warning */ +EOF + ;; + esac + + cat <<"EOF" +} + +void * +xmalloc (size_t num) +{ + void *p = (void *) malloc (num); + if (!p) + lt_fatal ("Memory exhausted"); + + return p; +} + +char * +xstrdup (const char *string) +{ + return string ? strcpy ((char *) xmalloc (strlen (string) + 1), + string) : NULL; +} + +const char * +base_name (const char *name) +{ + const char *base; + +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + /* Skip over the disk name in MSDOS pathnames. */ + if (isalpha ((unsigned char) name[0]) && name[1] == ':') + name += 2; +#endif + + for (base = name; *name; name++) + if (IS_DIR_SEPARATOR (*name)) + base = name + 1; + return base; +} + +int +check_executable (const char *path) +{ + struct stat st; + + LTWRAPPER_DEBUGPRINTF (("(check_executable) : %s\n", + path ? (*path ? path : "EMPTY!") : "NULL!")); + if ((!path) || (!*path)) + return 0; + + if ((stat (path, &st) >= 0) + && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) + return 1; + else + return 0; +} + +int +make_executable (const char *path) +{ + int rval = 0; + struct stat st; + + LTWRAPPER_DEBUGPRINTF (("(make_executable) : %s\n", + path ? (*path ? path : "EMPTY!") : "NULL!")); + if ((!path) || (!*path)) + return 0; + + if (stat (path, &st) >= 0) + { + rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); + } + return rval; +} + +/* Searches for the full path of the wrapper. Returns + newly allocated full path name if found, NULL otherwise + Does not chase symlinks, even on platforms that support them. +*/ +char * +find_executable (const char *wrapper) +{ + int has_slash = 0; + const char *p; + const char *p_next; + /* static buffer for getcwd */ + char tmp[LT_PATHMAX + 1]; + int tmp_len; + char *concat_name; + + LTWRAPPER_DEBUGPRINTF (("(find_executable) : %s\n", + wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!")); + + if ((wrapper == NULL) || (*wrapper == '\0')) + return NULL; + + /* Absolute path? */ +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + else + { +#endif + if (IS_DIR_SEPARATOR (wrapper[0])) + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + } +#endif + + for (p = wrapper; *p; p++) + if (*p == '/') + { + has_slash = 1; + break; + } + if (!has_slash) + { + /* no slashes; search PATH */ + const char *path = getenv ("PATH"); + if (path != NULL) + { + for (p = path; *p; p = p_next) + { + const char *q; + size_t p_len; + for (q = p; *q; q++) + if (IS_PATH_SEPARATOR (*q)) + break; + p_len = q - p; + p_next = (*q == '\0' ? q : q + 1); + if (p_len == 0) + { + /* empty path: current directory */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal ("getcwd failed"); + tmp_len = strlen (tmp); + concat_name = + XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + } + else + { + concat_name = + XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, p, p_len); + concat_name[p_len] = '/'; + strcpy (concat_name + p_len + 1, wrapper); + } + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + } + /* not found in PATH; assume curdir */ + } + /* Relative path | not found in path: prepend cwd */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal ("getcwd failed"); + tmp_len = strlen (tmp); + concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + return NULL; +} + +char * +chase_symlinks (const char *pathspec) +{ +#ifndef S_ISLNK + return xstrdup (pathspec); +#else + char buf[LT_PATHMAX]; + struct stat s; + char *tmp_pathspec = xstrdup (pathspec); + char *p; + int has_symlinks = 0; + while (strlen (tmp_pathspec) && !has_symlinks) + { + LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n", + tmp_pathspec)); + if (lstat (tmp_pathspec, &s) == 0) + { + if (S_ISLNK (s.st_mode) != 0) + { + has_symlinks = 1; + break; + } + + /* search backwards for last DIR_SEPARATOR */ + p = tmp_pathspec + strlen (tmp_pathspec) - 1; + while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + p--; + if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + { + /* no more DIR_SEPARATORS left */ + break; + } + *p = '\0'; + } + else + { + char *errstr = strerror (errno); + lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr); + } + } + XFREE (tmp_pathspec); + + if (!has_symlinks) + { + return xstrdup (pathspec); + } + + tmp_pathspec = realpath (pathspec, buf); + if (tmp_pathspec == 0) + { + lt_fatal ("Could not follow symlinks for %s", pathspec); + } + return xstrdup (tmp_pathspec); +#endif +} + +char * +strendzap (char *str, const char *pat) +{ + size_t len, patlen; + + assert (str != NULL); + assert (pat != NULL); + + len = strlen (str); + patlen = strlen (pat); + + if (patlen <= len) + { + str += len - patlen; + if (strcmp (str, pat) == 0) + *str = '\0'; + } + return str; +} + +static void +lt_error_core (int exit_status, const char *mode, + const char *message, va_list ap) +{ + fprintf (stderr, "%s: %s: ", program_name, mode); + vfprintf (stderr, message, ap); + fprintf (stderr, ".\n"); + + if (exit_status >= 0) + exit (exit_status); +} + +void +lt_fatal (const char *message, ...) +{ + va_list ap; + va_start (ap, message); + lt_error_core (EXIT_FAILURE, "FATAL", message, ap); + va_end (ap); +} + +void +lt_setenv (const char *name, const char *value) +{ + LTWRAPPER_DEBUGPRINTF (("(lt_setenv) setting '%s' to '%s'\n", + (name ? name : ""), + (value ? value : ""))); + { +#ifdef HAVE_SETENV + /* always make a copy, for consistency with !HAVE_SETENV */ + char *str = xstrdup (value); + setenv (name, str, 1); +#else + int len = strlen (name) + 1 + strlen (value) + 1; + char *str = XMALLOC (char, len); + sprintf (str, "%s=%s", name, value); + if (putenv (str) != EXIT_SUCCESS) + { + XFREE (str); + } +#endif + } +} + +char * +lt_extend_str (const char *orig_value, const char *add, int to_end) +{ + char *new_value; + if (orig_value && *orig_value) + { + int orig_value_len = strlen (orig_value); + int add_len = strlen (add); + new_value = XMALLOC (char, add_len + orig_value_len + 1); + if (to_end) + { + strcpy (new_value, orig_value); + strcpy (new_value + orig_value_len, add); + } + else + { + strcpy (new_value, add); + strcpy (new_value + add_len, orig_value); + } + } + else + { + new_value = xstrdup (add); + } + return new_value; +} + +int +lt_split_name_value (const char *arg, char** name, char** value) +{ + const char *p; + int len; + if (!arg || !*arg) + return 1; + + p = strchr (arg, (int)'='); + + if (!p) + return 1; + + *value = xstrdup (++p); + + len = strlen (arg) - strlen (*value); + *name = XMALLOC (char, len); + strncpy (*name, arg, len-1); + (*name)[len - 1] = '\0'; + + return 0; +} + +void +lt_opt_process_env_set (const char *arg) +{ + char *name = NULL; + char *value = NULL; + + if (lt_split_name_value (arg, &name, &value) != 0) + { + XFREE (name); + XFREE (value); + lt_fatal ("bad argument for %s: '%s'", env_set_opt, arg); + } + + lt_setenv (name, value); + XFREE (name); + XFREE (value); +} + +void +lt_opt_process_env_prepend (const char *arg) +{ + char *name = NULL; + char *value = NULL; + char *new_value = NULL; + + if (lt_split_name_value (arg, &name, &value) != 0) + { + XFREE (name); + XFREE (value); + lt_fatal ("bad argument for %s: '%s'", env_prepend_opt, arg); + } + + new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + XFREE (name); + XFREE (value); +} + +void +lt_opt_process_env_append (const char *arg) +{ + char *name = NULL; + char *value = NULL; + char *new_value = NULL; + + if (lt_split_name_value (arg, &name, &value) != 0) + { + XFREE (name); + XFREE (value); + lt_fatal ("bad argument for %s: '%s'", env_append_opt, arg); + } + + new_value = lt_extend_str (getenv (name), value, 1); + lt_setenv (name, new_value); + XFREE (new_value); + XFREE (name); + XFREE (value); +} + +void +lt_update_exe_path (const char *name, const char *value) +{ + LTWRAPPER_DEBUGPRINTF (("(lt_update_exe_path) modifying '%s' by prepending '%s'\n", + (name ? name : ""), + (value ? value : ""))); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + /* some systems can't cope with a ':'-terminated path #' */ + int len = strlen (new_value); + while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) + { + new_value[len-1] = '\0'; + } + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +void +lt_update_lib_path (const char *name, const char *value) +{ + LTWRAPPER_DEBUGPRINTF (("(lt_update_lib_path) modifying '%s' by prepending '%s'\n", + (name ? name : ""), + (value ? value : ""))); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + } +} + + +EOF +} +# end: func_emit_cwrapperexe_src + +# func_mode_link arg... +func_mode_link () +{ + $opt_debug + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + # It is impossible to link a dll without this setting, and + # we shouldn't force the makefile maintainer to figure out + # which system we are compiling for in order to pass an extra + # flag for every libtool invocation. + # allow_undefined=no + + # FIXME: Unfortunately, there are problems with the above when trying + # to make a dll which has undefined symbols, in which case not + # even a static library is built. For now, we need to specify + # -no-undefined on the libtool link line when we can be certain + # that all symbols are satisfied, otherwise we get a static library. + allow_undefined=yes + ;; + *) + allow_undefined=yes + ;; + esac + libtool_args=$nonopt + base_compile="$nonopt $@" + compile_command=$nonopt + finalize_command=$nonopt + + compile_rpath= + finalize_rpath= + compile_shlibpath= + finalize_shlibpath= + convenience= + old_convenience= + deplibs= + old_deplibs= + compiler_flags= + linker_flags= + dllsearchpath= + lib_search_path=`pwd` + inst_prefix_dir= + new_inherited_linker_flags= + + avoid_version=no + dlfiles= + dlprefiles= + dlself=no + export_dynamic=no + export_symbols= + export_symbols_regex= + generated= + libobjs= + ltlibs= + module=no + no_install=no + objs= + non_pic_objects= + precious_files_regex= + prefer_static_libs=no + preload=no + prev= + prevarg= + release= + rpath= + xrpath= + perm_rpath= + temp_rpath= + thread_safe=no + vinfo= + vinfo_number=no + weak_libs= + single_module="${wl}-single_module" + func_infer_tag $base_compile + + # We need to know -static, to get the right output filenames. + for arg + do + case $arg in + -shared) + test "$build_libtool_libs" != yes && \ + func_fatal_configuration "can not build a shared library" + build_old_libs=no + break + ;; + -all-static | -static | -static-libtool-libs) + case $arg in + -all-static) + if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then + func_warning "complete static linking is impossible in this configuration" + fi + if test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + -static) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=built + ;; + -static-libtool-libs) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + esac + build_libtool_libs=no + build_old_libs=yes + break + ;; + esac + done + + # See if our shared archives depend on static archives. + test -n "$old_archive_from_new_cmds" && build_old_libs=yes + + # Go through the arguments, transforming them on the way. + while test "$#" -gt 0; do + arg="$1" + shift + func_quote_for_eval "$arg" + qarg=$func_quote_for_eval_unquoted_result + func_append libtool_args " $func_quote_for_eval_result" + + # If the previous option needs an argument, assign it. + if test -n "$prev"; then + case $prev in + output) + func_append compile_command " @OUTPUT@" + func_append finalize_command " @OUTPUT@" + ;; + esac + + case $prev in + dlfiles|dlprefiles) + if test "$preload" = no; then + # Add the symbol object into the linking commands. + func_append compile_command " @SYMFILE@" + func_append finalize_command " @SYMFILE@" + preload=yes + fi + case $arg in + *.la | *.lo) ;; # We handle these cases below. + force) + if test "$dlself" = no; then + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + self) + if test "$prev" = dlprefiles; then + dlself=yes + elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then + dlself=yes + else + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + *) + if test "$prev" = dlfiles; then + dlfiles="$dlfiles $arg" + else + dlprefiles="$dlprefiles $arg" + fi + prev= + continue + ;; + esac + ;; + expsyms) + export_symbols="$arg" + test -f "$arg" \ + || func_fatal_error "symbol file \`$arg' does not exist" + prev= + continue + ;; + expsyms_regex) + export_symbols_regex="$arg" + prev= + continue + ;; + framework) + case $host in + *-*-darwin*) + case "$deplibs " in + *" $qarg.ltframework "*) ;; + *) deplibs="$deplibs $qarg.ltframework" # this is fixed later + ;; + esac + ;; + esac + prev= + continue + ;; + inst_prefix) + inst_prefix_dir="$arg" + prev= + continue + ;; + objectlist) + if test -f "$arg"; then + save_arg=$arg + moreargs= + for fil in `cat "$save_arg"` + do +# moreargs="$moreargs $fil" + arg=$fil + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + dlfiles="$dlfiles $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + dlprefiles="$dlprefiles $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + done + else + func_fatal_error "link input file \`$arg' does not exist" + fi + arg=$save_arg + prev= + continue + ;; + precious_regex) + precious_files_regex="$arg" + prev= + continue + ;; + release) + release="-$arg" + prev= + continue + ;; + rpath | xrpath) + # We need an absolute path. + case $arg in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + if test "$prev" = rpath; then + case "$rpath " in + *" $arg "*) ;; + *) rpath="$rpath $arg" ;; + esac + else + case "$xrpath " in + *" $arg "*) ;; + *) xrpath="$xrpath $arg" ;; + esac + fi + prev= + continue + ;; + shrext) + shrext_cmds="$arg" + prev= + continue + ;; + weak) + weak_libs="$weak_libs $arg" + prev= + continue + ;; + xcclinker) + linker_flags="$linker_flags $qarg" + compiler_flags="$compiler_flags $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xcompiler) + compiler_flags="$compiler_flags $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xlinker) + linker_flags="$linker_flags $qarg" + compiler_flags="$compiler_flags $wl$qarg" + prev= + func_append compile_command " $wl$qarg" + func_append finalize_command " $wl$qarg" + continue + ;; + *) + eval "$prev=\"\$arg\"" + prev= + continue + ;; + esac + fi # test -n "$prev" + + prevarg="$arg" + + case $arg in + -all-static) + if test -n "$link_static_flag"; then + # See comment for -static flag below, for more details. + func_append compile_command " $link_static_flag" + func_append finalize_command " $link_static_flag" + fi + continue + ;; + + -allow-undefined) + # FIXME: remove this flag sometime in the future. + func_fatal_error "\`-allow-undefined' must not be used because it is the default" + ;; + + -avoid-version) + avoid_version=yes + continue + ;; + + -dlopen) + prev=dlfiles + continue + ;; + + -dlpreopen) + prev=dlprefiles + continue + ;; + + -export-dynamic) + export_dynamic=yes + continue + ;; + + -export-symbols | -export-symbols-regex) + if test -n "$export_symbols" || test -n "$export_symbols_regex"; then + func_fatal_error "more than one -exported-symbols argument is not allowed" + fi + if test "X$arg" = "X-export-symbols"; then + prev=expsyms + else + prev=expsyms_regex + fi + continue + ;; + + -framework) + prev=framework + continue + ;; + + -inst-prefix-dir) + prev=inst_prefix + continue + ;; + + # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* + # so, if we see these flags be careful not to treat them like -L + -L[A-Z][A-Z]*:*) + case $with_gcc/$host in + no/*-*-irix* | /*-*-irix*) + func_append compile_command " $arg" + func_append finalize_command " $arg" + ;; + esac + continue + ;; + + -L*) + func_stripname '-L' '' "$arg" + dir=$func_stripname_result + if test -z "$dir"; then + if test "$#" -gt 0; then + func_fatal_error "require no space between \`-L' and \`$1'" + else + func_fatal_error "need path for \`-L' option" + fi + fi + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + absdir=`cd "$dir" && pwd` + test -z "$absdir" && \ + func_fatal_error "cannot determine absolute directory name of \`$dir'" + dir="$absdir" + ;; + esac + case "$deplibs " in + *" -L$dir "*) ;; + *) + deplibs="$deplibs -L$dir" + lib_search_path="$lib_search_path $dir" + ;; + esac + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "X$dir" | $Xsed -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$dir:"*) ;; + ::) dllsearchpath=$dir;; + *) dllsearchpath="$dllsearchpath:$dir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) dllsearchpath="$dllsearchpath:$testbindir";; + esac + ;; + esac + continue + ;; + + -l*) + if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc*) + # These systems don't actually have a C or math library (as such) + continue + ;; + *-*-os2*) + # These systems don't actually have a C library (as such) + test "X$arg" = "X-lc" && continue + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + test "X$arg" = "X-lc" && continue + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C and math libraries are in the System framework + deplibs="$deplibs System.ltframework" + continue + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + test "X$arg" = "X-lc" && continue + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + test "X$arg" = "X-lc" && continue + ;; + esac + elif test "X$arg" = "X-lc_r"; then + case $host in + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc_r directly, use -pthread flag. + continue + ;; + esac + fi + deplibs="$deplibs $arg" + continue + ;; + + -module) + module=yes + continue + ;; + + # Tru64 UNIX uses -model [arg] to determine the layout of C++ + # classes, name mangling, and exception handling. + # Darwin uses the -arch flag to determine output architecture. + -model|-arch|-isysroot) + compiler_flags="$compiler_flags $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + prev=xcompiler + continue + ;; + + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) + compiler_flags="$compiler_flags $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case "$new_inherited_linker_flags " in + *" $arg "*) ;; + * ) new_inherited_linker_flags="$new_inherited_linker_flags $arg" ;; + esac + continue + ;; + + -multi_module) + single_module="${wl}-multi_module" + continue + ;; + + -no-fast-install) + fast_install=no + continue + ;; + + -no-install) + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) + # The PATH hackery in wrapper scripts is required on Windows + # and Darwin in order for the loader to find any dlls it needs. + func_warning "\`-no-install' is ignored for $host" + func_warning "assuming \`-no-fast-install' instead" + fast_install=no + ;; + *) no_install=yes ;; + esac + continue + ;; + + -no-undefined) + allow_undefined=no + continue + ;; + + -objectlist) + prev=objectlist + continue + ;; + + -o) prev=output ;; + + -precious-files-regex) + prev=precious_regex + continue + ;; + + -release) + prev=release + continue + ;; + + -rpath) + prev=rpath + continue + ;; + + -R) + prev=xrpath + continue + ;; + + -R*) + func_stripname '-R' '' "$arg" + dir=$func_stripname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + case "$xrpath " in + *" $dir "*) ;; + *) xrpath="$xrpath $dir" ;; + esac + continue + ;; + + -shared) + # The effects of -shared are defined in a previous loop. + continue + ;; + + -shrext) + prev=shrext + continue + ;; + + -static | -static-libtool-libs) + # The effects of -static are defined in a previous loop. + # We used to do the same as -all-static on platforms that + # didn't have a PIC flag, but the assumption that the effects + # would be equivalent was wrong. It would break on at least + # Digital Unix and AIX. + continue + ;; + + -thread-safe) + thread_safe=yes + continue + ;; + + -version-info) + prev=vinfo + continue + ;; + + -version-number) + prev=vinfo + vinfo_number=yes + continue + ;; + + -weak) + prev=weak + continue + ;; + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + arg="$arg $wl$func_quote_for_eval_result" + compiler_flags="$compiler_flags $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Wl,*) + func_stripname '-Wl,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + arg="$arg $wl$func_quote_for_eval_result" + compiler_flags="$compiler_flags $wl$func_quote_for_eval_result" + linker_flags="$linker_flags $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Xcompiler) + prev=xcompiler + continue + ;; + + -Xlinker) + prev=xlinker + continue + ;; + + -XCClinker) + prev=xcclinker + continue + ;; + + # -msg_* for osf cc + -msg_*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + # -64, -mips[0-9] enable 64-bit mode on the SGI compiler + # -r[0-9][0-9]* specifies the processor on the SGI compiler + # -xarch=*, -xtarget=* enable 64-bit mode on the Sun compiler + # +DA*, +DD* enable 64-bit mode on the HP compiler + # -q* pass through compiler args for the IBM compiler + # -m*, -t[45]*, -txscale* pass through architecture-specific + # compiler args for GCC + # -F/path gives path to uninstalled frameworks, gcc on darwin + # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC + # @file GCC response files + -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ + -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + func_append compile_command " $arg" + func_append finalize_command " $arg" + compiler_flags="$compiler_flags $arg" + continue + ;; + + # Some other compiler flag. + -* | +*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + *.$objext) + # A standard object. + objs="$objs $arg" + ;; + + *.lo) + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + dlfiles="$dlfiles $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + dlprefiles="$dlprefiles $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + ;; + + *.$libext) + # An archive. + deplibs="$deplibs $arg" + old_deplibs="$old_deplibs $arg" + continue + ;; + + *.la) + # A libtool-controlled library. + + if test "$prev" = dlfiles; then + # This library was specified with -dlopen. + dlfiles="$dlfiles $arg" + prev= + elif test "$prev" = dlprefiles; then + # The library was specified with -dlpreopen. + dlprefiles="$dlprefiles $arg" + prev= + else + deplibs="$deplibs $arg" + fi + continue + ;; + + # Some other compiler argument. + *) + # Unknown arguments in both finalize_command and compile_command need + # to be aesthetically quoted because they are evaled later. + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + esac # arg + + # Now actually substitute the argument into the commands. + if test -n "$arg"; then + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + done # argument parsing loop + + test -n "$prev" && \ + func_fatal_help "the \`$prevarg' option requires an argument" + + if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then + eval arg=\"$export_dynamic_flag_spec\" + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + + oldlibs= + # calculate the name of the file, without its directory + func_basename "$output" + outputname="$func_basename_result" + libobjs_save="$libobjs" + + if test -n "$shlibpath_var"; then + # get the directories listed in $shlibpath_var + eval shlib_search_path=\`\$ECHO \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\` + else + shlib_search_path= + fi + eval sys_lib_search_path=\"$sys_lib_search_path_spec\" + eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" + + func_dirname "$output" "/" "" + output_objdir="$func_dirname_result$objdir" + # Create the object directory. + func_mkdir_p "$output_objdir" + + # Determine the type of output + case $output in + "") + func_fatal_help "you must specify an output file" + ;; + *.$libext) linkmode=oldlib ;; + *.lo | *.$objext) linkmode=obj ;; + *.la) linkmode=lib ;; + *) linkmode=prog ;; # Anything else should be a program. + esac + + specialdeplibs= + + libs= + # Find all interdependent deplibs by searching for libraries + # that are linked more than once (e.g. -la -lb -la) + for deplib in $deplibs; do + if $opt_duplicate_deps ; then + case "$libs " in + *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; + esac + fi + libs="$libs $deplib" + done + + if test "$linkmode" = lib; then + libs="$predeps $libs $compiler_lib_search_path $postdeps" + + # Compute libraries that are listed more than once in $predeps + # $postdeps and mark them as special (i.e., whose duplicates are + # not to be eliminated). + pre_post_deps= + if $opt_duplicate_compiler_generated_deps; then + for pre_post_dep in $predeps $postdeps; do + case "$pre_post_deps " in + *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;; + esac + pre_post_deps="$pre_post_deps $pre_post_dep" + done + fi + pre_post_deps= + fi + + deplibs= + newdependency_libs= + newlib_search_path= + need_relink=no # whether we're linking any uninstalled libtool libraries + notinst_deplibs= # not-installed libtool libraries + notinst_path= # paths that contain not-installed libtool libraries + + case $linkmode in + lib) + passes="conv dlpreopen link" + for file in $dlfiles $dlprefiles; do + case $file in + *.la) ;; + *) + func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" + ;; + esac + done + ;; + prog) + compile_deplibs= + finalize_deplibs= + alldeplibs=no + newdlfiles= + newdlprefiles= + passes="conv scan dlopen dlpreopen link" + ;; + *) passes="conv" + ;; + esac + + for pass in $passes; do + # The preopen pass in lib mode reverses $deplibs; put it back here + # so that -L comes before libs that need it for instance... + if test "$linkmode,$pass" = "lib,link"; then + ## FIXME: Find the place where the list is rebuilt in the wrong + ## order, and fix it there properly + tmp_deplibs= + for deplib in $deplibs; do + tmp_deplibs="$deplib $tmp_deplibs" + done + deplibs="$tmp_deplibs" + fi + + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan"; then + libs="$deplibs" + deplibs= + fi + if test "$linkmode" = prog; then + case $pass in + dlopen) libs="$dlfiles" ;; + dlpreopen) libs="$dlprefiles" ;; + link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; + esac + fi + if test "$linkmode,$pass" = "lib,dlpreopen"; then + # Collect and forward deplibs of preopened libtool libs + for lib in $dlprefiles; do + # Ignore non-libtool-libs + dependency_libs= + case $lib in + *.la) func_source "$lib" ;; + esac + + # Collect preopened libtool deplibs, except any this library + # has declared as weak libs + for deplib in $dependency_libs; do + deplib_base=`$ECHO "X$deplib" | $Xsed -e "$basename"` + case " $weak_libs " in + *" $deplib_base "*) ;; + *) deplibs="$deplibs $deplib" ;; + esac + done + done + libs="$dlprefiles" + fi + if test "$pass" = dlopen; then + # Collect dlpreopened libraries + save_deplibs="$deplibs" + deplibs= + fi + + for deplib in $libs; do + lib= + found=no + case $deplib in + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + compiler_flags="$compiler_flags $deplib" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; + esac + fi + fi + continue + ;; + -l*) + if test "$linkmode" != lib && test "$linkmode" != prog; then + func_warning "\`-l' is ignored for archives/objects" + continue + fi + func_stripname '-l' '' "$deplib" + name=$func_stripname_result + if test "$linkmode" = lib; then + searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" + else + searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" + fi + for searchdir in $searchdirs; do + for search_ext in .la $std_shrext .so .a; do + # Search the libtool library + lib="$searchdir/lib${name}${search_ext}" + if test -f "$lib"; then + if test "$search_ext" = ".la"; then + found=yes + else + found=no + fi + break 2 + fi + done + done + if test "$found" != yes; then + # deplib doesn't seem to be a libtool library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + else # deplib is a libtool library + # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, + # We need to do some special things here, and not later. + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $deplib "*) + if func_lalib_p "$lib"; then + library_names= + old_library= + func_source "$lib" + for l in $old_library $library_names; do + ll="$l" + done + if test "X$ll" = "X$old_library" ; then # only static version available + found=no + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + lib=$ladir/$old_library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + fi + ;; + *) ;; + esac + fi + fi + ;; # -l + *.ltframework) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; + esac + fi + fi + continue + ;; + -L*) + case $linkmode in + lib) + deplibs="$deplib $deplibs" + test "$pass" = conv && continue + newdependency_libs="$deplib $newdependency_libs" + func_stripname '-L' '' "$deplib" + newlib_search_path="$newlib_search_path $func_stripname_result" + ;; + prog) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + if test "$pass" = scan; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + func_stripname '-L' '' "$deplib" + newlib_search_path="$newlib_search_path $func_stripname_result" + ;; + *) + func_warning "\`-L' is ignored for archives/objects" + ;; + esac # linkmode + continue + ;; # -L + -R*) + if test "$pass" = link; then + func_stripname '-R' '' "$deplib" + dir=$func_stripname_result + # Make sure the xrpath contains only unique directories. + case "$xrpath " in + *" $dir "*) ;; + *) xrpath="$xrpath $dir" ;; + esac + fi + deplibs="$deplib $deplibs" + continue + ;; + *.la) lib="$deplib" ;; + *.$libext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + case $linkmode in + lib) + # Linking convenience modules into shared libraries is allowed, + # but linking other static libraries is non-portable. + case " $dlpreconveniencelibs " in + *" $deplib "*) ;; + *) + valid_a_lib=no + case $deplibs_check_method in + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + if eval "\$ECHO \"X$deplib\"" 2>/dev/null | $Xsed -e 10q \ + | $EGREP "$match_pattern_regex" > /dev/null; then + valid_a_lib=yes + fi + ;; + pass_all) + valid_a_lib=yes + ;; + esac + if test "$valid_a_lib" != yes; then + $ECHO + $ECHO "*** Warning: Trying to link with static lib archive $deplib." + $ECHO "*** I have the capability to make that library automatically link in when" + $ECHO "*** you link to this library. But I can only do this if you have a" + $ECHO "*** shared version of the library, which you do not appear to have" + $ECHO "*** because the file extensions .$libext of this argument makes me believe" + $ECHO "*** that it is just a static archive that I should not use here." + else + $ECHO + $ECHO "*** Warning: Linking the shared library $output against the" + $ECHO "*** static library $deplib is not portable!" + deplibs="$deplib $deplibs" + fi + ;; + esac + continue + ;; + prog) + if test "$pass" != link; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + continue + ;; + esac # linkmode + ;; # *.$libext + *.lo | *.$objext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + elif test "$linkmode" = prog; then + if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then + # If there is no dlopen support or we're linking statically, + # we need to preload. + newdlprefiles="$newdlprefiles $deplib" + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + newdlfiles="$newdlfiles $deplib" + fi + fi + continue + ;; + %DEPLIBS%) + alldeplibs=yes + continue + ;; + esac # case $deplib + + if test "$found" = yes || test -f "$lib"; then : + else + func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" + fi + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$lib" \ + || func_fatal_error "\`$lib' is not a valid libtool archive" + + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + + dlname= + dlopen= + dlpreopen= + libdir= + library_names= + old_library= + inherited_linker_flags= + # If the library was installed with an old release of libtool, + # it will not redefine variables installed, or shouldnotlink + installed=yes + shouldnotlink=no + avoidtemprpath= + + + # Read the .la file + func_source "$lib" + + # Convert "-framework foo" to "foo.ltframework" + if test -n "$inherited_linker_flags"; then + tmp_inherited_linker_flags=`$ECHO "X$inherited_linker_flags" | $Xsed -e 's/-framework \([^ $]*\)/\1.ltframework/g'` + for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do + case " $new_inherited_linker_flags " in + *" $tmp_inherited_linker_flag "*) ;; + *) new_inherited_linker_flags="$new_inherited_linker_flags $tmp_inherited_linker_flag";; + esac + done + fi + dependency_libs=`$ECHO "X $dependency_libs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan" || + { test "$linkmode" != prog && test "$linkmode" != lib; }; then + test -n "$dlopen" && dlfiles="$dlfiles $dlopen" + test -n "$dlpreopen" && dlprefiles="$dlprefiles $dlpreopen" + fi + + if test "$pass" = conv; then + # Only check for convenience libraries + deplibs="$lib $deplibs" + if test -z "$libdir"; then + if test -z "$old_library"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + # It is a libtool convenience library, so add in its objects. + convenience="$convenience $ladir/$objdir/$old_library" + old_convenience="$old_convenience $ladir/$objdir/$old_library" + elif test "$linkmode" != prog && test "$linkmode" != lib; then + func_fatal_error "\`$lib' is not a convenience library" + fi + tmp_libs= + for deplib in $dependency_libs; do + deplibs="$deplib $deplibs" + if $opt_duplicate_deps ; then + case "$tmp_libs " in + *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; + esac + fi + tmp_libs="$tmp_libs $deplib" + done + continue + fi # $pass = conv + + + # Get the name of the library we link against. + linklib= + for l in $old_library $library_names; do + linklib="$l" + done + if test -z "$linklib"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + + # This library was specified with -dlopen. + if test "$pass" = dlopen; then + if test -z "$libdir"; then + func_fatal_error "cannot -dlopen a convenience library: \`$lib'" + fi + if test -z "$dlname" || + test "$dlopen_support" != yes || + test "$build_libtool_libs" = no; then + # If there is no dlname, no dlopen support or we're linking + # statically, we need to preload. We also need to preload any + # dependent libraries so libltdl's deplib preloader doesn't + # bomb out in the load deplibs phase. + dlprefiles="$dlprefiles $lib $dependency_libs" + else + newdlfiles="$newdlfiles $lib" + fi + continue + fi # $pass = dlopen + + # We need an absolute path. + case $ladir in + [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; + *) + abs_ladir=`cd "$ladir" && pwd` + if test -z "$abs_ladir"; then + func_warning "cannot determine absolute directory name of \`$ladir'" + func_warning "passing it literally to the linker, although it might fail" + abs_ladir="$ladir" + fi + ;; + esac + func_basename "$lib" + laname="$func_basename_result" + + # Find the relevant object directory and library name. + if test "X$installed" = Xyes; then + if test ! -f "$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then + func_warning "library \`$lib' was moved." + dir="$ladir" + absdir="$abs_ladir" + libdir="$abs_ladir" + else + dir="$libdir" + absdir="$libdir" + fi + test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes + else + if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then + dir="$ladir" + absdir="$abs_ladir" + # Remove this search path later + notinst_path="$notinst_path $abs_ladir" + else + dir="$ladir/$objdir" + absdir="$abs_ladir/$objdir" + # Remove this search path later + notinst_path="$notinst_path $abs_ladir" + fi + fi # $installed = yes + func_stripname 'lib' '.la' "$laname" + name=$func_stripname_result + + # This library was specified with -dlpreopen. + if test "$pass" = dlpreopen; then + if test -z "$libdir" && test "$linkmode" = prog; then + func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" + fi + # Prefer using a static library (so that no silly _DYNAMIC symbols + # are required to link). + if test -n "$old_library"; then + newdlprefiles="$newdlprefiles $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + dlpreconveniencelibs="$dlpreconveniencelibs $dir/$old_library" + # Otherwise, use the dlname, so that lt_dlopen finds it. + elif test -n "$dlname"; then + newdlprefiles="$newdlprefiles $dir/$dlname" + else + newdlprefiles="$newdlprefiles $dir/$linklib" + fi + fi # $pass = dlpreopen + + if test -z "$libdir"; then + # Link the convenience library + if test "$linkmode" = lib; then + deplibs="$dir/$old_library $deplibs" + elif test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$dir/$old_library $compile_deplibs" + finalize_deplibs="$dir/$old_library $finalize_deplibs" + else + deplibs="$lib $deplibs" # used for prog,scan pass + fi + continue + fi + + + if test "$linkmode" = prog && test "$pass" != link; then + newlib_search_path="$newlib_search_path $ladir" + deplibs="$lib $deplibs" + + linkalldeplibs=no + if test "$link_all_deplibs" != no || test -z "$library_names" || + test "$build_libtool_libs" = no; then + linkalldeplibs=yes + fi + + tmp_libs= + for deplib in $dependency_libs; do + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + newlib_search_path="$newlib_search_path $func_stripname_result" + ;; + esac + # Need to link against all dependency_libs? + if test "$linkalldeplibs" = yes; then + deplibs="$deplib $deplibs" + else + # Need to hardcode shared library paths + # or/and link against static libraries + newdependency_libs="$deplib $newdependency_libs" + fi + if $opt_duplicate_deps ; then + case "$tmp_libs " in + *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; + esac + fi + tmp_libs="$tmp_libs $deplib" + done # for deplib + continue + fi # $linkmode = prog... + + if test "$linkmode,$pass" = "prog,link"; then + if test -n "$library_names" && + { { test "$prefer_static_libs" = no || + test "$prefer_static_libs,$installed" = "built,yes"; } || + test -z "$old_library"; }; then + # We need to hardcode the library path + if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then + # Make sure the rpath contains only unique directories. + case "$temp_rpath:" in + *"$absdir:"*) ;; + *) temp_rpath="$temp_rpath$absdir:" ;; + esac + fi + + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) compile_rpath="$compile_rpath $absdir" + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) finalize_rpath="$finalize_rpath $libdir" + esac + ;; + esac + fi # $linkmode,$pass = prog,link... + + if test "$alldeplibs" = yes && + { test "$deplibs_check_method" = pass_all || + { test "$build_libtool_libs" = yes && + test -n "$library_names"; }; }; then + # We only need to search for static libraries + continue + fi + fi + + link_static=no # Whether the deplib will be linked statically + use_static_libs=$prefer_static_libs + if test "$use_static_libs" = built && test "$installed" = yes; then + use_static_libs=no + fi + if test -n "$library_names" && + { test "$use_static_libs" = no || test -z "$old_library"; }; then + case $host in + *cygwin* | *mingw* | *cegcc*) + # No point in relinking DLLs because paths are not encoded + notinst_deplibs="$notinst_deplibs $lib" + need_relink=no + ;; + *) + if test "$installed" = no; then + notinst_deplibs="$notinst_deplibs $lib" + need_relink=yes + fi + ;; + esac + # This is a shared library + + # Warn about portability, can't link against -module's on some + # systems (darwin). Don't bleat about dlopened modules though! + dlopenmodule="" + for dlpremoduletest in $dlprefiles; do + if test "X$dlpremoduletest" = "X$lib"; then + dlopenmodule="$dlpremoduletest" + break + fi + done + if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then + $ECHO + if test "$linkmode" = prog; then + $ECHO "*** Warning: Linking the executable $output against the loadable module" + else + $ECHO "*** Warning: Linking the shared library $output against the loadable module" + fi + $ECHO "*** $linklib is not portable!" + fi + if test "$linkmode" = lib && + test "$hardcode_into_libs" = yes; then + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) compile_rpath="$compile_rpath $absdir" + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) finalize_rpath="$finalize_rpath $libdir" + esac + ;; + esac + fi + + if test -n "$old_archive_from_expsyms_cmds"; then + # figure out the soname + set dummy $library_names + shift + realname="$1" + shift + libname=`eval "\\$ECHO \"$libname_spec\""` + # use dlname if we got it. it's perfectly good, no? + if test -n "$dlname"; then + soname="$dlname" + elif test -n "$soname_spec"; then + # bleh windows + case $host in + *cygwin* | mingw* | *cegcc*) + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + esac + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + + # Make a new name for the extract_expsyms_cmds to use + soroot="$soname" + func_basename "$soroot" + soname="$func_basename_result" + func_stripname 'lib' '.dll' "$soname" + newlib=libimp-$func_stripname_result.a + + # If the library has no export list, then create one now + if test -f "$output_objdir/$soname-def"; then : + else + func_verbose "extracting exported symbol list from \`$soname'" + func_execute_cmds "$extract_expsyms_cmds" 'exit $?' + fi + + # Create $newlib + if test -f "$output_objdir/$newlib"; then :; else + func_verbose "generating import library for \`$soname'" + func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' + fi + # make sure the library variables are pointing to the new library + dir=$output_objdir + linklib=$newlib + fi # test -n "$old_archive_from_expsyms_cmds" + + if test "$linkmode" = prog || test "$mode" != relink; then + add_shlibpath= + add_dir= + add= + lib_linked=yes + case $hardcode_action in + immediate | unsupported) + if test "$hardcode_direct" = no; then + add="$dir/$linklib" + case $host in + *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; + *-*-sysv4*uw2*) add_dir="-L$dir" ;; + *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ + *-*-unixware7*) add_dir="-L$dir" ;; + *-*-darwin* ) + # if the lib is a (non-dlopened) module then we can not + # link against it, someone is ignoring the earlier warnings + if /usr/bin/file -L $add 2> /dev/null | + $GREP ": [^:]* bundle" >/dev/null ; then + if test "X$dlopenmodule" != "X$lib"; then + $ECHO "*** Warning: lib $linklib is a module, not a shared library" + if test -z "$old_library" ; then + $ECHO + $ECHO "*** And there doesn't seem to be a static archive available" + $ECHO "*** The link will probably fail, sorry" + else + add="$dir/$old_library" + fi + elif test -n "$old_library"; then + add="$dir/$old_library" + fi + fi + esac + elif test "$hardcode_minus_L" = no; then + case $host in + *-*-sunos*) add_shlibpath="$dir" ;; + esac + add_dir="-L$dir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = no; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + relink) + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$dir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$dir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + add_dir="$add_dir -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + *) lib_linked=no ;; + esac + + if test "$lib_linked" != yes; then + func_fatal_configuration "unsupported hardcode properties" + fi + + if test -n "$add_shlibpath"; then + case :$compile_shlibpath: in + *":$add_shlibpath:"*) ;; + *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; + esac + fi + if test "$linkmode" = prog; then + test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" + test -n "$add" && compile_deplibs="$add $compile_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + if test "$hardcode_direct" != yes && + test "$hardcode_minus_L" != yes && + test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; + esac + fi + fi + fi + + if test "$linkmode" = prog || test "$mode" = relink; then + add_shlibpath= + add_dir= + add= + # Finalize command for both is simple: just hardcode it. + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$libdir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$libdir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; + esac + add="-l$name" + elif test "$hardcode_automatic" = yes; then + if test -n "$inst_prefix_dir" && + test -f "$inst_prefix_dir$libdir/$linklib" ; then + add="$inst_prefix_dir$libdir/$linklib" + else + add="$libdir/$linklib" + fi + else + # We cannot seem to hardcode it, guess we'll fake it. + add_dir="-L$libdir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + add_dir="$add_dir -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + fi + + if test "$linkmode" = prog; then + test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" + test -n "$add" && finalize_deplibs="$add $finalize_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + fi + fi + elif test "$linkmode" = prog; then + # Here we assume that one of hardcode_direct or hardcode_minus_L + # is not unsupported. This is valid on all known static and + # shared platforms. + if test "$hardcode_direct" != unsupported; then + test -n "$old_library" && linklib="$old_library" + compile_deplibs="$dir/$linklib $compile_deplibs" + finalize_deplibs="$dir/$linklib $finalize_deplibs" + else + compile_deplibs="-l$name -L$dir $compile_deplibs" + finalize_deplibs="-l$name -L$dir $finalize_deplibs" + fi + elif test "$build_libtool_libs" = yes; then + # Not a shared library + if test "$deplibs_check_method" != pass_all; then + # We're trying link a shared library against a static one + # but the system doesn't support it. + + # Just print a warning and add the library to dependency_libs so + # that the program can be linked against the static library. + $ECHO + $ECHO "*** Warning: This system can not link to static lib archive $lib." + $ECHO "*** I have the capability to make that library automatically link in when" + $ECHO "*** you link to this library. But I can only do this if you have a" + $ECHO "*** shared version of the library, which you do not appear to have." + if test "$module" = yes; then + $ECHO "*** But as you try to build a module library, libtool will still create " + $ECHO "*** a static module, that should work as long as the dlopening application" + $ECHO "*** is linked with the -dlopen flag to resolve symbols at runtime." + if test -z "$global_symbol_pipe"; then + $ECHO + $ECHO "*** However, this would only work if libtool was able to extract symbol" + $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could" + $ECHO "*** not find such a program. So, this module is probably useless." + $ECHO "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + else + deplibs="$dir/$old_library $deplibs" + link_static=yes + fi + fi # link shared/static library? + + if test "$linkmode" = lib; then + if test -n "$dependency_libs" && + { test "$hardcode_into_libs" != yes || + test "$build_old_libs" = yes || + test "$link_static" = yes; }; then + # Extract -R from dependency_libs + temp_deplibs= + for libdir in $dependency_libs; do + case $libdir in + -R*) func_stripname '-R' '' "$libdir" + temp_xrpath=$func_stripname_result + case " $xrpath " in + *" $temp_xrpath "*) ;; + *) xrpath="$xrpath $temp_xrpath";; + esac;; + *) temp_deplibs="$temp_deplibs $libdir";; + esac + done + dependency_libs="$temp_deplibs" + fi + + newlib_search_path="$newlib_search_path $absdir" + # Link against this library + test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" + # ... and its dependency_libs + tmp_libs= + for deplib in $dependency_libs; do + newdependency_libs="$deplib $newdependency_libs" + if $opt_duplicate_deps ; then + case "$tmp_libs " in + *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; + esac + fi + tmp_libs="$tmp_libs $deplib" + done + + if test "$link_all_deplibs" != no; then + # Add the search paths of all dependency libraries + for deplib in $dependency_libs; do + case $deplib in + -L*) path="$deplib" ;; + *.la) + func_dirname "$deplib" "" "." + dir="$func_dirname_result" + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; + *) + absdir=`cd "$dir" && pwd` + if test -z "$absdir"; then + func_warning "cannot determine absolute directory name of \`$dir'" + absdir="$dir" + fi + ;; + esac + if $GREP "^installed=no" $deplib > /dev/null; then + case $host in + *-*-darwin*) + depdepl= + eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` + if test -n "$deplibrary_names" ; then + for tmp in $deplibrary_names ; do + depdepl=$tmp + done + if test -f "$absdir/$objdir/$depdepl" ; then + depdepl="$absdir/$objdir/$depdepl" + darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + if test -z "$darwin_install_name"; then + darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + fi + compiler_flags="$compiler_flags ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" + linker_flags="$linker_flags -dylib_file ${darwin_install_name}:${depdepl}" + path= + fi + fi + ;; + *) + path="-L$absdir/$objdir" + ;; + esac + else + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + test "$absdir" != "$libdir" && \ + func_warning "\`$deplib' seems to be moved" + + path="-L$absdir" + fi + ;; + esac + case " $deplibs " in + *" $path "*) ;; + *) deplibs="$path $deplibs" ;; + esac + done + fi # link_all_deplibs != no + fi # linkmode = lib + done # for deplib in $libs + if test "$pass" = link; then + if test "$linkmode" = "prog"; then + compile_deplibs="$new_inherited_linker_flags $compile_deplibs" + finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" + else + compiler_flags="$compiler_flags "`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` + fi + fi + dependency_libs="$newdependency_libs" + if test "$pass" = dlpreopen; then + # Link the dlpreopened libraries before other libraries + for deplib in $save_deplibs; do + deplibs="$deplib $deplibs" + done + fi + if test "$pass" != dlopen; then + if test "$pass" != conv; then + # Make sure lib_search_path contains only unique directories. + lib_search_path= + for dir in $newlib_search_path; do + case "$lib_search_path " in + *" $dir "*) ;; + *) lib_search_path="$lib_search_path $dir" ;; + esac + done + newlib_search_path= + fi + + if test "$linkmode,$pass" != "prog,link"; then + vars="deplibs" + else + vars="compile_deplibs finalize_deplibs" + fi + for var in $vars dependency_libs; do + # Add libraries to $var in reverse order + eval tmp_libs=\"\$$var\" + new_libs= + for deplib in $tmp_libs; do + # FIXME: Pedantically, this is the right thing to do, so + # that some nasty dependency loop isn't accidentally + # broken: + #new_libs="$deplib $new_libs" + # Pragmatically, this seems to cause very few problems in + # practice: + case $deplib in + -L*) new_libs="$deplib $new_libs" ;; + -R*) ;; + *) + # And here is the reason: when a library appears more + # than once as an explicit dependence of a library, or + # is implicitly linked in more than once by the + # compiler, it is considered special, and multiple + # occurrences thereof are not removed. Compare this + # with having the same library being listed as a + # dependency of multiple other libraries: in this case, + # we know (pedantically, we assume) the library does not + # need to be listed more than once, so we keep only the + # last copy. This is not always right, but it is rare + # enough that we require users that really mean to play + # such unportable linking tricks to link the library + # using -Wl,-lname, so that libtool does not consider it + # for duplicate removal. + case " $specialdeplibs " in + *" $deplib "*) new_libs="$deplib $new_libs" ;; + *) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$deplib $new_libs" ;; + esac + ;; + esac + ;; + esac + done + tmp_libs= + for deplib in $new_libs; do + case $deplib in + -L*) + case " $tmp_libs " in + *" $deplib "*) ;; + *) tmp_libs="$tmp_libs $deplib" ;; + esac + ;; + *) tmp_libs="$tmp_libs $deplib" ;; + esac + done + eval $var=\"$tmp_libs\" + done # for var + fi + # Last step: remove runtime libs from dependency_libs + # (they stay in deplibs) + tmp_libs= + for i in $dependency_libs ; do + case " $predeps $postdeps $compiler_lib_search_path " in + *" $i "*) + i="" + ;; + esac + if test -n "$i" ; then + tmp_libs="$tmp_libs $i" + fi + done + dependency_libs=$tmp_libs + done # for pass + if test "$linkmode" = prog; then + dlfiles="$newdlfiles" + fi + if test "$linkmode" = prog || test "$linkmode" = lib; then + dlprefiles="$newdlprefiles" + fi + + case $linkmode in + oldlib) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for archives" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for archives" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for archives" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for archives" + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for archives" + + test -n "$release" && \ + func_warning "\`-release' is ignored for archives" + + test -n "$export_symbols$export_symbols_regex" && \ + func_warning "\`-export-symbols' is ignored for archives" + + # Now set the variables for building old libraries. + build_libtool_libs=no + oldlibs="$output" + objs="$objs$old_deplibs" + ;; + + lib) + # Make sure we only generate libraries of the form `libNAME.la'. + case $outputname in + lib*) + func_stripname 'lib' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + ;; + *) + test "$module" = no && \ + func_fatal_help "libtool library \`$output' must begin with \`lib'" + + if test "$need_lib_prefix" != no; then + # Add the "lib" prefix for modules if required + func_stripname '' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + else + func_stripname '' '.la' "$outputname" + libname=$func_stripname_result + fi + ;; + esac + + if test -n "$objs"; then + if test "$deplibs_check_method" != pass_all; then + func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" + else + $ECHO + $ECHO "*** Warning: Linking the shared library $output against the non-libtool" + $ECHO "*** objects $objs is not portable!" + libobjs="$libobjs $objs" + fi + fi + + test "$dlself" != no && \ + func_warning "\`-dlopen self' is ignored for libtool libraries" + + set dummy $rpath + shift + test "$#" -gt 1 && \ + func_warning "ignoring multiple \`-rpath's for a libtool library" + + install_libdir="$1" + + oldlibs= + if test -z "$rpath"; then + if test "$build_libtool_libs" = yes; then + # Building a libtool convenience library. + # Some compilers have problems with a `.al' extension so + # convenience libraries should have the same extension an + # archive normally would. + oldlibs="$output_objdir/$libname.$libext $oldlibs" + build_libtool_libs=convenience + build_old_libs=yes + fi + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for convenience libraries" + + test -n "$release" && \ + func_warning "\`-release' is ignored for convenience libraries" + else + + # Parse the version information argument. + save_ifs="$IFS"; IFS=':' + set dummy $vinfo 0 0 0 + shift + IFS="$save_ifs" + + test -n "$7" && \ + func_fatal_help "too many parameters to \`-version-info'" + + # convert absolute version numbers to libtool ages + # this retains compatibility with .la files and attempts + # to make the code below a bit more comprehensible + + case $vinfo_number in + yes) + number_major="$1" + number_minor="$2" + number_revision="$3" + # + # There are really only two kinds -- those that + # use the current revision as the major version + # and those that subtract age and use age as + # a minor version. But, then there is irix + # which has an extra 1 added just for fun + # + case $version_type in + darwin|linux|osf|windows|none) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_revision" + ;; + freebsd-aout|freebsd-elf|sunos) + current="$number_major" + revision="$number_minor" + age="0" + ;; + irix|nonstopux) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_minor" + lt_irix_increment=no + ;; + esac + ;; + no) + current="$1" + revision="$2" + age="$3" + ;; + esac + + # Check that each of the things are valid numbers. + case $current in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "CURRENT \`$current' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $revision in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "REVISION \`$revision' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $age in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "AGE \`$age' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + if test "$age" -gt "$current"; then + func_error "AGE \`$age' is greater than the current interface number \`$current'" + func_fatal_error "\`$vinfo' is not valid version information" + fi + + # Calculate the version variables. + major= + versuffix= + verstring= + case $version_type in + none) ;; + + darwin) + # Like Linux, but with the current version available in + # verstring for coding it into the library header + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + # Darwin ld doesn't like 0 for these options... + func_arith $current + 1 + minor_current=$func_arith_result + xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + ;; + + freebsd-aout) + major=".$current" + versuffix=".$current.$revision"; + ;; + + freebsd-elf) + major=".$current" + versuffix=".$current" + ;; + + irix | nonstopux) + if test "X$lt_irix_increment" = "Xno"; then + func_arith $current - $age + else + func_arith $current - $age + 1 + fi + major=$func_arith_result + + case $version_type in + nonstopux) verstring_prefix=nonstopux ;; + *) verstring_prefix=sgi ;; + esac + verstring="$verstring_prefix$major.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$revision + while test "$loop" -ne 0; do + func_arith $revision - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring_prefix$major.$iface:$verstring" + done + + # Before this point, $major must not contain `.'. + major=.$major + versuffix="$major.$revision" + ;; + + linux) + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + ;; + + osf) + func_arith $current - $age + major=.$func_arith_result + versuffix=".$current.$age.$revision" + verstring="$current.$age.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$age + while test "$loop" -ne 0; do + func_arith $current - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring:${iface}.0" + done + + # Make executables depend on our current version. + verstring="$verstring:${current}.0" + ;; + + qnx) + major=".$current" + versuffix=".$current" + ;; + + sunos) + major=".$current" + versuffix=".$current.$revision" + ;; + + windows) + # Use '-' rather than '.', since we only want one + # extension on DOS 8.3 filesystems. + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + + *) + func_fatal_configuration "unknown library version type \`$version_type'" + ;; + esac + + # Clear the version info if we defaulted, and they specified a release. + if test -z "$vinfo" && test -n "$release"; then + major= + case $version_type in + darwin) + # we can't check for "0.0" in archive_cmds due to quoting + # problems, so we reset it completely + verstring= + ;; + *) + verstring="0.0" + ;; + esac + if test "$need_version" = no; then + versuffix= + else + versuffix=".0.0" + fi + fi + + # Remove version info from name if versioning should be avoided + if test "$avoid_version" = yes && test "$need_version" = no; then + major= + versuffix= + verstring="" + fi + + # Check to see if the archive will have undefined symbols. + if test "$allow_undefined" = yes; then + if test "$allow_undefined_flag" = unsupported; then + func_warning "undefined symbols not allowed in $host shared libraries" + build_libtool_libs=no + build_old_libs=yes + fi + else + # Don't allow undefined symbols. + allow_undefined_flag="$no_undefined_flag" + fi + + fi + + func_generate_dlsyms "$libname" "$libname" "yes" + libobjs="$libobjs $symfileobj" + test "X$libobjs" = "X " && libobjs= + + if test "$mode" != relink; then + # Remove our outputs, but don't remove object files since they + # may have been created when compiling PIC objects. + removelist= + tempremovelist=`$ECHO "$output_objdir/*"` + for p in $tempremovelist; do + case $p in + *.$objext | *.gcno) + ;; + $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) + if test "X$precious_files_regex" != "X"; then + if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 + then + continue + fi + fi + removelist="$removelist $p" + ;; + *) ;; + esac + done + test -n "$removelist" && \ + func_show_eval "${RM}r \$removelist" + fi + + # Now set the variables for building old libraries. + if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then + oldlibs="$oldlibs $output_objdir/$libname.$libext" + + # Transform .lo files to .o files. + oldobjs="$objs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}'$/d' -e "$lo2o" | $NL2SP` + fi + + # Eliminate all temporary directories. + #for path in $notinst_path; do + # lib_search_path=`$ECHO "X$lib_search_path " | $Xsed -e "s% $path % %g"` + # deplibs=`$ECHO "X$deplibs " | $Xsed -e "s% -L$path % %g"` + # dependency_libs=`$ECHO "X$dependency_libs " | $Xsed -e "s% -L$path % %g"` + #done + + if test -n "$xrpath"; then + # If the user specified any rpath flags, then add them. + temp_xrpath= + for libdir in $xrpath; do + temp_xrpath="$temp_xrpath -R$libdir" + case "$finalize_rpath " in + *" $libdir "*) ;; + *) finalize_rpath="$finalize_rpath $libdir" ;; + esac + done + if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then + dependency_libs="$temp_xrpath $dependency_libs" + fi + fi + + # Make sure dlfiles contains only unique files that won't be dlpreopened + old_dlfiles="$dlfiles" + dlfiles= + for lib in $old_dlfiles; do + case " $dlprefiles $dlfiles " in + *" $lib "*) ;; + *) dlfiles="$dlfiles $lib" ;; + esac + done + + # Make sure dlprefiles contains only unique files + old_dlprefiles="$dlprefiles" + dlprefiles= + for lib in $old_dlprefiles; do + case "$dlprefiles " in + *" $lib "*) ;; + *) dlprefiles="$dlprefiles $lib" ;; + esac + done + + if test "$build_libtool_libs" = yes; then + if test -n "$rpath"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc*) + # these systems don't actually have a c library (as such)! + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C library is in the System framework + deplibs="$deplibs System.ltframework" + ;; + *-*-netbsd*) + # Don't link with libc until the a.out ld.so is fixed. + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + ;; + *) + # Add libc to deplibs on all other systems if necessary. + if test "$build_libtool_need_lc" = "yes"; then + deplibs="$deplibs -lc" + fi + ;; + esac + fi + + # Transform deplibs into only deplibs that can be linked in shared. + name_save=$name + libname_save=$libname + release_save=$release + versuffix_save=$versuffix + major_save=$major + # I'm not sure if I'm treating the release correctly. I think + # release should show up in the -l (ie -lgmp5) so we don't want to + # add it in twice. Is that correct? + release="" + versuffix="" + major="" + newdeplibs= + droppeddeps=no + case $deplibs_check_method in + pass_all) + # Don't check for shared/static. Everything works. + # This might be a little naive. We might want to check + # whether the library exists or not. But this is on + # osf3 & osf4 and I'm not really sure... Just + # implementing what was already the behavior. + newdeplibs=$deplibs + ;; + test_compile) + # This code stresses the "libraries are programs" paradigm to its + # limits. Maybe even breaks it. We compile a program, linking it + # against the deplibs as a proxy for the library. Then we can check + # whether they linked in statically or dynamically with ldd. + $opt_dry_run || $RM conftest.c + cat > conftest.c </dev/null` + for potent_lib in $potential_libs; do + # Follow soft links. + if ls -lLd "$potent_lib" 2>/dev/null | + $GREP " -> " >/dev/null; then + continue + fi + # The statement above tries to avoid entering an + # endless loop below, in case of cyclic links. + # We might still enter an endless loop, since a link + # loop can be closed while we follow links, + # but so what? + potlib="$potent_lib" + while test -h "$potlib" 2>/dev/null; do + potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` + case $potliblink in + [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; + *) potlib=`$ECHO "X$potlib" | $Xsed -e 's,[^/]*$,,'`"$potliblink";; + esac + done + if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | + $SED -e 10q | + $EGREP "$file_magic_regex" > /dev/null; then + newdeplibs="$newdeplibs $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + $ECHO + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + $ECHO "*** I have the capability to make that library automatically link in when" + $ECHO "*** you link to this library. But I can only do this if you have a" + $ECHO "*** shared version of the library, which you do not appear to have" + $ECHO "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for file magic test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a file magic. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + newdeplibs="$newdeplibs $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + for a_deplib in $deplibs; do + case $a_deplib in + -l*) + func_stripname -l '' "$a_deplib" + name=$func_stripname_result + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $a_deplib "*) + newdeplibs="$newdeplibs $a_deplib" + a_deplib="" + ;; + esac + fi + if test -n "$a_deplib" ; then + libname=`eval "\\$ECHO \"$libname_spec\""` + for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do + potential_libs=`ls $i/$libname[.-]* 2>/dev/null` + for potent_lib in $potential_libs; do + potlib="$potent_lib" # see symlink-check above in file_magic test + if eval "\$ECHO \"X$potent_lib\"" 2>/dev/null | $Xsed -e 10q | \ + $EGREP "$match_pattern_regex" > /dev/null; then + newdeplibs="$newdeplibs $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + $ECHO + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + $ECHO "*** I have the capability to make that library automatically link in when" + $ECHO "*** you link to this library. But I can only do this if you have a" + $ECHO "*** shared version of the library, which you do not appear to have" + $ECHO "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a regex pattern. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + newdeplibs="$newdeplibs $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + none | unknown | *) + newdeplibs="" + tmp_deplibs=`$ECHO "X $deplibs" | $Xsed \ + -e 's/ -lc$//' -e 's/ -[LR][^ ]*//g'` + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + for i in $predeps $postdeps ; do + # can't use Xsed below, because $i might contain '/' + tmp_deplibs=`$ECHO "X $tmp_deplibs" | $Xsed -e "s,$i,,"` + done + fi + if $ECHO "X $tmp_deplibs" | $Xsed -e 's/[ ]//g' | + $GREP . >/dev/null; then + $ECHO + if test "X$deplibs_check_method" = "Xnone"; then + $ECHO "*** Warning: inter-library dependencies are not supported in this platform." + else + $ECHO "*** Warning: inter-library dependencies are not known to be supported." + fi + $ECHO "*** All declared inter-library dependencies are being dropped." + droppeddeps=yes + fi + ;; + esac + versuffix=$versuffix_save + major=$major_save + release=$release_save + libname=$libname_save + name=$name_save + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library with the System framework + newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's/ -lc / System.ltframework /'` + ;; + esac + + if test "$droppeddeps" = yes; then + if test "$module" = yes; then + $ECHO + $ECHO "*** Warning: libtool could not satisfy all declared inter-library" + $ECHO "*** dependencies of module $libname. Therefore, libtool will create" + $ECHO "*** a static module, that should work as long as the dlopening" + $ECHO "*** application is linked with the -dlopen flag." + if test -z "$global_symbol_pipe"; then + $ECHO + $ECHO "*** However, this would only work if libtool was able to extract symbol" + $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could" + $ECHO "*** not find such a program. So, this module is probably useless." + $ECHO "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + else + $ECHO "*** The inter-library dependencies that have been dropped here will be" + $ECHO "*** automatically added whenever a program is linked with this library" + $ECHO "*** or is declared to -dlopen it." + + if test "$allow_undefined" = no; then + $ECHO + $ECHO "*** Since this library must not contain undefined symbols," + $ECHO "*** because either the platform does not support them or" + $ECHO "*** it was explicitly requested with -no-undefined," + $ECHO "*** libtool will only create a static version of it." + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + fi + fi + # Done checking deplibs! + deplibs=$newdeplibs + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + case $host in + *-*-darwin*) + newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` + new_inherited_linker_flags=`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` + deplibs=`$ECHO "X $deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $deplibs " in + *" -L$path/$objdir "*) + new_libs="$new_libs -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$new_libs $deplib" ;; + esac + ;; + *) new_libs="$new_libs $deplib" ;; + esac + done + deplibs="$new_libs" + + # All the library-specific variables (install_libdir is set above). + library_names= + old_library= + dlname= + + # Test again, we may have decided not to build it any more + if test "$build_libtool_libs" = yes; then + if test "$hardcode_into_libs" = yes; then + # Hardcode the library paths + hardcode_libdirs= + dep_rpath= + rpath="$finalize_rpath" + test "$mode" != relink && rpath="$compile_rpath$rpath" + for libdir in $rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + dep_rpath="$dep_rpath $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) perm_rpath="$perm_rpath $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + if test -n "$hardcode_libdir_flag_spec_ld"; then + eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" + else + eval dep_rpath=\"$hardcode_libdir_flag_spec\" + fi + fi + if test -n "$runpath_var" && test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + rpath="$rpath$dir:" + done + eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" + fi + test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" + fi + + shlibpath="$finalize_shlibpath" + test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath" + if test -n "$shlibpath"; then + eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" + fi + + # Get the real and link names of the library. + eval shared_ext=\"$shrext_cmds\" + eval library_names=\"$library_names_spec\" + set dummy $library_names + shift + realname="$1" + shift + + if test -n "$soname_spec"; then + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + if test -z "$dlname"; then + dlname=$soname + fi + + lib="$output_objdir/$realname" + linknames= + for link + do + linknames="$linknames $link" + done + + # Use standard objects if they are pic + test -z "$pic_flag" && libobjs=`$ECHO "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` + test "X$libobjs" = "X " && libobjs= + + delfiles= + if test -n "$export_symbols" && test -n "$include_expsyms"; then + $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" + export_symbols="$output_objdir/$libname.uexp" + delfiles="$delfiles $export_symbols" + fi + + orig_export_symbols= + case $host_os in + cygwin* | mingw* | cegcc*) + if test -n "$export_symbols" && test -z "$export_symbols_regex"; then + # exporting using user supplied symfile + if test "x`$SED 1q $export_symbols`" != xEXPORTS; then + # and it's NOT already a .def file. Must figure out + # which of the given symbols are data symbols and tag + # them as such. So, trigger use of export_symbols_cmds. + # export_symbols gets reassigned inside the "prepare + # the list of exported symbols" if statement, so the + # include_expsyms logic still works. + orig_export_symbols="$export_symbols" + export_symbols= + always_export_symbols=yes + fi + fi + ;; + esac + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + cmds=$export_symbols_cmds + save_ifs="$IFS"; IFS='~' + for cmd in $cmds; do + IFS="$save_ifs" + eval cmd=\"$cmd\" + func_len " $cmd" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + func_show_eval "$cmd" 'exit $?' + skipped_export=false + else + # The command line is too long to execute in one step. + func_verbose "using reloadable object file for export list..." + skipped_export=: + # Break out early, otherwise skipped_export may be + # set to false by a later but shorter cmd. + break + fi + done + IFS="$save_ifs" + if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + fi + + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"' + fi + + if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + + tmp_deplibs= + for test_deplib in $deplibs; do + case " $convenience " in + *" $test_deplib "*) ;; + *) + tmp_deplibs="$tmp_deplibs $test_deplib" + ;; + esac + done + deplibs="$tmp_deplibs" + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec" && + test "$compiler_needs_object" = yes && + test -z "$libobjs"; then + # extract the archives, so we have objects to list. + # TODO: could optimize this to just extract one archive. + whole_archive_flag_spec= + fi + if test -n "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + else + gentop="$output_objdir/${outputname}x" + generated="$generated $gentop" + + func_extract_archives $gentop $convenience + libobjs="$libobjs $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + fi + + if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then + eval flag=\"$thread_safe_flag_spec\" + linker_flags="$linker_flags $flag" + fi + + # Make a backup of the uninstalled library when relinking + if test "$mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? + fi + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + eval test_cmds=\"$module_expsym_cmds\" + cmds=$module_expsym_cmds + else + eval test_cmds=\"$module_cmds\" + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + eval test_cmds=\"$archive_expsym_cmds\" + cmds=$archive_expsym_cmds + else + eval test_cmds=\"$archive_cmds\" + cmds=$archive_cmds + fi + fi + + if test "X$skipped_export" != "X:" && + func_len " $test_cmds" && + len=$func_len_result && + test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + : + else + # The command line is too long to link in one step, link piecewise + # or, if using GNU ld and skipped_export is not :, use a linker + # script. + + # Save the value of $output and $libobjs because we want to + # use them later. If we have whole_archive_flag_spec, we + # want to use save_libobjs as it was before + # whole_archive_flag_spec was expanded, because we can't + # assume the linker understands whole_archive_flag_spec. + # This may have to be revisited, in case too many + # convenience libraries get linked in and end up exceeding + # the spec. + if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + fi + save_output=$output + output_la=`$ECHO "X$output" | $Xsed -e "$basename"` + + # Clear the reloadable object creation command queue and + # initialize k to one. + test_cmds= + concat_cmds= + objlist= + last_robj= + k=1 + + if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then + output=${output_objdir}/${output_la}.lnkscript + func_verbose "creating GNU ld script: $output" + $ECHO 'INPUT (' > $output + for obj in $save_libobjs + do + $ECHO "$obj" >> $output + done + $ECHO ')' >> $output + delfiles="$delfiles $output" + elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then + output=${output_objdir}/${output_la}.lnk + func_verbose "creating linker input file list: $output" + : > $output + set x $save_libobjs + shift + firstobj= + if test "$compiler_needs_object" = yes; then + firstobj="$1 " + shift + fi + for obj + do + $ECHO "$obj" >> $output + done + delfiles="$delfiles $output" + output=$firstobj\"$file_list_spec$output\" + else + if test -n "$save_libobjs"; then + func_verbose "creating reloadable object files..." + output=$output_objdir/$output_la-${k}.$objext + eval test_cmds=\"$reload_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + + # Loop over the list of objects to be linked. + for obj in $save_libobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + if test "X$objlist" = X || + test "$len" -lt "$max_cmd_len"; then + func_append objlist " $obj" + else + # The command $test_cmds is almost too long, add a + # command to the queue. + if test "$k" -eq 1 ; then + # The first file doesn't have a previous command to add. + eval concat_cmds=\"$reload_cmds $objlist $last_robj\" + else + # All subsequent reloadable object files will link in + # the last one created. + eval concat_cmds=\"\$concat_cmds~$reload_cmds $objlist $last_robj~\$RM $last_robj\" + fi + last_robj=$output_objdir/$output_la-${k}.$objext + func_arith $k + 1 + k=$func_arith_result + output=$output_objdir/$output_la-${k}.$objext + objlist=$obj + func_len " $last_robj" + func_arith $len0 + $func_len_result + len=$func_arith_result + fi + done + # Handle the remaining objects by creating one last + # reloadable object file. All subsequent reloadable object + # files will link in the last one created. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\" + if test -n "$last_robj"; then + eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" + fi + delfiles="$delfiles $output" + + else + output= + fi + + if ${skipped_export-false}; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + libobjs=$output + # Append the command to create the export file. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + fi + + test -n "$save_libobjs" && + func_verbose "creating a temporary reloadable object file: $output" + + # Loop through the commands generated above and execute them. + save_ifs="$IFS"; IFS='~' + for cmd in $concat_cmds; do + IFS="$save_ifs" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + if test -n "$export_symbols_regex" && ${skipped_export-false}; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + + if ${skipped_export-false}; then + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"' + fi + + if test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + fi + + libobjs=$output + # Restore the value of output. + output=$save_output + + if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + fi + # Expand the library linking commands again to reset the + # value of $libobjs for piecewise linking. + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + cmds=$module_expsym_cmds + else + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + cmds=$archive_expsym_cmds + else + cmds=$archive_cmds + fi + fi + fi + + if test -n "$delfiles"; then + # Append the command to remove temporary files to $cmds. + eval cmds=\"\$cmds~\$RM $delfiles\" + fi + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + generated="$generated $gentop" + + func_extract_archives $gentop $dlprefiles + libobjs="$libobjs $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + + save_ifs="$IFS"; IFS='~' + for cmd in $cmds; do + IFS="$save_ifs" + eval cmd=\"$cmd\" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + # Restore the uninstalled library and exit + if test "$mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? + + if test -n "$convenience"; then + if test -z "$whole_archive_flag_spec"; then + func_show_eval '${RM}r "$gentop"' + fi + fi + + exit $EXIT_SUCCESS + fi + + # Create links to the real library. + for linkname in $linknames; do + if test "$realname" != "$linkname"; then + func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' + fi + done + + # If -module or -export-dynamic was specified, set the dlname. + if test "$module" = yes || test "$export_dynamic" = yes; then + # On all known operating systems, these are identical. + dlname="$soname" + fi + fi + ;; + + obj) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for objects" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for objects" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for objects" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for objects" + + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for objects" + + test -n "$release" && \ + func_warning "\`-release' is ignored for objects" + + case $output in + *.lo) + test -n "$objs$old_deplibs" && \ + func_fatal_error "cannot build library object \`$output' from non-libtool objects" + + libobj=$output + func_lo2o "$libobj" + obj=$func_lo2o_result + ;; + *) + libobj= + obj="$output" + ;; + esac + + # Delete the old objects. + $opt_dry_run || $RM $obj $libobj + + # Objects from convenience libraries. This assumes + # single-version convenience libraries. Whenever we create + # different ones for PIC/non-PIC, this we'll have to duplicate + # the extraction. + reload_conv_objs= + gentop= + # reload_cmds runs $LD directly, so let us get rid of + # -Wl from whole_archive_flag_spec and hope we can get by with + # turning comma into space.. + wl= + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec"; then + eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" + reload_conv_objs=$reload_objs\ `$ECHO "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'` + else + gentop="$output_objdir/${obj}x" + generated="$generated $gentop" + + func_extract_archives $gentop $convenience + reload_conv_objs="$reload_objs $func_extract_archives_result" + fi + fi + + # Create the old-style object. + reload_objs="$objs$old_deplibs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test + + output="$obj" + func_execute_cmds "$reload_cmds" 'exit $?' + + # Exit if we aren't doing a library object file. + if test -z "$libobj"; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + fi + + if test "$build_libtool_libs" != yes; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + # Create an invalid libtool object if no PIC, so that we don't + # accidentally link it into a program. + # $show "echo timestamp > $libobj" + # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? + exit $EXIT_SUCCESS + fi + + if test -n "$pic_flag" || test "$pic_mode" != default; then + # Only do commands if we really have different PIC objects. + reload_objs="$libobjs $reload_conv_objs" + output="$libobj" + func_execute_cmds "$reload_cmds" 'exit $?' + fi + + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + ;; + + prog) + case $host in + *cygwin*) func_stripname '' '.exe' "$output" + output=$func_stripname_result.exe;; + esac + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for programs" + + test -n "$release" && \ + func_warning "\`-release' is ignored for programs" + + test "$preload" = yes \ + && test "$dlopen_support" = unknown \ + && test "$dlopen_self" = unknown \ + && test "$dlopen_self_static" = unknown && \ + func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library is the System framework + compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'` + finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'` + ;; + esac + + case $host in + *-*-darwin*) + # Don't allow lazy linking, it breaks C++ global constructors + # But is supposedly fixed on 10.4 or later (yay!). + if test "$tagname" = CXX ; then + case ${MACOSX_DEPLOYMENT_TARGET-10.0} in + 10.[0123]) + compile_command="$compile_command ${wl}-bind_at_load" + finalize_command="$finalize_command ${wl}-bind_at_load" + ;; + esac + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` + finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $compile_deplibs " in + *" -L$path/$objdir "*) + new_libs="$new_libs -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $compile_deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$new_libs $deplib" ;; + esac + ;; + *) new_libs="$new_libs $deplib" ;; + esac + done + compile_deplibs="$new_libs" + + + compile_command="$compile_command $compile_deplibs" + finalize_command="$finalize_command $finalize_deplibs" + + if test -n "$rpath$xrpath"; then + # If the user specified any rpath flags, then add them. + for libdir in $rpath $xrpath; do + # This is the magic to use -rpath. + case "$finalize_rpath " in + *" $libdir "*) ;; + *) finalize_rpath="$finalize_rpath $libdir" ;; + esac + done + fi + + # Now hardcode the library paths + rpath= + hardcode_libdirs= + for libdir in $compile_rpath $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + rpath="$rpath $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) perm_rpath="$perm_rpath $libdir" ;; + esac + fi + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$libdir:"*) ;; + ::) dllsearchpath=$libdir;; + *) dllsearchpath="$dllsearchpath:$libdir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) dllsearchpath="$dllsearchpath:$testbindir";; + esac + ;; + esac + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + compile_rpath="$rpath" + + rpath= + hardcode_libdirs= + for libdir in $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + rpath="$rpath $flag" + fi + elif test -n "$runpath_var"; then + case "$finalize_perm_rpath " in + *" $libdir "*) ;; + *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + finalize_rpath="$rpath" + + if test -n "$libobjs" && test "$build_old_libs" = yes; then + # Transform all the library objects into standard objects. + compile_command=`$ECHO "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` + finalize_command=`$ECHO "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` + fi + + func_generate_dlsyms "$outputname" "@PROGRAM@" "no" + + # template prelinking step + if test -n "$prelink_cmds"; then + func_execute_cmds "$prelink_cmds" 'exit $?' + fi + + wrappers_required=yes + case $host in + *cygwin* | *mingw* ) + if test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + *cegcc) + # Disable wrappers for cegcc, we are cross compiling anyway. + wrappers_required=no + ;; + *) + if test "$need_relink" = no || test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + esac + if test "$wrappers_required" = no; then + # Replace the output file specification. + compile_command=`$ECHO "X$compile_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` + link_command="$compile_command$compile_rpath" + + # We have no uninstalled library dependencies, so finalize right now. + exit_status=0 + func_show_eval "$link_command" 'exit_status=$?' + + # Delete the generated files. + if test -f "$output_objdir/${outputname}S.${objext}"; then + func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' + fi + + exit $exit_status + fi + + if test -n "$compile_shlibpath$finalize_shlibpath"; then + compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" + fi + if test -n "$finalize_shlibpath"; then + finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" + fi + + compile_var= + finalize_var= + if test -n "$runpath_var"; then + if test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + rpath="$rpath$dir:" + done + compile_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + if test -n "$finalize_perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $finalize_perm_rpath; do + rpath="$rpath$dir:" + done + finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + fi + + if test "$no_install" = yes; then + # We don't need to create a wrapper script. + link_command="$compile_var$compile_command$compile_rpath" + # Replace the output file specification. + link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` + # Delete the old output file. + $opt_dry_run || $RM $output + # Link the executable and exit + func_show_eval "$link_command" 'exit $?' + exit $EXIT_SUCCESS + fi + + if test "$hardcode_action" = relink; then + # Fast installation is not supported + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + + func_warning "this platform does not like uninstalled shared libraries" + func_warning "\`$output' will be relinked during installation" + else + if test "$fast_install" != no; then + link_command="$finalize_var$compile_command$finalize_rpath" + if test "$fast_install" = yes; then + relink_command=`$ECHO "X$compile_var$compile_command$compile_rpath" | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g'` + else + # fast_install is set to needless + relink_command= + fi + else + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + fi + fi + + # Replace the output file specification. + link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` + + # Delete the old output files. + $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname + + func_show_eval "$link_command" 'exit $?' + + # Now create the wrapper script. + func_verbose "creating $output" + + # Quote the relink command for shipping. + if test -n "$relink_command"; then + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + relink_command="(cd `pwd`; $relink_command)" + relink_command=`$ECHO "X$relink_command" | $Xsed -e "$sed_quote_subst"` + fi + + # Quote $ECHO for shipping. + if test "X$ECHO" = "X$SHELL $progpath --fallback-echo"; then + case $progpath in + [\\/]* | [A-Za-z]:[\\/]*) qecho="$SHELL $progpath --fallback-echo";; + *) qecho="$SHELL `pwd`/$progpath --fallback-echo";; + esac + qecho=`$ECHO "X$qecho" | $Xsed -e "$sed_quote_subst"` + else + qecho=`$ECHO "X$ECHO" | $Xsed -e "$sed_quote_subst"` + fi + + # Only actually do things if not in dry run mode. + $opt_dry_run || { + # win32 will think the script is a binary if it has + # a .exe suffix, so we strip it off here. + case $output in + *.exe) func_stripname '' '.exe' "$output" + output=$func_stripname_result ;; + esac + # test for cygwin because mv fails w/o .exe extensions + case $host in + *cygwin*) + exeext=.exe + func_stripname '' '.exe' "$outputname" + outputname=$func_stripname_result ;; + *) exeext= ;; + esac + case $host in + *cygwin* | *mingw* ) + func_dirname_and_basename "$output" "" "." + output_name=$func_basename_result + output_path=$func_dirname_result + cwrappersource="$output_path/$objdir/lt-$output_name.c" + cwrapper="$output_path/$output_name.exe" + $RM $cwrappersource $cwrapper + trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 + + func_emit_cwrapperexe_src > $cwrappersource + + # The wrapper executable is built using the $host compiler, + # because it contains $host paths and files. If cross- + # compiling, it, like the target executable, must be + # executed on the $host or under an emulation environment. + $opt_dry_run || { + $LTCC $LTCFLAGS -o $cwrapper $cwrappersource + $STRIP $cwrapper + } + + # Now, create the wrapper script for func_source use: + func_ltwrapper_scriptname $cwrapper + $RM $func_ltwrapper_scriptname_result + trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 + $opt_dry_run || { + # note: this script will not be executed, so do not chmod. + if test "x$build" = "x$host" ; then + $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result + else + func_emit_wrapper no > $func_ltwrapper_scriptname_result + fi + } + ;; + * ) + $RM $output + trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 + + func_emit_wrapper no > $output + chmod +x $output + ;; + esac + } + exit $EXIT_SUCCESS + ;; + esac + + # See if we need to build an old-fashioned archive. + for oldlib in $oldlibs; do + + if test "$build_libtool_libs" = convenience; then + oldobjs="$libobjs_save $symfileobj" + addlibs="$convenience" + build_libtool_libs=no + else + if test "$build_libtool_libs" = module; then + oldobjs="$libobjs_save" + build_libtool_libs=no + else + oldobjs="$old_deplibs $non_pic_objects" + if test "$preload" = yes && test -f "$symfileobj"; then + oldobjs="$oldobjs $symfileobj" + fi + fi + addlibs="$old_convenience" + fi + + if test -n "$addlibs"; then + gentop="$output_objdir/${outputname}x" + generated="$generated $gentop" + + func_extract_archives $gentop $addlibs + oldobjs="$oldobjs $func_extract_archives_result" + fi + + # Do each command in the archive commands. + if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then + cmds=$old_archive_from_new_cmds + else + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + generated="$generated $gentop" + + func_extract_archives $gentop $dlprefiles + oldobjs="$oldobjs $func_extract_archives_result" + fi + + # POSIX demands no paths to be encoded in archives. We have + # to avoid creating archives with duplicate basenames if we + # might have to extract them afterwards, e.g., when creating a + # static archive out of a convenience library, or when linking + # the entirety of a libtool archive into another (currently + # not supported by libtool). + if (for obj in $oldobjs + do + func_basename "$obj" + $ECHO "$func_basename_result" + done | sort | sort -uc >/dev/null 2>&1); then + : + else + $ECHO "copying selected object files to avoid basename conflicts..." + gentop="$output_objdir/${outputname}x" + generated="$generated $gentop" + func_mkdir_p "$gentop" + save_oldobjs=$oldobjs + oldobjs= + counter=1 + for obj in $save_oldobjs + do + func_basename "$obj" + objbase="$func_basename_result" + case " $oldobjs " in + " ") oldobjs=$obj ;; + *[\ /]"$objbase "*) + while :; do + # Make sure we don't pick an alternate name that also + # overlaps. + newobj=lt$counter-$objbase + func_arith $counter + 1 + counter=$func_arith_result + case " $oldobjs " in + *[\ /]"$newobj "*) ;; + *) if test ! -f "$gentop/$newobj"; then break; fi ;; + esac + done + func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" + oldobjs="$oldobjs $gentop/$newobj" + ;; + *) oldobjs="$oldobjs $obj" ;; + esac + done + fi + eval cmds=\"$old_archive_cmds\" + + func_len " $cmds" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + cmds=$old_archive_cmds + else + # the command line is too long to link in one step, link in parts + func_verbose "using piecewise archive linking..." + save_RANLIB=$RANLIB + RANLIB=: + objlist= + concat_cmds= + save_oldobjs=$oldobjs + oldobjs= + # Is there a better way of finding the last object in the list? + for obj in $save_oldobjs + do + last_oldobj=$obj + done + eval test_cmds=\"$old_archive_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + for obj in $save_oldobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + func_append objlist " $obj" + if test "$len" -lt "$max_cmd_len"; then + : + else + # the above command should be used before it gets too long + oldobjs=$objlist + if test "$obj" = "$last_oldobj" ; then + RANLIB=$save_RANLIB + fi + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\" + objlist= + len=$len0 + fi + done + RANLIB=$save_RANLIB + oldobjs=$objlist + if test "X$oldobjs" = "X" ; then + eval cmds=\"\$concat_cmds\" + else + eval cmds=\"\$concat_cmds~\$old_archive_cmds\" + fi + fi + fi + func_execute_cmds "$cmds" 'exit $?' + done + + test -n "$generated" && \ + func_show_eval "${RM}r$generated" + + # Now create the libtool archive. + case $output in + *.la) + old_library= + test "$build_old_libs" = yes && old_library="$libname.$libext" + func_verbose "creating $output" + + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + # Quote the link command for shipping. + relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" + relink_command=`$ECHO "X$relink_command" | $Xsed -e "$sed_quote_subst"` + if test "$hardcode_automatic" = yes ; then + relink_command= + fi + + # Only create the output if not a dry run. + $opt_dry_run || { + for installed in no yes; do + if test "$installed" = yes; then + if test -z "$install_libdir"; then + break + fi + output="$output_objdir/$outputname"i + # Replace all uninstalled libtool libraries with the installed ones + newdependency_libs= + for deplib in $dependency_libs; do + case $deplib in + *.la) + func_basename "$deplib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + newdependency_libs="$newdependency_libs $libdir/$name" + ;; + *) newdependency_libs="$newdependency_libs $deplib" ;; + esac + done + dependency_libs="$newdependency_libs" + newdlfiles= + + for lib in $dlfiles; do + case $lib in + *.la) + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + newdlfiles="$newdlfiles $libdir/$name" + ;; + *) newdlfiles="$newdlfiles $lib" ;; + esac + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + *.la) + # Only pass preopened files to the pseudo-archive (for + # eventual linking with the app. that links it) if we + # didn't already link the preopened objects directly into + # the library: + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + newdlprefiles="$newdlprefiles $libdir/$name" + ;; + esac + done + dlprefiles="$newdlprefiles" + else + newdlfiles= + for lib in $dlfiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + newdlfiles="$newdlfiles $abs" + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + newdlprefiles="$newdlprefiles $abs" + done + dlprefiles="$newdlprefiles" + fi + $RM $output + # place dlname in correct position for cygwin + tdlname=$dlname + case $host,$output,$installed,$module,$dlname in + *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) tdlname=../bin/$dlname ;; + esac + $ECHO > $output "\ +# $outputname - a libtool library file +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# The name that we can dlopen(3). +dlname='$tdlname' + +# Names of this library. +library_names='$library_names' + +# The name of the static archive. +old_library='$old_library' + +# Linker flags that can not go in dependency_libs. +inherited_linker_flags='$new_inherited_linker_flags' + +# Libraries that this one depends upon. +dependency_libs='$dependency_libs' + +# Names of additional weak libraries provided by this library +weak_library_names='$weak_libs' + +# Version information for $libname. +current=$current +age=$age +revision=$revision + +# Is this an already installed library? +installed=$installed + +# Should we warn about portability when linking against -modules? +shouldnotlink=$module + +# Files to dlopen/dlpreopen +dlopen='$dlfiles' +dlpreopen='$dlprefiles' + +# Directory that this library needs to be installed in: +libdir='$install_libdir'" + if test "$installed" = no && test "$need_relink" = yes; then + $ECHO >> $output "\ +relink_command=\"$relink_command\"" + fi + done + } + + # Do a symbolic link so that the libtool archive can be found in + # LD_LIBRARY_PATH before the program is installed. + func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' + ;; + esac + exit $EXIT_SUCCESS +} + +{ test "$mode" = link || test "$mode" = relink; } && + func_mode_link ${1+"$@"} + + +# func_mode_uninstall arg... +func_mode_uninstall () +{ + $opt_debug + RM="$nonopt" + files= + rmforce= + exit_status=0 + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + for arg + do + case $arg in + -f) RM="$RM $arg"; rmforce=yes ;; + -*) RM="$RM $arg" ;; + *) files="$files $arg" ;; + esac + done + + test -z "$RM" && \ + func_fatal_help "you must specify an RM program" + + rmdirs= + + origobjdir="$objdir" + for file in $files; do + func_dirname "$file" "" "." + dir="$func_dirname_result" + if test "X$dir" = X.; then + objdir="$origobjdir" + else + objdir="$dir/$origobjdir" + fi + func_basename "$file" + name="$func_basename_result" + test "$mode" = uninstall && objdir="$dir" + + # Remember objdir for removal later, being careful to avoid duplicates + if test "$mode" = clean; then + case " $rmdirs " in + *" $objdir "*) ;; + *) rmdirs="$rmdirs $objdir" ;; + esac + fi + + # Don't error if the file doesn't exist and rm -f was used. + if { test -L "$file"; } >/dev/null 2>&1 || + { test -h "$file"; } >/dev/null 2>&1 || + test -f "$file"; then + : + elif test -d "$file"; then + exit_status=1 + continue + elif test "$rmforce" = yes; then + continue + fi + + rmfiles="$file" + + case $name in + *.la) + # Possibly a libtool archive, so verify it. + if func_lalib_p "$file"; then + func_source $dir/$name + + # Delete the libtool libraries and symlinks. + for n in $library_names; do + rmfiles="$rmfiles $objdir/$n" + done + test -n "$old_library" && rmfiles="$rmfiles $objdir/$old_library" + + case "$mode" in + clean) + case " $library_names " in + # " " in the beginning catches empty $dlname + *" $dlname "*) ;; + *) rmfiles="$rmfiles $objdir/$dlname" ;; + esac + test -n "$libdir" && rmfiles="$rmfiles $objdir/$name $objdir/${name}i" + ;; + uninstall) + if test -n "$library_names"; then + # Do each command in the postuninstall commands. + func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + + if test -n "$old_library"; then + # Do each command in the old_postuninstall commands. + func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + # FIXME: should reinstall the best remaining shared library. + ;; + esac + fi + ;; + + *.lo) + # Possibly a libtool object, so verify it. + if func_lalib_p "$file"; then + + # Read the .lo file + func_source $dir/$name + + # Add PIC object to the list of files to remove. + if test -n "$pic_object" && + test "$pic_object" != none; then + rmfiles="$rmfiles $dir/$pic_object" + fi + + # Add non-PIC object to the list of files to remove. + if test -n "$non_pic_object" && + test "$non_pic_object" != none; then + rmfiles="$rmfiles $dir/$non_pic_object" + fi + fi + ;; + + *) + if test "$mode" = clean ; then + noexename=$name + case $file in + *.exe) + func_stripname '' '.exe' "$file" + file=$func_stripname_result + func_stripname '' '.exe' "$name" + noexename=$func_stripname_result + # $file with .exe has already been added to rmfiles, + # add $file without .exe + rmfiles="$rmfiles $file" + ;; + esac + # Do a test to see if this is a libtool program. + if func_ltwrapper_p "$file"; then + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + relink_command= + func_source $func_ltwrapper_scriptname_result + rmfiles="$rmfiles $func_ltwrapper_scriptname_result" + else + relink_command= + func_source $dir/$noexename + fi + + # note $name still contains .exe if it was in $file originally + # as does the version of $file that was added into $rmfiles + rmfiles="$rmfiles $objdir/$name $objdir/${name}S.${objext}" + if test "$fast_install" = yes && test -n "$relink_command"; then + rmfiles="$rmfiles $objdir/lt-$name" + fi + if test "X$noexename" != "X$name" ; then + rmfiles="$rmfiles $objdir/lt-${noexename}.c" + fi + fi + fi + ;; + esac + func_show_eval "$RM $rmfiles" 'exit_status=1' + done + objdir="$origobjdir" + + # Try to remove the ${objdir}s in the directories where we deleted files + for dir in $rmdirs; do + if test -d "$dir"; then + func_show_eval "rmdir $dir >/dev/null 2>&1" + fi + done + + exit $exit_status +} + +{ test "$mode" = uninstall || test "$mode" = clean; } && + func_mode_uninstall ${1+"$@"} + +test -z "$mode" && { + help="$generic_help" + func_fatal_help "you must specify a MODE" +} + +test -z "$exec_cmd" && \ + func_fatal_help "invalid operation mode \`$mode'" + +if test -n "$exec_cmd"; then + eval exec "$exec_cmd" + exit $EXIT_FAILURE +fi + +exit $exit_status + + +# The TAGs below are defined such that we never get into a situation +# in which we disable both kinds of libraries. Given conflicting +# choices, we go for a static library, that is the most portable, +# since we can't tell whether shared libraries were disabled because +# the user asked for that or because the platform doesn't support +# them. This is particularly important on AIX, because we don't +# support having both static and shared libraries enabled at the same +# time on that platform, so we default to a shared-only configuration. +# If a disable-shared tag is given, we'll fallback to a static-only +# configuration. But we'll never go from static-only to shared-only. + +# ### BEGIN LIBTOOL TAG CONFIG: disable-shared +build_libtool_libs=no +build_old_libs=yes +# ### END LIBTOOL TAG CONFIG: disable-shared + +# ### BEGIN LIBTOOL TAG CONFIG: disable-static +build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` +# ### END LIBTOOL TAG CONFIG: disable-static + +# Local Variables: +# mode:shell-script +# sh-indentation:2 +# End: +# vi:sw=2 + diff --git a/google-breakpad/autotools/missing b/google-breakpad/autotools/missing new file mode 100755 index 0000000..1c8ff70 --- /dev/null +++ b/google-breakpad/autotools/missing @@ -0,0 +1,367 @@ +#! /bin/sh +# Common stub for a few missing GNU programs while installing. + +scriptversion=2006-05-10.23 + +# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006 +# Free Software Foundation, Inc. +# Originally by Fran,cois Pinard , 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try \`$0 --help' for more information" + exit 1 +fi + +run=: +sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' +sed_minuso='s/.* -o \([^ ]*\).*/\1/p' + +# In the cases where this matters, `missing' is being run in the +# srcdir already. +if test -f configure.ac; then + configure_ac=configure.ac +else + configure_ac=configure.in +fi + +msg="missing on your system" + +case $1 in +--run) + # Try to run requested program, and just exit if it succeeds. + run= + shift + "$@" && exit 0 + # Exit code 63 means version mismatch. This often happens + # when the user try to use an ancient version of a tool on + # a file that requires a minimum version. In this case we + # we should proceed has if the program had been absent, or + # if --run hadn't been passed. + if test $? = 63; then + run=: + msg="probably too old" + fi + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an +error status if there is no known handling for PROGRAM. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + --run try to run the given command, and emulate it if it fails + +Supported PROGRAM values: + aclocal touch file \`aclocal.m4' + autoconf touch file \`configure' + autoheader touch file \`config.h.in' + autom4te touch the output file, or create a stub one + automake touch all \`Makefile.in' files + bison create \`y.tab.[ch]', if possible, from existing .[ch] + flex create \`lex.yy.c', if possible, from existing .c + help2man touch the output file + lex create \`lex.yy.c', if possible, from existing .c + makeinfo touch the output file + tar try tar, gnutar, gtar, then tar without non-portable flags + yacc create \`y.tab.[ch]', if possible, from existing .[ch] + +Send bug reports to ." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: Unknown \`$1' option" + echo 1>&2 "Try \`$0 --help' for more information" + exit 1 + ;; + +esac + +# Now exit if we have it, but it failed. Also exit now if we +# don't have it and --version was passed (most likely to detect +# the program). +case $1 in + lex|yacc) + # Not GNU programs, they don't have --version. + ;; + + tar) + if test -n "$run"; then + echo 1>&2 "ERROR: \`tar' requires --run" + exit 1 + elif test "x$2" = "x--version" || test "x$2" = "x--help"; then + exit 1 + fi + ;; + + *) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + elif test "x$2" = "x--version" || test "x$2" = "x--help"; then + # Could not run --version or --help. This is probably someone + # running `$TOOL --version' or `$TOOL --help' to check whether + # $TOOL exists and not knowing $TOOL uses missing. + exit 1 + fi + ;; +esac + +# If it does not exist, or fails to run (possibly an outdated version), +# try to emulate it. +case $1 in + aclocal*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`acinclude.m4' or \`${configure_ac}'. You might want + to install the \`Automake' and \`Perl' packages. Grab them from + any GNU archive site." + touch aclocal.m4 + ;; + + autoconf) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`${configure_ac}'. You might want to install the + \`Autoconf' and \`GNU m4' packages. Grab them from any GNU + archive site." + touch configure + ;; + + autoheader) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`acconfig.h' or \`${configure_ac}'. You might want + to install the \`Autoconf' and \`GNU m4' packages. Grab them + from any GNU archive site." + files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` + test -z "$files" && files="config.h" + touch_files= + for f in $files; do + case $f in + *:*) touch_files="$touch_files "`echo "$f" | + sed -e 's/^[^:]*://' -e 's/:.*//'`;; + *) touch_files="$touch_files $f.in";; + esac + done + touch $touch_files + ;; + + automake*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'. + You might want to install the \`Automake' and \`Perl' packages. + Grab them from any GNU archive site." + find . -type f -name Makefile.am -print | + sed 's/\.am$/.in/' | + while read f; do touch "$f"; done + ;; + + autom4te) + echo 1>&2 "\ +WARNING: \`$1' is needed, but is $msg. + You might have modified some files without having the + proper tools for further handling them. + You can get \`$1' as part of \`Autoconf' from any GNU + archive site." + + file=`echo "$*" | sed -n "$sed_output"` + test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` + if test -f "$file"; then + touch $file + else + test -z "$file" || exec >$file + echo "#! /bin/sh" + echo "# Created by GNU Automake missing as a replacement of" + echo "# $ $@" + echo "exit 0" + chmod +x $file + exit 1 + fi + ;; + + bison|yacc) + echo 1>&2 "\ +WARNING: \`$1' $msg. You should only need it if + you modified a \`.y' file. You may need the \`Bison' package + in order for those modifications to take effect. You can get + \`Bison' from any GNU archive site." + rm -f y.tab.c y.tab.h + if test $# -ne 1; then + eval LASTARG="\${$#}" + case $LASTARG in + *.y) + SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` + if test -f "$SRCFILE"; then + cp "$SRCFILE" y.tab.c + fi + SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` + if test -f "$SRCFILE"; then + cp "$SRCFILE" y.tab.h + fi + ;; + esac + fi + if test ! -f y.tab.h; then + echo >y.tab.h + fi + if test ! -f y.tab.c; then + echo 'main() { return 0; }' >y.tab.c + fi + ;; + + lex|flex) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified a \`.l' file. You may need the \`Flex' package + in order for those modifications to take effect. You can get + \`Flex' from any GNU archive site." + rm -f lex.yy.c + if test $# -ne 1; then + eval LASTARG="\${$#}" + case $LASTARG in + *.l) + SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` + if test -f "$SRCFILE"; then + cp "$SRCFILE" lex.yy.c + fi + ;; + esac + fi + if test ! -f lex.yy.c; then + echo 'main() { return 0; }' >lex.yy.c + fi + ;; + + help2man) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified a dependency of a manual page. You may need the + \`Help2man' package in order for those modifications to take + effect. You can get \`Help2man' from any GNU archive site." + + file=`echo "$*" | sed -n "$sed_output"` + test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` + if test -f "$file"; then + touch $file + else + test -z "$file" || exec >$file + echo ".ab help2man is required to generate this page" + exit 1 + fi + ;; + + makeinfo) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified a \`.texi' or \`.texinfo' file, or any other file + indirectly affecting the aspect of the manual. The spurious + call might also be the consequence of using a buggy \`make' (AIX, + DU, IRIX). You might want to install the \`Texinfo' package or + the \`GNU make' package. Grab either from any GNU archive site." + # The file to touch is that specified with -o ... + file=`echo "$*" | sed -n "$sed_output"` + test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` + if test -z "$file"; then + # ... or it is the one specified with @setfilename ... + infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` + file=`sed -n ' + /^@setfilename/{ + s/.* \([^ ]*\) *$/\1/ + p + q + }' $infile` + # ... or it is derived from the source name (dir/f.texi becomes f.info) + test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info + fi + # If the file does not exist, the user really needs makeinfo; + # let's fail without touching anything. + test -f $file || exit 1 + touch $file + ;; + + tar) + shift + + # We have already tried tar in the generic part. + # Look for gnutar/gtar before invocation to avoid ugly error + # messages. + if (gnutar --version > /dev/null 2>&1); then + gnutar "$@" && exit 0 + fi + if (gtar --version > /dev/null 2>&1); then + gtar "$@" && exit 0 + fi + firstarg="$1" + if shift; then + case $firstarg in + *o*) + firstarg=`echo "$firstarg" | sed s/o//` + tar "$firstarg" "$@" && exit 0 + ;; + esac + case $firstarg in + *h*) + firstarg=`echo "$firstarg" | sed s/h//` + tar "$firstarg" "$@" && exit 0 + ;; + esac + fi + + echo 1>&2 "\ +WARNING: I can't seem to be able to run \`tar' with the given arguments. + You may want to install GNU tar or Free paxutils, or check the + command line arguments." + exit 1 + ;; + + *) + echo 1>&2 "\ +WARNING: \`$1' is needed, and is $msg. + You might have modified some files without having the + proper tools for further handling them. Check the \`README' file, + it often tells you about the needed prerequisites for installing + this package. You may also peek at any GNU archive site, in case + some other package would contain this missing \`$1' program." + exit 1 + ;; +esac + +exit 0 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: diff --git a/google-breakpad/configure b/google-breakpad/configure new file mode 100755 index 0000000..27f6bf5 --- /dev/null +++ b/google-breakpad/configure @@ -0,0 +1,7649 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.65 for breakpad 0.1. +# +# Report bugs to . +# +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + # We cannot yet assume a decent shell, so we have to provide a + # neutralization value for shells without unset; and this also + # works around shells that cannot unset nonexistent variables. + BASH_ENV=/dev/null + ENV=/dev/null + (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV + export CONFIG_SHELL + exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"} +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and +$0: google-breakpad-dev@googlegroups.com about your system, +$0: including any error possibly output before this +$0: message. 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See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/breakpad] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF + +Program names: + --program-prefix=PREFIX prepend PREFIX to installed program names + --program-suffix=SUFFIX append SUFFIX to installed program names + --program-transform-name=PROGRAM run sed PROGRAM on installed program names + +System types: + --build=BUILD configure for building on BUILD [guessed] + --host=HOST cross-compile to build programs to run on HOST [BUILD] +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of breakpad 0.1:";; + esac + cat <<\_ACEOF + +Optional Features: + --disable-option-checking ignore unrecognized --enable/--with options + --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) + --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --disable-dependency-tracking speeds up one-time build + --enable-dependency-tracking do not reject slow dependency extractors + --enable-m32 Compile/build with -m32 (default is no) + --disable-processor Don't build processor library (default is no) + --disable-tools Don't build tool binaries (default is no) + --enable-selftest Run extra tests with "make check" (may conflict with + optimizations) (default is no) + +Some influential environment variables: + CC C compiler command + CFLAGS C compiler flags + LDFLAGS linker flags, e.g. -L if you have libraries in a + nonstandard directory + LIBS libraries to pass to the linker, e.g. -l + CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if + you have headers in a nonstandard directory + CCAS assembler compiler command (defaults to CC) + CCASFLAGS assembler compiler flags (defaults to CFLAGS) + CPP C preprocessor + CXX C++ compiler command + CXXFLAGS C++ compiler flags + +Use these variables to override the choices made by `configure' or to help +it to find libraries and programs with nonstandard names/locations. + +Report bugs to . +_ACEOF +ac_status=$? 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Make sure there is not a broken +alias in your environment" "$LINENO" 5 + fi + + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` + +# expand $ac_aux_dir to an absolute path +am_aux_dir=`cd $ac_aux_dir && pwd` + +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi +# Use eval to expand $SHELL +if eval "$MISSING --run true"; then + am_missing_run="$MISSING --run " +else + am_missing_run= + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`missing' script is too old or missing" >&5 +$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. However `strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the `STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_STRIP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5 +$as_echo_n "checking for a thread-safe mkdir -p... " >&6; } +if test -z "$MKDIR_P"; then + if test "${ac_cv_path_mkdir+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in mkdir gmkdir; do + for ac_exec_ext in '' $ac_executable_extensions; do + { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue + case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #( + 'mkdir (GNU coreutils) '* | \ + 'mkdir (coreutils) '* | \ + 'mkdir (fileutils) '4.1*) + ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext + break 3;; + esac + done + done + done +IFS=$as_save_IFS + +fi + + test -d ./--version && rmdir ./--version + if test "${ac_cv_path_mkdir+set}" = set; then + MKDIR_P="$ac_cv_path_mkdir -p" + else + # As a last resort, use the slow shell script. Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + MKDIR_P="$ac_install_sh -d" + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5 +$as_echo "$MKDIR_P" >&6; } + +mkdir_p="$MKDIR_P" +case $mkdir_p in + [\\/$]* | ?:[\\/]*) ;; + */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;; +esac + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_AWK+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_AWK="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +$as_echo "$AWK" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AWK" && break +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + SET_MAKE= +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + as_fn_error "source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='breakpad' + VERSION='0.1' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# We need awk for the "check" target. The system "awk" is bad on +# some platforms. +# Always define AMTAR for backward compatibility. + +AMTAR=${AMTAR-"${am_missing_run}tar"} + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to create a ustar tar archive" >&5 +$as_echo_n "checking how to create a ustar tar archive... " >&6; } +# Loop over all known methods to create a tar archive until one works. +_am_tools='gnutar plaintar pax cpio none' +_am_tools=${am_cv_prog_tar_ustar-$_am_tools} +# Do not fold the above two line into one, because Tru64 sh and +# Solaris sh will not grok spaces in the rhs of `-'. +for _am_tool in $_am_tools +do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; + do + { echo "$as_me:$LINENO: $_am_tar --version" >&5 + ($_am_tar --version) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && break + done + am__tar="$_am_tar --format=ustar -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=ustar -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x ustar -w "$$tardir"' + am__tar_='pax -L -x ustar -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H ustar -L' + am__tar_='find "$tardir" -print | cpio -o -H ustar -L' + am__untar='cpio -i -H ustar -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_ustar}" && break + + # tar/untar a dummy directory, and stop if the command works + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + { echo "$as_me:$LINENO: tardir=conftest.dir && eval $am__tar_ >conftest.tar" >&5 + (tardir=conftest.dir && eval $am__tar_ >conftest.tar) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + rm -rf conftest.dir + if test -s conftest.tar; then + { echo "$as_me:$LINENO: $am__untar &5 + ($am__untar &5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + grep GrepMe conftest.dir/file >/dev/null 2>&1 && break + fi +done +rm -rf conftest.dir + +if test "${am_cv_prog_tar_ustar+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + am_cv_prog_tar_ustar=$_am_tool +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_tar_ustar" >&5 +$as_echo "$am_cv_prog_tar_ustar" >&6; } + + + + + +ac_config_headers="$ac_config_headers src/config.h" + + +DEPDIR="${am__leading_dot}deps" + +ac_config_commands="$ac_config_commands depfiles" + + +am_make=${MAKE-make} +cat > confinc << 'END' +am__doit: + @echo this is the am__doit target +.PHONY: am__doit +END +# If we don't find an include directive, just comment out the code. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5 +$as_echo_n "checking for style of include used by $am_make... " >&6; } +am__include="#" +am__quote= +_am_result=none +# First try GNU make style include. +echo "include confinc" > confmf +# Ignore all kinds of additional output from `make'. +case `$am_make -s -f confmf 2> /dev/null` in #( +*the\ am__doit\ target*) + am__include=include + am__quote= + _am_result=GNU + ;; +esac +# Now try BSD make style include. +if test "$am__include" = "#"; then + echo '.include "confinc"' > confmf + case `$am_make -s -f confmf 2> /dev/null` in #( + *the\ am__doit\ target*) + am__include=.include + am__quote="\"" + _am_result=BSD + ;; + esac +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5 +$as_echo "$_am_result" >&6; } +rm -f confinc confmf + +# Check whether --enable-dependency-tracking was given. +if test "${enable_dependency_tracking+set}" = set; then : + enableval=$enable_dependency_tracking; +fi + +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' +fi + if test "x$enable_dependency_tracking" != xno; then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "no acceptable C compiler found in \$PATH +See \`config.log' for more details." "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ as_fn_set_status 77 +as_fn_error "C compiler cannot create executables +See \`config.log' for more details." "$LINENO" 5; }; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +$as_echo "$ac_file" >&6; } +ac_exeext=$ac_cv_exeext + +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +$as_echo_n "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if test "${ac_cv_objext+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "cannot compute suffix of object files: cannot compile +See \`config.log' for more details." "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if test "${ac_cv_prog_cc_c89+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +depcc="$CC" am_compiler_list= + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvisualcpp | msvcmsys) + # This compiler won't grok `-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +# By default we simply use the C compiler to build assembly code. + +test "${CCAS+set}" = set || CCAS=$CC +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS + + + +depcc="$CCAS" am_compiler_list= + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if test "${am_cv_CCAS_dependencies_compiler_type+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CCAS_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvisualcpp | msvcmsys) + # This compiler won't grok `-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CCAS_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CCAS_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CCAS_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CCAS_dependencies_compiler_type" >&6; } +CCASDEPMODE=depmode=$am_cv_CCAS_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CCAS_dependencies_compiler_type" = gcc3; then + am__fastdepCCAS_TRUE= + am__fastdepCCAS_FALSE='#' +else + am__fastdepCCAS_TRUE='#' + am__fastdepCCAS_FALSE= +fi + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "no acceptable C compiler found in \$PATH +See \`config.log' for more details." "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if test "${ac_cv_prog_cc_c89+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +depcc="$CC" am_compiler_list= + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvisualcpp | msvcmsys) + # This compiler won't grok `-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +if test "x$CC" != xcc; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC and cc understand -c and -o together" >&5 +$as_echo_n "checking whether $CC and cc understand -c and -o together... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc understands -c and -o together" >&5 +$as_echo_n "checking whether cc understands -c and -o together... " >&6; } +fi +set dummy $CC; ac_cc=`$as_echo "$2" | + sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'` +if { as_var=ac_cv_prog_cc_${ac_cc}_c_o; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +# Make sure it works both with $CC and with simple cc. +# We do the test twice because some compilers refuse to overwrite an +# existing .o file with -o, though they will create one. +ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5' +rm -f conftest2.* +if { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && + test -f conftest2.$ac_objext && { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; +then + eval ac_cv_prog_cc_${ac_cc}_c_o=yes + if test "x$CC" != xcc; then + # Test first that cc exists at all. + if { ac_try='cc -c conftest.$ac_ext >&5' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5' + rm -f conftest2.* + if { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && + test -f conftest2.$ac_objext && { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; + then + # cc works too. + : + else + # cc exists but doesn't like -o. + eval ac_cv_prog_cc_${ac_cc}_c_o=no + fi + fi + fi +else + eval ac_cv_prog_cc_${ac_cc}_c_o=no +fi +rm -f core conftest* + +fi +if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +$as_echo "#define NO_MINUS_C_MINUS_O 1" >>confdefs.h + +fi + +# FIXME: we rely on the cache variable name because +# there is no other way. +set dummy $CC +am_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'` +eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o +if test "$am_t" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if test "${ac_cv_prog_CPP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +if test -z "$CXX"; then + if test -n "$CCC"; then + CXX=$CCC + else + if test -n "$ac_tool_prefix"; then + for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... 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So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CXX_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CXX_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CXX_dependencies_compiler_type" >&6; } +CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then + am__fastdepCXX_TRUE= + am__fastdepCXX_FALSE='#' +else + am__fastdepCXX_TRUE='#' + am__fastdepCXX_FALSE= +fi + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... 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" >&6; } +if test "${ac_cv_path_GREP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if test "${ac_cv_path_EGREP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if test "${ac_cv_header_stdc+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# =========================================================================== +# http://www.nongnu.org/autoconf-archive/ax_pthread.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +# +# DESCRIPTION +# +# This macro figures out how to build C programs using POSIX threads. It +# sets the PTHREAD_LIBS output variable to the threads library and linker +# flags, and the PTHREAD_CFLAGS output variable to any special C compiler +# flags that are needed. (The user can also force certain compiler +# flags/libs to be tested by setting these environment variables.) +# +# Also sets PTHREAD_CC to any special C compiler that is needed for +# multi-threaded programs (defaults to the value of CC otherwise). (This +# is necessary on AIX to use the special cc_r compiler alias.) +# +# NOTE: You are assumed to not only compile your program with these flags, +# but also link it with them as well. e.g. you should link with +# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS +# +# If you are only building threads programs, you may wish to use these +# variables in your default LIBS, CFLAGS, and CC: +# +# LIBS="$PTHREAD_LIBS $LIBS" +# CFLAGS="$CFLAGS $PTHREAD_CFLAGS" +# CC="$PTHREAD_CC" +# +# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant +# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name +# (e.g. PTHREAD_CREATE_UNDETACHED on AIX). +# +# ACTION-IF-FOUND is a list of shell commands to run if a threads library +# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it +# is not found. If ACTION-IF-FOUND is not specified, the default action +# will define HAVE_PTHREAD. +# +# Please let the authors know if this macro fails on any platform, or if +# you have any other suggestions or comments. This macro was based on work +# by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help +# from M. Frigo), as well as ac_pthread and hb_pthread macros posted by +# Alejandro Forero Cuervo to the autoconf macro repository. We are also +# grateful for the helpful feedback of numerous users. +# +# LICENSE +# +# Copyright (c) 2008 Steven G. Johnson +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 6 + +# This is what autoupdate's m4 run will expand. It fires +# the warning (with _au_warn_XXX), outputs it into the +# updated configure.ac (with AC_DIAGNOSE), and then outputs +# the replacement expansion. + + +# This is an auxiliary macro that is also run when +# autoupdate runs m4. It simply calls m4_warning, but +# we need a wrapper so that each warning is emitted only +# once. We break the quoting in m4_warning's argument in +# order to expand this macro's arguments, not AU_DEFUN's. + + +# Finally, this is the expansion that is picked up by +# autoconf. It tells the user to run autoupdate, and +# then outputs the replacement expansion. We do not care +# about autoupdate's warning because that contains +# information on what to do *after* running autoupdate. + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ax_pthread_ok=no + +# We used to check for pthread.h first, but this fails if pthread.h +# requires special compiler flags (e.g. on True64 or Sequent). +# It gets checked for in the link test anyway. + +# First of all, check if the user has set any of the PTHREAD_LIBS, +# etcetera environment variables, and if threads linking works using +# them: +if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS" >&5 +$as_echo_n "checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pthread_join (); +int +main () +{ +return pthread_join (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_pthread_ok=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 +$as_echo "$ax_pthread_ok" >&6; } + if test x"$ax_pthread_ok" = xno; then + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" + fi + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" +fi + +# We must check for the threads library under a number of different +# names; the ordering is very important because some systems +# (e.g. DEC) have both -lpthread and -lpthreads, where one of the +# libraries is broken (non-POSIX). + +# Create a list of thread flags to try. Items starting with a "-" are +# C compiler flags, and other items are library names, except for "none" +# which indicates that we try without any flags at all, and "pthread-config" +# which is a program returning the flags for the Pth emulation library. + +ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" + +# The ordering *is* (sometimes) important. Some notes on the +# individual items follow: + +# pthreads: AIX (must check this before -lpthread) +# none: in case threads are in libc; should be tried before -Kthread and +# other compiler flags to prevent continual compiler warnings +# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) +# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) +# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) +# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) +# -pthreads: Solaris/gcc +# -mthreads: Mingw32/gcc, Lynx/gcc +# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it +# doesn't hurt to check since this sometimes defines pthreads too; +# also defines -D_REENTRANT) +# ... -mt is also the pthreads flag for HP/aCC +# pthread: Linux, etcetera +# --thread-safe: KAI C++ +# pthread-config: use pthread-config program (for GNU Pth library) + +case "${host_cpu}-${host_os}" in + *solaris*) + + # On Solaris (at least, for some versions), libc contains stubbed + # (non-functional) versions of the pthreads routines, so link-based + # tests will erroneously succeed. (We need to link with -pthreads/-mt/ + # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather + # a function called by this macro, so we could check for that, but + # who knows whether they'll stub that too in a future libc.) So, + # we'll just look for -pthreads and -lpthread first: + + ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags" + ;; + + *-darwin*) + acx_pthread_flags="-pthread $acx_pthread_flags" + ;; +esac + +if test x"$ax_pthread_ok" = xno; then +for flag in $ax_pthread_flags; do + + case $flag in + none) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5 +$as_echo_n "checking whether pthreads work without any flags... " >&6; } + ;; + + -*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $flag" >&5 +$as_echo_n "checking whether pthreads work with $flag... " >&6; } + PTHREAD_CFLAGS="$flag" + ;; + + pthread-config) + # Extract the first word of "pthread-config", so it can be a program name with args. +set dummy pthread-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ax_pthread_config+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ax_pthread_config"; then + ac_cv_prog_ax_pthread_config="$ax_pthread_config" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ax_pthread_config="yes" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_prog_ax_pthread_config" && ac_cv_prog_ax_pthread_config="no" +fi +fi +ax_pthread_config=$ac_cv_prog_ax_pthread_config +if test -n "$ax_pthread_config"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_config" >&5 +$as_echo "$ax_pthread_config" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test x"$ax_pthread_config" = xno; then continue; fi + PTHREAD_CFLAGS="`pthread-config --cflags`" + PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" + ;; + + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$flag" >&5 +$as_echo_n "checking for the pthreads library -l$flag... " >&6; } + PTHREAD_LIBS="-l$flag" + ;; + esac + + save_LIBS="$LIBS" + save_CFLAGS="$CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Check for various functions. We must include pthread.h, + # since some functions may be macros. (On the Sequent, we + # need a special flag -Kthread to make this header compile.) + # We check for pthread_join because it is in -lpthread on IRIX + # while pthread_create is in libc. We check for pthread_attr_init + # due to DEC craziness with -lpthreads. We check for + # pthread_cleanup_push because it is one of the few pthread + # functions on Solaris that doesn't have a non-functional libc stub. + # We try pthread_create on general principles. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + static void routine(void* a) {a=0;} + static void* start_routine(void* a) {return a;} +int +main () +{ +pthread_t th; pthread_attr_t attr; + pthread_join(th, 0); + pthread_attr_init(&attr); + pthread_cleanup_push(routine, 0); + pthread_create(&th,0,start_routine,0); + pthread_cleanup_pop(0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_pthread_ok=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 +$as_echo "$ax_pthread_ok" >&6; } + if test "x$ax_pthread_ok" = xyes; then + break; + fi + + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" +done +fi + +# Various other checks: +if test "x$ax_pthread_ok" = xyes; then + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5 +$as_echo_n "checking for joinable pthread attribute... " >&6; } + attr_name=unknown + for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +int attr=$attr; return attr; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + attr_name=$attr; break +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $attr_name" >&5 +$as_echo "$attr_name" >&6; } + if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then + +cat >>confdefs.h <<_ACEOF +#define PTHREAD_CREATE_JOINABLE $attr_name +_ACEOF + + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5 +$as_echo_n "checking if more special flags are required for pthreads... " >&6; } + flag=no + case "${host_cpu}-${host_os}" in + *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";; + *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${flag}" >&5 +$as_echo "${flag}" >&6; } + if test "x$flag" != xno; then + PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" + fi + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + # More AIX lossage: must compile with xlc_r or cc_r + if test x"$GCC" != xyes; then + for ac_prog in xlc_r cc_r +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_PTHREAD_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$PTHREAD_CC"; then + ac_cv_prog_PTHREAD_CC="$PTHREAD_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_PTHREAD_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +PTHREAD_CC=$ac_cv_prog_PTHREAD_CC +if test -n "$PTHREAD_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PTHREAD_CC" >&5 +$as_echo "$PTHREAD_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$PTHREAD_CC" && break +done +test -n "$PTHREAD_CC" || PTHREAD_CC="${CC}" + + else + PTHREAD_CC=$CC + fi +else + PTHREAD_CC="$CC" +fi + + + + + +# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: +if test x"$ax_pthread_ok" = xyes; then + +$as_echo "#define HAVE_PTHREAD 1" >>confdefs.h + + : +else + ax_pthread_ok=no + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +eval as_val=\$$as_ac_Header + if test "x$as_val" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in a.out.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "a.out.h" "ac_cv_header_a_out_h" "$ac_includes_default" +if test "x$ac_cv_header_a_out_h" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_A_OUT_H 1 +_ACEOF + +fi + +done + + +# Only build Linux client libs when compiling for Linux +case $host in + *-*-linux* | *-android* ) + LINUX_HOST=true + ;; +esac + if test x$LINUX_HOST = xtrue; then + LINUX_HOST_TRUE= + LINUX_HOST_FALSE='#' +else + LINUX_HOST_TRUE='#' + LINUX_HOST_FALSE= +fi + + +# Only use Android support headers when compiling for Android +case $host in + *-android*) + ANDROID_HOST=true + ;; +esac + if test x$ANDROID_HOST = xtrue; then + ANDROID_HOST_TRUE= + ANDROID_HOST_FALSE='#' +else + ANDROID_HOST_TRUE='#' + ANDROID_HOST_FALSE= +fi + + +# Check whether --enable-m32 was given. +if test "${enable_m32+set}" = set; then : + enableval=$enable_m32; case "${enableval}" in + yes) + CFLAGS="${CFLAGS} -m32" + CXXFLAGS="${CXXFLAGS} -m32" + usem32=true + ;; + no) + usem32=false + ;; + *) + as_fn_error "bad value ${enableval} for --enable-m32" "$LINENO" 5 + ;; + esac +else + usem32=false +fi + + +# Check whether --enable-processor was given. +if test "${enable_processor+set}" = set; then : + enableval=$enable_processor; case "${enableval}" in + yes) + disable_processor=false + ;; + no) + disable_processor=true + ;; + *) + as_fn_error "bad value ${enableval} for --disable-processor" "$LINENO" 5 + ;; + esac +else + disable_processor=false +fi + + if test x$disable_processor = xtrue; then + DISABLE_PROCESSOR_TRUE= + DISABLE_PROCESSOR_FALSE='#' +else + DISABLE_PROCESSOR_TRUE='#' + DISABLE_PROCESSOR_FALSE= +fi + + +# Check whether --enable-tools was given. +if test "${enable_tools+set}" = set; then : + enableval=$enable_tools; case "${enableval}" in + yes) + disable_tools=false + ;; + no) + disable_tools=true + ;; + *) + as_fn_error "bad value ${enableval} for --disable-tools" "$LINENO" 5 + ;; + esac +else + disable_tools=false +fi + + if test x$disable_tools = xtrue; then + DISABLE_TOOLS_TRUE= + DISABLE_TOOLS_FALSE='#' +else + DISABLE_TOOLS_TRUE='#' + DISABLE_TOOLS_FALSE= +fi + + +if test x$LINUX_HOST = xfalse -a x$disable_processor = xtrue -a x$disable_tools = xtrue; then + as_fn_error "--disable-processor and --disable-tools were specified, and not building for Linux. Nothing to build!" "$LINENO" 5 +fi + +# Check whether --enable-selftest was given. +if test "${enable_selftest+set}" = set; then : + enableval=$enable_selftest; case "${enableval}" in + yes) + selftest=true + ;; + no) + selftest=false + ;; + *) + as_fn_error "bad value ${enableval} for --enable-selftest" "$LINENO" 5 + ;; + esac +else + selftest=false +fi + + if test x$selftest = xtrue; then + SELFTEST_TRUE= + SELFTEST_FALSE='#' +else + SELFTEST_TRUE='#' + SELFTEST_FALSE= +fi + + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + test "x$cache_file" != "x/dev/null" && + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + cat confcache >$cache_file + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + if test -n "$EXEEXT"; then + am__EXEEXT_TRUE= + am__EXEEXT_FALSE='#' +else + am__EXEEXT_TRUE='#' + am__EXEEXT_FALSE= +fi + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCCAS_TRUE}" && test -z "${am__fastdepCCAS_FALSE}"; then + as_fn_error "conditional \"am__fastdepCCAS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then + as_fn_error "conditional \"am__fastdepCXX\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${GCC_TRUE}" && test -z "${GCC_FALSE}"; then + as_fn_error "conditional \"GCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${LINUX_HOST_TRUE}" && test -z "${LINUX_HOST_FALSE}"; then + as_fn_error "conditional \"LINUX_HOST\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ANDROID_HOST_TRUE}" && test -z "${ANDROID_HOST_FALSE}"; then + as_fn_error "conditional \"ANDROID_HOST\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${DISABLE_PROCESSOR_TRUE}" && test -z "${DISABLE_PROCESSOR_FALSE}"; then + as_fn_error "conditional \"DISABLE_PROCESSOR\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${DISABLE_TOOLS_TRUE}" && test -z "${DISABLE_TOOLS_FALSE}"; then + as_fn_error "conditional \"DISABLE_TOOLS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SELFTEST_TRUE}" && test -z "${SELFTEST_FALSE}"; then + as_fn_error "conditional \"SELFTEST\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: ${CONFIG_STATUS=./config.status} +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error ERROR [LINENO LOG_FD] +# --------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with status $?, using 1 if that was 0. +as_fn_error () +{ + as_status=$?; test $as_status -eq 0 && as_status=1 + if test "$3"; then + as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3 + fi + $as_echo "$as_me: error: $1" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -p' + fi +else + as_ln_s='cp -p' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in #( + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by breakpad $as_me 0.1, which was +generated by GNU Autoconf 2.65. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to ." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +breakpad config.status 0.1 +configured by $0, generated by GNU Autoconf 2.65, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2009 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "src/config.h") CONFIG_HEADERS="$CONFIG_HEADERS src/config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + + *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= + trap 'exit_status=$? + { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5 + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \ + || as_fn_error "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove $(srcdir), +# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=/{ +s/:*\$(srcdir):*/:/ +s/:*\${srcdir}:*/:/ +s/:*@srcdir@:*/:/ +s/^\([^=]*=[ ]*\):*/\1/ +s/:*$// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_t=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_t"; then + break + elif $ac_last_try; then + as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;; + :[FH]-) ac_tag=-:-;; + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; + esac + ac_save_IFS=$IFS + IFS=: + set x $ac_tag + IFS=$ac_save_IFS + shift + ac_file=$1 + shift + + case $ac_mode in + :L) ac_source=$1;; + :[FH]) + ac_file_inputs= + for ac_f + do + case $ac_f in + -) ac_f="$tmp/stdin";; + *) # Look for the file first in the build tree, then in the source tree + # (if the path is not absolute). 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So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit $? +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/google-breakpad/configure.ac b/google-breakpad/configure.ac new file mode 100644 index 0000000..8429552 --- /dev/null +++ b/google-breakpad/configure.ac @@ -0,0 +1,151 @@ +# Copyright (c) 2006, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +AC_PREREQ(2.57) + +AC_INIT(breakpad, 0.1, google-breakpad-dev@googlegroups.com) +dnl Sanity check: the argument is just a file that should exist. +AC_CONFIG_SRCDIR(README) +AC_CONFIG_AUX_DIR(autotools) +AC_CONFIG_MACRO_DIR([m4]) +AC_CANONICAL_HOST + +AM_INIT_AUTOMAKE(subdir-objects tar-ustar 1.11.1) +AM_CONFIG_HEADER(src/config.h) + +AM_PROG_AS +AC_PROG_CC +AM_PROG_CC_C_O +AC_PROG_CPP +AC_PROG_CXX +AC_PROG_RANLIB +AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc + +AC_HEADER_STDC +m4_include(m4/ax_pthread.m4) +AX_PTHREAD +AC_CHECK_HEADERS([a.out.h]) + +# Only build Linux client libs when compiling for Linux +case $host in + *-*-linux* | *-android* ) + LINUX_HOST=true + ;; +esac +AM_CONDITIONAL(LINUX_HOST, test x$LINUX_HOST = xtrue) + +# Only use Android support headers when compiling for Android +case $host in + *-android*) + ANDROID_HOST=true + ;; +esac +AM_CONDITIONAL(ANDROID_HOST, test x$ANDROID_HOST = xtrue) + +AC_ARG_ENABLE(m32, + AS_HELP_STRING([--enable-m32], + [Compile/build with -m32] + [(default is no)]), + [case "${enableval}" in + yes) + CFLAGS="${CFLAGS} -m32" + CXXFLAGS="${CXXFLAGS} -m32" + usem32=true + ;; + no) + usem32=false + ;; + *) + AC_MSG_ERROR(bad value ${enableval} for --enable-m32) + ;; + esac], + [usem32=false]) + +AC_ARG_ENABLE(processor, + AS_HELP_STRING([--disable-processor], + [Don't build processor library] + [(default is no)]), + [case "${enableval}" in + yes) + disable_processor=false + ;; + no) + disable_processor=true + ;; + *) + AC_MSG_ERROR(bad value ${enableval} for --disable-processor) + ;; + esac], + [disable_processor=false]) +AM_CONDITIONAL(DISABLE_PROCESSOR, test x$disable_processor = xtrue) + +AC_ARG_ENABLE(tools, + AS_HELP_STRING([--disable-tools], + [Don't build tool binaries] + [(default is no)]), + [case "${enableval}" in + yes) + disable_tools=false + ;; + no) + disable_tools=true + ;; + *) + AC_MSG_ERROR(bad value ${enableval} for --disable-tools) + ;; + esac], + [disable_tools=false]) +AM_CONDITIONAL(DISABLE_TOOLS, test x$disable_tools = xtrue) + +if test x$LINUX_HOST = xfalse -a x$disable_processor = xtrue -a x$disable_tools = xtrue; then + AC_MSG_ERROR([--disable-processor and --disable-tools were specified, and not building for Linux. Nothing to build!]) +fi + +AC_ARG_ENABLE(selftest, + AS_HELP_STRING([--enable-selftest], + [Run extra tests with "make check" ] + [(may conflict with optimizations) ] + [(default is no)]), + [case "${enableval}" in + yes) + selftest=true + ;; + no) + selftest=false + ;; + *) + AC_MSG_ERROR(bad value ${enableval} for --enable-selftest) + ;; + esac], + [selftest=false]) +AM_CONDITIONAL(SELFTEST, test x$selftest = xtrue) + +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT diff --git a/google-breakpad/m4/ax_pthread.m4 b/google-breakpad/m4/ax_pthread.m4 new file mode 100644 index 0000000..ca164eb --- /dev/null +++ b/google-breakpad/m4/ax_pthread.m4 @@ -0,0 +1,283 @@ +# =========================================================================== +# http://www.nongnu.org/autoconf-archive/ax_pthread.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +# +# DESCRIPTION +# +# This macro figures out how to build C programs using POSIX threads. It +# sets the PTHREAD_LIBS output variable to the threads library and linker +# flags, and the PTHREAD_CFLAGS output variable to any special C compiler +# flags that are needed. (The user can also force certain compiler +# flags/libs to be tested by setting these environment variables.) +# +# Also sets PTHREAD_CC to any special C compiler that is needed for +# multi-threaded programs (defaults to the value of CC otherwise). (This +# is necessary on AIX to use the special cc_r compiler alias.) +# +# NOTE: You are assumed to not only compile your program with these flags, +# but also link it with them as well. e.g. you should link with +# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS +# +# If you are only building threads programs, you may wish to use these +# variables in your default LIBS, CFLAGS, and CC: +# +# LIBS="$PTHREAD_LIBS $LIBS" +# CFLAGS="$CFLAGS $PTHREAD_CFLAGS" +# CC="$PTHREAD_CC" +# +# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant +# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name +# (e.g. PTHREAD_CREATE_UNDETACHED on AIX). +# +# ACTION-IF-FOUND is a list of shell commands to run if a threads library +# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it +# is not found. If ACTION-IF-FOUND is not specified, the default action +# will define HAVE_PTHREAD. +# +# Please let the authors know if this macro fails on any platform, or if +# you have any other suggestions or comments. This macro was based on work +# by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help +# from M. Frigo), as well as ac_pthread and hb_pthread macros posted by +# Alejandro Forero Cuervo to the autoconf macro repository. We are also +# grateful for the helpful feedback of numerous users. +# +# LICENSE +# +# Copyright (c) 2008 Steven G. Johnson +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 6 + +AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) +AC_DEFUN([AX_PTHREAD], [ +AC_REQUIRE([AC_CANONICAL_HOST]) +AC_LANG_SAVE +AC_LANG_C +ax_pthread_ok=no + +# We used to check for pthread.h first, but this fails if pthread.h +# requires special compiler flags (e.g. on True64 or Sequent). +# It gets checked for in the link test anyway. + +# First of all, check if the user has set any of the PTHREAD_LIBS, +# etcetera environment variables, and if threads linking works using +# them: +if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) + AC_TRY_LINK_FUNC(pthread_join, ax_pthread_ok=yes) + AC_MSG_RESULT($ax_pthread_ok) + if test x"$ax_pthread_ok" = xno; then + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" + fi + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" +fi + +# We must check for the threads library under a number of different +# names; the ordering is very important because some systems +# (e.g. DEC) have both -lpthread and -lpthreads, where one of the +# libraries is broken (non-POSIX). + +# Create a list of thread flags to try. Items starting with a "-" are +# C compiler flags, and other items are library names, except for "none" +# which indicates that we try without any flags at all, and "pthread-config" +# which is a program returning the flags for the Pth emulation library. + +ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" + +# The ordering *is* (sometimes) important. Some notes on the +# individual items follow: + +# pthreads: AIX (must check this before -lpthread) +# none: in case threads are in libc; should be tried before -Kthread and +# other compiler flags to prevent continual compiler warnings +# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) +# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) +# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) +# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) +# -pthreads: Solaris/gcc +# -mthreads: Mingw32/gcc, Lynx/gcc +# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it +# doesn't hurt to check since this sometimes defines pthreads too; +# also defines -D_REENTRANT) +# ... -mt is also the pthreads flag for HP/aCC +# pthread: Linux, etcetera +# --thread-safe: KAI C++ +# pthread-config: use pthread-config program (for GNU Pth library) + +case "${host_cpu}-${host_os}" in + *solaris*) + + # On Solaris (at least, for some versions), libc contains stubbed + # (non-functional) versions of the pthreads routines, so link-based + # tests will erroneously succeed. (We need to link with -pthreads/-mt/ + # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather + # a function called by this macro, so we could check for that, but + # who knows whether they'll stub that too in a future libc.) So, + # we'll just look for -pthreads and -lpthread first: + + ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags" + ;; + + *-darwin*) + acx_pthread_flags="-pthread $acx_pthread_flags" + ;; +esac + +if test x"$ax_pthread_ok" = xno; then +for flag in $ax_pthread_flags; do + + case $flag in + none) + AC_MSG_CHECKING([whether pthreads work without any flags]) + ;; + + -*) + AC_MSG_CHECKING([whether pthreads work with $flag]) + PTHREAD_CFLAGS="$flag" + ;; + + pthread-config) + AC_CHECK_PROG(ax_pthread_config, pthread-config, yes, no) + if test x"$ax_pthread_config" = xno; then continue; fi + PTHREAD_CFLAGS="`pthread-config --cflags`" + PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" + ;; + + *) + AC_MSG_CHECKING([for the pthreads library -l$flag]) + PTHREAD_LIBS="-l$flag" + ;; + esac + + save_LIBS="$LIBS" + save_CFLAGS="$CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Check for various functions. We must include pthread.h, + # since some functions may be macros. (On the Sequent, we + # need a special flag -Kthread to make this header compile.) + # We check for pthread_join because it is in -lpthread on IRIX + # while pthread_create is in libc. We check for pthread_attr_init + # due to DEC craziness with -lpthreads. We check for + # pthread_cleanup_push because it is one of the few pthread + # functions on Solaris that doesn't have a non-functional libc stub. + # We try pthread_create on general principles. + AC_TRY_LINK([#include + static void routine(void* a) {a=0;} + static void* start_routine(void* a) {return a;}], + [pthread_t th; pthread_attr_t attr; + pthread_join(th, 0); + pthread_attr_init(&attr); + pthread_cleanup_push(routine, 0); + pthread_create(&th,0,start_routine,0); + pthread_cleanup_pop(0); ], + [ax_pthread_ok=yes]) + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + AC_MSG_RESULT($ax_pthread_ok) + if test "x$ax_pthread_ok" = xyes; then + break; + fi + + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" +done +fi + +# Various other checks: +if test "x$ax_pthread_ok" = xyes; then + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. + AC_MSG_CHECKING([for joinable pthread attribute]) + attr_name=unknown + for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do + AC_TRY_LINK([#include ], [int attr=$attr; return attr;], + [attr_name=$attr; break]) + done + AC_MSG_RESULT($attr_name) + if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then + AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name, + [Define to necessary symbol if this constant + uses a non-standard name on your system.]) + fi + + AC_MSG_CHECKING([if more special flags are required for pthreads]) + flag=no + case "${host_cpu}-${host_os}" in + *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";; + *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";; + esac + AC_MSG_RESULT(${flag}) + if test "x$flag" != xno; then + PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" + fi + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + # More AIX lossage: must compile with xlc_r or cc_r + if test x"$GCC" != xyes; then + AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC}) + else + PTHREAD_CC=$CC + fi +else + PTHREAD_CC="$CC" +fi + +AC_SUBST(PTHREAD_LIBS) +AC_SUBST(PTHREAD_CFLAGS) +AC_SUBST(PTHREAD_CC) + +# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: +if test x"$ax_pthread_ok" = xyes; then + ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1]) + : +else + ax_pthread_ok=no + $2 +fi +AC_LANG_RESTORE +])dnl AX_PTHREAD \ No newline at end of file diff --git a/google-breakpad/m4/libtool.m4 b/google-breakpad/m4/libtool.m4 new file mode 100644 index 0000000..a3fee53 --- /dev/null +++ b/google-breakpad/m4/libtool.m4 @@ -0,0 +1,7377 @@ +# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- +# +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008 Free Software Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +m4_define([_LT_COPYING], [dnl +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008 Free Software Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is part of GNU Libtool. +# +# GNU Libtool is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, or +# obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +]) + +# serial 56 LT_INIT + + +# LT_PREREQ(VERSION) +# ------------------ +# Complain and exit if this libtool version is less that VERSION. +m4_defun([LT_PREREQ], +[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, + [m4_default([$3], + [m4_fatal([Libtool version $1 or higher is required], + 63)])], + [$2])]) + + +# _LT_CHECK_BUILDDIR +# ------------------ +# Complain if the absolute build directory name contains unusual characters +m4_defun([_LT_CHECK_BUILDDIR], +[case `pwd` in + *\ * | *\ *) + AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; +esac +]) + + +# LT_INIT([OPTIONS]) +# ------------------ +AC_DEFUN([LT_INIT], +[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT +AC_BEFORE([$0], [LT_LANG])dnl +AC_BEFORE([$0], [LT_OUTPUT])dnl +AC_BEFORE([$0], [LTDL_INIT])dnl +m4_require([_LT_CHECK_BUILDDIR])dnl + +dnl Autoconf doesn't catch unexpanded LT_ macros by default: +m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl +m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl +dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 +dnl unless we require an AC_DEFUNed macro: +AC_REQUIRE([LTOPTIONS_VERSION])dnl +AC_REQUIRE([LTSUGAR_VERSION])dnl +AC_REQUIRE([LTVERSION_VERSION])dnl +AC_REQUIRE([LTOBSOLETE_VERSION])dnl +m4_require([_LT_PROG_LTMAIN])dnl + +dnl Parse OPTIONS +_LT_SET_OPTIONS([$0], [$1]) + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ltmain" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' +AC_SUBST(LIBTOOL)dnl + +_LT_SETUP + +# Only expand once: +m4_define([LT_INIT]) +])# LT_INIT + +# Old names: +AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) +AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PROG_LIBTOOL], []) +dnl AC_DEFUN([AM_PROG_LIBTOOL], []) + + +# _LT_CC_BASENAME(CC) +# ------------------- +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +m4_defun([_LT_CC_BASENAME], +[for cc_temp in $1""; do + case $cc_temp in + compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; + distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"` +]) + + +# _LT_FILEUTILS_DEFAULTS +# ---------------------- +# It is okay to use these file commands and assume they have been set +# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'. +m4_defun([_LT_FILEUTILS_DEFAULTS], +[: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} +])# _LT_FILEUTILS_DEFAULTS + + +# _LT_SETUP +# --------- +m4_defun([_LT_SETUP], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +_LT_DECL([], [host_alias], [0], [The host system])dnl +_LT_DECL([], [host], [0])dnl +_LT_DECL([], [host_os], [0])dnl +dnl +_LT_DECL([], [build_alias], [0], [The build system])dnl +_LT_DECL([], [build], [0])dnl +_LT_DECL([], [build_os], [0])dnl +dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +dnl +AC_REQUIRE([AC_PROG_LN_S])dnl +test -z "$LN_S" && LN_S="ln -s" +_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl +dnl +AC_REQUIRE([LT_CMD_MAX_LEN])dnl +_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl +_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl +dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_CMD_RELOAD])dnl +m4_require([_LT_CHECK_MAGIC_METHOD])dnl +m4_require([_LT_CMD_OLD_ARCHIVE])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl + +_LT_CONFIG_LIBTOOL_INIT([ +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi +]) +if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + +_LT_CHECK_OBJDIR + +m4_require([_LT_TAG_COMPILER])dnl +_LT_PROG_ECHO_BACKSLASH + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\([["`\\]]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld="$lt_cv_prog_gnu_ld" + +old_CC="$CC" +old_CFLAGS="$CFLAGS" + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +_LT_CC_BASENAME([$compiler]) + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + _LT_PATH_MAGIC + fi + ;; +esac + +# Use C for the default configuration in the libtool script +LT_SUPPORTED_TAG([CC]) +_LT_LANG_C_CONFIG +_LT_LANG_DEFAULT_CONFIG +_LT_CONFIG_COMMANDS +])# _LT_SETUP + + +# _LT_PROG_LTMAIN +# --------------- +# Note that this code is called both from `configure', and `config.status' +# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, +# `config.status' has no value for ac_aux_dir unless we are using Automake, +# so we pass a copy along to make sure it has a sensible value anyway. +m4_defun([_LT_PROG_LTMAIN], +[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl +_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) +ltmain="$ac_aux_dir/ltmain.sh" +])# _LT_PROG_LTMAIN + + +## ------------------------------------- ## +## Accumulate code for creating libtool. ## +## ------------------------------------- ## + +# So that we can recreate a full libtool script including additional +# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS +# in macros and then make a single call at the end using the `libtool' +# label. + + +# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) +# ---------------------------------------- +# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL_INIT], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_INIT], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_INIT]) + + +# _LT_CONFIG_LIBTOOL([COMMANDS]) +# ------------------------------ +# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) + + +# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) +# ----------------------------------------------------- +m4_defun([_LT_CONFIG_SAVE_COMMANDS], +[_LT_CONFIG_LIBTOOL([$1]) +_LT_CONFIG_LIBTOOL_INIT([$2]) +]) + + +# _LT_FORMAT_COMMENT([COMMENT]) +# ----------------------------- +# Add leading comment marks to the start of each line, and a trailing +# full-stop to the whole comment if one is not present already. +m4_define([_LT_FORMAT_COMMENT], +[m4_ifval([$1], [ +m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], + [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) +)]) + + + +## ------------------------ ## +## FIXME: Eliminate VARNAME ## +## ------------------------ ## + + +# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) +# ------------------------------------------------------------------- +# CONFIGNAME is the name given to the value in the libtool script. +# VARNAME is the (base) name used in the configure script. +# VALUE may be 0, 1 or 2 for a computed quote escaped value based on +# VARNAME. Any other value will be used directly. +m4_define([_LT_DECL], +[lt_if_append_uniq([lt_decl_varnames], [$2], [, ], + [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], + [m4_ifval([$1], [$1], [$2])]) + lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) + m4_ifval([$4], + [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) + lt_dict_add_subkey([lt_decl_dict], [$2], + [tagged?], [m4_ifval([$5], [yes], [no])])]) +]) + + +# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) +# -------------------------------------------------------- +m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) + + +# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_tag_varnames], +[_lt_decl_filter([tagged?], [yes], $@)]) + + +# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) +# --------------------------------------------------------- +m4_define([_lt_decl_filter], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [m4_fatal([$0: too few arguments: $#: $1])], + [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], + [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], + [lt_dict_filter([lt_decl_dict], $@)])[]dnl +]) + + +# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) +# -------------------------------------------------- +m4_define([lt_decl_quote_varnames], +[_lt_decl_filter([value], [1], $@)]) + + +# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_dquote_varnames], +[_lt_decl_filter([value], [2], $@)]) + + +# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_varnames_tagged], +[m4_assert([$# <= 2])dnl +_$0(m4_quote(m4_default([$1], [[, ]])), + m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), + m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) +m4_define([_lt_decl_varnames_tagged], +[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) + + +# lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_all_varnames], +[_$0(m4_quote(m4_default([$1], [[, ]])), + m4_if([$2], [], + m4_quote(lt_decl_varnames), + m4_quote(m4_shift($@))))[]dnl +]) +m4_define([_lt_decl_all_varnames], +[lt_join($@, lt_decl_varnames_tagged([$1], + lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl +]) + + +# _LT_CONFIG_STATUS_DECLARE([VARNAME]) +# ------------------------------------ +# Quote a variable value, and forward it to `config.status' so that its +# declaration there will have the same value as in `configure'. VARNAME +# must have a single quote delimited value for this to work. +m4_define([_LT_CONFIG_STATUS_DECLARE], +[$1='`$ECHO "X$][$1" | $Xsed -e "$delay_single_quote_subst"`']) + + +# _LT_CONFIG_STATUS_DECLARATIONS +# ------------------------------ +# We delimit libtool config variables with single quotes, so when +# we write them to config.status, we have to be sure to quote all +# embedded single quotes properly. In configure, this macro expands +# each variable declared with _LT_DECL (and _LT_TAGDECL) into: +# +# ='`$ECHO "X$" | $Xsed -e "$delay_single_quote_subst"`' +m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], +[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), + [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAGS +# ---------------- +# Output comment and list of tags supported by the script +m4_defun([_LT_LIBTOOL_TAGS], +[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl +available_tags="_LT_TAGS"dnl +]) + + +# _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) +# ----------------------------------- +# Extract the dictionary values for VARNAME (optionally with TAG) and +# expand to a commented shell variable setting: +# +# # Some comment about what VAR is for. +# visible_name=$lt_internal_name +m4_define([_LT_LIBTOOL_DECLARE], +[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], + [description])))[]dnl +m4_pushdef([_libtool_name], + m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl +m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), + [0], [_libtool_name=[$]$1], + [1], [_libtool_name=$lt_[]$1], + [2], [_libtool_name=$lt_[]$1], + [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl +m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl +]) + + +# _LT_LIBTOOL_CONFIG_VARS +# ----------------------- +# Produce commented declarations of non-tagged libtool config variables +# suitable for insertion in the LIBTOOL CONFIG section of the `libtool' +# script. Tagged libtool config variables (even for the LIBTOOL CONFIG +# section) are produced by _LT_LIBTOOL_TAG_VARS. +m4_defun([_LT_LIBTOOL_CONFIG_VARS], +[m4_foreach([_lt_var], + m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAG_VARS(TAG) +# ------------------------- +m4_define([_LT_LIBTOOL_TAG_VARS], +[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) + + +# _LT_TAGVAR(VARNAME, [TAGNAME]) +# ------------------------------ +m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) + + +# _LT_CONFIG_COMMANDS +# ------------------- +# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of +# variables for single and double quote escaping we saved from calls +# to _LT_DECL, we can put quote escaped variables declarations +# into `config.status', and then the shell code to quote escape them in +# for loops in `config.status'. Finally, any additional code accumulated +# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. +m4_defun([_LT_CONFIG_COMMANDS], +[AC_PROVIDE_IFELSE([LT_OUTPUT], + dnl If the libtool generation code has been placed in $CONFIG_LT, + dnl instead of duplicating it all over again into config.status, + dnl then we will have config.status run $CONFIG_LT later, so it + dnl needs to know what name is stored there: + [AC_CONFIG_COMMANDS([libtool], + [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], + dnl If the libtool generation code is destined for config.status, + dnl expand the accumulated commands and init code now: + [AC_CONFIG_COMMANDS([libtool], + [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) +])#_LT_CONFIG_COMMANDS + + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], +[ + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +_LT_CONFIG_STATUS_DECLARATIONS +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# Quote evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_quote_varnames); do + case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_dquote_varnames); do + case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Fix-up fallback echo if it was mangled by the above quoting rules. +case \$lt_ECHO in +*'\\\[$]0 --fallback-echo"')dnl " + lt_ECHO=\`\$ECHO "X\$lt_ECHO" | \$Xsed -e 's/\\\\\\\\\\\\\\\[$]0 --fallback-echo"\[$]/\[$]0 --fallback-echo"/'\` + ;; +esac + +_LT_OUTPUT_LIBTOOL_INIT +]) + + +# LT_OUTPUT +# --------- +# This macro allows early generation of the libtool script (before +# AC_OUTPUT is called), incase it is used in configure for compilation +# tests. +AC_DEFUN([LT_OUTPUT], +[: ${CONFIG_LT=./config.lt} +AC_MSG_NOTICE([creating $CONFIG_LT]) +cat >"$CONFIG_LT" <<_LTEOF +#! $SHELL +# Generated by $as_me. +# Run this file to recreate a libtool stub with the current configuration. + +lt_cl_silent=false +SHELL=\${CONFIG_SHELL-$SHELL} +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AS_SHELL_SANITIZE +_AS_PREPARE + +exec AS_MESSAGE_FD>&1 +exec AS_MESSAGE_LOG_FD>>config.log +{ + echo + AS_BOX([Running $as_me.]) +} >&AS_MESSAGE_LOG_FD + +lt_cl_help="\ +\`$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $[0] [[OPTIONS]] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl +m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) +configured by $[0], generated by m4_PACKAGE_STRING. + +Copyright (C) 2008 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test $[#] != 0 +do + case $[1] in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) AC_MSG_ERROR([unrecognized option: $[1] +Try \`$[0] --help' for more information.]) ;; + + *) AC_MSG_ERROR([unrecognized argument: $[1] +Try \`$[0] --help' for more information.]) ;; + esac + shift +done + +if $lt_cl_silent; then + exec AS_MESSAGE_FD>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF +_LT_OUTPUT_LIBTOOL_COMMANDS_INIT +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AC_MSG_NOTICE([creating $ofile]) +_LT_OUTPUT_LIBTOOL_COMMANDS +AS_EXIT(0) +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +if test "$no_create" != yes; then + lt_cl_success=: + test "$silent" = yes && + lt_config_lt_args="$lt_config_lt_args --quiet" + exec AS_MESSAGE_LOG_FD>/dev/null + $SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false + exec AS_MESSAGE_LOG_FD>>config.log + $lt_cl_success || AS_EXIT(1) +fi +])# LT_OUTPUT + + +# _LT_CONFIG(TAG) +# --------------- +# If TAG is the built-in tag, create an initial libtool script with a +# default configuration from the untagged config vars. Otherwise add code +# to config.status for appending the configuration named by TAG from the +# matching tagged config vars. +m4_defun([_LT_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_CONFIG_SAVE_COMMANDS([ + m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl + m4_if(_LT_TAG, [C], [ + # See if we are running on zsh, and set the options which allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST + fi + + cfgfile="${ofile}T" + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL + +# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. +# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION +# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: +# NOTE: Changes made to this file will be lost: look at ltmain.sh. +# +_LT_COPYING +_LT_LIBTOOL_TAGS + +# ### BEGIN LIBTOOL CONFIG +_LT_LIBTOOL_CONFIG_VARS +_LT_LIBTOOL_TAG_VARS +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + _LT_PROG_LTMAIN + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '/^# Generated shell functions inserted here/q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + _LT_PROG_XSI_SHELLFNS + + sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" +], +[cat <<_LT_EOF >> "$ofile" + +dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded +dnl in a comment (ie after a #). +# ### BEGIN LIBTOOL TAG CONFIG: $1 +_LT_LIBTOOL_TAG_VARS(_LT_TAG) +# ### END LIBTOOL TAG CONFIG: $1 +_LT_EOF +])dnl /m4_if +], +[m4_if([$1], [], [ + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile'], []) +])dnl /_LT_CONFIG_SAVE_COMMANDS +])# _LT_CONFIG + + +# LT_SUPPORTED_TAG(TAG) +# --------------------- +# Trace this macro to discover what tags are supported by the libtool +# --tag option, using: +# autoconf --trace 'LT_SUPPORTED_TAG:$1' +AC_DEFUN([LT_SUPPORTED_TAG], []) + + +# C support is built-in for now +m4_define([_LT_LANG_C_enabled], []) +m4_define([_LT_TAGS], []) + + +# LT_LANG(LANG) +# ------------- +# Enable libtool support for the given language if not already enabled. +AC_DEFUN([LT_LANG], +[AC_BEFORE([$0], [LT_OUTPUT])dnl +m4_case([$1], + [C], [_LT_LANG(C)], + [C++], [_LT_LANG(CXX)], + [Java], [_LT_LANG(GCJ)], + [Fortran 77], [_LT_LANG(F77)], + [Fortran], [_LT_LANG(FC)], + [Windows Resource], [_LT_LANG(RC)], + [m4_ifdef([_LT_LANG_]$1[_CONFIG], + [_LT_LANG($1)], + [m4_fatal([$0: unsupported language: "$1"])])])dnl +])# LT_LANG + + +# _LT_LANG(LANGNAME) +# ------------------ +m4_defun([_LT_LANG], +[m4_ifdef([_LT_LANG_]$1[_enabled], [], + [LT_SUPPORTED_TAG([$1])dnl + m4_append([_LT_TAGS], [$1 ])dnl + m4_define([_LT_LANG_]$1[_enabled], [])dnl + _LT_LANG_$1_CONFIG($1)])dnl +])# _LT_LANG + + +# _LT_LANG_DEFAULT_CONFIG +# ----------------------- +m4_defun([_LT_LANG_DEFAULT_CONFIG], +[AC_PROVIDE_IFELSE([AC_PROG_CXX], + [LT_LANG(CXX)], + [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])]) + +AC_PROVIDE_IFELSE([AC_PROG_F77], + [LT_LANG(F77)], + [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])]) + +AC_PROVIDE_IFELSE([AC_PROG_FC], + [LT_LANG(FC)], + [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])]) + +dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal +dnl pulling things in needlessly. +AC_PROVIDE_IFELSE([AC_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([LT_PROG_GCJ], + [LT_LANG(GCJ)], + [m4_ifdef([AC_PROG_GCJ], + [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([A][M_PROG_GCJ], + [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([LT_PROG_GCJ], + [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])]) + +AC_PROVIDE_IFELSE([LT_PROG_RC], + [LT_LANG(RC)], + [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])]) +])# _LT_LANG_DEFAULT_CONFIG + +# Obsolete macros: +AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)]) +AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)]) +AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)]) +AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_CXX], []) +dnl AC_DEFUN([AC_LIBTOOL_F77], []) +dnl AC_DEFUN([AC_LIBTOOL_FC], []) +dnl AC_DEFUN([AC_LIBTOOL_GCJ], []) + + +# _LT_TAG_COMPILER +# ---------------- +m4_defun([_LT_TAG_COMPILER], +[AC_REQUIRE([AC_PROG_CC])dnl + +_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl +_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl +_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl +_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC +])# _LT_TAG_COMPILER + + +# _LT_COMPILER_BOILERPLATE +# ------------------------ +# Check for compiler boilerplate output or warnings with +# the simple compiler test code. +m4_defun([_LT_COMPILER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* +])# _LT_COMPILER_BOILERPLATE + + +# _LT_LINKER_BOILERPLATE +# ---------------------- +# Check for linker boilerplate output or warnings with +# the simple link test code. +m4_defun([_LT_LINKER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* +])# _LT_LINKER_BOILERPLATE + +# _LT_REQUIRED_DARWIN_CHECKS +# ------------------------- +m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[ + case $host_os in + rhapsody* | darwin*) + AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:]) + AC_CHECK_TOOL([NMEDIT], [nmedit], [:]) + AC_CHECK_TOOL([LIPO], [lipo], [:]) + AC_CHECK_TOOL([OTOOL], [otool], [:]) + AC_CHECK_TOOL([OTOOL64], [otool64], [:]) + _LT_DECL([], [DSYMUTIL], [1], + [Tool to manipulate archived DWARF debug symbol files on Mac OS X]) + _LT_DECL([], [NMEDIT], [1], + [Tool to change global to local symbols on Mac OS X]) + _LT_DECL([], [LIPO], [1], + [Tool to manipulate fat objects and archives on Mac OS X]) + _LT_DECL([], [OTOOL], [1], + [ldd/readelf like tool for Mach-O binaries on Mac OS X]) + _LT_DECL([], [OTOOL64], [1], + [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4]) + + AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod], + [lt_cv_apple_cc_single_mod=no + if test -z "${LT_MULTI_MODULE}"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi]) + AC_CACHE_CHECK([for -exported_symbols_list linker flag], + [lt_cv_ld_exported_symbols_list], + [lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [lt_cv_ld_exported_symbols_list=yes], + [lt_cv_ld_exported_symbols_list=no]) + LDFLAGS="$save_LDFLAGS" + ]) + case $host_os in + rhapsody* | darwin1.[[012]]) + _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + 10.[[012]]*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test "$lt_cv_apple_cc_single_mod" = "yes"; then + _lt_dar_single_mod='$single_module' + fi + if test "$lt_cv_ld_exported_symbols_list" = "yes"; then + _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}' + fi + if test "$DSYMUTIL" != ":"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac +]) + + +# _LT_DARWIN_LINKER_FEATURES +# -------------------------- +# Checks for linker and compiler features on darwin +m4_defun([_LT_DARWIN_LINKER_FEATURES], +[ + m4_require([_LT_REQUIRED_DARWIN_CHECKS]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_automatic, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(whole_archive_flag_spec, $1)='' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=echo + _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + m4_if([$1], [CXX], +[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then + _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}" + fi +],[]) + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi +]) + +# _LT_SYS_MODULE_PATH_AIX +# ----------------------- +# Links a minimal program and checks the executable +# for the system default hardcoded library path. In most cases, +# this is /usr/lib:/lib, but when the MPI compilers are used +# the location of the communication and MPI libs are included too. +# If we don't find anything, use the default library path according +# to the aix ld manual. +m4_defun([_LT_SYS_MODULE_PATH_AIX], +[m4_require([_LT_DECL_SED])dnl +AC_LINK_IFELSE(AC_LANG_PROGRAM,[ +lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\(.*\)$/\1/ + p + } + }' +aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` +# Check for a 64-bit object if we didn't find anything. +if test -z "$aix_libpath"; then + aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` +fi],[]) +if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi +])# _LT_SYS_MODULE_PATH_AIX + + +# _LT_SHELL_INIT(ARG) +# ------------------- +m4_define([_LT_SHELL_INIT], +[ifdef([AC_DIVERSION_NOTICE], + [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)], + [AC_DIVERT_PUSH(NOTICE)]) +$1 +AC_DIVERT_POP +])# _LT_SHELL_INIT + + +# _LT_PROG_ECHO_BACKSLASH +# ----------------------- +# Add some code to the start of the generated configure script which +# will find an echo command which doesn't interpret backslashes. +m4_defun([_LT_PROG_ECHO_BACKSLASH], +[_LT_SHELL_INIT([ +# Check that we are running under the correct shell. +SHELL=${CONFIG_SHELL-/bin/sh} + +case X$lt_ECHO in +X*--fallback-echo) + # Remove one level of quotation (which was required for Make). + ECHO=`echo "$lt_ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','` + ;; +esac + +ECHO=${lt_ECHO-echo} +if test "X[$]1" = X--no-reexec; then + # Discard the --no-reexec flag, and continue. + shift +elif test "X[$]1" = X--fallback-echo; then + # Avoid inline document here, it may be left over + : +elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' ; then + # Yippee, $ECHO works! + : +else + # Restart under the correct shell. + exec $SHELL "[$]0" --no-reexec ${1+"[$]@"} +fi + +if test "X[$]1" = X--fallback-echo; then + # used as fallback echo + shift + cat <<_LT_EOF +[$]* +_LT_EOF + exit 0 +fi + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test -z "$lt_ECHO"; then + if test "X${echo_test_string+set}" != Xset; then + # find a string as large as possible, as long as the shell can cope with it + for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do + # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ... + if { echo_test_string=`eval $cmd`; } 2>/dev/null && + { test "X$echo_test_string" = "X$echo_test_string"; } 2>/dev/null + then + break + fi + done + fi + + if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' && + echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` && + test "X$echo_testing_string" = "X$echo_test_string"; then + : + else + # The Solaris, AIX, and Digital Unix default echo programs unquote + # backslashes. This makes it impossible to quote backslashes using + # echo "$something" | sed 's/\\/\\\\/g' + # + # So, first we look for a working echo in the user's PATH. + + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for dir in $PATH /usr/ucb; do + IFS="$lt_save_ifs" + if (test -f $dir/echo || test -f $dir/echo$ac_exeext) && + test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && + echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` && + test "X$echo_testing_string" = "X$echo_test_string"; then + ECHO="$dir/echo" + break + fi + done + IFS="$lt_save_ifs" + + if test "X$ECHO" = Xecho; then + # We didn't find a better echo, so look for alternatives. + if test "X`{ print -r '\t'; } 2>/dev/null`" = 'X\t' && + echo_testing_string=`{ print -r "$echo_test_string"; } 2>/dev/null` && + test "X$echo_testing_string" = "X$echo_test_string"; then + # This shell has a builtin print -r that does the trick. + ECHO='print -r' + elif { test -f /bin/ksh || test -f /bin/ksh$ac_exeext; } && + test "X$CONFIG_SHELL" != X/bin/ksh; then + # If we have ksh, try running configure again with it. + ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} + export ORIGINAL_CONFIG_SHELL + CONFIG_SHELL=/bin/ksh + export CONFIG_SHELL + exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"} + else + # Try using printf. + ECHO='printf %s\n' + if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' && + echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` && + test "X$echo_testing_string" = "X$echo_test_string"; then + # Cool, printf works + : + elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && + test "X$echo_testing_string" = 'X\t' && + echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && + test "X$echo_testing_string" = "X$echo_test_string"; then + CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL + export CONFIG_SHELL + SHELL="$CONFIG_SHELL" + export SHELL + ECHO="$CONFIG_SHELL [$]0 --fallback-echo" + elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && + test "X$echo_testing_string" = 'X\t' && + echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && + test "X$echo_testing_string" = "X$echo_test_string"; then + ECHO="$CONFIG_SHELL [$]0 --fallback-echo" + else + # maybe with a smaller string... + prev=: + + for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do + if { test "X$echo_test_string" = "X`eval $cmd`"; } 2>/dev/null + then + break + fi + prev="$cmd" + done + + if test "$prev" != 'sed 50q "[$]0"'; then + echo_test_string=`eval $prev` + export echo_test_string + exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"} + else + # Oops. We lost completely, so just stick with echo. + ECHO=echo + fi + fi + fi + fi + fi +fi + +# Copy echo and quote the copy suitably for passing to libtool from +# the Makefile, instead of quoting the original, which is used later. +lt_ECHO=$ECHO +if test "X$lt_ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then + lt_ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo" +fi + +AC_SUBST(lt_ECHO) +]) +_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts]) +_LT_DECL([], [ECHO], [1], + [An echo program that does not interpret backslashes]) +])# _LT_PROG_ECHO_BACKSLASH + + +# _LT_ENABLE_LOCK +# --------------- +m4_defun([_LT_ENABLE_LOCK], +[AC_ARG_ENABLE([libtool-lock], + [AS_HELP_STRING([--disable-libtool-lock], + [avoid locking (might break parallel builds)])]) +test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out which ABI we are using. + echo '[#]line __oline__ "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_i386" + ;; + ppc64-*linux*|powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + ppc*-*linux*|powerpc*-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, + [AC_LANG_PUSH(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) + AC_LANG_POP]) + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; +sparc*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) LD="${LD-ld} -m elf64_sparc" ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks="$enable_libtool_lock" +])# _LT_ENABLE_LOCK + + +# _LT_CMD_OLD_ARCHIVE +# ------------------- +m4_defun([_LT_CMD_OLD_ARCHIVE], +[AC_CHECK_TOOL(AR, ar, false) +test -z "$AR" && AR=ar +test -z "$AR_FLAGS" && AR_FLAGS=cru +_LT_DECL([], [AR], [1], [The archiver]) +_LT_DECL([], [AR_FLAGS], [1]) + +AC_CHECK_TOOL(STRIP, strip, :) +test -z "$STRIP" && STRIP=: +_LT_DECL([], [STRIP], [1], [A symbol stripping program]) + +AC_CHECK_TOOL(RANLIB, ranlib, :) +test -z "$RANLIB" && RANLIB=: +_LT_DECL([], [RANLIB], [1], + [Commands used to install an old-style archive]) + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" +fi +_LT_DECL([], [old_postinstall_cmds], [2]) +_LT_DECL([], [old_postuninstall_cmds], [2]) +_LT_TAGDECL([], [old_archive_cmds], [2], + [Commands used to build an old-style archive]) +])# _LT_CMD_OLD_ARCHIVE + + +# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------------------- +# Check whether the given compiler option works +AC_DEFUN([_LT_COMPILER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$3" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + fi + $RM conftest* +]) + +if test x"[$]$2" = xyes; then + m4_if([$5], , :, [$5]) +else + m4_if([$6], , :, [$6]) +fi +])# _LT_COMPILER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) + + +# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------- +# Check whether the given linker option works +AC_DEFUN([_LT_LINKER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $3" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&AS_MESSAGE_LOG_FD + $ECHO "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + else + $2=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" +]) + +if test x"[$]$2" = xyes; then + m4_if([$4], , :, [$4]) +else + m4_if([$5], , :, [$5]) +fi +])# _LT_LINKER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) + + +# LT_CMD_MAX_LEN +#--------------- +AC_DEFUN([LT_CMD_MAX_LEN], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8 ; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test "X"`$SHELL [$]0 --fallback-echo "X$teststring$teststring" 2>/dev/null` \ + = "XX$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac +]) +if test -n $lt_cv_sys_max_cmd_len ; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +max_cmd_len=$lt_cv_sys_max_cmd_len +_LT_DECL([], [max_cmd_len], [0], + [What is the maximum length of a command?]) +])# LT_CMD_MAX_LEN + +# Old name: +AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) + + +# _LT_HEADER_DLFCN +# ---------------- +m4_defun([_LT_HEADER_DLFCN], +[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl +])# _LT_HEADER_DLFCN + + +# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, +# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) +# ---------------------------------------------------------------- +m4_defun([_LT_TRY_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "$cross_compiling" = yes; then : + [$4] +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +[#line __oline__ "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +void fnord() { int i=42;} +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +}] +_LT_EOF + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) $1 ;; + x$lt_dlneed_uscore) $2 ;; + x$lt_dlunknown|x*) $3 ;; + esac + else : + # compilation failed + $3 + fi +fi +rm -fr conftest* +])# _LT_TRY_DLOPEN_SELF + + +# LT_SYS_DLOPEN_SELF +# ------------------ +AC_DEFUN([LT_SYS_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "x$enable_dlopen" != xyes; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen="load_add_on" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen="LoadLibrary" + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen="dlopen" + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[ + lt_cv_dlopen="dyld" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ]) + ;; + + *) + AC_CHECK_FUNC([shl_load], + [lt_cv_dlopen="shl_load"], + [AC_CHECK_LIB([dld], [shl_load], + [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"], + [AC_CHECK_FUNC([dlopen], + [lt_cv_dlopen="dlopen"], + [AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], + [AC_CHECK_LIB([svld], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], + [AC_CHECK_LIB([dld], [dld_link], + [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"]) + ]) + ]) + ]) + ]) + ]) + ;; + esac + + if test "x$lt_cv_dlopen" != xno; then + enable_dlopen=yes + else + enable_dlopen=no + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS="$CPPFLAGS" + test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS="$LDFLAGS" + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS="$LIBS" + LIBS="$lt_cv_dlopen_libs $LIBS" + + AC_CACHE_CHECK([whether a program can dlopen itself], + lt_cv_dlopen_self, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, + lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) + ]) + + if test "x$lt_cv_dlopen_self" = xyes; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + AC_CACHE_CHECK([whether a statically linked program can dlopen itself], + lt_cv_dlopen_self_static, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, + lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) + ]) + fi + + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi +_LT_DECL([dlopen_support], [enable_dlopen], [0], + [Whether dlopen is supported]) +_LT_DECL([dlopen_self], [enable_dlopen_self], [0], + [Whether dlopen of programs is supported]) +_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], + [Whether dlopen of statically linked programs is supported]) +])# LT_SYS_DLOPEN_SELF + +# Old name: +AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) + + +# _LT_COMPILER_C_O([TAGNAME]) +# --------------------------- +# Check to see if options -c and -o are simultaneously supported by compiler. +# This macro does not hard code the compiler like AC_PROG_CC_C_O. +m4_defun([_LT_COMPILER_C_O], +[m4_require([_LT_DECL_SED])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + fi + fi + chmod u+w . 2>&AS_MESSAGE_LOG_FD + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* +]) +_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], + [Does compiler simultaneously support -c and -o options?]) +])# _LT_COMPILER_C_O + + +# _LT_COMPILER_FILE_LOCKS([TAGNAME]) +# ---------------------------------- +# Check to see if we can do hard links to lock some files if needed +m4_defun([_LT_COMPILER_FILE_LOCKS], +[m4_require([_LT_ENABLE_LOCK])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_COMPILER_C_O([$1]) + +hard_links="nottested" +if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then + # do not overwrite the value of need_locks provided by the user + AC_MSG_CHECKING([if we can lock with hard links]) + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + AC_MSG_RESULT([$hard_links]) + if test "$hard_links" = no; then + AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe]) + need_locks=warn + fi +else + need_locks=no +fi +_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) +])# _LT_COMPILER_FILE_LOCKS + + +# _LT_CHECK_OBJDIR +# ---------------- +m4_defun([_LT_CHECK_OBJDIR], +[AC_CACHE_CHECK([for objdir], [lt_cv_objdir], +[rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null]) +objdir=$lt_cv_objdir +_LT_DECL([], [objdir], [0], + [The name of the directory that contains temporary libtool files])dnl +m4_pattern_allow([LT_OBJDIR])dnl +AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/", + [Define to the sub-directory in which libtool stores uninstalled libraries.]) +])# _LT_CHECK_OBJDIR + + +# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) +# -------------------------------------- +# Check hardcoding attributes. +m4_defun([_LT_LINKER_HARDCODE_LIBPATH], +[AC_MSG_CHECKING([how to hardcode library paths into programs]) +_LT_TAGVAR(hardcode_action, $1)= +if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || + test -n "$_LT_TAGVAR(runpath_var, $1)" || + test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$_LT_TAGVAR(hardcode_direct, $1)" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no && + test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then + # Linking always hardcodes the temporary library directory. + _LT_TAGVAR(hardcode_action, $1)=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + _LT_TAGVAR(hardcode_action, $1)=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + _LT_TAGVAR(hardcode_action, $1)=unsupported +fi +AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) + +if test "$_LT_TAGVAR(hardcode_action, $1)" = relink || + test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi +_LT_TAGDECL([], [hardcode_action], [0], + [How to hardcode a shared library path into an executable]) +])# _LT_LINKER_HARDCODE_LIBPATH + + +# _LT_CMD_STRIPLIB +# ---------------- +m4_defun([_LT_CMD_STRIPLIB], +[m4_require([_LT_DECL_EGREP]) +striplib= +old_striplib= +AC_MSG_CHECKING([whether stripping libraries is possible]) +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP" ; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + *) + AC_MSG_RESULT([no]) + ;; + esac +fi +_LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) +_LT_DECL([], [striplib], [1]) +])# _LT_CMD_STRIPLIB + + +# _LT_SYS_DYNAMIC_LINKER([TAG]) +# ----------------------------- +# PORTME Fill in your ld.so characteristics +m4_defun([_LT_SYS_DYNAMIC_LINKER], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_OBJDUMP])dnl +m4_require([_LT_DECL_SED])dnl +AC_MSG_CHECKING([dynamic linker characteristics]) +m4_if([$1], + [], [ +if test "$GCC" = yes; then + case $host_os in + darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; + *) lt_awk_arg="/^libraries:/" ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"` + if $ECHO "$lt_search_path_spec" | $GREP ';' >/dev/null ; then + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e 's/;/ /g'` + else + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary. + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path/$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir" + else + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO $lt_tmp_lt_search_path_spec | awk ' +BEGIN {RS=" "; FS="/|\n";} { + lt_foo=""; + lt_count=0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo="/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[[lt_foo]]++; } + if (lt_freq[[lt_foo]] == 1) { print lt_foo; } +}'` + sys_lib_search_path_spec=`$ECHO $lt_search_path_spec` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi]) +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[[4-9]]*) + version_type=linux + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[[01]] | aix4.[[01]].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$ECHO "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[[45]]*) + version_type=linux + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$host_os in + yes,cygwin* | yes,mingw* | yes,pw32* | yes,cegcc*) + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"` + if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then + # It is most probably a Windows format PATH printed by + # mingw gcc, but we are running on Cygwin. Gcc prints its search + # path with ; separators, and with drive letters. We can handle the + # drive letters (cygwin fileutils understands them), so leave them, + # especially as we might pass files found there to a mingw objdump, + # which wouldn't understand a cygwinified path. Ahh. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + ;; + esac + ;; + + *) + library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib' + ;; + esac + dynamic_linker='Win32 ld.exe' + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd1*) + dynamic_linker=no + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[[123]]*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[[01]]* | freebsdelf3.[[01]]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \ + freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +gnu*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555. + postinstall_cmds='chmod 555 $lib' + ;; + +interix[[3-9]]*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be Linux ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + # Some binutils ld are patched to set DT_RUNPATH + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ + LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], + [shlibpath_overrides_runpath=yes])]) + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[[89]] | openbsd2.[[89]].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +AC_MSG_RESULT([$dynamic_linker]) +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + +_LT_DECL([], [variables_saved_for_relink], [1], + [Variables whose values should be saved in libtool wrapper scripts and + restored at link time]) +_LT_DECL([], [need_lib_prefix], [0], + [Do we need the "lib" prefix for modules?]) +_LT_DECL([], [need_version], [0], [Do we need a version for libraries?]) +_LT_DECL([], [version_type], [0], [Library versioning type]) +_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable]) +_LT_DECL([], [shlibpath_var], [0],[Shared library path variable]) +_LT_DECL([], [shlibpath_overrides_runpath], [0], + [Is shlibpath searched before the hard-coded library search path?]) +_LT_DECL([], [libname_spec], [1], [Format of library name prefix]) +_LT_DECL([], [library_names_spec], [1], + [[List of archive names. First name is the real one, the rest are links. + The last name is the one that the linker finds with -lNAME]]) +_LT_DECL([], [soname_spec], [1], + [[The coded name of the library, if different from the real name]]) +_LT_DECL([], [postinstall_cmds], [2], + [Command to use after installation of a shared archive]) +_LT_DECL([], [postuninstall_cmds], [2], + [Command to use after uninstallation of a shared archive]) +_LT_DECL([], [finish_cmds], [2], + [Commands used to finish a libtool library installation in a directory]) +_LT_DECL([], [finish_eval], [1], + [[As "finish_cmds", except a single script fragment to be evaled but + not shown]]) +_LT_DECL([], [hardcode_into_libs], [0], + [Whether we should hardcode library paths into libraries]) +_LT_DECL([], [sys_lib_search_path_spec], [2], + [Compile-time system search path for libraries]) +_LT_DECL([], [sys_lib_dlsearch_path_spec], [2], + [Run-time system search path for libraries]) +])# _LT_SYS_DYNAMIC_LINKER + + +# _LT_PATH_TOOL_PREFIX(TOOL) +# -------------------------- +# find a file program which can recognize shared library +AC_DEFUN([_LT_PATH_TOOL_PREFIX], +[m4_require([_LT_DECL_EGREP])dnl +AC_MSG_CHECKING([for $1]) +AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, +[case $MAGIC_CMD in +[[\\/*] | ?:[\\/]*]) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR +dnl $ac_dummy forces splitting on constant user-supplied paths. +dnl POSIX.2 word splitting is done only on the output of word expansions, +dnl not every word. This closes a longstanding sh security hole. + ac_dummy="m4_if([$2], , $PATH, [$2])" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$1; then + lt_cv_path_MAGIC_CMD="$ac_dir/$1" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac]) +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + AC_MSG_RESULT($MAGIC_CMD) +else + AC_MSG_RESULT(no) +fi +_LT_DECL([], [MAGIC_CMD], [0], + [Used to examine libraries when file_magic_cmd begins with "file"])dnl +])# _LT_PATH_TOOL_PREFIX + +# Old name: +AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], []) + + +# _LT_PATH_MAGIC +# -------------- +# find a file program which can recognize a shared library +m4_defun([_LT_PATH_MAGIC], +[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH) +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH) + else + MAGIC_CMD=: + fi +fi +])# _LT_PATH_MAGIC + + +# LT_PATH_LD +# ---------- +# find the pathname to the GNU or non-GNU linker +AC_DEFUN([LT_PATH_LD], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl + +AC_ARG_WITH([gnu-ld], + [AS_HELP_STRING([--with-gnu-ld], + [assume the C compiler uses GNU ld @<:@default=no@:>@])], + [test "$withval" = no || with_gnu_ld=yes], + [with_gnu_ld=no])dnl + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(lt_cv_path_LD, +[if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &1 /dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]'] + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[[3-9]]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be Linux ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +esac +]) +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + +_LT_DECL([], [deplibs_check_method], [1], + [Method to check whether dependent libraries are shared objects]) +_LT_DECL([], [file_magic_cmd], [1], + [Command to use when deplibs_check_method == "file_magic"]) +])# _LT_CHECK_MAGIC_METHOD + + +# LT_PATH_NM +# ---------- +# find the pathname to a BSD- or MS-compatible name lister +AC_DEFUN([LT_PATH_NM], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, +[if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + lt_nm_to_check="${ac_tool_prefix}nm" + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + tmp_nm="$ac_dir/$lt_tmp_nm" + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in + */dev/null* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS="$lt_save_ifs" + done + : ${lt_cv_path_NM=no} +fi]) +if test "$lt_cv_path_NM" != "no"; then + NM="$lt_cv_path_NM" +else + # Didn't find any BSD compatible name lister, look for dumpbin. + AC_CHECK_TOOLS(DUMPBIN, ["dumpbin -symbols" "link -dump -symbols"], :) + AC_SUBST([DUMPBIN]) + if test "$DUMPBIN" != ":"; then + NM="$DUMPBIN" + fi +fi +test -z "$NM" && NM=nm +AC_SUBST([NM]) +_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl + +AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], + [lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:__oline__: $ac_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:__oline__: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:__oline__: output\"" >&AS_MESSAGE_LOG_FD) + cat conftest.out >&AS_MESSAGE_LOG_FD + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest*]) +])# LT_PATH_NM + +# Old names: +AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) +AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_PROG_NM], []) +dnl AC_DEFUN([AC_PROG_NM], []) + + +# LT_LIB_M +# -------- +# check for math library +AC_DEFUN([LT_LIB_M], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +LIBM= +case $host in +*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") + AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") + ;; +*) + AC_CHECK_LIB(m, cos, LIBM="-lm") + ;; +esac +AC_SUBST([LIBM]) +])# LT_LIB_M + +# Old name: +AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_CHECK_LIBM], []) + + +# _LT_COMPILER_NO_RTTI([TAGNAME]) +# ------------------------------- +m4_defun([_LT_COMPILER_NO_RTTI], +[m4_require([_LT_TAG_COMPILER])dnl + +_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + +if test "$GCC" = yes; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + + _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], + lt_cv_prog_compiler_rtti_exceptions, + [-fno-rtti -fno-exceptions], [], + [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) +fi +_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], + [Compiler flag to turn off builtin functions]) +])# _LT_COMPILER_NO_RTTI + + +# _LT_CMD_GLOBAL_SYMBOLS +# ---------------------- +m4_defun([_LT_CMD_GLOBAL_SYMBOLS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_NM])dnl +AC_REQUIRE([LT_PATH_LD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_TAG_COMPILER])dnl + +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output from $compiler object]) +AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], +[ +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[[BCDEGRST]]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[[BCDT]]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[[ABCDGISTW]]' + ;; +hpux*) + if test "$host_cpu" = ia64; then + symcode='[[ABCDEGRST]]' + fi + ;; +irix* | nonstopux*) + symcode='[[BCDEGRST]]' + ;; +osf*) + symcode='[[BCDEGQRST]]' + ;; +solaris*) + symcode='[[BDRT]]' + ;; +sco3.2v5*) + symcode='[[DT]]' + ;; +sysv4.2uw2*) + symcode='[[DT]]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[[ABDT]]' + ;; +sysv4) + symcode='[[DFNSTU]]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[[ABCDGIRSTW]]' ;; +esac + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function + # and D for any global variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK ['"\ +" {last_section=section; section=\$ 3};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ +" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ +" s[1]~/^[@?]/{print s[1], s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx]" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +const struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[[]] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_save_LIBS="$LIBS" + lt_save_CFLAGS="$CFLAGS" + LIBS="conftstm.$ac_objext" + CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then + pipe_works=yes + fi + LIBS="$lt_save_LIBS" + CFLAGS="$lt_save_CFLAGS" + else + echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD + fi + else + echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test "$pipe_works" = yes; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done +]) +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + AC_MSG_RESULT(failed) +else + AC_MSG_RESULT(ok) +fi + +_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], + [Take the output of nm and produce a listing of raw symbols and C names]) +_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], + [Transform the output of nm in a proper C declaration]) +_LT_DECL([global_symbol_to_c_name_address], + [lt_cv_sys_global_symbol_to_c_name_address], [1], + [Transform the output of nm in a C name address pair]) +_LT_DECL([global_symbol_to_c_name_address_lib_prefix], + [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], + [Transform the output of nm in a C name address pair when lib prefix is needed]) +]) # _LT_CMD_GLOBAL_SYMBOLS + + +# _LT_COMPILER_PIC([TAGNAME]) +# --------------------------- +m4_defun([_LT_COMPILER_PIC], +[m4_require([_LT_TAG_COMPILER])dnl +_LT_TAGVAR(lt_prog_compiler_wl, $1)= +_LT_TAGVAR(lt_prog_compiler_pic, $1)= +_LT_TAGVAR(lt_prog_compiler_static, $1)= + +AC_MSG_CHECKING([for $compiler option to produce PIC]) +m4_if([$1], [CXX], [ + # C++ specific cases for pic, static, wl, etc. + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + case $host_os in + aix[[4-9]]*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + dgux*) + case $cc_basename in + ec++*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + if test "$host_cpu" != ia64; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + fi + ;; + aCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # KAI C++ Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64 which still supported -KPIC. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xlc* | xlC*) + # IBM XL 8.0 on PPC + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd* | netbsdelf*-gnu) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + cxx*) + # Digital/Compaq C++ + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + lcc*) + # Lucid + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +], +[ + if test "$GCC" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + hpux9* | hpux10* | hpux11*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC (with -KPIC) is the default. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + # old Intel for x86_64 which still supported -KPIC. + ecc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' + _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' + ;; + pgcc* | pgf77* | pgf90* | pgf95*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + ccc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All Alpha code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xl*) + # IBM XL C 8.0/Fortran 10.1 on PPC + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + ;; + *Sun\ F*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='' + ;; + esac + ;; + esac + ;; + + newsos6) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All OSF/1 code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + rdos*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + solaris*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + case $cc_basename in + f77* | f90* | f95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; + *) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; + esac + ;; + + sunos4*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec ;then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + unicos*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + + uts4*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +]) +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" + ;; +esac +AC_MSG_RESULT([$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) +_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], + [How to pass a linker flag through the compiler]) + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], + [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], + [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], + [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in + "" | " "*) ;; + *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; + esac], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) +fi +_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], + [Additional compiler flags for building library objects]) + +# +# Check to make sure the static flag actually works. +# +wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" +_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], + _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), + $lt_tmp_static_flag, + [], + [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) +_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], + [Compiler flag to prevent dynamic linking]) +])# _LT_COMPILER_PIC + + +# _LT_LINKER_SHLIBS([TAGNAME]) +# ---------------------------- +# See if the linker supports building shared libraries. +m4_defun([_LT_LINKER_SHLIBS], +[AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) +m4_if([$1], [CXX], [ + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + case $host_os in + aix[[4-9]]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds" + ;; + cygwin* | mingw* | cegcc*) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + ;; + linux* | k*bsd*-gnu) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] +], [ + runpath_var= + _LT_TAGVAR(allow_undefined_flag, $1)= + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(archive_cmds, $1)= + _LT_TAGVAR(archive_expsym_cmds, $1)= + _LT_TAGVAR(compiler_needs_object, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(hardcode_automatic, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= + _LT_TAGVAR(hardcode_libdir_separator, $1)= + _LT_TAGVAR(hardcode_minus_L, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(inherit_rpath, $1)=no + _LT_TAGVAR(link_all_deplibs, $1)=unknown + _LT_TAGVAR(module_cmds, $1)= + _LT_TAGVAR(module_expsym_cmds, $1)= + _LT_TAGVAR(old_archive_from_new_cmds, $1)= + _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= + _LT_TAGVAR(thread_safe_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + _LT_TAGVAR(include_expsyms, $1)= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ` (' and `)$', so one must not match beginning or + # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', + # as well as any symbol that contains `d'. + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. +dnl Note also adjust exclude_expsyms for C++ above. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + esac + + _LT_TAGVAR(ld_shlibs, $1)=yes + if test "$with_gnu_ld" = yes; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='${wl}' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + supports_anon_versioning=no + case `$LD -v 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[[3-9]]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.9.1, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to modify your PATH +*** so that a non-GNU linker is found, and then restart. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test "$host_os" = linux-dietlibc; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test "$tmp_diet" = no + then + tmp_addflag= + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95*) # Portland Group f77 and f90 compilers + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + _LT_TAGVAR(whole_archive_flag_spec, $1)= + tmp_sharedflag='--shared' ;; + xl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + xlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir' + _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $compiler_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + sunos4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + + if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then + runpath_var= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + _LT_TAGVAR(hardcode_direct, $1)=unsupported + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GCC" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + ;; + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + _LT_TAGVAR(link_all_deplibs, $1)=no + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + bsdi[[45]]*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + # FIXME: Should let the user specify the lib program. + _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' + _LT_TAGVAR(fix_srcfile_path, $1)='`cygpath -w "$srcfile"`' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + freebsd1*) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + hpux9*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + + hpux10*) + if test "$GCC" = yes -a "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + fi + ;; + + hpux11*) + if test "$GCC" = yes -a "$with_gnu_ld" = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" + AC_LINK_IFELSE(int foo(void) {}, + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' + ) + LDFLAGS="$save_LDFLAGS" + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + newsos6) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *nto* | *qnx*) + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + else + case $host_os in + openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + ;; + esac + fi + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' + ;; + + osf3*) + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + solaris*) + _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' + if test "$GCC" = yes; then + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. GCC discards it without `$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test "$GCC" = yes; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + fi + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + sunos4*) + if test "x$host_vendor" = xsequent; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4) + case $host_vendor in + sni) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' + _LT_TAGVAR(hardcode_direct, $1)=no + ;; + motorola) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4.3*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + _LT_TAGVAR(ld_shlibs, $1)=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + if test x$host_vendor = xsni; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym' + ;; + esac + fi + fi +]) +AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) +test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + +_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld + +_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl +_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl +_LT_DECL([], [extract_expsyms_cmds], [2], + [The commands to extract the exported symbol list from a shared archive]) + +# +# Do we need to explicitly link libc? +# +case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in +x|xyes) + # Assume -lc should be added + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $_LT_TAGVAR(archive_cmds, $1) in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_MSG_CHECKING([whether -lc should be explicitly linked in]) + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if AC_TRY_EVAL(ac_compile) 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) + pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1) + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1) + _LT_TAGVAR(allow_undefined_flag, $1)= + if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) + then + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + else + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + fi + _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + AC_MSG_RESULT([$_LT_TAGVAR(archive_cmds_need_lc, $1)]) + ;; + esac + fi + ;; +esac + +_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0], + [Whether or not to add -lc for building shared libraries]) +_LT_TAGDECL([allow_libtool_libs_with_static_runtimes], + [enable_shared_with_static_runtimes], [0], + [Whether or not to disallow shared libs when runtime libs are static]) +_LT_TAGDECL([], [export_dynamic_flag_spec], [1], + [Compiler flag to allow reflexive dlopens]) +_LT_TAGDECL([], [whole_archive_flag_spec], [1], + [Compiler flag to generate shared objects directly from archives]) +_LT_TAGDECL([], [compiler_needs_object], [1], + [Whether the compiler copes with passing no objects directly]) +_LT_TAGDECL([], [old_archive_from_new_cmds], [2], + [Create an old-style archive from a shared archive]) +_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2], + [Create a temporary old-style archive to link instead of a shared archive]) +_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive]) +_LT_TAGDECL([], [archive_expsym_cmds], [2]) +_LT_TAGDECL([], [module_cmds], [2], + [Commands used to build a loadable module if different from building + a shared archive.]) +_LT_TAGDECL([], [module_expsym_cmds], [2]) +_LT_TAGDECL([], [with_gnu_ld], [1], + [Whether we are building with GNU ld or not]) +_LT_TAGDECL([], [allow_undefined_flag], [1], + [Flag that allows shared libraries with undefined symbols to be built]) +_LT_TAGDECL([], [no_undefined_flag], [1], + [Flag that enforces no undefined symbols]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1], + [Flag to hardcode $libdir into a binary during linking. + This must work even if $libdir does not exist]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec_ld], [1], + [[If ld is used when linking, flag to hardcode $libdir into a binary + during linking. This must work even if $libdir does not exist]]) +_LT_TAGDECL([], [hardcode_libdir_separator], [1], + [Whether we need a single "-rpath" flag with a separated argument]) +_LT_TAGDECL([], [hardcode_direct], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary]) +_LT_TAGDECL([], [hardcode_direct_absolute], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary and the resulting library dependency is + "absolute", i.e impossible to change by setting ${shlibpath_var} if the + library is relocated]) +_LT_TAGDECL([], [hardcode_minus_L], [0], + [Set to "yes" if using the -LDIR flag during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_shlibpath_var], [0], + [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_automatic], [0], + [Set to "yes" if building a shared library automatically hardcodes DIR + into the library and all subsequent libraries and executables linked + against it]) +_LT_TAGDECL([], [inherit_rpath], [0], + [Set to yes if linker adds runtime paths of dependent libraries + to runtime path list]) +_LT_TAGDECL([], [link_all_deplibs], [0], + [Whether libtool must link a program against all its dependency libraries]) +_LT_TAGDECL([], [fix_srcfile_path], [1], + [Fix the shell variable $srcfile for the compiler]) +_LT_TAGDECL([], [always_export_symbols], [0], + [Set to "yes" if exported symbols are required]) +_LT_TAGDECL([], [export_symbols_cmds], [2], + [The commands to list exported symbols]) +_LT_TAGDECL([], [exclude_expsyms], [1], + [Symbols that should not be listed in the preloaded symbols]) +_LT_TAGDECL([], [include_expsyms], [1], + [Symbols that must always be exported]) +_LT_TAGDECL([], [prelink_cmds], [2], + [Commands necessary for linking programs (against libraries) with templates]) +_LT_TAGDECL([], [file_list_spec], [1], + [Specify filename containing input files]) +dnl FIXME: Not yet implemented +dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1], +dnl [Compiler flag to generate thread safe objects]) +])# _LT_LINKER_SHLIBS + + +# _LT_LANG_C_CONFIG([TAG]) +# ------------------------ +# Ensure that the configuration variables for a C compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_C_CONFIG], +[m4_require([_LT_DECL_EGREP])dnl +lt_save_CC="$CC" +AC_LANG_PUSH(C) + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + +_LT_TAG_COMPILER +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + LT_SYS_DLOPEN_SELF + _LT_CMD_STRIPLIB + + # Report which library types will actually be built + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_CONFIG($1) +fi +AC_LANG_POP +CC="$lt_save_CC" +])# _LT_LANG_C_CONFIG + + +# _LT_PROG_CXX +# ------------ +# Since AC_PROG_CXX is broken, in that it returns g++ if there is no c++ +# compiler, we have our own version here. +m4_defun([_LT_PROG_CXX], +[ +pushdef([AC_MSG_ERROR], [_lt_caught_CXX_error=yes]) +AC_PROG_CXX +if test -n "$CXX" && ( test "X$CXX" != "Xno" && + ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || + (test "X$CXX" != "Xg++"))) ; then + AC_PROG_CXXCPP +else + _lt_caught_CXX_error=yes +fi +popdef([AC_MSG_ERROR]) +])# _LT_PROG_CXX + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([_LT_PROG_CXX], []) + + +# _LT_LANG_CXX_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a C++ compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_CXX_CONFIG], +[AC_REQUIRE([_LT_PROG_CXX])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl + +AC_LANG_PUSH(C++) +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(compiler_needs_object, $1)=no +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_caught_CXX_error" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + else + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + fi + + if test "$GXX" = yes; then + # Set up default GNU C++ configuration + + LT_PATH_LD + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test "$with_gnu_ld" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='${wl}' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) + _LT_TAGVAR(ld_shlibs, $1)=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GXX" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an empty + # executable. + _LT_SYS_MODULE_PATH_AIX + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared + # libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + freebsd[[12]]*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + freebsd-elf*) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + gnu*) + ;; + + hpux9*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed' + ;; + *) + if test "$GXX" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test $with_gnu_ld = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed' + ;; + *) + if test "$GXX" = yes; then + if test $with_gnu_ld = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test "$GXX" = yes; then + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` -o $lib' + fi + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + esac + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [[1-5]]* | *pgcpp\ [[1-5]]*) + _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | $NL2SP`"' + _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | $NL2SP`~ + $RANLIB $oldlib' + _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + *) # Version 6 will use weak symbols + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive' + ;; + cxx*) + # Compaq C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`$ECHO "X$templist" | $Xsed -e "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed' + ;; + xl*) + # IBM XL 8.0 on PPC, with GNU ld + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='echo' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + openbsd2*) + # C++ shared libraries are fairly broken + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + fi + output_verbose_link_cmd=echo + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + cxx*) + case $host in + osf3*) + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && $ECHO "X${wl}-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + ;; + *) + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~ + $RM $lib.exp' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`$ECHO "X$templist" | $Xsed -e "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed' + ;; + *) + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + case $host in + osf3*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(archive_cmds_need_lc,$1)=yes + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + + output_verbose_link_cmd='echo' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"' + else + # g++ 2.7 appears to require `-G' NOT `-shared' on this + # platform. + _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"' + fi + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir' + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) + test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + + _LT_TAGVAR(GCC, $1)="$GXX" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + CC=$lt_save_CC + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test "$_lt_caught_CXX_error" != yes + +AC_LANG_POP +])# _LT_LANG_CXX_CONFIG + + +# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME]) +# --------------------------------- +# Figure out "hidden" library dependencies from verbose +# compiler output when linking a shared library. +# Parse the compiler output and extract the necessary +# objects, libraries and library flags. +m4_defun([_LT_SYS_HIDDEN_LIBDEPS], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +# Dependencies to place before and after the object being linked: +_LT_TAGVAR(predep_objects, $1)= +_LT_TAGVAR(postdep_objects, $1)= +_LT_TAGVAR(predeps, $1)= +_LT_TAGVAR(postdeps, $1)= +_LT_TAGVAR(compiler_lib_search_path, $1)= + +dnl we can't use the lt_simple_compile_test_code here, +dnl because it contains code intended for an executable, +dnl not a library. It's possible we should let each +dnl tag define a new lt_????_link_test_code variable, +dnl but it's only used here... +m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF +int a; +void foo (void) { a = 0; } +_LT_EOF +], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF +], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer*4 a + a=0 + return + end +_LT_EOF +], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer a + a=0 + return + end +_LT_EOF +], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF +public class foo { + private int a; + public void bar (void) { + a = 0; + } +}; +_LT_EOF +]) +dnl Parse the compiler output and extract the necessary +dnl objects, libraries and library flags. +if AC_TRY_EVAL(ac_compile); then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case $p in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test $p = "-L" || + test $p = "-R"; then + prev=$p + continue + else + prev= + fi + + if test "$pre_test_object_deps_done" = no; then + case $p in + -L* | -R*) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then + _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}" + else + _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$_LT_TAGVAR(postdeps, $1)"; then + _LT_TAGVAR(postdeps, $1)="${prev}${p}" + else + _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}" + fi + fi + ;; + + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test "$pre_test_object_deps_done" = no; then + if test -z "$_LT_TAGVAR(predep_objects, $1)"; then + _LT_TAGVAR(predep_objects, $1)="$p" + else + _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p" + fi + else + if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then + _LT_TAGVAR(postdep_objects, $1)="$p" + else + _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling $1 test program" +fi + +$RM -f confest.$objext + +# PORTME: override above test on systems where it is broken +m4_if([$1], [CXX], +[case $host_os in +interix[[3-9]]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + _LT_TAGVAR(predep_objects,$1)= + _LT_TAGVAR(postdep_objects,$1)= + _LT_TAGVAR(postdeps,$1)= + ;; + +linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; + +solaris*) + case $cc_basename in + CC*) + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + # Adding this requires a known-good setup of shared libraries for + # Sun compiler versions before 5.6, else PIC objects from an old + # archive will be linked into the output, leading to subtle bugs. + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; +esac +]) + +case " $_LT_TAGVAR(postdeps, $1) " in +*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;; +esac + _LT_TAGVAR(compiler_lib_search_dirs, $1)= +if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then + _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'` +fi +_LT_TAGDECL([], [compiler_lib_search_dirs], [1], + [The directories searched by this compiler when creating a shared library]) +_LT_TAGDECL([], [predep_objects], [1], + [Dependencies to place before and after the objects being linked to + create a shared library]) +_LT_TAGDECL([], [postdep_objects], [1]) +_LT_TAGDECL([], [predeps], [1]) +_LT_TAGDECL([], [postdeps], [1]) +_LT_TAGDECL([], [compiler_lib_search_path], [1], + [The library search path used internally by the compiler when linking + a shared library]) +])# _LT_SYS_HIDDEN_LIBDEPS + + +# _LT_PROG_F77 +# ------------ +# Since AC_PROG_F77 is broken, in that it returns the empty string +# if there is no fortran compiler, we have our own version here. +m4_defun([_LT_PROG_F77], +[ +pushdef([AC_MSG_ERROR], [_lt_disable_F77=yes]) +AC_PROG_F77 +if test -z "$F77" || test "X$F77" = "Xno"; then + _lt_disable_F77=yes +fi +popdef([AC_MSG_ERROR]) +])# _LT_PROG_F77 + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([_LT_PROG_F77], []) + + +# _LT_LANG_F77_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a Fortran 77 compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_F77_CONFIG], +[AC_REQUIRE([_LT_PROG_F77])dnl +AC_LANG_PUSH(Fortran 77) + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for f77 test sources. +ac_ext=f + +# Object file extension for compiled f77 test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the F77 compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_F77" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + CC=${F77-"f77"} + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + GCC=$G77 + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$G77" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC="$lt_save_CC" +fi # test "$_lt_disable_F77" != yes + +AC_LANG_POP +])# _LT_LANG_F77_CONFIG + + +# _LT_PROG_FC +# ----------- +# Since AC_PROG_FC is broken, in that it returns the empty string +# if there is no fortran compiler, we have our own version here. +m4_defun([_LT_PROG_FC], +[ +pushdef([AC_MSG_ERROR], [_lt_disable_FC=yes]) +AC_PROG_FC +if test -z "$FC" || test "X$FC" = "Xno"; then + _lt_disable_FC=yes +fi +popdef([AC_MSG_ERROR]) +])# _LT_PROG_FC + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([_LT_PROG_FC], []) + + +# _LT_LANG_FC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for a Fortran compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_FC_CONFIG], +[AC_REQUIRE([_LT_PROG_FC])dnl +AC_LANG_PUSH(Fortran) + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for fc test sources. +ac_ext=${ac_fc_srcext-f} + +# Object file extension for compiled fc test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the FC compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_FC" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + CC=${FC-"f95"} + compiler=$CC + GCC=$ac_cv_fc_compiler_gnu + + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC="$lt_save_CC" +fi # test "$_lt_disable_FC" != yes + +AC_LANG_POP +])# _LT_LANG_FC_CONFIG + + +# _LT_LANG_GCJ_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Java Compiler compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_GCJ_CONFIG], +[AC_REQUIRE([LT_PROG_GCJ])dnl +AC_LANG_SAVE + +# Source file extension for Java test sources. +ac_ext=java + +# Object file extension for compiled Java test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="class foo {}" + +# Code to be used in simple link tests +lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC="$CC" +lt_save_GCC=$GCC +GCC=yes +CC=${GCJ-"gcj"} +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)="$LD" +_LT_CC_BASENAME([$compiler]) + +# GCJ did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC="$lt_save_CC" +])# _LT_LANG_GCJ_CONFIG + + +# _LT_LANG_RC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for the Windows resource compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_RC_CONFIG], +[AC_REQUIRE([LT_PROG_RC])dnl +AC_LANG_SAVE + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code="$lt_simple_compile_test_code" + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC="$CC" +lt_save_GCC=$GCC +GCC= +CC=${RC-"windres"} +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_CC_BASENAME([$compiler]) +_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + +if test -n "$compiler"; then + : + _LT_CONFIG($1) +fi + +GCC=$lt_save_GCC +AC_LANG_RESTORE +CC="$lt_save_CC" +])# _LT_LANG_RC_CONFIG + + +# LT_PROG_GCJ +# ----------- +AC_DEFUN([LT_PROG_GCJ], +[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ], + [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ], + [AC_CHECK_TOOL(GCJ, gcj,) + test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2" + AC_SUBST(GCJFLAGS)])])[]dnl +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_GCJ], []) + + +# LT_PROG_RC +# ---------- +AC_DEFUN([LT_PROG_RC], +[AC_CHECK_TOOL(RC, windres,) +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_RC], []) + + +# _LT_DECL_EGREP +# -------------- +# If we don't have a new enough Autoconf to choose the best grep +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_EGREP], +[AC_REQUIRE([AC_PROG_EGREP])dnl +AC_REQUIRE([AC_PROG_FGREP])dnl +test -z "$GREP" && GREP=grep +_LT_DECL([], [GREP], [1], [A grep program that handles long lines]) +_LT_DECL([], [EGREP], [1], [An ERE matcher]) +_LT_DECL([], [FGREP], [1], [A literal string matcher]) +dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too +AC_SUBST([GREP]) +]) + + +# _LT_DECL_OBJDUMP +# -------------- +# If we don't have a new enough Autoconf to choose the best objdump +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_OBJDUMP], +[AC_CHECK_TOOL(OBJDUMP, objdump, false) +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper]) +AC_SUBST([OBJDUMP]) +]) + + +# _LT_DECL_SED +# ------------ +# Check for a fully-functional sed program, that truncates +# as few characters as possible. Prefer GNU sed if found. +m4_defun([_LT_DECL_SED], +[AC_PROG_SED +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" +_LT_DECL([], [SED], [1], [A sed program that does not truncate output]) +_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"], + [Sed that helps us avoid accidentally triggering echo(1) options like -n]) +])# _LT_DECL_SED + +m4_ifndef([AC_PROG_SED], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_SED. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ + +m4_defun([AC_PROG_SED], +[AC_MSG_CHECKING([for a sed that does not truncate output]) +AC_CACHE_VAL(lt_cv_path_SED, +[# Loop through the user's path and test for sed and gsed. +# Then use that list of sed's as ones to test for truncation. +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for lt_ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then + lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" + fi + done + done +done +IFS=$as_save_IFS +lt_ac_max=0 +lt_ac_count=0 +# Add /usr/xpg4/bin/sed as it is typically found on Solaris +# along with /bin/sed that truncates output. +for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do + test ! -f $lt_ac_sed && continue + cat /dev/null > conftest.in + lt_ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >conftest.in + # Check for GNU sed and select it if it is found. + if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then + lt_cv_path_SED=$lt_ac_sed + break + fi + while true; do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >>conftest.nl + $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break + cmp -s conftest.out conftest.nl || break + # 10000 chars as input seems more than enough + test $lt_ac_count -gt 10 && break + lt_ac_count=`expr $lt_ac_count + 1` + if test $lt_ac_count -gt $lt_ac_max; then + lt_ac_max=$lt_ac_count + lt_cv_path_SED=$lt_ac_sed + fi + done +done +]) +SED=$lt_cv_path_SED +AC_SUBST([SED]) +AC_MSG_RESULT([$SED]) +])#AC_PROG_SED +])#m4_ifndef + +# Old name: +AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_SED], []) + + +# _LT_CHECK_SHELL_FEATURES +# ------------------------ +# Find out whether the shell is Bourne or XSI compatible, +# or has some other useful features. +m4_defun([_LT_CHECK_SHELL_FEATURES], +[AC_MSG_CHECKING([whether the shell understands some XSI constructs]) +# Try some XSI features +xsi_shell=no +( _lt_dummy="a/b/c" + test "${_lt_dummy##*/},${_lt_dummy%/*},"${_lt_dummy%"$_lt_dummy"}, \ + = c,a/b,, \ + && eval 'test $(( 1 + 1 )) -eq 2 \ + && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ + && xsi_shell=yes +AC_MSG_RESULT([$xsi_shell]) +_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell']) + +AC_MSG_CHECKING([whether the shell understands "+="]) +lt_shell_append=no +( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \ + >/dev/null 2>&1 \ + && lt_shell_append=yes +AC_MSG_RESULT([$lt_shell_append]) +_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append']) + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi +_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac +_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl +_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl +])# _LT_CHECK_SHELL_FEATURES + + +# _LT_PROG_XSI_SHELLFNS +# --------------------- +# Bourne and XSI compatible variants of some useful shell functions. +m4_defun([_LT_PROG_XSI_SHELLFNS], +[case $xsi_shell in + yes) + cat << \_LT_EOF >> "$cfgfile" + +# func_dirname file append nondir_replacement +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +func_dirname () +{ + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac +} + +# func_basename file +func_basename () +{ + func_basename_result="${1##*/}" +} + +# func_dirname_and_basename file append nondir_replacement +# perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# Implementation must be kept synchronized with func_dirname +# and func_basename. For efficiency, we do not delegate to +# those functions but instead duplicate the functionality here. +func_dirname_and_basename () +{ + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac + func_basename_result="${1##*/}" +} + +# func_stripname prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +func_stripname () +{ + # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are + # positional parameters, so assign one to ordinary parameter first. + func_stripname_result=${3} + func_stripname_result=${func_stripname_result#"${1}"} + func_stripname_result=${func_stripname_result%"${2}"} +} + +# func_opt_split +func_opt_split () +{ + func_opt_split_opt=${1%%=*} + func_opt_split_arg=${1#*=} +} + +# func_lo2o object +func_lo2o () +{ + case ${1} in + *.lo) func_lo2o_result=${1%.lo}.${objext} ;; + *) func_lo2o_result=${1} ;; + esac +} + +# func_xform libobj-or-source +func_xform () +{ + func_xform_result=${1%.*}.lo +} + +# func_arith arithmetic-term... +func_arith () +{ + func_arith_result=$(( $[*] )) +} + +# func_len string +# STRING may not start with a hyphen. +func_len () +{ + func_len_result=${#1} +} + +_LT_EOF + ;; + *) # Bourne compatible functions. + cat << \_LT_EOF >> "$cfgfile" + +# func_dirname file append nondir_replacement +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +func_dirname () +{ + # Extract subdirectory from the argument. + func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi +} + +# func_basename file +func_basename () +{ + func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"` +} + +dnl func_dirname_and_basename +dnl A portable version of this function is already defined in general.m4sh +dnl so there is no need for it here. + +# func_stripname prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# func_strip_suffix prefix name +func_stripname () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "X${3}" \ + | $Xsed -e "s%^${1}%%" -e "s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "X${3}" \ + | $Xsed -e "s%^${1}%%" -e "s%${2}\$%%"`;; + esac +} + +# sed scripts: +my_sed_long_opt='1s/^\(-[[^=]]*\)=.*/\1/;q' +my_sed_long_arg='1s/^-[[^=]]*=//' + +# func_opt_split +func_opt_split () +{ + func_opt_split_opt=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_opt"` + func_opt_split_arg=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_arg"` +} + +# func_lo2o object +func_lo2o () +{ + func_lo2o_result=`$ECHO "X${1}" | $Xsed -e "$lo2o"` +} + +# func_xform libobj-or-source +func_xform () +{ + func_xform_result=`$ECHO "X${1}" | $Xsed -e 's/\.[[^.]]*$/.lo/'` +} + +# func_arith arithmetic-term... +func_arith () +{ + func_arith_result=`expr "$[@]"` +} + +# func_len string +# STRING may not start with a hyphen. +func_len () +{ + func_len_result=`expr "$[1]" : ".*" 2>/dev/null || echo $max_cmd_len` +} + +_LT_EOF +esac + +case $lt_shell_append in + yes) + cat << \_LT_EOF >> "$cfgfile" + +# func_append var value +# Append VALUE to the end of shell variable VAR. +func_append () +{ + eval "$[1]+=\$[2]" +} +_LT_EOF + ;; + *) + cat << \_LT_EOF >> "$cfgfile" + +# func_append var value +# Append VALUE to the end of shell variable VAR. +func_append () +{ + eval "$[1]=\$$[1]\$[2]" +} + +_LT_EOF + ;; + esac +]) diff --git a/google-breakpad/m4/ltoptions.m4 b/google-breakpad/m4/ltoptions.m4 new file mode 100644 index 0000000..34151a3 --- /dev/null +++ b/google-breakpad/m4/ltoptions.m4 @@ -0,0 +1,368 @@ +# Helper functions for option handling. -*- Autoconf -*- +# +# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltoptions.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) + + +# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) +# ------------------------------------------ +m4_define([_LT_MANGLE_OPTION], +[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) + + +# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) +# --------------------------------------- +# Set option OPTION-NAME for macro MACRO-NAME, and if there is a +# matching handler defined, dispatch to it. Other OPTION-NAMEs are +# saved as a flag. +m4_define([_LT_SET_OPTION], +[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl +m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), + _LT_MANGLE_DEFUN([$1], [$2]), + [m4_warning([Unknown $1 option `$2'])])[]dnl +]) + + +# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) +# ------------------------------------------------------------ +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +m4_define([_LT_IF_OPTION], +[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) + + +# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) +# ------------------------------------------------------- +# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME +# are set. +m4_define([_LT_UNLESS_OPTIONS], +[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), + [m4_define([$0_found])])])[]dnl +m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 +])[]dnl +]) + + +# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) +# ---------------------------------------- +# OPTION-LIST is a space-separated list of Libtool options associated +# with MACRO-NAME. If any OPTION has a matching handler declared with +# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about +# the unknown option and exit. +m4_defun([_LT_SET_OPTIONS], +[# Set options +m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [_LT_SET_OPTION([$1], _LT_Option)]) + +m4_if([$1],[LT_INIT],[ + dnl + dnl Simply set some default values (i.e off) if boolean options were not + dnl specified: + _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no + ]) + _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no + ]) + dnl + dnl If no reference was made to various pairs of opposing options, then + dnl we run the default mode handler for the pair. For example, if neither + dnl `shared' nor `disable-shared' was passed, we enable building of shared + dnl archives by default: + _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) + _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], + [_LT_ENABLE_FAST_INSTALL]) + ]) +])# _LT_SET_OPTIONS + + +## --------------------------------- ## +## Macros to handle LT_INIT options. ## +## --------------------------------- ## + +# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) +# ----------------------------------------- +m4_define([_LT_MANGLE_DEFUN], +[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) + + +# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) +# ----------------------------------------------- +m4_define([LT_OPTION_DEFINE], +[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl +])# LT_OPTION_DEFINE + + +# dlopen +# ------ +LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes +]) + +AU_DEFUN([AC_LIBTOOL_DLOPEN], +[_LT_SET_OPTION([LT_INIT], [dlopen]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `dlopen' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) + + +# win32-dll +# --------- +# Declare package support for building win32 dll's. +LT_OPTION_DEFINE([LT_INIT], [win32-dll], +[enable_win32_dll=yes + +case $host in +*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-cegcc*) + AC_CHECK_TOOL(AS, as, false) + AC_CHECK_TOOL(DLLTOOL, dlltool, false) + AC_CHECK_TOOL(OBJDUMP, objdump, false) + ;; +esac + +test -z "$AS" && AS=as +_LT_DECL([], [AS], [0], [Assembler program])dnl + +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [0], [DLL creation program])dnl + +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [0], [Object dumper program])dnl +])# win32-dll + +AU_DEFUN([AC_LIBTOOL_WIN32_DLL], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +_LT_SET_OPTION([LT_INIT], [win32-dll]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `win32-dll' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) + + +# _LT_ENABLE_SHARED([DEFAULT]) +# ---------------------------- +# implement the --enable-shared flag, and supports the `shared' and +# `disable-shared' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_SHARED], +[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([shared], + [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], + [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) + + _LT_DECL([build_libtool_libs], [enable_shared], [0], + [Whether or not to build shared libraries]) +])# _LT_ENABLE_SHARED + +LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) +]) + +AC_DEFUN([AC_DISABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], [disable-shared]) +]) + +AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) +AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_SHARED], []) +dnl AC_DEFUN([AM_DISABLE_SHARED], []) + + + +# _LT_ENABLE_STATIC([DEFAULT]) +# ---------------------------- +# implement the --enable-static flag, and support the `static' and +# `disable-static' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_STATIC], +[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([static], + [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], + [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_static=]_LT_ENABLE_STATIC_DEFAULT) + + _LT_DECL([build_old_libs], [enable_static], [0], + [Whether or not to build static libraries]) +])# _LT_ENABLE_STATIC + +LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) +]) + +AC_DEFUN([AC_DISABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], [disable-static]) +]) + +AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) +AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_STATIC], []) +dnl AC_DEFUN([AM_DISABLE_STATIC], []) + + + +# _LT_ENABLE_FAST_INSTALL([DEFAULT]) +# ---------------------------------- +# implement the --enable-fast-install flag, and support the `fast-install' +# and `disable-fast-install' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_FAST_INSTALL], +[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([fast-install], + [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], + [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) + +_LT_DECL([fast_install], [enable_fast_install], [0], + [Whether or not to optimize for fast installation])dnl +])# _LT_ENABLE_FAST_INSTALL + +LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) + +# Old names: +AU_DEFUN([AC_ENABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `fast-install' option into LT_INIT's first parameter.]) +]) + +AU_DEFUN([AC_DISABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], [disable-fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `disable-fast-install' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) +dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) + + +# _LT_WITH_PIC([MODE]) +# -------------------- +# implement the --with-pic flag, and support the `pic-only' and `no-pic' +# LT_INIT options. +# MODE is either `yes' or `no'. If omitted, it defaults to `both'. +m4_define([_LT_WITH_PIC], +[AC_ARG_WITH([pic], + [AS_HELP_STRING([--with-pic], + [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], + [pic_mode="$withval"], + [pic_mode=default]) + +test -z "$pic_mode" && pic_mode=m4_default([$1], [default]) + +_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl +])# _LT_WITH_PIC + +LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) + +# Old name: +AU_DEFUN([AC_LIBTOOL_PICMODE], +[_LT_SET_OPTION([LT_INIT], [pic-only]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `pic-only' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) + +## ----------------- ## +## LTDL_INIT Options ## +## ----------------- ## + +m4_define([_LTDL_MODE], []) +LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], + [m4_define([_LTDL_MODE], [nonrecursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [recursive], + [m4_define([_LTDL_MODE], [recursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [subproject], + [m4_define([_LTDL_MODE], [subproject])]) + +m4_define([_LTDL_TYPE], []) +LT_OPTION_DEFINE([LTDL_INIT], [installable], + [m4_define([_LTDL_TYPE], [installable])]) +LT_OPTION_DEFINE([LTDL_INIT], [convenience], + [m4_define([_LTDL_TYPE], [convenience])]) diff --git a/google-breakpad/m4/ltsugar.m4 b/google-breakpad/m4/ltsugar.m4 new file mode 100644 index 0000000..9000a05 --- /dev/null +++ b/google-breakpad/m4/ltsugar.m4 @@ -0,0 +1,123 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltsugar.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) + + +# lt_join(SEP, ARG1, [ARG2...]) +# ----------------------------- +# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their +# associated separator. +# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier +# versions in m4sugar had bugs. +m4_define([lt_join], +[m4_if([$#], [1], [], + [$#], [2], [[$2]], + [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) +m4_define([_lt_join], +[m4_if([$#$2], [2], [], + [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) + + +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59 which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) +m4_define([lt_unquote], $1) + + +# lt_append(MACRO-NAME, STRING, [SEPARATOR]) +# ------------------------------------------ +# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. +# Note that neither SEPARATOR nor STRING are expanded; they are appended +# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). +# No SEPARATOR is output if MACRO-NAME was previously undefined (different +# than defined and empty). +# +# This macro is needed until we can rely on Autoconf 2.62, since earlier +# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. +m4_define([lt_append], +[m4_define([$1], + m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) + + + +# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) +# ---------------------------------------------------------- +# Produce a SEP delimited list of all paired combinations of elements of +# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list +# has the form PREFIXmINFIXSUFFIXn. +# Needed until we can rely on m4_combine added in Autoconf 2.62. +m4_define([lt_combine], +[m4_if(m4_eval([$# > 3]), [1], + [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl +[[m4_foreach([_Lt_prefix], [$2], + [m4_foreach([_Lt_suffix], + ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, + [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) + + +# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) +# ----------------------------------------------------------------------- +# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited +# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. +m4_define([lt_if_append_uniq], +[m4_ifdef([$1], + [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], + [lt_append([$1], [$2], [$3])$4], + [$5])], + [lt_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$3])]) + + +# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) +# -------------------------------------------- +m4_define([lt_dict_add_subkey], +[m4_define([$1($2:$3)], [$4])]) + + +# lt_dict_fetch(DICT, KEY, [SUBKEY]) +# ---------------------------------- +m4_define([lt_dict_fetch], +[m4_ifval([$3], + m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), + m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) + + +# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) +# ----------------------------------------------------------------- +m4_define([lt_if_dict_fetch], +[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], + [$5], + [$6])]) + + +# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) +# -------------------------------------------------------------- +m4_define([lt_dict_filter], +[m4_if([$5], [], [], + [lt_join(m4_quote(m4_default([$4], [[, ]])), + lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), + [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl +]) diff --git a/google-breakpad/m4/ltversion.m4 b/google-breakpad/m4/ltversion.m4 new file mode 100644 index 0000000..f3c5309 --- /dev/null +++ b/google-breakpad/m4/ltversion.m4 @@ -0,0 +1,23 @@ +# ltversion.m4 -- version numbers -*- Autoconf -*- +# +# Copyright (C) 2004 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# Generated from ltversion.in. + +# serial 3017 ltversion.m4 +# This file is part of GNU Libtool + +m4_define([LT_PACKAGE_VERSION], [2.2.6b]) +m4_define([LT_PACKAGE_REVISION], [1.3017]) + +AC_DEFUN([LTVERSION_VERSION], +[macro_version='2.2.6b' +macro_revision='1.3017' +_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) +_LT_DECL(, macro_revision, 0) +]) diff --git a/google-breakpad/m4/lt~obsolete.m4 b/google-breakpad/m4/lt~obsolete.m4 new file mode 100644 index 0000000..637bb20 --- /dev/null +++ b/google-breakpad/m4/lt~obsolete.m4 @@ -0,0 +1,92 @@ +# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004. +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 4 lt~obsolete.m4 + +# These exist entirely to fool aclocal when bootstrapping libtool. +# +# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN) +# which have later been changed to m4_define as they aren't part of the +# exported API, or moved to Autoconf or Automake where they belong. +# +# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN +# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us +# using a macro with the same name in our local m4/libtool.m4 it'll +# pull the old libtool.m4 in (it doesn't see our shiny new m4_define +# and doesn't know about Autoconf macros at all.) +# +# So we provide this file, which has a silly filename so it's always +# included after everything else. This provides aclocal with the +# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything +# because those macros already exist, or will be overwritten later. +# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. +# +# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. +# Yes, that means every name once taken will need to remain here until +# we give up compatibility with versions before 1.7, at which point +# we need to keep only those names which we still refer to. + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) + +m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) +m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) +m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])]) +m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])]) +m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])]) +m4_ifndef([_LT_PROG_LTMAIN], [AC_DEFUN([_LT_PROG_LTMAIN])]) +m4_ifndef([_LT_AC_TAGVAR], [AC_DEFUN([_LT_AC_TAGVAR])]) +m4_ifndef([AC_LTDL_ENABLE_INSTALL], [AC_DEFUN([AC_LTDL_ENABLE_INSTALL])]) +m4_ifndef([AC_LTDL_PREOPEN], [AC_DEFUN([AC_LTDL_PREOPEN])]) +m4_ifndef([_LT_AC_SYS_COMPILER], [AC_DEFUN([_LT_AC_SYS_COMPILER])]) +m4_ifndef([_LT_AC_LOCK], [AC_DEFUN([_LT_AC_LOCK])]) +m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE], [AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])]) +m4_ifndef([_LT_AC_TRY_DLOPEN_SELF], [AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])]) +m4_ifndef([AC_LIBTOOL_PROG_CC_C_O], [AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])]) +m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])]) +m4_ifndef([AC_LIBTOOL_OBJDIR], [AC_DEFUN([AC_LIBTOOL_OBJDIR])]) +m4_ifndef([AC_LTDL_OBJDIR], [AC_DEFUN([AC_LTDL_OBJDIR])]) +m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])]) +m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP], [AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])]) +m4_ifndef([AC_PATH_MAGIC], [AC_DEFUN([AC_PATH_MAGIC])]) +m4_ifndef([AC_PROG_LD_GNU], [AC_DEFUN([AC_PROG_LD_GNU])]) +m4_ifndef([AC_PROG_LD_RELOAD_FLAG], [AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])]) +m4_ifndef([AC_DEPLIBS_CHECK_METHOD], [AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])]) +m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])]) +m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])]) +m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])]) +m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS], [AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])]) +m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP], [AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])]) +m4_ifndef([LT_AC_PROG_EGREP], [AC_DEFUN([LT_AC_PROG_EGREP])]) +m4_ifndef([LT_AC_PROG_SED], [AC_DEFUN([LT_AC_PROG_SED])]) +m4_ifndef([_LT_CC_BASENAME], [AC_DEFUN([_LT_CC_BASENAME])]) +m4_ifndef([_LT_COMPILER_BOILERPLATE], [AC_DEFUN([_LT_COMPILER_BOILERPLATE])]) +m4_ifndef([_LT_LINKER_BOILERPLATE], [AC_DEFUN([_LT_LINKER_BOILERPLATE])]) +m4_ifndef([_AC_PROG_LIBTOOL], [AC_DEFUN([_AC_PROG_LIBTOOL])]) +m4_ifndef([AC_LIBTOOL_SETUP], [AC_DEFUN([AC_LIBTOOL_SETUP])]) +m4_ifndef([_LT_AC_CHECK_DLFCN], [AC_DEFUN([_LT_AC_CHECK_DLFCN])]) +m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER], [AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])]) +m4_ifndef([_LT_AC_TAGCONFIG], [AC_DEFUN([_LT_AC_TAGCONFIG])]) +m4_ifndef([AC_DISABLE_FAST_INSTALL], [AC_DEFUN([AC_DISABLE_FAST_INSTALL])]) +m4_ifndef([_LT_AC_LANG_CXX], [AC_DEFUN([_LT_AC_LANG_CXX])]) +m4_ifndef([_LT_AC_LANG_F77], [AC_DEFUN([_LT_AC_LANG_F77])]) +m4_ifndef([_LT_AC_LANG_GCJ], [AC_DEFUN([_LT_AC_LANG_GCJ])]) +m4_ifndef([AC_LIBTOOL_RC], [AC_DEFUN([AC_LIBTOOL_RC])]) +m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])]) +m4_ifndef([_LT_AC_LANG_C_CONFIG], [AC_DEFUN([_LT_AC_LANG_C_CONFIG])]) +m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])]) +m4_ifndef([_LT_AC_LANG_CXX_CONFIG], [AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])]) +m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])]) +m4_ifndef([_LT_AC_LANG_F77_CONFIG], [AC_DEFUN([_LT_AC_LANG_F77_CONFIG])]) +m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])]) +m4_ifndef([_LT_AC_LANG_GCJ_CONFIG], [AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])]) +m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])]) +m4_ifndef([_LT_AC_LANG_RC_CONFIG], [AC_DEFUN([_LT_AC_LANG_RC_CONFIG])]) +m4_ifndef([AC_LIBTOOL_CONFIG], [AC_DEFUN([AC_LIBTOOL_CONFIG])]) +m4_ifndef([_LT_AC_FILE_LTDLL_C], [AC_DEFUN([_LT_AC_FILE_LTDLL_C])]) diff --git a/google-breakpad/src/breakpad_googletest_includes.h b/google-breakpad/src/breakpad_googletest_includes.h new file mode 100644 index 0000000..48a4cc1 --- /dev/null +++ b/google-breakpad/src/breakpad_googletest_includes.h @@ -0,0 +1,36 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef BREAKPAD_GOOGLETEST_INCLUDES_H__ +#define BREAKPAD_GOOGLETEST_INCLUDES_H__ + +#include "testing/gtest/include/gtest/gtest.h" +#include "testing/include/gmock/gmock.h" + +#endif // BREAKPAD_GOOGLETEST_INCLUDES_H__ diff --git a/google-breakpad/src/client/linux/crash_generation/client_info.h b/google-breakpad/src/client/linux/crash_generation/client_info.h new file mode 100644 index 0000000..d0a184a --- /dev/null +++ b/google-breakpad/src/client/linux/crash_generation/client_info.h @@ -0,0 +1,53 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_CRASH_GENERATION_CLIENT_INFO_H_ +#define CLIENT_LINUX_CRASH_GENERATION_CLIENT_INFO_H_ + +namespace google_breakpad { + +class CrashGenerationServer; + +class ClientInfo { + public: + ClientInfo(pid_t pid, CrashGenerationServer* crash_server) + : crash_server_(crash_server), + pid_(pid) {} + + CrashGenerationServer* crash_server() const { return crash_server_; } + pid_t pid() const { return pid_; } + + private: + CrashGenerationServer* crash_server_; + pid_t pid_; +}; + +} + +#endif // CLIENT_LINUX_CRASH_GENERATION_CLIENT_INFO_H_ diff --git a/google-breakpad/src/client/linux/crash_generation/crash_generation_client.cc b/google-breakpad/src/client/linux/crash_generation/crash_generation_client.cc new file mode 100644 index 0000000..6ede779 --- /dev/null +++ b/google-breakpad/src/client/linux/crash_generation/crash_generation_client.cc @@ -0,0 +1,92 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include + +#include + +#include "client/linux/crash_generation/crash_generation_client.h" +#include "common/linux/eintr_wrapper.h" +#include "common/linux/ignore_ret.h" +#include "common/linux/linux_libc_support.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +bool +CrashGenerationClient::RequestDump(const void* blob, size_t blob_size) +{ + int fds[2]; + sys_socketpair(AF_UNIX, SOCK_STREAM, 0, fds); + static const unsigned kControlMsgSize = CMSG_SPACE(sizeof(int)); + + struct kernel_msghdr msg; + my_memset(&msg, 0, sizeof(struct kernel_msghdr)); + struct kernel_iovec iov[1]; + iov[0].iov_base = const_cast(blob); + iov[0].iov_len = blob_size; + + msg.msg_iov = iov; + msg.msg_iovlen = sizeof(iov) / sizeof(iov[0]); + char cmsg[kControlMsgSize]; + my_memset(cmsg, 0, kControlMsgSize); + msg.msg_control = cmsg; + msg.msg_controllen = sizeof(cmsg); + + struct cmsghdr* hdr = CMSG_FIRSTHDR(&msg); + hdr->cmsg_level = SOL_SOCKET; + hdr->cmsg_type = SCM_RIGHTS; + hdr->cmsg_len = CMSG_LEN(sizeof(int)); + int* p = reinterpret_cast(CMSG_DATA(hdr)); + *p = fds[1]; + + ssize_t ret = HANDLE_EINTR(sys_sendmsg(server_fd_, &msg, 0)); + sys_close(fds[1]); + if (ret <= 0) + return false; + + // wait for an ACK from the server + char b; + IGNORE_RET(HANDLE_EINTR(sys_read(fds[0], &b, 1))); + + return true; +} + +//static +CrashGenerationClient* +CrashGenerationClient::TryCreate(int server_fd) +{ + if (0 > server_fd) + return NULL; + return new CrashGenerationClient(server_fd); +} + +} diff --git a/google-breakpad/src/client/linux/crash_generation/crash_generation_client.h b/google-breakpad/src/client/linux/crash_generation/crash_generation_client.h new file mode 100644 index 0000000..7139dff --- /dev/null +++ b/google-breakpad/src/client/linux/crash_generation/crash_generation_client.h @@ -0,0 +1,69 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_ +#define CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_ + +#include + +namespace google_breakpad { + +class CrashGenerationClient { +public: + ~CrashGenerationClient() + { + } + + // Request the crash server to generate a dump. |blob| is a hack, + // see exception_handler.h and minidump_writer.h + // + // Return true if the dump was successful; false otherwise. + bool RequestDump(const void* blob, size_t blob_size); + + // Return a new CrashGenerationClient if |server_fd| is valid and + // connects to a CrashGenerationServer. Otherwise, return NULL. + // The returned CrashGenerationClient* is owned by the caller of + // this function. + static CrashGenerationClient* TryCreate(int server_fd); + +private: + CrashGenerationClient(int server_fd) : server_fd_(server_fd) + { + } + + int server_fd_; + + // prevent copy construction and assignment + CrashGenerationClient(const CrashGenerationClient&); + CrashGenerationClient& operator=(const CrashGenerationClient&); +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_ diff --git a/google-breakpad/src/client/linux/crash_generation/crash_generation_server.cc b/google-breakpad/src/client/linux/crash_generation/crash_generation_server.cc new file mode 100644 index 0000000..f1e16b1 --- /dev/null +++ b/google-breakpad/src/client/linux/crash_generation/crash_generation_server.cc @@ -0,0 +1,464 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "client/linux/crash_generation/crash_generation_server.h" +#include "client/linux/crash_generation/client_info.h" +#include "client/linux/handler/exception_handler.h" +#include "client/linux/minidump_writer/minidump_writer.h" +#include "common/linux/eintr_wrapper.h" +#include "common/linux/guid_creator.h" +#include "common/linux/safe_readlink.h" + +static const char kCommandQuit = 'x'; + +static bool +GetInodeForFileDescriptor(ino_t* inode_out, int fd) +{ + assert(inode_out); + + struct stat buf; + if (fstat(fd, &buf) < 0) + return false; + + if (!S_ISSOCK(buf.st_mode)) + return false; + + *inode_out = buf.st_ino; + return true; +} + +// expected prefix of the target of the /proc/self/fd/%d link for a socket +static const char kSocketLinkPrefix[] = "socket:["; + +// Parse a symlink in /proc/pid/fd/$x and return the inode number of the +// socket. +// inode_out: (output) set to the inode number on success +// path: e.g. /proc/1234/fd/5 (must be a UNIX domain socket descriptor) +static bool +GetInodeForProcPath(ino_t* inode_out, const char* path) +{ + assert(inode_out); + assert(path); + + char buf[PATH_MAX]; + if (!google_breakpad::SafeReadLink(path, buf)) { + return false; + } + + if (0 != memcmp(kSocketLinkPrefix, buf, sizeof(kSocketLinkPrefix) - 1)) { + return false; + } + + char* endptr; + const uint64_t inode_ul = + strtoull(buf + sizeof(kSocketLinkPrefix) - 1, &endptr, 10); + if (*endptr != ']') + return false; + + if (inode_ul == ULLONG_MAX) { + return false; + } + + *inode_out = inode_ul; + return true; +} + +static bool +FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode) +{ + assert(pid_out); + bool already_found = false; + + DIR* proc = opendir("/proc"); + if (!proc) { + return false; + } + + std::vector pids; + + struct dirent* dent; + while ((dent = readdir(proc))) { + char* endptr; + const unsigned long int pid_ul = strtoul(dent->d_name, &endptr, 10); + if (pid_ul == ULONG_MAX || '\0' != *endptr) + continue; + pids.push_back(pid_ul); + } + closedir(proc); + + for (std::vector::const_iterator + i = pids.begin(); i != pids.end(); ++i) { + const pid_t current_pid = *i; + char buf[PATH_MAX]; + snprintf(buf, sizeof(buf), "/proc/%d/fd", current_pid); + DIR* fd = opendir(buf); + if (!fd) + continue; + + while ((dent = readdir(fd))) { + if (snprintf(buf, sizeof(buf), "/proc/%d/fd/%s", current_pid, + dent->d_name) >= static_cast(sizeof(buf))) { + continue; + } + + ino_t fd_inode; + if (GetInodeForProcPath(&fd_inode, buf) + && fd_inode == socket_inode) { + if (already_found) { + closedir(fd); + return false; + } + + already_found = true; + *pid_out = current_pid; + break; + } + } + + closedir(fd); + } + + return already_found; +} + +namespace google_breakpad { + +CrashGenerationServer::CrashGenerationServer( + const int listen_fd, + OnClientDumpRequestCallback dump_callback, + void* dump_context, + OnClientExitingCallback exit_callback, + void* exit_context, + bool generate_dumps, + const string* dump_path) : + server_fd_(listen_fd), + dump_callback_(dump_callback), + dump_context_(dump_context), + exit_callback_(exit_callback), + exit_context_(exit_context), + generate_dumps_(generate_dumps), + started_(false) +{ + if (dump_path) + dump_dir_ = *dump_path; + else + dump_dir_ = "/tmp"; +} + +CrashGenerationServer::~CrashGenerationServer() +{ + if (started_) + Stop(); +} + +bool +CrashGenerationServer::Start() +{ + if (started_ || 0 > server_fd_) + return false; + + int control_pipe[2]; + if (pipe(control_pipe)) + return false; + + if (fcntl(control_pipe[0], F_SETFD, FD_CLOEXEC)) + return false; + if (fcntl(control_pipe[1], F_SETFD, FD_CLOEXEC)) + return false; + + if (fcntl(control_pipe[0], F_SETFL, O_NONBLOCK)) + return false; + + control_pipe_in_ = control_pipe[0]; + control_pipe_out_ = control_pipe[1]; + + if (pthread_create(&thread_, NULL, + ThreadMain, reinterpret_cast(this))) + return false; + + started_ = true; + return true; +} + +void +CrashGenerationServer::Stop() +{ + assert(pthread_self() != thread_); + + if (!started_) + return; + + HANDLE_EINTR(write(control_pipe_out_, &kCommandQuit, 1)); + + void* dummy; + pthread_join(thread_, &dummy); + + started_ = false; +} + +//static +bool +CrashGenerationServer::CreateReportChannel(int* server_fd, int* client_fd) +{ + int fds[2]; + + if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, fds)) + return false; + + static const int on = 1; + // Enable passcred on the server end of the socket + if (setsockopt(fds[1], SOL_SOCKET, SO_PASSCRED, &on, sizeof(on))) + return false; + + if (fcntl(fds[1], F_SETFL, O_NONBLOCK)) + return false; + if (fcntl(fds[1], F_SETFD, FD_CLOEXEC)) + return false; + + *client_fd = fds[0]; + *server_fd = fds[1]; + return true; +} + +// The following methods/functions execute on the server thread + +void +CrashGenerationServer::Run() +{ + struct pollfd pollfds[2]; + memset(&pollfds, 0, sizeof(pollfds)); + + pollfds[0].fd = server_fd_; + pollfds[0].events = POLLIN; + + pollfds[1].fd = control_pipe_in_; + pollfds[1].events = POLLIN; + + while (true) { + // infinite timeout + int nevents = poll(pollfds, sizeof(pollfds)/sizeof(pollfds[0]), -1); + if (-1 == nevents) { + if (EINTR == errno) { + continue; + } else { + return; + } + } + + if (pollfds[0].revents && !ClientEvent(pollfds[0].revents)) + return; + + if (pollfds[1].revents && !ControlEvent(pollfds[1].revents)) + return; + } +} + +bool +CrashGenerationServer::ClientEvent(short revents) +{ + if (POLLHUP & revents) + return false; + assert(POLLIN & revents); + + // A process has crashed and has signaled us by writing a datagram + // to the death signal socket. The datagram contains the crash context needed + // for writing the minidump as well as a file descriptor and a credentials + // block so that they can't lie about their pid. + + // The length of the control message: + static const unsigned kControlMsgSize = + CMSG_SPACE(sizeof(int)) + CMSG_SPACE(sizeof(struct ucred)); + // The length of the regular payload: + static const unsigned kCrashContextSize = + sizeof(google_breakpad::ExceptionHandler::CrashContext); + + struct msghdr msg = {0}; + struct iovec iov[1]; + char crash_context[kCrashContextSize]; + char control[kControlMsgSize]; + const ssize_t expected_msg_size = sizeof(crash_context); + + iov[0].iov_base = crash_context; + iov[0].iov_len = sizeof(crash_context); + msg.msg_iov = iov; + msg.msg_iovlen = sizeof(iov)/sizeof(iov[0]); + msg.msg_control = control; + msg.msg_controllen = kControlMsgSize; + + const ssize_t msg_size = HANDLE_EINTR(recvmsg(server_fd_, &msg, 0)); + if (msg_size != expected_msg_size) + return true; + + if (msg.msg_controllen != kControlMsgSize || + msg.msg_flags & ~MSG_TRUNC) + return true; + + // Walk the control payload and extract the file descriptor and validated pid. + pid_t crashing_pid = -1; + int signal_fd = -1; + for (struct cmsghdr *hdr = CMSG_FIRSTHDR(&msg); hdr; + hdr = CMSG_NXTHDR(&msg, hdr)) { + if (hdr->cmsg_level != SOL_SOCKET) + continue; + if (hdr->cmsg_type == SCM_RIGHTS) { + const unsigned len = hdr->cmsg_len - + (((uint8_t*)CMSG_DATA(hdr)) - (uint8_t*)hdr); + assert(len % sizeof(int) == 0u); + const unsigned num_fds = len / sizeof(int); + if (num_fds > 1 || num_fds == 0) { + // A nasty process could try and send us too many descriptors and + // force a leak. + for (unsigned i = 0; i < num_fds; ++i) + HANDLE_EINTR(close(reinterpret_cast(CMSG_DATA(hdr))[i])); + return true; + } else { + signal_fd = reinterpret_cast(CMSG_DATA(hdr))[0]; + } + } else if (hdr->cmsg_type == SCM_CREDENTIALS) { + const struct ucred *cred = + reinterpret_cast(CMSG_DATA(hdr)); + crashing_pid = cred->pid; + } + } + + if (crashing_pid == -1 || signal_fd == -1) { + if (signal_fd) + HANDLE_EINTR(close(signal_fd)); + return true; + } + + // Kernel bug workaround (broken in 2.6.30 at least): + // The kernel doesn't translate PIDs in SCM_CREDENTIALS across PID + // namespaces. Thus |crashing_pid| might be garbage from our point of view. + // In the future we can remove this workaround, but we have to wait a couple + // of years to be sure that it's worked its way out into the world. + + ino_t inode_number; + if (!GetInodeForFileDescriptor(&inode_number, signal_fd)) { + HANDLE_EINTR(close(signal_fd)); + return true; + } + + if (!FindProcessHoldingSocket(&crashing_pid, inode_number - 1)) { + HANDLE_EINTR(close(signal_fd)); + return true; + } + + string minidump_filename; + if (!MakeMinidumpFilename(minidump_filename)) + return true; + + if (!google_breakpad::WriteMinidump(minidump_filename.c_str(), + crashing_pid, crash_context, + kCrashContextSize)) { + HANDLE_EINTR(close(signal_fd)); + return true; + } + + if (dump_callback_) { + ClientInfo info(crashing_pid, this); + + dump_callback_(dump_context_, &info, &minidump_filename); + } + + // Send the done signal to the process: it can exit now. + memset(&msg, 0, sizeof(msg)); + struct iovec done_iov; + done_iov.iov_base = const_cast("\x42"); + done_iov.iov_len = 1; + msg.msg_iov = &done_iov; + msg.msg_iovlen = 1; + + HANDLE_EINTR(sendmsg(signal_fd, &msg, MSG_DONTWAIT | MSG_NOSIGNAL)); + HANDLE_EINTR(close(signal_fd)); + + return true; +} + +bool +CrashGenerationServer::ControlEvent(short revents) +{ + if (POLLHUP & revents) + return false; + assert(POLLIN & revents); + + char command; + if (read(control_pipe_in_, &command, 1)) + return false; + + switch (command) { + case kCommandQuit: + return false; + default: + assert(0); + } + + return true; +} + +bool +CrashGenerationServer::MakeMinidumpFilename(string& outFilename) +{ + GUID guid; + char guidString[kGUIDStringLength+1]; + + if (!(CreateGUID(&guid) + && GUIDToString(&guid, guidString, sizeof(guidString)))) + return false; + + char path[PATH_MAX]; + snprintf(path, sizeof(path), "%s/%s.dmp", dump_dir_.c_str(), guidString); + + outFilename = path; + return true; +} + +// static +void* +CrashGenerationServer::ThreadMain(void *arg) +{ + reinterpret_cast(arg)->Run(); + return NULL; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/crash_generation/crash_generation_server.h b/google-breakpad/src/client/linux/crash_generation/crash_generation_server.h new file mode 100644 index 0000000..483fb70 --- /dev/null +++ b/google-breakpad/src/client/linux/crash_generation/crash_generation_server.h @@ -0,0 +1,135 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_SERVER_H_ +#define CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_SERVER_H_ + +#include + +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +class ClientInfo; + +class CrashGenerationServer { +public: + // WARNING: callbacks may be invoked on a different thread + // than that which creates the CrashGenerationServer. They must + // be thread safe. + typedef void (*OnClientDumpRequestCallback)(void* context, + const ClientInfo* client_info, + const string* file_path); + + typedef void (*OnClientExitingCallback)(void* context, + const ClientInfo* client_info); + + // Create an instance with the given parameters. + // + // Parameter listen_fd: The server fd created by CreateReportChannel(). + // Parameter dump_callback: Callback for a client crash dump request. + // Parameter dump_context: Context for client crash dump request callback. + // Parameter exit_callback: Callback for client process exit. + // Parameter exit_context: Context for client exit callback. + // Parameter generate_dumps: Whether to automatically generate dumps. + // Client code of this class might want to generate dumps explicitly + // in the crash dump request callback. In that case, false can be + // passed for this parameter. + // Parameter dump_path: Path for generating dumps; required only if true is + // passed for generateDumps parameter; NULL can be passed otherwise. + CrashGenerationServer(const int listen_fd, + OnClientDumpRequestCallback dump_callback, + void* dump_context, + OnClientExitingCallback exit_callback, + void* exit_context, + bool generate_dumps, + const string* dump_path); + + ~CrashGenerationServer(); + + // Perform initialization steps needed to start listening to clients. + // + // Return true if initialization is successful; false otherwise. + bool Start(); + + // Stop the server. + void Stop(); + + // Create a "channel" that can be used by clients to report crashes + // to a CrashGenerationServer. |*server_fd| should be passed to + // this class's constructor, and |*client_fd| should be passed to + // the ExceptionHandler constructor in the client process. + static bool CreateReportChannel(int* server_fd, int* client_fd); + +private: + // Run the server's event loop + void Run(); + + // Invoked when an child process (client) event occurs + // Returning true => "keep running", false => "exit loop" + bool ClientEvent(short revents); + + // Invoked when the controlling thread (main) event occurs + // Returning true => "keep running", false => "exit loop" + bool ControlEvent(short revents); + + // Return a unique filename at which a minidump can be written + bool MakeMinidumpFilename(string& outFilename); + + // Trampoline to |Run()| + static void* ThreadMain(void* arg); + + int server_fd_; + + OnClientDumpRequestCallback dump_callback_; + void* dump_context_; + + OnClientExitingCallback exit_callback_; + void* exit_context_; + + bool generate_dumps_; + + string dump_dir_; + + bool started_; + + pthread_t thread_; + int control_pipe_in_; + int control_pipe_out_; + + // disable these + CrashGenerationServer(const CrashGenerationServer&); + CrashGenerationServer& operator=(const CrashGenerationServer&); +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_SERVER_H_ diff --git a/google-breakpad/src/client/linux/data/linux-gate-amd.sym b/google-breakpad/src/client/linux/data/linux-gate-amd.sym new file mode 100644 index 0000000..e042a5e --- /dev/null +++ b/google-breakpad/src/client/linux/data/linux-gate-amd.sym @@ -0,0 +1,3 @@ +MODULE Linux x86 B8CFDE93002D54DA1900A40AA1BD67690 linux-gate.so +PUBLIC 400 0 __kernel_vsyscall +STACK WIN 4 400 100 1 1 0 0 0 0 0 1 diff --git a/google-breakpad/src/client/linux/data/linux-gate-intel.sym b/google-breakpad/src/client/linux/data/linux-gate-intel.sym new file mode 100644 index 0000000..c209c23 --- /dev/null +++ b/google-breakpad/src/client/linux/data/linux-gate-intel.sym @@ -0,0 +1,3 @@ +MODULE Linux x86 4FBDA58B5A1DF5A379E3CF19A235EA090 linux-gate.so +PUBLIC 400 0 __kernel_vsyscall +STACK WIN 4 400 200 3 3 0 0 0 0 0 1 \ No newline at end of file diff --git a/google-breakpad/src/client/linux/handler/exception_handler.cc b/google-breakpad/src/client/linux/handler/exception_handler.cc new file mode 100644 index 0000000..ec1f16a --- /dev/null +++ b/google-breakpad/src/client/linux/handler/exception_handler.cc @@ -0,0 +1,688 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// The ExceptionHandler object installs signal handlers for a number of +// signals. We rely on the signal handler running on the thread which crashed +// in order to identify it. This is true of the synchronous signals (SEGV etc), +// but not true of ABRT. Thus, if you send ABRT to yourself in a program which +// uses ExceptionHandler, you need to use tgkill to direct it to the current +// thread. +// +// The signal flow looks like this: +// +// SignalHandler (uses a global stack of ExceptionHandler objects to find +// | one to handle the signal. If the first rejects it, try +// | the second etc...) +// V +// HandleSignal ----------------------------| (clones a new process which +// | | shares an address space with +// (wait for cloned | the crashed process. This +// process) | allows us to ptrace the crashed +// | | process) +// V V +// (set signal handler to ThreadEntry (static function to bounce +// SIG_DFL and rethrow, | back into the object) +// killing the crashed | +// process) V +// DoDump (writes minidump) +// | +// V +// sys_exit +// + +// This code is a little fragmented. Different functions of the ExceptionHandler +// class run in a number of different contexts. Some of them run in a normal +// context and are easy to code, others run in a compromised context and the +// restrictions at the top of minidump_writer.cc apply: no libc and use the +// alternative malloc. Each function should have comment above it detailing the +// context which it runs in. + +#include "client/linux/handler/exception_handler.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#include "common/linux/linux_libc_support.h" +#include "common/memory.h" +#include "client/linux/log/log.h" +#include "client/linux/minidump_writer/linux_dumper.h" +#include "client/linux/minidump_writer/minidump_writer.h" +#include "common/linux/eintr_wrapper.h" +#include "third_party/lss/linux_syscall_support.h" + +#if defined(__ANDROID__) +#include "linux/sched.h" +#endif + +#ifndef PR_SET_PTRACER +#define PR_SET_PTRACER 0x59616d61 +#endif + +// A wrapper for the tgkill syscall: send a signal to a specific thread. +static int tgkill(pid_t tgid, pid_t tid, int sig) { + return syscall(__NR_tgkill, tgid, tid, sig); + return 0; +} + +namespace google_breakpad { + +namespace { +// The list of signals which we consider to be crashes. The default action for +// all these signals must be Core (see man 7 signal) because we rethrow the +// signal after handling it and expect that it'll be fatal. +const int kExceptionSignals[] = { + SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGBUS +}; +const int kNumHandledSignals = + sizeof(kExceptionSignals) / sizeof(kExceptionSignals[0]); +struct sigaction old_handlers[kNumHandledSignals]; +bool handlers_installed = false; + +// InstallAlternateStackLocked will store the newly installed stack in new_stack +// and (if it exists) the previously installed stack in old_stack. +stack_t old_stack; +stack_t new_stack; +bool stack_installed = false; + +// Create an alternative stack to run the signal handlers on. This is done since +// the signal might have been caused by a stack overflow. +// Runs before crashing: normal context. +void InstallAlternateStackLocked() { + if (stack_installed) + return; + + memset(&old_stack, 0, sizeof(old_stack)); + memset(&new_stack, 0, sizeof(new_stack)); + + // SIGSTKSZ may be too small to prevent the signal handlers from overrunning + // the alternative stack. Ensure that the size of the alternative stack is + // large enough. + static const unsigned kSigStackSize = std::max(8192, SIGSTKSZ); + + // Only set an alternative stack if there isn't already one, or if the current + // one is too small. + if (sys_sigaltstack(NULL, &old_stack) == -1 || !old_stack.ss_sp || + old_stack.ss_size < kSigStackSize) { + new_stack.ss_sp = malloc(kSigStackSize); + new_stack.ss_size = kSigStackSize; + + if (sys_sigaltstack(&new_stack, NULL) == -1) { + free(new_stack.ss_sp); + return; + } + stack_installed = true; + } +} + +// Runs before crashing: normal context. +void RestoreAlternateStackLocked() { + if (!stack_installed) + return; + + stack_t current_stack; + if (sys_sigaltstack(NULL, ¤t_stack) == -1) + return; + + // Only restore the old_stack if the current alternative stack is the one + // installed by the call to InstallAlternateStackLocked. + if (current_stack.ss_sp == new_stack.ss_sp) { + if (old_stack.ss_sp) { + if (sys_sigaltstack(&old_stack, NULL) == -1) + return; + } else { + stack_t disable_stack; + disable_stack.ss_flags = SS_DISABLE; + if (sys_sigaltstack(&disable_stack, NULL) == -1) + return; + } + } + + free(new_stack.ss_sp); + stack_installed = false; +} + +} // namespace + +// We can stack multiple exception handlers. In that case, this is the global +// which holds the stack. +std::vector* ExceptionHandler::handler_stack_ = NULL; +pthread_mutex_t ExceptionHandler::handler_stack_mutex_ = + PTHREAD_MUTEX_INITIALIZER; + +// Runs before crashing: normal context. +ExceptionHandler::ExceptionHandler(const MinidumpDescriptor& descriptor, + FilterCallback filter, + MinidumpCallback callback, + void* callback_context, + bool install_handler, + const int server_fd) + : filter_(filter), + callback_(callback), + callback_context_(callback_context), + minidump_descriptor_(descriptor), + crash_handler_(NULL) { + if (server_fd >= 0) + crash_generation_client_.reset(CrashGenerationClient::TryCreate(server_fd)); + + if (!IsOutOfProcess() && !minidump_descriptor_.IsFD()) + minidump_descriptor_.UpdatePath(); + + pthread_mutex_lock(&handler_stack_mutex_); + if (!handler_stack_) + handler_stack_ = new std::vector; + if (install_handler) { + InstallAlternateStackLocked(); + InstallHandlersLocked(); + } + handler_stack_->push_back(this); + pthread_mutex_unlock(&handler_stack_mutex_); +} + +// Runs before crashing: normal context. +ExceptionHandler::~ExceptionHandler() { + pthread_mutex_lock(&handler_stack_mutex_); + std::vector::iterator handler = + std::find(handler_stack_->begin(), handler_stack_->end(), this); + handler_stack_->erase(handler); + if (handler_stack_->empty()) { + RestoreAlternateStackLocked(); + RestoreHandlersLocked(); + } + pthread_mutex_unlock(&handler_stack_mutex_); +} + +// Runs before crashing: normal context. +// static +bool ExceptionHandler::InstallHandlersLocked() { + if (handlers_installed) + return false; + + // Fail if unable to store all the old handlers. + for (int i = 0; i < kNumHandledSignals; ++i) { + if (sigaction(kExceptionSignals[i], NULL, &old_handlers[i]) == -1) + return false; + } + + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + sigemptyset(&sa.sa_mask); + + // Mask all exception signals when we're handling one of them. + for (int i = 0; i < kNumHandledSignals; ++i) + sigaddset(&sa.sa_mask, kExceptionSignals[i]); + + sa.sa_sigaction = SignalHandler; + sa.sa_flags = SA_ONSTACK | SA_SIGINFO; + + for (int i = 0; i < kNumHandledSignals; ++i) { + if (sigaction(kExceptionSignals[i], &sa, NULL) == -1) { + // At this point it is impractical to back out changes, and so failure to + // install a signal is intentionally ignored. + } + } + handlers_installed = true; + return true; +} + +// This function runs in a compromised context: see the top of the file. +// Runs on the crashing thread. +// static +void ExceptionHandler::RestoreHandlersLocked() { + if (!handlers_installed) + return; + + for (int i = 0; i < kNumHandledSignals; ++i) { + if (sigaction(kExceptionSignals[i], &old_handlers[i], NULL) == -1) { + signal(kExceptionSignals[i], SIG_DFL); + } + } + handlers_installed = false; +} + +// void ExceptionHandler::set_crash_handler(HandlerCallback callback) { +// crash_handler_ = callback; +// } + +// This function runs in a compromised context: see the top of the file. +// Runs on the crashing thread. +// static +void ExceptionHandler::SignalHandler(int sig, siginfo_t* info, void* uc) { + // All the exception signals are blocked at this point. + pthread_mutex_lock(&handler_stack_mutex_); + + // Sometimes, Breakpad runs inside a process where some other buggy code + // saves and restores signal handlers temporarily with 'signal' + // instead of 'sigaction'. This loses the SA_SIGINFO flag associated + // with this function. As a consequence, the values of 'info' and 'uc' + // become totally bogus, generally inducing a crash. + // + // The following code tries to detect this case. When it does, it + // resets the signal handlers with sigaction + SA_SIGINFO and returns. + // This forces the signal to be thrown again, but this time the kernel + // will call the function with the right arguments. + struct sigaction cur_handler; + if (sigaction(sig, NULL, &cur_handler) == 0 && + (cur_handler.sa_flags & SA_SIGINFO) == 0) { + // Reset signal handler with the right flags. + sigemptyset(&cur_handler.sa_mask); + sigaddset(&cur_handler.sa_mask, sig); + + cur_handler.sa_sigaction = SignalHandler; + cur_handler.sa_flags = SA_ONSTACK | SA_SIGINFO; + + if (sigaction(sig, &cur_handler, NULL) == -1) { + // When resetting the handler fails, try to reset the + // default one to avoid an infinite loop here. + signal(sig, SIG_DFL); + } + pthread_mutex_unlock(&handler_stack_mutex_); + return; + } + + bool handled = false; + for (int i = handler_stack_->size() - 1; !handled && i >= 0; --i) { + handled = (*handler_stack_)[i]->HandleSignal(sig, info, uc); + } + + // Upon returning from this signal handler, sig will become unmasked and then + // it will be retriggered. If one of the ExceptionHandlers handled it + // successfully, restore the default handler. Otherwise, restore the + // previously installed handler. Then, when the signal is retriggered, it will + // be delivered to the appropriate handler. + if (handled) { + signal(sig, SIG_DFL); + } else { + RestoreHandlersLocked(); + } + + pthread_mutex_unlock(&handler_stack_mutex_); + + if (info->si_pid) { + // This signal was triggered by somebody sending us the signal with kill(). + // In order to retrigger it, we have to queue a new signal by calling + // kill() ourselves. + if (tgkill(getpid(), syscall(__NR_gettid), sig) < 0) { + // If we failed to kill ourselves (e.g. because a sandbox disallows us + // to do so), we instead resort to terminating our process. This will + // result in an incorrect exit code. + _exit(1); + } + } else { + // This was a synchronous signal triggered by a hard fault (e.g. SIGSEGV). + // No need to reissue the signal. It will automatically trigger again, + // when we return from the signal handler. + } +} + +struct ThreadArgument { + pid_t pid; // the crashing process + const MinidumpDescriptor* minidump_descriptor; + ExceptionHandler* handler; + const void* context; // a CrashContext structure + size_t context_size; +}; + +// This is the entry function for the cloned process. We are in a compromised +// context here: see the top of the file. +// static +int ExceptionHandler::ThreadEntry(void *arg) { + const ThreadArgument *thread_arg = reinterpret_cast(arg); + + // Block here until the crashing process unblocks us when + // we're allowed to use ptrace + thread_arg->handler->WaitForContinueSignal(); + + return thread_arg->handler->DoDump(thread_arg->pid, thread_arg->context, + thread_arg->context_size) == false; +} + +// This function runs in a compromised context: see the top of the file. +// Runs on the crashing thread. +bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) { + if (filter_ && !filter_(callback_context_)) + return false; + + // Allow ourselves to be dumped if the signal is trusted. + bool signal_trusted = info->si_code > 0; + bool signal_pid_trusted = info->si_code == SI_USER || + info->si_code == SI_TKILL; + if (signal_trusted || (signal_pid_trusted && info->si_pid == getpid())) { + sys_prctl(PR_SET_DUMPABLE, 1); + } + CrashContext context; + memcpy(&context.siginfo, info, sizeof(siginfo_t)); + memcpy(&context.context, uc, sizeof(struct ucontext)); +#if !defined(__ARM_EABI__) + // FP state is not part of user ABI on ARM Linux. + struct ucontext *uc_ptr = (struct ucontext*)uc; + if (uc_ptr->uc_mcontext.fpregs) { + memcpy(&context.float_state, + uc_ptr->uc_mcontext.fpregs, + sizeof(context.float_state)); + } +#endif + context.tid = syscall(__NR_gettid); + if (crash_handler_ != NULL) { + if (crash_handler_(&context, sizeof(context), callback_context_)) { + return true; + } + } + return GenerateDump(&context); +} + +// This is a public interface to HandleSignal that allows the client to +// generate a crash dump. This function may run in a compromised context. +bool ExceptionHandler::SimulateSignalDelivery(int sig) { + siginfo_t siginfo = {}; + // Mimic a trusted signal to allow tracing the process (see + // ExceptionHandler::HandleSignal(). + siginfo.si_code = SI_USER; + siginfo.si_pid = getpid(); + struct ucontext context; + getcontext(&context); + return HandleSignal(sig, &siginfo, &context); +} + +// This function may run in a compromised context: see the top of the file. +bool ExceptionHandler::GenerateDump(CrashContext *context) { + if (IsOutOfProcess()) + return crash_generation_client_->RequestDump(context, sizeof(*context)); + + static const unsigned kChildStackSize = 8000; + PageAllocator allocator; + uint8_t* stack = (uint8_t*) allocator.Alloc(kChildStackSize); + if (!stack) + return false; + // clone() needs the top-most address. (scrub just to be safe) + stack += kChildStackSize; + my_memset(stack - 16, 0, 16); + + ThreadArgument thread_arg; + thread_arg.handler = this; + thread_arg.minidump_descriptor = &minidump_descriptor_; + thread_arg.pid = getpid(); + thread_arg.context = context; + thread_arg.context_size = sizeof(*context); + + // We need to explicitly enable ptrace of parent processes on some + // kernels, but we need to know the PID of the cloned process before we + // can do this. Create a pipe here which we can use to block the + // cloned process after creating it, until we have explicitly enabled ptrace + if(sys_pipe(fdes) == -1) { + // Creating the pipe failed. We'll log an error but carry on anyway, + // as we'll probably still get a useful crash report. All that will happen + // is the write() and read() calls will fail with EBADF + static const char no_pipe_msg[] = "ExceptionHandler::GenerateDump \ + sys_pipe failed:"; + logger::write(no_pipe_msg, sizeof(no_pipe_msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); + } + + const pid_t child = sys_clone( + ThreadEntry, stack, CLONE_FILES | CLONE_FS | CLONE_UNTRACED, + &thread_arg, NULL, NULL, NULL); + + int r, status; + // Allow the child to ptrace us + sys_prctl(PR_SET_PTRACER, child); + SendContinueSignalToChild(); + do { + r = sys_waitpid(child, &status, __WALL); + } while (r == -1 && errno == EINTR); + + sys_close(fdes[0]); + sys_close(fdes[1]); + + if (r == -1) { + static const char msg[] = "ExceptionHandler::GenerateDump waitpid failed:"; + logger::write(msg, sizeof(msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); + } + + bool success = r != -1 && WIFEXITED(status) && WEXITSTATUS(status) == 0; + if (callback_) + success = callback_(minidump_descriptor_, callback_context_, success); + return success; +} + +// This function runs in a compromised context: see the top of the file. +void ExceptionHandler::SendContinueSignalToChild() { + static const char okToContinueMessage = 'a'; + int r; + r = HANDLE_EINTR(sys_write(fdes[1], &okToContinueMessage, sizeof(char))); + if(r == -1) { + static const char msg[] = "ExceptionHandler::SendContinueSignalToChild \ + sys_write failed:"; + logger::write(msg, sizeof(msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); + } +} + +// This function runs in a compromised context: see the top of the file. +// Runs on the cloned process. +void ExceptionHandler::WaitForContinueSignal() { + int r; + char receivedMessage; + r = HANDLE_EINTR(sys_read(fdes[0], &receivedMessage, sizeof(char))); + if(r == -1) { + static const char msg[] = "ExceptionHandler::WaitForContinueSignal \ + sys_read failed:"; + logger::write(msg, sizeof(msg) - 1); + logger::write(strerror(errno), strlen(strerror(errno))); + logger::write("\n", 1); + } +} + +// This function runs in a compromised context: see the top of the file. +// Runs on the cloned process. +bool ExceptionHandler::DoDump(pid_t crashing_process, const void* context, + size_t context_size) { + if (minidump_descriptor_.IsFD()) { + return google_breakpad::WriteMinidump(minidump_descriptor_.fd(), + minidump_descriptor_.size_limit(), + crashing_process, + context, + context_size, + mapping_list_, + app_memory_list_); + } + return google_breakpad::WriteMinidump(minidump_descriptor_.path(), + minidump_descriptor_.size_limit(), + crashing_process, + context, + context_size, + mapping_list_, + app_memory_list_); +} + +// static +bool ExceptionHandler::WriteMinidump(const string& dump_path, + MinidumpCallback callback, + void* callback_context) { + MinidumpDescriptor descriptor(dump_path); + ExceptionHandler eh(descriptor, NULL, callback, callback_context, false, -1); + return eh.WriteMinidump(); +} + +// In order to making using EBP to calculate the desired value for ESP +// a valid operation, ensure that this function is compiled with a +// frame pointer using the following attribute. This attribute +// is supported on GCC but not on clang. +#if defined(__i386__) && defined(__GNUC__) && !defined(__clang__) +__attribute__((optimize("no-omit-frame-pointer"))) +#endif +bool ExceptionHandler::WriteMinidump() { + if (!IsOutOfProcess() && !minidump_descriptor_.IsFD()) { + // Update the path of the minidump so that this can be called multiple times + // and new files are created for each minidump. This is done before the + // generation happens, as clients may want to access the MinidumpDescriptor + // after this call to find the exact path to the minidump file. + minidump_descriptor_.UpdatePath(); + } else if (minidump_descriptor_.IsFD()) { + // Reposition the FD to its beginning and resize it to get rid of the + // previous minidump info. + lseek(minidump_descriptor_.fd(), 0, SEEK_SET); + static_cast(ftruncate(minidump_descriptor_.fd(), 0)); + } + + // Allow this process to be dumped. + sys_prctl(PR_SET_DUMPABLE, 1); + + CrashContext context; + int getcontext_result = getcontext(&context.context); + if (getcontext_result) + return false; + +#if defined(__i386__) + // In CPUFillFromUContext in minidumpwriter.cc the stack pointer is retrieved + // from REG_UESP instead of from REG_ESP. REG_UESP is the user stack pointer + // and it only makes sense when running in kernel mode with a different stack + // pointer. When WriteMiniDump is called during normal processing REG_UESP is + // zero which leads to bad minidump files. + if (!context.context.uc_mcontext.gregs[REG_UESP]) { + // If REG_UESP is set to REG_ESP then that includes the stack space for the + // CrashContext object in this function, which is about 128 KB. Since the + // Linux dumper only records 32 KB of stack this would mean that nothing + // useful would be recorded. A better option is to set REG_UESP to REG_EBP, + // perhaps with a small negative offset in case there is any code that + // objects to them being equal. + context.context.uc_mcontext.gregs[REG_UESP] = + context.context.uc_mcontext.gregs[REG_EBP] - 16; + // The stack saving is based off of REG_ESP so it must be set to match the + // new REG_UESP. + context.context.uc_mcontext.gregs[REG_ESP] = + context.context.uc_mcontext.gregs[REG_UESP]; + } +#endif + +#if !defined(__ARM_EABI__) + // FPU state is not part of ARM EABI ucontext_t. + memcpy(&context.float_state, context.context.uc_mcontext.fpregs, + sizeof(context.float_state)); +#endif + context.tid = sys_gettid(); + + // Add an exception stream to the minidump for better reporting. + memset(&context.siginfo, 0, sizeof(context.siginfo)); + context.siginfo.si_signo = MD_EXCEPTION_CODE_LIN_DUMP_REQUESTED; +#if defined(__i386__) + context.siginfo.si_addr = + reinterpret_cast(context.context.uc_mcontext.gregs[REG_EIP]); +#elif defined(__x86_64__) + context.siginfo.si_addr = + reinterpret_cast(context.context.uc_mcontext.gregs[REG_RIP]); +#elif defined(__arm__) + context.siginfo.si_addr = + reinterpret_cast(context.context.uc_mcontext.arm_pc); +#else +#error "This code has not been ported to your platform yet." +#endif + + return GenerateDump(&context); +} + +void ExceptionHandler::AddMappingInfo(const string& name, + const uint8_t identifier[sizeof(MDGUID)], + uintptr_t start_address, + size_t mapping_size, + size_t file_offset) { + MappingInfo info; + info.start_addr = start_address; + info.size = mapping_size; + info.offset = file_offset; + strncpy(info.name, name.c_str(), sizeof(info.name) - 1); + info.name[sizeof(info.name) - 1] = '\0'; + + MappingEntry mapping; + mapping.first = info; + memcpy(mapping.second, identifier, sizeof(MDGUID)); + mapping_list_.push_back(mapping); +} + +void ExceptionHandler::RegisterAppMemory(void* ptr, size_t length) { + AppMemoryList::iterator iter = + std::find(app_memory_list_.begin(), app_memory_list_.end(), ptr); + if (iter != app_memory_list_.end()) { + // Don't allow registering the same pointer twice. + return; + } + + AppMemory app_memory; + app_memory.ptr = ptr; + app_memory.length = length; + app_memory_list_.push_back(app_memory); +} + +void ExceptionHandler::UnregisterAppMemory(void* ptr) { + AppMemoryList::iterator iter = + std::find(app_memory_list_.begin(), app_memory_list_.end(), ptr); + if (iter != app_memory_list_.end()) { + app_memory_list_.erase(iter); + } +} + +// static +bool ExceptionHandler::WriteMinidumpForChild(pid_t child, + pid_t child_blamed_thread, + const string& dump_path, + MinidumpCallback callback, + void* callback_context) { + // This function is not run in a compromised context. + MinidumpDescriptor descriptor(dump_path); + descriptor.UpdatePath(); + if (!google_breakpad::WriteMinidump(descriptor.path(), + child, + child_blamed_thread)) + return false; + + return callback ? callback(descriptor, callback_context, true) : true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/handler/exception_handler.h b/google-breakpad/src/client/linux/handler/exception_handler.h new file mode 100644 index 0000000..7155419 --- /dev/null +++ b/google-breakpad/src/client/linux/handler/exception_handler.h @@ -0,0 +1,273 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_HANDLER_EXCEPTION_HANDLER_H_ +#define CLIENT_LINUX_HANDLER_EXCEPTION_HANDLER_H_ + +#include +#include + +#include +#include +#include +#include +#include + +#include "client/linux/crash_generation/crash_generation_client.h" +#include "client/linux/handler/minidump_descriptor.h" +#include "client/linux/minidump_writer/minidump_writer.h" +#include "common/scoped_ptr.h" +#include "common/using_std_string.h" +#include "google_breakpad/common/minidump_format.h" + +namespace google_breakpad { + +// ExceptionHandler +// +// ExceptionHandler can write a minidump file when an exception occurs, +// or when WriteMinidump() is called explicitly by your program. +// +// To have the exception handler write minidumps when an uncaught exception +// (crash) occurs, you should create an instance early in the execution +// of your program, and keep it around for the entire time you want to +// have crash handling active (typically, until shutdown). +// (NOTE): There should be only be one this kind of exception handler +// object per process. +// +// If you want to write minidumps without installing the exception handler, +// you can create an ExceptionHandler with install_handler set to false, +// then call WriteMinidump. You can also use this technique if you want to +// use different minidump callbacks for different call sites. +// +// In either case, a callback function is called when a minidump is written, +// which receives the full path or file descriptor of the minidump. The +// caller can collect and write additional application state to that minidump, +// and launch an external crash-reporting application. +// +// Caller should try to make the callbacks as crash-friendly as possible, +// it should avoid use heap memory allocation as much as possible. + +class ExceptionHandler { + public: + // A callback function to run before Breakpad performs any substantial + // processing of an exception. A FilterCallback is called before writing + // a minidump. |context| is the parameter supplied by the user as + // callback_context when the handler was created. + // + // If a FilterCallback returns true, Breakpad will continue processing, + // attempting to write a minidump. If a FilterCallback returns false, + // Breakpad will immediately report the exception as unhandled without + // writing a minidump, allowing another handler the opportunity to handle it. + typedef bool (*FilterCallback)(void *context); + + // A callback function to run after the minidump has been written. + // |descriptor| contains the file descriptor or file path containing the + // minidump. |context| is the parameter supplied by the user as + // callback_context when the handler was created. |succeeded| indicates + // whether a minidump file was successfully written. + // + // If an exception occurred and the callback returns true, Breakpad will + // treat the exception as fully-handled, suppressing any other handlers from + // being notified of the exception. If the callback returns false, Breakpad + // will treat the exception as unhandled, and allow another handler to handle + // it. If there are no other handlers, Breakpad will report the exception to + // the system as unhandled, allowing a debugger or native crash dialog the + // opportunity to handle the exception. Most callback implementations + // should normally return the value of |succeeded|, or when they wish to + // not report an exception of handled, false. Callbacks will rarely want to + // return true directly (unless |succeeded| is true). + typedef bool (*MinidumpCallback)(const MinidumpDescriptor& descriptor, + void* context, + bool succeeded); + + // In certain cases, a user may wish to handle the generation of the minidump + // themselves. In this case, they can install a handler callback which is + // called when a crash has occurred. If this function returns true, no other + // processing of occurs and the process will shortly be crashed. If this + // returns false, the normal processing continues. + typedef bool (*HandlerCallback)(const void* crash_context, + size_t crash_context_size, + void* context); + + // Creates a new ExceptionHandler instance to handle writing minidumps. + // Before writing a minidump, the optional |filter| callback will be called. + // Its return value determines whether or not Breakpad should write a + // minidump. The minidump content will be written to the file path or file + // descriptor from |descriptor|, and the optional |callback| is called after + // writing the dump file, as described above. + // If install_handler is true, then a minidump will be written whenever + // an unhandled exception occurs. If it is false, minidumps will only + // be written when WriteMinidump is called. + // If |server_fd| is valid, the minidump is generated out-of-process. If it + // is -1, in-process generation will always be used. + ExceptionHandler(const MinidumpDescriptor& descriptor, + FilterCallback filter, + MinidumpCallback callback, + void *callback_context, + bool install_handler, + const int server_fd); + ~ExceptionHandler(); + + const MinidumpDescriptor& minidump_descriptor() const { + return minidump_descriptor_; + } + + void set_minidump_descriptor(const MinidumpDescriptor& descriptor) { + minidump_descriptor_ = descriptor; + } + + void set_crash_handler(HandlerCallback callback) { + crash_handler_ = callback; + } + + // Writes a minidump immediately. This can be used to capture the execution + // state independently of a crash. + // Returns true on success. + // If the ExceptionHandler has been created with a path, a new file is + // generated for each minidump. The file path can be retrieved in the + // MinidumpDescriptor passed to the MinidumpCallback or by accessing the + // MinidumpDescriptor directly from the ExceptionHandler (with + // minidump_descriptor()). + // If the ExceptionHandler has been created with a file descriptor, the file + // descriptor is repositioned to its beginning and the previous generated + // minidump is overwritten. + // Note that this method is not supposed to be called from a compromised + // context as it uses the heap. + bool WriteMinidump(); + + // Convenience form of WriteMinidump which does not require an + // ExceptionHandler instance. + static bool WriteMinidump(const string& dump_path, + MinidumpCallback callback, + void* callback_context); + + // Write a minidump of |child| immediately. This can be used to + // capture the execution state of |child| independently of a crash. + // Pass a meaningful |child_blamed_thread| to make that thread in + // the child process the one from which a crash signature is + // extracted. + // + // WARNING: the return of this function *must* happen before + // the code that will eventually reap |child| executes. + // Otherwise there's a pernicious race condition in which |child| + // exits, is reaped, another process created with its pid, then that + // new process dumped. + static bool WriteMinidumpForChild(pid_t child, + pid_t child_blamed_thread, + const string& dump_path, + MinidumpCallback callback, + void* callback_context); + + // This structure is passed to minidump_writer.h:WriteMinidump via an opaque + // blob. It shouldn't be needed in any user code. + struct CrashContext { + siginfo_t siginfo; + pid_t tid; // the crashing thread. + struct ucontext context; +#if !defined(__ARM_EABI__) + // #ifdef this out because FP state is not part of user ABI for Linux ARM. + struct _libc_fpstate float_state; +#endif + }; + + // Returns whether out-of-process dump generation is used or not. + bool IsOutOfProcess() const { + return crash_generation_client_.get() != NULL; + } + + // Add information about a memory mapping. This can be used if + // a custom library loader is used that maps things in a way + // that the linux dumper can't handle by reading the maps file. + void AddMappingInfo(const string& name, + const uint8_t identifier[sizeof(MDGUID)], + uintptr_t start_address, + size_t mapping_size, + size_t file_offset); + + // Register a block of memory of length bytes starting at address ptr + // to be copied to the minidump when a crash happens. + void RegisterAppMemory(void* ptr, size_t length); + + // Unregister a block of memory that was registered with RegisterAppMemory. + void UnregisterAppMemory(void* ptr); + + // Force signal handling for the specified signal. + bool SimulateSignalDelivery(int sig); + private: + // Save the old signal handlers and install new ones. + static bool InstallHandlersLocked(); + // Restore the old signal handlers. + static void RestoreHandlersLocked(); + + void PreresolveSymbols(); + bool GenerateDump(CrashContext *context); + void SendContinueSignalToChild(); + void WaitForContinueSignal(); + + static void SignalHandler(int sig, siginfo_t* info, void* uc); + bool HandleSignal(int sig, siginfo_t* info, void* uc); + static int ThreadEntry(void* arg); + bool DoDump(pid_t crashing_process, const void* context, + size_t context_size); + + const FilterCallback filter_; + const MinidumpCallback callback_; + void* const callback_context_; + + scoped_ptr crash_generation_client_; + + MinidumpDescriptor minidump_descriptor_; + + HandlerCallback crash_handler_; + + // The global exception handler stack. This is need becuase there may exist + // multiple ExceptionHandler instances in a process. Each will have itself + // registered in this stack. + static std::vector *handler_stack_; + static pthread_mutex_t handler_stack_mutex_; + + // We need to explicitly enable ptrace of parent processes on some + // kernels, but we need to know the PID of the cloned process before we + // can do this. We create a pipe which we can use to block the + // cloned process after creating it, until we have explicitly enabled + // ptrace. This is used to store the file descriptors for the pipe + int fdes[2]; + + // Callers can add extra info about mappings for cases where the + // dumper code cannot extract enough information from /proc//maps. + MappingList mapping_list_; + + // Callers can request additional memory regions to be included in + // the dump. + AppMemoryList app_memory_list_; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_HANDLER_EXCEPTION_HANDLER_H_ diff --git a/google-breakpad/src/client/linux/handler/exception_handler_unittest.cc b/google-breakpad/src/client/linux/handler/exception_handler_unittest.cc new file mode 100644 index 0000000..0ba5216 --- /dev/null +++ b/google-breakpad/src/client/linux/handler/exception_handler_unittest.cc @@ -0,0 +1,1147 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "breakpad_googletest_includes.h" +#include "client/linux/handler/exception_handler.h" +#include "client/linux/minidump_writer/minidump_writer.h" +#include "common/linux/eintr_wrapper.h" +#include "common/linux/file_id.h" +#include "common/linux/ignore_ret.h" +#include "common/linux/linux_libc_support.h" +#include "common/tests/auto_tempdir.h" +#include "common/using_std_string.h" +#include "third_party/lss/linux_syscall_support.h" +#include "google_breakpad/processor/minidump.h" + +using namespace google_breakpad; + +namespace { + +// Flush the instruction cache for a given memory range. +// Only required on ARM. +void FlushInstructionCache(const char* memory, uint32_t memory_size) { +#if defined(__arm__) + long begin = reinterpret_cast(memory); + long end = begin + static_cast(memory_size); +# if defined(__ANDROID__) + // Provided by Android's + cacheflush(begin, end, 0); +# elif defined(__linux__) + // GLibc/ARM doesn't provide a wrapper for it, do a direct syscall. +# ifndef __ARM_NR_cacheflush +# define __ARM_NR_cacheflush 0xf0002 +# endif + syscall(__ARM_NR_cacheflush, begin, end, 0); +# else +# error "Your operating system is not supported yet" +# endif +#endif +} + +// Length of a formatted GUID string = +// sizeof(MDGUID) * 2 + 4 (for dashes) + 1 (null terminator) +const int kGUIDStringSize = 37; + +void sigchld_handler(int signo) { } + +int CreateTMPFile(const string& dir, string* path) { + string file = dir + "/exception-handler-unittest.XXXXXX"; + const char* c_file = file.c_str(); + // Copy that string, mkstemp needs a C string it can modify. + char* c_path = strdup(c_file); + const int fd = mkstemp(c_path); + if (fd >= 0) + *path = c_path; + free(c_path); + return fd; +} + +class ExceptionHandlerTest : public ::testing::Test { + protected: + void SetUp() { + // We need to be able to wait for children, so SIGCHLD cannot be SIG_IGN. + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = sigchld_handler; + ASSERT_NE(sigaction(SIGCHLD, &sa, &old_action), -1); + } + + void TearDown() { + sigaction(SIGCHLD, &old_action, NULL); + } + + struct sigaction old_action; +}; + + +void WaitForProcessToTerminate(pid_t process_id, int expected_status) { + int status; + ASSERT_NE(HANDLE_EINTR(waitpid(process_id, &status, 0)), -1); + ASSERT_TRUE(WIFSIGNALED(status)); + ASSERT_EQ(expected_status, WTERMSIG(status)); +} + +// Reads the minidump path sent over the pipe |fd| and sets it in |path|. +void ReadMinidumpPathFromPipe(int fd, string* path) { + struct pollfd pfd; + memset(&pfd, 0, sizeof(pfd)); + pfd.fd = fd; + pfd.events = POLLIN | POLLERR; + + const int r = HANDLE_EINTR(poll(&pfd, 1, 0)); + ASSERT_EQ(1, r); + ASSERT_TRUE(pfd.revents & POLLIN); + + int32_t len; + ASSERT_EQ(static_cast(sizeof(len)), read(fd, &len, sizeof(len))); + ASSERT_LT(len, 2048); + char* filename = static_cast(malloc(len + 1)); + ASSERT_EQ(len, read(fd, filename, len)); + filename[len] = 0; + close(fd); + *path = filename; + free(filename); +} + +} // namespace + +TEST(ExceptionHandlerTest, SimpleWithPath) { + AutoTempDir temp_dir; + ExceptionHandler handler( + MinidumpDescriptor(temp_dir.path()), NULL, NULL, NULL, true, -1); + EXPECT_EQ(temp_dir.path(), handler.minidump_descriptor().directory()); + string temp_subdir = temp_dir.path() + "/subdir"; + handler.set_minidump_descriptor(MinidumpDescriptor(temp_subdir)); + EXPECT_EQ(temp_subdir, handler.minidump_descriptor().directory()); +} + +TEST(ExceptionHandlerTest, SimpleWithFD) { + AutoTempDir temp_dir; + string path; + const int fd = CreateTMPFile(temp_dir.path(), &path); + ExceptionHandler handler(MinidumpDescriptor(fd), NULL, NULL, NULL, true, -1); + close(fd); +} + +static bool DoneCallback(const MinidumpDescriptor& descriptor, + void* context, + bool succeeded) { + if (!succeeded) + return false; + + if (!descriptor.IsFD()) { + int fd = reinterpret_cast(context); + uint32_t len = 0; + len = my_strlen(descriptor.path()); + IGNORE_RET(HANDLE_EINTR(sys_write(fd, &len, sizeof(len)))); + IGNORE_RET(HANDLE_EINTR(sys_write(fd, descriptor.path(), len))); + } + return true; +} + +void ChildCrash(bool use_fd) { + AutoTempDir temp_dir; + int fds[2] = {0}; + int minidump_fd = -1; + string minidump_path; + if (use_fd) { + minidump_fd = CreateTMPFile(temp_dir.path(), &minidump_path); + } else { + ASSERT_NE(pipe(fds), -1); + } + + const pid_t child = fork(); + if (child == 0) { + { + google_breakpad::scoped_ptr handler; + if (use_fd) { + handler.reset(new ExceptionHandler(MinidumpDescriptor(minidump_fd), + NULL, NULL, NULL, true, -1)); + } else { + close(fds[0]); // Close the reading end. + void* fd_param = reinterpret_cast(fds[1]); + handler.reset(new ExceptionHandler(MinidumpDescriptor(temp_dir.path()), + NULL, DoneCallback, fd_param, + true, -1)); + } + // Crash with the exception handler in scope. + *reinterpret_cast(NULL) = 0; + } + } + if (!use_fd) + close(fds[1]); // Close the writting end. + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGSEGV)); + + if (!use_fd) + ASSERT_NO_FATAL_FAILURE(ReadMinidumpPathFromPipe(fds[0], &minidump_path)); + + struct stat st; + ASSERT_EQ(0, stat(minidump_path.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + unlink(minidump_path.c_str()); +} + +TEST(ExceptionHandlerTest, ChildCrashWithPath) { + ASSERT_NO_FATAL_FAILURE(ChildCrash(false)); +} + +TEST(ExceptionHandlerTest, ChildCrashWithFD) { + ASSERT_NO_FATAL_FAILURE(ChildCrash(true)); +} + +static bool DoneCallbackReturnFalse(const MinidumpDescriptor& descriptor, + void* context, + bool succeeded) { + return false; +} + +static bool DoneCallbackReturnTrue(const MinidumpDescriptor& descriptor, + void* context, + bool succeeded) { + return true; +} + +static bool DoneCallbackRaiseSIGKILL(const MinidumpDescriptor& descriptor, + void* context, + bool succeeded) { + raise(SIGKILL); + return true; +} + +static bool FilterCallbackReturnFalse(void* context) { + return false; +} + +static bool FilterCallbackReturnTrue(void* context) { + return true; +} + +// SIGKILL cannot be blocked and a handler cannot be installed for it. In the +// following tests, if the child dies with signal SIGKILL, then the signal was +// redelivered to this handler. If the child dies with SIGSEGV then it wasn't. +static void RaiseSIGKILL(int sig) { + raise(SIGKILL); +} + +static bool InstallRaiseSIGKILL() { + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = RaiseSIGKILL; + return sigaction(SIGSEGV, &sa, NULL) != -1; +} + +static void CrashWithCallbacks(ExceptionHandler::FilterCallback filter, + ExceptionHandler::MinidumpCallback done, + string path) { + ExceptionHandler handler( + MinidumpDescriptor(path), filter, done, NULL, true, -1); + // Crash with the exception handler in scope. + *reinterpret_cast(NULL) = 0; +} + +TEST(ExceptionHandlerTest, RedeliveryOnFilterCallbackFalse) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ASSERT_TRUE(InstallRaiseSIGKILL()); + CrashWithCallbacks(FilterCallbackReturnFalse, NULL, temp_dir.path()); + } + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGKILL)); +} + +TEST(ExceptionHandlerTest, RedeliveryOnDoneCallbackFalse) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ASSERT_TRUE(InstallRaiseSIGKILL()); + CrashWithCallbacks(NULL, DoneCallbackReturnFalse, temp_dir.path()); + } + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGKILL)); +} + +TEST(ExceptionHandlerTest, NoRedeliveryOnDoneCallbackTrue) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ASSERT_TRUE(InstallRaiseSIGKILL()); + CrashWithCallbacks(NULL, DoneCallbackReturnTrue, temp_dir.path()); + } + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGSEGV)); +} + +TEST(ExceptionHandlerTest, NoRedeliveryOnFilterCallbackTrue) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ASSERT_TRUE(InstallRaiseSIGKILL()); + CrashWithCallbacks(FilterCallbackReturnTrue, NULL, temp_dir.path()); + } + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGSEGV)); +} + +TEST(ExceptionHandlerTest, RedeliveryToDefaultHandler) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + CrashWithCallbacks(FilterCallbackReturnFalse, NULL, temp_dir.path()); + } + + // As RaiseSIGKILL wasn't installed, the redelivery should just kill the child + // with SIGSEGV. + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGSEGV)); +} + +// Check that saving and restoring the signal handler with 'signal' +// instead of 'sigaction' doesn't make the Breakpad signal handler +// crash. See comments in ExceptionHandler::SignalHandler for full +// details. +TEST(ExceptionHandlerTest, RedeliveryOnBadSignalHandlerFlag) { + AutoTempDir temp_dir; + const pid_t child = fork(); + if (child == 0) { + // Install the RaiseSIGKILL handler for SIGSEGV. + ASSERT_TRUE(InstallRaiseSIGKILL()); + + // Create a new exception handler, this installs a new SIGSEGV + // handler, after saving the old one. + ExceptionHandler handler( + MinidumpDescriptor(temp_dir.path()), NULL, + DoneCallbackReturnFalse, NULL, true, -1); + + // Install the default SIGSEGV handler, saving the current one. + // Then re-install the current one with 'signal', this loses the + // SA_SIGINFO flag associated with the Breakpad handler. + sighandler_t old_handler = signal(SIGSEGV, SIG_DFL); + ASSERT_NE(reinterpret_cast(old_handler), + reinterpret_cast(SIG_ERR)); + ASSERT_NE(reinterpret_cast(signal(SIGSEGV, old_handler)), + reinterpret_cast(SIG_ERR)); + + // Crash with the exception handler in scope. + *reinterpret_cast(NULL) = 0; + } + // SIGKILL means Breakpad's signal handler didn't crash. + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGKILL)); +} + +TEST(ExceptionHandlerTest, StackedHandlersDeliveredToTop) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ExceptionHandler bottom(MinidumpDescriptor(temp_dir.path()), + NULL, + NULL, + NULL, + true, + -1); + CrashWithCallbacks(NULL, DoneCallbackRaiseSIGKILL, temp_dir.path()); + } + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGKILL)); +} + +TEST(ExceptionHandlerTest, StackedHandlersNotDeliveredToBottom) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ExceptionHandler bottom(MinidumpDescriptor(temp_dir.path()), + NULL, + DoneCallbackRaiseSIGKILL, + NULL, + true, + -1); + CrashWithCallbacks(NULL, NULL, temp_dir.path()); + } + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGSEGV)); +} + +TEST(ExceptionHandlerTest, StackedHandlersFilteredToBottom) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ExceptionHandler bottom(MinidumpDescriptor(temp_dir.path()), + NULL, + DoneCallbackRaiseSIGKILL, + NULL, + true, + -1); + CrashWithCallbacks(FilterCallbackReturnFalse, NULL, temp_dir.path()); + } + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGKILL)); +} + +TEST(ExceptionHandlerTest, StackedHandlersUnhandledToBottom) { + AutoTempDir temp_dir; + + const pid_t child = fork(); + if (child == 0) { + ExceptionHandler bottom(MinidumpDescriptor(temp_dir.path()), + NULL, + DoneCallbackRaiseSIGKILL, + NULL, + true, + -1); + CrashWithCallbacks(NULL, DoneCallbackReturnFalse, temp_dir.path()); + } + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGKILL)); +} + +// Test that memory around the instruction pointer is written +// to the dump as a MinidumpMemoryRegion. +TEST(ExceptionHandlerTest, InstructionPointerMemory) { + AutoTempDir temp_dir; + int fds[2]; + ASSERT_NE(pipe(fds), -1); + + // These are defined here so the parent can use them to check the + // data from the minidump afterwards. + const uint32_t kMemorySize = 256; // bytes + const int kOffset = kMemorySize / 2; + // This crashes with SIGILL on x86/x86-64/arm. + const unsigned char instructions[] = { 0xff, 0xff, 0xff, 0xff }; + + const pid_t child = fork(); + if (child == 0) { + close(fds[0]); + ExceptionHandler handler(MinidumpDescriptor(temp_dir.path()), NULL, + DoneCallback, reinterpret_cast(fds[1]), + true, -1); + // Get some executable memory. + char* memory = + reinterpret_cast(mmap(NULL, + kMemorySize, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANON, + -1, + 0)); + if (!memory) + exit(0); + + // Write some instructions that will crash. Put them in the middle + // of the block of memory, because the minidump should contain 128 + // bytes on either side of the instruction pointer. + memcpy(memory + kOffset, instructions, sizeof(instructions)); + FlushInstructionCache(memory, kMemorySize); + + // Now execute the instructions, which should crash. + typedef void (*void_function)(void); + void_function memory_function = + reinterpret_cast(memory + kOffset); + memory_function(); + } + close(fds[1]); + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGILL)); + + string minidump_path; + ASSERT_NO_FATAL_FAILURE(ReadMinidumpPathFromPipe(fds[0], &minidump_path)); + + struct stat st; + ASSERT_EQ(0, stat(minidump_path.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + + // Read the minidump. Locate the exception record and the + // memory list, and then ensure that there is a memory region + // in the memory list that covers the instruction pointer from + // the exception record. + Minidump minidump(minidump_path); + ASSERT_TRUE(minidump.Read()); + + MinidumpException* exception = minidump.GetException(); + MinidumpMemoryList* memory_list = minidump.GetMemoryList(); + ASSERT_TRUE(exception); + ASSERT_TRUE(memory_list); + ASSERT_LT(0U, memory_list->region_count()); + + MinidumpContext* context = exception->GetContext(); + ASSERT_TRUE(context); + + uint64_t instruction_pointer; + ASSERT_TRUE(context->GetInstructionPointer(&instruction_pointer)); + + MinidumpMemoryRegion* region = + memory_list->GetMemoryRegionForAddress(instruction_pointer); + ASSERT_TRUE(region); + + EXPECT_EQ(kMemorySize, region->GetSize()); + const uint8_t* bytes = region->GetMemory(); + ASSERT_TRUE(bytes); + + uint8_t prefix_bytes[kOffset]; + uint8_t suffix_bytes[kMemorySize - kOffset - sizeof(instructions)]; + memset(prefix_bytes, 0, sizeof(prefix_bytes)); + memset(suffix_bytes, 0, sizeof(suffix_bytes)); + EXPECT_TRUE(memcmp(bytes, prefix_bytes, sizeof(prefix_bytes)) == 0); + EXPECT_TRUE(memcmp(bytes + kOffset, instructions, sizeof(instructions)) == 0); + EXPECT_TRUE(memcmp(bytes + kOffset + sizeof(instructions), + suffix_bytes, sizeof(suffix_bytes)) == 0); + + unlink(minidump_path.c_str()); +} + +// Test that the memory region around the instruction pointer is +// bounded correctly on the low end. +TEST(ExceptionHandlerTest, InstructionPointerMemoryMinBound) { + AutoTempDir temp_dir; + int fds[2]; + ASSERT_NE(pipe(fds), -1); + + // These are defined here so the parent can use them to check the + // data from the minidump afterwards. + const uint32_t kMemorySize = 256; // bytes + const int kOffset = 0; + // This crashes with SIGILL on x86/x86-64/arm. + const unsigned char instructions[] = { 0xff, 0xff, 0xff, 0xff }; + + const pid_t child = fork(); + if (child == 0) { + close(fds[0]); + ExceptionHandler handler(MinidumpDescriptor(temp_dir.path()), NULL, + DoneCallback, reinterpret_cast(fds[1]), + true, -1); + // Get some executable memory. + char* memory = + reinterpret_cast(mmap(NULL, + kMemorySize, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANON, + -1, + 0)); + if (!memory) + exit(0); + + // Write some instructions that will crash. Put them in the middle + // of the block of memory, because the minidump should contain 128 + // bytes on either side of the instruction pointer. + memcpy(memory + kOffset, instructions, sizeof(instructions)); + FlushInstructionCache(memory, kMemorySize); + + // Now execute the instructions, which should crash. + typedef void (*void_function)(void); + void_function memory_function = + reinterpret_cast(memory + kOffset); + memory_function(); + } + close(fds[1]); + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGILL)); + + string minidump_path; + ASSERT_NO_FATAL_FAILURE(ReadMinidumpPathFromPipe(fds[0], &minidump_path)); + + struct stat st; + ASSERT_EQ(0, stat(minidump_path.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + + // Read the minidump. Locate the exception record and the + // memory list, and then ensure that there is a memory region + // in the memory list that covers the instruction pointer from + // the exception record. + Minidump minidump(minidump_path); + ASSERT_TRUE(minidump.Read()); + + MinidumpException* exception = minidump.GetException(); + MinidumpMemoryList* memory_list = minidump.GetMemoryList(); + ASSERT_TRUE(exception); + ASSERT_TRUE(memory_list); + ASSERT_LT(0U, memory_list->region_count()); + + MinidumpContext* context = exception->GetContext(); + ASSERT_TRUE(context); + + uint64_t instruction_pointer; + ASSERT_TRUE(context->GetInstructionPointer(&instruction_pointer)); + + MinidumpMemoryRegion* region = + memory_list->GetMemoryRegionForAddress(instruction_pointer); + ASSERT_TRUE(region); + + EXPECT_EQ(kMemorySize / 2, region->GetSize()); + const uint8_t* bytes = region->GetMemory(); + ASSERT_TRUE(bytes); + + uint8_t suffix_bytes[kMemorySize / 2 - sizeof(instructions)]; + memset(suffix_bytes, 0, sizeof(suffix_bytes)); + EXPECT_TRUE(memcmp(bytes + kOffset, instructions, sizeof(instructions)) == 0); + EXPECT_TRUE(memcmp(bytes + kOffset + sizeof(instructions), + suffix_bytes, sizeof(suffix_bytes)) == 0); + unlink(minidump_path.c_str()); +} + +// Test that the memory region around the instruction pointer is +// bounded correctly on the high end. +TEST(ExceptionHandlerTest, InstructionPointerMemoryMaxBound) { + AutoTempDir temp_dir; + int fds[2]; + ASSERT_NE(pipe(fds), -1); + + // These are defined here so the parent can use them to check the + // data from the minidump afterwards. + // Use 4k here because the OS will hand out a single page even + // if a smaller size is requested, and this test wants to + // test the upper bound of the memory range. + const uint32_t kMemorySize = 4096; // bytes + // This crashes with SIGILL on x86/x86-64/arm. + const unsigned char instructions[] = { 0xff, 0xff, 0xff, 0xff }; + const int kOffset = kMemorySize - sizeof(instructions); + + const pid_t child = fork(); + if (child == 0) { + close(fds[0]); + ExceptionHandler handler(MinidumpDescriptor(temp_dir.path()), NULL, + DoneCallback, reinterpret_cast(fds[1]), + true, -1); + // Get some executable memory. + char* memory = + reinterpret_cast(mmap(NULL, + kMemorySize, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANON, + -1, + 0)); + if (!memory) + exit(0); + + // Write some instructions that will crash. Put them in the middle + // of the block of memory, because the minidump should contain 128 + // bytes on either side of the instruction pointer. + memcpy(memory + kOffset, instructions, sizeof(instructions)); + FlushInstructionCache(memory, kMemorySize); + + // Now execute the instructions, which should crash. + typedef void (*void_function)(void); + void_function memory_function = + reinterpret_cast(memory + kOffset); + memory_function(); + } + close(fds[1]); + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGILL)); + + string minidump_path; + ASSERT_NO_FATAL_FAILURE(ReadMinidumpPathFromPipe(fds[0], &minidump_path)); + + struct stat st; + ASSERT_EQ(0, stat(minidump_path.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + + // Read the minidump. Locate the exception record and the memory list, and + // then ensure that there is a memory region in the memory list that covers + // the instruction pointer from the exception record. + Minidump minidump(minidump_path); + ASSERT_TRUE(minidump.Read()); + + MinidumpException* exception = minidump.GetException(); + MinidumpMemoryList* memory_list = minidump.GetMemoryList(); + ASSERT_TRUE(exception); + ASSERT_TRUE(memory_list); + ASSERT_LT(0U, memory_list->region_count()); + + MinidumpContext* context = exception->GetContext(); + ASSERT_TRUE(context); + + uint64_t instruction_pointer; + ASSERT_TRUE(context->GetInstructionPointer(&instruction_pointer)); + + MinidumpMemoryRegion* region = + memory_list->GetMemoryRegionForAddress(instruction_pointer); + ASSERT_TRUE(region); + + const size_t kPrefixSize = 128; // bytes + EXPECT_EQ(kPrefixSize + sizeof(instructions), region->GetSize()); + const uint8_t* bytes = region->GetMemory(); + ASSERT_TRUE(bytes); + + uint8_t prefix_bytes[kPrefixSize]; + memset(prefix_bytes, 0, sizeof(prefix_bytes)); + EXPECT_TRUE(memcmp(bytes, prefix_bytes, sizeof(prefix_bytes)) == 0); + EXPECT_TRUE(memcmp(bytes + kPrefixSize, + instructions, sizeof(instructions)) == 0); + + unlink(minidump_path.c_str()); +} + +// If AddressSanitizer is used, NULL pointer dereferences generate SIGILL +// (illegal instruction) instead of SIGSEGV (segmentation fault). Also, +// the number of memory regions differs, so there is no point in running +// this test if AddressSanitizer is used. +#ifndef ADDRESS_SANITIZER + +// Ensure that an extra memory block doesn't get added when the instruction +// pointer is not in mapped memory. +TEST(ExceptionHandlerTest, InstructionPointerMemoryNullPointer) { + AutoTempDir temp_dir; + int fds[2]; + ASSERT_NE(pipe(fds), -1); + + const pid_t child = fork(); + if (child == 0) { + close(fds[0]); + ExceptionHandler handler(MinidumpDescriptor(temp_dir.path()), NULL, + DoneCallback, reinterpret_cast(fds[1]), + true, -1); + // Try calling a NULL pointer. + typedef void (*void_function)(void); + void_function memory_function = reinterpret_cast(NULL); + memory_function(); + } + close(fds[1]); + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGSEGV)); + + string minidump_path; + ASSERT_NO_FATAL_FAILURE(ReadMinidumpPathFromPipe(fds[0], &minidump_path)); + + struct stat st; + ASSERT_EQ(0, stat(minidump_path.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + + // Read the minidump. Locate the exception record and the + // memory list, and then ensure that there is a memory region + // in the memory list that covers the instruction pointer from + // the exception record. + Minidump minidump(minidump_path); + ASSERT_TRUE(minidump.Read()); + + MinidumpException* exception = minidump.GetException(); + MinidumpMemoryList* memory_list = minidump.GetMemoryList(); + ASSERT_TRUE(exception); + ASSERT_TRUE(memory_list); + ASSERT_EQ(static_cast(1), memory_list->region_count()); + + unlink(minidump_path.c_str()); +} +#endif // !ADDRESS_SANITIZER + +// Test that anonymous memory maps can be annotated with names and IDs. +TEST(ExceptionHandlerTest, ModuleInfo) { + // These are defined here so the parent can use them to check the + // data from the minidump afterwards. + const uint32_t kMemorySize = sysconf(_SC_PAGESIZE); + const char* kMemoryName = "a fake module"; + const uint8_t kModuleGUID[sizeof(MDGUID)] = { + 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF + }; + char module_identifier_buffer[kGUIDStringSize]; + FileID::ConvertIdentifierToString(kModuleGUID, + module_identifier_buffer, + sizeof(module_identifier_buffer)); + string module_identifier(module_identifier_buffer); + // Strip out dashes + size_t pos; + while ((pos = module_identifier.find('-')) != string::npos) { + module_identifier.erase(pos, 1); + } + // And append a zero, because module IDs include an "age" field + // which is always zero on Linux. + module_identifier += "0"; + + // Get some memory. + char* memory = + reinterpret_cast(mmap(NULL, + kMemorySize, + PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, + -1, + 0)); + const uintptr_t kMemoryAddress = reinterpret_cast(memory); + ASSERT_TRUE(memory); + + AutoTempDir temp_dir; + ExceptionHandler handler( + MinidumpDescriptor(temp_dir.path()), NULL, NULL, NULL, true, -1); + + // Add info about the anonymous memory mapping. + handler.AddMappingInfo(kMemoryName, + kModuleGUID, + kMemoryAddress, + kMemorySize, + 0); + ASSERT_TRUE(handler.WriteMinidump()); + + const MinidumpDescriptor& minidump_desc = handler.minidump_descriptor(); + // Read the minidump. Load the module list, and ensure that the mmap'ed + // |memory| is listed with the given module name and debug ID. + Minidump minidump(minidump_desc.path()); + ASSERT_TRUE(minidump.Read()); + + MinidumpModuleList* module_list = minidump.GetModuleList(); + ASSERT_TRUE(module_list); + const MinidumpModule* module = + module_list->GetModuleForAddress(kMemoryAddress); + ASSERT_TRUE(module); + + EXPECT_EQ(kMemoryAddress, module->base_address()); + EXPECT_EQ(kMemorySize, module->size()); + EXPECT_EQ(kMemoryName, module->code_file()); + EXPECT_EQ(module_identifier, module->debug_identifier()); + + unlink(minidump_desc.path()); +} + +static const unsigned kControlMsgSize = + CMSG_SPACE(sizeof(int)) + CMSG_SPACE(sizeof(struct ucred)); + +static bool +CrashHandler(const void* crash_context, size_t crash_context_size, + void* context) { + const int fd = (intptr_t) context; + int fds[2]; + if (pipe(fds) == -1) { + // There doesn't seem to be any way to reliably handle + // this failure without the parent process hanging + // At least make sure that this process doesn't access + // unexpected file descriptors + fds[0] = -1; + fds[1] = -1; + } + struct kernel_msghdr msg = {0}; + struct kernel_iovec iov; + iov.iov_base = const_cast(crash_context); + iov.iov_len = crash_context_size; + msg.msg_iov = &iov; + msg.msg_iovlen = 1; + char cmsg[kControlMsgSize]; + memset(cmsg, 0, kControlMsgSize); + msg.msg_control = cmsg; + msg.msg_controllen = sizeof(cmsg); + + struct cmsghdr *hdr = CMSG_FIRSTHDR(&msg); + hdr->cmsg_level = SOL_SOCKET; + hdr->cmsg_type = SCM_RIGHTS; + hdr->cmsg_len = CMSG_LEN(sizeof(int)); + *((int*) CMSG_DATA(hdr)) = fds[1]; + hdr = CMSG_NXTHDR((struct msghdr*) &msg, hdr); + hdr->cmsg_level = SOL_SOCKET; + hdr->cmsg_type = SCM_CREDENTIALS; + hdr->cmsg_len = CMSG_LEN(sizeof(struct ucred)); + struct ucred *cred = reinterpret_cast(CMSG_DATA(hdr)); + cred->uid = getuid(); + cred->gid = getgid(); + cred->pid = getpid(); + + ssize_t ret = HANDLE_EINTR(sys_sendmsg(fd, &msg, 0)); + sys_close(fds[1]); + if (ret <= 0) + return false; + + char b; + IGNORE_RET(HANDLE_EINTR(sys_read(fds[0], &b, 1))); + + return true; +} + +TEST(ExceptionHandlerTest, ExternalDumper) { + int fds[2]; + ASSERT_NE(socketpair(AF_UNIX, SOCK_DGRAM, 0, fds), -1); + static const int on = 1; + setsockopt(fds[0], SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); + setsockopt(fds[1], SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); + + const pid_t child = fork(); + if (child == 0) { + close(fds[0]); + ExceptionHandler handler(MinidumpDescriptor("/tmp1"), NULL, NULL, + reinterpret_cast(fds[1]), true, -1); + handler.set_crash_handler(CrashHandler); + *reinterpret_cast(NULL) = 0; + } + close(fds[1]); + struct msghdr msg = {0}; + struct iovec iov; + static const unsigned kCrashContextSize = + sizeof(ExceptionHandler::CrashContext); + char context[kCrashContextSize]; + char control[kControlMsgSize]; + iov.iov_base = context; + iov.iov_len = kCrashContextSize; + msg.msg_iov = &iov; + msg.msg_iovlen = 1; + msg.msg_control = control; + msg.msg_controllen = kControlMsgSize; + + const ssize_t n = HANDLE_EINTR(recvmsg(fds[0], &msg, 0)); + ASSERT_EQ(static_cast(kCrashContextSize), n); + ASSERT_EQ(kControlMsgSize, msg.msg_controllen); + ASSERT_EQ(static_cast(0), msg.msg_flags); + ASSERT_EQ(0, close(fds[0])); + + pid_t crashing_pid = -1; + int signal_fd = -1; + for (struct cmsghdr *hdr = CMSG_FIRSTHDR(&msg); hdr; + hdr = CMSG_NXTHDR(&msg, hdr)) { + if (hdr->cmsg_level != SOL_SOCKET) + continue; + if (hdr->cmsg_type == SCM_RIGHTS) { + const unsigned len = hdr->cmsg_len - + (((uint8_t*)CMSG_DATA(hdr)) - (uint8_t*)hdr); + ASSERT_EQ(sizeof(int), len); + signal_fd = *(reinterpret_cast(CMSG_DATA(hdr))); + } else if (hdr->cmsg_type == SCM_CREDENTIALS) { + const struct ucred *cred = + reinterpret_cast(CMSG_DATA(hdr)); + crashing_pid = cred->pid; + } + } + + ASSERT_NE(crashing_pid, -1); + ASSERT_NE(signal_fd, -1); + + AutoTempDir temp_dir; + string templ = temp_dir.path() + "/exception-handler-unittest"; + ASSERT_TRUE(WriteMinidump(templ.c_str(), crashing_pid, context, + kCrashContextSize)); + static const char b = 0; + ASSERT_EQ(1, (HANDLE_EINTR(write(signal_fd, &b, 1)))); + ASSERT_EQ(0, close(signal_fd)); + + ASSERT_NO_FATAL_FAILURE(WaitForProcessToTerminate(child, SIGSEGV)); + + struct stat st; + ASSERT_EQ(0, stat(templ.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + unlink(templ.c_str()); +} + +TEST(ExceptionHandlerTest, WriteMinidumpExceptionStream) { + AutoTempDir temp_dir; + ExceptionHandler handler(MinidumpDescriptor(temp_dir.path()), NULL, NULL, + NULL, false, -1); + ASSERT_TRUE(handler.WriteMinidump()); + + string minidump_path = handler.minidump_descriptor().path(); + + // Read the minidump and check the exception stream. + Minidump minidump(minidump_path); + ASSERT_TRUE(minidump.Read()); + MinidumpException* exception = minidump.GetException(); + ASSERT_TRUE(exception); + const MDRawExceptionStream* raw = exception->exception(); + ASSERT_TRUE(raw); + EXPECT_EQ(MD_EXCEPTION_CODE_LIN_DUMP_REQUESTED, + raw->exception_record.exception_code); +} + +TEST(ExceptionHandlerTest, GenerateMultipleDumpsWithFD) { + AutoTempDir temp_dir; + string path; + const int fd = CreateTMPFile(temp_dir.path(), &path); + ExceptionHandler handler(MinidumpDescriptor(fd), NULL, NULL, NULL, false, -1); + ASSERT_TRUE(handler.WriteMinidump()); + // Check by the size of the data written to the FD that a minidump was + // generated. + off_t size = lseek(fd, 0, SEEK_CUR); + ASSERT_GT(size, 0); + + // Generate another minidump. + ASSERT_TRUE(handler.WriteMinidump()); + size = lseek(fd, 0, SEEK_CUR); + ASSERT_GT(size, 0); +} + +TEST(ExceptionHandlerTest, GenerateMultipleDumpsWithPath) { + AutoTempDir temp_dir; + ExceptionHandler handler(MinidumpDescriptor(temp_dir.path()), NULL, NULL, + NULL, false, -1); + ASSERT_TRUE(handler.WriteMinidump()); + + const MinidumpDescriptor& minidump_1 = handler.minidump_descriptor(); + struct stat st; + ASSERT_EQ(0, stat(minidump_1.path(), &st)); + ASSERT_GT(st.st_size, 0); + string minidump_1_path(minidump_1.path()); + // Check it is a valid minidump. + Minidump minidump1(minidump_1_path); + ASSERT_TRUE(minidump1.Read()); + unlink(minidump_1.path()); + + // Generate another minidump, it should go to a different file. + ASSERT_TRUE(handler.WriteMinidump()); + const MinidumpDescriptor& minidump_2 = handler.minidump_descriptor(); + ASSERT_EQ(0, stat(minidump_2.path(), &st)); + ASSERT_GT(st.st_size, 0); + string minidump_2_path(minidump_2.path()); + // Check it is a valid minidump. + Minidump minidump2(minidump_2_path); + ASSERT_TRUE(minidump2.Read()); + unlink(minidump_2.path()); + + // 2 distinct files should be produced. + ASSERT_STRNE(minidump_1_path.c_str(), minidump_2_path.c_str()); +} + +// Test that an additional memory region can be added to the minidump. +TEST(ExceptionHandlerTest, AdditionalMemory) { + const uint32_t kMemorySize = sysconf(_SC_PAGESIZE); + + // Get some heap memory. + uint8_t* memory = new uint8_t[kMemorySize]; + const uintptr_t kMemoryAddress = reinterpret_cast(memory); + ASSERT_TRUE(memory); + + // Stick some data into the memory so the contents can be verified. + for (uint32_t i = 0; i < kMemorySize; ++i) { + memory[i] = i % 255; + } + + AutoTempDir temp_dir; + ExceptionHandler handler( + MinidumpDescriptor(temp_dir.path()), NULL, NULL, NULL, true, -1); + + // Add the memory region to the list of memory to be included. + handler.RegisterAppMemory(memory, kMemorySize); + handler.WriteMinidump(); + + const MinidumpDescriptor& minidump_desc = handler.minidump_descriptor(); + + // Read the minidump. Ensure that the memory region is present + Minidump minidump(minidump_desc.path()); + ASSERT_TRUE(minidump.Read()); + + MinidumpMemoryList* dump_memory_list = minidump.GetMemoryList(); + ASSERT_TRUE(dump_memory_list); + const MinidumpMemoryRegion* region = + dump_memory_list->GetMemoryRegionForAddress(kMemoryAddress); + ASSERT_TRUE(region); + + EXPECT_EQ(kMemoryAddress, region->GetBase()); + EXPECT_EQ(kMemorySize, region->GetSize()); + + // Verify memory contents. + EXPECT_EQ(0, memcmp(region->GetMemory(), memory, kMemorySize)); + + delete[] memory; +} + +// Test that a memory region that was previously registered +// can be unregistered. +TEST(ExceptionHandlerTest, AdditionalMemoryRemove) { + const uint32_t kMemorySize = sysconf(_SC_PAGESIZE); + + // Get some heap memory. + uint8_t* memory = new uint8_t[kMemorySize]; + const uintptr_t kMemoryAddress = reinterpret_cast(memory); + ASSERT_TRUE(memory); + + AutoTempDir temp_dir; + ExceptionHandler handler( + MinidumpDescriptor(temp_dir.path()), NULL, NULL, NULL, true, -1); + + // Add the memory region to the list of memory to be included. + handler.RegisterAppMemory(memory, kMemorySize); + + // ...and then remove it + handler.UnregisterAppMemory(memory); + handler.WriteMinidump(); + + const MinidumpDescriptor& minidump_desc = handler.minidump_descriptor(); + + // Read the minidump. Ensure that the memory region is not present. + Minidump minidump(minidump_desc.path()); + ASSERT_TRUE(minidump.Read()); + + MinidumpMemoryList* dump_memory_list = minidump.GetMemoryList(); + ASSERT_TRUE(dump_memory_list); + const MinidumpMemoryRegion* region = + dump_memory_list->GetMemoryRegionForAddress(kMemoryAddress); + EXPECT_FALSE(region); + + delete[] memory; +} + +static bool SimpleCallback(const MinidumpDescriptor& descriptor, + void* context, + bool succeeded) { + string* filename = reinterpret_cast(context); + *filename = descriptor.path(); + return true; +} + +TEST(ExceptionHandlerTest, WriteMinidumpForChild) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + char b; + HANDLE_EINTR(read(fds[0], &b, sizeof(b))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + AutoTempDir temp_dir; + string minidump_filename; + ASSERT_TRUE( + ExceptionHandler::WriteMinidumpForChild(child, child, + temp_dir.path(), SimpleCallback, + (void*)&minidump_filename)); + + Minidump minidump(minidump_filename); + ASSERT_TRUE(minidump.Read()); + // Check that the crashing thread is the main thread of |child| + MinidumpException* exception = minidump.GetException(); + ASSERT_TRUE(exception); + uint32_t thread_id; + ASSERT_TRUE(exception->GetThreadID(&thread_id)); + EXPECT_EQ(child, static_cast(thread_id)); + + const MDRawExceptionStream* raw = exception->exception(); + ASSERT_TRUE(raw); + EXPECT_EQ(MD_EXCEPTION_CODE_LIN_DUMP_REQUESTED, + raw->exception_record.exception_code); + + close(fds[1]); + unlink(minidump_filename.c_str()); +} diff --git a/google-breakpad/src/client/linux/handler/minidump_descriptor.cc b/google-breakpad/src/client/linux/handler/minidump_descriptor.cc new file mode 100644 index 0000000..c4618ad --- /dev/null +++ b/google-breakpad/src/client/linux/handler/minidump_descriptor.cc @@ -0,0 +1,79 @@ +// Copyright (c) 2012 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include + +#include "client/linux/handler/minidump_descriptor.h" + +#include "common/linux/guid_creator.h" + +namespace google_breakpad { + +MinidumpDescriptor::MinidumpDescriptor(const MinidumpDescriptor& descriptor) + : fd_(descriptor.fd_), + directory_(descriptor.directory_), + c_path_(NULL), + size_limit_(descriptor.size_limit_) { + // The copy constructor is not allowed to be called on a MinidumpDescriptor + // with a valid path_, as getting its c_path_ would require the heap which + // can cause problems in compromised environments. + assert(descriptor.path_.empty()); +} + +MinidumpDescriptor& MinidumpDescriptor::operator=( + const MinidumpDescriptor& descriptor) { + assert(descriptor.path_.empty()); + + fd_ = descriptor.fd_; + directory_ = descriptor.directory_; + path_.clear(); + if (c_path_) { + // This descriptor already had a path set, so generate a new one. + c_path_ = NULL; + UpdatePath(); + } + size_limit_ = descriptor.size_limit_; + return *this; +} + +void MinidumpDescriptor::UpdatePath() { + assert(fd_ == -1 && !directory_.empty()); + + GUID guid; + char guid_str[kGUIDStringLength + 1]; + if (!CreateGUID(&guid) || !GUIDToString(&guid, guid_str, sizeof(guid_str))) { + assert(false); + } + + path_.clear(); + path_ = directory_ + "/" + guid_str + ".dmp"; + c_path_ = path_.c_str(); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/handler/minidump_descriptor.h b/google-breakpad/src/client/linux/handler/minidump_descriptor.h new file mode 100644 index 0000000..9ffe622 --- /dev/null +++ b/google-breakpad/src/client/linux/handler/minidump_descriptor.h @@ -0,0 +1,100 @@ +// Copyright (c) 2012 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_HANDLER_MINIDUMP_DESCRIPTOR_H_ +#define CLIENT_LINUX_HANDLER_MINIDUMP_DESCRIPTOR_H_ + +#include +#include + +#include + +#include "common/using_std_string.h" + +// The MinidumpDescriptor describes how to access a minidump: it can contain +// either a file descriptor or a path. +// Note that when using files, it is created with the path to a directory. +// The actual path where the minidump is generated is created by this class. +namespace google_breakpad { + +class MinidumpDescriptor { + public: + MinidumpDescriptor() : fd_(-1), size_limit_(-1) {} + + explicit MinidumpDescriptor(const string& directory) + : fd_(-1), + directory_(directory), + c_path_(NULL), + size_limit_(-1) { + assert(!directory.empty()); + } + + explicit MinidumpDescriptor(int fd) + : fd_(fd), + c_path_(NULL), + size_limit_(-1) { + assert(fd != -1); + } + + explicit MinidumpDescriptor(const MinidumpDescriptor& descriptor); + MinidumpDescriptor& operator=(const MinidumpDescriptor& descriptor); + + bool IsFD() const { return fd_ != -1; } + + int fd() const { return fd_; } + + string directory() const { return directory_; } + + const char* path() const { return c_path_; } + + // Updates the path so it is unique. + // Should be called from a normal context: this methods uses the heap. + void UpdatePath(); + + off_t size_limit() const { return size_limit_; } + void set_size_limit(off_t limit) { size_limit_ = limit; } + + private: + // The file descriptor where the minidump is generated. + int fd_; + + // The directory where the minidump should be generated. + string directory_; + // The full path to the generated minidump. + string path_; + // The C string of |path_|. Precomputed so it can be access from a compromised + // context. + const char* c_path_; + + off_t size_limit_; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_HANDLER_MINIDUMP_DESCRIPTOR_H_ diff --git a/google-breakpad/src/client/linux/log/log.cc b/google-breakpad/src/client/linux/log/log.cc new file mode 100644 index 0000000..1863591 --- /dev/null +++ b/google-breakpad/src/client/linux/log/log.cc @@ -0,0 +1,48 @@ +// Copyright (c) 2012 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "client/linux/log/log.h" + +#if defined(__ANDROID__) +#include +#else +#include "third_party/lss/linux_syscall_support.h" +#endif + +namespace logger { + +int write(const char* buf, size_t nbytes) { +#if defined(__ANDROID__) + return __android_log_write(ANDROID_LOG_WARN, "google-breakpad", buf); +#else + return sys_write(2, buf, nbytes); +#endif +} + +} // namespace logger diff --git a/google-breakpad/src/client/linux/log/log.h b/google-breakpad/src/client/linux/log/log.h new file mode 100644 index 0000000..a50e30d --- /dev/null +++ b/google-breakpad/src/client/linux/log/log.h @@ -0,0 +1,41 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_LOG_LOG_H_ +#define CLIENT_LINUX_LOG_LOG_H_ + +#include + +namespace logger { + +int write(const char* buf, size_t nbytes); + +} // namespace logger + +#endif // CLIENT_LINUX_LOG_LOG_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/cpu_set.h b/google-breakpad/src/client/linux/minidump_writer/cpu_set.h new file mode 100644 index 0000000..1cca9aa --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/cpu_set.h @@ -0,0 +1,144 @@ +// Copyright (c) 2013, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_CPU_SET_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_CPU_SET_H_ + +#include +#include +#include + +#include "common/linux/linux_libc_support.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +// Helper class used to model a set of CPUs, as read from sysfs +// files like /sys/devices/system/cpu/present +// See See http://www.kernel.org/doc/Documentation/cputopology.txt +class CpuSet { +public: + // The maximum number of supported CPUs. + static const size_t kMaxCpus = 1024; + + CpuSet() { + my_memset(mask_, 0, sizeof(mask_)); + } + + // Parse a sysfs file to extract the corresponding CPU set. + bool ParseSysFile(int fd) { + char buffer[512]; + int ret = sys_read(fd, buffer, sizeof(buffer)-1); + if (ret < 0) + return false; + + buffer[ret] = '\0'; + + // Expected format: comma-separated list of items, where each + // item can be a decimal integer, or two decimal integers separated + // by a dash. + // E.g.: + // 0 + // 0,1,2,3 + // 0-3 + // 1,10-23 + const char* p = buffer; + const char* p_end = p + ret; + while (p < p_end) { + // Skip leading space, if any + while (p < p_end && my_isspace(*p)) + p++; + + // Find start and size of current item. + const char* item = p; + size_t item_len = static_cast(p_end - p); + const char* item_next = + static_cast(my_memchr(p, ',', item_len)); + if (item_next != NULL) { + p = item_next + 1; + item_len = static_cast(item_next - item); + } else { + p = p_end; + item_next = p_end; + } + + // Ignore trailing spaces. + while (item_next > item && my_isspace(item_next[-1])) + item_next--; + + // skip empty items. + if (item_next == item) + continue; + + // read first decimal value. + uintptr_t start = 0; + const char* next = my_read_decimal_ptr(&start, item); + uintptr_t end = start; + if (*next == '-') + my_read_decimal_ptr(&end, next+1); + + while (start <= end) + SetBit(start++); + } + return true; + } + + // Intersect this CPU set with another one. + void IntersectWith(const CpuSet& other) { + for (size_t nn = 0; nn < kMaskWordCount; ++nn) + mask_[nn] &= other.mask_[nn]; + } + + // Return the number of CPUs in this set. + int GetCount() { + int result = 0; + for (size_t nn = 0; nn < kMaskWordCount; ++nn) { + result += __builtin_popcount(mask_[nn]); + } + return result; + } + +private: + void SetBit(uintptr_t index) { + size_t nn = static_cast(index); + if (nn < kMaxCpus) + mask_[nn / kMaskWordBits] |= (1U << (nn % kMaskWordBits)); + } + + typedef uint32_t MaskWordType; + static const size_t kMaskWordBits = 8*sizeof(MaskWordType); + static const size_t kMaskWordCount = + (kMaxCpus + kMaskWordBits - 1) / kMaskWordBits; + + MaskWordType mask_[kMaskWordCount]; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_MINIDUMP_WRITER_CPU_SET_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/cpu_set_unittest.cc b/google-breakpad/src/client/linux/minidump_writer/cpu_set_unittest.cc new file mode 100644 index 0000000..6c0fa43 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/cpu_set_unittest.cc @@ -0,0 +1,165 @@ +// Copyright (c) 2013, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include +#include +#include +#include + +#include "breakpad_googletest_includes.h" +#include "client/linux/minidump_writer/cpu_set.h" +#include "common/linux/eintr_wrapper.h" +#include "common/tests/auto_testfile.h" + +using namespace google_breakpad; + +namespace { + +typedef testing::Test CpuSetTest; + +// Helper class to write test text file to a temporary file and return +// its file descriptor. +class ScopedTestFile : public AutoTestFile { +public: + explicit ScopedTestFile(const char* text) + : AutoTestFile("cpu_set", text) { + } +}; + +} + +TEST(CpuSetTest, EmptyCount) { + CpuSet set; + ASSERT_EQ(0, set.GetCount()); +} + +TEST(CpuSetTest, OneCpu) { + ScopedTestFile file("10"); + ASSERT_TRUE(file.IsOk()); + + CpuSet set; + ASSERT_TRUE(set.ParseSysFile(file.GetFd())); + ASSERT_EQ(1, set.GetCount()); +} + +TEST(CpuSetTest, OneCpuTerminated) { + ScopedTestFile file("10\n"); + ASSERT_TRUE(file.IsOk()); + + CpuSet set; + ASSERT_TRUE(set.ParseSysFile(file.GetFd())); + ASSERT_EQ(1, set.GetCount()); +} + +TEST(CpuSetTest, TwoCpusWithComma) { + ScopedTestFile file("1,10"); + ASSERT_TRUE(file.IsOk()); + + CpuSet set; + ASSERT_TRUE(set.ParseSysFile(file.GetFd())); + ASSERT_EQ(2, set.GetCount()); +} + +TEST(CpuSetTest, TwoCpusWithRange) { + ScopedTestFile file("1-2"); + ASSERT_TRUE(file.IsOk()); + + CpuSet set; + ASSERT_TRUE(set.ParseSysFile(file.GetFd())); + ASSERT_EQ(2, set.GetCount()); +} + +TEST(CpuSetTest, TenCpusWithRange) { + ScopedTestFile file("9-18"); + ASSERT_TRUE(file.IsOk()); + + CpuSet set; + ASSERT_TRUE(set.ParseSysFile(file.GetFd())); + ASSERT_EQ(10, set.GetCount()); +} + +TEST(CpuSetTest, MultiItems) { + ScopedTestFile file("0, 2-4, 128"); + ASSERT_TRUE(file.IsOk()); + + CpuSet set; + ASSERT_TRUE(set.ParseSysFile(file.GetFd())); + ASSERT_EQ(5, set.GetCount()); +} + +TEST(CpuSetTest, IntersectWith) { + ScopedTestFile file1("9-19"); + ASSERT_TRUE(file1.IsOk()); + CpuSet set1; + ASSERT_TRUE(set1.ParseSysFile(file1.GetFd())); + ASSERT_EQ(11, set1.GetCount()); + + ScopedTestFile file2("16-24"); + ASSERT_TRUE(file2.IsOk()); + CpuSet set2; + ASSERT_TRUE(set2.ParseSysFile(file2.GetFd())); + ASSERT_EQ(9, set2.GetCount()); + + set1.IntersectWith(set2); + ASSERT_EQ(4, set1.GetCount()); + ASSERT_EQ(9, set2.GetCount()); +} + +TEST(CpuSetTest, SelfIntersection) { + ScopedTestFile file1("9-19"); + ASSERT_TRUE(file1.IsOk()); + CpuSet set1; + ASSERT_TRUE(set1.ParseSysFile(file1.GetFd())); + ASSERT_EQ(11, set1.GetCount()); + + set1.IntersectWith(set1); + ASSERT_EQ(11, set1.GetCount()); +} + +TEST(CpuSetTest, EmptyIntersection) { + ScopedTestFile file1("0-19"); + ASSERT_TRUE(file1.IsOk()); + CpuSet set1; + ASSERT_TRUE(set1.ParseSysFile(file1.GetFd())); + ASSERT_EQ(20, set1.GetCount()); + + ScopedTestFile file2("20-39"); + ASSERT_TRUE(file2.IsOk()); + CpuSet set2; + ASSERT_TRUE(set2.ParseSysFile(file2.GetFd())); + ASSERT_EQ(20, set2.GetCount()); + + set1.IntersectWith(set2); + ASSERT_EQ(0, set1.GetCount()); + + ASSERT_EQ(20, set2.GetCount()); +} + diff --git a/google-breakpad/src/client/linux/minidump_writer/directory_reader.h b/google-breakpad/src/client/linux/minidump_writer/directory_reader.h new file mode 100644 index 0000000..a4bde18 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/directory_reader.h @@ -0,0 +1,106 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_DIRECTORY_READER_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_DIRECTORY_READER_H_ + +#include +#include +#include +#include +#include +#include + +#include "common/linux/linux_libc_support.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +// A class for enumerating a directory without using diropen/readdir or other +// functions which may allocate memory. +class DirectoryReader { + public: + DirectoryReader(int fd) + : fd_(fd), + buf_used_(0) { + } + + // Return the next entry from the directory + // name: (output) the NUL terminated entry name + // + // Returns true iff successful (false on EOF). + // + // After calling this, one must call |PopEntry| otherwise you'll get the same + // entry over and over. + bool GetNextEntry(const char** name) { + struct kernel_dirent* const dent = + reinterpret_cast(buf_); + + if (buf_used_ == 0) { + // need to read more entries. + const int n = sys_getdents(fd_, dent, sizeof(buf_)); + if (n < 0) { + return false; + } else if (n == 0) { + hit_eof_ = true; + } else { + buf_used_ += n; + } + } + + if (buf_used_ == 0 && hit_eof_) + return false; + + assert(buf_used_ > 0); + + *name = dent->d_name; + return true; + } + + void PopEntry() { + if (!buf_used_) + return; + + const struct kernel_dirent* const dent = + reinterpret_cast(buf_); + + buf_used_ -= dent->d_reclen; + my_memmove(buf_, buf_ + dent->d_reclen, buf_used_); + } + + private: + const int fd_; + bool hit_eof_; + unsigned buf_used_; + uint8_t buf_[sizeof(struct kernel_dirent) + NAME_MAX + 1]; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_MINIDUMP_WRITER_DIRECTORY_READER_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/directory_reader_unittest.cc b/google-breakpad/src/client/linux/minidump_writer/directory_reader_unittest.cc new file mode 100644 index 0000000..326f9e3 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/directory_reader_unittest.cc @@ -0,0 +1,78 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include + +#include +#include +#include + +#include "client/linux/minidump_writer/directory_reader.h" +#include "common/using_std_string.h" +#include "breakpad_googletest_includes.h" + +using namespace google_breakpad; + +namespace { +typedef testing::Test DirectoryReaderTest; +} + +TEST(DirectoryReaderTest, CompareResults) { + std::set dent_set; + + DIR *const dir = opendir("/proc/self"); + ASSERT_TRUE(dir != NULL); + + struct dirent* dent; + while ((dent = readdir(dir))) + dent_set.insert(dent->d_name); + + closedir(dir); + + const int fd = open("/proc/self", O_DIRECTORY | O_RDONLY); + ASSERT_GE(fd, 0); + + DirectoryReader dir_reader(fd); + unsigned seen = 0; + + const char* name; + while (dir_reader.GetNextEntry(&name)) { + ASSERT_TRUE(dent_set.find(name) != dent_set.end()); + seen++; + dir_reader.PopEntry(); + } + + ASSERT_TRUE(dent_set.find("status") != dent_set.end()); + ASSERT_TRUE(dent_set.find("stat") != dent_set.end()); + ASSERT_TRUE(dent_set.find("cmdline") != dent_set.end()); + + ASSERT_EQ(dent_set.size(), seen); + close(fd); +} diff --git a/google-breakpad/src/client/linux/minidump_writer/line_reader.h b/google-breakpad/src/client/linux/minidump_writer/line_reader.h new file mode 100644 index 0000000..779cfeb --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/line_reader.h @@ -0,0 +1,131 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_LINE_READER_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_LINE_READER_H_ + +#include +#include +#include + +#include "common/linux/linux_libc_support.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +// A class for reading a file, line by line, without using fopen/fgets or other +// functions which may allocate memory. +class LineReader { + public: + LineReader(int fd) + : fd_(fd), + hit_eof_(false), + buf_used_(0) { + } + + // The maximum length of a line. + static const size_t kMaxLineLen = 512; + + // Return the next line from the file. + // line: (output) a pointer to the start of the line. The line is NUL + // terminated. + // len: (output) the length of the line (not inc the NUL byte) + // + // Returns true iff successful (false on EOF). + // + // One must call |PopLine| after this function, otherwise you'll continue to + // get the same line over and over. + bool GetNextLine(const char **line, unsigned *len) { + for (;;) { + if (buf_used_ == 0 && hit_eof_) + return false; + + for (unsigned i = 0; i < buf_used_; ++i) { + if (buf_[i] == '\n' || buf_[i] == 0) { + buf_[i] = 0; + *len = i; + *line = buf_; + return true; + } + } + + if (buf_used_ == sizeof(buf_)) { + // we scanned the whole buffer and didn't find an end-of-line marker. + // This line is too long to process. + return false; + } + + // We didn't find any end-of-line terminators in the buffer. However, if + // this is the last line in the file it might not have one: + if (hit_eof_) { + assert(buf_used_); + // There's room for the NUL because of the buf_used_ == sizeof(buf_) + // check above. + buf_[buf_used_] = 0; + *len = buf_used_; + buf_used_ += 1; // since we appended the NUL. + *line = buf_; + return true; + } + + // Otherwise, we should pull in more data from the file + const ssize_t n = sys_read(fd_, buf_ + buf_used_, + sizeof(buf_) - buf_used_); + if (n < 0) { + return false; + } else if (n == 0) { + hit_eof_ = true; + } else { + buf_used_ += n; + } + + // At this point, we have either set the hit_eof_ flag, or we have more + // data to process... + } + } + + void PopLine(unsigned len) { + // len doesn't include the NUL byte at the end. + + assert(buf_used_ >= len + 1); + buf_used_ -= len + 1; + my_memmove(buf_, buf_ + len + 1, buf_used_); + } + + private: + const int fd_; + + bool hit_eof_; + unsigned buf_used_; + char buf_[kMaxLineLen]; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_MINIDUMP_WRITER_LINE_READER_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/line_reader_unittest.cc b/google-breakpad/src/client/linux/minidump_writer/line_reader_unittest.cc new file mode 100644 index 0000000..928626e --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/line_reader_unittest.cc @@ -0,0 +1,170 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include + +#include "client/linux/minidump_writer/line_reader.h" +#include "breakpad_googletest_includes.h" +#include "common/linux/eintr_wrapper.h" +#include "common/tests/auto_testfile.h" + +using namespace google_breakpad; + +namespace { + +typedef testing::Test LineReaderTest; + +class ScopedTestFile : public AutoTestFile { +public: + explicit ScopedTestFile(const char* text) + : AutoTestFile("line_reader", text) { + } + + ScopedTestFile(const char* text, size_t text_len) + : AutoTestFile("line_reader", text, text_len) { + } +}; + +} + +TEST(LineReaderTest, EmptyFile) { + ScopedTestFile file(""); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, OneLineTerminated) { + ScopedTestFile file("a\n"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned int len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned int)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, OneLine) { + ScopedTestFile file("a"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, TwoLinesTerminated) { + ScopedTestFile file("a\nb\n"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('b', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, TwoLines) { + ScopedTestFile file("a\nb"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('b', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, MaxLength) { + char l[LineReader::kMaxLineLen-1]; + memset(l, 'a', sizeof(l)); + ScopedTestFile file(l, sizeof(l)); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ(sizeof(l), len); + ASSERT_TRUE(memcmp(l, line, sizeof(l)) == 0); + ASSERT_EQ('\0', line[len]); +} + +TEST(LineReaderTest, TooLong) { + // Note: this writes kMaxLineLen 'a' chars in the test file. + char l[LineReader::kMaxLineLen]; + memset(l, 'a', sizeof(l)); + ScopedTestFile file(l, sizeof(l)); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc b/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc new file mode 100644 index 0000000..47cc26c --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc @@ -0,0 +1,233 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_core_dumper.cc: Implement google_breakpad::LinuxCoreDumper. +// See linux_core_dumper.h for details. + +#include "client/linux/minidump_writer/linux_core_dumper.h" + +#include +#include +#include +#include +#include +#include + +#include "common/linux/linux_libc_support.h" + +namespace google_breakpad { + +LinuxCoreDumper::LinuxCoreDumper(pid_t pid, + const char* core_path, + const char* procfs_path) + : LinuxDumper(pid), + core_path_(core_path), + procfs_path_(procfs_path), + thread_infos_(&allocator_, 8) { + assert(core_path_); +} + +bool LinuxCoreDumper::BuildProcPath(char* path, pid_t pid, + const char* node) const { + if (!path || !node) + return false; + + size_t node_len = my_strlen(node); + if (node_len == 0) + return false; + + size_t procfs_path_len = my_strlen(procfs_path_); + size_t total_length = procfs_path_len + 1 + node_len; + if (total_length >= NAME_MAX) + return false; + + memcpy(path, procfs_path_, procfs_path_len); + path[procfs_path_len] = '/'; + memcpy(path + procfs_path_len + 1, node, node_len); + path[total_length] = '\0'; + return true; +} + +void LinuxCoreDumper::CopyFromProcess(void* dest, pid_t child, + const void* src, size_t length) { + ElfCoreDump::Addr virtual_address = reinterpret_cast(src); + // TODO(benchan): Investigate whether the data to be copied could span + // across multiple segments in the core dump file. ElfCoreDump::CopyData + // and this method do not handle that case yet. + if (!core_.CopyData(dest, virtual_address, length)) { + // If the data segment is not found in the core dump, fill the result + // with marker characters. + memset(dest, 0xab, length); + } +} + +bool LinuxCoreDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) { + if (index >= thread_infos_.size()) + return false; + + *info = thread_infos_[index]; + const uint8_t* stack_pointer; +#if defined(__i386) + memcpy(&stack_pointer, &info->regs.esp, sizeof(info->regs.esp)); +#elif defined(__x86_64) + memcpy(&stack_pointer, &info->regs.rsp, sizeof(info->regs.rsp)); +#elif defined(__ARM_EABI__) + memcpy(&stack_pointer, &info->regs.ARM_sp, sizeof(info->regs.ARM_sp)); +#else +#error "This code hasn't been ported to your platform yet." +#endif + info->stack_pointer = reinterpret_cast(stack_pointer); + return true; +} + +bool LinuxCoreDumper::IsPostMortem() const { + return true; +} + +bool LinuxCoreDumper::ThreadsSuspend() { + return true; +} + +bool LinuxCoreDumper::ThreadsResume() { + return true; +} + +bool LinuxCoreDumper::EnumerateThreads() { + if (!mapped_core_file_.Map(core_path_)) { + fprintf(stderr, "Could not map core dump file into memory\n"); + return false; + } + + core_.SetContent(mapped_core_file_.content()); + if (!core_.IsValid()) { + fprintf(stderr, "Invalid core dump file\n"); + return false; + } + + ElfCoreDump::Note note = core_.GetFirstNote(); + if (!note.IsValid()) { + fprintf(stderr, "PT_NOTE section not found\n"); + return false; + } + + bool first_thread = true; + do { + ElfCoreDump::Word type = note.GetType(); + MemoryRange name = note.GetName(); + MemoryRange description = note.GetDescription(); + + if (type == 0 || name.IsEmpty() || description.IsEmpty()) { + fprintf(stderr, "Could not found a valid PT_NOTE.\n"); + return false; + } + + // Based on write_note_info() in linux/kernel/fs/binfmt_elf.c, notes are + // ordered as follows (NT_PRXFPREG and NT_386_TLS are i386 specific): + // Thread Name Type + // ------------------------------------------------------------------- + // 1st thread CORE NT_PRSTATUS + // process-wide CORE NT_PRPSINFO + // process-wide CORE NT_AUXV + // 1st thread CORE NT_FPREGSET + // 1st thread LINUX NT_PRXFPREG + // 1st thread LINUX NT_386_TLS + // + // 2nd thread CORE NT_PRSTATUS + // 2nd thread CORE NT_FPREGSET + // 2nd thread LINUX NT_PRXFPREG + // 2nd thread LINUX NT_386_TLS + // + // 3rd thread CORE NT_PRSTATUS + // 3rd thread CORE NT_FPREGSET + // 3rd thread LINUX NT_PRXFPREG + // 3rd thread LINUX NT_386_TLS + // + // The following code only works if notes are ordered as expected. + switch (type) { + case NT_PRSTATUS: { + if (description.length() != sizeof(elf_prstatus)) { + fprintf(stderr, "Found NT_PRSTATUS descriptor of unexpected size\n"); + return false; + } + + const elf_prstatus* status = + reinterpret_cast(description.data()); + pid_t pid = status->pr_pid; + ThreadInfo info; + memset(&info, 0, sizeof(ThreadInfo)); + info.tgid = status->pr_pgrp; + info.ppid = status->pr_ppid; + memcpy(&info.regs, status->pr_reg, sizeof(info.regs)); + if (first_thread) { + crash_thread_ = pid; + crash_signal_ = status->pr_info.si_signo; + } + first_thread = false; + threads_.push_back(pid); + thread_infos_.push_back(info); + break; + } +#if defined(__i386) || defined(__x86_64) + case NT_FPREGSET: { + if (thread_infos_.empty()) + return false; + + ThreadInfo* info = &thread_infos_.back(); + if (description.length() != sizeof(info->fpregs)) { + fprintf(stderr, "Found NT_FPREGSET descriptor of unexpected size\n"); + return false; + } + + memcpy(&info->fpregs, description.data(), sizeof(info->fpregs)); + break; + } +#endif +#if defined(__i386) + case NT_PRXFPREG: { + if (thread_infos_.empty()) + return false; + + ThreadInfo* info = &thread_infos_.back(); + if (description.length() != sizeof(info->fpxregs)) { + fprintf(stderr, "Found NT_PRXFPREG descriptor of unexpected size\n"); + return false; + } + + memcpy(&info->fpxregs, description.data(), sizeof(info->fpxregs)); + break; + } +#endif + } + note = note.GetNextNote(); + } while (note.IsValid()); + + return true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper.h b/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper.h new file mode 100644 index 0000000..edb9e73 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper.h @@ -0,0 +1,122 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_core_dumper.h: Define the google_breakpad::LinuxCoreDumper +// class, which is derived from google_breakpad::LinuxDumper to extract +// information from a crashed process via its core dump and proc files. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_LINUX_CORE_DUMPER_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_LINUX_CORE_DUMPER_H_ + +#include "client/linux/minidump_writer/linux_dumper.h" +#include "common/linux/elf_core_dump.h" +#include "common/linux/memory_mapped_file.h" + +namespace google_breakpad { + +class LinuxCoreDumper : public LinuxDumper { + public: + // Constructs a dumper for extracting information of a given process + // with a process ID of |pid| via its core dump file at |core_path| and + // its proc files at |procfs_path|. If |procfs_path| is a copy of + // /proc/, it should contain the following files: + // auxv, cmdline, environ, exe, maps, status + LinuxCoreDumper(pid_t pid, const char* core_path, const char* procfs_path); + + // Implements LinuxDumper::BuildProcPath(). + // Builds a proc path for a certain pid for a node (/proc//). + // |path| is a character array of at least NAME_MAX bytes to return the + // result.|node| is the final node without any slashes. Return true on + // success. + // + // As this dumper performs a post-mortem dump and makes use of a copy + // of the proc files of the crashed process, this derived method does + // not actually make use of |pid| and always returns a subpath of + // |procfs_path_| regardless of whether |pid| corresponds to the main + // process or a thread of the process, i.e. assuming both the main process + // and its threads have the following proc files with the same content: + // auxv, cmdline, environ, exe, maps, status + virtual bool BuildProcPath(char* path, pid_t pid, const char* node) const; + + // Implements LinuxDumper::CopyFromProcess(). + // Copies content of |length| bytes from a given process |child|, + // starting from |src|, into |dest|. This method extracts the content + // the core dump and fills |dest| with a sequence of marker bytes + // if the expected data is not found in the core dump. + virtual void CopyFromProcess(void* dest, pid_t child, const void* src, + size_t length); + + // Implements LinuxDumper::GetThreadInfoByIndex(). + // Reads information about the |index|-th thread of |threads_|. + // Returns true on success. One must have called |ThreadsSuspend| first. + virtual bool GetThreadInfoByIndex(size_t index, ThreadInfo* info); + + // Implements LinuxDumper::IsPostMortem(). + // Always returns true to indicate that this dumper performs a + // post-mortem dump of a crashed process via a core dump file. + virtual bool IsPostMortem() const; + + // Implements LinuxDumper::ThreadsSuspend(). + // As the dumper performs a post-mortem dump via a core dump file, + // there is no threads to suspend. This method does nothing and + // always returns true. + virtual bool ThreadsSuspend(); + + // Implements LinuxDumper::ThreadsResume(). + // As the dumper performs a post-mortem dump via a core dump file, + // there is no threads to resume. This method does nothing and + // always returns true. + virtual bool ThreadsResume(); + + protected: + // Implements LinuxDumper::EnumerateThreads(). + // Enumerates all threads of the given process into |threads_|. + virtual bool EnumerateThreads(); + + private: + // Path of the core dump file. + const char* core_path_; + + // Path of the directory containing the proc files of the given process, + // which is usually a copy of /proc/. + const char* procfs_path_; + + // Memory-mapped core dump file at |core_path_|. + MemoryMappedFile mapped_core_file_; + + // Content of the core dump file. + ElfCoreDump core_; + + // Thread info found in the core dump file. + wasteful_vector thread_infos_; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_HANDLER_LINUX_CORE_DUMPER_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper_unittest.cc b/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper_unittest.cc new file mode 100644 index 0000000..7aef4c0 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_core_dumper_unittest.cc @@ -0,0 +1,113 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_core_dumper_unittest.cc: +// Unit tests for google_breakpad::LinuxCoreDumoer. + +#include + +#include "breakpad_googletest_includes.h" +#include "client/linux/minidump_writer/linux_core_dumper.h" +#include "common/linux/tests/crash_generator.h" +#include "common/using_std_string.h" + +using namespace google_breakpad; + +TEST(LinuxCoreDumperTest, BuildProcPath) { + const pid_t pid = getpid(); + const char procfs_path[] = "/procfs_copy"; + LinuxCoreDumper dumper(getpid(), "core_file", procfs_path); + + char maps_path[NAME_MAX] = ""; + char maps_path_expected[NAME_MAX]; + snprintf(maps_path_expected, sizeof(maps_path_expected), + "%s/maps", procfs_path); + EXPECT_TRUE(dumper.BuildProcPath(maps_path, pid, "maps")); + EXPECT_STREQ(maps_path_expected, maps_path); + + EXPECT_FALSE(dumper.BuildProcPath(NULL, pid, "maps")); + EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, "")); + EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, NULL)); + + char long_node[NAME_MAX]; + size_t long_node_len = NAME_MAX - strlen(procfs_path) - 1; + memset(long_node, 'a', long_node_len); + long_node[long_node_len] = '\0'; + EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, long_node)); +} + +TEST(LinuxCoreDumperTest, VerifyDumpWithMultipleThreads) { + CrashGenerator crash_generator; + if (!crash_generator.HasDefaultCorePattern()) { + fprintf(stderr, "LinuxCoreDumperTest.VerifyDumpWithMultipleThreads test " + "is skipped due to non-default core pattern\n"); + return; + } + + const unsigned kNumOfThreads = 3; + const unsigned kCrashThread = 1; + const int kCrashSignal = SIGABRT; + pid_t child_pid; + // TODO(benchan): Revert to use ASSERT_TRUE once the flakiness in + // CrashGenerator is identified and fixed. + if (!crash_generator.CreateChildCrash(kNumOfThreads, kCrashThread, + kCrashSignal, &child_pid)) { + fprintf(stderr, "LinuxCoreDumperTest.VerifyDumpWithMultipleThreads test " + "is skipped due to no core dump generated\n"); + return; + } + + const string core_file = crash_generator.GetCoreFilePath(); + const string procfs_path = crash_generator.GetDirectoryOfProcFilesCopy(); + LinuxCoreDumper dumper(child_pid, core_file.c_str(), procfs_path.c_str()); + EXPECT_TRUE(dumper.Init()); + + EXPECT_TRUE(dumper.IsPostMortem()); + + // These are no-ops and should always return true. + EXPECT_TRUE(dumper.ThreadsSuspend()); + EXPECT_TRUE(dumper.ThreadsResume()); + + // LinuxCoreDumper cannot determine the crash address and thus it always + // sets the crash address to 0. + EXPECT_EQ(0U, dumper.crash_address()); + EXPECT_EQ(kCrashSignal, dumper.crash_signal()); + EXPECT_EQ(crash_generator.GetThreadId(kCrashThread), + dumper.crash_thread()); + + EXPECT_EQ(kNumOfThreads, dumper.threads().size()); + for (unsigned i = 0; i < kNumOfThreads; ++i) { + ThreadInfo info; + EXPECT_TRUE(dumper.GetThreadInfoByIndex(i, &info)); + const void* stack; + size_t stack_len; + EXPECT_TRUE(dumper.GetStackInfo(&stack, &stack_len, info.stack_pointer)); + EXPECT_EQ(getpid(), info.ppid); + } +} diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_dumper.cc b/google-breakpad/src/client/linux/minidump_writer/linux_dumper.cc new file mode 100644 index 0000000..6a75ba9 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_dumper.cc @@ -0,0 +1,335 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_dumper.cc: Implement google_breakpad::LinuxDumper. +// See linux_dumper.h for details. + +// This code deals with the mechanics of getting information about a crashed +// process. Since this code may run in a compromised address space, the same +// rules apply as detailed at the top of minidump_writer.h: no libc calls and +// use the alternative allocator. + +#include "client/linux/minidump_writer/linux_dumper.h" + +#include +#include +#include +#include +#include + +#include "client/linux/minidump_writer/line_reader.h" +#include "common/linux/file_id.h" +#include "common/linux/linux_libc_support.h" +#include "common/linux/memory_mapped_file.h" +#include "common/linux/safe_readlink.h" +#include "third_party/lss/linux_syscall_support.h" + +static const char kMappedFileUnsafePrefix[] = "/dev/"; +static const char kDeletedSuffix[] = " (deleted)"; + +inline static bool IsMappedFileOpenUnsafe( + const google_breakpad::MappingInfo& mapping) { + // It is unsafe to attempt to open a mapped file that lives under /dev, + // because the semantics of the open may be driver-specific so we'd risk + // hanging the crash dumper. And a file in /dev/ almost certainly has no + // ELF file identifier anyways. + return my_strncmp(mapping.name, + kMappedFileUnsafePrefix, + sizeof(kMappedFileUnsafePrefix) - 1) == 0; +} + +namespace google_breakpad { + +// All interesting auvx entry types are below AT_SYSINFO_EHDR +#define AT_MAX AT_SYSINFO_EHDR + +LinuxDumper::LinuxDumper(pid_t pid) + : pid_(pid), + crash_address_(0), + crash_signal_(0), + crash_thread_(0), + threads_(&allocator_, 8), + mappings_(&allocator_), + auxv_(&allocator_, AT_MAX + 1) { +} + +LinuxDumper::~LinuxDumper() { +} + +bool LinuxDumper::Init() { + return ReadAuxv() && EnumerateThreads() && EnumerateMappings(); +} + +bool +LinuxDumper::ElfFileIdentifierForMapping(const MappingInfo& mapping, + bool member, + unsigned int mapping_id, + uint8_t identifier[sizeof(MDGUID)]) +{ + assert(!member || mapping_id < mappings_.size()); + my_memset(identifier, 0, sizeof(MDGUID)); + if (IsMappedFileOpenUnsafe(mapping)) + return false; + + // Special-case linux-gate because it's not a real file. + if (my_strcmp(mapping.name, kLinuxGateLibraryName) == 0) { + void* linux_gate = NULL; + if (pid_ == sys_getpid()) { + linux_gate = reinterpret_cast(mapping.start_addr); + } else { + linux_gate = allocator_.Alloc(mapping.size); + CopyFromProcess(linux_gate, pid_, + reinterpret_cast(mapping.start_addr), + mapping.size); + } + return FileID::ElfFileIdentifierFromMappedFile(linux_gate, identifier); + } + + char filename[NAME_MAX]; + size_t filename_len = my_strlen(mapping.name); + assert(filename_len < NAME_MAX); + if (filename_len >= NAME_MAX) + return false; + my_memcpy(filename, mapping.name, filename_len); + filename[filename_len] = '\0'; + bool filename_modified = HandleDeletedFileInMapping(filename); + + MemoryMappedFile mapped_file(filename); + if (!mapped_file.data()) // Should probably check if size >= ElfW(Ehdr)? + return false; + + bool success = + FileID::ElfFileIdentifierFromMappedFile(mapped_file.data(), identifier); + if (success && member && filename_modified) { + mappings_[mapping_id]->name[filename_len - + sizeof(kDeletedSuffix) + 1] = '\0'; + } + + return success; +} + +bool LinuxDumper::ReadAuxv() { + char auxv_path[NAME_MAX]; + if (!BuildProcPath(auxv_path, pid_, "auxv")) { + return false; + } + + int fd = sys_open(auxv_path, O_RDONLY, 0); + if (fd < 0) { + return false; + } + + elf_aux_entry one_aux_entry; + bool res = false; + while (sys_read(fd, + &one_aux_entry, + sizeof(elf_aux_entry)) == sizeof(elf_aux_entry) && + one_aux_entry.a_type != AT_NULL) { + if (one_aux_entry.a_type <= AT_MAX) { + auxv_[one_aux_entry.a_type] = one_aux_entry.a_un.a_val; + res = true; + } + } + sys_close(fd); + return res; +} + +bool LinuxDumper::EnumerateMappings() { + char maps_path[NAME_MAX]; + if (!BuildProcPath(maps_path, pid_, "maps")) + return false; + + // linux_gate_loc is the beginning of the kernel's mapping of + // linux-gate.so in the process. It doesn't actually show up in the + // maps list as a filename, but it can be found using the AT_SYSINFO_EHDR + // aux vector entry, which gives the information necessary to special + // case its entry when creating the list of mappings. + // See http://www.trilithium.com/johan/2005/08/linux-gate/ for more + // information. + const void* linux_gate_loc = + reinterpret_cast(auxv_[AT_SYSINFO_EHDR]); + // Although the initial executable is usually the first mapping, it's not + // guaranteed (see http://crosbug.com/25355); therefore, try to use the + // actual entry point to find the mapping. + const void* entry_point_loc = reinterpret_cast(auxv_[AT_ENTRY]); + + const int fd = sys_open(maps_path, O_RDONLY, 0); + if (fd < 0) + return false; + LineReader* const line_reader = new(allocator_) LineReader(fd); + + const char* line; + unsigned line_len; + while (line_reader->GetNextLine(&line, &line_len)) { + uintptr_t start_addr, end_addr, offset; + + const char* i1 = my_read_hex_ptr(&start_addr, line); + if (*i1 == '-') { + const char* i2 = my_read_hex_ptr(&end_addr, i1 + 1); + if (*i2 == ' ') { + const char* i3 = my_read_hex_ptr(&offset, i2 + 6 /* skip ' rwxp ' */); + if (*i3 == ' ') { + const char* name = NULL; + // Only copy name if the name is a valid path name, or if + // it's the VDSO image. + if (((name = my_strchr(line, '/')) == NULL) && + linux_gate_loc && + reinterpret_cast(start_addr) == linux_gate_loc) { + name = kLinuxGateLibraryName; + offset = 0; + } + // Merge adjacent mappings with the same name into one module, + // assuming they're a single library mapped by the dynamic linker + if (name && !mappings_.empty()) { + MappingInfo* module = mappings_.back(); + if ((start_addr == module->start_addr + module->size) && + (my_strlen(name) == my_strlen(module->name)) && + (my_strncmp(name, module->name, my_strlen(name)) == 0)) { + module->size = end_addr - module->start_addr; + line_reader->PopLine(line_len); + continue; + } + } + MappingInfo* const module = new(allocator_) MappingInfo; + my_memset(module, 0, sizeof(MappingInfo)); + module->start_addr = start_addr; + module->size = end_addr - start_addr; + module->offset = offset; + if (name != NULL) { + const unsigned l = my_strlen(name); + if (l < sizeof(module->name)) + my_memcpy(module->name, name, l); + } + // If this is the entry-point mapping, and it's not already the + // first one, then we need to make it be first. This is because + // the minidump format assumes the first module is the one that + // corresponds to the main executable (as codified in + // processor/minidump.cc:MinidumpModuleList::GetMainModule()). + if (entry_point_loc && + (entry_point_loc >= + reinterpret_cast(module->start_addr)) && + (entry_point_loc < + reinterpret_cast(module->start_addr+module->size)) && + !mappings_.empty()) { + // push the module onto the front of the list. + mappings_.resize(mappings_.size() + 1); + for (size_t idx = mappings_.size() - 1; idx > 0; idx--) + mappings_[idx] = mappings_[idx - 1]; + mappings_[0] = module; + } else { + mappings_.push_back(module); + } + } + } + } + line_reader->PopLine(line_len); + } + + sys_close(fd); + + return !mappings_.empty(); +} + +// Get information about the stack, given the stack pointer. We don't try to +// walk the stack since we might not have all the information needed to do +// unwind. So we just grab, up to, 32k of stack. +bool LinuxDumper::GetStackInfo(const void** stack, size_t* stack_len, + uintptr_t int_stack_pointer) { + // Move the stack pointer to the bottom of the page that it's in. + const uintptr_t page_size = getpagesize(); + + uint8_t* const stack_pointer = + reinterpret_cast(int_stack_pointer & ~(page_size - 1)); + + // The number of bytes of stack which we try to capture. + static const ptrdiff_t kStackToCapture = 32 * 1024; + + const MappingInfo* mapping = FindMapping(stack_pointer); + if (!mapping) + return false; + const ptrdiff_t offset = stack_pointer - (uint8_t*) mapping->start_addr; + const ptrdiff_t distance_to_end = + static_cast(mapping->size) - offset; + *stack_len = distance_to_end > kStackToCapture ? + kStackToCapture : distance_to_end; + *stack = stack_pointer; + return true; +} + +// Find the mapping which the given memory address falls in. +const MappingInfo* LinuxDumper::FindMapping(const void* address) const { + const uintptr_t addr = (uintptr_t) address; + + for (size_t i = 0; i < mappings_.size(); ++i) { + const uintptr_t start = static_cast(mappings_[i]->start_addr); + if (addr >= start && addr - start < mappings_[i]->size) + return mappings_[i]; + } + + return NULL; +} + +bool LinuxDumper::HandleDeletedFileInMapping(char* path) const { + static const size_t kDeletedSuffixLen = sizeof(kDeletedSuffix) - 1; + + // Check for ' (deleted)' in |path|. + // |path| has to be at least as long as "/x (deleted)". + const size_t path_len = my_strlen(path); + if (path_len < kDeletedSuffixLen + 2) + return false; + if (my_strncmp(path + path_len - kDeletedSuffixLen, kDeletedSuffix, + kDeletedSuffixLen) != 0) { + return false; + } + + // Check |path| against the /proc/pid/exe 'symlink'. + char exe_link[NAME_MAX]; + char new_path[NAME_MAX]; + if (!BuildProcPath(exe_link, pid_, "exe")) + return false; + if (!SafeReadLink(exe_link, new_path)) + return false; + if (my_strcmp(path, new_path) != 0) + return false; + + // Check to see if someone actually named their executable 'foo (deleted)'. + struct kernel_stat exe_stat; + struct kernel_stat new_path_stat; + if (sys_stat(exe_link, &exe_stat) == 0 && + sys_stat(new_path, &new_path_stat) == 0 && + exe_stat.st_dev == new_path_stat.st_dev && + exe_stat.st_ino == new_path_stat.st_ino) { + return false; + } + + my_memcpy(path, exe_link, NAME_MAX); + return true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_dumper.h b/google-breakpad/src/client/linux/minidump_writer/linux_dumper.h new file mode 100644 index 0000000..a4a3ab5 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_dumper.h @@ -0,0 +1,210 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_dumper.h: Define the google_breakpad::LinuxDumper class, which +// is a base class for extracting information of a crashed process. It +// was originally a complete implementation using the ptrace API, but +// has been refactored to allow derived implementations supporting both +// ptrace and core dump. A portion of the original implementation is now +// in google_breakpad::LinuxPtraceDumper (see linux_ptrace_dumper.h for +// details). + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_LINUX_DUMPER_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_LINUX_DUMPER_H_ + +#include +#include +#include +#include +#include + +#include "common/memory.h" +#include "google_breakpad/common/minidump_format.h" + +namespace google_breakpad { + +#if defined(__i386) || defined(__x86_64) +typedef typeof(((struct user*) 0)->u_debugreg[0]) debugreg_t; +#endif + +// Typedef for our parsing of the auxv variables in /proc/pid/auxv. +#if defined(__i386) || defined(__ARM_EABI__) +typedef Elf32_auxv_t elf_aux_entry; +#elif defined(__x86_64) +typedef Elf64_auxv_t elf_aux_entry; +#endif + +typedef typeof(((elf_aux_entry*) 0)->a_un.a_val) elf_aux_val_t; + +// When we find the VDSO mapping in the process's address space, this +// is the name we use for it when writing it to the minidump. +// This should always be less than NAME_MAX! +const char kLinuxGateLibraryName[] = "linux-gate.so"; + +// We produce one of these structures for each thread in the crashed process. +struct ThreadInfo { + pid_t tgid; // thread group id + pid_t ppid; // parent process + + uintptr_t stack_pointer; // thread stack pointer + + +#if defined(__i386) || defined(__x86_64) + user_regs_struct regs; + user_fpregs_struct fpregs; + static const unsigned kNumDebugRegisters = 8; + debugreg_t dregs[8]; +#if defined(__i386) + user_fpxregs_struct fpxregs; +#endif // defined(__i386) + +#elif defined(__ARM_EABI__) + // Mimicking how strace does this(see syscall.c, search for GETREGS) + struct user_regs regs; + struct user_fpregs fpregs; +#endif +}; + +// One of these is produced for each mapping in the process (i.e. line in +// /proc/$x/maps). +struct MappingInfo { + uintptr_t start_addr; + size_t size; + size_t offset; // offset into the backed file. + char name[NAME_MAX]; +}; + +class LinuxDumper { + public: + explicit LinuxDumper(pid_t pid); + + virtual ~LinuxDumper(); + + // Parse the data for |threads| and |mappings|. + virtual bool Init(); + + // Return true if the dumper performs a post-mortem dump. + virtual bool IsPostMortem() const = 0; + + // Suspend/resume all threads in the given process. + virtual bool ThreadsSuspend() = 0; + virtual bool ThreadsResume() = 0; + + // Read information about the |index|-th thread of |threads_|. + // Returns true on success. One must have called |ThreadsSuspend| first. + virtual bool GetThreadInfoByIndex(size_t index, ThreadInfo* info) = 0; + + // These are only valid after a call to |Init|. + const wasteful_vector &threads() { return threads_; } + const wasteful_vector &mappings() { return mappings_; } + const MappingInfo* FindMapping(const void* address) const; + const wasteful_vector& auxv() { return auxv_; } + + // Find a block of memory to take as the stack given the top of stack pointer. + // stack: (output) the lowest address in the memory area + // stack_len: (output) the length of the memory area + // stack_top: the current top of the stack + bool GetStackInfo(const void** stack, size_t* stack_len, uintptr_t stack_top); + + PageAllocator* allocator() { return &allocator_; } + + // Copy content of |length| bytes from a given process |child|, + // starting from |src|, into |dest|. + virtual void CopyFromProcess(void* dest, pid_t child, const void* src, + size_t length) = 0; + + // Builds a proc path for a certain pid for a node (/proc//). + // |path| is a character array of at least NAME_MAX bytes to return the + // result.|node| is the final node without any slashes. Returns true on + // success. + virtual bool BuildProcPath(char* path, pid_t pid, const char* node) const = 0; + + // Generate a File ID from the .text section of a mapped entry. + // If not a member, mapping_id is ignored. + bool ElfFileIdentifierForMapping(const MappingInfo& mapping, + bool member, + unsigned int mapping_id, + uint8_t identifier[sizeof(MDGUID)]); + + uintptr_t crash_address() const { return crash_address_; } + void set_crash_address(uintptr_t crash_address) { + crash_address_ = crash_address; + } + + int crash_signal() const { return crash_signal_; } + void set_crash_signal(int crash_signal) { crash_signal_ = crash_signal; } + + pid_t crash_thread() const { return crash_thread_; } + void set_crash_thread(pid_t crash_thread) { crash_thread_ = crash_thread; } + + protected: + bool ReadAuxv(); + + virtual bool EnumerateMappings(); + + virtual bool EnumerateThreads() = 0; + + // For the case where a running program has been deleted, it'll show up in + // /proc/pid/maps as "/path/to/program (deleted)". If this is the case, then + // see if '/path/to/program (deleted)' matches /proc/pid/exe and return + // /proc/pid/exe in |path| so ELF identifier generation works correctly. This + // also checks to see if '/path/to/program (deleted)' exists, so it does not + // get fooled by a poorly named binary. + // For programs that don't end with ' (deleted)', this is a no-op. + // This assumes |path| is a buffer with length NAME_MAX. + // Returns true if |path| is modified. + bool HandleDeletedFileInMapping(char* path) const; + + // ID of the crashed process. + const pid_t pid_; + + // Virtual address at which the process crashed. + uintptr_t crash_address_; + + // Signal that terminated the crashed process. + int crash_signal_; + + // ID of the crashed thread. + pid_t crash_thread_; + + mutable PageAllocator allocator_; + + // IDs of all the threads. + wasteful_vector threads_; + + // Info from /proc//maps. + wasteful_vector mappings_; + + // Info from /proc//auxv + wasteful_vector auxv_; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_HANDLER_LINUX_DUMPER_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc b/google-breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc new file mode 100644 index 0000000..6802069 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc @@ -0,0 +1,90 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Helper program for the linux_dumper class, which creates a bunch of +// threads. The first word of each thread's stack is set to the thread +// id. + +#include +#include +#include +#include +#include +#include + +#include "common/scoped_ptr.h" +#include "third_party/lss/linux_syscall_support.h" + +#if defined(__ARM_EABI__) +#define TID_PTR_REGISTER "r3" +#elif defined(__i386) +#define TID_PTR_REGISTER "ecx" +#elif defined(__x86_64) +#define TID_PTR_REGISTER "rcx" +#else +#error This test has not been ported to this platform. +#endif + +void *thread_function(void *data) { + int pipefd = *static_cast(data); + volatile pid_t thread_id = syscall(__NR_gettid); + // Signal parent that a thread has started. + uint8_t byte = 1; + if (write(pipefd, &byte, sizeof(byte)) != sizeof(byte)) { + perror("ERROR: parent notification failed"); + return NULL; + } + register volatile pid_t *thread_id_ptr asm(TID_PTR_REGISTER) = &thread_id; + while (true) + asm volatile ("" : : "r" (thread_id_ptr)); + return NULL; +} + +int main(int argc, char *argv[]) { + if (argc < 3) { + fprintf(stderr, + "usage: linux_dumper_unittest_helper <# of threads>\n"); + return 1; + } + int pipefd = atoi(argv[1]); + int num_threads = atoi(argv[2]); + if (num_threads < 1) { + fprintf(stderr, "ERROR: number of threads is 0"); + return 1; + } + google_breakpad::scoped_array threads(new pthread_t[num_threads]); + pthread_attr_t thread_attributes; + pthread_attr_init(&thread_attributes); + pthread_attr_setdetachstate(&thread_attributes, PTHREAD_CREATE_DETACHED); + for (int i = 1; i < num_threads; i++) { + pthread_create(&threads[i], &thread_attributes, &thread_function, &pipefd); + } + thread_function(&pipefd); + return 0; +} diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc b/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc new file mode 100644 index 0000000..45d0f48 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc @@ -0,0 +1,291 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_ptrace_dumper.cc: Implement google_breakpad::LinuxPtraceDumper. +// See linux_ptrace_dumper.h for detals. +// This class was originally splitted from google_breakpad::LinuxDumper. + +// This code deals with the mechanics of getting information about a crashed +// process. Since this code may run in a compromised address space, the same +// rules apply as detailed at the top of minidump_writer.h: no libc calls and +// use the alternative allocator. + +#include "client/linux/minidump_writer/linux_ptrace_dumper.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "client/linux/minidump_writer/directory_reader.h" +#include "client/linux/minidump_writer/line_reader.h" +#include "common/linux/linux_libc_support.h" +#include "third_party/lss/linux_syscall_support.h" + +// Suspends a thread by attaching to it. +static bool SuspendThread(pid_t pid) { + // This may fail if the thread has just died or debugged. + errno = 0; + if (sys_ptrace(PTRACE_ATTACH, pid, NULL, NULL) != 0 && + errno != 0) { + return false; + } + while (sys_waitpid(pid, NULL, __WALL) < 0) { + if (errno != EINTR) { + sys_ptrace(PTRACE_DETACH, pid, NULL, NULL); + return false; + } + } +#if defined(__i386) || defined(__x86_64) + // On x86, the stack pointer is NULL or -1, when executing trusted code in + // the seccomp sandbox. Not only does this cause difficulties down the line + // when trying to dump the thread's stack, it also results in the minidumps + // containing information about the trusted threads. This information is + // generally completely meaningless and just pollutes the minidumps. + // We thus test the stack pointer and exclude any threads that are part of + // the seccomp sandbox's trusted code. + user_regs_struct regs; + if (sys_ptrace(PTRACE_GETREGS, pid, NULL, ®s) == -1 || +#if defined(__i386) + !regs.esp +#elif defined(__x86_64) + !regs.rsp +#endif + ) { + sys_ptrace(PTRACE_DETACH, pid, NULL, NULL); + return false; + } +#endif + return true; +} + +// Resumes a thread by detaching from it. +static bool ResumeThread(pid_t pid) { + return sys_ptrace(PTRACE_DETACH, pid, NULL, NULL) >= 0; +} + +namespace google_breakpad { + +LinuxPtraceDumper::LinuxPtraceDumper(pid_t pid) + : LinuxDumper(pid), + threads_suspended_(false) { +} + +bool LinuxPtraceDumper::BuildProcPath(char* path, pid_t pid, + const char* node) const { + if (!path || !node || pid <= 0) + return false; + + size_t node_len = my_strlen(node); + if (node_len == 0) + return false; + + const unsigned pid_len = my_uint_len(pid); + const size_t total_length = 6 + pid_len + 1 + node_len; + if (total_length >= NAME_MAX) + return false; + + my_memcpy(path, "/proc/", 6); + my_uitos(path + 6, pid, pid_len); + path[6 + pid_len] = '/'; + my_memcpy(path + 6 + pid_len + 1, node, node_len); + path[total_length] = '\0'; + return true; +} + +void LinuxPtraceDumper::CopyFromProcess(void* dest, pid_t child, + const void* src, size_t length) { + unsigned long tmp = 55; + size_t done = 0; + static const size_t word_size = sizeof(tmp); + uint8_t* const local = (uint8_t*) dest; + uint8_t* const remote = (uint8_t*) src; + + while (done < length) { + const size_t l = (length - done > word_size) ? word_size : (length - done); + if (sys_ptrace(PTRACE_PEEKDATA, child, remote + done, &tmp) == -1) { + tmp = 0; + } + my_memcpy(local + done, &tmp, l); + done += l; + } +} + +// Read thread info from /proc/$pid/status. +// Fill out the |tgid|, |ppid| and |pid| members of |info|. If unavailable, +// these members are set to -1. Returns true iff all three members are +// available. +bool LinuxPtraceDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) { + if (index >= threads_.size()) + return false; + + pid_t tid = threads_[index]; + + assert(info != NULL); + char status_path[NAME_MAX]; + if (!BuildProcPath(status_path, tid, "status")) + return false; + + const int fd = sys_open(status_path, O_RDONLY, 0); + if (fd < 0) + return false; + + LineReader* const line_reader = new(allocator_) LineReader(fd); + const char* line; + unsigned line_len; + + info->ppid = info->tgid = -1; + + while (line_reader->GetNextLine(&line, &line_len)) { + if (my_strncmp("Tgid:\t", line, 6) == 0) { + my_strtoui(&info->tgid, line + 6); + } else if (my_strncmp("PPid:\t", line, 6) == 0) { + my_strtoui(&info->ppid, line + 6); + } + + line_reader->PopLine(line_len); + } + sys_close(fd); + + if (info->ppid == -1 || info->tgid == -1) + return false; + + if (sys_ptrace(PTRACE_GETREGS, tid, NULL, &info->regs) == -1) { + return false; + } + + if (sys_ptrace(PTRACE_GETFPREGS, tid, NULL, &info->fpregs) == -1) { + return false; + } + +#if defined(__i386) + if (sys_ptrace(PTRACE_GETFPXREGS, tid, NULL, &info->fpxregs) == -1) + return false; +#endif + +#if defined(__i386) || defined(__x86_64) + for (unsigned i = 0; i < ThreadInfo::kNumDebugRegisters; ++i) { + if (sys_ptrace( + PTRACE_PEEKUSER, tid, + reinterpret_cast (offsetof(struct user, + u_debugreg[0]) + i * + sizeof(debugreg_t)), + &info->dregs[i]) == -1) { + return false; + } + } +#endif + + const uint8_t* stack_pointer; +#if defined(__i386) + my_memcpy(&stack_pointer, &info->regs.esp, sizeof(info->regs.esp)); +#elif defined(__x86_64) + my_memcpy(&stack_pointer, &info->regs.rsp, sizeof(info->regs.rsp)); +#elif defined(__ARM_EABI__) + my_memcpy(&stack_pointer, &info->regs.ARM_sp, sizeof(info->regs.ARM_sp)); +#else +#error "This code hasn't been ported to your platform yet." +#endif + info->stack_pointer = reinterpret_cast(stack_pointer); + + return true; +} + +bool LinuxPtraceDumper::IsPostMortem() const { + return false; +} + +bool LinuxPtraceDumper::ThreadsSuspend() { + if (threads_suspended_) + return true; + for (size_t i = 0; i < threads_.size(); ++i) { + if (!SuspendThread(threads_[i])) { + // If the thread either disappeared before we could attach to it, or if + // it was part of the seccomp sandbox's trusted code, it is OK to + // silently drop it from the minidump. + my_memmove(&threads_[i], &threads_[i+1], + (threads_.size() - i - 1) * sizeof(threads_[i])); + threads_.resize(threads_.size() - 1); + --i; + } + } + threads_suspended_ = true; + return threads_.size() > 0; +} + +bool LinuxPtraceDumper::ThreadsResume() { + if (!threads_suspended_) + return false; + bool good = true; + for (size_t i = 0; i < threads_.size(); ++i) + good &= ResumeThread(threads_[i]); + threads_suspended_ = false; + return good; +} + +// Parse /proc/$pid/task to list all the threads of the process identified by +// pid. +bool LinuxPtraceDumper::EnumerateThreads() { + char task_path[NAME_MAX]; + if (!BuildProcPath(task_path, pid_, "task")) + return false; + + const int fd = sys_open(task_path, O_RDONLY | O_DIRECTORY, 0); + if (fd < 0) + return false; + DirectoryReader* dir_reader = new(allocator_) DirectoryReader(fd); + + // The directory may contain duplicate entries which we filter by assuming + // that they are consecutive. + int last_tid = -1; + const char* dent_name; + while (dir_reader->GetNextEntry(&dent_name)) { + if (my_strcmp(dent_name, ".") && + my_strcmp(dent_name, "..")) { + int tid = 0; + if (my_strtoui(&tid, dent_name) && + last_tid != tid) { + last_tid = tid; + threads_.push_back(tid); + } + } + dir_reader->PopEntry(); + } + + sys_close(fd); + return true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.h b/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.h new file mode 100644 index 0000000..1e9bcfd --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.h @@ -0,0 +1,92 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_ptrace_dumper.h: Define the google_breakpad::LinuxPtraceDumper +// class, which is derived from google_breakpad::LinuxDumper to extract +// information from a crashed process via ptrace. +// This class was originally splitted from google_breakpad::LinuxDumper. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_LINUX_PTRACE_DUMPER_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_LINUX_PTRACE_DUMPER_H_ + +#include "client/linux/minidump_writer/linux_dumper.h" + +namespace google_breakpad { + +class LinuxPtraceDumper : public LinuxDumper { + public: + // Constructs a dumper for extracting information of a given process + // with a process ID of |pid|. + explicit LinuxPtraceDumper(pid_t pid); + + // Implements LinuxDumper::BuildProcPath(). + // Builds a proc path for a certain pid for a node (/proc//). + // |path| is a character array of at least NAME_MAX bytes to return the + // result. |node| is the final node without any slashes. Returns true on + // success. + virtual bool BuildProcPath(char* path, pid_t pid, const char* node) const; + + // Implements LinuxDumper::CopyFromProcess(). + // Copies content of |length| bytes from a given process |child|, + // starting from |src|, into |dest|. This method uses ptrace to extract + // the content from the target process. + virtual void CopyFromProcess(void* dest, pid_t child, const void* src, + size_t length); + + // Implements LinuxDumper::GetThreadInfoByIndex(). + // Reads information about the |index|-th thread of |threads_|. + // Returns true on success. One must have called |ThreadsSuspend| first. + virtual bool GetThreadInfoByIndex(size_t index, ThreadInfo* info); + + // Implements LinuxDumper::IsPostMortem(). + // Always returns false to indicate this dumper performs a dump of + // a crashed process via ptrace. + virtual bool IsPostMortem() const; + + // Implements LinuxDumper::ThreadsSuspend(). + // Suspends all threads in the given process. Returns true on success. + virtual bool ThreadsSuspend(); + + // Implements LinuxDumper::ThreadsResume(). + // Resumes all threads in the given process. Returns true on success. + virtual bool ThreadsResume(); + + protected: + // Implements LinuxDumper::EnumerateThreads(). + // Enumerates all threads of the given process into |threads_|. + virtual bool EnumerateThreads(); + + private: + // Set to true if all threads of the crashed process are suspended. + bool threads_suspended_; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_HANDLER_LINUX_PTRACE_DUMPER_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc b/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc new file mode 100644 index 0000000..04da30b --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc @@ -0,0 +1,440 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// linux_ptrace_dumper_unittest.cc: +// Unit tests for google_breakpad::LinuxPtraceDumoer. +// +// This file was renamed from linux_dumper_unittest.cc and modified due +// to LinuxDumper being splitted into two classes. + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "breakpad_googletest_includes.h" +#include "client/linux/minidump_writer/linux_ptrace_dumper.h" +#include "client/linux/minidump_writer/minidump_writer_unittest_utils.h" +#include "common/linux/eintr_wrapper.h" +#include "common/linux/file_id.h" +#include "common/linux/ignore_ret.h" +#include "common/linux/safe_readlink.h" +#include "common/memory.h" +#include "common/using_std_string.h" + +using namespace google_breakpad; + +namespace { + +typedef testing::Test LinuxPtraceDumperTest; + +} // namespace + +TEST(LinuxPtraceDumperTest, Setup) { + LinuxPtraceDumper dumper(getpid()); +} + +TEST(LinuxPtraceDumperTest, FindMappings) { + LinuxPtraceDumper dumper(getpid()); + ASSERT_TRUE(dumper.Init()); + + ASSERT_TRUE(dumper.FindMapping(reinterpret_cast(getpid))); + ASSERT_TRUE(dumper.FindMapping(reinterpret_cast(printf))); + ASSERT_FALSE(dumper.FindMapping(NULL)); +} + +TEST(LinuxPtraceDumperTest, ThreadList) { + LinuxPtraceDumper dumper(getpid()); + ASSERT_TRUE(dumper.Init()); + + ASSERT_GE(dumper.threads().size(), (size_t)1); + bool found = false; + for (size_t i = 0; i < dumper.threads().size(); ++i) { + if (dumper.threads()[i] == getpid()) { + ASSERT_FALSE(found); + found = true; + } + } + ASSERT_TRUE(found); +} + +// Helper stack class to close a file descriptor and unmap +// a mmap'ed mapping. +class StackHelper { + public: + StackHelper(int fd, char* mapping, size_t size) + : fd_(fd), mapping_(mapping), size_(size) {} + ~StackHelper() { + munmap(mapping_, size_); + close(fd_); + } + + private: + int fd_; + char* mapping_; + size_t size_; +}; + +TEST(LinuxPtraceDumperTest, MergedMappings) { + string helper_path(GetHelperBinary()); + if (helper_path.empty()) { + FAIL() << "Couldn't find helper binary"; + exit(1); + } + + // mmap two segments out of the helper binary, one + // enclosed in the other, but with different protections. + const size_t kPageSize = sysconf(_SC_PAGESIZE); + const size_t kMappingSize = 3 * kPageSize; + int fd = open(helper_path.c_str(), O_RDONLY); + ASSERT_NE(-1, fd) << "Failed to open file: " << helper_path + << ", Error: " << strerror(errno); + char* mapping = + reinterpret_cast(mmap(NULL, + kMappingSize, + PROT_READ, + MAP_SHARED, + fd, + 0)); + ASSERT_TRUE(mapping); + + const uintptr_t kMappingAddress = reinterpret_cast(mapping); + + // Ensure that things get cleaned up. + StackHelper helper(fd, mapping, kMappingSize); + + // Carve a page out of the first mapping with different permissions. + char* inside_mapping = reinterpret_cast( + mmap(mapping + 2 *kPageSize, + kPageSize, + PROT_NONE, + MAP_SHARED | MAP_FIXED, + fd, + // Map a different offset just to + // better test real-world conditions. + kPageSize)); + ASSERT_TRUE(inside_mapping); + + // Now check that LinuxPtraceDumper interpreted the mappings properly. + LinuxPtraceDumper dumper(getpid()); + ASSERT_TRUE(dumper.Init()); + int mapping_count = 0; + for (unsigned i = 0; i < dumper.mappings().size(); ++i) { + const MappingInfo& mapping = *dumper.mappings()[i]; + if (strcmp(mapping.name, helper_path.c_str()) == 0) { + // This mapping should encompass the entire original mapped + // range. + EXPECT_EQ(kMappingAddress, mapping.start_addr); + EXPECT_EQ(kMappingSize, mapping.size); + EXPECT_EQ(0U, mapping.offset); + mapping_count++; + } + } + EXPECT_EQ(1, mapping_count); +} + +TEST(LinuxPtraceDumperTest, VerifyStackReadWithMultipleThreads) { + static const int kNumberOfThreadsInHelperProgram = 5; + char kNumberOfThreadsArgument[2]; + sprintf(kNumberOfThreadsArgument, "%d", kNumberOfThreadsInHelperProgram); + + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + pid_t child_pid = fork(); + if (child_pid == 0) { + // In child process. + close(fds[0]); + + string helper_path(GetHelperBinary()); + if (helper_path.empty()) { + FAIL() << "Couldn't find helper binary"; + exit(1); + } + + // Pass the pipe fd and the number of threads as arguments. + char pipe_fd_string[8]; + sprintf(pipe_fd_string, "%d", fds[1]); + execl(helper_path.c_str(), + "linux_dumper_unittest_helper", + pipe_fd_string, + kNumberOfThreadsArgument, + NULL); + // Kill if we get here. + printf("Errno from exec: %d", errno); + FAIL() << "Exec of " << helper_path << " failed: " << strerror(errno); + exit(0); + } + close(fds[1]); + + // Wait for all child threads to indicate that they have started + for (int threads = 0; threads < kNumberOfThreadsInHelperProgram; threads++) { + struct pollfd pfd; + memset(&pfd, 0, sizeof(pfd)); + pfd.fd = fds[0]; + pfd.events = POLLIN | POLLERR; + + const int r = HANDLE_EINTR(poll(&pfd, 1, 1000)); + ASSERT_EQ(1, r); + ASSERT_TRUE(pfd.revents & POLLIN); + uint8_t junk; + ASSERT_EQ(read(fds[0], &junk, sizeof(junk)), + static_cast(sizeof(junk))); + } + close(fds[0]); + + // There is a race here because we may stop a child thread before + // it is actually running the busy loop. Empirically this sleep + // is sufficient to avoid the race. + usleep(100000); + + // Children are ready now. + LinuxPtraceDumper dumper(child_pid); + ASSERT_TRUE(dumper.Init()); + EXPECT_EQ((size_t)kNumberOfThreadsInHelperProgram, dumper.threads().size()); + EXPECT_TRUE(dumper.ThreadsSuspend()); + + ThreadInfo one_thread; + for (size_t i = 0; i < dumper.threads().size(); ++i) { + EXPECT_TRUE(dumper.GetThreadInfoByIndex(i, &one_thread)); + const void* stack; + size_t stack_len; + EXPECT_TRUE(dumper.GetStackInfo(&stack, &stack_len, + one_thread.stack_pointer)); + // In the helper program, we stored a pointer to the thread id in a + // specific register. Check that we can recover its value. +#if defined(__ARM_EABI__) + pid_t *process_tid_location = (pid_t *)(one_thread.regs.uregs[3]); +#elif defined(__i386) + pid_t *process_tid_location = (pid_t *)(one_thread.regs.ecx); +#elif defined(__x86_64) + pid_t *process_tid_location = (pid_t *)(one_thread.regs.rcx); +#else +#error This test has not been ported to this platform. +#endif + pid_t one_thread_id; + dumper.CopyFromProcess(&one_thread_id, + dumper.threads()[i], + process_tid_location, + 4); + EXPECT_EQ(dumper.threads()[i], one_thread_id); + } + EXPECT_TRUE(dumper.ThreadsResume()); + kill(child_pid, SIGKILL); + + // Reap child + int status; + ASSERT_NE(-1, HANDLE_EINTR(waitpid(child_pid, &status, 0))); + ASSERT_TRUE(WIFSIGNALED(status)); + ASSERT_EQ(SIGKILL, WTERMSIG(status)); +} + +TEST(LinuxPtraceDumperTest, BuildProcPath) { + const pid_t pid = getpid(); + LinuxPtraceDumper dumper(pid); + + char maps_path[NAME_MAX] = ""; + char maps_path_expected[NAME_MAX]; + snprintf(maps_path_expected, sizeof(maps_path_expected), + "/proc/%d/maps", pid); + EXPECT_TRUE(dumper.BuildProcPath(maps_path, pid, "maps")); + EXPECT_STREQ(maps_path_expected, maps_path); + + EXPECT_FALSE(dumper.BuildProcPath(NULL, pid, "maps")); + EXPECT_FALSE(dumper.BuildProcPath(maps_path, 0, "maps")); + EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, "")); + EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, NULL)); + + char long_node[NAME_MAX]; + size_t long_node_len = NAME_MAX - strlen("/proc/123") - 1; + memset(long_node, 'a', long_node_len); + long_node[long_node_len] = '\0'; + EXPECT_FALSE(dumper.BuildProcPath(maps_path, 123, long_node)); +} + +#if !defined(__ARM_EABI__) +// Ensure that the linux-gate VDSO is included in the mapping list. +TEST(LinuxPtraceDumperTest, MappingsIncludeLinuxGate) { + LinuxPtraceDumper dumper(getpid()); + ASSERT_TRUE(dumper.Init()); + + void* linux_gate_loc = + reinterpret_cast(dumper.auxv()[AT_SYSINFO_EHDR]); + ASSERT_TRUE(linux_gate_loc); + bool found_linux_gate = false; + + const wasteful_vector mappings = dumper.mappings(); + const MappingInfo* mapping; + for (unsigned i = 0; i < mappings.size(); ++i) { + mapping = mappings[i]; + if (!strcmp(mapping->name, kLinuxGateLibraryName)) { + found_linux_gate = true; + break; + } + } + EXPECT_TRUE(found_linux_gate); + EXPECT_EQ(linux_gate_loc, reinterpret_cast(mapping->start_addr)); + EXPECT_EQ(0, memcmp(linux_gate_loc, ELFMAG, SELFMAG)); +} + +// Ensure that the linux-gate VDSO can generate a non-zeroed File ID. +TEST(LinuxPtraceDumperTest, LinuxGateMappingID) { + LinuxPtraceDumper dumper(getpid()); + ASSERT_TRUE(dumper.Init()); + + bool found_linux_gate = false; + const wasteful_vector mappings = dumper.mappings(); + unsigned index = 0; + for (unsigned i = 0; i < mappings.size(); ++i) { + if (!strcmp(mappings[i]->name, kLinuxGateLibraryName)) { + found_linux_gate = true; + index = i; + break; + } + } + ASSERT_TRUE(found_linux_gate); + + uint8_t identifier[sizeof(MDGUID)]; + ASSERT_TRUE(dumper.ElfFileIdentifierForMapping(*mappings[index], + true, + index, + identifier)); + uint8_t empty_identifier[sizeof(MDGUID)]; + memset(empty_identifier, 0, sizeof(empty_identifier)); + EXPECT_NE(0, memcmp(empty_identifier, identifier, sizeof(identifier))); +} + +// Ensure that the linux-gate VDSO can generate a non-zeroed File ID +// from a child process. +TEST(LinuxPtraceDumperTest, LinuxGateMappingIDChild) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + // Fork a child so ptrace works. + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + // Now wait forever for the parent. + char b; + IGNORE_RET(HANDLE_EINTR(read(fds[0], &b, sizeof(b)))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + LinuxPtraceDumper dumper(child); + ASSERT_TRUE(dumper.Init()); + + bool found_linux_gate = false; + const wasteful_vector mappings = dumper.mappings(); + unsigned index = 0; + for (unsigned i = 0; i < mappings.size(); ++i) { + if (!strcmp(mappings[i]->name, kLinuxGateLibraryName)) { + found_linux_gate = true; + index = i; + break; + } + } + ASSERT_TRUE(found_linux_gate); + + // Need to suspend the child so ptrace actually works. + ASSERT_TRUE(dumper.ThreadsSuspend()); + uint8_t identifier[sizeof(MDGUID)]; + ASSERT_TRUE(dumper.ElfFileIdentifierForMapping(*mappings[index], + true, + index, + identifier)); + uint8_t empty_identifier[sizeof(MDGUID)]; + memset(empty_identifier, 0, sizeof(empty_identifier)); + EXPECT_NE(0, memcmp(empty_identifier, identifier, sizeof(identifier))); + EXPECT_TRUE(dumper.ThreadsResume()); + close(fds[1]); +} +#endif + +TEST(LinuxPtraceDumperTest, FileIDsMatch) { + // Calculate the File ID of our binary using both + // FileID::ElfFileIdentifier and LinuxDumper::ElfFileIdentifierForMapping + // and ensure that we get the same result from both. + char exe_name[PATH_MAX]; + ASSERT_TRUE(SafeReadLink("/proc/self/exe", exe_name)); + + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + // Fork a child so ptrace works. + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + // Now wait forever for the parent. + char b; + IGNORE_RET(HANDLE_EINTR(read(fds[0], &b, sizeof(b)))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + LinuxPtraceDumper dumper(child); + ASSERT_TRUE(dumper.Init()); + const wasteful_vector mappings = dumper.mappings(); + bool found_exe = false; + unsigned i; + for (i = 0; i < mappings.size(); ++i) { + const MappingInfo* mapping = mappings[i]; + if (!strcmp(mapping->name, exe_name)) { + found_exe = true; + break; + } + } + ASSERT_TRUE(found_exe); + + uint8_t identifier1[sizeof(MDGUID)]; + uint8_t identifier2[sizeof(MDGUID)]; + EXPECT_TRUE(dumper.ElfFileIdentifierForMapping(*mappings[i], true, i, + identifier1)); + FileID fileid(exe_name); + EXPECT_TRUE(fileid.ElfFileIdentifier(identifier2)); + char identifier_string1[37]; + char identifier_string2[37]; + FileID::ConvertIdentifierToString(identifier1, identifier_string1, + 37); + FileID::ConvertIdentifierToString(identifier2, identifier_string2, + 37); + EXPECT_STREQ(identifier_string1, identifier_string2); + close(fds[1]); +} diff --git a/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc b/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc new file mode 100644 index 0000000..76c6e5a --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc @@ -0,0 +1,1765 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// This code writes out minidump files: +// http://msdn.microsoft.com/en-us/library/ms680378(VS.85,loband).aspx +// +// Minidumps are a Microsoft format which Breakpad uses for recording crash +// dumps. This code has to run in a compromised environment (the address space +// may have received SIGSEGV), thus the following rules apply: +// * You may not enter the dynamic linker. This means that we cannot call +// any symbols in a shared library (inc libc). Because of this we replace +// libc functions in linux_libc_support.h. +// * You may not call syscalls via the libc wrappers. This rule is a subset +// of the first rule but it bears repeating. We have direct wrappers +// around the system calls in linux_syscall_support.h. +// * You may not malloc. There's an alternative allocator in memory.h and +// a canonical instance in the LinuxDumper object. We use the placement +// new form to allocate objects and we don't delete them. + +#include "client/linux/handler/minidump_descriptor.h" +#include "client/linux/minidump_writer/minidump_writer.h" +#include "client/minidump_file_writer-inl.h" + +#include +#include +#include +#include +#include +#if defined(__ANDROID__) +#include +#endif +#include +#include +#include +#include +#include + +#include + +#include "client/linux/handler/exception_handler.h" +#include "client/linux/minidump_writer/cpu_set.h" +#include "client/linux/minidump_writer/line_reader.h" +#include "client/linux/minidump_writer/linux_dumper.h" +#include "client/linux/minidump_writer/linux_ptrace_dumper.h" +#include "client/linux/minidump_writer/proc_cpuinfo_reader.h" +#include "client/minidump_file_writer.h" +#include "common/linux/linux_libc_support.h" +#include "google_breakpad/common/minidump_format.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace { + +using google_breakpad::AppMemoryList; +using google_breakpad::ExceptionHandler; +using google_breakpad::CpuSet; +using google_breakpad::LineReader; +using google_breakpad::LinuxDumper; +using google_breakpad::LinuxPtraceDumper; +using google_breakpad::MappingEntry; +using google_breakpad::MappingInfo; +using google_breakpad::MappingList; +using google_breakpad::MinidumpFileWriter; +using google_breakpad::PageAllocator; +using google_breakpad::ProcCpuInfoReader; +using google_breakpad::ThreadInfo; +using google_breakpad::TypedMDRVA; +using google_breakpad::UntypedMDRVA; +using google_breakpad::wasteful_vector; + +// Minidump defines register structures which are different from the raw +// structures which we get from the kernel. These are platform specific +// functions to juggle the ucontext and user structures into minidump format. +#if defined(__i386__) +typedef MDRawContextX86 RawContextCPU; + +// Write a uint16_t to memory +// out: memory location to write to +// v: value to write. +void U16(void* out, uint16_t v) { + my_memcpy(out, &v, sizeof(v)); +} + +// Write a uint32_t to memory +// out: memory location to write to +// v: value to write. +void U32(void* out, uint32_t v) { + my_memcpy(out, &v, sizeof(v)); +} + +// Juggle an x86 user_(fp|fpx|)regs_struct into minidump format +// out: the minidump structure +// info: the collection of register structures. +void CPUFillFromThreadInfo(MDRawContextX86 *out, + const google_breakpad::ThreadInfo &info) { + out->context_flags = MD_CONTEXT_X86_ALL; + + out->dr0 = info.dregs[0]; + out->dr1 = info.dregs[1]; + out->dr2 = info.dregs[2]; + out->dr3 = info.dregs[3]; + // 4 and 5 deliberatly omitted because they aren't included in the minidump + // format. + out->dr6 = info.dregs[6]; + out->dr7 = info.dregs[7]; + + out->gs = info.regs.xgs; + out->fs = info.regs.xfs; + out->es = info.regs.xes; + out->ds = info.regs.xds; + + out->edi = info.regs.edi; + out->esi = info.regs.esi; + out->ebx = info.regs.ebx; + out->edx = info.regs.edx; + out->ecx = info.regs.ecx; + out->eax = info.regs.eax; + + out->ebp = info.regs.ebp; + out->eip = info.regs.eip; + out->cs = info.regs.xcs; + out->eflags = info.regs.eflags; + out->esp = info.regs.esp; + out->ss = info.regs.xss; + + out->float_save.control_word = info.fpregs.cwd; + out->float_save.status_word = info.fpregs.swd; + out->float_save.tag_word = info.fpregs.twd; + out->float_save.error_offset = info.fpregs.fip; + out->float_save.error_selector = info.fpregs.fcs; + out->float_save.data_offset = info.fpregs.foo; + out->float_save.data_selector = info.fpregs.fos; + + // 8 registers * 10 bytes per register. + my_memcpy(out->float_save.register_area, info.fpregs.st_space, 10 * 8); + + // This matches the Intel fpsave format. + U16(out->extended_registers + 0, info.fpregs.cwd); + U16(out->extended_registers + 2, info.fpregs.swd); + U16(out->extended_registers + 4, info.fpregs.twd); + U16(out->extended_registers + 6, info.fpxregs.fop); + U32(out->extended_registers + 8, info.fpxregs.fip); + U16(out->extended_registers + 12, info.fpxregs.fcs); + U32(out->extended_registers + 16, info.fpregs.foo); + U16(out->extended_registers + 20, info.fpregs.fos); + U32(out->extended_registers + 24, info.fpxregs.mxcsr); + + my_memcpy(out->extended_registers + 32, &info.fpxregs.st_space, 128); + my_memcpy(out->extended_registers + 160, &info.fpxregs.xmm_space, 128); +} + +// Juggle an x86 ucontext into minidump format +// out: the minidump structure +// info: the collection of register structures. +void CPUFillFromUContext(MDRawContextX86 *out, const ucontext *uc, + const struct _libc_fpstate* fp) { + const greg_t* regs = uc->uc_mcontext.gregs; + + out->context_flags = MD_CONTEXT_X86_FULL | + MD_CONTEXT_X86_FLOATING_POINT; + + out->gs = regs[REG_GS]; + out->fs = regs[REG_FS]; + out->es = regs[REG_ES]; + out->ds = regs[REG_DS]; + + out->edi = regs[REG_EDI]; + out->esi = regs[REG_ESI]; + out->ebx = regs[REG_EBX]; + out->edx = regs[REG_EDX]; + out->ecx = regs[REG_ECX]; + out->eax = regs[REG_EAX]; + + out->ebp = regs[REG_EBP]; + out->eip = regs[REG_EIP]; + out->cs = regs[REG_CS]; + out->eflags = regs[REG_EFL]; + out->esp = regs[REG_UESP]; + out->ss = regs[REG_SS]; + + out->float_save.control_word = fp->cw; + out->float_save.status_word = fp->sw; + out->float_save.tag_word = fp->tag; + out->float_save.error_offset = fp->ipoff; + out->float_save.error_selector = fp->cssel; + out->float_save.data_offset = fp->dataoff; + out->float_save.data_selector = fp->datasel; + + // 8 registers * 10 bytes per register. + my_memcpy(out->float_save.register_area, fp->_st, 10 * 8); +} + +#elif defined(__x86_64) +typedef MDRawContextAMD64 RawContextCPU; + +void CPUFillFromThreadInfo(MDRawContextAMD64 *out, + const google_breakpad::ThreadInfo &info) { + out->context_flags = MD_CONTEXT_AMD64_FULL | + MD_CONTEXT_AMD64_SEGMENTS; + + out->cs = info.regs.cs; + + out->ds = info.regs.ds; + out->es = info.regs.es; + out->fs = info.regs.fs; + out->gs = info.regs.gs; + + out->ss = info.regs.ss; + out->eflags = info.regs.eflags; + + out->dr0 = info.dregs[0]; + out->dr1 = info.dregs[1]; + out->dr2 = info.dregs[2]; + out->dr3 = info.dregs[3]; + // 4 and 5 deliberatly omitted because they aren't included in the minidump + // format. + out->dr6 = info.dregs[6]; + out->dr7 = info.dregs[7]; + + out->rax = info.regs.rax; + out->rcx = info.regs.rcx; + out->rdx = info.regs.rdx; + out->rbx = info.regs.rbx; + + out->rsp = info.regs.rsp; + + out->rbp = info.regs.rbp; + out->rsi = info.regs.rsi; + out->rdi = info.regs.rdi; + out->r8 = info.regs.r8; + out->r9 = info.regs.r9; + out->r10 = info.regs.r10; + out->r11 = info.regs.r11; + out->r12 = info.regs.r12; + out->r13 = info.regs.r13; + out->r14 = info.regs.r14; + out->r15 = info.regs.r15; + + out->rip = info.regs.rip; + + out->flt_save.control_word = info.fpregs.cwd; + out->flt_save.status_word = info.fpregs.swd; + out->flt_save.tag_word = info.fpregs.ftw; + out->flt_save.error_opcode = info.fpregs.fop; + out->flt_save.error_offset = info.fpregs.rip; + out->flt_save.error_selector = 0; // We don't have this. + out->flt_save.data_offset = info.fpregs.rdp; + out->flt_save.data_selector = 0; // We don't have this. + out->flt_save.mx_csr = info.fpregs.mxcsr; + out->flt_save.mx_csr_mask = info.fpregs.mxcr_mask; + my_memcpy(&out->flt_save.float_registers, &info.fpregs.st_space, 8 * 16); + my_memcpy(&out->flt_save.xmm_registers, &info.fpregs.xmm_space, 16 * 16); +} + +void CPUFillFromUContext(MDRawContextAMD64 *out, const ucontext *uc, + const struct _libc_fpstate* fpregs) { + const greg_t* regs = uc->uc_mcontext.gregs; + + out->context_flags = MD_CONTEXT_AMD64_FULL; + + out->cs = regs[REG_CSGSFS] & 0xffff; + + out->fs = (regs[REG_CSGSFS] >> 32) & 0xffff; + out->gs = (regs[REG_CSGSFS] >> 16) & 0xffff; + + out->eflags = regs[REG_EFL]; + + out->rax = regs[REG_RAX]; + out->rcx = regs[REG_RCX]; + out->rdx = regs[REG_RDX]; + out->rbx = regs[REG_RBX]; + + out->rsp = regs[REG_RSP]; + out->rbp = regs[REG_RBP]; + out->rsi = regs[REG_RSI]; + out->rdi = regs[REG_RDI]; + out->r8 = regs[REG_R8]; + out->r9 = regs[REG_R9]; + out->r10 = regs[REG_R10]; + out->r11 = regs[REG_R11]; + out->r12 = regs[REG_R12]; + out->r13 = regs[REG_R13]; + out->r14 = regs[REG_R14]; + out->r15 = regs[REG_R15]; + + out->rip = regs[REG_RIP]; + + out->flt_save.control_word = fpregs->cwd; + out->flt_save.status_word = fpregs->swd; + out->flt_save.tag_word = fpregs->ftw; + out->flt_save.error_opcode = fpregs->fop; + out->flt_save.error_offset = fpregs->rip; + out->flt_save.data_offset = fpregs->rdp; + out->flt_save.error_selector = 0; // We don't have this. + out->flt_save.data_selector = 0; // We don't have this. + out->flt_save.mx_csr = fpregs->mxcsr; + out->flt_save.mx_csr_mask = fpregs->mxcr_mask; + my_memcpy(&out->flt_save.float_registers, &fpregs->_st, 8 * 16); + my_memcpy(&out->flt_save.xmm_registers, &fpregs->_xmm, 16 * 16); +} + +#elif defined(__ARMEL__) +typedef MDRawContextARM RawContextCPU; + +void CPUFillFromThreadInfo(MDRawContextARM* out, + const google_breakpad::ThreadInfo& info) { + out->context_flags = MD_CONTEXT_ARM_FULL; + + for (int i = 0; i < MD_CONTEXT_ARM_GPR_COUNT; ++i) + out->iregs[i] = info.regs.uregs[i]; + // No CPSR register in ThreadInfo(it's not accessible via ptrace) + out->cpsr = 0; +#if !defined(__ANDROID__) + out->float_save.fpscr = info.fpregs.fpsr | + (static_cast(info.fpregs.fpcr) << 32); + // TODO: sort this out, actually collect floating point registers + my_memset(&out->float_save.regs, 0, sizeof(out->float_save.regs)); + my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra)); +#endif +} + +void CPUFillFromUContext(MDRawContextARM* out, const ucontext* uc, + const struct _libc_fpstate* fpregs) { + out->context_flags = MD_CONTEXT_ARM_FULL; + + out->iregs[0] = uc->uc_mcontext.arm_r0; + out->iregs[1] = uc->uc_mcontext.arm_r1; + out->iregs[2] = uc->uc_mcontext.arm_r2; + out->iregs[3] = uc->uc_mcontext.arm_r3; + out->iregs[4] = uc->uc_mcontext.arm_r4; + out->iregs[5] = uc->uc_mcontext.arm_r5; + out->iregs[6] = uc->uc_mcontext.arm_r6; + out->iregs[7] = uc->uc_mcontext.arm_r7; + out->iregs[8] = uc->uc_mcontext.arm_r8; + out->iregs[9] = uc->uc_mcontext.arm_r9; + out->iregs[10] = uc->uc_mcontext.arm_r10; + + out->iregs[11] = uc->uc_mcontext.arm_fp; + out->iregs[12] = uc->uc_mcontext.arm_ip; + out->iregs[13] = uc->uc_mcontext.arm_sp; + out->iregs[14] = uc->uc_mcontext.arm_lr; + out->iregs[15] = uc->uc_mcontext.arm_pc; + + out->cpsr = uc->uc_mcontext.arm_cpsr; + + // TODO: fix this after fixing ExceptionHandler + out->float_save.fpscr = 0; + my_memset(&out->float_save.regs, 0, sizeof(out->float_save.regs)); + my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra)); +} + +#else +#error "This code has not been ported to your platform yet." +#endif + +class MinidumpWriter { + public: + // The following kLimit* constants are for when minidump_size_limit_ is set + // and the minidump size might exceed it. + // + // Estimate for how big each thread's stack will be (in bytes). + static const unsigned kLimitAverageThreadStackLength = 8 * 1024; + // Number of threads whose stack size we don't want to limit. These base + // threads will simply be the first N threads returned by the dumper (although + // the crashing thread will never be limited). Threads beyond this count are + // the extra threads. + static const unsigned kLimitBaseThreadCount = 20; + // Maximum stack size to dump for any extra thread (in bytes). + static const unsigned kLimitMaxExtraThreadStackLen = 2 * 1024; + // Make sure this number of additional bytes can fit in the minidump + // (exclude the stack data). + static const unsigned kLimitMinidumpFudgeFactor = 64 * 1024; + + MinidumpWriter(const char* minidump_path, + int minidump_fd, + const ExceptionHandler::CrashContext* context, + const MappingList& mappings, + const AppMemoryList& appmem, + LinuxDumper* dumper) + : fd_(minidump_fd), + path_(minidump_path), + ucontext_(context ? &context->context : NULL), +#if !defined(__ARM_EABI__) + float_state_(context ? &context->float_state : NULL), +#else + // TODO: fix this after fixing ExceptionHandler + float_state_(NULL), +#endif + dumper_(dumper), + minidump_size_limit_(-1), + memory_blocks_(dumper_->allocator()), + mapping_list_(mappings), + app_memory_list_(appmem) { + // Assert there should be either a valid fd or a valid path, not both. + assert(fd_ != -1 || minidump_path); + assert(fd_ == -1 || !minidump_path); + } + + bool Init() { + if (!dumper_->Init()) + return false; + + if (fd_ != -1) + minidump_writer_.SetFile(fd_); + else if (!minidump_writer_.Open(path_)) + return false; + + return dumper_->ThreadsSuspend(); + } + + ~MinidumpWriter() { + // Don't close the file descriptor when it's been provided explicitly. + // Callers might still need to use it. + if (fd_ == -1) + minidump_writer_.Close(); + dumper_->ThreadsResume(); + } + + bool Dump() { + // A minidump file contains a number of tagged streams. This is the number + // of stream which we write. + unsigned kNumWriters = 13; + + TypedMDRVA header(&minidump_writer_); + TypedMDRVA dir(&minidump_writer_); + if (!header.Allocate()) + return false; + if (!dir.AllocateArray(kNumWriters)) + return false; + my_memset(header.get(), 0, sizeof(MDRawHeader)); + + header.get()->signature = MD_HEADER_SIGNATURE; + header.get()->version = MD_HEADER_VERSION; + header.get()->time_date_stamp = time(NULL); + header.get()->stream_count = kNumWriters; + header.get()->stream_directory_rva = dir.position(); + + unsigned dir_index = 0; + MDRawDirectory dirent; + + if (!WriteThreadListStream(&dirent)) + return false; + dir.CopyIndex(dir_index++, &dirent); + + if (!WriteMappings(&dirent)) + return false; + dir.CopyIndex(dir_index++, &dirent); + + if (!WriteAppMemory()) + return false; + + if (!WriteMemoryListStream(&dirent)) + return false; + dir.CopyIndex(dir_index++, &dirent); + + if (!WriteExceptionStream(&dirent)) + return false; + dir.CopyIndex(dir_index++, &dirent); + + if (!WriteSystemInfoStream(&dirent)) + return false; + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_CPU_INFO; + if (!WriteFile(&dirent.location, "/proc/cpuinfo")) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_PROC_STATUS; + if (!WriteProcFile(&dirent.location, GetCrashThread(), "status")) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_LSB_RELEASE; + if (!WriteFile(&dirent.location, "/etc/lsb-release")) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_CMD_LINE; + if (!WriteProcFile(&dirent.location, GetCrashThread(), "cmdline")) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_ENVIRON; + if (!WriteProcFile(&dirent.location, GetCrashThread(), "environ")) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_AUXV; + if (!WriteProcFile(&dirent.location, GetCrashThread(), "auxv")) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_MAPS; + if (!WriteProcFile(&dirent.location, GetCrashThread(), "maps")) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + dirent.stream_type = MD_LINUX_DSO_DEBUG; + if (!WriteDSODebugStream(&dirent)) + NullifyDirectoryEntry(&dirent); + dir.CopyIndex(dir_index++, &dirent); + + // If you add more directory entries, don't forget to update kNumWriters, + // above. + + dumper_->ThreadsResume(); + return true; + } + + // Check if the top of the stack is part of a system call that has been + // redirected by the seccomp sandbox. If so, try to pop the stack frames + // all the way back to the point where the interception happened. + void PopSeccompStackFrame(RawContextCPU* cpu, const MDRawThread& thread, + uint8_t* stack_copy) { +#if defined(__x86_64) + uint64_t bp = cpu->rbp; + uint64_t top = thread.stack.start_of_memory_range; + for (int i = 4; i--; ) { + if (bp < top || + bp + sizeof(bp) > thread.stack.start_of_memory_range + + thread.stack.memory.data_size || + bp & 1) { + break; + } + uint64_t old_top = top; + top = bp; + uint8_t* bp_addr = stack_copy + bp - thread.stack.start_of_memory_range; + my_memcpy(&bp, bp_addr, sizeof(bp)); + if (bp == 0xDEADBEEFDEADBEEFull) { + struct { + uint64_t r15; + uint64_t r14; + uint64_t r13; + uint64_t r12; + uint64_t r11; + uint64_t r10; + uint64_t r9; + uint64_t r8; + uint64_t rdi; + uint64_t rsi; + uint64_t rdx; + uint64_t rcx; + uint64_t rbx; + uint64_t deadbeef; + uint64_t rbp; + uint64_t fakeret; + uint64_t ret; + /* char redzone[128]; */ + } seccomp_stackframe; + if (top - offsetof(typeof(seccomp_stackframe), deadbeef) < old_top || + top - offsetof(typeof(seccomp_stackframe), deadbeef) + + sizeof(seccomp_stackframe) > + thread.stack.start_of_memory_range+thread.stack.memory.data_size) { + break; + } + my_memcpy(&seccomp_stackframe, + bp_addr - offsetof(typeof(seccomp_stackframe), deadbeef), + sizeof(seccomp_stackframe)); + cpu->rbx = seccomp_stackframe.rbx; + cpu->rcx = seccomp_stackframe.rcx; + cpu->rdx = seccomp_stackframe.rdx; + cpu->rsi = seccomp_stackframe.rsi; + cpu->rdi = seccomp_stackframe.rdi; + cpu->rbp = seccomp_stackframe.rbp; + cpu->rsp = top + 4*sizeof(uint64_t) + 128; + cpu->r8 = seccomp_stackframe.r8; + cpu->r9 = seccomp_stackframe.r9; + cpu->r10 = seccomp_stackframe.r10; + cpu->r11 = seccomp_stackframe.r11; + cpu->r12 = seccomp_stackframe.r12; + cpu->r13 = seccomp_stackframe.r13; + cpu->r14 = seccomp_stackframe.r14; + cpu->r15 = seccomp_stackframe.r15; + cpu->rip = seccomp_stackframe.fakeret; + return; + } + } +#elif defined(__i386__) + uint32_t bp = cpu->ebp; + uint32_t top = thread.stack.start_of_memory_range; + for (int i = 4; i--; ) { + if (bp < top || + bp + sizeof(bp) > thread.stack.start_of_memory_range + + thread.stack.memory.data_size || + bp & 1) { + break; + } + uint32_t old_top = top; + top = bp; + uint8_t* bp_addr = stack_copy + bp - thread.stack.start_of_memory_range; + my_memcpy(&bp, bp_addr, sizeof(bp)); + if (bp == 0xDEADBEEFu) { + struct { + uint32_t edi; + uint32_t esi; + uint32_t edx; + uint32_t ecx; + uint32_t ebx; + uint32_t deadbeef; + uint32_t ebp; + uint32_t fakeret; + uint32_t ret; + } seccomp_stackframe; + if (top - offsetof(typeof(seccomp_stackframe), deadbeef) < old_top || + top - offsetof(typeof(seccomp_stackframe), deadbeef) + + sizeof(seccomp_stackframe) > + thread.stack.start_of_memory_range+thread.stack.memory.data_size) { + break; + } + my_memcpy(&seccomp_stackframe, + bp_addr - offsetof(typeof(seccomp_stackframe), deadbeef), + sizeof(seccomp_stackframe)); + cpu->ebx = seccomp_stackframe.ebx; + cpu->ecx = seccomp_stackframe.ecx; + cpu->edx = seccomp_stackframe.edx; + cpu->esi = seccomp_stackframe.esi; + cpu->edi = seccomp_stackframe.edi; + cpu->ebp = seccomp_stackframe.ebp; + cpu->esp = top + 4*sizeof(void*); + cpu->eip = seccomp_stackframe.fakeret; + return; + } + } +#endif + } + + bool FillThreadStack(MDRawThread* thread, uintptr_t stack_pointer, + int max_stack_len, uint8_t** stack_copy) { + *stack_copy = NULL; + const void* stack; + size_t stack_len; + if (dumper_->GetStackInfo(&stack, &stack_len, stack_pointer)) { + UntypedMDRVA memory(&minidump_writer_); + if (max_stack_len >= 0 && + stack_len > static_cast(max_stack_len)) { + stack_len = max_stack_len; + } + if (!memory.Allocate(stack_len)) + return false; + *stack_copy = reinterpret_cast(Alloc(stack_len)); + dumper_->CopyFromProcess(*stack_copy, thread->thread_id, stack, + stack_len); + memory.Copy(*stack_copy, stack_len); + thread->stack.start_of_memory_range = + reinterpret_cast(stack); + thread->stack.memory = memory.location(); + memory_blocks_.push_back(thread->stack); + } else { + thread->stack.start_of_memory_range = stack_pointer; + thread->stack.memory.data_size = 0; + thread->stack.memory.rva = minidump_writer_.position(); + } + return true; + } + + // Write information about the threads. + bool WriteThreadListStream(MDRawDirectory* dirent) { + const unsigned num_threads = dumper_->threads().size(); + + TypedMDRVA list(&minidump_writer_); + if (!list.AllocateObjectAndArray(num_threads, sizeof(MDRawThread))) + return false; + + dirent->stream_type = MD_THREAD_LIST_STREAM; + dirent->location = list.location(); + + *list.get() = num_threads; + + // If there's a minidump size limit, check if it might be exceeded. Since + // most of the space is filled with stack data, just check against that. + // If this expects to exceed the limit, set extra_thread_stack_len such + // that any thread beyond the first kLimitBaseThreadCount threads will + // have only kLimitMaxExtraThreadStackLen bytes dumped. + int extra_thread_stack_len = -1; // default to no maximum + if (minidump_size_limit_ >= 0) { + const unsigned estimated_total_stack_size = num_threads * + kLimitAverageThreadStackLength; + const off_t estimated_minidump_size = minidump_writer_.position() + + estimated_total_stack_size + kLimitMinidumpFudgeFactor; + if (estimated_minidump_size > minidump_size_limit_) + extra_thread_stack_len = kLimitMaxExtraThreadStackLen; + } + + for (unsigned i = 0; i < num_threads; ++i) { + MDRawThread thread; + my_memset(&thread, 0, sizeof(thread)); + thread.thread_id = dumper_->threads()[i]; + + // We have a different source of information for the crashing thread. If + // we used the actual state of the thread we would find it running in the + // signal handler with the alternative stack, which would be deeply + // unhelpful. + if (static_cast(thread.thread_id) == GetCrashThread() && + ucontext_ && + !dumper_->IsPostMortem()) { + uint8_t* stack_copy; + if (!FillThreadStack(&thread, GetStackPointer(), -1, &stack_copy)) + return false; + + // Copy 256 bytes around crashing instruction pointer to minidump. + const size_t kIPMemorySize = 256; + uint64_t ip = GetInstructionPointer(); + // Bound it to the upper and lower bounds of the memory map + // it's contained within. If it's not in mapped memory, + // don't bother trying to write it. + bool ip_is_mapped = false; + MDMemoryDescriptor ip_memory_d; + for (unsigned j = 0; j < dumper_->mappings().size(); ++j) { + const MappingInfo& mapping = *dumper_->mappings()[j]; + if (ip >= mapping.start_addr && + ip < mapping.start_addr + mapping.size) { + ip_is_mapped = true; + // Try to get 128 bytes before and after the IP, but + // settle for whatever's available. + ip_memory_d.start_of_memory_range = + std::max(mapping.start_addr, + uintptr_t(ip - (kIPMemorySize / 2))); + uintptr_t end_of_range = + std::min(uintptr_t(ip + (kIPMemorySize / 2)), + uintptr_t(mapping.start_addr + mapping.size)); + ip_memory_d.memory.data_size = + end_of_range - ip_memory_d.start_of_memory_range; + break; + } + } + + if (ip_is_mapped) { + UntypedMDRVA ip_memory(&minidump_writer_); + if (!ip_memory.Allocate(ip_memory_d.memory.data_size)) + return false; + uint8_t* memory_copy = + reinterpret_cast(Alloc(ip_memory_d.memory.data_size)); + dumper_->CopyFromProcess( + memory_copy, + thread.thread_id, + reinterpret_cast(ip_memory_d.start_of_memory_range), + ip_memory_d.memory.data_size); + ip_memory.Copy(memory_copy, ip_memory_d.memory.data_size); + ip_memory_d.memory = ip_memory.location(); + memory_blocks_.push_back(ip_memory_d); + } + + TypedMDRVA cpu(&minidump_writer_); + if (!cpu.Allocate()) + return false; + my_memset(cpu.get(), 0, sizeof(RawContextCPU)); + CPUFillFromUContext(cpu.get(), ucontext_, float_state_); + if (stack_copy) + PopSeccompStackFrame(cpu.get(), thread, stack_copy); + thread.thread_context = cpu.location(); + crashing_thread_context_ = cpu.location(); + } else { + ThreadInfo info; + if (!dumper_->GetThreadInfoByIndex(i, &info)) + return false; + + uint8_t* stack_copy; + int max_stack_len = -1; // default to no maximum for this thread + if (minidump_size_limit_ >= 0 && i >= kLimitBaseThreadCount) + max_stack_len = extra_thread_stack_len; + if (!FillThreadStack(&thread, info.stack_pointer, max_stack_len, + &stack_copy)) + return false; + + TypedMDRVA cpu(&minidump_writer_); + if (!cpu.Allocate()) + return false; + my_memset(cpu.get(), 0, sizeof(RawContextCPU)); + CPUFillFromThreadInfo(cpu.get(), info); + if (stack_copy) + PopSeccompStackFrame(cpu.get(), thread, stack_copy); + thread.thread_context = cpu.location(); + if (dumper_->threads()[i] == GetCrashThread()) { + crashing_thread_context_ = cpu.location(); + if (!dumper_->IsPostMortem()) { + // This is the crashing thread of a live process, but + // no context was provided, so set the crash address + // while the instruction pointer is already here. + dumper_->set_crash_address(GetInstructionPointer(info)); + } + } + } + + list.CopyIndexAfterObject(i, &thread, sizeof(thread)); + } + + return true; + } + + // Write application-provided memory regions. + bool WriteAppMemory() { + for (AppMemoryList::const_iterator iter = app_memory_list_.begin(); + iter != app_memory_list_.end(); + ++iter) { + uint8_t* data_copy = + reinterpret_cast(dumper_->allocator()->Alloc(iter->length)); + dumper_->CopyFromProcess(data_copy, GetCrashThread(), iter->ptr, + iter->length); + + UntypedMDRVA memory(&minidump_writer_); + if (!memory.Allocate(iter->length)) { + return false; + } + memory.Copy(data_copy, iter->length); + MDMemoryDescriptor desc; + desc.start_of_memory_range = reinterpret_cast(iter->ptr); + desc.memory = memory.location(); + memory_blocks_.push_back(desc); + } + + return true; + } + + static bool ShouldIncludeMapping(const MappingInfo& mapping) { + if (mapping.name[0] == 0 || // only want modules with filenames. + mapping.offset || // only want to include one mapping per shared lib. + mapping.size < 4096) { // too small to get a signature for. + return false; + } + + return true; + } + + // If there is caller-provided information about this mapping + // in the mapping_list_ list, return true. Otherwise, return false. + bool HaveMappingInfo(const MappingInfo& mapping) { + for (MappingList::const_iterator iter = mapping_list_.begin(); + iter != mapping_list_.end(); + ++iter) { + // Ignore any mappings that are wholly contained within + // mappings in the mapping_info_ list. + if (mapping.start_addr >= iter->first.start_addr && + (mapping.start_addr + mapping.size) <= + (iter->first.start_addr + iter->first.size)) { + return true; + } + } + return false; + } + + // Write information about the mappings in effect. Because we are using the + // minidump format, the information about the mappings is pretty limited. + // Because of this, we also include the full, unparsed, /proc/$x/maps file in + // another stream in the file. + bool WriteMappings(MDRawDirectory* dirent) { + const unsigned num_mappings = dumper_->mappings().size(); + unsigned num_output_mappings = mapping_list_.size(); + + for (unsigned i = 0; i < dumper_->mappings().size(); ++i) { + const MappingInfo& mapping = *dumper_->mappings()[i]; + if (ShouldIncludeMapping(mapping) && !HaveMappingInfo(mapping)) + num_output_mappings++; + } + + TypedMDRVA list(&minidump_writer_); + if (num_output_mappings) { + if (!list.AllocateObjectAndArray(num_output_mappings, MD_MODULE_SIZE)) + return false; + } else { + // Still create the module list stream, although it will have zero + // modules. + if (!list.Allocate()) + return false; + } + + dirent->stream_type = MD_MODULE_LIST_STREAM; + dirent->location = list.location(); + *list.get() = num_output_mappings; + + // First write all the mappings from the dumper + unsigned int j = 0; + for (unsigned i = 0; i < num_mappings; ++i) { + const MappingInfo& mapping = *dumper_->mappings()[i]; + if (!ShouldIncludeMapping(mapping) || HaveMappingInfo(mapping)) + continue; + + MDRawModule mod; + if (!FillRawModule(mapping, true, i, mod, NULL)) + return false; + list.CopyIndexAfterObject(j++, &mod, MD_MODULE_SIZE); + } + // Next write all the mappings provided by the caller + for (MappingList::const_iterator iter = mapping_list_.begin(); + iter != mapping_list_.end(); + ++iter) { + MDRawModule mod; + if (!FillRawModule(iter->first, false, 0, mod, iter->second)) + return false; + list.CopyIndexAfterObject(j++, &mod, MD_MODULE_SIZE); + } + + return true; + } + + // Fill the MDRawModule |mod| with information about the provided + // |mapping|. If |identifier| is non-NULL, use it instead of calculating + // a file ID from the mapping. + bool FillRawModule(const MappingInfo& mapping, + bool member, + unsigned int mapping_id, + MDRawModule& mod, + const uint8_t* identifier) { + my_memset(&mod, 0, MD_MODULE_SIZE); + + mod.base_of_image = mapping.start_addr; + mod.size_of_image = mapping.size; + const size_t filepath_len = my_strlen(mapping.name); + + // Figure out file name from path + const char* filename_ptr = mapping.name + filepath_len - 1; + while (filename_ptr >= mapping.name) { + if (*filename_ptr == '/') + break; + filename_ptr--; + } + filename_ptr++; + + const size_t filename_len = mapping.name + filepath_len - filename_ptr; + + uint8_t cv_buf[MDCVInfoPDB70_minsize + NAME_MAX]; + uint8_t* cv_ptr = cv_buf; + UntypedMDRVA cv(&minidump_writer_); + if (!cv.Allocate(MDCVInfoPDB70_minsize + filename_len + 1)) + return false; + + const uint32_t cv_signature = MD_CVINFOPDB70_SIGNATURE; + my_memcpy(cv_ptr, &cv_signature, sizeof(cv_signature)); + cv_ptr += sizeof(cv_signature); + uint8_t* signature = cv_ptr; + cv_ptr += sizeof(MDGUID); + if (identifier) { + // GUID was provided by caller. + my_memcpy(signature, identifier, sizeof(MDGUID)); + } else { + dumper_->ElfFileIdentifierForMapping(mapping, member, + mapping_id, signature); + } + my_memset(cv_ptr, 0, sizeof(uint32_t)); // Set age to 0 on Linux. + cv_ptr += sizeof(uint32_t); + + // Write pdb_file_name + my_memcpy(cv_ptr, filename_ptr, filename_len + 1); + cv.Copy(cv_buf, MDCVInfoPDB70_minsize + filename_len + 1); + + mod.cv_record = cv.location(); + + MDLocationDescriptor ld; + if (!minidump_writer_.WriteString(mapping.name, filepath_len, &ld)) + return false; + mod.module_name_rva = ld.rva; + return true; + } + + bool WriteMemoryListStream(MDRawDirectory* dirent) { + TypedMDRVA list(&minidump_writer_); + if (memory_blocks_.size()) { + if (!list.AllocateObjectAndArray(memory_blocks_.size(), + sizeof(MDMemoryDescriptor))) + return false; + } else { + // Still create the memory list stream, although it will have zero + // memory blocks. + if (!list.Allocate()) + return false; + } + + dirent->stream_type = MD_MEMORY_LIST_STREAM; + dirent->location = list.location(); + + *list.get() = memory_blocks_.size(); + + for (size_t i = 0; i < memory_blocks_.size(); ++i) { + list.CopyIndexAfterObject(i, &memory_blocks_[i], + sizeof(MDMemoryDescriptor)); + } + return true; + } + + bool WriteExceptionStream(MDRawDirectory* dirent) { + TypedMDRVA exc(&minidump_writer_); + if (!exc.Allocate()) + return false; + my_memset(exc.get(), 0, sizeof(MDRawExceptionStream)); + + dirent->stream_type = MD_EXCEPTION_STREAM; + dirent->location = exc.location(); + + exc.get()->thread_id = GetCrashThread(); + exc.get()->exception_record.exception_code = dumper_->crash_signal(); + exc.get()->exception_record.exception_address = dumper_->crash_address(); + exc.get()->thread_context = crashing_thread_context_; + + return true; + } + + bool WriteSystemInfoStream(MDRawDirectory* dirent) { + TypedMDRVA si(&minidump_writer_); + if (!si.Allocate()) + return false; + my_memset(si.get(), 0, sizeof(MDRawSystemInfo)); + + dirent->stream_type = MD_SYSTEM_INFO_STREAM; + dirent->location = si.location(); + + WriteCPUInformation(si.get()); + WriteOSInformation(si.get()); + + return true; + } + + bool WriteDSODebugStream(MDRawDirectory* dirent) { + ElfW(Phdr)* phdr = reinterpret_cast(dumper_->auxv()[AT_PHDR]); + char* base; + int phnum = dumper_->auxv()[AT_PHNUM]; + if (!phnum || !phdr) + return false; + + // Assume the program base is at the beginning of the same page as the PHDR + base = reinterpret_cast(reinterpret_cast(phdr) & ~0xfff); + + // Search for the program PT_DYNAMIC segment + ElfW(Addr) dyn_addr = 0; + for (; phnum >= 0; phnum--, phdr++) { + ElfW(Phdr) ph; + dumper_->CopyFromProcess(&ph, GetCrashThread(), phdr, sizeof(ph)); + // Adjust base address with the virtual address of the PT_LOAD segment + // corresponding to offset 0 + if (ph.p_type == PT_LOAD && ph.p_offset == 0) { + base -= ph.p_vaddr; + } + if (ph.p_type == PT_DYNAMIC) { + dyn_addr = ph.p_vaddr; + } + } + if (!dyn_addr) + return false; + + ElfW(Dyn) *dynamic = reinterpret_cast(dyn_addr + base); + + // The dynamic linker makes information available that helps gdb find all + // DSOs loaded into the program. If this information is indeed available, + // dump it to a MD_LINUX_DSO_DEBUG stream. + struct r_debug* r_debug = NULL; + uint32_t dynamic_length = 0; + + for (int i = 0;;) { + ElfW(Dyn) dyn; + dynamic_length += sizeof(dyn); + dumper_->CopyFromProcess(&dyn, GetCrashThread(), dynamic+i++, + sizeof(dyn)); + if (dyn.d_tag == DT_DEBUG) { + r_debug = reinterpret_cast(dyn.d_un.d_ptr); + continue; + } else if (dyn.d_tag == DT_NULL) { + break; + } + } + + // The "r_map" field of that r_debug struct contains a linked list of all + // loaded DSOs. + // Our list of DSOs potentially is different from the ones in the crashing + // process. So, we have to be careful to never dereference pointers + // directly. Instead, we use CopyFromProcess() everywhere. + // See for a more detailed discussion of the how the dynamic + // loader communicates with debuggers. + + // Count the number of loaded DSOs + int dso_count = 0; + struct r_debug debug_entry; + dumper_->CopyFromProcess(&debug_entry, GetCrashThread(), r_debug, + sizeof(debug_entry)); + for (struct link_map* ptr = debug_entry.r_map; ptr; ) { + struct link_map map; + dumper_->CopyFromProcess(&map, GetCrashThread(), ptr, sizeof(map)); + ptr = map.l_next; + dso_count++; + } + + MDRVA linkmap_rva = minidump_writer_.kInvalidMDRVA; + if (dso_count > 0) { + // If we have at least one DSO, create an array of MDRawLinkMap + // entries in the minidump file. + TypedMDRVA linkmap(&minidump_writer_); + if (!linkmap.AllocateArray(dso_count)) + return false; + linkmap_rva = linkmap.location().rva; + int idx = 0; + + // Iterate over DSOs and write their information to mini dump + for (struct link_map* ptr = debug_entry.r_map; ptr; ) { + struct link_map map; + dumper_->CopyFromProcess(&map, GetCrashThread(), ptr, sizeof(map)); + ptr = map.l_next; + char filename[257] = { 0 }; + if (map.l_name) { + dumper_->CopyFromProcess(filename, GetCrashThread(), map.l_name, + sizeof(filename) - 1); + } + MDLocationDescriptor location; + if (!minidump_writer_.WriteString(filename, 0, &location)) + return false; + MDRawLinkMap entry; + entry.name = location.rva; + entry.addr = (void*)map.l_addr; + entry.ld = (void*)map.l_ld; + linkmap.CopyIndex(idx++, &entry); + } + } + + // Write MD_LINUX_DSO_DEBUG record + TypedMDRVA debug(&minidump_writer_); + if (!debug.AllocateObjectAndArray(1, dynamic_length)) + return false; + my_memset(debug.get(), 0, sizeof(MDRawDebug)); + dirent->stream_type = MD_LINUX_DSO_DEBUG; + dirent->location = debug.location(); + + debug.get()->version = debug_entry.r_version; + debug.get()->map = linkmap_rva; + debug.get()->dso_count = dso_count; + debug.get()->brk = (void*)debug_entry.r_brk; + debug.get()->ldbase = (void*)debug_entry.r_ldbase; + debug.get()->dynamic = dynamic; + + wasteful_vector dso_debug_data(dumper_->allocator(), dynamic_length); + dumper_->CopyFromProcess(&dso_debug_data[0], GetCrashThread(), dynamic, + dynamic_length); + debug.CopyIndexAfterObject(0, &dso_debug_data[0], dynamic_length); + + return true; + } + + void set_minidump_size_limit(off_t limit) { minidump_size_limit_ = limit; } + + private: + void* Alloc(unsigned bytes) { + return dumper_->allocator()->Alloc(bytes); + } + + pid_t GetCrashThread() const { + return dumper_->crash_thread(); + } + +#if defined(__i386__) + uintptr_t GetStackPointer() { + return ucontext_->uc_mcontext.gregs[REG_ESP]; + } + + uintptr_t GetInstructionPointer() { + return ucontext_->uc_mcontext.gregs[REG_EIP]; + } + + uintptr_t GetInstructionPointer(const ThreadInfo& info) { + return info.regs.eip; + } +#elif defined(__x86_64) + uintptr_t GetStackPointer() { + return ucontext_->uc_mcontext.gregs[REG_RSP]; + } + + uintptr_t GetInstructionPointer() { + return ucontext_->uc_mcontext.gregs[REG_RIP]; + } + + uintptr_t GetInstructionPointer(const ThreadInfo& info) { + return info.regs.rip; + } +#elif defined(__ARM_EABI__) + uintptr_t GetStackPointer() { + return ucontext_->uc_mcontext.arm_sp; + } + + uintptr_t GetInstructionPointer() { + return ucontext_->uc_mcontext.arm_pc; + } + + uintptr_t GetInstructionPointer(const ThreadInfo& info) { + return info.regs.uregs[15]; + } +#else +#error "This code has not been ported to your platform yet." +#endif + + void NullifyDirectoryEntry(MDRawDirectory* dirent) { + dirent->stream_type = 0; + dirent->location.data_size = 0; + dirent->location.rva = 0; + } + +#if defined(__i386__) || defined(__x86_64__) + bool WriteCPUInformation(MDRawSystemInfo* sys_info) { + char vendor_id[sizeof(sys_info->cpu.x86_cpu_info.vendor_id) + 1] = {0}; + static const char vendor_id_name[] = "vendor_id"; + + struct CpuInfoEntry { + const char* info_name; + int value; + bool found; + } cpu_info_table[] = { + { "processor", -1, false }, + { "model", 0, false }, + { "stepping", 0, false }, + { "cpu family", 0, false }, + }; + + // processor_architecture should always be set, do this first + sys_info->processor_architecture = +#if defined(__i386__) + MD_CPU_ARCHITECTURE_X86; +#else + MD_CPU_ARCHITECTURE_AMD64; +#endif + + const int fd = sys_open("/proc/cpuinfo", O_RDONLY, 0); + if (fd < 0) + return false; + + { + PageAllocator allocator; + ProcCpuInfoReader* const reader = new(allocator) ProcCpuInfoReader(fd); + const char* field; + while (reader->GetNextField(&field)) { + for (size_t i = 0; + i < sizeof(cpu_info_table) / sizeof(cpu_info_table[0]); + i++) { + CpuInfoEntry* entry = &cpu_info_table[i]; + if (i > 0 && entry->found) { + // except for the 'processor' field, ignore repeated values. + continue; + } + if (!my_strcmp(field, entry->info_name)) { + size_t value_len; + const char* value = reader->GetValueAndLen(&value_len); + if (value_len == 0) + continue; + + uintptr_t val; + if (my_read_decimal_ptr(&val, value) == value) + continue; + + entry->value = static_cast(val); + entry->found = true; + } + } + + // special case for vendor_id + if (!my_strcmp(field, vendor_id_name)) { + size_t value_len; + const char* value = reader->GetValueAndLen(&value_len); + if (value_len > 0) + my_strlcpy(vendor_id, value, sizeof(vendor_id)); + } + } + sys_close(fd); + } + + // make sure we got everything we wanted + for (size_t i = 0; + i < sizeof(cpu_info_table) / sizeof(cpu_info_table[0]); + i++) { + if (!cpu_info_table[i].found) { + return false; + } + } + // cpu_info_table[0] holds the last cpu id listed in /proc/cpuinfo, + // assuming this is the highest id, change it to the number of CPUs + // by adding one. + cpu_info_table[0].value++; + + sys_info->number_of_processors = cpu_info_table[0].value; + sys_info->processor_level = cpu_info_table[3].value; + sys_info->processor_revision = cpu_info_table[1].value << 8 | + cpu_info_table[2].value; + + if (vendor_id[0] != '\0') { + my_memcpy(sys_info->cpu.x86_cpu_info.vendor_id, vendor_id, + sizeof(sys_info->cpu.x86_cpu_info.vendor_id)); + } + return true; + } +#elif defined(__arm__) + bool WriteCPUInformation(MDRawSystemInfo* sys_info) { + // The CPUID value is broken up in several entries in /proc/cpuinfo. + // This table is used to rebuild it from the entries. + const struct CpuIdEntry { + const char* field; + char format; + char bit_lshift; + char bit_length; + } cpu_id_entries[] = { + { "CPU implementer", 'x', 24, 8 }, + { "CPU variant", 'x', 20, 4 }, + { "CPU part", 'x', 4, 12 }, + { "CPU revision", 'd', 0, 4 }, + }; + + // The ELF hwcaps are listed in the "Features" entry as textual tags. + // This table is used to rebuild them. + const struct CpuFeaturesEntry { + const char* tag; + uint32_t hwcaps; + } cpu_features_entries[] = { + { "swp", MD_CPU_ARM_ELF_HWCAP_SWP }, + { "half", MD_CPU_ARM_ELF_HWCAP_HALF }, + { "thumb", MD_CPU_ARM_ELF_HWCAP_THUMB }, + { "26bit", MD_CPU_ARM_ELF_HWCAP_26BIT }, + { "fastmult", MD_CPU_ARM_ELF_HWCAP_FAST_MULT }, + { "fpa", MD_CPU_ARM_ELF_HWCAP_FPA }, + { "vfp", MD_CPU_ARM_ELF_HWCAP_VFP }, + { "edsp", MD_CPU_ARM_ELF_HWCAP_EDSP }, + { "java", MD_CPU_ARM_ELF_HWCAP_JAVA }, + { "iwmmxt", MD_CPU_ARM_ELF_HWCAP_IWMMXT }, + { "crunch", MD_CPU_ARM_ELF_HWCAP_CRUNCH }, + { "thumbee", MD_CPU_ARM_ELF_HWCAP_THUMBEE }, + { "neon", MD_CPU_ARM_ELF_HWCAP_NEON }, + { "vfpv3", MD_CPU_ARM_ELF_HWCAP_VFPv3 }, + { "vfpv3d16", MD_CPU_ARM_ELF_HWCAP_VFPv3D16 }, + { "tls", MD_CPU_ARM_ELF_HWCAP_TLS }, + { "vfpv4", MD_CPU_ARM_ELF_HWCAP_VFPv4 }, + { "idiva", MD_CPU_ARM_ELF_HWCAP_IDIVA }, + { "idivt", MD_CPU_ARM_ELF_HWCAP_IDIVT }, + { "idiv", MD_CPU_ARM_ELF_HWCAP_IDIVA | MD_CPU_ARM_ELF_HWCAP_IDIVT }, + }; + + // processor_architecture should always be set, do this first + sys_info->processor_architecture = MD_CPU_ARCHITECTURE_ARM; + + // /proc/cpuinfo is not readable under various sandboxed environments + // (e.g. Android services with the android:isolatedProcess attribute) + // prepare for this by setting default values now, which will be + // returned when this happens. + // + // Note: Bogus values are used to distinguish between failures (to + // read /sys and /proc files) and really badly configured kernels. + sys_info->number_of_processors = 0; + sys_info->processor_level = 1U; // There is no ARMv1 + sys_info->processor_revision = 42; + sys_info->cpu.arm_cpu_info.cpuid = 0; + sys_info->cpu.arm_cpu_info.elf_hwcaps = 0; + + // Counting the number of CPUs involves parsing two sysfs files, + // because the content of /proc/cpuinfo will only mirror the number + // of 'online' cores, and thus will vary with time. + // See http://www.kernel.org/doc/Documentation/cputopology.txt + { + CpuSet cpus_present; + CpuSet cpus_possible; + + int fd = sys_open("/sys/devices/system/cpu/present", O_RDONLY, 0); + if (fd >= 0) { + cpus_present.ParseSysFile(fd); + sys_close(fd); + + fd = sys_open("/sys/devices/system/cpu/possible", O_RDONLY, 0); + if (fd >= 0) { + cpus_possible.ParseSysFile(fd); + sys_close(fd); + + cpus_present.IntersectWith(cpus_possible); + int cpu_count = cpus_present.GetCount(); + if (cpu_count > 255) + cpu_count = 255; + sys_info->number_of_processors = static_cast(cpu_count); + } + } + } + + // Parse /proc/cpuinfo to reconstruct the CPUID value, as well + // as the ELF hwcaps field. For the latter, it would be easier to + // read /proc/self/auxv but unfortunately, this file is not always + // readable from regular Android applications on later versions + // (>= 4.1) of the Android platform. + const int fd = sys_open("/proc/cpuinfo", O_RDONLY, 0); + if (fd < 0) { + // Do not return false here to allow the minidump generation + // to happen properly. + return true; + } + + { + PageAllocator allocator; + ProcCpuInfoReader* const reader = + new(allocator) ProcCpuInfoReader(fd); + const char* field; + while (reader->GetNextField(&field)) { + for (size_t i = 0; + i < sizeof(cpu_id_entries)/sizeof(cpu_id_entries[0]); + ++i) { + const CpuIdEntry* entry = &cpu_id_entries[i]; + if (my_strcmp(entry->field, field) != 0) + continue; + uintptr_t result = 0; + const char* value = reader->GetValue(); + const char* p = value; + if (value[0] == '0' && value[1] == 'x') { + p = my_read_hex_ptr(&result, value+2); + } else if (entry->format == 'x') + p = my_read_hex_ptr(&result, value); + else + p = my_read_decimal_ptr(&result, value); + if (p == value) + continue; + + result &= (1U << entry->bit_length)-1; + result <<= entry->bit_lshift; + sys_info->cpu.arm_cpu_info.cpuid |= + static_cast(result); + } + // Get the architecture version from the "Processor" field. + // Note that it is also available in the "CPU architecture" field, + // however, some existing kernels are misconfigured and will report + // invalid values here (e.g. 6, while the CPU is ARMv7-A based). + // The "Processor" field doesn't have this issue. + if (!my_strcmp(field, "Processor")) { + unsigned value_len; + const char* value = reader->GetValueAndLen(&value_len); + // Expected format: (v) + // Where is some text like "ARMv7 Processor rev 2" + // and is a decimal corresponding to the ARM + // architecture number. is either 'l' or 'b' + // and corresponds to the endianess, it is ignored here. + while (value_len > 0 && my_isspace(value[value_len-1])) + value_len--; + + size_t nn = value_len; + while (nn > 0 && value[nn-1] != '(') + nn--; + if (nn > 0 && value[nn] == 'v') { + uintptr_t arch_level = 5; + my_read_decimal_ptr(&arch_level, value + nn + 1); + sys_info->processor_level = static_cast(arch_level); + } + } + // Rebuild the ELF hwcaps from the 'Features' field. + if (!my_strcmp(field, "Features")) { + unsigned value_len; + const char* value = reader->GetValueAndLen(&value_len); + + // Parse each space-separated tag. + while (value_len > 0) { + const char* tag = value; + size_t tag_len = value_len; + const char* p = my_strchr(tag, ' '); + if (p != NULL) { + tag_len = static_cast(p - tag); + value += tag_len + 1; + value_len -= tag_len + 1; + } else { + tag_len = strlen(tag); + value_len = 0; + } + for (size_t i = 0; + i < sizeof(cpu_features_entries)/ + sizeof(cpu_features_entries[0]); + ++i) { + const CpuFeaturesEntry* entry = &cpu_features_entries[i]; + if (tag_len == strlen(entry->tag) && + !memcmp(tag, entry->tag, tag_len)) { + sys_info->cpu.arm_cpu_info.elf_hwcaps |= entry->hwcaps; + break; + } + } + } + } + } + sys_close(fd); + } + + return true; + } +#else +# error "Unsupported CPU" +#endif + + bool WriteFile(MDLocationDescriptor* result, const char* filename) { + const int fd = sys_open(filename, O_RDONLY, 0); + if (fd < 0) + return false; + + // We can't stat the files because several of the files that we want to + // read are kernel seqfiles, which always have a length of zero. So we have + // to read as much as we can into a buffer. + static const unsigned kBufSize = 1024 - 2*sizeof(void*); + struct Buffers { + Buffers* next; + size_t len; + uint8_t data[kBufSize]; + } *buffers = reinterpret_cast(Alloc(sizeof(Buffers))); + buffers->next = NULL; + buffers->len = 0; + + size_t total = 0; + for (Buffers* bufptr = buffers;;) { + ssize_t r; + do { + r = sys_read(fd, &bufptr->data[bufptr->len], kBufSize - bufptr->len); + } while (r == -1 && errno == EINTR); + + if (r < 1) + break; + + total += r; + bufptr->len += r; + if (bufptr->len == kBufSize) { + bufptr->next = reinterpret_cast(Alloc(sizeof(Buffers))); + bufptr = bufptr->next; + bufptr->next = NULL; + bufptr->len = 0; + } + } + sys_close(fd); + + if (!total) + return false; + + UntypedMDRVA memory(&minidump_writer_); + if (!memory.Allocate(total)) + return false; + for (MDRVA pos = memory.position(); buffers; buffers = buffers->next) { + // Check for special case of a zero-length buffer. This should only + // occur if a file's size happens to be a multiple of the buffer's + // size, in which case the final sys_read() will have resulted in + // zero bytes being read after the final buffer was just allocated. + if (buffers->len == 0) { + // This can only occur with final buffer. + assert(buffers->next == NULL); + continue; + } + memory.Copy(pos, &buffers->data, buffers->len); + pos += buffers->len; + } + *result = memory.location(); + return true; + } + + bool WriteOSInformation(MDRawSystemInfo* sys_info) { +#if defined(__ANDROID__) + sys_info->platform_id = MD_OS_ANDROID; +#else + sys_info->platform_id = MD_OS_LINUX; +#endif + + struct utsname uts; + if (uname(&uts)) + return false; + + static const size_t buf_len = 512; + char buf[buf_len] = {0}; + size_t space_left = buf_len - 1; + const char* info_table[] = { + uts.sysname, + uts.release, + uts.version, + uts.machine, + NULL + }; + bool first_item = true; + for (const char** cur_info = info_table; *cur_info; cur_info++) { + static const char separator[] = " "; + size_t separator_len = sizeof(separator) - 1; + size_t info_len = my_strlen(*cur_info); + if (info_len == 0) + continue; + + if (space_left < info_len + (first_item ? 0 : separator_len)) + break; + + if (!first_item) { + my_strlcat(buf, separator, sizeof(buf)); + space_left -= separator_len; + } + + first_item = false; + my_strlcat(buf, *cur_info, sizeof(buf)); + space_left -= info_len; + } + +#ifdef __ANDROID__ + // On Android, try to get the build fingerprint and append it. + // Fail gracefully because there is no guarantee that the system + // property will always be available or accessible. + char fingerprint[PROP_VALUE_MAX]; + int fingerprint_len = __system_property_get("ro.build.fingerprint", + fingerprint); + // System property values shall always be zero-terminated. + // Be paranoid and don't trust the system. + if (fingerprint_len > 0 && fingerprint_len < PROP_VALUE_MAX) { + const char* separator = " "; + if (!first_item) + my_strlcat(buf, separator, sizeof(buf)); + my_strlcat(buf, fingerprint, sizeof(buf)); + } +#endif + + MDLocationDescriptor location; + if (!minidump_writer_.WriteString(buf, 0, &location)) + return false; + sys_info->csd_version_rva = location.rva; + + return true; + } + + bool WriteProcFile(MDLocationDescriptor* result, pid_t pid, + const char* filename) { + char buf[NAME_MAX]; + if (!dumper_->BuildProcPath(buf, pid, filename)) + return false; + return WriteFile(result, buf); + } + + // Only one of the 2 member variables below should be set to a valid value. + const int fd_; // File descriptor where the minidum should be written. + const char* path_; // Path to the file where the minidum should be written. + + const struct ucontext* const ucontext_; // also from the signal handler + const struct _libc_fpstate* const float_state_; // ditto + LinuxDumper* dumper_; + MinidumpFileWriter minidump_writer_; + off_t minidump_size_limit_; + MDLocationDescriptor crashing_thread_context_; + // Blocks of memory written to the dump. These are all currently + // written while writing the thread list stream, but saved here + // so a memory list stream can be written afterwards. + wasteful_vector memory_blocks_; + // Additional information about some mappings provided by the caller. + const MappingList& mapping_list_; + // Additional memory regions to be included in the dump, + // provided by the caller. + const AppMemoryList& app_memory_list_; +}; + + +bool WriteMinidumpImpl(const char* minidump_path, + int minidump_fd, + off_t minidump_size_limit, + pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appmem) { + LinuxPtraceDumper dumper(crashing_process); + const ExceptionHandler::CrashContext* context = NULL; + if (blob) { + if (blob_size != sizeof(ExceptionHandler::CrashContext)) + return false; + context = reinterpret_cast(blob); + dumper.set_crash_address( + reinterpret_cast(context->siginfo.si_addr)); + dumper.set_crash_signal(context->siginfo.si_signo); + dumper.set_crash_thread(context->tid); + } + MinidumpWriter writer(minidump_path, minidump_fd, context, mappings, + appmem, &dumper); + // Set desired limit for file size of minidump (-1 means no limit). + writer.set_minidump_size_limit(minidump_size_limit); + if (!writer.Init()) + return false; + return writer.Dump(); +} + +} // namespace + +namespace google_breakpad { + +bool WriteMinidump(const char* minidump_path, pid_t crashing_process, + const void* blob, size_t blob_size) { + return WriteMinidumpImpl(minidump_path, -1, -1, + crashing_process, blob, blob_size, + MappingList(), AppMemoryList()); +} + +bool WriteMinidump(int minidump_fd, pid_t crashing_process, + const void* blob, size_t blob_size) { + return WriteMinidumpImpl(NULL, minidump_fd, -1, + crashing_process, blob, blob_size, + MappingList(), AppMemoryList()); +} + +bool WriteMinidump(const char* minidump_path, pid_t process, + pid_t process_blamed_thread) { + LinuxPtraceDumper dumper(process); + // MinidumpWriter will set crash address + dumper.set_crash_signal(MD_EXCEPTION_CODE_LIN_DUMP_REQUESTED); + dumper.set_crash_thread(process_blamed_thread); + MinidumpWriter writer(minidump_path, -1, NULL, MappingList(), + AppMemoryList(), &dumper); + if (!writer.Init()) + return false; + return writer.Dump(); +} + +bool WriteMinidump(const char* minidump_path, pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appmem) { + return WriteMinidumpImpl(minidump_path, -1, -1, crashing_process, + blob, blob_size, + mappings, appmem); +} + +bool WriteMinidump(int minidump_fd, pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appmem) { + return WriteMinidumpImpl(NULL, minidump_fd, -1, crashing_process, + blob, blob_size, + mappings, appmem); +} + +bool WriteMinidump(const char* minidump_path, off_t minidump_size_limit, + pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appmem) { + return WriteMinidumpImpl(minidump_path, -1, minidump_size_limit, + crashing_process, blob, blob_size, + mappings, appmem); +} + +bool WriteMinidump(int minidump_fd, off_t minidump_size_limit, + pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appmem) { + return WriteMinidumpImpl(NULL, minidump_fd, minidump_size_limit, + crashing_process, blob, blob_size, + mappings, appmem); +} + +bool WriteMinidump(const char* filename, + const MappingList& mappings, + const AppMemoryList& appmem, + LinuxDumper* dumper) { + MinidumpWriter writer(filename, -1, NULL, mappings, appmem, dumper); + if (!writer.Init()) + return false; + return writer.Dump(); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/minidump_writer/minidump_writer.h b/google-breakpad/src/client/linux/minidump_writer/minidump_writer.h new file mode 100644 index 0000000..c9e150a --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/minidump_writer.h @@ -0,0 +1,125 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_ + +#include +#include +#include + +#include +#include + +#include "client/linux/minidump_writer/linux_dumper.h" +#include "google_breakpad/common/minidump_format.h" + +namespace google_breakpad { + +class ExceptionHandler; + +struct MappingEntry { + MappingInfo first; + uint8_t second[sizeof(MDGUID)]; +}; + +// A list of +typedef std::list MappingList; + +// These entries store a list of memory regions that the client wants included +// in the minidump. +struct AppMemory { + void* ptr; + size_t length; + + bool operator==(const struct AppMemory& other) const { + return ptr == other.ptr; + } + + bool operator==(const void* other) const { + return ptr == other; + } +}; +typedef std::list AppMemoryList; + +// Writes a minidump to the filesystem. These functions do not malloc nor use +// libc functions which may. Thus, it can be used in contexts where the state +// of the heap may be corrupt. +// minidump_path: the path to the file to write to. This is opened O_EXCL and +// fails open fails. +// crashing_process: the pid of the crashing process. This must be trusted. +// blob: a blob of data from the crashing process. See exception_handler.h +// blob_size: the length of |blob|, in bytes +// +// Returns true iff successful. +bool WriteMinidump(const char* minidump_path, pid_t crashing_process, + const void* blob, size_t blob_size); +// Same as above but takes an open file descriptor instead of a path. +bool WriteMinidump(int minidump_fd, pid_t crashing_process, + const void* blob, size_t blob_size); + +// Alternate form of WriteMinidump() that works with processes that +// are not expected to have crashed. If |process_blamed_thread| is +// meaningful, it will be the one from which a crash signature is +// extracted. It is not expected that this function will be called +// from a compromised context, but it is safe to do so. +bool WriteMinidump(const char* minidump_path, pid_t process, + pid_t process_blamed_thread); + +// These overloads also allow passing a list of known mappings and +// a list of additional memory regions to be included in the minidump. +bool WriteMinidump(const char* minidump_path, pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appdata); +bool WriteMinidump(int minidump_fd, pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appdata); + +// These overloads also allow passing a file size limit for the minidump. +bool WriteMinidump(const char* minidump_path, off_t minidump_size_limit, + pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appdata); +bool WriteMinidump(int minidump_fd, off_t minidump_size_limit, + pid_t crashing_process, + const void* blob, size_t blob_size, + const MappingList& mappings, + const AppMemoryList& appdata); + +bool WriteMinidump(const char* filename, + const MappingList& mappings, + const AppMemoryList& appdata, + LinuxDumper* dumper); + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc b/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc new file mode 100644 index 0000000..7d6b866 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc @@ -0,0 +1,757 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "breakpad_googletest_includes.h" +#include "client/linux/handler/exception_handler.h" +#include "client/linux/minidump_writer/linux_dumper.h" +#include "client/linux/minidump_writer/minidump_writer.h" +#include "client/linux/minidump_writer/minidump_writer_unittest_utils.h" +#include "common/linux/eintr_wrapper.h" +#include "common/linux/file_id.h" +#include "common/linux/ignore_ret.h" +#include "common/linux/safe_readlink.h" +#include "common/scoped_ptr.h" +#include "common/tests/auto_tempdir.h" +#include "common/tests/file_utils.h" +#include "common/using_std_string.h" +#include "google_breakpad/processor/minidump.h" + +using namespace google_breakpad; + +// Length of a formatted GUID string = +// sizeof(MDGUID) * 2 + 4 (for dashes) + 1 (null terminator) +const int kGUIDStringSize = 37; + +namespace { + +typedef testing::Test MinidumpWriterTest; + +const char kMDWriterUnitTestFileName[] = "/minidump-writer-unittest"; + +TEST(MinidumpWriterTest, SetupWithPath) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + char b; + IGNORE_RET(HANDLE_EINTR(read(fds[0], &b, sizeof(b)))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + ExceptionHandler::CrashContext context; + memset(&context, 0, sizeof(context)); + + AutoTempDir temp_dir; + string templ = temp_dir.path() + kMDWriterUnitTestFileName; + // Set a non-zero tid to avoid tripping asserts. + context.tid = 1; + ASSERT_TRUE(WriteMinidump(templ.c_str(), child, &context, sizeof(context))); + struct stat st; + ASSERT_EQ(0, stat(templ.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + + close(fds[1]); +} + +TEST(MinidumpWriterTest, SetupWithFD) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + char b; + HANDLE_EINTR(read(fds[0], &b, sizeof(b))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + ExceptionHandler::CrashContext context; + memset(&context, 0, sizeof(context)); + + AutoTempDir temp_dir; + string templ = temp_dir.path() + kMDWriterUnitTestFileName; + int fd = open(templ.c_str(), O_CREAT | O_WRONLY, S_IRWXU); + // Set a non-zero tid to avoid tripping asserts. + context.tid = 1; + ASSERT_TRUE(WriteMinidump(fd, child, &context, sizeof(context))); + struct stat st; + ASSERT_EQ(0, stat(templ.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + + close(fds[1]); +} + +// Test that mapping info can be specified when writing a minidump, +// and that it ends up in the module list of the minidump. +TEST(MinidumpWriterTest, MappingInfo) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + // These are defined here so the parent can use them to check the + // data from the minidump afterwards. + const uint32_t memory_size = sysconf(_SC_PAGESIZE); + const char* kMemoryName = "a fake module"; + const uint8_t kModuleGUID[sizeof(MDGUID)] = { + 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF + }; + char module_identifier_buffer[kGUIDStringSize]; + FileID::ConvertIdentifierToString(kModuleGUID, + module_identifier_buffer, + sizeof(module_identifier_buffer)); + string module_identifier(module_identifier_buffer); + // Strip out dashes + size_t pos; + while ((pos = module_identifier.find('-')) != string::npos) { + module_identifier.erase(pos, 1); + } + // And append a zero, because module IDs include an "age" field + // which is always zero on Linux. + module_identifier += "0"; + + // Get some memory. + char* memory = + reinterpret_cast(mmap(NULL, + memory_size, + PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, + -1, + 0)); + const uintptr_t kMemoryAddress = reinterpret_cast(memory); + ASSERT_TRUE(memory); + + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + char b; + IGNORE_RET(HANDLE_EINTR(read(fds[0], &b, sizeof(b)))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + ExceptionHandler::CrashContext context; + memset(&context, 0, sizeof(context)); + ASSERT_EQ(0, getcontext(&context.context)); + context.tid = child; + + AutoTempDir temp_dir; + string templ = temp_dir.path() + kMDWriterUnitTestFileName; + + // Add information about the mapped memory. + MappingInfo info; + info.start_addr = kMemoryAddress; + info.size = memory_size; + info.offset = 0; + strcpy(info.name, kMemoryName); + + MappingList mappings; + AppMemoryList memory_list; + MappingEntry mapping; + mapping.first = info; + memcpy(mapping.second, kModuleGUID, sizeof(MDGUID)); + mappings.push_back(mapping); + ASSERT_TRUE(WriteMinidump(templ.c_str(), child, &context, sizeof(context), + mappings, memory_list)); + + // Read the minidump. Load the module list, and ensure that + // the mmap'ed |memory| is listed with the given module name + // and debug ID. + Minidump minidump(templ); + ASSERT_TRUE(minidump.Read()); + + MinidumpModuleList* module_list = minidump.GetModuleList(); + ASSERT_TRUE(module_list); + const MinidumpModule* module = + module_list->GetModuleForAddress(kMemoryAddress); + ASSERT_TRUE(module); + + EXPECT_EQ(kMemoryAddress, module->base_address()); + EXPECT_EQ(memory_size, module->size()); + EXPECT_EQ(kMemoryName, module->code_file()); + EXPECT_EQ(module_identifier, module->debug_identifier()); + + uint32_t len; + // These streams are expected to be there + EXPECT_TRUE(minidump.SeekToStreamType(MD_THREAD_LIST_STREAM, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_MEMORY_LIST_STREAM, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_EXCEPTION_STREAM, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_SYSTEM_INFO_STREAM, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_LINUX_CPU_INFO, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_LINUX_PROC_STATUS, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_LINUX_CMD_LINE, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_LINUX_ENVIRON, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_LINUX_AUXV, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_LINUX_MAPS, &len)); + EXPECT_TRUE(minidump.SeekToStreamType(MD_LINUX_DSO_DEBUG, &len)); + + close(fds[1]); +} + +// Test that mapping info can be specified, and that it overrides +// existing mappings that are wholly contained within the specified +// range. +TEST(MinidumpWriterTest, MappingInfoContained) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + // These are defined here so the parent can use them to check the + // data from the minidump afterwards. + const int32_t memory_size = sysconf(_SC_PAGESIZE); + const char* kMemoryName = "a fake module"; + const uint8_t kModuleGUID[sizeof(MDGUID)] = { + 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF + }; + char module_identifier_buffer[kGUIDStringSize]; + FileID::ConvertIdentifierToString(kModuleGUID, + module_identifier_buffer, + sizeof(module_identifier_buffer)); + string module_identifier(module_identifier_buffer); + // Strip out dashes + size_t pos; + while ((pos = module_identifier.find('-')) != string::npos) { + module_identifier.erase(pos, 1); + } + // And append a zero, because module IDs include an "age" field + // which is always zero on Linux. + module_identifier += "0"; + + // mmap a file + AutoTempDir temp_dir; + string tempfile = temp_dir.path() + "/minidump-writer-unittest-temp"; + int fd = open(tempfile.c_str(), O_RDWR | O_CREAT, 0); + ASSERT_NE(-1, fd); + unlink(tempfile.c_str()); + // fill with zeros + google_breakpad::scoped_array buffer(new char[memory_size]); + memset(buffer.get(), 0, memory_size); + ASSERT_EQ(memory_size, write(fd, buffer.get(), memory_size)); + lseek(fd, 0, SEEK_SET); + + char* memory = + reinterpret_cast(mmap(NULL, + memory_size, + PROT_READ | PROT_WRITE, + MAP_PRIVATE, + fd, + 0)); + const uintptr_t kMemoryAddress = reinterpret_cast(memory); + ASSERT_TRUE(memory); + close(fd); + + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + char b; + IGNORE_RET(HANDLE_EINTR(read(fds[0], &b, sizeof(b)))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + ExceptionHandler::CrashContext context; + memset(&context, 0, sizeof(context)); + context.tid = 1; + + string dumpfile = temp_dir.path() + kMDWriterUnitTestFileName; + + // Add information about the mapped memory. Report it as being larger than + // it actually is. + MappingInfo info; + info.start_addr = kMemoryAddress - memory_size; + info.size = memory_size * 3; + info.offset = 0; + strcpy(info.name, kMemoryName); + + MappingList mappings; + AppMemoryList memory_list; + MappingEntry mapping; + mapping.first = info; + memcpy(mapping.second, kModuleGUID, sizeof(MDGUID)); + mappings.push_back(mapping); + ASSERT_TRUE(WriteMinidump(dumpfile.c_str(), child, &context, sizeof(context), + mappings, memory_list)); + + // Read the minidump. Load the module list, and ensure that + // the mmap'ed |memory| is listed with the given module name + // and debug ID. + Minidump minidump(dumpfile); + ASSERT_TRUE(minidump.Read()); + + MinidumpModuleList* module_list = minidump.GetModuleList(); + ASSERT_TRUE(module_list); + const MinidumpModule* module = + module_list->GetModuleForAddress(kMemoryAddress); + ASSERT_TRUE(module); + + EXPECT_EQ(info.start_addr, module->base_address()); + EXPECT_EQ(info.size, module->size()); + EXPECT_EQ(kMemoryName, module->code_file()); + EXPECT_EQ(module_identifier, module->debug_identifier()); + + close(fds[1]); +} + +TEST(MinidumpWriterTest, DeletedBinary) { + const string kNumberOfThreadsArgument = "1"; + const string helper_path(GetHelperBinary()); + if (helper_path.empty()) { + FAIL() << "Couldn't find helper binary"; + exit(1); + } + + // Copy binary to a temp file. + AutoTempDir temp_dir; + string binpath = temp_dir.path() + "/linux-dumper-unittest-helper"; + ASSERT_TRUE(CopyFile(helper_path.c_str(), binpath.c_str())) + << "Failed to copy " << helper_path << " to " << binpath; + ASSERT_EQ(0, chmod(binpath.c_str(), 0755)); + + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + pid_t child_pid = fork(); + if (child_pid == 0) { + // In child process. + close(fds[0]); + + // Pass the pipe fd and the number of threads as arguments. + char pipe_fd_string[8]; + sprintf(pipe_fd_string, "%d", fds[1]); + execl(binpath.c_str(), + binpath.c_str(), + pipe_fd_string, + kNumberOfThreadsArgument.c_str(), + NULL); + } + close(fds[1]); + // Wait for the child process to signal that it's ready. + struct pollfd pfd; + memset(&pfd, 0, sizeof(pfd)); + pfd.fd = fds[0]; + pfd.events = POLLIN | POLLERR; + + const int r = HANDLE_EINTR(poll(&pfd, 1, 1000)); + ASSERT_EQ(1, r); + ASSERT_TRUE(pfd.revents & POLLIN); + uint8_t junk; + const int nr = HANDLE_EINTR(read(fds[0], &junk, sizeof(junk))); + ASSERT_EQ(static_cast(sizeof(junk)), nr); + close(fds[0]); + + // Child is ready now. + // Unlink the test binary. + unlink(binpath.c_str()); + + ExceptionHandler::CrashContext context; + memset(&context, 0, sizeof(context)); + + string templ = temp_dir.path() + kMDWriterUnitTestFileName; + // Set a non-zero tid to avoid tripping asserts. + context.tid = 1; + ASSERT_TRUE(WriteMinidump(templ.c_str(), child_pid, &context, + sizeof(context))); + kill(child_pid, SIGKILL); + + struct stat st; + ASSERT_EQ(0, stat(templ.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + + Minidump minidump(templ); + ASSERT_TRUE(minidump.Read()); + + // Check that the main module filename is correct. + MinidumpModuleList* module_list = minidump.GetModuleList(); + ASSERT_TRUE(module_list); + const MinidumpModule* module = module_list->GetMainModule(); + EXPECT_STREQ(binpath.c_str(), module->code_file().c_str()); + // Check that the file ID is correct. + FileID fileid(helper_path.c_str()); + uint8_t identifier[sizeof(MDGUID)]; + EXPECT_TRUE(fileid.ElfFileIdentifier(identifier)); + char identifier_string[kGUIDStringSize]; + FileID::ConvertIdentifierToString(identifier, + identifier_string, + kGUIDStringSize); + string module_identifier(identifier_string); + // Strip out dashes + size_t pos; + while ((pos = module_identifier.find('-')) != string::npos) { + module_identifier.erase(pos, 1); + } + // And append a zero, because module IDs include an "age" field + // which is always zero on Linux. + module_identifier += "0"; + EXPECT_EQ(module_identifier, module->debug_identifier()); +} + +// Test that an additional memory region can be added to the minidump. +TEST(MinidumpWriterTest, AdditionalMemory) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + // These are defined here so the parent can use them to check the + // data from the minidump afterwards. + const uint32_t kMemorySize = sysconf(_SC_PAGESIZE); + + // Get some heap memory. + uint8_t* memory = new uint8_t[kMemorySize]; + const uintptr_t kMemoryAddress = reinterpret_cast(memory); + ASSERT_TRUE(memory); + + // Stick some data into the memory so the contents can be verified. + for (uint32_t i = 0; i < kMemorySize; ++i) { + memory[i] = i % 255; + } + + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + char b; + HANDLE_EINTR(read(fds[0], &b, sizeof(b))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + ExceptionHandler::CrashContext context; + + // This needs a valid context for minidump writing to work, but getting + // a useful one from the child is too much work, so just use one from + // the parent since the child is just a forked copy anyway. + ASSERT_EQ(0, getcontext(&context.context)); + context.tid = child; + + AutoTempDir temp_dir; + string templ = temp_dir.path() + kMDWriterUnitTestFileName; + unlink(templ.c_str()); + + MappingList mappings; + AppMemoryList memory_list; + + // Add the memory region to the list of memory to be included. + AppMemory app_memory; + app_memory.ptr = memory; + app_memory.length = kMemorySize; + memory_list.push_back(app_memory); + ASSERT_TRUE(WriteMinidump(templ.c_str(), child, &context, sizeof(context), + mappings, memory_list)); + + // Read the minidump. Ensure that the memory region is present + Minidump minidump(templ); + ASSERT_TRUE(minidump.Read()); + + MinidumpMemoryList* dump_memory_list = minidump.GetMemoryList(); + ASSERT_TRUE(dump_memory_list); + const MinidumpMemoryRegion* region = + dump_memory_list->GetMemoryRegionForAddress(kMemoryAddress); + ASSERT_TRUE(region); + + EXPECT_EQ(kMemoryAddress, region->GetBase()); + EXPECT_EQ(kMemorySize, region->GetSize()); + + // Verify memory contents. + EXPECT_EQ(0, memcmp(region->GetMemory(), memory, kMemorySize)); + + delete[] memory; + close(fds[1]); +} + +// Test that an invalid thread stack pointer still results in a minidump. +TEST(MinidumpWriterTest, InvalidStackPointer) { + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + const pid_t child = fork(); + if (child == 0) { + close(fds[1]); + char b; + HANDLE_EINTR(read(fds[0], &b, sizeof(b))); + close(fds[0]); + syscall(__NR_exit); + } + close(fds[0]); + + ExceptionHandler::CrashContext context; + + // This needs a valid context for minidump writing to work, but getting + // a useful one from the child is too much work, so just use one from + // the parent since the child is just a forked copy anyway. + ASSERT_EQ(0, getcontext(&context.context)); + context.tid = child; + + // Fake the child's stack pointer for its crashing thread. NOTE: This must + // be an invalid memory address for the child process (stack or otherwise). +#if defined(__i386) + // Try 1MB below the current stack. + uintptr_t invalid_stack_pointer = + reinterpret_cast(&context) - 1024*1024; + context.context.uc_mcontext.gregs[REG_ESP] = invalid_stack_pointer; +#elif defined(__x86_64) + // Try 1MB below the current stack. + uintptr_t invalid_stack_pointer = + reinterpret_cast(&context) - 1024*1024; + context.context.uc_mcontext.gregs[REG_RSP] = invalid_stack_pointer; +#elif defined(__ARM_EABI__) + // Try 1MB below the current stack. + uintptr_t invalid_stack_pointer = + reinterpret_cast(&context) - 1024*1024; + context.context.uc_mcontext.arm_sp = invalid_stack_pointer; +#else +# error "This code has not been ported to your platform yet." +#endif + + AutoTempDir temp_dir; + string templ = temp_dir.path() + kMDWriterUnitTestFileName; + // NOTE: In previous versions of Breakpad, WriteMinidump() would fail if + // presented with an invalid stack pointer. + ASSERT_TRUE(WriteMinidump(templ.c_str(), child, &context, sizeof(context))); + + // Read the minidump. Ensure that the memory region is present + Minidump minidump(templ); + ASSERT_TRUE(minidump.Read()); + + // TODO(ted.mielczarek,mkrebs): Enable this part of the test once + // https://breakpad.appspot.com/413002/ is committed. +#if 0 + // Make sure there's a thread without a stack. NOTE: It's okay if + // GetThreadList() shows the error: "ERROR: MinidumpThread has a memory + // region problem". + MinidumpThreadList* dump_thread_list = minidump.GetThreadList(); + ASSERT_TRUE(dump_thread_list); + bool found_empty_stack = false; + for (int i = 0; i < dump_thread_list->thread_count(); i++) { + MinidumpThread* thread = dump_thread_list->GetThreadAtIndex(i); + ASSERT_TRUE(thread->thread() != NULL); + // When the stack size is zero bytes, GetMemory() returns NULL. + if (thread->GetMemory() == NULL) { + found_empty_stack = true; + break; + } + } + // NOTE: If you fail this, first make sure that "invalid_stack_pointer" + // above is indeed set to an invalid address. + ASSERT_TRUE(found_empty_stack); +#endif + + close(fds[1]); +} + +// Test that limiting the size of the minidump works. +TEST(MinidumpWriterTest, MinidumpSizeLimit) { + static const int kNumberOfThreadsInHelperProgram = 40; + + char number_of_threads_arg[3]; + sprintf(number_of_threads_arg, "%d", kNumberOfThreadsInHelperProgram); + + string helper_path(GetHelperBinary()); + if (helper_path.empty()) { + FAIL() << "Couldn't find helper binary"; + exit(1); + } + + int fds[2]; + ASSERT_NE(-1, pipe(fds)); + + pid_t child_pid = fork(); + if (child_pid == 0) { + // In child process. + close(fds[0]); + + // Pass the pipe fd and the number of threads as arguments. + char pipe_fd_string[8]; + sprintf(pipe_fd_string, "%d", fds[1]); + execl(helper_path.c_str(), + helper_path.c_str(), + pipe_fd_string, + number_of_threads_arg, + NULL); + } + close(fds[1]); + + // Wait for all child threads to indicate that they have started + for (int threads = 0; threads < kNumberOfThreadsInHelperProgram; threads++) { + struct pollfd pfd; + memset(&pfd, 0, sizeof(pfd)); + pfd.fd = fds[0]; + pfd.events = POLLIN | POLLERR; + + const int r = HANDLE_EINTR(poll(&pfd, 1, 1000)); + ASSERT_EQ(1, r); + ASSERT_TRUE(pfd.revents & POLLIN); + uint8_t junk; + ASSERT_EQ(read(fds[0], &junk, sizeof(junk)), + static_cast(sizeof(junk))); + } + close(fds[0]); + + // There is a race here because we may stop a child thread before + // it is actually running the busy loop. Empirically this sleep + // is sufficient to avoid the race. + usleep(100000); + + // Child and its threads are ready now. + + + off_t normal_file_size; + int total_normal_stack_size = 0; + AutoTempDir temp_dir; + + // First, write a minidump with no size limit. + { + string normal_dump = temp_dir.path() + + "/minidump-writer-unittest.dmp"; + ASSERT_TRUE(WriteMinidump(normal_dump.c_str(), -1, + child_pid, NULL, 0, + MappingList(), AppMemoryList())); + struct stat st; + ASSERT_EQ(0, stat(normal_dump.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + normal_file_size = st.st_size; + + Minidump minidump(normal_dump); + ASSERT_TRUE(minidump.Read()); + MinidumpThreadList* dump_thread_list = minidump.GetThreadList(); + ASSERT_TRUE(dump_thread_list); + for (unsigned int i = 0; i < dump_thread_list->thread_count(); i++) { + MinidumpThread* thread = dump_thread_list->GetThreadAtIndex(i); + ASSERT_TRUE(thread->thread() != NULL); + // When the stack size is zero bytes, GetMemory() returns NULL. + MinidumpMemoryRegion* memory = thread->GetMemory(); + ASSERT_TRUE(memory != NULL); + total_normal_stack_size += memory->GetSize(); + } + } + + // Second, write a minidump with a size limit big enough to not trigger + // anything. + { + // Set size limit arbitrarily 1MB larger than the normal file size -- such + // that the limiting code will not kick in. + const off_t minidump_size_limit = normal_file_size + 1024*1024; + + string same_dump = temp_dir.path() + + "/minidump-writer-unittest-same.dmp"; + ASSERT_TRUE(WriteMinidump(same_dump.c_str(), minidump_size_limit, + child_pid, NULL, 0, + MappingList(), AppMemoryList())); + struct stat st; + ASSERT_EQ(0, stat(same_dump.c_str(), &st)); + // Make sure limiting wasn't actually triggered. NOTE: If you fail this, + // first make sure that "minidump_size_limit" above is indeed set to a + // large enough value -- the limit-checking code in minidump_writer.cc + // does just a rough estimate. + ASSERT_EQ(normal_file_size, st.st_size); + } + + // Third, write a minidump with a size limit small enough to be triggered. + { + // Set size limit to some arbitrary amount, such that the limiting code + // will kick in. The equation used to set this value was determined by + // simply reversing the size-limit logic a little bit in order to pick a + // size we know will trigger it. The definition of + // kLimitAverageThreadStackLength here was copied from class + // MinidumpWriter in minidump_writer.cc. + static const unsigned kLimitAverageThreadStackLength = 8 * 1024; + off_t minidump_size_limit = kNumberOfThreadsInHelperProgram * + kLimitAverageThreadStackLength; + // If, in reality, each of the threads' stack is *smaller* than + // kLimitAverageThreadStackLength, the normal file size could very well be + // smaller than the arbitrary limit that was just set. In that case, + // either of these numbers should trigger the size-limiting code, but we + // might as well pick the smallest. + if (normal_file_size < minidump_size_limit) + minidump_size_limit = normal_file_size; + + string limit_dump = temp_dir.path() + + "/minidump-writer-unittest-limit.dmp"; + ASSERT_TRUE(WriteMinidump(limit_dump.c_str(), minidump_size_limit, + child_pid, NULL, 0, + MappingList(), AppMemoryList())); + struct stat st; + ASSERT_EQ(0, stat(limit_dump.c_str(), &st)); + ASSERT_GT(st.st_size, 0); + // Make sure the file size is at least smaller than the original. If this + // fails because it's the same size, then the size-limit logic didn't kick + // in like it was supposed to. + EXPECT_LT(st.st_size, normal_file_size); + + Minidump minidump(limit_dump); + ASSERT_TRUE(minidump.Read()); + MinidumpThreadList* dump_thread_list = minidump.GetThreadList(); + ASSERT_TRUE(dump_thread_list); + int total_limit_stack_size = 0; + for (unsigned int i = 0; i < dump_thread_list->thread_count(); i++) { + MinidumpThread* thread = dump_thread_list->GetThreadAtIndex(i); + ASSERT_TRUE(thread->thread() != NULL); + // When the stack size is zero bytes, GetMemory() returns NULL. + MinidumpMemoryRegion* memory = thread->GetMemory(); + ASSERT_TRUE(memory != NULL); + total_limit_stack_size += memory->GetSize(); + } + + // Make sure stack size shrunk by at least 1KB per extra thread. The + // definition of kLimitBaseThreadCount here was copied from class + // MinidumpWriter in minidump_writer.cc. + // Note: The 1KB is arbitrary, and assumes that the thread stacks are big + // enough to shrink by that much. For example, if each thread stack was + // originally only 2KB, the current size-limit logic wouldn't actually + // shrink them because that's the size to which it tries to shrink. If + // you fail this part of the test due to something like that, the test + // logic should probably be improved to account for your situation. + const unsigned kLimitBaseThreadCount = 20; + const unsigned kMinPerExtraThreadStackReduction = 1024; + const int min_expected_reduction = (kNumberOfThreadsInHelperProgram - + kLimitBaseThreadCount) * kMinPerExtraThreadStackReduction; + EXPECT_LT(total_limit_stack_size, + total_normal_stack_size - min_expected_reduction); + } + + // Kill the helper program. + kill(child_pid, SIGKILL); +} + +} // namespace diff --git a/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc b/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc new file mode 100644 index 0000000..9f46fa6 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc @@ -0,0 +1,66 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// minidump_writer_unittest_utils.cc: +// Shared routines used by unittests under client/linux/minidump_writer. + +#include +#include + +#include "client/linux/minidump_writer/minidump_writer_unittest_utils.h" +#include "common/linux/safe_readlink.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +string GetHelperBinary() { + string helper_path; + char *bindir = getenv("bindir"); + if (bindir) { + helper_path = string(bindir) + "/"; + } else { + // Locate helper binary next to the current binary. + char self_path[PATH_MAX]; + if (!SafeReadLink("/proc/self/exe", self_path)) { + return ""; + } + helper_path = string(self_path); + size_t pos = helper_path.rfind('/'); + if (pos == string::npos) { + return ""; + } + helper_path.erase(pos + 1); + } + + helper_path += "linux_dumper_unittest_helper"; + + return helper_path; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.h b/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.h new file mode 100644 index 0000000..f16cc08 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.h @@ -0,0 +1,49 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// minidump_writer_unittest_utils.h: +// Shared routines used by unittests under client/linux/minidump_writer. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_UNITTEST_UTILS_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_UNITTEST_UTILS_H_ + +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +// Returns the full path to linux_dumper_unittest_helper. The full path is +// discovered either by using the environment variable "bindir" or by using +// the location of the main module of the currently running process. +string GetHelperBinary(); + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_UNITTEST_UTILS_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h b/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h new file mode 100644 index 0000000..d9461bf --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader.h @@ -0,0 +1,130 @@ +// Copyright (c) 2013, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CLIENT_LINUX_MINIDUMP_WRITER_PROC_CPUINFO_READER_H_ +#define CLIENT_LINUX_MINIDUMP_WRITER_PROC_CPUINFO_READER_H_ + +#include +#include +#include + +#include "client/linux/minidump_writer/line_reader.h" +#include "common/linux/linux_libc_support.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +// A class for reading /proc/cpuinfo without using fopen/fgets or other +// functions which may allocate memory. +class ProcCpuInfoReader { +public: + ProcCpuInfoReader(int fd) + : line_reader_(fd), pop_count_(-1) { + } + + // Return the next field name, or NULL in case of EOF. + // field: (output) Pointer to zero-terminated field name. + // Returns true on success, or false on EOF or error (line too long). + bool GetNextField(const char** field) { + for (;;) { + const char* line; + unsigned line_len; + + // Try to read next line. + if (pop_count_ >= 0) { + line_reader_.PopLine(pop_count_); + pop_count_ = -1; + } + + if (!line_reader_.GetNextLine(&line, &line_len)) + return false; + + pop_count_ = static_cast(line_len); + + const char* line_end = line + line_len; + + // Expected format: + ':' + // Note that: + // - empty lines happen. + // - can contain spaces. + // - some fields have an empty + char* sep = static_cast(my_memchr(line, ':', line_len)); + if (sep == NULL) + continue; + + // Record the value. Skip leading space after the column to get + // its start. + const char* val = sep+1; + while (val < line_end && my_isspace(*val)) + val++; + + value_ = val; + value_len_ = static_cast(line_end - val); + + // Remove trailing spaces before the column to properly 0-terminate + // the field name. + while (sep > line && my_isspace(sep[-1])) + sep--; + + if (sep == line) + continue; + + // zero-terminate field name. + *sep = '\0'; + + *field = line; + return true; + } + } + + // Return the field value. This must be called after a succesful + // call to GetNextField(). + const char* GetValue() { + assert(value_); + return value_; + } + + // Same as GetValue(), but also returns the length in characters of + // the value. + const char* GetValueAndLen(size_t* length) { + assert(value_); + *length = value_len_; + return value_; + } + +private: + LineReader line_reader_; + int pop_count_; + const char* value_; + size_t value_len_; +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_MINIDUMP_WRITER_PROC_CPUINFO_READER_H_ diff --git a/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc b/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc new file mode 100644 index 0000000..1f7d0a7 --- /dev/null +++ b/google-breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc @@ -0,0 +1,200 @@ +// Copyright (c) 2013, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include +#include +#include +#include + +#include "client/linux/minidump_writer/proc_cpuinfo_reader.h" +#include "breakpad_googletest_includes.h" +#include "common/linux/eintr_wrapper.h" +#include "common/tests/auto_testfile.h" + +using namespace google_breakpad; + +#if !defined(__ANDROID__) +#define TEMPDIR "/tmp" +#else +#define TEMPDIR "/data/local/tmp" +#endif + + +namespace { + +typedef testing::Test ProcCpuInfoReaderTest; + +class ScopedTestFile : public AutoTestFile { +public: + explicit ScopedTestFile(const char* text) + : AutoTestFile("proc_cpuinfo_reader", text) { + } +}; + +} + +TEST(ProcCpuInfoReaderTest, EmptyFile) { + ScopedTestFile file(""); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char *field; + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, OneLineTerminated) { + ScopedTestFile file("foo : bar\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char *field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + ASSERT_STREQ("bar", reader.GetValue()); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, OneLine) { + ScopedTestFile file("foo : bar"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char *field; + size_t value_len; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + ASSERT_STREQ("bar", reader.GetValueAndLen(&value_len)); + ASSERT_EQ(3U, value_len); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, TwoLinesTerminated) { + ScopedTestFile file("foo : bar\nzoo : tut\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char* field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + ASSERT_STREQ("bar", reader.GetValue()); + + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("zoo", field); + ASSERT_STREQ("tut", reader.GetValue()); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, SkipMalformedLine) { + ScopedTestFile file("this line should have a column\nfoo : bar\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char* field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + ASSERT_STREQ("bar", reader.GetValue()); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, SkipOneEmptyLine) { + ScopedTestFile file("\n\nfoo : bar\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char* field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + ASSERT_STREQ("bar", reader.GetValue()); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, SkipEmptyField) { + ScopedTestFile file(" : bar\nzoo : tut\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char* field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("zoo", field); + ASSERT_STREQ("tut", reader.GetValue()); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, SkipTwoEmptyLines) { + ScopedTestFile file("foo : bar\n\n\nfoo : bar\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char* field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + ASSERT_STREQ("bar", reader.GetValue()); + + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + ASSERT_STREQ("bar", reader.GetValue()); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, FieldWithSpaces) { + ScopedTestFile file("foo bar : zoo\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char* field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo bar", field); + ASSERT_STREQ("zoo", reader.GetValue()); + + ASSERT_FALSE(reader.GetNextField(&field)); +} + +TEST(ProcCpuInfoReaderTest, EmptyValue) { + ScopedTestFile file("foo :\n"); + ASSERT_TRUE(file.IsOk()); + ProcCpuInfoReader reader(file.GetFd()); + + const char* field; + ASSERT_TRUE(reader.GetNextField(&field)); + ASSERT_STREQ("foo", field); + size_t value_len; + ASSERT_STREQ("", reader.GetValueAndLen(&value_len)); + ASSERT_EQ(0U, value_len); + + ASSERT_FALSE(reader.GetNextField(&field)); +} diff --git a/google-breakpad/src/client/linux/sender/google_crash_report_sender.cc b/google-breakpad/src/client/linux/sender/google_crash_report_sender.cc new file mode 100644 index 0000000..0d48cbe --- /dev/null +++ b/google-breakpad/src/client/linux/sender/google_crash_report_sender.cc @@ -0,0 +1,104 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "common/linux/google_crashdump_uploader.h" +#include "third_party/linux/include/gflags/gflags.h" +#include +#include + +#include "common/using_std_string.h" + +DEFINE_string(crash_server, "https://clients2.google.com/cr", + "The crash server to upload minidumps to."); +DEFINE_string(product_name, "", + "The product name that the minidump corresponds to."); +DEFINE_string(product_version, "", + "The version of the product that produced the minidump."); +DEFINE_string(client_id, "", + "The client GUID"); +DEFINE_string(minidump_path, "", + "The path of the minidump file."); +DEFINE_string(ptime, "", + "The process uptime in milliseconds."); +DEFINE_string(ctime, "", + "The cumulative process uptime in milliseconds."); +DEFINE_string(email, "", + "The user's email address."); +DEFINE_string(comments, "", + "Extra user comments"); +DEFINE_string(proxy_host, "", + "Proxy host"); +DEFINE_string(proxy_userpasswd, "", + "Proxy username/password in user:pass format."); + + +bool CheckForRequiredFlagsOrDie() { + string error_text = ""; + if (FLAGS_product_name.empty()) { + error_text.append("\nProduct name must be specified."); + } + + if (FLAGS_product_version.empty()) { + error_text.append("\nProduct version must be specified."); + } + + if (FLAGS_client_id.empty()) { + error_text.append("\nClient ID must be specified."); + } + + if (FLAGS_minidump_path.empty()) { + error_text.append("\nMinidump pathname must be specified."); + } + + if (!error_text.empty()) { + std::cout << error_text; + return false; + } + return true; +} + +int main(int argc, char *argv[]) { + google::InitGoogleLogging(argv[0]); + google::ParseCommandLineFlags(&argc, &argv, true); + if (!CheckForRequiredFlagsOrDie()) { + return 1; + } + google_breakpad::GoogleCrashdumpUploader g(FLAGS_product_name, + FLAGS_product_version, + FLAGS_client_id, + FLAGS_ptime, + FLAGS_ctime, + FLAGS_email, + FLAGS_comments, + FLAGS_minidump_path, + FLAGS_crash_server, + FLAGS_proxy_host, + FLAGS_proxy_userpasswd); + g.Upload(); +} diff --git a/google-breakpad/src/client/minidump_file_writer-inl.h b/google-breakpad/src/client/minidump_file_writer-inl.h new file mode 100644 index 0000000..0e12e00 --- /dev/null +++ b/google-breakpad/src/client/minidump_file_writer-inl.h @@ -0,0 +1,97 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// minidump_file_writer-inl.h: Minidump file writer implementation. +// +// See minidump_file_writer.h for documentation. + +#ifndef CLIENT_MINIDUMP_FILE_WRITER_INL_H__ +#define CLIENT_MINIDUMP_FILE_WRITER_INL_H__ + +#include + +#include "client/minidump_file_writer.h" +#include "google_breakpad/common/minidump_size.h" + +namespace google_breakpad { + +template +inline bool TypedMDRVA::Allocate() { + allocation_state_ = SINGLE_OBJECT; + return UntypedMDRVA::Allocate(minidump_size::size()); +} + +template +inline bool TypedMDRVA::Allocate(size_t additional) { + allocation_state_ = SINGLE_OBJECT; + return UntypedMDRVA::Allocate(minidump_size::size() + additional); +} + +template +inline bool TypedMDRVA::AllocateArray(size_t count) { + assert(count); + allocation_state_ = ARRAY; + return UntypedMDRVA::Allocate(minidump_size::size() * count); +} + +template +inline bool TypedMDRVA::AllocateObjectAndArray(size_t count, + size_t length) { + assert(count && length); + allocation_state_ = SINGLE_OBJECT_WITH_ARRAY; + return UntypedMDRVA::Allocate(minidump_size::size() + count * length); +} + +template +inline bool TypedMDRVA::CopyIndex(unsigned int index, MDType *item) { + assert(allocation_state_ == ARRAY); + return writer_->Copy( + static_cast(position_ + index * minidump_size::size()), + item, minidump_size::size()); +} + +template +inline bool TypedMDRVA::CopyIndexAfterObject(unsigned int index, + const void *src, + size_t length) { + assert(allocation_state_ == SINGLE_OBJECT_WITH_ARRAY); + return writer_->Copy( + static_cast(position_ + minidump_size::size() + + index * length), + src, length); +} + +template +inline bool TypedMDRVA::Flush() { + return writer_->Copy(position_, &data_, minidump_size::size()); +} + +} // namespace google_breakpad + +#endif // CLIENT_MINIDUMP_FILE_WRITER_INL_H__ diff --git a/google-breakpad/src/client/minidump_file_writer.cc b/google-breakpad/src/client/minidump_file_writer.cc new file mode 100644 index 0000000..1e18d24 --- /dev/null +++ b/google-breakpad/src/client/minidump_file_writer.cc @@ -0,0 +1,284 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// minidump_file_writer.cc: Minidump file writer implementation. +// +// See minidump_file_writer.h for documentation. + +#include +#include +#include +#include +#include + +#include "client/minidump_file_writer-inl.h" +#include "common/linux/linux_libc_support.h" +#include "common/string_conversion.h" +#if __linux__ +#include "third_party/lss/linux_syscall_support.h" +#endif + +namespace google_breakpad { + +const MDRVA MinidumpFileWriter::kInvalidMDRVA = static_cast(-1); + +MinidumpFileWriter::MinidumpFileWriter() + : file_(-1), + close_file_when_destroyed_(true), + position_(0), + size_(0) { +} + +MinidumpFileWriter::~MinidumpFileWriter() { + if (close_file_when_destroyed_) + Close(); +} + +bool MinidumpFileWriter::Open(const char *path) { + assert(file_ == -1); +#if __linux__ + file_ = sys_open(path, O_WRONLY | O_CREAT | O_EXCL, 0600); +#else + file_ = open(path, O_WRONLY | O_CREAT | O_EXCL, 0600); +#endif + + return file_ != -1; +} + +void MinidumpFileWriter::SetFile(const int file) { + assert(file_ == -1); + file_ = file; + close_file_when_destroyed_ = false; +} + +bool MinidumpFileWriter::Close() { + bool result = true; + + if (file_ != -1) { + if (-1 == ftruncate(file_, position_)) { + return false; + } +#if __linux__ + result = (sys_close(file_) == 0); +#else + result = (close(file_) == 0); +#endif + file_ = -1; + } + + return result; +} + +bool MinidumpFileWriter::CopyStringToMDString(const wchar_t *str, + unsigned int length, + TypedMDRVA *mdstring) { + bool result = true; + if (sizeof(wchar_t) == sizeof(uint16_t)) { + // Shortcut if wchar_t is the same size as MDString's buffer + result = mdstring->Copy(str, mdstring->get()->length); + } else { + uint16_t out[2]; + int out_idx = 0; + + // Copy the string character by character + while (length && result) { + UTF32ToUTF16Char(*str, out); + if (!out[0]) + return false; + + // Process one character at a time + --length; + ++str; + + // Append the one or two UTF-16 characters. The first one will be non- + // zero, but the second one may be zero, depending on the conversion from + // UTF-32. + int out_count = out[1] ? 2 : 1; + size_t out_size = sizeof(uint16_t) * out_count; + result = mdstring->CopyIndexAfterObject(out_idx, out, out_size); + out_idx += out_count; + } + } + return result; +} + +bool MinidumpFileWriter::CopyStringToMDString(const char *str, + unsigned int length, + TypedMDRVA *mdstring) { + bool result = true; + uint16_t out[2]; + int out_idx = 0; + + // Copy the string character by character + while (length && result) { + int conversion_count = UTF8ToUTF16Char(str, length, out); + if (!conversion_count) + return false; + + // Move the pointer along based on the nubmer of converted characters + length -= conversion_count; + str += conversion_count; + + // Append the one or two UTF-16 characters + int out_count = out[1] ? 2 : 1; + size_t out_size = sizeof(uint16_t) * out_count; + result = mdstring->CopyIndexAfterObject(out_idx, out, out_size); + out_idx += out_count; + } + return result; +} + +template +bool MinidumpFileWriter::WriteStringCore(const CharType *str, + unsigned int length, + MDLocationDescriptor *location) { + assert(str); + assert(location); + // Calculate the mdstring length by either limiting to |length| as passed in + // or by finding the location of the NULL character. + unsigned int mdstring_length = 0; + if (!length) + length = INT_MAX; + for (; mdstring_length < length && str[mdstring_length]; ++mdstring_length) + ; + + // Allocate the string buffer + TypedMDRVA mdstring(this); + if (!mdstring.AllocateObjectAndArray(mdstring_length + 1, sizeof(uint16_t))) + return false; + + // Set length excluding the NULL and copy the string + mdstring.get()->length = + static_cast(mdstring_length * sizeof(uint16_t)); + bool result = CopyStringToMDString(str, mdstring_length, &mdstring); + + // NULL terminate + if (result) { + uint16_t ch = 0; + result = mdstring.CopyIndexAfterObject(mdstring_length, &ch, sizeof(ch)); + + if (result) + *location = mdstring.location(); + } + + return result; +} + +bool MinidumpFileWriter::WriteString(const wchar_t *str, unsigned int length, + MDLocationDescriptor *location) { + return WriteStringCore(str, length, location); +} + +bool MinidumpFileWriter::WriteString(const char *str, unsigned int length, + MDLocationDescriptor *location) { + return WriteStringCore(str, length, location); +} + +bool MinidumpFileWriter::WriteMemory(const void *src, size_t size, + MDMemoryDescriptor *output) { + assert(src); + assert(output); + UntypedMDRVA mem(this); + + if (!mem.Allocate(size)) + return false; + if (!mem.Copy(src, mem.size())) + return false; + + output->start_of_memory_range = reinterpret_cast(src); + output->memory = mem.location(); + + return true; +} + +MDRVA MinidumpFileWriter::Allocate(size_t size) { + assert(size); + assert(file_ != -1); + size_t aligned_size = (size + 7) & ~7; // 64-bit alignment + + if (position_ + aligned_size > size_) { + size_t growth = aligned_size; + size_t minimal_growth = getpagesize(); + + // Ensure that the file grows by at least the size of a memory page + if (growth < minimal_growth) + growth = minimal_growth; + + size_t new_size = size_ + growth; + if (ftruncate(file_, new_size) != 0) + return kInvalidMDRVA; + + size_ = new_size; + } + + MDRVA current_position = position_; + position_ += static_cast(aligned_size); + + return current_position; +} + +bool MinidumpFileWriter::Copy(MDRVA position, const void *src, ssize_t size) { + assert(src); + assert(size); + assert(file_ != -1); + + // Ensure that the data will fit in the allocated space + if (static_cast(size + position) > size_) + return false; + + // Seek and write the data +#if __linux__ + if (sys_lseek(file_, position, SEEK_SET) == static_cast(position)) { + if (sys_write(file_, src, size) == size) { +#else + if (lseek(file_, position, SEEK_SET) == static_cast(position)) { + if (write(file_, src, size) == size) { +#endif + return true; + } + } + + return false; +} + +bool UntypedMDRVA::Allocate(size_t size) { + assert(size_ == 0); + size_ = size; + position_ = writer_->Allocate(size_); + return position_ != MinidumpFileWriter::kInvalidMDRVA; +} + +bool UntypedMDRVA::Copy(MDRVA pos, const void *src, size_t size) { + assert(src); + assert(size); + assert(pos + size <= position_ + size_); + return writer_->Copy(pos, src, size); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/client/minidump_file_writer.h b/google-breakpad/src/client/minidump_file_writer.h new file mode 100644 index 0000000..538e854 --- /dev/null +++ b/google-breakpad/src/client/minidump_file_writer.h @@ -0,0 +1,272 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// minidump_file_writer.h: Implements file-based minidump generation. It's +// intended to be used with the Google Breakpad open source crash handling +// project. + +#ifndef CLIENT_MINIDUMP_FILE_WRITER_H__ +#define CLIENT_MINIDUMP_FILE_WRITER_H__ + +#include + +#include "google_breakpad/common/minidump_format.h" + +namespace google_breakpad { + +class UntypedMDRVA; +template class TypedMDRVA; + +// The user of this class can Open() a file and add minidump streams, data, and +// strings using the definitions in minidump_format.h. Since this class is +// expected to be used in a situation where the current process may be +// damaged, it will not allocate heap memory. +// Sample usage: +// MinidumpFileWriter writer; +// writer.Open("/tmp/minidump.dmp"); +// TypedMDRVA header(&writer_); +// header.Allocate(); +// header->get()->signature = MD_HEADER_SIGNATURE; +// : +// writer.Close(); +// +// An alternative is to use SetFile and provide a file descriptor: +// MinidumpFileWriter writer; +// writer.SetFile(minidump_fd); +// TypedMDRVA header(&writer_); +// header.Allocate(); +// header->get()->signature = MD_HEADER_SIGNATURE; +// : +// writer.Close(); + +class MinidumpFileWriter { +public: + // Invalid MDRVA (Minidump Relative Virtual Address) + // returned on failed allocation + static const MDRVA kInvalidMDRVA; + + MinidumpFileWriter(); + ~MinidumpFileWriter(); + + // Open |path| as the destination of the minidump data. Any existing file + // will be overwritten. + // Return true on success, or false on failure. + bool Open(const char *path); + + // Sets the file descriptor |file| as the destination of the minidump data. + // Can be used as an alternative to Open() when a file descriptor is + // available. + // Note that |fd| is not closed when the instance of MinidumpFileWriter is + // destroyed. + void SetFile(const int file); + + // Close the current file (that was either created when Open was called, or + // specified with SetFile). + // Return true on success, or false on failure. + bool Close(); + + // Copy the contents of |str| to a MDString and write it to the file. + // |str| is expected to be either UTF-16 or UTF-32 depending on the size + // of wchar_t. + // Maximum |length| of characters to copy from |str|, or specify 0 to use the + // entire NULL terminated string. Copying will stop at the first NULL. + // |location| the allocated location + // Return true on success, or false on failure + bool WriteString(const wchar_t *str, unsigned int length, + MDLocationDescriptor *location); + + // Same as above, except with |str| as a UTF-8 string + bool WriteString(const char *str, unsigned int length, + MDLocationDescriptor *location); + + // Write |size| bytes starting at |src| into the current position. + // Return true on success and set |output| to position, or false on failure + bool WriteMemory(const void *src, size_t size, MDMemoryDescriptor *output); + + // Copies |size| bytes from |src| to |position| + // Return true on success, or false on failure + bool Copy(MDRVA position, const void *src, ssize_t size); + + // Return the current position for writing to the minidump + inline MDRVA position() const { return position_; } + + private: + friend class UntypedMDRVA; + + // Allocates an area of |size| bytes. + // Returns the position of the allocation, or kInvalidMDRVA if it was + // unable to allocate the bytes. + MDRVA Allocate(size_t size); + + // The file descriptor for the output file. + int file_; + + // Whether |file_| should be closed when the instance is destroyed. + bool close_file_when_destroyed_; + + // Current position in buffer + MDRVA position_; + + // Current allocated size + size_t size_; + + // Copy |length| characters from |str| to |mdstring|. These are distinct + // because the underlying MDString is a UTF-16 based string. The wchar_t + // variant may need to create a MDString that has more characters than the + // source |str|, whereas the UTF-8 variant may coalesce characters to form + // a single UTF-16 character. + bool CopyStringToMDString(const wchar_t *str, unsigned int length, + TypedMDRVA *mdstring); + bool CopyStringToMDString(const char *str, unsigned int length, + TypedMDRVA *mdstring); + + // The common templated code for writing a string + template + bool WriteStringCore(const CharType *str, unsigned int length, + MDLocationDescriptor *location); +}; + +// Represents an untyped allocated chunk +class UntypedMDRVA { + public: + explicit UntypedMDRVA(MinidumpFileWriter *writer) + : writer_(writer), + position_(writer->position()), + size_(0) {} + + // Allocates |size| bytes. Must not call more than once. + // Return true on success, or false on failure + bool Allocate(size_t size); + + // Returns the current position or kInvalidMDRVA if allocation failed + inline MDRVA position() const { return position_; } + + // Number of bytes allocated + inline size_t size() const { return size_; } + + // Return size and position + inline MDLocationDescriptor location() const { + MDLocationDescriptor location = { static_cast(size_), + position_ }; + return location; + } + + // Copy |size| bytes starting at |src| into the minidump at |position| + // Return true on success, or false on failure + bool Copy(MDRVA position, const void *src, size_t size); + + // Copy |size| bytes from |src| to the current position + inline bool Copy(const void *src, size_t size) { + return Copy(position_, src, size); + } + + protected: + // Writer we associate with + MinidumpFileWriter *writer_; + + // Position of the start of the data + MDRVA position_; + + // Allocated size + size_t size_; +}; + +// Represents a Minidump object chunk. Additional memory can be allocated at +// the end of the object as a: +// - single allocation +// - Array of MDType objects +// - A MDType object followed by an array +template +class TypedMDRVA : public UntypedMDRVA { + public: + // Constructs an unallocated MDRVA + explicit TypedMDRVA(MinidumpFileWriter *writer) + : UntypedMDRVA(writer), + data_(), + allocation_state_(UNALLOCATED) {} + + inline ~TypedMDRVA() { + // Ensure that the data_ object is written out + if (allocation_state_ != ARRAY) + Flush(); + } + + // Address of object data_ of MDType. This is not declared const as the + // typical usage will be to access the underlying |data_| object as to + // alter its contents. + MDType *get() { return &data_; } + + // Allocates minidump_size::size() bytes. + // Must not call more than once. + // Return true on success, or false on failure + bool Allocate(); + + // Allocates minidump_size::size() + |additional| bytes. + // Must not call more than once. + // Return true on success, or false on failure + bool Allocate(size_t additional); + + // Allocate an array of |count| elements of MDType. + // Must not call more than once. + // Return true on success, or false on failure + bool AllocateArray(size_t count); + + // Allocate an array of |count| elements of |size| after object of MDType + // Must not call more than once. + // Return true on success, or false on failure + bool AllocateObjectAndArray(size_t count, size_t size); + + // Copy |item| to |index| + // Must have been allocated using AllocateArray(). + // Return true on success, or false on failure + bool CopyIndex(unsigned int index, MDType *item); + + // Copy |size| bytes starting at |str| to |index| + // Must have been allocated using AllocateObjectAndArray(). + // Return true on success, or false on failure + bool CopyIndexAfterObject(unsigned int index, const void *src, size_t size); + + // Write data_ + bool Flush(); + + private: + enum AllocationState { + UNALLOCATED = 0, + SINGLE_OBJECT, + ARRAY, + SINGLE_OBJECT_WITH_ARRAY + }; + + MDType data_; + AllocationState allocation_state_; +}; + +} // namespace google_breakpad + +#endif // CLIENT_MINIDUMP_FILE_WRITER_H__ diff --git a/google-breakpad/src/client/minidump_file_writer_unittest.cc b/google-breakpad/src/client/minidump_file_writer_unittest.cc new file mode 100644 index 0000000..60c364e --- /dev/null +++ b/google-breakpad/src/client/minidump_file_writer_unittest.cc @@ -0,0 +1,179 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Author: waylonis@google.com (Dan Waylonis) + +/* + g++ -I../ ../common/convert_UTF.c \ + ../common/string_conversion.cc \ + minidump_file_writer.cc \ + minidump_file_writer_unittest.cc \ + -o minidump_file_writer_unittest + */ + +#include +#include + +#include "minidump_file_writer-inl.h" + +using google_breakpad::MinidumpFileWriter; + +#define ASSERT_TRUE(cond) \ +if (!(cond)) { \ + fprintf(stderr, "FAILED: %s at %s:%d\n", #cond, __FILE__, __LINE__); \ + return false; \ +} + +#define ASSERT_EQ(e1, e2) ASSERT_TRUE((e1) == (e2)) +#define ASSERT_NE(e1, e2) ASSERT_TRUE((e1) != (e2)) + +struct StringStructure { + unsigned long integer_value; + MDLocationDescriptor first_string; + MDLocationDescriptor second_string; +}; + +struct ArrayStructure { + unsigned char char_value; + unsigned short short_value; + unsigned long long_value; +}; + +typedef struct { + unsigned long count; + ArrayStructure array[0]; +} ObjectAndArrayStructure; + +static bool WriteFile(const char *path) { + MinidumpFileWriter writer; + if (writer.Open(path)) { + // Test a single structure + google_breakpad::TypedMDRVA strings(&writer); + ASSERT_TRUE(strings.Allocate()); + strings.get()->integer_value = 0xBEEF; + const char *first = "First String"; + ASSERT_TRUE(writer.WriteString(first, 0, &strings.get()->first_string)); + const wchar_t *second = L"Second String"; + ASSERT_TRUE(writer.WriteString(second, 0, &strings.get()->second_string)); + + // Test an array structure + google_breakpad::TypedMDRVA array(&writer); + unsigned int count = 10; + ASSERT_TRUE(array.AllocateArray(count)); + for (unsigned char i = 0; i < count; ++i) { + ArrayStructure local; + local.char_value = i; + local.short_value = i + 1; + local.long_value = i + 2; + ASSERT_TRUE(array.CopyIndex(i, &local)); + } + + // Test an object followed by an array + google_breakpad::TypedMDRVA obj_array(&writer); + ASSERT_TRUE(obj_array.AllocateObjectAndArray(count, + sizeof(ArrayStructure))); + obj_array.get()->count = count; + for (unsigned char i = 0; i < count; ++i) { + ArrayStructure local; + local.char_value = i; + local.short_value = i + 1; + local.long_value = i + 2; + ASSERT_TRUE(obj_array.CopyIndexAfterObject(i, &local, sizeof(local))); + } + } + + return writer.Close(); +} + +static bool CompareFile(const char *path) { + unsigned long expected[] = { +#if defined(__BIG_ENDIAN__) + 0x0000beef, 0x0000001e, 0x00000018, 0x00000020, 0x00000038, 0x00000000, + 0x00000018, 0x00460069, 0x00720073, 0x00740020, 0x00530074, 0x00720069, + 0x006e0067, 0x00000000, 0x0000001a, 0x00530065, 0x0063006f, 0x006e0064, + 0x00200053, 0x00740072, 0x0069006e, 0x00670000, 0x00000001, 0x00000002, + 0x01000002, 0x00000003, 0x02000003, 0x00000004, 0x03000004, 0x00000005, + 0x04000005, 0x00000006, 0x05000006, 0x00000007, 0x06000007, 0x00000008, + 0x07000008, 0x00000009, 0x08000009, 0x0000000a, 0x0900000a, 0x0000000b, + 0x0000000a, 0x00000001, 0x00000002, 0x01000002, 0x00000003, 0x02000003, + 0x00000004, 0x03000004, 0x00000005, 0x04000005, 0x00000006, 0x05000006, + 0x00000007, 0x06000007, 0x00000008, 0x07000008, 0x00000009, 0x08000009, + 0x0000000a, 0x0900000a, 0x0000000b, 0x00000000 +#else + 0x0000beef, 0x0000001e, 0x00000018, 0x00000020, + 0x00000038, 0x00000000, 0x00000018, 0x00690046, + 0x00730072, 0x00200074, 0x00740053, 0x00690072, + 0x0067006e, 0x00000000, 0x0000001a, 0x00650053, + 0x006f0063, 0x0064006e, 0x00530020, 0x00720074, + 0x006e0069, 0x00000067, 0x00011e00, 0x00000002, + 0x00021e01, 0x00000003, 0x00031e02, 0x00000004, + 0x00041e03, 0x00000005, 0x00051e04, 0x00000006, + 0x00061e05, 0x00000007, 0x00071e06, 0x00000008, + 0x00081e07, 0x00000009, 0x00091e08, 0x0000000a, + 0x000a1e09, 0x0000000b, 0x0000000a, 0x00011c00, + 0x00000002, 0x00021c01, 0x00000003, 0x00031c02, + 0x00000004, 0x00041c03, 0x00000005, 0x00051c04, + 0x00000006, 0x00061c05, 0x00000007, 0x00071c06, + 0x00000008, 0x00081c07, 0x00000009, 0x00091c08, + 0x0000000a, 0x000a1c09, 0x0000000b, 0x00000000, +#endif + }; + size_t expected_byte_count = sizeof(expected); + int fd = open(path, O_RDONLY, 0600); + void *buffer = malloc(expected_byte_count); + ASSERT_NE(fd, -1); + ASSERT_TRUE(buffer); + ASSERT_EQ(read(fd, buffer, expected_byte_count), + static_cast(expected_byte_count)); + + char *b1, *b2; + b1 = reinterpret_cast(buffer); + b2 = reinterpret_cast(expected); + while (*b1 == *b2) { + b1++; + b2++; + } + + printf("%p\n", reinterpret_cast(b1 - (char*)buffer)); + + ASSERT_EQ(memcmp(buffer, expected, expected_byte_count), 0); + return true; +} + +static bool RunTests() { + const char *path = "/tmp/minidump_file_writer_unittest.dmp"; + ASSERT_TRUE(WriteFile(path)); + ASSERT_TRUE(CompareFile(path)); + unlink(path); + return true; +} + +extern "C" int main(int argc, const char *argv[]) { + return RunTests() ? 0 : 1; +} diff --git a/google-breakpad/src/common/basictypes.h b/google-breakpad/src/common/basictypes.h new file mode 100644 index 0000000..84668b7 --- /dev/null +++ b/google-breakpad/src/common/basictypes.h @@ -0,0 +1,41 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_BASICTYPES_H_ +#define COMMON_BASICTYPES_H_ + +// A macro to disallow the copy constructor and operator= functions +// This should be used in the private: declarations for a class +#ifndef DISALLOW_COPY_AND_ASSIGN +#define DISALLOW_COPY_AND_ASSIGN(TypeName) \ + TypeName(const TypeName&); \ + void operator=(const TypeName&) +#endif // DISALLOW_COPY_AND_ASSIGN + +#endif // COMMON_BASICTYPES_H_ diff --git a/google-breakpad/src/common/byte_cursor.h b/google-breakpad/src/common/byte_cursor.h new file mode 100644 index 0000000..accd54e --- /dev/null +++ b/google-breakpad/src/common/byte_cursor.h @@ -0,0 +1,265 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// byte_cursor.h: Classes for parsing values from a buffer of bytes. +// The ByteCursor class provides a convenient interface for reading +// fixed-size integers of arbitrary endianness, being thorough about +// checking for buffer overruns. + +#ifndef COMMON_BYTE_CURSOR_H_ +#define COMMON_BYTE_CURSOR_H_ + +#include +#include +#include +#include +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +// A buffer holding a series of bytes. +struct ByteBuffer { + ByteBuffer() : start(0), end(0) { } + ByteBuffer(const uint8_t *set_start, size_t set_size) + : start(set_start), end(set_start + set_size) { } + ~ByteBuffer() { }; + + // Equality operators. Useful in unit tests, and when we're using + // ByteBuffers to refer to regions of a larger buffer. + bool operator==(const ByteBuffer &that) const { + return start == that.start && end == that.end; + } + bool operator!=(const ByteBuffer &that) const { + return start != that.start || end != that.end; + } + + // Not C++ style guide compliant, but this definitely belongs here. + size_t Size() const { + assert(start <= end); + return end - start; + } + + const uint8_t *start, *end; +}; + +// A cursor pointing into a ByteBuffer that can parse numbers of various +// widths and representations, strings, and data blocks, advancing through +// the buffer as it goes. All ByteCursor operations check that accesses +// haven't gone beyond the end of the enclosing ByteBuffer. +class ByteCursor { + public: + // Create a cursor reading bytes from the start of BUFFER. By default, the + // cursor reads multi-byte values in little-endian form. + ByteCursor(const ByteBuffer *buffer, bool big_endian = false) + : buffer_(buffer), here_(buffer->start), + big_endian_(big_endian), complete_(true) { } + + // Accessor and setter for this cursor's endianness flag. + bool big_endian() const { return big_endian_; } + void set_big_endian(bool big_endian) { big_endian_ = big_endian; } + + // Accessor and setter for this cursor's current position. The setter + // returns a reference to this cursor. + const uint8_t *here() const { return here_; } + ByteCursor &set_here(const uint8_t *here) { + assert(buffer_->start <= here && here <= buffer_->end); + here_ = here; + return *this; + } + + // Return the number of bytes available to read at the cursor. + size_t Available() const { return size_t(buffer_->end - here_); } + + // Return true if this cursor is at the end of its buffer. + bool AtEnd() const { return Available() == 0; } + + // When used as a boolean value this cursor converts to true if all + // prior reads have been completed, or false if we ran off the end + // of the buffer. + operator bool() const { return complete_; } + + // Read a SIZE-byte integer at this cursor, signed if IS_SIGNED is true, + // unsigned otherwise, using the cursor's established endianness, and set + // *RESULT to the number. If we read off the end of our buffer, clear + // this cursor's complete_ flag, and store a dummy value in *RESULT. + // Return a reference to this cursor. + template + ByteCursor &Read(size_t size, bool is_signed, T *result) { + if (CheckAvailable(size)) { + T v = 0; + if (big_endian_) { + for (size_t i = 0; i < size; i++) + v = (v << 8) + here_[i]; + } else { + // This loop condition looks weird, but size_t is unsigned, so + // decrementing i after it is zero yields the largest size_t value. + for (size_t i = size - 1; i < size; i--) + v = (v << 8) + here_[i]; + } + if (is_signed && size < sizeof(T)) { + size_t sign_bit = (T)1 << (size * 8 - 1); + v = (v ^ sign_bit) - sign_bit; + } + here_ += size; + *result = v; + } else { + *result = (T) 0xdeadbeef; + } + return *this; + } + + // Read an integer, using the cursor's established endianness and + // *RESULT's size and signedness, and set *RESULT to the number. If we + // read off the end of our buffer, clear this cursor's complete_ flag. + // Return a reference to this cursor. + template + ByteCursor &operator>>(T &result) { + bool T_is_signed = (T)-1 < 0; + return Read(sizeof(T), T_is_signed, &result); + } + + // Copy the SIZE bytes at the cursor to BUFFER, and advance this + // cursor to the end of them. If we read off the end of our buffer, + // clear this cursor's complete_ flag, and set *POINTER to NULL. + // Return a reference to this cursor. + ByteCursor &Read(uint8_t *buffer, size_t size) { + if (CheckAvailable(size)) { + memcpy(buffer, here_, size); + here_ += size; + } + return *this; + } + + // Set STR to a copy of the '\0'-terminated string at the cursor. If the + // byte buffer does not contain a terminating zero, clear this cursor's + // complete_ flag, and set STR to the empty string. Return a reference to + // this cursor. + ByteCursor &CString(string *str) { + const uint8_t *end + = static_cast(memchr(here_, '\0', Available())); + if (end) { + str->assign(reinterpret_cast(here_), end - here_); + here_ = end + 1; + } else { + str->clear(); + here_ = buffer_->end; + complete_ = false; + } + return *this; + } + + // Like CString(STR), but extract the string from a fixed-width buffer + // LIMIT bytes long, which may or may not contain a terminating '\0' + // byte. Specifically: + // + // - If there are not LIMIT bytes available at the cursor, clear the + // cursor's complete_ flag and set STR to the empty string. + // + // - Otherwise, if the LIMIT bytes at the cursor contain any '\0' + // characters, set *STR to a copy of the bytes before the first '\0', + // and advance the cursor by LIMIT bytes. + // + // - Otherwise, set *STR to a copy of those LIMIT bytes, and advance the + // cursor by LIMIT bytes. + ByteCursor &CString(string *str, size_t limit) { + if (CheckAvailable(limit)) { + const uint8_t *end + = static_cast(memchr(here_, '\0', limit)); + if (end) + str->assign(reinterpret_cast(here_), end - here_); + else + str->assign(reinterpret_cast(here_), limit); + here_ += limit; + } else { + str->clear(); + } + return *this; + } + + // Set *POINTER to point to the SIZE bytes at the cursor, and advance + // this cursor to the end of them. If SIZE is omitted, don't move the + // cursor. If we read off the end of our buffer, clear this cursor's + // complete_ flag, and set *POINTER to NULL. Return a reference to this + // cursor. + ByteCursor &PointTo(const uint8_t **pointer, size_t size = 0) { + if (CheckAvailable(size)) { + *pointer = here_; + here_ += size; + } else { + *pointer = NULL; + } + return *this; + } + + // Skip SIZE bytes at the cursor. If doing so would advance us off + // the end of our buffer, clear this cursor's complete_ flag, and + // set *POINTER to NULL. Return a reference to this cursor. + ByteCursor &Skip(size_t size) { + if (CheckAvailable(size)) + here_ += size; + return *this; + } + + private: + // If there are at least SIZE bytes available to read from the buffer, + // return true. Otherwise, set here_ to the end of the buffer, set + // complete_ to false, and return false. + bool CheckAvailable(size_t size) { + if (Available() >= size) { + return true; + } else { + here_ = buffer_->end; + complete_ = false; + return false; + } + } + + // The buffer we're reading bytes from. + const ByteBuffer *buffer_; + + // The next byte within buffer_ that we'll read. + const uint8_t *here_; + + // True if we should read numbers in big-endian form; false if we + // should read in little-endian form. + bool big_endian_; + + // True if we've been able to read all we've been asked to. + bool complete_; +}; + +} // namespace google_breakpad + +#endif // COMMON_BYTE_CURSOR_H_ diff --git a/google-breakpad/src/common/byte_cursor_unittest.cc b/google-breakpad/src/common/byte_cursor_unittest.cc new file mode 100644 index 0000000..06bfd89 --- /dev/null +++ b/google-breakpad/src/common/byte_cursor_unittest.cc @@ -0,0 +1,776 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// byte_cursor_unittest.cc: Unit tests for google_breakpad::ByteBuffer +// and google_breakpad::ByteCursor. + +#include + +#include + +#include "breakpad_googletest_includes.h" +#include "common/byte_cursor.h" +#include "common/using_std_string.h" + +using google_breakpad::ByteBuffer; +using google_breakpad::ByteCursor; + +TEST(Buffer, SizeOfNothing) { + uint8_t data[1]; + ByteBuffer buffer(data, 0); + EXPECT_EQ(0U, buffer.Size()); +} + +TEST(Buffer, SizeOfSomething) { + uint8_t data[10]; + ByteBuffer buffer(data, sizeof(data)); + EXPECT_EQ(10U, buffer.Size()); +} + +TEST(Extent, AvailableEmpty) { + uint8_t data[1]; + ByteBuffer buffer(data, 0); + ByteCursor cursor(&buffer); + EXPECT_EQ(0U, cursor.Available()); +} + +TEST(Extent, AtEndEmpty) { + uint8_t data[1]; + ByteBuffer buffer(data, 0); + ByteCursor cursor(&buffer); + EXPECT_TRUE(cursor.AtEnd()); +} + +TEST(Extent, AsBoolEmpty) { + uint8_t data[1]; + ByteBuffer buffer(data, 0); + ByteCursor cursor(&buffer); + EXPECT_TRUE(cursor); +} + +TEST(Extent, AvailableSome) { + uint8_t data[10]; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + EXPECT_EQ(10U, cursor.Available()); +} + +TEST(Extent, AtEndSome) { + uint8_t data[10]; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + EXPECT_FALSE(cursor.AtEnd()); + EXPECT_TRUE(cursor.Skip(sizeof(data)).AtEnd()); +} + +TEST(Extent, AsBoolSome) { + uint8_t data[10]; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + EXPECT_TRUE(cursor); + EXPECT_TRUE(cursor.Skip(sizeof(data))); + EXPECT_FALSE(cursor.Skip(1)); +} + +TEST(Extent, Cursor) { + uint8_t data[] = { 0xf7, + 0x9f, 0xbe, + 0x67, 0xfb, 0xd3, 0x58, + 0x6f, 0x36, 0xde, 0xd1, + 0x2a, 0x2a, 0x2a }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + + uint8_t a; + uint16_t b; + uint32_t c; + uint32_t d; + uint8_t stars[3]; + + EXPECT_EQ(data + 0U, cursor.here()); + + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(data + 1U, cursor.here()); + + EXPECT_TRUE(cursor >> b); + EXPECT_EQ(data + 3U, cursor.here()); + + EXPECT_TRUE(cursor >> c); + EXPECT_EQ(data + 7U, cursor.here()); + + EXPECT_TRUE(cursor.Skip(4)); + EXPECT_EQ(data + 11U, cursor.here()); + + EXPECT_TRUE(cursor.Read(stars, 3)); + EXPECT_EQ(data + 14U, cursor.here()); + + EXPECT_FALSE(cursor >> d); + EXPECT_EQ(data + 14U, cursor.here()); +} + +TEST(Extent, SetOffset) { + uint8_t data[] = { 0x5c, 0x79, 0x8c, 0xd5 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + + uint8_t a, b, c, d, e; + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(0x5cU, a); + EXPECT_EQ(data + 1U, cursor.here()); + EXPECT_TRUE(((cursor >> b).set_here(data + 3) >> c).set_here(data + 1) + >> d >> e); + EXPECT_EQ(0x79U, b); + EXPECT_EQ(0xd5U, c); + EXPECT_EQ(0x79U, d); + EXPECT_EQ(0x8cU, e); + EXPECT_EQ(data + 3U, cursor.here()); +} + +TEST(BigEndian, Signed1) { + uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + cursor.set_big_endian(true); + int a, b, c, d, e; + ASSERT_TRUE(cursor + .Read(1, true, &a) + .Read(1, true, &b) + .Read(1, true, &c) + .Read(1, true, &d)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7f, b); + EXPECT_EQ(-0x80, c); + EXPECT_EQ(-1, d); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(1, true, &e)); +} + +TEST(BigEndian, Signed2) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff, + 0x80, 0x00, 0x80, 0x80, 0xff, 0xff, + 0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer, true); + int a, b, c, d, e, f, g, h, i, j; + ASSERT_TRUE(cursor + .Read(2, true, &a) + .Read(2, true, &b) + .Read(2, true, &c) + .Read(2, true, &d) + .Read(2, true, &e) + .Read(2, true, &f) + .Read(2, true, &g) + .Read(2, true, &h) + .Read(2, true, &i)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x80, b); + EXPECT_EQ(0x7fff, c); + EXPECT_EQ(-0x8000, d); + EXPECT_EQ(-0x7f80, e); + EXPECT_EQ(-1, f); + EXPECT_EQ(0x39f1, g); + EXPECT_EQ(-0x7544, h); + EXPECT_EQ(0x5aec, i); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(2, true, &j)); +} + +TEST(BigEndian, Signed4) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, + 0x7f, 0xff, 0xff, 0xff, + 0x80, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, + 0xb6, 0xb1, 0xff, 0xef, + 0x19, 0x6a, 0xca, 0x46 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + cursor.set_big_endian(true); + int64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(4, true, &a) + .Read(4, true, &b) + .Read(4, true, &c) + .Read(4, true, &d) + .Read(4, true, &e) + .Read(4, true, &f)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7fffffff, b); + EXPECT_EQ(-0x80000000LL, c); + EXPECT_EQ(-1, d); + EXPECT_EQ((int32_t) 0xb6b1ffef, e); + EXPECT_EQ(0x196aca46, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(4, true, &g)); +} + +TEST(BigEndian, Signed8) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c, + 0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer, true); + int64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(8, true, &a) + .Read(8, true, &b) + .Read(8, true, &c) + .Read(8, true, &d) + .Read(8, true, &e) + .Read(8, true, &f)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7fffffffffffffffLL, b); + EXPECT_EQ(-0x7fffffffffffffffLL - 1, c); + EXPECT_EQ(-1, d); + EXPECT_EQ((int64_t) 0x9320d5e9d2d5879cULL, e); + EXPECT_EQ(0x4e4249d27f8414a4LL, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(8, true, &g)); +} + +TEST(BigEndian, Unsigned1) { + uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + cursor.set_big_endian(true); + int32_t a, b, c, d, e; + ASSERT_TRUE(cursor + .Read(1, false, &a) + .Read(1, false, &b) + .Read(1, false, &c) + .Read(1, false, &d)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7f, b); + EXPECT_EQ(0x80, c); + EXPECT_EQ(0xff, d); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(1, false, &e)); +} + +TEST(BigEndian, Unsigned2) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff, + 0x80, 0x00, 0x80, 0x80, 0xff, 0xff, + 0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer, true); + int64_t a, b, c, d, e, f, g, h, i, j; + ASSERT_TRUE(cursor + .Read(2, false, &a) + .Read(2, false, &b) + .Read(2, false, &c) + .Read(2, false, &d) + .Read(2, false, &e) + .Read(2, false, &f) + .Read(2, false, &g) + .Read(2, false, &h) + .Read(2, false, &i)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x80, b); + EXPECT_EQ(0x7fff, c); + EXPECT_EQ(0x8000, d); + EXPECT_EQ(0x8080, e); + EXPECT_EQ(0xffff, f); + EXPECT_EQ(0x39f1, g); + EXPECT_EQ(0x8abc, h); + EXPECT_EQ(0x5aec, i); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(2, false, &j)); +} + +TEST(BigEndian, Unsigned4) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, + 0x7f, 0xff, 0xff, 0xff, + 0x80, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, + 0xb6, 0xb1, 0xff, 0xef, + 0x19, 0x6a, 0xca, 0x46 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + cursor.set_big_endian(true); + int64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(4, false, &a) + .Read(4, false, &b) + .Read(4, false, &c) + .Read(4, false, &d) + .Read(4, false, &e) + .Read(4, false, &f)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7fffffff, b); + EXPECT_EQ(0x80000000, c); + EXPECT_EQ(0xffffffff, d); + EXPECT_EQ(0xb6b1ffef, e); + EXPECT_EQ(0x196aca46, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(4, false, &g)); +} + +TEST(BigEndian, Unsigned8) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c, + 0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer, true); + uint64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(8, false, &a) + .Read(8, false, &b) + .Read(8, false, &c) + .Read(8, false, &d) + .Read(8, false, &e) + .Read(8, false, &f)); + EXPECT_EQ(0U, a); + EXPECT_EQ(0x7fffffffffffffffULL, b); + EXPECT_EQ(0x8000000000000000ULL, c); + EXPECT_EQ(0xffffffffffffffffULL, d); + EXPECT_EQ(0x9320d5e9d2d5879cULL, e); + EXPECT_EQ(0x4e4249d27f8414a4ULL, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(8, false, &g)); +} + +TEST(LittleEndian, Signed1) { + uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int32_t a, b, c, d, e; + ASSERT_TRUE(cursor + .Read(1, true, &a) + .Read(1, true, &b) + .Read(1, true, &c) + .Read(1, true, &d)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7f, b); + EXPECT_EQ(-0x80, c); + EXPECT_EQ(-1, d); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(1, true, &e)); +} + +TEST(LittleEndian, Signed2) { + uint8_t data[] = { 0x00, 0x00, 0x80, 0x00, 0xff, 0x7f, + 0x00, 0x80, 0x80, 0x80, 0xff, 0xff, + 0xf1, 0x39, 0xbc, 0x8a, 0xec, 0x5a }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer, false); + int32_t a, b, c, d, e, f, g, h, i, j; + ASSERT_TRUE(cursor + .Read(2, true, &a) + .Read(2, true, &b) + .Read(2, true, &c) + .Read(2, true, &d) + .Read(2, true, &e) + .Read(2, true, &f) + .Read(2, true, &g) + .Read(2, true, &h) + .Read(2, true, &i)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x80, b); + EXPECT_EQ(0x7fff, c); + EXPECT_EQ(-0x8000, d); + EXPECT_EQ(-0x7f80, e); + EXPECT_EQ(-1, f); + EXPECT_EQ(0x39f1, g); + EXPECT_EQ(-0x7544, h); + EXPECT_EQ(0x5aec, i); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(2, true, &j)); +} + +TEST(LittleEndian, Signed4) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0x7f, + 0x00, 0x00, 0x00, 0x80, + 0xff, 0xff, 0xff, 0xff, + 0xef, 0xff, 0xb1, 0xb6, + 0x46, 0xca, 0x6a, 0x19 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(4, true, &a) + .Read(4, true, &b) + .Read(4, true, &c) + .Read(4, true, &d) + .Read(4, true, &e) + .Read(4, true, &f)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7fffffff, b); + EXPECT_EQ(-0x80000000LL, c); + EXPECT_EQ(-1, d); + EXPECT_EQ((int32_t) 0xb6b1ffef, e); + EXPECT_EQ(0x196aca46, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(4, true, &g)); +} + +TEST(LittleEndian, Signed8) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x9c, 0x87, 0xd5, 0xd2, 0xe9, 0xd5, 0x20, 0x93, + 0xa4, 0x14, 0x84, 0x7f, 0xd2, 0x49, 0x42, 0x4e }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer, false); + int64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(8, true, &a) + .Read(8, true, &b) + .Read(8, true, &c) + .Read(8, true, &d) + .Read(8, true, &e) + .Read(8, true, &f)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7fffffffffffffffLL, b); + EXPECT_EQ(-0x7fffffffffffffffLL - 1, c); + EXPECT_EQ(-1, d); + EXPECT_EQ((int64_t) 0x9320d5e9d2d5879cULL, e); + EXPECT_EQ(0x4e4249d27f8414a4LL, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(8, true, &g)); +} + +TEST(LittleEndian, Unsigned1) { + uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int32_t a, b, c, d, e; + ASSERT_TRUE(cursor + .Read(1, false, &a) + .Read(1, false, &b) + .Read(1, false, &c) + .Read(1, false, &d)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7f, b); + EXPECT_EQ(0x80, c); + EXPECT_EQ(0xff, d); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(1, false, &e)); +} + +TEST(LittleEndian, Unsigned2) { + uint8_t data[] = { 0x00, 0x00, 0x80, 0x00, 0xff, 0x7f, + 0x00, 0x80, 0x80, 0x80, 0xff, 0xff, + 0xf1, 0x39, 0xbc, 0x8a, 0xec, 0x5a }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int32_t a, b, c, d, e, f, g, h, i, j; + ASSERT_TRUE(cursor + .Read(2, false, &a) + .Read(2, false, &b) + .Read(2, false, &c) + .Read(2, false, &d) + .Read(2, false, &e) + .Read(2, false, &f) + .Read(2, false, &g) + .Read(2, false, &h) + .Read(2, false, &i)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x80, b); + EXPECT_EQ(0x7fff, c); + EXPECT_EQ(0x8000, d); + EXPECT_EQ(0x8080, e); + EXPECT_EQ(0xffff, f); + EXPECT_EQ(0x39f1, g); + EXPECT_EQ(0x8abc, h); + EXPECT_EQ(0x5aec, i); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(2, false, &j)); +} + +TEST(LittleEndian, Unsigned4) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0x7f, + 0x00, 0x00, 0x00, 0x80, + 0xff, 0xff, 0xff, 0xff, + 0xef, 0xff, 0xb1, 0xb6, + 0x46, 0xca, 0x6a, 0x19 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(4, false, &a) + .Read(4, false, &b) + .Read(4, false, &c) + .Read(4, false, &d) + .Read(4, false, &e) + .Read(4, false, &f)); + EXPECT_EQ(0, a); + EXPECT_EQ(0x7fffffff, b); + EXPECT_EQ(0x80000000, c); + EXPECT_EQ(0xffffffff, d); + EXPECT_EQ(0xb6b1ffef, e); + EXPECT_EQ(0x196aca46, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(4, false, &g)); +} + +TEST(LittleEndian, Unsigned8) { + uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x9c, 0x87, 0xd5, 0xd2, 0xe9, 0xd5, 0x20, 0x93, + 0xa4, 0x14, 0x84, 0x7f, 0xd2, 0x49, 0x42, 0x4e }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + uint64_t a, b, c, d, e, f, g; + ASSERT_TRUE(cursor + .Read(8, false, &a) + .Read(8, false, &b) + .Read(8, false, &c) + .Read(8, false, &d) + .Read(8, false, &e) + .Read(8, false, &f)); + EXPECT_EQ(0U, a); + EXPECT_EQ(0x7fffffffffffffffULL, b); + EXPECT_EQ(0x8000000000000000ULL, c); + EXPECT_EQ(0xffffffffffffffffULL, d); + EXPECT_EQ(0x9320d5e9d2d5879cULL, e); + EXPECT_EQ(0x4e4249d27f8414a4ULL, f); + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor.Read(8, false, &g)); +} + +TEST(Extractor, Signed1) { + uint8_t data[] = { 0xfd }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int8_t a; + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(-3, a); + EXPECT_FALSE(cursor >> a); +} + +TEST(Extractor, Signed2) { + uint8_t data[] = { 0x13, 0xcd }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int16_t a; + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(-13037, a); + EXPECT_FALSE(cursor >> a); +} + +TEST(Extractor, Signed4) { + uint8_t data[] = { 0xd2, 0xe4, 0x53, 0xe9 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + int32_t a; + // For some reason, G++ 4.4.1 complains: + // warning: array subscript is above array bounds + // in ByteCursor::Read(size_t, bool, T *) as it inlines this call, but + // I'm not able to see how such a reference would occur. + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(-380377902, a); + EXPECT_FALSE(cursor >> a); +} + +TEST(Extractor, Unsigned1) { + uint8_t data[] = { 0xfd }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + uint8_t a; + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(0xfd, a); + EXPECT_FALSE(cursor >> a); +} + +TEST(Extractor, Unsigned2) { + uint8_t data[] = { 0x13, 0xcd }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + uint16_t a; + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(0xcd13, a); + EXPECT_FALSE(cursor >> a); +} + +TEST(Extractor, Unsigned4) { + uint8_t data[] = { 0xd2, 0xe4, 0x53, 0xe9 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + uint32_t a; + // For some reason, G++ 4.4.1 complains: + // warning: array subscript is above array bounds + // in ByteCursor::Read(size_t, bool, T *) as it inlines this call, but + // I'm not able to see how such a reference would occur. + EXPECT_TRUE(cursor >> a); + EXPECT_EQ(0xe953e4d2, a); + EXPECT_FALSE(cursor >> a); + EXPECT_FALSE(cursor >> a); +} + +TEST(Extractor, Mixed) { + uint8_t data[] = { 0x42, + 0x25, 0x0b, + 0x3d, 0x25, 0xed, 0x2a, + 0xec, 0x16, 0x9e, 0x14, 0x61, 0x5b, 0x2c, 0xcf, + 0xd8, + 0x22, 0xa5, + 0x3a, 0x02, 0x6a, 0xd7, + 0x93, 0x2a, 0x2d, 0x8d, 0xb4, 0x95, 0xe0, 0xc6 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + cursor.set_big_endian(true); + + uint8_t a; + uint16_t b; + uint32_t c; + uint64_t d; + int8_t e; + int16_t f; + int32_t g; + int64_t h; + int z; + EXPECT_FALSE(cursor.AtEnd()); + EXPECT_TRUE(cursor >> a >> b >> c >> d >> e >> f >> g >> h); + EXPECT_EQ(0x42U, a); + EXPECT_EQ(0x250bU, b); + EXPECT_EQ(0x3d25ed2aU, c); + EXPECT_EQ(0xec169e14615b2ccfULL, d); + EXPECT_EQ(-40, e); + EXPECT_EQ(0x22a5, f); + EXPECT_EQ(0x3a026ad7, g); + EXPECT_EQ(-7842405714468937530LL, h); + + EXPECT_TRUE(cursor.AtEnd()); + EXPECT_FALSE(cursor >> z); +} + +TEST(Strings, Zero) { + uint8_t data[] = { 0xa6 }; + ByteBuffer buffer(data, 0); + ByteCursor cursor(&buffer); + + uint8_t received[1]; + received[0] = 0xc2; + EXPECT_TRUE(cursor.Read(received, 0)); + EXPECT_EQ(0xc2U, received[0]); +} + +TEST(Strings, Some) { + uint8_t data[] = { 0x5d, 0x31, 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xbb }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + + uint8_t received[7] = { 0xa7, 0xf7, 0x43, 0x0c, 0x27, 0xea, 0xed }; + EXPECT_TRUE(cursor.Skip(2).Read(received, 5)); + uint8_t expected[7] = { 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xea, 0xed }; + EXPECT_TRUE(memcmp(received, expected, 7) == 0); +} + +TEST(Strings, TooMuch) { + uint8_t data[] = { 0x5d, 0x31, 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xbb }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + + uint8_t received1[3]; + uint8_t received2[3]; + uint8_t received3[3]; + EXPECT_FALSE(cursor + .Read(received1, 3) + .Read(received2, 3) + .Read(received3, 3)); + uint8_t expected1[3] = { 0x5d, 0x31, 0x09 }; + uint8_t expected2[3] = { 0xa6, 0x2e, 0x2c }; + + EXPECT_TRUE(memcmp(received1, expected1, 3) == 0); + EXPECT_TRUE(memcmp(received2, expected2, 3) == 0); +} + +TEST(Strings, PointTo) { + uint8_t data[] = { 0x83, 0x80, 0xb4, 0x38, 0x00, 0x2c, 0x0a, 0x27 }; + ByteBuffer buffer(data, sizeof(data)); + ByteCursor cursor(&buffer); + + const uint8_t *received1; + const uint8_t *received2; + const uint8_t *received3; + const uint8_t *received4; + EXPECT_FALSE(cursor + .PointTo(&received1, 3) + .PointTo(&received2, 3) + .PointTo(&received3) + .PointTo(&received4, 3)); + EXPECT_EQ(data + 0, received1); + EXPECT_EQ(data + 3, received2); + EXPECT_EQ(data + 6, received3); + EXPECT_EQ(NULL, received4); +} + +TEST(Strings, CString) { + uint8_t data[] = "abc\0\0foo"; + ByteBuffer buffer(data, sizeof(data) - 1); // don't include terminating '\0' + ByteCursor cursor(&buffer); + + string a, b, c; + EXPECT_TRUE(cursor.CString(&a).CString(&b)); + EXPECT_EQ("abc", a); + EXPECT_EQ("", b); + EXPECT_FALSE(cursor.CString(&c)); + EXPECT_EQ("", c); + EXPECT_TRUE(cursor.AtEnd()); +} + +TEST(Strings, CStringLimit) { + uint8_t data[] = "abcdef\0\0foobar"; + ByteBuffer buffer(data, sizeof(data) - 1); // don't include terminating '\0' + ByteCursor cursor(&buffer); + + string a, b, c, d, e; + + EXPECT_TRUE(cursor.CString(&a, 3)); + EXPECT_EQ("abc", a); + + EXPECT_TRUE(cursor.CString(&b, 0)); + EXPECT_EQ("", b); + + EXPECT_TRUE(cursor.CString(&c, 6)); + EXPECT_EQ("def", c); + + EXPECT_TRUE(cursor.CString(&d, 4)); + EXPECT_EQ("ooba", d); + + EXPECT_FALSE(cursor.CString(&e, 4)); + EXPECT_EQ("", e); + + EXPECT_TRUE(cursor.AtEnd()); +} + +// uint8_t data[] = { 0xa6, 0x54, 0xdf, 0x67, 0x51, 0x43, 0xac, 0xf1 }; +// ByteBuffer buffer(data, sizeof(data)); diff --git a/google-breakpad/src/common/convert_UTF.c b/google-breakpad/src/common/convert_UTF.c new file mode 100644 index 0000000..80178d3 --- /dev/null +++ b/google-breakpad/src/common/convert_UTF.c @@ -0,0 +1,533 @@ +/* + * Copyright 2001-2004 Unicode, Inc. + * + * Disclaimer + * + * This source code is provided as is by Unicode, Inc. No claims are + * made as to fitness for any particular purpose. No warranties of any + * kind are expressed or implied. The recipient agrees to determine + * applicability of information provided. If this file has been + * purchased on magnetic or optical media from Unicode, Inc., the + * sole remedy for any claim will be exchange of defective media + * within 90 days of receipt. + * + * Limitations on Rights to Redistribute This Code + * + * Unicode, Inc. hereby grants the right to freely use the information + * supplied in this file in the creation of products supporting the + * Unicode Standard, and to make copies of this file in any form + * for internal or external distribution as long as this notice + * remains attached. + */ + +/* --------------------------------------------------------------------- + +Conversions between UTF32, UTF-16, and UTF-8. Source code file. +Author: Mark E. Davis, 1994. +Rev History: Rick McGowan, fixes & updates May 2001. +Sept 2001: fixed const & error conditions per +mods suggested by S. Parent & A. Lillich. +June 2002: Tim Dodd added detection and handling of incomplete +source sequences, enhanced error detection, added casts +to eliminate compiler warnings. +July 2003: slight mods to back out aggressive FFFE detection. +Jan 2004: updated switches in from-UTF8 conversions. +Oct 2004: updated to use UNI_MAX_LEGAL_UTF32 in UTF-32 conversions. + +See the header file "ConvertUTF.h" for complete documentation. + +------------------------------------------------------------------------ */ + + +#include "convert_UTF.h" +#ifdef CVTUTF_DEBUG +#include +#endif + +static const int halfShift = 10; /* used for shifting by 10 bits */ + +static const UTF32 halfBase = 0x0010000UL; +static const UTF32 halfMask = 0x3FFUL; + +#define UNI_SUR_HIGH_START (UTF32)0xD800 +#define UNI_SUR_HIGH_END (UTF32)0xDBFF +#define UNI_SUR_LOW_START (UTF32)0xDC00 +#define UNI_SUR_LOW_END (UTF32)0xDFFF +#define false 0 +#define true 1 + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF32toUTF16 (const UTF32** sourceStart, const UTF32* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF32* source = *sourceStart; + UTF16* target = *targetStart; + while (source < sourceEnd) { + UTF32 ch; + if (target >= targetEnd) { + result = targetExhausted; break; + } + ch = *source++; + if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ + /* UTF-16 surrogate values are illegal in UTF-32; 0xffff or 0xfffe are both reserved values */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + if (flags == strictConversion) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + *target++ = (UTF16)ch; /* normal case */ + } + } else if (ch > UNI_MAX_LEGAL_UTF32) { + if (flags == strictConversion) { + result = sourceIllegal; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + /* target is a character in range 0xFFFF - 0x10FFFF. */ + if (target + 1 >= targetEnd) { + --source; /* Back up source pointer! */ + result = targetExhausted; break; + } + ch -= halfBase; + *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START); + *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START); + } + } +*sourceStart = source; +*targetStart = target; +return result; +} + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF16toUTF32 (const UTF16** sourceStart, const UTF16* sourceEnd, + UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF16* source = *sourceStart; + UTF32* target = *targetStart; + UTF32 ch, ch2; + while (source < sourceEnd) { + const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */ + ch = *source++; + /* If we have a surrogate pair, convert to UTF32 first. */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) { + /* If the 16 bits following the high surrogate are in the source buffer... */ + if (source < sourceEnd) { + ch2 = *source; + /* If it's a low surrogate, convert to UTF32. */ + if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { + ch = ((ch - UNI_SUR_HIGH_START) << halfShift) + + (ch2 - UNI_SUR_LOW_START) + halfBase; + ++source; + } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } else { /* We don't have the 16 bits following the high surrogate. */ + --source; /* return to the high surrogate */ + result = sourceExhausted; + break; + } + } else if (flags == strictConversion) { + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } + if (target >= targetEnd) { + source = oldSource; /* Back up source pointer! */ + result = targetExhausted; break; + } + *target++ = ch; + } + *sourceStart = source; + *targetStart = target; +#ifdef CVTUTF_DEBUG + if (result == sourceIllegal) { + fprintf(stderr, "ConvertUTF16toUTF32 illegal seq 0x%04x,%04x\n", ch, ch2); + fflush(stderr); + } +#endif + return result; +} + +/* --------------------------------------------------------------------- */ + +/* + * Index into the table below with the first byte of a UTF-8 sequence to + * get the number of trailing bytes that are supposed to follow it. + * Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is + * left as-is for anyone who may want to do such conversion, which was + * allowed in earlier algorithms. + */ +static const char trailingBytesForUTF8[256] = { + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 +}; + +/* + * Magic values subtracted from a buffer value during UTF8 conversion. + * This table contains as many values as there might be trailing bytes + * in a UTF-8 sequence. + */ +static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, + 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; + +/* + * Once the bits are split out into bytes of UTF-8, this is a mask OR-ed + * into the first byte, depending on how many bytes follow. There are + * as many entries in this table as there are UTF-8 sequence types. + * (I.e., one byte sequence, two byte... etc.). Remember that sequencs + * for *legal* UTF-8 will be 4 or fewer bytes total. + */ +static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + +/* --------------------------------------------------------------------- */ + +/* The interface converts a whole buffer to avoid function-call overhead. +* Constants have been gathered. Loops & conditionals have been removed as +* much as possible for efficiency, in favor of drop-through switches. +* (See "Note A" at the bottom of the file for equivalent code.) +* If your compiler supports it, the "isLegalUTF8" call can be turned +* into an inline function. +*/ + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF16toUTF8 (const UTF16** sourceStart, const UTF16* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF16* source = *sourceStart; + UTF8* target = *targetStart; + while (source < sourceEnd) { + UTF32 ch; + unsigned short bytesToWrite = 0; + const UTF32 byteMask = 0xBF; + const UTF32 byteMark = 0x80; + const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */ + ch = *source++; + /* If we have a surrogate pair, convert to UTF32 first. */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) { + /* If the 16 bits following the high surrogate are in the source buffer... */ + if (source < sourceEnd) { + UTF32 ch2 = *source; + /* If it's a low surrogate, convert to UTF32. */ + if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { + ch = ((ch - UNI_SUR_HIGH_START) << halfShift) + + (ch2 - UNI_SUR_LOW_START) + halfBase; + ++source; + } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } else { /* We don't have the 16 bits following the high surrogate. */ + --source; /* return to the high surrogate */ + result = sourceExhausted; + break; + } + } else if (flags == strictConversion) { + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } + /* Figure out how many bytes the result will require */ + if (ch < (UTF32)0x80) { bytesToWrite = 1; + } else if (ch < (UTF32)0x800) { bytesToWrite = 2; + } else if (ch < (UTF32)0x10000) { bytesToWrite = 3; + } else if (ch < (UTF32)0x110000) { bytesToWrite = 4; + } else { bytesToWrite = 3; + ch = UNI_REPLACEMENT_CHAR; + } + + target += bytesToWrite; + if (target > targetEnd) { + source = oldSource; /* Back up source pointer! */ + target -= bytesToWrite; result = targetExhausted; break; + } + switch (bytesToWrite) { /* note: everything falls through. */ + case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 1: *--target = (UTF8)(ch | firstByteMark[bytesToWrite]); + } + target += bytesToWrite; + } +*sourceStart = source; +*targetStart = target; +return result; +} + +/* --------------------------------------------------------------------- */ + +/* + * Utility routine to tell whether a sequence of bytes is legal UTF-8. + * This must be called with the length pre-determined by the first byte. + * If not calling this from ConvertUTF8to*, then the length can be set by: + * length = trailingBytesForUTF8[*source]+1; + * and the sequence is illegal right away if there aren't that many bytes + * available. + * If presented with a length > 4, this returns false. The Unicode + * definition of UTF-8 goes up to 4-byte sequences. + */ + +static Boolean isLegalUTF8(const UTF8 *source, int length) { + UTF8 a; + const UTF8 *srcptr = source+length; + switch (length) { + default: return false; + /* Everything else falls through when "true"... */ + case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; + case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; + case 2: if ((a = (*--srcptr)) > 0xBF) return false; + + switch (*source) { + /* no fall-through in this inner switch */ + case 0xE0: if (a < 0xA0) return false; break; + case 0xED: if (a > 0x9F) return false; break; + case 0xF0: if (a < 0x90) return false; break; + case 0xF4: if (a > 0x8F) return false; break; + default: if (a < 0x80) return false; + } + + case 1: if (*source >= 0x80 && *source < 0xC2) return false; + } + if (*source > 0xF4) return false; + return true; +} + +/* --------------------------------------------------------------------- */ + +/* + * Exported function to return whether a UTF-8 sequence is legal or not. + * This is not used here; it's just exported. + */ +Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd) { + int length = trailingBytesForUTF8[*source]+1; + if (source+length > sourceEnd) { + return false; + } + return isLegalUTF8(source, length); +} + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF8toUTF16 (const UTF8** sourceStart, const UTF8* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF8* source = *sourceStart; + UTF16* target = *targetStart; + while (source < sourceEnd) { + UTF32 ch = 0; + unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; + if (source + extraBytesToRead >= sourceEnd) { + result = sourceExhausted; break; + } + /* Do this check whether lenient or strict */ + if (! isLegalUTF8(source, extraBytesToRead+1)) { + result = sourceIllegal; + break; + } + /* + * The cases all fall through. See "Note A" below. + */ + switch (extraBytesToRead) { + case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ + case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ + case 3: ch += *source++; ch <<= 6; + case 2: ch += *source++; ch <<= 6; + case 1: ch += *source++; ch <<= 6; + case 0: ch += *source++; + } + ch -= offsetsFromUTF8[extraBytesToRead]; + + if (target >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up source pointer! */ + result = targetExhausted; break; + } + if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + if (flags == strictConversion) { + source -= (extraBytesToRead+1); /* return to the illegal value itself */ + result = sourceIllegal; + break; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + *target++ = (UTF16)ch; /* normal case */ + } + } else if (ch > UNI_MAX_UTF16) { + if (flags == strictConversion) { + result = sourceIllegal; + source -= (extraBytesToRead+1); /* return to the start */ + break; /* Bail out; shouldn't continue */ + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + /* target is a character in range 0xFFFF - 0x10FFFF. */ + if (target + 1 >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up source pointer! */ + result = targetExhausted; break; + } + ch -= halfBase; + *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START); + *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START); + } + } +*sourceStart = source; +*targetStart = target; +return result; +} + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF32toUTF8 (const UTF32** sourceStart, const UTF32* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF32* source = *sourceStart; + UTF8* target = *targetStart; + while (source < sourceEnd) { + UTF32 ch; + unsigned short bytesToWrite = 0; + const UTF32 byteMask = 0xBF; + const UTF32 byteMark = 0x80; + ch = *source++; + if (flags == strictConversion ) { + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } + /* + * Figure out how many bytes the result will require. Turn any + * illegally large UTF32 things (> Plane 17) into replacement chars. + */ + if (ch < (UTF32)0x80) { bytesToWrite = 1; + } else if (ch < (UTF32)0x800) { bytesToWrite = 2; + } else if (ch < (UTF32)0x10000) { bytesToWrite = 3; + } else if (ch <= UNI_MAX_LEGAL_UTF32) { bytesToWrite = 4; + } else { bytesToWrite = 3; + ch = UNI_REPLACEMENT_CHAR; + result = sourceIllegal; + } + + target += bytesToWrite; + if (target > targetEnd) { + --source; /* Back up source pointer! */ + target -= bytesToWrite; result = targetExhausted; break; + } + switch (bytesToWrite) { /* note: everything falls through. */ + case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 1: *--target = (UTF8) (ch | firstByteMark[bytesToWrite]); + } + target += bytesToWrite; + } +*sourceStart = source; +*targetStart = target; +return result; +} + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF8toUTF32 (const UTF8** sourceStart, const UTF8* sourceEnd, + UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF8* source = *sourceStart; + UTF32* target = *targetStart; + while (source < sourceEnd) { + UTF32 ch = 0; + unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; + if (source + extraBytesToRead >= sourceEnd) { + result = sourceExhausted; break; + } + /* Do this check whether lenient or strict */ + if (! isLegalUTF8(source, extraBytesToRead+1)) { + result = sourceIllegal; + break; + } + /* + * The cases all fall through. See "Note A" below. + */ + switch (extraBytesToRead) { + case 5: ch += *source++; ch <<= 6; + case 4: ch += *source++; ch <<= 6; + case 3: ch += *source++; ch <<= 6; + case 2: ch += *source++; ch <<= 6; + case 1: ch += *source++; ch <<= 6; + case 0: ch += *source++; + } + ch -= offsetsFromUTF8[extraBytesToRead]; + + if (target >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up the source pointer! */ + result = targetExhausted; break; + } + if (ch <= UNI_MAX_LEGAL_UTF32) { + /* + * UTF-16 surrogate values are illegal in UTF-32, and anything + * over Plane 17 (> 0x10FFFF) is illegal. + */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + if (flags == strictConversion) { + source -= (extraBytesToRead+1); /* return to the illegal value itself */ + result = sourceIllegal; + break; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + *target++ = ch; + } + } else { /* i.e., ch > UNI_MAX_LEGAL_UTF32 */ + result = sourceIllegal; + *target++ = UNI_REPLACEMENT_CHAR; + } + } + *sourceStart = source; + *targetStart = target; + return result; +} + +/* --------------------------------------------------------------------- + +Note A. +The fall-through switches in UTF-8 reading code save a +temp variable, some decrements & conditionals. The switches +are equivalent to the following loop: +{ + int tmpBytesToRead = extraBytesToRead+1; + do { + ch += *source++; + --tmpBytesToRead; + if (tmpBytesToRead) ch <<= 6; + } while (tmpBytesToRead > 0); +} +In UTF-8 writing code, the switches on "bytesToWrite" are +similarly unrolled loops. + +--------------------------------------------------------------------- */ diff --git a/google-breakpad/src/common/convert_UTF.h b/google-breakpad/src/common/convert_UTF.h new file mode 100644 index 0000000..b1556de --- /dev/null +++ b/google-breakpad/src/common/convert_UTF.h @@ -0,0 +1,143 @@ +/* + * Copyright 2001-2004 Unicode, Inc. + * + * Disclaimer + * + * This source code is provided as is by Unicode, Inc. No claims are + * made as to fitness for any particular purpose. No warranties of any + * kind are expressed or implied. The recipient agrees to determine + * applicability of information provided. If this file has been + * purchased on magnetic or optical media from Unicode, Inc., the + * sole remedy for any claim will be exchange of defective media + * within 90 days of receipt. + * + * Limitations on Rights to Redistribute This Code + * + * Unicode, Inc. hereby grants the right to freely use the information + * supplied in this file in the creation of products supporting the + * Unicode Standard, and to make copies of this file in any form + * for internal or external distribution as long as this notice + * remains attached. + */ + +/* --------------------------------------------------------------------- + +Conversions between UTF32, UTF-16, and UTF-8. Header file. + +Several funtions are included here, forming a complete set of +conversions between the three formats. UTF-7 is not included +here, but is handled in a separate source file. + +Each of these routines takes pointers to input buffers and output +buffers. The input buffers are const. + +Each routine converts the text between *sourceStart and sourceEnd, +putting the result into the buffer between *targetStart and +targetEnd. Note: the end pointers are *after* the last item: e.g. +*(sourceEnd - 1) is the last item. + +The return result indicates whether the conversion was successful, +and if not, whether the problem was in the source or target buffers. +(Only the first encountered problem is indicated.) + +After the conversion, *sourceStart and *targetStart are both +updated to point to the end of last text successfully converted in +the respective buffers. + +Input parameters: +sourceStart - pointer to a pointer to the source buffer. +The contents of this are modified on return so that +it points at the next thing to be converted. +targetStart - similarly, pointer to pointer to the target buffer. +sourceEnd, targetEnd - respectively pointers to the ends of the +two buffers, for overflow checking only. + +These conversion functions take a ConversionFlags argument. When this +flag is set to strict, both irregular sequences and isolated surrogates +will cause an error. When the flag is set to lenient, both irregular +sequences and isolated surrogates are converted. + +Whether the flag is strict or lenient, all illegal sequences will cause +an error return. This includes sequences such as: , , +or in UTF-8, and values above 0x10FFFF in UTF-32. Conformant code +must check for illegal sequences. + +When the flag is set to lenient, characters over 0x10FFFF are converted +to the replacement character; otherwise (when the flag is set to strict) +they constitute an error. + +Output parameters: +The value "sourceIllegal" is returned from some routines if the input +sequence is malformed. When "sourceIllegal" is returned, the source +value will point to the illegal value that caused the problem. E.g., +in UTF-8 when a sequence is malformed, it points to the start of the +malformed sequence. + +Author: Mark E. Davis, 1994. +Rev History: Rick McGowan, fixes & updates May 2001. +Fixes & updates, Sept 2001. + +------------------------------------------------------------------------ */ + +/* --------------------------------------------------------------------- +The following 4 definitions are compiler-specific. +The C standard does not guarantee that wchar_t has at least +16 bits, so wchar_t is no less portable than unsigned short! +All should be unsigned values to avoid sign extension during +bit mask & shift operations. +------------------------------------------------------------------------ */ + +typedef unsigned long UTF32; /* at least 32 bits */ +typedef unsigned short UTF16; /* at least 16 bits */ +typedef unsigned char UTF8; /* typically 8 bits */ +typedef unsigned char Boolean; /* 0 or 1 */ + +/* Some fundamental constants */ +#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD +#define UNI_MAX_BMP (UTF32)0x0000FFFF +#define UNI_MAX_UTF16 (UTF32)0x0010FFFF +#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF +#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF + +typedef enum { + conversionOK, /* conversion successful */ + sourceExhausted, /* partial character in source, but hit end */ + targetExhausted, /* insuff. room in target for conversion */ + sourceIllegal /* source sequence is illegal/malformed */ +} ConversionResult; + +typedef enum { + strictConversion = 0, + lenientConversion +} ConversionFlags; + +/* This is for C++ and does no harm in C */ +#ifdef __cplusplus +extern "C" { +#endif + +ConversionResult ConvertUTF8toUTF16 (const UTF8** sourceStart, const UTF8* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags); + +ConversionResult ConvertUTF16toUTF8 (const UTF16** sourceStart, const UTF16* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags); + +ConversionResult ConvertUTF8toUTF32 (const UTF8** sourceStart, const UTF8* sourceEnd, + UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags); + +ConversionResult ConvertUTF32toUTF8 (const UTF32** sourceStart, const UTF32* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags); + +ConversionResult ConvertUTF16toUTF32 (const UTF16** sourceStart, const UTF16* sourceEnd, + UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags); + +ConversionResult ConvertUTF32toUTF16 (const UTF32** sourceStart, const UTF32* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags); + +Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd); + +#ifdef __cplusplus +} +#endif + +/* --------------------------------------------------------------------- */ diff --git a/google-breakpad/src/common/dwarf/bytereader-inl.h b/google-breakpad/src/common/dwarf/bytereader-inl.h new file mode 100644 index 0000000..3c16708 --- /dev/null +++ b/google-breakpad/src/common/dwarf/bytereader-inl.h @@ -0,0 +1,175 @@ +// Copyright 2006 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef UTIL_DEBUGINFO_BYTEREADER_INL_H__ +#define UTIL_DEBUGINFO_BYTEREADER_INL_H__ + +#include "common/dwarf/bytereader.h" + +#include + +namespace dwarf2reader { + +inline uint8 ByteReader::ReadOneByte(const char* buffer) const { + return buffer[0]; +} + +inline uint16 ByteReader::ReadTwoBytes(const char* signed_buffer) const { + const unsigned char *buffer + = reinterpret_cast(signed_buffer); + const uint16 buffer0 = buffer[0]; + const uint16 buffer1 = buffer[1]; + if (endian_ == ENDIANNESS_LITTLE) { + return buffer0 | buffer1 << 8; + } else { + return buffer1 | buffer0 << 8; + } +} + +inline uint64 ByteReader::ReadFourBytes(const char* signed_buffer) const { + const unsigned char *buffer + = reinterpret_cast(signed_buffer); + const uint32 buffer0 = buffer[0]; + const uint32 buffer1 = buffer[1]; + const uint32 buffer2 = buffer[2]; + const uint32 buffer3 = buffer[3]; + if (endian_ == ENDIANNESS_LITTLE) { + return buffer0 | buffer1 << 8 | buffer2 << 16 | buffer3 << 24; + } else { + return buffer3 | buffer2 << 8 | buffer1 << 16 | buffer0 << 24; + } +} + +inline uint64 ByteReader::ReadEightBytes(const char* signed_buffer) const { + const unsigned char *buffer + = reinterpret_cast(signed_buffer); + const uint64 buffer0 = buffer[0]; + const uint64 buffer1 = buffer[1]; + const uint64 buffer2 = buffer[2]; + const uint64 buffer3 = buffer[3]; + const uint64 buffer4 = buffer[4]; + const uint64 buffer5 = buffer[5]; + const uint64 buffer6 = buffer[6]; + const uint64 buffer7 = buffer[7]; + if (endian_ == ENDIANNESS_LITTLE) { + return buffer0 | buffer1 << 8 | buffer2 << 16 | buffer3 << 24 | + buffer4 << 32 | buffer5 << 40 | buffer6 << 48 | buffer7 << 56; + } else { + return buffer7 | buffer6 << 8 | buffer5 << 16 | buffer4 << 24 | + buffer3 << 32 | buffer2 << 40 | buffer1 << 48 | buffer0 << 56; + } +} + +// Read an unsigned LEB128 number. Each byte contains 7 bits of +// information, plus one bit saying whether the number continues or +// not. + +inline uint64 ByteReader::ReadUnsignedLEB128(const char* buffer, + size_t* len) const { + uint64 result = 0; + size_t num_read = 0; + unsigned int shift = 0; + unsigned char byte; + + do { + byte = *buffer++; + num_read++; + + result |= (static_cast(byte & 0x7f)) << shift; + + shift += 7; + + } while (byte & 0x80); + + *len = num_read; + + return result; +} + +// Read a signed LEB128 number. These are like regular LEB128 +// numbers, except the last byte may have a sign bit set. + +inline int64 ByteReader::ReadSignedLEB128(const char* buffer, + size_t* len) const { + int64 result = 0; + unsigned int shift = 0; + size_t num_read = 0; + unsigned char byte; + + do { + byte = *buffer++; + num_read++; + result |= (static_cast(byte & 0x7f) << shift); + shift += 7; + } while (byte & 0x80); + + if ((shift < 8 * sizeof (result)) && (byte & 0x40)) + result |= -((static_cast(1)) << shift); + *len = num_read; + return result; +} + +inline uint64 ByteReader::ReadOffset(const char* buffer) const { + assert(this->offset_reader_); + return (this->*offset_reader_)(buffer); +} + +inline uint64 ByteReader::ReadAddress(const char* buffer) const { + assert(this->address_reader_); + return (this->*address_reader_)(buffer); +} + +inline void ByteReader::SetCFIDataBase(uint64 section_base, + const char *buffer_base) { + section_base_ = section_base; + buffer_base_ = buffer_base; + have_section_base_ = true; +} + +inline void ByteReader::SetTextBase(uint64 text_base) { + text_base_ = text_base; + have_text_base_ = true; +} + +inline void ByteReader::SetDataBase(uint64 data_base) { + data_base_ = data_base; + have_data_base_ = true; +} + +inline void ByteReader::SetFunctionBase(uint64 function_base) { + function_base_ = function_base; + have_function_base_ = true; +} + +inline void ByteReader::ClearFunctionBase() { + have_function_base_ = false; +} + +} // namespace dwarf2reader + +#endif // UTIL_DEBUGINFO_BYTEREADER_INL_H__ diff --git a/google-breakpad/src/common/dwarf/bytereader.cc b/google-breakpad/src/common/dwarf/bytereader.cc new file mode 100644 index 0000000..6802026 --- /dev/null +++ b/google-breakpad/src/common/dwarf/bytereader.cc @@ -0,0 +1,245 @@ +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include + +#include "common/dwarf/bytereader-inl.h" +#include "common/dwarf/bytereader.h" + +namespace dwarf2reader { + +ByteReader::ByteReader(enum Endianness endian) + :offset_reader_(NULL), address_reader_(NULL), endian_(endian), + address_size_(0), offset_size_(0), + have_section_base_(), have_text_base_(), have_data_base_(), + have_function_base_() { } + +ByteReader::~ByteReader() { } + +void ByteReader::SetOffsetSize(uint8 size) { + offset_size_ = size; + assert(size == 4 || size == 8); + if (size == 4) { + this->offset_reader_ = &ByteReader::ReadFourBytes; + } else { + this->offset_reader_ = &ByteReader::ReadEightBytes; + } +} + +void ByteReader::SetAddressSize(uint8 size) { + address_size_ = size; + assert(size == 4 || size == 8); + if (size == 4) { + this->address_reader_ = &ByteReader::ReadFourBytes; + } else { + this->address_reader_ = &ByteReader::ReadEightBytes; + } +} + +uint64 ByteReader::ReadInitialLength(const char* start, size_t* len) { + const uint64 initial_length = ReadFourBytes(start); + start += 4; + + // In DWARF2/3, if the initial length is all 1 bits, then the offset + // size is 8 and we need to read the next 8 bytes for the real length. + if (initial_length == 0xffffffff) { + SetOffsetSize(8); + *len = 12; + return ReadOffset(start); + } else { + SetOffsetSize(4); + *len = 4; + } + return initial_length; +} + +bool ByteReader::ValidEncoding(DwarfPointerEncoding encoding) const { + if (encoding == DW_EH_PE_omit) return true; + if (encoding == DW_EH_PE_aligned) return true; + if ((encoding & 0x7) > DW_EH_PE_udata8) + return false; + if ((encoding & 0x70) > DW_EH_PE_funcrel) + return false; + return true; +} + +bool ByteReader::UsableEncoding(DwarfPointerEncoding encoding) const { + switch (encoding & 0x70) { + case DW_EH_PE_absptr: return true; + case DW_EH_PE_pcrel: return have_section_base_; + case DW_EH_PE_textrel: return have_text_base_; + case DW_EH_PE_datarel: return have_data_base_; + case DW_EH_PE_funcrel: return have_function_base_; + default: return false; + } +} + +uint64 ByteReader::ReadEncodedPointer(const char *buffer, + DwarfPointerEncoding encoding, + size_t *len) const { + // UsableEncoding doesn't approve of DW_EH_PE_omit, so we shouldn't + // see it here. + assert(encoding != DW_EH_PE_omit); + + // The Linux Standards Base 4.0 does not make this clear, but the + // GNU tools (gcc/unwind-pe.h; readelf/dwarf.c; gdb/dwarf2-frame.c) + // agree that aligned pointers are always absolute, machine-sized, + // machine-signed pointers. + if (encoding == DW_EH_PE_aligned) { + assert(have_section_base_); + + // We don't need to align BUFFER in *our* address space. Rather, we + // need to find the next position in our buffer that would be aligned + // when the .eh_frame section the buffer contains is loaded into the + // program's memory. So align assuming that buffer_base_ gets loaded at + // address section_base_, where section_base_ itself may or may not be + // aligned. + + // First, find the offset to START from the closest prior aligned + // address. + uint64 skew = section_base_ & (AddressSize() - 1); + // Now find the offset from that aligned address to buffer. + uint64 offset = skew + (buffer - buffer_base_); + // Round up to the next boundary. + uint64 aligned = (offset + AddressSize() - 1) & -AddressSize(); + // Convert back to a pointer. + const char *aligned_buffer = buffer_base_ + (aligned - skew); + // Finally, store the length and actually fetch the pointer. + *len = aligned_buffer - buffer + AddressSize(); + return ReadAddress(aligned_buffer); + } + + // Extract the value first, ignoring whether it's a pointer or an + // offset relative to some base. + uint64 offset; + switch (encoding & 0x0f) { + case DW_EH_PE_absptr: + // DW_EH_PE_absptr is weird, as it is used as a meaningful value for + // both the high and low nybble of encoding bytes. When it appears in + // the high nybble, it means that the pointer is absolute, not an + // offset from some base address. When it appears in the low nybble, + // as here, it means that the pointer is stored as a normal + // machine-sized and machine-signed address. A low nybble of + // DW_EH_PE_absptr does not imply that the pointer is absolute; it is + // correct for us to treat the value as an offset from a base address + // if the upper nybble is not DW_EH_PE_absptr. + offset = ReadAddress(buffer); + *len = AddressSize(); + break; + + case DW_EH_PE_uleb128: + offset = ReadUnsignedLEB128(buffer, len); + break; + + case DW_EH_PE_udata2: + offset = ReadTwoBytes(buffer); + *len = 2; + break; + + case DW_EH_PE_udata4: + offset = ReadFourBytes(buffer); + *len = 4; + break; + + case DW_EH_PE_udata8: + offset = ReadEightBytes(buffer); + *len = 8; + break; + + case DW_EH_PE_sleb128: + offset = ReadSignedLEB128(buffer, len); + break; + + case DW_EH_PE_sdata2: + offset = ReadTwoBytes(buffer); + // Sign-extend from 16 bits. + offset = (offset ^ 0x8000) - 0x8000; + *len = 2; + break; + + case DW_EH_PE_sdata4: + offset = ReadFourBytes(buffer); + // Sign-extend from 32 bits. + offset = (offset ^ 0x80000000ULL) - 0x80000000ULL; + *len = 4; + break; + + case DW_EH_PE_sdata8: + // No need to sign-extend; this is the full width of our type. + offset = ReadEightBytes(buffer); + *len = 8; + break; + + default: + abort(); + } + + // Find the appropriate base address. + uint64 base; + switch (encoding & 0x70) { + case DW_EH_PE_absptr: + base = 0; + break; + + case DW_EH_PE_pcrel: + assert(have_section_base_); + base = section_base_ + (buffer - buffer_base_); + break; + + case DW_EH_PE_textrel: + assert(have_text_base_); + base = text_base_; + break; + + case DW_EH_PE_datarel: + assert(have_data_base_); + base = data_base_; + break; + + case DW_EH_PE_funcrel: + assert(have_function_base_); + base = function_base_; + break; + + default: + abort(); + } + + uint64 pointer = base + offset; + + // Remove inappropriate upper bits. + if (AddressSize() == 4) + pointer = pointer & 0xffffffff; + else + assert(AddressSize() == sizeof(uint64)); + + return pointer; +} + +} // namespace dwarf2reader diff --git a/google-breakpad/src/common/dwarf/bytereader.h b/google-breakpad/src/common/dwarf/bytereader.h new file mode 100644 index 0000000..e389427 --- /dev/null +++ b/google-breakpad/src/common/dwarf/bytereader.h @@ -0,0 +1,310 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_DWARF_BYTEREADER_H__ +#define COMMON_DWARF_BYTEREADER_H__ + +#include +#include "common/dwarf/types.h" +#include "common/dwarf/dwarf2enums.h" + +namespace dwarf2reader { + +// We can't use the obvious name of LITTLE_ENDIAN and BIG_ENDIAN +// because it conflicts with a macro +enum Endianness { + ENDIANNESS_BIG, + ENDIANNESS_LITTLE +}; + +// A ByteReader knows how to read single- and multi-byte values of +// various endiannesses, sizes, and encodings, as used in DWARF +// debugging information and Linux C++ exception handling data. +class ByteReader { + public: + // Construct a ByteReader capable of reading one-, two-, four-, and + // eight-byte values according to ENDIANNESS, absolute machine-sized + // addresses, DWARF-style "initial length" values, signed and + // unsigned LEB128 numbers, and Linux C++ exception handling data's + // encoded pointers. + explicit ByteReader(enum Endianness endianness); + virtual ~ByteReader(); + + // Read a single byte from BUFFER and return it as an unsigned 8 bit + // number. + uint8 ReadOneByte(const char* buffer) const; + + // Read two bytes from BUFFER and return them as an unsigned 16 bit + // number, using this ByteReader's endianness. + uint16 ReadTwoBytes(const char* buffer) const; + + // Read four bytes from BUFFER and return them as an unsigned 32 bit + // number, using this ByteReader's endianness. This function returns + // a uint64 so that it is compatible with ReadAddress and + // ReadOffset. The number it returns will never be outside the range + // of an unsigned 32 bit integer. + uint64 ReadFourBytes(const char* buffer) const; + + // Read eight bytes from BUFFER and return them as an unsigned 64 + // bit number, using this ByteReader's endianness. + uint64 ReadEightBytes(const char* buffer) const; + + // Read an unsigned LEB128 (Little Endian Base 128) number from + // BUFFER and return it as an unsigned 64 bit integer. Set LEN to + // the number of bytes read. + // + // The unsigned LEB128 representation of an integer N is a variable + // number of bytes: + // + // - If N is between 0 and 0x7f, then its unsigned LEB128 + // representation is a single byte whose value is N. + // + // - Otherwise, its unsigned LEB128 representation is (N & 0x7f) | + // 0x80, followed by the unsigned LEB128 representation of N / + // 128, rounded towards negative infinity. + // + // In other words, we break VALUE into groups of seven bits, put + // them in little-endian order, and then write them as eight-bit + // bytes with the high bit on all but the last. + uint64 ReadUnsignedLEB128(const char* buffer, size_t* len) const; + + // Read a signed LEB128 number from BUFFER and return it as an + // signed 64 bit integer. Set LEN to the number of bytes read. + // + // The signed LEB128 representation of an integer N is a variable + // number of bytes: + // + // - If N is between -0x40 and 0x3f, then its signed LEB128 + // representation is a single byte whose value is N in two's + // complement. + // + // - Otherwise, its signed LEB128 representation is (N & 0x7f) | + // 0x80, followed by the signed LEB128 representation of N / 128, + // rounded towards negative infinity. + // + // In other words, we break VALUE into groups of seven bits, put + // them in little-endian order, and then write them as eight-bit + // bytes with the high bit on all but the last. + int64 ReadSignedLEB128(const char* buffer, size_t* len) const; + + // Indicate that addresses on this architecture are SIZE bytes long. SIZE + // must be either 4 or 8. (DWARF allows addresses to be any number of + // bytes in length from 1 to 255, but we only support 32- and 64-bit + // addresses at the moment.) You must call this before using the + // ReadAddress member function. + // + // For data in a .debug_info section, or something that .debug_info + // refers to like line number or macro data, the compilation unit + // header's address_size field indicates the address size to use. Call + // frame information doesn't indicate its address size (a shortcoming of + // the spec); you must supply the appropriate size based on the + // architecture of the target machine. + void SetAddressSize(uint8 size); + + // Return the current address size, in bytes. This is either 4, + // indicating 32-bit addresses, or 8, indicating 64-bit addresses. + uint8 AddressSize() const { return address_size_; } + + // Read an address from BUFFER and return it as an unsigned 64 bit + // integer, respecting this ByteReader's endianness and address size. You + // must call SetAddressSize before calling this function. + uint64 ReadAddress(const char* buffer) const; + + // DWARF actually defines two slightly different formats: 32-bit DWARF + // and 64-bit DWARF. This is *not* related to the size of registers or + // addresses on the target machine; it refers only to the size of section + // offsets and data lengths appearing in the DWARF data. One only needs + // 64-bit DWARF when the debugging data itself is larger than 4GiB. + // 32-bit DWARF can handle x86_64 or PPC64 code just fine, unless the + // debugging data itself is very large. + // + // DWARF information identifies itself as 32-bit or 64-bit DWARF: each + // compilation unit and call frame information entry begins with an + // "initial length" field, which, in addition to giving the length of the + // data, also indicates the size of section offsets and lengths appearing + // in that data. The ReadInitialLength member function, below, reads an + // initial length and sets the ByteReader's offset size as a side effect. + // Thus, in the normal process of reading DWARF data, the appropriate + // offset size is set automatically. So, you should only need to call + // SetOffsetSize if you are using the same ByteReader to jump from the + // midst of one block of DWARF data into another. + + // Read a DWARF "initial length" field from START, and return it as + // an unsigned 64 bit integer, respecting this ByteReader's + // endianness. Set *LEN to the length of the initial length in + // bytes, either four or twelve. As a side effect, set this + // ByteReader's offset size to either 4 (if we see a 32-bit DWARF + // initial length) or 8 (if we see a 64-bit DWARF initial length). + // + // A DWARF initial length is either: + // + // - a byte count stored as an unsigned 32-bit value less than + // 0xffffff00, indicating that the data whose length is being + // measured uses the 32-bit DWARF format, or + // + // - The 32-bit value 0xffffffff, followed by a 64-bit byte count, + // indicating that the data whose length is being measured uses + // the 64-bit DWARF format. + uint64 ReadInitialLength(const char* start, size_t* len); + + // Read an offset from BUFFER and return it as an unsigned 64 bit + // integer, respecting the ByteReader's endianness. In 32-bit DWARF, the + // offset is 4 bytes long; in 64-bit DWARF, the offset is eight bytes + // long. You must call ReadInitialLength or SetOffsetSize before calling + // this function; see the comments above for details. + uint64 ReadOffset(const char* buffer) const; + + // Return the current offset size, in bytes. + // A return value of 4 indicates that we are reading 32-bit DWARF. + // A return value of 8 indicates that we are reading 64-bit DWARF. + uint8 OffsetSize() const { return offset_size_; } + + // Indicate that section offsets and lengths are SIZE bytes long. SIZE + // must be either 4 (meaning 32-bit DWARF) or 8 (meaning 64-bit DWARF). + // Usually, you should not call this function yourself; instead, let a + // call to ReadInitialLength establish the data's offset size + // automatically. + void SetOffsetSize(uint8 size); + + // The Linux C++ ABI uses a variant of DWARF call frame information + // for exception handling. This data is included in the program's + // address space as the ".eh_frame" section, and intepreted at + // runtime to walk the stack, find exception handlers, and run + // cleanup code. The format is mostly the same as DWARF CFI, with + // some adjustments made to provide the additional + // exception-handling data, and to make the data easier to work with + // in memory --- for example, to allow it to be placed in read-only + // memory even when describing position-independent code. + // + // In particular, exception handling data can select a number of + // different encodings for pointers that appear in the data, as + // described by the DwarfPointerEncoding enum. There are actually + // four axes(!) to the encoding: + // + // - The pointer size: pointers can be 2, 4, or 8 bytes long, or use + // the DWARF LEB128 encoding. + // + // - The pointer's signedness: pointers can be signed or unsigned. + // + // - The pointer's base address: the data stored in the exception + // handling data can be the actual address (that is, an absolute + // pointer), or relative to one of a number of different base + // addreses --- including that of the encoded pointer itself, for + // a form of "pc-relative" addressing. + // + // - The pointer may be indirect: it may be the address where the + // true pointer is stored. (This is used to refer to things via + // global offset table entries, program linkage table entries, or + // other tricks used in position-independent code.) + // + // There are also two options that fall outside that matrix + // altogether: the pointer may be omitted, or it may have padding to + // align it on an appropriate address boundary. (That last option + // may seem like it should be just another axis, but it is not.) + + // Indicate that the exception handling data is loaded starting at + // SECTION_BASE, and that the start of its buffer in our own memory + // is BUFFER_BASE. This allows us to find the address that a given + // byte in our buffer would have when loaded into the program the + // data describes. We need this to resolve DW_EH_PE_pcrel pointers. + void SetCFIDataBase(uint64 section_base, const char *buffer_base); + + // Indicate that the base address of the program's ".text" section + // is TEXT_BASE. We need this to resolve DW_EH_PE_textrel pointers. + void SetTextBase(uint64 text_base); + + // Indicate that the base address for DW_EH_PE_datarel pointers is + // DATA_BASE. The proper value depends on the ABI; it is usually the + // address of the global offset table, held in a designated register in + // position-independent code. You will need to look at the startup code + // for the target system to be sure. I tried; my eyes bled. + void SetDataBase(uint64 data_base); + + // Indicate that the base address for the FDE we are processing is + // FUNCTION_BASE. This is the start address of DW_EH_PE_funcrel + // pointers. (This encoding does not seem to be used by the GNU + // toolchain.) + void SetFunctionBase(uint64 function_base); + + // Indicate that we are no longer processing any FDE, so any use of + // a DW_EH_PE_funcrel encoding is an error. + void ClearFunctionBase(); + + // Return true if ENCODING is a valid pointer encoding. + bool ValidEncoding(DwarfPointerEncoding encoding) const; + + // Return true if we have all the information we need to read a + // pointer that uses ENCODING. This checks that the appropriate + // SetFooBase function for ENCODING has been called. + bool UsableEncoding(DwarfPointerEncoding encoding) const; + + // Read an encoded pointer from BUFFER using ENCODING; return the + // absolute address it represents, and set *LEN to the pointer's + // length in bytes, including any padding for aligned pointers. + // + // This function calls 'abort' if ENCODING is invalid or refers to a + // base address this reader hasn't been given, so you should check + // with ValidEncoding and UsableEncoding first if you would rather + // die in a more helpful way. + uint64 ReadEncodedPointer(const char *buffer, DwarfPointerEncoding encoding, + size_t *len) const; + + private: + + // Function pointer type for our address and offset readers. + typedef uint64 (ByteReader::*AddressReader)(const char*) const; + + // Read an offset from BUFFER and return it as an unsigned 64 bit + // integer. DWARF2/3 define offsets as either 4 or 8 bytes, + // generally depending on the amount of DWARF2/3 info present. + // This function pointer gets set by SetOffsetSize. + AddressReader offset_reader_; + + // Read an address from BUFFER and return it as an unsigned 64 bit + // integer. DWARF2/3 allow addresses to be any size from 0-255 + // bytes currently. Internally we support 4 and 8 byte addresses, + // and will CHECK on anything else. + // This function pointer gets set by SetAddressSize. + AddressReader address_reader_; + + Endianness endian_; + uint8 address_size_; + uint8 offset_size_; + + // Base addresses for Linux C++ exception handling data's encoded pointers. + bool have_section_base_, have_text_base_, have_data_base_; + bool have_function_base_; + uint64 section_base_, text_base_, data_base_, function_base_; + const char *buffer_base_; +}; + +} // namespace dwarf2reader + +#endif // COMMON_DWARF_BYTEREADER_H__ diff --git a/google-breakpad/src/common/dwarf/bytereader_unittest.cc b/google-breakpad/src/common/dwarf/bytereader_unittest.cc new file mode 100644 index 0000000..4311ab6 --- /dev/null +++ b/google-breakpad/src/common/dwarf/bytereader_unittest.cc @@ -0,0 +1,697 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// bytereader_unittest.cc: Unit tests for dwarf2reader::ByteReader + +#include + +#include "breakpad_googletest_includes.h" +#include "common/dwarf/bytereader.h" +#include "common/dwarf/bytereader-inl.h" +#include "common/dwarf/cfi_assembler.h" +#include "common/using_std_string.h" + +using dwarf2reader::ByteReader; +using dwarf2reader::DwarfPointerEncoding; +using dwarf2reader::ENDIANNESS_BIG; +using dwarf2reader::ENDIANNESS_LITTLE; +using google_breakpad::CFISection; +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; +using google_breakpad::test_assembler::Section; +using testing::Test; + +struct ReaderFixture { + string contents; + size_t pointer_size; +}; + +class Reader: public ReaderFixture, public Test { }; +class ReaderDeathTest: public ReaderFixture, public Test { }; + +TEST_F(Reader, SimpleConstructor) { + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(4); + CFISection section(kBigEndian, 4); + section + .D8(0xc0) + .D16(0xcf0d) + .D32(0x96fdd219) + .D64(0xbbf55fef0825f117ULL) + .ULEB128(0xa0927048ba8121afULL) + .LEB128(-0x4f337badf4483f83LL) + .D32(0xfec319c9); + ASSERT_TRUE(section.GetContents(&contents)); + const char *data = contents.data(); + EXPECT_EQ(0xc0U, reader.ReadOneByte(data)); + EXPECT_EQ(0xcf0dU, reader.ReadTwoBytes(data + 1)); + EXPECT_EQ(0x96fdd219U, reader.ReadFourBytes(data + 3)); + EXPECT_EQ(0xbbf55fef0825f117ULL, reader.ReadEightBytes(data + 7)); + size_t leb128_size; + EXPECT_EQ(0xa0927048ba8121afULL, + reader.ReadUnsignedLEB128(data + 15, &leb128_size)); + EXPECT_EQ(10U, leb128_size); + EXPECT_EQ(-0x4f337badf4483f83LL, + reader.ReadSignedLEB128(data + 25, &leb128_size)); + EXPECT_EQ(10U, leb128_size); + EXPECT_EQ(0xfec319c9, reader.ReadAddress(data + 35)); +} + +TEST_F(Reader, ValidEncodings) { + ByteReader reader(ENDIANNESS_LITTLE); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_omit))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_aligned))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_pcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_textrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_datarel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_absptr | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_uleb128 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata2 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata4 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_udata8 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sleb128 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata2 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata4 | + dwarf2reader::DW_EH_PE_funcrel))); + EXPECT_TRUE(reader.ValidEncoding( + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect | + dwarf2reader::DW_EH_PE_sdata8 | + dwarf2reader::DW_EH_PE_funcrel))); + + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x05))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x07))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x0d))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x0f))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x51))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x60))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x70))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0xf0))); + EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0xd0))); +} + +TEST_F(ReaderDeathTest, DW_EH_PE_omit) { + static const char data[1] = { 42 }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(4); + EXPECT_DEATH(reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_omit, + &pointer_size), + "encoding != DW_EH_PE_omit"); +} + +TEST_F(Reader, DW_EH_PE_absptr4) { + static const char data[] = { 0x27, 0x57, 0xea, 0x40 }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(4); + EXPECT_EQ(0x40ea5727U, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_absptr, + &pointer_size)); + EXPECT_EQ(4U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_absptr8) { + static const char data[] = { + 0x60, 0x27, 0x57, 0xea, 0x40, 0xc2, 0x98, 0x05, 0x01, 0x50 + }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(8); + EXPECT_EQ(0x010598c240ea5727ULL, + reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_absptr, + &pointer_size)); + EXPECT_EQ(8U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_uleb128) { + static const char data[] = { 0x81, 0x84, 0x4c }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(4); + EXPECT_EQ(0x130201U, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_uleb128, + &pointer_size)); + EXPECT_EQ(3U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_udata2) { + static const char data[] = { 0xf4, 0x8d }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(4); + EXPECT_EQ(0xf48dU, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_udata2, + &pointer_size)); + EXPECT_EQ(2U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_udata4) { + static const char data[] = { 0xb2, 0x68, 0xa5, 0x62, 0x8f, 0x8b }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(8); + EXPECT_EQ(0xa5628f8b, + reader.ReadEncodedPointer(data + 2, dwarf2reader::DW_EH_PE_udata4, + &pointer_size)); + EXPECT_EQ(4U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_udata8Addr8) { + static const char data[] = { + 0x27, 0x04, 0x73, 0x04, 0x69, 0x9f, 0x19, 0xed, 0x8f, 0xfe + }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(8); + EXPECT_EQ(0x8fed199f69047304ULL, + reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_udata8, + &pointer_size)); + EXPECT_EQ(8U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_udata8Addr4) { + static const char data[] = { + 0x27, 0x04, 0x73, 0x04, 0x69, 0x9f, 0x19, 0xed, 0x8f, 0xfe + }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(4); + EXPECT_EQ(0x69047304ULL, + reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_udata8, + &pointer_size)); + EXPECT_EQ(8U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_sleb128) { + static const char data[] = { 0x42, 0xff, 0xfb, 0x73 }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(4); + EXPECT_EQ(-0x030201U & 0xffffffff, + reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_sleb128, + &pointer_size)); + EXPECT_EQ(3U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_sdata2) { + static const char data[] = { 0xb9, 0xbf }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(8); + EXPECT_EQ(0xffffffffffffbfb9ULL, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_sdata2, + &pointer_size)); + EXPECT_EQ(2U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_sdata4) { + static const char data[] = { 0xa0, 0xca, 0xf2, 0xb8, 0xc2, 0xad }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(8); + EXPECT_EQ(0xffffffffadc2b8f2ULL, + reader.ReadEncodedPointer(data + 2, dwarf2reader::DW_EH_PE_sdata4, + &pointer_size)); + EXPECT_EQ(4U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_sdata8) { + static const char data[] = { + 0xf6, 0x66, 0x57, 0x79, 0xe0, 0x0c, 0x9b, 0x26, 0x87 + }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(8); + EXPECT_EQ(0x87269b0ce0795766ULL, + reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_sdata8, + &pointer_size)); + EXPECT_EQ(8U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_pcrel) { + static const char data[] = { 0x4a, 0x8b, 0x1b, 0x14, 0xc8, 0xc4, 0x02, 0xce }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(4); + DwarfPointerEncoding encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_pcrel + | dwarf2reader::DW_EH_PE_absptr); + reader.SetCFIDataBase(0x89951377, data); + EXPECT_EQ(0x89951377 + 3 + 0x14c8c402, + reader.ReadEncodedPointer(data + 3, encoding, &pointer_size)); + EXPECT_EQ(4U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_textrel) { + static const char data[] = { 0xd9, 0x0d, 0x05, 0x17, 0xc9, 0x7a, 0x42, 0x1e }; + ByteReader reader(ENDIANNESS_LITTLE); + reader.SetAddressSize(4); + reader.SetTextBase(0xb91beaf0); + DwarfPointerEncoding encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_textrel + | dwarf2reader::DW_EH_PE_sdata2); + EXPECT_EQ((0xb91beaf0 + 0xffffc917) & 0xffffffff, + reader.ReadEncodedPointer(data + 3, encoding, &pointer_size)); + EXPECT_EQ(2U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_datarel) { + static const char data[] = { 0x16, 0xf2, 0xbb, 0x82, 0x68, 0xa7, 0xbc, 0x39 }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(8); + reader.SetDataBase(0xbef308bd25ce74f0ULL); + DwarfPointerEncoding encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_datarel + | dwarf2reader::DW_EH_PE_sleb128); + EXPECT_EQ(0xbef308bd25ce74f0ULL + 0xfffffffffffa013bULL, + reader.ReadEncodedPointer(data + 2, encoding, &pointer_size)); + EXPECT_EQ(3U, pointer_size); +} + +TEST_F(Reader, DW_EH_PE_funcrel) { + static const char data[] = { 0x84, 0xf8, 0x14, 0x01, 0x61, 0xd1, 0x48, 0xc9 }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetAddressSize(4); + reader.SetFunctionBase(0x823c3520); + DwarfPointerEncoding encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_funcrel + | dwarf2reader::DW_EH_PE_udata2); + EXPECT_EQ(0x823c3520 + 0xd148, + reader.ReadEncodedPointer(data + 5, encoding, &pointer_size)); + EXPECT_EQ(2U, pointer_size); +} + +TEST(UsableBase, CFI) { + static const char data[1] = { 0x42 }; + ByteReader reader(ENDIANNESS_BIG); + reader.SetCFIDataBase(0xb31cbd20, data); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr)); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit)); + EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60))); +} + +TEST(UsableBase, Text) { + ByteReader reader(ENDIANNESS_BIG); + reader.SetTextBase(0xa899ccb9); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel)); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit)); + EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60))); +} + +TEST(UsableBase, Data) { + ByteReader reader(ENDIANNESS_BIG); + reader.SetDataBase(0xf7b10bcd); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel)); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit)); + EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60))); +} + +TEST(UsableBase, Function) { + ByteReader reader(ENDIANNESS_BIG); + reader.SetFunctionBase(0xc2c0ed81); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel)); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit)); + EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60))); +} + +TEST(UsableBase, ClearFunction) { + ByteReader reader(ENDIANNESS_BIG); + reader.SetFunctionBase(0xc2c0ed81); + reader.ClearFunctionBase(); + EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel)); + EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit)); + EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60))); +} + +struct AlignedFixture { + AlignedFixture() : reader(ENDIANNESS_BIG) { reader.SetAddressSize(4); } + static const char data[10]; + ByteReader reader; + size_t pointer_size; +}; + +const char AlignedFixture::data[10] = { + 0xfe, 0x6e, 0x93, 0xd8, 0x34, 0xd5, 0x1c, 0xd3, 0xac, 0x2b +}; + +class Aligned: public AlignedFixture, public Test { }; + +TEST_F(Aligned, DW_EH_PE_aligned0) { + reader.SetCFIDataBase(0xb440305c, data); + EXPECT_EQ(0xfe6e93d8U, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(4U, pointer_size); +} + +TEST_F(Aligned, DW_EH_PE_aligned1) { + reader.SetCFIDataBase(0xb440305d, data); + EXPECT_EQ(0xd834d51cU, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(7U, pointer_size); +} + +TEST_F(Aligned, DW_EH_PE_aligned2) { + reader.SetCFIDataBase(0xb440305e, data); + EXPECT_EQ(0x93d834d5U, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(6U, pointer_size); +} + +TEST_F(Aligned, DW_EH_PE_aligned3) { + reader.SetCFIDataBase(0xb440305f, data); + EXPECT_EQ(0x6e93d834U, + reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(5U, pointer_size); +} + +TEST_F(Aligned, DW_EH_PE_aligned11) { + reader.SetCFIDataBase(0xb4403061, data); + EXPECT_EQ(0xd834d51cU, + reader.ReadEncodedPointer(data + 1, + dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(6U, pointer_size); +} + +TEST_F(Aligned, DW_EH_PE_aligned30) { + reader.SetCFIDataBase(0xb4403063, data); + EXPECT_EQ(0x6e93d834U, + reader.ReadEncodedPointer(data + 1, + dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(4U, pointer_size); +} + +TEST_F(Aligned, DW_EH_PE_aligned23) { + reader.SetCFIDataBase(0xb4403062, data); + EXPECT_EQ(0x1cd3ac2bU, + reader.ReadEncodedPointer(data + 3, + dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(7U, pointer_size); +} + +TEST_F(Aligned, DW_EH_PE_aligned03) { + reader.SetCFIDataBase(0xb4403064, data); + EXPECT_EQ(0x34d51cd3U, + reader.ReadEncodedPointer(data + 3, + dwarf2reader::DW_EH_PE_aligned, + &pointer_size)); + EXPECT_EQ(5U, pointer_size); +} diff --git a/google-breakpad/src/common/dwarf/cfi_assembler.cc b/google-breakpad/src/common/dwarf/cfi_assembler.cc new file mode 100644 index 0000000..dbc2efa --- /dev/null +++ b/google-breakpad/src/common/dwarf/cfi_assembler.cc @@ -0,0 +1,198 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// cfi_assembler.cc: Implementation of google_breakpad::CFISection class. +// See cfi_assembler.h for details. + +#include "common/dwarf/cfi_assembler.h" + +#include +#include + +namespace google_breakpad { + +using dwarf2reader::DwarfPointerEncoding; + +CFISection &CFISection::CIEHeader(uint64_t code_alignment_factor, + int data_alignment_factor, + unsigned return_address_register, + uint8_t version, + const string &augmentation, + bool dwarf64) { + assert(!entry_length_); + entry_length_ = new PendingLength(); + in_fde_ = false; + + if (dwarf64) { + D32(kDwarf64InitialLengthMarker); + D64(entry_length_->length); + entry_length_->start = Here(); + D64(eh_frame_ ? kEHFrame64CIEIdentifier : kDwarf64CIEIdentifier); + } else { + D32(entry_length_->length); + entry_length_->start = Here(); + D32(eh_frame_ ? kEHFrame32CIEIdentifier : kDwarf32CIEIdentifier); + } + D8(version); + AppendCString(augmentation); + ULEB128(code_alignment_factor); + LEB128(data_alignment_factor); + if (version == 1) + D8(return_address_register); + else + ULEB128(return_address_register); + return *this; +} + +CFISection &CFISection::FDEHeader(Label cie_pointer, + uint64_t initial_location, + uint64_t address_range, + bool dwarf64) { + assert(!entry_length_); + entry_length_ = new PendingLength(); + in_fde_ = true; + fde_start_address_ = initial_location; + + if (dwarf64) { + D32(0xffffffff); + D64(entry_length_->length); + entry_length_->start = Here(); + if (eh_frame_) + D64(Here() - cie_pointer); + else + D64(cie_pointer); + } else { + D32(entry_length_->length); + entry_length_->start = Here(); + if (eh_frame_) + D32(Here() - cie_pointer); + else + D32(cie_pointer); + } + EncodedPointer(initial_location); + // The FDE length in an .eh_frame section uses the same encoding as the + // initial location, but ignores the base address (selected by the upper + // nybble of the encoding), as it's a length, not an address that can be + // made relative. + EncodedPointer(address_range, + DwarfPointerEncoding(pointer_encoding_ & 0x0f)); + return *this; +} + +CFISection &CFISection::FinishEntry() { + assert(entry_length_); + Align(address_size_, dwarf2reader::DW_CFA_nop); + entry_length_->length = Here() - entry_length_->start; + delete entry_length_; + entry_length_ = NULL; + in_fde_ = false; + return *this; +} + +CFISection &CFISection::EncodedPointer(uint64_t address, + DwarfPointerEncoding encoding, + const EncodedPointerBases &bases) { + // Omitted data is extremely easy to emit. + if (encoding == dwarf2reader::DW_EH_PE_omit) + return *this; + + // If (encoding & dwarf2reader::DW_EH_PE_indirect) != 0, then we assume + // that ADDRESS is the address at which the pointer is stored --- in + // other words, that bit has no effect on how we write the pointer. + encoding = DwarfPointerEncoding(encoding & ~dwarf2reader::DW_EH_PE_indirect); + + // Find the base address to which this pointer is relative. The upper + // nybble of the encoding specifies this. + uint64_t base; + switch (encoding & 0xf0) { + case dwarf2reader::DW_EH_PE_absptr: base = 0; break; + case dwarf2reader::DW_EH_PE_pcrel: base = bases.cfi + Size(); break; + case dwarf2reader::DW_EH_PE_textrel: base = bases.text; break; + case dwarf2reader::DW_EH_PE_datarel: base = bases.data; break; + case dwarf2reader::DW_EH_PE_funcrel: base = fde_start_address_; break; + case dwarf2reader::DW_EH_PE_aligned: base = 0; break; + default: abort(); + }; + + // Make ADDRESS relative. Yes, this is appropriate even for "absptr" + // values; see gcc/unwind-pe.h. + address -= base; + + // Align the pointer, if required. + if ((encoding & 0xf0) == dwarf2reader::DW_EH_PE_aligned) + Align(AddressSize()); + + // Append ADDRESS to this section in the appropriate form. For the + // fixed-width forms, we don't need to differentiate between signed and + // unsigned encodings, because ADDRESS has already been extended to 64 + // bits before it was passed to us. + switch (encoding & 0x0f) { + case dwarf2reader::DW_EH_PE_absptr: + Address(address); + break; + + case dwarf2reader::DW_EH_PE_uleb128: + ULEB128(address); + break; + + case dwarf2reader::DW_EH_PE_sleb128: + LEB128(address); + break; + + case dwarf2reader::DW_EH_PE_udata2: + case dwarf2reader::DW_EH_PE_sdata2: + D16(address); + break; + + case dwarf2reader::DW_EH_PE_udata4: + case dwarf2reader::DW_EH_PE_sdata4: + D32(address); + break; + + case dwarf2reader::DW_EH_PE_udata8: + case dwarf2reader::DW_EH_PE_sdata8: + D64(address); + break; + + default: + abort(); + } + + return *this; +}; + +const uint32_t CFISection::kDwarf64InitialLengthMarker; +const uint32_t CFISection::kDwarf32CIEIdentifier; +const uint64_t CFISection::kDwarf64CIEIdentifier; +const uint32_t CFISection::kEHFrame32CIEIdentifier; +const uint64_t CFISection::kEHFrame64CIEIdentifier; + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/dwarf/cfi_assembler.h b/google-breakpad/src/common/dwarf/cfi_assembler.h new file mode 100644 index 0000000..227812b --- /dev/null +++ b/google-breakpad/src/common/dwarf/cfi_assembler.h @@ -0,0 +1,269 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// cfi_assembler.h: Define CFISection, a class for creating properly +// (and improperly) formatted DWARF CFI data for unit tests. + +#ifndef PROCESSOR_CFI_ASSEMBLER_H_ +#define PROCESSOR_CFI_ASSEMBLER_H_ + +#include + +#include "common/dwarf/dwarf2enums.h" +#include "common/test_assembler.h" +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +using dwarf2reader::DwarfPointerEncoding; +using google_breakpad::test_assembler::Endianness; +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::Section; + +class CFISection: public Section { + public: + + // CFI augmentation strings beginning with 'z', defined by the + // Linux/IA-64 C++ ABI, can specify interesting encodings for + // addresses appearing in FDE headers and call frame instructions (and + // for additional fields whose presence the augmentation string + // specifies). In particular, pointers can be specified to be relative + // to various base address: the start of the .text section, the + // location holding the address itself, and so on. These allow the + // frame data to be position-independent even when they live in + // write-protected pages. These variants are specified at the + // following two URLs: + // + // http://refspecs.linux-foundation.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/dwarfext.html + // http://refspecs.linux-foundation.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html + // + // CFISection leaves the production of well-formed 'z'-augmented CIEs and + // FDEs to the user, but does provide EncodedPointer, to emit + // properly-encoded addresses for a given pointer encoding. + // EncodedPointer uses an instance of this structure to find the base + // addresses it should use; you can establish a default for all encoded + // pointers appended to this section with SetEncodedPointerBases. + struct EncodedPointerBases { + EncodedPointerBases() : cfi(), text(), data() { } + + // The starting address of this CFI section in memory, for + // DW_EH_PE_pcrel. DW_EH_PE_pcrel pointers may only be used in data + // that has is loaded into the program's address space. + uint64_t cfi; + + // The starting address of this file's .text section, for DW_EH_PE_textrel. + uint64_t text; + + // The starting address of this file's .got or .eh_frame_hdr section, + // for DW_EH_PE_datarel. + uint64_t data; + }; + + // Create a CFISection whose endianness is ENDIANNESS, and where + // machine addresses are ADDRESS_SIZE bytes long. If EH_FRAME is + // true, use the .eh_frame format, as described by the Linux + // Standards Base Core Specification, instead of the DWARF CFI + // format. + CFISection(Endianness endianness, size_t address_size, + bool eh_frame = false) + : Section(endianness), address_size_(address_size), eh_frame_(eh_frame), + pointer_encoding_(dwarf2reader::DW_EH_PE_absptr), + encoded_pointer_bases_(), entry_length_(NULL), in_fde_(false) { + // The 'start', 'Here', and 'Mark' members of a CFISection all refer + // to section offsets. + start() = 0; + } + + // Return this CFISection's address size. + size_t AddressSize() const { return address_size_; } + + // Return true if this CFISection uses the .eh_frame format, or + // false if it contains ordinary DWARF CFI data. + bool ContainsEHFrame() const { return eh_frame_; } + + // Use ENCODING for pointers in calls to FDEHeader and EncodedPointer. + void SetPointerEncoding(DwarfPointerEncoding encoding) { + pointer_encoding_ = encoding; + } + + // Use the addresses in BASES as the base addresses for encoded + // pointers in subsequent calls to FDEHeader or EncodedPointer. + // This function makes a copy of BASES. + void SetEncodedPointerBases(const EncodedPointerBases &bases) { + encoded_pointer_bases_ = bases; + } + + // Append a Common Information Entry header to this section with the + // given values. If dwarf64 is true, use the 64-bit DWARF initial + // length format for the CIE's initial length. Return a reference to + // this section. You should call FinishEntry after writing the last + // instruction for the CIE. + // + // Before calling this function, you will typically want to use Mark + // or Here to make a label to pass to FDEHeader that refers to this + // CIE's position in the section. + CFISection &CIEHeader(uint64_t code_alignment_factor, + int data_alignment_factor, + unsigned return_address_register, + uint8_t version = 3, + const string &augmentation = "", + bool dwarf64 = false); + + // Append a Frame Description Entry header to this section with the + // given values. If dwarf64 is true, use the 64-bit DWARF initial + // length format for the CIE's initial length. Return a reference to + // this section. You should call FinishEntry after writing the last + // instruction for the CIE. + // + // This function doesn't support entries that are longer than + // 0xffffff00 bytes. (The "initial length" is always a 32-bit + // value.) Nor does it support .debug_frame sections longer than + // 0xffffff00 bytes. + CFISection &FDEHeader(Label cie_pointer, + uint64_t initial_location, + uint64_t address_range, + bool dwarf64 = false); + + // Note the current position as the end of the last CIE or FDE we + // started, after padding with DW_CFA_nops for alignment. This + // defines the label representing the entry's length, cited in the + // entry's header. Return a reference to this section. + CFISection &FinishEntry(); + + // Append the contents of BLOCK as a DW_FORM_block value: an + // unsigned LEB128 length, followed by that many bytes of data. + CFISection &Block(const string &block) { + ULEB128(block.size()); + Append(block); + return *this; + } + + // Append ADDRESS to this section, in the appropriate size and + // endianness. Return a reference to this section. + CFISection &Address(uint64_t address) { + Section::Append(endianness(), address_size_, address); + return *this; + } + CFISection &Address(Label address) { + Section::Append(endianness(), address_size_, address); + return *this; + } + + // Append ADDRESS to this section, using ENCODING and BASES. ENCODING + // defaults to this section's default encoding, established by + // SetPointerEncoding. BASES defaults to this section's bases, set by + // SetEncodedPointerBases. If the DW_EH_PE_indirect bit is set in the + // encoding, assume that ADDRESS is where the true address is stored. + // Return a reference to this section. + // + // (C++ doesn't let me use default arguments here, because I want to + // refer to members of *this in the default argument expression.) + CFISection &EncodedPointer(uint64_t address) { + return EncodedPointer(address, pointer_encoding_, encoded_pointer_bases_); + } + CFISection &EncodedPointer(uint64_t address, DwarfPointerEncoding encoding) { + return EncodedPointer(address, encoding, encoded_pointer_bases_); + } + CFISection &EncodedPointer(uint64_t address, DwarfPointerEncoding encoding, + const EncodedPointerBases &bases); + + // Restate some member functions, to keep chaining working nicely. + CFISection &Mark(Label *label) { Section::Mark(label); return *this; } + CFISection &D8(uint8_t v) { Section::D8(v); return *this; } + CFISection &D16(uint16_t v) { Section::D16(v); return *this; } + CFISection &D16(Label v) { Section::D16(v); return *this; } + CFISection &D32(uint32_t v) { Section::D32(v); return *this; } + CFISection &D32(const Label &v) { Section::D32(v); return *this; } + CFISection &D64(uint64_t v) { Section::D64(v); return *this; } + CFISection &D64(const Label &v) { Section::D64(v); return *this; } + CFISection &LEB128(long long v) { Section::LEB128(v); return *this; } + CFISection &ULEB128(uint64_t v) { Section::ULEB128(v); return *this; } + + private: + // A length value that we've appended to the section, but is not yet + // known. LENGTH is the appended value; START is a label referring + // to the start of the data whose length was cited. + struct PendingLength { + Label length; + Label start; + }; + + // Constants used in CFI/.eh_frame data: + + // If the first four bytes of an "initial length" are this constant, then + // the data uses the 64-bit DWARF format, and the length itself is the + // subsequent eight bytes. + static const uint32_t kDwarf64InitialLengthMarker = 0xffffffffU; + + // The CIE identifier for 32- and 64-bit DWARF CFI and .eh_frame data. + static const uint32_t kDwarf32CIEIdentifier = ~(uint32_t)0; + static const uint64_t kDwarf64CIEIdentifier = ~(uint64_t)0; + static const uint32_t kEHFrame32CIEIdentifier = 0; + static const uint64_t kEHFrame64CIEIdentifier = 0; + + // The size of a machine address for the data in this section. + size_t address_size_; + + // If true, we are generating a Linux .eh_frame section, instead of + // a standard DWARF .debug_frame section. + bool eh_frame_; + + // The encoding to use for FDE pointers. + DwarfPointerEncoding pointer_encoding_; + + // The base addresses to use when emitting encoded pointers. + EncodedPointerBases encoded_pointer_bases_; + + // The length value for the current entry. + // + // Oddly, this must be dynamically allocated. Labels never get new + // values; they only acquire constraints on the value they already + // have, or assert if you assign them something incompatible. So + // each header needs truly fresh Label objects to cite in their + // headers and track their positions. The alternative is explicit + // destructor invocation and a placement new. Ick. + PendingLength *entry_length_; + + // True if we are currently emitting an FDE --- that is, we have + // called FDEHeader but have not yet called FinishEntry. + bool in_fde_; + + // If in_fde_ is true, this is its starting address. We use this for + // emitting DW_EH_PE_funcrel pointers. + uint64_t fde_start_address_; +}; + +} // namespace google_breakpad + +#endif // PROCESSOR_CFI_ASSEMBLER_H_ diff --git a/google-breakpad/src/common/dwarf/dwarf2diehandler.cc b/google-breakpad/src/common/dwarf/dwarf2diehandler.cc new file mode 100644 index 0000000..20c15fa --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2diehandler.cc @@ -0,0 +1,198 @@ +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf2diehandler.cc: Implement the dwarf2reader::DieDispatcher class. +// See dwarf2diehandler.h for details. + +#include + +#include + +#include "common/dwarf/dwarf2diehandler.h" +#include "common/using_std_string.h" + +namespace dwarf2reader { + +DIEDispatcher::~DIEDispatcher() { + while (!die_handlers_.empty()) { + HandlerStack &entry = die_handlers_.top(); + if (entry.handler_ != root_handler_) + delete entry.handler_; + die_handlers_.pop(); + } +} + +bool DIEDispatcher::StartCompilationUnit(uint64 offset, uint8 address_size, + uint8 offset_size, uint64 cu_length, + uint8 dwarf_version) { + return root_handler_->StartCompilationUnit(offset, address_size, + offset_size, cu_length, + dwarf_version); +} + +bool DIEDispatcher::StartDIE(uint64 offset, enum DwarfTag tag) { + // The stack entry for the parent of this DIE, if there is one. + HandlerStack *parent = die_handlers_.empty() ? NULL : &die_handlers_.top(); + + // Does this call indicate that we're done receiving the parent's + // attributes' values? If so, call its EndAttributes member function. + if (parent && parent->handler_ && !parent->reported_attributes_end_) { + parent->reported_attributes_end_ = true; + if (!parent->handler_->EndAttributes()) { + // Finish off this handler now. and edit *PARENT to indicate that + // we don't want to visit any of the children. + parent->handler_->Finish(); + if (parent->handler_ != root_handler_) + delete parent->handler_; + parent->handler_ = NULL; + return false; + } + } + + // Find a handler for this DIE. + DIEHandler *handler; + if (parent) { + if (parent->handler_) + // Ask the parent to find a handler. + handler = parent->handler_->FindChildHandler(offset, tag); + else + // No parent handler means we're not interested in any of our + // children. + handler = NULL; + } else { + // This is the root DIE. For a non-root DIE, the parent's handler + // decides whether to visit it, but the root DIE has no parent + // handler, so we have a special method on the root DIE handler + // itself to decide. + if (root_handler_->StartRootDIE(offset, tag)) + handler = root_handler_; + else + handler = NULL; + } + + // Push a handler stack entry for this new handler. As an + // optimization, we don't push NULL-handler entries on top of other + // NULL-handler entries; we just let the oldest such entry stand for + // the whole subtree. + if (handler || !parent || parent->handler_) { + HandlerStack entry; + entry.offset_ = offset; + entry.handler_ = handler; + entry.reported_attributes_end_ = false; + die_handlers_.push(entry); + } + + return handler != NULL; +} + +void DIEDispatcher::EndDIE(uint64 offset) { + assert(!die_handlers_.empty()); + HandlerStack *entry = &die_handlers_.top(); + if (entry->handler_) { + // This entry had better be the handler for this DIE. + assert(entry->offset_ == offset); + // If a DIE has no children, this EndDIE call indicates that we're + // done receiving its attributes' values. + if (!entry->reported_attributes_end_) + entry->handler_->EndAttributes(); // Ignore return value: no children. + entry->handler_->Finish(); + if (entry->handler_ != root_handler_) + delete entry->handler_; + } else { + // If this DIE is within a tree we're ignoring, then don't pop the + // handler stack: that entry stands for the whole tree. + if (entry->offset_ != offset) + return; + } + die_handlers_.pop(); +} + +void DIEDispatcher::ProcessAttributeUnsigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + HandlerStack ¤t = die_handlers_.top(); + // This had better be an attribute of the DIE we were meant to handle. + assert(offset == current.offset_); + current.handler_->ProcessAttributeUnsigned(attr, form, data); +} + +void DIEDispatcher::ProcessAttributeSigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + int64 data) { + HandlerStack ¤t = die_handlers_.top(); + // This had better be an attribute of the DIE we were meant to handle. + assert(offset == current.offset_); + current.handler_->ProcessAttributeSigned(attr, form, data); +} + +void DIEDispatcher::ProcessAttributeReference(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + HandlerStack ¤t = die_handlers_.top(); + // This had better be an attribute of the DIE we were meant to handle. + assert(offset == current.offset_); + current.handler_->ProcessAttributeReference(attr, form, data); +} + +void DIEDispatcher::ProcessAttributeBuffer(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const char* data, + uint64 len) { + HandlerStack ¤t = die_handlers_.top(); + // This had better be an attribute of the DIE we were meant to handle. + assert(offset == current.offset_); + current.handler_->ProcessAttributeBuffer(attr, form, data, len); +} + +void DIEDispatcher::ProcessAttributeString(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const string& data) { + HandlerStack ¤t = die_handlers_.top(); + // This had better be an attribute of the DIE we were meant to handle. + assert(offset == current.offset_); + current.handler_->ProcessAttributeString(attr, form, data); +} + +void DIEDispatcher::ProcessAttributeSignature(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 signature) { + HandlerStack ¤t = die_handlers_.top(); + // This had better be an attribute of the DIE we were meant to handle. + assert(offset == current.offset_); + current.handler_->ProcessAttributeSignature(attr, form, signature); +} + +} // namespace dwarf2reader diff --git a/google-breakpad/src/common/dwarf/dwarf2diehandler.h b/google-breakpad/src/common/dwarf/dwarf2diehandler.h new file mode 100644 index 0000000..81f40f0 --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2diehandler.h @@ -0,0 +1,363 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf2reader::CompilationUnit is a simple and direct parser for +// DWARF data, but its handler interface is not convenient to use. In +// particular: +// +// - CompilationUnit calls Dwarf2Handler's member functions to report +// every attribute's value, regardless of what sort of DIE it is. +// As a result, the ProcessAttributeX functions end up looking like +// this: +// +// switch (parent_die_tag) { +// case DW_TAG_x: +// switch (attribute_name) { +// case DW_AT_y: +// handle attribute y of DIE type x +// ... +// } break; +// ... +// } +// +// In C++ it's much nicer to use virtual function dispatch to find +// the right code for a given case than to switch on the DIE tag +// like this. +// +// - Processing different kinds of DIEs requires different sets of +// data: lexical block DIEs have start and end addresses, but struct +// type DIEs don't. It would be nice to be able to have separate +// handler classes for separate kinds of DIEs, each with the members +// appropriate to its role, instead of having one handler class that +// needs to hold data for every DIE type. +// +// - There should be a separate instance of the appropriate handler +// class for each DIE, instead of a single object with tables +// tracking all the dies in the compilation unit. +// +// - It's not convenient to take some action after all a DIE's +// attributes have been seen, but before visiting any of its +// children. The only indication you have that a DIE's attribute +// list is complete is that you get either a StartDIE or an EndDIE +// call. +// +// - It's not convenient to make use of the tree structure of the +// DIEs. Skipping all the children of a given die requires +// maintaining state and returning false from StartDIE until we get +// an EndDIE call with the appropriate offset. +// +// This interface tries to take care of all that. (You're shocked, I'm sure.) +// +// Using the classes here, you provide an initial handler for the root +// DIE of the compilation unit. Each handler receives its DIE's +// attributes, and provides fresh handler objects for children of +// interest, if any. The three classes are: +// +// - DIEHandler: the base class for your DIE-type-specific handler +// classes. +// +// - RootDIEHandler: derived from DIEHandler, the base class for your +// root DIE handler class. +// +// - DIEDispatcher: derived from Dwarf2Handler, an instance of this +// invokes your DIE-type-specific handler objects. +// +// In detail: +// +// - Define handler classes specialized for the DIE types you're +// interested in. These handler classes must inherit from +// DIEHandler. Thus: +// +// class My_DW_TAG_X_Handler: public DIEHandler { ... }; +// class My_DW_TAG_Y_Handler: public DIEHandler { ... }; +// +// DIEHandler subclasses needn't correspond exactly to single DIE +// types, as shown here; the point is that you can have several +// different classes appropriate to different kinds of DIEs. +// +// - In particular, define a handler class for the compilation +// unit's root DIE, that inherits from RootDIEHandler: +// +// class My_DW_TAG_compile_unit_Handler: public RootDIEHandler { ... }; +// +// RootDIEHandler inherits from DIEHandler, adding a few additional +// member functions for examining the compilation unit as a whole, +// and other quirks of rootness. +// +// - Then, create a DIEDispatcher instance, passing it an instance of +// your root DIE handler class, and use that DIEDispatcher as the +// dwarf2reader::CompilationUnit's handler: +// +// My_DW_TAG_compile_unit_Handler root_die_handler(...); +// DIEDispatcher die_dispatcher(&root_die_handler); +// CompilationUnit reader(sections, offset, bytereader, &die_dispatcher); +// +// Here, 'die_dispatcher' acts as a shim between 'reader' and the +// various DIE-specific handlers you have defined. +// +// - When you call reader.Start(), die_dispatcher behaves as follows, +// starting with your root die handler and the compilation unit's +// root DIE: +// +// - It calls the handler's ProcessAttributeX member functions for +// each of the DIE's attributes. +// +// - It calls the handler's EndAttributes member function. This +// should return true if any of the DIE's children should be +// visited, in which case: +// +// - For each of the DIE's children, die_dispatcher calls the +// DIE's handler's FindChildHandler member function. If that +// returns a pointer to a DIEHandler instance, then +// die_dispatcher uses that handler to process the child, using +// this procedure recursively. Alternatively, if +// FindChildHandler returns NULL, die_dispatcher ignores that +// child and its descendants. +// +// - When die_dispatcher has finished processing all the DIE's +// children, it invokes the handler's Finish() member function, +// and destroys the handler. (As a special case, it doesn't +// destroy the root DIE handler.) +// +// This allows the code for handling a particular kind of DIE to be +// gathered together in a single class, makes it easy to skip all the +// children or individual children of a particular DIE, and provides +// appropriate parental context for each die. + +#ifndef COMMON_DWARF_DWARF2DIEHANDLER_H__ +#define COMMON_DWARF_DWARF2DIEHANDLER_H__ + +#include +#include + +#include "common/dwarf/types.h" +#include "common/dwarf/dwarf2enums.h" +#include "common/dwarf/dwarf2reader.h" +#include "common/using_std_string.h" + +namespace dwarf2reader { + +// A base class for handlers for specific DIE types. The series of +// calls made on a DIE handler is as follows: +// +// - for each attribute of the DIE: +// - ProcessAttributeX() +// - EndAttributes() +// - if that returned true, then for each child: +// - FindChildHandler() +// - if that returns a non-NULL pointer to a new handler: +// - recurse, with the new handler and the child die +// - Finish() +// - destruction +class DIEHandler { + public: + DIEHandler() { } + virtual ~DIEHandler() { } + + // When we visit a DIE, we first use these member functions to + // report the DIE's attributes and their values. These have the + // same restrictions as the corresponding member functions of + // dwarf2reader::Dwarf2Handler. + // + // Since DWARF does not specify in what order attributes must + // appear, avoid making decisions in these functions that would be + // affected by the presence of other attributes. The EndAttributes + // function is a more appropriate place for such work, as all the + // DIE's attributes have been seen at that point. + // + // The default definitions ignore the values they are passed. + virtual void ProcessAttributeUnsigned(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { } + virtual void ProcessAttributeSigned(enum DwarfAttribute attr, + enum DwarfForm form, + int64 data) { } + virtual void ProcessAttributeReference(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { } + virtual void ProcessAttributeBuffer(enum DwarfAttribute attr, + enum DwarfForm form, + const char* data, + uint64 len) { } + virtual void ProcessAttributeString(enum DwarfAttribute attr, + enum DwarfForm form, + const string& data) { } + virtual void ProcessAttributeSignature(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 signture) { } + + // Once we have reported all the DIE's attributes' values, we call + // this member function. If it returns false, we skip all the DIE's + // children. If it returns true, we call FindChildHandler on each + // child. If that returns a handler object, we use that to visit + // the child; otherwise, we skip the child. + // + // This is a good place to make decisions that depend on more than + // one attribute. DWARF does not specify in what order attributes + // must appear, so only when the EndAttributes function is called + // does the handler have a complete picture of the DIE's attributes. + // + // The default definition elects to ignore the DIE's children. + // You'll need to override this if you override FindChildHandler, + // but at least the default behavior isn't to pass the children to + // FindChildHandler, which then ignores them all. + virtual bool EndAttributes() { return false; } + + // If EndAttributes returns true to indicate that some of the DIE's + // children might be of interest, then we apply this function to + // each of the DIE's children. If it returns a handler object, then + // we use that to visit the child DIE. If it returns NULL, we skip + // that child DIE (and all its descendants). + // + // OFFSET is the offset of the child; TAG indicates what kind of DIE + // it is. + // + // The default definition skips all children. + virtual DIEHandler *FindChildHandler(uint64 offset, enum DwarfTag tag) { + return NULL; + } + + // When we are done processing a DIE, we call this member function. + // This happens after the EndAttributes call, all FindChildHandler + // calls (if any), and all operations on the children themselves (if + // any). We call Finish on every handler --- even if EndAttributes + // returns false. + virtual void Finish() { }; +}; + +// A subclass of DIEHandler, with additional kludges for handling the +// compilation unit's root die. +class RootDIEHandler: public DIEHandler { + public: + RootDIEHandler() { } + virtual ~RootDIEHandler() { } + + // We pass the values reported via Dwarf2Handler::StartCompilationUnit + // to this member function, and skip the entire compilation unit if it + // returns false. So the root DIE handler is actually also + // responsible for handling the compilation unit metadata. + // The default definition always visits the compilation unit. + virtual bool StartCompilationUnit(uint64 offset, uint8 address_size, + uint8 offset_size, uint64 cu_length, + uint8 dwarf_version) { return true; } + + // For the root DIE handler only, we pass the offset, tag and + // attributes of the compilation unit's root DIE. This is the only + // way the root DIE handler can find the root DIE's tag. If this + // function returns true, we will visit the root DIE using the usual + // DIEHandler methods; otherwise, we skip the entire compilation + // unit. + // + // The default definition elects to visit the root DIE. + virtual bool StartRootDIE(uint64 offset, enum DwarfTag tag) { return true; } +}; + +class DIEDispatcher: public Dwarf2Handler { + public: + // Create a Dwarf2Handler which uses ROOT_HANDLER as the handler for + // the compilation unit's root die, as described for the DIEHandler + // class. + DIEDispatcher(RootDIEHandler *root_handler) : root_handler_(root_handler) { } + // Destroying a DIEDispatcher destroys all active handler objects + // except the root handler. + ~DIEDispatcher(); + bool StartCompilationUnit(uint64 offset, uint8 address_size, + uint8 offset_size, uint64 cu_length, + uint8 dwarf_version); + bool StartDIE(uint64 offset, enum DwarfTag tag); + void ProcessAttributeUnsigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + void ProcessAttributeSigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + int64 data); + void ProcessAttributeReference(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + void ProcessAttributeBuffer(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const char* data, + uint64 len); + void ProcessAttributeString(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const string &data); + void ProcessAttributeSignature(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 signature); + void EndDIE(uint64 offset); + + private: + + // The type of a handler stack entry. This includes some fields + // which don't really need to be on the stack --- they could just be + // single data members of DIEDispatcher --- but putting them here + // makes it easier to see that the code is correct. + struct HandlerStack { + // The offset of the DIE for this handler stack entry. + uint64 offset_; + + // The handler object interested in this DIE's attributes and + // children. If NULL, we're not interested in either. + DIEHandler *handler_; + + // Have we reported the end of this DIE's attributes to the handler? + bool reported_attributes_end_; + }; + + // Stack of DIE attribute handlers. At StartDIE(D), the top of the + // stack is the handler of D's parent, whom we may ask for a handler + // for D itself. At EndDIE(D), the top of the stack is D's handler. + // Special cases: + // + // - Before we've seen the compilation unit's root DIE, the stack is + // empty; we'll call root_handler_'s special member functions, and + // perhaps push root_handler_ on the stack to look at the root's + // immediate children. + // + // - When we decide to ignore a subtree, we only push an entry on + // the stack for the root of the tree being ignored, rather than + // pushing lots of stack entries with handler_ set to NULL. + std::stack die_handlers_; + + // The root handler. We don't push it on die_handlers_ until we + // actually get the StartDIE call for the root. + RootDIEHandler *root_handler_; +}; + +} // namespace dwarf2reader +#endif // COMMON_DWARF_DWARF2DIEHANDLER_H__ diff --git a/google-breakpad/src/common/dwarf/dwarf2diehandler_unittest.cc b/google-breakpad/src/common/dwarf/dwarf2diehandler_unittest.cc new file mode 100644 index 0000000..c0a532a --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2diehandler_unittest.cc @@ -0,0 +1,524 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf2diehander_unittest.cc: Unit tests for google_breakpad::DIEDispatcher. + +#include +#include + +#include "breakpad_googletest_includes.h" + +#include "common/dwarf/dwarf2diehandler.h" +#include "common/using_std_string.h" + +using std::make_pair; + +using ::testing::_; +using ::testing::ContainerEq; +using ::testing::ElementsAreArray; +using ::testing::Eq; +using ::testing::InSequence; +using ::testing::Return; +using ::testing::Sequence; +using ::testing::StrEq; + +using dwarf2reader::DIEDispatcher; +using dwarf2reader::DIEHandler; +using dwarf2reader::DwarfAttribute; +using dwarf2reader::DwarfForm; +using dwarf2reader::DwarfTag; +using dwarf2reader::RootDIEHandler; + +class MockDIEHandler: public DIEHandler { + public: + MOCK_METHOD3(ProcessAttributeUnsigned, + void(DwarfAttribute, DwarfForm, uint64)); + MOCK_METHOD3(ProcessAttributeSigned, + void(DwarfAttribute, DwarfForm, int64)); + MOCK_METHOD3(ProcessAttributeReference, + void(DwarfAttribute, DwarfForm, uint64)); + MOCK_METHOD4(ProcessAttributeBuffer, + void(DwarfAttribute, DwarfForm, const char *, uint64)); + MOCK_METHOD3(ProcessAttributeString, + void(DwarfAttribute, DwarfForm, const string &)); + MOCK_METHOD3(ProcessAttributeSignature, + void(DwarfAttribute, DwarfForm, uint64)); + MOCK_METHOD0(EndAttributes, bool()); + MOCK_METHOD2(FindChildHandler, DIEHandler *(uint64, DwarfTag)); + MOCK_METHOD0(Finish, void()); +}; + +class MockRootDIEHandler: public RootDIEHandler { + public: + MOCK_METHOD3(ProcessAttributeUnsigned, + void(DwarfAttribute, DwarfForm, uint64)); + MOCK_METHOD3(ProcessAttributeSigned, + void(DwarfAttribute, DwarfForm, int64)); + MOCK_METHOD3(ProcessAttributeReference, + void(DwarfAttribute, DwarfForm, uint64)); + MOCK_METHOD4(ProcessAttributeBuffer, + void(DwarfAttribute, DwarfForm, const char *, uint64)); + MOCK_METHOD3(ProcessAttributeString, + void(DwarfAttribute, DwarfForm, const string &)); + MOCK_METHOD3(ProcessAttributeSignature, + void(DwarfAttribute, DwarfForm, uint64)); + MOCK_METHOD0(EndAttributes, bool()); + MOCK_METHOD2(FindChildHandler, DIEHandler *(uint64, DwarfTag)); + MOCK_METHOD0(Finish, void()); + MOCK_METHOD5(StartCompilationUnit, bool(uint64, uint8, uint8, uint64, uint8)); + MOCK_METHOD2(StartRootDIE, bool(uint64, DwarfTag)); +}; + +// If the handler elects to skip the compilation unit, the dispatcher +// should tell the reader so. +TEST(Dwarf2DIEHandler, SkipCompilationUnit) { + Sequence s; + MockRootDIEHandler mock_root_handler; + DIEDispatcher die_dispatcher(&mock_root_handler); + + EXPECT_CALL(mock_root_handler, + StartCompilationUnit(0x8d42aed77cfccf3eLL, + 0x89, 0xdc, + 0x2ecb4dc778a80f21LL, + 0x66)) + .InSequence(s) + .WillOnce(Return(false)); + + EXPECT_FALSE(die_dispatcher.StartCompilationUnit(0x8d42aed77cfccf3eLL, + 0x89, 0xdc, + 0x2ecb4dc778a80f21LL, + 0x66)); +} + +// If the handler elects to skip the root DIE, the dispatcher should +// tell the reader so. +TEST(Dwarf2DIEHandler, SkipRootDIE) { + Sequence s; + MockRootDIEHandler mock_root_handler; + DIEDispatcher die_dispatcher(&mock_root_handler); + + EXPECT_CALL(mock_root_handler, + StartCompilationUnit(0xde8994029fc8b999LL, 0xf4, 0x02, + 0xb00febffa76e2b2bLL, 0x5c)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(mock_root_handler, + StartRootDIE(0x7d08242b4b510cf2LL, (DwarfTag) 0xb4f98da6)) + .InSequence(s) + .WillOnce(Return(false)); + + EXPECT_TRUE(die_dispatcher.StartCompilationUnit(0xde8994029fc8b999LL, + 0xf4, 0x02, + 0xb00febffa76e2b2bLL, 0x5c)); + EXPECT_FALSE(die_dispatcher.StartDIE(0x7d08242b4b510cf2LL, + (DwarfTag) 0xb4f98da6)); + die_dispatcher.EndDIE(0x7d08242b4b510cf2LL); +} + +// If the handler elects to skip the root DIE's children, the +// dispatcher should tell the reader so --- and avoid deleting the +// root handler. +TEST(Dwarf2DIEHandler, SkipRootDIEChildren) { + MockRootDIEHandler mock_root_handler; + DIEDispatcher die_dispatcher(&mock_root_handler); + + { + InSequence s; + + EXPECT_CALL(mock_root_handler, + StartCompilationUnit(0x15d6897480cc65a7LL, 0x26, 0xa0, + 0x09f8bf0767f91675LL, 0xdb)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_root_handler, + StartRootDIE(0x7d08242b4b510cf2LL, (DwarfTag) 0xb4f98da6)) + .WillOnce(Return(true)); + // Please don't tell me about my children. + EXPECT_CALL(mock_root_handler, EndAttributes()) + .WillOnce(Return(false)); + EXPECT_CALL(mock_root_handler, Finish()) + .WillOnce(Return()); + } + + EXPECT_TRUE(die_dispatcher.StartCompilationUnit(0x15d6897480cc65a7LL, + 0x26, 0xa0, + 0x09f8bf0767f91675LL, 0xdb)); + EXPECT_TRUE(die_dispatcher.StartDIE(0x7d08242b4b510cf2LL, + (DwarfTag) 0xb4f98da6)); + EXPECT_FALSE(die_dispatcher.StartDIE(0x435150ceedccda18LL, + (DwarfTag) 0xc3a17bba)); + die_dispatcher.EndDIE(0x435150ceedccda18LL); + die_dispatcher.EndDIE(0x7d08242b4b510cf2LL); +} + +// The dispatcher should pass attribute values through to the die +// handler accurately. +TEST(Dwarf2DIEHandler, PassAttributeValues) { + MockRootDIEHandler mock_root_handler; + DIEDispatcher die_dispatcher(&mock_root_handler); + + const char buffer[10] = { 0x24, 0x24, 0x35, 0x9a, 0xca, + 0xcf, 0xa8, 0x84, 0xa7, 0x18 }; + string str = "\xc8\x26\x2e\x0d\xa4\x9c\x37\xd6\xfb\x1d"; + + // Set expectations. + { + InSequence s; + + // We'll like the compilation unit header. + EXPECT_CALL(mock_root_handler, + StartCompilationUnit(0x8d42aed77cfccf3eLL, 0x89, 0xdc, + 0x2ecb4dc778a80f21LL, 0x66)) + .WillOnce(Return(true)); + + // We'll like the root DIE. + EXPECT_CALL(mock_root_handler, + StartRootDIE(0xe2222da01e29f2a9LL, (DwarfTag) 0x9829445c)) + .WillOnce(Return(true)); + + // Expect some attribute values. + EXPECT_CALL(mock_root_handler, + ProcessAttributeUnsigned((DwarfAttribute) 0x1cc0bfed, + (DwarfForm) 0x424f1468, + 0xa592571997facda1ULL)) + .WillOnce(Return()); + EXPECT_CALL(mock_root_handler, + ProcessAttributeSigned((DwarfAttribute) 0x43694dc9, + (DwarfForm) 0xf6f78901L, + 0x92602a4e3bf1f446LL)) + .WillOnce(Return()); + EXPECT_CALL(mock_root_handler, + ProcessAttributeReference((DwarfAttribute) 0x4033e8cL, + (DwarfForm) 0xf66fbe0bL, + 0x50fddef44734fdecULL)) + .WillOnce(Return()); + EXPECT_CALL(mock_root_handler, + ProcessAttributeBuffer((DwarfAttribute) 0x25d7e0af, + (DwarfForm) 0xe99a539a, + buffer, sizeof(buffer))) + .WillOnce(Return()); + EXPECT_CALL(mock_root_handler, + ProcessAttributeString((DwarfAttribute) 0x310ed065, + (DwarfForm) 0x15762fec, + StrEq(str))) + .WillOnce(Return()); + EXPECT_CALL(mock_root_handler, + ProcessAttributeSignature((DwarfAttribute) 0x58790d72, + (DwarfForm) 0x4159f138, + 0x94682463613e6a5fULL)) + .WillOnce(Return()); + EXPECT_CALL(mock_root_handler, EndAttributes()) + .WillOnce(Return(true)); + EXPECT_CALL(mock_root_handler, FindChildHandler(_, _)) + .Times(0); + EXPECT_CALL(mock_root_handler, Finish()) + .WillOnce(Return()); + } + + // Drive the dispatcher. + + // Report the CU header. + EXPECT_TRUE(die_dispatcher.StartCompilationUnit(0x8d42aed77cfccf3eLL, + 0x89, 0xdc, + 0x2ecb4dc778a80f21LL, + 0x66)); + // Report the root DIE. + EXPECT_TRUE(die_dispatcher.StartDIE(0xe2222da01e29f2a9LL, + (DwarfTag) 0x9829445c)); + + // Report some attribute values. + die_dispatcher.ProcessAttributeUnsigned(0xe2222da01e29f2a9LL, + (DwarfAttribute) 0x1cc0bfed, + (DwarfForm) 0x424f1468, + 0xa592571997facda1ULL); + die_dispatcher.ProcessAttributeSigned(0xe2222da01e29f2a9LL, + (DwarfAttribute) 0x43694dc9, + (DwarfForm) 0xf6f78901, + 0x92602a4e3bf1f446LL); + die_dispatcher.ProcessAttributeReference(0xe2222da01e29f2a9LL, + (DwarfAttribute) 0x4033e8c, + (DwarfForm) 0xf66fbe0b, + 0x50fddef44734fdecULL); + die_dispatcher.ProcessAttributeBuffer(0xe2222da01e29f2a9LL, + (DwarfAttribute) 0x25d7e0af, + (DwarfForm) 0xe99a539a, + buffer, sizeof(buffer)); + die_dispatcher.ProcessAttributeString(0xe2222da01e29f2a9LL, + (DwarfAttribute) 0x310ed065, + (DwarfForm) 0x15762fec, + str); + die_dispatcher.ProcessAttributeSignature(0xe2222da01e29f2a9LL, + (DwarfAttribute) 0x58790d72, + (DwarfForm) 0x4159f138, + 0x94682463613e6a5fULL); + + // Finish the root DIE (and thus the CU). + die_dispatcher.EndDIE(0xe2222da01e29f2a9LL); +} + +TEST(Dwarf2DIEHandler, FindAndSkipChildren) { + MockRootDIEHandler mock_root_handler; + MockDIEHandler *mock_child1_handler = new(MockDIEHandler); + MockDIEHandler *mock_child3_handler = new(MockDIEHandler); + DIEDispatcher die_dispatcher(&mock_root_handler); + + { + InSequence s; + + // We'll like the compilation unit header. + EXPECT_CALL(mock_root_handler, + StartCompilationUnit(0x9ec1e6d05e434a0eLL, 0xeb, 0x21, + 0x47dd3c764275a216LL, 0xa5)) + .WillOnce(Return(true)); + + // Root DIE. + { + EXPECT_CALL(mock_root_handler, + StartRootDIE(0x15f0e06bdfe3c372LL, (DwarfTag) 0xf5d60c59)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_root_handler, + ProcessAttributeSigned((DwarfAttribute) 0xf779a642, + (DwarfForm) 0x2cb63027, + 0x18e744661769d08fLL)) + .WillOnce(Return()); + EXPECT_CALL(mock_root_handler, EndAttributes()) + .WillOnce(Return(true)); + + // First child DIE. + EXPECT_CALL(mock_root_handler, + FindChildHandler(0x149f644f8116fe8cLL, + (DwarfTag) 0xac2cbd8c)) + .WillOnce(Return(mock_child1_handler)); + { + EXPECT_CALL(*mock_child1_handler, + ProcessAttributeSigned((DwarfAttribute) 0xa6fd6f65, + (DwarfForm) 0xe4f64c41, + 0x1b04e5444a55fe67LL)) + .WillOnce(Return()); + EXPECT_CALL(*mock_child1_handler, EndAttributes()) + .WillOnce(Return(false)); + // Skip first grandchild DIE and first great-grandchild DIE. + EXPECT_CALL(*mock_child1_handler, Finish()) + .WillOnce(Return()); + } + + // Second child DIE. Root handler will decline to return a handler + // for this child. + EXPECT_CALL(mock_root_handler, + FindChildHandler(0x97412be24875de9dLL, + (DwarfTag) 0x505a068b)) + .WillOnce(Return((DIEHandler *) NULL)); + + // Third child DIE. + EXPECT_CALL(mock_root_handler, + FindChildHandler(0x753c964c8ab538aeLL, + (DwarfTag) 0x8c22970e)) + .WillOnce(Return(mock_child3_handler)); + { + EXPECT_CALL(*mock_child3_handler, + ProcessAttributeSigned((DwarfAttribute) 0x4e2b7cfb, + (DwarfForm) 0x610b7ae1, + 0x3ea5c609d7d7560fLL)) + .WillOnce(Return()); + EXPECT_CALL(*mock_child3_handler, EndAttributes()) + .WillOnce(Return(true)); + EXPECT_CALL(*mock_child3_handler, Finish()) + .WillOnce(Return()); + } + + EXPECT_CALL(mock_root_handler, Finish()) + .WillOnce(Return()); + } + } + + + // Drive the dispatcher. + + // Report the CU header. + EXPECT_TRUE(die_dispatcher + .StartCompilationUnit(0x9ec1e6d05e434a0eLL, 0xeb, 0x21, + 0x47dd3c764275a216LL, 0xa5)); + // Report the root DIE. + { + EXPECT_TRUE(die_dispatcher.StartDIE(0x15f0e06bdfe3c372LL, + (DwarfTag) 0xf5d60c59)); + die_dispatcher.ProcessAttributeSigned(0x15f0e06bdfe3c372LL, + (DwarfAttribute) 0xf779a642, + (DwarfForm) 0x2cb63027, + 0x18e744661769d08fLL); + + // First child DIE. + { + EXPECT_TRUE(die_dispatcher.StartDIE(0x149f644f8116fe8cLL, + (DwarfTag) 0xac2cbd8c)); + die_dispatcher.ProcessAttributeSigned(0x149f644f8116fe8cLL, + (DwarfAttribute) 0xa6fd6f65, + (DwarfForm) 0xe4f64c41, + 0x1b04e5444a55fe67LL); + + // First grandchild DIE. Will be skipped. + { + EXPECT_FALSE(die_dispatcher.StartDIE(0xd68de1ee0bd29419LL, + (DwarfTag) 0x22f05a15)); + // First great-grandchild DIE. Will be skipped without being + // mentioned to any handler. + { + EXPECT_FALSE(die_dispatcher + .StartDIE(0xb3076285d25cac25LL, + (DwarfTag) 0xcff4061b)); + die_dispatcher.EndDIE(0xb3076285d25cac25LL); + } + die_dispatcher.EndDIE(0xd68de1ee0bd29419LL); + } + die_dispatcher.EndDIE(0x149f644f8116fe8cLL); + } + + // Second child DIE. Root handler will decline to find a handler for it. + { + EXPECT_FALSE(die_dispatcher.StartDIE(0x97412be24875de9dLL, + (DwarfTag) 0x505a068b)); + die_dispatcher.EndDIE(0x97412be24875de9dLL); + } + + // Third child DIE. + { + EXPECT_TRUE(die_dispatcher.StartDIE(0x753c964c8ab538aeLL, + (DwarfTag) 0x8c22970e)); + die_dispatcher.ProcessAttributeSigned(0x753c964c8ab538aeLL, + (DwarfAttribute) 0x4e2b7cfb, + (DwarfForm) 0x610b7ae1, + 0x3ea5c609d7d7560fLL); + die_dispatcher.EndDIE(0x753c964c8ab538aeLL); + } + + // Finish the root DIE (and thus the CU). + die_dispatcher.EndDIE(0x15f0e06bdfe3c372LL); + } +} + +// The DIEDispatcher destructor is supposed to delete all handlers on +// the stack, except for the root. +TEST(Dwarf2DIEHandler, FreeHandlersOnStack) { + MockRootDIEHandler mock_root_handler; + MockDIEHandler *mock_child_handler = new(MockDIEHandler); + MockDIEHandler *mock_grandchild_handler = new(MockDIEHandler); + + { + InSequence s; + + // We'll like the compilation unit header. + EXPECT_CALL(mock_root_handler, + StartCompilationUnit(0x87b41ba8381cd71cLL, 0xff, 0x89, + 0x76d392ff393ddda2LL, 0xbf)) + .WillOnce(Return(true)); + + // Root DIE. + { + EXPECT_CALL(mock_root_handler, + StartRootDIE(0xbf13b761691ddc91LL, (DwarfTag) 0x98980361)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_root_handler, EndAttributes()) + .WillOnce(Return(true)); + + // Child DIE. + EXPECT_CALL(mock_root_handler, + FindChildHandler(0x058f09240c5fc8c9LL, + (DwarfTag) 0x898bf0d0)) + .WillOnce(Return(mock_child_handler)); + { + EXPECT_CALL(*mock_child_handler, EndAttributes()) + .WillOnce(Return(true)); + + // Grandchild DIE. + EXPECT_CALL(*mock_child_handler, + FindChildHandler(0x32dc00c9945dc0c8LL, + (DwarfTag) 0x2802d007)) + .WillOnce(Return(mock_grandchild_handler)); + { + EXPECT_CALL(*mock_grandchild_handler, + ProcessAttributeSigned((DwarfAttribute) 0x4e2b7cfb, + (DwarfForm) 0x610b7ae1, + 0x3ea5c609d7d7560fLL)) + .WillOnce(Return()); + + // At this point, we abandon the traversal, so none of the + // usual stuff should get called. + EXPECT_CALL(*mock_grandchild_handler, EndAttributes()) + .Times(0); + EXPECT_CALL(*mock_grandchild_handler, Finish()) + .Times(0); + } + + EXPECT_CALL(*mock_child_handler, Finish()) + .Times(0); + } + + EXPECT_CALL(mock_root_handler, Finish()) + .Times(0); + } + } + + // The dispatcher. + DIEDispatcher die_dispatcher(&mock_root_handler); + + // Report the CU header. + EXPECT_TRUE(die_dispatcher + .StartCompilationUnit(0x87b41ba8381cd71cLL, 0xff, 0x89, + 0x76d392ff393ddda2LL, 0xbf)); + // Report the root DIE. + { + EXPECT_TRUE(die_dispatcher.StartDIE(0xbf13b761691ddc91LL, + (DwarfTag) 0x98980361)); + + // Child DIE. + { + EXPECT_TRUE(die_dispatcher.StartDIE(0x058f09240c5fc8c9LL, + (DwarfTag) 0x898bf0d0)); + + // Grandchild DIE. + { + EXPECT_TRUE(die_dispatcher.StartDIE(0x32dc00c9945dc0c8LL, + (DwarfTag) 0x2802d007)); + die_dispatcher.ProcessAttributeSigned(0x32dc00c9945dc0c8LL, + (DwarfAttribute) 0x4e2b7cfb, + (DwarfForm) 0x610b7ae1, + 0x3ea5c609d7d7560fLL); + + // Stop the traversal abruptly, so that there will still be + // handlers on the stack when the dispatcher is destructed. + + // No EndDIE call... + } + // No EndDIE call... + } + // No EndDIE call... + } +} diff --git a/google-breakpad/src/common/dwarf/dwarf2enums.h b/google-breakpad/src/common/dwarf/dwarf2enums.h new file mode 100644 index 0000000..5565d66 --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2enums.h @@ -0,0 +1,650 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_DWARF_DWARF2ENUMS_H__ +#define COMMON_DWARF_DWARF2ENUMS_H__ + +namespace dwarf2reader { + +// These enums do not follow the google3 style only because they are +// known universally (specs, other implementations) by the names in +// exactly this capitalization. +// Tag names and codes. +enum DwarfTag { + DW_TAG_padding = 0x00, + DW_TAG_array_type = 0x01, + DW_TAG_class_type = 0x02, + DW_TAG_entry_point = 0x03, + DW_TAG_enumeration_type = 0x04, + DW_TAG_formal_parameter = 0x05, + DW_TAG_imported_declaration = 0x08, + DW_TAG_label = 0x0a, + DW_TAG_lexical_block = 0x0b, + DW_TAG_member = 0x0d, + DW_TAG_pointer_type = 0x0f, + DW_TAG_reference_type = 0x10, + DW_TAG_compile_unit = 0x11, + DW_TAG_string_type = 0x12, + DW_TAG_structure_type = 0x13, + DW_TAG_subroutine_type = 0x15, + DW_TAG_typedef = 0x16, + DW_TAG_union_type = 0x17, + DW_TAG_unspecified_parameters = 0x18, + DW_TAG_variant = 0x19, + DW_TAG_common_block = 0x1a, + DW_TAG_common_inclusion = 0x1b, + DW_TAG_inheritance = 0x1c, + DW_TAG_inlined_subroutine = 0x1d, + DW_TAG_module = 0x1e, + DW_TAG_ptr_to_member_type = 0x1f, + DW_TAG_set_type = 0x20, + DW_TAG_subrange_type = 0x21, + DW_TAG_with_stmt = 0x22, + DW_TAG_access_declaration = 0x23, + DW_TAG_base_type = 0x24, + DW_TAG_catch_block = 0x25, + DW_TAG_const_type = 0x26, + DW_TAG_constant = 0x27, + DW_TAG_enumerator = 0x28, + DW_TAG_file_type = 0x29, + DW_TAG_friend = 0x2a, + DW_TAG_namelist = 0x2b, + DW_TAG_namelist_item = 0x2c, + DW_TAG_packed_type = 0x2d, + DW_TAG_subprogram = 0x2e, + DW_TAG_template_type_param = 0x2f, + DW_TAG_template_value_param = 0x30, + DW_TAG_thrown_type = 0x31, + DW_TAG_try_block = 0x32, + DW_TAG_variant_part = 0x33, + DW_TAG_variable = 0x34, + DW_TAG_volatile_type = 0x35, + // DWARF 3. + DW_TAG_dwarf_procedure = 0x36, + DW_TAG_restrict_type = 0x37, + DW_TAG_interface_type = 0x38, + DW_TAG_namespace = 0x39, + DW_TAG_imported_module = 0x3a, + DW_TAG_unspecified_type = 0x3b, + DW_TAG_partial_unit = 0x3c, + DW_TAG_imported_unit = 0x3d, + // SGI/MIPS Extensions. + DW_TAG_MIPS_loop = 0x4081, + // HP extensions. See: + // ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz + DW_TAG_HP_array_descriptor = 0x4090, + // GNU extensions. + DW_TAG_format_label = 0x4101, // For FORTRAN 77 and Fortran 90. + DW_TAG_function_template = 0x4102, // For C++. + DW_TAG_class_template = 0x4103, // For C++. + DW_TAG_GNU_BINCL = 0x4104, + DW_TAG_GNU_EINCL = 0x4105, + // Extensions for UPC. See: http://upc.gwu.edu/~upc. + DW_TAG_upc_shared_type = 0x8765, + DW_TAG_upc_strict_type = 0x8766, + DW_TAG_upc_relaxed_type = 0x8767, + // PGI (STMicroelectronics) extensions. No documentation available. + DW_TAG_PGI_kanji_type = 0xA000, + DW_TAG_PGI_interface_block = 0xA020 +}; + + +enum DwarfHasChild { + DW_children_no = 0, + DW_children_yes = 1 +}; + +// Form names and codes. +enum DwarfForm { + DW_FORM_addr = 0x01, + DW_FORM_block2 = 0x03, + DW_FORM_block4 = 0x04, + DW_FORM_data2 = 0x05, + DW_FORM_data4 = 0x06, + DW_FORM_data8 = 0x07, + DW_FORM_string = 0x08, + DW_FORM_block = 0x09, + DW_FORM_block1 = 0x0a, + DW_FORM_data1 = 0x0b, + DW_FORM_flag = 0x0c, + DW_FORM_sdata = 0x0d, + DW_FORM_strp = 0x0e, + DW_FORM_udata = 0x0f, + DW_FORM_ref_addr = 0x10, + DW_FORM_ref1 = 0x11, + DW_FORM_ref2 = 0x12, + DW_FORM_ref4 = 0x13, + DW_FORM_ref8 = 0x14, + DW_FORM_ref_udata = 0x15, + DW_FORM_indirect = 0x16, + + // Added in DWARF 4: + DW_FORM_sec_offset = 0x17, + DW_FORM_exprloc = 0x18, + DW_FORM_flag_present = 0x19, + DW_FORM_ref_sig8 = 0x20 +}; + +// Attribute names and codes +enum DwarfAttribute { + DW_AT_sibling = 0x01, + DW_AT_location = 0x02, + DW_AT_name = 0x03, + DW_AT_ordering = 0x09, + DW_AT_subscr_data = 0x0a, + DW_AT_byte_size = 0x0b, + DW_AT_bit_offset = 0x0c, + DW_AT_bit_size = 0x0d, + DW_AT_element_list = 0x0f, + DW_AT_stmt_list = 0x10, + DW_AT_low_pc = 0x11, + DW_AT_high_pc = 0x12, + DW_AT_language = 0x13, + DW_AT_member = 0x14, + DW_AT_discr = 0x15, + DW_AT_discr_value = 0x16, + DW_AT_visibility = 0x17, + DW_AT_import = 0x18, + DW_AT_string_length = 0x19, + DW_AT_common_reference = 0x1a, + DW_AT_comp_dir = 0x1b, + DW_AT_const_value = 0x1c, + DW_AT_containing_type = 0x1d, + DW_AT_default_value = 0x1e, + DW_AT_inline = 0x20, + DW_AT_is_optional = 0x21, + DW_AT_lower_bound = 0x22, + DW_AT_producer = 0x25, + DW_AT_prototyped = 0x27, + DW_AT_return_addr = 0x2a, + DW_AT_start_scope = 0x2c, + DW_AT_stride_size = 0x2e, + DW_AT_upper_bound = 0x2f, + DW_AT_abstract_origin = 0x31, + DW_AT_accessibility = 0x32, + DW_AT_address_class = 0x33, + DW_AT_artificial = 0x34, + DW_AT_base_types = 0x35, + DW_AT_calling_convention = 0x36, + DW_AT_count = 0x37, + DW_AT_data_member_location = 0x38, + DW_AT_decl_column = 0x39, + DW_AT_decl_file = 0x3a, + DW_AT_decl_line = 0x3b, + DW_AT_declaration = 0x3c, + DW_AT_discr_list = 0x3d, + DW_AT_encoding = 0x3e, + DW_AT_external = 0x3f, + DW_AT_frame_base = 0x40, + DW_AT_friend = 0x41, + DW_AT_identifier_case = 0x42, + DW_AT_macro_info = 0x43, + DW_AT_namelist_items = 0x44, + DW_AT_priority = 0x45, + DW_AT_segment = 0x46, + DW_AT_specification = 0x47, + DW_AT_static_link = 0x48, + DW_AT_type = 0x49, + DW_AT_use_location = 0x4a, + DW_AT_variable_parameter = 0x4b, + DW_AT_virtuality = 0x4c, + DW_AT_vtable_elem_location = 0x4d, + // DWARF 3 values. + DW_AT_allocated = 0x4e, + DW_AT_associated = 0x4f, + DW_AT_data_location = 0x50, + DW_AT_stride = 0x51, + DW_AT_entry_pc = 0x52, + DW_AT_use_UTF8 = 0x53, + DW_AT_extension = 0x54, + DW_AT_ranges = 0x55, + DW_AT_trampoline = 0x56, + DW_AT_call_column = 0x57, + DW_AT_call_file = 0x58, + DW_AT_call_line = 0x59, + // SGI/MIPS extensions. + DW_AT_MIPS_fde = 0x2001, + DW_AT_MIPS_loop_begin = 0x2002, + DW_AT_MIPS_tail_loop_begin = 0x2003, + DW_AT_MIPS_epilog_begin = 0x2004, + DW_AT_MIPS_loop_unroll_factor = 0x2005, + DW_AT_MIPS_software_pipeline_depth = 0x2006, + DW_AT_MIPS_linkage_name = 0x2007, + DW_AT_MIPS_stride = 0x2008, + DW_AT_MIPS_abstract_name = 0x2009, + DW_AT_MIPS_clone_origin = 0x200a, + DW_AT_MIPS_has_inlines = 0x200b, + // HP extensions. + DW_AT_HP_block_index = 0x2000, + DW_AT_HP_unmodifiable = 0x2001, // Same as DW_AT_MIPS_fde. + DW_AT_HP_actuals_stmt_list = 0x2010, + DW_AT_HP_proc_per_section = 0x2011, + DW_AT_HP_raw_data_ptr = 0x2012, + DW_AT_HP_pass_by_reference = 0x2013, + DW_AT_HP_opt_level = 0x2014, + DW_AT_HP_prof_version_id = 0x2015, + DW_AT_HP_opt_flags = 0x2016, + DW_AT_HP_cold_region_low_pc = 0x2017, + DW_AT_HP_cold_region_high_pc = 0x2018, + DW_AT_HP_all_variables_modifiable = 0x2019, + DW_AT_HP_linkage_name = 0x201a, + DW_AT_HP_prof_flags = 0x201b, // In comp unit of procs_info for -g. + // GNU extensions. + DW_AT_sf_names = 0x2101, + DW_AT_src_info = 0x2102, + DW_AT_mac_info = 0x2103, + DW_AT_src_coords = 0x2104, + DW_AT_body_begin = 0x2105, + DW_AT_body_end = 0x2106, + DW_AT_GNU_vector = 0x2107, + // VMS extensions. + DW_AT_VMS_rtnbeg_pd_address = 0x2201, + // UPC extension. + DW_AT_upc_threads_scaled = 0x3210, + // PGI (STMicroelectronics) extensions. + DW_AT_PGI_lbase = 0x3a00, + DW_AT_PGI_soffset = 0x3a01, + DW_AT_PGI_lstride = 0x3a02 +}; + + +// Line number opcodes. +enum DwarfLineNumberOps { + DW_LNS_extended_op = 0, + DW_LNS_copy = 1, + DW_LNS_advance_pc = 2, + DW_LNS_advance_line = 3, + DW_LNS_set_file = 4, + DW_LNS_set_column = 5, + DW_LNS_negate_stmt = 6, + DW_LNS_set_basic_block = 7, + DW_LNS_const_add_pc = 8, + DW_LNS_fixed_advance_pc = 9, + // DWARF 3. + DW_LNS_set_prologue_end = 10, + DW_LNS_set_epilogue_begin = 11, + DW_LNS_set_isa = 12 +}; + +// Line number extended opcodes. +enum DwarfLineNumberExtendedOps { + DW_LNE_end_sequence = 1, + DW_LNE_set_address = 2, + DW_LNE_define_file = 3, + // HP extensions. + DW_LNE_HP_negate_is_UV_update = 0x11, + DW_LNE_HP_push_context = 0x12, + DW_LNE_HP_pop_context = 0x13, + DW_LNE_HP_set_file_line_column = 0x14, + DW_LNE_HP_set_routine_name = 0x15, + DW_LNE_HP_set_sequence = 0x16, + DW_LNE_HP_negate_post_semantics = 0x17, + DW_LNE_HP_negate_function_exit = 0x18, + DW_LNE_HP_negate_front_end_logical = 0x19, + DW_LNE_HP_define_proc = 0x20 +}; + +// Type encoding names and codes +enum DwarfEncoding { + DW_ATE_address =0x1, + DW_ATE_boolean =0x2, + DW_ATE_complex_float =0x3, + DW_ATE_float =0x4, + DW_ATE_signed =0x5, + DW_ATE_signed_char =0x6, + DW_ATE_unsigned =0x7, + DW_ATE_unsigned_char =0x8, + // DWARF3/DWARF3f + DW_ATE_imaginary_float =0x9, + DW_ATE_packed_decimal =0xa, + DW_ATE_numeric_string =0xb, + DW_ATE_edited =0xc, + DW_ATE_signed_fixed =0xd, + DW_ATE_unsigned_fixed =0xe, + DW_ATE_decimal_float =0xf, + DW_ATE_lo_user =0x80, + DW_ATE_hi_user =0xff +}; + +// Location virtual machine opcodes +enum DwarfOpcode { + DW_OP_addr =0x03, + DW_OP_deref =0x06, + DW_OP_const1u =0x08, + DW_OP_const1s =0x09, + DW_OP_const2u =0x0a, + DW_OP_const2s =0x0b, + DW_OP_const4u =0x0c, + DW_OP_const4s =0x0d, + DW_OP_const8u =0x0e, + DW_OP_const8s =0x0f, + DW_OP_constu =0x10, + DW_OP_consts =0x11, + DW_OP_dup =0x12, + DW_OP_drop =0x13, + DW_OP_over =0x14, + DW_OP_pick =0x15, + DW_OP_swap =0x16, + DW_OP_rot =0x17, + DW_OP_xderef =0x18, + DW_OP_abs =0x19, + DW_OP_and =0x1a, + DW_OP_div =0x1b, + DW_OP_minus =0x1c, + DW_OP_mod =0x1d, + DW_OP_mul =0x1e, + DW_OP_neg =0x1f, + DW_OP_not =0x20, + DW_OP_or =0x21, + DW_OP_plus =0x22, + DW_OP_plus_uconst =0x23, + DW_OP_shl =0x24, + DW_OP_shr =0x25, + DW_OP_shra =0x26, + DW_OP_xor =0x27, + DW_OP_bra =0x28, + DW_OP_eq =0x29, + DW_OP_ge =0x2a, + DW_OP_gt =0x2b, + DW_OP_le =0x2c, + DW_OP_lt =0x2d, + DW_OP_ne =0x2e, + DW_OP_skip =0x2f, + DW_OP_lit0 =0x30, + DW_OP_lit1 =0x31, + DW_OP_lit2 =0x32, + DW_OP_lit3 =0x33, + DW_OP_lit4 =0x34, + DW_OP_lit5 =0x35, + DW_OP_lit6 =0x36, + DW_OP_lit7 =0x37, + DW_OP_lit8 =0x38, + DW_OP_lit9 =0x39, + DW_OP_lit10 =0x3a, + DW_OP_lit11 =0x3b, + DW_OP_lit12 =0x3c, + DW_OP_lit13 =0x3d, + DW_OP_lit14 =0x3e, + DW_OP_lit15 =0x3f, + DW_OP_lit16 =0x40, + DW_OP_lit17 =0x41, + DW_OP_lit18 =0x42, + DW_OP_lit19 =0x43, + DW_OP_lit20 =0x44, + DW_OP_lit21 =0x45, + DW_OP_lit22 =0x46, + DW_OP_lit23 =0x47, + DW_OP_lit24 =0x48, + DW_OP_lit25 =0x49, + DW_OP_lit26 =0x4a, + DW_OP_lit27 =0x4b, + DW_OP_lit28 =0x4c, + DW_OP_lit29 =0x4d, + DW_OP_lit30 =0x4e, + DW_OP_lit31 =0x4f, + DW_OP_reg0 =0x50, + DW_OP_reg1 =0x51, + DW_OP_reg2 =0x52, + DW_OP_reg3 =0x53, + DW_OP_reg4 =0x54, + DW_OP_reg5 =0x55, + DW_OP_reg6 =0x56, + DW_OP_reg7 =0x57, + DW_OP_reg8 =0x58, + DW_OP_reg9 =0x59, + DW_OP_reg10 =0x5a, + DW_OP_reg11 =0x5b, + DW_OP_reg12 =0x5c, + DW_OP_reg13 =0x5d, + DW_OP_reg14 =0x5e, + DW_OP_reg15 =0x5f, + DW_OP_reg16 =0x60, + DW_OP_reg17 =0x61, + DW_OP_reg18 =0x62, + DW_OP_reg19 =0x63, + DW_OP_reg20 =0x64, + DW_OP_reg21 =0x65, + DW_OP_reg22 =0x66, + DW_OP_reg23 =0x67, + DW_OP_reg24 =0x68, + DW_OP_reg25 =0x69, + DW_OP_reg26 =0x6a, + DW_OP_reg27 =0x6b, + DW_OP_reg28 =0x6c, + DW_OP_reg29 =0x6d, + DW_OP_reg30 =0x6e, + DW_OP_reg31 =0x6f, + DW_OP_breg0 =0x70, + DW_OP_breg1 =0x71, + DW_OP_breg2 =0x72, + DW_OP_breg3 =0x73, + DW_OP_breg4 =0x74, + DW_OP_breg5 =0x75, + DW_OP_breg6 =0x76, + DW_OP_breg7 =0x77, + DW_OP_breg8 =0x78, + DW_OP_breg9 =0x79, + DW_OP_breg10 =0x7a, + DW_OP_breg11 =0x7b, + DW_OP_breg12 =0x7c, + DW_OP_breg13 =0x7d, + DW_OP_breg14 =0x7e, + DW_OP_breg15 =0x7f, + DW_OP_breg16 =0x80, + DW_OP_breg17 =0x81, + DW_OP_breg18 =0x82, + DW_OP_breg19 =0x83, + DW_OP_breg20 =0x84, + DW_OP_breg21 =0x85, + DW_OP_breg22 =0x86, + DW_OP_breg23 =0x87, + DW_OP_breg24 =0x88, + DW_OP_breg25 =0x89, + DW_OP_breg26 =0x8a, + DW_OP_breg27 =0x8b, + DW_OP_breg28 =0x8c, + DW_OP_breg29 =0x8d, + DW_OP_breg30 =0x8e, + DW_OP_breg31 =0x8f, + DW_OP_regX =0x90, + DW_OP_fbreg =0x91, + DW_OP_bregX =0x92, + DW_OP_piece =0x93, + DW_OP_deref_size =0x94, + DW_OP_xderef_size =0x95, + DW_OP_nop =0x96, + // DWARF3/DWARF3f + DW_OP_push_object_address =0x97, + DW_OP_call2 =0x98, + DW_OP_call4 =0x99, + DW_OP_call_ref =0x9a, + DW_OP_form_tls_address =0x9b, + DW_OP_call_frame_cfa =0x9c, + DW_OP_bit_piece =0x9d, + DW_OP_lo_user =0xe0, + DW_OP_hi_user =0xff, + // GNU extensions + DW_OP_GNU_push_tls_address =0xe0 +}; + +// Source languages. These are values for DW_AT_language. +enum DwarfLanguage + { + DW_LANG_none =0x0000, + DW_LANG_C89 =0x0001, + DW_LANG_C =0x0002, + DW_LANG_Ada83 =0x0003, + DW_LANG_C_plus_plus =0x0004, + DW_LANG_Cobol74 =0x0005, + DW_LANG_Cobol85 =0x0006, + DW_LANG_Fortran77 =0x0007, + DW_LANG_Fortran90 =0x0008, + DW_LANG_Pascal83 =0x0009, + DW_LANG_Modula2 =0x000a, + DW_LANG_Java =0x000b, + DW_LANG_C99 =0x000c, + DW_LANG_Ada95 =0x000d, + DW_LANG_Fortran95 =0x000e, + DW_LANG_PLI =0x000f, + DW_LANG_ObjC =0x0010, + DW_LANG_ObjC_plus_plus =0x0011, + DW_LANG_UPC =0x0012, + DW_LANG_D =0x0013, + // Implementation-defined language code range. + DW_LANG_lo_user = 0x8000, + DW_LANG_hi_user = 0xffff, + + // Extensions. + + // MIPS assembly language. The GNU toolchain uses this for all + // assembly languages, since there's no generic DW_LANG_ value for that. + // See include/dwarf2.h in the binutils, gdb, or gcc source trees. + DW_LANG_Mips_Assembler =0x8001, + DW_LANG_Upc =0x8765 // Unified Parallel C + }; + +// Inline codes. These are values for DW_AT_inline. +enum DwarfInline { + DW_INL_not_inlined =0x0, + DW_INL_inlined =0x1, + DW_INL_declared_not_inlined =0x2, + DW_INL_declared_inlined =0x3 +}; + +// Call Frame Info instructions. +enum DwarfCFI + { + DW_CFA_advance_loc = 0x40, + DW_CFA_offset = 0x80, + DW_CFA_restore = 0xc0, + DW_CFA_nop = 0x00, + DW_CFA_set_loc = 0x01, + DW_CFA_advance_loc1 = 0x02, + DW_CFA_advance_loc2 = 0x03, + DW_CFA_advance_loc4 = 0x04, + DW_CFA_offset_extended = 0x05, + DW_CFA_restore_extended = 0x06, + DW_CFA_undefined = 0x07, + DW_CFA_same_value = 0x08, + DW_CFA_register = 0x09, + DW_CFA_remember_state = 0x0a, + DW_CFA_restore_state = 0x0b, + DW_CFA_def_cfa = 0x0c, + DW_CFA_def_cfa_register = 0x0d, + DW_CFA_def_cfa_offset = 0x0e, + DW_CFA_def_cfa_expression = 0x0f, + DW_CFA_expression = 0x10, + DW_CFA_offset_extended_sf = 0x11, + DW_CFA_def_cfa_sf = 0x12, + DW_CFA_def_cfa_offset_sf = 0x13, + DW_CFA_val_offset = 0x14, + DW_CFA_val_offset_sf = 0x15, + DW_CFA_val_expression = 0x16, + + // Opcodes in this range are reserved for user extensions. + DW_CFA_lo_user = 0x1c, + DW_CFA_hi_user = 0x3f, + + // SGI/MIPS specific. + DW_CFA_MIPS_advance_loc8 = 0x1d, + + // GNU extensions. + DW_CFA_GNU_window_save = 0x2d, + DW_CFA_GNU_args_size = 0x2e, + DW_CFA_GNU_negative_offset_extended = 0x2f + }; + +// Exception handling 'z' augmentation letters. +enum DwarfZAugmentationCodes { + // If the CFI augmentation string begins with 'z', then the CIE and FDE + // have an augmentation data area just before the instructions, whose + // contents are determined by the subsequent augmentation letters. + DW_Z_augmentation_start = 'z', + + // If this letter is present in a 'z' augmentation string, the CIE + // augmentation data includes a pointer encoding, and the FDE + // augmentation data includes a language-specific data area pointer, + // represented using that encoding. + DW_Z_has_LSDA = 'L', + + // If this letter is present in a 'z' augmentation string, the CIE + // augmentation data includes a pointer encoding, followed by a pointer + // to a personality routine, represented using that encoding. + DW_Z_has_personality_routine = 'P', + + // If this letter is present in a 'z' augmentation string, the CIE + // augmentation data includes a pointer encoding describing how the FDE's + // initial location, address range, and DW_CFA_set_loc operands are + // encoded. + DW_Z_has_FDE_address_encoding = 'R', + + // If this letter is present in a 'z' augmentation string, then code + // addresses covered by FDEs that cite this CIE are signal delivery + // trampolines. Return addresses of frames in trampolines should not be + // adjusted as described in section 6.4.4 of the DWARF 3 spec. + DW_Z_is_signal_trampoline = 'S' +}; + +// Exception handling frame description pointer formats, as described +// by the Linux Standard Base Core Specification 4.0, section 11.5, +// DWARF Extensions. +enum DwarfPointerEncoding + { + DW_EH_PE_absptr = 0x00, + DW_EH_PE_omit = 0xff, + DW_EH_PE_uleb128 = 0x01, + DW_EH_PE_udata2 = 0x02, + DW_EH_PE_udata4 = 0x03, + DW_EH_PE_udata8 = 0x04, + DW_EH_PE_sleb128 = 0x09, + DW_EH_PE_sdata2 = 0x0A, + DW_EH_PE_sdata4 = 0x0B, + DW_EH_PE_sdata8 = 0x0C, + DW_EH_PE_pcrel = 0x10, + DW_EH_PE_textrel = 0x20, + DW_EH_PE_datarel = 0x30, + DW_EH_PE_funcrel = 0x40, + DW_EH_PE_aligned = 0x50, + + // The GNU toolchain sources define this enum value as well, + // simply to help classify the lower nybble values into signed and + // unsigned groups. + DW_EH_PE_signed = 0x08, + + // This is not documented in LSB 4.0, but it is used in both the + // Linux and OS X toolchains. It can be added to any other + // encoding (except DW_EH_PE_aligned), and indicates that the + // encoded value represents the address at which the true address + // is stored, not the true address itself. + DW_EH_PE_indirect = 0x80 + }; + +} // namespace dwarf2reader +#endif // COMMON_DWARF_DWARF2ENUMS_H__ diff --git a/google-breakpad/src/common/dwarf/dwarf2reader.cc b/google-breakpad/src/common/dwarf/dwarf2reader.cc new file mode 100644 index 0000000..f1a07f0 --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2reader.cc @@ -0,0 +1,2340 @@ +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// CFI reader author: Jim Blandy + +// Implementation of dwarf2reader::LineInfo, dwarf2reader::CompilationUnit, +// and dwarf2reader::CallFrameInfo. See dwarf2reader.h for details. + +#include "common/dwarf/dwarf2reader.h" + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "common/dwarf/bytereader-inl.h" +#include "common/dwarf/bytereader.h" +#include "common/dwarf/line_state_machine.h" +#include "common/using_std_string.h" + +namespace dwarf2reader { + +CompilationUnit::CompilationUnit(const SectionMap& sections, uint64 offset, + ByteReader* reader, Dwarf2Handler* handler) + : offset_from_section_start_(offset), reader_(reader), + sections_(sections), handler_(handler), abbrevs_(NULL), + string_buffer_(NULL), string_buffer_length_(0) {} + +// Read a DWARF2/3 abbreviation section. +// Each abbrev consists of a abbreviation number, a tag, a byte +// specifying whether the tag has children, and a list of +// attribute/form pairs. +// The list of forms is terminated by a 0 for the attribute, and a +// zero for the form. The entire abbreviation section is terminated +// by a zero for the code. + +void CompilationUnit::ReadAbbrevs() { + if (abbrevs_) + return; + + // First get the debug_abbrev section. ".debug_abbrev" is the name + // recommended in the DWARF spec, and used on Linux; + // "__debug_abbrev" is the name used in Mac OS X Mach-O files. + SectionMap::const_iterator iter = sections_.find(".debug_abbrev"); + if (iter == sections_.end()) + iter = sections_.find("__debug_abbrev"); + assert(iter != sections_.end()); + + abbrevs_ = new std::vector; + abbrevs_->resize(1); + + // The only way to check whether we are reading over the end of the + // buffer would be to first compute the size of the leb128 data by + // reading it, then go back and read it again. + const char* abbrev_start = iter->second.first + + header_.abbrev_offset; + const char* abbrevptr = abbrev_start; +#ifndef NDEBUG + const uint64 abbrev_length = iter->second.second - header_.abbrev_offset; +#endif + + while (1) { + CompilationUnit::Abbrev abbrev; + size_t len; + const uint64 number = reader_->ReadUnsignedLEB128(abbrevptr, &len); + + if (number == 0) + break; + abbrev.number = number; + abbrevptr += len; + + assert(abbrevptr < abbrev_start + abbrev_length); + const uint64 tag = reader_->ReadUnsignedLEB128(abbrevptr, &len); + abbrevptr += len; + abbrev.tag = static_cast(tag); + + assert(abbrevptr < abbrev_start + abbrev_length); + abbrev.has_children = reader_->ReadOneByte(abbrevptr); + abbrevptr += 1; + + assert(abbrevptr < abbrev_start + abbrev_length); + + while (1) { + const uint64 nametemp = reader_->ReadUnsignedLEB128(abbrevptr, &len); + abbrevptr += len; + + assert(abbrevptr < abbrev_start + abbrev_length); + const uint64 formtemp = reader_->ReadUnsignedLEB128(abbrevptr, &len); + abbrevptr += len; + if (nametemp == 0 && formtemp == 0) + break; + + const enum DwarfAttribute name = + static_cast(nametemp); + const enum DwarfForm form = static_cast(formtemp); + abbrev.attributes.push_back(std::make_pair(name, form)); + } + assert(abbrev.number == abbrevs_->size()); + abbrevs_->push_back(abbrev); + } +} + +// Skips a single DIE's attributes. +const char* CompilationUnit::SkipDIE(const char* start, + const Abbrev& abbrev) { + for (AttributeList::const_iterator i = abbrev.attributes.begin(); + i != abbrev.attributes.end(); + i++) { + start = SkipAttribute(start, i->second); + } + return start; +} + +// Skips a single attribute form's data. +const char* CompilationUnit::SkipAttribute(const char* start, + enum DwarfForm form) { + size_t len; + + switch (form) { + case DW_FORM_indirect: + form = static_cast(reader_->ReadUnsignedLEB128(start, + &len)); + start += len; + return SkipAttribute(start, form); + + case DW_FORM_flag_present: + return start; + case DW_FORM_data1: + case DW_FORM_flag: + case DW_FORM_ref1: + return start + 1; + case DW_FORM_ref2: + case DW_FORM_data2: + return start + 2; + case DW_FORM_ref4: + case DW_FORM_data4: + return start + 4; + case DW_FORM_ref8: + case DW_FORM_data8: + case DW_FORM_ref_sig8: + return start + 8; + case DW_FORM_string: + return start + strlen(start) + 1; + case DW_FORM_udata: + case DW_FORM_ref_udata: + reader_->ReadUnsignedLEB128(start, &len); + return start + len; + + case DW_FORM_sdata: + reader_->ReadSignedLEB128(start, &len); + return start + len; + case DW_FORM_addr: + return start + reader_->AddressSize(); + case DW_FORM_ref_addr: + // DWARF2 and 3 differ on whether ref_addr is address size or + // offset size. + assert(header_.version == 2 || header_.version == 3); + if (header_.version == 2) { + return start + reader_->AddressSize(); + } else if (header_.version == 3) { + return start + reader_->OffsetSize(); + } + + case DW_FORM_block1: + return start + 1 + reader_->ReadOneByte(start); + case DW_FORM_block2: + return start + 2 + reader_->ReadTwoBytes(start); + case DW_FORM_block4: + return start + 4 + reader_->ReadFourBytes(start); + case DW_FORM_block: + case DW_FORM_exprloc: { + uint64 size = reader_->ReadUnsignedLEB128(start, &len); + return start + size + len; + } + case DW_FORM_strp: + case DW_FORM_sec_offset: + return start + reader_->OffsetSize(); + } + fprintf(stderr,"Unhandled form type"); + return NULL; +} + +// Read a DWARF2/3 header. +// The header is variable length in DWARF3 (and DWARF2 as extended by +// most compilers), and consists of an length field, a version number, +// the offset in the .debug_abbrev section for our abbrevs, and an +// address size. +void CompilationUnit::ReadHeader() { + const char* headerptr = buffer_; + size_t initial_length_size; + + assert(headerptr + 4 < buffer_ + buffer_length_); + const uint64 initial_length + = reader_->ReadInitialLength(headerptr, &initial_length_size); + headerptr += initial_length_size; + header_.length = initial_length; + + assert(headerptr + 2 < buffer_ + buffer_length_); + header_.version = reader_->ReadTwoBytes(headerptr); + headerptr += 2; + + assert(headerptr + reader_->OffsetSize() < buffer_ + buffer_length_); + header_.abbrev_offset = reader_->ReadOffset(headerptr); + headerptr += reader_->OffsetSize(); + + assert(headerptr + 1 < buffer_ + buffer_length_); + header_.address_size = reader_->ReadOneByte(headerptr); + reader_->SetAddressSize(header_.address_size); + headerptr += 1; + + after_header_ = headerptr; + + // This check ensures that we don't have to do checking during the + // reading of DIEs. header_.length does not include the size of the + // initial length. + assert(buffer_ + initial_length_size + header_.length <= + buffer_ + buffer_length_); +} + +uint64 CompilationUnit::Start() { + // First get the debug_info section. ".debug_info" is the name + // recommended in the DWARF spec, and used on Linux; "__debug_info" + // is the name used in Mac OS X Mach-O files. + SectionMap::const_iterator iter = sections_.find(".debug_info"); + if (iter == sections_.end()) + iter = sections_.find("__debug_info"); + assert(iter != sections_.end()); + + // Set up our buffer + buffer_ = iter->second.first + offset_from_section_start_; + buffer_length_ = iter->second.second - offset_from_section_start_; + + // Read the header + ReadHeader(); + + // Figure out the real length from the end of the initial length to + // the end of the compilation unit, since that is the value we + // return. + uint64 ourlength = header_.length; + if (reader_->OffsetSize() == 8) + ourlength += 12; + else + ourlength += 4; + + // See if the user wants this compilation unit, and if not, just return. + if (!handler_->StartCompilationUnit(offset_from_section_start_, + reader_->AddressSize(), + reader_->OffsetSize(), + header_.length, + header_.version)) + return ourlength; + + // Otherwise, continue by reading our abbreviation entries. + ReadAbbrevs(); + + // Set the string section if we have one. ".debug_str" is the name + // recommended in the DWARF spec, and used on Linux; "__debug_str" + // is the name used in Mac OS X Mach-O files. + iter = sections_.find(".debug_str"); + if (iter == sections_.end()) + iter = sections_.find("__debug_str"); + if (iter != sections_.end()) { + string_buffer_ = iter->second.first; + string_buffer_length_ = iter->second.second; + } + + // Now that we have our abbreviations, start processing DIE's. + ProcessDIEs(); + + return ourlength; +} + +// If one really wanted, you could merge SkipAttribute and +// ProcessAttribute +// This is all boring data manipulation and calling of the handler. +const char* CompilationUnit::ProcessAttribute( + uint64 dieoffset, const char* start, enum DwarfAttribute attr, + enum DwarfForm form) { + size_t len; + + switch (form) { + // DW_FORM_indirect is never used because it is such a space + // waster. + case DW_FORM_indirect: + form = static_cast(reader_->ReadUnsignedLEB128(start, + &len)); + start += len; + return ProcessAttribute(dieoffset, start, attr, form); + + case DW_FORM_flag_present: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, 1); + return start; + case DW_FORM_data1: + case DW_FORM_flag: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, + reader_->ReadOneByte(start)); + return start + 1; + case DW_FORM_data2: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, + reader_->ReadTwoBytes(start)); + return start + 2; + case DW_FORM_data4: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, + reader_->ReadFourBytes(start)); + return start + 4; + case DW_FORM_data8: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, + reader_->ReadEightBytes(start)); + return start + 8; + case DW_FORM_string: { + const char* str = start; + handler_->ProcessAttributeString(dieoffset, attr, form, + str); + return start + strlen(str) + 1; + } + case DW_FORM_udata: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, + reader_->ReadUnsignedLEB128(start, + &len)); + return start + len; + + case DW_FORM_sdata: + handler_->ProcessAttributeSigned(dieoffset, attr, form, + reader_->ReadSignedLEB128(start, &len)); + return start + len; + case DW_FORM_addr: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, + reader_->ReadAddress(start)); + return start + reader_->AddressSize(); + case DW_FORM_sec_offset: + handler_->ProcessAttributeUnsigned(dieoffset, attr, form, + reader_->ReadOffset(start)); + return start + reader_->OffsetSize(); + + case DW_FORM_ref1: + handler_->ProcessAttributeReference(dieoffset, attr, form, + reader_->ReadOneByte(start) + + offset_from_section_start_); + return start + 1; + case DW_FORM_ref2: + handler_->ProcessAttributeReference(dieoffset, attr, form, + reader_->ReadTwoBytes(start) + + offset_from_section_start_); + return start + 2; + case DW_FORM_ref4: + handler_->ProcessAttributeReference(dieoffset, attr, form, + reader_->ReadFourBytes(start) + + offset_from_section_start_); + return start + 4; + case DW_FORM_ref8: + handler_->ProcessAttributeReference(dieoffset, attr, form, + reader_->ReadEightBytes(start) + + offset_from_section_start_); + return start + 8; + case DW_FORM_ref_udata: + handler_->ProcessAttributeReference(dieoffset, attr, form, + reader_->ReadUnsignedLEB128(start, + &len) + + offset_from_section_start_); + return start + len; + case DW_FORM_ref_addr: + // DWARF2 and 3 differ on whether ref_addr is address size or + // offset size. + assert(header_.version == 2 || header_.version == 3); + if (header_.version == 2) { + handler_->ProcessAttributeReference(dieoffset, attr, form, + reader_->ReadAddress(start)); + return start + reader_->AddressSize(); + } else if (header_.version == 3) { + handler_->ProcessAttributeReference(dieoffset, attr, form, + reader_->ReadOffset(start)); + return start + reader_->OffsetSize(); + } + break; + case DW_FORM_ref_sig8: + handler_->ProcessAttributeSignature(dieoffset, attr, form, + reader_->ReadEightBytes(start)); + return start + 8; + + case DW_FORM_block1: { + uint64 datalen = reader_->ReadOneByte(start); + handler_->ProcessAttributeBuffer(dieoffset, attr, form, start + 1, + datalen); + return start + 1 + datalen; + } + case DW_FORM_block2: { + uint64 datalen = reader_->ReadTwoBytes(start); + handler_->ProcessAttributeBuffer(dieoffset, attr, form, start + 2, + datalen); + return start + 2 + datalen; + } + case DW_FORM_block4: { + uint64 datalen = reader_->ReadFourBytes(start); + handler_->ProcessAttributeBuffer(dieoffset, attr, form, start + 4, + datalen); + return start + 4 + datalen; + } + case DW_FORM_block: + case DW_FORM_exprloc: { + uint64 datalen = reader_->ReadUnsignedLEB128(start, &len); + handler_->ProcessAttributeBuffer(dieoffset, attr, form, start + len, + datalen); + return start + datalen + len; + } + case DW_FORM_strp: { + assert(string_buffer_ != NULL); + + const uint64 offset = reader_->ReadOffset(start); + assert(string_buffer_ + offset < string_buffer_ + string_buffer_length_); + + const char* str = string_buffer_ + offset; + handler_->ProcessAttributeString(dieoffset, attr, form, + str); + return start + reader_->OffsetSize(); + } + } + fprintf(stderr, "Unhandled form type\n"); + return NULL; +} + +const char* CompilationUnit::ProcessDIE(uint64 dieoffset, + const char* start, + const Abbrev& abbrev) { + for (AttributeList::const_iterator i = abbrev.attributes.begin(); + i != abbrev.attributes.end(); + i++) { + start = ProcessAttribute(dieoffset, start, i->first, i->second); + } + return start; +} + +void CompilationUnit::ProcessDIEs() { + const char* dieptr = after_header_; + size_t len; + + // lengthstart is the place the length field is based on. + // It is the point in the header after the initial length field + const char* lengthstart = buffer_; + + // In 64 bit dwarf, the initial length is 12 bytes, because of the + // 0xffffffff at the start. + if (reader_->OffsetSize() == 8) + lengthstart += 12; + else + lengthstart += 4; + + std::stack die_stack; + + while (dieptr < (lengthstart + header_.length)) { + // We give the user the absolute offset from the beginning of + // debug_info, since they need it to deal with ref_addr forms. + uint64 absolute_offset = (dieptr - buffer_) + offset_from_section_start_; + + uint64 abbrev_num = reader_->ReadUnsignedLEB128(dieptr, &len); + + dieptr += len; + + // Abbrev == 0 represents the end of a list of children, or padding + // at the end of the compilation unit. + if (abbrev_num == 0) { + if (die_stack.size() == 0) + // If it is padding, then we are done with the compilation unit's DIEs. + return; + const uint64 offset = die_stack.top(); + die_stack.pop(); + handler_->EndDIE(offset); + continue; + } + + const Abbrev& abbrev = abbrevs_->at(static_cast(abbrev_num)); + const enum DwarfTag tag = abbrev.tag; + if (!handler_->StartDIE(absolute_offset, tag)) { + dieptr = SkipDIE(dieptr, abbrev); + } else { + dieptr = ProcessDIE(absolute_offset, dieptr, abbrev); + } + + if (abbrev.has_children) { + die_stack.push(absolute_offset); + } else { + handler_->EndDIE(absolute_offset); + } + } +} + +LineInfo::LineInfo(const char* buffer, uint64 buffer_length, + ByteReader* reader, LineInfoHandler* handler): + handler_(handler), reader_(reader), buffer_(buffer), + buffer_length_(buffer_length) { + header_.std_opcode_lengths = NULL; +} + +uint64 LineInfo::Start() { + ReadHeader(); + ReadLines(); + return after_header_ - buffer_; +} + +// The header for a debug_line section is mildly complicated, because +// the line info is very tightly encoded. +void LineInfo::ReadHeader() { + const char* lineptr = buffer_; + size_t initial_length_size; + + const uint64 initial_length + = reader_->ReadInitialLength(lineptr, &initial_length_size); + + lineptr += initial_length_size; + header_.total_length = initial_length; + assert(buffer_ + initial_length_size + header_.total_length <= + buffer_ + buffer_length_); + + // Address size *must* be set by CU ahead of time. + assert(reader_->AddressSize() != 0); + + header_.version = reader_->ReadTwoBytes(lineptr); + lineptr += 2; + + header_.prologue_length = reader_->ReadOffset(lineptr); + lineptr += reader_->OffsetSize(); + + header_.min_insn_length = reader_->ReadOneByte(lineptr); + lineptr += 1; + + header_.default_is_stmt = reader_->ReadOneByte(lineptr); + lineptr += 1; + + header_.line_base = *reinterpret_cast(lineptr); + lineptr += 1; + + header_.line_range = reader_->ReadOneByte(lineptr); + lineptr += 1; + + header_.opcode_base = reader_->ReadOneByte(lineptr); + lineptr += 1; + + header_.std_opcode_lengths = new std::vector; + header_.std_opcode_lengths->resize(header_.opcode_base + 1); + (*header_.std_opcode_lengths)[0] = 0; + for (int i = 1; i < header_.opcode_base; i++) { + (*header_.std_opcode_lengths)[i] = reader_->ReadOneByte(lineptr); + lineptr += 1; + } + + // It is legal for the directory entry table to be empty. + if (*lineptr) { + uint32 dirindex = 1; + while (*lineptr) { + const char* dirname = lineptr; + handler_->DefineDir(dirname, dirindex); + lineptr += strlen(dirname) + 1; + dirindex++; + } + } + lineptr++; + + // It is also legal for the file entry table to be empty. + if (*lineptr) { + uint32 fileindex = 1; + size_t len; + while (*lineptr) { + const char* filename = lineptr; + lineptr += strlen(filename) + 1; + + uint64 dirindex = reader_->ReadUnsignedLEB128(lineptr, &len); + lineptr += len; + + uint64 mod_time = reader_->ReadUnsignedLEB128(lineptr, &len); + lineptr += len; + + uint64 filelength = reader_->ReadUnsignedLEB128(lineptr, &len); + lineptr += len; + handler_->DefineFile(filename, fileindex, static_cast(dirindex), + mod_time, filelength); + fileindex++; + } + } + lineptr++; + + after_header_ = lineptr; +} + +/* static */ +bool LineInfo::ProcessOneOpcode(ByteReader* reader, + LineInfoHandler* handler, + const struct LineInfoHeader &header, + const char* start, + struct LineStateMachine* lsm, + size_t* len, + uintptr pc, + bool *lsm_passes_pc) { + size_t oplen = 0; + size_t templen; + uint8 opcode = reader->ReadOneByte(start); + oplen++; + start++; + + // If the opcode is great than the opcode_base, it is a special + // opcode. Most line programs consist mainly of special opcodes. + if (opcode >= header.opcode_base) { + opcode -= header.opcode_base; + const int64 advance_address = (opcode / header.line_range) + * header.min_insn_length; + const int32 advance_line = (opcode % header.line_range) + + header.line_base; + + // Check if the lsm passes "pc". If so, mark it as passed. + if (lsm_passes_pc && + lsm->address <= pc && pc < lsm->address + advance_address) { + *lsm_passes_pc = true; + } + + lsm->address += advance_address; + lsm->line_num += advance_line; + lsm->basic_block = true; + *len = oplen; + return true; + } + + // Otherwise, we have the regular opcodes + switch (opcode) { + case DW_LNS_copy: { + lsm->basic_block = false; + *len = oplen; + return true; + } + + case DW_LNS_advance_pc: { + uint64 advance_address = reader->ReadUnsignedLEB128(start, &templen); + oplen += templen; + + // Check if the lsm passes "pc". If so, mark it as passed. + if (lsm_passes_pc && lsm->address <= pc && + pc < lsm->address + header.min_insn_length * advance_address) { + *lsm_passes_pc = true; + } + + lsm->address += header.min_insn_length * advance_address; + } + break; + case DW_LNS_advance_line: { + const int64 advance_line = reader->ReadSignedLEB128(start, &templen); + oplen += templen; + lsm->line_num += static_cast(advance_line); + + // With gcc 4.2.1, we can get the line_no here for the first time + // since DW_LNS_advance_line is called after DW_LNE_set_address is + // called. So we check if the lsm passes "pc" here, not in + // DW_LNE_set_address. + if (lsm_passes_pc && lsm->address == pc) { + *lsm_passes_pc = true; + } + } + break; + case DW_LNS_set_file: { + const uint64 fileno = reader->ReadUnsignedLEB128(start, &templen); + oplen += templen; + lsm->file_num = static_cast(fileno); + } + break; + case DW_LNS_set_column: { + const uint64 colno = reader->ReadUnsignedLEB128(start, &templen); + oplen += templen; + lsm->column_num = static_cast(colno); + } + break; + case DW_LNS_negate_stmt: { + lsm->is_stmt = !lsm->is_stmt; + } + break; + case DW_LNS_set_basic_block: { + lsm->basic_block = true; + } + break; + case DW_LNS_fixed_advance_pc: { + const uint16 advance_address = reader->ReadTwoBytes(start); + oplen += 2; + + // Check if the lsm passes "pc". If so, mark it as passed. + if (lsm_passes_pc && + lsm->address <= pc && pc < lsm->address + advance_address) { + *lsm_passes_pc = true; + } + + lsm->address += advance_address; + } + break; + case DW_LNS_const_add_pc: { + const int64 advance_address = header.min_insn_length + * ((255 - header.opcode_base) + / header.line_range); + + // Check if the lsm passes "pc". If so, mark it as passed. + if (lsm_passes_pc && + lsm->address <= pc && pc < lsm->address + advance_address) { + *lsm_passes_pc = true; + } + + lsm->address += advance_address; + } + break; + case DW_LNS_extended_op: { + const uint64 extended_op_len = reader->ReadUnsignedLEB128(start, + &templen); + start += templen; + oplen += templen + extended_op_len; + + const uint64 extended_op = reader->ReadOneByte(start); + start++; + + switch (extended_op) { + case DW_LNE_end_sequence: { + lsm->end_sequence = true; + *len = oplen; + return true; + } + break; + case DW_LNE_set_address: { + // With gcc 4.2.1, we cannot tell the line_no here since + // DW_LNE_set_address is called before DW_LNS_advance_line is + // called. So we do not check if the lsm passes "pc" here. See + // also the comment in DW_LNS_advance_line. + uint64 address = reader->ReadAddress(start); + lsm->address = address; + } + break; + case DW_LNE_define_file: { + const char* filename = start; + + templen = strlen(filename) + 1; + start += templen; + + uint64 dirindex = reader->ReadUnsignedLEB128(start, &templen); + oplen += templen; + + const uint64 mod_time = reader->ReadUnsignedLEB128(start, + &templen); + oplen += templen; + + const uint64 filelength = reader->ReadUnsignedLEB128(start, + &templen); + oplen += templen; + + if (handler) { + handler->DefineFile(filename, -1, static_cast(dirindex), + mod_time, filelength); + } + } + break; + } + } + break; + + default: { + // Ignore unknown opcode silently + if (header.std_opcode_lengths) { + for (int i = 0; i < (*header.std_opcode_lengths)[opcode]; i++) { + reader->ReadUnsignedLEB128(start, &templen); + start += templen; + oplen += templen; + } + } + } + break; + } + *len = oplen; + return false; +} + +void LineInfo::ReadLines() { + struct LineStateMachine lsm; + + // lengthstart is the place the length field is based on. + // It is the point in the header after the initial length field + const char* lengthstart = buffer_; + + // In 64 bit dwarf, the initial length is 12 bytes, because of the + // 0xffffffff at the start. + if (reader_->OffsetSize() == 8) + lengthstart += 12; + else + lengthstart += 4; + + const char* lineptr = after_header_; + lsm.Reset(header_.default_is_stmt); + + // The LineInfoHandler interface expects each line's length along + // with its address, but DWARF only provides addresses (sans + // length), and an end-of-sequence address; one infers the length + // from the next address. So we report a line only when we get the + // next line's address, or the end-of-sequence address. + bool have_pending_line = false; + uint64 pending_address = 0; + uint32 pending_file_num = 0, pending_line_num = 0, pending_column_num = 0; + + while (lineptr < lengthstart + header_.total_length) { + size_t oplength; + bool add_row = ProcessOneOpcode(reader_, handler_, header_, + lineptr, &lsm, &oplength, (uintptr)-1, + NULL); + if (add_row) { + if (have_pending_line) + handler_->AddLine(pending_address, lsm.address - pending_address, + pending_file_num, pending_line_num, + pending_column_num); + if (lsm.end_sequence) { + lsm.Reset(header_.default_is_stmt); + have_pending_line = false; + } else { + pending_address = lsm.address; + pending_file_num = lsm.file_num; + pending_line_num = lsm.line_num; + pending_column_num = lsm.column_num; + have_pending_line = true; + } + } + lineptr += oplength; + } + + after_header_ = lengthstart + header_.total_length; +} + +// A DWARF rule for recovering the address or value of a register, or +// computing the canonical frame address. There is one subclass of this for +// each '*Rule' member function in CallFrameInfo::Handler. +// +// It's annoying that we have to handle Rules using pointers (because +// the concrete instances can have an arbitrary size). They're small, +// so it would be much nicer if we could just handle them by value +// instead of fretting about ownership and destruction. +// +// It seems like all these could simply be instances of std::tr1::bind, +// except that we need instances to be EqualityComparable, too. +// +// This could logically be nested within State, but then the qualified names +// get horrendous. +class CallFrameInfo::Rule { + public: + virtual ~Rule() { } + + // Tell HANDLER that, at ADDRESS in the program, REGISTER can be + // recovered using this rule. If REGISTER is kCFARegister, then this rule + // describes how to compute the canonical frame address. Return what the + // HANDLER member function returned. + virtual bool Handle(Handler *handler, + uint64 address, int register) const = 0; + + // Equality on rules. We use these to decide which rules we need + // to report after a DW_CFA_restore_state instruction. + virtual bool operator==(const Rule &rhs) const = 0; + + bool operator!=(const Rule &rhs) const { return ! (*this == rhs); } + + // Return a pointer to a copy of this rule. + virtual Rule *Copy() const = 0; + + // If this is a base+offset rule, change its base register to REG. + // Otherwise, do nothing. (Ugly, but required for DW_CFA_def_cfa_register.) + virtual void SetBaseRegister(unsigned reg) { } + + // If this is a base+offset rule, change its offset to OFFSET. Otherwise, + // do nothing. (Ugly, but required for DW_CFA_def_cfa_offset.) + virtual void SetOffset(long long offset) { } +}; + +// Rule: the value the register had in the caller cannot be recovered. +class CallFrameInfo::UndefinedRule: public CallFrameInfo::Rule { + public: + UndefinedRule() { } + ~UndefinedRule() { } + bool Handle(Handler *handler, uint64 address, int reg) const { + return handler->UndefinedRule(address, reg); + } + bool operator==(const Rule &rhs) const { + // dynamic_cast is allowed by the Google C++ Style Guide, if the use has + // been carefully considered; cheap RTTI-like workarounds are forbidden. + const UndefinedRule *our_rhs = dynamic_cast(&rhs); + return (our_rhs != NULL); + } + Rule *Copy() const { return new UndefinedRule(*this); } +}; + +// Rule: the register's value is the same as that it had in the caller. +class CallFrameInfo::SameValueRule: public CallFrameInfo::Rule { + public: + SameValueRule() { } + ~SameValueRule() { } + bool Handle(Handler *handler, uint64 address, int reg) const { + return handler->SameValueRule(address, reg); + } + bool operator==(const Rule &rhs) const { + // dynamic_cast is allowed by the Google C++ Style Guide, if the use has + // been carefully considered; cheap RTTI-like workarounds are forbidden. + const SameValueRule *our_rhs = dynamic_cast(&rhs); + return (our_rhs != NULL); + } + Rule *Copy() const { return new SameValueRule(*this); } +}; + +// Rule: the register is saved at OFFSET from BASE_REGISTER. BASE_REGISTER +// may be CallFrameInfo::Handler::kCFARegister. +class CallFrameInfo::OffsetRule: public CallFrameInfo::Rule { + public: + OffsetRule(int base_register, long offset) + : base_register_(base_register), offset_(offset) { } + ~OffsetRule() { } + bool Handle(Handler *handler, uint64 address, int reg) const { + return handler->OffsetRule(address, reg, base_register_, offset_); + } + bool operator==(const Rule &rhs) const { + // dynamic_cast is allowed by the Google C++ Style Guide, if the use has + // been carefully considered; cheap RTTI-like workarounds are forbidden. + const OffsetRule *our_rhs = dynamic_cast(&rhs); + return (our_rhs && + base_register_ == our_rhs->base_register_ && + offset_ == our_rhs->offset_); + } + Rule *Copy() const { return new OffsetRule(*this); } + // We don't actually need SetBaseRegister or SetOffset here, since they + // are only ever applied to CFA rules, for DW_CFA_def_cfa_offset, and it + // doesn't make sense to use OffsetRule for computing the CFA: it + // computes the address at which a register is saved, not a value. + private: + int base_register_; + long offset_; +}; + +// Rule: the value the register had in the caller is the value of +// BASE_REGISTER plus offset. BASE_REGISTER may be +// CallFrameInfo::Handler::kCFARegister. +class CallFrameInfo::ValOffsetRule: public CallFrameInfo::Rule { + public: + ValOffsetRule(int base_register, long offset) + : base_register_(base_register), offset_(offset) { } + ~ValOffsetRule() { } + bool Handle(Handler *handler, uint64 address, int reg) const { + return handler->ValOffsetRule(address, reg, base_register_, offset_); + } + bool operator==(const Rule &rhs) const { + // dynamic_cast is allowed by the Google C++ Style Guide, if the use has + // been carefully considered; cheap RTTI-like workarounds are forbidden. + const ValOffsetRule *our_rhs = dynamic_cast(&rhs); + return (our_rhs && + base_register_ == our_rhs->base_register_ && + offset_ == our_rhs->offset_); + } + Rule *Copy() const { return new ValOffsetRule(*this); } + void SetBaseRegister(unsigned reg) { base_register_ = reg; } + void SetOffset(long long offset) { offset_ = offset; } + private: + int base_register_; + long offset_; +}; + +// Rule: the register has been saved in another register REGISTER_NUMBER_. +class CallFrameInfo::RegisterRule: public CallFrameInfo::Rule { + public: + explicit RegisterRule(int register_number) + : register_number_(register_number) { } + ~RegisterRule() { } + bool Handle(Handler *handler, uint64 address, int reg) const { + return handler->RegisterRule(address, reg, register_number_); + } + bool operator==(const Rule &rhs) const { + // dynamic_cast is allowed by the Google C++ Style Guide, if the use has + // been carefully considered; cheap RTTI-like workarounds are forbidden. + const RegisterRule *our_rhs = dynamic_cast(&rhs); + return (our_rhs && register_number_ == our_rhs->register_number_); + } + Rule *Copy() const { return new RegisterRule(*this); } + private: + int register_number_; +}; + +// Rule: EXPRESSION evaluates to the address at which the register is saved. +class CallFrameInfo::ExpressionRule: public CallFrameInfo::Rule { + public: + explicit ExpressionRule(const string &expression) + : expression_(expression) { } + ~ExpressionRule() { } + bool Handle(Handler *handler, uint64 address, int reg) const { + return handler->ExpressionRule(address, reg, expression_); + } + bool operator==(const Rule &rhs) const { + // dynamic_cast is allowed by the Google C++ Style Guide, if the use has + // been carefully considered; cheap RTTI-like workarounds are forbidden. + const ExpressionRule *our_rhs = dynamic_cast(&rhs); + return (our_rhs && expression_ == our_rhs->expression_); + } + Rule *Copy() const { return new ExpressionRule(*this); } + private: + string expression_; +}; + +// Rule: EXPRESSION evaluates to the address at which the register is saved. +class CallFrameInfo::ValExpressionRule: public CallFrameInfo::Rule { + public: + explicit ValExpressionRule(const string &expression) + : expression_(expression) { } + ~ValExpressionRule() { } + bool Handle(Handler *handler, uint64 address, int reg) const { + return handler->ValExpressionRule(address, reg, expression_); + } + bool operator==(const Rule &rhs) const { + // dynamic_cast is allowed by the Google C++ Style Guide, if the use has + // been carefully considered; cheap RTTI-like workarounds are forbidden. + const ValExpressionRule *our_rhs = + dynamic_cast(&rhs); + return (our_rhs && expression_ == our_rhs->expression_); + } + Rule *Copy() const { return new ValExpressionRule(*this); } + private: + string expression_; +}; + +// A map from register numbers to rules. +class CallFrameInfo::RuleMap { + public: + RuleMap() : cfa_rule_(NULL) { } + RuleMap(const RuleMap &rhs) : cfa_rule_(NULL) { *this = rhs; } + ~RuleMap() { Clear(); } + + RuleMap &operator=(const RuleMap &rhs); + + // Set the rule for computing the CFA to RULE. Take ownership of RULE. + void SetCFARule(Rule *rule) { delete cfa_rule_; cfa_rule_ = rule; } + + // Return the current CFA rule. Unlike RegisterRule, this RuleMap retains + // ownership of the rule. We use this for DW_CFA_def_cfa_offset and + // DW_CFA_def_cfa_register, and for detecting references to the CFA before + // a rule for it has been established. + Rule *CFARule() const { return cfa_rule_; } + + // Return the rule for REG, or NULL if there is none. The caller takes + // ownership of the result. + Rule *RegisterRule(int reg) const; + + // Set the rule for computing REG to RULE. Take ownership of RULE. + void SetRegisterRule(int reg, Rule *rule); + + // Make all the appropriate calls to HANDLER as if we were changing from + // this RuleMap to NEW_RULES at ADDRESS. We use this to implement + // DW_CFA_restore_state, where lots of rules can change simultaneously. + // Return true if all handlers returned true; otherwise, return false. + bool HandleTransitionTo(Handler *handler, uint64 address, + const RuleMap &new_rules) const; + + private: + // A map from register numbers to Rules. + typedef std::map RuleByNumber; + + // Remove all register rules and clear cfa_rule_. + void Clear(); + + // The rule for computing the canonical frame address. This RuleMap owns + // this rule. + Rule *cfa_rule_; + + // A map from register numbers to postfix expressions to recover + // their values. This RuleMap owns the Rules the map refers to. + RuleByNumber registers_; +}; + +CallFrameInfo::RuleMap &CallFrameInfo::RuleMap::operator=(const RuleMap &rhs) { + Clear(); + // Since each map owns the rules it refers to, assignment must copy them. + if (rhs.cfa_rule_) cfa_rule_ = rhs.cfa_rule_->Copy(); + for (RuleByNumber::const_iterator it = rhs.registers_.begin(); + it != rhs.registers_.end(); it++) + registers_[it->first] = it->second->Copy(); + return *this; +} + +CallFrameInfo::Rule *CallFrameInfo::RuleMap::RegisterRule(int reg) const { + assert(reg != Handler::kCFARegister); + RuleByNumber::const_iterator it = registers_.find(reg); + if (it != registers_.end()) + return it->second->Copy(); + else + return NULL; +} + +void CallFrameInfo::RuleMap::SetRegisterRule(int reg, Rule *rule) { + assert(reg != Handler::kCFARegister); + assert(rule); + Rule **slot = ®isters_[reg]; + delete *slot; + *slot = rule; +} + +bool CallFrameInfo::RuleMap::HandleTransitionTo( + Handler *handler, + uint64 address, + const RuleMap &new_rules) const { + // Transition from cfa_rule_ to new_rules.cfa_rule_. + if (cfa_rule_ && new_rules.cfa_rule_) { + if (*cfa_rule_ != *new_rules.cfa_rule_ && + !new_rules.cfa_rule_->Handle(handler, address, + Handler::kCFARegister)) + return false; + } else if (cfa_rule_) { + // this RuleMap has a CFA rule but new_rules doesn't. + // CallFrameInfo::Handler has no way to handle this --- and shouldn't; + // it's garbage input. The instruction interpreter should have + // detected this and warned, so take no action here. + } else if (new_rules.cfa_rule_) { + // This shouldn't be possible: NEW_RULES is some prior state, and + // there's no way to remove entries. + assert(0); + } else { + // Both CFA rules are empty. No action needed. + } + + // Traverse the two maps in order by register number, and report + // whatever differences we find. + RuleByNumber::const_iterator old_it = registers_.begin(); + RuleByNumber::const_iterator new_it = new_rules.registers_.begin(); + while (old_it != registers_.end() && new_it != new_rules.registers_.end()) { + if (old_it->first < new_it->first) { + // This RuleMap has an entry for old_it->first, but NEW_RULES + // doesn't. + // + // This isn't really the right thing to do, but since CFI generally + // only mentions callee-saves registers, and GCC's convention for + // callee-saves registers is that they are unchanged, it's a good + // approximation. + if (!handler->SameValueRule(address, old_it->first)) + return false; + old_it++; + } else if (old_it->first > new_it->first) { + // NEW_RULES has entry for new_it->first, but this RuleMap + // doesn't. This shouldn't be possible: NEW_RULES is some prior + // state, and there's no way to remove entries. + assert(0); + } else { + // Both maps have an entry for this register. Report the new + // rule if it is different. + if (*old_it->second != *new_it->second && + !new_it->second->Handle(handler, address, new_it->first)) + return false; + new_it++, old_it++; + } + } + // Finish off entries from this RuleMap with no counterparts in new_rules. + while (old_it != registers_.end()) { + if (!handler->SameValueRule(address, old_it->first)) + return false; + old_it++; + } + // Since we only make transitions from a rule set to some previously + // saved rule set, and we can only add rules to the map, NEW_RULES + // must have fewer rules than *this. + assert(new_it == new_rules.registers_.end()); + + return true; +} + +// Remove all register rules and clear cfa_rule_. +void CallFrameInfo::RuleMap::Clear() { + delete cfa_rule_; + cfa_rule_ = NULL; + for (RuleByNumber::iterator it = registers_.begin(); + it != registers_.end(); it++) + delete it->second; + registers_.clear(); +} + +// The state of the call frame information interpreter as it processes +// instructions from a CIE and FDE. +class CallFrameInfo::State { + public: + // Create a call frame information interpreter state with the given + // reporter, reader, handler, and initial call frame info address. + State(ByteReader *reader, Handler *handler, Reporter *reporter, + uint64 address) + : reader_(reader), handler_(handler), reporter_(reporter), + address_(address), entry_(NULL), cursor_(NULL) { } + + // Interpret instructions from CIE, save the resulting rule set for + // DW_CFA_restore instructions, and return true. On error, report + // the problem to reporter_ and return false. + bool InterpretCIE(const CIE &cie); + + // Interpret instructions from FDE, and return true. On error, + // report the problem to reporter_ and return false. + bool InterpretFDE(const FDE &fde); + + private: + // The operands of a CFI instruction, for ParseOperands. + struct Operands { + unsigned register_number; // A register number. + uint64 offset; // An offset or address. + long signed_offset; // A signed offset. + string expression; // A DWARF expression. + }; + + // Parse CFI instruction operands from STATE's instruction stream as + // described by FORMAT. On success, populate OPERANDS with the + // results, and return true. On failure, report the problem and + // return false. + // + // Each character of FORMAT should be one of the following: + // + // 'r' unsigned LEB128 register number (OPERANDS->register_number) + // 'o' unsigned LEB128 offset (OPERANDS->offset) + // 's' signed LEB128 offset (OPERANDS->signed_offset) + // 'a' machine-size address (OPERANDS->offset) + // (If the CIE has a 'z' augmentation string, 'a' uses the + // encoding specified by the 'R' argument.) + // '1' a one-byte offset (OPERANDS->offset) + // '2' a two-byte offset (OPERANDS->offset) + // '4' a four-byte offset (OPERANDS->offset) + // '8' an eight-byte offset (OPERANDS->offset) + // 'e' a DW_FORM_block holding a (OPERANDS->expression) + // DWARF expression + bool ParseOperands(const char *format, Operands *operands); + + // Interpret one CFI instruction from STATE's instruction stream, update + // STATE, report any rule changes to handler_, and return true. On + // failure, report the problem and return false. + bool DoInstruction(); + + // The following Do* member functions are subroutines of DoInstruction, + // factoring out the actual work of operations that have several + // different encodings. + + // Set the CFA rule to be the value of BASE_REGISTER plus OFFSET, and + // return true. On failure, report and return false. (Used for + // DW_CFA_def_cfa and DW_CFA_def_cfa_sf.) + bool DoDefCFA(unsigned base_register, long offset); + + // Change the offset of the CFA rule to OFFSET, and return true. On + // failure, report and return false. (Subroutine for + // DW_CFA_def_cfa_offset and DW_CFA_def_cfa_offset_sf.) + bool DoDefCFAOffset(long offset); + + // Specify that REG can be recovered using RULE, and return true. On + // failure, report and return false. + bool DoRule(unsigned reg, Rule *rule); + + // Specify that REG can be found at OFFSET from the CFA, and return true. + // On failure, report and return false. (Subroutine for DW_CFA_offset, + // DW_CFA_offset_extended, and DW_CFA_offset_extended_sf.) + bool DoOffset(unsigned reg, long offset); + + // Specify that the caller's value for REG is the CFA plus OFFSET, + // and return true. On failure, report and return false. (Subroutine + // for DW_CFA_val_offset and DW_CFA_val_offset_sf.) + bool DoValOffset(unsigned reg, long offset); + + // Restore REG to the rule established in the CIE, and return true. On + // failure, report and return false. (Subroutine for DW_CFA_restore and + // DW_CFA_restore_extended.) + bool DoRestore(unsigned reg); + + // Return the section offset of the instruction at cursor. For use + // in error messages. + uint64 CursorOffset() { return entry_->offset + (cursor_ - entry_->start); } + + // Report that entry_ is incomplete, and return false. For brevity. + bool ReportIncomplete() { + reporter_->Incomplete(entry_->offset, entry_->kind); + return false; + } + + // For reading multi-byte values with the appropriate endianness. + ByteReader *reader_; + + // The handler to which we should report the data we find. + Handler *handler_; + + // For reporting problems in the info we're parsing. + Reporter *reporter_; + + // The code address to which the next instruction in the stream applies. + uint64 address_; + + // The entry whose instructions we are currently processing. This is + // first a CIE, and then an FDE. + const Entry *entry_; + + // The next instruction to process. + const char *cursor_; + + // The current set of rules. + RuleMap rules_; + + // The set of rules established by the CIE, used by DW_CFA_restore + // and DW_CFA_restore_extended. We set this after interpreting the + // CIE's instructions. + RuleMap cie_rules_; + + // A stack of saved states, for DW_CFA_remember_state and + // DW_CFA_restore_state. + std::stack saved_rules_; +}; + +bool CallFrameInfo::State::InterpretCIE(const CIE &cie) { + entry_ = &cie; + cursor_ = entry_->instructions; + while (cursor_ < entry_->end) + if (!DoInstruction()) + return false; + // Note the rules established by the CIE, for use by DW_CFA_restore + // and DW_CFA_restore_extended. + cie_rules_ = rules_; + return true; +} + +bool CallFrameInfo::State::InterpretFDE(const FDE &fde) { + entry_ = &fde; + cursor_ = entry_->instructions; + while (cursor_ < entry_->end) + if (!DoInstruction()) + return false; + return true; +} + +bool CallFrameInfo::State::ParseOperands(const char *format, + Operands *operands) { + size_t len; + const char *operand; + + for (operand = format; *operand; operand++) { + size_t bytes_left = entry_->end - cursor_; + switch (*operand) { + case 'r': + operands->register_number = reader_->ReadUnsignedLEB128(cursor_, &len); + if (len > bytes_left) return ReportIncomplete(); + cursor_ += len; + break; + + case 'o': + operands->offset = reader_->ReadUnsignedLEB128(cursor_, &len); + if (len > bytes_left) return ReportIncomplete(); + cursor_ += len; + break; + + case 's': + operands->signed_offset = reader_->ReadSignedLEB128(cursor_, &len); + if (len > bytes_left) return ReportIncomplete(); + cursor_ += len; + break; + + case 'a': + operands->offset = + reader_->ReadEncodedPointer(cursor_, entry_->cie->pointer_encoding, + &len); + if (len > bytes_left) return ReportIncomplete(); + cursor_ += len; + break; + + case '1': + if (1 > bytes_left) return ReportIncomplete(); + operands->offset = static_cast(*cursor_++); + break; + + case '2': + if (2 > bytes_left) return ReportIncomplete(); + operands->offset = reader_->ReadTwoBytes(cursor_); + cursor_ += 2; + break; + + case '4': + if (4 > bytes_left) return ReportIncomplete(); + operands->offset = reader_->ReadFourBytes(cursor_); + cursor_ += 4; + break; + + case '8': + if (8 > bytes_left) return ReportIncomplete(); + operands->offset = reader_->ReadEightBytes(cursor_); + cursor_ += 8; + break; + + case 'e': { + size_t expression_length = reader_->ReadUnsignedLEB128(cursor_, &len); + if (len > bytes_left || expression_length > bytes_left - len) + return ReportIncomplete(); + cursor_ += len; + operands->expression = string(cursor_, expression_length); + cursor_ += expression_length; + break; + } + + default: + assert(0); + } + } + + return true; +} + +bool CallFrameInfo::State::DoInstruction() { + CIE *cie = entry_->cie; + Operands ops; + + // Our entry's kind should have been set by now. + assert(entry_->kind != kUnknown); + + // We shouldn't have been invoked unless there were more + // instructions to parse. + assert(cursor_ < entry_->end); + + unsigned opcode = *cursor_++; + if ((opcode & 0xc0) != 0) { + switch (opcode & 0xc0) { + // Advance the address. + case DW_CFA_advance_loc: { + size_t code_offset = opcode & 0x3f; + address_ += code_offset * cie->code_alignment_factor; + break; + } + + // Find a register at an offset from the CFA. + case DW_CFA_offset: + if (!ParseOperands("o", &ops) || + !DoOffset(opcode & 0x3f, ops.offset * cie->data_alignment_factor)) + return false; + break; + + // Restore the rule established for a register by the CIE. + case DW_CFA_restore: + if (!DoRestore(opcode & 0x3f)) return false; + break; + + // The 'if' above should have excluded this possibility. + default: + assert(0); + } + + // Return here, so the big switch below won't be indented. + return true; + } + + switch (opcode) { + // Set the address. + case DW_CFA_set_loc: + if (!ParseOperands("a", &ops)) return false; + address_ = ops.offset; + break; + + // Advance the address. + case DW_CFA_advance_loc1: + if (!ParseOperands("1", &ops)) return false; + address_ += ops.offset * cie->code_alignment_factor; + break; + + // Advance the address. + case DW_CFA_advance_loc2: + if (!ParseOperands("2", &ops)) return false; + address_ += ops.offset * cie->code_alignment_factor; + break; + + // Advance the address. + case DW_CFA_advance_loc4: + if (!ParseOperands("4", &ops)) return false; + address_ += ops.offset * cie->code_alignment_factor; + break; + + // Advance the address. + case DW_CFA_MIPS_advance_loc8: + if (!ParseOperands("8", &ops)) return false; + address_ += ops.offset * cie->code_alignment_factor; + break; + + // Compute the CFA by adding an offset to a register. + case DW_CFA_def_cfa: + if (!ParseOperands("ro", &ops) || + !DoDefCFA(ops.register_number, ops.offset)) + return false; + break; + + // Compute the CFA by adding an offset to a register. + case DW_CFA_def_cfa_sf: + if (!ParseOperands("rs", &ops) || + !DoDefCFA(ops.register_number, + ops.signed_offset * cie->data_alignment_factor)) + return false; + break; + + // Change the base register used to compute the CFA. + case DW_CFA_def_cfa_register: { + Rule *cfa_rule = rules_.CFARule(); + if (!cfa_rule) { + reporter_->NoCFARule(entry_->offset, entry_->kind, CursorOffset()); + return false; + } + if (!ParseOperands("r", &ops)) return false; + cfa_rule->SetBaseRegister(ops.register_number); + if (!cfa_rule->Handle(handler_, address_, + Handler::kCFARegister)) + return false; + break; + } + + // Change the offset used to compute the CFA. + case DW_CFA_def_cfa_offset: + if (!ParseOperands("o", &ops) || + !DoDefCFAOffset(ops.offset)) + return false; + break; + + // Change the offset used to compute the CFA. + case DW_CFA_def_cfa_offset_sf: + if (!ParseOperands("s", &ops) || + !DoDefCFAOffset(ops.signed_offset * cie->data_alignment_factor)) + return false; + break; + + // Specify an expression whose value is the CFA. + case DW_CFA_def_cfa_expression: { + if (!ParseOperands("e", &ops)) + return false; + Rule *rule = new ValExpressionRule(ops.expression); + rules_.SetCFARule(rule); + if (!rule->Handle(handler_, address_, + Handler::kCFARegister)) + return false; + break; + } + + // The register's value cannot be recovered. + case DW_CFA_undefined: { + if (!ParseOperands("r", &ops) || + !DoRule(ops.register_number, new UndefinedRule())) + return false; + break; + } + + // The register's value is unchanged from its value in the caller. + case DW_CFA_same_value: { + if (!ParseOperands("r", &ops) || + !DoRule(ops.register_number, new SameValueRule())) + return false; + break; + } + + // Find a register at an offset from the CFA. + case DW_CFA_offset_extended: + if (!ParseOperands("ro", &ops) || + !DoOffset(ops.register_number, + ops.offset * cie->data_alignment_factor)) + return false; + break; + + // The register is saved at an offset from the CFA. + case DW_CFA_offset_extended_sf: + if (!ParseOperands("rs", &ops) || + !DoOffset(ops.register_number, + ops.signed_offset * cie->data_alignment_factor)) + return false; + break; + + // The register is saved at an offset from the CFA. + case DW_CFA_GNU_negative_offset_extended: + if (!ParseOperands("ro", &ops) || + !DoOffset(ops.register_number, + -ops.offset * cie->data_alignment_factor)) + return false; + break; + + // The register's value is the sum of the CFA plus an offset. + case DW_CFA_val_offset: + if (!ParseOperands("ro", &ops) || + !DoValOffset(ops.register_number, + ops.offset * cie->data_alignment_factor)) + return false; + break; + + // The register's value is the sum of the CFA plus an offset. + case DW_CFA_val_offset_sf: + if (!ParseOperands("rs", &ops) || + !DoValOffset(ops.register_number, + ops.signed_offset * cie->data_alignment_factor)) + return false; + break; + + // The register has been saved in another register. + case DW_CFA_register: { + if (!ParseOperands("ro", &ops) || + !DoRule(ops.register_number, new RegisterRule(ops.offset))) + return false; + break; + } + + // An expression yields the address at which the register is saved. + case DW_CFA_expression: { + if (!ParseOperands("re", &ops) || + !DoRule(ops.register_number, new ExpressionRule(ops.expression))) + return false; + break; + } + + // An expression yields the caller's value for the register. + case DW_CFA_val_expression: { + if (!ParseOperands("re", &ops) || + !DoRule(ops.register_number, new ValExpressionRule(ops.expression))) + return false; + break; + } + + // Restore the rule established for a register by the CIE. + case DW_CFA_restore_extended: + if (!ParseOperands("r", &ops) || + !DoRestore( ops.register_number)) + return false; + break; + + // Save the current set of rules on a stack. + case DW_CFA_remember_state: + saved_rules_.push(rules_); + break; + + // Pop the current set of rules off the stack. + case DW_CFA_restore_state: { + if (saved_rules_.empty()) { + reporter_->EmptyStateStack(entry_->offset, entry_->kind, + CursorOffset()); + return false; + } + const RuleMap &new_rules = saved_rules_.top(); + if (rules_.CFARule() && !new_rules.CFARule()) { + reporter_->ClearingCFARule(entry_->offset, entry_->kind, + CursorOffset()); + return false; + } + rules_.HandleTransitionTo(handler_, address_, new_rules); + rules_ = new_rules; + saved_rules_.pop(); + break; + } + + // No operation. (Padding instruction.) + case DW_CFA_nop: + break; + + // A SPARC register window save: Registers 8 through 15 (%o0-%o7) + // are saved in registers 24 through 31 (%i0-%i7), and registers + // 16 through 31 (%l0-%l7 and %i0-%i7) are saved at CFA offsets + // (0-15 * the register size). The register numbers must be + // hard-coded. A GNU extension, and not a pretty one. + case DW_CFA_GNU_window_save: { + // Save %o0-%o7 in %i0-%i7. + for (int i = 8; i < 16; i++) + if (!DoRule(i, new RegisterRule(i + 16))) + return false; + // Save %l0-%l7 and %i0-%i7 at the CFA. + for (int i = 16; i < 32; i++) + // Assume that the byte reader's address size is the same as + // the architecture's register size. !@#%*^ hilarious. + if (!DoRule(i, new OffsetRule(Handler::kCFARegister, + (i - 16) * reader_->AddressSize()))) + return false; + break; + } + + // I'm not sure what this is. GDB doesn't use it for unwinding. + case DW_CFA_GNU_args_size: + if (!ParseOperands("o", &ops)) return false; + break; + + // An opcode we don't recognize. + default: { + reporter_->BadInstruction(entry_->offset, entry_->kind, CursorOffset()); + return false; + } + } + + return true; +} + +bool CallFrameInfo::State::DoDefCFA(unsigned base_register, long offset) { + Rule *rule = new ValOffsetRule(base_register, offset); + rules_.SetCFARule(rule); + return rule->Handle(handler_, address_, + Handler::kCFARegister); +} + +bool CallFrameInfo::State::DoDefCFAOffset(long offset) { + Rule *cfa_rule = rules_.CFARule(); + if (!cfa_rule) { + reporter_->NoCFARule(entry_->offset, entry_->kind, CursorOffset()); + return false; + } + cfa_rule->SetOffset(offset); + return cfa_rule->Handle(handler_, address_, + Handler::kCFARegister); +} + +bool CallFrameInfo::State::DoRule(unsigned reg, Rule *rule) { + rules_.SetRegisterRule(reg, rule); + return rule->Handle(handler_, address_, reg); +} + +bool CallFrameInfo::State::DoOffset(unsigned reg, long offset) { + if (!rules_.CFARule()) { + reporter_->NoCFARule(entry_->offset, entry_->kind, CursorOffset()); + return false; + } + return DoRule(reg, + new OffsetRule(Handler::kCFARegister, offset)); +} + +bool CallFrameInfo::State::DoValOffset(unsigned reg, long offset) { + if (!rules_.CFARule()) { + reporter_->NoCFARule(entry_->offset, entry_->kind, CursorOffset()); + return false; + } + return DoRule(reg, + new ValOffsetRule(Handler::kCFARegister, offset)); +} + +bool CallFrameInfo::State::DoRestore(unsigned reg) { + // DW_CFA_restore and DW_CFA_restore_extended don't make sense in a CIE. + if (entry_->kind == kCIE) { + reporter_->RestoreInCIE(entry_->offset, CursorOffset()); + return false; + } + Rule *rule = cie_rules_.RegisterRule(reg); + if (!rule) { + // This isn't really the right thing to do, but since CFI generally + // only mentions callee-saves registers, and GCC's convention for + // callee-saves registers is that they are unchanged, it's a good + // approximation. + rule = new SameValueRule(); + } + return DoRule(reg, rule); +} + +bool CallFrameInfo::ReadEntryPrologue(const char *cursor, Entry *entry) { + const char *buffer_end = buffer_ + buffer_length_; + + // Initialize enough of ENTRY for use in error reporting. + entry->offset = cursor - buffer_; + entry->start = cursor; + entry->kind = kUnknown; + entry->end = NULL; + + // Read the initial length. This sets reader_'s offset size. + size_t length_size; + uint64 length = reader_->ReadInitialLength(cursor, &length_size); + if (length_size > size_t(buffer_end - cursor)) + return ReportIncomplete(entry); + cursor += length_size; + + // In a .eh_frame section, a length of zero marks the end of the series + // of entries. + if (length == 0 && eh_frame_) { + entry->kind = kTerminator; + entry->end = cursor; + return true; + } + + // Validate the length. + if (length > size_t(buffer_end - cursor)) + return ReportIncomplete(entry); + + // The length is the number of bytes after the initial length field; + // we have that position handy at this point, so compute the end + // now. (If we're parsing 64-bit-offset DWARF on a 32-bit machine, + // and the length didn't fit in a size_t, we would have rejected it + // above.) + entry->end = cursor + length; + + // Parse the next field: either the offset of a CIE or a CIE id. + size_t offset_size = reader_->OffsetSize(); + if (offset_size > size_t(entry->end - cursor)) return ReportIncomplete(entry); + entry->id = reader_->ReadOffset(cursor); + + // Don't advance cursor past id field yet; in .eh_frame data we need + // the id's position to compute the section offset of an FDE's CIE. + + // Now we can decide what kind of entry this is. + if (eh_frame_) { + // In .eh_frame data, an ID of zero marks the entry as a CIE, and + // anything else is an offset from the id field of the FDE to the start + // of the CIE. + if (entry->id == 0) { + entry->kind = kCIE; + } else { + entry->kind = kFDE; + // Turn the offset from the id into an offset from the buffer's start. + entry->id = (cursor - buffer_) - entry->id; + } + } else { + // In DWARF CFI data, an ID of ~0 (of the appropriate width, given the + // offset size for the entry) marks the entry as a CIE, and anything + // else is the offset of the CIE from the beginning of the section. + if (offset_size == 4) + entry->kind = (entry->id == 0xffffffff) ? kCIE : kFDE; + else { + assert(offset_size == 8); + entry->kind = (entry->id == 0xffffffffffffffffULL) ? kCIE : kFDE; + } + } + + // Now advance cursor past the id. + cursor += offset_size; + + // The fields specific to this kind of entry start here. + entry->fields = cursor; + + entry->cie = NULL; + + return true; +} + +bool CallFrameInfo::ReadCIEFields(CIE *cie) { + const char *cursor = cie->fields; + size_t len; + + assert(cie->kind == kCIE); + + // Prepare for early exit. + cie->version = 0; + cie->augmentation.clear(); + cie->code_alignment_factor = 0; + cie->data_alignment_factor = 0; + cie->return_address_register = 0; + cie->has_z_augmentation = false; + cie->pointer_encoding = DW_EH_PE_absptr; + cie->instructions = 0; + + // Parse the version number. + if (cie->end - cursor < 1) + return ReportIncomplete(cie); + cie->version = reader_->ReadOneByte(cursor); + cursor++; + + // If we don't recognize the version, we can't parse any more fields of the + // CIE. For DWARF CFI, we handle versions 1 through 3 (there was never a + // version 2 of CFI data). For .eh_frame, we handle versions 1 and 3 as well; + // the difference between those versions seems to be the same as for + // .debug_frame. + if (cie->version < 1 || cie->version > 3) { + reporter_->UnrecognizedVersion(cie->offset, cie->version); + return false; + } + + const char *augmentation_start = cursor; + const void *augmentation_end = + memchr(augmentation_start, '\0', cie->end - augmentation_start); + if (! augmentation_end) return ReportIncomplete(cie); + cursor = static_cast(augmentation_end); + cie->augmentation = string(augmentation_start, + cursor - augmentation_start); + // Skip the terminating '\0'. + cursor++; + + // Is this CFI augmented? + if (!cie->augmentation.empty()) { + // Is it an augmentation we recognize? + if (cie->augmentation[0] == DW_Z_augmentation_start) { + // Linux C++ ABI 'z' augmentation, used for exception handling data. + cie->has_z_augmentation = true; + } else { + // Not an augmentation we recognize. Augmentations can have arbitrary + // effects on the form of rest of the content, so we have to give up. + reporter_->UnrecognizedAugmentation(cie->offset, cie->augmentation); + return false; + } + } + + // Parse the code alignment factor. + cie->code_alignment_factor = reader_->ReadUnsignedLEB128(cursor, &len); + if (size_t(cie->end - cursor) < len) return ReportIncomplete(cie); + cursor += len; + + // Parse the data alignment factor. + cie->data_alignment_factor = reader_->ReadSignedLEB128(cursor, &len); + if (size_t(cie->end - cursor) < len) return ReportIncomplete(cie); + cursor += len; + + // Parse the return address register. This is a ubyte in version 1, and + // a ULEB128 in version 3. + if (cie->version == 1) { + if (cursor >= cie->end) return ReportIncomplete(cie); + cie->return_address_register = uint8(*cursor++); + } else { + cie->return_address_register = reader_->ReadUnsignedLEB128(cursor, &len); + if (size_t(cie->end - cursor) < len) return ReportIncomplete(cie); + cursor += len; + } + + // If we have a 'z' augmentation string, find the augmentation data and + // use the augmentation string to parse it. + if (cie->has_z_augmentation) { + uint64_t data_size = reader_->ReadUnsignedLEB128(cursor, &len); + if (size_t(cie->end - cursor) < len + data_size) + return ReportIncomplete(cie); + cursor += len; + const char *data = cursor; + cursor += data_size; + const char *data_end = cursor; + + cie->has_z_lsda = false; + cie->has_z_personality = false; + cie->has_z_signal_frame = false; + + // Walk the augmentation string, and extract values from the + // augmentation data as the string directs. + for (size_t i = 1; i < cie->augmentation.size(); i++) { + switch (cie->augmentation[i]) { + case DW_Z_has_LSDA: + // The CIE's augmentation data holds the language-specific data + // area pointer's encoding, and the FDE's augmentation data holds + // the pointer itself. + cie->has_z_lsda = true; + // Fetch the LSDA encoding from the augmentation data. + if (data >= data_end) return ReportIncomplete(cie); + cie->lsda_encoding = DwarfPointerEncoding(*data++); + if (!reader_->ValidEncoding(cie->lsda_encoding)) { + reporter_->InvalidPointerEncoding(cie->offset, cie->lsda_encoding); + return false; + } + // Don't check if the encoding is usable here --- we haven't + // read the FDE's fields yet, so we're not prepared for + // DW_EH_PE_funcrel, although that's a fine encoding for the + // LSDA to use, since it appears in the FDE. + break; + + case DW_Z_has_personality_routine: + // The CIE's augmentation data holds the personality routine + // pointer's encoding, followed by the pointer itself. + cie->has_z_personality = true; + // Fetch the personality routine pointer's encoding from the + // augmentation data. + if (data >= data_end) return ReportIncomplete(cie); + cie->personality_encoding = DwarfPointerEncoding(*data++); + if (!reader_->ValidEncoding(cie->personality_encoding)) { + reporter_->InvalidPointerEncoding(cie->offset, + cie->personality_encoding); + return false; + } + if (!reader_->UsableEncoding(cie->personality_encoding)) { + reporter_->UnusablePointerEncoding(cie->offset, + cie->personality_encoding); + return false; + } + // Fetch the personality routine's pointer itself from the data. + cie->personality_address = + reader_->ReadEncodedPointer(data, cie->personality_encoding, + &len); + if (len > size_t(data_end - data)) + return ReportIncomplete(cie); + data += len; + break; + + case DW_Z_has_FDE_address_encoding: + // The CIE's augmentation data holds the pointer encoding to use + // for addresses in the FDE. + if (data >= data_end) return ReportIncomplete(cie); + cie->pointer_encoding = DwarfPointerEncoding(*data++); + if (!reader_->ValidEncoding(cie->pointer_encoding)) { + reporter_->InvalidPointerEncoding(cie->offset, + cie->pointer_encoding); + return false; + } + if (!reader_->UsableEncoding(cie->pointer_encoding)) { + reporter_->UnusablePointerEncoding(cie->offset, + cie->pointer_encoding); + return false; + } + break; + + case DW_Z_is_signal_trampoline: + // Frames using this CIE are signal delivery frames. + cie->has_z_signal_frame = true; + break; + + default: + // An augmentation we don't recognize. + reporter_->UnrecognizedAugmentation(cie->offset, cie->augmentation); + return false; + } + } + } + + // The CIE's instructions start here. + cie->instructions = cursor; + + return true; +} + +bool CallFrameInfo::ReadFDEFields(FDE *fde) { + const char *cursor = fde->fields; + size_t size; + + fde->address = reader_->ReadEncodedPointer(cursor, fde->cie->pointer_encoding, + &size); + if (size > size_t(fde->end - cursor)) + return ReportIncomplete(fde); + cursor += size; + reader_->SetFunctionBase(fde->address); + + // For the length, we strip off the upper nybble of the encoding used for + // the starting address. + DwarfPointerEncoding length_encoding = + DwarfPointerEncoding(fde->cie->pointer_encoding & 0x0f); + fde->size = reader_->ReadEncodedPointer(cursor, length_encoding, &size); + if (size > size_t(fde->end - cursor)) + return ReportIncomplete(fde); + cursor += size; + + // If the CIE has a 'z' augmentation string, then augmentation data + // appears here. + if (fde->cie->has_z_augmentation) { + uint64_t data_size = reader_->ReadUnsignedLEB128(cursor, &size); + if (size_t(fde->end - cursor) < size + data_size) + return ReportIncomplete(fde); + cursor += size; + + // In the abstract, we should walk the augmentation string, and extract + // items from the FDE's augmentation data as we encounter augmentation + // string characters that specify their presence: the ordering of items + // in the augmentation string determines the arrangement of values in + // the augmentation data. + // + // In practice, there's only ever one value in FDE augmentation data + // that we support --- the LSDA pointer --- and we have to bail if we + // see any unrecognized augmentation string characters. So if there is + // anything here at all, we know what it is, and where it starts. + if (fde->cie->has_z_lsda) { + // Check whether the LSDA's pointer encoding is usable now: only once + // we've parsed the FDE's starting address do we call reader_-> + // SetFunctionBase, so that the DW_EH_PE_funcrel encoding becomes + // usable. + if (!reader_->UsableEncoding(fde->cie->lsda_encoding)) { + reporter_->UnusablePointerEncoding(fde->cie->offset, + fde->cie->lsda_encoding); + return false; + } + + fde->lsda_address = + reader_->ReadEncodedPointer(cursor, fde->cie->lsda_encoding, &size); + if (size > data_size) + return ReportIncomplete(fde); + // Ideally, we would also complain here if there were unconsumed + // augmentation data. + } + + cursor += data_size; + } + + // The FDE's instructions start after those. + fde->instructions = cursor; + + return true; +} + +bool CallFrameInfo::Start() { + const char *buffer_end = buffer_ + buffer_length_; + const char *cursor; + bool all_ok = true; + const char *entry_end; + bool ok; + + // Traverse all the entries in buffer_, skipping CIEs and offering + // FDEs to the handler. + for (cursor = buffer_; cursor < buffer_end; + cursor = entry_end, all_ok = all_ok && ok) { + FDE fde; + + // Make it easy to skip this entry with 'continue': assume that + // things are not okay until we've checked all the data, and + // prepare the address of the next entry. + ok = false; + + // Read the entry's prologue. + if (!ReadEntryPrologue(cursor, &fde)) { + if (!fde.end) { + // If we couldn't even figure out this entry's extent, then we + // must stop processing entries altogether. + all_ok = false; + break; + } + entry_end = fde.end; + continue; + } + + // The next iteration picks up after this entry. + entry_end = fde.end; + + // Did we see an .eh_frame terminating mark? + if (fde.kind == kTerminator) { + // If there appears to be more data left in the section after the + // terminating mark, warn the user. But this is just a warning; + // we leave all_ok true. + if (fde.end < buffer_end) reporter_->EarlyEHTerminator(fde.offset); + break; + } + + // In this loop, we skip CIEs. We only parse them fully when we + // parse an FDE that refers to them. This limits our memory + // consumption (beyond the buffer itself) to that needed to + // process the largest single entry. + if (fde.kind != kFDE) { + ok = true; + continue; + } + + // Validate the CIE pointer. + if (fde.id > buffer_length_) { + reporter_->CIEPointerOutOfRange(fde.offset, fde.id); + continue; + } + + CIE cie; + + // Parse this FDE's CIE header. + if (!ReadEntryPrologue(buffer_ + fde.id, &cie)) + continue; + // This had better be an actual CIE. + if (cie.kind != kCIE) { + reporter_->BadCIEId(fde.offset, fde.id); + continue; + } + if (!ReadCIEFields(&cie)) + continue; + + // We now have the values that govern both the CIE and the FDE. + cie.cie = &cie; + fde.cie = &cie; + + // Parse the FDE's header. + if (!ReadFDEFields(&fde)) + continue; + + // Call Entry to ask the consumer if they're interested. + if (!handler_->Entry(fde.offset, fde.address, fde.size, + cie.version, cie.augmentation, + cie.return_address_register)) { + // The handler isn't interested in this entry. That's not an error. + ok = true; + continue; + } + + if (cie.has_z_augmentation) { + // Report the personality routine address, if we have one. + if (cie.has_z_personality) { + if (!handler_ + ->PersonalityRoutine(cie.personality_address, + IsIndirectEncoding(cie.personality_encoding))) + continue; + } + + // Report the language-specific data area address, if we have one. + if (cie.has_z_lsda) { + if (!handler_ + ->LanguageSpecificDataArea(fde.lsda_address, + IsIndirectEncoding(cie.lsda_encoding))) + continue; + } + + // If this is a signal-handling frame, report that. + if (cie.has_z_signal_frame) { + if (!handler_->SignalHandler()) + continue; + } + } + + // Interpret the CIE's instructions, and then the FDE's instructions. + State state(reader_, handler_, reporter_, fde.address); + ok = state.InterpretCIE(cie) && state.InterpretFDE(fde); + + // Tell the ByteReader that the function start address from the + // FDE header is no longer valid. + reader_->ClearFunctionBase(); + + // Report the end of the entry. + handler_->End(); + } + + return all_ok; +} + +const char *CallFrameInfo::KindName(EntryKind kind) { + if (kind == CallFrameInfo::kUnknown) + return "entry"; + else if (kind == CallFrameInfo::kCIE) + return "common information entry"; + else if (kind == CallFrameInfo::kFDE) + return "frame description entry"; + else { + assert (kind == CallFrameInfo::kTerminator); + return ".eh_frame sequence terminator"; + } +} + +bool CallFrameInfo::ReportIncomplete(Entry *entry) { + reporter_->Incomplete(entry->offset, entry->kind); + return false; +} + +void CallFrameInfo::Reporter::Incomplete(uint64 offset, + CallFrameInfo::EntryKind kind) { + fprintf(stderr, + "%s: CFI %s at offset 0x%llx in '%s': entry ends early\n", + filename_.c_str(), CallFrameInfo::KindName(kind), offset, + section_.c_str()); +} + +void CallFrameInfo::Reporter::EarlyEHTerminator(uint64 offset) { + fprintf(stderr, + "%s: CFI at offset 0x%llx in '%s': saw end-of-data marker" + " before end of section contents\n", + filename_.c_str(), offset, section_.c_str()); +} + +void CallFrameInfo::Reporter::CIEPointerOutOfRange(uint64 offset, + uint64 cie_offset) { + fprintf(stderr, + "%s: CFI frame description entry at offset 0x%llx in '%s':" + " CIE pointer is out of range: 0x%llx\n", + filename_.c_str(), offset, section_.c_str(), cie_offset); +} + +void CallFrameInfo::Reporter::BadCIEId(uint64 offset, uint64 cie_offset) { + fprintf(stderr, + "%s: CFI frame description entry at offset 0x%llx in '%s':" + " CIE pointer does not point to a CIE: 0x%llx\n", + filename_.c_str(), offset, section_.c_str(), cie_offset); +} + +void CallFrameInfo::Reporter::UnrecognizedVersion(uint64 offset, int version) { + fprintf(stderr, + "%s: CFI frame description entry at offset 0x%llx in '%s':" + " CIE specifies unrecognized version: %d\n", + filename_.c_str(), offset, section_.c_str(), version); +} + +void CallFrameInfo::Reporter::UnrecognizedAugmentation(uint64 offset, + const string &aug) { + fprintf(stderr, + "%s: CFI frame description entry at offset 0x%llx in '%s':" + " CIE specifies unrecognized augmentation: '%s'\n", + filename_.c_str(), offset, section_.c_str(), aug.c_str()); +} + +void CallFrameInfo::Reporter::InvalidPointerEncoding(uint64 offset, + uint8 encoding) { + fprintf(stderr, + "%s: CFI common information entry at offset 0x%llx in '%s':" + " 'z' augmentation specifies invalid pointer encoding: 0x%02x\n", + filename_.c_str(), offset, section_.c_str(), encoding); +} + +void CallFrameInfo::Reporter::UnusablePointerEncoding(uint64 offset, + uint8 encoding) { + fprintf(stderr, + "%s: CFI common information entry at offset 0x%llx in '%s':" + " 'z' augmentation specifies a pointer encoding for which" + " we have no base address: 0x%02x\n", + filename_.c_str(), offset, section_.c_str(), encoding); +} + +void CallFrameInfo::Reporter::RestoreInCIE(uint64 offset, uint64 insn_offset) { + fprintf(stderr, + "%s: CFI common information entry at offset 0x%llx in '%s':" + " the DW_CFA_restore instruction at offset 0x%llx" + " cannot be used in a common information entry\n", + filename_.c_str(), offset, section_.c_str(), insn_offset); +} + +void CallFrameInfo::Reporter::BadInstruction(uint64 offset, + CallFrameInfo::EntryKind kind, + uint64 insn_offset) { + fprintf(stderr, + "%s: CFI %s at offset 0x%llx in section '%s':" + " the instruction at offset 0x%llx is unrecognized\n", + filename_.c_str(), CallFrameInfo::KindName(kind), + offset, section_.c_str(), insn_offset); +} + +void CallFrameInfo::Reporter::NoCFARule(uint64 offset, + CallFrameInfo::EntryKind kind, + uint64 insn_offset) { + fprintf(stderr, + "%s: CFI %s at offset 0x%llx in section '%s':" + " the instruction at offset 0x%llx assumes that a CFA rule has" + " been set, but none has been set\n", + filename_.c_str(), CallFrameInfo::KindName(kind), offset, + section_.c_str(), insn_offset); +} + +void CallFrameInfo::Reporter::EmptyStateStack(uint64 offset, + CallFrameInfo::EntryKind kind, + uint64 insn_offset) { + fprintf(stderr, + "%s: CFI %s at offset 0x%llx in section '%s':" + " the DW_CFA_restore_state instruction at offset 0x%llx" + " should pop a saved state from the stack, but the stack is empty\n", + filename_.c_str(), CallFrameInfo::KindName(kind), offset, + section_.c_str(), insn_offset); +} + +void CallFrameInfo::Reporter::ClearingCFARule(uint64 offset, + CallFrameInfo::EntryKind kind, + uint64 insn_offset) { + fprintf(stderr, + "%s: CFI %s at offset 0x%llx in section '%s':" + " the DW_CFA_restore_state instruction at offset 0x%llx" + " would clear the CFA rule in effect\n", + filename_.c_str(), CallFrameInfo::KindName(kind), offset, + section_.c_str(), insn_offset); +} + +} // namespace dwarf2reader diff --git a/google-breakpad/src/common/dwarf/dwarf2reader.h b/google-breakpad/src/common/dwarf/dwarf2reader.h new file mode 100644 index 0000000..8824bf9 --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2reader.h @@ -0,0 +1,1050 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// CFI reader author: Jim Blandy + +// This file contains definitions related to the DWARF2/3 reader and +// it's handler interfaces. +// The DWARF2/3 specification can be found at +// http://dwarf.freestandards.org and should be considered required +// reading if you wish to modify the implementation. +// Only a cursory attempt is made to explain terminology that is +// used here, as it is much better explained in the standard documents +#ifndef COMMON_DWARF_DWARF2READER_H__ +#define COMMON_DWARF_DWARF2READER_H__ + +#include +#include +#include +#include +#include + +#include "common/dwarf/bytereader.h" +#include "common/dwarf/dwarf2enums.h" +#include "common/dwarf/types.h" +#include "common/using_std_string.h" + +namespace dwarf2reader { +struct LineStateMachine; +class Dwarf2Handler; +class LineInfoHandler; + +// This maps from a string naming a section to a pair containing a +// the data for the section, and the size of the section. +typedef std::map > SectionMap; +typedef std::list > + AttributeList; +typedef AttributeList::iterator AttributeIterator; +typedef AttributeList::const_iterator ConstAttributeIterator; + +struct LineInfoHeader { + uint64 total_length; + uint16 version; + uint64 prologue_length; + uint8 min_insn_length; // insn stands for instructin + bool default_is_stmt; // stmt stands for statement + int8 line_base; + uint8 line_range; + uint8 opcode_base; + // Use a pointer so that signalsafe_addr2line is able to use this structure + // without heap allocation problem. + std::vector *std_opcode_lengths; +}; + +class LineInfo { + public: + + // Initializes a .debug_line reader. Buffer and buffer length point + // to the beginning and length of the line information to read. + // Reader is a ByteReader class that has the endianness set + // properly. + LineInfo(const char* buffer_, uint64 buffer_length, + ByteReader* reader, LineInfoHandler* handler); + + virtual ~LineInfo() { + if (header_.std_opcode_lengths) { + delete header_.std_opcode_lengths; + } + } + + // Start processing line info, and calling callbacks in the handler. + // Consumes the line number information for a single compilation unit. + // Returns the number of bytes processed. + uint64 Start(); + + // Process a single line info opcode at START using the state + // machine at LSM. Return true if we should define a line using the + // current state of the line state machine. Place the length of the + // opcode in LEN. + // If LSM_PASSES_PC is non-NULL, this function also checks if the lsm + // passes the address of PC. In other words, LSM_PASSES_PC will be + // set to true, if the following condition is met. + // + // lsm's old address < PC <= lsm's new address + static bool ProcessOneOpcode(ByteReader* reader, + LineInfoHandler* handler, + const struct LineInfoHeader &header, + const char* start, + struct LineStateMachine* lsm, + size_t* len, + uintptr pc, + bool *lsm_passes_pc); + + private: + // Reads the DWARF2/3 header for this line info. + void ReadHeader(); + + // Reads the DWARF2/3 line information + void ReadLines(); + + // The associated handler to call processing functions in + LineInfoHandler* handler_; + + // The associated ByteReader that handles endianness issues for us + ByteReader* reader_; + + // A DWARF2/3 line info header. This is not the same size as + // in the actual file, as the one in the file may have a 32 bit or + // 64 bit lengths + + struct LineInfoHeader header_; + + // buffer is the buffer for our line info, starting at exactly where + // the line info to read is. after_header is the place right after + // the end of the line information header. + const char* buffer_; + uint64 buffer_length_; + const char* after_header_; +}; + +// This class is the main interface between the line info reader and +// the client. The virtual functions inside this get called for +// interesting events that happen during line info reading. The +// default implementation does nothing + +class LineInfoHandler { + public: + LineInfoHandler() { } + + virtual ~LineInfoHandler() { } + + // Called when we define a directory. NAME is the directory name, + // DIR_NUM is the directory number + virtual void DefineDir(const string& name, uint32 dir_num) { } + + // Called when we define a filename. NAME is the filename, FILE_NUM + // is the file number which is -1 if the file index is the next + // index after the last numbered index (this happens when files are + // dynamically defined by the line program), DIR_NUM is the + // directory index for the directory name of this file, MOD_TIME is + // the modification time of the file, and LENGTH is the length of + // the file + virtual void DefineFile(const string& name, int32 file_num, + uint32 dir_num, uint64 mod_time, + uint64 length) { } + + // Called when the line info reader has a new line, address pair + // ready for us. ADDRESS is the address of the code, LENGTH is the + // length of its machine code in bytes, FILE_NUM is the file number + // containing the code, LINE_NUM is the line number in that file for + // the code, and COLUMN_NUM is the column number the code starts at, + // if we know it (0 otherwise). + virtual void AddLine(uint64 address, uint64 length, + uint32 file_num, uint32 line_num, uint32 column_num) { } +}; + +// The base of DWARF2/3 debug info is a DIE (Debugging Information +// Entry. +// DWARF groups DIE's into a tree and calls the root of this tree a +// "compilation unit". Most of the time, there is one compilation +// unit in the .debug_info section for each file that had debug info +// generated. +// Each DIE consists of + +// 1. a tag specifying a thing that is being described (ie +// DW_TAG_subprogram for functions, DW_TAG_variable for variables, etc +// 2. attributes (such as DW_AT_location for location in memory, +// DW_AT_name for name), and data for each attribute. +// 3. A flag saying whether the DIE has children or not + +// In order to gain some amount of compression, the format of +// each DIE (tag name, attributes and data forms for the attributes) +// are stored in a separate table called the "abbreviation table". +// This is done because a large number of DIEs have the exact same tag +// and list of attributes, but different data for those attributes. +// As a result, the .debug_info section is just a stream of data, and +// requires reading of the .debug_abbrev section to say what the data +// means. + +// As a warning to the user, it should be noted that the reason for +// using absolute offsets from the beginning of .debug_info is that +// DWARF2/3 supports referencing DIE's from other DIE's by their offset +// from either the current compilation unit start, *or* the beginning +// of the .debug_info section. This means it is possible to reference +// a DIE in one compilation unit from a DIE in another compilation +// unit. This style of reference is usually used to eliminate +// duplicated information that occurs across compilation +// units, such as base types, etc. GCC 3.4+ support this with +// -feliminate-dwarf2-dups. Other toolchains will sometimes do +// duplicate elimination in the linker. + +class CompilationUnit { + public: + + // Initialize a compilation unit. This requires a map of sections, + // the offset of this compilation unit in the .debug_info section, a + // ByteReader, and a Dwarf2Handler class to call callbacks in. + CompilationUnit(const SectionMap& sections, uint64 offset, + ByteReader* reader, Dwarf2Handler* handler); + virtual ~CompilationUnit() { + if (abbrevs_) delete abbrevs_; + } + + // Begin reading a Dwarf2 compilation unit, and calling the + // callbacks in the Dwarf2Handler + + // Return the full length of the compilation unit, including + // headers. This plus the starting offset passed to the constructor + // is the offset of the end of the compilation unit --- and the + // start of the next compilation unit, if there is one. + uint64 Start(); + + private: + + // This struct represents a single DWARF2/3 abbreviation + // The abbreviation tells how to read a DWARF2/3 DIE, and consist of a + // tag and a list of attributes, as well as the data form of each attribute. + struct Abbrev { + uint64 number; + enum DwarfTag tag; + bool has_children; + AttributeList attributes; + }; + + // A DWARF2/3 compilation unit header. This is not the same size as + // in the actual file, as the one in the file may have a 32 bit or + // 64 bit length. + struct CompilationUnitHeader { + uint64 length; + uint16 version; + uint64 abbrev_offset; + uint8 address_size; + } header_; + + // Reads the DWARF2/3 header for this compilation unit. + void ReadHeader(); + + // Reads the DWARF2/3 abbreviations for this compilation unit + void ReadAbbrevs(); + + // Processes a single DIE for this compilation unit and return a new + // pointer just past the end of it + const char* ProcessDIE(uint64 dieoffset, + const char* start, + const Abbrev& abbrev); + + // Processes a single attribute and return a new pointer just past the + // end of it + const char* ProcessAttribute(uint64 dieoffset, + const char* start, + enum DwarfAttribute attr, + enum DwarfForm form); + + // Processes all DIEs for this compilation unit + void ProcessDIEs(); + + // Skips the die with attributes specified in ABBREV starting at + // START, and return the new place to position the stream to. + const char* SkipDIE(const char* start, + const Abbrev& abbrev); + + // Skips the attribute starting at START, with FORM, and return the + // new place to position the stream to. + const char* SkipAttribute(const char* start, + enum DwarfForm form); + + // Offset from section start is the offset of this compilation unit + // from the beginning of the .debug_info section. + uint64 offset_from_section_start_; + + // buffer is the buffer for our CU, starting at .debug_info + offset + // passed in from constructor. + // after_header points to right after the compilation unit header. + const char* buffer_; + uint64 buffer_length_; + const char* after_header_; + + // The associated ByteReader that handles endianness issues for us + ByteReader* reader_; + + // The map of sections in our file to buffers containing their data + const SectionMap& sections_; + + // The associated handler to call processing functions in + Dwarf2Handler* handler_; + + // Set of DWARF2/3 abbreviations for this compilation unit. Indexed + // by abbreviation number, which means that abbrevs_[0] is not + // valid. + std::vector* abbrevs_; + + // String section buffer and length, if we have a string section. + // This is here to avoid doing a section lookup for strings in + // ProcessAttribute, which is in the hot path for DWARF2 reading. + const char* string_buffer_; + uint64 string_buffer_length_; +}; + +// This class is the main interface between the reader and the +// client. The virtual functions inside this get called for +// interesting events that happen during DWARF2 reading. +// The default implementation skips everything. + +class Dwarf2Handler { + public: + Dwarf2Handler() { } + + virtual ~Dwarf2Handler() { } + + // Start to process a compilation unit at OFFSET from the beginning of the + // .debug_info section. Return false if you would like to skip this + // compilation unit. + virtual bool StartCompilationUnit(uint64 offset, uint8 address_size, + uint8 offset_size, uint64 cu_length, + uint8 dwarf_version) { return false; } + + // Start to process a DIE at OFFSET from the beginning of the .debug_info + // section. Return false if you would like to skip this DIE. + virtual bool StartDIE(uint64 offset, enum DwarfTag tag) { return false; } + + // Called when we have an attribute with unsigned data to give to our + // handler. The attribute is for the DIE at OFFSET from the beginning of the + // .debug_info section. Its name is ATTR, its form is FORM, and its value is + // DATA. + virtual void ProcessAttributeUnsigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { } + + // Called when we have an attribute with signed data to give to our handler. + // The attribute is for the DIE at OFFSET from the beginning of the + // .debug_info section. Its name is ATTR, its form is FORM, and its value is + // DATA. + virtual void ProcessAttributeSigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + int64 data) { } + + // Called when we have an attribute whose value is a reference to + // another DIE. The attribute belongs to the DIE at OFFSET from the + // beginning of the .debug_info section. Its name is ATTR, its form + // is FORM, and the offset of the DIE being referred to from the + // beginning of the .debug_info section is DATA. + virtual void ProcessAttributeReference(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { } + + // Called when we have an attribute with a buffer of data to give to our + // handler. The attribute is for the DIE at OFFSET from the beginning of the + // .debug_info section. Its name is ATTR, its form is FORM, DATA points to + // the buffer's contents, and its length in bytes is LENGTH. The buffer is + // owned by the caller, not the callee, and may not persist for very long. + // If you want the data to be available later, it needs to be copied. + virtual void ProcessAttributeBuffer(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const char* data, + uint64 len) { } + + // Called when we have an attribute with string data to give to our handler. + // The attribute is for the DIE at OFFSET from the beginning of the + // .debug_info section. Its name is ATTR, its form is FORM, and its value is + // DATA. + virtual void ProcessAttributeString(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const string& data) { } + + // Called when we have an attribute whose value is the 64-bit signature + // of a type unit in the .debug_types section. OFFSET is the offset of + // the DIE whose attribute we're reporting. ATTR and FORM are the + // attribute's name and form. SIGNATURE is the type unit's signature. + virtual void ProcessAttributeSignature(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 signature) { } + + // Called when finished processing the DIE at OFFSET. + // Because DWARF2/3 specifies a tree of DIEs, you may get starts + // before ends of the previous DIE, as we process children before + // ending the parent. + virtual void EndDIE(uint64 offset) { } + +}; + +// This class is a reader for DWARF's Call Frame Information. CFI +// describes how to unwind stack frames --- even for functions that do +// not follow fixed conventions for saving registers, whose frame size +// varies as they execute, etc. +// +// CFI describes, at each machine instruction, how to compute the +// stack frame's base address, how to find the return address, and +// where to find the saved values of the caller's registers (if the +// callee has stashed them somewhere to free up the registers for its +// own use). +// +// For example, suppose we have a function whose machine code looks +// like this (imagine an assembly language that looks like C, for a +// machine with 32-bit registers, and a stack that grows towards lower +// addresses): +// +// func: ; entry point; return address at sp +// func+0: sp = sp - 16 ; allocate space for stack frame +// func+1: sp[12] = r0 ; save r0 at sp+12 +// ... ; other code, not frame-related +// func+10: sp -= 4; *sp = x ; push some x on the stack +// ... ; other code, not frame-related +// func+20: r0 = sp[16] ; restore saved r0 +// func+21: sp += 20 ; pop whole stack frame +// func+22: pc = *sp; sp += 4 ; pop return address and jump to it +// +// DWARF CFI is (a very compressed representation of) a table with a +// row for each machine instruction address and a column for each +// register showing how to restore it, if possible. +// +// A special column named "CFA", for "Canonical Frame Address", tells how +// to compute the base address of the frame; registers' entries may +// refer to the CFA in describing where the registers are saved. +// +// Another special column, named "RA", represents the return address. +// +// For example, here is a complete (uncompressed) table describing the +// function above: +// +// insn cfa r0 r1 ... ra +// ======================================= +// func+0: sp cfa[0] +// func+1: sp+16 cfa[0] +// func+2: sp+16 cfa[-4] cfa[0] +// func+11: sp+20 cfa[-4] cfa[0] +// func+21: sp+20 cfa[0] +// func+22: sp cfa[0] +// +// Some things to note here: +// +// - Each row describes the state of affairs *before* executing the +// instruction at the given address. Thus, the row for func+0 +// describes the state before we allocate the stack frame. In the +// next row, the formula for computing the CFA has changed, +// reflecting that allocation. +// +// - The other entries are written in terms of the CFA; this allows +// them to remain unchanged as the stack pointer gets bumped around. +// For example, the rule for recovering the return address (the "ra" +// column) remains unchanged throughout the function, even as the +// stack pointer takes on three different offsets from the return +// address. +// +// - Although we haven't shown it, most calling conventions designate +// "callee-saves" and "caller-saves" registers. The callee must +// preserve the values of callee-saves registers; if it uses them, +// it must save their original values somewhere, and restore them +// before it returns. In contrast, the callee is free to trash +// caller-saves registers; if the callee uses these, it will +// probably not bother to save them anywhere, and the CFI will +// probably mark their values as "unrecoverable". +// +// (However, since the caller cannot assume the callee was going to +// save them, caller-saves registers are probably dead in the caller +// anyway, so compilers usually don't generate CFA for caller-saves +// registers.) +// +// - Exactly where the CFA points is a matter of convention that +// depends on the architecture and ABI in use. In the example, the +// CFA is the value the stack pointer had upon entry to the +// function, pointing at the saved return address. But on the x86, +// the call frame information generated by GCC follows the +// convention that the CFA is the address *after* the saved return +// address. +// +// But by definition, the CFA remains constant throughout the +// lifetime of the frame. This makes it a useful value for other +// columns to refer to. It is also gives debuggers a useful handle +// for identifying a frame. +// +// If you look at the table above, you'll notice that a given entry is +// often the same as the one immediately above it: most instructions +// change only one or two aspects of the stack frame, if they affect +// it at all. The DWARF format takes advantage of this fact, and +// reduces the size of the data by mentioning only the addresses and +// columns at which changes take place. So for the above, DWARF CFI +// data would only actually mention the following: +// +// insn cfa r0 r1 ... ra +// ======================================= +// func+0: sp cfa[0] +// func+1: sp+16 +// func+2: cfa[-4] +// func+11: sp+20 +// func+21: r0 +// func+22: sp +// +// In fact, this is the way the parser reports CFI to the consumer: as +// a series of statements of the form, "At address X, column Y changed +// to Z," and related conventions for describing the initial state. +// +// Naturally, it would be impractical to have to scan the entire +// program's CFI, noting changes as we go, just to recover the +// unwinding rules in effect at one particular instruction. To avoid +// this, CFI data is grouped into "entries", each of which covers a +// specified range of addresses and begins with a complete statement +// of the rules for all recoverable registers at that starting +// address. Each entry typically covers a single function. +// +// Thus, to compute the contents of a given row of the table --- that +// is, rules for recovering the CFA, RA, and registers at a given +// instruction --- the consumer should find the entry that covers that +// instruction's address, start with the initial state supplied at the +// beginning of the entry, and work forward until it has processed all +// the changes up to and including those for the present instruction. +// +// There are seven kinds of rules that can appear in an entry of the +// table: +// +// - "undefined": The given register is not preserved by the callee; +// its value cannot be recovered. +// +// - "same value": This register has the same value it did in the callee. +// +// - offset(N): The register is saved at offset N from the CFA. +// +// - val_offset(N): The value the register had in the caller is the +// CFA plus offset N. (This is usually only useful for describing +// the stack pointer.) +// +// - register(R): The register's value was saved in another register R. +// +// - expression(E): Evaluating the DWARF expression E using the +// current frame's registers' values yields the address at which the +// register was saved. +// +// - val_expression(E): Evaluating the DWARF expression E using the +// current frame's registers' values yields the value the register +// had in the caller. + +class CallFrameInfo { + public: + // The different kinds of entries one finds in CFI. Used internally, + // and for error reporting. + enum EntryKind { kUnknown, kCIE, kFDE, kTerminator }; + + // The handler class to which the parser hands the parsed call frame + // information. Defined below. + class Handler; + + // A reporter class, which CallFrameInfo uses to report errors + // encountered while parsing call frame information. Defined below. + class Reporter; + + // Create a DWARF CFI parser. BUFFER points to the contents of the + // .debug_frame section to parse; BUFFER_LENGTH is its length in bytes. + // REPORTER is an error reporter the parser should use to report + // problems. READER is a ByteReader instance that has the endianness and + // address size set properly. Report the data we find to HANDLER. + // + // This class can also parse Linux C++ exception handling data, as found + // in '.eh_frame' sections. This data is a variant of DWARF CFI that is + // placed in loadable segments so that it is present in the program's + // address space, and is interpreted by the C++ runtime to search the + // call stack for a handler interested in the exception being thrown, + // actually pop the frames, and find cleanup code to run. + // + // There are two differences between the call frame information described + // in the DWARF standard and the exception handling data Linux places in + // the .eh_frame section: + // + // - Exception handling data uses uses a different format for call frame + // information entry headers. The distinguished CIE id, the way FDEs + // refer to their CIEs, and the way the end of the series of entries is + // determined are all slightly different. + // + // If the constructor's EH_FRAME argument is true, then the + // CallFrameInfo parses the entry headers as Linux C++ exception + // handling data. If EH_FRAME is false or omitted, the CallFrameInfo + // parses standard DWARF call frame information. + // + // - Linux C++ exception handling data uses CIE augmentation strings + // beginning with 'z' to specify the presence of additional data after + // the CIE and FDE headers and special encodings used for addresses in + // frame description entries. + // + // CallFrameInfo can handle 'z' augmentations in either DWARF CFI or + // exception handling data if you have supplied READER with the base + // addresses needed to interpret the pointer encodings that 'z' + // augmentations can specify. See the ByteReader interface for details + // about the base addresses. See the CallFrameInfo::Handler interface + // for details about the additional information one might find in + // 'z'-augmented data. + // + // Thus: + // + // - If you are parsing standard DWARF CFI, as found in a .debug_frame + // section, you should pass false for the EH_FRAME argument, or omit + // it, and you need not worry about providing READER with the + // additional base addresses. + // + // - If you want to parse Linux C++ exception handling data from a + // .eh_frame section, you should pass EH_FRAME as true, and call + // READER's Set*Base member functions before calling our Start method. + // + // - If you want to parse DWARF CFI that uses the 'z' augmentations + // (although I don't think any toolchain ever emits such data), you + // could pass false for EH_FRAME, but call READER's Set*Base members. + // + // The extensions the Linux C++ ABI makes to DWARF for exception + // handling are described here, rather poorly: + // http://refspecs.linux-foundation.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/dwarfext.html + // http://refspecs.linux-foundation.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html + // + // The mechanics of C++ exception handling, personality routines, + // and language-specific data areas are described here, rather nicely: + // http://www.codesourcery.com/public/cxx-abi/abi-eh.html + CallFrameInfo(const char *buffer, size_t buffer_length, + ByteReader *reader, Handler *handler, Reporter *reporter, + bool eh_frame = false) + : buffer_(buffer), buffer_length_(buffer_length), + reader_(reader), handler_(handler), reporter_(reporter), + eh_frame_(eh_frame) { } + + ~CallFrameInfo() { } + + // Parse the entries in BUFFER, reporting what we find to HANDLER. + // Return true if we reach the end of the section successfully, or + // false if we encounter an error. + bool Start(); + + // Return the textual name of KIND. For error reporting. + static const char *KindName(EntryKind kind); + + private: + + struct CIE; + + // A CFI entry, either an FDE or a CIE. + struct Entry { + // The starting offset of the entry in the section, for error + // reporting. + size_t offset; + + // The start of this entry in the buffer. + const char *start; + + // Which kind of entry this is. + // + // We want to be able to use this for error reporting even while we're + // in the midst of parsing. Error reporting code may assume that kind, + // offset, and start fields are valid, although kind may be kUnknown. + EntryKind kind; + + // The end of this entry's common prologue (initial length and id), and + // the start of this entry's kind-specific fields. + const char *fields; + + // The start of this entry's instructions. + const char *instructions; + + // The address past the entry's last byte in the buffer. (Note that + // since offset points to the entry's initial length field, and the + // length field is the number of bytes after that field, this is not + // simply buffer_ + offset + length.) + const char *end; + + // For both DWARF CFI and .eh_frame sections, this is the CIE id in a + // CIE, and the offset of the associated CIE in an FDE. + uint64 id; + + // The CIE that applies to this entry, if we've parsed it. If this is a + // CIE, then this field points to this structure. + CIE *cie; + }; + + // A common information entry (CIE). + struct CIE: public Entry { + uint8 version; // CFI data version number + string augmentation; // vendor format extension markers + uint64 code_alignment_factor; // scale for code address adjustments + int data_alignment_factor; // scale for stack pointer adjustments + unsigned return_address_register; // which register holds the return addr + + // True if this CIE includes Linux C++ ABI 'z' augmentation data. + bool has_z_augmentation; + + // Parsed 'z' augmentation data. These are meaningful only if + // has_z_augmentation is true. + bool has_z_lsda; // The 'z' augmentation included 'L'. + bool has_z_personality; // The 'z' augmentation included 'P'. + bool has_z_signal_frame; // The 'z' augmentation included 'S'. + + // If has_z_lsda is true, this is the encoding to be used for language- + // specific data area pointers in FDEs. + DwarfPointerEncoding lsda_encoding; + + // If has_z_personality is true, this is the encoding used for the + // personality routine pointer in the augmentation data. + DwarfPointerEncoding personality_encoding; + + // If has_z_personality is true, this is the address of the personality + // routine --- or, if personality_encoding & DW_EH_PE_indirect, the + // address where the personality routine's address is stored. + uint64 personality_address; + + // This is the encoding used for addresses in the FDE header and + // in DW_CFA_set_loc instructions. This is always valid, whether + // or not we saw a 'z' augmentation string; its default value is + // DW_EH_PE_absptr, which is what normal DWARF CFI uses. + DwarfPointerEncoding pointer_encoding; + }; + + // A frame description entry (FDE). + struct FDE: public Entry { + uint64 address; // start address of described code + uint64 size; // size of described code, in bytes + + // If cie->has_z_lsda is true, then this is the language-specific data + // area's address --- or its address's address, if cie->lsda_encoding + // has the DW_EH_PE_indirect bit set. + uint64 lsda_address; + }; + + // Internal use. + class Rule; + class UndefinedRule; + class SameValueRule; + class OffsetRule; + class ValOffsetRule; + class RegisterRule; + class ExpressionRule; + class ValExpressionRule; + class RuleMap; + class State; + + // Parse the initial length and id of a CFI entry, either a CIE, an FDE, + // or a .eh_frame end-of-data mark. CURSOR points to the beginning of the + // data to parse. On success, populate ENTRY as appropriate, and return + // true. On failure, report the problem, and return false. Even if we + // return false, set ENTRY->end to the first byte after the entry if we + // were able to figure that out, or NULL if we weren't. + bool ReadEntryPrologue(const char *cursor, Entry *entry); + + // Parse the fields of a CIE after the entry prologue, including any 'z' + // augmentation data. Assume that the 'Entry' fields of CIE are + // populated; use CIE->fields and CIE->end as the start and limit for + // parsing. On success, populate the rest of *CIE, and return true; on + // failure, report the problem and return false. + bool ReadCIEFields(CIE *cie); + + // Parse the fields of an FDE after the entry prologue, including any 'z' + // augmentation data. Assume that the 'Entry' fields of *FDE are + // initialized; use FDE->fields and FDE->end as the start and limit for + // parsing. Assume that FDE->cie is fully initialized. On success, + // populate the rest of *FDE, and return true; on failure, report the + // problem and return false. + bool ReadFDEFields(FDE *fde); + + // Report that ENTRY is incomplete, and return false. This is just a + // trivial wrapper for invoking reporter_->Incomplete; it provides a + // little brevity. + bool ReportIncomplete(Entry *entry); + + // Return true if ENCODING has the DW_EH_PE_indirect bit set. + static bool IsIndirectEncoding(DwarfPointerEncoding encoding) { + return encoding & DW_EH_PE_indirect; + } + + // The contents of the DWARF .debug_info section we're parsing. + const char *buffer_; + size_t buffer_length_; + + // For reading multi-byte values with the appropriate endianness. + ByteReader *reader_; + + // The handler to which we should report the data we find. + Handler *handler_; + + // For reporting problems in the info we're parsing. + Reporter *reporter_; + + // True if we are processing .eh_frame-format data. + bool eh_frame_; +}; + +// The handler class for CallFrameInfo. The a CFI parser calls the +// member functions of a handler object to report the data it finds. +class CallFrameInfo::Handler { + public: + // The pseudo-register number for the canonical frame address. + enum { kCFARegister = -1 }; + + Handler() { } + virtual ~Handler() { } + + // The parser has found CFI for the machine code at ADDRESS, + // extending for LENGTH bytes. OFFSET is the offset of the frame + // description entry in the section, for use in error messages. + // VERSION is the version number of the CFI format. AUGMENTATION is + // a string describing any producer-specific extensions present in + // the data. RETURN_ADDRESS is the number of the register that holds + // the address to which the function should return. + // + // Entry should return true to process this CFI, or false to skip to + // the next entry. + // + // The parser invokes Entry for each Frame Description Entry (FDE) + // it finds. The parser doesn't report Common Information Entries + // to the handler explicitly; instead, if the handler elects to + // process a given FDE, the parser reiterates the appropriate CIE's + // contents at the beginning of the FDE's rules. + virtual bool Entry(size_t offset, uint64 address, uint64 length, + uint8 version, const string &augmentation, + unsigned return_address) = 0; + + // When the Entry function returns true, the parser calls these + // handler functions repeatedly to describe the rules for recovering + // registers at each instruction in the given range of machine code. + // Immediately after a call to Entry, the handler should assume that + // the rule for each callee-saves register is "unchanged" --- that + // is, that the register still has the value it had in the caller. + // + // If a *Rule function returns true, we continue processing this entry's + // instructions. If a *Rule function returns false, we stop evaluating + // instructions, and skip to the next entry. Either way, we call End + // before going on to the next entry. + // + // In all of these functions, if the REG parameter is kCFARegister, then + // the rule describes how to find the canonical frame address. + // kCFARegister may be passed as a BASE_REGISTER argument, meaning that + // the canonical frame address should be used as the base address for the + // computation. All other REG values will be positive. + + // At ADDRESS, register REG's value is not recoverable. + virtual bool UndefinedRule(uint64 address, int reg) = 0; + + // At ADDRESS, register REG's value is the same as that it had in + // the caller. + virtual bool SameValueRule(uint64 address, int reg) = 0; + + // At ADDRESS, register REG has been saved at offset OFFSET from + // BASE_REGISTER. + virtual bool OffsetRule(uint64 address, int reg, + int base_register, long offset) = 0; + + // At ADDRESS, the caller's value of register REG is the current + // value of BASE_REGISTER plus OFFSET. (This rule doesn't provide an + // address at which the register's value is saved.) + virtual bool ValOffsetRule(uint64 address, int reg, + int base_register, long offset) = 0; + + // At ADDRESS, register REG has been saved in BASE_REGISTER. This differs + // from ValOffsetRule(ADDRESS, REG, BASE_REGISTER, 0), in that + // BASE_REGISTER is the "home" for REG's saved value: if you want to + // assign to a variable whose home is REG in the calling frame, you + // should put the value in BASE_REGISTER. + virtual bool RegisterRule(uint64 address, int reg, int base_register) = 0; + + // At ADDRESS, the DWARF expression EXPRESSION yields the address at + // which REG was saved. + virtual bool ExpressionRule(uint64 address, int reg, + const string &expression) = 0; + + // At ADDRESS, the DWARF expression EXPRESSION yields the caller's + // value for REG. (This rule doesn't provide an address at which the + // register's value is saved.) + virtual bool ValExpressionRule(uint64 address, int reg, + const string &expression) = 0; + + // Indicate that the rules for the address range reported by the + // last call to Entry are complete. End should return true if + // everything is okay, or false if an error has occurred and parsing + // should stop. + virtual bool End() = 0; + + // Handler functions for Linux C++ exception handling data. These are + // only called if the data includes 'z' augmentation strings. + + // The Linux C++ ABI uses an extension of the DWARF CFI format to + // walk the stack to propagate exceptions from the throw to the + // appropriate catch, and do the appropriate cleanups along the way. + // CFI entries used for exception handling have two additional data + // associated with them: + // + // - The "language-specific data area" describes which exception + // types the function has 'catch' clauses for, and indicates how + // to go about re-entering the function at the appropriate catch + // clause. If the exception is not caught, it describes the + // destructors that must run before the frame is popped. + // + // - The "personality routine" is responsible for interpreting the + // language-specific data area's contents, and deciding whether + // the exception should continue to propagate down the stack, + // perhaps after doing some cleanup for this frame, or whether the + // exception will be caught here. + // + // In principle, the language-specific data area is opaque to + // everybody but the personality routine. In practice, these values + // may be useful or interesting to readers with extra context, and + // we have to at least skip them anyway, so we might as well report + // them to the handler. + + // This entry's exception handling personality routine's address is + // ADDRESS. If INDIRECT is true, then ADDRESS is the address at + // which the routine's address is stored. The default definition for + // this handler function simply returns true, allowing parsing of + // the entry to continue. + virtual bool PersonalityRoutine(uint64 address, bool indirect) { + return true; + } + + // This entry's language-specific data area (LSDA) is located at + // ADDRESS. If INDIRECT is true, then ADDRESS is the address at + // which the area's address is stored. The default definition for + // this handler function simply returns true, allowing parsing of + // the entry to continue. + virtual bool LanguageSpecificDataArea(uint64 address, bool indirect) { + return true; + } + + // This entry describes a signal trampoline --- this frame is the + // caller of a signal handler. The default definition for this + // handler function simply returns true, allowing parsing of the + // entry to continue. + // + // The best description of the rationale for and meaning of signal + // trampoline CFI entries seems to be in the GCC bug database: + // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26208 + virtual bool SignalHandler() { return true; } +}; + +// The CallFrameInfo class makes calls on an instance of this class to +// report errors or warn about problems in the data it is parsing. The +// default definitions of these methods print a message to stderr, but +// you can make a derived class that overrides them. +class CallFrameInfo::Reporter { + public: + // Create an error reporter which attributes troubles to the section + // named SECTION in FILENAME. + // + // Normally SECTION would be .debug_frame, but the Mac puts CFI data + // in a Mach-O section named __debug_frame. If we support + // Linux-style exception handling data, we could be reading an + // .eh_frame section. + Reporter(const string &filename, + const string §ion = ".debug_frame") + : filename_(filename), section_(section) { } + virtual ~Reporter() { } + + // The CFI entry at OFFSET ends too early to be well-formed. KIND + // indicates what kind of entry it is; KIND can be kUnknown if we + // haven't parsed enough of the entry to tell yet. + virtual void Incomplete(uint64 offset, CallFrameInfo::EntryKind kind); + + // The .eh_frame data has a four-byte zero at OFFSET where the next + // entry's length would be; this is a terminator. However, the buffer + // length as given to the CallFrameInfo constructor says there should be + // more data. + virtual void EarlyEHTerminator(uint64 offset); + + // The FDE at OFFSET refers to the CIE at CIE_OFFSET, but the + // section is not that large. + virtual void CIEPointerOutOfRange(uint64 offset, uint64 cie_offset); + + // The FDE at OFFSET refers to the CIE at CIE_OFFSET, but the entry + // there is not a CIE. + virtual void BadCIEId(uint64 offset, uint64 cie_offset); + + // The FDE at OFFSET refers to a CIE with version number VERSION, + // which we don't recognize. We cannot parse DWARF CFI if it uses + // a version number we don't recognize. + virtual void UnrecognizedVersion(uint64 offset, int version); + + // The FDE at OFFSET refers to a CIE with augmentation AUGMENTATION, + // which we don't recognize. We cannot parse DWARF CFI if it uses + // augmentations we don't recognize. + virtual void UnrecognizedAugmentation(uint64 offset, + const string &augmentation); + + // The pointer encoding ENCODING, specified by the CIE at OFFSET, is not + // a valid encoding. + virtual void InvalidPointerEncoding(uint64 offset, uint8 encoding); + + // The pointer encoding ENCODING, specified by the CIE at OFFSET, depends + // on a base address which has not been supplied. + virtual void UnusablePointerEncoding(uint64 offset, uint8 encoding); + + // The CIE at OFFSET contains a DW_CFA_restore instruction at + // INSN_OFFSET, which may not appear in a CIE. + virtual void RestoreInCIE(uint64 offset, uint64 insn_offset); + + // The entry at OFFSET, of kind KIND, has an unrecognized + // instruction at INSN_OFFSET. + virtual void BadInstruction(uint64 offset, CallFrameInfo::EntryKind kind, + uint64 insn_offset); + + // The instruction at INSN_OFFSET in the entry at OFFSET, of kind + // KIND, establishes a rule that cites the CFA, but we have not + // established a CFA rule yet. + virtual void NoCFARule(uint64 offset, CallFrameInfo::EntryKind kind, + uint64 insn_offset); + + // The instruction at INSN_OFFSET in the entry at OFFSET, of kind + // KIND, is a DW_CFA_restore_state instruction, but the stack of + // saved states is empty. + virtual void EmptyStateStack(uint64 offset, CallFrameInfo::EntryKind kind, + uint64 insn_offset); + + // The DW_CFA_remember_state instruction at INSN_OFFSET in the entry + // at OFFSET, of kind KIND, would restore a state that has no CFA + // rule, whereas the current state does have a CFA rule. This is + // bogus input, which the CallFrameInfo::Handler interface doesn't + // (and shouldn't) have any way to report. + virtual void ClearingCFARule(uint64 offset, CallFrameInfo::EntryKind kind, + uint64 insn_offset); + + protected: + // The name of the file whose CFI we're reading. + string filename_; + + // The name of the CFI section in that file. + string section_; +}; + +} // namespace dwarf2reader + +#endif // UTIL_DEBUGINFO_DWARF2READER_H__ diff --git a/google-breakpad/src/common/dwarf/dwarf2reader_cfi_unittest.cc b/google-breakpad/src/common/dwarf/dwarf2reader_cfi_unittest.cc new file mode 100644 index 0000000..66c6198 --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2reader_cfi_unittest.cc @@ -0,0 +1,2452 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf2reader_cfi_unittest.cc: Unit tests for dwarf2reader::CallFrameInfo + +#include + +#include +#include + +// The '.eh_frame' format, used by the Linux C++ ABI for exception +// handling, is poorly specified. To help test our support for .eh_frame, +// if you #define WRITE_ELF while compiling this file, and add the +// 'include' directory from the binutils, gcc, or gdb source tree to the +// #include path, then each test that calls the +// PERHAPS_WRITE_DEBUG_FRAME_FILE or PERHAPS_WRITE_EH_FRAME_FILE will write +// an ELF file containing a .debug_frame or .eh_frame section; you can then +// use tools like readelf to examine the test data, and check the tools' +// interpretation against the test's intentions. Each ELF file is named +// "cfitest-TEST", where TEST identifies the particular test. +#ifdef WRITE_ELF +#include +#include +#include +extern "C" { +// To compile with WRITE_ELF, you should add the 'include' directory +// of the binutils, gcc, or gdb source tree to your #include path; +// that directory contains this header. +#include "elf/common.h" +} +#endif + +#include "breakpad_googletest_includes.h" +#include "common/dwarf/bytereader-inl.h" +#include "common/dwarf/cfi_assembler.h" +#include "common/dwarf/dwarf2reader.h" +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +using google_breakpad::CFISection; +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; +using google_breakpad::test_assembler::Section; + +using dwarf2reader::DwarfPointerEncoding; +using dwarf2reader::ENDIANNESS_BIG; +using dwarf2reader::ENDIANNESS_LITTLE; +using dwarf2reader::ByteReader; +using dwarf2reader::CallFrameInfo; + +using std::vector; +using testing::InSequence; +using testing::Return; +using testing::Sequence; +using testing::Test; +using testing::_; + +#ifdef WRITE_ELF +void WriteELFFrameSection(const char *filename, const char *section_name, + const CFISection §ion); +#define PERHAPS_WRITE_DEBUG_FRAME_FILE(name, section) \ + WriteELFFrameSection("cfitest-" name, ".debug_frame", section); +#define PERHAPS_WRITE_EH_FRAME_FILE(name, section) \ + WriteELFFrameSection("cfitest-" name, ".eh_frame", section); +#else +#define PERHAPS_WRITE_DEBUG_FRAME_FILE(name, section) +#define PERHAPS_WRITE_EH_FRAME_FILE(name, section) +#endif + +class MockCallFrameInfoHandler: public CallFrameInfo::Handler { + public: + MOCK_METHOD6(Entry, bool(size_t offset, uint64 address, uint64 length, + uint8 version, const string &augmentation, + unsigned return_address)); + MOCK_METHOD2(UndefinedRule, bool(uint64 address, int reg)); + MOCK_METHOD2(SameValueRule, bool(uint64 address, int reg)); + MOCK_METHOD4(OffsetRule, bool(uint64 address, int reg, int base_register, + long offset)); + MOCK_METHOD4(ValOffsetRule, bool(uint64 address, int reg, int base_register, + long offset)); + MOCK_METHOD3(RegisterRule, bool(uint64 address, int reg, int base_register)); + MOCK_METHOD3(ExpressionRule, bool(uint64 address, int reg, + const string &expression)); + MOCK_METHOD3(ValExpressionRule, bool(uint64 address, int reg, + const string &expression)); + MOCK_METHOD0(End, bool()); + MOCK_METHOD2(PersonalityRoutine, bool(uint64 address, bool indirect)); + MOCK_METHOD2(LanguageSpecificDataArea, bool(uint64 address, bool indirect)); + MOCK_METHOD0(SignalHandler, bool()); +}; + +class MockCallFrameErrorReporter: public CallFrameInfo::Reporter { + public: + MockCallFrameErrorReporter() : Reporter("mock filename", "mock section") { } + MOCK_METHOD2(Incomplete, void(uint64, CallFrameInfo::EntryKind)); + MOCK_METHOD1(EarlyEHTerminator, void(uint64)); + MOCK_METHOD2(CIEPointerOutOfRange, void(uint64, uint64)); + MOCK_METHOD2(BadCIEId, void(uint64, uint64)); + MOCK_METHOD2(UnrecognizedVersion, void(uint64, int version)); + MOCK_METHOD2(UnrecognizedAugmentation, void(uint64, const string &)); + MOCK_METHOD2(InvalidPointerEncoding, void(uint64, uint8)); + MOCK_METHOD2(UnusablePointerEncoding, void(uint64, uint8)); + MOCK_METHOD2(RestoreInCIE, void(uint64, uint64)); + MOCK_METHOD3(BadInstruction, void(uint64, CallFrameInfo::EntryKind, uint64)); + MOCK_METHOD3(NoCFARule, void(uint64, CallFrameInfo::EntryKind, uint64)); + MOCK_METHOD3(EmptyStateStack, void(uint64, CallFrameInfo::EntryKind, uint64)); +}; + +struct CFIFixture { + + enum { kCFARegister = CallFrameInfo::Handler::kCFARegister }; + + CFIFixture() { + // Default expectations for the data handler. + // + // - Leave Entry and End without expectations, as it's probably a + // good idea to set those explicitly in each test. + // + // - Expect the *Rule functions to not be called, + // so that each test can simply list the calls they expect. + // + // I gather I could use StrictMock for this, but the manual seems + // to suggest using that only as a last resort, and this isn't so + // bad. + EXPECT_CALL(handler, UndefinedRule(_, _)).Times(0); + EXPECT_CALL(handler, SameValueRule(_, _)).Times(0); + EXPECT_CALL(handler, OffsetRule(_, _, _, _)).Times(0); + EXPECT_CALL(handler, ValOffsetRule(_, _, _, _)).Times(0); + EXPECT_CALL(handler, RegisterRule(_, _, _)).Times(0); + EXPECT_CALL(handler, ExpressionRule(_, _, _)).Times(0); + EXPECT_CALL(handler, ValExpressionRule(_, _, _)).Times(0); + EXPECT_CALL(handler, PersonalityRoutine(_, _)).Times(0); + EXPECT_CALL(handler, LanguageSpecificDataArea(_, _)).Times(0); + EXPECT_CALL(handler, SignalHandler()).Times(0); + + // Default expectations for the error/warning reporer. + EXPECT_CALL(reporter, Incomplete(_, _)).Times(0); + EXPECT_CALL(reporter, EarlyEHTerminator(_)).Times(0); + EXPECT_CALL(reporter, CIEPointerOutOfRange(_, _)).Times(0); + EXPECT_CALL(reporter, BadCIEId(_, _)).Times(0); + EXPECT_CALL(reporter, UnrecognizedVersion(_, _)).Times(0); + EXPECT_CALL(reporter, UnrecognizedAugmentation(_, _)).Times(0); + EXPECT_CALL(reporter, InvalidPointerEncoding(_, _)).Times(0); + EXPECT_CALL(reporter, UnusablePointerEncoding(_, _)).Times(0); + EXPECT_CALL(reporter, RestoreInCIE(_, _)).Times(0); + EXPECT_CALL(reporter, BadInstruction(_, _, _)).Times(0); + EXPECT_CALL(reporter, NoCFARule(_, _, _)).Times(0); + EXPECT_CALL(reporter, EmptyStateStack(_, _, _)).Times(0); + } + + MockCallFrameInfoHandler handler; + MockCallFrameErrorReporter reporter; +}; + +class CFI: public CFIFixture, public Test { }; + +TEST_F(CFI, EmptyRegion) { + EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0); + EXPECT_CALL(handler, End()).Times(0); + static const char data[1] = { 42 }; + + ByteReader byte_reader(ENDIANNESS_BIG); + CallFrameInfo parser(data, 0, &byte_reader, &handler, &reporter); + EXPECT_TRUE(parser.Start()); +} + +TEST_F(CFI, IncompleteLength32) { + CFISection section(kBigEndian, 8); + section + // Not even long enough for an initial length. + .D16(0xa0f) + // Padding to keep valgrind happy. We subtract these off when we + // construct the parser. + .D16(0); + + EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0); + EXPECT_CALL(handler, End()).Times(0); + + EXPECT_CALL(reporter, Incomplete(_, CallFrameInfo::kUnknown)) + .WillOnce(Return()); + + string contents; + ASSERT_TRUE(section.GetContents(&contents)); + + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(8); + CallFrameInfo parser(contents.data(), contents.size() - 2, + &byte_reader, &handler, &reporter); + EXPECT_FALSE(parser.Start()); +} + +TEST_F(CFI, IncompleteLength64) { + CFISection section(kLittleEndian, 4); + section + // An incomplete 64-bit DWARF initial length. + .D32(0xffffffff).D32(0x71fbaec2) + // Padding to keep valgrind happy. We subtract these off when we + // construct the parser. + .D32(0); + + EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0); + EXPECT_CALL(handler, End()).Times(0); + + EXPECT_CALL(reporter, Incomplete(_, CallFrameInfo::kUnknown)) + .WillOnce(Return()); + + string contents; + ASSERT_TRUE(section.GetContents(&contents)); + + ByteReader byte_reader(ENDIANNESS_LITTLE); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size() - 4, + &byte_reader, &handler, &reporter); + EXPECT_FALSE(parser.Start()); +} + +TEST_F(CFI, IncompleteId32) { + CFISection section(kBigEndian, 8); + section + .D32(3) // Initial length, not long enough for id + .D8(0xd7).D8(0xe5).D8(0xf1) // incomplete id + .CIEHeader(8727, 3983, 8889, 3, "") + .FinishEntry(); + + EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0); + EXPECT_CALL(handler, End()).Times(0); + + EXPECT_CALL(reporter, Incomplete(_, CallFrameInfo::kUnknown)) + .WillOnce(Return()); + + string contents; + ASSERT_TRUE(section.GetContents(&contents)); + + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(8); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_FALSE(parser.Start()); +} + +TEST_F(CFI, BadId32) { + CFISection section(kBigEndian, 8); + section + .D32(0x100) // Initial length + .D32(0xe802fade) // bogus ID + .Append(0x100 - 4, 0x42); // make the length true + section + .CIEHeader(1672, 9872, 8529, 3, "") + .FinishEntry(); + + EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0); + EXPECT_CALL(handler, End()).Times(0); + + EXPECT_CALL(reporter, CIEPointerOutOfRange(_, 0xe802fade)) + .WillOnce(Return()); + + string contents; + ASSERT_TRUE(section.GetContents(&contents)); + + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(8); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_FALSE(parser.Start()); +} + +// A lone CIE shouldn't cause any handler calls. +TEST_F(CFI, SingleCIE) { + CFISection section(kLittleEndian, 4); + section.CIEHeader(0xffe799a8, 0x3398dcdd, 0x6e9683de, 3, ""); + section.Append(10, dwarf2reader::DW_CFA_nop); + section.FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("SingleCIE", section); + + EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0); + EXPECT_CALL(handler, End()).Times(0); + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_LITTLE); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_TRUE(parser.Start()); +} + +// One FDE, one CIE. +TEST_F(CFI, OneFDE) { + CFISection section(kBigEndian, 4); + Label cie; + section + .Mark(&cie) + .CIEHeader(0x4be22f75, 0x2492236e, 0x6b6efb87, 3, "") + .FinishEntry() + .FDEHeader(cie, 0x7714740d, 0x3d5a10cd) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("OneFDE", section); + + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, 0x7714740d, 0x3d5a10cd, 3, "", 0x6b6efb87)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_TRUE(parser.Start()); +} + +// Two FDEs share a CIE. +TEST_F(CFI, TwoFDEsOneCIE) { + CFISection section(kBigEndian, 4); + Label cie; + section + // First FDE. readelf complains about this one because it makes + // a forward reference to its CIE. + .FDEHeader(cie, 0xa42744df, 0xa3b42121) + .FinishEntry() + // CIE. + .Mark(&cie) + .CIEHeader(0x04f7dc7b, 0x3d00c05f, 0xbd43cb59, 3, "") + .FinishEntry() + // Second FDE. + .FDEHeader(cie, 0x6057d391, 0x700f608d) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("TwoFDEsOneCIE", section); + + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, 0xa42744df, 0xa3b42121, 3, "", 0xbd43cb59)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, 0x6057d391, 0x700f608d, 3, "", 0xbd43cb59)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_TRUE(parser.Start()); +} + +// Two FDEs, two CIEs. +TEST_F(CFI, TwoFDEsTwoCIEs) { + CFISection section(kLittleEndian, 8); + Label cie1, cie2; + section + // First CIE. + .Mark(&cie1) + .CIEHeader(0x694d5d45, 0x4233221b, 0xbf45e65a, 3, "") + .FinishEntry() + // First FDE which cites second CIE. readelf complains about + // this one because it makes a forward reference to its CIE. + .FDEHeader(cie2, 0x778b27dfe5871f05ULL, 0x324ace3448070926ULL) + .FinishEntry() + // Second FDE, which cites first CIE. + .FDEHeader(cie1, 0xf6054ca18b10bf5fULL, 0x45fdb970d8bca342ULL) + .FinishEntry() + // Second CIE. + .Mark(&cie2) + .CIEHeader(0xfba3fad7, 0x6287e1fd, 0x61d2c581, 2, "") + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("TwoFDEsTwoCIEs", section); + + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, 0x778b27dfe5871f05ULL, 0x324ace3448070926ULL, 2, + "", 0x61d2c581)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, 0xf6054ca18b10bf5fULL, 0x45fdb970d8bca342ULL, 3, + "", 0xbf45e65a)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_LITTLE); + byte_reader.SetAddressSize(8); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_TRUE(parser.Start()); +} + +// An FDE whose CIE specifies a version we don't recognize. +TEST_F(CFI, BadVersion) { + CFISection section(kBigEndian, 4); + Label cie1, cie2; + section + .Mark(&cie1) + .CIEHeader(0xca878cf0, 0x7698ec04, 0x7b616f54, 0x52, "") + .FinishEntry() + // We should skip this entry, as its CIE specifies a version we + // don't recognize. + .FDEHeader(cie1, 0x08852292, 0x2204004a) + .FinishEntry() + // Despite the above, we should visit this entry. + .Mark(&cie2) + .CIEHeader(0x7c3ae7c9, 0xb9b9a512, 0x96cb3264, 3, "") + .FinishEntry() + .FDEHeader(cie2, 0x2094735a, 0x6e875501) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("BadVersion", section); + + EXPECT_CALL(reporter, UnrecognizedVersion(_, 0x52)) + .WillOnce(Return()); + + { + InSequence s; + // We should see no mention of the first FDE, but we should get + // a call to Entry for the second. + EXPECT_CALL(handler, Entry(_, 0x2094735a, 0x6e875501, 3, "", + 0x96cb3264)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .WillOnce(Return(true)); + } + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_FALSE(parser.Start()); +} + +// An FDE whose CIE specifies an augmentation we don't recognize. +TEST_F(CFI, BadAugmentation) { + CFISection section(kBigEndian, 4); + Label cie1, cie2; + section + .Mark(&cie1) + .CIEHeader(0x4be22f75, 0x2492236e, 0x6b6efb87, 3, "spaniels!") + .FinishEntry() + // We should skip this entry, as its CIE specifies an + // augmentation we don't recognize. + .FDEHeader(cie1, 0x7714740d, 0x3d5a10cd) + .FinishEntry() + // Despite the above, we should visit this entry. + .Mark(&cie2) + .CIEHeader(0xf8bc4399, 0x8cf09931, 0xf2f519b2, 3, "") + .FinishEntry() + .FDEHeader(cie2, 0x7bf0fda0, 0xcbcd28d8) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("BadAugmentation", section); + + EXPECT_CALL(reporter, UnrecognizedAugmentation(_, "spaniels!")) + .WillOnce(Return()); + + { + InSequence s; + // We should see no mention of the first FDE, but we should get + // a call to Entry for the second. + EXPECT_CALL(handler, Entry(_, 0x7bf0fda0, 0xcbcd28d8, 3, "", + 0xf2f519b2)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .WillOnce(Return(true)); + } + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_FALSE(parser.Start()); +} + +// The return address column field is a byte in CFI version 1 +// (DWARF2), but a ULEB128 value in version 3 (DWARF3). +TEST_F(CFI, CIEVersion1ReturnColumn) { + CFISection section(kBigEndian, 4); + Label cie; + section + // CIE, using the version 1 format: return column is a ubyte. + .Mark(&cie) + // Use a value for the return column that is parsed differently + // as a ubyte and as a ULEB128. + .CIEHeader(0xbcdea24f, 0x5be28286, 0x9f, 1, "") + .FinishEntry() + // FDE, citing that CIE. + .FDEHeader(cie, 0xb8d347b5, 0x825e55dc) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("CIEVersion1ReturnColumn", section); + + { + InSequence s; + EXPECT_CALL(handler, Entry(_, 0xb8d347b5, 0x825e55dc, 1, "", 0x9f)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_TRUE(parser.Start()); +} + +// The return address column field is a byte in CFI version 1 +// (DWARF2), but a ULEB128 value in version 3 (DWARF3). +TEST_F(CFI, CIEVersion3ReturnColumn) { + CFISection section(kBigEndian, 4); + Label cie; + section + // CIE, using the version 3 format: return column is a ULEB128. + .Mark(&cie) + // Use a value for the return column that is parsed differently + // as a ubyte and as a ULEB128. + .CIEHeader(0x0ab4758d, 0xc010fdf7, 0x89, 3, "") + .FinishEntry() + // FDE, citing that CIE. + .FDEHeader(cie, 0x86763f2b, 0x2a66dc23) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("CIEVersion3ReturnColumn", section); + + { + InSequence s; + EXPECT_CALL(handler, Entry(_, 0x86763f2b, 0x2a66dc23, 3, "", 0x89)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + string contents; + EXPECT_TRUE(section.GetContents(&contents)); + ByteReader byte_reader(ENDIANNESS_BIG); + byte_reader.SetAddressSize(4); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + EXPECT_TRUE(parser.Start()); +} + +struct CFIInsnFixture: public CFIFixture { + CFIInsnFixture() : CFIFixture() { + data_factor = 0xb6f; + return_register = 0x9be1ed9f; + version = 3; + cfa_base_register = 0x383a3aa; + cfa_offset = 0xf748; + } + + // Prepare SECTION to receive FDE instructions. + // + // - Append a stock CIE header that establishes the fixture's + // code_factor, data_factor, return_register, version, and + // augmentation values. + // - Have the CIE set up a CFA rule using cfa_base_register and + // cfa_offset. + // - Append a stock FDE header, referring to the above CIE, for the + // fde_size bytes at fde_start. Choose fde_start and fde_size + // appropriately for the section's address size. + // - Set appropriate expectations on handler in sequence s for the + // frame description entry and the CIE's CFA rule. + // + // On return, SECTION is ready to have FDE instructions appended to + // it, and its FinishEntry member called. + void StockCIEAndFDE(CFISection *section) { + // Choose appropriate constants for our address size. + if (section->AddressSize() == 4) { + fde_start = 0xc628ecfbU; + fde_size = 0x5dee04a2; + code_factor = 0x60b; + } else { + assert(section->AddressSize() == 8); + fde_start = 0x0005c57ce7806bd3ULL; + fde_size = 0x2699521b5e333100ULL; + code_factor = 0x01008e32855274a8ULL; + } + + // Create the CIE. + (*section) + .Mark(&cie_label) + .CIEHeader(code_factor, data_factor, return_register, version, + "") + .D8(dwarf2reader::DW_CFA_def_cfa) + .ULEB128(cfa_base_register) + .ULEB128(cfa_offset) + .FinishEntry(); + + // Create the FDE. + section->FDEHeader(cie_label, fde_start, fde_size); + + // Expect an Entry call for the FDE and a ValOffsetRule call for the + // CIE's CFA rule. + EXPECT_CALL(handler, Entry(_, fde_start, fde_size, version, "", + return_register)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(fde_start, kCFARegister, + cfa_base_register, cfa_offset)) + .InSequence(s) + .WillOnce(Return(true)); + } + + // Run the contents of SECTION through a CallFrameInfo parser, + // expecting parser.Start to return SUCCEEDS + void ParseSection(CFISection *section, bool succeeds = true) { + string contents; + EXPECT_TRUE(section->GetContents(&contents)); + dwarf2reader::Endianness endianness; + if (section->endianness() == kBigEndian) + endianness = ENDIANNESS_BIG; + else { + assert(section->endianness() == kLittleEndian); + endianness = ENDIANNESS_LITTLE; + } + ByteReader byte_reader(endianness); + byte_reader.SetAddressSize(section->AddressSize()); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter); + if (succeeds) + EXPECT_TRUE(parser.Start()); + else + EXPECT_FALSE(parser.Start()); + } + + Label cie_label; + Sequence s; + uint64 code_factor; + int data_factor; + unsigned return_register; + unsigned version; + unsigned cfa_base_register; + int cfa_offset; + uint64 fde_start, fde_size; +}; + +class CFIInsn: public CFIInsnFixture, public Test { }; + +TEST_F(CFIInsn, DW_CFA_set_loc) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_set_loc).D32(0xb1ee3e7a) + // Use DW_CFA_def_cfa to force a handler call that we can use to + // check the effect of the DW_CFA_set_loc. + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x4defb431).ULEB128(0x6d17b0ee) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_set_loc", section); + + EXPECT_CALL(handler, + ValOffsetRule(0xb1ee3e7a, kCFARegister, 0x4defb431, 0x6d17b0ee)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_advance_loc) { + CFISection section(kBigEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_advance_loc | 0x2a) + // Use DW_CFA_def_cfa to force a handler call that we can use to + // check the effect of the DW_CFA_advance_loc. + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x5bbb3715).ULEB128(0x0186c7bf) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc", section); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start + 0x2a * code_factor, + kCFARegister, 0x5bbb3715, 0x0186c7bf)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_advance_loc1) { + CFISection section(kLittleEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_advance_loc1).D8(0xd8) + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x69d5696a).ULEB128(0x1eb7fc93) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc1", section); + + EXPECT_CALL(handler, + ValOffsetRule((fde_start + 0xd8 * code_factor), + kCFARegister, 0x69d5696a, 0x1eb7fc93)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_advance_loc2) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_advance_loc2).D16(0x3adb) + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x3a368bed).ULEB128(0x3194ee37) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc2", section); + + EXPECT_CALL(handler, + ValOffsetRule((fde_start + 0x3adb * code_factor), + kCFARegister, 0x3a368bed, 0x3194ee37)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_advance_loc4) { + CFISection section(kBigEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_advance_loc4).D32(0x15813c88) + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x135270c5).ULEB128(0x24bad7cb) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc4", section); + + EXPECT_CALL(handler, + ValOffsetRule((fde_start + 0x15813c88ULL * code_factor), + kCFARegister, 0x135270c5, 0x24bad7cb)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_MIPS_advance_loc8) { + code_factor = 0x2d; + CFISection section(kBigEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_MIPS_advance_loc8).D64(0x3c4f3945b92c14ULL) + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0xe17ed602).ULEB128(0x3d162e7f) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc8", section); + + EXPECT_CALL(handler, + ValOffsetRule((fde_start + 0x3c4f3945b92c14ULL * code_factor), + kCFARegister, 0xe17ed602, 0x3d162e7f)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_def_cfa) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x4e363a85).ULEB128(0x815f9aa7) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_def_cfa", section); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x4e363a85, 0x815f9aa7)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_def_cfa_sf) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa_sf).ULEB128(0x8ccb32b7).LEB128(0x9ea) + .D8(dwarf2reader::DW_CFA_def_cfa_sf).ULEB128(0x9b40f5da).LEB128(-0x40a2) + .FinishEntry(); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x8ccb32b7, + 0x9ea * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x9b40f5da, + -0x40a2 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_def_cfa_register) { + CFISection section(kLittleEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa_register).ULEB128(0x3e7e9363) + .FinishEntry(); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x3e7e9363, cfa_offset)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +// DW_CFA_def_cfa_register should have no effect when applied to a +// non-base/offset rule. +TEST_F(CFIInsn, DW_CFA_def_cfa_registerBadRule) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa_expression).Block("needle in a haystack") + .D8(dwarf2reader::DW_CFA_def_cfa_register).ULEB128(0xf1b49e49) + .FinishEntry(); + + EXPECT_CALL(handler, + ValExpressionRule(fde_start, kCFARegister, + "needle in a haystack")) + .WillRepeatedly(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_def_cfa_offset) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa_offset).ULEB128(0x1e8e3b9b) + .FinishEntry(); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, cfa_base_register, + 0x1e8e3b9b)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_def_cfa_offset_sf) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa_offset_sf).LEB128(0x970) + .D8(dwarf2reader::DW_CFA_def_cfa_offset_sf).LEB128(-0x2cd) + .FinishEntry(); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, cfa_base_register, + 0x970 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, cfa_base_register, + -0x2cd * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +// DW_CFA_def_cfa_offset should have no effect when applied to a +// non-base/offset rule. +TEST_F(CFIInsn, DW_CFA_def_cfa_offsetBadRule) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa_expression).Block("six ways to Sunday") + .D8(dwarf2reader::DW_CFA_def_cfa_offset).ULEB128(0x1e8e3b9b) + .FinishEntry(); + + EXPECT_CALL(handler, + ValExpressionRule(fde_start, kCFARegister, "six ways to Sunday")) + .WillRepeatedly(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_def_cfa_expression) { + CFISection section(kLittleEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_def_cfa_expression).Block("eating crow") + .FinishEntry(); + + EXPECT_CALL(handler, ValExpressionRule(fde_start, kCFARegister, + "eating crow")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_undefined) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0x300ce45d) + .FinishEntry(); + + EXPECT_CALL(handler, UndefinedRule(fde_start, 0x300ce45d)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_same_value) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_same_value).ULEB128(0x3865a760) + .FinishEntry(); + + EXPECT_CALL(handler, SameValueRule(fde_start, 0x3865a760)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_offset) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_offset | 0x2c).ULEB128(0x9f6) + .FinishEntry(); + + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x2c, kCFARegister, 0x9f6 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_offset_extended) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_offset_extended).ULEB128(0x402b).ULEB128(0xb48) + .FinishEntry(); + + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x402b, kCFARegister, 0xb48 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_offset_extended_sf) { + CFISection section(kBigEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_offset_extended_sf) + .ULEB128(0x997c23ee).LEB128(0x2d00) + .D8(dwarf2reader::DW_CFA_offset_extended_sf) + .ULEB128(0x9519eb82).LEB128(-0xa77) + .FinishEntry(); + + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x997c23ee, + kCFARegister, 0x2d00 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x9519eb82, + kCFARegister, -0xa77 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_val_offset) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_offset).ULEB128(0x623562fe).ULEB128(0x673) + .FinishEntry(); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, 0x623562fe, + kCFARegister, 0x673 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_val_offset_sf) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_offset_sf).ULEB128(0x6f4f).LEB128(0xaab) + .D8(dwarf2reader::DW_CFA_val_offset_sf).ULEB128(0x2483).LEB128(-0x8a2) + .FinishEntry(); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, 0x6f4f, + kCFARegister, 0xaab * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, + ValOffsetRule(fde_start, 0x2483, + kCFARegister, -0x8a2 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_register) { + CFISection section(kLittleEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_register).ULEB128(0x278d18f9).ULEB128(0x1a684414) + .FinishEntry(); + + EXPECT_CALL(handler, RegisterRule(fde_start, 0x278d18f9, 0x1a684414)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_expression) { + CFISection section(kBigEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_expression).ULEB128(0xa1619fb2) + .Block("plus ça change, plus c'est la même chose") + .FinishEntry(); + + EXPECT_CALL(handler, + ExpressionRule(fde_start, 0xa1619fb2, + "plus ça change, plus c'est la même chose")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_val_expression) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_expression).ULEB128(0xc5e4a9e3) + .Block("he who has the gold makes the rules") + .FinishEntry(); + + EXPECT_CALL(handler, + ValExpressionRule(fde_start, 0xc5e4a9e3, + "he who has the gold makes the rules")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_restore) { + CFISection section(kLittleEndian, 8); + code_factor = 0x01bd188a9b1fa083ULL; + data_factor = -0x1ac8; + return_register = 0x8c35b049; + version = 2; + fde_start = 0x2d70fe998298bbb1ULL; + fde_size = 0x46ccc2e63cf0b108ULL; + Label cie; + section + .Mark(&cie) + .CIEHeader(code_factor, data_factor, return_register, version, + "") + // Provide a CFA rule, because register rules require them. + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x6ca1d50e).ULEB128(0x372e38e8) + // Provide an offset(N) rule for register 0x3c. + .D8(dwarf2reader::DW_CFA_offset | 0x3c).ULEB128(0xb348) + .FinishEntry() + // In the FDE... + .FDEHeader(cie, fde_start, fde_size) + // At a second address, provide a new offset(N) rule for register 0x3c. + .D8(dwarf2reader::DW_CFA_advance_loc | 0x13) + .D8(dwarf2reader::DW_CFA_offset | 0x3c).ULEB128(0x9a50) + // At a third address, restore the original rule for register 0x3c. + .D8(dwarf2reader::DW_CFA_advance_loc | 0x01) + .D8(dwarf2reader::DW_CFA_restore | 0x3c) + .FinishEntry(); + + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, fde_start, fde_size, version, "", return_register)) + .WillOnce(Return(true)); + // CIE's CFA rule. + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x6ca1d50e, 0x372e38e8)) + .WillOnce(Return(true)); + // CIE's rule for register 0x3c. + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x3c, kCFARegister, 0xb348 * data_factor)) + .WillOnce(Return(true)); + // FDE's rule for register 0x3c. + EXPECT_CALL(handler, + OffsetRule(fde_start + 0x13 * code_factor, 0x3c, + kCFARegister, 0x9a50 * data_factor)) + .WillOnce(Return(true)); + // Restore CIE's rule for register 0x3c. + EXPECT_CALL(handler, + OffsetRule(fde_start + (0x13 + 0x01) * code_factor, 0x3c, + kCFARegister, 0xb348 * data_factor)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_restoreNoRule) { + CFISection section(kBigEndian, 4); + code_factor = 0x005f78143c1c3b82ULL; + data_factor = 0x25d0; + return_register = 0xe8; + version = 1; + fde_start = 0x4062e30f; + fde_size = 0x5302a389; + Label cie; + section + .Mark(&cie) + .CIEHeader(code_factor, data_factor, return_register, version, "") + // Provide a CFA rule, because register rules require them. + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x470aa334).ULEB128(0x099ef127) + .FinishEntry() + // In the FDE... + .FDEHeader(cie, fde_start, fde_size) + // At a second address, provide an offset(N) rule for register 0x2c. + .D8(dwarf2reader::DW_CFA_advance_loc | 0x7) + .D8(dwarf2reader::DW_CFA_offset | 0x2c).ULEB128(0x1f47) + // At a third address, restore the (missing) CIE rule for register 0x2c. + .D8(dwarf2reader::DW_CFA_advance_loc | 0xb) + .D8(dwarf2reader::DW_CFA_restore | 0x2c) + .FinishEntry(); + + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, fde_start, fde_size, version, "", return_register)) + .WillOnce(Return(true)); + // CIE's CFA rule. + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x470aa334, 0x099ef127)) + .WillOnce(Return(true)); + // FDE's rule for register 0x2c. + EXPECT_CALL(handler, + OffsetRule(fde_start + 0x7 * code_factor, 0x2c, + kCFARegister, 0x1f47 * data_factor)) + .WillOnce(Return(true)); + // Restore CIE's (missing) rule for register 0x2c. + EXPECT_CALL(handler, + SameValueRule(fde_start + (0x7 + 0xb) * code_factor, 0x2c)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_restore_extended) { + CFISection section(kBigEndian, 4); + code_factor = 0x126e; + data_factor = -0xd8b; + return_register = 0x77711787; + version = 3; + fde_start = 0x01f55a45; + fde_size = 0x452adb80; + Label cie; + section + .Mark(&cie) + .CIEHeader(code_factor, data_factor, return_register, version, + "", true /* dwarf64 */ ) + // Provide a CFA rule, because register rules require them. + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x56fa0edd).ULEB128(0x097f78a5) + // Provide an offset(N) rule for register 0x0f9b8a1c. + .D8(dwarf2reader::DW_CFA_offset_extended) + .ULEB128(0x0f9b8a1c).ULEB128(0xc979) + .FinishEntry() + // In the FDE... + .FDEHeader(cie, fde_start, fde_size) + // At a second address, provide a new offset(N) rule for reg 0x0f9b8a1c. + .D8(dwarf2reader::DW_CFA_advance_loc | 0x3) + .D8(dwarf2reader::DW_CFA_offset_extended) + .ULEB128(0x0f9b8a1c).ULEB128(0x3b7b) + // At a third address, restore the original rule for register 0x0f9b8a1c. + .D8(dwarf2reader::DW_CFA_advance_loc | 0x04) + .D8(dwarf2reader::DW_CFA_restore_extended).ULEB128(0x0f9b8a1c) + .FinishEntry(); + + { + InSequence s; + EXPECT_CALL(handler, + Entry(_, fde_start, fde_size, version, "", return_register)) + .WillOnce(Return(true)); + // CIE's CFA rule. + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x56fa0edd, 0x097f78a5)) + .WillOnce(Return(true)); + // CIE's rule for register 0x0f9b8a1c. + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x0f9b8a1c, kCFARegister, + 0xc979 * data_factor)) + .WillOnce(Return(true)); + // FDE's rule for register 0x0f9b8a1c. + EXPECT_CALL(handler, + OffsetRule(fde_start + 0x3 * code_factor, 0x0f9b8a1c, + kCFARegister, 0x3b7b * data_factor)) + .WillOnce(Return(true)); + // Restore CIE's rule for register 0x0f9b8a1c. + EXPECT_CALL(handler, + OffsetRule(fde_start + (0x3 + 0x4) * code_factor, 0x0f9b8a1c, + kCFARegister, 0xc979 * data_factor)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + } + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_remember_and_restore_state) { + CFISection section(kLittleEndian, 8); + StockCIEAndFDE(§ion); + + // We create a state, save it, modify it, and then restore. We + // refer to the state that is overridden the restore as the + // "outgoing" state, and the restored state the "incoming" state. + // + // Register outgoing incoming expect + // 1 offset(N) no rule new "same value" rule + // 2 register(R) offset(N) report changed rule + // 3 offset(N) offset(M) report changed offset + // 4 offset(N) offset(N) no report + // 5 offset(N) no rule new "same value" rule + section + // Create the "incoming" state, which we will save and later restore. + .D8(dwarf2reader::DW_CFA_offset | 2).ULEB128(0x9806) + .D8(dwarf2reader::DW_CFA_offset | 3).ULEB128(0x995d) + .D8(dwarf2reader::DW_CFA_offset | 4).ULEB128(0x7055) + .D8(dwarf2reader::DW_CFA_remember_state) + // Advance to a new instruction; an implementation could legitimately + // ignore all but the final rule for a given register at a given address. + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + // Create the "outgoing" state, which we will discard. + .D8(dwarf2reader::DW_CFA_offset | 1).ULEB128(0xea1a) + .D8(dwarf2reader::DW_CFA_register).ULEB128(2).ULEB128(0x1d2a3767) + .D8(dwarf2reader::DW_CFA_offset | 3).ULEB128(0xdd29) + .D8(dwarf2reader::DW_CFA_offset | 5).ULEB128(0xf1ce) + // At a third address, restore the incoming state. + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + uint64 addr = fde_start; + + // Expect the incoming rules to be reported. + EXPECT_CALL(handler, OffsetRule(addr, 2, kCFARegister, 0x9806 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(addr, 3, kCFARegister, 0x995d * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(addr, 4, kCFARegister, 0x7055 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + + addr += code_factor; + + // After the save, we establish the outgoing rule set. + EXPECT_CALL(handler, OffsetRule(addr, 1, kCFARegister, 0xea1a * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, RegisterRule(addr, 2, 0x1d2a3767)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(addr, 3, kCFARegister, 0xdd29 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(addr, 5, kCFARegister, 0xf1ce * data_factor)) + .InSequence(s).WillOnce(Return(true)); + + addr += code_factor; + + // Finally, after the restore, expect to see the differences from + // the outgoing to the incoming rules reported. + EXPECT_CALL(handler, SameValueRule(addr, 1)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(addr, 2, kCFARegister, 0x9806 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(addr, 3, kCFARegister, 0x995d * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, SameValueRule(addr, 5)) + .InSequence(s).WillOnce(Return(true)); + + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +// Check that restoring a rule set reports changes to the CFA rule. +TEST_F(CFIInsn, DW_CFA_remember_and_restore_stateCFA) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + + section + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_def_cfa_offset).ULEB128(0x90481102) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ValOffsetRule(fde_start + code_factor, kCFARegister, + cfa_base_register, 0x90481102)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(fde_start + code_factor * 2, kCFARegister, + cfa_base_register, cfa_offset)) + .InSequence(s).WillOnce(Return(true)); + + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_nop) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_nop) + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x3fb8d4f1).ULEB128(0x078dc67b) + .D8(dwarf2reader::DW_CFA_nop) + .FinishEntry(); + + EXPECT_CALL(handler, + ValOffsetRule(fde_start, kCFARegister, 0x3fb8d4f1, 0x078dc67b)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_GNU_window_save) { + CFISection section(kBigEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_GNU_window_save) + .FinishEntry(); + + // Don't include all the rules in any particular sequence. + + // The caller's %o0-%o7 have become the callee's %i0-%i7. This is + // the GCC register numbering. + for (int i = 8; i < 16; i++) + EXPECT_CALL(handler, RegisterRule(fde_start, i, i + 16)) + .WillOnce(Return(true)); + // The caller's %l0-%l7 and %i0-%i7 have been saved at the top of + // its frame. + for (int i = 16; i < 32; i++) + EXPECT_CALL(handler, OffsetRule(fde_start, i, kCFARegister, (i-16) * 4)) + .WillOnce(Return(true)); + + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_GNU_args_size) { + CFISection section(kLittleEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_GNU_args_size).ULEB128(0xeddfa520) + // Verify that we see this, meaning we parsed the above properly. + .D8(dwarf2reader::DW_CFA_offset | 0x23).ULEB128(0x269) + .FinishEntry(); + + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x23, kCFARegister, 0x269 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIInsn, DW_CFA_GNU_negative_offset_extended) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_GNU_negative_offset_extended) + .ULEB128(0x430cc87a).ULEB128(0x613) + .FinishEntry(); + + EXPECT_CALL(handler, + OffsetRule(fde_start, 0x430cc87a, + kCFARegister, -0x613 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion); +} + +// Three FDEs: skip the second +TEST_F(CFIInsn, SkipFDE) { + CFISection section(kBigEndian, 4); + Label cie; + section + // CIE, used by all FDEs. + .Mark(&cie) + .CIEHeader(0x010269f2, 0x9177, 0xedca5849, 2, "") + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(0x42ed390b).ULEB128(0x98f43aad) + .FinishEntry() + // First FDE. + .FDEHeader(cie, 0xa870ebdd, 0x60f6aa4) + .D8(dwarf2reader::DW_CFA_register).ULEB128(0x3a860351).ULEB128(0x6c9a6bcf) + .FinishEntry() + // Second FDE. + .FDEHeader(cie, 0xc534f7c0, 0xf6552e9, true /* dwarf64 */) + .D8(dwarf2reader::DW_CFA_register).ULEB128(0x1b62c234).ULEB128(0x26586b18) + .FinishEntry() + // Third FDE. + .FDEHeader(cie, 0xf681cfc8, 0x7e4594e) + .D8(dwarf2reader::DW_CFA_register).ULEB128(0x26c53934).ULEB128(0x18eeb8a4) + .FinishEntry(); + + { + InSequence s; + + // Process the first FDE. + EXPECT_CALL(handler, Entry(_, 0xa870ebdd, 0x60f6aa4, 2, "", 0xedca5849)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(0xa870ebdd, kCFARegister, + 0x42ed390b, 0x98f43aad)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, RegisterRule(0xa870ebdd, 0x3a860351, 0x6c9a6bcf)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .WillOnce(Return(true)); + + // Skip the second FDE. + EXPECT_CALL(handler, Entry(_, 0xc534f7c0, 0xf6552e9, 2, "", 0xedca5849)) + .WillOnce(Return(false)); + + // Process the third FDE. + EXPECT_CALL(handler, Entry(_, 0xf681cfc8, 0x7e4594e, 2, "", 0xedca5849)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(0xf681cfc8, kCFARegister, + 0x42ed390b, 0x98f43aad)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, RegisterRule(0xf681cfc8, 0x26c53934, 0x18eeb8a4)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .WillOnce(Return(true)); + } + + ParseSection(§ion); +} + +// Quit processing in the middle of an entry's instructions. +TEST_F(CFIInsn, QuitMidentry) { + CFISection section(kLittleEndian, 8); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_register).ULEB128(0xe0cf850d).ULEB128(0x15aab431) + .D8(dwarf2reader::DW_CFA_expression).ULEB128(0x46750aa5).Block("meat") + .FinishEntry(); + + EXPECT_CALL(handler, RegisterRule(fde_start, 0xe0cf850d, 0x15aab431)) + .InSequence(s).WillOnce(Return(false)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + + ParseSection(§ion, false); +} + +class CFIRestore: public CFIInsnFixture, public Test { }; + +TEST_F(CFIRestore, RestoreUndefinedRuleUnchanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0x0bac878e) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, UndefinedRule(fde_start, 0x0bac878e)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreUndefinedRuleChanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0x7dedff5f) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_same_value).ULEB128(0x7dedff5f) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, UndefinedRule(fde_start, 0x7dedff5f)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, SameValueRule(fde_start + code_factor, 0x7dedff5f)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(fde_start + 2 * code_factor, 0x7dedff5f)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreSameValueRuleUnchanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_same_value).ULEB128(0xadbc9b3a) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, SameValueRule(fde_start, 0xadbc9b3a)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreSameValueRuleChanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_same_value).ULEB128(0x3d90dcb5) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0x3d90dcb5) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, SameValueRule(fde_start, 0x3d90dcb5)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0x3d90dcb5)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, SameValueRule(fde_start + 2 * code_factor, 0x3d90dcb5)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreOffsetRuleUnchanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_offset | 0x14).ULEB128(0xb6f) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, OffsetRule(fde_start, 0x14, + kCFARegister, 0xb6f * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreOffsetRuleChanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_offset | 0x21).ULEB128(0xeb7) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0x21) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, OffsetRule(fde_start, 0x21, + kCFARegister, 0xeb7 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0x21)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(fde_start + 2 * code_factor, 0x21, + kCFARegister, 0xeb7 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreOffsetRuleChangedOffset) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_offset | 0x21).ULEB128(0x134) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_offset | 0x21).ULEB128(0xf4f) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, OffsetRule(fde_start, 0x21, + kCFARegister, 0x134 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(fde_start + code_factor, 0x21, + kCFARegister, 0xf4f * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, OffsetRule(fde_start + 2 * code_factor, 0x21, + kCFARegister, 0x134 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreValOffsetRuleUnchanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_offset).ULEB128(0x829caee6).ULEB128(0xe4c) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ValOffsetRule(fde_start, 0x829caee6, + kCFARegister, 0xe4c * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreValOffsetRuleChanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_offset).ULEB128(0xf17c36d6).ULEB128(0xeb7) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0xf17c36d6) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ValOffsetRule(fde_start, 0xf17c36d6, + kCFARegister, 0xeb7 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xf17c36d6)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(fde_start + 2 * code_factor, 0xf17c36d6, + kCFARegister, 0xeb7 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreValOffsetRuleChangedValOffset) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_offset).ULEB128(0x2cf0ab1b).ULEB128(0x562) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_val_offset).ULEB128(0x2cf0ab1b).ULEB128(0xe88) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ValOffsetRule(fde_start, 0x2cf0ab1b, + kCFARegister, 0x562 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(fde_start + code_factor, 0x2cf0ab1b, + kCFARegister, 0xe88 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(fde_start + 2 * code_factor, 0x2cf0ab1b, + kCFARegister, 0x562 * data_factor)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreRegisterRuleUnchanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_register).ULEB128(0x77514acc).ULEB128(0x464de4ce) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, RegisterRule(fde_start, 0x77514acc, 0x464de4ce)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreRegisterRuleChanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_register).ULEB128(0xe39acce5).ULEB128(0x095f1559) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0xe39acce5) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, RegisterRule(fde_start, 0xe39acce5, 0x095f1559)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xe39acce5)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, RegisterRule(fde_start + 2 * code_factor, 0xe39acce5, + 0x095f1559)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreRegisterRuleChangedRegister) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_register).ULEB128(0xd40e21b1).ULEB128(0x16607d6a) + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_register).ULEB128(0xd40e21b1).ULEB128(0xbabb4742) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, RegisterRule(fde_start, 0xd40e21b1, 0x16607d6a)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, RegisterRule(fde_start + code_factor, 0xd40e21b1, + 0xbabb4742)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, RegisterRule(fde_start + 2 * code_factor, 0xd40e21b1, + 0x16607d6a)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreExpressionRuleUnchanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_expression).ULEB128(0x666ae152).Block("dwarf") + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ExpressionRule(fde_start, 0x666ae152, "dwarf")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreExpressionRuleChanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_expression).ULEB128(0xb5ca5c46).Block("elf") + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0xb5ca5c46) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ExpressionRule(fde_start, 0xb5ca5c46, "elf")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xb5ca5c46)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ExpressionRule(fde_start + 2 * code_factor, 0xb5ca5c46, + "elf")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreExpressionRuleChangedExpression) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_expression).ULEB128(0x500f5739).Block("smurf") + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_expression).ULEB128(0x500f5739).Block("orc") + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ExpressionRule(fde_start, 0x500f5739, "smurf")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ExpressionRule(fde_start + code_factor, 0x500f5739, + "orc")) + .InSequence(s).WillOnce(Return(true)); + // Expectations are not wishes. + EXPECT_CALL(handler, ExpressionRule(fde_start + 2 * code_factor, 0x500f5739, + "smurf")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreValExpressionRuleUnchanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_expression).ULEB128(0x666ae152) + .Block("hideous") + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + EXPECT_CALL(handler, ValExpressionRule(fde_start, 0x666ae152, "hideous")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreValExpressionRuleChanged) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_expression).ULEB128(0xb5ca5c46) + .Block("revolting") + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0xb5ca5c46) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("RestoreValExpressionRuleChanged", section); + + EXPECT_CALL(handler, ValExpressionRule(fde_start, 0xb5ca5c46, "revolting")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xb5ca5c46)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValExpressionRule(fde_start + 2 * code_factor, 0xb5ca5c46, + "revolting")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +TEST_F(CFIRestore, RestoreValExpressionRuleChangedValExpression) { + CFISection section(kLittleEndian, 4); + StockCIEAndFDE(§ion); + section + .D8(dwarf2reader::DW_CFA_val_expression).ULEB128(0x500f5739) + .Block("repulsive") + .D8(dwarf2reader::DW_CFA_remember_state) + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_val_expression).ULEB128(0x500f5739) + .Block("nauseous") + .D8(dwarf2reader::DW_CFA_advance_loc | 1) + .D8(dwarf2reader::DW_CFA_restore_state) + .FinishEntry(); + + PERHAPS_WRITE_DEBUG_FRAME_FILE("RestoreValExpressionRuleChangedValExpression", + section); + + EXPECT_CALL(handler, ValExpressionRule(fde_start, 0x500f5739, "repulsive")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValExpressionRule(fde_start + code_factor, 0x500f5739, + "nauseous")) + .InSequence(s).WillOnce(Return(true)); + // Expectations are not wishes. + EXPECT_CALL(handler, ValExpressionRule(fde_start + 2 * code_factor, 0x500f5739, + "repulsive")) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()).WillOnce(Return(true)); + + ParseSection(§ion); +} + +struct EHFrameFixture: public CFIInsnFixture { + EHFrameFixture() + : CFIInsnFixture(), section(kBigEndian, 4, true) { + encoded_pointer_bases.cfi = 0x7f496cb2; + encoded_pointer_bases.text = 0x540f67b6; + encoded_pointer_bases.data = 0xe3eab768; + section.SetEncodedPointerBases(encoded_pointer_bases); + } + CFISection section; + CFISection::EncodedPointerBases encoded_pointer_bases; + + // Parse CFIInsnFixture::ParseSection, but parse the section as + // .eh_frame data, supplying stock base addresses. + void ParseEHFrameSection(CFISection *section, bool succeeds = true) { + EXPECT_TRUE(section->ContainsEHFrame()); + string contents; + EXPECT_TRUE(section->GetContents(&contents)); + dwarf2reader::Endianness endianness; + if (section->endianness() == kBigEndian) + endianness = ENDIANNESS_BIG; + else { + assert(section->endianness() == kLittleEndian); + endianness = ENDIANNESS_LITTLE; + } + ByteReader byte_reader(endianness); + byte_reader.SetAddressSize(section->AddressSize()); + byte_reader.SetCFIDataBase(encoded_pointer_bases.cfi, contents.data()); + byte_reader.SetTextBase(encoded_pointer_bases.text); + byte_reader.SetDataBase(encoded_pointer_bases.data); + CallFrameInfo parser(contents.data(), contents.size(), + &byte_reader, &handler, &reporter, true); + if (succeeds) + EXPECT_TRUE(parser.Start()); + else + EXPECT_FALSE(parser.Start()); + } + +}; + +class EHFrame: public EHFrameFixture, public Test { }; + +// A simple CIE, an FDE, and a terminator. +TEST_F(EHFrame, Terminator) { + Label cie; + section + .Mark(&cie) + .CIEHeader(9968, 2466, 67, 1, "") + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(3772).ULEB128(1372) + .FinishEntry() + .FDEHeader(cie, 0x848037a1, 0x7b30475e) + .D8(dwarf2reader::DW_CFA_set_loc).D32(0x17713850) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(5721) + .FinishEntry() + .D32(0) // Terminate the sequence. + // This FDE should be ignored. + .FDEHeader(cie, 0xf19629fe, 0x439fb09b) + .FinishEntry(); + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.Terminator", section); + + EXPECT_CALL(handler, Entry(_, 0x848037a1, 0x7b30475e, 1, "", 67)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(0x848037a1, kCFARegister, 3772, 1372)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(0x17713850, 5721)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(reporter, EarlyEHTerminator(_)) + .InSequence(s).WillOnce(Return()); + + ParseEHFrameSection(§ion); +} + +// The parser should recognize the Linux Standards Base 'z' augmentations. +TEST_F(EHFrame, SimpleFDE) { + DwarfPointerEncoding lsda_encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect + | dwarf2reader::DW_EH_PE_datarel + | dwarf2reader::DW_EH_PE_sdata2); + DwarfPointerEncoding fde_encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_textrel + | dwarf2reader::DW_EH_PE_udata2); + + section.SetPointerEncoding(fde_encoding); + section.SetEncodedPointerBases(encoded_pointer_bases); + Label cie; + section + .Mark(&cie) + .CIEHeader(4873, 7012, 100, 1, "zSLPR") + .ULEB128(7) // Augmentation data length + .D8(lsda_encoding) // LSDA pointer format + .D8(dwarf2reader::DW_EH_PE_pcrel) // personality pointer format + .EncodedPointer(0x97baa00, dwarf2reader::DW_EH_PE_pcrel) // and value + .D8(fde_encoding) // FDE pointer format + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(6706).ULEB128(31) + .FinishEntry() + .FDEHeader(cie, 0x540f6b56, 0xf686) + .ULEB128(2) // Augmentation data length + .EncodedPointer(0xe3eab475, lsda_encoding) // LSDA pointer, signed + .D8(dwarf2reader::DW_CFA_set_loc) + .EncodedPointer(0x540fa4ce, fde_encoding) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(0x675e) + .FinishEntry() + .D32(0); // terminator + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.SimpleFDE", section); + + EXPECT_CALL(handler, Entry(_, 0x540f6b56, 0xf686, 1, "zSLPR", 100)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, PersonalityRoutine(0x97baa00, false)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, LanguageSpecificDataArea(0xe3eab475, true)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, SignalHandler()) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(0x540f6b56, kCFARegister, 6706, 31)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(0x540fa4ce, 0x675e)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + + ParseEHFrameSection(§ion); +} + +// Check that we can handle an empty 'z' augmentation. +TEST_F(EHFrame, EmptyZ) { + Label cie; + section + .Mark(&cie) + .CIEHeader(5955, 5805, 228, 1, "z") + .ULEB128(0) // Augmentation data length + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(3629).ULEB128(247) + .FinishEntry() + .FDEHeader(cie, 0xda007738, 0xfb55c641) + .ULEB128(0) // Augmentation data length + .D8(dwarf2reader::DW_CFA_advance_loc1).D8(11) + .D8(dwarf2reader::DW_CFA_undefined).ULEB128(3769) + .FinishEntry(); + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.EmptyZ", section); + + EXPECT_CALL(handler, Entry(_, 0xda007738, 0xfb55c641, 1, "z", 228)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, ValOffsetRule(0xda007738, kCFARegister, 3629, 247)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, UndefinedRule(0xda007738 + 11 * 5955, 3769)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + + ParseEHFrameSection(§ion); +} + +// Check that we recognize bad 'z' augmentation characters. +TEST_F(EHFrame, BadZ) { + Label cie; + section + .Mark(&cie) + .CIEHeader(6937, 1045, 142, 1, "zQ") + .ULEB128(0) // Augmentation data length + .D8(dwarf2reader::DW_CFA_def_cfa).ULEB128(9006).ULEB128(7725) + .FinishEntry() + .FDEHeader(cie, 0x1293efa8, 0x236f53f2) + .ULEB128(0) // Augmentation data length + .D8(dwarf2reader::DW_CFA_advance_loc | 12) + .D8(dwarf2reader::DW_CFA_register).ULEB128(5667).ULEB128(3462) + .FinishEntry(); + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.BadZ", section); + + EXPECT_CALL(reporter, UnrecognizedAugmentation(_, "zQ")) + .WillOnce(Return()); + + ParseEHFrameSection(§ion, false); +} + +TEST_F(EHFrame, zL) { + Label cie; + DwarfPointerEncoding lsda_encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_funcrel + | dwarf2reader::DW_EH_PE_udata2); + section + .Mark(&cie) + .CIEHeader(9285, 9959, 54, 1, "zL") + .ULEB128(1) // Augmentation data length + .D8(lsda_encoding) // encoding for LSDA pointer in FDE + + .FinishEntry() + .FDEHeader(cie, 0xd40091aa, 0x9aa6e746) + .ULEB128(2) // Augmentation data length + .EncodedPointer(0xd40099cd, lsda_encoding) // LSDA pointer + .FinishEntry() + .D32(0); // terminator + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zL", section); + + EXPECT_CALL(handler, Entry(_, 0xd40091aa, 0x9aa6e746, 1, "zL", 54)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, LanguageSpecificDataArea(0xd40099cd, false)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + + ParseEHFrameSection(§ion); +} + +TEST_F(EHFrame, zP) { + Label cie; + DwarfPointerEncoding personality_encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_datarel + | dwarf2reader::DW_EH_PE_udata2); + section + .Mark(&cie) + .CIEHeader(1097, 6313, 17, 1, "zP") + .ULEB128(3) // Augmentation data length + .D8(personality_encoding) // encoding for personality routine + .EncodedPointer(0xe3eaccac, personality_encoding) // value + .FinishEntry() + .FDEHeader(cie, 0x0c8350c9, 0xbef11087) + .ULEB128(0) // Augmentation data length + .FinishEntry() + .D32(0); // terminator + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zP", section); + + EXPECT_CALL(handler, Entry(_, 0x0c8350c9, 0xbef11087, 1, "zP", 17)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, PersonalityRoutine(0xe3eaccac, false)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + + ParseEHFrameSection(§ion); +} + +TEST_F(EHFrame, zR) { + Label cie; + DwarfPointerEncoding pointer_encoding = + DwarfPointerEncoding(dwarf2reader::DW_EH_PE_textrel + | dwarf2reader::DW_EH_PE_sdata2); + section.SetPointerEncoding(pointer_encoding); + section + .Mark(&cie) + .CIEHeader(8011, 5496, 75, 1, "zR") + .ULEB128(1) // Augmentation data length + .D8(pointer_encoding) // encoding for FDE addresses + .FinishEntry() + .FDEHeader(cie, 0x540f9431, 0xbd0) + .ULEB128(0) // Augmentation data length + .FinishEntry() + .D32(0); // terminator + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zR", section); + + EXPECT_CALL(handler, Entry(_, 0x540f9431, 0xbd0, 1, "zR", 75)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + + ParseEHFrameSection(§ion); +} + +TEST_F(EHFrame, zS) { + Label cie; + section + .Mark(&cie) + .CIEHeader(9217, 7694, 57, 1, "zS") + .ULEB128(0) // Augmentation data length + .FinishEntry() + .FDEHeader(cie, 0xd40091aa, 0x9aa6e746) + .ULEB128(0) // Augmentation data length + .FinishEntry() + .D32(0); // terminator + + PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zS", section); + + EXPECT_CALL(handler, Entry(_, 0xd40091aa, 0x9aa6e746, 1, "zS", 57)) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, SignalHandler()) + .InSequence(s).WillOnce(Return(true)); + EXPECT_CALL(handler, End()) + .InSequence(s).WillOnce(Return(true)); + + ParseEHFrameSection(§ion); +} + +// These tests require manual inspection of the test output. +struct CFIReporterFixture { + CFIReporterFixture() : reporter("test file name", "test section name") { } + CallFrameInfo::Reporter reporter; +}; + +class CFIReporter: public CFIReporterFixture, public Test { }; + +TEST_F(CFIReporter, Incomplete) { + reporter.Incomplete(0x0102030405060708ULL, CallFrameInfo::kUnknown); +} + +TEST_F(CFIReporter, EarlyEHTerminator) { + reporter.EarlyEHTerminator(0x0102030405060708ULL); +} + +TEST_F(CFIReporter, CIEPointerOutOfRange) { + reporter.CIEPointerOutOfRange(0x0123456789abcdefULL, 0xfedcba9876543210ULL); +} + +TEST_F(CFIReporter, BadCIEId) { + reporter.BadCIEId(0x0123456789abcdefULL, 0xfedcba9876543210ULL); +} + +TEST_F(CFIReporter, UnrecognizedVersion) { + reporter.UnrecognizedVersion(0x0123456789abcdefULL, 43); +} + +TEST_F(CFIReporter, UnrecognizedAugmentation) { + reporter.UnrecognizedAugmentation(0x0123456789abcdefULL, "poodles"); +} + +TEST_F(CFIReporter, InvalidPointerEncoding) { + reporter.InvalidPointerEncoding(0x0123456789abcdefULL, 0x42); +} + +TEST_F(CFIReporter, UnusablePointerEncoding) { + reporter.UnusablePointerEncoding(0x0123456789abcdefULL, 0x42); +} + +TEST_F(CFIReporter, RestoreInCIE) { + reporter.RestoreInCIE(0x0123456789abcdefULL, 0xfedcba9876543210ULL); +} + +TEST_F(CFIReporter, BadInstruction) { + reporter.BadInstruction(0x0123456789abcdefULL, CallFrameInfo::kFDE, + 0xfedcba9876543210ULL); +} + +TEST_F(CFIReporter, NoCFARule) { + reporter.NoCFARule(0x0123456789abcdefULL, CallFrameInfo::kCIE, + 0xfedcba9876543210ULL); +} + +TEST_F(CFIReporter, EmptyStateStack) { + reporter.EmptyStateStack(0x0123456789abcdefULL, CallFrameInfo::kTerminator, + 0xfedcba9876543210ULL); +} + +TEST_F(CFIReporter, ClearingCFARule) { + reporter.ClearingCFARule(0x0123456789abcdefULL, CallFrameInfo::kFDE, + 0xfedcba9876543210ULL); +} + +#ifdef WRITE_ELF +// See comments at the top of the file mentioning WRITE_ELF for details. + +using google_breakpad::test_assembler::Section; + +struct ELFSectionHeader { + ELFSectionHeader(unsigned int set_type) + : type(set_type), flags(0), address(0), link(0), info(0), + alignment(1), entry_size(0) { } + Label name; + unsigned int type; + uint64_t flags; + uint64_t address; + Label file_offset; + Label file_size; + unsigned int link; + unsigned int info; + uint64_t alignment; + uint64_t entry_size; +}; + +void AppendSectionHeader(CFISection *table, const ELFSectionHeader &header) { + (*table) + .D32(header.name) // name, index in string tbl + .D32(header.type) // type + .Address(header.flags) // flags + .Address(header.address) // address in memory + .Address(header.file_offset) // offset in ELF file + .Address(header.file_size) // length in bytes + .D32(header.link) // link to related section + .D32(header.info) // miscellaneous + .Address(header.alignment) // alignment + .Address(header.entry_size); // entry size +} + +void WriteELFFrameSection(const char *filename, const char *cfi_name, + const CFISection &cfi) { + int elf_class = cfi.AddressSize() == 4 ? ELFCLASS32 : ELFCLASS64; + int elf_data = (cfi.endianness() == kBigEndian + ? ELFDATA2MSB : ELFDATA2LSB); + CFISection elf(cfi.endianness(), cfi.AddressSize()); + Label elf_header_size, section_table_offset; + elf + .Append("\x7f" "ELF") + .D8(elf_class) // 32-bit or 64-bit ELF + .D8(elf_data) // endianness + .D8(1) // ELF version + .D8(ELFOSABI_LINUX) // Operating System/ABI indication + .D8(0) // ABI version + .Append(7, 0xda) // padding + .D16(ET_EXEC) // file type: executable file + .D16(EM_386) // architecture: Intel IA-32 + .D32(EV_CURRENT); // ELF version + elf + .Address(0x0123456789abcdefULL) // program entry point + .Address(0) // program header offset + .Address(section_table_offset) // section header offset + .D32(0) // processor-specific flags + .D16(elf_header_size) // ELF header size in bytes */ + .D16(elf_class == ELFCLASS32 ? 32 : 56) // program header entry size + .D16(0) // program header table entry count + .D16(elf_class == ELFCLASS32 ? 40 : 64) // section header entry size + .D16(3) // section count + .D16(1) // section name string table + .Mark(&elf_header_size); + + // The null section. Every ELF file has one, as the first entry in + // the section header table. + ELFSectionHeader null_header(SHT_NULL); + null_header.file_offset = 0; + null_header.file_size = 0; + + // The CFI section. The whole reason for writing out this ELF file + // is to put this in it so that we can run other dumping programs on + // it to check its contents. + ELFSectionHeader cfi_header(SHT_PROGBITS); + cfi_header.file_size = cfi.Size(); + + // The section holding the names of the sections. This is the + // section whose index appears in the e_shstrndx member of the ELF + // header. + ELFSectionHeader section_names_header(SHT_STRTAB); + CFISection section_names(cfi.endianness(), cfi.AddressSize()); + section_names + .Mark(&null_header.name) + .AppendCString("") + .Mark(§ion_names_header.name) + .AppendCString(".shstrtab") + .Mark(&cfi_header.name) + .AppendCString(cfi_name) + .Mark(§ion_names_header.file_size); + + // Create the section table. The ELF header's e_shoff member refers + // to this, and the e_shnum member gives the number of entries it + // contains. + CFISection section_table(cfi.endianness(), cfi.AddressSize()); + AppendSectionHeader(§ion_table, null_header); + AppendSectionHeader(§ion_table, section_names_header); + AppendSectionHeader(§ion_table, cfi_header); + + // Append the section table and the section contents to the ELF file. + elf + .Mark(§ion_table_offset) + .Append(section_table) + .Mark(§ion_names_header.file_offset) + .Append(section_names) + .Mark(&cfi_header.file_offset) + .Append(cfi); + + string contents; + if (!elf.GetContents(&contents)) { + fprintf(stderr, "failed to get ELF file contents\n"); + exit(1); + } + + FILE *out = fopen(filename, "w"); + if (!out) { + fprintf(stderr, "error opening ELF file '%s': %s\n", + filename, strerror(errno)); + exit(1); + } + + if (fwrite(contents.data(), 1, contents.size(), out) != contents.size()) { + fprintf(stderr, "error writing ELF data to '%s': %s\n", + filename, strerror(errno)); + exit(1); + } + + if (fclose(out) == EOF) { + fprintf(stderr, "error closing ELF file '%s': %s\n", + filename, strerror(errno)); + exit(1); + } +} +#endif diff --git a/google-breakpad/src/common/dwarf/dwarf2reader_die_unittest.cc b/google-breakpad/src/common/dwarf/dwarf2reader_die_unittest.cc new file mode 100644 index 0000000..4e34436 --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2reader_die_unittest.cc @@ -0,0 +1,484 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf2reader_die_unittest.cc: Unit tests for dwarf2reader::CompilationUnit + +#include + +#include +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/dwarf/bytereader-inl.h" +#include "common/dwarf/dwarf2reader_test_common.h" +#include "common/dwarf/dwarf2reader.h" +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +using google_breakpad::test_assembler::Endianness; +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::Section; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; + +using dwarf2reader::ByteReader; +using dwarf2reader::CompilationUnit; +using dwarf2reader::Dwarf2Handler; +using dwarf2reader::DwarfAttribute; +using dwarf2reader::DwarfForm; +using dwarf2reader::DwarfHasChild; +using dwarf2reader::DwarfTag; +using dwarf2reader::ENDIANNESS_BIG; +using dwarf2reader::ENDIANNESS_LITTLE; +using dwarf2reader::SectionMap; + +using std::vector; +using testing::InSequence; +using testing::Pointee; +using testing::Return; +using testing::Sequence; +using testing::Test; +using testing::TestWithParam; +using testing::_; + +class MockDwarf2Handler: public Dwarf2Handler { + public: + MOCK_METHOD5(StartCompilationUnit, bool(uint64 offset, uint8 address_size, + uint8 offset_size, uint64 cu_length, + uint8 dwarf_version)); + MOCK_METHOD2(StartDIE, bool(uint64 offset, enum DwarfTag tag)); + MOCK_METHOD4(ProcessAttributeUnsigned, void(uint64 offset, + DwarfAttribute attr, + enum DwarfForm form, + uint64 data)); + MOCK_METHOD4(ProcessAttributeSigned, void(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + int64 data)); + MOCK_METHOD4(ProcessAttributeReference, void(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data)); + MOCK_METHOD5(ProcessAttributeBuffer, void(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const char* data, + uint64 len)); + MOCK_METHOD4(ProcessAttributeString, void(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const string& data)); + MOCK_METHOD4(ProcessAttributeSignature, void(uint64 offset, + DwarfAttribute attr, + enum DwarfForm form, + uint64 signature)); + MOCK_METHOD1(EndDIE, void(uint64 offset)); +}; + +struct DIEFixture { + + DIEFixture() { + // Fix the initial offset of the .debug_info and .debug_abbrev sections. + info.start() = 0; + abbrevs.start() = 0; + + // Default expectations for the data handler. + EXPECT_CALL(handler, StartCompilationUnit(_, _, _, _, _)).Times(0); + EXPECT_CALL(handler, StartDIE(_, _)).Times(0); + EXPECT_CALL(handler, ProcessAttributeUnsigned(_, _, _, _)).Times(0); + EXPECT_CALL(handler, ProcessAttributeSigned(_, _, _, _)).Times(0); + EXPECT_CALL(handler, ProcessAttributeReference(_, _, _, _)).Times(0); + EXPECT_CALL(handler, ProcessAttributeBuffer(_, _, _, _, _)).Times(0); + EXPECT_CALL(handler, ProcessAttributeString(_, _, _, _)).Times(0); + EXPECT_CALL(handler, EndDIE(_)).Times(0); + } + + // Return a reference to a section map whose .debug_info section refers + // to |info|, and whose .debug_abbrev section refers to |abbrevs|. This + // function returns a reference to the same SectionMap each time; new + // calls wipe out maps established by earlier calls. + const SectionMap &MakeSectionMap() { + // Copy the sections' contents into strings that will live as long as + // the map itself. + assert(info.GetContents(&info_contents)); + assert(abbrevs.GetContents(&abbrevs_contents)); + section_map.clear(); + section_map[".debug_info"].first = info_contents.data(); + section_map[".debug_info"].second = info_contents.size(); + section_map[".debug_abbrev"].first = abbrevs_contents.data(); + section_map[".debug_abbrev"].second = abbrevs_contents.size(); + return section_map; + } + + TestCompilationUnit info; + TestAbbrevTable abbrevs; + MockDwarf2Handler handler; + string abbrevs_contents, info_contents; + SectionMap section_map; +}; + +struct DwarfHeaderParams { + DwarfHeaderParams(Endianness endianness, size_t format_size, + int version, size_t address_size) + : endianness(endianness), format_size(format_size), + version(version), address_size(address_size) { } + Endianness endianness; + size_t format_size; // 4-byte or 8-byte DWARF offsets + int version; + size_t address_size; +}; + +class DwarfHeader: public DIEFixture, + public TestWithParam { }; + +TEST_P(DwarfHeader, Header) { + Label abbrev_table = abbrevs.Here(); + abbrevs.Abbrev(1, dwarf2reader::DW_TAG_compile_unit, + dwarf2reader::DW_children_yes) + .Attribute(dwarf2reader::DW_AT_name, dwarf2reader::DW_FORM_string) + .EndAbbrev() + .EndTable(); + + info.set_format_size(GetParam().format_size); + info.set_endianness(GetParam().endianness); + + info.Header(GetParam().version, abbrev_table, GetParam().address_size) + .ULEB128(1) // DW_TAG_compile_unit, with children + .AppendCString("sam") // DW_AT_name, DW_FORM_string + .D8(0); // end of children + info.Finish(); + + { + InSequence s; + EXPECT_CALL(handler, + StartCompilationUnit(0, GetParam().address_size, + GetParam().format_size, _, + GetParam().version)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, StartDIE(_, dwarf2reader::DW_TAG_compile_unit)) + .WillOnce(Return(true)); + EXPECT_CALL(handler, ProcessAttributeString(_, dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_string, + "sam")) + .WillOnce(Return()); + EXPECT_CALL(handler, EndDIE(_)) + .WillOnce(Return()); + } + + ByteReader byte_reader(GetParam().endianness == kLittleEndian ? + ENDIANNESS_LITTLE : ENDIANNESS_BIG); + CompilationUnit parser(MakeSectionMap(), 0, &byte_reader, &handler); + EXPECT_EQ(parser.Start(), info_contents.size()); +} + +INSTANTIATE_TEST_CASE_P( + HeaderVariants, DwarfHeader, + ::testing::Values(DwarfHeaderParams(kLittleEndian, 4, 2, 4), + DwarfHeaderParams(kLittleEndian, 4, 2, 8), + DwarfHeaderParams(kLittleEndian, 4, 3, 4), + DwarfHeaderParams(kLittleEndian, 4, 3, 8), + DwarfHeaderParams(kLittleEndian, 4, 4, 4), + DwarfHeaderParams(kLittleEndian, 4, 4, 8), + DwarfHeaderParams(kLittleEndian, 8, 2, 4), + DwarfHeaderParams(kLittleEndian, 8, 2, 8), + DwarfHeaderParams(kLittleEndian, 8, 3, 4), + DwarfHeaderParams(kLittleEndian, 8, 3, 8), + DwarfHeaderParams(kLittleEndian, 8, 4, 4), + DwarfHeaderParams(kLittleEndian, 8, 4, 8), + DwarfHeaderParams(kBigEndian, 4, 2, 4), + DwarfHeaderParams(kBigEndian, 4, 2, 8), + DwarfHeaderParams(kBigEndian, 4, 3, 4), + DwarfHeaderParams(kBigEndian, 4, 3, 8), + DwarfHeaderParams(kBigEndian, 4, 4, 4), + DwarfHeaderParams(kBigEndian, 4, 4, 8), + DwarfHeaderParams(kBigEndian, 8, 2, 4), + DwarfHeaderParams(kBigEndian, 8, 2, 8), + DwarfHeaderParams(kBigEndian, 8, 3, 4), + DwarfHeaderParams(kBigEndian, 8, 3, 8), + DwarfHeaderParams(kBigEndian, 8, 4, 4), + DwarfHeaderParams(kBigEndian, 8, 4, 8))); + +struct DwarfFormsFixture: public DIEFixture { + // Start a compilation unit, as directed by |params|, containing one + // childless DIE of the given tag, with one attribute of the given name + // and form. The 'info' fixture member is left just after the abbrev + // code, waiting for the attribute value to be appended. + void StartSingleAttributeDIE(const DwarfHeaderParams ¶ms, + DwarfTag tag, DwarfAttribute name, + DwarfForm form) { + // Create the abbreviation table. + Label abbrev_table = abbrevs.Here(); + abbrevs.Abbrev(1, tag, dwarf2reader::DW_children_no) + .Attribute(name, form) + .EndAbbrev() + .EndTable(); + + // Create the compilation unit, up to the attribute value. + info.set_format_size(params.format_size); + info.set_endianness(params.endianness); + info.Header(params.version, abbrev_table, params.address_size) + .ULEB128(1); // abbrev code + } + + // Set up handler to expect a compilation unit matching |params|, + // containing one childless DIE of the given tag, in the sequence s. Stop + // just before the expectations. + void ExpectBeginCompilationUnit(const DwarfHeaderParams ¶ms, + DwarfTag tag, uint64 offset=0) { + EXPECT_CALL(handler, + StartCompilationUnit(offset, params.address_size, + params.format_size, _, + params.version)) + .InSequence(s) + .WillOnce(Return(true)); + EXPECT_CALL(handler, StartDIE(_, tag)) + .InSequence(s) + .WillOnce(Return(true)); + } + + void ExpectEndCompilationUnit() { + EXPECT_CALL(handler, EndDIE(_)) + .InSequence(s) + .WillOnce(Return()); + } + + void ParseCompilationUnit(const DwarfHeaderParams ¶ms, uint64 offset=0) { + ByteReader byte_reader(params.endianness == kLittleEndian ? + ENDIANNESS_LITTLE : ENDIANNESS_BIG); + CompilationUnit parser(MakeSectionMap(), offset, &byte_reader, &handler); + EXPECT_EQ(offset + parser.Start(), info_contents.size()); + } + + // The sequence to which the fixture's methods append expectations. + Sequence s; +}; + +struct DwarfForms: public DwarfFormsFixture, + public TestWithParam { }; + +TEST_P(DwarfForms, addr) { + StartSingleAttributeDIE(GetParam(), dwarf2reader::DW_TAG_compile_unit, + dwarf2reader::DW_AT_low_pc, + dwarf2reader::DW_FORM_addr); + uint64_t value; + if (GetParam().address_size == 4) { + value = 0xc8e9ffcc; + info.D32(value); + } else { + value = 0xe942517fc2768564ULL; + info.D64(value); + } + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), dwarf2reader::DW_TAG_compile_unit); + EXPECT_CALL(handler, ProcessAttributeUnsigned(_, dwarf2reader::DW_AT_low_pc, + dwarf2reader::DW_FORM_addr, + value)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam()); +} + +TEST_P(DwarfForms, block2_empty) { + StartSingleAttributeDIE(GetParam(), (DwarfTag) 0x16e4d2f7, + (DwarfAttribute) 0xe52c4463, + dwarf2reader::DW_FORM_block2); + info.D16(0); + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), (DwarfTag) 0x16e4d2f7); + EXPECT_CALL(handler, ProcessAttributeBuffer(_, (DwarfAttribute) 0xe52c4463, + dwarf2reader::DW_FORM_block2, + _, 0)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam()); +} + +TEST_P(DwarfForms, block2) { + StartSingleAttributeDIE(GetParam(), (DwarfTag) 0x16e4d2f7, + (DwarfAttribute) 0xe52c4463, + dwarf2reader::DW_FORM_block2); + unsigned char data[258]; + memset(data, '*', sizeof(data)); + info.D16(sizeof(data)) + .Append(data, sizeof(data)); + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), (DwarfTag) 0x16e4d2f7); + EXPECT_CALL(handler, ProcessAttributeBuffer(_, (DwarfAttribute) 0xe52c4463, + dwarf2reader::DW_FORM_block2, + Pointee('*'), 258)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam()); +} + +TEST_P(DwarfForms, flag_present) { + StartSingleAttributeDIE(GetParam(), (DwarfTag) 0x3e449ac2, + (DwarfAttribute) 0x359d1972, + dwarf2reader::DW_FORM_flag_present); + // DW_FORM_flag_present occupies no space in the DIE. + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), (DwarfTag) 0x3e449ac2); + EXPECT_CALL(handler, + ProcessAttributeUnsigned(_, (DwarfAttribute) 0x359d1972, + dwarf2reader::DW_FORM_flag_present, + 1)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam()); +} + +TEST_P(DwarfForms, sec_offset) { + StartSingleAttributeDIE(GetParam(), (DwarfTag) 0x1d971689, + (DwarfAttribute) 0xa060bfd1, + dwarf2reader::DW_FORM_sec_offset); + uint64_t value; + if (GetParam().format_size == 4) { + value = 0xacc9c388; + info.D32(value); + } else { + value = 0xcffe5696ffe3ed0aULL; + info.D64(value); + } + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), (DwarfTag) 0x1d971689); + EXPECT_CALL(handler, ProcessAttributeUnsigned(_, (DwarfAttribute) 0xa060bfd1, + dwarf2reader::DW_FORM_sec_offset, + value)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam()); +} + +TEST_P(DwarfForms, exprloc) { + StartSingleAttributeDIE(GetParam(), (DwarfTag) 0xb6d167bb, + (DwarfAttribute) 0xba3ae5cb, + dwarf2reader::DW_FORM_exprloc); + info.ULEB128(29) + .Append(29, 173); + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), (DwarfTag) 0xb6d167bb); + EXPECT_CALL(handler, ProcessAttributeBuffer(_, (DwarfAttribute) 0xba3ae5cb, + dwarf2reader::DW_FORM_exprloc, + Pointee(173), 29)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam()); +} + +TEST_P(DwarfForms, ref_sig8) { + StartSingleAttributeDIE(GetParam(), (DwarfTag) 0x253e7b2b, + (DwarfAttribute) 0xd708d908, + dwarf2reader::DW_FORM_ref_sig8); + info.D64(0xf72fa0cb6ddcf9d6ULL); + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), (DwarfTag) 0x253e7b2b); + EXPECT_CALL(handler, ProcessAttributeSignature(_, (DwarfAttribute) 0xd708d908, + dwarf2reader::DW_FORM_ref_sig8, + 0xf72fa0cb6ddcf9d6ULL)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam()); +} + +// A value passed to ProcessAttributeSignature is just an absolute number, +// not an offset within the compilation unit as most of the other +// DW_FORM_ref forms are. Check that the reader doesn't try to apply any +// offset to the signature, by reading it from a compilation unit that does +// not start at the beginning of the section. +TEST_P(DwarfForms, ref_sig8_not_first) { + info.Append(98, '*'); + StartSingleAttributeDIE(GetParam(), (DwarfTag) 0x253e7b2b, + (DwarfAttribute) 0xd708d908, + dwarf2reader::DW_FORM_ref_sig8); + info.D64(0xf72fa0cb6ddcf9d6ULL); + info.Finish(); + + ExpectBeginCompilationUnit(GetParam(), (DwarfTag) 0x253e7b2b, 98); + EXPECT_CALL(handler, ProcessAttributeSignature(_, (DwarfAttribute) 0xd708d908, + dwarf2reader::DW_FORM_ref_sig8, + 0xf72fa0cb6ddcf9d6ULL)) + .InSequence(s) + .WillOnce(Return()); + ExpectEndCompilationUnit(); + + ParseCompilationUnit(GetParam(), 98); +} + +// Tests for the other attribute forms could go here. + +INSTANTIATE_TEST_CASE_P( + HeaderVariants, DwarfForms, + ::testing::Values(DwarfHeaderParams(kLittleEndian, 4, 2, 4), + DwarfHeaderParams(kLittleEndian, 4, 2, 8), + DwarfHeaderParams(kLittleEndian, 4, 3, 4), + DwarfHeaderParams(kLittleEndian, 4, 3, 8), + DwarfHeaderParams(kLittleEndian, 4, 4, 4), + DwarfHeaderParams(kLittleEndian, 4, 4, 8), + DwarfHeaderParams(kLittleEndian, 8, 2, 4), + DwarfHeaderParams(kLittleEndian, 8, 2, 8), + DwarfHeaderParams(kLittleEndian, 8, 3, 4), + DwarfHeaderParams(kLittleEndian, 8, 3, 8), + DwarfHeaderParams(kLittleEndian, 8, 4, 4), + DwarfHeaderParams(kLittleEndian, 8, 4, 8), + DwarfHeaderParams(kBigEndian, 4, 2, 4), + DwarfHeaderParams(kBigEndian, 4, 2, 8), + DwarfHeaderParams(kBigEndian, 4, 3, 4), + DwarfHeaderParams(kBigEndian, 4, 3, 8), + DwarfHeaderParams(kBigEndian, 4, 4, 4), + DwarfHeaderParams(kBigEndian, 4, 4, 8), + DwarfHeaderParams(kBigEndian, 8, 2, 4), + DwarfHeaderParams(kBigEndian, 8, 2, 8), + DwarfHeaderParams(kBigEndian, 8, 3, 4), + DwarfHeaderParams(kBigEndian, 8, 3, 8), + DwarfHeaderParams(kBigEndian, 8, 4, 4), + DwarfHeaderParams(kBigEndian, 8, 4, 8))); diff --git a/google-breakpad/src/common/dwarf/dwarf2reader_test_common.h b/google-breakpad/src/common/dwarf/dwarf2reader_test_common.h new file mode 100644 index 0000000..e91de90 --- /dev/null +++ b/google-breakpad/src/common/dwarf/dwarf2reader_test_common.h @@ -0,0 +1,149 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf2reader_test_common.h: Define TestCompilationUnit and +// TestAbbrevTable, classes for creating properly (and improperly) +// formatted DWARF compilation unit data for unit tests. + +#ifndef COMMON_DWARF_DWARF2READER_TEST_COMMON_H__ +#define COMMON_DWARF_DWARF2READER_TEST_COMMON_H__ + +#include "common/test_assembler.h" +#include "common/dwarf/dwarf2enums.h" + +// A subclass of test_assembler::Section, specialized for constructing +// DWARF compilation units. +class TestCompilationUnit: public google_breakpad::test_assembler::Section { + public: + typedef dwarf2reader::DwarfTag DwarfTag; + typedef dwarf2reader::DwarfAttribute DwarfAttribute; + typedef dwarf2reader::DwarfForm DwarfForm; + typedef google_breakpad::test_assembler::Label Label; + + // Set the section's DWARF format size (the 32-bit DWARF format or the + // 64-bit DWARF format, for lengths and section offsets --- not the + // address size) to format_size. + void set_format_size(size_t format_size) { + assert(format_size == 4 || format_size == 8); + format_size_ = format_size; + } + + // Append a DWARF section offset value, of the appropriate size for this + // compilation unit. + template + void SectionOffset(T offset) { + if (format_size_ == 4) + D32(offset); + else + D64(offset); + } + + // Append a DWARF compilation unit header to the section, with the given + // DWARF version, abbrev table offset, and address size. + TestCompilationUnit &Header(int version, const Label &abbrev_offset, + size_t address_size) { + if (format_size_ == 4) { + D32(length_); + } else { + D32(0xffffffff); + D64(length_); + } + post_length_offset_ = Size(); + D16(version); + SectionOffset(abbrev_offset); + D8(address_size); + return *this; + } + + // Mark the end of this header's DIEs. + TestCompilationUnit &Finish() { + length_ = Size() - post_length_offset_; + return *this; + } + + private: + // The DWARF format size for this compilation unit. + size_t format_size_; + + // The offset of the point in the compilation unit header immediately + // after the initial length field. + uint64_t post_length_offset_; + + // The length of the compilation unit, not including the initial length field. + Label length_; +}; + +// A subclass of test_assembler::Section specialized for constructing DWARF +// abbreviation tables. +class TestAbbrevTable: public google_breakpad::test_assembler::Section { + public: + typedef dwarf2reader::DwarfTag DwarfTag; + typedef dwarf2reader::DwarfAttribute DwarfAttribute; + typedef dwarf2reader::DwarfForm DwarfForm; + typedef dwarf2reader::DwarfHasChild DwarfHasChild; + typedef google_breakpad::test_assembler::Label Label; + + // Start a new abbreviation table entry for abbreviation code |code|, + // encoding a DIE whose tag is |tag|, and which has children if and only + // if |has_children| is true. + TestAbbrevTable &Abbrev(int code, DwarfTag tag, DwarfHasChild has_children) { + assert(code != 0); + ULEB128(code); + ULEB128(static_cast(tag)); + D8(static_cast(has_children)); + return *this; + }; + + // Add an attribute to the current abbreviation code whose name is |name| + // and whose form is |form|. + TestAbbrevTable &Attribute(DwarfAttribute name, DwarfForm form) { + ULEB128(static_cast(name)); + ULEB128(static_cast(form)); + return *this; + } + + // Finish the current abbreviation code. + TestAbbrevTable &EndAbbrev() { + ULEB128(0); + ULEB128(0); + return *this; + } + + // Finish the current abbreviation table. + TestAbbrevTable &EndTable() { + ULEB128(0); + return *this; + } +}; + +#endif // COMMON_DWARF_DWARF2READER_TEST_COMMON_H__ diff --git a/google-breakpad/src/common/dwarf/functioninfo.cc b/google-breakpad/src/common/dwarf/functioninfo.cc new file mode 100644 index 0000000..55a255e --- /dev/null +++ b/google-breakpad/src/common/dwarf/functioninfo.cc @@ -0,0 +1,231 @@ +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// This is a client for the dwarf2reader to extract function and line +// information from the debug info. + +#include +#include +#include + +#include +#include +#include + +#include "common/dwarf/functioninfo.h" +#include "common/dwarf/bytereader.h" +#include "common/scoped_ptr.h" +#include "common/using_std_string.h" + +using google_breakpad::scoped_ptr; + +namespace dwarf2reader { + +CULineInfoHandler::CULineInfoHandler(std::vector* files, + std::vector* dirs, + LineMap* linemap):linemap_(linemap), + files_(files), + dirs_(dirs) { + // The dirs and files are 1 indexed, so just make sure we put + // nothing in the 0 vector. + assert(dirs->size() == 0); + assert(files->size() == 0); + dirs->push_back(""); + SourceFileInfo s; + s.name = ""; + s.lowpc = ULLONG_MAX; + files->push_back(s); +} + +void CULineInfoHandler::DefineDir(const string& name, uint32 dir_num) { + // These should never come out of order, actually + assert(dir_num == dirs_->size()); + dirs_->push_back(name); +} + +void CULineInfoHandler::DefineFile(const string& name, + int32 file_num, uint32 dir_num, + uint64 mod_time, uint64 length) { + assert(dir_num >= 0); + assert(dir_num < dirs_->size()); + + // These should never come out of order, actually. + if (file_num == (int32)files_->size() || file_num == -1) { + string dir = dirs_->at(dir_num); + + SourceFileInfo s; + s.lowpc = ULLONG_MAX; + + if (dir == "") { + s.name = name; + } else { + s.name = dir + "/" + name; + } + + files_->push_back(s); + } else { + fprintf(stderr, "error in DefineFile"); + } +} + +void CULineInfoHandler::AddLine(uint64 address, uint64 length, uint32 file_num, + uint32 line_num, uint32 column_num) { + if (file_num < files_->size()) { + linemap_->insert( + std::make_pair(address, + std::make_pair(files_->at(file_num).name.c_str(), + line_num))); + + if (address < files_->at(file_num).lowpc) { + files_->at(file_num).lowpc = address; + } + } else { + fprintf(stderr, "error in AddLine"); + } +} + +bool CUFunctionInfoHandler::StartCompilationUnit(uint64 offset, + uint8 address_size, + uint8 offset_size, + uint64 cu_length, + uint8 dwarf_version) { + current_compilation_unit_offset_ = offset; + return true; +} + + +// For function info, we only care about subprograms and inlined +// subroutines. For line info, the DW_AT_stmt_list lives in the +// compile unit tag. + +bool CUFunctionInfoHandler::StartDIE(uint64 offset, enum DwarfTag tag) { + switch (tag) { + case DW_TAG_subprogram: + case DW_TAG_inlined_subroutine: { + current_function_info_ = new FunctionInfo; + current_function_info_->lowpc = current_function_info_->highpc = 0; + current_function_info_->name = ""; + current_function_info_->line = 0; + current_function_info_->file = ""; + offset_to_funcinfo_->insert(std::make_pair(offset, + current_function_info_)); + }; + // FALLTHROUGH + case DW_TAG_compile_unit: + return true; + default: + return false; + } + return false; +} + +// Only care about the name attribute for functions + +void CUFunctionInfoHandler::ProcessAttributeString(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const string &data) { + if (current_function_info_) { + if (attr == DW_AT_name) + current_function_info_->name = data; + else if (attr == DW_AT_MIPS_linkage_name) + current_function_info_->mangled_name = data; + } +} + +void CUFunctionInfoHandler::ProcessAttributeUnsigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + if (attr == DW_AT_stmt_list) { + SectionMap::const_iterator iter = sections_.find("__debug_line"); + assert(iter != sections_.end()); + + scoped_ptr lireader(new LineInfo(iter->second.first + data, + iter->second.second - data, + reader_, linehandler_)); + lireader->Start(); + } else if (current_function_info_) { + switch (attr) { + case DW_AT_low_pc: + current_function_info_->lowpc = data; + break; + case DW_AT_high_pc: + current_function_info_->highpc = data; + break; + case DW_AT_decl_line: + current_function_info_->line = data; + break; + case DW_AT_decl_file: + current_function_info_->file = files_->at(data).name; + break; + default: + break; + } + } +} + +void CUFunctionInfoHandler::ProcessAttributeReference(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + if (current_function_info_) { + switch (attr) { + case DW_AT_specification: { + // Some functions have a "specification" attribute + // which means they were defined elsewhere. The name + // attribute is not repeated, and must be taken from + // the specification DIE. Here we'll assume that + // any DIE referenced in this manner will already have + // been seen, but that's not really required by the spec. + FunctionMap::iterator iter = offset_to_funcinfo_->find(data); + if (iter != offset_to_funcinfo_->end()) { + current_function_info_->name = iter->second->name; + current_function_info_->mangled_name = iter->second->mangled_name; + } else { + // If you hit this, this code probably needs to be rewritten. + fprintf(stderr, + "Error: DW_AT_specification was seen before the referenced " + "DIE! (Looking for DIE at offset %08llx, in DIE at " + "offset %08llx)\n", data, offset); + } + break; + } + default: + break; + } + } +} + +void CUFunctionInfoHandler::EndDIE(uint64 offset) { + if (current_function_info_ && current_function_info_->lowpc) + address_to_funcinfo_->insert(std::make_pair(current_function_info_->lowpc, + current_function_info_)); +} + +} // namespace dwarf2reader diff --git a/google-breakpad/src/common/dwarf/functioninfo.h b/google-breakpad/src/common/dwarf/functioninfo.h new file mode 100644 index 0000000..0b08a5f --- /dev/null +++ b/google-breakpad/src/common/dwarf/functioninfo.h @@ -0,0 +1,188 @@ +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +// This file contains the definitions for a DWARF2/3 information +// collector that uses the DWARF2/3 reader interface to build a mapping +// of addresses to files, lines, and functions. + +#ifndef COMMON_DWARF_FUNCTIONINFO_H__ +#define COMMON_DWARF_FUNCTIONINFO_H__ + +#include +#include +#include +#include + +#include "common/dwarf/dwarf2reader.h" +#include "common/using_std_string.h" + + +namespace dwarf2reader { + +struct FunctionInfo { + // Name of the function + string name; + // Mangled name of the function + string mangled_name; + // File containing this function + string file; + // Line number for start of function. + uint32 line; + // Beginning address for this function + uint64 lowpc; + // End address for this function. + uint64 highpc; +}; + +struct SourceFileInfo { + // Name of the source file name + string name; + // Low address of source file name + uint64 lowpc; +}; + +typedef std::map FunctionMap; +typedef std::map > LineMap; + +// This class is a basic line info handler that fills in the dirs, +// file, and linemap passed into it with the data produced from the +// LineInfoHandler. +class CULineInfoHandler: public LineInfoHandler { + public: + + // + CULineInfoHandler(std::vector* files, + std::vector* dirs, + LineMap* linemap); + virtual ~CULineInfoHandler() { } + + // Called when we define a directory. We just place NAME into dirs_ + // at position DIR_NUM. + virtual void DefineDir(const string& name, uint32 dir_num); + + // Called when we define a filename. We just place + // concat(dirs_[DIR_NUM], NAME) into files_ at position FILE_NUM. + virtual void DefineFile(const string& name, int32 file_num, + uint32 dir_num, uint64 mod_time, uint64 length); + + + // Called when the line info reader has a new line, address pair + // ready for us. ADDRESS is the address of the code, LENGTH is the + // length of its machine code in bytes, FILE_NUM is the file number + // containing the code, LINE_NUM is the line number in that file for + // the code, and COLUMN_NUM is the column number the code starts at, + // if we know it (0 otherwise). + virtual void AddLine(uint64 address, uint64 length, + uint32 file_num, uint32 line_num, uint32 column_num); + + private: + LineMap* linemap_; + std::vector* files_; + std::vector* dirs_; +}; + +class CUFunctionInfoHandler: public Dwarf2Handler { + public: + CUFunctionInfoHandler(std::vector* files, + std::vector* dirs, + LineMap* linemap, + FunctionMap* offset_to_funcinfo, + FunctionMap* address_to_funcinfo, + CULineInfoHandler* linehandler, + const SectionMap& sections, + ByteReader* reader) + : files_(files), dirs_(dirs), linemap_(linemap), + offset_to_funcinfo_(offset_to_funcinfo), + address_to_funcinfo_(address_to_funcinfo), + linehandler_(linehandler), sections_(sections), + reader_(reader), current_function_info_(NULL) { } + + virtual ~CUFunctionInfoHandler() { } + + // Start to process a compilation unit at OFFSET from the beginning of the + // .debug_info section. We want to see all compilation units, so we + // always return true. + + virtual bool StartCompilationUnit(uint64 offset, uint8 address_size, + uint8 offset_size, uint64 cu_length, + uint8 dwarf_version); + + // Start to process a DIE at OFFSET from the beginning of the + // .debug_info section. We only care about function related DIE's. + virtual bool StartDIE(uint64 offset, enum DwarfTag tag); + + // Called when we have an attribute with unsigned data to give to + // our handler. The attribute is for the DIE at OFFSET from the + // beginning of the .debug_info section, has a name of ATTR, a form of + // FORM, and the actual data of the attribute is in DATA. + virtual void ProcessAttributeUnsigned(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + + // Called when we have an attribute with a DIE reference to give to + // our handler. The attribute is for the DIE at OFFSET from the + // beginning of the .debug_info section, has a name of ATTR, a form of + // FORM, and the offset of the referenced DIE from the start of the + // .debug_info section is in DATA. + virtual void ProcessAttributeReference(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + + // Called when we have an attribute with string data to give to + // our handler. The attribute is for the DIE at OFFSET from the + // beginning of the .debug_info section, has a name of ATTR, a form of + // FORM, and the actual data of the attribute is in DATA. + virtual void ProcessAttributeString(uint64 offset, + enum DwarfAttribute attr, + enum DwarfForm form, + const string& data); + + // Called when finished processing the DIE at OFFSET. + // Because DWARF2/3 specifies a tree of DIEs, you may get starts + // before ends of the previous DIE, as we process children before + // ending the parent. + virtual void EndDIE(uint64 offset); + + private: + std::vector* files_; + std::vector* dirs_; + LineMap* linemap_; + FunctionMap* offset_to_funcinfo_; + FunctionMap* address_to_funcinfo_; + CULineInfoHandler* linehandler_; + const SectionMap& sections_; + ByteReader* reader_; + FunctionInfo* current_function_info_; + uint64 current_compilation_unit_offset_; +}; + +} // namespace dwarf2reader +#endif // COMMON_DWARF_FUNCTIONINFO_H__ diff --git a/google-breakpad/src/common/dwarf/line_state_machine.h b/google-breakpad/src/common/dwarf/line_state_machine.h new file mode 100644 index 0000000..0ff72ab --- /dev/null +++ b/google-breakpad/src/common/dwarf/line_state_machine.h @@ -0,0 +1,61 @@ +// Copyright 2008 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +#ifndef COMMON_DWARF_LINE_STATE_MACHINE_H__ +#define COMMON_DWARF_LINE_STATE_MACHINE_H__ + +namespace dwarf2reader { + +// This is the format of a DWARF2/3 line state machine that we process +// opcodes using. There is no need for anything outside the lineinfo +// processor to know how this works. +struct LineStateMachine { + void Reset(bool default_is_stmt) { + file_num = 1; + address = 0; + line_num = 1; + column_num = 0; + is_stmt = default_is_stmt; + basic_block = false; + end_sequence = false; + } + + uint32 file_num; + uint64 address; + uint32 line_num; + uint32 column_num; + bool is_stmt; // stmt means statement. + bool basic_block; + bool end_sequence; +}; + +} // namespace dwarf2reader + + +#endif // COMMON_DWARF_LINE_STATE_MACHINE_H__ diff --git a/google-breakpad/src/common/dwarf/types.h b/google-breakpad/src/common/dwarf/types.h new file mode 100644 index 0000000..61ca457 --- /dev/null +++ b/google-breakpad/src/common/dwarf/types.h @@ -0,0 +1,55 @@ +// Copyright 2008 Google, Inc. All Rights reserved +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +// This file contains some typedefs for basic types + + +#ifndef _COMMON_DWARF_TYPES_H__ +#define _COMMON_DWARF_TYPES_H__ + +#include + +typedef signed char int8; +typedef short int16; +typedef int int32; +typedef long long int64; + +typedef unsigned char uint8; +typedef unsigned short uint16; +typedef unsigned int uint32; +typedef unsigned long long uint64; + +#ifdef __PTRDIFF_TYPE__ +typedef __PTRDIFF_TYPE__ intptr; +typedef unsigned __PTRDIFF_TYPE__ uintptr; +#else +#error "Can't find pointer-sized integral types." +#endif + +#endif // _COMMON_DWARF_TYPES_H__ diff --git a/google-breakpad/src/common/dwarf_cfi_to_module.cc b/google-breakpad/src/common/dwarf_cfi_to_module.cc new file mode 100644 index 0000000..15904d7 --- /dev/null +++ b/google-breakpad/src/common/dwarf_cfi_to_module.cc @@ -0,0 +1,258 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// Implementation of google_breakpad::DwarfCFIToModule. +// See dwarf_cfi_to_module.h for details. + +#include + +#include "common/dwarf_cfi_to_module.h" + +namespace google_breakpad { + +using std::ostringstream; + +vector DwarfCFIToModule::RegisterNames::MakeVector( + const char * const *strings, + size_t size) { + vector names(strings, strings + size); + return names; +} + +vector DwarfCFIToModule::RegisterNames::I386() { + static const char *const names[] = { + "$eax", "$ecx", "$edx", "$ebx", "$esp", "$ebp", "$esi", "$edi", + "$eip", "$eflags", "$unused1", + "$st0", "$st1", "$st2", "$st3", "$st4", "$st5", "$st6", "$st7", + "$unused2", "$unused3", + "$xmm0", "$xmm1", "$xmm2", "$xmm3", "$xmm4", "$xmm5", "$xmm6", "$xmm7", + "$mm0", "$mm1", "$mm2", "$mm3", "$mm4", "$mm5", "$mm6", "$mm7", + "$fcw", "$fsw", "$mxcsr", + "$es", "$cs", "$ss", "$ds", "$fs", "$gs", "$unused4", "$unused5", + "$tr", "$ldtr" + }; + + return MakeVector(names, sizeof(names) / sizeof(names[0])); +} + +vector DwarfCFIToModule::RegisterNames::X86_64() { + static const char *const names[] = { + "$rax", "$rdx", "$rcx", "$rbx", "$rsi", "$rdi", "$rbp", "$rsp", + "$r8", "$r9", "$r10", "$r11", "$r12", "$r13", "$r14", "$r15", + "$rip", + "$xmm0","$xmm1","$xmm2", "$xmm3", "$xmm4", "$xmm5", "$xmm6", "$xmm7", + "$xmm8","$xmm9","$xmm10","$xmm11","$xmm12","$xmm13","$xmm14","$xmm15", + "$st0", "$st1", "$st2", "$st3", "$st4", "$st5", "$st6", "$st7", + "$mm0", "$mm1", "$mm2", "$mm3", "$mm4", "$mm5", "$mm6", "$mm7", + "$rflags", + "$es", "$cs", "$ss", "$ds", "$fs", "$gs", "$unused1", "$unused2", + "$fs.base", "$gs.base", "$unused3", "$unused4", + "$tr", "$ldtr", + "$mxcsr", "$fcw", "$fsw" + }; + + return MakeVector(names, sizeof(names) / sizeof(names[0])); +} + +// Per ARM IHI 0040A, section 3.1 +vector DwarfCFIToModule::RegisterNames::ARM() { + static const char *const names[] = { + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", + "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc", + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", + "fps", "cpsr", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", + "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", + "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", + "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7" + }; + + return MakeVector(names, sizeof(names) / sizeof(names[0])); +} + +bool DwarfCFIToModule::Entry(size_t offset, uint64 address, uint64 length, + uint8 version, const string &augmentation, + unsigned return_address) { + assert(!entry_); + + // If dwarf2reader::CallFrameInfo can handle this version and + // augmentation, then we should be okay with that, so there's no + // need to check them here. + + // Get ready to collect entries. + entry_ = new Module::StackFrameEntry; + entry_->address = address; + entry_->size = length; + entry_offset_ = offset; + return_address_ = return_address; + + // Breakpad STACK CFI records must provide a .ra rule, but DWARF CFI + // may not establish any rule for .ra if the return address column + // is an ordinary register, and that register holds the return + // address on entry to the function. So establish an initial .ra + // rule citing the return address register. + if (return_address_ < register_names_.size()) + entry_->initial_rules[ra_name_] = register_names_[return_address_]; + + return true; +} + +string DwarfCFIToModule::RegisterName(int i) { + assert(entry_); + if (i < 0) { + assert(i == kCFARegister); + return cfa_name_; + } + unsigned reg = i; + if (reg == return_address_) + return ra_name_; + + // Ensure that a non-empty name exists for this register value. + if (reg < register_names_.size() && !register_names_[reg].empty()) + return register_names_[reg]; + + reporter_->UnnamedRegister(entry_offset_, reg); + char buf[30]; + sprintf(buf, "unnamed_register%u", reg); + return buf; +} + +void DwarfCFIToModule::Record(Module::Address address, int reg, + const string &rule) { + assert(entry_); + + // Place the name in our global set of strings, and then use the string + // from the set. Even though the assignment looks like a copy, all the + // major std::string implementations use reference counting internally, + // so the effect is to have all our data structures share copies of rules + // whenever possible. Since register names are drawn from a + // vector, register names are already shared. + string shared_rule = *common_strings_.insert(rule).first; + + // Is this one of this entry's initial rules? + if (address == entry_->address) + entry_->initial_rules[RegisterName(reg)] = shared_rule; + // File it under the appropriate address. + else + entry_->rule_changes[address][RegisterName(reg)] = shared_rule; +} + +bool DwarfCFIToModule::UndefinedRule(uint64 address, int reg) { + reporter_->UndefinedNotSupported(entry_offset_, RegisterName(reg)); + // Treat this as a non-fatal error. + return true; +} + +bool DwarfCFIToModule::SameValueRule(uint64 address, int reg) { + ostringstream s; + s << RegisterName(reg); + Record(address, reg, s.str()); + return true; +} + +bool DwarfCFIToModule::OffsetRule(uint64 address, int reg, + int base_register, long offset) { + ostringstream s; + s << RegisterName(base_register) << " " << offset << " + ^"; + Record(address, reg, s.str()); + return true; +} + +bool DwarfCFIToModule::ValOffsetRule(uint64 address, int reg, + int base_register, long offset) { + ostringstream s; + s << RegisterName(base_register) << " " << offset << " +"; + Record(address, reg, s.str()); + return true; +} + +bool DwarfCFIToModule::RegisterRule(uint64 address, int reg, + int base_register) { + ostringstream s; + s << RegisterName(base_register); + Record(address, reg, s.str()); + return true; +} + +bool DwarfCFIToModule::ExpressionRule(uint64 address, int reg, + const string &expression) { + reporter_->ExpressionsNotSupported(entry_offset_, RegisterName(reg)); + // Treat this as a non-fatal error. + return true; +} + +bool DwarfCFIToModule::ValExpressionRule(uint64 address, int reg, + const string &expression) { + reporter_->ExpressionsNotSupported(entry_offset_, RegisterName(reg)); + // Treat this as a non-fatal error. + return true; +} + +bool DwarfCFIToModule::End() { + module_->AddStackFrameEntry(entry_); + entry_ = NULL; + return true; +} + +void DwarfCFIToModule::Reporter::UnnamedRegister(size_t offset, int reg) { + fprintf(stderr, "%s, section '%s': " + "the call frame entry at offset 0x%zx refers to register %d," + " whose name we don't know\n", + file_.c_str(), section_.c_str(), offset, reg); +} + +void DwarfCFIToModule::Reporter::UndefinedNotSupported(size_t offset, + const string ®) { + fprintf(stderr, "%s, section '%s': " + "the call frame entry at offset 0x%zx sets the rule for " + "register '%s' to 'undefined', but the Breakpad symbol file format" + " cannot express this\n", + file_.c_str(), section_.c_str(), offset, reg.c_str()); +} + +void DwarfCFIToModule::Reporter::ExpressionsNotSupported(size_t offset, + const string ®) { + fprintf(stderr, "%s, section '%s': " + "the call frame entry at offset 0x%zx uses a DWARF expression to" + " describe how to recover register '%s', " + " but this translator cannot yet translate DWARF expressions to" + " Breakpad postfix expressions\n", + file_.c_str(), section_.c_str(), offset, reg.c_str()); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/dwarf_cfi_to_module.h b/google-breakpad/src/common/dwarf_cfi_to_module.h new file mode 100644 index 0000000..7db552a --- /dev/null +++ b/google-breakpad/src/common/dwarf_cfi_to_module.h @@ -0,0 +1,196 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf_cfi_to_module.h: Define the DwarfCFIToModule class, which +// accepts parsed DWARF call frame info and adds it to a +// google_breakpad::Module object, which can write that information to +// a Breakpad symbol file. + +#ifndef COMMON_LINUX_DWARF_CFI_TO_MODULE_H +#define COMMON_LINUX_DWARF_CFI_TO_MODULE_H + +#include +#include + +#include +#include +#include + +#include "common/module.h" +#include "common/dwarf/dwarf2reader.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +using dwarf2reader::CallFrameInfo; +using google_breakpad::Module; +using std::set; +using std::vector; + +// A class that accepts parsed call frame information from the DWARF +// CFI parser and populates a google_breakpad::Module object with the +// contents. +class DwarfCFIToModule: public CallFrameInfo::Handler { + public: + + // DwarfCFIToModule uses an instance of this class to report errors + // detected while converting DWARF CFI to Breakpad STACK CFI records. + class Reporter { + public: + // Create a reporter that writes messages to the standard error + // stream. FILE is the name of the file we're processing, and + // SECTION is the name of the section within that file that we're + // looking at (.debug_frame, .eh_frame, etc.). + Reporter(const string &file, const string §ion) + : file_(file), section_(section) { } + virtual ~Reporter() { } + + // The DWARF CFI entry at OFFSET cites register REG, but REG is not + // covered by the vector of register names passed to the + // DwarfCFIToModule constructor, nor does it match the return + // address column number for this entry. + virtual void UnnamedRegister(size_t offset, int reg); + + // The DWARF CFI entry at OFFSET says that REG is undefined, but the + // Breakpad symbol file format cannot express this. + virtual void UndefinedNotSupported(size_t offset, const string ®); + + // The DWARF CFI entry at OFFSET says that REG uses a DWARF + // expression to find its value, but DwarfCFIToModule is not + // capable of translating DWARF expressions to Breakpad postfix + // expressions. + virtual void ExpressionsNotSupported(size_t offset, const string ®); + + protected: + string file_, section_; + }; + + // Register name tables. If TABLE is a vector returned by one of these + // functions, then TABLE[R] is the name of the register numbered R in + // DWARF call frame information. + class RegisterNames { + public: + // Intel's "x86" or IA-32. + static vector I386(); + + // AMD x86_64, AMD64, Intel EM64T, or Intel 64 + static vector X86_64(); + + // ARM. + static vector ARM(); + + private: + // Given STRINGS, an array of C strings with SIZE elements, return an + // equivalent vector. + static vector MakeVector(const char * const *strings, size_t size); + }; + + // Create a handler for the dwarf2reader::CallFrameInfo parser that + // records the stack unwinding information it receives in MODULE. + // + // Use REGISTER_NAMES[I] as the name of register number I; *this + // keeps a reference to the vector, so the vector should remain + // alive for as long as the DwarfCFIToModule does. + // + // Use REPORTER for reporting problems encountered in the conversion + // process. + DwarfCFIToModule(Module *module, const vector ®ister_names, + Reporter *reporter) + : module_(module), register_names_(register_names), reporter_(reporter), + entry_(NULL), return_address_(-1), cfa_name_(".cfa"), ra_name_(".ra") { + } + virtual ~DwarfCFIToModule() { delete entry_; } + + virtual bool Entry(size_t offset, uint64 address, uint64 length, + uint8 version, const string &augmentation, + unsigned return_address); + virtual bool UndefinedRule(uint64 address, int reg); + virtual bool SameValueRule(uint64 address, int reg); + virtual bool OffsetRule(uint64 address, int reg, + int base_register, long offset); + virtual bool ValOffsetRule(uint64 address, int reg, + int base_register, long offset); + virtual bool RegisterRule(uint64 address, int reg, int base_register); + virtual bool ExpressionRule(uint64 address, int reg, + const string &expression); + virtual bool ValExpressionRule(uint64 address, int reg, + const string &expression); + virtual bool End(); + + private: + // Return the name to use for register REG. + string RegisterName(int i); + + // Record RULE for register REG at ADDRESS. + void Record(Module::Address address, int reg, const string &rule); + + // The module to which we should add entries. + Module *module_; + + // Map from register numbers to register names. + const vector ®ister_names_; + + // The reporter to use to report problems. + Reporter *reporter_; + + // The current entry we're constructing. + Module::StackFrameEntry *entry_; + + // The section offset of the current frame description entry, for + // use in error messages. + size_t entry_offset_; + + // The return address column for that entry. + unsigned return_address_; + + // The names of the return address and canonical frame address. Putting + // these here instead of using string literals allows us to share their + // texts in reference-counted std::string implementations (all the + // popular ones). Many, many rules cite these strings. + string cfa_name_, ra_name_; + + // A set of strings used by this CFI. Before storing a string in one of + // our data structures, insert it into this set, and then use the string + // from the set. + // + // Because std::string uses reference counting internally, simply using + // strings from this set, even if passed by value, assigned, or held + // directly in structures and containers (map, for example), + // causes those strings to share a single instance of each distinct piece + // of text. + set common_strings_; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_DWARF_CFI_TO_MODULE_H diff --git a/google-breakpad/src/common/dwarf_cfi_to_module_unittest.cc b/google-breakpad/src/common/dwarf_cfi_to_module_unittest.cc new file mode 100644 index 0000000..807d1b2 --- /dev/null +++ b/google-breakpad/src/common/dwarf_cfi_to_module_unittest.cc @@ -0,0 +1,306 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf_cfi_to_module_unittest.cc: Tests for google_breakpad::DwarfCFIToModule. + +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/dwarf_cfi_to_module.h" +#include "common/using_std_string.h" + +using std::vector; + +using google_breakpad::Module; +using google_breakpad::DwarfCFIToModule; +using testing::ContainerEq; +using testing::Test; +using testing::_; + +struct MockCFIReporter: public DwarfCFIToModule::Reporter { + MockCFIReporter(const string &file, const string §ion) + : Reporter(file, section) { } + MOCK_METHOD2(UnnamedRegister, void(size_t offset, int reg)); + MOCK_METHOD2(UndefinedNotSupported, void(size_t offset, const string ®)); + MOCK_METHOD2(ExpressionsNotSupported, void(size_t offset, const string ®)); +}; + +struct DwarfCFIToModuleFixture { + DwarfCFIToModuleFixture() + : module("module name", "module os", "module arch", "module id"), + reporter("reporter file", "reporter section"), + handler(&module, register_names, &reporter) { + register_names.push_back("reg0"); + register_names.push_back("reg1"); + register_names.push_back("reg2"); + register_names.push_back("reg3"); + register_names.push_back("reg4"); + register_names.push_back("reg5"); + register_names.push_back("reg6"); + register_names.push_back("reg7"); + register_names.push_back("sp"); + register_names.push_back("pc"); + register_names.push_back(""); + + EXPECT_CALL(reporter, UnnamedRegister(_, _)).Times(0); + EXPECT_CALL(reporter, UndefinedNotSupported(_, _)).Times(0); + EXPECT_CALL(reporter, ExpressionsNotSupported(_, _)).Times(0); + } + + Module module; + vector register_names; + MockCFIReporter reporter; + DwarfCFIToModule handler; + vector entries; +}; + +class Entry: public DwarfCFIToModuleFixture, public Test { }; + +TEST_F(Entry, Accept) { + ASSERT_TRUE(handler.Entry(0x3b8961b8, 0xa21069698096fc98ULL, + 0xb440ce248169c8d6ULL, 3, "", 0xea93c106)); + ASSERT_TRUE(handler.End()); + module.GetStackFrameEntries(&entries); + EXPECT_EQ(1U, entries.size()); + EXPECT_EQ(0xa21069698096fc98ULL, entries[0]->address); + EXPECT_EQ(0xb440ce248169c8d6ULL, entries[0]->size); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Entry, AcceptOldVersion) { + ASSERT_TRUE(handler.Entry(0xeb60e0fc, 0x75b8806bb09eab78ULL, + 0xc771f44958d40bbcULL, 1, "", 0x093c945e)); + ASSERT_TRUE(handler.End()); + module.GetStackFrameEntries(&entries); + EXPECT_EQ(1U, entries.size()); + EXPECT_EQ(0x75b8806bb09eab78ULL, entries[0]->address); + EXPECT_EQ(0xc771f44958d40bbcULL, entries[0]->size); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +struct RuleFixture: public DwarfCFIToModuleFixture { + RuleFixture() : DwarfCFIToModuleFixture() { + entry_address = 0x89327ebf86b47492ULL; + entry_size = 0x2f8cd573072fe02aULL; + return_reg = 0x7886a346; + } + void StartEntry() { + ASSERT_TRUE(handler.Entry(0x4445c05c, entry_address, entry_size, + 3, "", return_reg)); + } + void CheckEntry() { + module.GetStackFrameEntries(&entries); + EXPECT_EQ(1U, entries.size()); + EXPECT_EQ(entry_address, entries[0]->address); + EXPECT_EQ(entry_size, entries[0]->size); + } + uint64 entry_address, entry_size; + unsigned return_reg; +}; + +class Rule: public RuleFixture, public Test { }; + +TEST_F(Rule, UndefinedRule) { + EXPECT_CALL(reporter, UndefinedNotSupported(_, "reg7")); + StartEntry(); + ASSERT_TRUE(handler.UndefinedRule(entry_address, 7)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, RegisterWithEmptyName) { + EXPECT_CALL(reporter, UnnamedRegister(_, 10)); + EXPECT_CALL(reporter, UndefinedNotSupported(_, "unnamed_register10")); + StartEntry(); + ASSERT_TRUE(handler.UndefinedRule(entry_address, 10)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, SameValueRule) { + StartEntry(); + ASSERT_TRUE(handler.SameValueRule(entry_address, 6)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + Module::RuleMap expected_initial; + expected_initial["reg6"] = "reg6"; + EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial)); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, OffsetRule) { + StartEntry(); + ASSERT_TRUE(handler.OffsetRule(entry_address + 1, return_reg, + DwarfCFIToModule::kCFARegister, + 16927065)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + Module::RuleChangeMap expected_changes; + expected_changes[entry_address + 1][".ra"] = ".cfa 16927065 + ^"; + EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes)); +} + +TEST_F(Rule, OffsetRuleNegative) { + StartEntry(); + ASSERT_TRUE(handler.OffsetRule(entry_address + 1, + DwarfCFIToModule::kCFARegister, 4, -34530721)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + Module::RuleChangeMap expected_changes; + expected_changes[entry_address + 1][".cfa"] = "reg4 -34530721 + ^"; + EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes)); +} + +TEST_F(Rule, ValOffsetRule) { + // Use an unnamed register number, to exercise that branch of RegisterName. + EXPECT_CALL(reporter, UnnamedRegister(_, 11)); + StartEntry(); + ASSERT_TRUE(handler.ValOffsetRule(entry_address + 0x5ab7, + DwarfCFIToModule::kCFARegister, + 11, 61812979)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + Module::RuleChangeMap expected_changes; + expected_changes[entry_address + 0x5ab7][".cfa"] = + "unnamed_register11 61812979 +"; + EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes)); +} + +TEST_F(Rule, RegisterRule) { + StartEntry(); + ASSERT_TRUE(handler.RegisterRule(entry_address, return_reg, 3)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + Module::RuleMap expected_initial; + expected_initial[".ra"] = "reg3"; + EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial)); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, ExpressionRule) { + EXPECT_CALL(reporter, ExpressionsNotSupported(_, "reg2")); + StartEntry(); + ASSERT_TRUE(handler.ExpressionRule(entry_address + 0xf326, 2, + "it takes two to tango")); + ASSERT_TRUE(handler.End()); + CheckEntry(); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, ValExpressionRule) { + EXPECT_CALL(reporter, ExpressionsNotSupported(_, "reg0")); + StartEntry(); + ASSERT_TRUE(handler.ValExpressionRule(entry_address + 0x6367, 0, + "bit off more than he could chew")); + ASSERT_TRUE(handler.End()); + CheckEntry(); + EXPECT_EQ(0U, entries[0]->initial_rules.size()); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, DefaultReturnAddressRule) { + return_reg = 2; + StartEntry(); + ASSERT_TRUE(handler.RegisterRule(entry_address, 0, 1)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + Module::RuleMap expected_initial; + expected_initial[".ra"] = "reg2"; + expected_initial["reg0"] = "reg1"; + EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial)); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, DefaultReturnAddressRuleOverride) { + return_reg = 2; + StartEntry(); + ASSERT_TRUE(handler.RegisterRule(entry_address, return_reg, 1)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + Module::RuleMap expected_initial; + expected_initial[".ra"] = "reg1"; + EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial)); + EXPECT_EQ(0U, entries[0]->rule_changes.size()); +} + +TEST_F(Rule, DefaultReturnAddressRuleLater) { + return_reg = 2; + StartEntry(); + ASSERT_TRUE(handler.RegisterRule(entry_address + 1, return_reg, 1)); + ASSERT_TRUE(handler.End()); + CheckEntry(); + Module::RuleMap expected_initial; + expected_initial[".ra"] = "reg2"; + EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial)); + Module::RuleChangeMap expected_changes; + expected_changes[entry_address + 1][".ra"] = "reg1"; + EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes)); +} + +TEST(RegisterNames, I386) { + vector names = DwarfCFIToModule::RegisterNames::I386(); + + EXPECT_EQ("$eax", names[0]); + EXPECT_EQ("$ecx", names[1]); + EXPECT_EQ("$esp", names[4]); + EXPECT_EQ("$eip", names[8]); +} + +TEST(RegisterNames, ARM) { + vector names = DwarfCFIToModule::RegisterNames::ARM(); + + EXPECT_EQ("r0", names[0]); + EXPECT_EQ("r10", names[10]); + EXPECT_EQ("sp", names[13]); + EXPECT_EQ("lr", names[14]); + EXPECT_EQ("pc", names[15]); +} + +TEST(RegisterNames, X86_64) { + vector names = DwarfCFIToModule::RegisterNames::X86_64(); + + EXPECT_EQ("$rax", names[0]); + EXPECT_EQ("$rdx", names[1]); + EXPECT_EQ("$rbp", names[6]); + EXPECT_EQ("$rsp", names[7]); + EXPECT_EQ("$rip", names[16]); +} diff --git a/google-breakpad/src/common/dwarf_cu_to_module.cc b/google-breakpad/src/common/dwarf_cu_to_module.cc new file mode 100644 index 0000000..8246daf --- /dev/null +++ b/google-breakpad/src/common/dwarf_cu_to_module.cc @@ -0,0 +1,1054 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// Implement the DwarfCUToModule class; see dwarf_cu_to_module.h. + +// For PRI* macros, before anything else might #include it. +#ifndef __STDC_FORMAT_MACROS +#define __STDC_FORMAT_MACROS +#endif /* __STDC_FORMAT_MACROS */ + +#include "common/dwarf_cu_to_module.h" + +#include +#if !defined(__ANDROID__) +#include +#endif +#include +#include + +#include +#include +#include + +#include "common/dwarf_line_to_module.h" + +namespace google_breakpad { + +using std::map; +using std::pair; +using std::set; +using std::sort; +using std::vector; + +// Data provided by a DWARF specification DIE. +// +// In DWARF, the DIE for a definition may contain a DW_AT_specification +// attribute giving the offset of the corresponding declaration DIE, and +// the definition DIE may omit information given in the declaration. For +// example, it's common for a function's address range to appear only in +// its definition DIE, but its name to appear only in its declaration +// DIE. +// +// The dumper needs to be able to follow DW_AT_specification links to +// bring all this information together in a FUNC record. Conveniently, +// DIEs that are the target of such links have a DW_AT_declaration flag +// set, so we can identify them when we first see them, and record their +// contents for later reference. +// +// A Specification holds information gathered from a declaration DIE that +// we may need if we find a DW_AT_specification link pointing to it. +struct DwarfCUToModule::Specification { + // The qualified name that can be found by demangling DW_AT_MIPS_linkage_name. + string qualified_name; + + // The name of the enclosing scope, or the empty string if there is none. + string enclosing_name; + + // The name for the specification DIE itself, without any enclosing + // name components. + string unqualified_name; +}; + +// An abstract origin -- base definition of an inline function. +struct AbstractOrigin { + AbstractOrigin() : name() {} + explicit AbstractOrigin(const string& name) : name(name) {} + + string name; +}; + +typedef map AbstractOriginByOffset; + +// Data global to the DWARF-bearing file that is private to the +// DWARF-to-Module process. +struct DwarfCUToModule::FilePrivate { + // A set of strings used in this CU. Before storing a string in one of + // our data structures, insert it into this set, and then use the string + // from the set. + // + // In some STL implementations, strings are reference-counted internally, + // meaning that simply using strings from this set, even if passed by + // value, assigned, or held directly in structures and containers + // (map, for example), causes those strings to share a + // single instance of each distinct piece of text. GNU's libstdc++ uses + // reference counts, and I believe MSVC did as well, at some point. + // However, C++ '11 implementations are moving away from reference + // counting. + // + // In other implementations, string assignments copy the string's text, + // so this set will actually hold yet another copy of the string (although + // everything will still work). To improve memory consumption portably, + // we will probably need to use pointers to strings held in this set. + set common_strings; + + // A map from offsets of DIEs within the .debug_info section to + // Specifications describing those DIEs. Specification references can + // cross compilation unit boundaries. + SpecificationByOffset specifications; + + AbstractOriginByOffset origins; +}; + +DwarfCUToModule::FileContext::FileContext(const string &filename, + Module *module, + bool handle_inter_cu_refs) + : filename_(filename), + module_(module), + handle_inter_cu_refs_(handle_inter_cu_refs), + file_private_(new FilePrivate()) { +} + +DwarfCUToModule::FileContext::~FileContext() { +} + +void DwarfCUToModule::FileContext::AddSectionToSectionMap( + const string& name, const char* contents, uint64 length) { + section_map_[name] = std::make_pair(contents, length); +} + +void DwarfCUToModule::FileContext::ClearSectionMapForTest() { + section_map_.clear(); +} + +const dwarf2reader::SectionMap& +DwarfCUToModule::FileContext::section_map() const { + return section_map_; +} + +void DwarfCUToModule::FileContext::ClearSpecifications() { + if (!handle_inter_cu_refs_) + file_private_->specifications.clear(); +} + +bool DwarfCUToModule::FileContext::IsUnhandledInterCUReference( + uint64 offset, uint64 compilation_unit_start) const { + if (handle_inter_cu_refs_) + return false; + return offset < compilation_unit_start; +} + +// Information global to the particular compilation unit we're +// parsing. This is for data shared across the CU's entire DIE tree, +// and parameters from the code invoking the CU parser. +struct DwarfCUToModule::CUContext { + CUContext(FileContext *file_context_arg, WarningReporter *reporter_arg) + : file_context(file_context_arg), + reporter(reporter_arg), + language(Language::CPlusPlus) {} + + ~CUContext() { + for (vector::iterator it = functions.begin(); + it != functions.end(); ++it) { + delete *it; + } + }; + + // The DWARF-bearing file into which this CU was incorporated. + FileContext *file_context; + + // For printing error messages. + WarningReporter *reporter; + + // The source language of this compilation unit. + const Language *language; + + // The functions defined in this compilation unit. We accumulate + // them here during parsing. Then, in DwarfCUToModule::Finish, we + // assign them lines and add them to file_context->module. + // + // Destroying this destroys all the functions this vector points to. + vector functions; +}; + +// Information about the context of a particular DIE. This is for +// information that changes as we descend the tree towards the leaves: +// the containing classes/namespaces, etc. +struct DwarfCUToModule::DIEContext { + // The fully-qualified name of the context. For example, for a + // tree like: + // + // DW_TAG_namespace Foo + // DW_TAG_class Bar + // DW_TAG_subprogram Baz + // + // in a C++ compilation unit, the DIEContext's name for the + // DW_TAG_subprogram DIE would be "Foo::Bar". The DIEContext's + // name for the DW_TAG_namespace DIE would be "". + string name; +}; + +// An abstract base class for all the dumper's DIE handlers. +class DwarfCUToModule::GenericDIEHandler: public dwarf2reader::DIEHandler { + public: + // Create a handler for the DIE at OFFSET whose compilation unit is + // described by CU_CONTEXT, and whose immediate context is described + // by PARENT_CONTEXT. + GenericDIEHandler(CUContext *cu_context, DIEContext *parent_context, + uint64 offset) + : cu_context_(cu_context), + parent_context_(parent_context), + offset_(offset), + declaration_(false), + specification_(NULL) { } + + // Derived classes' ProcessAttributeUnsigned can defer to this to + // handle DW_AT_declaration, or simply not override it. + void ProcessAttributeUnsigned(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + + // Derived classes' ProcessAttributeReference can defer to this to + // handle DW_AT_specification, or simply not override it. + void ProcessAttributeReference(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + + // Derived classes' ProcessAttributeReference can defer to this to + // handle DW_AT_specification, or simply not override it. + void ProcessAttributeString(enum DwarfAttribute attr, + enum DwarfForm form, + const string &data); + + protected: + // Compute and return the fully-qualified name of the DIE. If this + // DIE is a declaration DIE, to be cited by other DIEs' + // DW_AT_specification attributes, record its enclosing name and + // unqualified name in the specification table. + // + // Use this from EndAttributes member functions, not ProcessAttribute* + // functions; only the former can be sure that all the DIE's attributes + // have been seen. + string ComputeQualifiedName(); + + CUContext *cu_context_; + DIEContext *parent_context_; + uint64 offset_; + + // Place the name in the global set of strings. Even though this looks + // like a copy, all the major std::string implementations use reference + // counting internally, so the effect is to have all the data structures + // share copies of strings whenever possible. + // FIXME: Should this return something like a string_ref to avoid the + // assumption about how strings are implemented? + string AddStringToPool(const string &str); + + // If this DIE has a DW_AT_declaration attribute, this is its value. + // It is false on DIEs with no DW_AT_declaration attribute. + bool declaration_; + + // If this DIE has a DW_AT_specification attribute, this is the + // Specification structure for the DIE the attribute refers to. + // Otherwise, this is NULL. + Specification *specification_; + + // The value of the DW_AT_name attribute, or the empty string if the + // DIE has no such attribute. + string name_attribute_; + + // The demangled value of the DW_AT_MIPS_linkage_name attribute, or the empty + // string if the DIE has no such attribute or its content could not be + // demangled. + string demangled_name_; +}; + +void DwarfCUToModule::GenericDIEHandler::ProcessAttributeUnsigned( + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + switch (attr) { + case dwarf2reader::DW_AT_declaration: declaration_ = (data != 0); break; + default: break; + } +} + +void DwarfCUToModule::GenericDIEHandler::ProcessAttributeReference( + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + switch (attr) { + case dwarf2reader::DW_AT_specification: { + FileContext *file_context = cu_context_->file_context; + if (file_context->IsUnhandledInterCUReference( + data, cu_context_->reporter->cu_offset())) { + cu_context_->reporter->UnhandledInterCUReference(offset_, data); + break; + } + // Find the Specification to which this attribute refers, and + // set specification_ appropriately. We could do more processing + // here, but it's better to leave the real work to our + // EndAttribute member function, at which point we know we have + // seen all the DIE's attributes. + SpecificationByOffset *specifications = + &file_context->file_private_->specifications; + SpecificationByOffset::iterator spec = specifications->find(data); + if (spec != specifications->end()) { + specification_ = &spec->second; + } else { + // Technically, there's no reason a DW_AT_specification + // couldn't be a forward reference, but supporting that would + // be a lot of work (changing to a two-pass structure), and I + // don't think any producers we care about ever emit such + // things. + cu_context_->reporter->UnknownSpecification(offset_, data); + } + break; + } + default: break; + } +} + +string DwarfCUToModule::GenericDIEHandler::AddStringToPool(const string &str) { + pair::iterator, bool> result = + cu_context_->file_context->file_private_->common_strings.insert(str); + return *result.first; +} + +void DwarfCUToModule::GenericDIEHandler::ProcessAttributeString( + enum DwarfAttribute attr, + enum DwarfForm form, + const string &data) { + switch (attr) { + case dwarf2reader::DW_AT_name: + name_attribute_ = AddStringToPool(data); + break; + case dwarf2reader::DW_AT_MIPS_linkage_name: { + char* demangled = NULL; +#if !defined(__ANDROID__) + demangled = abi::__cxa_demangle(data.c_str(), NULL, NULL, NULL); +#endif + if (demangled) { + demangled_name_ = AddStringToPool(demangled); + free(reinterpret_cast(demangled)); + } + break; + } + default: break; + } +} + +string DwarfCUToModule::GenericDIEHandler::ComputeQualifiedName() { + // Use the demangled name, if one is available. Demangled names are + // preferable to those inferred from the DWARF structure because they + // include argument types. + const string *qualified_name = NULL; + if (!demangled_name_.empty()) { + // Found it is this DIE. + qualified_name = &demangled_name_; + } else if (specification_ && !specification_->qualified_name.empty()) { + // Found it on the specification. + qualified_name = &specification_->qualified_name; + } + + const string *unqualified_name; + const string *enclosing_name; + if (!qualified_name) { + // Find our unqualified name. If the DIE has its own DW_AT_name + // attribute, then use that; otherwise, check our specification. + if (name_attribute_.empty() && specification_) + unqualified_name = &specification_->unqualified_name; + else + unqualified_name = &name_attribute_; + + // Find the name of our enclosing context. If we have a + // specification, it's the specification's enclosing context that + // counts; otherwise, use this DIE's context. + if (specification_) + enclosing_name = &specification_->enclosing_name; + else + enclosing_name = &parent_context_->name; + } + + // If this DIE was marked as a declaration, record its names in the + // specification table. + if (declaration_) { + Specification spec; + if (qualified_name) { + spec.qualified_name = *qualified_name; + } else { + spec.enclosing_name = *enclosing_name; + spec.unqualified_name = *unqualified_name; + } + cu_context_->file_context->file_private_->specifications[offset_] = spec; + } + + if (qualified_name) + return *qualified_name; + + // Combine the enclosing name and unqualified name to produce our + // own fully-qualified name. + return cu_context_->language->MakeQualifiedName(*enclosing_name, + *unqualified_name); +} + +// A handler class for DW_TAG_subprogram DIEs. +class DwarfCUToModule::FuncHandler: public GenericDIEHandler { + public: + FuncHandler(CUContext *cu_context, DIEContext *parent_context, + uint64 offset) + : GenericDIEHandler(cu_context, parent_context, offset), + low_pc_(0), high_pc_(0), high_pc_form_(dwarf2reader::DW_FORM_addr), + abstract_origin_(NULL), inline_(false) { } + void ProcessAttributeUnsigned(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + void ProcessAttributeSigned(enum DwarfAttribute attr, + enum DwarfForm form, + int64 data); + void ProcessAttributeReference(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + + bool EndAttributes(); + void Finish(); + + private: + // The fully-qualified name, as derived from name_attribute_, + // specification_, parent_context_. Computed in EndAttributes. + string name_; + uint64 low_pc_, high_pc_; // DW_AT_low_pc, DW_AT_high_pc + DwarfForm high_pc_form_; // DW_AT_high_pc can be length or address. + const AbstractOrigin* abstract_origin_; + bool inline_; +}; + +void DwarfCUToModule::FuncHandler::ProcessAttributeUnsigned( + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + switch (attr) { + // If this attribute is present at all --- even if its value is + // DW_INL_not_inlined --- then GCC may cite it as someone else's + // DW_AT_abstract_origin attribute. + case dwarf2reader::DW_AT_inline: inline_ = true; break; + + case dwarf2reader::DW_AT_low_pc: low_pc_ = data; break; + case dwarf2reader::DW_AT_high_pc: + high_pc_form_ = form; + high_pc_ = data; + break; + + default: + GenericDIEHandler::ProcessAttributeUnsigned(attr, form, data); + break; + } +} + +void DwarfCUToModule::FuncHandler::ProcessAttributeSigned( + enum DwarfAttribute attr, + enum DwarfForm form, + int64 data) { + switch (attr) { + // If this attribute is present at all --- even if its value is + // DW_INL_not_inlined --- then GCC may cite it as someone else's + // DW_AT_abstract_origin attribute. + case dwarf2reader::DW_AT_inline: inline_ = true; break; + + default: + break; + } +} + +void DwarfCUToModule::FuncHandler::ProcessAttributeReference( + enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + switch (attr) { + case dwarf2reader::DW_AT_abstract_origin: { + const AbstractOriginByOffset& origins = + cu_context_->file_context->file_private_->origins; + AbstractOriginByOffset::const_iterator origin = origins.find(data); + if (origin != origins.end()) { + abstract_origin_ = &(origin->second); + } else { + cu_context_->reporter->UnknownAbstractOrigin(offset_, data); + } + break; + } + default: + GenericDIEHandler::ProcessAttributeReference(attr, form, data); + break; + } +} + +bool DwarfCUToModule::FuncHandler::EndAttributes() { + // Compute our name, and record a specification, if appropriate. + name_ = ComputeQualifiedName(); + if (name_.empty() && abstract_origin_) { + name_ = abstract_origin_->name; + } + return true; +} + +void DwarfCUToModule::FuncHandler::Finish() { + // Make high_pc_ an address, if it isn't already. + if (high_pc_form_ != dwarf2reader::DW_FORM_addr) { + high_pc_ += low_pc_; + } + + // Did we collect the information we need? Not all DWARF function + // entries have low and high addresses (for example, inlined + // functions that were never used), but all the ones we're + // interested in cover a non-empty range of bytes. + if (low_pc_ < high_pc_) { + // Create a Module::Function based on the data we've gathered, and + // add it to the functions_ list. + Module::Function *func = new Module::Function; + // Malformed DWARF may omit the name, but all Module::Functions must + // have names. + if (!name_.empty()) { + func->name = name_; + } else { + cu_context_->reporter->UnnamedFunction(offset_); + func->name = ""; + } + func->address = low_pc_; + func->size = high_pc_ - low_pc_; + func->parameter_size = 0; + if (func->address) { + // If the function address is zero this is a sign that this function + // description is just empty debug data and should just be discarded. + cu_context_->functions.push_back(func); + } + } else if (inline_) { + AbstractOrigin origin(name_); + cu_context_->file_context->file_private_->origins[offset_] = origin; + } +} + +// A handler for DIEs that contain functions and contribute a +// component to their names: namespaces, classes, etc. +class DwarfCUToModule::NamedScopeHandler: public GenericDIEHandler { + public: + NamedScopeHandler(CUContext *cu_context, DIEContext *parent_context, + uint64 offset) + : GenericDIEHandler(cu_context, parent_context, offset) { } + bool EndAttributes(); + DIEHandler *FindChildHandler(uint64 offset, enum DwarfTag tag); + + private: + DIEContext child_context_; // A context for our children. +}; + +bool DwarfCUToModule::NamedScopeHandler::EndAttributes() { + child_context_.name = ComputeQualifiedName(); + return true; +} + +dwarf2reader::DIEHandler *DwarfCUToModule::NamedScopeHandler::FindChildHandler( + uint64 offset, + enum DwarfTag tag) { + switch (tag) { + case dwarf2reader::DW_TAG_subprogram: + return new FuncHandler(cu_context_, &child_context_, offset); + case dwarf2reader::DW_TAG_namespace: + case dwarf2reader::DW_TAG_class_type: + case dwarf2reader::DW_TAG_structure_type: + case dwarf2reader::DW_TAG_union_type: + return new NamedScopeHandler(cu_context_, &child_context_, offset); + default: + return NULL; + } +} + +void DwarfCUToModule::WarningReporter::CUHeading() { + if (printed_cu_header_) + return; + fprintf(stderr, "%s: in compilation unit '%s' (offset 0x%llx):\n", + filename_.c_str(), cu_name_.c_str(), cu_offset_); + printed_cu_header_ = true; +} + +void DwarfCUToModule::WarningReporter::UnknownSpecification(uint64 offset, + uint64 target) { + CUHeading(); + fprintf(stderr, "%s: the DIE at offset 0x%llx has a DW_AT_specification" + " attribute referring to the die at offset 0x%llx, which either" + " was not marked as a declaration, or comes later in the file\n", + filename_.c_str(), offset, target); +} + +void DwarfCUToModule::WarningReporter::UnknownAbstractOrigin(uint64 offset, + uint64 target) { + CUHeading(); + fprintf(stderr, "%s: the DIE at offset 0x%llx has a DW_AT_abstract_origin" + " attribute referring to the die at offset 0x%llx, which either" + " was not marked as an inline, or comes later in the file\n", + filename_.c_str(), offset, target); +} + +void DwarfCUToModule::WarningReporter::MissingSection(const string &name) { + CUHeading(); + fprintf(stderr, "%s: warning: couldn't find DWARF '%s' section\n", + filename_.c_str(), name.c_str()); +} + +void DwarfCUToModule::WarningReporter::BadLineInfoOffset(uint64 offset) { + CUHeading(); + fprintf(stderr, "%s: warning: line number data offset beyond end" + " of '.debug_line' section\n", + filename_.c_str()); +} + +void DwarfCUToModule::WarningReporter::UncoveredHeading() { + if (printed_unpaired_header_) + return; + CUHeading(); + fprintf(stderr, "%s: warning: skipping unpaired lines/functions:\n", + filename_.c_str()); + printed_unpaired_header_ = true; +} + +void DwarfCUToModule::WarningReporter::UncoveredFunction( + const Module::Function &function) { + if (!uncovered_warnings_enabled_) + return; + UncoveredHeading(); + fprintf(stderr, " function%s: %s\n", + function.size == 0 ? " (zero-length)" : "", + function.name.c_str()); +} + +void DwarfCUToModule::WarningReporter::UncoveredLine(const Module::Line &line) { + if (!uncovered_warnings_enabled_) + return; + UncoveredHeading(); + fprintf(stderr, " line%s: %s:%d at 0x%" PRIx64 "\n", + (line.size == 0 ? " (zero-length)" : ""), + line.file->name.c_str(), line.number, line.address); +} + +void DwarfCUToModule::WarningReporter::UnnamedFunction(uint64 offset) { + CUHeading(); + fprintf(stderr, "%s: warning: function at offset 0x%llx has no name\n", + filename_.c_str(), offset); +} + +void DwarfCUToModule::WarningReporter::UnhandledInterCUReference( + uint64 offset, uint64 target) { + CUHeading(); + fprintf(stderr, "%s: warning: the DIE at offset 0x%llx has a " + "DW_FORM_ref_addr attribute with an inter-CU reference to " + "0x%llx, but inter-CU reference handling is turned off.\n", + filename_.c_str(), offset, target); +} + +DwarfCUToModule::DwarfCUToModule(FileContext *file_context, + LineToModuleHandler *line_reader, + WarningReporter *reporter) + : line_reader_(line_reader), + cu_context_(new CUContext(file_context, reporter)), + child_context_(new DIEContext()), + has_source_line_info_(false) { +} + +DwarfCUToModule::~DwarfCUToModule() { +} + +void DwarfCUToModule::ProcessAttributeSigned(enum DwarfAttribute attr, + enum DwarfForm form, + int64 data) { + switch (attr) { + case dwarf2reader::DW_AT_language: // source language of this CU + SetLanguage(static_cast(data)); + break; + default: + break; + } +} + +void DwarfCUToModule::ProcessAttributeUnsigned(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data) { + switch (attr) { + case dwarf2reader::DW_AT_stmt_list: // Line number information. + has_source_line_info_ = true; + source_line_offset_ = data; + break; + case dwarf2reader::DW_AT_language: // source language of this CU + SetLanguage(static_cast(data)); + break; + default: + break; + } +} + +void DwarfCUToModule::ProcessAttributeString(enum DwarfAttribute attr, + enum DwarfForm form, + const string &data) { + switch (attr) { + case dwarf2reader::DW_AT_name: + cu_context_->reporter->SetCUName(data); + break; + case dwarf2reader::DW_AT_comp_dir: + line_reader_->StartCompilationUnit(data); + break; + default: + break; + } +} + +bool DwarfCUToModule::EndAttributes() { + return true; +} + +dwarf2reader::DIEHandler *DwarfCUToModule::FindChildHandler( + uint64 offset, + enum DwarfTag tag) { + switch (tag) { + case dwarf2reader::DW_TAG_subprogram: + return new FuncHandler(cu_context_.get(), child_context_.get(), offset); + case dwarf2reader::DW_TAG_namespace: + case dwarf2reader::DW_TAG_class_type: + case dwarf2reader::DW_TAG_structure_type: + case dwarf2reader::DW_TAG_union_type: + return new NamedScopeHandler(cu_context_.get(), child_context_.get(), + offset); + default: + return NULL; + } +} + +void DwarfCUToModule::SetLanguage(DwarfLanguage language) { + switch (language) { + case dwarf2reader::DW_LANG_Java: + cu_context_->language = Language::Java; + break; + + // DWARF has no generic language code for assembly language; this is + // what the GNU toolchain uses. + case dwarf2reader::DW_LANG_Mips_Assembler: + cu_context_->language = Language::Assembler; + break; + + // C++ covers so many cases that it probably has some way to cope + // with whatever the other languages throw at us. So make it the + // default. + // + // Objective C and Objective C++ seem to create entries for + // methods whose DW_AT_name values are already fully-qualified: + // "-[Classname method:]". These appear at the top level. + // + // DWARF data for C should never include namespaces or functions + // nested in struct types, but if it ever does, then C++'s + // notation is probably not a bad choice for that. + default: + case dwarf2reader::DW_LANG_ObjC: + case dwarf2reader::DW_LANG_ObjC_plus_plus: + case dwarf2reader::DW_LANG_C: + case dwarf2reader::DW_LANG_C89: + case dwarf2reader::DW_LANG_C99: + case dwarf2reader::DW_LANG_C_plus_plus: + cu_context_->language = Language::CPlusPlus; + break; + } +} + +void DwarfCUToModule::ReadSourceLines(uint64 offset) { + const dwarf2reader::SectionMap §ion_map + = cu_context_->file_context->section_map(); + dwarf2reader::SectionMap::const_iterator map_entry + = section_map.find(".debug_line"); + // Mac OS X puts DWARF data in sections whose names begin with "__" + // instead of ".". + if (map_entry == section_map.end()) + map_entry = section_map.find("__debug_line"); + if (map_entry == section_map.end()) { + cu_context_->reporter->MissingSection(".debug_line"); + return; + } + const char *section_start = map_entry->second.first; + uint64 section_length = map_entry->second.second; + if (offset >= section_length) { + cu_context_->reporter->BadLineInfoOffset(offset); + return; + } + line_reader_->ReadProgram(section_start + offset, section_length - offset, + cu_context_->file_context->module_, &lines_); +} + +namespace { +// Return true if ADDRESS falls within the range of ITEM. +template +inline bool within(const T &item, Module::Address address) { + // Because Module::Address is unsigned, and unsigned arithmetic + // wraps around, this will be false if ADDRESS falls before the + // start of ITEM, or if it falls after ITEM's end. + return address - item.address < item.size; +} +} + +void DwarfCUToModule::AssignLinesToFunctions() { + vector *functions = &cu_context_->functions; + WarningReporter *reporter = cu_context_->reporter; + + // This would be simpler if we assumed that source line entries + // don't cross function boundaries. However, there's no real reason + // to assume that (say) a series of function definitions on the same + // line wouldn't get coalesced into one line number entry. The + // DWARF spec certainly makes no such promises. + // + // So treat the functions and lines as peers, and take the trouble + // to compute their ranges' intersections precisely. In any case, + // the hair here is a constant factor for performance; the + // complexity from here on out is linear. + + // Put both our functions and lines in order by address. + std::sort(functions->begin(), functions->end(), + Module::Function::CompareByAddress); + std::sort(lines_.begin(), lines_.end(), Module::Line::CompareByAddress); + + // The last line that we used any piece of. We use this only for + // generating warnings. + const Module::Line *last_line_used = NULL; + + // The last function and line we warned about --- so we can avoid + // doing so more than once. + const Module::Function *last_function_cited = NULL; + const Module::Line *last_line_cited = NULL; + + // Make a single pass through both vectors from lower to higher + // addresses, populating each Function's lines vector with lines + // from our lines_ vector that fall within the function's address + // range. + vector::iterator func_it = functions->begin(); + vector::const_iterator line_it = lines_.begin(); + + Module::Address current; + + // Pointers to the referents of func_it and line_it, or NULL if the + // iterator is at the end of the sequence. + Module::Function *func; + const Module::Line *line; + + // Start current at the beginning of the first line or function, + // whichever is earlier. + if (func_it != functions->end() && line_it != lines_.end()) { + func = *func_it; + line = &*line_it; + current = std::min(func->address, line->address); + } else if (line_it != lines_.end()) { + func = NULL; + line = &*line_it; + current = line->address; + } else if (func_it != functions->end()) { + func = *func_it; + line = NULL; + current = (*func_it)->address; + } else { + return; + } + + while (func || line) { + // This loop has two invariants that hold at the top. + // + // First, at least one of the iterators is not at the end of its + // sequence, and those that are not refer to the earliest + // function or line that contains or starts after CURRENT. + // + // Note that every byte is in one of four states: it is covered + // or not covered by a function, and, independently, it is + // covered or not covered by a line. + // + // The second invariant is that CURRENT refers to a byte whose + // state is different from its predecessor, or it refers to the + // first byte in the address space. In other words, CURRENT is + // always the address of a transition. + // + // Note that, although each iteration advances CURRENT from one + // transition address to the next in each iteration, it might + // not advance the iterators. Suppose we have a function that + // starts with a line, has a gap, and then a second line, and + // suppose that we enter an iteration with CURRENT at the end of + // the first line. The next transition address is the start of + // the second line, after the gap, so the iteration should + // advance CURRENT to that point. At the head of that iteration, + // the invariants require that the line iterator be pointing at + // the second line. But this is also true at the head of the + // next. And clearly, the iteration must not change the function + // iterator. So neither iterator moves. + + // Assert the first invariant (see above). + assert(!func || current < func->address || within(*func, current)); + assert(!line || current < line->address || within(*line, current)); + + // The next transition after CURRENT. + Module::Address next_transition; + + // Figure out which state we're in, add lines or warn, and compute + // the next transition address. + if (func && current >= func->address) { + if (line && current >= line->address) { + // Covered by both a line and a function. + Module::Address func_left = func->size - (current - func->address); + Module::Address line_left = line->size - (current - line->address); + // This may overflow, but things work out. + next_transition = current + std::min(func_left, line_left); + Module::Line l = *line; + l.address = current; + l.size = next_transition - current; + func->lines.push_back(l); + last_line_used = line; + } else { + // Covered by a function, but no line. + if (func != last_function_cited) { + reporter->UncoveredFunction(*func); + last_function_cited = func; + } + if (line && within(*func, line->address)) + next_transition = line->address; + else + // If this overflows, we'll catch it below. + next_transition = func->address + func->size; + } + } else { + if (line && current >= line->address) { + // Covered by a line, but no function. + // + // If GCC emits padding after one function to align the start + // of the next, then it will attribute the padding + // instructions to the last source line of function (to reduce + // the size of the line number info), but omit it from the + // DW_AT_{low,high}_pc range given in .debug_info (since it + // costs nothing to be precise there). If we did use at least + // some of the line we're about to skip, and it ends at the + // start of the next function, then assume this is what + // happened, and don't warn. + if (line != last_line_cited + && !(func + && line == last_line_used + && func->address - line->address == line->size)) { + reporter->UncoveredLine(*line); + last_line_cited = line; + } + if (func && within(*line, func->address)) + next_transition = func->address; + else + // If this overflows, we'll catch it below. + next_transition = line->address + line->size; + } else { + // Covered by neither a function nor a line. By the invariant, + // both func and line begin after CURRENT. The next transition + // is the start of the next function or next line, whichever + // is earliest. + assert(func || line); + if (func && line) + next_transition = std::min(func->address, line->address); + else if (func) + next_transition = func->address; + else + next_transition = line->address; + } + } + + // If a function or line abuts the end of the address space, then + // next_transition may end up being zero, in which case we've completed + // our pass. Handle that here, instead of trying to deal with it in + // each place we compute next_transition. + if (!next_transition) + break; + + // Advance iterators as needed. If lines overlap or functions overlap, + // then we could go around more than once. We don't worry too much + // about what result we produce in that case, just as long as we don't + // hang or crash. + while (func_it != functions->end() + && next_transition >= (*func_it)->address + && !within(**func_it, next_transition)) + func_it++; + func = (func_it != functions->end()) ? *func_it : NULL; + while (line_it != lines_.end() + && next_transition >= line_it->address + && !within(*line_it, next_transition)) + line_it++; + line = (line_it != lines_.end()) ? &*line_it : NULL; + + // We must make progress. + assert(next_transition > current); + current = next_transition; + } +} + +void DwarfCUToModule::Finish() { + // Assembly language files have no function data, and that gives us + // no place to store our line numbers (even though the GNU toolchain + // will happily produce source line info for assembly language + // files). To avoid spurious warnings about lines we can't assign + // to functions, skip CUs in languages that lack functions. + if (!cu_context_->language->HasFunctions()) + return; + + // Read source line info, if we have any. + if (has_source_line_info_) + ReadSourceLines(source_line_offset_); + + vector *functions = &cu_context_->functions; + + // Dole out lines to the appropriate functions. + AssignLinesToFunctions(); + + // Add our functions, which now have source lines assigned to them, + // to module_. + cu_context_->file_context->module_->AddFunctions(functions->begin(), + functions->end()); + + // Ownership of the function objects has shifted from cu_context to + // the Module. + functions->clear(); + + cu_context_->file_context->ClearSpecifications(); +} + +bool DwarfCUToModule::StartCompilationUnit(uint64 offset, + uint8 address_size, + uint8 offset_size, + uint64 cu_length, + uint8 dwarf_version) { + return dwarf_version >= 2; +} + +bool DwarfCUToModule::StartRootDIE(uint64 offset, enum DwarfTag tag) { + // We don't deal with partial compilation units (the only other tag + // likely to be used for root DIE). + return tag == dwarf2reader::DW_TAG_compile_unit; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/dwarf_cu_to_module.h b/google-breakpad/src/common/dwarf_cu_to_module.h new file mode 100644 index 0000000..ab95485 --- /dev/null +++ b/google-breakpad/src/common/dwarf_cu_to_module.h @@ -0,0 +1,315 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// Add DWARF debugging information to a Breakpad symbol file. This +// file defines the DwarfCUToModule class, which accepts parsed DWARF +// data and populates a google_breakpad::Module with the results; the +// Module can then write its contents as a Breakpad symbol file. + +#ifndef COMMON_LINUX_DWARF_CU_TO_MODULE_H__ +#define COMMON_LINUX_DWARF_CU_TO_MODULE_H__ + +#include + +#include "common/language.h" +#include "common/module.h" +#include "common/dwarf/bytereader.h" +#include "common/dwarf/dwarf2diehandler.h" +#include "common/dwarf/dwarf2reader.h" +#include "common/scoped_ptr.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +using dwarf2reader::DwarfAttribute; +using dwarf2reader::DwarfForm; +using dwarf2reader::DwarfLanguage; +using dwarf2reader::DwarfTag; + +// Populate a google_breakpad::Module with DWARF debugging information. +// +// An instance of this class can be provided as a handler to a +// dwarf2reader::DIEDispatcher, which can in turn be a handler for a +// dwarf2reader::CompilationUnit DWARF parser. The handler uses the results +// of parsing to populate a google_breakpad::Module with source file, +// function, and source line information. +class DwarfCUToModule: public dwarf2reader::RootDIEHandler { + struct FilePrivate; + public: + // Information global to the DWARF-bearing file we are processing, + // for use by DwarfCUToModule. Each DwarfCUToModule instance deals + // with a single compilation unit within the file, but information + // global to the whole file is held here. The client is responsible + // for filling it in appropriately (except for the 'file_private' + // field, which the constructor and destructor take care of), and + // then providing it to the DwarfCUToModule instance for each + // compilation unit we process in that file. Set HANDLE_INTER_CU_REFS + // to true to handle debugging symbols with DW_FORM_ref_addr entries. + class FileContext { + public: + FileContext(const string &filename, + Module *module, + bool handle_inter_cu_refs); + ~FileContext(); + + // Add CONTENTS of size LENGTH to the section map as NAME. + void AddSectionToSectionMap(const string& name, + const char* contents, + uint64 length); + + // Clear the section map for testing. + void ClearSectionMapForTest(); + + const dwarf2reader::SectionMap& section_map() const; + + private: + friend class DwarfCUToModule; + + // Clears all the Specifications if HANDLE_INTER_CU_REFS_ is false. + void ClearSpecifications(); + + // Given an OFFSET and a CU that starts at COMPILATION_UNIT_START, returns + // true if this is an inter-compilation unit reference that is not being + // handled. + bool IsUnhandledInterCUReference(uint64 offset, + uint64 compilation_unit_start) const; + + // The name of this file, for use in error messages. + const string filename_; + + // A map of this file's sections, used for finding other DWARF + // sections that the .debug_info section may refer to. + dwarf2reader::SectionMap section_map_; + + // The Module to which we're contributing definitions. + Module *module_; + + // True if we are handling references between compilation units. + const bool handle_inter_cu_refs_; + + // Inter-compilation unit data used internally by the handlers. + scoped_ptr file_private_; + }; + + // An abstract base class for handlers that handle DWARF line data + // for DwarfCUToModule. DwarfCUToModule could certainly just use + // dwarf2reader::LineInfo itself directly, but decoupling things + // this way makes unit testing a little easier. + class LineToModuleHandler { + public: + LineToModuleHandler() { } + virtual ~LineToModuleHandler() { } + + // Called at the beginning of a new compilation unit, prior to calling + // ReadProgram(). compilation_dir will indicate the path that the + // current compilation unit was compiled in, consistent with the + // DW_AT_comp_dir DIE. + virtual void StartCompilationUnit(const string& compilation_dir) = 0; + + // Populate MODULE and LINES with source file names and code/line + // mappings, given a pointer to some DWARF line number data + // PROGRAM, and an overestimate of its size. Add no zero-length + // lines to LINES. + virtual void ReadProgram(const char *program, uint64 length, + Module *module, vector *lines) = 0; + }; + + // The interface DwarfCUToModule uses to report warnings. The member + // function definitions for this class write messages to stderr, but + // you can override them if you'd like to detect or report these + // conditions yourself. + class WarningReporter { + public: + // Warn about problems in the DWARF file FILENAME, in the + // compilation unit at OFFSET. + WarningReporter(const string &filename, uint64 cu_offset) + : filename_(filename), cu_offset_(cu_offset), printed_cu_header_(false), + printed_unpaired_header_(false), + uncovered_warnings_enabled_(false) { } + virtual ~WarningReporter() { } + + // Set the name of the compilation unit we're processing to NAME. + virtual void SetCUName(const string &name) { cu_name_ = name; } + + // Accessor and setter for uncovered_warnings_enabled_. + // UncoveredFunction and UncoveredLine only report a problem if that is + // true. By default, these warnings are disabled, because those + // conditions occur occasionally in healthy code. + virtual bool uncovered_warnings_enabled() const { + return uncovered_warnings_enabled_; + } + virtual void set_uncovered_warnings_enabled(bool value) { + uncovered_warnings_enabled_ = value; + } + + // A DW_AT_specification in the DIE at OFFSET refers to a DIE we + // haven't processed yet, or that wasn't marked as a declaration, + // at TARGET. + virtual void UnknownSpecification(uint64 offset, uint64 target); + + // A DW_AT_abstract_origin in the DIE at OFFSET refers to a DIE we + // haven't processed yet, or that wasn't marked as inline, at TARGET. + virtual void UnknownAbstractOrigin(uint64 offset, uint64 target); + + // We were unable to find the DWARF section named SECTION_NAME. + virtual void MissingSection(const string §ion_name); + + // The CU's DW_AT_stmt_list offset OFFSET is bogus. + virtual void BadLineInfoOffset(uint64 offset); + + // FUNCTION includes code covered by no line number data. + virtual void UncoveredFunction(const Module::Function &function); + + // Line number NUMBER in LINE_FILE, of length LENGTH, includes code + // covered by no function. + virtual void UncoveredLine(const Module::Line &line); + + // The DW_TAG_subprogram DIE at OFFSET has no name specified directly + // in the DIE, nor via a DW_AT_specification or DW_AT_abstract_origin + // link. + virtual void UnnamedFunction(uint64 offset); + + // The DW_FORM_ref_addr at OFFSET to TARGET was not handled because + // FilePrivate did not retain the inter-CU specification data. + virtual void UnhandledInterCUReference(uint64 offset, uint64 target); + + uint64 cu_offset() const { + return cu_offset_; + } + + protected: + const string filename_; + const uint64 cu_offset_; + string cu_name_; + bool printed_cu_header_; + bool printed_unpaired_header_; + bool uncovered_warnings_enabled_; + + private: + // Print a per-CU heading, once. + void CUHeading(); + // Print an unpaired function/line heading, once. + void UncoveredHeading(); + }; + + // Create a DWARF debugging info handler for a compilation unit + // within FILE_CONTEXT. This uses information received from the + // dwarf2reader::CompilationUnit DWARF parser to populate + // FILE_CONTEXT->module. Use LINE_READER to handle the compilation + // unit's line number data. Use REPORTER to report problems with the + // data we find. + DwarfCUToModule(FileContext *file_context, + LineToModuleHandler *line_reader, + WarningReporter *reporter); + ~DwarfCUToModule(); + + void ProcessAttributeSigned(enum DwarfAttribute attr, + enum DwarfForm form, + int64 data); + void ProcessAttributeUnsigned(enum DwarfAttribute attr, + enum DwarfForm form, + uint64 data); + void ProcessAttributeString(enum DwarfAttribute attr, + enum DwarfForm form, + const string &data); + bool EndAttributes(); + DIEHandler *FindChildHandler(uint64 offset, enum DwarfTag tag); + + // Assign all our source Lines to the Functions that cover their + // addresses, and then add them to module_. + void Finish(); + + bool StartCompilationUnit(uint64 offset, uint8 address_size, + uint8 offset_size, uint64 cu_length, + uint8 dwarf_version); + bool StartRootDIE(uint64 offset, enum DwarfTag tag); + + private: + // Used internally by the handler. Full definitions are in + // dwarf_cu_to_module.cc. + struct CUContext; + struct DIEContext; + struct Specification; + class GenericDIEHandler; + class FuncHandler; + class NamedScopeHandler; + + // A map from section offsets to specifications. + typedef map SpecificationByOffset; + + // Set this compilation unit's source language to LANGUAGE. + void SetLanguage(DwarfLanguage language); + + // Read source line information at OFFSET in the .debug_line + // section. Record source files in module_, but record source lines + // in lines_; we apportion them to functions in + // AssignLinesToFunctions. + void ReadSourceLines(uint64 offset); + + // Assign the lines in lines_ to the individual line lists of the + // functions in functions_. (DWARF line information maps an entire + // compilation unit at a time, and gives no indication of which + // lines belong to which functions, beyond their addresses.) + void AssignLinesToFunctions(); + + // The only reason cu_context_ and child_context_ are pointers is + // that we want to keep their definitions private to + // dwarf_cu_to_module.cc, instead of listing them all here. They are + // owned by this DwarfCUToModule: the constructor sets them, and the + // destructor deletes them. + + // The handler to use to handle line number data. + LineToModuleHandler *line_reader_; + + // This compilation unit's context. + scoped_ptr cu_context_; + + // A context for our children. + scoped_ptr child_context_; + + // True if this compilation unit has source line information. + bool has_source_line_info_; + + // The offset of this compilation unit's line number information in + // the .debug_line section. + uint64 source_line_offset_; + + // The line numbers we have seen thus far. We accumulate these here + // during parsing. Then, in Finish, we call AssignLinesToFunctions + // to dole them out to the appropriate functions. + vector lines_; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_DWARF_CU_TO_MODULE_H__ diff --git a/google-breakpad/src/common/dwarf_cu_to_module_unittest.cc b/google-breakpad/src/common/dwarf_cu_to_module_unittest.cc new file mode 100644 index 0000000..5f61a58 --- /dev/null +++ b/google-breakpad/src/common/dwarf_cu_to_module_unittest.cc @@ -0,0 +1,1780 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf_cu_to_module.cc: Unit tests for google_breakpad::DwarfCUToModule. + +#include +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/dwarf_cu_to_module.h" +#include "common/using_std_string.h" + +using std::make_pair; +using std::vector; + +using dwarf2reader::DIEHandler; +using dwarf2reader::DwarfTag; +using dwarf2reader::DwarfAttribute; +using dwarf2reader::DwarfForm; +using dwarf2reader::DwarfInline; +using dwarf2reader::RootDIEHandler; +using google_breakpad::DwarfCUToModule; +using google_breakpad::Module; + +using ::testing::_; +using ::testing::AtMost; +using ::testing::Invoke; +using ::testing::Return; +using ::testing::Test; +using ::testing::TestWithParam; +using ::testing::Values; +using ::testing::ValuesIn; + +// Mock classes. + +class MockLineToModuleHandler: public DwarfCUToModule::LineToModuleHandler { + public: + MOCK_METHOD1(StartCompilationUnit, void(const string& compilation_dir)); + MOCK_METHOD4(ReadProgram, void(const char* program, uint64 length, + Module *module, vector *lines)); +}; + +class MockWarningReporter: public DwarfCUToModule::WarningReporter { + public: + MockWarningReporter(const string &filename, uint64 cu_offset) + : DwarfCUToModule::WarningReporter(filename, cu_offset) { } + MOCK_METHOD1(SetCUName, void(const string &name)); + MOCK_METHOD2(UnknownSpecification, void(uint64 offset, uint64 target)); + MOCK_METHOD2(UnknownAbstractOrigin, void(uint64 offset, uint64 target)); + MOCK_METHOD1(MissingSection, void(const string §ion_name)); + MOCK_METHOD1(BadLineInfoOffset, void(uint64 offset)); + MOCK_METHOD1(UncoveredFunction, void(const Module::Function &function)); + MOCK_METHOD1(UncoveredLine, void(const Module::Line &line)); + MOCK_METHOD1(UnnamedFunction, void(uint64 offset)); + MOCK_METHOD2(UnhandledInterCUReference, void(uint64 offset, uint64 target)); +}; + +// A fixture class including all the objects needed to handle a +// compilation unit, and their entourage. It includes member functions +// for doing common kinds of setup and tests. +class CUFixtureBase { + public: + // If we have: + // + // vector lines; + // AppendLinesFunctor appender(lines); + // + // then doing: + // + // appender(line_program, length, module, line_vector); + // + // will append lines to the end of line_vector. We can use this with + // MockLineToModuleHandler like this: + // + // MockLineToModuleHandler l2m; + // EXPECT_CALL(l2m, ReadProgram(_,_,_,_)) + // .WillOnce(DoAll(Invoke(appender), Return())); + // + // in which case calling l2m with some line vector will append lines. + class AppendLinesFunctor { + public: + explicit AppendLinesFunctor( + const vector *lines) : lines_(lines) { } + void operator()(const char *program, uint64 length, + Module *module, vector *lines) { + lines->insert(lines->end(), lines_->begin(), lines_->end()); + } + private: + const vector *lines_; + }; + + CUFixtureBase() + : module_("module-name", "module-os", "module-arch", "module-id"), + file_context_("dwarf-filename", &module_, true), + language_(dwarf2reader::DW_LANG_none), + language_signed_(false), + appender_(&lines_), + reporter_("dwarf-filename", 0xcf8f9bb6443d29b5LL), + root_handler_(&file_context_, &line_reader_, &reporter_), + functions_filled_(false) { + // By default, expect no warnings to be reported, and expect the + // compilation unit's name to be provided. The test can override + // these expectations. + EXPECT_CALL(reporter_, SetCUName("compilation-unit-name")).Times(1); + EXPECT_CALL(reporter_, UnknownSpecification(_, _)).Times(0); + EXPECT_CALL(reporter_, UnknownAbstractOrigin(_, _)).Times(0); + EXPECT_CALL(reporter_, MissingSection(_)).Times(0); + EXPECT_CALL(reporter_, BadLineInfoOffset(_)).Times(0); + EXPECT_CALL(reporter_, UncoveredFunction(_)).Times(0); + EXPECT_CALL(reporter_, UncoveredLine(_)).Times(0); + EXPECT_CALL(reporter_, UnnamedFunction(_)).Times(0); + EXPECT_CALL(reporter_, UnhandledInterCUReference(_, _)).Times(0); + + // By default, expect the line program reader not to be invoked. We + // may override this in StartCU. + EXPECT_CALL(line_reader_, StartCompilationUnit(_)).Times(0); + EXPECT_CALL(line_reader_, ReadProgram(_,_,_,_)).Times(0); + + // The handler will consult this section map to decide what to + // pass to our line reader. + file_context_.AddSectionToSectionMap(".debug_line", + dummy_line_program_, + dummy_line_size_); + } + + // Add a line with the given address, size, filename, and line + // number to the end of the statement list the handler will receive + // when it invokes its LineToModuleHandler. Call this before calling + // StartCU. + void PushLine(Module::Address address, Module::Address size, + const string &filename, int line_number); + + // Use LANGUAGE for the compilation unit. More precisely, arrange + // for StartCU to pass the compilation unit's root DIE a + // DW_AT_language attribute whose value is LANGUAGE. + void SetLanguage(dwarf2reader::DwarfLanguage language) { + language_ = language; + } + + // If SIGNED true, have StartCU report DW_AT_language as a signed + // attribute; if false, have it report it as unsigned. + void SetLanguageSigned(bool is_signed) { language_signed_ = is_signed; } + + // Call the handler this.root_handler_'s StartCompilationUnit and + // StartRootDIE member functions, passing it appropriate attributes as + // determined by prior calls to PushLine and SetLanguage. Leave + // this.root_handler_ ready to hear about children: call + // this.root_handler_.EndAttributes, but not this.root_handler_.Finish. + void StartCU(); + + // Have HANDLER process some strange attribute/form/value triples. + void ProcessStrangeAttributes(dwarf2reader::DIEHandler *handler); + + // Start a child DIE of PARENT with the given tag and name. Leave + // the handler ready to hear about children: call EndAttributes, but + // not Finish. + DIEHandler *StartNamedDIE(DIEHandler *parent, DwarfTag tag, + const string &name); + + // Start a child DIE of PARENT with the given tag and a + // DW_AT_specification attribute whose value is SPECIFICATION. Leave + // the handler ready to hear about children: call EndAttributes, but + // not Finish. If NAME is non-zero, use it as the DW_AT_name + // attribute. + DIEHandler *StartSpecifiedDIE(DIEHandler *parent, DwarfTag tag, + uint64 specification, const char *name = NULL); + + // Define a function as a child of PARENT with the given name, address, and + // size. If high_pc_form is DW_FORM_addr then the DW_AT_high_pc attribute + // will be written as an address; otherwise it will be written as the + // function's size. Call EndAttributes and Finish; one cannot define + // children of the defined function's DIE. + void DefineFunction(DIEHandler *parent, const string &name, + Module::Address address, Module::Address size, + const char* mangled_name, + DwarfForm high_pc_form = dwarf2reader::DW_FORM_addr); + + // Create a declaration DIE as a child of PARENT with the given + // offset, tag and name. If NAME is the empty string, don't provide + // a DW_AT_name attribute. Call EndAttributes and Finish. + void DeclarationDIE(DIEHandler *parent, uint64 offset, + DwarfTag tag, const string &name, + const string &mangled_name); + + // Create a definition DIE as a child of PARENT with the given tag + // that refers to the declaration DIE at offset SPECIFICATION as its + // specification. If NAME is non-empty, pass it as the DW_AT_name + // attribute. If SIZE is non-zero, record ADDRESS and SIZE as + // low_pc/high_pc attributes. + void DefinitionDIE(DIEHandler *parent, DwarfTag tag, + uint64 specification, const string &name, + Module::Address address = 0, Module::Address size = 0); + + // Create an inline DW_TAG_subprogram DIE as a child of PARENT. If + // SPECIFICATION is non-zero, then the DIE refers to the declaration DIE at + // offset SPECIFICATION as its specification. If Name is non-empty, pass it + // as the DW_AT_name attribute. + void AbstractInstanceDIE(DIEHandler *parent, uint64 offset, + DwarfInline type, uint64 specification, + const string &name, + DwarfForm form = dwarf2reader::DW_FORM_data1); + + // Create a DW_TAG_subprogram DIE as a child of PARENT that refers to + // ORIGIN in its DW_AT_abstract_origin attribute. If NAME is the empty + // string, don't provide a DW_AT_name attribute. + void DefineInlineInstanceDIE(DIEHandler *parent, const string &name, + uint64 origin, Module::Address address, + Module::Address size); + + // The following Test* functions should be called after calling + // this.root_handler_.Finish. After that point, no further calls + // should be made on the handler. + + // Test that the number of functions defined in the module this.module_ is + // equal to EXPECTED. + void TestFunctionCount(size_t expected); + + // Test that the I'th function (ordered by address) in the module + // this.module_ has the given name, address, and size, and that its + // parameter size is zero. + void TestFunction(int i, const string &name, + Module::Address address, Module::Address size); + + // Test that the number of source lines owned by the I'th function + // in the module this.module_ is equal to EXPECTED. + void TestLineCount(int i, size_t expected); + + // Test that the J'th line (ordered by address) of the I'th function + // (again, by address) has the given address, size, filename, and + // line number. + void TestLine(int i, int j, Module::Address address, Module::Address size, + const string &filename, int number); + + // Actual objects under test. + Module module_; + DwarfCUToModule::FileContext file_context_; + + // If this is not DW_LANG_none, we'll pass it as a DW_AT_language + // attribute to the compilation unit. This defaults to DW_LANG_none. + dwarf2reader::DwarfLanguage language_; + + // If this is true, report DW_AT_language as a signed value; if false, + // report it as an unsigned value. + bool language_signed_; + + // If this is not empty, we'll give the CU a DW_AT_comp_dir attribute that + // indicates the path that this compilation unit was compiled in. + string compilation_dir_; + + // If this is not empty, we'll give the CU a DW_AT_stmt_list + // attribute that, when passed to line_reader_, adds these lines to the + // provided lines array. + vector lines_; + + // Mock line program reader. + MockLineToModuleHandler line_reader_; + AppendLinesFunctor appender_; + static const char dummy_line_program_[]; + static const size_t dummy_line_size_; + + MockWarningReporter reporter_; + DwarfCUToModule root_handler_; + + private: + // Fill functions_, if we haven't already. + void FillFunctions(); + + // If functions_filled_ is true, this is a table of functions we've + // extracted from module_, sorted by address. + vector functions_; + // True if we have filled the above vector with this.module_'s function list. + bool functions_filled_; +}; + +const char CUFixtureBase::dummy_line_program_[] = "lots of fun data"; +const size_t CUFixtureBase::dummy_line_size_ = + sizeof(CUFixtureBase::dummy_line_program_); + +void CUFixtureBase::PushLine(Module::Address address, Module::Address size, + const string &filename, int line_number) { + Module::Line l; + l.address = address; + l.size = size; + l.file = module_.FindFile(filename); + l.number = line_number; + lines_.push_back(l); +} + +void CUFixtureBase::StartCU() { + if (!compilation_dir_.empty()) + EXPECT_CALL(line_reader_, + StartCompilationUnit(compilation_dir_)).Times(1); + + // If we have lines, make the line reader expect to be invoked at + // most once. (Hey, if the handler can pass its tests without + // bothering to read the line number data, that's great.) + // Have it add the lines passed to PushLine. Otherwise, leave the + // initial expectation (no calls) in force. + if (!lines_.empty()) + EXPECT_CALL(line_reader_, + ReadProgram(&dummy_line_program_[0], dummy_line_size_, + &module_, _)) + .Times(AtMost(1)) + .WillOnce(DoAll(Invoke(appender_), Return())); + + ASSERT_TRUE(root_handler_ + .StartCompilationUnit(0x51182ec307610b51ULL, 0x81, 0x44, + 0x4241b4f33720dd5cULL, 3)); + { + ASSERT_TRUE(root_handler_.StartRootDIE(0x02e56bfbda9e7337ULL, + dwarf2reader::DW_TAG_compile_unit)); + } + root_handler_.ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + "compilation-unit-name"); + if (!compilation_dir_.empty()) + root_handler_.ProcessAttributeString(dwarf2reader::DW_AT_comp_dir, + dwarf2reader::DW_FORM_strp, + compilation_dir_); + if (!lines_.empty()) + root_handler_.ProcessAttributeUnsigned(dwarf2reader::DW_AT_stmt_list, + dwarf2reader::DW_FORM_ref4, + 0); + if (language_ != dwarf2reader::DW_LANG_none) { + if (language_signed_) + root_handler_.ProcessAttributeSigned(dwarf2reader::DW_AT_language, + dwarf2reader::DW_FORM_sdata, + language_); + else + root_handler_.ProcessAttributeUnsigned(dwarf2reader::DW_AT_language, + dwarf2reader::DW_FORM_udata, + language_); + } + ASSERT_TRUE(root_handler_.EndAttributes()); +} + +void CUFixtureBase::ProcessStrangeAttributes( + dwarf2reader::DIEHandler *handler) { + handler->ProcessAttributeUnsigned((DwarfAttribute) 0xf560dead, + (DwarfForm) 0x4106e4db, + 0xa592571997facda1ULL); + handler->ProcessAttributeSigned((DwarfAttribute) 0x85380095, + (DwarfForm) 0x0f16fe87, + 0x12602a4e3bf1f446LL); + handler->ProcessAttributeReference((DwarfAttribute) 0xf7f7480f, + (DwarfForm) 0x829e038a, + 0x50fddef44734fdecULL); + static const char buffer[10] = "frobynode"; + handler->ProcessAttributeBuffer((DwarfAttribute) 0xa55ffb51, + (DwarfForm) 0x2f43b041, + buffer, sizeof(buffer)); + handler->ProcessAttributeString((DwarfAttribute) 0x2f43b041, + (DwarfForm) 0x895ffa23, + "strange string"); +} + +DIEHandler *CUFixtureBase::StartNamedDIE(DIEHandler *parent, + DwarfTag tag, + const string &name) { + dwarf2reader::DIEHandler *handler + = parent->FindChildHandler(0x8f4c783c0467c989ULL, tag); + if (!handler) + return NULL; + handler->ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + name); + ProcessStrangeAttributes(handler); + if (!handler->EndAttributes()) { + handler->Finish(); + delete handler; + return NULL; + } + + return handler; +} + +DIEHandler *CUFixtureBase::StartSpecifiedDIE(DIEHandler *parent, + DwarfTag tag, + uint64 specification, + const char *name) { + dwarf2reader::DIEHandler *handler + = parent->FindChildHandler(0x8f4c783c0467c989ULL, tag); + if (!handler) + return NULL; + if (name) + handler->ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + name); + handler->ProcessAttributeReference(dwarf2reader::DW_AT_specification, + dwarf2reader::DW_FORM_ref4, + specification); + if (!handler->EndAttributes()) { + handler->Finish(); + delete handler; + return NULL; + } + + return handler; +} + +void CUFixtureBase::DefineFunction(dwarf2reader::DIEHandler *parent, + const string &name, Module::Address address, + Module::Address size, + const char* mangled_name, + DwarfForm high_pc_form) { + dwarf2reader::DIEHandler *func + = parent->FindChildHandler(0xe34797c7e68590a8LL, + dwarf2reader::DW_TAG_subprogram); + ASSERT_TRUE(func != NULL); + func->ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + name); + func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_low_pc, + dwarf2reader::DW_FORM_addr, + address); + + Module::Address high_pc = size; + if (high_pc_form == dwarf2reader::DW_FORM_addr) { + high_pc += address; + } + func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_high_pc, + high_pc_form, + high_pc); + + if (mangled_name) + func->ProcessAttributeString(dwarf2reader::DW_AT_MIPS_linkage_name, + dwarf2reader::DW_FORM_strp, + mangled_name); + + ProcessStrangeAttributes(func); + EXPECT_TRUE(func->EndAttributes()); + func->Finish(); + delete func; +} + +void CUFixtureBase::DeclarationDIE(DIEHandler *parent, uint64 offset, + DwarfTag tag, + const string &name, + const string &mangled_name) { + dwarf2reader::DIEHandler *die = parent->FindChildHandler(offset, tag); + ASSERT_TRUE(die != NULL); + if (!name.empty()) + die->ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + name); + if (!mangled_name.empty()) + die->ProcessAttributeString(dwarf2reader::DW_AT_MIPS_linkage_name, + dwarf2reader::DW_FORM_strp, + mangled_name); + + die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_declaration, + dwarf2reader::DW_FORM_flag, + 1); + EXPECT_TRUE(die->EndAttributes()); + die->Finish(); + delete die; +} + +void CUFixtureBase::DefinitionDIE(DIEHandler *parent, + DwarfTag tag, + uint64 specification, + const string &name, + Module::Address address, + Module::Address size) { + dwarf2reader::DIEHandler *die + = parent->FindChildHandler(0x6ccfea031a9e6cc9ULL, tag); + ASSERT_TRUE(die != NULL); + die->ProcessAttributeReference(dwarf2reader::DW_AT_specification, + dwarf2reader::DW_FORM_ref4, + specification); + if (!name.empty()) + die->ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + name); + if (size) { + die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_low_pc, + dwarf2reader::DW_FORM_addr, + address); + die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_high_pc, + dwarf2reader::DW_FORM_addr, + address + size); + } + EXPECT_TRUE(die->EndAttributes()); + die->Finish(); + delete die; +} + +void CUFixtureBase::AbstractInstanceDIE(DIEHandler *parent, + uint64 offset, + DwarfInline type, + uint64 specification, + const string &name, + DwarfForm form) { + dwarf2reader::DIEHandler *die + = parent->FindChildHandler(offset, dwarf2reader::DW_TAG_subprogram); + ASSERT_TRUE(die != NULL); + if (specification != 0ULL) + die->ProcessAttributeReference(dwarf2reader::DW_AT_specification, + dwarf2reader::DW_FORM_ref4, + specification); + if (form == dwarf2reader::DW_FORM_sdata) { + die->ProcessAttributeSigned(dwarf2reader::DW_AT_inline, form, type); + } else { + die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_inline, form, type); + } + if (!name.empty()) + die->ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + name); + + EXPECT_TRUE(die->EndAttributes()); + die->Finish(); + delete die; +} + +void CUFixtureBase::DefineInlineInstanceDIE(DIEHandler *parent, + const string &name, + uint64 origin, + Module::Address address, + Module::Address size) { + dwarf2reader::DIEHandler *func + = parent->FindChildHandler(0x11c70f94c6e87ccdLL, + dwarf2reader::DW_TAG_subprogram); + ASSERT_TRUE(func != NULL); + if (!name.empty()) { + func->ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + name); + } + func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_low_pc, + dwarf2reader::DW_FORM_addr, + address); + func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_high_pc, + dwarf2reader::DW_FORM_addr, + address + size); + func->ProcessAttributeReference(dwarf2reader::DW_AT_abstract_origin, + dwarf2reader::DW_FORM_ref4, + origin); + ProcessStrangeAttributes(func); + EXPECT_TRUE(func->EndAttributes()); + func->Finish(); + delete func; +} + +void CUFixtureBase::FillFunctions() { + if (functions_filled_) + return; + module_.GetFunctions(&functions_, functions_.end()); + sort(functions_.begin(), functions_.end(), + Module::Function::CompareByAddress); + functions_filled_ = true; +} + +void CUFixtureBase::TestFunctionCount(size_t expected) { + FillFunctions(); + ASSERT_EQ(expected, functions_.size()); +} + +void CUFixtureBase::TestFunction(int i, const string &name, + Module::Address address, + Module::Address size) { + FillFunctions(); + ASSERT_LT((size_t) i, functions_.size()); + + Module::Function *function = functions_[i]; + EXPECT_EQ(name, function->name); + EXPECT_EQ(address, function->address); + EXPECT_EQ(size, function->size); + EXPECT_EQ(0U, function->parameter_size); +} + +void CUFixtureBase::TestLineCount(int i, size_t expected) { + FillFunctions(); + ASSERT_LT((size_t) i, functions_.size()); + + ASSERT_EQ(expected, functions_[i]->lines.size()); +} + +void CUFixtureBase::TestLine(int i, int j, + Module::Address address, Module::Address size, + const string &filename, int number) { + FillFunctions(); + ASSERT_LT((size_t) i, functions_.size()); + ASSERT_LT((size_t) j, functions_[i]->lines.size()); + + Module::Line *line = &functions_[i]->lines[j]; + EXPECT_EQ(address, line->address); + EXPECT_EQ(size, line->size); + EXPECT_EQ(filename, line->file->name.c_str()); + EXPECT_EQ(number, line->number); +} + +// Include caller locations for our test subroutines. +#define TRACE(call) do { SCOPED_TRACE("called from here"); call; } while (0) +#define PushLine(a,b,c,d) TRACE(PushLine((a),(b),(c),(d))) +#define SetLanguage(a) TRACE(SetLanguage(a)) +#define StartCU() TRACE(StartCU()) +#define DefineFunction(a,b,c,d,e) TRACE(DefineFunction((a),(b),(c),(d),(e))) +// (DefineFunction) instead of DefineFunction to avoid macro expansion. +#define DefineFunction6(a,b,c,d,e,f) \ + TRACE((DefineFunction)((a),(b),(c),(d),(e),(f))) +#define DeclarationDIE(a,b,c,d,e) TRACE(DeclarationDIE((a),(b),(c),(d),(e))) +#define DefinitionDIE(a,b,c,d,e,f) \ + TRACE(DefinitionDIE((a),(b),(c),(d),(e),(f))) +#define TestFunctionCount(a) TRACE(TestFunctionCount(a)) +#define TestFunction(a,b,c,d) TRACE(TestFunction((a),(b),(c),(d))) +#define TestLineCount(a,b) TRACE(TestLineCount((a),(b))) +#define TestLine(a,b,c,d,e,f) TRACE(TestLine((a),(b),(c),(d),(e),(f))) + +class SimpleCU: public CUFixtureBase, public Test { +}; + +TEST_F(SimpleCU, CompilationDir) { + compilation_dir_ = "/src/build/"; + + StartCU(); + root_handler_.Finish(); +} + +TEST_F(SimpleCU, OneFunc) { + PushLine(0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", 246571772); + + StartCU(); + DefineFunction(&root_handler_, "function1", + 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, NULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "function1", 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL); + TestLineCount(0, 1); + TestLine(0, 0, 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", + 246571772); +} + +// As above, only DW_AT_high_pc is a length rather than an address. +TEST_F(SimpleCU, OneFuncHighPcIsLength) { + PushLine(0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", 246571772); + + StartCU(); + DefineFunction6(&root_handler_, "function1", + 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, NULL, + dwarf2reader::DW_FORM_udata); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "function1", 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL); + TestLineCount(0, 1); + TestLine(0, 0, 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", + 246571772); +} + +TEST_F(SimpleCU, MangledName) { + PushLine(0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", 246571772); + + StartCU(); + DefineFunction(&root_handler_, "function1", + 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "_ZN1n1fEi"); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "n::f(int)", 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL); +} + +TEST_F(SimpleCU, IrrelevantRootChildren) { + StartCU(); + EXPECT_FALSE(root_handler_ + .FindChildHandler(0x7db32bff4e2dcfb1ULL, + dwarf2reader::DW_TAG_lexical_block)); +} + +TEST_F(SimpleCU, IrrelevantNamedScopeChildren) { + StartCU(); + DIEHandler *class_A_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, "class_A"); + EXPECT_TRUE(class_A_handler != NULL); + EXPECT_FALSE(class_A_handler + ->FindChildHandler(0x02e55999b865e4e9ULL, + dwarf2reader::DW_TAG_lexical_block)); + delete class_A_handler; +} + +// Verify that FileContexts can safely be deleted unused. +TEST_F(SimpleCU, UnusedFileContext) { + Module m("module-name", "module-os", "module-arch", "module-id"); + DwarfCUToModule::FileContext fc("dwarf-filename", &m, true); + + // Kludge: satisfy reporter_'s expectation. + reporter_.SetCUName("compilation-unit-name"); +} + +TEST_F(SimpleCU, InlineFunction) { + PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118); + + StartCU(); + AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL, + dwarf2reader::DW_INL_inlined, 0, "inline-name"); + DefineInlineInstanceDIE(&root_handler_, "", 0x1e8dac5d507ed7abULL, + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "inline-name", + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); +} + +TEST_F(SimpleCU, InlineFunctionSignedAttribute) { + PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118); + + StartCU(); + AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL, + dwarf2reader::DW_INL_inlined, 0, "inline-name", + dwarf2reader::DW_FORM_sdata); + DefineInlineInstanceDIE(&root_handler_, "", 0x1e8dac5d507ed7abULL, + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "inline-name", + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); +} + +// Any DIE with an DW_AT_inline attribute can be cited by +// DW_AT_abstract_origin attributes --- even if the value of the +// DW_AT_inline attribute is DW_INL_not_inlined. +TEST_F(SimpleCU, AbstractOriginNotInlined) { + PushLine(0x2805c4531be6ca0eULL, 0x686b52155a8d4d2cULL, "line-file", 6111581); + + StartCU(); + AbstractInstanceDIE(&root_handler_, 0x93e9cdad52826b39ULL, + dwarf2reader::DW_INL_not_inlined, 0, "abstract-instance"); + DefineInlineInstanceDIE(&root_handler_, "", 0x93e9cdad52826b39ULL, + 0x2805c4531be6ca0eULL, 0x686b52155a8d4d2cULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "abstract-instance", + 0x2805c4531be6ca0eULL, 0x686b52155a8d4d2cULL); +} + +TEST_F(SimpleCU, UnknownAbstractOrigin) { + EXPECT_CALL(reporter_, UnknownAbstractOrigin(_, 1ULL)).WillOnce(Return()); + EXPECT_CALL(reporter_, UnnamedFunction(0x11c70f94c6e87ccdLL)) + .WillOnce(Return()); + PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118); + + StartCU(); + AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL, + dwarf2reader::DW_INL_inlined, 0, "inline-name"); + DefineInlineInstanceDIE(&root_handler_, "", 1ULL, + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "", + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); +} + +TEST_F(SimpleCU, UnnamedFunction) { + EXPECT_CALL(reporter_, UnnamedFunction(0xe34797c7e68590a8LL)) + .WillOnce(Return()); + PushLine(0x72b80e41a0ac1d40ULL, 0x537174f231ee181cULL, "line-file", 14044850); + + StartCU(); + DefineFunction(&root_handler_, "", + 0x72b80e41a0ac1d40ULL, 0x537174f231ee181cULL, NULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "", + 0x72b80e41a0ac1d40ULL, 0x537174f231ee181cULL); +} + +// An address range. +struct Range { + Module::Address start, end; +}; + +// Test data for pairing functions and lines. +struct Situation { + // Two function intervals, and two line intervals. + Range functions[2], lines[2]; + + // The number of lines we expect to be assigned to each of the + // functions, and the address ranges. + int paired_count[2]; + Range paired[2][2]; + + // The number of functions that are not entirely covered by lines, + // and vice versa. + int uncovered_functions, uncovered_lines; +}; + +#define PAIRING(func1_start, func1_end, func2_start, func2_end, \ + line1_start, line1_end, line2_start, line2_end, \ + func1_num_lines, func2_num_lines, \ + func1_line1_start, func1_line1_end, \ + func1_line2_start, func1_line2_end, \ + func2_line1_start, func2_line1_end, \ + func2_line2_start, func2_line2_end, \ + uncovered_functions, uncovered_lines) \ + { { { func1_start, func1_end }, { func2_start, func2_end } }, \ + { { line1_start, line1_end }, { line2_start, line2_end } }, \ + { func1_num_lines, func2_num_lines }, \ + { { { func1_line1_start, func1_line1_end }, \ + { func1_line2_start, func1_line2_end } }, \ + { { func2_line1_start, func2_line1_end }, \ + { func2_line2_start, func2_line2_end } } }, \ + uncovered_functions, uncovered_lines }, + +Situation situations[] = { +#include "common/testdata/func-line-pairing.h" +}; + +#undef PAIRING + +class FuncLinePairing: public CUFixtureBase, + public TestWithParam { }; + +INSTANTIATE_TEST_CASE_P(AllSituations, FuncLinePairing, + ValuesIn(situations)); + +TEST_P(FuncLinePairing, Pairing) { + const Situation &s = GetParam(); + PushLine(s.lines[0].start, + s.lines[0].end - s.lines[0].start, + "line-file", 67636963); + PushLine(s.lines[1].start, + s.lines[1].end - s.lines[1].start, + "line-file", 67636963); + if (s.uncovered_functions) + EXPECT_CALL(reporter_, UncoveredFunction(_)) + .Times(s.uncovered_functions) + .WillRepeatedly(Return()); + if (s.uncovered_lines) + EXPECT_CALL(reporter_, UncoveredLine(_)) + .Times(s.uncovered_lines) + .WillRepeatedly(Return()); + + StartCU(); + DefineFunction(&root_handler_, "function1", + s.functions[0].start, + s.functions[0].end - s.functions[0].start, NULL); + DefineFunction(&root_handler_, "function2", + s.functions[1].start, + s.functions[1].end - s.functions[1].start, NULL); + root_handler_.Finish(); + + TestFunctionCount(2); + TestFunction(0, "function1", + s.functions[0].start, + s.functions[0].end - s.functions[0].start); + TestLineCount(0, s.paired_count[0]); + for (int i = 0; i < s.paired_count[0]; i++) + TestLine(0, i, s.paired[0][i].start, + s.paired[0][i].end - s.paired[0][i].start, + "line-file", 67636963); + TestFunction(1, "function2", + s.functions[1].start, + s.functions[1].end - s.functions[1].start); + TestLineCount(1, s.paired_count[1]); + for (int i = 0; i < s.paired_count[1]; i++) + TestLine(1, i, s.paired[1][i].start, + s.paired[1][i].end - s.paired[1][i].start, + "line-file", 67636963); +} + +TEST_F(FuncLinePairing, EmptyCU) { + StartCU(); + root_handler_.Finish(); + + TestFunctionCount(0); +} + +TEST_F(FuncLinePairing, LinesNoFuncs) { + PushLine(40, 2, "line-file", 82485646); + EXPECT_CALL(reporter_, UncoveredLine(_)).WillOnce(Return()); + + StartCU(); + root_handler_.Finish(); + + TestFunctionCount(0); +} + +TEST_F(FuncLinePairing, FuncsNoLines) { + EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return()); + + StartCU(); + DefineFunction(&root_handler_, "function1", 0x127da12ffcf5c51fULL, 0x1000U, + NULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "function1", 0x127da12ffcf5c51fULL, 0x1000U); +} + +TEST_F(FuncLinePairing, GapThenFunction) { + PushLine(20, 2, "line-file-2", 174314698); + PushLine(10, 2, "line-file-1", 263008005); + + StartCU(); + DefineFunction(&root_handler_, "function1", 10, 2, NULL); + DefineFunction(&root_handler_, "function2", 20, 2, NULL); + root_handler_.Finish(); + + TestFunctionCount(2); + TestFunction(0, "function1", 10, 2); + TestLineCount(0, 1); + TestLine(0, 0, 10, 2, "line-file-1", 263008005); + TestFunction(1, "function2", 20, 2); + TestLineCount(1, 1); + TestLine(1, 0, 20, 2, "line-file-2", 174314698); +} + +// If GCC emits padding after one function to align the start of +// the next, then it will attribute the padding instructions to +// the last source line of function (to reduce the size of the +// line number info), but omit it from the DW_AT_{low,high}_pc +// range given in .debug_info (since it costs nothing to be +// precise there). If we did use at least some of the line +// we're about to skip, then assume this is what happened, and +// don't warn. +TEST_F(FuncLinePairing, GCCAlignmentStretch) { + PushLine(10, 10, "line-file", 63351048); + PushLine(20, 10, "line-file", 61661044); + + StartCU(); + DefineFunction(&root_handler_, "function1", 10, 5, NULL); + // five-byte gap between functions, covered by line 63351048. + // This should not elicit a warning. + DefineFunction(&root_handler_, "function2", 20, 10, NULL); + root_handler_.Finish(); + + TestFunctionCount(2); + TestFunction(0, "function1", 10, 5); + TestLineCount(0, 1); + TestLine(0, 0, 10, 5, "line-file", 63351048); + TestFunction(1, "function2", 20, 10); + TestLineCount(1, 1); + TestLine(1, 0, 20, 10, "line-file", 61661044); +} + +// Unfortunately, neither the DWARF parser's handler interface nor the +// DIEHandler interface is capable of expressing a function that abuts +// the end of the address space: the high_pc value looks like zero. + +TEST_F(FuncLinePairing, LineAtEndOfAddressSpace) { + PushLine(0xfffffffffffffff0ULL, 16, "line-file", 63351048); + EXPECT_CALL(reporter_, UncoveredLine(_)).WillOnce(Return()); + + StartCU(); + DefineFunction(&root_handler_, "function1", 0xfffffffffffffff0ULL, 6, NULL); + DefineFunction(&root_handler_, "function2", 0xfffffffffffffffaULL, 5, NULL); + root_handler_.Finish(); + + TestFunctionCount(2); + TestFunction(0, "function1", 0xfffffffffffffff0ULL, 6); + TestLineCount(0, 1); + TestLine(0, 0, 0xfffffffffffffff0ULL, 6, "line-file", 63351048); + TestFunction(1, "function2", 0xfffffffffffffffaULL, 5); + TestLineCount(1, 1); + TestLine(1, 0, 0xfffffffffffffffaULL, 5, "line-file", 63351048); +} + +// A function with more than one uncovered area should only be warned +// about once. +TEST_F(FuncLinePairing, WarnOnceFunc) { + PushLine(20, 1, "line-file-2", 262951329); + PushLine(11, 1, "line-file-1", 219964021); + EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return()); + + StartCU(); + DefineFunction(&root_handler_, "function", 10, 11, NULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "function", 10, 11); + TestLineCount(0, 2); + TestLine(0, 0, 11, 1, "line-file-1", 219964021); + TestLine(0, 1, 20, 1, "line-file-2", 262951329); +} + +// A line with more than one uncovered area should only be warned +// about once. +TEST_F(FuncLinePairing, WarnOnceLine) { + PushLine(10, 20, "filename1", 118581871); + EXPECT_CALL(reporter_, UncoveredLine(_)).WillOnce(Return()); + + StartCU(); + DefineFunction(&root_handler_, "function1", 11, 1, NULL); + DefineFunction(&root_handler_, "function2", 13, 1, NULL); + root_handler_.Finish(); + + TestFunctionCount(2); + TestFunction(0, "function1", 11, 1); + TestLineCount(0, 1); + TestLine(0, 0, 11, 1, "filename1", 118581871); + TestFunction(1, "function2", 13, 1); + TestLineCount(1, 1); + TestLine(1, 0, 13, 1, "filename1", 118581871); +} + +class CXXQualifiedNames: public CUFixtureBase, + public TestWithParam { }; + +INSTANTIATE_TEST_CASE_P(VersusEnclosures, CXXQualifiedNames, + Values(dwarf2reader::DW_TAG_class_type, + dwarf2reader::DW_TAG_structure_type, + dwarf2reader::DW_TAG_union_type, + dwarf2reader::DW_TAG_namespace)); + +TEST_P(CXXQualifiedNames, TwoFunctions) { + DwarfTag tag = GetParam(); + + SetLanguage(dwarf2reader::DW_LANG_C_plus_plus); + PushLine(10, 1, "filename1", 69819327); + PushLine(20, 1, "filename2", 95115701); + + StartCU(); + DIEHandler *enclosure_handler = StartNamedDIE(&root_handler_, tag, + "Enclosure"); + EXPECT_TRUE(enclosure_handler != NULL); + DefineFunction(enclosure_handler, "func_B", 10, 1, NULL); + DefineFunction(enclosure_handler, "func_C", 20, 1, NULL); + enclosure_handler->Finish(); + delete enclosure_handler; + root_handler_.Finish(); + + TestFunctionCount(2); + TestFunction(0, "Enclosure::func_B", 10, 1); + TestFunction(1, "Enclosure::func_C", 20, 1); +} + +TEST_P(CXXQualifiedNames, FuncInEnclosureInNamespace) { + DwarfTag tag = GetParam(); + + SetLanguage(dwarf2reader::DW_LANG_C_plus_plus); + PushLine(10, 1, "line-file", 69819327); + + StartCU(); + DIEHandler *namespace_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace, + "Namespace"); + EXPECT_TRUE(namespace_handler != NULL); + DIEHandler *enclosure_handler = StartNamedDIE(namespace_handler, tag, + "Enclosure"); + EXPECT_TRUE(enclosure_handler != NULL); + DefineFunction(enclosure_handler, "function", 10, 1, NULL); + enclosure_handler->Finish(); + delete enclosure_handler; + namespace_handler->Finish(); + delete namespace_handler; + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "Namespace::Enclosure::function", 10, 1); +} + +TEST_F(CXXQualifiedNames, FunctionInClassInStructInNamespace) { + SetLanguage(dwarf2reader::DW_LANG_C_plus_plus); + PushLine(10, 1, "filename1", 69819327); + + StartCU(); + DIEHandler *namespace_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace, + "namespace_A"); + EXPECT_TRUE(namespace_handler != NULL); + DIEHandler *struct_handler + = StartNamedDIE(namespace_handler, dwarf2reader::DW_TAG_structure_type, + "struct_B"); + EXPECT_TRUE(struct_handler != NULL); + DIEHandler *class_handler + = StartNamedDIE(struct_handler, dwarf2reader::DW_TAG_class_type, + "class_C"); + DefineFunction(class_handler, "function_D", 10, 1, NULL); + class_handler->Finish(); + delete class_handler; + struct_handler->Finish(); + delete struct_handler; + namespace_handler->Finish(); + delete namespace_handler; + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "namespace_A::struct_B::class_C::function_D", 10, 1); +} + +struct LanguageAndQualifiedName { + dwarf2reader::DwarfLanguage language; + const char *name; +}; + +const LanguageAndQualifiedName LanguageAndQualifiedNameCases[] = { + { dwarf2reader::DW_LANG_none, "class_A::function_B" }, + { dwarf2reader::DW_LANG_C, "class_A::function_B" }, + { dwarf2reader::DW_LANG_C89, "class_A::function_B" }, + { dwarf2reader::DW_LANG_C99, "class_A::function_B" }, + { dwarf2reader::DW_LANG_C_plus_plus, "class_A::function_B" }, + { dwarf2reader::DW_LANG_Java, "class_A.function_B" }, + { dwarf2reader::DW_LANG_Cobol74, "class_A::function_B" }, + { dwarf2reader::DW_LANG_Mips_Assembler, NULL } +}; + +class QualifiedForLanguage + : public CUFixtureBase, + public TestWithParam { }; + +INSTANTIATE_TEST_CASE_P(LanguageAndQualifiedName, QualifiedForLanguage, + ValuesIn(LanguageAndQualifiedNameCases)); + +TEST_P(QualifiedForLanguage, MemberFunction) { + const LanguageAndQualifiedName ¶m = GetParam(); + + PushLine(10, 1, "line-file", 212966758); + SetLanguage(param.language); + + StartCU(); + DIEHandler *class_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + "class_A"); + DefineFunction(class_handler, "function_B", 10, 1, NULL); + class_handler->Finish(); + delete class_handler; + root_handler_.Finish(); + + if (param.name) { + TestFunctionCount(1); + TestFunction(0, param.name, 10, 1); + } else { + TestFunctionCount(0); + } +} + +TEST_P(QualifiedForLanguage, MemberFunctionSignedLanguage) { + const LanguageAndQualifiedName ¶m = GetParam(); + + PushLine(10, 1, "line-file", 212966758); + SetLanguage(param.language); + SetLanguageSigned(true); + + StartCU(); + DIEHandler *class_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + "class_A"); + DefineFunction(class_handler, "function_B", 10, 1, NULL); + class_handler->Finish(); + delete class_handler; + root_handler_.Finish(); + + if (param.name) { + TestFunctionCount(1); + TestFunction(0, param.name, 10, 1); + } else { + TestFunctionCount(0); + } +} + +class Specifications: public CUFixtureBase, public Test { }; + +TEST_F(Specifications, Function) { + PushLine(0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL, "line-file", 54883661); + + StartCU(); + DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL, + dwarf2reader::DW_TAG_subprogram, "declaration-name", ""); + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0xcd3c51b946fb1eeeLL, "", + 0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "declaration-name", + 0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL); +} + +TEST_F(Specifications, MangledName) { + PushLine(0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL, "line-file", 54883661); + + StartCU(); + DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL, + dwarf2reader::DW_TAG_subprogram, "declaration-name", + "_ZN1C1fEi"); + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0xcd3c51b946fb1eeeLL, "", + 0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "C::f(int)", + 0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL); +} + +TEST_F(Specifications, MemberFunction) { + PushLine(0x3341a248634e7170ULL, 0x5f6938ee5553b953ULL, "line-file", 18116691); + + StartCU(); + DIEHandler *class_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, "class_A"); + DeclarationDIE(class_handler, 0x7d83028c431406e8ULL, + dwarf2reader::DW_TAG_subprogram, "declaration-name", ""); + class_handler->Finish(); + delete class_handler; + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0x7d83028c431406e8ULL, "", + 0x3341a248634e7170ULL, 0x5f6938ee5553b953ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "class_A::declaration-name", + 0x3341a248634e7170ULL, 0x5f6938ee5553b953ULL); +} + +// This case should gather the name from both the definition and the +// declaration's parent. +TEST_F(Specifications, FunctionDeclarationParent) { + PushLine(0x463c9ddf405be227ULL, 0x6a47774af5049680ULL, "line-file", 70254922); + + StartCU(); + { + DIEHandler *class_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + "class_A"); + ASSERT_TRUE(class_handler != NULL); + DeclarationDIE(class_handler, 0x0e0e877c8404544aULL, + dwarf2reader::DW_TAG_subprogram, "declaration-name", ""); + class_handler->Finish(); + delete class_handler; + } + + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0x0e0e877c8404544aULL, "definition-name", + 0x463c9ddf405be227ULL, 0x6a47774af5049680ULL); + + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "class_A::definition-name", + 0x463c9ddf405be227ULL, 0x6a47774af5049680ULL); +} + +// Named scopes should also gather enclosing name components from +// their declarations. +TEST_F(Specifications, NamedScopeDeclarationParent) { + PushLine(0x5d13433d0df13d00ULL, 0x48ebebe5ade2cab4ULL, "line-file", 77392604); + + StartCU(); + { + DIEHandler *space_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace, + "space_A"); + ASSERT_TRUE(space_handler != NULL); + DeclarationDIE(space_handler, 0x419bb1d12f9a73a2ULL, + dwarf2reader::DW_TAG_class_type, "class-declaration-name", + ""); + space_handler->Finish(); + delete space_handler; + } + + { + DIEHandler *class_handler + = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + 0x419bb1d12f9a73a2ULL, "class-definition-name"); + ASSERT_TRUE(class_handler != NULL); + DefineFunction(class_handler, "function", + 0x5d13433d0df13d00ULL, 0x48ebebe5ade2cab4ULL, NULL); + class_handler->Finish(); + delete class_handler; + } + + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "space_A::class-definition-name::function", + 0x5d13433d0df13d00ULL, 0x48ebebe5ade2cab4ULL); +} + +// This test recreates bug 364. +TEST_F(Specifications, InlineFunction) { + PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118); + + StartCU(); + DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL, + dwarf2reader::DW_TAG_subprogram, "inline-name", ""); + AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL, + dwarf2reader::DW_INL_inlined, 0xcd3c51b946fb1eeeLL, ""); + DefineInlineInstanceDIE(&root_handler_, "", 0x1e8dac5d507ed7abULL, + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "inline-name", + 0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL); +} + +// Check name construction for a long chain containing each combination of: +// - struct, union, class, namespace +// - direct and definition +TEST_F(Specifications, LongChain) { + PushLine(0x5a0dd6bb85db754cULL, 0x3bccb213d08c7fd3ULL, "line-file", 21192926); + SetLanguage(dwarf2reader::DW_LANG_C_plus_plus); + + StartCU(); + // The structure we're building here is: + // space_A full definition + // space_B declaration + // space_B definition + // struct_C full definition + // struct_D declaration + // struct_D definition + // union_E full definition + // union_F declaration + // union_F definition + // class_G full definition + // class_H declaration + // class_H definition + // func_I declaration + // func_I definition + // + // So: + // - space_A, struct_C, union_E, and class_G don't use specifications; + // - space_B, struct_D, union_F, and class_H do. + // - func_I uses a specification. + // + // The full name for func_I is thus: + // + // space_A::space_B::struct_C::struct_D::union_E::union_F:: + // class_G::class_H::func_I + { + DIEHandler *space_A_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace, + "space_A"); + DeclarationDIE(space_A_handler, 0x2e111126496596e2ULL, + dwarf2reader::DW_TAG_namespace, "space_B", ""); + space_A_handler->Finish(); + delete space_A_handler; + } + + { + DIEHandler *space_B_handler + = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace, + 0x2e111126496596e2ULL); + DIEHandler *struct_C_handler + = StartNamedDIE(space_B_handler, dwarf2reader::DW_TAG_structure_type, + "struct_C"); + DeclarationDIE(struct_C_handler, 0x20cd423bf2a25a4cULL, + dwarf2reader::DW_TAG_structure_type, "struct_D", ""); + struct_C_handler->Finish(); + delete struct_C_handler; + space_B_handler->Finish(); + delete space_B_handler; + } + + { + DIEHandler *struct_D_handler + = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_structure_type, + 0x20cd423bf2a25a4cULL); + DIEHandler *union_E_handler + = StartNamedDIE(struct_D_handler, dwarf2reader::DW_TAG_union_type, + "union_E"); + DeclarationDIE(union_E_handler, 0xe25c84805aa58c32ULL, + dwarf2reader::DW_TAG_union_type, "union_F", ""); + union_E_handler->Finish(); + delete union_E_handler; + struct_D_handler->Finish(); + delete struct_D_handler; + } + + { + DIEHandler *union_F_handler + = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_union_type, + 0xe25c84805aa58c32ULL); + DIEHandler *class_G_handler + = StartNamedDIE(union_F_handler, dwarf2reader::DW_TAG_class_type, + "class_G"); + DeclarationDIE(class_G_handler, 0xb70d960dcc173b6eULL, + dwarf2reader::DW_TAG_class_type, "class_H", ""); + class_G_handler->Finish(); + delete class_G_handler; + union_F_handler->Finish(); + delete union_F_handler; + } + + { + DIEHandler *class_H_handler + = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + 0xb70d960dcc173b6eULL); + DeclarationDIE(class_H_handler, 0x27ff829e3bf69f37ULL, + dwarf2reader::DW_TAG_subprogram, "func_I", ""); + class_H_handler->Finish(); + delete class_H_handler; + } + + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0x27ff829e3bf69f37ULL, "", + 0x5a0dd6bb85db754cULL, 0x3bccb213d08c7fd3ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "space_A::space_B::struct_C::struct_D::union_E::union_F" + "::class_G::class_H::func_I", + 0x5a0dd6bb85db754cULL, 0x3bccb213d08c7fd3ULL); +} + +TEST_F(Specifications, InterCU) { + Module m("module-name", "module-os", "module-arch", "module-id"); + DwarfCUToModule::FileContext fc("dwarf-filename", &m, true); + EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return()); + MockLineToModuleHandler lr; + EXPECT_CALL(lr, ReadProgram(_,_,_,_)).Times(0); + + // Kludge: satisfy reporter_'s expectation. + reporter_.SetCUName("compilation-unit-name"); + + // First CU. Declares class_A. + { + DwarfCUToModule root1_handler(&fc, &lr, &reporter_); + ASSERT_TRUE(root1_handler.StartCompilationUnit(0, 1, 2, 3, 3)); + ASSERT_TRUE(root1_handler.StartRootDIE(1, + dwarf2reader::DW_TAG_compile_unit)); + ProcessStrangeAttributes(&root1_handler); + ASSERT_TRUE(root1_handler.EndAttributes()); + DeclarationDIE(&root1_handler, 0xb8fbfdd5f0b26fceULL, + dwarf2reader::DW_TAG_class_type, "class_A", ""); + root1_handler.Finish(); + } + + // Second CU. Defines class_A, declares member_func_B. + { + DwarfCUToModule root2_handler(&fc, &lr, &reporter_); + ASSERT_TRUE(root2_handler.StartCompilationUnit(0, 1, 2, 3, 3)); + ASSERT_TRUE(root2_handler.StartRootDIE(1, + dwarf2reader::DW_TAG_compile_unit)); + ASSERT_TRUE(root2_handler.EndAttributes()); + DIEHandler *class_A_handler + = StartSpecifiedDIE(&root2_handler, dwarf2reader::DW_TAG_class_type, + 0xb8fbfdd5f0b26fceULL); + DeclarationDIE(class_A_handler, 0xb01fef8b380bd1a2ULL, + dwarf2reader::DW_TAG_subprogram, "member_func_B", ""); + class_A_handler->Finish(); + delete class_A_handler; + root2_handler.Finish(); + } + + // Third CU. Defines member_func_B. + { + DwarfCUToModule root3_handler(&fc, &lr, &reporter_); + ASSERT_TRUE(root3_handler.StartCompilationUnit(0, 1, 2, 3, 3)); + ASSERT_TRUE(root3_handler.StartRootDIE(1, + dwarf2reader::DW_TAG_compile_unit)); + ASSERT_TRUE(root3_handler.EndAttributes()); + DefinitionDIE(&root3_handler, dwarf2reader::DW_TAG_subprogram, + 0xb01fef8b380bd1a2ULL, "", + 0x2618f00a1a711e53ULL, 0x4fd94b76d7c2caf5ULL); + root3_handler.Finish(); + } + + vector functions; + m.GetFunctions(&functions, functions.end()); + EXPECT_EQ(1U, functions.size()); + EXPECT_STREQ("class_A::member_func_B", functions[0]->name.c_str()); +} + +TEST_F(Specifications, UnhandledInterCU) { + Module m("module-name", "module-os", "module-arch", "module-id"); + DwarfCUToModule::FileContext fc("dwarf-filename", &m, false); + EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return()); + MockLineToModuleHandler lr; + EXPECT_CALL(lr, ReadProgram(_,_,_,_)).Times(0); + + // Kludge: satisfy reporter_'s expectation. + reporter_.SetCUName("compilation-unit-name"); + + // First CU. Declares class_A. + { + DwarfCUToModule root1_handler(&fc, &lr, &reporter_); + ASSERT_TRUE(root1_handler.StartCompilationUnit(0, 1, 2, 3, 3)); + ASSERT_TRUE(root1_handler.StartRootDIE(1, + dwarf2reader::DW_TAG_compile_unit)); + ProcessStrangeAttributes(&root1_handler); + ASSERT_TRUE(root1_handler.EndAttributes()); + DeclarationDIE(&root1_handler, 0xb8fbfdd5f0b26fceULL, + dwarf2reader::DW_TAG_class_type, "class_A", ""); + root1_handler.Finish(); + } + + // Second CU. Defines class_A, declares member_func_B. + { + DwarfCUToModule root2_handler(&fc, &lr, &reporter_); + ASSERT_TRUE(root2_handler.StartCompilationUnit(0, 1, 2, 3, 3)); + ASSERT_TRUE(root2_handler.StartRootDIE(1, + dwarf2reader::DW_TAG_compile_unit)); + ASSERT_TRUE(root2_handler.EndAttributes()); + EXPECT_CALL(reporter_, UnhandledInterCUReference(_, _)).Times(1); + DIEHandler *class_A_handler + = StartSpecifiedDIE(&root2_handler, dwarf2reader::DW_TAG_class_type, + 0xb8fbfdd5f0b26fceULL); + DeclarationDIE(class_A_handler, 0xb01fef8b380bd1a2ULL, + dwarf2reader::DW_TAG_subprogram, "member_func_B", ""); + class_A_handler->Finish(); + delete class_A_handler; + root2_handler.Finish(); + } + + // Third CU. Defines member_func_B. + { + DwarfCUToModule root3_handler(&fc, &lr, &reporter_); + ASSERT_TRUE(root3_handler.StartCompilationUnit(0, 1, 2, 3, 3)); + ASSERT_TRUE(root3_handler.StartRootDIE(1, + dwarf2reader::DW_TAG_compile_unit)); + ASSERT_TRUE(root3_handler.EndAttributes()); + EXPECT_CALL(reporter_, UnhandledInterCUReference(_, _)).Times(1); + EXPECT_CALL(reporter_, UnnamedFunction(_)).Times(1); + DefinitionDIE(&root3_handler, dwarf2reader::DW_TAG_subprogram, + 0xb01fef8b380bd1a2ULL, "", + 0x2618f00a1a711e53ULL, 0x4fd94b76d7c2caf5ULL); + root3_handler.Finish(); + } +} + +TEST_F(Specifications, BadOffset) { + PushLine(0xa0277efd7ce83771ULL, 0x149554a184c730c1ULL, "line-file", 56636272); + EXPECT_CALL(reporter_, UnknownSpecification(_, 0x2be953efa6f9a996ULL)) + .WillOnce(Return()); + + StartCU(); + DeclarationDIE(&root_handler_, 0xefd7f7752c27b7e4ULL, + dwarf2reader::DW_TAG_subprogram, "", ""); + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0x2be953efa6f9a996ULL, "function", + 0xa0277efd7ce83771ULL, 0x149554a184c730c1ULL); + root_handler_.Finish(); +} + +TEST_F(Specifications, FunctionDefinitionHasOwnName) { + PushLine(0xced50b3eea81022cULL, 0x08dd4d301cc7a7d2ULL, "line-file", 56792403); + + StartCU(); + DeclarationDIE(&root_handler_, 0xc34ff4786cae78bdULL, + dwarf2reader::DW_TAG_subprogram, "declaration-name", ""); + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0xc34ff4786cae78bdULL, "definition-name", + 0xced50b3eea81022cULL, 0x08dd4d301cc7a7d2ULL); + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "definition-name", + 0xced50b3eea81022cULL, 0x08dd4d301cc7a7d2ULL); +} + +TEST_F(Specifications, ClassDefinitionHasOwnName) { + PushLine(0x1d0f5e0f6ce309bdULL, 0x654e1852ec3599e7ULL, "line-file", 57119241); + + StartCU(); + DeclarationDIE(&root_handler_, 0xd0fe467ec2f1a58cULL, + dwarf2reader::DW_TAG_class_type, "class-declaration-name", ""); + + dwarf2reader::DIEHandler *class_definition + = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + 0xd0fe467ec2f1a58cULL, "class-definition-name"); + ASSERT_TRUE(class_definition); + DeclarationDIE(class_definition, 0x6d028229c15623dbULL, + dwarf2reader::DW_TAG_subprogram, + "function-declaration-name", ""); + class_definition->Finish(); + delete class_definition; + + DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram, + 0x6d028229c15623dbULL, "function-definition-name", + 0x1d0f5e0f6ce309bdULL, 0x654e1852ec3599e7ULL); + + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "class-definition-name::function-definition-name", + 0x1d0f5e0f6ce309bdULL, 0x654e1852ec3599e7ULL); +} + +// DIEs that cite a specification should prefer the specification's +// parents over their own when choosing qualified names. In this test, +// we take the name from our definition but the enclosing scope name +// from our declaration. I don't see why they'd ever be different, but +// we want to verify what DwarfCUToModule is looking at. +TEST_F(Specifications, PreferSpecificationParents) { + PushLine(0xbbd9d54dce3b95b7ULL, 0x39188b7b52b0899fULL, "line-file", 79488694); + + StartCU(); + { + dwarf2reader::DIEHandler *declaration_class_handler = + StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + "declaration-class"); + DeclarationDIE(declaration_class_handler, 0x9ddb35517455ef7aULL, + dwarf2reader::DW_TAG_subprogram, "function-declaration", + ""); + declaration_class_handler->Finish(); + delete declaration_class_handler; + } + { + dwarf2reader::DIEHandler *definition_class_handler + = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, + "definition-class"); + DefinitionDIE(definition_class_handler, dwarf2reader::DW_TAG_subprogram, + 0x9ddb35517455ef7aULL, "function-definition", + 0xbbd9d54dce3b95b7ULL, 0x39188b7b52b0899fULL); + definition_class_handler->Finish(); + delete definition_class_handler; + } + root_handler_.Finish(); + + TestFunctionCount(1); + TestFunction(0, "declaration-class::function-definition", + 0xbbd9d54dce3b95b7ULL, 0x39188b7b52b0899fULL); +} + +class CUErrors: public CUFixtureBase, public Test { }; + +TEST_F(CUErrors, BadStmtList) { + EXPECT_CALL(reporter_, BadLineInfoOffset(dummy_line_size_ + 10)).Times(1); + + ASSERT_TRUE(root_handler_ + .StartCompilationUnit(0xc591d5b037543d7cULL, 0x11, 0xcd, + 0x2d7d19546cf6590cULL, 3)); + ASSERT_TRUE(root_handler_.StartRootDIE(0xae789dc102cfca54ULL, + dwarf2reader::DW_TAG_compile_unit)); + root_handler_.ProcessAttributeString(dwarf2reader::DW_AT_name, + dwarf2reader::DW_FORM_strp, + "compilation-unit-name"); + root_handler_.ProcessAttributeUnsigned(dwarf2reader::DW_AT_stmt_list, + dwarf2reader::DW_FORM_ref4, + dummy_line_size_ + 10); + root_handler_.EndAttributes(); + root_handler_.Finish(); +} + +TEST_F(CUErrors, NoLineSection) { + EXPECT_CALL(reporter_, MissingSection(".debug_line")).Times(1); + PushLine(0x88507fb678052611ULL, 0x42c8e9de6bbaa0faULL, "line-file", 64472290); + // Delete the entry for .debug_line added by the fixture class's constructor. + file_context_.ClearSectionMapForTest(); + + StartCU(); + root_handler_.Finish(); +} + +TEST_F(CUErrors, BadDwarfVersion1) { + // Kludge: satisfy reporter_'s expectation. + reporter_.SetCUName("compilation-unit-name"); + + ASSERT_FALSE(root_handler_ + .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90, + 0xc9de224ccb99ac3eULL, 1)); +} + +TEST_F(CUErrors, GoodDwarfVersion2) { + // Kludge: satisfy reporter_'s expectation. + reporter_.SetCUName("compilation-unit-name"); + + ASSERT_TRUE(root_handler_ + .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90, + 0xc9de224ccb99ac3eULL, 2)); +} + +TEST_F(CUErrors, GoodDwarfVersion3) { + // Kludge: satisfy reporter_'s expectation. + reporter_.SetCUName("compilation-unit-name"); + + ASSERT_TRUE(root_handler_ + .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90, + 0xc9de224ccb99ac3eULL, 3)); +} + +TEST_F(CUErrors, BadCURootDIETag) { + // Kludge: satisfy reporter_'s expectation. + reporter_.SetCUName("compilation-unit-name"); + + ASSERT_TRUE(root_handler_ + .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90, + 0xc9de224ccb99ac3eULL, 3)); + + ASSERT_FALSE(root_handler_.StartRootDIE(0x02e56bfbda9e7337ULL, + dwarf2reader::DW_TAG_subprogram)); +} + +// Tests for DwarfCUToModule::Reporter. These just produce (or fail to +// produce) output, so their results need to be checked by hand. +struct Reporter: public Test { + Reporter() + : reporter("filename", 0x123456789abcdef0ULL) { + reporter.SetCUName("compilation-unit-name"); + + function.name = "function name"; + function.address = 0x19c45c30770c1eb0ULL; + function.size = 0x89808a5bdfa0a6a3ULL; + function.parameter_size = 0x6a329f18683dcd51ULL; + + file.name = "source file name"; + + line.address = 0x3606ac6267aebeccULL; + line.size = 0x5de482229f32556aULL; + line.file = &file; + line.number = 93400201; + } + + DwarfCUToModule::WarningReporter reporter; + Module::Function function; + Module::File file; + Module::Line line; +}; + +TEST_F(Reporter, UnknownSpecification) { + reporter.UnknownSpecification(0x123456789abcdef1ULL, 0x323456789abcdef2ULL); +} + +TEST_F(Reporter, UnknownAbstractOrigin) { + reporter.UnknownAbstractOrigin(0x123456789abcdef1ULL, 0x323456789abcdef2ULL); +} + +TEST_F(Reporter, MissingSection) { + reporter.MissingSection("section name"); +} + +TEST_F(Reporter, BadLineInfoOffset) { + reporter.BadLineInfoOffset(0x123456789abcdef1ULL); +} + +TEST_F(Reporter, UncoveredFunctionDisabled) { + reporter.UncoveredFunction(function); + EXPECT_FALSE(reporter.uncovered_warnings_enabled()); +} + +TEST_F(Reporter, UncoveredFunctionEnabled) { + reporter.set_uncovered_warnings_enabled(true); + reporter.UncoveredFunction(function); + EXPECT_TRUE(reporter.uncovered_warnings_enabled()); +} + +TEST_F(Reporter, UncoveredLineDisabled) { + reporter.UncoveredLine(line); + EXPECT_FALSE(reporter.uncovered_warnings_enabled()); +} + +TEST_F(Reporter, UncoveredLineEnabled) { + reporter.set_uncovered_warnings_enabled(true); + reporter.UncoveredLine(line); + EXPECT_TRUE(reporter.uncovered_warnings_enabled()); +} + +TEST_F(Reporter, UnnamedFunction) { + reporter.UnnamedFunction(0x90c0baff9dedb2d9ULL); +} + +// Would be nice to also test: +// - overlapping lines, functions diff --git a/google-breakpad/src/common/dwarf_line_to_module.cc b/google-breakpad/src/common/dwarf_line_to_module.cc new file mode 100644 index 0000000..258b0b6 --- /dev/null +++ b/google-breakpad/src/common/dwarf_line_to_module.cc @@ -0,0 +1,143 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf_line_to_module.cc: Implementation of DwarfLineToModule class. +// See dwarf_line_to_module.h for details. + +#include + +#include + +#include "common/dwarf_line_to_module.h" +#include "common/using_std_string.h" + +// Trying to support Windows paths in a reasonable way adds a lot of +// variations to test; it would be better to just put off dealing with +// it until we actually have to deal with DWARF on Windows. + +// Return true if PATH is an absolute path, false if it is relative. +static bool PathIsAbsolute(const string &path) { + return (path.size() >= 1 && path[0] == '/'); +} + +static bool HasTrailingSlash(const string &path) { + return (path.size() >= 1 && path[path.size() - 1] == '/'); +} + +// If PATH is an absolute path, return PATH. If PATH is a relative path, +// treat it as relative to BASE and return the combined path. +static string ExpandPath(const string &path, + const string &base) { + if (PathIsAbsolute(path) || base.empty()) + return path; + return base + (HasTrailingSlash(base) ? "" : "/") + path; +} + +namespace google_breakpad { + +void DwarfLineToModule::DefineDir(const string &name, uint32 dir_num) { + // Directory number zero is reserved to mean the compilation + // directory. Silently ignore attempts to redefine it. + if (dir_num != 0) + directories_[dir_num] = ExpandPath(name, compilation_dir_); +} + +void DwarfLineToModule::DefineFile(const string &name, int32 file_num, + uint32 dir_num, uint64 mod_time, + uint64 length) { + if (file_num == -1) + file_num = ++highest_file_number_; + else if (file_num > highest_file_number_) + highest_file_number_ = file_num; + + string dir_name; + if (dir_num == 0) { + // Directory number zero is the compilation directory, and is stored as + // an attribute on the compilation unit, rather than in the program table. + dir_name = compilation_dir_; + } else { + DirectoryTable::const_iterator directory_it = directories_.find(dir_num); + if (directory_it != directories_.end()) { + dir_name = directory_it->second; + } else { + if (!warned_bad_directory_number_) { + fprintf(stderr, "warning: DWARF line number data refers to undefined" + " directory numbers\n"); + warned_bad_directory_number_ = true; + } + } + } + + string full_name = ExpandPath(name, dir_name); + + // Find a Module::File object of the given name, and add it to the + // file table. + files_[file_num] = module_->FindFile(full_name); +} + +void DwarfLineToModule::AddLine(uint64 address, uint64 length, + uint32 file_num, uint32 line_num, + uint32 column_num) { + if (length == 0) + return; + + // Clip lines not to extend beyond the end of the address space. + if (address + length < address) + length = -address; + + // Should we omit this line? (See the comments for omitted_line_end_.) + if (address == 0 || address == omitted_line_end_) { + omitted_line_end_ = address + length; + return; + } else { + omitted_line_end_ = 0; + } + + // Find the source file being referred to. + Module::File *file = files_[file_num]; + if (!file) { + if (!warned_bad_file_number_) { + fprintf(stderr, "warning: DWARF line number data refers to " + "undefined file numbers\n"); + warned_bad_file_number_ = true; + } + return; + } + Module::Line line; + line.address = address; + // We set the size when we get the next line or the EndSequence call. + line.size = length; + line.file = file; + line.number = line_num; + lines_->push_back(line); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/dwarf_line_to_module.h b/google-breakpad/src/common/dwarf_line_to_module.h new file mode 100644 index 0000000..1fdd4cb --- /dev/null +++ b/google-breakpad/src/common/dwarf_line_to_module.h @@ -0,0 +1,188 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// The DwarfLineToModule class accepts line number information from a +// DWARF parser and adds it to a google_breakpad::Module. The Module +// can write that data out as a Breakpad symbol file. + +#ifndef COMMON_LINUX_DWARF_LINE_TO_MODULE_H +#define COMMON_LINUX_DWARF_LINE_TO_MODULE_H + +#include + +#include "common/module.h" +#include "common/dwarf/dwarf2reader.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +// A class for producing a vector of google_breakpad::Module::Line +// instances from parsed DWARF line number data. +// +// An instance of this class can be provided as a handler to a +// dwarf2reader::LineInfo DWARF line number information parser. The +// handler accepts source location information from the parser and +// uses it to produce a vector of google_breakpad::Module::Line +// objects, referring to google_breakpad::Module::File objects added +// to a particular google_breakpad::Module. +// +// GNU toolchain omitted sections support: +// ====================================== +// +// Given the right options, the GNU toolchain will omit unreferenced +// functions from the final executable. Unfortunately, when it does so, it +// does not remove the associated portions of the DWARF line number +// program; instead, it gives the DW_LNE_set_address instructions referring +// to the now-deleted code addresses of zero. Given this input, the DWARF +// line parser will call AddLine with a series of lines starting at address +// zero. For example, here is the output from 'readelf -wl' for a program +// with four functions, the first three of which have been omitted: +// +// Line Number Statements: +// Extended opcode 2: set Address to 0x0 +// Advance Line by 14 to 15 +// Copy +// Special opcode 48: advance Address by 3 to 0x3 and Line by 1 to 16 +// Special opcode 119: advance Address by 8 to 0xb and Line by 2 to 18 +// Advance PC by 2 to 0xd +// Extended opcode 1: End of Sequence +// +// Extended opcode 2: set Address to 0x0 +// Advance Line by 14 to 15 +// Copy +// Special opcode 48: advance Address by 3 to 0x3 and Line by 1 to 16 +// Special opcode 119: advance Address by 8 to 0xb and Line by 2 to 18 +// Advance PC by 2 to 0xd +// Extended opcode 1: End of Sequence +// +// Extended opcode 2: set Address to 0x0 +// Advance Line by 19 to 20 +// Copy +// Special opcode 48: advance Address by 3 to 0x3 and Line by 1 to 21 +// Special opcode 76: advance Address by 5 to 0x8 and Line by 1 to 22 +// Advance PC by 2 to 0xa +// Extended opcode 1: End of Sequence +// +// Extended opcode 2: set Address to 0x80483a4 +// Advance Line by 23 to 24 +// Copy +// Special opcode 202: advance Address by 14 to 0x80483b2 and Line by 1 to 25 +// Special opcode 76: advance Address by 5 to 0x80483b7 and Line by 1 to 26 +// Advance PC by 6 to 0x80483bd +// Extended opcode 1: End of Sequence +// +// Instead of collecting runs of lines describing code that is not there, +// we try to recognize and drop them. Since the linker doesn't explicitly +// distinguish references to dropped sections from genuine references to +// code at address zero, we must use a heuristic. We have chosen: +// +// - If a line starts at address zero, omit it. (On the platforms +// breakpad targets, it is extremely unlikely that there will be code +// at address zero.) +// +// - If a line starts immediately after an omitted line, omit it too. +class DwarfLineToModule: public dwarf2reader::LineInfoHandler { + public: + // As the DWARF line info parser passes us line records, add source + // files to MODULE, and add all lines to the end of LINES. LINES + // need not be empty. If the parser hands us a zero-length line, we + // omit it. If the parser hands us a line that extends beyond the + // end of the address space, we clip it. It's up to our client to + // sort out which lines belong to which functions; we don't add them + // to any particular function in MODULE ourselves. + DwarfLineToModule(Module *module, const string& compilation_dir, + vector *lines) + : module_(module), + compilation_dir_(compilation_dir), + lines_(lines), + highest_file_number_(-1), + omitted_line_end_(0), + warned_bad_file_number_(false), + warned_bad_directory_number_(false) { } + + ~DwarfLineToModule() { } + + void DefineDir(const string &name, uint32 dir_num); + void DefineFile(const string &name, int32 file_num, + uint32 dir_num, uint64 mod_time, + uint64 length); + void AddLine(uint64 address, uint64 length, + uint32 file_num, uint32 line_num, uint32 column_num); + + private: + + typedef std::map DirectoryTable; + typedef std::map FileTable; + + // The module we're contributing debugging info to. Owned by our + // client. + Module *module_; + + // The compilation directory for the current compilation unit whose + // lines are being accumulated. + string compilation_dir_; + + // The vector of lines we're accumulating. Owned by our client. + // + // In a Module, as in a breakpad symbol file, lines belong to + // specific functions, but DWARF simply assigns lines to addresses; + // one must infer the line/function relationship using the + // functions' beginning and ending addresses. So we can't add these + // to the appropriate function from module_ until we've read the + // function info as well. Instead, we accumulate lines here, and let + // whoever constructed this sort it all out. + vector *lines_; + + // A table mapping directory numbers to paths. + DirectoryTable directories_; + + // A table mapping file numbers to Module::File pointers. + FileTable files_; + + // The highest file number we've seen so far, or -1 if we've seen + // none. Used for dynamically defined file numbers. + int32 highest_file_number_; + + // This is the ending address of the last line we omitted, or zero if we + // didn't omit the previous line. It is zero before we have received any + // AddLine calls. + uint64 omitted_line_end_; + + // True if we've warned about: + bool warned_bad_file_number_; // bad file numbers + bool warned_bad_directory_number_; // bad directory numbers +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_DWARF_LINE_TO_MODULE_H diff --git a/google-breakpad/src/common/dwarf_line_to_module_unittest.cc b/google-breakpad/src/common/dwarf_line_to_module_unittest.cc new file mode 100644 index 0000000..7c0fcfd --- /dev/null +++ b/google-breakpad/src/common/dwarf_line_to_module_unittest.cc @@ -0,0 +1,391 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dwarf_line_to_module.cc: Unit tests for google_breakpad::DwarfLineToModule. + +#include + +#include "breakpad_googletest_includes.h" +#include "common/dwarf_line_to_module.h" + +using std::vector; + +using google_breakpad::DwarfLineToModule; +using google_breakpad::Module; +using google_breakpad::Module; + +TEST(SimpleModule, One) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("file1", 0x30bf0f27, 0, 0, 0); + h.AddLine(0x6fd126fbf74f2680LL, 0x63c9a14cf556712bLL, 0x30bf0f27, + 0x4c090cbf, 0x1cf9fe0d); + + vector files; + m.GetFiles(&files); + EXPECT_EQ(1U, files.size()); + EXPECT_STREQ("/file1", files[0]->name.c_str()); + + EXPECT_EQ(1U, lines.size()); + EXPECT_EQ(0x6fd126fbf74f2680ULL, lines[0].address); + EXPECT_EQ(0x63c9a14cf556712bULL, lines[0].size); + EXPECT_TRUE(lines[0].file == files[0]); + EXPECT_EQ(0x4c090cbf, lines[0].number); +} + +TEST(SimpleModule, Many) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("directory1", 0x838299ab); + h.DefineDir("directory2", 0xf85de023); + h.DefineFile("file1", 0x2b80377a, 0x838299ab, 0, 0); + h.DefineFile("file1", 0x63beb4a4, 0xf85de023, 0, 0); + h.DefineFile("file2", 0x1d161d56, 0x838299ab, 0, 0); + h.DefineFile("file2", 0x1e7a667c, 0xf85de023, 0, 0); + h.AddLine(0x69900c5d553b7274ULL, 0x90fded183f0d0d3cULL, 0x2b80377a, + 0x15b0f0a9U, 0x3ff5abd6U); + h.AddLine(0x45811219a39b7101ULL, 0x25a5e6a924afc41fULL, 0x63beb4a4, + 0x4d259ce9U, 0x41c5ee32U); + h.AddLine(0xfa90514c1dc9704bULL, 0x0063efeabc02f313ULL, 0x1d161d56, + 0x1ee9fa4fU, 0xbf70e46aU); + h.AddLine(0x556b55fb6a647b10ULL, 0x3f3089ca2bfd80f5ULL, 0x1e7a667c, + 0x77fc280eU, 0x2c4a728cU); + h.DefineFile("file3", -1, 0, 0, 0); + h.AddLine(0xe2d72a37f8d9403aULL, 0x034dfab5b0d4d236ULL, 0x63beb4a5, + 0x75047044U, 0xb6a0016cU); + + vector files; + m.GetFiles(&files); + ASSERT_EQ(5U, files.size()); + EXPECT_STREQ("/directory1/file1", files[0]->name.c_str()); + EXPECT_STREQ("/directory1/file2", files[1]->name.c_str()); + EXPECT_STREQ("/directory2/file1", files[2]->name.c_str()); + EXPECT_STREQ("/directory2/file2", files[3]->name.c_str()); + EXPECT_STREQ("/file3", files[4]->name.c_str()); + + ASSERT_EQ(5U, lines.size()); + + EXPECT_EQ(0x69900c5d553b7274ULL, lines[0].address); + EXPECT_EQ(0x90fded183f0d0d3cULL, lines[0].size); + EXPECT_TRUE(lines[0].file == files[0]); + EXPECT_EQ(0x15b0f0a9, lines[0].number); + + EXPECT_EQ(0x45811219a39b7101ULL, lines[1].address); + EXPECT_EQ(0x25a5e6a924afc41fULL, lines[1].size); + EXPECT_TRUE(lines[1].file == files[2]); + EXPECT_EQ(0x4d259ce9, lines[1].number); + + EXPECT_EQ(0xfa90514c1dc9704bULL, lines[2].address); + EXPECT_EQ(0x0063efeabc02f313ULL, lines[2].size); + EXPECT_TRUE(lines[2].file == files[1]); + EXPECT_EQ(0x1ee9fa4f, lines[2].number); + + EXPECT_EQ(0x556b55fb6a647b10ULL, lines[3].address); + EXPECT_EQ(0x3f3089ca2bfd80f5ULL, lines[3].size); + EXPECT_TRUE(lines[3].file == files[3]); + EXPECT_EQ(0x77fc280e, lines[3].number); + + EXPECT_EQ(0xe2d72a37f8d9403aULL, lines[4].address); + EXPECT_EQ(0x034dfab5b0d4d236ULL, lines[4].size); + EXPECT_TRUE(lines[4].file == files[4]); + EXPECT_EQ(0x75047044, lines[4].number); +} + +TEST(Filenames, Absolute) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("directory1", 1); + h.DefineFile("/absolute", 1, 1, 0, 0); + + h.AddLine(1, 1, 1, 0, 0); + + vector files; + m.GetFiles(&files); + ASSERT_EQ(1U, files.size()); + EXPECT_STREQ("/absolute", files[0]->name.c_str()); + ASSERT_EQ(1U, lines.size()); + EXPECT_TRUE(lines[0].file == files[0]); +} + +TEST(Filenames, Relative) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("directory1", 1); + h.DefineFile("relative", 1, 1, 0, 0); + + h.AddLine(1, 1, 1, 0, 0); + + vector files; + m.GetFiles(&files); + ASSERT_EQ(1U, files.size()); + EXPECT_STREQ("/directory1/relative", files[0]->name.c_str()); + ASSERT_EQ(1U, lines.size()); + EXPECT_TRUE(lines[0].file == files[0]); +} + +TEST(Filenames, StrangeFile) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("directory1", 1); + h.DefineFile("", 1, 1, 0, 0); + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("/directory1/", lines[0].file->name.c_str()); +} + +TEST(Filenames, StrangeDirectory) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("", 1); + h.DefineFile("file1", 1, 1, 0, 0); + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("/file1", lines[0].file->name.c_str()); +} + +TEST(Filenames, StrangeDirectoryAndFile) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("", 1); + h.DefineFile("", 1, 1, 0, 0); + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("/", lines[0].file->name.c_str()); +} + +// We should use the compilation directory when encountering a file for +// directory number zero. +TEST(Filenames, DirectoryZeroFileIsRelativeToCompilationDir) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "src/build", &lines); + + h.DefineDir("Dir", 1); + h.DefineFile("File", 1, 0, 0, 0); + + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("src/build/File", lines[0].file->name.c_str()); +} + +// We should treat non-absolute directories as relative to the compilation +// directory. +TEST(Filenames, IncludeDirectoryRelativeToDirectoryZero) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "src/build", &lines); + + h.DefineDir("Dir", 1); + h.DefineFile("File", 1, 1, 0, 0); + + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("src/build/Dir/File", lines[0].file->name.c_str()); +} + +// We should treat absolute directories as absolute, and not relative to +// the compilation dir. +TEST(Filenames, IncludeDirectoryAbsolute) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "src/build", &lines); + + h.DefineDir("/Dir", 1); + h.DefineFile("File", 1, 1, 0, 0); + + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("/Dir/File", lines[0].file->name.c_str()); +} + +// We should silently ignore attempts to define directory number zero, +// since that is always the compilation directory. +TEST(ModuleErrors, DirectoryZero) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("directory0", 0); // should be ignored + h.DefineFile("relative", 1, 0, 0, 0); + + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("/relative", lines[0].file->name.c_str()); +} + +// We should refuse to add lines with bogus file numbers. We should +// produce only one warning, however. +TEST(ModuleErrors, BadFileNumber) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("relative", 1, 0, 0, 0); + h.AddLine(1, 1, 2, 0, 0); // bad file number + h.AddLine(2, 1, 2, 0, 0); // bad file number (no duplicate warning) + + EXPECT_EQ(0U, lines.size()); +} + +// We should treat files with bogus directory numbers as relative to +// the compilation unit. +TEST(ModuleErrors, BadDirectoryNumber) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineDir("directory1", 1); + h.DefineFile("baddirnumber1", 1, 2, 0, 0); // bad directory number + h.DefineFile("baddirnumber2", 2, 2, 0, 0); // bad dir number (no warning) + h.AddLine(1, 1, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_STREQ("baddirnumber1", lines[0].file->name.c_str()); +} + +// We promise not to report empty lines. +TEST(ModuleErrors, EmptyLine) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("filename1", 1, 0, 0, 0); + h.AddLine(1, 0, 1, 0, 0); + + ASSERT_EQ(0U, lines.size()); +} + +// We are supposed to clip lines that extend beyond the end of the +// address space. +TEST(ModuleErrors, BigLine) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("filename1", 1, 0, 0, 0); + h.AddLine(0xffffffffffffffffULL, 2, 1, 0, 0); + + ASSERT_EQ(1U, lines.size()); + EXPECT_EQ(1U, lines[0].size); +} + +// The 'Omitted' tests verify that we correctly omit line information +// for code in sections that the linker has dropped. See "GNU +// toolchain omitted sections support" at the top of the +// DwarfLineToModule class. + +TEST(Omitted, DroppedThenGood) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("filename1", 1, 0, 0, 0); + h.AddLine(0, 10, 1, 83816211, 0); // should be omitted + h.AddLine(20, 10, 1, 13059195, 0); // should be recorded + + ASSERT_EQ(1U, lines.size()); + EXPECT_EQ(13059195, lines[0].number); +} + +TEST(Omitted, GoodThenDropped) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("filename1", 1, 0, 0, 0); + h.AddLine(0x9dd6a372, 10, 1, 41454594, 0); // should be recorded + h.AddLine(0, 10, 1, 44793413, 0); // should be omitted + + ASSERT_EQ(1U, lines.size()); + EXPECT_EQ(41454594, lines[0].number); +} + +TEST(Omitted, Mix1) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("filename1", 1, 0, 0, 0); + h.AddLine(0x679ed72f, 10, 1, 58932642, 0); // should be recorded + h.AddLine(0xdfb5a72d, 10, 1, 39847385, 0); // should be recorded + h.AddLine(0, 0x78, 1, 23053829, 0); // should be omitted + h.AddLine(0x78, 0x6a, 1, 65317783, 0); // should be omitted + h.AddLine(0x78 + 0x6a, 0x2a, 1, 77601423, 0); // should be omitted + h.AddLine(0x9fe0cea5, 10, 1, 91806582, 0); // should be recorded + h.AddLine(0x7e41a109, 10, 1, 56169221, 0); // should be recorded + + ASSERT_EQ(4U, lines.size()); + EXPECT_EQ(58932642, lines[0].number); + EXPECT_EQ(39847385, lines[1].number); + EXPECT_EQ(91806582, lines[2].number); + EXPECT_EQ(56169221, lines[3].number); +} + +TEST(Omitted, Mix2) { + Module m("name", "os", "architecture", "id"); + vector lines; + DwarfLineToModule h(&m, "/", &lines); + + h.DefineFile("filename1", 1, 0, 0, 0); + h.AddLine(0, 0xf2, 1, 58802211, 0); // should be omitted + h.AddLine(0xf2, 0xb9, 1, 78958222, 0); // should be omitted + h.AddLine(0xf2 + 0xb9, 0xf7, 1, 64861892, 0); // should be omitted + h.AddLine(0x4e4d271e, 9, 1, 67355743, 0); // should be recorded + h.AddLine(0xdfb5a72d, 30, 1, 23365776, 0); // should be recorded + h.AddLine(0, 0x64, 1, 76196762, 0); // should be omitted + h.AddLine(0x64, 0x33, 1, 71066611, 0); // should be omitted + h.AddLine(0x64 + 0x33, 0xe3, 1, 61749337, 0); // should be omitted + + ASSERT_EQ(2U, lines.size()); + EXPECT_EQ(67355743, lines[0].number); + EXPECT_EQ(23365776, lines[1].number); +} diff --git a/google-breakpad/src/common/language.cc b/google-breakpad/src/common/language.cc new file mode 100644 index 0000000..c2fd81f --- /dev/null +++ b/google-breakpad/src/common/language.cc @@ -0,0 +1,83 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// language.cc: Subclasses and singletons for google_breakpad::Language. +// See language.h for details. + +#include "common/language.h" + +namespace google_breakpad { + +// C++ language-specific operations. +class CPPLanguage: public Language { + public: + CPPLanguage() {} + string MakeQualifiedName(const string &parent_name, + const string &name) const { + if (parent_name.empty()) + return name; + else + return parent_name + "::" + name; + } +}; + +CPPLanguage CPPLanguageSingleton; + +// Java language-specific operations. +class JavaLanguage: public Language { + public: + string MakeQualifiedName(const string &parent_name, + const string &name) const { + if (parent_name.empty()) + return name; + else + return parent_name + "." + name; + } +}; + +JavaLanguage JavaLanguageSingleton; + +// Assembler language-specific operations. +class AssemblerLanguage: public Language { + bool HasFunctions() const { return false; } + string MakeQualifiedName(const string &parent_name, + const string &name) const { + return name; + } +}; + +AssemblerLanguage AssemblerLanguageSingleton; + +const Language * const Language::CPlusPlus = &CPPLanguageSingleton; +const Language * const Language::Java = &JavaLanguageSingleton; +const Language * const Language::Assembler = &AssemblerLanguageSingleton; + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/language.h b/google-breakpad/src/common/language.h new file mode 100644 index 0000000..bbe3033 --- /dev/null +++ b/google-breakpad/src/common/language.h @@ -0,0 +1,88 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// language.h: Define google_breakpad::Language. Instances of +// subclasses of this class provide language-appropriate operations +// for the Breakpad symbol dumper. + +#ifndef COMMON_LINUX_LANGUAGE_H__ +#define COMMON_LINUX_LANGUAGE_H__ + +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +// An abstract base class for language-specific operations. We choose +// an instance of a subclass of this when we find the CU's language. +// This class's definitions are appropriate for CUs with no specified +// language. +class Language { + public: + // A base class destructor should be either public and virtual, + // or protected and nonvirtual. + virtual ~Language() {} + + // Return true if this language has functions to which we can assign + // line numbers. (Debugging info for assembly language, for example, + // can have source location information, but does not have functions + // recorded using DW_TAG_subprogram DIEs.) + virtual bool HasFunctions() const { return true; } + + // Construct a fully-qualified, language-appropriate form of NAME, + // given that PARENT_NAME is the name of the construct enclosing + // NAME. If PARENT_NAME is the empty string, then NAME is a + // top-level name. + // + // This API sort of assumes that a fully-qualified name is always + // some simple textual composition of the unqualified name and its + // parent's name, and that we don't need to know anything else about + // the parent or the child (say, their DIEs' tags) to do the job. + // This is true for the languages we support at the moment, and + // keeps things concrete. Perhaps a more refined operation would + // take into account the parent and child DIE types, allow languages + // to use their own data type for complex parent names, etc. But if + // C++ doesn't need all that, who would? + virtual string MakeQualifiedName (const string &parent_name, + const string &name) const = 0; + + // Instances for specific languages. + static const Language * const CPlusPlus, + * const Java, + * const Assembler; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_LANGUAGE_H__ diff --git a/google-breakpad/src/common/linux/dump_symbols.cc b/google-breakpad/src/common/linux/dump_symbols.cc new file mode 100644 index 0000000..014e7c3 --- /dev/null +++ b/google-breakpad/src/common/linux/dump_symbols.cc @@ -0,0 +1,905 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Restructured in 2009 by: Jim Blandy + +// dump_symbols.cc: implement google_breakpad::WriteSymbolFile: +// Find all the debugging info in a file and dump it as a Breakpad symbol file. + +#include "common/linux/dump_symbols.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "common/dwarf/bytereader-inl.h" +#include "common/dwarf/dwarf2diehandler.h" +#include "common/dwarf_cfi_to_module.h" +#include "common/dwarf_cu_to_module.h" +#include "common/dwarf_line_to_module.h" +#include "common/linux/elfutils.h" +#include "common/linux/elfutils-inl.h" +#include "common/linux/elf_symbols_to_module.h" +#include "common/linux/file_id.h" +#include "common/module.h" +#include "common/scoped_ptr.h" +#ifndef NO_STABS_SUPPORT +#include "common/stabs_reader.h" +#include "common/stabs_to_module.h" +#endif +#include "common/using_std_string.h" + +// This namespace contains helper functions. +namespace { + +using google_breakpad::DumpOptions; +using google_breakpad::DwarfCFIToModule; +using google_breakpad::DwarfCUToModule; +using google_breakpad::DwarfLineToModule; +using google_breakpad::ElfClass; +using google_breakpad::ElfClass32; +using google_breakpad::ElfClass64; +using google_breakpad::FindElfSectionByName; +using google_breakpad::GetOffset; +using google_breakpad::IsValidElf; +using google_breakpad::Module; +#ifndef NO_STABS_SUPPORT +using google_breakpad::StabsToModule; +#endif +using google_breakpad::scoped_ptr; + +// +// FDWrapper +// +// Wrapper class to make sure opened file is closed. +// +class FDWrapper { + public: + explicit FDWrapper(int fd) : + fd_(fd) {} + ~FDWrapper() { + if (fd_ != -1) + close(fd_); + } + int get() { + return fd_; + } + int release() { + int fd = fd_; + fd_ = -1; + return fd; + } + private: + int fd_; +}; + +// +// MmapWrapper +// +// Wrapper class to make sure mapped regions are unmapped. +// +class MmapWrapper { + public: + MmapWrapper() : is_set_(false) {} + ~MmapWrapper() { + if (is_set_ && base_ != NULL) { + assert(size_ > 0); + munmap(base_, size_); + } + } + void set(void *mapped_address, size_t mapped_size) { + is_set_ = true; + base_ = mapped_address; + size_ = mapped_size; + } + void release() { + assert(is_set_); + is_set_ = false; + base_ = NULL; + size_ = 0; + } + + private: + bool is_set_; + void *base_; + size_t size_; +}; + +// Find the preferred loading address of the binary. +template +typename ElfClass::Addr GetLoadingAddress( + const typename ElfClass::Phdr* program_headers, + int nheader) { + typedef typename ElfClass::Phdr Phdr; + + // For non-PIC executables (e_type == ET_EXEC), the load address is + // the start address of the first PT_LOAD segment. (ELF requires + // the segments to be sorted by load address.) For PIC executables + // and dynamic libraries (e_type == ET_DYN), this address will + // normally be zero. + for (int i = 0; i < nheader; ++i) { + const Phdr& header = program_headers[i]; + if (header.p_type == PT_LOAD) + return header.p_vaddr; + } + return 0; +} + +#ifndef NO_STABS_SUPPORT +template +bool LoadStabs(const typename ElfClass::Ehdr* elf_header, + const typename ElfClass::Shdr* stab_section, + const typename ElfClass::Shdr* stabstr_section, + const bool big_endian, + Module* module) { + // A callback object to handle data from the STABS reader. + StabsToModule handler(module); + // Find the addresses of the STABS data, and create a STABS reader object. + // On Linux, STABS entries always have 32-bit values, regardless of the + // address size of the architecture whose code they're describing, and + // the strings are always "unitized". + const uint8_t* stabs = + GetOffset(elf_header, stab_section->sh_offset); + const uint8_t* stabstr = + GetOffset(elf_header, stabstr_section->sh_offset); + google_breakpad::StabsReader reader(stabs, stab_section->sh_size, + stabstr, stabstr_section->sh_size, + big_endian, 4, true, &handler); + // Read the STABS data, and do post-processing. + if (!reader.Process()) + return false; + handler.Finalize(); + return true; +} +#endif // NO_STABS_SUPPORT + +// A line-to-module loader that accepts line number info parsed by +// dwarf2reader::LineInfo and populates a Module and a line vector +// with the results. +class DumperLineToModule: public DwarfCUToModule::LineToModuleHandler { + public: + // Create a line-to-module converter using BYTE_READER. + explicit DumperLineToModule(dwarf2reader::ByteReader *byte_reader) + : byte_reader_(byte_reader) { } + void StartCompilationUnit(const string& compilation_dir) { + compilation_dir_ = compilation_dir; + } + void ReadProgram(const char *program, uint64 length, + Module *module, std::vector *lines) { + DwarfLineToModule handler(module, compilation_dir_, lines); + dwarf2reader::LineInfo parser(program, length, byte_reader_, &handler); + parser.Start(); + } + private: + string compilation_dir_; + dwarf2reader::ByteReader *byte_reader_; +}; + +template +bool LoadDwarf(const string& dwarf_filename, + const typename ElfClass::Ehdr* elf_header, + const bool big_endian, + bool handle_inter_cu_refs, + Module* module) { + typedef typename ElfClass::Shdr Shdr; + + const dwarf2reader::Endianness endianness = big_endian ? + dwarf2reader::ENDIANNESS_BIG : dwarf2reader::ENDIANNESS_LITTLE; + dwarf2reader::ByteReader byte_reader(endianness); + + // Construct a context for this file. + DwarfCUToModule::FileContext file_context(dwarf_filename, + module, + handle_inter_cu_refs); + + // Build a map of the ELF file's sections. + const Shdr* sections = + GetOffset(elf_header, elf_header->e_shoff); + int num_sections = elf_header->e_shnum; + const Shdr* section_names = sections + elf_header->e_shstrndx; + for (int i = 0; i < num_sections; i++) { + const Shdr* section = §ions[i]; + string name = GetOffset(elf_header, + section_names->sh_offset) + + section->sh_name; + const char* contents = GetOffset(elf_header, + section->sh_offset); + file_context.AddSectionToSectionMap(name, contents, section->sh_size); + } + + // Parse all the compilation units in the .debug_info section. + DumperLineToModule line_to_module(&byte_reader); + dwarf2reader::SectionMap::const_iterator debug_info_entry = + file_context.section_map().find(".debug_info"); + assert(debug_info_entry != file_context.section_map().end()); + const std::pair& debug_info_section = + debug_info_entry->second; + // This should never have been called if the file doesn't have a + // .debug_info section. + assert(debug_info_section.first); + uint64 debug_info_length = debug_info_section.second; + for (uint64 offset = 0; offset < debug_info_length;) { + // Make a handler for the root DIE that populates MODULE with the + // data that was found. + DwarfCUToModule::WarningReporter reporter(dwarf_filename, offset); + DwarfCUToModule root_handler(&file_context, &line_to_module, &reporter); + // Make a Dwarf2Handler that drives the DIEHandler. + dwarf2reader::DIEDispatcher die_dispatcher(&root_handler); + // Make a DWARF parser for the compilation unit at OFFSET. + dwarf2reader::CompilationUnit reader(file_context.section_map(), + offset, + &byte_reader, + &die_dispatcher); + // Process the entire compilation unit; get the offset of the next. + offset += reader.Start(); + } + return true; +} + +// Fill REGISTER_NAMES with the register names appropriate to the +// machine architecture given in HEADER, indexed by the register +// numbers used in DWARF call frame information. Return true on +// success, or false if HEADER's machine architecture is not +// supported. +template +bool DwarfCFIRegisterNames(const typename ElfClass::Ehdr* elf_header, + std::vector* register_names) { + switch (elf_header->e_machine) { + case EM_386: + *register_names = DwarfCFIToModule::RegisterNames::I386(); + return true; + case EM_ARM: + *register_names = DwarfCFIToModule::RegisterNames::ARM(); + return true; + case EM_X86_64: + *register_names = DwarfCFIToModule::RegisterNames::X86_64(); + return true; + default: + return false; + } +} + +template +bool LoadDwarfCFI(const string& dwarf_filename, + const typename ElfClass::Ehdr* elf_header, + const char* section_name, + const typename ElfClass::Shdr* section, + const bool eh_frame, + const typename ElfClass::Shdr* got_section, + const typename ElfClass::Shdr* text_section, + const bool big_endian, + Module* module) { + // Find the appropriate set of register names for this file's + // architecture. + std::vector register_names; + if (!DwarfCFIRegisterNames(elf_header, ®ister_names)) { + fprintf(stderr, "%s: unrecognized ELF machine architecture '%d';" + " cannot convert DWARF call frame information\n", + dwarf_filename.c_str(), elf_header->e_machine); + return false; + } + + const dwarf2reader::Endianness endianness = big_endian ? + dwarf2reader::ENDIANNESS_BIG : dwarf2reader::ENDIANNESS_LITTLE; + + // Find the call frame information and its size. + const char* cfi = + GetOffset(elf_header, section->sh_offset); + size_t cfi_size = section->sh_size; + + // Plug together the parser, handler, and their entourages. + DwarfCFIToModule::Reporter module_reporter(dwarf_filename, section_name); + DwarfCFIToModule handler(module, register_names, &module_reporter); + dwarf2reader::ByteReader byte_reader(endianness); + + byte_reader.SetAddressSize(ElfClass::kAddrSize); + + // Provide the base addresses for .eh_frame encoded pointers, if + // possible. + byte_reader.SetCFIDataBase(section->sh_addr, cfi); + if (got_section) + byte_reader.SetDataBase(got_section->sh_addr); + if (text_section) + byte_reader.SetTextBase(text_section->sh_addr); + + dwarf2reader::CallFrameInfo::Reporter dwarf_reporter(dwarf_filename, + section_name); + dwarf2reader::CallFrameInfo parser(cfi, cfi_size, + &byte_reader, &handler, &dwarf_reporter, + eh_frame); + parser.Start(); + return true; +} + +bool LoadELF(const string& obj_file, MmapWrapper* map_wrapper, + void** elf_header) { + int obj_fd = open(obj_file.c_str(), O_RDONLY); + if (obj_fd < 0) { + fprintf(stderr, "Failed to open ELF file '%s': %s\n", + obj_file.c_str(), strerror(errno)); + return false; + } + FDWrapper obj_fd_wrapper(obj_fd); + struct stat st; + if (fstat(obj_fd, &st) != 0 && st.st_size <= 0) { + fprintf(stderr, "Unable to fstat ELF file '%s': %s\n", + obj_file.c_str(), strerror(errno)); + return false; + } + void *obj_base = mmap(NULL, st.st_size, + PROT_READ | PROT_WRITE, MAP_PRIVATE, obj_fd, 0); + if (obj_base == MAP_FAILED) { + fprintf(stderr, "Failed to mmap ELF file '%s': %s\n", + obj_file.c_str(), strerror(errno)); + return false; + } + map_wrapper->set(obj_base, st.st_size); + *elf_header = obj_base; + if (!IsValidElf(*elf_header)) { + fprintf(stderr, "Not a valid ELF file: %s\n", obj_file.c_str()); + return false; + } + return true; +} + +// Get the endianness of ELF_HEADER. If it's invalid, return false. +template +bool ElfEndianness(const typename ElfClass::Ehdr* elf_header, + bool* big_endian) { + if (elf_header->e_ident[EI_DATA] == ELFDATA2LSB) { + *big_endian = false; + return true; + } + if (elf_header->e_ident[EI_DATA] == ELFDATA2MSB) { + *big_endian = true; + return true; + } + + fprintf(stderr, "bad data encoding in ELF header: %d\n", + elf_header->e_ident[EI_DATA]); + return false; +} + +// Read the .gnu_debuglink and get the debug file name. If anything goes +// wrong, return an empty string. +template +string ReadDebugLink(const char* debuglink, + size_t debuglink_size, + const string& obj_file, + const std::vector& debug_dirs) { + size_t debuglink_len = strlen(debuglink) + 5; // '\0' + CRC32. + debuglink_len = 4 * ((debuglink_len + 3) / 4); // Round to nearest 4 bytes. + + // Sanity check. + if (debuglink_len != debuglink_size) { + fprintf(stderr, "Mismatched .gnu_debuglink string / section size: " + "%zx %zx\n", debuglink_len, debuglink_size); + return ""; + } + + bool found = false; + int debuglink_fd = -1; + string debuglink_path; + std::vector::const_iterator it; + for (it = debug_dirs.begin(); it < debug_dirs.end(); ++it) { + const string& debug_dir = *it; + debuglink_path = debug_dir + "/" + debuglink; + debuglink_fd = open(debuglink_path.c_str(), O_RDONLY); + if (debuglink_fd >= 0) { + found = true; + break; + } + } + + if (!found) { + fprintf(stderr, "Failed to find debug ELF file for '%s' after trying:\n", + obj_file.c_str()); + for (it = debug_dirs.begin(); it < debug_dirs.end(); ++it) { + const string debug_dir = *it; + fprintf(stderr, " %s/%s\n", debug_dir.c_str(), debuglink); + } + return ""; + } + + FDWrapper debuglink_fd_wrapper(debuglink_fd); + // TODO(thestig) check the CRC-32 at the end of the .gnu_debuglink + // section. + + return debuglink_path; +} + +// +// LoadSymbolsInfo +// +// Holds the state between the two calls to LoadSymbols() in case it's necessary +// to follow the .gnu_debuglink section and load debug information from a +// different file. +// +template +class LoadSymbolsInfo { + public: + typedef typename ElfClass::Addr Addr; + + explicit LoadSymbolsInfo(const std::vector& dbg_dirs) : + debug_dirs_(dbg_dirs), + has_loading_addr_(false) {} + + // Keeps track of which sections have been loaded so sections don't + // accidentally get loaded twice from two different files. + void LoadedSection(const string §ion) { + if (loaded_sections_.count(section) == 0) { + loaded_sections_.insert(section); + } else { + fprintf(stderr, "Section %s has already been loaded.\n", + section.c_str()); + } + } + + // The ELF file and linked debug file are expected to have the same preferred + // loading address. + void set_loading_addr(Addr addr, const string &filename) { + if (!has_loading_addr_) { + loading_addr_ = addr; + loaded_file_ = filename; + return; + } + + if (addr != loading_addr_) { + fprintf(stderr, + "ELF file '%s' and debug ELF file '%s' " + "have different load addresses.\n", + loaded_file_.c_str(), filename.c_str()); + assert(false); + } + } + + // Setters and getters + const std::vector& debug_dirs() const { + return debug_dirs_; + } + + string debuglink_file() const { + return debuglink_file_; + } + void set_debuglink_file(string file) { + debuglink_file_ = file; + } + + private: + const std::vector& debug_dirs_; // Directories in which to + // search for the debug ELF file. + + string debuglink_file_; // Full path to the debug ELF file. + + bool has_loading_addr_; // Indicate if LOADING_ADDR_ is valid. + + Addr loading_addr_; // Saves the preferred loading address from the + // first call to LoadSymbols(). + + string loaded_file_; // Name of the file loaded from the first call to + // LoadSymbols(). + + std::set loaded_sections_; // Tracks the Loaded ELF sections + // between calls to LoadSymbols(). +}; + +template +bool LoadSymbols(const string& obj_file, + const bool big_endian, + const typename ElfClass::Ehdr* elf_header, + const bool read_gnu_debug_link, + LoadSymbolsInfo* info, + const DumpOptions& options, + Module* module) { + typedef typename ElfClass::Addr Addr; + typedef typename ElfClass::Phdr Phdr; + typedef typename ElfClass::Shdr Shdr; + + Addr loading_addr = GetLoadingAddress( + GetOffset(elf_header, elf_header->e_phoff), + elf_header->e_phnum); + module->SetLoadAddress(loading_addr); + info->set_loading_addr(loading_addr, obj_file); + + const Shdr* sections = + GetOffset(elf_header, elf_header->e_shoff); + const Shdr* section_names = sections + elf_header->e_shstrndx; + const char* names = + GetOffset(elf_header, section_names->sh_offset); + const char *names_end = names + section_names->sh_size; + bool found_debug_info_section = false; + bool found_usable_info = false; + + if (options.symbol_data != ONLY_CFI) { +#ifndef NO_STABS_SUPPORT + // Look for STABS debugging information, and load it if present. + const Shdr* stab_section = + FindElfSectionByName(".stab", SHT_PROGBITS, + sections, names, names_end, + elf_header->e_shnum); + if (stab_section) { + const Shdr* stabstr_section = stab_section->sh_link + sections; + if (stabstr_section) { + found_debug_info_section = true; + found_usable_info = true; + info->LoadedSection(".stab"); + if (!LoadStabs(elf_header, stab_section, stabstr_section, + big_endian, module)) { + fprintf(stderr, "%s: \".stab\" section found, but failed to load" + " STABS debugging information\n", obj_file.c_str()); + } + } + } +#endif // NO_STABS_SUPPORT + + // Look for DWARF debugging information, and load it if present. + const Shdr* dwarf_section = + FindElfSectionByName(".debug_info", SHT_PROGBITS, + sections, names, names_end, + elf_header->e_shnum); + if (dwarf_section) { + found_debug_info_section = true; + found_usable_info = true; + info->LoadedSection(".debug_info"); + if (!LoadDwarf(obj_file, elf_header, big_endian, + options.handle_inter_cu_refs, module)) { + fprintf(stderr, "%s: \".debug_info\" section found, but failed to load " + "DWARF debugging information\n", obj_file.c_str()); + } + } + } + + if (options.symbol_data != NO_CFI) { + // Dwarf Call Frame Information (CFI) is actually independent from + // the other DWARF debugging information, and can be used alone. + const Shdr* dwarf_cfi_section = + FindElfSectionByName(".debug_frame", SHT_PROGBITS, + sections, names, names_end, + elf_header->e_shnum); + if (dwarf_cfi_section) { + // Ignore the return value of this function; even without call frame + // information, the other debugging information could be perfectly + // useful. + info->LoadedSection(".debug_frame"); + bool result = + LoadDwarfCFI(obj_file, elf_header, ".debug_frame", + dwarf_cfi_section, false, 0, 0, big_endian, + module); + found_usable_info = found_usable_info || result; + } + + // Linux C++ exception handling information can also provide + // unwinding data. + const Shdr* eh_frame_section = + FindElfSectionByName(".eh_frame", SHT_PROGBITS, + sections, names, names_end, + elf_header->e_shnum); + if (eh_frame_section) { + // Pointers in .eh_frame data may be relative to the base addresses of + // certain sections. Provide those sections if present. + const Shdr* got_section = + FindElfSectionByName(".got", SHT_PROGBITS, + sections, names, names_end, + elf_header->e_shnum); + const Shdr* text_section = + FindElfSectionByName(".text", SHT_PROGBITS, + sections, names, names_end, + elf_header->e_shnum); + info->LoadedSection(".eh_frame"); + // As above, ignore the return value of this function. + bool result = + LoadDwarfCFI(obj_file, elf_header, ".eh_frame", + eh_frame_section, true, + got_section, text_section, big_endian, module); + found_usable_info = found_usable_info || result; + } + } + + if (!found_debug_info_section) { + fprintf(stderr, "%s: file contains no debugging information" + " (no \".stab\" or \".debug_info\" sections)\n", + obj_file.c_str()); + + // Failed, but maybe there's a .gnu_debuglink section? + if (read_gnu_debug_link) { + const Shdr* gnu_debuglink_section + = FindElfSectionByName(".gnu_debuglink", SHT_PROGBITS, + sections, names, + names_end, elf_header->e_shnum); + if (gnu_debuglink_section) { + if (!info->debug_dirs().empty()) { + const char* debuglink_contents = + GetOffset(elf_header, + gnu_debuglink_section->sh_offset); + string debuglink_file + = ReadDebugLink(debuglink_contents, + gnu_debuglink_section->sh_size, + obj_file, info->debug_dirs()); + info->set_debuglink_file(debuglink_file); + } else { + fprintf(stderr, ".gnu_debuglink section found in '%s', " + "but no debug path specified.\n", obj_file.c_str()); + } + } else { + fprintf(stderr, "%s does not contain a .gnu_debuglink section.\n", + obj_file.c_str()); + } + } else { + if (options.symbol_data != ONLY_CFI) { + // The caller doesn't want to consult .gnu_debuglink. + // See if there are export symbols available. + const Shdr* dynsym_section = + FindElfSectionByName(".dynsym", SHT_DYNSYM, + sections, names, names_end, + elf_header->e_shnum); + const Shdr* dynstr_section = + FindElfSectionByName(".dynstr", SHT_STRTAB, + sections, names, names_end, + elf_header->e_shnum); + if (dynsym_section && dynstr_section) { + info->LoadedSection(".dynsym"); + + const uint8_t* dynsyms = + GetOffset(elf_header, + dynsym_section->sh_offset); + const uint8_t* dynstrs = + GetOffset(elf_header, + dynstr_section->sh_offset); + bool result = + ELFSymbolsToModule(dynsyms, + dynsym_section->sh_size, + dynstrs, + dynstr_section->sh_size, + big_endian, + ElfClass::kAddrSize, + module); + found_usable_info = found_usable_info || result; + } + } + + // Return true if some usable information was found, since + // the caller doesn't want to use .gnu_debuglink. + return found_usable_info; + } + + // No debug info was found, let the user try again with .gnu_debuglink + // if present. + return false; + } + + return true; +} + +// Return the breakpad symbol file identifier for the architecture of +// ELF_HEADER. +template +const char* ElfArchitecture(const typename ElfClass::Ehdr* elf_header) { + typedef typename ElfClass::Half Half; + Half arch = elf_header->e_machine; + switch (arch) { + case EM_386: return "x86"; + case EM_ARM: return "arm"; + case EM_MIPS: return "mips"; + case EM_PPC64: return "ppc64"; + case EM_PPC: return "ppc"; + case EM_S390: return "s390"; + case EM_SPARC: return "sparc"; + case EM_SPARCV9: return "sparcv9"; + case EM_X86_64: return "x86_64"; + default: return NULL; + } +} + +// Format the Elf file identifier in IDENTIFIER as a UUID with the +// dashes removed. +string FormatIdentifier(unsigned char identifier[16]) { + char identifier_str[40]; + google_breakpad::FileID::ConvertIdentifierToString( + identifier, + identifier_str, + sizeof(identifier_str)); + string id_no_dash; + for (int i = 0; identifier_str[i] != '\0'; ++i) + if (identifier_str[i] != '-') + id_no_dash += identifier_str[i]; + // Add an extra "0" by the end. PDB files on Windows have an 'age' + // number appended to the end of the file identifier; this isn't + // really used or necessary on other platforms, but be consistent. + id_no_dash += '0'; + return id_no_dash; +} + +// Return the non-directory portion of FILENAME: the portion after the +// last slash, or the whole filename if there are no slashes. +string BaseFileName(const string &filename) { + // Lots of copies! basename's behavior is less than ideal. + char *c_filename = strdup(filename.c_str()); + string base = basename(c_filename); + free(c_filename); + return base; +} + +template +bool ReadSymbolDataElfClass(const typename ElfClass::Ehdr* elf_header, + const string& obj_filename, + const std::vector& debug_dirs, + const DumpOptions& options, + Module** out_module) { + typedef typename ElfClass::Ehdr Ehdr; + typedef typename ElfClass::Shdr Shdr; + + *out_module = NULL; + + unsigned char identifier[16]; + if (!google_breakpad::FileID::ElfFileIdentifierFromMappedFile(elf_header, + identifier)) { + fprintf(stderr, "%s: unable to generate file identifier\n", + obj_filename.c_str()); + return false; + } + + const char *architecture = ElfArchitecture(elf_header); + if (!architecture) { + fprintf(stderr, "%s: unrecognized ELF machine architecture: %d\n", + obj_filename.c_str(), elf_header->e_machine); + return false; + } + + // Figure out what endianness this file is. + bool big_endian; + if (!ElfEndianness(elf_header, &big_endian)) + return false; + + string name = BaseFileName(obj_filename); + string os = "Linux"; + string id = FormatIdentifier(identifier); + + LoadSymbolsInfo info(debug_dirs); + scoped_ptr module(new Module(name, os, architecture, id)); + if (!LoadSymbols(obj_filename, big_endian, elf_header, + !debug_dirs.empty(), &info, + options, module.get())) { + const string debuglink_file = info.debuglink_file(); + if (debuglink_file.empty()) + return false; + + // Load debuglink ELF file. + fprintf(stderr, "Found debugging info in %s\n", debuglink_file.c_str()); + MmapWrapper debug_map_wrapper; + Ehdr* debug_elf_header = NULL; + if (!LoadELF(debuglink_file, &debug_map_wrapper, + reinterpret_cast(&debug_elf_header))) + return false; + // Sanity checks to make sure everything matches up. + const char *debug_architecture = + ElfArchitecture(debug_elf_header); + if (!debug_architecture) { + fprintf(stderr, "%s: unrecognized ELF machine architecture: %d\n", + debuglink_file.c_str(), debug_elf_header->e_machine); + return false; + } + if (strcmp(architecture, debug_architecture)) { + fprintf(stderr, "%s with ELF machine architecture %s does not match " + "%s with ELF architecture %s\n", + debuglink_file.c_str(), debug_architecture, + obj_filename.c_str(), architecture); + return false; + } + + bool debug_big_endian; + if (!ElfEndianness(debug_elf_header, &debug_big_endian)) + return false; + if (debug_big_endian != big_endian) { + fprintf(stderr, "%s and %s does not match in endianness\n", + obj_filename.c_str(), debuglink_file.c_str()); + return false; + } + + if (!LoadSymbols(debuglink_file, debug_big_endian, + debug_elf_header, false, &info, + options, module.get())) { + return false; + } + } + + *out_module = module.release(); + return true; +} + +} // namespace + +namespace google_breakpad { + +// Not explicitly exported, but not static so it can be used in unit tests. +bool ReadSymbolDataInternal(const uint8_t* obj_file, + const string& obj_filename, + const std::vector& debug_dirs, + const DumpOptions& options, + Module** module) { + if (!IsValidElf(obj_file)) { + fprintf(stderr, "Not a valid ELF file: %s\n", obj_filename.c_str()); + return false; + } + + int elfclass = ElfClass(obj_file); + if (elfclass == ELFCLASS32) { + return ReadSymbolDataElfClass( + reinterpret_cast(obj_file), obj_filename, debug_dirs, + options, module); + } + if (elfclass == ELFCLASS64) { + return ReadSymbolDataElfClass( + reinterpret_cast(obj_file), obj_filename, debug_dirs, + options, module); + } + + return false; +} + +bool WriteSymbolFile(const string &obj_file, + const std::vector& debug_dirs, + const DumpOptions& options, + std::ostream &sym_stream) { + Module* module; + if (!ReadSymbolData(obj_file, debug_dirs, options, &module)) + return false; + + bool result = module->Write(sym_stream, options.symbol_data); + delete module; + return result; +} + +bool ReadSymbolData(const string& obj_file, + const std::vector& debug_dirs, + const DumpOptions& options, + Module** module) { + MmapWrapper map_wrapper; + void* elf_header = NULL; + if (!LoadELF(obj_file, &map_wrapper, &elf_header)) + return false; + + return ReadSymbolDataInternal(reinterpret_cast(elf_header), + obj_file, debug_dirs, options, module); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/dump_symbols.h b/google-breakpad/src/common/linux/dump_symbols.h new file mode 100644 index 0000000..636bb72 --- /dev/null +++ b/google-breakpad/src/common/linux/dump_symbols.h @@ -0,0 +1,80 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// dump_symbols.h: Read debugging information from an ELF file, and write +// it out as a Breakpad symbol file. + +#ifndef COMMON_LINUX_DUMP_SYMBOLS_H__ +#define COMMON_LINUX_DUMP_SYMBOLS_H__ + +#include +#include +#include + +#include "common/symbol_data.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +class Module; + +struct DumpOptions { + DumpOptions(SymbolData symbol_data, bool handle_inter_cu_refs) + : symbol_data(symbol_data), + handle_inter_cu_refs(handle_inter_cu_refs) { + } + + SymbolData symbol_data; + bool handle_inter_cu_refs; +}; + +// Find all the debugging information in OBJ_FILE, an ELF executable +// or shared library, and write it to SYM_STREAM in the Breakpad symbol +// file format. +// If OBJ_FILE has been stripped but contains a .gnu_debuglink section, +// then look for the debug file in DEBUG_DIRS. +// SYMBOL_DATA allows limiting the type of symbol data written. +bool WriteSymbolFile(const string &obj_file, + const std::vector& debug_dirs, + const DumpOptions& options, + std::ostream &sym_stream); + +// As above, but simply return the debugging information in MODULE +// instead of writing it to a stream. The caller owns the resulting +// Module object and must delete it when finished. +bool ReadSymbolData(const string& obj_file, + const std::vector& debug_dirs, + const DumpOptions& options, + Module** module); + +} // namespace google_breakpad + +#endif // COMMON_LINUX_DUMP_SYMBOLS_H__ diff --git a/google-breakpad/src/common/linux/dump_symbols_unittest.cc b/google-breakpad/src/common/linux/dump_symbols_unittest.cc new file mode 100644 index 0000000..3f86dbe --- /dev/null +++ b/google-breakpad/src/common/linux/dump_symbols_unittest.cc @@ -0,0 +1,172 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Ted Mielczarek + +// dump_symbols_unittest.cc: +// Unittests for google_breakpad::DumpSymbols + +#include +#include +#include + +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/linux/dump_symbols.h" +#include "common/linux/synth_elf.h" +#include "common/module.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +bool ReadSymbolDataInternal(const uint8_t* obj_file, + const string& obj_filename, + const std::vector& debug_dir, + const DumpOptions& options, + Module** module); + +using google_breakpad::synth_elf::ELF; +using google_breakpad::synth_elf::StringTable; +using google_breakpad::synth_elf::SymbolTable; +using google_breakpad::test_assembler::kLittleEndian; +using google_breakpad::test_assembler::Section; +using std::stringstream; +using std::vector; +using ::testing::Test; + +class DumpSymbols : public Test { + public: + void GetElfContents(ELF& elf) { + string contents; + ASSERT_TRUE(elf.GetContents(&contents)); + ASSERT_LT(0U, contents.size()); + + elfdata_v.clear(); + elfdata_v.insert(elfdata_v.begin(), contents.begin(), contents.end()); + elfdata = &elfdata_v[0]; + } + + vector elfdata_v; + uint8_t* elfdata; +}; + +TEST_F(DumpSymbols, Invalid) { + Elf32_Ehdr header; + memset(&header, 0, sizeof(header)); + Module* module; + DumpOptions options(ALL_SYMBOL_DATA, true); + EXPECT_FALSE(ReadSymbolDataInternal(reinterpret_cast(&header), + "foo", + vector(), + options, + &module)); +} + +TEST_F(DumpSymbols, SimplePublic32) { + ELF elf(EM_386, ELFCLASS32, kLittleEndian); + // Zero out text section for simplicity. + Section text(kLittleEndian); + text.Append(4096, 0); + elf.AddSection(".text", text, SHT_PROGBITS); + + // Add a public symbol. + StringTable table(kLittleEndian); + SymbolTable syms(kLittleEndian, 4, table); + syms.AddSymbol("superfunc", (uint32_t)0x1000, (uint32_t)0x10, + ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), + SHN_UNDEF + 1); + int index = elf.AddSection(".dynstr", table, SHT_STRTAB); + elf.AddSection(".dynsym", syms, + SHT_DYNSYM, // type + SHF_ALLOC, // flags + 0, // addr + index, // link + sizeof(Elf32_Sym)); // entsize + + elf.Finish(); + GetElfContents(elf); + + Module* module; + DumpOptions options(ALL_SYMBOL_DATA, true); + EXPECT_TRUE(ReadSymbolDataInternal(elfdata, + "foo", + vector(), + options, + &module)); + + stringstream s; + module->Write(s, ALL_SYMBOL_DATA); + EXPECT_EQ("MODULE Linux x86 000000000000000000000000000000000 foo\n" + "PUBLIC 1000 0 superfunc\n", + s.str()); + delete module; +} + +TEST_F(DumpSymbols, SimplePublic64) { + ELF elf(EM_X86_64, ELFCLASS64, kLittleEndian); + // Zero out text section for simplicity. + Section text(kLittleEndian); + text.Append(4096, 0); + elf.AddSection(".text", text, SHT_PROGBITS); + + // Add a public symbol. + StringTable table(kLittleEndian); + SymbolTable syms(kLittleEndian, 8, table); + syms.AddSymbol("superfunc", (uint64_t)0x1000, (uint64_t)0x10, + ELF64_ST_INFO(STB_GLOBAL, STT_FUNC), + SHN_UNDEF + 1); + int index = elf.AddSection(".dynstr", table, SHT_STRTAB); + elf.AddSection(".dynsym", syms, + SHT_DYNSYM, // type + SHF_ALLOC, // flags + 0, // addr + index, // link + sizeof(Elf64_Sym)); // entsize + + elf.Finish(); + GetElfContents(elf); + + Module* module; + DumpOptions options(ALL_SYMBOL_DATA, true); + EXPECT_TRUE(ReadSymbolDataInternal(elfdata, + "foo", + vector(), + options, + &module)); + + stringstream s; + module->Write(s, ALL_SYMBOL_DATA); + EXPECT_EQ("MODULE Linux x86_64 000000000000000000000000000000000 foo\n" + "PUBLIC 1000 0 superfunc\n", + s.str()); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/eintr_wrapper.h b/google-breakpad/src/common/linux/eintr_wrapper.h new file mode 100644 index 0000000..20b6bed --- /dev/null +++ b/google-breakpad/src/common/linux/eintr_wrapper.h @@ -0,0 +1,47 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_LINUX_EINTR_WRAPPER_H_ +#define COMMON_LINUX_EINTR_WRAPPER_H_ + +#include + +// This provides a wrapper around system calls which may be interrupted by a +// signal and return EINTR. See man 7 signal. +// + +#define HANDLE_EINTR(x) ({ \ + typeof(x) __eintr_result__; \ + do { \ + __eintr_result__ = x; \ + } while (__eintr_result__ == -1 && errno == EINTR); \ + __eintr_result__;\ +}) + +#endif // COMMON_LINUX_EINTR_WRAPPER_H_ diff --git a/google-breakpad/src/common/linux/elf_core_dump.cc b/google-breakpad/src/common/linux/elf_core_dump.cc new file mode 100644 index 0000000..0e7db7b --- /dev/null +++ b/google-breakpad/src/common/linux/elf_core_dump.cc @@ -0,0 +1,179 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// elf_core_dump.cc: Implement google_breakpad::ElfCoreDump. +// See elf_core_dump.h for details. + +#include "common/linux/elf_core_dump.h" + +#include +#include + +namespace google_breakpad { + +// Implementation of ElfCoreDump::Note. + +ElfCoreDump::Note::Note() {} + +ElfCoreDump::Note::Note(const MemoryRange& content) : content_(content) {} + +bool ElfCoreDump::Note::IsValid() const { + return GetHeader() != NULL; +} + +const ElfCoreDump::Nhdr* ElfCoreDump::Note::GetHeader() const { + return content_.GetData(0); +} + +ElfCoreDump::Word ElfCoreDump::Note::GetType() const { + const Nhdr* header = GetHeader(); + // 0 is not being used as a NOTE type. + return header ? header->n_type : 0; +} + +MemoryRange ElfCoreDump::Note::GetName() const { + const Nhdr* header = GetHeader(); + if (header) { + return content_.Subrange(sizeof(Nhdr), header->n_namesz); + } + return MemoryRange(); +} + +MemoryRange ElfCoreDump::Note::GetDescription() const { + const Nhdr* header = GetHeader(); + if (header) { + return content_.Subrange(AlignedSize(sizeof(Nhdr) + header->n_namesz), + header->n_descsz); + } + return MemoryRange(); +} + +ElfCoreDump::Note ElfCoreDump::Note::GetNextNote() const { + MemoryRange next_content; + const Nhdr* header = GetHeader(); + if (header) { + size_t next_offset = AlignedSize(sizeof(Nhdr) + header->n_namesz); + next_offset = AlignedSize(next_offset + header->n_descsz); + next_content = + content_.Subrange(next_offset, content_.length() - next_offset); + } + return Note(next_content); +} + +// static +size_t ElfCoreDump::Note::AlignedSize(size_t size) { + size_t mask = sizeof(Word) - 1; + return (size + mask) & ~mask; +} + + +// Implementation of ElfCoreDump. + +ElfCoreDump::ElfCoreDump() {} + +ElfCoreDump::ElfCoreDump(const MemoryRange& content) + : content_(content) { +} + +void ElfCoreDump::SetContent(const MemoryRange& content) { + content_ = content; +} + +bool ElfCoreDump::IsValid() const { + const Ehdr* header = GetHeader(); + return (header && + header->e_ident[0] == ELFMAG0 && + header->e_ident[1] == ELFMAG1 && + header->e_ident[2] == ELFMAG2 && + header->e_ident[3] == ELFMAG3 && + header->e_ident[4] == kClass && + header->e_version == EV_CURRENT && + header->e_type == ET_CORE); +} + +const ElfCoreDump::Ehdr* ElfCoreDump::GetHeader() const { + return content_.GetData(0); +} + +const ElfCoreDump::Phdr* ElfCoreDump::GetProgramHeader(unsigned index) const { + const Ehdr* header = GetHeader(); + if (header) { + return reinterpret_cast(content_.GetArrayElement( + header->e_phoff, header->e_phentsize, index)); + } + return NULL; +} + +const ElfCoreDump::Phdr* ElfCoreDump::GetFirstProgramHeaderOfType( + Word type) const { + for (unsigned i = 0, n = GetProgramHeaderCount(); i < n; ++i) { + const Phdr* program = GetProgramHeader(i); + if (program->p_type == type) { + return program; + } + } + return NULL; +} + +unsigned ElfCoreDump::GetProgramHeaderCount() const { + const Ehdr* header = GetHeader(); + return header ? header->e_phnum : 0; +} + +bool ElfCoreDump::CopyData(void* buffer, Addr virtual_address, size_t length) { + for (unsigned i = 0, n = GetProgramHeaderCount(); i < n; ++i) { + const Phdr* program = GetProgramHeader(i); + if (program->p_type != PT_LOAD) + continue; + + size_t offset_in_segment = virtual_address - program->p_vaddr; + if (virtual_address >= program->p_vaddr && + offset_in_segment < program->p_filesz) { + const void* data = + content_.GetData(program->p_offset + offset_in_segment, length); + if (data) { + memcpy(buffer, data, length); + return true; + } + } + } + return false; +} + +ElfCoreDump::Note ElfCoreDump::GetFirstNote() const { + MemoryRange note_content; + const Phdr* program_header = GetFirstProgramHeaderOfType(PT_NOTE); + if (program_header) { + note_content = content_.Subrange(program_header->p_offset, + program_header->p_filesz); + } + return Note(note_content); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/elf_core_dump.h b/google-breakpad/src/common/linux/elf_core_dump.h new file mode 100644 index 0000000..d03c7a8 --- /dev/null +++ b/google-breakpad/src/common/linux/elf_core_dump.h @@ -0,0 +1,148 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// elf_core_dump.h: Define the google_breakpad::ElfCoreDump class, which +// encapsulates an ELF core dump file mapped into memory. + +#ifndef COMMON_LINUX_ELF_CORE_DUMP_H_ +#define COMMON_LINUX_ELF_CORE_DUMP_H_ + +#include +#include +#include + +#include "common/memory_range.h" + +namespace google_breakpad { + +// A class encapsulating an ELF core dump file mapped into memory, which +// provides methods for accessing program headers and the note section. +class ElfCoreDump { + public: + // ELF types based on the value of __WORDSIZE. + typedef ElfW(Ehdr) Ehdr; + typedef ElfW(Nhdr) Nhdr; + typedef ElfW(Phdr) Phdr; + typedef ElfW(Word) Word; + typedef ElfW(Addr) Addr; +#if __WORDSIZE == 32 + static const int kClass = ELFCLASS32; +#elif __WORDSIZE == 64 + static const int kClass = ELFCLASS64; +#else +#error "Unsupported __WORDSIZE for ElfCoreDump." +#endif + + // A class encapsulating the note content in a core dump, which provides + // methods for accessing the name and description of a note. + class Note { + public: + Note(); + + // Constructor that takes the note content from |content|. + explicit Note(const MemoryRange& content); + + // Returns true if this note is valid, i,e. a note header is found in + // |content_|, or false otherwise. + bool IsValid() const; + + // Returns the note header, or NULL if no note header is found in + // |content_|. + const Nhdr* GetHeader() const; + + // Returns the note type, or 0 if no note header is found in |content_|. + Word GetType() const; + + // Returns a memory range covering the note name, or an empty range + // if no valid note name is found in |content_|. + MemoryRange GetName() const; + + // Returns a memory range covering the note description, or an empty + // range if no valid note description is found in |content_|. + MemoryRange GetDescription() const; + + // Returns the note following this note, or an empty note if no valid + // note is found after this note. + Note GetNextNote() const; + + private: + // Returns the size in bytes round up to the word alignment, specified + // for the note section, of a given size in bytes. + static size_t AlignedSize(size_t size); + + // Note content. + MemoryRange content_; + }; + + ElfCoreDump(); + + // Constructor that takes the core dump content from |content|. + explicit ElfCoreDump(const MemoryRange& content); + + // Sets the core dump content to |content|. + void SetContent(const MemoryRange& content); + + // Returns true if a valid ELF header in the core dump, or false otherwise. + bool IsValid() const; + + // Returns the ELF header in the core dump, or NULL if no ELF header + // is found in |content_|. + const Ehdr* GetHeader() const; + + // Returns the |index|-th program header in the core dump, or NULL if no + // ELF header is found in |content_| or |index| is out of bounds. + const Phdr* GetProgramHeader(unsigned index) const; + + // Returns the first program header of |type| in the core dump, or NULL if + // no ELF header is found in |content_| or no program header of |type| is + // found. + const Phdr* GetFirstProgramHeaderOfType(Word type) const; + + // Returns the number of program headers in the core dump, or 0 if no + // ELF header is found in |content_|. + unsigned GetProgramHeaderCount() const; + + // Copies |length| bytes of data starting at |virtual_address| in the core + // dump to |buffer|. |buffer| should be a valid pointer to a buffer of at + // least |length| bytes. Returns true if the data to be copied is found in + // the core dump, or false otherwise. + bool CopyData(void* buffer, Addr virtual_address, size_t length); + + // Returns the first note found in the note section of the core dump, or + // an empty note if no note is found. + Note GetFirstNote() const; + + private: + // Core dump content. + MemoryRange content_; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_ELF_CORE_DUMP_H_ diff --git a/google-breakpad/src/common/linux/elf_core_dump_unittest.cc b/google-breakpad/src/common/linux/elf_core_dump_unittest.cc new file mode 100644 index 0000000..45aa536 --- /dev/null +++ b/google-breakpad/src/common/linux/elf_core_dump_unittest.cc @@ -0,0 +1,249 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// elf_core_dump_unittest.cc: Unit tests for google_breakpad::ElfCoreDump. + +#include + +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/linux/elf_core_dump.h" +#include "common/linux/memory_mapped_file.h" +#include "common/tests/file_utils.h" +#include "common/linux/tests/crash_generator.h" +#include "common/using_std_string.h" + +using google_breakpad::AutoTempDir; +using google_breakpad::CrashGenerator; +using google_breakpad::ElfCoreDump; +using google_breakpad::MemoryMappedFile; +using google_breakpad::MemoryRange; +using google_breakpad::WriteFile; +using std::set; + +TEST(ElfCoreDumpTest, DefaultConstructor) { + ElfCoreDump core; + EXPECT_FALSE(core.IsValid()); + EXPECT_EQ(NULL, core.GetHeader()); + EXPECT_EQ(0U, core.GetProgramHeaderCount()); + EXPECT_EQ(NULL, core.GetProgramHeader(0)); + EXPECT_EQ(NULL, core.GetFirstProgramHeaderOfType(PT_LOAD)); + EXPECT_FALSE(core.GetFirstNote().IsValid()); +} + +TEST(ElfCoreDumpTest, TestElfHeader) { + ElfCoreDump::Ehdr header; + memset(&header, 0, sizeof(header)); + + AutoTempDir temp_dir; + string core_path = temp_dir.path() + "/core"; + const char* core_file = core_path.c_str(); + MemoryMappedFile mapped_core_file; + ElfCoreDump core; + + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header) - 1)); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + EXPECT_EQ(NULL, core.GetHeader()); + EXPECT_EQ(0U, core.GetProgramHeaderCount()); + EXPECT_EQ(NULL, core.GetProgramHeader(0)); + EXPECT_EQ(NULL, core.GetFirstProgramHeaderOfType(PT_LOAD)); + EXPECT_FALSE(core.GetFirstNote().IsValid()); + + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + + header.e_ident[0] = ELFMAG0; + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + + header.e_ident[1] = ELFMAG1; + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + + header.e_ident[2] = ELFMAG2; + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + + header.e_ident[3] = ELFMAG3; + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + + header.e_ident[4] = ElfCoreDump::kClass; + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + + header.e_version = EV_CURRENT; + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_FALSE(core.IsValid()); + + header.e_type = ET_CORE; + ASSERT_TRUE(WriteFile(core_file, &header, sizeof(header))); + ASSERT_TRUE(mapped_core_file.Map(core_file)); + core.SetContent(mapped_core_file.content()); + EXPECT_TRUE(core.IsValid()); +} + +TEST(ElfCoreDumpTest, ValidCoreFile) { + CrashGenerator crash_generator; + if (!crash_generator.HasDefaultCorePattern()) { + fprintf(stderr, "ElfCoreDumpTest.ValidCoreFile test is skipped " + "due to non-default core pattern"); + return; + } + + const unsigned kNumOfThreads = 3; + const unsigned kCrashThread = 1; + const int kCrashSignal = SIGABRT; + // TODO(benchan): Revert to use ASSERT_TRUE once the flakiness in + // CrashGenerator is identified and fixed. + if (!crash_generator.CreateChildCrash(kNumOfThreads, kCrashThread, + kCrashSignal, NULL)) { + fprintf(stderr, "ElfCoreDumpTest.ValidCoreFile test is skipped " + "due to no core dump generated"); + return; + } + pid_t expected_crash_thread_id = crash_generator.GetThreadId(kCrashThread); + set expected_thread_ids; + for (unsigned i = 0; i < kNumOfThreads; ++i) { + expected_thread_ids.insert(crash_generator.GetThreadId(i)); + } + + MemoryMappedFile mapped_core_file; + ASSERT_TRUE(mapped_core_file.Map(crash_generator.GetCoreFilePath().c_str())); + + ElfCoreDump core; + core.SetContent(mapped_core_file.content()); + EXPECT_TRUE(core.IsValid()); + + // Based on write_note_info() in linux/kernel/fs/binfmt_elf.c, notes are + // ordered as follows (NT_PRXFPREG and NT_386_TLS are i386 specific): + // Thread Name Type + // ------------------------------------------------------------------- + // 1st thread CORE NT_PRSTATUS + // process-wide CORE NT_PRPSINFO + // process-wide CORE NT_AUXV + // 1st thread CORE NT_FPREGSET + // 1st thread LINUX NT_PRXFPREG + // 1st thread LINUX NT_386_TLS + // + // 2nd thread CORE NT_PRSTATUS + // 2nd thread CORE NT_FPREGSET + // 2nd thread LINUX NT_PRXFPREG + // 2nd thread LINUX NT_386_TLS + // + // 3rd thread CORE NT_PRSTATUS + // 3rd thread CORE NT_FPREGSET + // 3rd thread LINUX NT_PRXFPREG + // 3rd thread LINUX NT_386_TLS + + size_t num_nt_prpsinfo = 0; + size_t num_nt_prstatus = 0; +#if defined(__i386__) || defined(__x86_64__) + size_t num_nt_fpregset = 0; +#endif +#if defined(__i386__) + size_t num_nt_prxfpreg = 0; +#endif + set actual_thread_ids; + ElfCoreDump::Note note = core.GetFirstNote(); + while (note.IsValid()) { + MemoryRange name = note.GetName(); + MemoryRange description = note.GetDescription(); + EXPECT_FALSE(name.IsEmpty()); + EXPECT_FALSE(description.IsEmpty()); + + switch (note.GetType()) { + case NT_PRPSINFO: { + EXPECT_TRUE(description.data() != NULL); + EXPECT_EQ(sizeof(elf_prpsinfo), description.length()); + ++num_nt_prpsinfo; + break; + } + case NT_PRSTATUS: { + EXPECT_TRUE(description.data() != NULL); + EXPECT_EQ(sizeof(elf_prstatus), description.length()); + const elf_prstatus* status = description.GetData(0); + actual_thread_ids.insert(status->pr_pid); + if (num_nt_prstatus == 0) { + EXPECT_EQ(expected_crash_thread_id, status->pr_pid); + EXPECT_EQ(kCrashSignal, status->pr_info.si_signo); + } + ++num_nt_prstatus; + break; + } +#if defined(__i386__) || defined(__x86_64__) + case NT_FPREGSET: { + EXPECT_TRUE(description.data() != NULL); + EXPECT_EQ(sizeof(user_fpregs_struct), description.length()); + ++num_nt_fpregset; + break; + } +#endif +#if defined(__i386__) + case NT_PRXFPREG: { + EXPECT_TRUE(description.data() != NULL); + EXPECT_EQ(sizeof(user_fpxregs_struct), description.length()); + ++num_nt_prxfpreg; + break; + } +#endif + default: + break; + } + note = note.GetNextNote(); + } + + EXPECT_TRUE(expected_thread_ids == actual_thread_ids); + EXPECT_EQ(1U, num_nt_prpsinfo); + EXPECT_EQ(kNumOfThreads, num_nt_prstatus); +#if defined(__i386__) || defined(__x86_64__) + EXPECT_EQ(kNumOfThreads, num_nt_fpregset); +#endif +#if defined(__i386__) + EXPECT_EQ(kNumOfThreads, num_nt_prxfpreg); +#endif +} diff --git a/google-breakpad/src/common/linux/elf_gnu_compat.h b/google-breakpad/src/common/linux/elf_gnu_compat.h new file mode 100644 index 0000000..f870cbc --- /dev/null +++ b/google-breakpad/src/common/linux/elf_gnu_compat.h @@ -0,0 +1,46 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2013, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Lei Zhang + +// elf_gnu_compat.h: #defines unique to glibc's elf.h. + +#ifndef COMMON_LINUX_ELF_GNU_COMPAT_H_ +#define COMMON_LINUX_ELF_GNU_COMPAT_H_ + +#include + +// A note type on GNU systems corresponding to the .note.gnu.build-id section. +#ifndef NT_GNU_BUILD_ID +#define NT_GNU_BUILD_ID 3 +#endif + +#endif // COMMON_LINUX_ELF_GNU_COMPAT_H_ diff --git a/google-breakpad/src/common/linux/elf_symbols_to_module.cc b/google-breakpad/src/common/linux/elf_symbols_to_module.cc new file mode 100644 index 0000000..82d53dd --- /dev/null +++ b/google-breakpad/src/common/linux/elf_symbols_to_module.cc @@ -0,0 +1,168 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2011 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Ted Mielczarek + +#include "common/linux/elf_symbols_to_module.h" + +#include +#include + +#include "common/byte_cursor.h" +#include "common/module.h" + +namespace google_breakpad { + +class ELFSymbolIterator { +public: + // The contents of an ELF symbol, adjusted for the host's endianness, + // word size, and so on. Corresponds to the data in Elf32_Sym / Elf64_Sym. + struct Symbol { + // True if this iterator has reached the end of the symbol array. When + // this is set, the other members of this structure are not valid. + bool at_end; + + // The number of this symbol within the list. + size_t index; + + // The current symbol's name offset. This is the offset within the + // string table. + size_t name_offset; + + // The current symbol's value, size, info and shndx fields. + uint64_t value; + uint64_t size; + unsigned char info; + uint16_t shndx; + }; + + // Create an ELFSymbolIterator walking the symbols in BUFFER. Treat the + // symbols as big-endian if BIG_ENDIAN is true, as little-endian + // otherwise. Assume each symbol has a 'value' field whose size is + // VALUE_SIZE. + // + ELFSymbolIterator(const ByteBuffer *buffer, bool big_endian, + size_t value_size) + : value_size_(value_size), cursor_(buffer, big_endian) { + // Actually, weird sizes could be handled just fine, but they're + // probably mistakes --- expressed in bits, say. + assert(value_size == 4 || value_size == 8); + symbol_.index = 0; + Fetch(); + } + + // Move to the next symbol. This function's behavior is undefined if + // at_end() is true when it is called. + ELFSymbolIterator &operator++() { Fetch(); symbol_.index++; return *this; } + + // Dereferencing this iterator produces a reference to an Symbol structure + // that holds the current symbol's values. The symbol is owned by this + // SymbolIterator, and will be invalidated at the next call to operator++. + const Symbol &operator*() const { return symbol_; } + const Symbol *operator->() const { return &symbol_; } + +private: + // Read the symbol at cursor_, and set symbol_ appropriately. + void Fetch() { + // Elf32_Sym and Elf64_Sym have different layouts. + unsigned char other; + if (value_size_ == 4) { + // Elf32_Sym + cursor_ + .Read(4, false, &symbol_.name_offset) + .Read(4, false, &symbol_.value) + .Read(4, false, &symbol_.size) + .Read(1, false, &symbol_.info) + .Read(1, false, &other) + .Read(2, false, &symbol_.shndx); + } else { + // Elf64_Sym + cursor_ + .Read(4, false, &symbol_.name_offset) + .Read(1, false, &symbol_.info) + .Read(1, false, &other) + .Read(2, false, &symbol_.shndx) + .Read(8, false, &symbol_.value) + .Read(8, false, &symbol_.size); + } + symbol_.at_end = !cursor_; + } + + // The size of symbols' value field, in bytes. + size_t value_size_; + + // A byte cursor traversing buffer_. + ByteCursor cursor_; + + // Values for the symbol this iterator refers to. + Symbol symbol_; +}; + +const char *SymbolString(ptrdiff_t offset, ByteBuffer& strings) { + if (offset < 0 || (size_t) offset >= strings.Size()) { + // Return the null string. + offset = 0; + } + return reinterpret_cast(strings.start + offset); +} + +bool ELFSymbolsToModule(const uint8_t *symtab_section, + size_t symtab_size, + const uint8_t *string_section, + size_t string_size, + const bool big_endian, + size_t value_size, + Module *module) { + ByteBuffer symbols(symtab_section, symtab_size); + // Ensure that the string section is null-terminated. + if (string_section[string_size - 1] != '\0') { + const void* null_terminator = memrchr(string_section, '\0', string_size); + string_size = reinterpret_cast(null_terminator) + - string_section; + } + ByteBuffer strings(string_section, string_size); + + // The iterator walking the symbol table. + ELFSymbolIterator iterator(&symbols, big_endian, value_size); + + while(!iterator->at_end) { + if (ELF32_ST_TYPE(iterator->info) == STT_FUNC && + iterator->shndx != SHN_UNDEF) { + Module::Extern *ext = new Module::Extern; + ext->name = SymbolString(iterator->name_offset, strings); + ext->address = iterator->value; + module->AddExtern(ext); + } + ++iterator; + } + return true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/elf_symbols_to_module.h b/google-breakpad/src/common/linux/elf_symbols_to_module.h new file mode 100644 index 0000000..2e7c097 --- /dev/null +++ b/google-breakpad/src/common/linux/elf_symbols_to_module.h @@ -0,0 +1,58 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2011 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Ted Mielczarek + +// elf_symbols_to_module.h: Exposes ELFSymbolsToModule, a function +// for reading ELF symbol tables and inserting exported symbol names +// into a google_breakpad::Module as Extern definitions. + +#ifndef BREAKPAD_COMMON_LINUX_ELF_SYMBOLS_TO_MODULE_H_ +#define BREAKPAD_COMMON_LINUX_ELF_SYMBOLS_TO_MODULE_H_ + +#include +#include + +namespace google_breakpad { + +class Module; + +bool ELFSymbolsToModule(const uint8_t *symtab_section, + size_t symtab_size, + const uint8_t *string_section, + size_t string_size, + const bool big_endian, + size_t value_size, + Module *module); + +} // namespace google_breakpad + + +#endif // BREAKPAD_COMMON_LINUX_ELF_SYMBOLS_TO_MODULE_H_ diff --git a/google-breakpad/src/common/linux/elf_symbols_to_module_unittest.cc b/google-breakpad/src/common/linux/elf_symbols_to_module_unittest.cc new file mode 100644 index 0000000..8984449 --- /dev/null +++ b/google-breakpad/src/common/linux/elf_symbols_to_module_unittest.cc @@ -0,0 +1,370 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Ted Mielczarek + +// elf_symbols_to_module_unittest.cc: +// Unittests for google_breakpad::ELFSymbolsToModule + +#include + +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/linux/elf_symbols_to_module.h" +#include "common/linux/synth_elf.h" +#include "common/module.h" +#include "common/test_assembler.h" +#include "common/using_std_string.h" + +using google_breakpad::Module; +using google_breakpad::synth_elf::StringTable; +using google_breakpad::test_assembler::Endianness; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::Section; +using ::testing::Test; +using ::testing::TestWithParam; +using std::vector; + +class ELFSymbolsToModuleTestFixture { +public: + ELFSymbolsToModuleTestFixture(Endianness endianness, + size_t value_size) : module("a", "b", "c", "d"), + section(endianness), + table(endianness), + value_size(value_size) {} + + bool ProcessSection() { + string section_contents, table_contents; + section.GetContents(§ion_contents); + table.GetContents(&table_contents); + + bool ret = ELFSymbolsToModule(reinterpret_cast(section_contents.data()), + section_contents.size(), + reinterpret_cast(table_contents.data()), + table_contents.size(), + section.endianness() == kBigEndian, + value_size, + &module); + module.GetExterns(&externs, externs.end()); + return ret; + } + + Module module; + Section section; + StringTable table; + string section_contents; + // 4 or 8 (bytes) + size_t value_size; + + vector externs; +}; + +class ELFSymbolsToModuleTest32 : public ELFSymbolsToModuleTestFixture, + public TestWithParam { +public: + ELFSymbolsToModuleTest32() : ELFSymbolsToModuleTestFixture(GetParam(), 4) {} + + void AddElf32Sym(const string& name, uint32_t value, + uint32_t size, unsigned info, uint16_t shndx) { + section + .D32(table.Add(name)) + .D32(value) + .D32(size) + .D8(info) + .D8(0) // other + .D16(shndx); + } +}; + +TEST_P(ELFSymbolsToModuleTest32, NoFuncs) { + ProcessSection(); + + ASSERT_EQ((size_t)0, externs.size()); +} + +TEST_P(ELFSymbolsToModuleTest32, OneFunc) { + const string kFuncName = "superfunc"; + const uint32_t kFuncAddr = 0x1000; + const uint32_t kFuncSize = 0x10; + + AddElf32Sym(kFuncName, kFuncAddr, kFuncSize, + ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 1); + + ProcessSection(); + + ASSERT_EQ((size_t)1, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr, extern1->address); +} + +TEST_P(ELFSymbolsToModuleTest32, NameOutOfBounds) { + const string kFuncName = ""; + const uint32_t kFuncAddr = 0x1000; + const uint32_t kFuncSize = 0x10; + + table.Add("Foo"); + table.Add("Bar"); + // Can't use AddElf32Sym because it puts in a valid string offset. + section + .D32((uint32_t)table.Here().Value() + 1) + .D32(kFuncAddr) + .D32(kFuncSize) + .D8(ELF32_ST_INFO(STB_GLOBAL, STT_FUNC)) + .D8(0) // other + .D16(SHN_UNDEF + 1); + + ProcessSection(); + + ASSERT_EQ((size_t)1, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr, extern1->address); +} + +TEST_P(ELFSymbolsToModuleTest32, NonTerminatedStringTable) { + const string kFuncName = ""; + const uint32_t kFuncAddr = 0x1000; + const uint32_t kFuncSize = 0x10; + + table.Add("Foo"); + table.Add("Bar"); + // Add a non-null-terminated string to the end of the string table + Label l; + table + .Mark(&l) + .Append("Unterminated"); + // Can't use AddElf32Sym because it puts in a valid string offset. + section + .D32((uint32_t)l.Value()) + .D32(kFuncAddr) + .D32(kFuncSize) + .D8(ELF32_ST_INFO(STB_GLOBAL, STT_FUNC)) + .D8(0) // other + .D16(SHN_UNDEF + 1); + + ProcessSection(); + + ASSERT_EQ((size_t)1, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr, extern1->address); +} + +TEST_P(ELFSymbolsToModuleTest32, MultipleFuncs) { + const string kFuncName1 = "superfunc"; + const uint32_t kFuncAddr1 = 0x10001000; + const uint32_t kFuncSize1 = 0x10; + const string kFuncName2 = "awesomefunc"; + const uint32_t kFuncAddr2 = 0x20002000; + const uint32_t kFuncSize2 = 0x2f; + const string kFuncName3 = "megafunc"; + const uint32_t kFuncAddr3 = 0x30003000; + const uint32_t kFuncSize3 = 0x3c; + + AddElf32Sym(kFuncName1, kFuncAddr1, kFuncSize1, + ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 1); + AddElf32Sym(kFuncName2, kFuncAddr2, kFuncSize2, + ELF32_ST_INFO(STB_LOCAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 2); + AddElf32Sym(kFuncName3, kFuncAddr3, kFuncSize3, + ELF32_ST_INFO(STB_LOCAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 3); + + ProcessSection(); + + ASSERT_EQ((size_t)3, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName1, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr1, extern1->address); + Module::Extern *extern2 = externs[1]; + EXPECT_EQ(kFuncName2, extern2->name); + EXPECT_EQ((Module::Address)kFuncAddr2, extern2->address); + Module::Extern *extern3 = externs[2]; + EXPECT_EQ(kFuncName3, extern3->name); + EXPECT_EQ((Module::Address)kFuncAddr3, extern3->address); +} + +TEST_P(ELFSymbolsToModuleTest32, SkipStuff) { + const string kFuncName = "superfunc"; + const uint32_t kFuncAddr = 0x1000; + const uint32_t kFuncSize = 0x10; + + // Should skip functions in SHN_UNDEF + AddElf32Sym("skipme", 0xFFFF, 0x10, + ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), + SHN_UNDEF); + AddElf32Sym(kFuncName, kFuncAddr, kFuncSize, + ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 1); + // Should skip non-STT_FUNC entries. + AddElf32Sym("skipmetoo", 0xAAAA, 0x10, + ELF32_ST_INFO(STB_GLOBAL, STT_FILE), + SHN_UNDEF + 1); + + ProcessSection(); + + ASSERT_EQ((size_t)1, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr, extern1->address); +} + +// Run all the 32-bit tests with both endianness +INSTANTIATE_TEST_CASE_P(Endian, + ELFSymbolsToModuleTest32, + ::testing::Values(kLittleEndian, kBigEndian)); + +// Similar tests, but with 64-bit values. Ostensibly this could be +// shoehorned into the parameterization by using ::testing::Combine, +// but that would make it difficult to get the types right since these +// actual test cases aren't parameterized. This could also be written +// as a type-parameterized test, but combining that with a value-parameterized +// test seemed really ugly, and also makes it harder to test 64-bit +// values. +class ELFSymbolsToModuleTest64 : public ELFSymbolsToModuleTestFixture, + public TestWithParam { +public: + ELFSymbolsToModuleTest64() : ELFSymbolsToModuleTestFixture(GetParam(), 8) {} + + void AddElf64Sym(const string& name, uint64_t value, + uint64_t size, unsigned info, uint16_t shndx) { + section + .D32(table.Add(name)) + .D8(info) + .D8(0) // other + .D16(shndx) + .D64(value) + .D64(size); + } +}; + +TEST_P(ELFSymbolsToModuleTest64, NoFuncs) { + ProcessSection(); + + ASSERT_EQ((size_t)0, externs.size()); +} + +TEST_P(ELFSymbolsToModuleTest64, OneFunc) { + const string kFuncName = "superfunc"; + const uint64_t kFuncAddr = 0x1000200030004000ULL; + const uint64_t kFuncSize = 0x1000; + + AddElf64Sym(kFuncName, kFuncAddr, kFuncSize, + ELF64_ST_INFO(STB_GLOBAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 1); + + ProcessSection(); + + ASSERT_EQ((size_t)1, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr, extern1->address); +} + +TEST_P(ELFSymbolsToModuleTest64, MultipleFuncs) { + const string kFuncName1 = "superfunc"; + const uint64_t kFuncAddr1 = 0x1000100010001000ULL; + const uint64_t kFuncSize1 = 0x1000; + const string kFuncName2 = "awesomefunc"; + const uint64_t kFuncAddr2 = 0x2000200020002000ULL; + const uint64_t kFuncSize2 = 0x2f00; + const string kFuncName3 = "megafunc"; + const uint64_t kFuncAddr3 = 0x3000300030003000ULL; + const uint64_t kFuncSize3 = 0x3c00; + + AddElf64Sym(kFuncName1, kFuncAddr1, kFuncSize1, + ELF64_ST_INFO(STB_GLOBAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 1); + AddElf64Sym(kFuncName2, kFuncAddr2, kFuncSize2, + ELF64_ST_INFO(STB_LOCAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 2); + AddElf64Sym(kFuncName3, kFuncAddr3, kFuncSize3, + ELF64_ST_INFO(STB_LOCAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 3); + + ProcessSection(); + + ASSERT_EQ((size_t)3, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName1, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr1, extern1->address); + Module::Extern *extern2 = externs[1]; + EXPECT_EQ(kFuncName2, extern2->name); + EXPECT_EQ((Module::Address)kFuncAddr2, extern2->address); + Module::Extern *extern3 = externs[2]; + EXPECT_EQ(kFuncName3, extern3->name); + EXPECT_EQ((Module::Address)kFuncAddr3, extern3->address); +} + +TEST_P(ELFSymbolsToModuleTest64, SkipStuff) { + const string kFuncName = "superfunc"; + const uint64_t kFuncAddr = 0x1000100010001000ULL; + const uint64_t kFuncSize = 0x1000; + + // Should skip functions in SHN_UNDEF + AddElf64Sym("skipme", 0xFFFF, 0x10, + ELF64_ST_INFO(STB_GLOBAL, STT_FUNC), + SHN_UNDEF); + AddElf64Sym(kFuncName, kFuncAddr, kFuncSize, + ELF64_ST_INFO(STB_GLOBAL, STT_FUNC), + // Doesn't really matter, just can't be SHN_UNDEF. + SHN_UNDEF + 1); + // Should skip non-STT_FUNC entries. + AddElf64Sym("skipmetoo", 0xAAAA, 0x10, + ELF64_ST_INFO(STB_GLOBAL, STT_FILE), + SHN_UNDEF + 1); + + ProcessSection(); + + ASSERT_EQ((size_t)1, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_EQ(kFuncName, extern1->name); + EXPECT_EQ((Module::Address)kFuncAddr, extern1->address); +} + +// Run all the 64-bit tests with both endianness +INSTANTIATE_TEST_CASE_P(Endian, + ELFSymbolsToModuleTest64, + ::testing::Values(kLittleEndian, kBigEndian)); diff --git a/google-breakpad/src/common/linux/elfutils-inl.h b/google-breakpad/src/common/linux/elfutils-inl.h new file mode 100644 index 0000000..e56b37a --- /dev/null +++ b/google-breakpad/src/common/linux/elfutils-inl.h @@ -0,0 +1,74 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_LINUX_ELFUTILS_INL_H__ +#define COMMON_LINUX_ELFUTILS_INL_H__ + +#include "common/linux/linux_libc_support.h" +#include "elfutils.h" + +namespace google_breakpad { + +template +const T* GetOffset(const typename ElfClass::Ehdr* elf_header, + typename ElfClass::Off offset) { + return reinterpret_cast(reinterpret_cast(elf_header) + + offset); +} + +template +const typename ElfClass::Shdr* FindElfSectionByName( + const char* name, + typename ElfClass::Word section_type, + const typename ElfClass::Shdr* sections, + const char* section_names, + const char* names_end, + int nsection) { + assert(name != NULL); + assert(sections != NULL); + assert(nsection > 0); + + int name_len = my_strlen(name); + if (name_len == 0) + return NULL; + + for (int i = 0; i < nsection; ++i) { + const char* section_name = section_names + sections[i].sh_name; + if (sections[i].sh_type == section_type && + names_end - section_name >= name_len + 1 && + my_strcmp(name, section_name) == 0) { + return sections + i; + } + } + return NULL; +} + +} // namespace google_breakpad + +#endif // COMMON_LINUX_ELFUTILS_INL_H__ diff --git a/google-breakpad/src/common/linux/elfutils.cc b/google-breakpad/src/common/linux/elfutils.cc new file mode 100644 index 0000000..1fd504d --- /dev/null +++ b/google-breakpad/src/common/linux/elfutils.cc @@ -0,0 +1,194 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "common/linux/elfutils.h" + +#include +#include + +#include "common/linux/linux_libc_support.h" +#include "common/linux/elfutils-inl.h" + +namespace google_breakpad { + +namespace { + +template +void FindElfClassSection(const char *elf_base, + const char *section_name, + typename ElfClass::Word section_type, + const void **section_start, + int *section_size) { + typedef typename ElfClass::Ehdr Ehdr; + typedef typename ElfClass::Shdr Shdr; + + assert(elf_base); + assert(section_start); + assert(section_size); + + assert(my_strncmp(elf_base, ELFMAG, SELFMAG) == 0); + + const Ehdr* elf_header = reinterpret_cast(elf_base); + assert(elf_header->e_ident[EI_CLASS] == ElfClass::kClass); + + const Shdr* sections = + GetOffset(elf_header, elf_header->e_shoff); + const Shdr* section_names = sections + elf_header->e_shstrndx; + const char* names = + GetOffset(elf_header, section_names->sh_offset); + const char *names_end = names + section_names->sh_size; + + const Shdr* section = + FindElfSectionByName(section_name, section_type, + sections, names, names_end, + elf_header->e_shnum); + + if (section != NULL && section->sh_size > 0) { + *section_start = elf_base + section->sh_offset; + *section_size = section->sh_size; + } +} + +template +void FindElfClassSegment(const char *elf_base, + typename ElfClass::Word segment_type, + const void **segment_start, + int *segment_size) { + typedef typename ElfClass::Ehdr Ehdr; + typedef typename ElfClass::Phdr Phdr; + + assert(elf_base); + assert(segment_start); + assert(segment_size); + + assert(my_strncmp(elf_base, ELFMAG, SELFMAG) == 0); + + const Ehdr* elf_header = reinterpret_cast(elf_base); + assert(elf_header->e_ident[EI_CLASS] == ElfClass::kClass); + + const Phdr* phdrs = + GetOffset(elf_header, elf_header->e_phoff); + + for (int i = 0; i < elf_header->e_phnum; ++i) { + if (phdrs[i].p_type == segment_type) { + *segment_start = elf_base + phdrs[i].p_offset; + *segment_size = phdrs[i].p_filesz; + return; + } + } +} + +} // namespace + +bool IsValidElf(const void* elf_base) { + return my_strncmp(reinterpret_cast(elf_base), + ELFMAG, SELFMAG) == 0; +} + +int ElfClass(const void* elf_base) { + const ElfW(Ehdr)* elf_header = + reinterpret_cast(elf_base); + + return elf_header->e_ident[EI_CLASS]; +} + +bool FindElfSection(const void *elf_mapped_base, + const char *section_name, + uint32_t section_type, + const void **section_start, + int *section_size, + int *elfclass) { + assert(elf_mapped_base); + assert(section_start); + assert(section_size); + + *section_start = NULL; + *section_size = 0; + + if (!IsValidElf(elf_mapped_base)) + return false; + + int cls = ElfClass(elf_mapped_base); + if (elfclass) { + *elfclass = cls; + } + + const char* elf_base = + static_cast(elf_mapped_base); + + if (cls == ELFCLASS32) { + FindElfClassSection(elf_base, section_name, section_type, + section_start, section_size); + return *section_start != NULL; + } else if (cls == ELFCLASS64) { + FindElfClassSection(elf_base, section_name, section_type, + section_start, section_size); + return *section_start != NULL; + } + + return false; +} + +bool FindElfSegment(const void *elf_mapped_base, + uint32_t segment_type, + const void **segment_start, + int *segment_size, + int *elfclass) { + assert(elf_mapped_base); + assert(segment_start); + assert(segment_size); + + *segment_start = NULL; + *segment_size = 0; + + if (!IsValidElf(elf_mapped_base)) + return false; + + int cls = ElfClass(elf_mapped_base); + if (elfclass) { + *elfclass = cls; + } + + const char* elf_base = + static_cast(elf_mapped_base); + + if (cls == ELFCLASS32) { + FindElfClassSegment(elf_base, segment_type, + segment_start, segment_size); + return *segment_start != NULL; + } else if (cls == ELFCLASS64) { + FindElfClassSegment(elf_base, segment_type, + segment_start, segment_size); + return *segment_start != NULL; + } + + return false; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/elfutils.h b/google-breakpad/src/common/linux/elfutils.h new file mode 100644 index 0000000..fe12e25 --- /dev/null +++ b/google-breakpad/src/common/linux/elfutils.h @@ -0,0 +1,118 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// elfutils.h: Utilities for dealing with ELF files. +// + +#ifndef COMMON_LINUX_ELFUTILS_H__ +#define COMMON_LINUX_ELFUTILS_H__ + +#include +#include +#include + +namespace google_breakpad { + +// Traits classes so consumers can write templatized code to deal +// with specific ELF bits. +struct ElfClass32 { + typedef Elf32_Addr Addr; + typedef Elf32_Ehdr Ehdr; + typedef Elf32_Nhdr Nhdr; + typedef Elf32_Phdr Phdr; + typedef Elf32_Shdr Shdr; + typedef Elf32_Half Half; + typedef Elf32_Off Off; + typedef Elf32_Word Word; + static const int kClass = ELFCLASS32; + static const size_t kAddrSize = sizeof(Elf32_Addr); +}; + +struct ElfClass64 { + typedef Elf64_Addr Addr; + typedef Elf64_Ehdr Ehdr; + typedef Elf64_Nhdr Nhdr; + typedef Elf64_Phdr Phdr; + typedef Elf64_Shdr Shdr; + typedef Elf64_Half Half; + typedef Elf64_Off Off; + typedef Elf64_Word Word; + static const int kClass = ELFCLASS64; + static const size_t kAddrSize = sizeof(Elf64_Addr); +}; + +bool IsValidElf(const void* elf_header); +int ElfClass(const void* elf_base); + +// Attempt to find a section named |section_name| of type |section_type| +// in the ELF binary data at |elf_mapped_base|. On success, returns true +// and sets |*section_start| to point to the start of the section data, +// and |*section_size| to the size of the section's data. If |elfclass| +// is not NULL, set |*elfclass| to the ELF file class. +bool FindElfSection(const void *elf_mapped_base, + const char *section_name, + uint32_t section_type, + const void **section_start, + int *section_size, + int *elfclass); + +// Internal helper method, exposed for convenience for callers +// that already have more info. +template +const typename ElfClass::Shdr* +FindElfSectionByName(const char* name, + typename ElfClass::Word section_type, + const typename ElfClass::Shdr* sections, + const char* section_names, + const char* names_end, + int nsection); + +// Attempt to find the first segment of type |segment_type| in the ELF +// binary data at |elf_mapped_base|. On success, returns true and sets +// |*segment_start| to point to the start of the segment data, and +// and |*segment_size| to the size of the segment's data. If |elfclass| +// is not NULL, set |*elfclass| to the ELF file class. +bool FindElfSegment(const void *elf_mapped_base, + uint32_t segment_type, + const void **segment_start, + int *segment_size, + int *elfclass); + +// Convert an offset from an Elf header into a pointer to the mapped +// address in the current process. Takes an extra template parameter +// to specify the return type to avoid having to dynamic_cast the +// result. +template +const T* +GetOffset(const typename ElfClass::Ehdr* elf_header, + typename ElfClass::Off offset); + +} // namespace google_breakpad + +#endif // COMMON_LINUX_ELFUTILS_H__ diff --git a/google-breakpad/src/common/linux/file_id.cc b/google-breakpad/src/common/linux/file_id.cc new file mode 100644 index 0000000..e363178 --- /dev/null +++ b/google-breakpad/src/common/linux/file_id.cc @@ -0,0 +1,192 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// file_id.cc: Return a unique identifier for a file +// +// See file_id.h for documentation +// + +#include "common/linux/file_id.h" + +#include +#include +#include + +#include + +#include "common/linux/elf_gnu_compat.h" +#include "common/linux/elfutils.h" +#include "common/linux/linux_libc_support.h" +#include "common/linux/memory_mapped_file.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +FileID::FileID(const char* path) { + strncpy(path_, path, sizeof(path_)); +} + +// ELF note name and desc are 32-bits word padded. +#define NOTE_PADDING(a) ((a + 3) & ~3) + +// These functions are also used inside the crashed process, so be safe +// and use the syscall/libc wrappers instead of direct syscalls or libc. + +template +static bool ElfClassBuildIDNoteIdentifier(const void *section, int length, + uint8_t identifier[kMDGUIDSize]) { + typedef typename ElfClass::Nhdr Nhdr; + + const void* section_end = reinterpret_cast(section) + length; + const Nhdr* note_header = reinterpret_cast(section); + while (reinterpret_cast(note_header) < section_end) { + if (note_header->n_type == NT_GNU_BUILD_ID) + break; + note_header = reinterpret_cast( + reinterpret_cast(note_header) + sizeof(Nhdr) + + NOTE_PADDING(note_header->n_namesz) + + NOTE_PADDING(note_header->n_descsz)); + } + if (reinterpret_cast(note_header) >= section_end || + note_header->n_descsz == 0) { + return false; + } + + const char* build_id = reinterpret_cast(note_header) + + sizeof(Nhdr) + NOTE_PADDING(note_header->n_namesz); + // Copy as many bits of the build ID as will fit + // into the GUID space. + my_memset(identifier, 0, kMDGUIDSize); + memcpy(identifier, build_id, + std::min(kMDGUIDSize, (size_t)note_header->n_descsz)); + + return true; +} + +// Attempt to locate a .note.gnu.build-id section in an ELF binary +// and copy as many bytes of it as will fit into |identifier|. +static bool FindElfBuildIDNote(const void *elf_mapped_base, + uint8_t identifier[kMDGUIDSize]) { + void* note_section; + int note_size, elfclass; + if ((!FindElfSegment(elf_mapped_base, PT_NOTE, + (const void**)¬e_section, ¬e_size, &elfclass) || + note_size == 0) && + (!FindElfSection(elf_mapped_base, ".note.gnu.build-id", SHT_NOTE, + (const void**)¬e_section, ¬e_size, &elfclass) || + note_size == 0)) { + return false; + } + + if (elfclass == ELFCLASS32) { + return ElfClassBuildIDNoteIdentifier(note_section, note_size, + identifier); + } else if (elfclass == ELFCLASS64) { + return ElfClassBuildIDNoteIdentifier(note_section, note_size, + identifier); + } + + return false; +} + +// Attempt to locate the .text section of an ELF binary and generate +// a simple hash by XORing the first page worth of bytes into |identifier|. +static bool HashElfTextSection(const void *elf_mapped_base, + uint8_t identifier[kMDGUIDSize]) { + void* text_section; + int text_size; + if (!FindElfSection(elf_mapped_base, ".text", SHT_PROGBITS, + (const void**)&text_section, &text_size, NULL) || + text_size == 0) { + return false; + } + + my_memset(identifier, 0, kMDGUIDSize); + const uint8_t* ptr = reinterpret_cast(text_section); + const uint8_t* ptr_end = ptr + std::min(text_size, 4096); + while (ptr < ptr_end) { + for (unsigned i = 0; i < kMDGUIDSize; i++) + identifier[i] ^= ptr[i]; + ptr += kMDGUIDSize; + } + return true; +} + +// static +bool FileID::ElfFileIdentifierFromMappedFile(const void* base, + uint8_t identifier[kMDGUIDSize]) { + // Look for a build id note first. + if (FindElfBuildIDNote(base, identifier)) + return true; + + // Fall back on hashing the first page of the text section. + return HashElfTextSection(base, identifier); +} + +bool FileID::ElfFileIdentifier(uint8_t identifier[kMDGUIDSize]) { + MemoryMappedFile mapped_file(path_); + if (!mapped_file.data()) // Should probably check if size >= ElfW(Ehdr)? + return false; + + return ElfFileIdentifierFromMappedFile(mapped_file.data(), identifier); +} + +// static +void FileID::ConvertIdentifierToString(const uint8_t identifier[kMDGUIDSize], + char* buffer, int buffer_length) { + uint8_t identifier_swapped[kMDGUIDSize]; + + // Endian-ness swap to match dump processor expectation. + memcpy(identifier_swapped, identifier, kMDGUIDSize); + uint32_t* data1 = reinterpret_cast(identifier_swapped); + *data1 = htonl(*data1); + uint16_t* data2 = reinterpret_cast(identifier_swapped + 4); + *data2 = htons(*data2); + uint16_t* data3 = reinterpret_cast(identifier_swapped + 6); + *data3 = htons(*data3); + + int buffer_idx = 0; + for (unsigned int idx = 0; + (buffer_idx < buffer_length) && (idx < kMDGUIDSize); + ++idx) { + int hi = (identifier_swapped[idx] >> 4) & 0x0F; + int lo = (identifier_swapped[idx]) & 0x0F; + + if (idx == 4 || idx == 6 || idx == 8 || idx == 10) + buffer[buffer_idx++] = '-'; + + buffer[buffer_idx++] = (hi >= 10) ? 'A' + hi - 10 : '0' + hi; + buffer[buffer_idx++] = (lo >= 10) ? 'A' + lo - 10 : '0' + lo; + } + + // NULL terminate + buffer[(buffer_idx < buffer_length) ? buffer_idx : buffer_idx - 1] = 0; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/file_id.h b/google-breakpad/src/common/linux/file_id.h new file mode 100644 index 0000000..70a6b3f --- /dev/null +++ b/google-breakpad/src/common/linux/file_id.h @@ -0,0 +1,77 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// file_id.h: Return a unique identifier for a file +// + +#ifndef COMMON_LINUX_FILE_ID_H__ +#define COMMON_LINUX_FILE_ID_H__ + +#include + +#include "common/linux/guid_creator.h" + +namespace google_breakpad { + +static const size_t kMDGUIDSize = sizeof(MDGUID); + +class FileID { + public: + explicit FileID(const char* path); + ~FileID() {} + + // Load the identifier for the elf file path specified in the constructor into + // |identifier|. Return false if the identifier could not be created for the + // file. + // The current implementation will look for a .note.gnu.build-id + // section and use that as the file id, otherwise it falls back to + // XORing the first 4096 bytes of the .text section to generate an identifier. + bool ElfFileIdentifier(uint8_t identifier[kMDGUIDSize]); + + // Load the identifier for the elf file mapped into memory at |base| into + // |identifier|. Return false if the identifier could not be created for the + // file. + static bool ElfFileIdentifierFromMappedFile(const void* base, + uint8_t identifier[kMDGUIDSize]); + + // Convert the |identifier| data to a NULL terminated string. The string will + // be formatted as a UUID (e.g., 22F065BB-FC9C-49F7-80FE-26A7CEBD7BCE). + // The |buffer| should be at least 37 bytes long to receive all of the data + // and termination. Shorter buffers will contain truncated data. + static void ConvertIdentifierToString(const uint8_t identifier[kMDGUIDSize], + char* buffer, int buffer_length); + + private: + // Storage for the path specified + char path_[PATH_MAX]; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_FILE_ID_H__ diff --git a/google-breakpad/src/common/linux/file_id_unittest.cc b/google-breakpad/src/common/linux/file_id_unittest.cc new file mode 100644 index 0000000..4bf4f8d --- /dev/null +++ b/google-breakpad/src/common/linux/file_id_unittest.cc @@ -0,0 +1,259 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Unit tests for FileID + +#include +#include + +#include + +#include "common/linux/elf_gnu_compat.h" +#include "common/linux/elfutils.h" +#include "common/linux/file_id.h" +#include "common/linux/safe_readlink.h" +#include "common/linux/synth_elf.h" +#include "common/test_assembler.h" +#include "common/tests/auto_tempdir.h" +#include "common/using_std_string.h" +#include "breakpad_googletest_includes.h" + +using namespace google_breakpad; +using google_breakpad::ElfClass32; +using google_breakpad::ElfClass64; +using google_breakpad::SafeReadLink; +using google_breakpad::synth_elf::ELF; +using google_breakpad::synth_elf::Notes; +using google_breakpad::test_assembler::kLittleEndian; +using google_breakpad::test_assembler::Section; +using ::testing::Types; + +namespace { + +// Simply calling Section::Append(size, byte) produces a uninteresting pattern +// that tends to get hashed to 0000...0000. This populates the section with +// data to produce better hashes. +void PopulateSection(Section* section, int size, int prime_number) { + for (int i = 0; i < size; i++) + section->Append(1, (i % prime_number) % 256); +} + +} // namespace + +TEST(FileIDStripTest, StripSelf) { + // Calculate the File ID of this binary using + // FileID::ElfFileIdentifier, then make a copy of this binary, + // strip it, and ensure that the result is the same. + char exe_name[PATH_MAX]; + ASSERT_TRUE(SafeReadLink("/proc/self/exe", exe_name)); + + // copy our binary to a temp file, and strip it + AutoTempDir temp_dir; + string templ = temp_dir.path() + "/file-id-unittest"; + char cmdline[4096]; + sprintf(cmdline, "cp \"%s\" \"%s\"", exe_name, templ.c_str()); + ASSERT_EQ(0, system(cmdline)) << "Failed to execute: " << cmdline; + sprintf(cmdline, "chmod u+w \"%s\"", templ.c_str()); + ASSERT_EQ(0, system(cmdline)) << "Failed to execute: " << cmdline; + sprintf(cmdline, "strip \"%s\"", templ.c_str()); + ASSERT_EQ(0, system(cmdline)) << "Failed to execute: " << cmdline; + + uint8_t identifier1[sizeof(MDGUID)]; + uint8_t identifier2[sizeof(MDGUID)]; + FileID fileid1(exe_name); + EXPECT_TRUE(fileid1.ElfFileIdentifier(identifier1)); + FileID fileid2(templ.c_str()); + EXPECT_TRUE(fileid2.ElfFileIdentifier(identifier2)); + char identifier_string1[37]; + char identifier_string2[37]; + FileID::ConvertIdentifierToString(identifier1, identifier_string1, + 37); + FileID::ConvertIdentifierToString(identifier2, identifier_string2, + 37); + EXPECT_STREQ(identifier_string1, identifier_string2); +} + +template +class FileIDTest : public testing::Test { +public: + void GetElfContents(ELF& elf) { + string contents; + ASSERT_TRUE(elf.GetContents(&contents)); + ASSERT_LT(0U, contents.size()); + + elfdata_v.clear(); + elfdata_v.insert(elfdata_v.begin(), contents.begin(), contents.end()); + elfdata = &elfdata_v[0]; + } + + vector elfdata_v; + uint8_t* elfdata; +}; + +typedef Types ElfClasses; + +TYPED_TEST_CASE(FileIDTest, ElfClasses); + +TYPED_TEST(FileIDTest, ElfClass) { + uint8_t identifier[sizeof(MDGUID)]; + const char expected_identifier_string[] = + "80808080-8080-0000-0000-008080808080"; + char identifier_string[sizeof(expected_identifier_string)]; + const size_t kTextSectionSize = 128; + + ELF elf(EM_386, TypeParam::kClass, kLittleEndian); + Section text(kLittleEndian); + for (size_t i = 0; i < kTextSectionSize; ++i) { + text.D8(i * 3); + } + elf.AddSection(".text", text, SHT_PROGBITS); + elf.Finish(); + this->GetElfContents(elf); + + EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, + identifier)); + + FileID::ConvertIdentifierToString(identifier, identifier_string, + sizeof(identifier_string)); + EXPECT_STREQ(expected_identifier_string, identifier_string); +} + +TYPED_TEST(FileIDTest, BuildID) { + const uint8_t kExpectedIdentifier[sizeof(MDGUID)] = + {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F}; + char expected_identifier_string[] = + "00000000-0000-0000-0000-000000000000"; + FileID::ConvertIdentifierToString(kExpectedIdentifier, + expected_identifier_string, + sizeof(expected_identifier_string)); + + uint8_t identifier[sizeof(MDGUID)]; + char identifier_string[sizeof(expected_identifier_string)]; + + ELF elf(EM_386, TypeParam::kClass, kLittleEndian); + Section text(kLittleEndian); + text.Append(4096, 0); + elf.AddSection(".text", text, SHT_PROGBITS); + Notes notes(kLittleEndian); + notes.AddNote(NT_GNU_BUILD_ID, "GNU", kExpectedIdentifier, + sizeof(kExpectedIdentifier)); + elf.AddSection(".note.gnu.build-id", notes, SHT_NOTE); + elf.Finish(); + this->GetElfContents(elf); + + EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, + identifier)); + + FileID::ConvertIdentifierToString(identifier, identifier_string, + sizeof(identifier_string)); + EXPECT_STREQ(expected_identifier_string, identifier_string); +} + +TYPED_TEST(FileIDTest, BuildIDPH) { + const uint8_t kExpectedIdentifier[sizeof(MDGUID)] = + {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F}; + char expected_identifier_string[] = + "00000000-0000-0000-0000-000000000000"; + FileID::ConvertIdentifierToString(kExpectedIdentifier, + expected_identifier_string, + sizeof(expected_identifier_string)); + + uint8_t identifier[sizeof(MDGUID)]; + char identifier_string[sizeof(expected_identifier_string)]; + + ELF elf(EM_386, TypeParam::kClass, kLittleEndian); + Section text(kLittleEndian); + text.Append(4096, 0); + elf.AddSection(".text", text, SHT_PROGBITS); + Notes notes(kLittleEndian); + notes.AddNote(0, "Linux", + reinterpret_cast("\0x42\0x02\0\0"), 4); + notes.AddNote(NT_GNU_BUILD_ID, "GNU", kExpectedIdentifier, + sizeof(kExpectedIdentifier)); + int note_idx = elf.AddSection(".note", notes, SHT_NOTE); + elf.AddSegment(note_idx, note_idx, PT_NOTE); + elf.Finish(); + this->GetElfContents(elf); + + EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, + identifier)); + + FileID::ConvertIdentifierToString(identifier, identifier_string, + sizeof(identifier_string)); + EXPECT_STREQ(expected_identifier_string, identifier_string); +} + +// Test to make sure two files with different text sections produce +// different hashes when not using a build id. +TYPED_TEST(FileIDTest, UniqueHashes) { + char identifier_string_1[] = + "00000000-0000-0000-0000-000000000000"; + char identifier_string_2[] = + "00000000-0000-0000-0000-000000000000"; + uint8_t identifier_1[sizeof(MDGUID)]; + uint8_t identifier_2[sizeof(MDGUID)]; + + { + ELF elf1(EM_386, TypeParam::kClass, kLittleEndian); + Section foo_1(kLittleEndian); + PopulateSection(&foo_1, 32, 5); + elf1.AddSection(".foo", foo_1, SHT_PROGBITS); + Section text_1(kLittleEndian); + PopulateSection(&text_1, 4096, 17); + elf1.AddSection(".text", text_1, SHT_PROGBITS); + elf1.Finish(); + this->GetElfContents(elf1); + } + + EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, + identifier_1)); + FileID::ConvertIdentifierToString(identifier_1, identifier_string_1, + sizeof(identifier_string_1)); + + { + ELF elf2(EM_386, TypeParam::kClass, kLittleEndian); + Section text_2(kLittleEndian); + Section foo_2(kLittleEndian); + PopulateSection(&foo_2, 32, 5); + elf2.AddSection(".foo", foo_2, SHT_PROGBITS); + PopulateSection(&text_2, 4096, 31); + elf2.AddSection(".text", text_2, SHT_PROGBITS); + elf2.Finish(); + this->GetElfContents(elf2); + } + + EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, + identifier_2)); + FileID::ConvertIdentifierToString(identifier_2, identifier_string_2, + sizeof(identifier_string_2)); + + EXPECT_STRNE(identifier_string_1, identifier_string_2); +} diff --git a/google-breakpad/src/common/linux/google_crashdump_uploader.cc b/google-breakpad/src/common/linux/google_crashdump_uploader.cc new file mode 100644 index 0000000..b5f32c6 --- /dev/null +++ b/google-breakpad/src/common/linux/google_crashdump_uploader.cc @@ -0,0 +1,199 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +#include "common/linux/google_crashdump_uploader.h" +#include "common/linux/libcurl_wrapper.h" + +#include +#include +#include + +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +GoogleCrashdumpUploader::GoogleCrashdumpUploader(const string& product, + const string& version, + const string& guid, + const string& ptime, + const string& ctime, + const string& email, + const string& comments, + const string& minidump_pathname, + const string& crash_server, + const string& proxy_host, + const string& proxy_userpassword) { + LibcurlWrapper* http_layer = new LibcurlWrapper(); + Init(product, + version, + guid, + ptime, + ctime, + email, + comments, + minidump_pathname, + crash_server, + proxy_host, + proxy_userpassword, + http_layer); +} + +GoogleCrashdumpUploader::GoogleCrashdumpUploader(const string& product, + const string& version, + const string& guid, + const string& ptime, + const string& ctime, + const string& email, + const string& comments, + const string& minidump_pathname, + const string& crash_server, + const string& proxy_host, + const string& proxy_userpassword, + LibcurlWrapper* http_layer) { + Init(product, + version, + guid, + ptime, + ctime, + email, + comments, + minidump_pathname, + crash_server, + proxy_host, + proxy_userpassword, + http_layer); +} + +void GoogleCrashdumpUploader::Init(const string& product, + const string& version, + const string& guid, + const string& ptime, + const string& ctime, + const string& email, + const string& comments, + const string& minidump_pathname, + const string& crash_server, + const string& proxy_host, + const string& proxy_userpassword, + LibcurlWrapper* http_layer) { + product_ = product; + version_ = version; + guid_ = guid; + ptime_ = ptime; + ctime_ = ctime; + email_ = email; + comments_ = comments; + http_layer_ = http_layer; + + crash_server_ = crash_server; + proxy_host_ = proxy_host; + proxy_userpassword_ = proxy_userpassword; + minidump_pathname_ = minidump_pathname; + std::cout << "Uploader initializing"; + std::cout << "\tProduct: " << product_; + std::cout << "\tVersion: " << version_; + std::cout << "\tGUID: " << guid_; + if (!ptime_.empty()) { + std::cout << "\tProcess uptime: " << ptime_; + } + if (!ctime_.empty()) { + std::cout << "\tCumulative Process uptime: " << ctime_; + } + if (!email_.empty()) { + std::cout << "\tEmail: " << email_; + } + if (!comments_.empty()) { + std::cout << "\tComments: " << comments_; + } +} + +bool GoogleCrashdumpUploader::CheckRequiredParametersArePresent() { + string error_text; + if (product_.empty()) { + error_text.append("\nProduct name must be specified."); + } + + if (version_.empty()) { + error_text.append("\nProduct version must be specified."); + } + + if (guid_.empty()) { + error_text.append("\nClient ID must be specified."); + } + + if (minidump_pathname_.empty()) { + error_text.append("\nMinidump pathname must be specified."); + } + + if (!error_text.empty()) { + std::cout << error_text; + return false; + } + return true; + +} + +bool GoogleCrashdumpUploader::Upload() { + bool ok = http_layer_->Init(); + if (!ok) { + std::cout << "http layer init failed"; + return ok; + } + + if (!CheckRequiredParametersArePresent()) { + return false; + } + + struct stat st; + int err = stat(minidump_pathname_.c_str(), &st); + if (err) { + std::cout << minidump_pathname_ << " could not be found"; + return false; + } + + parameters_["prod"] = product_; + parameters_["ver"] = version_; + parameters_["guid"] = guid_; + parameters_["ptime"] = ptime_; + parameters_["ctime"] = ctime_; + parameters_["email"] = email_; + parameters_["comments_"] = comments_; + if (!http_layer_->AddFile(minidump_pathname_, + "upload_file_minidump")) { + return false; + } + std::cout << "Sending request to " << crash_server_; + return http_layer_->SendRequest(crash_server_, + parameters_, + NULL); +} +} diff --git a/google-breakpad/src/common/linux/google_crashdump_uploader.h b/google-breakpad/src/common/linux/google_crashdump_uploader.h new file mode 100644 index 0000000..5eef28b --- /dev/null +++ b/google-breakpad/src/common/linux/google_crashdump_uploader.h @@ -0,0 +1,100 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +#include +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +class LibcurlWrapper; + +class GoogleCrashdumpUploader { + public: + GoogleCrashdumpUploader(const string& product, + const string& version, + const string& guid, + const string& ptime, + const string& ctime, + const string& email, + const string& comments, + const string& minidump_pathname, + const string& crash_server, + const string& proxy_host, + const string& proxy_userpassword); + + GoogleCrashdumpUploader(const string& product, + const string& version, + const string& guid, + const string& ptime, + const string& ctime, + const string& email, + const string& comments, + const string& minidump_pathname, + const string& crash_server, + const string& proxy_host, + const string& proxy_userpassword, + LibcurlWrapper* http_layer); + + void Init(const string& product, + const string& version, + const string& guid, + const string& ptime, + const string& ctime, + const string& email, + const string& comments, + const string& minidump_pathname, + const string& crash_server, + const string& proxy_host, + const string& proxy_userpassword, + LibcurlWrapper* http_layer); + bool Upload(); + + private: + bool CheckRequiredParametersArePresent(); + + LibcurlWrapper* http_layer_; + string product_; + string version_; + string guid_; + string ptime_; + string ctime_; + string email_; + string comments_; + string minidump_pathname_; + + string crash_server_; + string proxy_host_; + string proxy_userpassword_; + + std::map parameters_; +}; +} diff --git a/google-breakpad/src/common/linux/google_crashdump_uploader_test.cc b/google-breakpad/src/common/linux/google_crashdump_uploader_test.cc new file mode 100644 index 0000000..957874a --- /dev/null +++ b/google-breakpad/src/common/linux/google_crashdump_uploader_test.cc @@ -0,0 +1,169 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Unit test for crash dump uploader. + +#include + +#include "common/linux/google_crashdump_uploader.h" +#include "common/linux/libcurl_wrapper.h" +#include "breakpad_googletest_includes.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +using ::testing::Return; +using ::testing::_; + +class MockLibcurlWrapper : public LibcurlWrapper { + public: + MOCK_METHOD0(Init, bool()); + MOCK_METHOD2(SetProxy, bool(const string& proxy_host, + const string& proxy_userpwd)); + MOCK_METHOD2(AddFile, bool(const string& upload_file_path, + const string& basename)); + MOCK_METHOD3(SendRequest, + bool(const string& url, + const std::map& parameters, + string* server_response)); +}; + +class GoogleCrashdumpUploaderTest : public ::testing::Test { +}; + +TEST_F(GoogleCrashdumpUploaderTest, InitFailsCausesUploadFailure) { + MockLibcurlWrapper m; + EXPECT_CALL(m, Init()).Times(1).WillOnce(Return(false)); + GoogleCrashdumpUploader *uploader = new GoogleCrashdumpUploader("foobar", + "1.0", + "AAA-BBB", + "", + "", + "test@test.com", + "none", + "/tmp/foo.dmp", + "http://foo.com", + "", + "", + &m); + ASSERT_FALSE(uploader->Upload()); +} + +TEST_F(GoogleCrashdumpUploaderTest, TestSendRequestHappensWithValidParameters) { + // Create a temp file + char tempfn[80] = "/tmp/googletest-upload-XXXXXX"; + int fd = mkstemp(tempfn); + ASSERT_NE(fd, -1); + close(fd); + + MockLibcurlWrapper m; + EXPECT_CALL(m, Init()).Times(1).WillOnce(Return(true)); + EXPECT_CALL(m, AddFile(tempfn, _)).WillOnce(Return(true)); + EXPECT_CALL(m, + SendRequest("http://foo.com",_,_)).Times(1).WillOnce(Return(true)); + GoogleCrashdumpUploader *uploader = new GoogleCrashdumpUploader("foobar", + "1.0", + "AAA-BBB", + "", + "", + "test@test.com", + "none", + tempfn, + "http://foo.com", + "", + "", + &m); + ASSERT_TRUE(uploader->Upload()); +} + + +TEST_F(GoogleCrashdumpUploaderTest, InvalidPathname) { + MockLibcurlWrapper m; + EXPECT_CALL(m, Init()).Times(1).WillOnce(Return(true)); + EXPECT_CALL(m, SendRequest(_,_,_)).Times(0); + GoogleCrashdumpUploader *uploader = new GoogleCrashdumpUploader("foobar", + "1.0", + "AAA-BBB", + "", + "", + "test@test.com", + "none", + "/tmp/foo.dmp", + "http://foo.com", + "", + "", + &m); + ASSERT_FALSE(uploader->Upload()); +} + +TEST_F(GoogleCrashdumpUploaderTest, TestRequiredParametersMustBePresent) { + // Test with empty product name. + GoogleCrashdumpUploader uploader("", + "1.0", + "AAA-BBB", + "", + "", + "test@test.com", + "none", + "/tmp/foo.dmp", + "http://foo.com", + "", + ""); + ASSERT_FALSE(uploader.Upload()); + + // Test with empty product version. + GoogleCrashdumpUploader uploader1("product", + "", + "AAA-BBB", + "", + "", + "", + "", + "/tmp/foo.dmp", + "", + "", + ""); + + ASSERT_FALSE(uploader1.Upload()); + + // Test with empty client GUID. + GoogleCrashdumpUploader uploader2("product", + "1.0", + "", + "", + "", + "", + "", + "/tmp/foo.dmp", + "", + "", + ""); + ASSERT_FALSE(uploader2.Upload()); +} +} diff --git a/google-breakpad/src/common/linux/guid_creator.cc b/google-breakpad/src/common/linux/guid_creator.cc new file mode 100644 index 0000000..bfb308e --- /dev/null +++ b/google-breakpad/src/common/linux/guid_creator.cc @@ -0,0 +1,104 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "common/linux/guid_creator.h" + +#include +#include +#include +#include +#include +#include + +// +// GUIDGenerator +// +// This class is used to generate random GUID. +// Currently use random number to generate a GUID since Linux has +// no native GUID generator. This should be OK since we don't expect +// crash to happen very offen. +// +class GUIDGenerator { + public: + static uint32_t BytesToUInt32(const uint8_t bytes[]) { + return ((uint32_t) bytes[0] + | ((uint32_t) bytes[1] << 8) + | ((uint32_t) bytes[2] << 16) + | ((uint32_t) bytes[3] << 24)); + } + + static void UInt32ToBytes(uint8_t bytes[], uint32_t n) { + bytes[0] = n & 0xff; + bytes[1] = (n >> 8) & 0xff; + bytes[2] = (n >> 16) & 0xff; + bytes[3] = (n >> 24) & 0xff; + } + + static bool CreateGUID(GUID *guid) { + InitOnce(); + guid->data1 = random(); + guid->data2 = (uint16_t)(random()); + guid->data3 = (uint16_t)(random()); + UInt32ToBytes(&guid->data4[0], random()); + UInt32ToBytes(&guid->data4[4], random()); + return true; + } + + private: + static void InitOnce() { + pthread_once(&once_control, &InitOnceImpl); + } + + static void InitOnceImpl() { + srandom(time(NULL)); + } + + static pthread_once_t once_control; +}; + +pthread_once_t GUIDGenerator::once_control = PTHREAD_ONCE_INIT; + +bool CreateGUID(GUID *guid) { + return GUIDGenerator::CreateGUID(guid); +} + +// Parse guid to string. +bool GUIDToString(const GUID *guid, char *buf, int buf_len) { + // Should allow more space the the max length of GUID. + assert(buf_len > kGUIDStringLength); + int num = snprintf(buf, buf_len, kGUIDFormatString, + guid->data1, guid->data2, guid->data3, + GUIDGenerator::BytesToUInt32(&(guid->data4[0])), + GUIDGenerator::BytesToUInt32(&(guid->data4[4]))); + if (num != kGUIDStringLength) + return false; + + buf[num] = '\0'; + return true; +} diff --git a/google-breakpad/src/common/linux/guid_creator.h b/google-breakpad/src/common/linux/guid_creator.h new file mode 100644 index 0000000..c86d856 --- /dev/null +++ b/google-breakpad/src/common/linux/guid_creator.h @@ -0,0 +1,48 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_LINUX_GUID_CREATOR_H__ +#define COMMON_LINUX_GUID_CREATOR_H__ + +#include "google_breakpad/common/minidump_format.h" + +typedef MDGUID GUID; + +// Format string for parsing GUID. +#define kGUIDFormatString "%08x-%04x-%04x-%08x-%08x" +// Length of GUID string. Don't count the ending '\0'. +#define kGUIDStringLength 36 + +// Create a guid. +bool CreateGUID(GUID *guid); + +// Get the string from guid. +bool GUIDToString(const GUID *guid, char *buf, int buf_len); + +#endif diff --git a/google-breakpad/src/common/linux/http_upload.cc b/google-breakpad/src/common/linux/http_upload.cc new file mode 100644 index 0000000..fead76e --- /dev/null +++ b/google-breakpad/src/common/linux/http_upload.cc @@ -0,0 +1,206 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "common/linux/http_upload.h" + +#include +#include +#include "third_party/curl/curl.h" + +namespace { + +// Callback to get the response data from server. +static size_t WriteCallback(void *ptr, size_t size, + size_t nmemb, void *userp) { + if (!userp) + return 0; + + string *response = reinterpret_cast(userp); + size_t real_size = size * nmemb; + response->append(reinterpret_cast(ptr), real_size); + return real_size; +} + +} // namespace + +namespace google_breakpad { + +static const char kUserAgent[] = "Breakpad/1.0 (Linux)"; + +// static +bool HTTPUpload::SendRequest(const string &url, + const map ¶meters, + const string &upload_file, + const string &file_part_name, + const string &proxy, + const string &proxy_user_pwd, + const string &ca_certificate_file, + string *response_body, + long *response_code, + string *error_description) { + if (response_code != NULL) + *response_code = 0; + + if (!CheckParameters(parameters)) + return false; + + void *curl_lib = dlopen("libcurl.so", RTLD_NOW); + if (!curl_lib) { + if (error_description != NULL) + *error_description = dlerror(); + curl_lib = dlopen("libcurl.so.4", RTLD_NOW); + } + if (!curl_lib) { + // Debian gives libcurl a different name when it is built against GnuTLS + // instead of OpenSSL. + curl_lib = dlopen("libcurl-gnutls.so.4", RTLD_NOW); + } + if (!curl_lib) { + curl_lib = dlopen("libcurl.so.3", RTLD_NOW); + } + if (!curl_lib) { + return false; + } + + CURL* (*curl_easy_init)(void); + *(void**) (&curl_easy_init) = dlsym(curl_lib, "curl_easy_init"); + CURL *curl = (*curl_easy_init)(); + if (error_description != NULL) + *error_description = "No Error"; + + if (!curl) { + dlclose(curl_lib); + return false; + } + + CURLcode err_code = CURLE_OK; + CURLcode (*curl_easy_setopt)(CURL *, CURLoption, ...); + *(void**) (&curl_easy_setopt) = dlsym(curl_lib, "curl_easy_setopt"); + (*curl_easy_setopt)(curl, CURLOPT_URL, url.c_str()); + (*curl_easy_setopt)(curl, CURLOPT_USERAGENT, kUserAgent); + // Set proxy information if necessary. + if (!proxy.empty()) + (*curl_easy_setopt)(curl, CURLOPT_PROXY, proxy.c_str()); + if (!proxy_user_pwd.empty()) + (*curl_easy_setopt)(curl, CURLOPT_PROXYUSERPWD, proxy_user_pwd.c_str()); + + if (!ca_certificate_file.empty()) + (*curl_easy_setopt)(curl, CURLOPT_CAINFO, ca_certificate_file.c_str()); + + struct curl_httppost *formpost = NULL; + struct curl_httppost *lastptr = NULL; + // Add form data. + CURLFORMcode (*curl_formadd)(struct curl_httppost **, struct curl_httppost **, ...); + *(void**) (&curl_formadd) = dlsym(curl_lib, "curl_formadd"); + map::const_iterator iter = parameters.begin(); + for (; iter != parameters.end(); ++iter) + (*curl_formadd)(&formpost, &lastptr, + CURLFORM_COPYNAME, iter->first.c_str(), + CURLFORM_COPYCONTENTS, iter->second.c_str(), + CURLFORM_END); + + // Add form file. + (*curl_formadd)(&formpost, &lastptr, + CURLFORM_COPYNAME, file_part_name.c_str(), + CURLFORM_FILE, upload_file.c_str(), + CURLFORM_END); + + (*curl_easy_setopt)(curl, CURLOPT_HTTPPOST, formpost); + + // Disable 100-continue header. + struct curl_slist *headerlist = NULL; + char buf[] = "Expect:"; + struct curl_slist* (*curl_slist_append)(struct curl_slist *, const char *); + *(void**) (&curl_slist_append) = dlsym(curl_lib, "curl_slist_append"); + headerlist = (*curl_slist_append)(headerlist, buf); + (*curl_easy_setopt)(curl, CURLOPT_HTTPHEADER, headerlist); + + if (response_body != NULL) { + (*curl_easy_setopt)(curl, CURLOPT_WRITEFUNCTION, WriteCallback); + (*curl_easy_setopt)(curl, CURLOPT_WRITEDATA, + reinterpret_cast(response_body)); + } + + // Fail if 400+ is returned from the web server. + (*curl_easy_setopt)(curl, CURLOPT_FAILONERROR, 1); + + CURLcode (*curl_easy_perform)(CURL *); + *(void**) (&curl_easy_perform) = dlsym(curl_lib, "curl_easy_perform"); + err_code = (*curl_easy_perform)(curl); + if (response_code != NULL) { + CURLcode (*curl_easy_getinfo)(CURL *, CURLINFO, ...); + *(void**) (&curl_easy_getinfo) = dlsym(curl_lib, "curl_easy_getinfo"); + (*curl_easy_getinfo)(curl, CURLINFO_RESPONSE_CODE, response_code); + } + const char* (*curl_easy_strerror)(CURLcode); + *(void**) (&curl_easy_strerror) = dlsym(curl_lib, "curl_easy_strerror"); +#ifndef NDEBUG + if (err_code != CURLE_OK) + fprintf(stderr, "Failed to send http request to %s, error: %s\n", + url.c_str(), + (*curl_easy_strerror)(err_code)); +#endif + if (error_description != NULL) + *error_description = (*curl_easy_strerror)(err_code); + + void (*curl_easy_cleanup)(CURL *); + *(void**) (&curl_easy_cleanup) = dlsym(curl_lib, "curl_easy_cleanup"); + (*curl_easy_cleanup)(curl); + if (formpost != NULL) { + void (*curl_formfree)(struct curl_httppost *); + *(void**) (&curl_formfree) = dlsym(curl_lib, "curl_formfree"); + (*curl_formfree)(formpost); + } + if (headerlist != NULL) { + void (*curl_slist_free_all)(struct curl_slist *); + *(void**) (&curl_slist_free_all) = dlsym(curl_lib, "curl_slist_free_all"); + (*curl_slist_free_all)(headerlist); + } + dlclose(curl_lib); + return err_code == CURLE_OK; +} + +// static +bool HTTPUpload::CheckParameters(const map ¶meters) { + for (map::const_iterator pos = parameters.begin(); + pos != parameters.end(); ++pos) { + const string &str = pos->first; + if (str.size() == 0) + return false; // disallow empty parameter names + for (unsigned int i = 0; i < str.size(); ++i) { + int c = str[i]; + if (c < 32 || c == '"' || c > 127) { + return false; + } + } + } + return true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/http_upload.h b/google-breakpad/src/common/linux/http_upload.h new file mode 100644 index 0000000..6dd36ea --- /dev/null +++ b/google-breakpad/src/common/linux/http_upload.h @@ -0,0 +1,88 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// HTTPUpload provides a "nice" API to send a multipart HTTP(S) POST +// request using libcurl. It currently supports requests that contain +// a set of string parameters (key/value pairs), and a file to upload. + +#ifndef COMMON_LINUX_HTTP_UPLOAD_H__ +#define COMMON_LINUX_HTTP_UPLOAD_H__ + +#include +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +using std::map; + +class HTTPUpload { + public: + // Sends the given set of parameters, along with the contents of + // upload_file, as a multipart POST request to the given URL. + // file_part_name contains the name of the file part of the request + // (i.e. it corresponds to the name= attribute on an . + // Parameter names must contain only printable ASCII characters, + // and may not contain a quote (") character. + // Only HTTP(S) URLs are currently supported. Returns true on success. + // If the request is successful and response_body is non-NULL, + // the response body will be returned in response_body. + // If response_code is non-NULL, it will be set to the HTTP response code + // received (or 0 if the request failed before getting an HTTP response). + // If the send fails, a description of the error will be + // returned in error_description. + static bool SendRequest(const string &url, + const map ¶meters, + const string &upload_file, + const string &file_part_name, + const string &proxy, + const string &proxy_user_pwd, + const string &ca_certificate_file, + string *response_body, + long *response_code, + string *error_description); + + private: + // Checks that the given list of parameters has only printable + // ASCII characters in the parameter name, and does not contain + // any quote (") characters. Returns true if so. + static bool CheckParameters(const map ¶meters); + + // No instances of this class should be created. + // Disallow all constructors, destructors, and operator=. + HTTPUpload(); + explicit HTTPUpload(const HTTPUpload &); + void operator=(const HTTPUpload &); + ~HTTPUpload(); +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_HTTP_UPLOAD_H__ diff --git a/google-breakpad/src/common/linux/ignore_ret.h b/google-breakpad/src/common/linux/ignore_ret.h new file mode 100644 index 0000000..f60384b --- /dev/null +++ b/google-breakpad/src/common/linux/ignore_ret.h @@ -0,0 +1,40 @@ +// Copyright (c) 2012 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_LINUX_IGNORE_RET_H_ +#define COMMON_LINUX_IGNORE_RET_H_ + +// Some compilers are prone to warn about unused return values. In cases where +// either a) the call cannot fail, or b) there is nothing that can be done when +// the call fails, IGNORE_RET() can be used to mark the return code as ignored. +// This avoids spurious compiler warnings. + +#define IGNORE_RET(x) do { if (x); } while (0) + +#endif // COMMON_LINUX_IGNORE_RET_H_ diff --git a/google-breakpad/src/common/linux/libcurl_wrapper.cc b/google-breakpad/src/common/linux/libcurl_wrapper.cc new file mode 100644 index 0000000..08307f0 --- /dev/null +++ b/google-breakpad/src/common/linux/libcurl_wrapper.cc @@ -0,0 +1,222 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include + +#include +#include + +#include "common/linux/libcurl_wrapper.h" +#include "common/using_std_string.h" + +namespace google_breakpad { +LibcurlWrapper::LibcurlWrapper() + : init_ok_(false), + formpost_(NULL), + lastptr_(NULL), + headerlist_(NULL) { + curl_lib_ = dlopen("libcurl.so", RTLD_NOW); + if (!curl_lib_) { + curl_lib_ = dlopen("libcurl.so.4", RTLD_NOW); + } + if (!curl_lib_) { + curl_lib_ = dlopen("libcurl.so.3", RTLD_NOW); + } + if (!curl_lib_) { + std::cout << "Could not find libcurl via dlopen"; + return; + } + std::cout << "LibcurlWrapper init succeeded"; + init_ok_ = true; + return; +} + +bool LibcurlWrapper::SetProxy(const string& proxy_host, + const string& proxy_userpwd) { + if (!init_ok_) { + return false; + } + // Set proxy information if necessary. + if (!proxy_host.empty()) { + (*easy_setopt_)(curl_, CURLOPT_PROXY, proxy_host.c_str()); + } else { + std::cout << "SetProxy called with empty proxy host."; + return false; + } + if (!proxy_userpwd.empty()) { + (*easy_setopt_)(curl_, CURLOPT_PROXYUSERPWD, proxy_userpwd.c_str()); + } else { + std::cout << "SetProxy called with empty proxy username/password."; + return false; + } + std::cout << "Set proxy host to " << proxy_host; + return true; +} + +bool LibcurlWrapper::AddFile(const string& upload_file_path, + const string& basename) { + if (!init_ok_) { + return false; + } + std::cout << "Adding " << upload_file_path << " to form upload."; + // Add form file. + (*formadd_)(&formpost_, &lastptr_, + CURLFORM_COPYNAME, basename.c_str(), + CURLFORM_FILE, upload_file_path.c_str(), + CURLFORM_END); + + return true; +} + +// Callback to get the response data from server. +static size_t WriteCallback(void *ptr, size_t size, + size_t nmemb, void *userp) { + if (!userp) + return 0; + + string *response = reinterpret_cast(userp); + size_t real_size = size * nmemb; + response->append(reinterpret_cast(ptr), real_size); + return real_size; +} + +bool LibcurlWrapper::SendRequest(const string& url, + const std::map& parameters, + string* server_response) { + (*easy_setopt_)(curl_, CURLOPT_URL, url.c_str()); + std::map::const_iterator iter = parameters.begin(); + for (; iter != parameters.end(); ++iter) + (*formadd_)(&formpost_, &lastptr_, + CURLFORM_COPYNAME, iter->first.c_str(), + CURLFORM_COPYCONTENTS, iter->second.c_str(), + CURLFORM_END); + + (*easy_setopt_)(curl_, CURLOPT_HTTPPOST, formpost_); + if (server_response != NULL) { + (*easy_setopt_)(curl_, CURLOPT_WRITEFUNCTION, WriteCallback); + (*easy_setopt_)(curl_, CURLOPT_WRITEDATA, + reinterpret_cast(server_response)); + } + + CURLcode err_code = CURLE_OK; + err_code = (*easy_perform_)(curl_); + easy_strerror_ = reinterpret_cast + (dlsym(curl_lib_, "curl_easy_strerror")); + +#ifndef NDEBUG + if (err_code != CURLE_OK) + fprintf(stderr, "Failed to send http request to %s, error: %s\n", + url.c_str(), + (*easy_strerror_)(err_code)); +#endif + if (headerlist_ != NULL) { + (*slist_free_all_)(headerlist_); + } + + (*easy_cleanup_)(curl_); + if (formpost_ != NULL) { + (*formfree_)(formpost_); + } + + return err_code == CURLE_OK; +} + +bool LibcurlWrapper::Init() { + if (!init_ok_) { + std::cout << "Init_OK was not true in LibcurlWrapper::Init(), check earlier log messages"; + return false; + } + + if (!SetFunctionPointers()) { + std::cout << "Could not find function pointers"; + init_ok_ = false; + return false; + } + + curl_ = (*easy_init_)(); + + last_curl_error_ = "No Error"; + + if (!curl_) { + dlclose(curl_lib_); + std::cout << "Curl initialization failed"; + return false; + } + + // Disable 100-continue header. + char buf[] = "Expect:"; + + headerlist_ = (*slist_append_)(headerlist_, buf); + (*easy_setopt_)(curl_, CURLOPT_HTTPHEADER, headerlist_); + return true; +} + +#define SET_AND_CHECK_FUNCTION_POINTER(var, function_name, type) \ + var = reinterpret_cast(dlsym(curl_lib_, function_name)); \ + if (!var) { \ + std::cout << "Could not find libcurl function " << function_name; \ + init_ok_ = false; \ + return false; \ + } + +bool LibcurlWrapper::SetFunctionPointers() { + + SET_AND_CHECK_FUNCTION_POINTER(easy_init_, + "curl_easy_init", + CURL*(*)()); + + SET_AND_CHECK_FUNCTION_POINTER(easy_setopt_, + "curl_easy_setopt", + CURLcode(*)(CURL*, CURLoption, ...)); + + SET_AND_CHECK_FUNCTION_POINTER(formadd_, "curl_formadd", + CURLFORMcode(*)(curl_httppost**, curl_httppost**, ...)); + + SET_AND_CHECK_FUNCTION_POINTER(slist_append_, "curl_slist_append", + curl_slist*(*)(curl_slist*, const char*)); + + SET_AND_CHECK_FUNCTION_POINTER(easy_perform_, + "curl_easy_perform", + CURLcode(*)(CURL*)); + + SET_AND_CHECK_FUNCTION_POINTER(easy_cleanup_, + "curl_easy_cleanup", + void(*)(CURL*)); + + SET_AND_CHECK_FUNCTION_POINTER(slist_free_all_, + "curl_slist_free_all", + void(*)(curl_slist*)); + + SET_AND_CHECK_FUNCTION_POINTER(formfree_, + "curl_formfree", + void(*)(curl_httppost*)); + return true; +} + +} diff --git a/google-breakpad/src/common/linux/libcurl_wrapper.h b/google-breakpad/src/common/linux/libcurl_wrapper.h new file mode 100644 index 0000000..3b72b5e --- /dev/null +++ b/google-breakpad/src/common/linux/libcurl_wrapper.h @@ -0,0 +1,84 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// A wrapper for libcurl to do HTTP Uploads, to support easy mocking +// and unit testing of the HTTPUpload class. + +#include +#include + +#include "common/using_std_string.h" +#include "third_party/curl/curl.h" + +namespace google_breakpad { +class LibcurlWrapper { + public: + LibcurlWrapper(); + virtual bool Init(); + virtual bool SetProxy(const string& proxy_host, + const string& proxy_userpwd); + virtual bool AddFile(const string& upload_file_path, + const string& basename); + virtual bool SendRequest(const string& url, + const std::map& parameters, + string* server_response); + private: + // This function initializes class state corresponding to function + // pointers into the CURL library. + bool SetFunctionPointers(); + + bool init_ok_; // Whether init succeeded + void* curl_lib_; // Pointer to result of dlopen() on + // curl library + string last_curl_error_; // The text of the last error when + // dealing + // with CURL. + + CURL *curl_; // Pointer for handle for CURL calls. + + CURL* (*easy_init_)(void); + + // Stateful pointers for calling into curl_formadd() + struct curl_httppost *formpost_; + struct curl_httppost *lastptr_; + struct curl_slist *headerlist_; + + // Function pointers into CURL library + CURLcode (*easy_setopt_)(CURL *, CURLoption, ...); + CURLFORMcode (*formadd_)(struct curl_httppost **, + struct curl_httppost **, ...); + struct curl_slist* (*slist_append_)(struct curl_slist *, const char *); + void (*slist_free_all_)(struct curl_slist *); + CURLcode (*easy_perform_)(CURL *); + const char* (*easy_strerror_)(CURLcode); + void (*easy_cleanup_)(CURL *); + void (*formfree_)(struct curl_httppost *); + +}; +} diff --git a/google-breakpad/src/common/linux/linux_libc_support.cc b/google-breakpad/src/common/linux/linux_libc_support.cc new file mode 100644 index 0000000..08b0325 --- /dev/null +++ b/google-breakpad/src/common/linux/linux_libc_support.cc @@ -0,0 +1,237 @@ +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// This source file provides replacements for libc functions that we need. If +// we call the libc functions directly we risk crashing in the dynamic linker +// as it tries to resolve uncached PLT entries. + +#include "common/linux/linux_libc_support.h" + +#include + +extern "C" { + +size_t my_strlen(const char* s) { + size_t len = 0; + while (*s++) len++; + return len; +} + +int my_strcmp(const char* a, const char* b) { + for (;;) { + if (*a < *b) + return -1; + else if (*a > *b) + return 1; + else if (*a == 0) + return 0; + a++; + b++; + } +} + +int my_strncmp(const char* a, const char* b, size_t len) { + for (size_t i = 0; i < len; ++i) { + if (*a < *b) + return -1; + else if (*a > *b) + return 1; + else if (*a == 0) + return 0; + a++; + b++; + } + + return 0; +} + +// Parse a non-negative integer. +// result: (output) the resulting non-negative integer +// s: a NUL terminated string +// Return true iff successful. +bool my_strtoui(int* result, const char* s) { + if (*s == 0) + return false; + int r = 0; + for (;; s++) { + if (*s == 0) + break; + const int old_r = r; + r *= 10; + if (*s < '0' || *s > '9') + return false; + r += *s - '0'; + if (r < old_r) + return false; + } + + *result = r; + return true; +} + +// Return the length of the given unsigned integer when expressed in base 10. +unsigned my_uint_len(uintmax_t i) { + if (!i) + return 1; + + int len = 0; + while (i) { + len++; + i /= 10; + } + + return len; +} + +// Convert an unsigned integer to a string +// output: (output) the resulting string is written here. This buffer must be +// large enough to hold the resulting string. Call |my_uint_len| to get the +// required length. +// i: the unsigned integer to serialise. +// i_len: the length of the integer in base 10 (see |my_uint_len|). +void my_uitos(char* output, uintmax_t i, unsigned i_len) { + for (unsigned index = i_len; index; --index, i /= 10) + output[index - 1] = '0' + (i % 10); +} + +const char* my_strchr(const char* haystack, char needle) { + while (*haystack && *haystack != needle) + haystack++; + if (*haystack == needle) + return haystack; + return (const char*) 0; +} + +const char* my_strrchr(const char* haystack, char needle) { + const char* ret = NULL; + while (*haystack) { + if (*haystack == needle) + ret = haystack; + haystack++; + } + return ret; +} + +void* my_memchr(const void* src, int needle, size_t src_len) { + const unsigned char* p = (const unsigned char*)src; + const unsigned char* p_end = p + src_len; + for (; p < p_end; ++p) { + if (*p == needle) + return (void*)p; + } + return NULL; +} + +// Read a hex value +// result: (output) the resulting value +// s: a string +// Returns a pointer to the first invalid charactor. +const char* my_read_hex_ptr(uintptr_t* result, const char* s) { + uintptr_t r = 0; + + for (;; ++s) { + if (*s >= '0' && *s <= '9') { + r <<= 4; + r += *s - '0'; + } else if (*s >= 'a' && *s <= 'f') { + r <<= 4; + r += (*s - 'a') + 10; + } else if (*s >= 'A' && *s <= 'F') { + r <<= 4; + r += (*s - 'A') + 10; + } else { + break; + } + } + + *result = r; + return s; +} + +const char* my_read_decimal_ptr(uintptr_t* result, const char* s) { + uintptr_t r = 0; + + for (;; ++s) { + if (*s >= '0' && *s <= '9') { + r *= 10; + r += *s - '0'; + } else { + break; + } + } + *result = r; + return s; +} + +void my_memset(void* ip, char c, size_t len) { + char* p = (char *) ip; + while (len--) + *p++ = c; +} + +size_t my_strlcpy(char* s1, const char* s2, size_t len) { + size_t pos1 = 0; + size_t pos2 = 0; + + while (s2[pos2] != '\0') { + if (pos1 + 1 < len) { + s1[pos1] = s2[pos2]; + pos1++; + } + pos2++; + } + if (len > 0) + s1[pos1] = '\0'; + + return pos2; +} + +size_t my_strlcat(char* s1, const char* s2, size_t len) { + size_t pos1 = 0; + + while (pos1 < len && s1[pos1] != '\0') + pos1++; + + if (pos1 == len) + return pos1; + + return pos1 + my_strlcpy(s1 + pos1, s2, len - pos1); +} + +int my_isspace(int ch) { + // Matches the C locale. + const char spaces[] = " \t\f\n\r\t\v"; + for (size_t i = 0; i < sizeof(spaces); i++) { + if (ch == spaces[i]) + return 1; + } + return 0; +} + +} // extern "C" diff --git a/google-breakpad/src/common/linux/linux_libc_support.h b/google-breakpad/src/common/linux/linux_libc_support.h new file mode 100644 index 0000000..ec5a8d6 --- /dev/null +++ b/google-breakpad/src/common/linux/linux_libc_support.h @@ -0,0 +1,96 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// This header provides replacements for libc functions that we need. We if +// call the libc functions directly we risk crashing in the dynamic linker as +// it tries to resolve uncached PLT entries. + +#ifndef CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_ +#define CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_ + +#include +#include +#include + +extern "C" { + +extern size_t my_strlen(const char* s); + +extern int my_strcmp(const char* a, const char* b); + +extern int my_strncmp(const char* a, const char* b, size_t len); + +// Parse a non-negative integer. +// result: (output) the resulting non-negative integer +// s: a NUL terminated string +// Return true iff successful. +extern bool my_strtoui(int* result, const char* s); + +// Return the length of the given unsigned integer when expressed in base 10. +extern unsigned my_uint_len(uintmax_t i); + +// Convert an unsigned integer to a string +// output: (output) the resulting string is written here. This buffer must be +// large enough to hold the resulting string. Call |my_uint_len| to get the +// required length. +// i: the unsigned integer to serialise. +// i_len: the length of the integer in base 10 (see |my_uint_len|). +extern void my_uitos(char* output, uintmax_t i, unsigned i_len); + +extern const char* my_strchr(const char* haystack, char needle); + +extern const char* my_strrchr(const char* haystack, char needle); + +// Read a hex value +// result: (output) the resulting value +// s: a string +// Returns a pointer to the first invalid charactor. +extern const char* my_read_hex_ptr(uintptr_t* result, const char* s); + +extern const char* my_read_decimal_ptr(uintptr_t* result, const char* s); + +extern void my_memset(void* ip, char c, size_t len); + +extern void* my_memchr(const void* src, int c, size_t len); + +// The following are considered safe to use in a compromised environment. +// Besides, this gives the compiler an opportunity to optimize their calls. +#define my_memcpy memcpy +#define my_memmove memmove +#define my_memcmp memcmp + +extern size_t my_strlcpy(char* s1, const char* s2, size_t len); + +extern size_t my_strlcat(char* s1, const char* s2, size_t len); + +extern int my_isspace(int ch); + +} // extern "C" + +#endif // CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_ diff --git a/google-breakpad/src/common/linux/linux_libc_support_unittest.cc b/google-breakpad/src/common/linux/linux_libc_support_unittest.cc new file mode 100644 index 0000000..adadfed --- /dev/null +++ b/google-breakpad/src/common/linux/linux_libc_support_unittest.cc @@ -0,0 +1,213 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "breakpad_googletest_includes.h" +#include "common/linux/linux_libc_support.h" + +namespace { +typedef testing::Test LinuxLibcSupportTest; +} + +TEST(LinuxLibcSupportTest, strlen) { + static const char* test_data[] = { "", "a", "aa", "aaa", "aabc", NULL }; + for (unsigned i = 0; ; ++i) { + if (!test_data[i]) + break; + ASSERT_EQ(strlen(test_data[i]), my_strlen(test_data[i])); + } +} + +TEST(LinuxLibcSupportTest, strcmp) { + static const char* test_data[] = { + "", "", + "a", "", + "", "a", + "a", "b", + "a", "a", + "ab", "aa", + "abc", "ab", + "abc", "abc", + NULL, + }; + + for (unsigned i = 0; ; ++i) { + if (!test_data[i*2]) + break; + int libc_result = strcmp(test_data[i*2], test_data[i*2 + 1]); + if (libc_result > 1) + libc_result = 1; + else if (libc_result < -1) + libc_result = -1; + ASSERT_EQ(my_strcmp(test_data[i*2], test_data[i*2 + 1]), libc_result); + } +} + +TEST(LinuxLibcSupportTest, strtoui) { + int result; + + ASSERT_FALSE(my_strtoui(&result, "")); + ASSERT_FALSE(my_strtoui(&result, "-1")); + ASSERT_FALSE(my_strtoui(&result, "-")); + ASSERT_FALSE(my_strtoui(&result, "a")); + ASSERT_FALSE(my_strtoui(&result, "23472893472938472987987398472398")); + + ASSERT_TRUE(my_strtoui(&result, "0")); + ASSERT_EQ(result, 0); + ASSERT_TRUE(my_strtoui(&result, "1")); + ASSERT_EQ(result, 1); + ASSERT_TRUE(my_strtoui(&result, "12")); + ASSERT_EQ(result, 12); + ASSERT_TRUE(my_strtoui(&result, "123")); + ASSERT_EQ(result, 123); + ASSERT_TRUE(my_strtoui(&result, "0123")); + ASSERT_EQ(result, 123); +} + +TEST(LinuxLibcSupportTest, uint_len) { + ASSERT_EQ(my_uint_len(0), 1U); + ASSERT_EQ(my_uint_len(2), 1U); + ASSERT_EQ(my_uint_len(5), 1U); + ASSERT_EQ(my_uint_len(9), 1U); + ASSERT_EQ(my_uint_len(10), 2U); + ASSERT_EQ(my_uint_len(99), 2U); + ASSERT_EQ(my_uint_len(100), 3U); + ASSERT_EQ(my_uint_len(101), 3U); + ASSERT_EQ(my_uint_len(1000), 4U); + // 0xFFFFFFFFFFFFFFFF + ASSERT_EQ(my_uint_len(18446744073709551615LLU), 20U); +} + +TEST(LinuxLibcSupportTest, uitos) { + char buf[32]; + + my_uitos(buf, 0, 1); + ASSERT_EQ(0, memcmp(buf, "0", 1)); + + my_uitos(buf, 1, 1); + ASSERT_EQ(0, memcmp(buf, "1", 1)); + + my_uitos(buf, 10, 2); + ASSERT_EQ(0, memcmp(buf, "10", 2)); + + my_uitos(buf, 63, 2); + ASSERT_EQ(0, memcmp(buf, "63", 2)); + + my_uitos(buf, 101, 3); + ASSERT_EQ(0, memcmp(buf, "101", 2)); + + // 0xFFFFFFFFFFFFFFFF + my_uitos(buf, 18446744073709551615LLU, 20); + ASSERT_EQ(0, memcmp(buf, "18446744073709551615", 20)); +} + +TEST(LinuxLibcSupportTest, strchr) { + ASSERT_EQ(NULL, my_strchr("abc", 'd')); + ASSERT_EQ(NULL, my_strchr("", 'd')); + ASSERT_EQ(NULL, my_strchr("efghi", 'd')); + + ASSERT_TRUE(my_strchr("a", 'a')); + ASSERT_TRUE(my_strchr("abc", 'a')); + ASSERT_TRUE(my_strchr("bcda", 'a')); + ASSERT_TRUE(my_strchr("sdfasdf", 'a')); + + static const char abc3[] = "abcabcabc"; + ASSERT_EQ(abc3, my_strchr(abc3, 'a')); +} + +TEST(LinuxLibcSupportTest, strrchr) { + ASSERT_EQ(NULL, my_strrchr("abc", 'd')); + ASSERT_EQ(NULL, my_strrchr("", 'd')); + ASSERT_EQ(NULL, my_strrchr("efghi", 'd')); + + ASSERT_TRUE(my_strrchr("a", 'a')); + ASSERT_TRUE(my_strrchr("abc", 'a')); + ASSERT_TRUE(my_strrchr("bcda", 'a')); + ASSERT_TRUE(my_strrchr("sdfasdf", 'a')); + + static const char abc3[] = "abcabcabc"; + ASSERT_EQ(abc3 + 6, my_strrchr(abc3, 'a')); +} + +TEST(LinuxLibcSupportTest, memchr) { + ASSERT_EQ(NULL, my_memchr("abc", 'd', 3)); + ASSERT_EQ(NULL, my_memchr("abcd", 'd', 3)); + ASSERT_EQ(NULL, my_memchr("a", 'a', 0)); + + static const char abc3[] = "abcabcabc"; + ASSERT_EQ(abc3, my_memchr(abc3, 'a', 3)); + ASSERT_EQ(abc3, my_memchr(abc3, 'a', 9)); + ASSERT_EQ(abc3+1, my_memchr(abc3, 'b', 9)); + ASSERT_EQ(abc3+2, my_memchr(abc3, 'c', 9)); +} + +TEST(LinuxLibcSupportTest, read_hex_ptr) { + uintptr_t result; + const char* last; + + last = my_read_hex_ptr(&result, ""); + ASSERT_EQ(result, 0U); + ASSERT_EQ(*last, 0); + + last = my_read_hex_ptr(&result, "0"); + ASSERT_EQ(result, 0U); + ASSERT_EQ(*last, 0); + + last = my_read_hex_ptr(&result, "0123"); + ASSERT_EQ(result, 0x123U); + ASSERT_EQ(*last, 0); + + last = my_read_hex_ptr(&result, "0123a"); + ASSERT_EQ(result, 0x123aU); + ASSERT_EQ(*last, 0); + + last = my_read_hex_ptr(&result, "0123a-"); + ASSERT_EQ(result, 0x123aU); + ASSERT_EQ(*last, '-'); +} + +TEST(LinuxLibcSupportTest, read_decimal_ptr) { + uintptr_t result; + const char* last; + + last = my_read_decimal_ptr(&result, "0"); + ASSERT_EQ(result, 0U); + ASSERT_EQ(*last, 0); + + last = my_read_decimal_ptr(&result, "0123"); + ASSERT_EQ(result, 123U); + ASSERT_EQ(*last, 0); + + last = my_read_decimal_ptr(&result, "1234"); + ASSERT_EQ(result, 1234U); + ASSERT_EQ(*last, 0); + + last = my_read_decimal_ptr(&result, "01234-"); + ASSERT_EQ(result, 1234U); + ASSERT_EQ(*last, '-'); +} diff --git a/google-breakpad/src/common/linux/memory_mapped_file.cc b/google-breakpad/src/common/linux/memory_mapped_file.cc new file mode 100644 index 0000000..853cce5 --- /dev/null +++ b/google-breakpad/src/common/linux/memory_mapped_file.cc @@ -0,0 +1,105 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// memory_mapped_file.cc: Implement google_breakpad::MemoryMappedFile. +// See memory_mapped_file.h for details. + +#include "common/linux/memory_mapped_file.h" + +#include +#include +#if defined(__ANDROID__) +#include +#endif +#include + +#include "common/memory_range.h" +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +MemoryMappedFile::MemoryMappedFile() {} + +MemoryMappedFile::MemoryMappedFile(const char* path) { + Map(path); +} + +MemoryMappedFile::~MemoryMappedFile() { + Unmap(); +} + +bool MemoryMappedFile::Map(const char* path) { + Unmap(); + + int fd = sys_open(path, O_RDONLY, 0); + if (fd == -1) { + return false; + } + +#if defined(__x86_64__) + struct kernel_stat st; + if (sys_fstat(fd, &st) == -1 || st.st_size < 0) { +#else + struct kernel_stat64 st; + if (sys_fstat64(fd, &st) == -1 || st.st_size < 0) { +#endif + sys_close(fd); + return false; + } + + // If the file size is zero, simply use an empty MemoryRange and return + // true. Don't bother to call mmap() even though mmap() can handle an + // empty file on some platforms. + if (st.st_size == 0) { + sys_close(fd); + return true; + } + +#if defined(__x86_64__) + void* data = sys_mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); +#else + void* data = sys_mmap2(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); +#endif + sys_close(fd); + if (data == MAP_FAILED) { + return false; + } + + content_.Set(data, st.st_size); + return true; +} + +void MemoryMappedFile::Unmap() { + if (content_.data()) { + sys_munmap(const_cast(content_.data()), content_.length()); + content_.Set(NULL, 0); + } +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/memory_mapped_file.h b/google-breakpad/src/common/linux/memory_mapped_file.h new file mode 100644 index 0000000..6abd5b0 --- /dev/null +++ b/google-breakpad/src/common/linux/memory_mapped_file.h @@ -0,0 +1,86 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// memory_mapped_file.h: Define the google_breakpad::MemoryMappedFile +// class, which maps a file into memory for read-only access. + +#ifndef COMMON_LINUX_MEMORY_MAPPED_FILE_H_ +#define COMMON_LINUX_MEMORY_MAPPED_FILE_H_ + +#include "common/basictypes.h" +#include "common/memory_range.h" + +namespace google_breakpad { + +// A utility class for mapping a file into memory for read-only access of +// the file content. Its implementation avoids calling into libc functions +// by directly making system calls for open, close, mmap, and munmap. +class MemoryMappedFile { + public: + MemoryMappedFile(); + + // Constructor that calls Map() to map a file at |path| into memory. + // If Map() fails, the object behaves as if it is default constructed. + explicit MemoryMappedFile(const char* path); + + ~MemoryMappedFile(); + + // Maps a file at |path| into memory, which can then be accessed via + // content() as a MemoryRange object or via data(), and returns true on + // success. Mapping an empty file will succeed but with data() and size() + // returning NULL and 0, respectively. An existing mapping is unmapped + // before a new mapping is created. + bool Map(const char* path); + + // Unmaps the memory for the mapped file. It's a no-op if no file is + // mapped. + void Unmap(); + + // Returns a MemoryRange object that covers the memory for the mapped + // file. The MemoryRange object is empty if no file is mapped. + const MemoryRange& content() const { return content_; } + + // Returns a pointer to the beginning of the memory for the mapped file. + // or NULL if no file is mapped or the mapped file is empty. + const void* data() const { return content_.data(); } + + // Returns the size in bytes of the mapped file, or zero if no file + // is mapped. + size_t size() const { return content_.length(); } + + private: + // Mapped file content as a MemoryRange object. + MemoryRange content_; + + DISALLOW_COPY_AND_ASSIGN(MemoryMappedFile); +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_MEMORY_MAPPED_FILE_H_ diff --git a/google-breakpad/src/common/linux/memory_mapped_file_unittest.cc b/google-breakpad/src/common/linux/memory_mapped_file_unittest.cc new file mode 100644 index 0000000..7c34e70 --- /dev/null +++ b/google-breakpad/src/common/linux/memory_mapped_file_unittest.cc @@ -0,0 +1,175 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// memory_mapped_file_unittest.cc: +// Unit tests for google_breakpad::MemoryMappedFile. + +#include +#include +#include + +#include + +#include "breakpad_googletest_includes.h" +#include "common/linux/eintr_wrapper.h" +#include "common/linux/memory_mapped_file.h" +#include "common/tests/auto_tempdir.h" +#include "common/tests/file_utils.h" +#include "common/using_std_string.h" + +using google_breakpad::AutoTempDir; +using google_breakpad::MemoryMappedFile; +using google_breakpad::WriteFile; + +namespace { + +class MemoryMappedFileTest : public testing::Test { + protected: + void ExpectNoMappedData(const MemoryMappedFile& mapped_file) { + EXPECT_TRUE(mapped_file.content().IsEmpty()); + EXPECT_TRUE(mapped_file.data() == NULL); + EXPECT_EQ(0U, mapped_file.size()); + } +}; + +} // namespace + +TEST_F(MemoryMappedFileTest, DefaultConstructor) { + MemoryMappedFile mapped_file; + ExpectNoMappedData(mapped_file); +} + +TEST_F(MemoryMappedFileTest, UnmapWithoutMap) { + MemoryMappedFile mapped_file; + mapped_file.Unmap(); +} + +TEST_F(MemoryMappedFileTest, MapNonexistentFile) { + { + MemoryMappedFile mapped_file("nonexistent-file"); + ExpectNoMappedData(mapped_file); + } + { + MemoryMappedFile mapped_file; + EXPECT_FALSE(mapped_file.Map("nonexistent-file")); + ExpectNoMappedData(mapped_file); + } +} + +TEST_F(MemoryMappedFileTest, MapEmptyFile) { + AutoTempDir temp_dir; + string test_file = temp_dir.path() + "/empty_file"; + ASSERT_TRUE(WriteFile(test_file.c_str(), NULL, 0)); + + { + MemoryMappedFile mapped_file(test_file.c_str()); + ExpectNoMappedData(mapped_file); + } + { + MemoryMappedFile mapped_file; + EXPECT_TRUE(mapped_file.Map(test_file.c_str())); + ExpectNoMappedData(mapped_file); + } +} + +TEST_F(MemoryMappedFileTest, MapNonEmptyFile) { + char data[256]; + size_t data_size = sizeof(data); + for (size_t i = 0; i < data_size; ++i) { + data[i] = i; + } + + AutoTempDir temp_dir; + string test_file = temp_dir.path() + "/test_file"; + ASSERT_TRUE(WriteFile(test_file.c_str(), data, data_size)); + + { + MemoryMappedFile mapped_file(test_file.c_str()); + EXPECT_FALSE(mapped_file.content().IsEmpty()); + EXPECT_TRUE(mapped_file.data() != NULL); + EXPECT_EQ(data_size, mapped_file.size()); + EXPECT_EQ(0, memcmp(data, mapped_file.data(), data_size)); + } + { + MemoryMappedFile mapped_file; + EXPECT_TRUE(mapped_file.Map(test_file.c_str())); + EXPECT_FALSE(mapped_file.content().IsEmpty()); + EXPECT_TRUE(mapped_file.data() != NULL); + EXPECT_EQ(data_size, mapped_file.size()); + EXPECT_EQ(0, memcmp(data, mapped_file.data(), data_size)); + } +} + +TEST_F(MemoryMappedFileTest, RemapAfterMap) { + char data1[256]; + size_t data1_size = sizeof(data1); + for (size_t i = 0; i < data1_size; ++i) { + data1[i] = i; + } + + char data2[50]; + size_t data2_size = sizeof(data2); + for (size_t i = 0; i < data2_size; ++i) { + data2[i] = 255 - i; + } + + AutoTempDir temp_dir; + string test_file1 = temp_dir.path() + "/test_file1"; + string test_file2 = temp_dir.path() + "/test_file2"; + ASSERT_TRUE(WriteFile(test_file1.c_str(), data1, data1_size)); + ASSERT_TRUE(WriteFile(test_file2.c_str(), data2, data2_size)); + + { + MemoryMappedFile mapped_file(test_file1.c_str()); + EXPECT_FALSE(mapped_file.content().IsEmpty()); + EXPECT_TRUE(mapped_file.data() != NULL); + EXPECT_EQ(data1_size, mapped_file.size()); + EXPECT_EQ(0, memcmp(data1, mapped_file.data(), data1_size)); + + mapped_file.Map(test_file2.c_str()); + EXPECT_FALSE(mapped_file.content().IsEmpty()); + EXPECT_TRUE(mapped_file.data() != NULL); + EXPECT_EQ(data2_size, mapped_file.size()); + EXPECT_EQ(0, memcmp(data2, mapped_file.data(), data2_size)); + } + { + MemoryMappedFile mapped_file; + EXPECT_TRUE(mapped_file.Map(test_file1.c_str())); + EXPECT_FALSE(mapped_file.content().IsEmpty()); + EXPECT_TRUE(mapped_file.data() != NULL); + EXPECT_EQ(data1_size, mapped_file.size()); + EXPECT_EQ(0, memcmp(data1, mapped_file.data(), data1_size)); + + mapped_file.Map(test_file2.c_str()); + EXPECT_FALSE(mapped_file.content().IsEmpty()); + EXPECT_TRUE(mapped_file.data() != NULL); + EXPECT_EQ(data2_size, mapped_file.size()); + EXPECT_EQ(0, memcmp(data2, mapped_file.data(), data2_size)); + } +} diff --git a/google-breakpad/src/common/linux/safe_readlink.cc b/google-breakpad/src/common/linux/safe_readlink.cc new file mode 100644 index 0000000..870c28a --- /dev/null +++ b/google-breakpad/src/common/linux/safe_readlink.cc @@ -0,0 +1,53 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// safe_readlink.cc: Implement google_breakpad::SafeReadLink. +// See safe_readlink.h for details. + +#include + +#include "third_party/lss/linux_syscall_support.h" + +namespace google_breakpad { + +bool SafeReadLink(const char* path, char* buffer, size_t buffer_size) { + // sys_readlink() does not add a NULL byte to |buffer|. In order to return + // a NULL-terminated string in |buffer|, |buffer_size| should be at least + // one byte longer than the expected path length. Also, sys_readlink() + // returns the actual path length on success, which does not count the + // NULL byte, so |result_size| should be less than |buffer_size|. + ssize_t result_size = sys_readlink(path, buffer, buffer_size); + if (result_size >= 0 && static_cast(result_size) < buffer_size) { + buffer[result_size] = '\0'; + return true; + } + return false; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/safe_readlink.h b/google-breakpad/src/common/linux/safe_readlink.h new file mode 100644 index 0000000..4ae131b --- /dev/null +++ b/google-breakpad/src/common/linux/safe_readlink.h @@ -0,0 +1,65 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// safe_readlink.h: Define the google_breakpad::SafeReadLink function, +// which wraps sys_readlink and gurantees the result is NULL-terminated. + +#ifndef COMMON_LINUX_SAFE_READLINK_H_ +#define COMMON_LINUX_SAFE_READLINK_H_ + +#include + +namespace google_breakpad { + +// This function wraps sys_readlink() and performs the same functionalty, +// but guarantees |buffer| is NULL-terminated if sys_readlink() returns +// no error. It takes the same arguments as sys_readlink(), but unlike +// sys_readlink(), it returns true on success. +// +// |buffer_size| specifies the size of |buffer| in bytes. As this function +// always NULL-terminates |buffer| on success, |buffer_size| should be +// at least one byte longer than the expected path length (e.g. PATH_MAX, +// which is typically defined as the maximum length of a path name +// including the NULL byte). +// +// The implementation of this function calls sys_readlink() instead of +// readlink(), it can thus be used in the context where calling to libc +// functions is discouraged. +bool SafeReadLink(const char* path, char* buffer, size_t buffer_size); + +// Same as the three-argument version of SafeReadLink() but deduces the +// size of |buffer| if it is a char array of known size. +template +bool SafeReadLink(const char* path, char (&buffer)[N]) { + return SafeReadLink(path, buffer, sizeof(buffer)); +} + +} // namespace google_breakpad + +#endif // COMMON_LINUX_SAFE_READLINK_H_ diff --git a/google-breakpad/src/common/linux/safe_readlink_unittest.cc b/google-breakpad/src/common/linux/safe_readlink_unittest.cc new file mode 100644 index 0000000..d346b2a --- /dev/null +++ b/google-breakpad/src/common/linux/safe_readlink_unittest.cc @@ -0,0 +1,89 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// safe_readlink_unittest.cc: Unit tests for google_breakpad::SafeReadLink. + +#include "breakpad_googletest_includes.h" +#include "common/linux/safe_readlink.h" + +using google_breakpad::SafeReadLink; + +TEST(SafeReadLinkTest, ZeroBufferSize) { + char buffer[1]; + EXPECT_FALSE(SafeReadLink("/proc/self/exe", buffer, 0)); +} + +TEST(SafeReadLinkTest, BufferSizeTooSmall) { + char buffer[1]; + EXPECT_FALSE(SafeReadLink("/proc/self/exe", buffer, 1)); +} + +TEST(SafeReadLinkTest, BoundaryBufferSize) { + char buffer[PATH_MAX]; + EXPECT_TRUE(SafeReadLink("/proc/self/exe", buffer, sizeof(buffer))); + size_t path_length = strlen(buffer); + EXPECT_LT(0U, path_length); + EXPECT_GT(sizeof(buffer), path_length); + + // Buffer size equals to the expected path length plus 1 for the NULL byte. + char buffer2[PATH_MAX]; + EXPECT_TRUE(SafeReadLink("/proc/self/exe", buffer2, path_length + 1)); + EXPECT_EQ(path_length, strlen(buffer2)); + EXPECT_EQ(0, strncmp(buffer, buffer2, PATH_MAX)); + + // Buffer size equals to the expected path length. + EXPECT_FALSE(SafeReadLink("/proc/self/exe", buffer, path_length)); +} + +TEST(SafeReadLinkTest, NonexistentPath) { + char buffer[PATH_MAX]; + EXPECT_FALSE(SafeReadLink("nonexistent_path", buffer, sizeof(buffer))); +} + +TEST(SafeReadLinkTest, NonSymbolicLinkPath) { + char actual_path[PATH_MAX]; + EXPECT_TRUE(SafeReadLink("/proc/self/exe", actual_path, sizeof(actual_path))); + + char buffer[PATH_MAX]; + EXPECT_FALSE(SafeReadLink(actual_path, buffer, sizeof(buffer))); +} + +TEST(SafeReadLinkTest, DeduceBufferSizeFromCharArray) { + char buffer[PATH_MAX]; + char* buffer_pointer = buffer; + EXPECT_TRUE(SafeReadLink("/proc/self/exe", buffer_pointer, sizeof(buffer))); + size_t path_length = strlen(buffer); + + // Use the template version of SafeReadLink to deduce the buffer size + // from the char array. + char buffer2[PATH_MAX]; + EXPECT_TRUE(SafeReadLink("/proc/self/exe", buffer2)); + EXPECT_EQ(path_length, strlen(buffer2)); + EXPECT_EQ(0, strncmp(buffer, buffer2, PATH_MAX)); +} diff --git a/google-breakpad/src/common/linux/synth_elf.cc b/google-breakpad/src/common/linux/synth_elf.cc new file mode 100644 index 0000000..b978550 --- /dev/null +++ b/google-breakpad/src/common/linux/synth_elf.cc @@ -0,0 +1,261 @@ +#include "common/linux/synth_elf.h" + +#include +#include +#include +#include + +#include "common/linux/elf_gnu_compat.h" +#include "common/using_std_string.h" + +namespace google_breakpad { +namespace synth_elf { + +ELF::ELF(uint16_t machine, + uint8_t file_class, + Endianness endianness) + : Section(endianness), + addr_size_(file_class == ELFCLASS64 ? 8 : 4), + program_count_(0), + program_header_table_(endianness), + section_count_(0), + section_header_table_(endianness), + section_header_strings_(endianness) { + // Could add support for more machine types here if needed. + assert(machine == EM_386 || + machine == EM_X86_64 || + machine == EM_ARM); + assert(file_class == ELFCLASS32 || file_class == ELFCLASS64); + + start() = 0; + // Add ELF header + // e_ident + // EI_MAG0...EI_MAG3 + D8(ELFMAG0); + D8(ELFMAG1); + D8(ELFMAG2); + D8(ELFMAG3); + // EI_CLASS + D8(file_class); + // EI_DATA + D8(endianness == kLittleEndian ? ELFDATA2LSB : ELFDATA2MSB); + // EI_VERSION + D8(EV_CURRENT); + // EI_OSABI + D8(ELFOSABI_SYSV); + // EI_ABIVERSION + D8(0); + // EI_PAD + Append(7, 0); + assert(Size() == EI_NIDENT); + + // e_type + D16(ET_EXEC); //TODO: allow passing ET_DYN? + // e_machine + D16(machine); + // e_version + D32(EV_CURRENT); + // e_entry + Append(endianness, addr_size_, 0); + // e_phoff + Append(endianness, addr_size_, program_header_label_); + // e_shoff + Append(endianness, addr_size_, section_header_label_); + // e_flags + D32(0); + // e_ehsize + D16(addr_size_ == 8 ? sizeof(Elf64_Ehdr) : sizeof(Elf32_Ehdr)); + // e_phentsize + D16(addr_size_ == 8 ? sizeof(Elf64_Phdr) : sizeof(Elf32_Phdr)); + // e_phnum + D16(program_count_label_); + // e_shentsize + D16(addr_size_ == 8 ? sizeof(Elf64_Shdr) : sizeof(Elf32_Shdr)); + // e_shnum + D16(section_count_label_); + // e_shstrndx + D16(section_header_string_index_); + + // Add an empty section for SHN_UNDEF. + Section shn_undef; + AddSection("", shn_undef, SHT_NULL); +} + +int ELF::AddSection(const string& name, const Section& section, + uint32_t type, uint32_t flags, uint64_t addr, + uint32_t link, uint64_t entsize, uint64_t offset) { + Label offset_label; + Label string_label(section_header_strings_.Add(name)); + size_t size = section.Size(); + + int index = section_count_; + ++section_count_; + + section_header_table_ + // sh_name + .D32(string_label) + // sh_type + .D32(type) + // sh_flags + .Append(endianness(), addr_size_, flags) + // sh_addr + .Append(endianness(), addr_size_, addr) + // sh_offset + .Append(endianness(), addr_size_, offset_label) + // sh_size + .Append(endianness(), addr_size_, size) + // sh_link + .D32(link) + // sh_info + .D32(0) + // sh_addralign + .Append(endianness(), addr_size_, 0) + // sh_entsize + .Append(endianness(), addr_size_, entsize); + + sections_.push_back(ElfSection(section, type, addr, offset, offset_label, + size)); + return index; +} + +void ELF::AppendSection(ElfSection §ion) { + // NULL and NOBITS sections have no content, so they + // don't need to be written to the file. + if (section.type_ == SHT_NULL) { + section.offset_label_ = 0; + } else if (section.type_ == SHT_NOBITS) { + section.offset_label_ = section.offset_; + } else { + Mark(§ion.offset_label_); + Append(section); + Align(4); + } +} + +void ELF::AddSegment(int start, int end, uint32_t type, uint32_t flags) { + assert(start > 0); + assert(size_t(start) < sections_.size()); + assert(end > 0); + assert(size_t(end) < sections_.size()); + ++program_count_; + + // p_type + program_header_table_.D32(type); + + if (addr_size_ == 8) { + // p_flags + program_header_table_.D32(flags); + } + + size_t filesz = 0; + size_t memsz = 0; + bool prev_was_nobits = false; + for (int i = start; i <= end; ++i) { + size_t size = sections_[i].size_; + if (sections_[i].type_ != SHT_NOBITS) { + assert(!prev_was_nobits); + // non SHT_NOBITS sections are 4-byte aligned (see AddSection) + size = (size + 3) & ~3; + filesz += size; + } else { + prev_was_nobits = true; + } + memsz += size; + } + + program_header_table_ + // p_offset + .Append(endianness(), addr_size_, sections_[start].offset_label_) + // p_vaddr + .Append(endianness(), addr_size_, sections_[start].addr_) + // p_paddr + .Append(endianness(), addr_size_, sections_[start].addr_) + // p_filesz + .Append(endianness(), addr_size_, filesz) + // p_memsz + .Append(endianness(), addr_size_, memsz); + + if (addr_size_ == 4) { + // p_flags + program_header_table_.D32(flags); + } + + // p_align + program_header_table_.Append(endianness(), addr_size_, 0); +} + +void ELF::Finish() { + // Add the section header string table at the end. + section_header_string_index_ = section_count_; + //printf(".shstrtab size: %ld\n", section_header_strings_.Size()); + AddSection(".shstrtab", section_header_strings_, SHT_STRTAB); + //printf("section_count_: %ld, sections_.size(): %ld\n", + // section_count_, sections_.size()); + if (program_count_) { + Mark(&program_header_label_); + Append(program_header_table_); + } else { + program_header_label_ = 0; + } + + for (vector::iterator it = sections_.begin(); + it < sections_.end(); ++it) { + AppendSection(*it); + } + section_count_label_ = section_count_; + program_count_label_ = program_count_; + + // Section header table starts here. + Mark(§ion_header_label_); + Append(section_header_table_); +} + +SymbolTable::SymbolTable(Endianness endianness, + size_t addr_size, + StringTable& table) : Section(endianness), + addr_size_(addr_size), + table_(table) { + assert(addr_size_ == 4 || addr_size_ == 8); +} + +void SymbolTable::AddSymbol(const string& name, uint32_t value, + uint32_t size, unsigned info, uint16_t shndx) { + assert(addr_size_ == 4); + D32(table_.Add(name)); + D32(value); + D32(size); + D8(info); + D8(0); // other + D16(shndx); +} + +void SymbolTable::AddSymbol(const string& name, uint64_t value, + uint64_t size, unsigned info, uint16_t shndx) { + assert(addr_size_ == 8); + D32(table_.Add(name)); + D8(info); + D8(0); // other + D16(shndx); + D64(value); + D64(size); +} + +void Notes::AddNote(int type, const string &name, const uint8_t* desc_bytes, + size_t desc_size) { + // Elf32_Nhdr and Elf64_Nhdr are exactly the same. + Elf32_Nhdr note_header; + memset(¬e_header, 0, sizeof(note_header)); + note_header.n_namesz = name.length() + 1; + note_header.n_descsz = desc_size; + note_header.n_type = type; + + Append(reinterpret_cast(¬e_header), + sizeof(note_header)); + AppendCString(name); + Align(4); + Append(desc_bytes, desc_size); + Align(4); +} + +} // namespace synth_elf +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/synth_elf.h b/google-breakpad/src/common/linux/synth_elf.h new file mode 100644 index 0000000..330ceae --- /dev/null +++ b/google-breakpad/src/common/linux/synth_elf.h @@ -0,0 +1,195 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Ted Mielczarek + +// synth_elf.h: Interface to synth_elf::ELF: fake ELF generator. + +#ifndef COMMON_LINUX_SYNTH_ELF_H_ +#define COMMON_LINUX_SYNTH_ELF_H_ + +#include "common/test_assembler.h" + +#include +#include +#include +#include +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { +namespace synth_elf { + +using std::list; +using std::vector; +using std::map; +using std::pair; +using test_assembler::Endianness; +using test_assembler::kLittleEndian; +using test_assembler::kUnsetEndian; +using test_assembler::Label; +using test_assembler::Section; + +// String tables are common in ELF headers, so subclass Section +// to make them easy to generate. +class StringTable : public Section { +public: + StringTable(Endianness endianness = kUnsetEndian) + : Section(endianness) { + start() = 0; + empty_string = Add(""); + } + + // Add the string s to the string table, and return + // a label containing the offset into the string table + // at which it was added. + Label Add(const string& s) { + if (strings_.find(s) != strings_.end()) + return strings_[s]; + + Label string_label(Here()); + AppendCString(s); + strings_[s] = string_label; + return string_label; + } + + // All StringTables contain an empty string as their first + // entry. + Label empty_string; + + // Avoid inserting duplicate strings. + map strings_; +}; + +// A Section representing an entire ELF file. +class ELF : public Section { + public: + ELF(uint16_t machine, // EM_386, etc + uint8_t file_class, // ELFCLASS{32,64} + Endianness endianness = kLittleEndian); + + // Add the Section section to the section header table and append it + // to the file. Returns the index of the section in the section + // header table. + int AddSection(const string& name, const Section& section, + uint32_t type, uint32_t flags = 0, uint64_t addr = 0, + uint32_t link = 0, uint64_t entsize = 0, uint64_t offset = 0); + + // Add a segment containing from section index start to section index end. + // The indexes must have been gotten from AddSection. + void AddSegment(int start, int end, uint32_t type, uint32_t flags = 0); + + // Write out all data. GetContents may be used after this. + void Finish(); + + private: + // Size of an address, in bytes. + const size_t addr_size_; + + // Offset to the program header table. + Label program_header_label_; + // Number of entries in the program header table. + int program_count_; + Label program_count_label_; + // The program header table itself. + Section program_header_table_; + + // Offset to the section header table. + Label section_header_label_; + // Number of entries in the section header table. + int section_count_; + Label section_count_label_; + // The section header table itself. + Section section_header_table_; + + // Index of the section header string table in the section + // header table. + Label section_header_string_index_; + // Section containing the names of section header table entries. + StringTable section_header_strings_; + + // Record of an added section + struct ElfSection : public Section { + ElfSection(const Section& section, uint32_t type, uint32_t addr, + uint32_t offset, Label offset_label, uint32_t size) + : Section(section), type_(type), addr_(addr), offset_(offset) + , offset_label_(offset_label), size_(size) { + } + + uint32_t type_; + uint32_t addr_; + uint32_t offset_; + Label offset_label_; + uint32_t size_; + }; + + vector sections_; + + void AppendSection(ElfSection §ion); +}; + +// A class to build .symtab or .dynsym sections. +class SymbolTable : public Section { + public: + // table is the StringTable that contains symbol names. The caller + // must ensure that it remains alive for the life of the + // SymbolTable. + SymbolTable(Endianness endianness, size_t addr_size, StringTable& table); + + // Add an Elf32_Sym. + void AddSymbol(const string& name, uint32_t value, + uint32_t size, unsigned info, uint16_t shndx); + // Add an Elf64_Sym. + void AddSymbol(const string& name, uint64_t value, + uint64_t size, unsigned info, uint16_t shndx); + + private: + size_t addr_size_; + StringTable& table_; +}; + +// A class for note sections +class Notes : public Section { +public: + Notes(Endianness endianness) + : Section(endianness) { + } + + // Add a note. + void AddNote(int type, const string &name, const uint8_t* desc_bytes, + size_t desc_size); +}; + +} // namespace synth_elf +} // namespace google_breakpad + +#endif // COMMON_LINUX_SYNTH_ELF_H_ diff --git a/google-breakpad/src/common/linux/synth_elf_unittest.cc b/google-breakpad/src/common/linux/synth_elf_unittest.cc new file mode 100644 index 0000000..3715b6e --- /dev/null +++ b/google-breakpad/src/common/linux/synth_elf_unittest.cc @@ -0,0 +1,413 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Ted Mielczarek + +// synth_elf_unittest.cc: +// Unittests for google_breakpad::synth_elf::ELF + +#include + +#include "breakpad_googletest_includes.h" +#include "common/linux/elfutils.h" +#include "common/linux/synth_elf.h" +#include "common/using_std_string.h" + +using google_breakpad::ElfClass32; +using google_breakpad::ElfClass64; +using google_breakpad::synth_elf::ELF; +using google_breakpad::synth_elf::Notes; +using google_breakpad::synth_elf::Section; +using google_breakpad::synth_elf::StringTable; +using google_breakpad::synth_elf::SymbolTable; +using google_breakpad::test_assembler::Endianness; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; +using google_breakpad::test_assembler::Label; +using ::testing::Test; +using ::testing::Types; + +class StringTableTest : public Test { +public: + StringTableTest() : table(kLittleEndian) {} + + StringTable table; +}; + +TEST_F(StringTableTest, Empty) { + EXPECT_EQ(1U, table.Size()); + string contents; + ASSERT_TRUE(table.GetContents(&contents)); + const char* kExpectedContents = "\0"; + EXPECT_EQ(0, memcmp(kExpectedContents, + contents.c_str(), + contents.size())); + ASSERT_TRUE(table.empty_string.IsKnownConstant()); + EXPECT_EQ(0U, table.empty_string.Value()); +} + +TEST_F(StringTableTest, Basic) { + const string s1("table fills with strings"); + const string s2("offsets preserved as labels"); + const string s3("verified with tests"); + const char* kExpectedContents = + "\0table fills with strings\0" + "offsets preserved as labels\0" + "verified with tests\0"; + Label l1(table.Add(s1)); + Label l2(table.Add(s2)); + Label l3(table.Add(s3)); + string contents; + ASSERT_TRUE(table.GetContents(&contents)); + EXPECT_EQ(0, memcmp(kExpectedContents, + contents.c_str(), + contents.size())); + // empty_string is at zero, other strings start at 1. + ASSERT_TRUE(l1.IsKnownConstant()); + EXPECT_EQ(1U, l1.Value()); + // Each string has an extra byte for a trailing null. + EXPECT_EQ(1 + s1.length() + 1, l2.Value()); + EXPECT_EQ(1 + s1.length() + 1 + s2.length() + 1, l3.Value()); +} + +TEST_F(StringTableTest, Duplicates) { + const string s1("string 1"); + const string s2("string 2"); + const string s3(""); + const char* kExpectedContents = "\0string 1\0string 2\0"; + Label l1(table.Add(s1)); + Label l2(table.Add(s2)); + // Adding strings twice should return the same Label. + Label l3(table.Add(s3)); + Label l4(table.Add(s2)); + string contents; + ASSERT_TRUE(table.GetContents(&contents)); + EXPECT_EQ(0, memcmp(kExpectedContents, + contents.c_str(), + contents.size())); + EXPECT_EQ(0U, table.empty_string.Value()); + EXPECT_EQ(table.empty_string.Value(), l3.Value()); + EXPECT_EQ(l2.Value(), l4.Value()); +} + +class SymbolTableTest : public Test {}; + +TEST_F(SymbolTableTest, Simple32) { + StringTable table(kLittleEndian); + SymbolTable syms(kLittleEndian, 4, table); + + const string kFuncName1 = "superfunc"; + const uint32_t kFuncAddr1 = 0x10001000; + const uint32_t kFuncSize1 = 0x10; + const string kFuncName2 = "awesomefunc"; + const uint32_t kFuncAddr2 = 0x20002000; + const uint32_t kFuncSize2 = 0x2f; + const string kFuncName3 = "megafunc"; + const uint32_t kFuncAddr3 = 0x30003000; + const uint32_t kFuncSize3 = 0x3c; + + syms.AddSymbol(kFuncName1, kFuncAddr1, kFuncSize1, + ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), + SHN_UNDEF + 1); + syms.AddSymbol(kFuncName2, kFuncAddr2, kFuncSize2, + ELF32_ST_INFO(STB_LOCAL, STT_FUNC), + SHN_UNDEF + 2); + syms.AddSymbol(kFuncName3, kFuncAddr3, kFuncSize3, + ELF32_ST_INFO(STB_LOCAL, STT_FUNC), + SHN_UNDEF + 3); + + const char kExpectedStringTable[] = "\0superfunc\0awesomefunc\0megafunc"; + const size_t kExpectedStringTableSize = sizeof(kExpectedStringTable); + EXPECT_EQ(kExpectedStringTableSize, table.Size()); + string table_contents; + table.GetContents(&table_contents); + EXPECT_EQ(0, memcmp(kExpectedStringTable, + table_contents.c_str(), + table_contents.size())); + + const uint8_t kExpectedSymbolContents[] = { + // Symbol 1 + 0x01, 0x00, 0x00, 0x00, // name + 0x00, 0x10, 0x00, 0x10, // value + 0x10, 0x00, 0x00, 0x00, // size + ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), // info + 0x00, // other + 0x01, 0x00, // shndx + // Symbol 2 + 0x0B, 0x00, 0x00, 0x00, // name + 0x00, 0x20, 0x00, 0x20, // value + 0x2f, 0x00, 0x00, 0x00, // size + ELF32_ST_INFO(STB_LOCAL, STT_FUNC), // info + 0x00, // other + 0x02, 0x00, // shndx + // Symbol 3 + 0x17, 0x00, 0x00, 0x00, // name + 0x00, 0x30, 0x00, 0x30, // value + 0x3c, 0x00, 0x00, 0x00, // size + ELF32_ST_INFO(STB_LOCAL, STT_FUNC), // info + 0x00, // other + 0x03, 0x00, // shndx + }; + const size_t kExpectedSymbolSize = sizeof(kExpectedSymbolContents); + EXPECT_EQ(kExpectedSymbolSize, syms.Size()); + + string symbol_contents; + syms.GetContents(&symbol_contents); + EXPECT_EQ(0, memcmp(kExpectedSymbolContents, + symbol_contents.c_str(), + symbol_contents.size())); +} + +template +class BasicElf : public Test {}; + +// Doesn't seem worthwhile writing the tests to be endian-independent +// when they're unlikely to ever be run on big-endian systems. +#if defined(__i386__) || defined(__x86_64__) + +typedef Types ElfClasses; + +TYPED_TEST_CASE(BasicElf, ElfClasses); + +TYPED_TEST(BasicElf, EmptyLE) { + typedef typename TypeParam::Ehdr Ehdr; + typedef typename TypeParam::Phdr Phdr; + typedef typename TypeParam::Shdr Shdr; + const size_t kStringTableSize = sizeof("\0.shstrtab"); + const size_t kStringTableAlign = 4 - kStringTableSize % 4; + const size_t kExpectedSize = sizeof(Ehdr) + + // Two sections, SHT_NULL + the section header string table. + 2 * sizeof(Shdr) + + kStringTableSize + kStringTableAlign; + + // It doesn't really matter that the machine type is right for the class. + ELF elf(EM_386, TypeParam::kClass, kLittleEndian); + elf.Finish(); + EXPECT_EQ(kExpectedSize, elf.Size()); + + string contents; + ASSERT_TRUE(elf.GetContents(&contents)); + ASSERT_EQ(kExpectedSize, contents.size()); + const Ehdr* header = + reinterpret_cast(contents.data()); + const uint8_t kIdent[] = { + ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, + TypeParam::kClass, ELFDATA2LSB, EV_CURRENT, ELFOSABI_SYSV, + 0, 0, 0, 0, 0, 0, 0, 0 + }; + EXPECT_EQ(0, memcmp(kIdent, header->e_ident, sizeof(kIdent))); + EXPECT_EQ(ET_EXEC, header->e_type); + EXPECT_EQ(EM_386, header->e_machine); + EXPECT_EQ(static_cast(EV_CURRENT), header->e_version); + EXPECT_EQ(0U, header->e_entry); + EXPECT_EQ(0U, header->e_phoff); + EXPECT_EQ(sizeof(Ehdr) + kStringTableSize + kStringTableAlign, + header->e_shoff); + EXPECT_EQ(0U, header->e_flags); + EXPECT_EQ(sizeof(Ehdr), header->e_ehsize); + EXPECT_EQ(sizeof(Phdr), header->e_phentsize); + EXPECT_EQ(0, header->e_phnum); + EXPECT_EQ(sizeof(Shdr), header->e_shentsize); + EXPECT_EQ(2, header->e_shnum); + EXPECT_EQ(1, header->e_shstrndx); + + const Shdr* shdr = + reinterpret_cast(contents.data() + header->e_shoff); + EXPECT_EQ(0U, shdr[0].sh_name); + EXPECT_EQ(static_cast(SHT_NULL), shdr[0].sh_type); + EXPECT_EQ(0U, shdr[0].sh_flags); + EXPECT_EQ(0U, shdr[0].sh_addr); + EXPECT_EQ(0U, shdr[0].sh_offset); + EXPECT_EQ(0U, shdr[0].sh_size); + EXPECT_EQ(0U, shdr[0].sh_link); + EXPECT_EQ(0U, shdr[0].sh_info); + EXPECT_EQ(0U, shdr[0].sh_addralign); + EXPECT_EQ(0U, shdr[0].sh_entsize); + + EXPECT_EQ(1U, shdr[1].sh_name); + EXPECT_EQ(static_cast(SHT_STRTAB), shdr[1].sh_type); + EXPECT_EQ(0U, shdr[1].sh_flags); + EXPECT_EQ(0U, shdr[1].sh_addr); + EXPECT_EQ(sizeof(Ehdr), shdr[1].sh_offset); + EXPECT_EQ(kStringTableSize, shdr[1].sh_size); + EXPECT_EQ(0U, shdr[1].sh_link); + EXPECT_EQ(0U, shdr[1].sh_info); + EXPECT_EQ(0U, shdr[1].sh_addralign); + EXPECT_EQ(0U, shdr[1].sh_entsize); +} + +TYPED_TEST(BasicElf, BasicLE) { + typedef typename TypeParam::Ehdr Ehdr; + typedef typename TypeParam::Phdr Phdr; + typedef typename TypeParam::Shdr Shdr; + const size_t kStringTableSize = sizeof("\0.text\0.bss\0.shstrtab"); + const size_t kStringTableAlign = 4 - kStringTableSize % 4; + const size_t kExpectedSize = sizeof(Ehdr) + + // Four sections, SHT_NULL + the section header string table + + // 4096 bytes of the size-aligned .text section + one program header. + sizeof(Phdr) + 4 * sizeof(Shdr) + 4096 + + kStringTableSize + kStringTableAlign; + + // It doesn't really matter that the machine type is right for the class. + ELF elf(EM_386, TypeParam::kClass, kLittleEndian); + Section text(kLittleEndian); + text.Append(4094, 0); + int text_idx = elf.AddSection(".text", text, SHT_PROGBITS); + Section bss(kLittleEndian); + bss.Append(16, 0); + int bss_idx = elf.AddSection(".bss", bss, SHT_NOBITS); + elf.AddSegment(text_idx, bss_idx, PT_LOAD); + elf.Finish(); + EXPECT_EQ(kExpectedSize, elf.Size()); + + string contents; + ASSERT_TRUE(elf.GetContents(&contents)); + ASSERT_EQ(kExpectedSize, contents.size()); + const Ehdr* header = + reinterpret_cast(contents.data()); + const uint8_t kIdent[] = { + ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, + TypeParam::kClass, ELFDATA2LSB, EV_CURRENT, ELFOSABI_SYSV, + 0, 0, 0, 0, 0, 0, 0, 0 + }; + EXPECT_EQ(0, memcmp(kIdent, header->e_ident, sizeof(kIdent))); + EXPECT_EQ(ET_EXEC, header->e_type); + EXPECT_EQ(EM_386, header->e_machine); + EXPECT_EQ(static_cast(EV_CURRENT), header->e_version); + EXPECT_EQ(0U, header->e_entry); + EXPECT_EQ(sizeof(Ehdr), header->e_phoff); + EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr) + 4096 + kStringTableSize + + kStringTableAlign, header->e_shoff); + EXPECT_EQ(0U, header->e_flags); + EXPECT_EQ(sizeof(Ehdr), header->e_ehsize); + EXPECT_EQ(sizeof(Phdr), header->e_phentsize); + EXPECT_EQ(1, header->e_phnum); + EXPECT_EQ(sizeof(Shdr), header->e_shentsize); + EXPECT_EQ(4, header->e_shnum); + EXPECT_EQ(3, header->e_shstrndx); + + const Shdr* shdr = + reinterpret_cast(contents.data() + header->e_shoff); + EXPECT_EQ(0U, shdr[0].sh_name); + EXPECT_EQ(static_cast(SHT_NULL), shdr[0].sh_type); + EXPECT_EQ(0U, shdr[0].sh_flags); + EXPECT_EQ(0U, shdr[0].sh_addr); + EXPECT_EQ(0U, shdr[0].sh_offset); + EXPECT_EQ(0U, shdr[0].sh_size); + EXPECT_EQ(0U, shdr[0].sh_link); + EXPECT_EQ(0U, shdr[0].sh_info); + EXPECT_EQ(0U, shdr[0].sh_addralign); + EXPECT_EQ(0U, shdr[0].sh_entsize); + + EXPECT_EQ(1U, shdr[1].sh_name); + EXPECT_EQ(static_cast(SHT_PROGBITS), shdr[1].sh_type); + EXPECT_EQ(0U, shdr[1].sh_flags); + EXPECT_EQ(0U, shdr[1].sh_addr); + EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr), shdr[1].sh_offset); + EXPECT_EQ(4094U, shdr[1].sh_size); + EXPECT_EQ(0U, shdr[1].sh_link); + EXPECT_EQ(0U, shdr[1].sh_info); + EXPECT_EQ(0U, shdr[1].sh_addralign); + EXPECT_EQ(0U, shdr[1].sh_entsize); + + EXPECT_EQ(sizeof("\0.text"), shdr[2].sh_name); + EXPECT_EQ(static_cast(SHT_NOBITS), shdr[2].sh_type); + EXPECT_EQ(0U, shdr[2].sh_flags); + EXPECT_EQ(0U, shdr[2].sh_addr); + EXPECT_EQ(0U, shdr[2].sh_offset); + EXPECT_EQ(16U, shdr[2].sh_size); + EXPECT_EQ(0U, shdr[2].sh_link); + EXPECT_EQ(0U, shdr[2].sh_info); + EXPECT_EQ(0U, shdr[2].sh_addralign); + EXPECT_EQ(0U, shdr[2].sh_entsize); + + EXPECT_EQ(sizeof("\0.text\0.bss"), shdr[3].sh_name); + EXPECT_EQ(static_cast(SHT_STRTAB), shdr[3].sh_type); + EXPECT_EQ(0U, shdr[3].sh_flags); + EXPECT_EQ(0U, shdr[3].sh_addr); + EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr) + 4096, shdr[3].sh_offset); + EXPECT_EQ(kStringTableSize, shdr[3].sh_size); + EXPECT_EQ(0U, shdr[3].sh_link); + EXPECT_EQ(0U, shdr[3].sh_info); + EXPECT_EQ(0U, shdr[3].sh_addralign); + EXPECT_EQ(0U, shdr[3].sh_entsize); + + const Phdr* phdr = + reinterpret_cast(contents.data() + header->e_phoff); + EXPECT_EQ(static_cast(PT_LOAD), phdr->p_type); + EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr), phdr->p_offset); + EXPECT_EQ(0U, phdr->p_vaddr); + EXPECT_EQ(0U, phdr->p_paddr); + EXPECT_EQ(4096U, phdr->p_filesz); + EXPECT_EQ(4096U + 16U, phdr->p_memsz); + EXPECT_EQ(0U, phdr->p_flags); + EXPECT_EQ(0U, phdr->p_align); +} + +class ElfNotesTest : public Test {}; + +TEST_F(ElfNotesTest, Empty) { + Notes notes(kLittleEndian); + string contents; + ASSERT_TRUE(notes.GetContents(&contents)); + EXPECT_EQ(0U, contents.size()); +} + +TEST_F(ElfNotesTest, Notes) { + Notes notes(kLittleEndian); + notes.AddNote(1, "Linux", reinterpret_cast("\x42\x02\0\0"), + 4); + notes.AddNote(2, "a", reinterpret_cast("foobar"), + sizeof("foobar") - 1); + + const uint8_t kExpectedNotesContents[] = { + // Note 1 + 0x06, 0x00, 0x00, 0x00, // name size, including terminating zero + 0x04, 0x00, 0x00, 0x00, // desc size + 0x01, 0x00, 0x00, 0x00, // type + 'L', 'i', 'n', 'u', 'x', 0x00, 0x00, 0x00, // padded "Linux" + 0x42, 0x02, 0x00, 0x00, // desc + // Note 2 + 0x02, 0x00, 0x00, 0x00, // name size + 0x06, 0x00, 0x00, 0x00, // desc size + 0x02, 0x00, 0x00, 0x00, // type + 'a', 0x00, 0x00, 0x00, // padded "a" + 'f', 'o', 'o', 'b', 'a', 'r', 0x00, 0x00, // padded "foobar" + }; + const size_t kExpectedNotesSize = sizeof(kExpectedNotesContents); + EXPECT_EQ(kExpectedNotesSize, notes.Size()); + + string notes_contents; + ASSERT_TRUE(notes.GetContents(¬es_contents)); + EXPECT_EQ(0, memcmp(kExpectedNotesContents, + notes_contents.data(), + notes_contents.size())); +} + +#endif // defined(__i386__) || defined(__x86_64__) diff --git a/google-breakpad/src/common/linux/tests/crash_generator.cc b/google-breakpad/src/common/linux/tests/crash_generator.cc new file mode 100644 index 0000000..9262c32 --- /dev/null +++ b/google-breakpad/src/common/linux/tests/crash_generator.cc @@ -0,0 +1,280 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// crash_generator.cc: Implement google_breakpad::CrashGenerator. +// See crash_generator.h for details. + +#include "common/linux/tests/crash_generator.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#if defined(__ANDROID__) +#include "common/android/testing/pthread_fixes.h" +#endif +#include "common/linux/eintr_wrapper.h" +#include "common/tests/auto_tempdir.h" +#include "common/tests/file_utils.h" +#include "common/using_std_string.h" + +namespace { + +struct ThreadData { + pthread_t thread; + pthread_barrier_t* barrier; + pid_t* thread_id_ptr; +}; + +const char* const kProcFilesToCopy[] = { + "auxv", "cmdline", "environ", "maps", "status" +}; +const size_t kNumProcFilesToCopy = + sizeof(kProcFilesToCopy) / sizeof(kProcFilesToCopy[0]); + +// Core file size limit set to 1 MB, which is big enough for test purposes. +const rlim_t kCoreSizeLimit = 1024 * 1024; + +void *thread_function(void *data) { + ThreadData* thread_data = reinterpret_cast(data); + volatile pid_t thread_id = syscall(__NR_gettid); + *(thread_data->thread_id_ptr) = thread_id; + int result = pthread_barrier_wait(thread_data->barrier); + if (result != 0 && result != PTHREAD_BARRIER_SERIAL_THREAD) { + exit(1); + } + while (true) { + pthread_yield(); + } +} + +} // namespace + +namespace google_breakpad { + +CrashGenerator::CrashGenerator() + : shared_memory_(NULL), + shared_memory_size_(0) { +} + +CrashGenerator::~CrashGenerator() { + UnmapSharedMemory(); +} + +bool CrashGenerator::HasDefaultCorePattern() const { + char buffer[8]; + ssize_t buffer_size = sizeof(buffer); + return ReadFile("/proc/sys/kernel/core_pattern", buffer, &buffer_size) && + buffer_size == 5 && memcmp(buffer, "core", 4) == 0; +} + +string CrashGenerator::GetCoreFilePath() const { + return temp_dir_.path() + "/core"; +} + +string CrashGenerator::GetDirectoryOfProcFilesCopy() const { + return temp_dir_.path() + "/proc"; +} + +pid_t CrashGenerator::GetThreadId(unsigned index) const { + return reinterpret_cast(shared_memory_)[index]; +} + +pid_t* CrashGenerator::GetThreadIdPointer(unsigned index) { + return reinterpret_cast(shared_memory_) + index; +} + +bool CrashGenerator::MapSharedMemory(size_t memory_size) { + if (!UnmapSharedMemory()) + return false; + + void* mapped_memory = mmap(0, memory_size, PROT_READ | PROT_WRITE, + MAP_SHARED | MAP_ANONYMOUS, -1, 0); + if (mapped_memory == MAP_FAILED) { + perror("CrashGenerator: Failed to map shared memory"); + return false; + } + + memset(mapped_memory, 0, memory_size); + shared_memory_ = mapped_memory; + shared_memory_size_ = memory_size; + return true; +} + +bool CrashGenerator::UnmapSharedMemory() { + if (!shared_memory_) + return true; + + if (munmap(shared_memory_, shared_memory_size_) == 0) { + shared_memory_ = NULL; + shared_memory_size_ = 0; + return true; + } + + perror("CrashGenerator: Failed to unmap shared memory"); + return false; +} + +bool CrashGenerator::SetCoreFileSizeLimit(rlim_t limit) const { + struct rlimit limits = { limit, limit }; + if (setrlimit(RLIMIT_CORE, &limits) == -1) { + perror("CrashGenerator: Failed to set core file size limit"); + return false; + } + return true; +} + +bool CrashGenerator::CreateChildCrash( + unsigned num_threads, unsigned crash_thread, int crash_signal, + pid_t* child_pid) { + if (num_threads == 0 || crash_thread >= num_threads) + return false; + + if (!MapSharedMemory(num_threads * sizeof(pid_t))) + return false; + + pid_t pid = fork(); + if (pid == 0) { + if (chdir(temp_dir_.path().c_str()) == -1) { + perror("CrashGenerator: Failed to change directory"); + exit(1); + } + if (SetCoreFileSizeLimit(kCoreSizeLimit)) { + CreateThreadsInChildProcess(num_threads); + string proc_dir = GetDirectoryOfProcFilesCopy(); + if (mkdir(proc_dir.c_str(), 0755) == -1) { + perror("CrashGenerator: Failed to create proc directory"); + exit(1); + } + if (!CopyProcFiles(getpid(), proc_dir.c_str())) { + fprintf(stderr, "CrashGenerator: Failed to copy proc files\n"); + exit(1); + } + if (kill(*GetThreadIdPointer(crash_thread), crash_signal) == -1) { + perror("CrashGenerator: Failed to kill thread by signal"); + } + } + exit(1); + } else if (pid == -1) { + perror("CrashGenerator: Failed to create child process"); + return false; + } + + int status; + if (HANDLE_EINTR(waitpid(pid, &status, 0)) == -1) { + perror("CrashGenerator: Failed to wait for child process"); + return false; + } + if (!WIFSIGNALED(status) || WTERMSIG(status) != crash_signal) { + fprintf(stderr, "CrashGenerator: Child process not killed by the expected signal\n" + " exit status=0x%x signaled=%s sig=%d expected=%d\n", + status, WIFSIGNALED(status) ? "true" : "false", + WTERMSIG(status), crash_signal); + return false; + } + + if (child_pid) + *child_pid = pid; + return true; +} + +bool CrashGenerator::CopyProcFiles(pid_t pid, const char* path) const { + char from_path[PATH_MAX], to_path[PATH_MAX]; + for (size_t i = 0; i < kNumProcFilesToCopy; ++i) { + int num_chars = snprintf(from_path, PATH_MAX, "/proc/%d/%s", + pid, kProcFilesToCopy[i]); + if (num_chars < 0 || num_chars >= PATH_MAX) + return false; + + num_chars = snprintf(to_path, PATH_MAX, "%s/%s", + path, kProcFilesToCopy[i]); + if (num_chars < 0 || num_chars >= PATH_MAX) + return false; + + if (!CopyFile(from_path, to_path)) + return false; + } + return true; +} + +void CrashGenerator::CreateThreadsInChildProcess(unsigned num_threads) { + *GetThreadIdPointer(0) = getpid(); + + if (num_threads <= 1) + return; + + // This method does not clean up any pthread resource, as the process + // is expected to be killed anyway. + ThreadData* thread_data = new ThreadData[num_threads]; + + // Create detached threads so that we do not worry about pthread_join() + // later being called or not. + pthread_attr_t thread_attributes; + if (pthread_attr_init(&thread_attributes) != 0 || + pthread_attr_setdetachstate(&thread_attributes, + PTHREAD_CREATE_DETACHED) != 0) { + fprintf(stderr, "CrashGenerator: Failed to initialize thread attribute\n"); + exit(1); + } + + pthread_barrier_t thread_barrier; + if (pthread_barrier_init(&thread_barrier, NULL, num_threads) != 0) { + fprintf(stderr, "CrashGenerator: Failed to initialize thread barrier\n"); + exit(1); + } + + for (unsigned i = 1; i < num_threads; ++i) { + thread_data[i].barrier = &thread_barrier; + thread_data[i].thread_id_ptr = GetThreadIdPointer(i); + if (pthread_create(&thread_data[i].thread, &thread_attributes, + thread_function, &thread_data[i]) != 0) { + fprintf(stderr, "CrashGenerator: Failed to create thread %d\n", i); + exit(1); + } + } + + int result = pthread_barrier_wait(&thread_barrier); + if (result != 0 && result != PTHREAD_BARRIER_SERIAL_THREAD) { + fprintf(stderr, "CrashGenerator: Failed to wait for thread barrier\n"); + exit(1); + } + + pthread_barrier_destroy(&thread_barrier); + pthread_attr_destroy(&thread_attributes); + delete[] thread_data; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/linux/tests/crash_generator.h b/google-breakpad/src/common/linux/tests/crash_generator.h new file mode 100644 index 0000000..7e2fcbf --- /dev/null +++ b/google-breakpad/src/common/linux/tests/crash_generator.h @@ -0,0 +1,117 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// crash_generator.h: Define the google_breakpad::CrashGenerator class, +// which is used to generate a crash (and a core dump file) for testing. + +#ifndef COMMON_LINUX_TESTS_CRASH_GENERATOR_H_ +#define COMMON_LINUX_TESTS_CRASH_GENERATOR_H_ + +#include + +#include + +#include "common/tests/auto_tempdir.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +// A utility class for generating a crash (and a core dump file) for +// testing. It creates a child process with the specified number of +// threads, which is then termainated by the specified signal. A core +// dump file is expected to be created upon the termination of the child +// process, which can then be used for testing code that processes core +// dump files. +class CrashGenerator { + public: + CrashGenerator(); + + ~CrashGenerator(); + + // Returns true if a core dump file named 'core' will be generated in + // the current directory for a test that produces a crash by checking + // if /proc/sys/kernel/core_pattern has the default value 'core'. + bool HasDefaultCorePattern() const; + + // Returns the expected path of the core dump file. + string GetCoreFilePath() const; + + // Returns the directory of a copy of proc files of the child process. + string GetDirectoryOfProcFilesCopy() const; + + // Creates a crash (and a core dump file) by creating a child process with + // |num_threads| threads, and the terminating the child process by sending + // a signal with number |crash_signal| to the |crash_thread|-th thread. + // Returns true on success. + bool CreateChildCrash(unsigned num_threads, unsigned crash_thread, + int crash_signal, pid_t* child_pid); + + // Returns the thread ID of the |index|-th thread in the child process. + // This method does not validate |index|. + pid_t GetThreadId(unsigned index) const; + + private: + // Copies the following proc files of the process with |pid| to the directory + // at |path|: auxv, cmdline, environ, maps, status + // The directory must have been created. Returns true on success. + bool CopyProcFiles(pid_t pid, const char* path) const; + + // Creates |num_threads| threads in the child process. + void CreateThreadsInChildProcess(unsigned num_threads); + + // Sets the maximum size of core dump file (both the soft and hard limit) + // to |limit| bytes. Returns true on success. + bool SetCoreFileSizeLimit(rlim_t limit) const; + + // Creates a shared memory of |memory_size| bytes for communicating thread + // IDs between the parent and child process. Returns true on success. + bool MapSharedMemory(size_t memory_size); + + // Releases any shared memory created by MapSharedMemory(). Returns true on + // success. + bool UnmapSharedMemory(); + + // Returns the pointer to the thread ID of the |index|-th thread in the child + // process. This method does not validate |index|. + pid_t* GetThreadIdPointer(unsigned index); + + // Temporary directory in which a core file is generated. + AutoTempDir temp_dir_; + + // Shared memory for communicating thread IDs between the parent and + // child process. + void* shared_memory_; + + // Number of bytes mapped for |shared_memory_|. + size_t shared_memory_size_; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_TESTS_CRASH_GENERATOR_H_ diff --git a/google-breakpad/src/common/md5.cc b/google-breakpad/src/common/md5.cc new file mode 100644 index 0000000..bccf61c --- /dev/null +++ b/google-breakpad/src/common/md5.cc @@ -0,0 +1,251 @@ +/* + * written by Colin Plumb in 1993, no copyright is claimed. + * This code is in the public domain; do with it what you wish. + * + * Equivalent code is available from RSA Data Security, Inc. + * This code has been tested against that, and is equivalent, + * except that you don't need to include two pages of legalese + * with every copy. + * + * To compute the message digest of a chunk of bytes, declare an + * MD5Context structure, pass it to MD5Init, call MD5Update as + * needed on buffers full of bytes, and then call MD5Final, which + * will fill a supplied 16-byte array with the digest. + */ + +#include + +#include "common/md5.h" + +namespace google_breakpad { + +#ifndef WORDS_BIGENDIAN +#define byteReverse(buf, len) /* Nothing */ +#else +/* + * Note: this code is harmless on little-endian machines. + */ +static void byteReverse(unsigned char *buf, unsigned longs) +{ + u32 t; + do { + t = (u32) ((unsigned) buf[3] << 8 | buf[2]) << 16 | + ((unsigned) buf[1] << 8 | buf[0]); + *(u32 *) buf = t; + buf += 4; + } while (--longs); +} +#endif + +static void MD5Transform(u32 buf[4], u32 const in[16]); + +/* + * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious + * initialization constants. + */ +void MD5Init(struct MD5Context *ctx) +{ + ctx->buf[0] = 0x67452301; + ctx->buf[1] = 0xefcdab89; + ctx->buf[2] = 0x98badcfe; + ctx->buf[3] = 0x10325476; + + ctx->bits[0] = 0; + ctx->bits[1] = 0; +} + +/* + * Update context to reflect the concatenation of another buffer full + * of bytes. + */ +void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len) +{ + u32 t; + + /* Update bitcount */ + + t = ctx->bits[0]; + if ((ctx->bits[0] = t + ((u32) len << 3)) < t) + ctx->bits[1]++; /* Carry from low to high */ + ctx->bits[1] += len >> 29; + + t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */ + + /* Handle any leading odd-sized chunks */ + + if (t) { + unsigned char *p = (unsigned char *) ctx->in + t; + + t = 64 - t; + if (len < t) { + memcpy(p, buf, len); + return; + } + memcpy(p, buf, t); + byteReverse(ctx->in, 16); + MD5Transform(ctx->buf, (u32 *) ctx->in); + buf += t; + len -= t; + } + /* Process data in 64-byte chunks */ + + while (len >= 64) { + memcpy(ctx->in, buf, 64); + byteReverse(ctx->in, 16); + MD5Transform(ctx->buf, (u32 *) ctx->in); + buf += 64; + len -= 64; + } + + /* Handle any remaining bytes of data. */ + + memcpy(ctx->in, buf, len); +} + +/* + * Final wrapup - pad to 64-byte boundary with the bit pattern + * 1 0* (64-bit count of bits processed, MSB-first) + */ +void MD5Final(unsigned char digest[16], struct MD5Context *ctx) +{ + unsigned count; + unsigned char *p; + + /* Compute number of bytes mod 64 */ + count = (ctx->bits[0] >> 3) & 0x3F; + + /* Set the first char of padding to 0x80. This is safe since there is + always at least one byte free */ + p = ctx->in + count; + *p++ = 0x80; + + /* Bytes of padding needed to make 64 bytes */ + count = 64 - 1 - count; + + /* Pad out to 56 mod 64 */ + if (count < 8) { + /* Two lots of padding: Pad the first block to 64 bytes */ + memset(p, 0, count); + byteReverse(ctx->in, 16); + MD5Transform(ctx->buf, (u32 *) ctx->in); + + /* Now fill the next block with 56 bytes */ + memset(ctx->in, 0, 56); + } else { + /* Pad block to 56 bytes */ + memset(p, 0, count - 8); + } + byteReverse(ctx->in, 14); + + /* Append length in bits and transform */ + ((u32 *) ctx->in)[14] = ctx->bits[0]; + ((u32 *) ctx->in)[15] = ctx->bits[1]; + + MD5Transform(ctx->buf, (u32 *) ctx->in); + byteReverse((unsigned char *) ctx->buf, 4); + memcpy(digest, ctx->buf, 16); + memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */ +} + +/* The four core functions - F1 is optimized somewhat */ + +/* #define F1(x, y, z) (x & y | ~x & z) */ +#define F1(x, y, z) (z ^ (x & (y ^ z))) +#define F2(x, y, z) F1(z, x, y) +#define F3(x, y, z) (x ^ y ^ z) +#define F4(x, y, z) (y ^ (x | ~z)) + +/* This is the central step in the MD5 algorithm. */ +#define MD5STEP(f, w, x, y, z, data, s) \ + ( w += f(x, y, z) + data, w = w<>(32-s), w += x ) + +/* + * The core of the MD5 algorithm, this alters an existing MD5 hash to + * reflect the addition of 16 longwords of new data. MD5Update blocks + * the data and converts bytes into longwords for this routine. + */ +static void MD5Transform(u32 buf[4], u32 const in[16]) +{ + register u32 a, b, c, d; + + a = buf[0]; + b = buf[1]; + c = buf[2]; + d = buf[3]; + + MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); + MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); + MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); + MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); + MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); + MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); + MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); + MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); + MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); + MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); + MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); + MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); + MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); + MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); + MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); + MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); + + MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); + MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); + MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); + MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); + MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); + MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); + MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); + MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); + MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); + MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); + MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); + MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); + MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); + MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); + MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); + MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); + + MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); + MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); + MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); + MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); + MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); + MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); + MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); + MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); + MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); + MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); + MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); + MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); + MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); + MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); + MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); + MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); + + MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); + MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); + MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); + MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); + MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); + MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); + MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); + MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); + MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); + MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); + MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); + MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); + MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); + MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); + MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); + MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); + + buf[0] += a; + buf[1] += b; + buf[2] += c; + buf[3] += d; +} + +} // namespace google_breakpad + diff --git a/google-breakpad/src/common/md5.h b/google-breakpad/src/common/md5.h new file mode 100644 index 0000000..e96521e --- /dev/null +++ b/google-breakpad/src/common/md5.h @@ -0,0 +1,27 @@ +// Copyright 2007 Google Inc. All Rights Reserved. +// Author: liuli@google.com (Liu Li) +#ifndef COMMON_MD5_H__ +#define COMMON_MD5_H__ + +#include + +namespace google_breakpad { + +typedef uint32_t u32; +typedef uint8_t u8; + +struct MD5Context { + u32 buf[4]; + u32 bits[2]; + u8 in[64]; +}; + +void MD5Init(struct MD5Context *ctx); + +void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len); + +void MD5Final(unsigned char digest[16], struct MD5Context *ctx); + +} // namespace google_breakpad + +#endif // COMMON_MD5_H__ diff --git a/google-breakpad/src/common/memory.h b/google-breakpad/src/common/memory.h new file mode 100644 index 0000000..1fda60f --- /dev/null +++ b/google-breakpad/src/common/memory.h @@ -0,0 +1,222 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef GOOGLE_BREAKPAD_COMMON_MEMORY_H_ +#define GOOGLE_BREAKPAD_COMMON_MEMORY_H_ + +#include +#include +#include +#include + +#include + +#ifdef __APPLE__ +#define sys_mmap mmap +#define sys_mmap2 mmap +#define sys_munmap munmap +#define MAP_ANONYMOUS MAP_ANON +#else +#include "third_party/lss/linux_syscall_support.h" +#endif + +namespace google_breakpad { + +// This is very simple allocator which fetches pages from the kernel directly. +// Thus, it can be used even when the heap may be corrupted. +// +// There is no free operation. The pages are only freed when the object is +// destroyed. +class PageAllocator { + public: + PageAllocator() + : page_size_(getpagesize()), + last_(NULL), + current_page_(NULL), + page_offset_(0) { + } + + ~PageAllocator() { + FreeAll(); + } + + void *Alloc(unsigned bytes) { + if (!bytes) + return NULL; + + if (current_page_ && page_size_ - page_offset_ >= bytes) { + uint8_t *const ret = current_page_ + page_offset_; + page_offset_ += bytes; + if (page_offset_ == page_size_) { + page_offset_ = 0; + current_page_ = NULL; + } + + return ret; + } + + const unsigned pages = + (bytes + sizeof(PageHeader) + page_size_ - 1) / page_size_; + uint8_t *const ret = GetNPages(pages); + if (!ret) + return NULL; + + page_offset_ = (page_size_ - (page_size_ * pages - (bytes + sizeof(PageHeader)))) % page_size_; + current_page_ = page_offset_ ? ret + page_size_ * (pages - 1) : NULL; + + return ret + sizeof(PageHeader); + } + + private: + uint8_t *GetNPages(unsigned num_pages) { +#ifdef __x86_64 + void *a = sys_mmap(NULL, page_size_ * num_pages, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); +#else + void *a = sys_mmap2(NULL, page_size_ * num_pages, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); +#endif + if (a == MAP_FAILED) + return NULL; + + struct PageHeader *header = reinterpret_cast(a); + header->next = last_; + header->num_pages = num_pages; + last_ = header; + + return reinterpret_cast(a); + } + + void FreeAll() { + PageHeader *next; + + for (PageHeader *cur = last_; cur; cur = next) { + next = cur->next; + sys_munmap(cur, cur->num_pages * page_size_); + } + } + + struct PageHeader { + PageHeader *next; // pointer to the start of the next set of pages. + unsigned num_pages; // the number of pages in this set. + }; + + const unsigned page_size_; + PageHeader *last_; + uint8_t *current_page_; + unsigned page_offset_; +}; + +// A wasteful vector is like a normal std::vector, except that it's very much +// simplier and it allocates memory from a PageAllocator. It's wasteful +// because, when resizing, it always allocates a whole new array since the +// PageAllocator doesn't support realloc. +template +class wasteful_vector { + public: + wasteful_vector(PageAllocator *allocator, unsigned size_hint = 16) + : allocator_(allocator), + a_((T*) allocator->Alloc(sizeof(T) * size_hint)), + allocated_(size_hint), + used_(0) { + } + + T& back() { + return a_[used_ - 1]; + } + + const T& back() const { + return a_[used_ - 1]; + } + + bool empty() const { + return used_ == 0; + } + + void push_back(const T& new_element) { + if (used_ == allocated_) + Realloc(std::max(allocated_ * 2, 1u)); + a_[used_++] = new_element; + } + + size_t size() const { + return used_; + } + + void resize(unsigned sz, T c = T()) { + // No need to test "sz >= 0", as "sz" is unsigned. + if (sz <= used_) { + used_ = sz; + } else { + unsigned a = allocated_; + if (sz > a) { + while (sz > a) { + a *= 2; + } + Realloc(a); + } + while (sz > used_) { + a_[used_++] = c; + } + } + } + + T& operator[](size_t index) { + return a_[index]; + } + + const T& operator[](size_t index) const { + return a_[index]; + } + + private: + void Realloc(unsigned new_size) { + T *new_array = + reinterpret_cast(allocator_->Alloc(sizeof(T) * new_size)); + if (new_size > 0) { + memcpy(new_array, a_, used_ * sizeof(T)); + } + a_ = new_array; + allocated_ = new_size; + } + + PageAllocator *const allocator_; + T *a_; // pointer to an array of |allocated_| elements. + unsigned allocated_; // size of |a_|, in elements. + unsigned used_; // number of used slots in |a_|. +}; + +} // namespace google_breakpad + +inline void* operator new(size_t nbytes, + google_breakpad::PageAllocator& allocator) { + return allocator.Alloc(nbytes); +} + +#endif // GOOGLE_BREAKPAD_COMMON_MEMORY_H_ diff --git a/google-breakpad/src/common/memory_range.h b/google-breakpad/src/common/memory_range.h new file mode 100644 index 0000000..41dd2da --- /dev/null +++ b/google-breakpad/src/common/memory_range.h @@ -0,0 +1,145 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// memory_range.h: Define the google_breakpad::MemoryRange class, which +// is a lightweight wrapper with a pointer and a length to encapsulate +// a contiguous range of memory. + +#ifndef COMMON_MEMORY_RANGE_H_ +#define COMMON_MEMORY_RANGE_H_ + +#include + +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +// A lightweight wrapper with a pointer and a length to encapsulate a +// contiguous range of memory. It provides helper methods for checked +// access of a subrange of the memory. Its implemementation does not +// allocate memory or call into libc functions, and is thus safer to use +// in a crashed environment. +class MemoryRange { + public: + MemoryRange() : data_(NULL), length_(0) {} + + MemoryRange(const void* data, size_t length) { + Set(data, length); + } + + // Returns true if this memory range contains no data. + bool IsEmpty() const { + // Set() guarantees that |length_| is zero if |data_| is NULL. + return length_ == 0; + } + + // Resets to an empty range. + void Reset() { + data_ = NULL; + length_ = 0; + } + + // Sets this memory range to point to |data| and its length to |length|. + void Set(const void* data, size_t length) { + data_ = reinterpret_cast(data); + // Always set |length_| to zero if |data_| is NULL. + length_ = data ? length : 0; + } + + // Returns true if this range covers a subrange of |sub_length| bytes + // at |sub_offset| bytes of this memory range, or false otherwise. + bool Covers(size_t sub_offset, size_t sub_length) const { + // The following checks verify that: + // 1. sub_offset is within [ 0 .. length_ - 1 ] + // 2. sub_offset + sub_length is within + // [ sub_offset .. length_ ] + return sub_offset < length_ && + sub_offset + sub_length >= sub_offset && + sub_offset + sub_length <= length_; + } + + // Returns a raw data pointer to a subrange of |sub_length| bytes at + // |sub_offset| bytes of this memory range, or NULL if the subrange + // is out of bounds. + const void* GetData(size_t sub_offset, size_t sub_length) const { + return Covers(sub_offset, sub_length) ? (data_ + sub_offset) : NULL; + } + + // Same as the two-argument version of GetData() but uses sizeof(DataType) + // as the subrange length and returns an |DataType| pointer for convenience. + template + const DataType* GetData(size_t sub_offset) const { + return reinterpret_cast( + GetData(sub_offset, sizeof(DataType))); + } + + // Returns a raw pointer to the |element_index|-th element of an array + // of elements of length |element_size| starting at |sub_offset| bytes + // of this memory range, or NULL if the element is out of bounds. + const void* GetArrayElement(size_t element_offset, + size_t element_size, + unsigned element_index) const { + size_t sub_offset = element_offset + element_index * element_size; + return GetData(sub_offset, element_size); + } + + // Same as the three-argument version of GetArrayElement() but deduces + // the element size using sizeof(ElementType) and returns an |ElementType| + // pointer for convenience. + template + const ElementType* GetArrayElement(size_t element_offset, + unsigned element_index) const { + return reinterpret_cast( + GetArrayElement(element_offset, sizeof(ElementType), element_index)); + } + + // Returns a subrange of |sub_length| bytes at |sub_offset| bytes of + // this memory range, or an empty range if the subrange is out of bounds. + MemoryRange Subrange(size_t sub_offset, size_t sub_length) const { + return Covers(sub_offset, sub_length) ? + MemoryRange(data_ + sub_offset, sub_length) : MemoryRange(); + } + + // Returns a pointer to the beginning of this memory range. + const uint8_t* data() const { return data_; } + + // Returns the length, in bytes, of this memory range. + size_t length() const { return length_; } + + private: + // Pointer to the beginning of this memory range. + const uint8_t* data_; + + // Length, in bytes, of this memory range. + size_t length_; +}; + +} // namespace google_breakpad + +#endif // COMMON_MEMORY_RANGE_H_ diff --git a/google-breakpad/src/common/memory_range_unittest.cc b/google-breakpad/src/common/memory_range_unittest.cc new file mode 100644 index 0000000..f6cf8c8 --- /dev/null +++ b/google-breakpad/src/common/memory_range_unittest.cc @@ -0,0 +1,193 @@ +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// memory_range_unittest.cc: Unit tests for google_breakpad::MemoryRange. + +#include "breakpad_googletest_includes.h" +#include "common/memory_range.h" + +using google_breakpad::MemoryRange; +using testing::Message; + +namespace { + +const uint32_t kBuffer[10] = { 0 }; +const size_t kBufferSize = sizeof(kBuffer); +const uint8_t* kBufferPointer = reinterpret_cast(kBuffer); + +// Test vectors for verifying Covers, GetData, and Subrange. +const struct { + bool valid; + size_t offset; + size_t length; +} kSubranges[] = { + { true, 0, 0 }, + { true, 0, 2 }, + { true, 0, kBufferSize }, + { true, 2, 0 }, + { true, 2, 4 }, + { true, 2, kBufferSize - 2 }, + { true, kBufferSize - 1, 1 }, + { false, kBufferSize, 0 }, + { false, kBufferSize, static_cast(-1) }, + { false, kBufferSize + 1, 0 }, + { false, static_cast(-1), 2 }, + { false, 1, kBufferSize }, + { false, kBufferSize - 1, 2 }, + { false, 0, static_cast(-1) }, + { false, 1, static_cast(-1) }, +}; +const size_t kNumSubranges = sizeof(kSubranges) / sizeof(kSubranges[0]); + +// Test vectors for verifying GetArrayElement. +const struct { + size_t offset; + size_t size; + size_t index; + const void* const pointer; +} kElements[] = { + // Valid array elemenets + { 0, 1, 0, kBufferPointer }, + { 0, 1, 1, kBufferPointer + 1 }, + { 0, 1, kBufferSize - 1, kBufferPointer + kBufferSize - 1 }, + { 0, 2, 1, kBufferPointer + 2 }, + { 0, 4, 2, kBufferPointer + 8 }, + { 0, 4, 9, kBufferPointer + 36 }, + { kBufferSize - 1, 1, 0, kBufferPointer + kBufferSize - 1 }, + // Invalid array elemenets + { 0, 1, kBufferSize, NULL }, + { 0, 4, 10, NULL }, + { kBufferSize - 1, 1, 1, NULL }, + { kBufferSize - 1, 2, 0, NULL }, + { kBufferSize, 1, 0, NULL }, +}; +const size_t kNumElements = sizeof(kElements) / sizeof(kElements[0]); + +} // namespace + +TEST(MemoryRangeTest, DefaultConstructor) { + MemoryRange range; + EXPECT_EQ(NULL, range.data()); + EXPECT_EQ(0U, range.length()); +} + +TEST(MemoryRangeTest, ConstructorWithDataAndLength) { + MemoryRange range(kBuffer, kBufferSize); + EXPECT_EQ(kBufferPointer, range.data()); + EXPECT_EQ(kBufferSize, range.length()); +} + +TEST(MemoryRangeTest, Reset) { + MemoryRange range; + range.Reset(); + EXPECT_EQ(NULL, range.data()); + EXPECT_EQ(0U, range.length()); + + range.Set(kBuffer, kBufferSize); + EXPECT_EQ(kBufferPointer, range.data()); + EXPECT_EQ(kBufferSize, range.length()); + + range.Reset(); + EXPECT_EQ(NULL, range.data()); + EXPECT_EQ(0U, range.length()); +} + +TEST(MemoryRangeTest, Set) { + MemoryRange range; + range.Set(kBuffer, kBufferSize); + EXPECT_EQ(kBufferPointer, range.data()); + EXPECT_EQ(kBufferSize, range.length()); + + range.Set(NULL, 0); + EXPECT_EQ(NULL, range.data()); + EXPECT_EQ(0U, range.length()); +} + +TEST(MemoryRangeTest, SubrangeOfEmptyMemoryRange) { + MemoryRange range; + MemoryRange subrange = range.Subrange(0, 10); + EXPECT_EQ(NULL, subrange.data()); + EXPECT_EQ(0U, subrange.length()); +} + +TEST(MemoryRangeTest, SubrangeAndGetData) { + MemoryRange range(kBuffer, kBufferSize); + for (size_t i = 0; i < kNumSubranges; ++i) { + bool valid = kSubranges[i].valid; + size_t sub_offset = kSubranges[i].offset; + size_t sub_length = kSubranges[i].length; + SCOPED_TRACE(Message() << "offset=" << sub_offset + << ", length=" << sub_length); + + MemoryRange subrange = range.Subrange(sub_offset, sub_length); + if (valid) { + EXPECT_TRUE(range.Covers(sub_offset, sub_length)); + EXPECT_EQ(kBufferPointer + sub_offset, + range.GetData(sub_offset, sub_length)); + EXPECT_EQ(kBufferPointer + sub_offset, subrange.data()); + EXPECT_EQ(sub_length, subrange.length()); + } else { + EXPECT_FALSE(range.Covers(sub_offset, sub_length)); + EXPECT_EQ(NULL, range.GetData(sub_offset, sub_length)); + EXPECT_EQ(NULL, subrange.data()); + EXPECT_EQ(0U, subrange.length()); + } + } +} + +TEST(MemoryRangeTest, GetDataWithTemplateType) { + MemoryRange range(kBuffer, kBufferSize); + const char* char_pointer = range.GetData(0); + EXPECT_EQ(reinterpret_cast(kBufferPointer), char_pointer); + const int* int_pointer = range.GetData(0); + EXPECT_EQ(reinterpret_cast(kBufferPointer), int_pointer); +} + +TEST(MemoryRangeTest, GetArrayElement) { + MemoryRange range(kBuffer, kBufferSize); + for (size_t i = 0; i < kNumElements; ++i) { + size_t element_offset = kElements[i].offset; + size_t element_size = kElements[i].size; + unsigned element_index = kElements[i].index; + const void* const element_pointer = kElements[i].pointer; + SCOPED_TRACE(Message() << "offset=" << element_offset + << ", size=" << element_size + << ", index=" << element_index); + EXPECT_EQ(element_pointer, range.GetArrayElement( + element_offset, element_size, element_index)); + } +} + +TEST(MemoryRangeTest, GetArrayElmentWithTemplateType) { + MemoryRange range(kBuffer, kBufferSize); + const char* char_pointer = range.GetArrayElement(0, 0); + EXPECT_EQ(reinterpret_cast(kBufferPointer), char_pointer); + const int* int_pointer = range.GetArrayElement(0, 0); + EXPECT_EQ(reinterpret_cast(kBufferPointer), int_pointer); +} diff --git a/google-breakpad/src/common/memory_unittest.cc b/google-breakpad/src/common/memory_unittest.cc new file mode 100644 index 0000000..69d9f8a --- /dev/null +++ b/google-breakpad/src/common/memory_unittest.cc @@ -0,0 +1,89 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "breakpad_googletest_includes.h" +#include "common/memory.h" + +using namespace google_breakpad; + +namespace { +typedef testing::Test PageAllocatorTest; +} + +TEST(PageAllocatorTest, Setup) { + PageAllocator allocator; +} + +TEST(PageAllocatorTest, SmallObjects) { + PageAllocator allocator; + + for (unsigned i = 1; i < 1024; ++i) { + uint8_t *p = reinterpret_cast(allocator.Alloc(i)); + ASSERT_FALSE(p == NULL); + memset(p, 0, i); + } +} + +TEST(PageAllocatorTest, LargeObject) { + PageAllocator allocator; + + uint8_t *p = reinterpret_cast(allocator.Alloc(10000)); + ASSERT_FALSE(p == NULL); + for (unsigned i = 1; i < 10; ++i) { + uint8_t *p = reinterpret_cast(allocator.Alloc(i)); + ASSERT_FALSE(p == NULL); + memset(p, 0, i); + } +} + +namespace { +typedef testing::Test WastefulVectorTest; +} + +TEST(WastefulVectorTest, Setup) { + PageAllocator allocator_; + wasteful_vector v(&allocator_); + ASSERT_TRUE(v.empty()); + ASSERT_EQ(v.size(), 0u); +} + +TEST(WastefulVectorTest, Simple) { + PageAllocator allocator_; + wasteful_vector v(&allocator_); + + for (unsigned i = 0; i < 256; ++i) { + v.push_back(i); + ASSERT_EQ(i, v.back()); + ASSERT_EQ(&v.back(), &v[i]); + } + ASSERT_FALSE(v.empty()); + ASSERT_EQ(v.size(), 256u); + for (unsigned i = 0; i < 256; ++i) + ASSERT_EQ(v[i], i); +} diff --git a/google-breakpad/src/common/module.cc b/google-breakpad/src/common/module.cc new file mode 100644 index 0000000..2d2e4ef --- /dev/null +++ b/google-breakpad/src/common/module.cc @@ -0,0 +1,294 @@ +// Copyright (c) 2011 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// module.cc: Implement google_breakpad::Module. See module.h. + +#include "common/module.h" + +#include +#include +#include +#include + +#include +#include + +namespace google_breakpad { + +using std::dec; +using std::endl; +using std::hex; + + +Module::Module(const string &name, const string &os, + const string &architecture, const string &id) : + name_(name), + os_(os), + architecture_(architecture), + id_(id), + load_address_(0) { } + +Module::~Module() { + for (FileByNameMap::iterator it = files_.begin(); it != files_.end(); ++it) + delete it->second; + for (FunctionSet::iterator it = functions_.begin(); + it != functions_.end(); ++it) { + delete *it; + } + for (vector::iterator it = stack_frame_entries_.begin(); + it != stack_frame_entries_.end(); ++it) { + delete *it; + } + for (ExternSet::iterator it = externs_.begin(); it != externs_.end(); ++it) + delete *it; +} + +void Module::SetLoadAddress(Address address) { + load_address_ = address; +} + +void Module::AddFunction(Function *function) { + // FUNC lines must not hold an empty name, so catch the problem early if + // callers try to add one. + assert(!function->name.empty()); + std::pair ret = functions_.insert(function); + if (!ret.second) { + // Free the duplicate that was not inserted because this Module + // now owns it. + delete function; + } +} + +void Module::AddFunctions(vector::iterator begin, + vector::iterator end) { + for (vector::iterator it = begin; it != end; ++it) + AddFunction(*it); +} + +void Module::AddStackFrameEntry(StackFrameEntry *stack_frame_entry) { + stack_frame_entries_.push_back(stack_frame_entry); +} + +void Module::AddExtern(Extern *ext) { + std::pair ret = externs_.insert(ext); + if (!ret.second) { + // Free the duplicate that was not inserted because this Module + // now owns it. + delete ext; + } +} + +void Module::GetFunctions(vector *vec, + vector::iterator i) { + vec->insert(i, functions_.begin(), functions_.end()); +} + +void Module::GetExterns(vector *vec, + vector::iterator i) { + vec->insert(i, externs_.begin(), externs_.end()); +} + +Module::File *Module::FindFile(const string &name) { + // A tricky bit here. The key of each map entry needs to be a + // pointer to the entry's File's name string. This means that we + // can't do the initial lookup with any operation that would create + // an empty entry for us if the name isn't found (like, say, + // operator[] or insert do), because such a created entry's key will + // be a pointer the string passed as our argument. Since the key of + // a map's value type is const, we can't fix it up once we've + // created our file. lower_bound does the lookup without doing an + // insertion, and returns a good hint iterator to pass to insert. + // Our "destiny" is where we belong, whether we're there or not now. + FileByNameMap::iterator destiny = files_.lower_bound(&name); + if (destiny == files_.end() + || *destiny->first != name) { // Repeated string comparison, boo hoo. + File *file = new File; + file->name = name; + file->source_id = -1; + destiny = files_.insert(destiny, + FileByNameMap::value_type(&file->name, file)); + } + return destiny->second; +} + +Module::File *Module::FindFile(const char *name) { + string name_string = name; + return FindFile(name_string); +} + +Module::File *Module::FindExistingFile(const string &name) { + FileByNameMap::iterator it = files_.find(&name); + return (it == files_.end()) ? NULL : it->second; +} + +void Module::GetFiles(vector *vec) { + vec->clear(); + for (FileByNameMap::iterator it = files_.begin(); it != files_.end(); ++it) + vec->push_back(it->second); +} + +void Module::GetStackFrameEntries(vector *vec) { + *vec = stack_frame_entries_; +} + +void Module::AssignSourceIds() { + // First, give every source file an id of -1. + for (FileByNameMap::iterator file_it = files_.begin(); + file_it != files_.end(); ++file_it) { + file_it->second->source_id = -1; + } + + // Next, mark all files actually cited by our functions' line number + // info, by setting each one's source id to zero. + for (FunctionSet::const_iterator func_it = functions_.begin(); + func_it != functions_.end(); ++func_it) { + Function *func = *func_it; + for (vector::iterator line_it = func->lines.begin(); + line_it != func->lines.end(); ++line_it) + line_it->file->source_id = 0; + } + + // Finally, assign source ids to those files that have been marked. + // We could have just assigned source id numbers while traversing + // the line numbers, but doing it this way numbers the files in + // lexicographical order by name, which is neat. + int next_source_id = 0; + for (FileByNameMap::iterator file_it = files_.begin(); + file_it != files_.end(); ++file_it) { + if (!file_it->second->source_id) + file_it->second->source_id = next_source_id++; + } +} + +bool Module::ReportError() { + fprintf(stderr, "error writing symbol file: %s\n", + strerror(errno)); + return false; +} + +bool Module::WriteRuleMap(const RuleMap &rule_map, std::ostream &stream) { + for (RuleMap::const_iterator it = rule_map.begin(); + it != rule_map.end(); ++it) { + if (it != rule_map.begin()) + stream << ' '; + stream << it->first << ": " << it->second; + } + return stream.good(); +} + +bool Module::Write(std::ostream &stream, SymbolData symbol_data) { + stream << "MODULE " << os_ << " " << architecture_ << " " + << id_ << " " << name_ << endl; + if (!stream.good()) + return ReportError(); + + if (symbol_data != ONLY_CFI) { + AssignSourceIds(); + + // Write out files. + for (FileByNameMap::iterator file_it = files_.begin(); + file_it != files_.end(); ++file_it) { + File *file = file_it->second; + if (file->source_id >= 0) { + stream << "FILE " << file->source_id << " " << file->name << endl; + if (!stream.good()) + return ReportError(); + } + } + + // Write out functions and their lines. + for (FunctionSet::const_iterator func_it = functions_.begin(); + func_it != functions_.end(); ++func_it) { + Function *func = *func_it; + stream << "FUNC " << hex + << (func->address - load_address_) << " " + << func->size << " " + << func->parameter_size << " " + << func->name << dec << endl; + if (!stream.good()) + return ReportError(); + + for (vector::iterator line_it = func->lines.begin(); + line_it != func->lines.end(); ++line_it) { + stream << hex + << (line_it->address - load_address_) << " " + << line_it->size << " " + << dec + << line_it->number << " " + << line_it->file->source_id << endl; + if (!stream.good()) + return ReportError(); + } + } + + // Write out 'PUBLIC' records. + for (ExternSet::const_iterator extern_it = externs_.begin(); + extern_it != externs_.end(); ++extern_it) { + Extern *ext = *extern_it; + stream << "PUBLIC " << hex + << (ext->address - load_address_) << " 0 " + << ext->name << dec << endl; + } + } + + if (symbol_data != NO_CFI) { + // Write out 'STACK CFI INIT' and 'STACK CFI' records. + vector::const_iterator frame_it; + for (frame_it = stack_frame_entries_.begin(); + frame_it != stack_frame_entries_.end(); ++frame_it) { + StackFrameEntry *entry = *frame_it; + stream << "STACK CFI INIT " << hex + << (entry->address - load_address_) << " " + << entry->size << " " << dec; + if (!stream.good() + || !WriteRuleMap(entry->initial_rules, stream)) + return ReportError(); + + stream << endl; + + // Write out this entry's delta rules as 'STACK CFI' records. + for (RuleChangeMap::const_iterator delta_it = entry->rule_changes.begin(); + delta_it != entry->rule_changes.end(); ++delta_it) { + stream << "STACK CFI " << hex + << (delta_it->first - load_address_) << " " << dec; + if (!stream.good() + || !WriteRuleMap(delta_it->second, stream)) + return ReportError(); + + stream << endl; + } + } + } + + return true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/module.h b/google-breakpad/src/common/module.h new file mode 100644 index 0000000..398bc31 --- /dev/null +++ b/google-breakpad/src/common/module.h @@ -0,0 +1,324 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// module.h: Define google_breakpad::Module. A Module holds debugging +// information, and can write that information out as a Breakpad +// symbol file. + +#ifndef COMMON_LINUX_MODULE_H__ +#define COMMON_LINUX_MODULE_H__ + +#include +#include +#include +#include +#include + +#include "common/symbol_data.h" +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +using std::set; +using std::vector; +using std::map; + +// A Module represents the contents of a module, and supports methods +// for adding information produced by parsing STABS or DWARF data +// --- possibly both from the same file --- and then writing out the +// unified contents as a Breakpad-format symbol file. +class Module { + public: + // The type of addresses and sizes in a symbol table. + typedef uint64_t Address; + struct File; + struct Function; + struct Line; + struct Extern; + + // Addresses appearing in File, Function, and Line structures are + // absolute, not relative to the the module's load address. That + // is, if the module were loaded at its nominal load address, the + // addresses would be correct. + + // A source file. + struct File { + // The name of the source file. + string name; + + // The file's source id. The Write member function clears this + // field and assigns source ids a fresh, so any value placed here + // before calling Write will be lost. + int source_id; + }; + + // A function. + struct Function { + // For sorting by address. (Not style-guide compliant, but it's + // stupid not to put this in the struct.) + static bool CompareByAddress(const Function *x, const Function *y) { + return x->address < y->address; + } + + // The function's name. + string name; + + // The start address and length of the function's code. + Address address, size; + + // The function's parameter size. + Address parameter_size; + + // Source lines belonging to this function, sorted by increasing + // address. + vector lines; + }; + + // A source line. + struct Line { + // For sorting by address. (Not style-guide compliant, but it's + // stupid not to put this in the struct.) + static bool CompareByAddress(const Module::Line &x, const Module::Line &y) { + return x.address < y.address; + } + + Address address, size; // The address and size of the line's code. + File *file; // The source file. + int number; // The source line number. + }; + + // An exported symbol. + struct Extern { + Address address; + string name; + }; + + // A map from register names to postfix expressions that recover + // their their values. This can represent a complete set of rules to + // follow at some address, or a set of changes to be applied to an + // extant set of rules. + typedef map RuleMap; + + // A map from addresses to RuleMaps, representing changes that take + // effect at given addresses. + typedef map RuleChangeMap; + + // A range of 'STACK CFI' stack walking information. An instance of + // this structure corresponds to a 'STACK CFI INIT' record and the + // subsequent 'STACK CFI' records that fall within its range. + struct StackFrameEntry { + // The starting address and number of bytes of machine code this + // entry covers. + Address address, size; + + // The initial register recovery rules, in force at the starting + // address. + RuleMap initial_rules; + + // A map from addresses to rule changes. To find the rules in + // force at a given address, start with initial_rules, and then + // apply the changes given in this map for all addresses up to and + // including the address you're interested in. + RuleChangeMap rule_changes; + }; + + struct FunctionCompare { + bool operator() (const Function *lhs, + const Function *rhs) const { + if (lhs->address == rhs->address) + return lhs->name < rhs->name; + return lhs->address < rhs->address; + } + }; + + struct ExternCompare { + bool operator() (const Extern *lhs, + const Extern *rhs) const { + return lhs->address < rhs->address; + } + }; + + // Create a new module with the given name, operating system, + // architecture, and ID string. + Module(const string &name, const string &os, const string &architecture, + const string &id); + ~Module(); + + // Set the module's load address to LOAD_ADDRESS; addresses given + // for functions and lines will be written to the Breakpad symbol + // file as offsets from this address. Construction initializes this + // module's load address to zero: addresses written to the symbol + // file will be the same as they appear in the Function, Line, and + // StackFrameEntry structures. + // + // Note that this member function has no effect on addresses stored + // in the data added to this module; the Write member function + // simply subtracts off the load address from addresses before it + // prints them. Only the last load address given before calling + // Write is used. + void SetLoadAddress(Address load_address); + + // Add FUNCTION to the module. FUNCTION's name must not be empty. + // This module owns all Function objects added with this function: + // destroying the module destroys them as well. + void AddFunction(Function *function); + + // Add all the functions in [BEGIN,END) to the module. + // This module owns all Function objects added with this function: + // destroying the module destroys them as well. + void AddFunctions(vector::iterator begin, + vector::iterator end); + + // Add STACK_FRAME_ENTRY to the module. + // This module owns all StackFrameEntry objects added with this + // function: destroying the module destroys them as well. + void AddStackFrameEntry(StackFrameEntry *stack_frame_entry); + + // Add PUBLIC to the module. + // This module owns all Extern objects added with this function: + // destroying the module destroys them as well. + void AddExtern(Extern *ext); + + // If this module has a file named NAME, return a pointer to it. If + // it has none, then create one and return a pointer to the new + // file. This module owns all File objects created using these + // functions; destroying the module destroys them as well. + File *FindFile(const string &name); + File *FindFile(const char *name); + + // If this module has a file named NAME, return a pointer to it. + // Otherwise, return NULL. + File *FindExistingFile(const string &name); + + // Insert pointers to the functions added to this module at I in + // VEC. The pointed-to Functions are still owned by this module. + // (Since this is effectively a copy of the function list, this is + // mostly useful for testing; other uses should probably get a more + // appropriate interface.) + void GetFunctions(vector *vec, vector::iterator i); + + // Insert pointers to the externs added to this module at I in + // VEC. The pointed-to Externs are still owned by this module. + // (Since this is effectively a copy of the extern list, this is + // mostly useful for testing; other uses should probably get a more + // appropriate interface.) + void GetExterns(vector *vec, vector::iterator i); + + // Clear VEC and fill it with pointers to the Files added to this + // module, sorted by name. The pointed-to Files are still owned by + // this module. (Since this is effectively a copy of the file list, + // this is mostly useful for testing; other uses should probably get + // a more appropriate interface.) + void GetFiles(vector *vec); + + // Clear VEC and fill it with pointers to the StackFrameEntry + // objects that have been added to this module. (Since this is + // effectively a copy of the stack frame entry list, this is mostly + // useful for testing; other uses should probably get + // a more appropriate interface.) + void GetStackFrameEntries(vector *vec); + + // Find those files in this module that are actually referred to by + // functions' line number data, and assign them source id numbers. + // Set the source id numbers for all other files --- unused by the + // source line data --- to -1. We do this before writing out the + // symbol file, at which point we omit any unused files. + void AssignSourceIds(); + + // Call AssignSourceIds, and write this module to STREAM in the + // breakpad symbol format. Return true if all goes well, or false if + // an error occurs. This method writes out: + // - a header based on the values given to the constructor, + // If symbol_data is not ONLY_CFI then: + // - the source files added via FindFile, + // - the functions added via AddFunctions, each with its lines, + // - all public records, + // If symbol_data is not NO_CFI then: + // - all CFI records. + // Addresses in the output are all relative to the load address + // established by SetLoadAddress. + bool Write(std::ostream &stream, SymbolData symbol_data); + + private: + // Report an error that has occurred writing the symbol file, using + // errno to find the appropriate cause. Return false. + static bool ReportError(); + + // Write RULE_MAP to STREAM, in the form appropriate for 'STACK CFI' + // records, without a final newline. Return true if all goes well; + // if an error occurs, return false, and leave errno set. + static bool WriteRuleMap(const RuleMap &rule_map, std::ostream &stream); + + // Module header entries. + string name_, os_, architecture_, id_; + + // The module's nominal load address. Addresses for functions and + // lines are absolute, assuming the module is loaded at this + // address. + Address load_address_; + + // Relation for maps whose keys are strings shared with some other + // structure. + struct CompareStringPtrs { + bool operator()(const string *x, const string *y) const { return *x < *y; } + }; + + // A map from filenames to File structures. The map's keys are + // pointers to the Files' names. + typedef map FileByNameMap; + + // A set containing Function structures, sorted by address. + typedef set FunctionSet; + + // A set containing Extern structures, sorted by address. + typedef set ExternSet; + + // The module owns all the files and functions that have been added + // to it; destroying the module frees the Files and Functions these + // point to. + FileByNameMap files_; // This module's source files. + FunctionSet functions_; // This module's functions. + + // The module owns all the call frame info entries that have been + // added to it. + vector stack_frame_entries_; + + // The module owns all the externs that have been added to it; + // destroying the module frees the Externs these point to. + ExternSet externs_; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_MODULE_H__ diff --git a/google-breakpad/src/common/module_unittest.cc b/google-breakpad/src/common/module_unittest.cc new file mode 100644 index 0000000..5c0c697 --- /dev/null +++ b/google-breakpad/src/common/module_unittest.cc @@ -0,0 +1,490 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// module_unittest.cc: Unit tests for google_breakpad::Module. + +#include +#include +#include +#include + +#include +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/module.h" +#include "common/using_std_string.h" + +using google_breakpad::Module; +using std::stringstream; +using std::vector; +using testing::ContainerEq; + +static Module::Function *generate_duplicate_function(const string &name) { + const Module::Address DUP_ADDRESS = 0xd35402aac7a7ad5cLL; + const Module::Address DUP_SIZE = 0x200b26e605f99071LL; + const Module::Address DUP_PARAMETER_SIZE = 0xf14ac4fed48c4a99LL; + + Module::Function *function = new(Module::Function); + function->name = name; + function->address = DUP_ADDRESS; + function->size = DUP_SIZE; + function->parameter_size = DUP_PARAMETER_SIZE; + return function; +} + +#define MODULE_NAME "name with spaces" +#define MODULE_OS "os-name" +#define MODULE_ARCH "architecture" +#define MODULE_ID "id-string" + +TEST(Write, Header) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n", + contents.c_str()); +} + +TEST(Write, OneLineFunc) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + Module::File *file = m.FindFile("file_name.cc"); + Module::Function *function = new(Module::Function); + function->name = "function_name"; + function->address = 0xe165bf8023b9d9abLL; + function->size = 0x1e4bb0eb1cbf5b09LL; + function->parameter_size = 0x772beee89114358aLL; + Module::Line line = { 0xe165bf8023b9d9abLL, 0x1e4bb0eb1cbf5b09LL, + file, 67519080 }; + function->lines.push_back(line); + m.AddFunction(function); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 file_name.cc\n" + "FUNC e165bf8023b9d9ab 1e4bb0eb1cbf5b09 772beee89114358a" + " function_name\n" + "e165bf8023b9d9ab 1e4bb0eb1cbf5b09 67519080 0\n", + contents.c_str()); +} + +TEST(Write, RelativeLoadAddress) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Some source files. We will expect to see them in lexicographic order. + Module::File *file1 = m.FindFile("filename-b.cc"); + Module::File *file2 = m.FindFile("filename-a.cc"); + + // A function. + Module::Function *function = new(Module::Function); + function->name = "A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)"; + function->address = 0xbec774ea5dd935f3LL; + function->size = 0x2922088f98d3f6fcLL; + function->parameter_size = 0xe5e9aa008bd5f0d0LL; + + // Some source lines. The module should not sort these. + Module::Line line1 = { 0xbec774ea5dd935f3LL, 0x1c2be6d6c5af2611LL, + file1, 41676901 }; + Module::Line line2 = { 0xdaf35bc123885c04LL, 0xcf621b8d324d0ebLL, + file2, 67519080 }; + function->lines.push_back(line2); + function->lines.push_back(line1); + + m.AddFunction(function); + + // Some stack information. + Module::StackFrameEntry *entry = new Module::StackFrameEntry(); + entry->address = 0x30f9e5c83323973dULL; + entry->size = 0x49fc9ca7c7c13dc2ULL; + entry->initial_rules[".cfa"] = "he was a handsome man"; + entry->initial_rules["and"] = "what i want to know is"; + entry->rule_changes[0x30f9e5c83323973eULL]["how"] = + "do you like your blueeyed boy"; + entry->rule_changes[0x30f9e5c83323973eULL]["Mister"] = "Death"; + m.AddStackFrameEntry(entry); + + // Set the load address. Doing this after adding all the data to + // the module must work fine. + m.SetLoadAddress(0x2ab698b0b6407073LL); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 filename-a.cc\n" + "FILE 1 filename-b.cc\n" + "FUNC 9410dc39a798c580 2922088f98d3f6fc e5e9aa008bd5f0d0" + " A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)\n" + "b03cc3106d47eb91 cf621b8d324d0eb 67519080 0\n" + "9410dc39a798c580 1c2be6d6c5af2611 41676901 1\n" + "STACK CFI INIT 6434d177ce326ca 49fc9ca7c7c13dc2" + " .cfa: he was a handsome man" + " and: what i want to know is\n" + "STACK CFI 6434d177ce326cb" + " Mister: Death" + " how: do you like your blueeyed boy\n", + contents.c_str()); +} + +TEST(Write, OmitUnusedFiles) { + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Create some source files. + Module::File *file1 = m.FindFile("filename1"); + m.FindFile("filename2"); // not used by any line + Module::File *file3 = m.FindFile("filename3"); + + // Create a function. + Module::Function *function = new(Module::Function); + function->name = "function_name"; + function->address = 0x9b926d464f0b9384LL; + function->size = 0x4f524a4ba795e6a6LL; + function->parameter_size = 0xbbe8133a6641c9b7LL; + + // Source files that refer to some files, but not others. + Module::Line line1 = { 0x595fa44ebacc1086LL, 0x1e1e0191b066c5b3LL, + file1, 137850127 }; + Module::Line line2 = { 0x401ce8c8a12d25e3LL, 0x895751c41b8d2ce2LL, + file3, 28113549 }; + function->lines.push_back(line1); + function->lines.push_back(line2); + m.AddFunction(function); + + m.AssignSourceIds(); + + vector vec; + m.GetFiles(&vec); + EXPECT_EQ((size_t) 3, vec.size()); + EXPECT_STREQ("filename1", vec[0]->name.c_str()); + EXPECT_NE(-1, vec[0]->source_id); + // Expect filename2 not to be used. + EXPECT_STREQ("filename2", vec[1]->name.c_str()); + EXPECT_EQ(-1, vec[1]->source_id); + EXPECT_STREQ("filename3", vec[2]->name.c_str()); + EXPECT_NE(-1, vec[2]->source_id); + + stringstream s; + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 filename1\n" + "FILE 1 filename3\n" + "FUNC 9b926d464f0b9384 4f524a4ba795e6a6 bbe8133a6641c9b7" + " function_name\n" + "595fa44ebacc1086 1e1e0191b066c5b3 137850127 0\n" + "401ce8c8a12d25e3 895751c41b8d2ce2 28113549 1\n", + contents.c_str()); +} + +TEST(Write, NoCFI) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Some source files. We will expect to see them in lexicographic order. + Module::File *file1 = m.FindFile("filename.cc"); + + // A function. + Module::Function *function = new(Module::Function); + function->name = "A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)"; + function->address = 0xbec774ea5dd935f3LL; + function->size = 0x2922088f98d3f6fcLL; + function->parameter_size = 0xe5e9aa008bd5f0d0LL; + + // Some source lines. The module should not sort these. + Module::Line line1 = { 0xbec774ea5dd935f3LL, 0x1c2be6d6c5af2611LL, + file1, 41676901 }; + function->lines.push_back(line1); + + m.AddFunction(function); + + // Some stack information. + Module::StackFrameEntry *entry = new Module::StackFrameEntry(); + entry->address = 0x30f9e5c83323973dULL; + entry->size = 0x49fc9ca7c7c13dc2ULL; + entry->initial_rules[".cfa"] = "he was a handsome man"; + entry->initial_rules["and"] = "what i want to know is"; + entry->rule_changes[0x30f9e5c83323973eULL]["how"] = + "do you like your blueeyed boy"; + entry->rule_changes[0x30f9e5c83323973eULL]["Mister"] = "Death"; + m.AddStackFrameEntry(entry); + + // Set the load address. Doing this after adding all the data to + // the module must work fine. + m.SetLoadAddress(0x2ab698b0b6407073LL); + + m.Write(s, NO_CFI); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 filename.cc\n" + "FUNC 9410dc39a798c580 2922088f98d3f6fc e5e9aa008bd5f0d0" + " A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)\n" + "9410dc39a798c580 1c2be6d6c5af2611 41676901 0\n", + contents.c_str()); +} + +TEST(Construct, AddFunctions) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two functions. + Module::Function *function1 = new(Module::Function); + function1->name = "_without_form"; + function1->address = 0xd35024aa7ca7da5cLL; + function1->size = 0x200b26e605f99071LL; + function1->parameter_size = 0xf14ac4fed48c4a99LL; + + Module::Function *function2 = new(Module::Function); + function2->name = "_and_void"; + function2->address = 0x2987743d0b35b13fLL; + function2->size = 0xb369db048deb3010LL; + function2->parameter_size = 0x938e556cb5a79988LL; + + // Put them in a vector. + vector vec; + vec.push_back(function1); + vec.push_back(function2); + + m.AddFunctions(vec.begin(), vec.end()); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FUNC 2987743d0b35b13f b369db048deb3010 938e556cb5a79988" + " _and_void\n" + "FUNC d35024aa7ca7da5c 200b26e605f99071 f14ac4fed48c4a99" + " _without_form\n", + contents.c_str()); + + // Check that m.GetFunctions returns the functions we expect. + vec.clear(); + m.GetFunctions(&vec, vec.end()); + EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function1)); + EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function2)); + EXPECT_EQ((size_t) 2, vec.size()); +} + +TEST(Construct, AddFrames) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // First STACK CFI entry, with no initial rules or deltas. + Module::StackFrameEntry *entry1 = new Module::StackFrameEntry(); + entry1->address = 0xddb5f41285aa7757ULL; + entry1->size = 0x1486493370dc5073ULL; + m.AddStackFrameEntry(entry1); + + // Second STACK CFI entry, with initial rules but no deltas. + Module::StackFrameEntry *entry2 = new Module::StackFrameEntry(); + entry2->address = 0x8064f3af5e067e38ULL; + entry2->size = 0x0de2a5ee55509407ULL; + entry2->initial_rules[".cfa"] = "I think that I shall never see"; + entry2->initial_rules["stromboli"] = "a poem lovely as a tree"; + entry2->initial_rules["cannoli"] = "a tree whose hungry mouth is prest"; + m.AddStackFrameEntry(entry2); + + // Third STACK CFI entry, with initial rules and deltas. + Module::StackFrameEntry *entry3 = new Module::StackFrameEntry(); + entry3->address = 0x5e8d0db0a7075c6cULL; + entry3->size = 0x1c7edb12a7aea229ULL; + entry3->initial_rules[".cfa"] = "Whose woods are these"; + entry3->rule_changes[0x47ceb0f63c269d7fULL]["calzone"] = + "the village though"; + entry3->rule_changes[0x47ceb0f63c269d7fULL]["cannoli"] = + "he will not see me stopping here"; + entry3->rule_changes[0x36682fad3763ffffULL]["stromboli"] = + "his house is in"; + entry3->rule_changes[0x36682fad3763ffffULL][".cfa"] = + "I think I know"; + m.AddStackFrameEntry(entry3); + + // Check that Write writes STACK CFI records properly. + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "STACK CFI INIT ddb5f41285aa7757 1486493370dc5073 \n" + "STACK CFI INIT 8064f3af5e067e38 de2a5ee55509407" + " .cfa: I think that I shall never see" + " cannoli: a tree whose hungry mouth is prest" + " stromboli: a poem lovely as a tree\n" + "STACK CFI INIT 5e8d0db0a7075c6c 1c7edb12a7aea229" + " .cfa: Whose woods are these\n" + "STACK CFI 36682fad3763ffff" + " .cfa: I think I know" + " stromboli: his house is in\n" + "STACK CFI 47ceb0f63c269d7f" + " calzone: the village though" + " cannoli: he will not see me stopping here\n", + contents.c_str()); + + // Check that GetStackFrameEntries works. + vector entries; + m.GetStackFrameEntries(&entries); + ASSERT_EQ(3U, entries.size()); + // Check first entry. + EXPECT_EQ(0xddb5f41285aa7757ULL, entries[0]->address); + EXPECT_EQ(0x1486493370dc5073ULL, entries[0]->size); + ASSERT_EQ(0U, entries[0]->initial_rules.size()); + ASSERT_EQ(0U, entries[0]->rule_changes.size()); + // Check second entry. + EXPECT_EQ(0x8064f3af5e067e38ULL, entries[1]->address); + EXPECT_EQ(0x0de2a5ee55509407ULL, entries[1]->size); + ASSERT_EQ(3U, entries[1]->initial_rules.size()); + Module::RuleMap entry2_initial; + entry2_initial[".cfa"] = "I think that I shall never see"; + entry2_initial["stromboli"] = "a poem lovely as a tree"; + entry2_initial["cannoli"] = "a tree whose hungry mouth is prest"; + EXPECT_THAT(entries[1]->initial_rules, ContainerEq(entry2_initial)); + ASSERT_EQ(0U, entries[1]->rule_changes.size()); + // Check third entry. + EXPECT_EQ(0x5e8d0db0a7075c6cULL, entries[2]->address); + EXPECT_EQ(0x1c7edb12a7aea229ULL, entries[2]->size); + Module::RuleMap entry3_initial; + entry3_initial[".cfa"] = "Whose woods are these"; + EXPECT_THAT(entries[2]->initial_rules, ContainerEq(entry3_initial)); + Module::RuleChangeMap entry3_changes; + entry3_changes[0x36682fad3763ffffULL][".cfa"] = "I think I know"; + entry3_changes[0x36682fad3763ffffULL]["stromboli"] = "his house is in"; + entry3_changes[0x47ceb0f63c269d7fULL]["calzone"] = "the village though"; + entry3_changes[0x47ceb0f63c269d7fULL]["cannoli"] = + "he will not see me stopping here"; + EXPECT_THAT(entries[2]->rule_changes, ContainerEq(entry3_changes)); +} + +TEST(Construct, UniqueFiles) { + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + Module::File *file1 = m.FindFile("foo"); + Module::File *file2 = m.FindFile(string("bar")); + Module::File *file3 = m.FindFile(string("foo")); + Module::File *file4 = m.FindFile("bar"); + EXPECT_NE(file1, file2); + EXPECT_EQ(file1, file3); + EXPECT_EQ(file2, file4); + EXPECT_EQ(file1, m.FindExistingFile("foo")); + EXPECT_TRUE(m.FindExistingFile("baz") == NULL); +} + +TEST(Construct, DuplicateFunctions) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two functions. + Module::Function *function1 = generate_duplicate_function("_without_form"); + Module::Function *function2 = generate_duplicate_function("_without_form"); + + m.AddFunction(function1); + m.AddFunction(function2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99" + " _without_form\n", + contents.c_str()); +} + +TEST(Construct, FunctionsWithSameAddress) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two functions. + Module::Function *function1 = generate_duplicate_function("_without_form"); + Module::Function *function2 = generate_duplicate_function("_and_void"); + + m.AddFunction(function1); + m.AddFunction(function2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99" + " _and_void\n" + "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99" + " _without_form\n", + contents.c_str()); +} + +// Externs should be written out as PUBLIC records, sorted by +// address. +TEST(Construct, Externs) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two externs. + Module::Extern *extern1 = new(Module::Extern); + extern1->address = 0xffff; + extern1->name = "_abc"; + Module::Extern *extern2 = new(Module::Extern); + extern2->address = 0xaaaa; + extern2->name = "_xyz"; + + m.AddExtern(extern1); + m.AddExtern(extern2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + + EXPECT_STREQ("MODULE " MODULE_OS " " MODULE_ARCH " " + MODULE_ID " " MODULE_NAME "\n" + "PUBLIC aaaa 0 _xyz\n" + "PUBLIC ffff 0 _abc\n", + contents.c_str()); +} + +// Externs with the same address should only keep the first entry +// added. +TEST(Construct, DuplicateExterns) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two externs. + Module::Extern *extern1 = new(Module::Extern); + extern1->address = 0xffff; + extern1->name = "_xyz"; + Module::Extern *extern2 = new(Module::Extern); + extern2->address = 0xffff; + extern2->name = "_abc"; + + m.AddExtern(extern1); + m.AddExtern(extern2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + + EXPECT_STREQ("MODULE " MODULE_OS " " MODULE_ARCH " " + MODULE_ID " " MODULE_NAME "\n" + "PUBLIC ffff 0 _xyz\n", + contents.c_str()); +} diff --git a/google-breakpad/src/common/scoped_ptr.h b/google-breakpad/src/common/scoped_ptr.h new file mode 100644 index 0000000..2dbc40d --- /dev/null +++ b/google-breakpad/src/common/scoped_ptr.h @@ -0,0 +1,335 @@ +// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999. +// Copyright (c) 2001, 2002 Peter Dimov +// +// Permission to copy, use, modify, sell and distribute this software +// is granted provided this copyright notice appears in all copies. +// This software is provided "as is" without express or implied +// warranty, and with no claim as to its suitability for any purpose. +// +// See http://www.boost.org/libs/smart_ptr/scoped_ptr.htm for documentation. +// + +// scoped_ptr mimics a built-in pointer except that it guarantees deletion +// of the object pointed to, either on destruction of the scoped_ptr or via +// an explicit reset(). scoped_ptr is a simple solution for simple needs; +// use shared_ptr or std::auto_ptr if your needs are more complex. + +// *** NOTE *** +// If your scoped_ptr is a class member of class FOO pointing to a +// forward declared type BAR (as shown below), then you MUST use a non-inlined +// version of the destructor. The destructor of a scoped_ptr (called from +// FOO's destructor) must have a complete definition of BAR in order to +// destroy it. Example: +// +// -- foo.h -- +// class BAR; +// +// class FOO { +// public: +// FOO(); +// ~FOO(); // Required for sources that instantiate class FOO to compile! +// +// private: +// scoped_ptr bar_; +// }; +// +// -- foo.cc -- +// #include "foo.h" +// FOO::~FOO() {} // Empty, but must be non-inlined to FOO's class definition. + +// scoped_ptr_malloc added by Google +// When one of these goes out of scope, instead of doing a delete or +// delete[], it calls free(). scoped_ptr_malloc is likely to see +// much more use than any other specializations. + +// release() added by Google +// Use this to conditionally transfer ownership of a heap-allocated object +// to the caller, usually on method success. + +#ifndef COMMON_SCOPED_PTR_H_ +#define COMMON_SCOPED_PTR_H_ + +#include // for std::ptrdiff_t +#include // for assert +#include // for free() decl + +namespace google_breakpad { + +template +class scoped_ptr { + private: + + T* ptr; + + scoped_ptr(scoped_ptr const &); + scoped_ptr & operator=(scoped_ptr const &); + + public: + + typedef T element_type; + + explicit scoped_ptr(T* p = 0): ptr(p) {} + + ~scoped_ptr() { + typedef char type_must_be_complete[sizeof(T)]; + delete ptr; + } + + void reset(T* p = 0) { + typedef char type_must_be_complete[sizeof(T)]; + + if (ptr != p) { + delete ptr; + ptr = p; + } + } + + T& operator*() const { + assert(ptr != 0); + return *ptr; + } + + T* operator->() const { + assert(ptr != 0); + return ptr; + } + + bool operator==(T* p) const { + return ptr == p; + } + + bool operator!=(T* p) const { + return ptr != p; + } + + T* get() const { + return ptr; + } + + void swap(scoped_ptr & b) { + T* tmp = b.ptr; + b.ptr = ptr; + ptr = tmp; + } + + T* release() { + T* tmp = ptr; + ptr = 0; + return tmp; + } + + private: + + // no reason to use these: each scoped_ptr should have its own object + template bool operator==(scoped_ptr const& p) const; + template bool operator!=(scoped_ptr const& p) const; +}; + +template inline +void swap(scoped_ptr& a, scoped_ptr& b) { + a.swap(b); +} + +template inline +bool operator==(T* p, const scoped_ptr& b) { + return p == b.get(); +} + +template inline +bool operator!=(T* p, const scoped_ptr& b) { + return p != b.get(); +} + +// scoped_array extends scoped_ptr to arrays. Deletion of the array pointed to +// is guaranteed, either on destruction of the scoped_array or via an explicit +// reset(). Use shared_array or std::vector if your needs are more complex. + +template +class scoped_array { + private: + + T* ptr; + + scoped_array(scoped_array const &); + scoped_array & operator=(scoped_array const &); + + public: + + typedef T element_type; + + explicit scoped_array(T* p = 0) : ptr(p) {} + + ~scoped_array() { + typedef char type_must_be_complete[sizeof(T)]; + delete[] ptr; + } + + void reset(T* p = 0) { + typedef char type_must_be_complete[sizeof(T)]; + + if (ptr != p) { + delete [] ptr; + ptr = p; + } + } + + T& operator[](std::ptrdiff_t i) const { + assert(ptr != 0); + assert(i >= 0); + return ptr[i]; + } + + bool operator==(T* p) const { + return ptr == p; + } + + bool operator!=(T* p) const { + return ptr != p; + } + + T* get() const { + return ptr; + } + + void swap(scoped_array & b) { + T* tmp = b.ptr; + b.ptr = ptr; + ptr = tmp; + } + + T* release() { + T* tmp = ptr; + ptr = 0; + return tmp; + } + + private: + + // no reason to use these: each scoped_array should have its own object + template bool operator==(scoped_array const& p) const; + template bool operator!=(scoped_array const& p) const; +}; + +template inline +void swap(scoped_array& a, scoped_array& b) { + a.swap(b); +} + +template inline +bool operator==(T* p, const scoped_array& b) { + return p == b.get(); +} + +template inline +bool operator!=(T* p, const scoped_array& b) { + return p != b.get(); +} + + +// This class wraps the c library function free() in a class that can be +// passed as a template argument to scoped_ptr_malloc below. +class ScopedPtrMallocFree { + public: + inline void operator()(void* x) const { + free(x); + } +}; + +// scoped_ptr_malloc<> is similar to scoped_ptr<>, but it accepts a +// second template argument, the functor used to free the object. + +template +class scoped_ptr_malloc { + private: + + T* ptr; + + scoped_ptr_malloc(scoped_ptr_malloc const &); + scoped_ptr_malloc & operator=(scoped_ptr_malloc const &); + + public: + + typedef T element_type; + + explicit scoped_ptr_malloc(T* p = 0): ptr(p) {} + + ~scoped_ptr_malloc() { + typedef char type_must_be_complete[sizeof(T)]; + free_((void*) ptr); + } + + void reset(T* p = 0) { + typedef char type_must_be_complete[sizeof(T)]; + + if (ptr != p) { + free_((void*) ptr); + ptr = p; + } + } + + T& operator*() const { + assert(ptr != 0); + return *ptr; + } + + T* operator->() const { + assert(ptr != 0); + return ptr; + } + + bool operator==(T* p) const { + return ptr == p; + } + + bool operator!=(T* p) const { + return ptr != p; + } + + T* get() const { + return ptr; + } + + void swap(scoped_ptr_malloc & b) { + T* tmp = b.ptr; + b.ptr = ptr; + ptr = tmp; + } + + T* release() { + T* tmp = ptr; + ptr = 0; + return tmp; + } + + private: + + // no reason to use these: each scoped_ptr_malloc should have its own object + template + bool operator==(scoped_ptr_malloc const& p) const; + template + bool operator!=(scoped_ptr_malloc const& p) const; + + static FreeProc const free_; +}; + +template +FP const scoped_ptr_malloc::free_ = FP(); + +template inline +void swap(scoped_ptr_malloc& a, scoped_ptr_malloc& b) { + a.swap(b); +} + +template inline +bool operator==(T* p, const scoped_ptr_malloc& b) { + return p == b.get(); +} + +template inline +bool operator!=(T* p, const scoped_ptr_malloc& b) { + return p != b.get(); +} + +} // namespace google_breakpad + +#endif // COMMON_SCOPED_PTR_H_ diff --git a/google-breakpad/src/common/simple_string_dictionary.cc b/google-breakpad/src/common/simple_string_dictionary.cc new file mode 100644 index 0000000..e0a74ce --- /dev/null +++ b/google-breakpad/src/common/simple_string_dictionary.cc @@ -0,0 +1,45 @@ +// Copyright (c) 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "common/simple_string_dictionary.h" + +namespace google_breakpad { + +namespace { + +// In C++98 (ISO 14882), section 9.5.1 says that a union cannot have a member +// with a non-trivial ctor, copy ctor, dtor, or assignment operator. Use this +// property to ensure that Entry remains POD. +union Compile_Assert { + NonAllocatingMap<1, 1, 1>::Entry Compile_Assert__entry_must_be_pod; +}; + +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/simple_string_dictionary.h b/google-breakpad/src/common/simple_string_dictionary.h new file mode 100644 index 0000000..e241aff --- /dev/null +++ b/google-breakpad/src/common/simple_string_dictionary.h @@ -0,0 +1,263 @@ +// Copyright (c) 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_SIMPLE_STRING_DICTIONARY_H_ +#define COMMON_SIMPLE_STRING_DICTIONARY_H_ + +#include +#include + +#include "common/basictypes.h" + +namespace google_breakpad { + +// Opaque type for the serialized representation of a NonAllocatingMap. One is +// created in NonAllocatingMap::Serialize and can be deserialized using one of +// the constructors. +struct SerializedNonAllocatingMap; + +// NonAllocatingMap is an implementation of a map/dictionary collection that +// uses a fixed amount of storage, so that it does not perform any dynamic +// allocations for its operations. +// +// The actual map storage (the Entry) is guaranteed to be POD, so that it can +// be transmitted over various IPC mechanisms. +// +// The template parameters control the amount of storage used for the key, +// value, and map. The KeySize and ValueSize are measured in bytes, not glyphs, +// and includes space for a \0 byte. This gives space for KeySize-1 and +// ValueSize-1 characters in an entry. NumEntries is the total number of +// entries that will fit in the map. +template +class NonAllocatingMap { + public: + // Constant and publicly accessible versions of the template parameters. + static const size_t key_size = KeySize; + static const size_t value_size = ValueSize; + static const size_t num_entries = NumEntries; + + // An Entry object is a single entry in the map. If the key is a 0-length + // NUL-terminated string, the entry is empty. + struct Entry { + char key[KeySize]; + char value[ValueSize]; + + bool is_active() const { + return key[0] != '\0'; + } + }; + + // An Iterator can be used to iterate over all the active entries in a + // NonAllocatingMap. + class Iterator { + public: + explicit Iterator(const NonAllocatingMap& map) + : map_(map), + current_(0) { + } + + // Returns the next entry in the map, or NULL if at the end of the + // collection. + const Entry* Next() { + while (current_ < map_.num_entries) { + const Entry* entry = &map_.entries_[current_++]; + if (entry->is_active()) { + return entry; + } + } + return NULL; + } + + private: + const NonAllocatingMap& map_; + size_t current_; + + DISALLOW_COPY_AND_ASSIGN(Iterator); + }; + + NonAllocatingMap() : entries_() { + } + + NonAllocatingMap(const NonAllocatingMap& other) { + *this = other; + } + + NonAllocatingMap& operator=(const NonAllocatingMap& other) { + assert(other.key_size == key_size); + assert(other.value_size == value_size); + assert(other.num_entries == num_entries); + if (other.key_size == key_size && other.value_size == value_size && + other.num_entries == num_entries) { + memcpy(entries_, other.entries_, sizeof(entries_)); + } + return *this; + } + + // Constructs a map from its serialized form. |map| should be the out + // parameter from Serialize() and |size| should be its return value. + NonAllocatingMap(const SerializedNonAllocatingMap* map, size_t size) { + assert(size == sizeof(entries_)); + if (size == sizeof(entries_)) { + memcpy(entries_, map, size); + } + } + + // Returns the number of active key/value pairs. The upper limit for this + // is NumEntries. + size_t GetCount() const { + size_t count = 0; + for (size_t i = 0; i < num_entries; ++i) { + if (entries_[i].is_active()) { + ++count; + } + } + return count; + } + + // Given |key|, returns its corresponding |value|. |key| must not be NULL. If + // the key is not found, NULL is returned. + const char* GetValueForKey(const char* key) const { + assert(key); + if (!key) + return NULL; + + const Entry* entry = GetConstEntryForKey(key); + if (!entry) + return NULL; + + return entry->value; + } + + // Stores |value| into |key|, replacing the existing value if |key| is + // already present. |key| must not be NULL. If |value| is NULL, the key is + // removed from the map. If there is no more space in the map, then the + // operation silently fails. + void SetKeyValue(const char* key, const char* value) { + if (!value) { + RemoveKey(key); + return; + } + + assert(key); + if (!key) + return; + + // Key must not be an empty string. + assert(key[0] != '\0'); + if (key[0] == '\0') + return; + + Entry* entry = GetEntryForKey(key); + + // If it does not yet exist, attempt to insert it. + if (!entry) { + for (size_t i = 0; i < num_entries; ++i) { + if (!entries_[i].is_active()) { + entry = &entries_[i]; + + assert(strlen(key) < key_size); + + strncpy(entry->key, key, key_size); + entry->key[key_size - 1] = '\0'; + + break; + } + } + } + + // If the map is out of space, entry will be NULL. + if (!entry) + return; + +#ifndef NDEBUG + // Sanity check that the key only appears once. + int count = 0; + for (size_t i = 0; i < num_entries; ++i) { + if (strncmp(entries_[i].key, key, key_size) == 0) + ++count; + } + assert(count == 1); +#endif + + assert(strlen(value) < value_size); + strncpy(entry->value, value, value_size); + entry->value[value_size - 1] = '\0'; + } + + // Given |key|, removes any associated value. |key| must not be NULL. If + // the key is not found, this is a noop. + void RemoveKey(const char* key) { + assert(key); + if (!key) + return; + + Entry* entry = GetEntryForKey(key); + if (entry) { + entry->key[0] = '\0'; + entry->value[0] = '\0'; + } + +#ifndef NDEBUG + assert(GetEntryForKey(key) == NULL); +#endif + } + + // Places a serialized version of the map into |map| and returns the size. + // Both of these should be passed to the deserializing constructor. Note that + // the serialized |map| is scoped to the lifetime of the non-serialized + // instance of this class. The |map| can be copied across IPC boundaries. + size_t Serialize(const SerializedNonAllocatingMap** map) const { + *map = reinterpret_cast(entries_); + return sizeof(entries_); + } + + private: + const Entry* GetConstEntryForKey(const char* key) const { + for (size_t i = 0; i < num_entries; ++i) { + if (strncmp(key, entries_[i].key, key_size) == 0) { + return &entries_[i]; + } + } + return NULL; + } + + Entry* GetEntryForKey(const char* key) { + return const_cast(GetConstEntryForKey(key)); + } + + Entry entries_[NumEntries]; +}; + +// For historical reasons this specialized version is available with the same +// size factors as a previous implementation. +typedef NonAllocatingMap<256, 256, 64> SimpleStringDictionary; + +} // namespace google_breakpad + +#endif // COMMON_SIMPLE_STRING_DICTIONARY_H_ diff --git a/google-breakpad/src/common/simple_string_dictionary_unittest.cc b/google-breakpad/src/common/simple_string_dictionary_unittest.cc new file mode 100644 index 0000000..5fbc481 --- /dev/null +++ b/google-breakpad/src/common/simple_string_dictionary_unittest.cc @@ -0,0 +1,320 @@ +// Copyright (c) 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "breakpad_googletest_includes.h" +#include "common/simple_string_dictionary.h" + +namespace google_breakpad { + +TEST(NonAllocatingMapTest, Entry) { + typedef NonAllocatingMap<5, 9, 15> TestMap; + TestMap map; + + const TestMap::Entry* entry = TestMap::Iterator(map).Next(); + EXPECT_FALSE(entry); + + // Try setting a key/value and then verify. + map.SetKeyValue("key1", "value1"); + entry = TestMap::Iterator(map).Next(); + ASSERT_TRUE(entry); + EXPECT_STREQ(entry->key, "key1"); + EXPECT_STREQ(entry->value, "value1"); + + // Try setting a new value. + map.SetKeyValue("key1", "value3"); + EXPECT_STREQ(entry->value, "value3"); + + // Make sure the key didn't change. + EXPECT_STREQ(entry->key, "key1"); + + // Clear the entry and verify the key and value are empty strings. + map.RemoveKey("key1"); + EXPECT_FALSE(entry->is_active()); + EXPECT_EQ(strlen(entry->key), 0u); + EXPECT_EQ(strlen(entry->value), 0u); +} + +TEST(NonAllocatingMapTest, SimpleStringDictionary) { + // Make a new dictionary + SimpleStringDictionary dict; + + // Set three distinct values on three keys + dict.SetKeyValue("key1", "value1"); + dict.SetKeyValue("key2", "value2"); + dict.SetKeyValue("key3", "value3"); + + EXPECT_NE(dict.GetValueForKey("key1"), "value1"); + EXPECT_NE(dict.GetValueForKey("key2"), "value2"); + EXPECT_NE(dict.GetValueForKey("key3"), "value3"); + EXPECT_EQ(dict.GetCount(), 3u); + // try an unknown key + EXPECT_FALSE(dict.GetValueForKey("key4")); + + // Remove a key + dict.RemoveKey("key3"); + + // Now make sure it's not there anymore + EXPECT_FALSE(dict.GetValueForKey("key3")); + + // Remove by setting value to NULL + dict.SetKeyValue("key2", NULL); + + // Now make sure it's not there anymore + EXPECT_FALSE(dict.GetValueForKey("key2")); +} + +TEST(NonAllocatingMapTest, CopyAndAssign) { + NonAllocatingMap<10, 10, 10> map; + map.SetKeyValue("one", "a"); + map.SetKeyValue("two", "b"); + map.SetKeyValue("three", "c"); + map.RemoveKey("two"); + EXPECT_EQ(2u, map.GetCount()); + + // Test copy. + NonAllocatingMap<10, 10, 10> map_copy(map); + EXPECT_EQ(2u, map_copy.GetCount()); + EXPECT_STREQ("a", map_copy.GetValueForKey("one")); + EXPECT_STREQ("c", map_copy.GetValueForKey("three")); + map_copy.SetKeyValue("four", "d"); + EXPECT_STREQ("d", map_copy.GetValueForKey("four")); + EXPECT_FALSE(map.GetValueForKey("four")); + + // Test assign. + NonAllocatingMap<10, 10, 10> map_assign; + map_assign = map; + EXPECT_EQ(2u, map_assign.GetCount()); + EXPECT_STREQ("a", map_assign.GetValueForKey("one")); + EXPECT_STREQ("c", map_assign.GetValueForKey("three")); + map_assign.SetKeyValue("four", "d"); + EXPECT_STREQ("d", map_assign.GetValueForKey("four")); + EXPECT_FALSE(map.GetValueForKey("four")); + + map.RemoveKey("one"); + EXPECT_FALSE(map.GetValueForKey("one")); + EXPECT_STREQ("a", map_copy.GetValueForKey("one")); + EXPECT_STREQ("a", map_assign.GetValueForKey("one")); +} + +// Add a bunch of values to the dictionary, remove some entries in the middle, +// and then add more. +TEST(NonAllocatingMapTest, Iterator) { + SimpleStringDictionary* dict = new SimpleStringDictionary(); + ASSERT_TRUE(dict); + + char key[SimpleStringDictionary::key_size]; + char value[SimpleStringDictionary::value_size]; + + const int kDictionaryCapacity = SimpleStringDictionary::num_entries; + const int kPartitionIndex = kDictionaryCapacity - 5; + + // We assume at least this size in the tests below + ASSERT_GE(kDictionaryCapacity, 64); + + // We'll keep track of the number of key/value pairs we think should + // be in the dictionary + int expectedDictionarySize = 0; + + // Set a bunch of key/value pairs like key0/value0, key1/value1, ... + for (int i = 0; i < kPartitionIndex; ++i) { + sprintf(key, "key%d", i); + sprintf(value, "value%d", i); + dict->SetKeyValue(key, value); + } + expectedDictionarySize = kPartitionIndex; + + // set a couple of the keys twice (with the same value) - should be nop + dict->SetKeyValue("key2", "value2"); + dict->SetKeyValue("key4", "value4"); + dict->SetKeyValue("key15", "value15"); + + // Remove some random elements in the middle + dict->RemoveKey("key7"); + dict->RemoveKey("key18"); + dict->RemoveKey("key23"); + dict->RemoveKey("key31"); + expectedDictionarySize -= 4; // we just removed four key/value pairs + + // Set some more key/value pairs like key59/value59, key60/value60, ... + for (int i = kPartitionIndex; i < kDictionaryCapacity; ++i) { + sprintf(key, "key%d", i); + sprintf(value, "value%d", i); + dict->SetKeyValue(key, value); + } + expectedDictionarySize += kDictionaryCapacity - kPartitionIndex; + + // Now create an iterator on the dictionary + SimpleStringDictionary::Iterator iter(*dict); + + // We then verify that it iterates through exactly the number of + // key/value pairs we expect, and that they match one-for-one with what we + // would expect. The ordering of the iteration does not matter... + + // used to keep track of number of occurrences found for key/value pairs + int count[kDictionaryCapacity]; + memset(count, 0, sizeof(count)); + + int totalCount = 0; + + const SimpleStringDictionary::Entry* entry; + while ((entry = iter.Next())) { + totalCount++; + + // Extract keyNumber from a string of the form key + int keyNumber; + sscanf(entry->key, "key%d", &keyNumber); + + // Extract valueNumber from a string of the form value + int valueNumber; + sscanf(entry->value, "value%d", &valueNumber); + + // The value number should equal the key number since that's how we set them + EXPECT_EQ(keyNumber, valueNumber); + + // Key and value numbers should be in proper range: + // 0 <= keyNumber < kDictionaryCapacity + bool isKeyInGoodRange = + (keyNumber >= 0 && keyNumber < kDictionaryCapacity); + bool isValueInGoodRange = + (valueNumber >= 0 && valueNumber < kDictionaryCapacity); + EXPECT_TRUE(isKeyInGoodRange); + EXPECT_TRUE(isValueInGoodRange); + + if (isKeyInGoodRange && isValueInGoodRange) { + ++count[keyNumber]; + } + } + + // Make sure each of the key/value pairs showed up exactly one time, except + // for the ones which we removed. + for (size_t i = 0; i < kDictionaryCapacity; ++i) { + // Skip over key7, key18, key23, and key31, since we removed them + if (!(i == 7 || i == 18 || i == 23 || i == 31)) { + EXPECT_EQ(count[i], 1); + } + } + + // Make sure the number of iterations matches the expected dictionary size. + EXPECT_EQ(totalCount, expectedDictionarySize); +} + + +TEST(NonAllocatingMapTest, AddRemove) { + NonAllocatingMap<5, 7, 6> map; + map.SetKeyValue("rob", "ert"); + map.SetKeyValue("mike", "pink"); + map.SetKeyValue("mark", "allays"); + + EXPECT_EQ(3u, map.GetCount()); + EXPECT_STREQ("ert", map.GetValueForKey("rob")); + EXPECT_STREQ("pink", map.GetValueForKey("mike")); + EXPECT_STREQ("allays", map.GetValueForKey("mark")); + + map.RemoveKey("mike"); + + EXPECT_EQ(2u, map.GetCount()); + EXPECT_FALSE(map.GetValueForKey("mike")); + + map.SetKeyValue("mark", "mal"); + EXPECT_EQ(2u, map.GetCount()); + EXPECT_STREQ("mal", map.GetValueForKey("mark")); + + map.RemoveKey("mark"); + EXPECT_EQ(1u, map.GetCount()); + EXPECT_FALSE(map.GetValueForKey("mark")); +} + +TEST(NonAllocatingMapTest, Serialize) { + typedef NonAllocatingMap<4, 5, 7> TestMap; + TestMap map; + map.SetKeyValue("one", "abc"); + map.SetKeyValue("two", "def"); + map.SetKeyValue("tre", "hig"); + + EXPECT_STREQ("abc", map.GetValueForKey("one")); + EXPECT_STREQ("def", map.GetValueForKey("two")); + EXPECT_STREQ("hig", map.GetValueForKey("tre")); + + const SerializedNonAllocatingMap* serialized; + size_t size = map.Serialize(&serialized); + + SerializedNonAllocatingMap* serialized_copy = + reinterpret_cast(malloc(size)); + ASSERT_TRUE(serialized_copy); + memcpy(serialized_copy, serialized, size); + + TestMap deserialized(serialized_copy, size); + free(serialized_copy); + + EXPECT_EQ(3u, deserialized.GetCount()); + EXPECT_STREQ("abc", deserialized.GetValueForKey("one")); + EXPECT_STREQ("def", deserialized.GetValueForKey("two")); + EXPECT_STREQ("hig", deserialized.GetValueForKey("tre")); +} + +// Running out of space shouldn't crash. +TEST(NonAllocatingMapTest, OutOfSpace) { + NonAllocatingMap<3, 2, 2> map; + map.SetKeyValue("a", "1"); + map.SetKeyValue("b", "2"); + map.SetKeyValue("c", "3"); + EXPECT_EQ(2u, map.GetCount()); + EXPECT_FALSE(map.GetValueForKey("c")); +} + +#ifndef NDEBUG + +TEST(NonAllocatingMapTest, KeyTooLong) { + NonAllocatingMap<3, 10, 12> map; + map.SetKeyValue("ab", "cdefghi"); + ASSERT_DEATH(map.SetKeyValue("abcdef", "1"), ""); +} + +TEST(NonAllocatingMapTest, ValueTooLong) { + NonAllocatingMap<9, 3, 8> map; + map.SetKeyValue("abcd", "ab"); + ASSERT_DEATH(map.SetKeyValue("abcd", "abc"), ""); +} + +TEST(NonAllocatingMapTest, NullKey) { + NonAllocatingMap<4, 6, 6> map; + ASSERT_DEATH(map.SetKeyValue(NULL, "hello"), ""); + + map.SetKeyValue("hi", "there"); + ASSERT_DEATH(map.GetValueForKey(NULL), ""); + EXPECT_STREQ("there", map.GetValueForKey("hi")); + + ASSERT_DEATH(map.GetValueForKey(NULL), ""); + map.RemoveKey("hi"); + EXPECT_EQ(0u, map.GetCount()); +} + +#endif // !NDEBUG + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/stabs_reader.cc b/google-breakpad/src/common/stabs_reader.cc new file mode 100644 index 0000000..6019fc7 --- /dev/null +++ b/google-breakpad/src/common/stabs_reader.cc @@ -0,0 +1,315 @@ +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// This file implements the google_breakpad::StabsReader class. +// See stabs_reader.h. + +#include "common/stabs_reader.h" + +#include +#include +#include + +#include + +#include "common/using_std_string.h" + +using std::vector; + +namespace google_breakpad { + +StabsReader::EntryIterator::EntryIterator(const ByteBuffer *buffer, + bool big_endian, size_t value_size) + : value_size_(value_size), cursor_(buffer, big_endian) { + // Actually, we could handle weird sizes just fine, but they're + // probably mistakes --- expressed in bits, say. + assert(value_size == 4 || value_size == 8); + entry_.index = 0; + Fetch(); +} + +void StabsReader::EntryIterator::Fetch() { + cursor_ + .Read(4, false, &entry_.name_offset) + .Read(1, false, &entry_.type) + .Read(1, false, &entry_.other) + .Read(2, false, &entry_.descriptor) + .Read(value_size_, false, &entry_.value); + entry_.at_end = !cursor_; +} + +StabsReader::StabsReader(const uint8_t *stab, size_t stab_size, + const uint8_t *stabstr, size_t stabstr_size, + bool big_endian, size_t value_size, bool unitized, + StabsHandler *handler) + : entries_(stab, stab_size), + strings_(stabstr, stabstr_size), + iterator_(&entries_, big_endian, value_size), + unitized_(unitized), + handler_(handler), + string_offset_(0), + next_cu_string_offset_(0), + current_source_file_(NULL) { } + +const char *StabsReader::SymbolString() { + ptrdiff_t offset = string_offset_ + iterator_->name_offset; + if (offset < 0 || (size_t) offset >= strings_.Size()) { + handler_->Warning("symbol %d: name offset outside the string section\n", + iterator_->index); + // Return our null string, to keep our promise about all names being + // taken from the string section. + offset = 0; + } + return reinterpret_cast(strings_.start + offset); +} + +bool StabsReader::Process() { + while (!iterator_->at_end) { + if (iterator_->type == N_SO) { + if (! ProcessCompilationUnit()) + return false; + } else if (iterator_->type == N_UNDF && unitized_) { + // In unitized STABS (including Linux STABS, and pretty much anything + // else that puts STABS data in sections), at the head of each + // compilation unit's entries there is an N_UNDF stab giving the + // number of symbols in the compilation unit, and the number of bytes + // that compilation unit's strings take up in the .stabstr section. + // Each CU's strings are separate; the n_strx values are offsets + // within the current CU's portion of the .stabstr section. + // + // As an optimization, the GNU linker combines all the + // compilation units into one, with a single N_UNDF at the + // beginning. However, other linkers, like Gold, do not perform + // this optimization. + string_offset_ = next_cu_string_offset_; + next_cu_string_offset_ = iterator_->value; + ++iterator_; + } +#if defined(HAVE_MACH_O_NLIST_H) + // Export symbols in Mach-O binaries look like this. + // This is necessary in order to be able to dump symbols + // from OS X system libraries. + else if ((iterator_->type & N_STAB) == 0 && + (iterator_->type & N_TYPE) == N_SECT) { + ProcessExtern(); + } +#endif + else { + ++iterator_; + } + } + return true; +} + +bool StabsReader::ProcessCompilationUnit() { + assert(!iterator_->at_end && iterator_->type == N_SO); + + // There may be an N_SO entry whose name ends with a slash, + // indicating the directory in which the compilation occurred. + // The build directory defaults to NULL. + const char *build_directory = NULL; + { + const char *name = SymbolString(); + if (name[0] && name[strlen(name) - 1] == '/') { + build_directory = name; + ++iterator_; + } + } + + // We expect to see an N_SO entry with a filename next, indicating + // the start of the compilation unit. + { + if (iterator_->at_end || iterator_->type != N_SO) + return true; + const char *name = SymbolString(); + if (name[0] == '\0') { + // This seems to be a stray end-of-compilation-unit marker; + // consume it, but don't report the end, since we didn't see a + // beginning. + ++iterator_; + return true; + } + current_source_file_ = name; + } + + if (! handler_->StartCompilationUnit(current_source_file_, + iterator_->value, + build_directory)) + return false; + + ++iterator_; + + // The STABS documentation says that some compilers may emit + // additional N_SO entries with names immediately following the + // first, and that they should be ignored. However, the original + // Breakpad STABS reader doesn't ignore them, so we won't either. + + // Process the body of the compilation unit, up to the next N_SO. + while (!iterator_->at_end && iterator_->type != N_SO) { + if (iterator_->type == N_FUN) { + if (! ProcessFunction()) + return false; + } else if (iterator_->type == N_SLINE) { + // Mac OS X STABS place SLINE records before functions. + Line line; + // The value of an N_SLINE entry that appears outside a function is + // the absolute address of the line. + line.address = iterator_->value; + line.filename = current_source_file_; + // The n_desc of a N_SLINE entry is the line number. It's a + // signed 16-bit field; line numbers from 32768 to 65535 are + // stored as n-65536. + line.number = (uint16_t) iterator_->descriptor; + queued_lines_.push_back(line); + ++iterator_; + } else if (iterator_->type == N_SOL) { + current_source_file_ = SymbolString(); + ++iterator_; + } else { + // Ignore anything else. + ++iterator_; + } + } + + // An N_SO with an empty name indicates the end of the compilation + // unit. Default to zero. + uint64_t ending_address = 0; + if (!iterator_->at_end) { + assert(iterator_->type == N_SO); + const char *name = SymbolString(); + if (name[0] == '\0') { + ending_address = iterator_->value; + ++iterator_; + } + } + + if (! handler_->EndCompilationUnit(ending_address)) + return false; + + queued_lines_.clear(); + + return true; +} + +bool StabsReader::ProcessFunction() { + assert(!iterator_->at_end && iterator_->type == N_FUN); + + uint64_t function_address = iterator_->value; + // The STABS string for an N_FUN entry is the name of the function, + // followed by a colon, followed by type information for the + // function. We want to pass the name alone to StartFunction. + const char *stab_string = SymbolString(); + const char *name_end = strchr(stab_string, ':'); + if (! name_end) + name_end = stab_string + strlen(stab_string); + string name(stab_string, name_end - stab_string); + if (! handler_->StartFunction(name, function_address)) + return false; + ++iterator_; + + // If there were any SLINE records given before the function, report them now. + for (vector::const_iterator it = queued_lines_.begin(); + it != queued_lines_.end(); it++) { + if (!handler_->Line(it->address, it->filename, it->number)) + return false; + } + queued_lines_.clear(); + + while (!iterator_->at_end) { + if (iterator_->type == N_SO || iterator_->type == N_FUN) + break; + else if (iterator_->type == N_SLINE) { + // The value of an N_SLINE entry is the offset of the line from + // the function's start address. + uint64_t line_address = function_address + iterator_->value; + // The n_desc of a N_SLINE entry is the line number. It's a + // signed 16-bit field; line numbers from 32768 to 65535 are + // stored as n-65536. + uint16_t line_number = iterator_->descriptor; + if (! handler_->Line(line_address, current_source_file_, line_number)) + return false; + ++iterator_; + } else if (iterator_->type == N_SOL) { + current_source_file_ = SymbolString(); + ++iterator_; + } else + // Ignore anything else. + ++iterator_; + } + + // We've reached the end of the function. See if we can figure out its + // ending address. + uint64_t ending_address = 0; + if (!iterator_->at_end) { + assert(iterator_->type == N_SO || iterator_->type == N_FUN); + if (iterator_->type == N_FUN) { + const char *symbol_name = SymbolString(); + if (symbol_name[0] == '\0') { + // An N_FUN entry with no name is a terminator for this function; + // its value is the function's size. + ending_address = function_address + iterator_->value; + ++iterator_; + } else { + // An N_FUN entry with a name is the next function, and we can take + // its value as our ending address. Don't advance the iterator, as + // we'll use this symbol to start the next function as well. + ending_address = iterator_->value; + } + } else { + // An N_SO entry could be an end-of-compilation-unit marker, or the + // start of the next compilation unit, but in either case, its value + // is our ending address. We don't advance the iterator; + // ProcessCompilationUnit will decide what to do with this symbol. + ending_address = iterator_->value; + } + } + + if (! handler_->EndFunction(ending_address)) + return false; + + return true; +} + +bool StabsReader::ProcessExtern() { +#if defined(HAVE_MACH_O_NLIST_H) + assert(!iterator_->at_end && + (iterator_->type & N_STAB) == 0 && + (iterator_->type & N_TYPE) == N_SECT); +#endif + + // TODO(mark): only do symbols in the text section? + if (!handler_->Extern(SymbolString(), iterator_->value)) + return false; + + ++iterator_; + return true; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/stabs_reader.h b/google-breakpad/src/common/stabs_reader.h new file mode 100644 index 0000000..d89afc0 --- /dev/null +++ b/google-breakpad/src/common/stabs_reader.h @@ -0,0 +1,326 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// stabs_reader.h: Define StabsReader, a parser for STABS debugging +// information. A description of the STABS debugging format can be +// found at: +// +// http://sourceware.org/gdb/current/onlinedocs/stabs_toc.html +// +// The comments here assume you understand the format. +// +// This parser can handle big-endian and little-endian data, and the symbol +// values may be either 32 or 64 bits long. It handles both STABS in +// sections (as used on Linux) and STABS appearing directly in an +// a.out-like symbol table (as used in Darwin OS X Mach-O files). + +#ifndef COMMON_STABS_READER_H__ +#define COMMON_STABS_READER_H__ + +#include +#include + +#ifdef HAVE_CONFIG_H +#include +#endif + +#ifdef HAVE_A_OUT_H +#include +#endif +#ifdef HAVE_MACH_O_NLIST_H +#include +#endif + +#include +#include + +#include "common/byte_cursor.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +class StabsHandler; + +class StabsReader { + public: + // Create a reader for the STABS debug information whose .stab section is + // being traversed by ITERATOR, and whose .stabstr section is referred to + // by STRINGS. The reader will call the member functions of HANDLER to + // report the information it finds, when the reader's 'Process' member + // function is called. + // + // BIG_ENDIAN should be true if the entries in the .stab section are in + // big-endian form, or false if they are in little-endian form. + // + // VALUE_SIZE should be either 4 or 8, indicating the size of the 'value' + // field in each entry in bytes. + // + // UNITIZED should be true if the STABS data is stored in units with + // N_UNDF headers. This is usually the case for STABS stored in sections, + // like .stab/.stabstr, and usually not the case for STABS stored in the + // actual symbol table; UNITIZED should be true when parsing Linux stabs, + // false when parsing Mac OS X STABS. For details, see: + // http://sourceware.org/gdb/current/onlinedocs/stabs/Stab-Section-Basics.html + // + // Note that, in ELF, the .stabstr section should be found using the + // 'sh_link' field of the .stab section header, not by name. + StabsReader(const uint8_t *stab, size_t stab_size, + const uint8_t *stabstr, size_t stabstr_size, + bool big_endian, size_t value_size, bool unitized, + StabsHandler *handler); + + // Process the STABS data, calling the handler's member functions to + // report what we find. While the handler functions return true, + // continue to process until we reach the end of the section. If we + // processed the entire section and all handlers returned true, + // return true. If any handler returned false, return false. + // + // This is only meant to be called once per StabsReader instance; + // resuming a prior processing pass that stopped abruptly isn't supported. + bool Process(); + + private: + + // An class for walking arrays of STABS entries. This isolates the main + // STABS reader from the exact format (size; endianness) of the entries + // themselves. + class EntryIterator { + public: + // The contents of a STABS entry, adjusted for the host's endianness, + // word size, 'struct nlist' layout, and so on. + struct Entry { + // True if this iterator has reached the end of the entry array. When + // this is set, the other members of this structure are not valid. + bool at_end; + + // The number of this entry within the list. + size_t index; + + // The current entry's name offset. This is the offset within the + // current compilation unit's strings, as establish by the N_UNDF entries. + size_t name_offset; + + // The current entry's type, 'other' field, descriptor, and value. + unsigned char type; + unsigned char other; + short descriptor; + uint64_t value; + }; + + // Create a EntryIterator walking the entries in BUFFER. Treat the + // entries as big-endian if BIG_ENDIAN is true, as little-endian + // otherwise. Assume each entry has a 'value' field whose size is + // VALUE_SIZE. + // + // This would not be terribly clean to extend to other format variations, + // but it's enough to handle Linux and Mac, and we'd like STABS to die + // anyway. + // + // For the record: on Linux, STABS entry values are always 32 bits, + // regardless of the architecture address size (don't ask me why); on + // Mac, they are 32 or 64 bits long. Oddly, the section header's entry + // size for a Linux ELF .stab section varies according to the ELF class + // from 12 to 20 even as the actual entries remain unchanged. + EntryIterator(const ByteBuffer *buffer, bool big_endian, size_t value_size); + + // Move to the next entry. This function's behavior is undefined if + // at_end() is true when it is called. + EntryIterator &operator++() { Fetch(); entry_.index++; return *this; } + + // Dereferencing this iterator produces a reference to an Entry structure + // that holds the current entry's values. The entry is owned by this + // EntryIterator, and will be invalidated at the next call to operator++. + const Entry &operator*() const { return entry_; } + const Entry *operator->() const { return &entry_; } + + private: + // Read the STABS entry at cursor_, and set entry_ appropriately. + void Fetch(); + + // The size of entries' value field, in bytes. + size_t value_size_; + + // A byte cursor traversing buffer_. + ByteCursor cursor_; + + // Values for the entry this iterator refers to. + Entry entry_; + }; + + // A source line, saved to be reported later. + struct Line { + uint64_t address; + const char *filename; + int number; + }; + + // Return the name of the current symbol. + const char *SymbolString(); + + // Process a compilation unit starting at symbol_. Return true + // to continue processing, or false to abort. + bool ProcessCompilationUnit(); + + // Process a function in current_source_file_ starting at symbol_. + // Return true to continue processing, or false to abort. + bool ProcessFunction(); + + // Process an exported function symbol. + // Return true to continue processing, or false to abort. + bool ProcessExtern(); + + // The STABS entries being parsed. + ByteBuffer entries_; + + // The string section to which the entries refer. + ByteBuffer strings_; + + // The iterator walking the STABS entries. + EntryIterator iterator_; + + // True if the data is "unitized"; see the explanation in the comment for + // StabsReader::StabsReader. + bool unitized_; + + StabsHandler *handler_; + + // The offset of the current compilation unit's strings within stabstr_. + size_t string_offset_; + + // The value string_offset_ should have for the next compilation unit, + // as established by N_UNDF entries. + size_t next_cu_string_offset_; + + // The current source file name. + const char *current_source_file_; + + // Mac OS X STABS place SLINE records before functions; we accumulate a + // vector of these until we see the FUN record, and then report them + // after the StartFunction call. + std::vector queued_lines_; +}; + +// Consumer-provided callback structure for the STABS reader. Clients +// of the STABS reader provide an instance of this structure. The +// reader then invokes the member functions of that instance to report +// the information it finds. +// +// The default definitions of the member functions do nothing, and return +// true so processing will continue. +class StabsHandler { + public: + StabsHandler() { } + virtual ~StabsHandler() { } + + // Some general notes about the handler callback functions: + + // Processing proceeds until the end of the .stabs section, or until + // one of these functions returns false. + + // The addresses given are as reported in the STABS info, without + // regard for whether the module may be loaded at different + // addresses at different times (a shared library, say). When + // processing STABS from an ELF shared library, the addresses given + // all assume the library is loaded at its nominal load address. + // They are *not* offsets from the nominal load address. If you + // want offsets, you must subtract off the library's nominal load + // address. + + // The arguments to these functions named FILENAME are all + // references to strings stored in the .stabstr section. Because + // both the Linux and Solaris linkers factor out duplicate strings + // from the .stabstr section, the consumer can assume that if two + // FILENAME values are different addresses, they represent different + // file names. + // + // Thus, it's safe to use (say) std::map, which does + // string address comparisons, not string content comparisons. + // Since all the strings are in same array of characters --- the + // .stabstr section --- comparing their addresses produces + // predictable, if not lexicographically meaningful, results. + + // Begin processing a compilation unit whose main source file is + // named FILENAME, and whose base address is ADDRESS. If + // BUILD_DIRECTORY is non-NULL, it is the name of the build + // directory in which the compilation occurred. + virtual bool StartCompilationUnit(const char *filename, uint64_t address, + const char *build_directory) { + return true; + } + + // Finish processing the compilation unit. If ADDRESS is non-zero, + // it is the ending address of the compilation unit. If ADDRESS is + // zero, then the compilation unit's ending address is not + // available, and the consumer must infer it by other means. + virtual bool EndCompilationUnit(uint64_t address) { return true; } + + // Begin processing a function named NAME, whose starting address is + // ADDRESS. This function belongs to the compilation unit that was + // most recently started but not ended. + // + // Note that, unlike filenames, NAME is not a pointer into the + // .stabstr section; this is because the name as it appears in the + // STABS data is followed by type information. The value passed to + // StartFunction is the function name alone. + // + // In languages that use name mangling, like C++, NAME is mangled. + virtual bool StartFunction(const string &name, uint64_t address) { + return true; + } + + // Finish processing the function. If ADDRESS is non-zero, it is + // the ending address for the function. If ADDRESS is zero, then + // the function's ending address is not available, and the consumer + // must infer it by other means. + virtual bool EndFunction(uint64_t address) { return true; } + + // Report that the code at ADDRESS is attributable to line NUMBER of + // the source file named FILENAME. The caller must infer the ending + // address of the line. + virtual bool Line(uint64_t address, const char *filename, int number) { + return true; + } + + // Report that an exported function NAME is present at ADDRESS. + // The size of the function is unknown. + virtual bool Extern(const string &name, uint64_t address) { + return true; + } + + // Report a warning. FORMAT is a printf-like format string, + // specifying how to format the subsequent arguments. + virtual void Warning(const char *format, ...) = 0; +}; + +} // namespace google_breakpad + +#endif // COMMON_STABS_READER_H__ diff --git a/google-breakpad/src/common/stabs_reader_unittest.cc b/google-breakpad/src/common/stabs_reader_unittest.cc new file mode 100644 index 0000000..a84da1c --- /dev/null +++ b/google-breakpad/src/common/stabs_reader_unittest.cc @@ -0,0 +1,611 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// stabs_reader_unittest.cc: Unit tests for google_breakpad::StabsReader. + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/stabs_reader.h" +#include "common/test_assembler.h" +#include "common/using_std_string.h" + +using ::testing::Eq; +using ::testing::InSequence; +using ::testing::Return; +using ::testing::StrEq; +using ::testing::Test; +using ::testing::_; +using google_breakpad::StabsHandler; +using google_breakpad::StabsReader; +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::Section; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; +using std::map; + +namespace { + +// A StringAssembler is a class for generating .stabstr sections to present +// as input to the STABS parser. +class StringAssembler: public Section { + public: + StringAssembler() : in_cu_(false) { StartCU(); } + + // Add the string S to this StringAssembler, and return the string's + // offset within this compilation unit's strings. If S has been added + // already, this returns the offset of its first instance. + size_t Add(const string &s) { + map::iterator it = added_.find(s); + if (it != added_.end()) + return it->second; + size_t offset = Size() - cu_start_; + AppendCString(s); + added_[s] = offset; + return offset; + } + + // Start a fresh compilation unit string collection. + void StartCU() { + // Ignore duplicate calls to StartCU. Our test data don't always call + // StartCU at all, meaning that our constructor has to take care of it, + // meaning that tests that *do* call StartCU call it twice at the + // beginning. This is not worth smoothing out. + if (in_cu_) return; + + added_.clear(); + cu_start_ = Size(); + + // Each compilation unit's strings start with an empty string. + AppendCString(""); + added_[""] = 0; + + in_cu_ = true; + } + + // Finish off the current CU's strings. + size_t EndCU() { + assert(in_cu_); + in_cu_ = false; + return Size() - cu_start_; + } + + private: + // The offset of the start of this compilation unit's strings. + size_t cu_start_; + + // True if we're in a CU. + bool in_cu_; + + // A map from the strings that have been added to this section to + // their starting indices within their compilation unit. + map added_; +}; + +// A StabsAssembler is a class for generating .stab sections to present as +// test input for the STABS parser. +class StabsAssembler: public Section { + public: + // Create a StabsAssembler that uses StringAssembler for its strings. + StabsAssembler(StringAssembler *string_assembler) + : Section(string_assembler->endianness()), + string_assembler_(string_assembler), + value_size_(0), + entry_count_(0), + cu_header_(NULL) { } + ~StabsAssembler() { assert(!cu_header_); } + + // Accessor and setter for value_size_. + size_t value_size() const { return value_size_; } + StabsAssembler &set_value_size(size_t value_size) { + value_size_ = value_size; + return *this; + } + + // Append a STAB entry to the end of this section with the given + // characteristics. NAME is the offset of this entry's name string within + // its compilation unit's portion of the .stabstr section; this can be a + // value generated by a StringAssembler. Return a reference to this + // StabsAssembler. + StabsAssembler &Stab(uint8_t type, uint8_t other, Label descriptor, + Label value, Label name) { + D32(name); + D8(type); + D8(other); + D16(descriptor); + Append(endianness(), value_size_, value); + entry_count_++; + return *this; + } + + // As above, but automatically add NAME to our StringAssembler. + StabsAssembler &Stab(uint8_t type, uint8_t other, Label descriptor, + Label value, const string &name) { + return Stab(type, other, descriptor, value, string_assembler_->Add(name)); + } + + // Start a compilation unit named NAME, with an N_UNDF symbol to start + // it, and its own portion of the string section. Return a reference to + // this StabsAssembler. + StabsAssembler &StartCU(const string &name) { + assert(!cu_header_); + cu_header_ = new CUHeader; + string_assembler_->StartCU(); + entry_count_ = 0; + return Stab(N_UNDF, 0, + cu_header_->final_entry_count, + cu_header_->final_string_size, + string_assembler_->Add(name)); + } + + // Close off the current compilation unit. Return a reference to this + // StabsAssembler. + StabsAssembler &EndCU() { + assert(cu_header_); + cu_header_->final_entry_count = entry_count_; + cu_header_->final_string_size = string_assembler_->EndCU(); + delete cu_header_; + cu_header_ = NULL; + return *this; + } + + private: + // Data used in a compilation unit header STAB that we won't know until + // we've finished the compilation unit. + struct CUHeader { + // The final number of entries this compilation unit will hold. + Label final_entry_count; + + // The final size of this compilation unit's strings. + Label final_string_size; + }; + + // The strings for our STABS entries. + StringAssembler *string_assembler_; + + // The size of the 'value' field of stabs entries in this section. + size_t value_size_; + + // The number of entries in this compilation unit so far. + size_t entry_count_; + + // Header labels for this compilation unit, if we've started one but not + // finished it. + CUHeader *cu_header_; +}; + +class MockStabsReaderHandler: public StabsHandler { + public: + MOCK_METHOD3(StartCompilationUnit, + bool(const char *, uint64_t, const char *)); + MOCK_METHOD1(EndCompilationUnit, bool(uint64_t)); + MOCK_METHOD2(StartFunction, bool(const string &, uint64_t)); + MOCK_METHOD1(EndFunction, bool(uint64_t)); + MOCK_METHOD3(Line, bool(uint64_t, const char *, int)); + MOCK_METHOD2(Extern, bool(const string &, uint64_t)); + void Warning(const char *format, ...) { MockWarning(format); } + MOCK_METHOD1(MockWarning, void(const char *)); +}; + +struct StabsFixture { + StabsFixture() : stabs(&strings), unitized(true) { } + + // Create a StabsReader to parse the mock stabs data in stabs and + // strings, and pass the parsed information to mock_handler. Use the + // endianness and value size of stabs to parse the data. If all goes + // well, return the result of calling the reader's Process member + // function. Otherwise, return false. + bool ApplyHandlerToMockStabsData() { + string stabs_contents, stabstr_contents; + if (!stabs.GetContents(&stabs_contents) || + !strings.GetContents(&stabstr_contents)) + return false; + + // Run the parser on the test input, passing whatever we find to HANDLER. + StabsReader reader( + reinterpret_cast(stabs_contents.data()), + stabs_contents.size(), + reinterpret_cast(stabstr_contents.data()), + stabstr_contents.size(), + stabs.endianness() == kBigEndian, stabs.value_size(), unitized, + &mock_handler); + return reader.Process(); + } + + StringAssembler strings; + StabsAssembler stabs; + bool unitized; + MockStabsReaderHandler mock_handler; +}; + +class Stabs: public StabsFixture, public Test { }; + +TEST_F(Stabs, MockStabsInput) { + stabs.set_endianness(kLittleEndian); + stabs.set_value_size(4); + stabs + .Stab(N_SO, 149, 40232, 0x18a2a72bU, "builddir/") + .Stab(N_FUN, 83, 50010, 0x91a5353fU, + "not the SO with source file name we expected ") + .Stab(N_SO, 165, 24791, 0xfe69d23cU, "") + .Stab(N_SO, 184, 34178, 0xca4d883aU, "builddir1/") + .Stab(N_SO, 83, 40859, 0xd2fe5df3U, "file1.c") + .Stab(N_LSYM, 147, 39565, 0x60d4bb8aU, "not the FUN we're looking for") + .Stab(N_FUN, 120, 50271, 0xa049f4b1U, "fun1") + .Stab(N_BINCL, 150, 15694, 0xef65c659U, + "something to ignore in a FUN body") + .Stab(N_SLINE, 147, 4967, 0xd904b3f, "") + .Stab(N_SOL, 177, 56135, 0xbd97b1dcU, "header.h") + .Stab(N_SLINE, 130, 24610, 0x90f145b, "") + .Stab(N_FUN, 45, 32441, 0xbf27cf93U, + "fun2:some stabs type info here:to trim from the name") + .Stab(N_SLINE, 138, 39002, 0x8148b87, "") + .Stab(N_SOL, 60, 49318, 0x1d06e025U, "file1.c") + .Stab(N_SLINE, 29, 52163, 0x6eebbb7, "") + .Stab(N_SO, 167, 4647, 0xd04b7448U, "") + .Stab(N_LSYM, 58, 37837, 0xe6b14d37U, "") + .Stab(N_SO, 152, 7810, 0x11759f10U, "file3.c") + .Stab(N_SO, 218, 12447, 0x11cfe4b5U, ""); + + { + InSequence s; + + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("file1.c"), 0xd2fe5df3U, + StrEq("builddir1/"))) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, StartFunction(StrEq("fun1"), 0xa049f4b1U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + Line(0xa049f4b1U + 0xd904b3f, StrEq("file1.c"), 4967)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + Line(0xa049f4b1U + 0x90f145b, StrEq("header.h"), 24610)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0xbf27cf93U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, StartFunction(StrEq("fun2"), 0xbf27cf93U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + Line(0xbf27cf93U + 0x8148b87, StrEq("header.h"), 39002)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + Line(0xbf27cf93U + 0x6eebbb7, StrEq("file1.c"), 52163)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0xd04b7448U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0xd04b7448U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, StartCompilationUnit(StrEq("file3.c"), + 0x11759f10U, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0x11cfe4b5U)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +TEST_F(Stabs, AbruptCU) { + stabs.set_endianness(kBigEndian); + stabs.set_value_size(4); + stabs.Stab(N_SO, 177, 23446, 0xbf10d5e4, "file2-1.c"); + + { + InSequence s; + + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("file2-1.c"), 0xbf10d5e4, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +TEST_F(Stabs, AbruptFunction) { + stabs.set_endianness(kLittleEndian); + stabs.set_value_size(8); + stabs + .Stab(N_SO, 218, 26631, 0xb83ddf10U, "file3-1.c") + .Stab(N_FUN, 113, 24765, 0xbbd4a145U, "fun3_1"); + + { + InSequence s; + + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("file3-1.c"), 0xb83ddf10U, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, StartFunction(StrEq("fun3_1"), 0xbbd4a145U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +TEST_F(Stabs, NoCU) { + stabs.set_endianness(kBigEndian); + stabs.set_value_size(8); + stabs.Stab(N_SO, 161, 25673, 0x8f676e7bU, "build-directory/"); + + EXPECT_CALL(mock_handler, StartCompilationUnit(_, _, _)) + .Times(0); + EXPECT_CALL(mock_handler, StartFunction(_, _)) + .Times(0); + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +TEST_F(Stabs, NoCUEnd) { + stabs.set_endianness(kBigEndian); + stabs.set_value_size(8); + stabs + .Stab(N_SO, 116, 58280, 0x2f7493c9U, "file5-1.c") + .Stab(N_SO, 224, 23057, 0xf9f1d50fU, "file5-2.c"); + + { + InSequence s; + + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("file5-1.c"), 0x2f7493c9U, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("file5-2.c"), 0xf9f1d50fU, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +// On systems that store STABS in sections, string offsets are relative to +// the beginning of that compilation unit's strings, marked with N_UNDF +// symbols; see the comments for StabsReader::StabsReader. +TEST_F(Stabs, Unitized) { + stabs.set_endianness(kBigEndian); + stabs.set_value_size(4); + stabs + .StartCU("antimony") + .Stab(N_SO, 49, 26043, 0x7e259f1aU, "antimony") + .Stab(N_FUN, 101, 63253, 0x7fbcccaeU, "arsenic") + .Stab(N_SO, 124, 37175, 0x80b0014cU, "") + .EndCU() + .StartCU("aluminum") + .Stab(N_SO, 72, 23084, 0x86756839U, "aluminum") + .Stab(N_FUN, 59, 3305, 0xa8e120b0U, "selenium") + .Stab(N_SO, 178, 56949, 0xbffff983U, "") + .EndCU(); + + { + InSequence s; + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("antimony"), 0x7e259f1aU, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, StartFunction(Eq("arsenic"), 0x7fbcccaeU)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0x80b0014cU)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0x80b0014cU)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("aluminum"), 0x86756839U, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, StartFunction(Eq("selenium"), 0xa8e120b0U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0xbffff983U)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0xbffff983U)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +// On systems that store STABS entries in the real symbol table, the N_UNDF +// entries have no special meaning, and shouldn't mess up the string +// indices. +TEST_F(Stabs, NonUnitized) { + stabs.set_endianness(kLittleEndian); + stabs.set_value_size(4); + unitized = false; + stabs + .Stab(N_UNDF, 21, 11551, 0x9bad2b2e, "") + .Stab(N_UNDF, 21, 11551, 0x9bad2b2e, "") + .Stab(N_SO, 71, 45139, 0x11a97352, "Tanzania") + .Stab(N_SO, 221, 41976, 0x21a97352, ""); + + { + InSequence s; + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("Tanzania"), + 0x11a97352, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0x21a97352)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +TEST_F(Stabs, FunctionEnd) { + stabs.set_endianness(kLittleEndian); + stabs.set_value_size(8); + stabs + .Stab(N_SO, 102, 62362, 0x52a830d644cd6942ULL, "compilation unit") + // This function is terminated by the start of the next function. + .Stab(N_FUN, 216, 38405, 0xbb5ab70ecdd23bfeULL, "function 1") + // This function is terminated by an explicit end-of-function stab, + // whose value is a size in bytes. + .Stab(N_FUN, 240, 10973, 0xc954de9b8fb3e5e2ULL, "function 2") + .Stab(N_FUN, 14, 36749, 0xc1ab, "") + // This function is terminated by the end of the compilation unit. + .Stab(N_FUN, 143, 64514, 0xdff98c9a35386e1fULL, "function 3") + .Stab(N_SO, 164, 60142, 0xfdacb856e78bbf57ULL, ""); + + { + InSequence s; + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("compilation unit"), + 0x52a830d644cd6942ULL, NULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + StartFunction(Eq("function 1"), 0xbb5ab70ecdd23bfeULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0xc954de9b8fb3e5e2ULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + StartFunction(Eq("function 2"), 0xc954de9b8fb3e5e2ULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0xc954de9b8fb3e5e2ULL + 0xc1ab)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + StartFunction(Eq("function 3"), 0xdff98c9a35386e1fULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0xfdacb856e78bbf57ULL)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0xfdacb856e78bbf57ULL)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +// On Mac OS X, SLINE records can appear before the FUN stab to which they +// belong, and their values are absolute addresses, not offsets. +TEST_F(Stabs, LeadingLine) { + stabs.set_endianness(kBigEndian); + stabs.set_value_size(4); + stabs + .Stab(N_SO, 179, 27357, 0x8adabc15, "build directory/") + .Stab(N_SO, 52, 53058, 0x4c7e3bf4, "compilation unit") + .Stab(N_SOL, 165, 12086, 0x6a797ca3, "source file name") + .Stab(N_SLINE, 229, 20015, 0x4cb3d7e0, "") + .Stab(N_SLINE, 89, 43802, 0x4cba8b88, "") + .Stab(N_FUN, 251, 51639, 0xce1b98fa, "rutabaga") + .Stab(N_FUN, 218, 16113, 0x5798, "") + .Stab(N_SO, 52, 53058, 0xd4af4415, ""); + + { + InSequence s; + EXPECT_CALL(mock_handler, + StartCompilationUnit(StrEq("compilation unit"), + 0x4c7e3bf4, StrEq("build directory/"))) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + StartFunction(Eq("rutabaga"), 0xce1b98fa)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + Line(0x4cb3d7e0, StrEq("source file name"), 20015)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + Line(0x4cba8b88, StrEq("source file name"), 43802)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndFunction(0xce1b98fa + 0x5798)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, EndCompilationUnit(0xd4af4415)) + .WillOnce(Return(true)); + } + + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + + +#if defined(HAVE_MACH_O_NLIST_H) +// These tests have no meaning on non-Mach-O-based systems, as +// only Mach-O uses N_SECT to represent public symbols. +TEST_F(Stabs, OnePublicSymbol) { + stabs.set_endianness(kLittleEndian); + stabs.set_value_size(4); + + const uint32_t kExpectedAddress = 0x9000; + const string kExpectedFunctionName("public_function"); + stabs + .Stab(N_SECT, 1, 0, kExpectedAddress, kExpectedFunctionName); + + { + InSequence s; + EXPECT_CALL(mock_handler, + Extern(StrEq(kExpectedFunctionName), + kExpectedAddress)) + .WillOnce(Return(true)); + } + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +TEST_F(Stabs, TwoPublicSymbols) { + stabs.set_endianness(kLittleEndian); + stabs.set_value_size(4); + + const uint32_t kExpectedAddress1 = 0xB0B0B0B0; + const string kExpectedFunctionName1("public_function"); + const uint32_t kExpectedAddress2 = 0xF0F0F0F0; + const string kExpectedFunctionName2("something else"); + stabs + .Stab(N_SECT, 1, 0, kExpectedAddress1, kExpectedFunctionName1) + .Stab(N_SECT, 1, 0, kExpectedAddress2, kExpectedFunctionName2); + + { + InSequence s; + EXPECT_CALL(mock_handler, + Extern(StrEq(kExpectedFunctionName1), + kExpectedAddress1)) + .WillOnce(Return(true)); + EXPECT_CALL(mock_handler, + Extern(StrEq(kExpectedFunctionName2), + kExpectedAddress2)) + .WillOnce(Return(true)); + } + ASSERT_TRUE(ApplyHandlerToMockStabsData()); +} + +#endif + +} // anonymous namespace diff --git a/google-breakpad/src/common/stabs_to_module.cc b/google-breakpad/src/common/stabs_to_module.cc new file mode 100644 index 0000000..e59aebd --- /dev/null +++ b/google-breakpad/src/common/stabs_to_module.cc @@ -0,0 +1,200 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dump_stabs.cc --- implement the StabsToModule class. + +#include +#include +#include +#include + +#include + +#include "common/stabs_to_module.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +// Demangle using abi call. +// Older GCC may not support it. +static string Demangle(const string &mangled) { + int status = 0; + char *demangled = abi::__cxa_demangle(mangled.c_str(), NULL, NULL, &status); + if (status == 0 && demangled != NULL) { + string str(demangled); + free(demangled); + return str; + } + return string(mangled); +} + +StabsToModule::~StabsToModule() { + // Free any functions we've accumulated but not added to the module. + for (vector::const_iterator func_it = functions_.begin(); + func_it != functions_.end(); func_it++) + delete *func_it; + // Free any function that we're currently within. + delete current_function_; +} + +bool StabsToModule::StartCompilationUnit(const char *name, uint64_t address, + const char *build_directory) { + assert(!in_compilation_unit_); + in_compilation_unit_ = true; + current_source_file_name_ = name; + current_source_file_ = module_->FindFile(name); + comp_unit_base_address_ = address; + boundaries_.push_back(static_cast(address)); + return true; +} + +bool StabsToModule::EndCompilationUnit(uint64_t address) { + assert(in_compilation_unit_); + in_compilation_unit_ = false; + comp_unit_base_address_ = 0; + current_source_file_ = NULL; + current_source_file_name_ = NULL; + if (address) + boundaries_.push_back(static_cast(address)); + return true; +} + +bool StabsToModule::StartFunction(const string &name, + uint64_t address) { + assert(!current_function_); + Module::Function *f = new Module::Function; + f->name = Demangle(name); + f->address = address; + f->size = 0; // We compute this in StabsToModule::Finalize(). + f->parameter_size = 0; // We don't provide this information. + current_function_ = f; + boundaries_.push_back(static_cast(address)); + return true; +} + +bool StabsToModule::EndFunction(uint64_t address) { + assert(current_function_); + // Functions in this compilation unit should have address bigger + // than the compilation unit's starting address. There may be a lot + // of duplicated entries for functions in the STABS data. We will + // count on the Module to remove the duplicates. + if (current_function_->address >= comp_unit_base_address_) + functions_.push_back(current_function_); + else + delete current_function_; + current_function_ = NULL; + if (address) + boundaries_.push_back(static_cast(address)); + return true; +} + +bool StabsToModule::Line(uint64_t address, const char *name, int number) { + assert(current_function_); + assert(current_source_file_); + if (name != current_source_file_name_) { + current_source_file_ = module_->FindFile(name); + current_source_file_name_ = name; + } + Module::Line line; + line.address = address; + line.size = 0; // We compute this in StabsToModule::Finalize(). + line.file = current_source_file_; + line.number = number; + current_function_->lines.push_back(line); + return true; +} + +bool StabsToModule::Extern(const string &name, uint64_t address) { + Module::Extern *ext = new Module::Extern; + // Older libstdc++ demangle implementations can crash on unexpected + // input, so be careful about what gets passed in. + if (name.compare(0, 3, "__Z") == 0) { + ext->name = Demangle(name.substr(1)); + } else if (name[0] == '_') { + ext->name = name.substr(1); + } else { + ext->name = name; + } + ext->address = address; + module_->AddExtern(ext); + return true; +} + +void StabsToModule::Warning(const char *format, ...) { + va_list args; + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); +} + +void StabsToModule::Finalize() { + // Sort our boundary list, so we can search it quickly. + sort(boundaries_.begin(), boundaries_.end()); + // Sort all functions by address, just for neatness. + sort(functions_.begin(), functions_.end(), + Module::Function::CompareByAddress); + + for (vector::const_iterator func_it = functions_.begin(); + func_it != functions_.end(); + func_it++) { + Module::Function *f = *func_it; + // Compute the function f's size. + vector::const_iterator boundary + = std::upper_bound(boundaries_.begin(), boundaries_.end(), f->address); + if (boundary != boundaries_.end()) + f->size = *boundary - f->address; + else + // If this is the last function in the module, and the STABS + // reader was unable to give us its ending address, then assign + // it a bogus, very large value. This will happen at most once + // per module: since we've added all functions' addresses to the + // boundary table, only one can be the last. + f->size = kFallbackSize; + + // Compute sizes for each of the function f's lines --- if it has any. + if (!f->lines.empty()) { + stable_sort(f->lines.begin(), f->lines.end(), + Module::Line::CompareByAddress); + vector::iterator last_line = f->lines.end() - 1; + for (vector::iterator line_it = f->lines.begin(); + line_it != last_line; line_it++) + line_it[0].size = line_it[1].address - line_it[0].address; + // Compute the size of the last line from f's end address. + last_line->size = (f->address + f->size) - last_line->address; + } + } + // Now that everything has a size, add our functions to the module, and + // dispose of our private list. + module_->AddFunctions(functions_.begin(), functions_.end()); + functions_.clear(); +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/stabs_to_module.h b/google-breakpad/src/common/stabs_to_module.h new file mode 100644 index 0000000..5e04fa7 --- /dev/null +++ b/google-breakpad/src/common/stabs_to_module.h @@ -0,0 +1,143 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dump_stabs.h: Define the StabsToModule class, which receives +// STABS debugging information from a parser and adds it to a Breakpad +// symbol file. + +#ifndef BREAKPAD_COMMON_STABS_TO_MODULE_H_ +#define BREAKPAD_COMMON_STABS_TO_MODULE_H_ + +#include + +#include +#include + +#include "common/module.h" +#include "common/stabs_reader.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +using std::vector; + +// A StabsToModule is a handler that receives parsed STABS debugging +// information from a StabsReader, and uses that to populate +// a Module. (All classes are in the google_breakpad namespace.) A +// Module represents the contents of a Breakpad symbol file, and knows +// how to write itself out as such. A StabsToModule thus acts as +// the bridge between STABS and Breakpad data. +// When processing Darwin Mach-O files, this also receives public linker +// symbols, like those found in system libraries. +class StabsToModule: public google_breakpad::StabsHandler { + public: + // Receive parsed debugging information from a StabsReader, and + // store it all in MODULE. + StabsToModule(Module *module) : + module_(module), + in_compilation_unit_(false), + comp_unit_base_address_(0), + current_function_(NULL), + current_source_file_(NULL), + current_source_file_name_(NULL) { } + ~StabsToModule(); + + // The standard StabsHandler virtual member functions. + bool StartCompilationUnit(const char *name, uint64_t address, + const char *build_directory); + bool EndCompilationUnit(uint64_t address); + bool StartFunction(const string &name, uint64_t address); + bool EndFunction(uint64_t address); + bool Line(uint64_t address, const char *name, int number); + bool Extern(const string &name, uint64_t address); + void Warning(const char *format, ...); + + // Do any final processing necessary to make module_ contain all the + // data provided by the STABS reader. + // + // Because STABS does not provide reliable size information for + // functions and lines, we need to make a pass over the data after + // processing all the STABS to compute those sizes. We take care of + // that here. + void Finalize(); + + private: + + // An arbitrary, but very large, size to use for functions whose + // size we can't compute properly. + static const uint64_t kFallbackSize = 0x10000000; + + // The module we're contributing debugging info to. + Module *module_; + + // The functions we've generated so far. We don't add these to + // module_ as we parse them. Instead, we wait until we've computed + // their ending address, and their lines' ending addresses. + // + // We could just stick them in module_ from the outset, but if + // module_ already contains data gathered from other debugging + // formats, that would complicate the size computation. + vector functions_; + + // Boundary addresses. STABS doesn't necessarily supply sizes for + // functions and lines, so we need to compute them ourselves by + // finding the next object. + vector boundaries_; + + // True if we are currently within a compilation unit: we have gotten a + // StartCompilationUnit call, but no matching EndCompilationUnit call + // yet. We use this for sanity checks. + bool in_compilation_unit_; + + // The base address of the current compilation unit. We use this to + // recognize functions we should omit from the symbol file. (If you + // know the details of why we omit these, please patch this + // comment.) + Module::Address comp_unit_base_address_; + + // The function we're currently contributing lines to. + Module::Function *current_function_; + + // The last Module::File we got a line number in. + Module::File *current_source_file_; + + // The pointer in the .stabstr section of the name that + // current_source_file_ is built from. This allows us to quickly + // recognize when the current line is in the same file as the + // previous one (which it usually is). + const char *current_source_file_name_; +}; + +} // namespace google_breakpad + +#endif // BREAKPAD_COMMON_STABS_TO_MODULE_H_ diff --git a/google-breakpad/src/common/stabs_to_module_unittest.cc b/google-breakpad/src/common/stabs_to_module_unittest.cc new file mode 100644 index 0000000..d445d1d --- /dev/null +++ b/google-breakpad/src/common/stabs_to_module_unittest.cc @@ -0,0 +1,258 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// dump_stabs_unittest.cc: Unit tests for StabsToModule. + +#include + +#include "breakpad_googletest_includes.h" +#include "common/stabs_to_module.h" + +using google_breakpad::Module; +using google_breakpad::StabsToModule; +using std::vector; + +TEST(StabsToModule, SimpleCU) { + Module m("name", "os", "arch", "id"); + StabsToModule h(&m); + + // Feed in a simple compilation unit that defines a function with + // one line. + EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0x9f4d1271e50db93bLL, + "build-directory")); + EXPECT_TRUE(h.StartFunction("function", 0xfde4abbed390c394LL)); + EXPECT_TRUE(h.Line(0xfde4abbed390c394LL, "source-file-name", 174823314)); + EXPECT_TRUE(h.EndFunction(0xfde4abbed390c3a4LL)); + EXPECT_TRUE(h.EndCompilationUnit(0xfee4abbed390c3a4LL)); + h.Finalize(); + + // Now check to see what has been added to the Module. + Module::File *file = m.FindExistingFile("source-file-name"); + ASSERT_TRUE(file != NULL); + + vector functions; + m.GetFunctions(&functions, functions.end()); + ASSERT_EQ((size_t) 1, functions.size()); + Module::Function *function = functions[0]; + EXPECT_STREQ("function", function->name.c_str()); + EXPECT_EQ(0xfde4abbed390c394LL, function->address); + EXPECT_EQ(0x10U, function->size); + EXPECT_EQ(0U, function->parameter_size); + ASSERT_EQ((size_t) 1, function->lines.size()); + Module::Line *line = &function->lines[0]; + EXPECT_EQ(0xfde4abbed390c394LL, line->address); + EXPECT_EQ(0x10U, line->size); // derived from EndFunction + EXPECT_TRUE(line->file == file); + EXPECT_EQ(174823314, line->number); +} + +#ifdef __GNUC__ +// Function name mangling can vary by compiler, so only run mangled-name +// tests on GCC for simplicity's sake. +TEST(StabsToModule, Externs) { + Module m("name", "os", "arch", "id"); + StabsToModule h(&m); + + // Feed in a few Extern symbols. + EXPECT_TRUE(h.Extern("_foo", 0xffff)); + EXPECT_TRUE(h.Extern("__Z21dyldGlobalLockAcquirev", 0xaaaa)); + EXPECT_TRUE(h.Extern("_MorphTableGetNextMorphChain", 0x1111)); + h.Finalize(); + + // Now check to see what has been added to the Module. + vector externs; + m.GetExterns(&externs, externs.end()); + ASSERT_EQ((size_t) 3, externs.size()); + Module::Extern *extern1 = externs[0]; + EXPECT_STREQ("MorphTableGetNextMorphChain", extern1->name.c_str()); + EXPECT_EQ((Module::Address)0x1111, extern1->address); + Module::Extern *extern2 = externs[1]; + EXPECT_STREQ("dyldGlobalLockAcquire()", extern2->name.c_str()); + EXPECT_EQ((Module::Address)0xaaaa, extern2->address); + Module::Extern *extern3 = externs[2]; + EXPECT_STREQ("foo", extern3->name.c_str()); + EXPECT_EQ((Module::Address)0xffff, extern3->address); +} +#endif // __GNUC__ + +TEST(StabsToModule, DuplicateFunctionNames) { + Module m("name", "os", "arch", "id"); + StabsToModule h(&m); + + // Compilation unit with one function, mangled name. + EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xf2cfda36ecf7f46cLL, + "build-directory")); + EXPECT_TRUE(h.StartFunction("funcfoo", + 0xf2cfda36ecf7f46dLL)); + EXPECT_TRUE(h.EndFunction(0)); + EXPECT_TRUE(h.StartFunction("funcfoo", + 0xf2cfda36ecf7f46dLL)); + EXPECT_TRUE(h.EndFunction(0)); + EXPECT_TRUE(h.EndCompilationUnit(0)); + + h.Finalize(); + + // Now check to see what has been added to the Module. + Module::File *file = m.FindExistingFile("compilation-unit"); + ASSERT_TRUE(file != NULL); + + vector functions; + m.GetFunctions(&functions, functions.end()); + ASSERT_EQ(1U, functions.size()); + + Module::Function *function = functions[0]; + EXPECT_EQ(0xf2cfda36ecf7f46dLL, function->address); + EXPECT_LT(0U, function->size); // should have used dummy size + EXPECT_EQ(0U, function->parameter_size); + ASSERT_EQ(0U, function->lines.size()); +} + +TEST(InferSizes, LineSize) { + Module m("name", "os", "arch", "id"); + StabsToModule h(&m); + + // Feed in a simple compilation unit that defines a function with + // one line. + EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xb4513962eff94e92LL, + "build-directory")); + EXPECT_TRUE(h.StartFunction("function", 0xb4513962eff94e92LL)); + EXPECT_TRUE(h.Line(0xb4513962eff94e92LL, "source-file-name-1", 77396614)); + EXPECT_TRUE(h.Line(0xb4513963eff94e92LL, "source-file-name-2", 87660088)); + EXPECT_TRUE(h.EndFunction(0)); // unknown function end address + EXPECT_TRUE(h.EndCompilationUnit(0)); // unknown CU end address + EXPECT_TRUE(h.StartCompilationUnit("compilation-unit-2", 0xb4523963eff94e92LL, + "build-directory-2")); // next boundary + EXPECT_TRUE(h.EndCompilationUnit(0)); + h.Finalize(); + + // Now check to see what has been added to the Module. + Module::File *file1 = m.FindExistingFile("source-file-name-1"); + ASSERT_TRUE(file1 != NULL); + Module::File *file2 = m.FindExistingFile("source-file-name-2"); + ASSERT_TRUE(file2 != NULL); + + vector functions; + m.GetFunctions(&functions, functions.end()); + ASSERT_EQ((size_t) 1, functions.size()); + + Module::Function *function = functions[0]; + EXPECT_STREQ("function", function->name.c_str()); + EXPECT_EQ(0xb4513962eff94e92LL, function->address); + EXPECT_EQ(0x1000100000000ULL, function->size); // inferred from CU end + EXPECT_EQ(0U, function->parameter_size); + ASSERT_EQ((size_t) 2, function->lines.size()); + + Module::Line *line1 = &function->lines[0]; + EXPECT_EQ(0xb4513962eff94e92LL, line1->address); + EXPECT_EQ(0x100000000ULL, line1->size); // derived from EndFunction + EXPECT_TRUE(line1->file == file1); + EXPECT_EQ(77396614, line1->number); + + Module::Line *line2 = &function->lines[1]; + EXPECT_EQ(0xb4513963eff94e92LL, line2->address); + EXPECT_EQ(0x1000000000000ULL, line2->size); // derived from EndFunction + EXPECT_TRUE(line2->file == file2); + EXPECT_EQ(87660088, line2->number); +} + +#ifdef __GNUC__ +// Function name mangling can vary by compiler, so only run mangled-name +// tests on GCC for simplicity's sake. +TEST(FunctionNames, Mangled) { + Module m("name", "os", "arch", "id"); + StabsToModule h(&m); + + // Compilation unit with one function, mangled name. + EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xf2cfda63cef7f46cLL, + "build-directory")); + EXPECT_TRUE(h.StartFunction("_ZNSt6vectorIySaIyEE9push_backERKy", + 0xf2cfda63cef7f46dLL)); + EXPECT_TRUE(h.EndFunction(0)); + EXPECT_TRUE(h.EndCompilationUnit(0)); + + h.Finalize(); + + // Now check to see what has been added to the Module. + Module::File *file = m.FindExistingFile("compilation-unit"); + ASSERT_TRUE(file != NULL); + + vector functions; + m.GetFunctions(&functions, functions.end()); + ASSERT_EQ(1U, functions.size()); + + Module::Function *function = functions[0]; + // This is GCC-specific, but we shouldn't be seeing STABS data anywhere + // but Linux. + EXPECT_STREQ("std::vector >::" + "push_back(unsigned long long const&)", + function->name.c_str()); + EXPECT_EQ(0xf2cfda63cef7f46dLL, function->address); + EXPECT_LT(0U, function->size); // should have used dummy size + EXPECT_EQ(0U, function->parameter_size); + ASSERT_EQ(0U, function->lines.size()); +} +#endif // __GNUC__ + +// The GNU toolchain can omit functions that are not used; however, +// when it does so, it doesn't clean up the debugging information that +// refers to them. In STABS, this results in compilation units whose +// SO addresses are zero. +TEST(Omitted, Function) { + Module m("name", "os", "arch", "id"); + StabsToModule h(&m); + + // The StartCompilationUnit and EndCompilationUnit calls may both have an + // address of zero if the compilation unit has had sections removed. + EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0, "build-directory")); + EXPECT_TRUE(h.StartFunction("function", 0x2a133596)); + EXPECT_TRUE(h.EndFunction(0)); + EXPECT_TRUE(h.EndCompilationUnit(0)); +} + +// TODO --- if we actually cared about STABS. Even without these we've +// got full coverage of non-failure source lines in dump_stabs.cc. + +// Line size from next line +// Line size from function end +// Line size from next function start +// line size from cu end +// line size from next cu start +// fallback size is something plausible + +// function size from function end +// function size from next function start +// function size from cu end +// function size from next cu start +// fallback size is something plausible + +// omitting functions outside the compilation unit's address range +// zero-line, one-line, many-line functions diff --git a/google-breakpad/src/common/string_conversion.cc b/google-breakpad/src/common/string_conversion.cc new file mode 100644 index 0000000..c4107fa --- /dev/null +++ b/google-breakpad/src/common/string_conversion.cc @@ -0,0 +1,155 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include + +#include "common/convert_UTF.h" +#include "common/scoped_ptr.h" +#include "common/string_conversion.h" +#include "common/using_std_string.h" + +namespace google_breakpad { + +using std::vector; + +void UTF8ToUTF16(const char *in, vector *out) { + size_t source_length = strlen(in); + const UTF8 *source_ptr = reinterpret_cast(in); + const UTF8 *source_end_ptr = source_ptr + source_length; + // Erase the contents and zero fill to the expected size + out->clear(); + out->insert(out->begin(), source_length, 0); + uint16_t *target_ptr = &(*out)[0]; + uint16_t *target_end_ptr = target_ptr + out->capacity() * sizeof(uint16_t); + ConversionResult result = ConvertUTF8toUTF16(&source_ptr, source_end_ptr, + &target_ptr, target_end_ptr, + strictConversion); + + // Resize to be the size of the # of converted characters + NULL + out->resize(result == conversionOK ? target_ptr - &(*out)[0] + 1: 0); +} + +int UTF8ToUTF16Char(const char *in, int in_length, uint16_t out[2]) { + const UTF8 *source_ptr = reinterpret_cast(in); + const UTF8 *source_end_ptr = source_ptr + sizeof(char); + uint16_t *target_ptr = out; + uint16_t *target_end_ptr = target_ptr + 2 * sizeof(uint16_t); + out[0] = out[1] = 0; + + // Process one character at a time + while (1) { + ConversionResult result = ConvertUTF8toUTF16(&source_ptr, source_end_ptr, + &target_ptr, target_end_ptr, + strictConversion); + + if (result == conversionOK) + return static_cast(source_ptr - reinterpret_cast(in)); + + // Add another character to the input stream and try again + source_ptr = reinterpret_cast(in); + ++source_end_ptr; + + if (source_end_ptr > reinterpret_cast(in) + in_length) + break; + } + + return 0; +} + +void UTF32ToUTF16(const wchar_t *in, vector *out) { + size_t source_length = wcslen(in); + const UTF32 *source_ptr = reinterpret_cast(in); + const UTF32 *source_end_ptr = source_ptr + source_length; + // Erase the contents and zero fill to the expected size + out->clear(); + out->insert(out->begin(), source_length, 0); + uint16_t *target_ptr = &(*out)[0]; + uint16_t *target_end_ptr = target_ptr + out->capacity() * sizeof(uint16_t); + ConversionResult result = ConvertUTF32toUTF16(&source_ptr, source_end_ptr, + &target_ptr, target_end_ptr, + strictConversion); + + // Resize to be the size of the # of converted characters + NULL + out->resize(result == conversionOK ? target_ptr - &(*out)[0] + 1: 0); +} + +void UTF32ToUTF16Char(wchar_t in, uint16_t out[2]) { + const UTF32 *source_ptr = reinterpret_cast(&in); + const UTF32 *source_end_ptr = source_ptr + 1; + uint16_t *target_ptr = out; + uint16_t *target_end_ptr = target_ptr + 2 * sizeof(uint16_t); + out[0] = out[1] = 0; + ConversionResult result = ConvertUTF32toUTF16(&source_ptr, source_end_ptr, + &target_ptr, target_end_ptr, + strictConversion); + + if (result != conversionOK) { + out[0] = out[1] = 0; + } +} + +static inline uint16_t Swap(uint16_t value) { + return (value >> 8) | static_cast(value << 8); +} + +string UTF16ToUTF8(const vector &in, bool swap) { + const UTF16 *source_ptr = &in[0]; + scoped_ptr source_buffer; + + // If we're to swap, we need to make a local copy and swap each byte pair + if (swap) { + int idx = 0; + source_buffer.reset(new uint16_t[in.size()]); + UTF16 *source_buffer_ptr = source_buffer.get(); + for (vector::const_iterator it = in.begin(); + it != in.end(); ++it, ++idx) + source_buffer_ptr[idx] = Swap(*it); + + source_ptr = source_buffer.get(); + } + + // The maximum expansion would be 4x the size of the input string. + const UTF16 *source_end_ptr = source_ptr + in.size(); + size_t target_capacity = in.size() * 4; + scoped_array target_buffer(new UTF8[target_capacity]); + UTF8 *target_ptr = target_buffer.get(); + UTF8 *target_end_ptr = target_ptr + target_capacity; + ConversionResult result = ConvertUTF16toUTF8(&source_ptr, source_end_ptr, + &target_ptr, target_end_ptr, + strictConversion); + + if (result == conversionOK) { + const char *targetPtr = reinterpret_cast(target_buffer.get()); + return targetPtr; + } + + return ""; +} + +} // namespace google_breakpad diff --git a/google-breakpad/src/common/string_conversion.h b/google-breakpad/src/common/string_conversion.h new file mode 100644 index 0000000..b9ba96a --- /dev/null +++ b/google-breakpad/src/common/string_conversion.h @@ -0,0 +1,68 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// string_conversion.h: Conversion between different UTF-8/16/32 encodings. + +#ifndef COMMON_STRING_CONVERSION_H__ +#define COMMON_STRING_CONVERSION_H__ + +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +using std::vector; + +// Convert |in| to UTF-16 into |out|. Use platform byte ordering. If the +// conversion failed, |out| will be zero length. +void UTF8ToUTF16(const char *in, vector *out); + +// Convert at least one character (up to a maximum of |in_length|) from |in| +// to UTF-16 into |out|. Return the number of characters consumed from |in|. +// Any unused characters in |out| will be initialized to 0. No memory will +// be allocated by this routine. +int UTF8ToUTF16Char(const char *in, int in_length, uint16_t out[2]); + +// Convert |in| to UTF-16 into |out|. Use platform byte ordering. If the +// conversion failed, |out| will be zero length. +void UTF32ToUTF16(const wchar_t *in, vector *out); + +// Convert |in| to UTF-16 into |out|. Any unused characters in |out| will be +// initialized to 0. No memory will be allocated by this routine. +void UTF32ToUTF16Char(wchar_t in, uint16_t out[2]); + +// Convert |in| to UTF-8. If |swap| is true, swap bytes before converting. +string UTF16ToUTF8(const vector &in, bool swap); + +} // namespace google_breakpad + +#endif // COMMON_STRING_CONVERSION_H__ diff --git a/google-breakpad/src/common/symbol_data.h b/google-breakpad/src/common/symbol_data.h new file mode 100644 index 0000000..2cf15a8 --- /dev/null +++ b/google-breakpad/src/common/symbol_data.h @@ -0,0 +1,42 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2013 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef COMMON_SYMBOL_DATA_H_ +#define COMMON_SYMBOL_DATA_H_ + +// Control what data is used from the symbol file. +enum SymbolData { + ALL_SYMBOL_DATA, + NO_CFI, + ONLY_CFI +}; + +#endif // COMMON_SYMBOL_DATA_H_ diff --git a/google-breakpad/src/common/test_assembler.cc b/google-breakpad/src/common/test_assembler.cc new file mode 100644 index 0000000..1e783b4 --- /dev/null +++ b/google-breakpad/src/common/test_assembler.cc @@ -0,0 +1,359 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// test_assembler.cc: Implementation of google_breakpad::TestAssembler. +// See test_assembler.h for details. + +#include "common/test_assembler.h" + +#include +#include + +#include + +namespace google_breakpad { +namespace test_assembler { + +using std::back_insert_iterator; + +Label::Label() : value_(new Binding()) { } +Label::Label(uint64_t value) : value_(new Binding(value)) { } +Label::Label(const Label &label) { + value_ = label.value_; + value_->Acquire(); +} +Label::~Label() { + if (value_->Release()) delete value_; +} + +Label &Label::operator=(uint64_t value) { + value_->Set(NULL, value); + return *this; +} + +Label &Label::operator=(const Label &label) { + value_->Set(label.value_, 0); + return *this; +} + +Label Label::operator+(uint64_t addend) const { + Label l; + l.value_->Set(this->value_, addend); + return l; +} + +Label Label::operator-(uint64_t subtrahend) const { + Label l; + l.value_->Set(this->value_, -subtrahend); + return l; +} + +// When NDEBUG is #defined, assert doesn't evaluate its argument. This +// means you can't simply use assert to check the return value of a +// function with necessary side effects. +// +// ALWAYS_EVALUATE_AND_ASSERT(x) evaluates x regardless of whether +// NDEBUG is #defined; when NDEBUG is not #defined, it further asserts +// that x is true. +#ifdef NDEBUG +#define ALWAYS_EVALUATE_AND_ASSERT(x) x +#else +#define ALWAYS_EVALUATE_AND_ASSERT(x) assert(x) +#endif + +uint64_t Label::operator-(const Label &label) const { + uint64_t offset; + ALWAYS_EVALUATE_AND_ASSERT(IsKnownOffsetFrom(label, &offset)); + return offset; +} + +uint64_t Label::Value() const { + uint64_t v = 0; + ALWAYS_EVALUATE_AND_ASSERT(IsKnownConstant(&v)); + return v; +}; + +bool Label::IsKnownConstant(uint64_t *value_p) const { + Binding *base; + uint64_t addend; + value_->Get(&base, &addend); + if (base != NULL) return false; + if (value_p) *value_p = addend; + return true; +} + +bool Label::IsKnownOffsetFrom(const Label &label, uint64_t *offset_p) const +{ + Binding *label_base, *this_base; + uint64_t label_addend, this_addend; + label.value_->Get(&label_base, &label_addend); + value_->Get(&this_base, &this_addend); + // If this and label are related, Get will find their final + // common ancestor, regardless of how indirect the relation is. This + // comparison also handles the constant vs. constant case. + if (this_base != label_base) return false; + if (offset_p) *offset_p = this_addend - label_addend; + return true; +} + +Label::Binding::Binding() : base_(this), addend_(), reference_count_(1) { } + +Label::Binding::Binding(uint64_t addend) + : base_(NULL), addend_(addend), reference_count_(1) { } + +Label::Binding::~Binding() { + assert(reference_count_ == 0); + if (base_ && base_ != this && base_->Release()) + delete base_; +} + +void Label::Binding::Set(Binding *binding, uint64_t addend) { + if (!base_ && !binding) { + // We're equating two constants. This could be okay. + assert(addend_ == addend); + } else if (!base_) { + // We are a known constant, but BINDING may not be, so turn the + // tables and try to set BINDING's value instead. + binding->Set(NULL, addend_ - addend); + } else { + if (binding) { + // Find binding's final value. Since the final value is always either + // completely unconstrained or a constant, never a reference to + // another variable (otherwise, it wouldn't be final), this + // guarantees we won't create cycles here, even for code like this: + // l = m, m = n, n = l; + uint64_t binding_addend; + binding->Get(&binding, &binding_addend); + addend += binding_addend; + } + + // It seems likely that setting a binding to itself is a bug + // (although I can imagine this might turn out to be helpful to + // permit). + assert(binding != this); + + if (base_ != this) { + // Set the other bindings on our chain as well. Note that this + // is sufficient even though binding relationships form trees: + // All binding operations traverse their chains to the end, and + // all bindings related to us share some tail of our chain, so + // they will see the changes we make here. + base_->Set(binding, addend - addend_); + // We're not going to use base_ any more. + if (base_->Release()) delete base_; + } + + // Adopt BINDING as our base. Note that it should be correct to + // acquire here, after the release above, even though the usual + // reference-counting rules call for acquiring first, and then + // releasing: the self-reference assertion above should have + // complained if BINDING were 'this' or anywhere along our chain, + // so we didn't release BINDING. + if (binding) binding->Acquire(); + base_ = binding; + addend_ = addend; + } +} + +void Label::Binding::Get(Binding **base, uint64_t *addend) { + if (base_ && base_ != this) { + // Recurse to find the end of our reference chain (the root of our + // tree), and then rewrite every binding along the chain to refer + // to it directly, adjusting addends appropriately. (This is why + // this member function isn't this-const.) + Binding *final_base; + uint64_t final_addend; + base_->Get(&final_base, &final_addend); + if (final_base) final_base->Acquire(); + if (base_->Release()) delete base_; + base_ = final_base; + addend_ += final_addend; + } + *base = base_; + *addend = addend_; +} + +template +static inline void InsertEndian(test_assembler::Endianness endianness, + size_t size, uint64_t number, Inserter dest) { + assert(size > 0); + if (endianness == kLittleEndian) { + for (size_t i = 0; i < size; i++) { + *dest++ = (char) (number & 0xff); + number >>= 8; + } + } else { + assert(endianness == kBigEndian); + // The loop condition is odd, but it's correct for size_t. + for (size_t i = size - 1; i < size; i--) + *dest++ = (char) ((number >> (i * 8)) & 0xff); + } +} + +Section &Section::Append(Endianness endianness, size_t size, uint64_t number) { + InsertEndian(endianness, size, number, + back_insert_iterator(contents_)); + return *this; +} + +Section &Section::Append(Endianness endianness, size_t size, + const Label &label) { + // If this label's value is known, there's no reason to waste an + // entry in references_ on it. + uint64_t value; + if (label.IsKnownConstant(&value)) + return Append(endianness, size, value); + + // This will get caught when the references are resolved, but it's + // nicer to find out earlier. + assert(endianness != kUnsetEndian); + + references_.push_back(Reference(contents_.size(), endianness, size, label)); + contents_.append(size, 0); + return *this; +} + +#define ENDIANNESS_L kLittleEndian +#define ENDIANNESS_B kBigEndian +#define ENDIANNESS(e) ENDIANNESS_ ## e + +#define DEFINE_SHORT_APPEND_NUMBER_ENDIAN(e, bits) \ + Section &Section::e ## bits(uint ## bits ## _t v) { \ + InsertEndian(ENDIANNESS(e), bits / 8, v, \ + back_insert_iterator(contents_)); \ + return *this; \ + } + +#define DEFINE_SHORT_APPEND_LABEL_ENDIAN(e, bits) \ + Section &Section::e ## bits(const Label &v) { \ + return Append(ENDIANNESS(e), bits / 8, v); \ + } + +// Define L16, B32, and friends. +#define DEFINE_SHORT_APPEND_ENDIAN(e, bits) \ + DEFINE_SHORT_APPEND_NUMBER_ENDIAN(e, bits) \ + DEFINE_SHORT_APPEND_LABEL_ENDIAN(e, bits) + +DEFINE_SHORT_APPEND_LABEL_ENDIAN(L, 8); +DEFINE_SHORT_APPEND_LABEL_ENDIAN(B, 8); +DEFINE_SHORT_APPEND_ENDIAN(L, 16); +DEFINE_SHORT_APPEND_ENDIAN(L, 32); +DEFINE_SHORT_APPEND_ENDIAN(L, 64); +DEFINE_SHORT_APPEND_ENDIAN(B, 16); +DEFINE_SHORT_APPEND_ENDIAN(B, 32); +DEFINE_SHORT_APPEND_ENDIAN(B, 64); + +#define DEFINE_SHORT_APPEND_NUMBER_DEFAULT(bits) \ + Section &Section::D ## bits(uint ## bits ## _t v) { \ + InsertEndian(endianness_, bits / 8, v, \ + back_insert_iterator(contents_)); \ + return *this; \ + } +#define DEFINE_SHORT_APPEND_LABEL_DEFAULT(bits) \ + Section &Section::D ## bits(const Label &v) { \ + return Append(endianness_, bits / 8, v); \ + } +#define DEFINE_SHORT_APPEND_DEFAULT(bits) \ + DEFINE_SHORT_APPEND_NUMBER_DEFAULT(bits) \ + DEFINE_SHORT_APPEND_LABEL_DEFAULT(bits) + +DEFINE_SHORT_APPEND_LABEL_DEFAULT(8) +DEFINE_SHORT_APPEND_DEFAULT(16); +DEFINE_SHORT_APPEND_DEFAULT(32); +DEFINE_SHORT_APPEND_DEFAULT(64); + +Section &Section::Append(const Section §ion) { + size_t base = contents_.size(); + contents_.append(section.contents_); + for (vector::const_iterator it = section.references_.begin(); + it != section.references_.end(); it++) + references_.push_back(Reference(base + it->offset, it->endianness, + it->size, it->label)); + return *this; +} + +Section &Section::LEB128(long long value) { + while (value < -0x40 || 0x3f < value) { + contents_ += (value & 0x7f) | 0x80; + if (value < 0) + value = (value >> 7) | ~(((unsigned long long) -1) >> 7); + else + value = (value >> 7); + } + contents_ += value & 0x7f; + return *this; +} + +Section &Section::ULEB128(uint64_t value) { + while (value > 0x7f) { + contents_ += (value & 0x7f) | 0x80; + value = (value >> 7); + } + contents_ += value; + return *this; +} + +Section &Section::Align(size_t alignment, uint8_t pad_byte) { + // ALIGNMENT must be a power of two. + assert(((alignment - 1) & alignment) == 0); + size_t new_size = (contents_.size() + alignment - 1) & ~(alignment - 1); + contents_.append(new_size - contents_.size(), pad_byte); + assert((contents_.size() & (alignment - 1)) == 0); + return *this; +} + +void Section::Clear() { + contents_.clear(); + references_.clear(); +} + +bool Section::GetContents(string *contents) { + // For each label reference, find the label's value, and patch it into + // the section's contents. + for (size_t i = 0; i < references_.size(); i++) { + Reference &r = references_[i]; + uint64_t value; + if (!r.label.IsKnownConstant(&value)) { + fprintf(stderr, "Undefined label #%zu at offset 0x%zx\n", i, r.offset); + return false; + } + assert(r.offset < contents_.size()); + assert(contents_.size() - r.offset >= r.size); + InsertEndian(r.endianness, r.size, value, contents_.begin() + r.offset); + } + contents->clear(); + std::swap(contents_, *contents); + references_.clear(); + return true; +} + +} // namespace test_assembler +} // namespace google_breakpad diff --git a/google-breakpad/src/common/test_assembler.h b/google-breakpad/src/common/test_assembler.h new file mode 100644 index 0000000..373dbeb --- /dev/null +++ b/google-breakpad/src/common/test_assembler.h @@ -0,0 +1,484 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// test-assembler.h: interface to class for building complex binary streams. + +// To test the Breakpad symbol dumper and processor thoroughly, for +// all combinations of host system and minidump processor +// architecture, we need to be able to easily generate complex test +// data like debugging information and minidump files. +// +// For example, if we want our unit tests to provide full code +// coverage for stack walking, it may be difficult to persuade the +// compiler to generate every possible sort of stack walking +// information that we want to support; there are probably DWARF CFI +// opcodes that GCC never emits. Similarly, if we want to test our +// error handling, we will need to generate damaged minidumps or +// debugging information that (we hope) the client or compiler will +// never produce on its own. +// +// google_breakpad::TestAssembler provides a predictable and +// (relatively) simple way to generate complex formatted data streams +// like minidumps and CFI. Furthermore, because TestAssembler is +// portable, developers without access to (say) Visual Studio or a +// SPARC assembler can still work on test data for those targets. + +#ifndef PROCESSOR_TEST_ASSEMBLER_H_ +#define PROCESSOR_TEST_ASSEMBLER_H_ + +#include +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +using std::list; +using std::vector; + +namespace test_assembler { + +// A Label represents a value not yet known that we need to store in a +// section. As long as all the labels a section refers to are defined +// by the time we retrieve its contents as bytes, we can use undefined +// labels freely in that section's construction. +// +// A label can be in one of three states: +// - undefined, +// - defined as the sum of some other label and a constant, or +// - a constant. +// +// A label's value never changes, but it can accumulate constraints. +// Adding labels and integers is permitted, and yields a label. +// Subtracting a constant from a label is permitted, and also yields a +// label. Subtracting two labels that have some relationship to each +// other is permitted, and yields a constant. +// +// For example: +// +// Label a; // a's value is undefined +// Label b; // b's value is undefined +// { +// Label c = a + 4; // okay, even though a's value is unknown +// b = c + 4; // also okay; b is now a+8 +// } +// Label d = b - 2; // okay; d == a+6, even though c is gone +// d.Value(); // error: d's value is not yet known +// d - a; // is 6, even though their values are not known +// a = 12; // now b == 20, and d == 18 +// d.Value(); // 18: no longer an error +// b.Value(); // 20 +// d = 10; // error: d is already defined. +// +// Label objects' lifetimes are unconstrained: notice that, in the +// above example, even though a and b are only related through c, and +// c goes out of scope, the assignment to a sets b's value as well. In +// particular, it's not necessary to ensure that a Label lives beyond +// Sections that refer to it. +class Label { + public: + Label(); // An undefined label. + Label(uint64_t value); // A label with a fixed value + Label(const Label &value); // A label equal to another. + ~Label(); + + // Return this label's value; it must be known. + // + // Providing this as a cast operator is nifty, but the conversions + // happen in unexpected places. In particular, ISO C++ says that + // Label + size_t becomes ambigious, because it can't decide whether + // to convert the Label to a uint64_t and then to a size_t, or use + // the overloaded operator that returns a new label, even though the + // former could fail if the label is not yet defined and the latter won't. + uint64_t Value() const; + + Label &operator=(uint64_t value); + Label &operator=(const Label &value); + Label operator+(uint64_t addend) const; + Label operator-(uint64_t subtrahend) const; + uint64_t operator-(const Label &subtrahend) const; + + // We could also provide == and != that work on undefined, but + // related, labels. + + // Return true if this label's value is known. If VALUE_P is given, + // set *VALUE_P to the known value if returning true. + bool IsKnownConstant(uint64_t *value_p = NULL) const; + + // Return true if the offset from LABEL to this label is known. If + // OFFSET_P is given, set *OFFSET_P to the offset when returning true. + // + // You can think of l.KnownOffsetFrom(m, &d) as being like 'd = l-m', + // except that it also returns a value indicating whether the + // subtraction is possible given what we currently know of l and m. + // It can be possible even if we don't know l and m's values. For + // example: + // + // Label l, m; + // m = l + 10; + // l.IsKnownConstant(); // false + // m.IsKnownConstant(); // false + // uint64_t d; + // l.IsKnownOffsetFrom(m, &d); // true, and sets d to -10. + // l-m // -10 + // m-l // 10 + // m.Value() // error: m's value is not known + bool IsKnownOffsetFrom(const Label &label, uint64_t *offset_p = NULL) const; + + private: + // A label's value, or if that is not yet known, how the value is + // related to other labels' values. A binding may be: + // - a known constant, + // - constrained to be equal to some other binding plus a constant, or + // - unconstrained, and free to take on any value. + // + // Many labels may point to a single binding, and each binding may + // refer to another, so bindings and labels form trees whose leaves + // are labels, whose interior nodes (and roots) are bindings, and + // where links point from children to parents. Bindings are + // reference counted, allowing labels to be lightweight, copyable, + // assignable, placed in containers, and so on. + class Binding { + public: + Binding(); + Binding(uint64_t addend); + ~Binding(); + + // Increment our reference count. + void Acquire() { reference_count_++; }; + // Decrement our reference count, and return true if it is zero. + bool Release() { return --reference_count_ == 0; } + + // Set this binding to be equal to BINDING + ADDEND. If BINDING is + // NULL, then set this binding to the known constant ADDEND. + // Update every binding on this binding's chain to point directly + // to BINDING, or to be a constant, with addends adjusted + // appropriately. + void Set(Binding *binding, uint64_t value); + + // Return what we know about the value of this binding. + // - If this binding's value is a known constant, set BASE to + // NULL, and set ADDEND to its value. + // - If this binding is not a known constant but related to other + // bindings, set BASE to the binding at the end of the relation + // chain (which will always be unconstrained), and set ADDEND to the + // value to add to that binding's value to get this binding's + // value. + // - If this binding is unconstrained, set BASE to this, and leave + // ADDEND unchanged. + void Get(Binding **base, uint64_t *addend); + + private: + // There are three cases: + // + // - A binding representing a known constant value has base_ NULL, + // and addend_ equal to the value. + // + // - A binding representing a completely unconstrained value has + // base_ pointing to this; addend_ is unused. + // + // - A binding whose value is related to some other binding's + // value has base_ pointing to that other binding, and addend_ + // set to the amount to add to that binding's value to get this + // binding's value. We only represent relationships of the form + // x = y+c. + // + // Thus, the bind_ links form a chain terminating in either a + // known constant value or a completely unconstrained value. Most + // operations on bindings do path compression: they change every + // binding on the chain to point directly to the final value, + // adjusting addends as appropriate. + Binding *base_; + uint64_t addend_; + + // The number of Labels and Bindings pointing to this binding. + // (When a binding points to itself, indicating a completely + // unconstrained binding, that doesn't count as a reference.) + int reference_count_; + }; + + // This label's value. + Binding *value_; +}; + +inline Label operator+(uint64_t a, const Label &l) { return l + a; } +// Note that int-Label isn't defined, as negating a Label is not an +// operation we support. + +// Conventions for representing larger numbers as sequences of bytes. +enum Endianness { + kBigEndian, // Big-endian: the most significant byte comes first. + kLittleEndian, // Little-endian: the least significant byte comes first. + kUnsetEndian, // used internally +}; + +// A section is a sequence of bytes, constructed by appending bytes +// to the end. Sections have a convenient and flexible set of member +// functions for appending data in various formats: big-endian and +// little-endian signed and unsigned values of different sizes; +// LEB128 and ULEB128 values (see below), and raw blocks of bytes. +// +// If you need to append a value to a section that is not convenient +// to compute immediately, you can create a label, append the +// label's value to the section, and then set the label's value +// later, when it's convenient to do so. Once a label's value is +// known, the section class takes care of updating all previously +// appended references to it. +// +// Once all the labels to which a section refers have had their +// values determined, you can get a copy of the section's contents +// as a string. +// +// Note that there is no specified "start of section" label. This is +// because there are typically several different meanings for "the +// start of a section": the offset of the section within an object +// file, the address in memory at which the section's content appear, +// and so on. It's up to the code that uses the Section class to +// keep track of these explicitly, as they depend on the application. +class Section { + public: + Section(Endianness endianness = kUnsetEndian) + : endianness_(endianness) { }; + + // A base class destructor should be either public and virtual, + // or protected and nonvirtual. + virtual ~Section() { }; + + // Set the default endianness of this section to ENDIANNESS. This + // sets the behavior of the D appending functions. If the + // assembler's default endianness was set, this is the + void set_endianness(Endianness endianness) { + endianness_ = endianness; + } + + // Return the default endianness of this section. + Endianness endianness() const { return endianness_; } + + // Append the SIZE bytes at DATA or the contents of STRING to the + // end of this section. Return a reference to this section. + Section &Append(const uint8_t *data, size_t size) { + contents_.append(reinterpret_cast(data), size); + return *this; + }; + Section &Append(const string &data) { + contents_.append(data); + return *this; + }; + + // Append SIZE copies of BYTE to the end of this section. Return a + // reference to this section. + Section &Append(size_t size, uint8_t byte) { + contents_.append(size, (char) byte); + return *this; + } + + // Append NUMBER to this section. ENDIANNESS is the endianness to + // use to write the number. SIZE is the length of the number in + // bytes. Return a reference to this section. + Section &Append(Endianness endianness, size_t size, uint64_t number); + Section &Append(Endianness endianness, size_t size, const Label &label); + + // Append SECTION to the end of this section. The labels SECTION + // refers to need not be defined yet. + // + // Note that this has no effect on any Labels' values, or on + // SECTION. If placing SECTION within 'this' provides new + // constraints on existing labels' values, then it's up to the + // caller to fiddle with those labels as needed. + Section &Append(const Section §ion); + + // Append the contents of DATA as a series of bytes terminated by + // a NULL character. + Section &AppendCString(const string &data) { + Append(data); + contents_ += '\0'; + return *this; + } + + // Append at most SIZE bytes from DATA; if DATA is less than SIZE bytes + // long, pad with '\0' characters. + Section &AppendCString(const string &data, size_t size) { + contents_.append(data, 0, size); + if (data.size() < size) + Append(size - data.size(), 0); + return *this; + } + + // Append VALUE or LABEL to this section, with the given bit width and + // endianness. Return a reference to this section. + // + // The names of these functions have the form : + // is either 'L' (little-endian, least significant byte first), + // 'B' (big-endian, most significant byte first), or + // 'D' (default, the section's default endianness) + // is 8, 16, 32, or 64. + // + // Since endianness doesn't matter for a single byte, all the + // =8 functions are equivalent. + // + // These can be used to write both signed and unsigned values, as + // the compiler will properly sign-extend a signed value before + // passing it to the function, at which point the function's + // behavior is the same either way. + Section &L8(uint8_t value) { contents_ += value; return *this; } + Section &B8(uint8_t value) { contents_ += value; return *this; } + Section &D8(uint8_t value) { contents_ += value; return *this; } + Section &L16(uint16_t), &L32(uint32_t), &L64(uint64_t), + &B16(uint16_t), &B32(uint32_t), &B64(uint64_t), + &D16(uint16_t), &D32(uint32_t), &D64(uint64_t); + Section &L8(const Label &label), &L16(const Label &label), + &L32(const Label &label), &L64(const Label &label), + &B8(const Label &label), &B16(const Label &label), + &B32(const Label &label), &B64(const Label &label), + &D8(const Label &label), &D16(const Label &label), + &D32(const Label &label), &D64(const Label &label); + + // Append VALUE in a signed LEB128 (Little-Endian Base 128) form. + // + // The signed LEB128 representation of an integer N is a variable + // number of bytes: + // + // - If N is between -0x40 and 0x3f, then its signed LEB128 + // representation is a single byte whose value is N. + // + // - Otherwise, its signed LEB128 representation is (N & 0x7f) | + // 0x80, followed by the signed LEB128 representation of N / 128, + // rounded towards negative infinity. + // + // In other words, we break VALUE into groups of seven bits, put + // them in little-endian order, and then write them as eight-bit + // bytes with the high bit on all but the last. + // + // Note that VALUE cannot be a Label (we would have to implement + // relaxation). + Section &LEB128(long long value); + + // Append VALUE in unsigned LEB128 (Little-Endian Base 128) form. + // + // The unsigned LEB128 representation of an integer N is a variable + // number of bytes: + // + // - If N is between 0 and 0x7f, then its unsigned LEB128 + // representation is a single byte whose value is N. + // + // - Otherwise, its unsigned LEB128 representation is (N & 0x7f) | + // 0x80, followed by the unsigned LEB128 representation of N / + // 128, rounded towards negative infinity. + // + // Note that VALUE cannot be a Label (we would have to implement + // relaxation). + Section &ULEB128(uint64_t value); + + // Jump to the next location aligned on an ALIGNMENT-byte boundary, + // relative to the start of the section. Fill the gap with PAD_BYTE. + // ALIGNMENT must be a power of two. Return a reference to this + // section. + Section &Align(size_t alignment, uint8_t pad_byte = 0); + + // Clear the contents of this section. + void Clear(); + + // Return the current size of the section. + size_t Size() const { return contents_.size(); } + + // Return a label representing the start of the section. + // + // It is up to the user whether this label represents the section's + // position in an object file, the section's address in memory, or + // what have you; some applications may need both, in which case + // this simple-minded interface won't be enough. This class only + // provides a single start label, for use with the Here and Mark + // member functions. + // + // Ideally, we'd provide this in a subclass that actually knows more + // about the application at hand and can provide an appropriate + // collection of start labels. But then the appending member + // functions like Append and D32 would return a reference to the + // base class, not the derived class, and the chaining won't work. + // Since the only value here is in pretty notation, that's a fatal + // flaw. + Label start() const { return start_; } + + // Return a label representing the point at which the next Appended + // item will appear in the section, relative to start(). + Label Here() const { return start_ + Size(); } + + // Set *LABEL to Here, and return a reference to this section. + Section &Mark(Label *label) { *label = Here(); return *this; } + + // If there are no undefined label references left in this + // section, set CONTENTS to the contents of this section, as a + // string, and clear this section. Return true on success, or false + // if there were still undefined labels. + bool GetContents(string *contents); + + private: + // Used internally. A reference to a label's value. + struct Reference { + Reference(size_t set_offset, Endianness set_endianness, size_t set_size, + const Label &set_label) + : offset(set_offset), endianness(set_endianness), size(set_size), + label(set_label) { } + + // The offset of the reference within the section. + size_t offset; + + // The endianness of the reference. + Endianness endianness; + + // The size of the reference. + size_t size; + + // The label to which this is a reference. + Label label; + }; + + // The default endianness of this section. + Endianness endianness_; + + // The contents of the section. + string contents_; + + // References to labels within those contents. + vector references_; + + // A label referring to the beginning of the section. + Label start_; +}; + +} // namespace test_assembler +} // namespace google_breakpad + +#endif // PROCESSOR_TEST_ASSEMBLER_H_ diff --git a/google-breakpad/src/common/test_assembler_unittest.cc b/google-breakpad/src/common/test_assembler_unittest.cc new file mode 100644 index 0000000..94b5a5c --- /dev/null +++ b/google-breakpad/src/common/test_assembler_unittest.cc @@ -0,0 +1,1662 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy + +// test_assembler_unittest.cc: Unit tests for google_breakpad::TestAssembler. + +#include +#include + +#include "breakpad_googletest_includes.h" +#include "common/test_assembler.h" +#include "common/using_std_string.h" + +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::Section; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; +using testing::Test; + +TEST(ConstructLabel, Simple) { + Label l; +} + +TEST(ConstructLabel, Undefined) { + Label l; + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(ConstructLabelDeathTest, Undefined) { + Label l; + ASSERT_DEATH(l.Value(), "IsKnownConstant\\(&v\\)"); +} + +TEST(ConstructLabel, Constant) { + Label l(0x060b9f974eaf301eULL); + uint64_t v; + EXPECT_TRUE(l.IsKnownConstant(&v)); + EXPECT_EQ(v, 0x060b9f974eaf301eULL); + EXPECT_EQ(l.Value(), 0x060b9f974eaf301eULL); +} + +TEST(ConstructLabel, Copy) { + Label l; + Label m(l); + uint64_t v; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &v)); + EXPECT_EQ(0U, v); +} + +// The left-hand-side of a label assignment can be either +// unconstrained, related, or known. The right-hand-side can be any of +// those, or an integer. +TEST(Assignment, UnconstrainedToUnconstrained) { + Label l, m; + l = m; + EXPECT_EQ(0U, l-m); + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, UnconstrainedToRelated) { + Label l, m, n; + l = n; + l = m; + EXPECT_EQ(0U, l-m); + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, UnconstrainedToKnown) { + Label l, m; + l = 0x8fd16e55b20a39c1ULL; + l = m; + EXPECT_EQ(0U, l-m); + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &d)); + EXPECT_EQ(0U, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x8fd16e55b20a39c1ULL, m.Value()); +} + +TEST(Assignment, RelatedToUnconstrained) { + Label l, m, n; + m = n; + l = m; + EXPECT_EQ(0U, l-n); + EXPECT_TRUE(l.IsKnownOffsetFrom(n)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(n, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, RelatedToRelated) { + Label l, m, n, o; + l = n; + m = o; + l = m; + EXPECT_EQ(0U, n-o); + EXPECT_TRUE(n.IsKnownOffsetFrom(o)); + uint64_t d; + EXPECT_TRUE(n.IsKnownOffsetFrom(o, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, RelatedToKnown) { + Label l, m, n; + m = n; + l = 0xd2011f8c82ad56f2ULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0xd2011f8c82ad56f2ULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0xd2011f8c82ad56f2ULL, m.Value()); + EXPECT_TRUE(n.IsKnownConstant()); + EXPECT_EQ(0xd2011f8c82ad56f2ULL, n.Value()); +} + +TEST(Assignment, KnownToUnconstrained) { + Label l, m; + m = 0x50b024c0d6073887ULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x50b024c0d6073887ULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x50b024c0d6073887ULL, m.Value()); +} + +TEST(Assignment, KnownToRelated) { + Label l, m, n; + l = n; + m = 0x5348883655c727e5ULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x5348883655c727e5ULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x5348883655c727e5ULL, m.Value()); + EXPECT_TRUE(n.IsKnownConstant()); + EXPECT_EQ(0x5348883655c727e5ULL, n.Value()); +} + +TEST(Assignment, KnownToKnown) { + Label l, m; + l = 0x36c209c20987564eULL; + m = 0x36c209c20987564eULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x36c209c20987564eULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x36c209c20987564eULL, m.Value()); +} + +TEST(Assignment, ConstantToUnconstrained) { + Label l; + l = 0xc02495f4d7f5a957ULL; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0xc02495f4d7f5a957ULL, l.Value()); +} + +TEST(Assignment, ConstantToRelated) { + Label l, m; + l = m; + l = 0x4577901cf275488dULL; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x4577901cf275488dULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x4577901cf275488dULL, m.Value()); +} + +TEST(Assignment, ConstantToKnown) { + Label l; + l = 0xec0b9c369b7e8ea7ULL; + l = 0xec0b9c369b7e8ea7ULL; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0xec0b9c369b7e8ea7ULL, l.Value()); +} + +TEST(AssignmentDeathTest, Self) { + Label l; + ASSERT_DEATH(l = l, "binding != this"); +} + +TEST(AssignmentDeathTest, IndirectCycle) { + Label l, m, n; + l = m; + m = n; + ASSERT_DEATH(n = l, "binding != this"); +} + +TEST(AssignmentDeathTest, Cycle) { + Label l, m, n, o; + l = m; + m = n; + o = n; + ASSERT_DEATH(o = l, "binding != this"); +} + +TEST(Addition, LabelConstant) { + Label l, m; + m = l + 0x5248d93e8bbe9497ULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0x5248d93e8bbe9497ULL, d); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(Addition, ConstantLabel) { + Label l, m; + m = 0xf51e94e00d6e3c84ULL + l; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0xf51e94e00d6e3c84ULL, d); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(Addition, KnownLabelConstant) { + Label l, m; + l = 0x16286307042ce0d8ULL; + m = l + 0x3fdddd91306719d7ULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0x3fdddd91306719d7ULL, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x16286307042ce0d8ULL + 0x3fdddd91306719d7ULL, m.Value()); +} + +TEST(Addition, ConstantKnownLabel) { + Label l, m; + l = 0x50f62d0cdd1031deULL; + m = 0x1b13462d8577c538ULL + l; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0x1b13462d8577c538ULL, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x50f62d0cdd1031deULL + 0x1b13462d8577c538ULL, m.Value()); +} + +TEST(Subtraction, LabelConstant) { + Label l, m; + m = l - 0x0620884d21d3138eULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(-0x0620884d21d3138eULL, d); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(Subtraction, KnownLabelConstant) { + Label l, m; + l = 0x6237fbaf9ef7929eULL; + m = l - 0x317730995d2ab6eeULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(-0x317730995d2ab6eeULL, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x6237fbaf9ef7929eULL - 0x317730995d2ab6eeULL, m.Value()); +} + +TEST(SubtractionDeathTest, LabelLabel) { + Label l, m; + ASSERT_DEATH(l - m, "IsKnownOffsetFrom\\(label, &offset\\)"); +} + +TEST(Subtraction, LabelLabel) { + Label l, m; + l = m + 0x7fa77ec63e28a17aULL; + EXPECT_EQ(0x7fa77ec63e28a17aULL, l - m); + EXPECT_EQ(-0x7fa77ec63e28a17aULL, m - l); +} + +TEST(IsKnownConstant, Undefined) { + Label l; + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(IsKnownConstant, RelatedLabel) { + Label l, m; + l = m; + EXPECT_FALSE(l.IsKnownConstant()); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(IsKnownConstant, Constant) { + Label l; + l = 0xf374b1bdd6a22576ULL; + EXPECT_TRUE(l.IsKnownConstant()); +} + +TEST(IsKnownOffsetFrom, Unrelated) { + Label l, m; + EXPECT_FALSE(l.IsKnownOffsetFrom(m)); +} + +TEST(IsKnownOffsetFrom, Related) { + Label l, m; + l = m; + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); +} + +// Test the construction of chains of related labels, and the +// propagation of values through them. +// +// Although the relations between labels are supposed to behave +// symmetrically --- that is, 'a = b' should put a and b in +// indistinguishable states --- there's a distinction made internally +// between the target (a) and the source (b). +// +// So there are five test axes to cover: +// +// - Do we construct the chain with assignment ("Assign") or with constructors +// ("Construct")? +// +// - Do we set the value of the label at the start of the chain +// ("Start") or the label at the end ("End")? +// +// - Are we testing the propagation of a relationship between variable +// values ("Relation"), or the propagation of a known constant value +// ("Value")? +// +// - Do we set the value before building the chain ("Before") or after +// the chain has been built ("After")? +// +// - Do we add new relationships to the end of the existing chain +// ("Forward") or to the beginning ("Backward")? +// +// Of course, "Construct" and "Backward" can't be combined, which +// eliminates eight combinations, and "Construct", "End", and "Before" +// can't be combined, which eliminates two more, so there are are 22 +// combinations, not 32. + +TEST(LabelChain, AssignStartRelationBeforeForward) { + Label a, b, c, d; + Label x; + a = x; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartRelationBeforeBackward) { + Label a, b, c, d; + Label x; + a = x; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartRelationAfterForward) { + Label a, b, c, d; + Label x; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + a = x; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartRelationAfterBackward) { + Label a, b, c, d; + Label x; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + a = x; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartValueBeforeForward) { + Label a, b, c, d; + a = 0xa131200190546ac2ULL; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(0xa131200190546ac2ULL + 0x111U, d.Value()); + EXPECT_EQ(0xa131200190546ac2ULL + 0x11U, c.Value()); + EXPECT_EQ(0xa131200190546ac2ULL + 0x1U, b.Value()); + EXPECT_EQ(0xa131200190546ac2ULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignStartValueBeforeBackward) { + Label a, b, c, d; + a = 0x8da17e1670ad4fa2ULL; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0x111U, d.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0x11U, c.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0x1U, b.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignStartValueAfterForward) { + Label a, b, c, d; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + a = 0x99b8f51bafd41adaULL; + EXPECT_EQ(0x99b8f51bafd41adaULL + 0x111U, d.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL + 0x11U, c.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL + 0x1U, b.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignStartValueAfterBackward) { + Label a, b, c, d; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + a = 0xc86ca1d97ab5df6eULL; + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0x111U, d.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0x11U, c.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0x1U, b.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignEndRelationBeforeForward) { + Label a, b, c, d; + Label x; + x = d; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0U, d-x); +} + +TEST(LabelChain, AssignEndRelationBeforeBackward) { + Label a, b, c, d; + Label x; + x = d; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0U, d-x); +} + +TEST(LabelChain, AssignEndRelationAfterForward) { + Label a, b, c, d; + Label x; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + x = d; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0x000U, d-x); +} + +TEST(LabelChain, AssignEndRelationAfterBackward) { + Label a, b, c, d; + Label x; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + x = d; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0x000U, d-x); +} + +TEST(LabelChain, AssignEndValueBeforeForward) { + Label a, b, c, d; + d = 0xa131200190546ac2ULL; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(0xa131200190546ac2ULL - 0x111, a.Value()); + EXPECT_EQ(0xa131200190546ac2ULL - 0x110, b.Value()); + EXPECT_EQ(0xa131200190546ac2ULL - 0x100, c.Value()); + EXPECT_EQ(0xa131200190546ac2ULL - 0x000, d.Value()); +} + +TEST(LabelChain, AssignEndValueBeforeBackward) { + Label a, b, c, d; + d = 0x8da17e1670ad4fa2ULL; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x111, a.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x110, b.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x100, c.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x000, d.Value()); +} + +TEST(LabelChain, AssignEndValueAfterForward) { + Label a, b, c, d; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + d = 0x99b8f51bafd41adaULL; + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x111, a.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x110, b.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x100, c.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x000, d.Value()); +} + +TEST(LabelChain, AssignEndValueAfterBackward) { + Label a, b, c, d; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + d = 0xc86ca1d97ab5df6eULL; + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x111, a.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x110, b.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x100, c.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x000, d.Value()); +} + +TEST(LabelChain, ConstructStartRelationBeforeForward) { + Label x; + Label a(x); + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, ConstructStartRelationAfterForward) { + Label x; + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + a = x; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, ConstructStartValueBeforeForward) { + Label a(0x5d234d177d01ccc8ULL); + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x111U, d.Value()); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x011U, c.Value()); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x001U, b.Value()); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x000U, a.Value()); +} + +TEST(LabelChain, ConstructStartValueAfterForward) { + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + a = 0xded85d54586e84fcULL; + EXPECT_EQ(0xded85d54586e84fcULL + 0x111U, d.Value()); + EXPECT_EQ(0xded85d54586e84fcULL + 0x011U, c.Value()); + EXPECT_EQ(0xded85d54586e84fcULL + 0x001U, b.Value()); + EXPECT_EQ(0xded85d54586e84fcULL + 0x000U, a.Value()); +} + +TEST(LabelChain, ConstructEndRelationAfterForward) { + Label x; + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + x = d; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0x000U, d-x); +} + +TEST(LabelChain, ConstructEndValueAfterForward) { + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + d = 0x99b8f51bafd41adaULL; + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x111, a.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x110, b.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x100, c.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x000, d.Value()); +} + +TEST(LabelTree, KnownValue) { + Label l, m, n, o, p; + l = m; + m = n; + o = p; + p = n; + l = 0x536b5de3d468a1b5ULL; + EXPECT_EQ(0x536b5de3d468a1b5ULL, o.Value()); +} + +TEST(LabelTree, Related) { + Label l, m, n, o, p; + l = m - 1; + m = n - 10; + o = p + 100; + p = n + 1000; + EXPECT_EQ(1111U, o - l); +} + +TEST(EquationDeathTest, EqualConstants) { + Label m = 0x0d3962f280f07d24ULL; + Label n = 0x0d3962f280f07d24ULL; + m = n; // no death expected +} + +TEST(EquationDeathTest, EqualIndirectConstants) { + Label m = 0xa347f1e5238fe6a1ULL; + Label n; + Label o = n; + n = 0xa347f1e5238fe6a1ULL; + n = m; // no death expected +} + +TEST(EquationDeathTest, ConstantClash) { + Label m = 0xd4cc0f4f630ec741ULL; + Label n = 0x934cd2d8254fc3eaULL; + ASSERT_DEATH(m = n, "addend_ == addend"); +} + +TEST(EquationDeathTest, IndirectConstantClash) { + Label m = 0xd4cc0f4f630ec741ULL; + Label n, o; + n = o; + o = 0xcfbe3b83ac49ce86ULL; + ASSERT_DEATH(m = n, "addend_ == addend"); +} + +// Assigning to a related label may free the next Binding on its +// chain. This test always passes; it is interesting to memory +// checkers and coverage analysis. +TEST(LabelReferenceCount, AssignmentFree) { + Label l; + { + Label m; + l = m; + } + // This should free m's Binding. + l = 0xca8bae92f0376d4fULL; + ASSERT_EQ(0xca8bae92f0376d4fULL, l.Value()); +} + +// Finding the value of a label may free the Binding it refers to. This test +// always passes; it is interesting to memory checkers and coverage analysis. +TEST(LabelReferenceCount, FindValueFree) { + Label l; + { + Label m, n; + l = m; + m = n; + n = 0x7a0b0c576672daafULL; + // At this point, l's Binding refers to m's Binding, which refers + // to n's binding. + } + // Now, l is the only reference keeping the three Bindings alive. + // Resolving its value should free l's and m's original bindings. + ASSERT_EQ(0x7a0b0c576672daafULL, l.Value()); +} + +TEST(ConstructSection, Simple) { + Section s; +} + +TEST(ConstructSection, WithEndian) { + Section s(kBigEndian); +} + +// A fixture class for TestAssembler::Section tests. +class SectionFixture { + public: + Section section; + string contents; + static const uint8_t data[]; + static const size_t data_size; +}; + +const uint8_t SectionFixture::data[] = { + 0x87, 0x4f, 0x43, 0x67, 0x30, 0xd0, 0xd4, 0x0e +}; + +#define I0() +#define I1(a) { a } +#define I2(a,b) { a,b } +#define I3(a,b,c) { a,b,c } +#define I4(a,b,c,d) { a,b,c,d } +#define I5(a,b,c,d,e) { a,b,c,d,e } +#define I6(a,b,c,d,e,f) { a,b,c,d,e,f } +#define I7(a,b,c,d,e,f,g) { a,b,c,d,e,f,g } +#define I8(a,b,c,d,e,f,g,h) { a,b,c,d,e,f,g,h } +#define I9(a,b,c,d,e,f,g,h,i) { a,b,c,d,e,f,g,h,i } +#define ASSERT_BYTES(s, b) \ + do \ + { \ + static const uint8_t expected_bytes[] = b; \ + ASSERT_EQ(sizeof(expected_bytes), s.size()); \ + ASSERT_TRUE(memcmp(s.data(), (const char *) expected_bytes, \ + sizeof(expected_bytes)) == 0); \ + } \ + while(0) + +class Append: public SectionFixture, public Test { }; + +TEST_F(Append, Bytes) { + section.Append(data, sizeof(data)); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(sizeof(data), contents.size()); + EXPECT_TRUE(0 == memcmp(contents.data(), (const char *) data, sizeof(data))); +} + +TEST_F(Append, BytesTwice) { + section.Append(data, sizeof(data)); + section.Append(data, sizeof(data)); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(2 * sizeof(data), contents.size()); + ASSERT_TRUE(0 == memcmp(contents.data(), (const char *) data, sizeof(data))); + ASSERT_TRUE(0 == memcmp(contents.data() + sizeof(data), + (const char *) data, sizeof(data))); +} + +TEST_F(Append, String) { + string s1 = "howdy "; + string s2 = "there"; + section.Append(s1); + section.Append(s2); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_STREQ(contents.c_str(), "howdy there"); +} + +TEST_F(Append, CString) { + section.AppendCString("howdy"); + section.AppendCString(""); + section.AppendCString("there"); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(string("howdy\0\0there\0", 13), contents); +} + +TEST_F(Append, CStringSize) { + section.AppendCString("howdy", 3); + section.AppendCString("there", 5); + section.AppendCString("fred", 6); + section.AppendCString("natalie", 0); + section.AppendCString("", 10); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(string("howtherefred\0\0\0\0\0\0\0\0\0\0\0\0", 24), contents); +} + +TEST_F(Append, RepeatedBytes) { + section.Append((size_t) 10, '*'); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_STREQ(contents.c_str(), "**********"); +} + +TEST_F(Append, GeneralLE1) { + section.Append(kLittleEndian, 1, 42); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(42)); +} + +TEST_F(Append, GeneralLE2) { + section.Append(kLittleEndian, 2, 0x15a1); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0xa1, 0x15)); +} + +TEST_F(Append, GeneralLE3) { + section.Append(kLittleEndian, 3, 0x59ae8d); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x8d, 0xae, 0x59)); +} + +TEST_F(Append, GeneralLE4) { + section.Append(kLittleEndian, 4, 0x51603c56); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x56, 0x3c, 0x60, 0x51)); +} + +TEST_F(Append, GeneralLE5) { + section.Append(kLittleEndian, 5, 0x385e2803b4ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0xb4, 0x03, 0x28, 0x5e, 0x38)); +} + +TEST_F(Append, GeneralLE6) { + section.Append(kLittleEndian, 6, 0xc7db9534dd1fULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0x1f, 0xdd, 0x34, 0x95, 0xdb, 0xc7)); +} + +TEST_F(Append, GeneralLE7) { + section.Append(kLittleEndian, 7, 0x1445c9f1b843e6ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xe6, 0x43, 0xb8, 0xf1, 0xc9, 0x45, 0x14)); +} + +TEST_F(Append, GeneralLE8) { + section.Append(kLittleEndian, 8, 0xaf48019dfe5c01e5ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xe5, 0x01, 0x5c, 0xfe, 0x9d, 0x01, 0x48, 0xaf)); +} + +TEST_F(Append, GeneralBE1) { + section.Append(kBigEndian, 1, 0xd0ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(0xd0)); +} + +TEST_F(Append, GeneralBE2) { + section.Append(kBigEndian, 2, 0x2e7eULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2e, 0x7e)); +} + +TEST_F(Append, GeneralBE3) { + section.Append(kBigEndian, 3, 0x37dad6ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x37, 0xda, 0xd6)); +} + +TEST_F(Append, GeneralBE4) { + section.Append(kBigEndian, 4, 0x715935c7ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x71, 0x59, 0x35, 0xc7)); +} + +TEST_F(Append, GeneralBE5) { + section.Append(kBigEndian, 5, 0x42baeb02b7ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x42, 0xba, 0xeb, 0x02, 0xb7)); +} + +TEST_F(Append, GeneralBE6) { + section.Append(kBigEndian, 6, 0xf1cdf10e7b18ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0xf1, 0xcd, 0xf1, 0x0e, 0x7b, 0x18)); +} + +TEST_F(Append, GeneralBE7) { + section.Append(kBigEndian, 7, 0xf50a724f0b0d20ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xf5, 0x0a, 0x72, 0x4f, 0x0b, 0x0d, 0x20)); +} + +TEST_F(Append, GeneralBE8) { + section.Append(kBigEndian, 8, 0xa6b2cb5e98dc9c16ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xa6, 0xb2, 0xcb, 0x5e, 0x98, 0xdc, 0x9c, 0x16)); +} + +TEST_F(Append, GeneralLE1Label) { + Label l; + section.Append(kLittleEndian, 1, l); + l = 42; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(42)); +} + +TEST_F(Append, GeneralLE2Label) { + Label l; + section.Append(kLittleEndian, 2, l); + l = 0x15a1; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0xa1, 0x15)); +} + +TEST_F(Append, GeneralLE3Label) { + Label l; + section.Append(kLittleEndian, 3, l); + l = 0x59ae8d; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x8d, 0xae, 0x59)); +} + +TEST_F(Append, GeneralLE4Label) { + Label l; + section.Append(kLittleEndian, 4, l); + l = 0x51603c56; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x56, 0x3c, 0x60, 0x51)); +} + +TEST_F(Append, GeneralLE5Label) { + Label l; + section.Append(kLittleEndian, 5, l); + l = 0x385e2803b4ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0xb4, 0x03, 0x28, 0x5e, 0x38)); +} + +TEST_F(Append, GeneralLE6Label) { + Label l; + section.Append(kLittleEndian, 6, l); + l = 0xc7db9534dd1fULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0x1f, 0xdd, 0x34, 0x95, 0xdb, 0xc7)); +} + +TEST_F(Append, GeneralLE7Label) { + Label l; + section.Append(kLittleEndian, 7, l); + l = 0x1445c9f1b843e6ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xe6, 0x43, 0xb8, 0xf1, 0xc9, 0x45, 0x14)); +} + +TEST_F(Append, GeneralLE8Label) { + Label l; + section.Append(kLittleEndian, 8, l); + l = 0xaf48019dfe5c01e5ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xe5, 0x01, 0x5c, 0xfe, 0x9d, 0x01, 0x48, 0xaf)); +} + +TEST_F(Append, GeneralBE1Label) { + Label l; + section.Append(kBigEndian, 1, l); + l = 0xd0ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(0xd0)); +} + +TEST_F(Append, GeneralBE2Label) { + Label l; + section.Append(kBigEndian, 2, l); + l = 0x2e7eULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2e, 0x7e)); +} + +TEST_F(Append, GeneralBE3Label) { + Label l; + section.Append(kBigEndian, 3, l); + l = 0x37dad6ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x37, 0xda, 0xd6)); +} + +TEST_F(Append, GeneralBE4Label) { + Label l; + section.Append(kBigEndian, 4, l); + l = 0x715935c7ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x71, 0x59, 0x35, 0xc7)); +} + +TEST_F(Append, GeneralBE5Label) { + Label l; + section.Append(kBigEndian, 5, l); + l = 0x42baeb02b7ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x42, 0xba, 0xeb, 0x02, 0xb7)); +} + +TEST_F(Append, GeneralBE6Label) { + Label l; + section.Append(kBigEndian, 6, l); + l = 0xf1cdf10e7b18ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0xf1, 0xcd, 0xf1, 0x0e, 0x7b, 0x18)); +} + +TEST_F(Append, GeneralBE7Label) { + Label l; + section.Append(kBigEndian, 7, l); + l = 0xf50a724f0b0d20ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xf5, 0x0a, 0x72, 0x4f, 0x0b, 0x0d, 0x20)); +} + +TEST_F(Append, GeneralBE8Label) { + Label l; + section.Append(kBigEndian, 8, l); + l = 0xa6b2cb5e98dc9c16ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xa6, 0xb2, 0xcb, 0x5e, 0x98, 0xdc, 0x9c, 0x16)); +} + +TEST_F(Append, B8) { + section.Append(1, 0x2a); + section.B8(0xd3U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xd3)); +} + +TEST_F(Append, B8Label) { + Label l; + section.Append(1, 0x2a); + section.B8(l); + l = 0x4bU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x4b)); +} + +TEST_F(Append, B16) { + section.Append(1, 0x2a); + section.B16(0x472aU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x47, 0x2a)); +} + +TEST_F(Append, B16Label) { + Label l; + section.Append(1, 0x2a); + section.B16(l); + l = 0x55e8U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x55, 0xe8)); +} + +TEST_F(Append, B32) { + section.Append(1, 0x2a); + section.B32(0xbd412cbcU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0xbd, 0x41, 0x2c, 0xbc)); +} + +TEST_F(Append, B32Label) { + Label l; + section.Append(1, 0x2a); + section.B32(l); + l = 0x208e37d5U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x20, 0x8e, 0x37, 0xd5)); +} + +TEST_F(Append, B64) { + section.Append(1, 0x2a); + section.B64(0x3402a013111e68adULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x34, 0x02, 0xa0, 0x13, 0x11, 0x1e, 0x68, 0xad)); +} + +TEST_F(Append, B64Label) { + Label l; + section.Append(1, 0x2a); + section.B64(l); + l = 0x355dbfbb4ac6d57fULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x35, 0x5d, 0xbf, 0xbb, 0x4a, 0xc6, 0xd5, 0x7f)); +} + +TEST_F(Append, L8) { + section.Append(1, 0x2a); + section.L8(0x26U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x26)); +} + +TEST_F(Append, L8Label) { + Label l; + section.Append(1, 0x2a); + section.L8(l); + l = 0xa8U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xa8)); +} + +TEST_F(Append, L16) { + section.Append(1, 0x2a); + section.L16(0xca6dU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x6d, 0xca)); +} + +TEST_F(Append, L16Label) { + Label l; + section.Append(1, 0x2a); + section.L16(l); + l = 0xd21fU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x1f, 0xd2)); +} + +TEST_F(Append, L32) { + section.Append(1, 0x2a); + section.L32(0x558f6181U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x81, 0x61, 0x8f, 0x55)); +} + +TEST_F(Append, L32Label) { + Label l; + section.Append(1, 0x2a); + section.L32(l); + l = 0x4b810f82U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x82, 0x0f, 0x81, 0x4b)); +} + +TEST_F(Append, L64) { + section.Append(1, 0x2a); + section.L64(0x564384f7579515bfULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xbf, 0x15, 0x95, 0x57, 0xf7, 0x84, 0x43, 0x56)); +} + +TEST_F(Append, L64Label) { + Label l; + section.Append(1, 0x2a); + section.L64(l); + l = 0x424b1d020667c8dbULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xdb, 0xc8, 0x67, 0x06, 0x02, 0x1d, 0x4b, 0x42)); +} + +TEST_F(Append, D8Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D8(0xe6U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xe6)); +} + +TEST_F(Append, D8BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D8(l); + l = 0xeeU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xee)); +} + +TEST_F(Append, D16Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D16(0x83b1U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x83, 0xb1)); +} + +TEST_F(Append, D16BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D16(l); + l = 0x5b55U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x5b, 0x55)); +} + +TEST_F(Append, D32Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D32(0xd0b0e431U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0xd0, 0xb0, 0xe4, 0x31)); +} + +TEST_F(Append, D32BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D32(l); + l = 0x312fb340U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x31, 0x2f, 0xb3, 0x40)); +} + +TEST_F(Append, D64Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D64(0xb109843500dbcb16ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xb1, 0x09, 0x84, 0x35, 0x00, 0xdb, 0xcb, 0x16)); +} + +TEST_F(Append, D64BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D64(l); + l = 0x9a0d61b70f671fd7ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x9a, 0x0d, 0x61, 0xb7, 0x0f, 0x67, 0x1f, 0xd7)); +} + +TEST_F(Append, D8Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D8(0x42U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x42)); +} + +TEST_F(Append, D8LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D8(l); + l = 0x05U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x05)); +} + +TEST_F(Append, D16Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D16(0xc5c5U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0xc5, 0xc5)); +} + +TEST_F(Append, D16LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D16(l); + l = 0xb620U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x20, 0xb6)); +} + +TEST_F(Append, D32Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D32(0x1a87d0feU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0xfe, 0xd0, 0x87, 0x1a)); +} + +TEST_F(Append, D32LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D32(l); + l = 0xb8012d6bU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x6b, 0x2d, 0x01, 0xb8)); +} + +TEST_F(Append, D64Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D64(0x42de75c61375a1deULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xde, 0xa1, 0x75, 0x13, 0xc6, 0x75, 0xde, 0x42)); +} + +TEST_F(Append, D64LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D64(l); + l = 0x8b3bececf3fb5312ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x12, 0x53, 0xfb, 0xf3, 0xec, 0xec, 0x3b, 0x8b)); +} + +TEST_F(Append, Variety) { + Label a, b, c, d, e, f, g, h; + section.Append(kBigEndian, 1, a) + .Append(kLittleEndian, 8, h) + .Append(kBigEndian, 1, 0x8bULL) + .Append(kLittleEndian, 8, 0x0ea56540448f4439ULL) + .Append(kBigEndian, 2, b) + .Append(kLittleEndian, 7, g) + .Append(kBigEndian, 2, 0xcf15ULL) + .Append(kLittleEndian, 7, 0x29694f04c5724aULL) + .Append(kBigEndian, 3, c) + .Append(kLittleEndian, 6, f) + .Append(kBigEndian, 3, 0x8c3ffdULL) + .Append(kLittleEndian, 6, 0x6f11ba80187aULL) + .Append(kBigEndian, 4, d) + .Append(kLittleEndian, 5, e) + .Append(kBigEndian, 4, 0x2fda2472ULL) + .Append(kLittleEndian, 5, 0x0aa02d423fULL) + .Append(kBigEndian, 5, e) + .Append(kLittleEndian, 4, d) + .Append(kBigEndian, 5, 0x53ba432138ULL) + .Append(kLittleEndian, 4, 0xf139ae60ULL) + .Append(kBigEndian, 6, f) + .Append(kLittleEndian, 3, c) + .Append(kBigEndian, 6, 0x168e436af716ULL) + .Append(kLittleEndian, 3, 0x3ef189ULL) + .Append(kBigEndian, 7, g) + .Append(kLittleEndian, 2, b) + .Append(kBigEndian, 7, 0xacd4ef233e47d9ULL) + .Append(kLittleEndian, 2, 0x5311ULL) + .Append(kBigEndian, 8, h) + .Append(kLittleEndian, 1, a) + .Append(kBigEndian, 8, 0x4668d5f1c93637a1ULL) + .Append(kLittleEndian, 1, 0x65ULL); + a = 0x79ac9bd8aa256b35ULL; + b = 0x22d13097ef86c91cULL; + c = 0xf204968b0a05862fULL; + d = 0x163177f15a0eb4ecULL; + e = 0xbd1b0f1d977f2246ULL; + f = 0x2b0842eee83c6461ULL; + g = 0x92f4b928a4bf875eULL; + h = 0x61a199a8f7286ba6ULL; + ASSERT_EQ(8 * 18U, section.Size()); + ASSERT_TRUE(section.GetContents(&contents)); + + static const uint8_t expected[] = { + 0x35, 0xa6, 0x6b, 0x28, 0xf7, 0xa8, 0x99, 0xa1, 0x61, + 0x8b, 0x39, 0x44, 0x8f, 0x44, 0x40, 0x65, 0xa5, 0x0e, + 0xc9, 0x1c, 0x5e, 0x87, 0xbf, 0xa4, 0x28, 0xb9, 0xf4, + 0xcf, 0x15, 0x4a, 0x72, 0xc5, 0x04, 0x4f, 0x69, 0x29, + 0x05, 0x86, 0x2f, 0x61, 0x64, 0x3c, 0xe8, 0xee, 0x42, + 0x8c, 0x3f, 0xfd, 0x7a, 0x18, 0x80, 0xba, 0x11, 0x6f, + 0x5a, 0x0e, 0xb4, 0xec, 0x46, 0x22, 0x7f, 0x97, 0x1d, + 0x2f, 0xda, 0x24, 0x72, 0x3f, 0x42, 0x2d, 0xa0, 0x0a, + 0x1d, 0x97, 0x7f, 0x22, 0x46, 0xec, 0xb4, 0x0e, 0x5a, + 0x53, 0xba, 0x43, 0x21, 0x38, 0x60, 0xae, 0x39, 0xf1, + 0x42, 0xee, 0xe8, 0x3c, 0x64, 0x61, 0x2f, 0x86, 0x05, + 0x16, 0x8e, 0x43, 0x6a, 0xf7, 0x16, 0x89, 0xf1, 0x3e, + 0xf4, 0xb9, 0x28, 0xa4, 0xbf, 0x87, 0x5e, 0x1c, 0xc9, + 0xac, 0xd4, 0xef, 0x23, 0x3e, 0x47, 0xd9, 0x11, 0x53, + 0x61, 0xa1, 0x99, 0xa8, 0xf7, 0x28, 0x6b, 0xa6, 0x35, + 0x46, 0x68, 0xd5, 0xf1, 0xc9, 0x36, 0x37, 0xa1, 0x65, + }; + + ASSERT_TRUE(0 == memcmp(contents.data(), expected, sizeof(expected))); +} + +TEST_F(Append, Section) { + section.Append("murder"); + { + Section middle; + middle.Append(" she"); + section.Append(middle); + } + section.Append(" wrote"); + EXPECT_EQ(16U, section.Size()); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_STREQ(contents.c_str(), "murder she wrote"); +} + +TEST_F(Append, SectionRefs) { + section.Append("sugar "); + Label l; + { + Section middle; + Label m; + middle.B32(m); + section.Append(middle); + m = 0x66726565; + } + section.Append(" jazz"); + EXPECT_EQ(15U, section.Size()); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_STREQ(contents.c_str(), "sugar free jazz"); +} + +TEST_F(Append, LEB128_0) { + section.LEB128(0); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\0", 1), contents); +} + +TEST_F(Append, LEB128_0x3f) { + section.LEB128(0x3f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x3f", 1), contents); +} + +TEST_F(Append, LEB128_0x40) { + section.LEB128(0x40); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xc0\x00", 2), contents); +} + +TEST_F(Append, LEB128_0x7f) { + section.LEB128(0x7f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x00", 2), contents); +} + +TEST_F(Append, LEB128_0x80) { + section.LEB128(0x80); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x01", 2), contents); +} + +TEST_F(Append, LEB128_0xff) { + section.LEB128(0xff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x01", 2), contents); +} + +TEST_F(Append, LEB128_0x1fff) { + section.LEB128(0x1fff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x3f", 2), contents); +} + +TEST_F(Append, LEB128_0x2000) { + section.LEB128(0x2000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\xc0\x00", 3), contents); +} + +TEST_F(Append, LEB128_n1) { + section.LEB128(-1); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x7f", 1), contents); +} + +TEST_F(Append, LEB128_n0x40) { + section.LEB128(-0x40); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x40", 1), contents); +} + +TEST_F(Append, LEB128_n0x41) { + section.LEB128(-0x41); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xbf\x7f", 2), contents); +} + +TEST_F(Append, LEB128_n0x7f) { + section.LEB128(-0x7f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x81\x7f", 2), contents); +} + +TEST_F(Append, LEB128_n0x80) { + section.LEB128(-0x80); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x7f", 2), contents); +} + +TEST_F(Append, LEB128_n0x2000) { + section.LEB128(-0x2000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x40", 2), contents); +} + +TEST_F(Append, LEB128_n0x2001) { + section.LEB128(-0x2001); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\xbf\x7f", 3), contents); +} + +TEST_F(Append,ULEB128_0) { + section.ULEB128(0); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\0", 1), contents); +} + +TEST_F(Append,ULEB128_1) { + section.ULEB128(1); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x01", 1), contents); +} + +TEST_F(Append,ULEB128_0x3f) { + section.ULEB128(0x3f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x3f", 1), contents); +} + +TEST_F(Append,ULEB128_0x40) { + section.ULEB128(0x40); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x40", 1), contents); +} + +TEST_F(Append,ULEB128_0x7f) { + section.ULEB128(0x7f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x7f", 1), contents); +} + +TEST_F(Append,ULEB128_0x80) { + section.ULEB128(0x80); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x01", 2), contents); +} + +TEST_F(Append,ULEB128_0xff) { + section.ULEB128(0xff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x01", 2), contents); +} + +TEST_F(Append,ULEB128_0x100) { + section.ULEB128(0x100); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x02", 2), contents); +} + +TEST_F(Append,ULEB128_0x1fff) { + section.ULEB128(0x1fff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x3f", 2), contents); +} + +TEST_F(Append,ULEB128_0x2000) { + section.ULEB128(0x2000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x40", 2), contents); +} + +TEST_F(Append,ULEB128_0x3fff) { + section.ULEB128(0x3fff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x7f", 2), contents); +} + +TEST_F(Append,ULEB128_0x4000) { + section.ULEB128(0x4000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x80\x01", 3), contents); +} + +TEST_F(Append,ULEB128_12857) { + section.ULEB128(12857); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xb9\x64", 2), contents); +} + +TEST_F(Append, LEBChain) { + section.LEB128(-0x80).ULEB128(12857).Append("*"); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x7f\xb9\x64*", 5), contents); +} + + +class GetContents: public SectionFixture, public Test { }; + +TEST_F(GetContents, Undefined) { + Label l; + section.Append(kLittleEndian, 8, l); + ASSERT_FALSE(section.GetContents(&contents)); +} + +TEST_F(GetContents, ClearsContents) { + section.Append((size_t) 10, '*'); + EXPECT_EQ(10U, section.Size()); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(0U, section.Size()); +} + +TEST_F(GetContents, ClearsReferences) { + Label l; + section.Append(kBigEndian, 1, l); + l = 42; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(42)); + ASSERT_TRUE(section.GetContents(&contents)); // should not die +} + +class Miscellanea: public SectionFixture, public Test { }; + +TEST_F(Miscellanea, Clear) { + section.Append("howdy"); + Label l; + section.L32(l); + EXPECT_EQ(9U, section.Size()); + section.Clear(); + EXPECT_EQ(0U, section.Size()); + l = 0x8d231bf0U; + ASSERT_TRUE(section.GetContents(&contents)); // should not die +} + +TEST_F(Miscellanea, Align) { + section.Append("*"); + EXPECT_EQ(1U, section.Size()); + section.Align(4).Append("*"); + EXPECT_EQ(5U, section.Size()); + section.Append("*").Align(2); + EXPECT_EQ(6U, section.Size()); +} + +TEST_F(Miscellanea, AlignPad) { + section.Append("*"); + EXPECT_EQ(1U, section.Size()); + section.Align(4, ' ').Append("*"); + EXPECT_EQ(5U, section.Size()); + section.Append("*").Align(2, ' '); + EXPECT_EQ(6U, section.Size()); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(string("* **"), contents); +} + +TEST_F(Miscellanea, StartHereMark) { + Label m; + section.Append(42, ' ').Mark(&m).Append(13, '+'); + EXPECT_EQ(42U, m - section.start()); + EXPECT_EQ(42U + 13U, section.Here() - section.start()); + EXPECT_FALSE(section.start().IsKnownConstant()); + EXPECT_FALSE(m.IsKnownConstant()); + EXPECT_FALSE(section.Here().IsKnownConstant()); +} + +TEST_F(Miscellanea, Endianness) { + section.set_endianness(kBigEndian); + EXPECT_EQ(kBigEndian, section.endianness()); + section.set_endianness(kLittleEndian); + EXPECT_EQ(kLittleEndian, section.endianness()); +} diff --git a/google-breakpad/src/common/using_std_string.h b/google-breakpad/src/common/using_std_string.h new file mode 100644 index 0000000..13c1da5 --- /dev/null +++ b/google-breakpad/src/common/using_std_string.h @@ -0,0 +1,65 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2012, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Ivan Penkov + +// using_std_string.h: Allows building this code in environments where +// global string (::string) exists. +// +// The problem: +// ------------- +// Let's say you want to build this code in an environment where a global +// string type is defined (i.e. ::string). Now, let's suppose that ::string +// is different that std::string and you'd like to have the option to easily +// choose between the two string types. Ideally you'd like to control which +// string type is chosen by simply #defining an identifier. +// +// The solution: +// ------------- +// #define HAS_GLOBAL_STRING somewhere in a global header file and then +// globally replace std::string with string. Then include this header +// file everywhere where string is used. If you want to revert back to +// using std::string, simply remove the #define (HAS_GLOBAL_STRING). + +#ifndef THIRD_PARTY_BREAKPAD_SRC_COMMON_USING_STD_STRING_H_ +#define THIRD_PARTY_BREAKPAD_SRC_COMMON_USING_STD_STRING_H_ + +#ifdef HAS_GLOBAL_STRING + typedef ::string google_breakpad_string; +#else + using std::string; + typedef std::string google_breakpad_string; +#endif + +// Inicates that type google_breakpad_string is defined +#define HAS_GOOGLE_BREAKPAD_STRING + +#endif // THIRD_PARTY_BREAKPAD_SRC_COMMON_USING_STD_STRING_H_ diff --git a/google-breakpad/src/config.h.in b/google-breakpad/src/config.h.in new file mode 100644 index 0000000..dfd0e6a --- /dev/null +++ b/google-breakpad/src/config.h.in @@ -0,0 +1,68 @@ +/* src/config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the header file. */ +#undef HAVE_A_OUT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define if you have POSIX threads libraries and header files. */ +#undef HAVE_PTHREAD + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if your C compiler doesn't accept -c and -o together. */ +#undef NO_MINUS_C_MINUS_O + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to necessary symbol if this constant uses a non-standard name on + your system. */ +#undef PTHREAD_CREATE_JOINABLE + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION diff --git a/google-breakpad/src/google_breakpad/common/breakpad_types.h b/google-breakpad/src/google_breakpad/common/breakpad_types.h new file mode 100644 index 0000000..a60c5f3 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/breakpad_types.h @@ -0,0 +1,86 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* breakpad_types.h: Precise-width types + * + * (This is C99 source, please don't corrupt it with C++.) + * + * This file ensures that types uintN_t are defined for N = 8, 16, 32, and + * 64. Types of precise widths are crucial to the task of writing data + * structures on one platform and reading them on another. + * + * Author: Mark Mentovai */ + +#ifndef GOOGLE_BREAKPAD_COMMON_BREAKPAD_TYPES_H__ +#define GOOGLE_BREAKPAD_COMMON_BREAKPAD_TYPES_H__ + +#ifndef _WIN32 + +#ifndef __STDC_FORMAT_MACROS +#define __STDC_FORMAT_MACROS +#endif /* __STDC_FORMAT_MACROS */ +#include + +#else /* !_WIN32 */ + +#if _MSC_VER >= 1600 +#include +#elif defined(BREAKPAD_CUSTOM_STDINT_H) +/* Visual C++ Pre-2010 did not ship a stdint.h, so allow + * consumers of this library to provide their own because + * there are often subtle type incompatibilities. + */ +#include BREAKPAD_CUSTOM_STDINT_H +#else +#include + +typedef unsigned __int8 uint8_t; +typedef unsigned __int16 uint16_t; +typedef __int32 int32_t; +typedef unsigned __int32 uint32_t; +typedef unsigned __int64 uint64_t; +#endif + +#endif /* !_WIN32 */ + +typedef struct { + uint64_t high; + uint64_t low; +} uint128_struct; + +typedef uint64_t breakpad_time_t; + +/* Try to get PRIx64 from inttypes.h, but if it's not defined, fall back to + * llx, which is the format string for "long long" - this is a 64-bit + * integral type on many systems. */ +#ifndef PRIx64 +#define PRIx64 "llx" +#endif /* !PRIx64 */ + +#endif /* GOOGLE_BREAKPAD_COMMON_BREAKPAD_TYPES_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_cpu_amd64.h b/google-breakpad/src/google_breakpad/common/minidump_cpu_amd64.h new file mode 100644 index 0000000..4256706 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_cpu_amd64.h @@ -0,0 +1,235 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_format.h: A cross-platform reimplementation of minidump-related + * portions of DbgHelp.h from the Windows Platform SDK. + * + * (This is C99 source, please don't corrupt it with C++.) + * + * This file contains the necessary definitions to read minidump files + * produced on amd64. These files may be read on any platform provided + * that the alignments of these structures on the processing system are + * identical to the alignments of these structures on the producing system. + * For this reason, precise-sized types are used. The structures defined + * by this file have been laid out to minimize alignment problems by ensuring + * ensuring that all members are aligned on their natural boundaries. In + * In some cases, tail-padding may be significant when different ABIs specify + * different tail-padding behaviors. To avoid problems when reading or + * writing affected structures, MD_*_SIZE macros are provided where needed, + * containing the useful size of the structures without padding. + * + * Structures that are defined by Microsoft to contain a zero-length array + * are instead defined here to contain an array with one element, as + * zero-length arrays are forbidden by standard C and C++. In these cases, + * *_minsize constants are provided to be used in place of sizeof. For a + * cleaner interface to these sizes when using C++, see minidump_size.h. + * + * These structures are also sufficient to populate minidump files. + * + * These definitions may be extended to support handling minidump files + * for other CPUs and other operating systems. + * + * Because precise data type sizes are crucial for this implementation to + * function properly and portably in terms of interoperability with minidumps + * produced by DbgHelp on Windows, a set of primitive types with known sizes + * are used as the basis of each structure defined by this file. DbgHelp + * on Windows is assumed to be the reference implementation; this file + * seeks to provide a cross-platform compatible implementation. To avoid + * collisions with the types and values defined and used by DbgHelp in the + * event that this implementation is used on Windows, each type and value + * defined here is given a new name, beginning with "MD". Names of the + * equivalent types and values in the Windows Platform SDK are given in + * comments. + * + * Author: Mark Mentovai + * Change to split into its own file: Neal Sidhwaney */ + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_AMD64_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_AMD64_H__ + + +/* + * AMD64 support, see WINNT.H + */ + +typedef struct { + uint16_t control_word; + uint16_t status_word; + uint8_t tag_word; + uint8_t reserved1; + uint16_t error_opcode; + uint32_t error_offset; + uint16_t error_selector; + uint16_t reserved2; + uint32_t data_offset; + uint16_t data_selector; + uint16_t reserved3; + uint32_t mx_csr; + uint32_t mx_csr_mask; + uint128_struct float_registers[8]; + uint128_struct xmm_registers[16]; + uint8_t reserved4[96]; +} MDXmmSaveArea32AMD64; /* XMM_SAVE_AREA32 */ + +#define MD_CONTEXT_AMD64_VR_COUNT 26 + +typedef struct { + /* + * Register parameter home addresses. + */ + uint64_t p1_home; + uint64_t p2_home; + uint64_t p3_home; + uint64_t p4_home; + uint64_t p5_home; + uint64_t p6_home; + + /* The next field determines the layout of the structure, and which parts + * of it are populated */ + uint32_t context_flags; + uint32_t mx_csr; + + /* The next register is included with MD_CONTEXT_AMD64_CONTROL */ + uint16_t cs; + + /* The next 4 registers are included with MD_CONTEXT_AMD64_SEGMENTS */ + uint16_t ds; + uint16_t es; + uint16_t fs; + uint16_t gs; + + /* The next 2 registers are included with MD_CONTEXT_AMD64_CONTROL */ + uint16_t ss; + uint32_t eflags; + + /* The next 6 registers are included with MD_CONTEXT_AMD64_DEBUG_REGISTERS */ + uint64_t dr0; + uint64_t dr1; + uint64_t dr2; + uint64_t dr3; + uint64_t dr6; + uint64_t dr7; + + /* The next 4 registers are included with MD_CONTEXT_AMD64_INTEGER */ + uint64_t rax; + uint64_t rcx; + uint64_t rdx; + uint64_t rbx; + + /* The next register is included with MD_CONTEXT_AMD64_CONTROL */ + uint64_t rsp; + + /* The next 11 registers are included with MD_CONTEXT_AMD64_INTEGER */ + uint64_t rbp; + uint64_t rsi; + uint64_t rdi; + uint64_t r8; + uint64_t r9; + uint64_t r10; + uint64_t r11; + uint64_t r12; + uint64_t r13; + uint64_t r14; + uint64_t r15; + + /* The next register is included with MD_CONTEXT_AMD64_CONTROL */ + uint64_t rip; + + /* The next set of registers are included with + * MD_CONTEXT_AMD64_FLOATING_POINT + */ + union { + MDXmmSaveArea32AMD64 flt_save; + struct { + uint128_struct header[2]; + uint128_struct legacy[8]; + uint128_struct xmm0; + uint128_struct xmm1; + uint128_struct xmm2; + uint128_struct xmm3; + uint128_struct xmm4; + uint128_struct xmm5; + uint128_struct xmm6; + uint128_struct xmm7; + uint128_struct xmm8; + uint128_struct xmm9; + uint128_struct xmm10; + uint128_struct xmm11; + uint128_struct xmm12; + uint128_struct xmm13; + uint128_struct xmm14; + uint128_struct xmm15; + } sse_registers; + }; + + uint128_struct vector_register[MD_CONTEXT_AMD64_VR_COUNT]; + uint64_t vector_control; + + /* The next 5 registers are included with MD_CONTEXT_AMD64_DEBUG_REGISTERS */ + uint64_t debug_control; + uint64_t last_branch_to_rip; + uint64_t last_branch_from_rip; + uint64_t last_exception_to_rip; + uint64_t last_exception_from_rip; + +} MDRawContextAMD64; /* CONTEXT */ + +/* For (MDRawContextAMD64).context_flags. These values indicate the type of + * context stored in the structure. The high 24 bits identify the CPU, the + * low 8 bits identify the type of context saved. */ +#define MD_CONTEXT_AMD64 0x00100000 /* CONTEXT_AMD64 */ +#define MD_CONTEXT_AMD64_CONTROL (MD_CONTEXT_AMD64 | 0x00000001) + /* CONTEXT_CONTROL */ +#define MD_CONTEXT_AMD64_INTEGER (MD_CONTEXT_AMD64 | 0x00000002) + /* CONTEXT_INTEGER */ +#define MD_CONTEXT_AMD64_SEGMENTS (MD_CONTEXT_AMD64 | 0x00000004) + /* CONTEXT_SEGMENTS */ +#define MD_CONTEXT_AMD64_FLOATING_POINT (MD_CONTEXT_AMD64 | 0x00000008) + /* CONTEXT_FLOATING_POINT */ +#define MD_CONTEXT_AMD64_DEBUG_REGISTERS (MD_CONTEXT_AMD64 | 0x00000010) + /* CONTEXT_DEBUG_REGISTERS */ +#define MD_CONTEXT_AMD64_XSTATE (MD_CONTEXT_AMD64 | 0x00000040) + /* CONTEXT_XSTATE */ + +/* WinNT.h refers to CONTEXT_MMX_REGISTERS but doesn't appear to define it + * I think it really means CONTEXT_FLOATING_POINT. + */ + +#define MD_CONTEXT_AMD64_FULL (MD_CONTEXT_AMD64_CONTROL | \ + MD_CONTEXT_AMD64_INTEGER | \ + MD_CONTEXT_AMD64_FLOATING_POINT) + /* CONTEXT_FULL */ + +#define MD_CONTEXT_AMD64_ALL (MD_CONTEXT_AMD64_FULL | \ + MD_CONTEXT_AMD64_SEGMENTS | \ + MD_CONTEXT_X86_DEBUG_REGISTERS) + /* CONTEXT_ALL */ + + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_AMD64_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_cpu_arm.h b/google-breakpad/src/google_breakpad/common/minidump_cpu_arm.h new file mode 100644 index 0000000..6a71138 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_cpu_arm.h @@ -0,0 +1,151 @@ +/* Copyright (c) 2009, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_format.h: A cross-platform reimplementation of minidump-related + * portions of DbgHelp.h from the Windows Platform SDK. + * + * (This is C99 source, please don't corrupt it with C++.) + * + * This file contains the necessary definitions to read minidump files + * produced on ARM. These files may be read on any platform provided + * that the alignments of these structures on the processing system are + * identical to the alignments of these structures on the producing system. + * For this reason, precise-sized types are used. The structures defined + * by this file have been laid out to minimize alignment problems by + * ensuring that all members are aligned on their natural boundaries. + * In some cases, tail-padding may be significant when different ABIs specify + * different tail-padding behaviors. To avoid problems when reading or + * writing affected structures, MD_*_SIZE macros are provided where needed, + * containing the useful size of the structures without padding. + * + * Structures that are defined by Microsoft to contain a zero-length array + * are instead defined here to contain an array with one element, as + * zero-length arrays are forbidden by standard C and C++. In these cases, + * *_minsize constants are provided to be used in place of sizeof. For a + * cleaner interface to these sizes when using C++, see minidump_size.h. + * + * These structures are also sufficient to populate minidump files. + * + * Because precise data type sizes are crucial for this implementation to + * function properly and portably, a set of primitive types with known sizes + * are used as the basis of each structure defined by this file. + * + * Author: Julian Seward + */ + +/* + * ARM support + */ + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_ARM_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_ARM_H__ + +#define MD_FLOATINGSAVEAREA_ARM_FPR_COUNT 32 +#define MD_FLOATINGSAVEAREA_ARM_FPEXTRA_COUNT 8 + +/* + * Note that these structures *do not* map directly to the CONTEXT + * structure defined in WinNT.h in the Windows Mobile SDK. That structure + * does not accomodate VFPv3, and I'm unsure if it was ever used in the + * wild anyway, as Windows CE only seems to produce "cedumps" which + * are not exactly minidumps. + */ +typedef struct { + uint64_t fpscr; /* FPU status register */ + + /* 32 64-bit floating point registers, d0 .. d31. */ + uint64_t regs[MD_FLOATINGSAVEAREA_ARM_FPR_COUNT]; + + /* Miscellaneous control words */ + uint32_t extra[MD_FLOATINGSAVEAREA_ARM_FPEXTRA_COUNT]; +} MDFloatingSaveAreaARM; + +#define MD_CONTEXT_ARM_GPR_COUNT 16 + +typedef struct { + /* The next field determines the layout of the structure, and which parts + * of it are populated + */ + uint32_t context_flags; + + /* 16 32-bit integer registers, r0 .. r15 + * Note the following fixed uses: + * r13 is the stack pointer + * r14 is the link register + * r15 is the program counter + */ + uint32_t iregs[MD_CONTEXT_ARM_GPR_COUNT]; + + /* CPSR (flags, basically): 32 bits: + bit 31 - N (negative) + bit 30 - Z (zero) + bit 29 - C (carry) + bit 28 - V (overflow) + bit 27 - Q (saturation flag, sticky) + All other fields -- ignore */ + uint32_t cpsr; + + /* The next field is included with MD_CONTEXT_ARM_FLOATING_POINT */ + MDFloatingSaveAreaARM float_save; + +} MDRawContextARM; + +/* Indices into iregs for registers with a dedicated or conventional + * purpose. + */ +enum MDARMRegisterNumbers { + MD_CONTEXT_ARM_REG_IOS_FP = 7, + MD_CONTEXT_ARM_REG_FP = 11, + MD_CONTEXT_ARM_REG_SP = 13, + MD_CONTEXT_ARM_REG_LR = 14, + MD_CONTEXT_ARM_REG_PC = 15 +}; + +/* For (MDRawContextARM).context_flags. These values indicate the type of + * context stored in the structure. */ +/* CONTEXT_ARM from the Windows CE 5.0 SDK. This value isn't correct + * because this bit can be used for flags. Presumably this value was + * never actually used in minidumps, but only in "CEDumps" which + * are a whole parallel minidump file format for Windows CE. + * Therefore, Breakpad defines its own value for ARM CPUs. + */ +#define MD_CONTEXT_ARM_OLD 0x00000040 +/* This value was chosen to avoid likely conflicts with MD_CONTEXT_* + * for other CPUs. */ +#define MD_CONTEXT_ARM 0x40000000 +#define MD_CONTEXT_ARM_INTEGER (MD_CONTEXT_ARM | 0x00000002) +#define MD_CONTEXT_ARM_FLOATING_POINT (MD_CONTEXT_ARM | 0x00000004) + +#define MD_CONTEXT_ARM_FULL (MD_CONTEXT_ARM_INTEGER | \ + MD_CONTEXT_ARM_FLOATING_POINT) + +#define MD_CONTEXT_ARM_ALL (MD_CONTEXT_ARM_INTEGER | \ + MD_CONTEXT_ARM_FLOATING_POINT) + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_ARM_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_cpu_ppc.h b/google-breakpad/src/google_breakpad/common/minidump_cpu_ppc.h new file mode 100644 index 0000000..02ac322 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_cpu_ppc.h @@ -0,0 +1,163 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_format.h: A cross-platform reimplementation of minidump-related + * portions of DbgHelp.h from the Windows Platform SDK. + * + * (This is C99 source, please don't corrupt it with C++.) + * + * This file contains the necessary definitions to read minidump files + * produced on ppc. These files may be read on any platform provided + * that the alignments of these structures on the processing system are + * identical to the alignments of these structures on the producing system. + * For this reason, precise-sized types are used. The structures defined + * by this file have been laid out to minimize alignment problems by ensuring + * ensuring that all members are aligned on their natural boundaries. In + * In some cases, tail-padding may be significant when different ABIs specify + * different tail-padding behaviors. To avoid problems when reading or + * writing affected structures, MD_*_SIZE macros are provided where needed, + * containing the useful size of the structures without padding. + * + * Structures that are defined by Microsoft to contain a zero-length array + * are instead defined here to contain an array with one element, as + * zero-length arrays are forbidden by standard C and C++. In these cases, + * *_minsize constants are provided to be used in place of sizeof. For a + * cleaner interface to these sizes when using C++, see minidump_size.h. + * + * These structures are also sufficient to populate minidump files. + * + * These definitions may be extended to support handling minidump files + * for other CPUs and other operating systems. + * + * Because precise data type sizes are crucial for this implementation to + * function properly and portably in terms of interoperability with minidumps + * produced by DbgHelp on Windows, a set of primitive types with known sizes + * are used as the basis of each structure defined by this file. DbgHelp + * on Windows is assumed to be the reference implementation; this file + * seeks to provide a cross-platform compatible implementation. To avoid + * collisions with the types and values defined and used by DbgHelp in the + * event that this implementation is used on Windows, each type and value + * defined here is given a new name, beginning with "MD". Names of the + * equivalent types and values in the Windows Platform SDK are given in + * comments. + * + * Author: Mark Mentovai + * Change to split into its own file: Neal Sidhwaney */ + +/* + * Breakpad minidump extension for PowerPC support. Based on Darwin/Mac OS X' + * mach/ppc/_types.h + */ + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_PPC_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_PPC_H__ + +#define MD_FLOATINGSAVEAREA_PPC_FPR_COUNT 32 + +typedef struct { + /* fpregs is a double[32] in mach/ppc/_types.h, but a uint64_t is used + * here for precise sizing. */ + uint64_t fpregs[MD_FLOATINGSAVEAREA_PPC_FPR_COUNT]; + uint32_t fpscr_pad; + uint32_t fpscr; /* Status/control */ +} MDFloatingSaveAreaPPC; /* Based on ppc_float_state */ + + +#define MD_VECTORSAVEAREA_PPC_VR_COUNT 32 + +typedef struct { + /* Vector registers (including vscr) are 128 bits, but mach/ppc/_types.h + * exposes them as four 32-bit quantities. */ + uint128_struct save_vr[MD_VECTORSAVEAREA_PPC_VR_COUNT]; + uint128_struct save_vscr; /* Status/control */ + uint32_t save_pad5[4]; + uint32_t save_vrvalid; /* Indicates which vector registers are saved */ + uint32_t save_pad6[7]; +} MDVectorSaveAreaPPC; /* ppc_vector_state */ + + +#define MD_CONTEXT_PPC_GPR_COUNT 32 + +/* Use the same 32-bit alignment when accessing this structure from 64-bit code + * as is used natively in 32-bit code. #pragma pack is a MSVC extension + * supported by gcc. */ +#if defined(__SUNPRO_C) || defined(__SUNPRO_CC) +#pragma pack(4) +#else +#pragma pack(push, 4) +#endif + +typedef struct { + /* context_flags is not present in ppc_thread_state, but it aids + * identification of MDRawContextPPC among other raw context types, + * and it guarantees alignment when we get to float_save. */ + uint32_t context_flags; + + uint32_t srr0; /* Machine status save/restore: stores pc + * (instruction) */ + uint32_t srr1; /* Machine status save/restore: stores msr + * (ps, program/machine state) */ + /* ppc_thread_state contains 32 fields, r0 .. r31. Here, an array is + * used for brevity. */ + uint32_t gpr[MD_CONTEXT_PPC_GPR_COUNT]; + uint32_t cr; /* Condition */ + uint32_t xer; /* Integer (fiXed-point) exception */ + uint32_t lr; /* Link */ + uint32_t ctr; /* Count */ + uint32_t mq; /* Multiply/Quotient (PPC 601, POWER only) */ + uint32_t vrsave; /* Vector save */ + + /* float_save and vector_save aren't present in ppc_thread_state, but + * are represented in separate structures that still define a thread's + * context. */ + MDFloatingSaveAreaPPC float_save; + MDVectorSaveAreaPPC vector_save; +} MDRawContextPPC; /* Based on ppc_thread_state */ + +#if defined(__SUNPRO_C) || defined(__SUNPRO_CC) +#pragma pack(0) +#else +#pragma pack(pop) +#endif + +/* For (MDRawContextPPC).context_flags. These values indicate the type of + * context stored in the structure. MD_CONTEXT_PPC is Breakpad-defined. Its + * value was chosen to avoid likely conflicts with MD_CONTEXT_* for other + * CPUs. */ +#define MD_CONTEXT_PPC 0x20000000 +#define MD_CONTEXT_PPC_BASE (MD_CONTEXT_PPC | 0x00000001) +#define MD_CONTEXT_PPC_FLOATING_POINT (MD_CONTEXT_PPC | 0x00000008) +#define MD_CONTEXT_PPC_VECTOR (MD_CONTEXT_PPC | 0x00000020) + +#define MD_CONTEXT_PPC_FULL MD_CONTEXT_PPC_BASE +#define MD_CONTEXT_PPC_ALL (MD_CONTEXT_PPC_FULL | \ + MD_CONTEXT_PPC_FLOATING_POINT | \ + MD_CONTEXT_PPC_VECTOR) + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_PPC_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_cpu_ppc64.h b/google-breakpad/src/google_breakpad/common/minidump_cpu_ppc64.h new file mode 100644 index 0000000..3a88323 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_cpu_ppc64.h @@ -0,0 +1,129 @@ +/* Copyright (c) 2008, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_format.h: A cross-platform reimplementation of minidump-related + * portions of DbgHelp.h from the Windows Platform SDK. + * + * (This is C99 source, please don't corrupt it with C++.) + * + * This file contains the necessary definitions to read minidump files + * produced on ppc64. These files may be read on any platform provided + * that the alignments of these structures on the processing system are + * identical to the alignments of these structures on the producing system. + * For this reason, precise-sized types are used. The structures defined + * by this file have been laid out to minimize alignment problems by ensuring + * ensuring that all members are aligned on their natural boundaries. In + * In some cases, tail-padding may be significant when different ABIs specify + * different tail-padding behaviors. To avoid problems when reading or + * writing affected structures, MD_*_SIZE macros are provided where needed, + * containing the useful size of the structures without padding. + * + * Structures that are defined by Microsoft to contain a zero-length array + * are instead defined here to contain an array with one element, as + * zero-length arrays are forbidden by standard C and C++. In these cases, + * *_minsize constants are provided to be used in place of sizeof. For a + * cleaner interface to these sizes when using C++, see minidump_size.h. + * + * These structures are also sufficient to populate minidump files. + * + * These definitions may be extended to support handling minidump files + * for other CPUs and other operating systems. + * + * Because precise data type sizes are crucial for this implementation to + * function properly and portably in terms of interoperability with minidumps + * produced by DbgHelp on Windows, a set of primitive types with known sizes + * are used as the basis of each structure defined by this file. DbgHelp + * on Windows is assumed to be the reference implementation; this file + * seeks to provide a cross-platform compatible implementation. To avoid + * collisions with the types and values defined and used by DbgHelp in the + * event that this implementation is used on Windows, each type and value + * defined here is given a new name, beginning with "MD". Names of the + * equivalent types and values in the Windows Platform SDK are given in + * comments. + * + * Author: Neal Sidhwaney */ + + +/* + * Breakpad minidump extension for PPC64 support. Based on Darwin/Mac OS X' + * mach/ppc/_types.h + */ + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_PPC64_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_PPC64_H__ + +#include "minidump_cpu_ppc.h" + +// these types are the same in ppc64 & ppc +typedef MDFloatingSaveAreaPPC MDFloatingSaveAreaPPC64; +typedef MDVectorSaveAreaPPC MDVectorSaveAreaPPC64; + +#define MD_CONTEXT_PPC64_GPR_COUNT MD_CONTEXT_PPC_GPR_COUNT + +typedef struct { + /* context_flags is not present in ppc_thread_state, but it aids + * identification of MDRawContextPPC among other raw context types, + * and it guarantees alignment when we get to float_save. */ + uint64_t context_flags; + + uint64_t srr0; /* Machine status save/restore: stores pc + * (instruction) */ + uint64_t srr1; /* Machine status save/restore: stores msr + * (ps, program/machine state) */ + /* ppc_thread_state contains 32 fields, r0 .. r31. Here, an array is + * used for brevity. */ + uint64_t gpr[MD_CONTEXT_PPC64_GPR_COUNT]; + uint64_t cr; /* Condition */ + uint64_t xer; /* Integer (fiXed-point) exception */ + uint64_t lr; /* Link */ + uint64_t ctr; /* Count */ + uint64_t vrsave; /* Vector save */ + + /* float_save and vector_save aren't present in ppc_thread_state, but + * are represented in separate structures that still define a thread's + * context. */ + MDFloatingSaveAreaPPC float_save; + MDVectorSaveAreaPPC vector_save; +} MDRawContextPPC64; /* Based on ppc_thread_state */ + +/* For (MDRawContextPPC).context_flags. These values indicate the type of + * context stored in the structure. MD_CONTEXT_PPC is Breakpad-defined. Its + * value was chosen to avoid likely conflicts with MD_CONTEXT_* for other + * CPUs. */ +#define MD_CONTEXT_PPC64 0x01000000 +#define MD_CONTEXT_PPC64_BASE (MD_CONTEXT_PPC64 | 0x00000001) +#define MD_CONTEXT_PPC64_FLOATING_POINT (MD_CONTEXT_PPC64 | 0x00000008) +#define MD_CONTEXT_PPC64_VECTOR (MD_CONTEXT_PPC64 | 0x00000020) + +#define MD_CONTEXT_PPC64_FULL MD_CONTEXT_PPC64_BASE +#define MD_CONTEXT_PPC64_ALL (MD_CONTEXT_PPC64_FULL | \ + MD_CONTEXT_PPC64_FLOATING_POINT | \ + MD_CONTEXT_PPC64_VECTOR) + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_PPC64_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_cpu_sparc.h b/google-breakpad/src/google_breakpad/common/minidump_cpu_sparc.h new file mode 100644 index 0000000..ddc4c75 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_cpu_sparc.h @@ -0,0 +1,158 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_format.h: A cross-platform reimplementation of minidump-related + * portions of DbgHelp.h from the Windows Platform SDK. + * + * (This is C99 source, please don't corrupt it with C++.) + * + * This file contains the necessary definitions to read minidump files + * produced on sparc. These files may be read on any platform provided + * that the alignments of these structures on the processing system are + * identical to the alignments of these structures on the producing system. + * For this reason, precise-sized types are used. The structures defined + * by this file have been laid out to minimize alignment problems by ensuring + * ensuring that all members are aligned on their natural boundaries. In + * In some cases, tail-padding may be significant when different ABIs specify + * different tail-padding behaviors. To avoid problems when reading or + * writing affected structures, MD_*_SIZE macros are provided where needed, + * containing the useful size of the structures without padding. + * + * Structures that are defined by Microsoft to contain a zero-length array + * are instead defined here to contain an array with one element, as + * zero-length arrays are forbidden by standard C and C++. In these cases, + * *_minsize constants are provided to be used in place of sizeof. For a + * cleaner interface to these sizes when using C++, see minidump_size.h. + * + * These structures are also sufficient to populate minidump files. + * + * These definitions may be extended to support handling minidump files + * for other CPUs and other operating systems. + * + * Because precise data type sizes are crucial for this implementation to + * function properly and portably in terms of interoperability with minidumps + * produced by DbgHelp on Windows, a set of primitive types with known sizes + * are used as the basis of each structure defined by this file. DbgHelp + * on Windows is assumed to be the reference implementation; this file + * seeks to provide a cross-platform compatible implementation. To avoid + * collisions with the types and values defined and used by DbgHelp in the + * event that this implementation is used on Windows, each type and value + * defined here is given a new name, beginning with "MD". Names of the + * equivalent types and values in the Windows Platform SDK are given in + * comments. + * + * Author: Mark Mentovai + * Change to split into its own file: Neal Sidhwaney */ + +/* + * SPARC support, see (solaris)sys/procfs_isa.h also + */ + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_SPARC_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_SPARC_H__ + +#define MD_FLOATINGSAVEAREA_SPARC_FPR_COUNT 32 + +typedef struct { + + /* FPU floating point regs */ + uint64_t regs[MD_FLOATINGSAVEAREA_SPARC_FPR_COUNT]; + + uint64_t filler; + uint64_t fsr; /* FPU status register */ +} MDFloatingSaveAreaSPARC; /* FLOATING_SAVE_AREA */ + +#define MD_CONTEXT_SPARC_GPR_COUNT 32 + +typedef struct { + /* The next field determines the layout of the structure, and which parts + * of it are populated + */ + uint32_t context_flags; + uint32_t flag_pad; + /* + * General register access (SPARC). + * Don't confuse definitions here with definitions in . + * Registers are 32 bits for ILP32, 64 bits for LP64. + * SPARC V7/V8 is for 32bit, SPARC V9 is for 64bit + */ + + /* 32 Integer working registers */ + + /* g_r[0-7] global registers(g0-g7) + * g_r[8-15] out registers(o0-o7) + * g_r[16-23] local registers(l0-l7) + * g_r[24-31] in registers(i0-i7) + */ + uint64_t g_r[MD_CONTEXT_SPARC_GPR_COUNT]; + + /* several control registers */ + + /* Processor State register(PSR) for SPARC V7/V8 + * Condition Code register (CCR) for SPARC V9 + */ + uint64_t ccr; + + uint64_t pc; /* Program Counter register (PC) */ + uint64_t npc; /* Next Program Counter register (nPC) */ + uint64_t y; /* Y register (Y) */ + + /* Address Space Identifier register (ASI) for SPARC V9 + * WIM for SPARC V7/V8 + */ + uint64_t asi; + + /* Floating-Point Registers State register (FPRS) for SPARC V9 + * TBR for for SPARC V7/V8 + */ + uint64_t fprs; + + /* The next field is included with MD_CONTEXT_SPARC_FLOATING_POINT */ + MDFloatingSaveAreaSPARC float_save; + +} MDRawContextSPARC; /* CONTEXT_SPARC */ + +/* For (MDRawContextSPARC).context_flags. These values indicate the type of + * context stored in the structure. MD_CONTEXT_SPARC is Breakpad-defined. Its + * value was chosen to avoid likely conflicts with MD_CONTEXT_* for other + * CPUs. */ +#define MD_CONTEXT_SPARC 0x10000000 +#define MD_CONTEXT_SPARC_CONTROL (MD_CONTEXT_SPARC | 0x00000001) +#define MD_CONTEXT_SPARC_INTEGER (MD_CONTEXT_SPARC | 0x00000002) +#define MD_CONTEXT_SAPARC_FLOATING_POINT (MD_CONTEXT_SPARC | 0x00000004) +#define MD_CONTEXT_SAPARC_EXTRA (MD_CONTEXT_SPARC | 0x00000008) + +#define MD_CONTEXT_SPARC_FULL (MD_CONTEXT_SPARC_CONTROL | \ + MD_CONTEXT_SPARC_INTEGER) + +#define MD_CONTEXT_SPARC_ALL (MD_CONTEXT_SPARC_FULL | \ + MD_CONTEXT_SAPARC_FLOATING_POINT | \ + MD_CONTEXT_SAPARC_EXTRA) + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_SPARC_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_cpu_x86.h b/google-breakpad/src/google_breakpad/common/minidump_cpu_x86.h new file mode 100644 index 0000000..e09cb7c --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_cpu_x86.h @@ -0,0 +1,174 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_format.h: A cross-platform reimplementation of minidump-related + * portions of DbgHelp.h from the Windows Platform SDK. + * + * (This is C99 source, please don't corrupt it with C++.) + * + * This file contains the necessary definitions to read minidump files + * produced on x86. These files may be read on any platform provided + * that the alignments of these structures on the processing system are + * identical to the alignments of these structures on the producing system. + * For this reason, precise-sized types are used. The structures defined + * by this file have been laid out to minimize alignment problems by ensuring + * ensuring that all members are aligned on their natural boundaries. In + * In some cases, tail-padding may be significant when different ABIs specify + * different tail-padding behaviors. To avoid problems when reading or + * writing affected structures, MD_*_SIZE macros are provided where needed, + * containing the useful size of the structures without padding. + * + * Structures that are defined by Microsoft to contain a zero-length array + * are instead defined here to contain an array with one element, as + * zero-length arrays are forbidden by standard C and C++. In these cases, + * *_minsize constants are provided to be used in place of sizeof. For a + * cleaner interface to these sizes when using C++, see minidump_size.h. + * + * These structures are also sufficient to populate minidump files. + * + * These definitions may be extended to support handling minidump files + * for other CPUs and other operating systems. + * + * Because precise data type sizes are crucial for this implementation to + * function properly and portably in terms of interoperability with minidumps + * produced by DbgHelp on Windows, a set of primitive types with known sizes + * are used as the basis of each structure defined by this file. DbgHelp + * on Windows is assumed to be the reference implementation; this file + * seeks to provide a cross-platform compatible implementation. To avoid + * collisions with the types and values defined and used by DbgHelp in the + * event that this implementation is used on Windows, each type and value + * defined here is given a new name, beginning with "MD". Names of the + * equivalent types and values in the Windows Platform SDK are given in + * comments. + * + * Author: Mark Mentovai */ + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_X86_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_X86_H__ + +#define MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE 80 + /* SIZE_OF_80387_REGISTERS */ + +typedef struct { + uint32_t control_word; + uint32_t status_word; + uint32_t tag_word; + uint32_t error_offset; + uint32_t error_selector; + uint32_t data_offset; + uint32_t data_selector; + + /* register_area contains eight 80-bit (x87 "long double") quantities for + * floating-point registers %st0 (%mm0) through %st7 (%mm7). */ + uint8_t register_area[MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE]; + uint32_t cr0_npx_state; +} MDFloatingSaveAreaX86; /* FLOATING_SAVE_AREA */ + + +#define MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE 512 + /* MAXIMUM_SUPPORTED_EXTENSION */ + +typedef struct { + /* The next field determines the layout of the structure, and which parts + * of it are populated */ + uint32_t context_flags; + + /* The next 6 registers are included with MD_CONTEXT_X86_DEBUG_REGISTERS */ + uint32_t dr0; + uint32_t dr1; + uint32_t dr2; + uint32_t dr3; + uint32_t dr6; + uint32_t dr7; + + /* The next field is included with MD_CONTEXT_X86_FLOATING_POINT */ + MDFloatingSaveAreaX86 float_save; + + /* The next 4 registers are included with MD_CONTEXT_X86_SEGMENTS */ + uint32_t gs; + uint32_t fs; + uint32_t es; + uint32_t ds; + /* The next 6 registers are included with MD_CONTEXT_X86_INTEGER */ + uint32_t edi; + uint32_t esi; + uint32_t ebx; + uint32_t edx; + uint32_t ecx; + uint32_t eax; + + /* The next 6 registers are included with MD_CONTEXT_X86_CONTROL */ + uint32_t ebp; + uint32_t eip; + uint32_t cs; /* WinNT.h says "must be sanitized" */ + uint32_t eflags; /* WinNT.h says "must be sanitized" */ + uint32_t esp; + uint32_t ss; + + /* The next field is included with MD_CONTEXT_X86_EXTENDED_REGISTERS. + * It contains vector (MMX/SSE) registers. It it laid out in the + * format used by the fxsave and fsrstor instructions, so it includes + * a copy of the x87 floating-point registers as well. See FXSAVE in + * "Intel Architecture Software Developer's Manual, Volume 2." */ + uint8_t extended_registers[ + MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE]; +} MDRawContextX86; /* CONTEXT */ + +/* For (MDRawContextX86).context_flags. These values indicate the type of + * context stored in the structure. The high 24 bits identify the CPU, the + * low 8 bits identify the type of context saved. */ +#define MD_CONTEXT_X86 0x00010000 + /* CONTEXT_i386, CONTEXT_i486: identifies CPU */ +#define MD_CONTEXT_X86_CONTROL (MD_CONTEXT_X86 | 0x00000001) + /* CONTEXT_CONTROL */ +#define MD_CONTEXT_X86_INTEGER (MD_CONTEXT_X86 | 0x00000002) + /* CONTEXT_INTEGER */ +#define MD_CONTEXT_X86_SEGMENTS (MD_CONTEXT_X86 | 0x00000004) + /* CONTEXT_SEGMENTS */ +#define MD_CONTEXT_X86_FLOATING_POINT (MD_CONTEXT_X86 | 0x00000008) + /* CONTEXT_FLOATING_POINT */ +#define MD_CONTEXT_X86_DEBUG_REGISTERS (MD_CONTEXT_X86 | 0x00000010) + /* CONTEXT_DEBUG_REGISTERS */ +#define MD_CONTEXT_X86_EXTENDED_REGISTERS (MD_CONTEXT_X86 | 0x00000020) + /* CONTEXT_EXTENDED_REGISTERS */ +#define MD_CONTEXT_X86_XSTATE (MD_CONTEXT_X86 | 0x00000040) + /* CONTEXT_XSTATE */ + +#define MD_CONTEXT_X86_FULL (MD_CONTEXT_X86_CONTROL | \ + MD_CONTEXT_X86_INTEGER | \ + MD_CONTEXT_X86_SEGMENTS) + /* CONTEXT_FULL */ + +#define MD_CONTEXT_X86_ALL (MD_CONTEXT_X86_FULL | \ + MD_CONTEXT_X86_FLOATING_POINT | \ + MD_CONTEXT_X86_DEBUG_REGISTERS | \ + MD_CONTEXT_X86_EXTENDED_REGISTERS) + /* CONTEXT_ALL */ + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_X86_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_exception_linux.h b/google-breakpad/src/google_breakpad/common/minidump_exception_linux.h new file mode 100644 index 0000000..9e7e4f1 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_exception_linux.h @@ -0,0 +1,87 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_exception_linux.h: A definition of exception codes for + * Linux + * + * (This is C99 source, please don't corrupt it with C++.) + * + * Author: Mark Mentovai + * Split into its own file: Neal Sidhwaney */ + + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_LINUX_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_LINUX_H__ + +#include + +#include "google_breakpad/common/breakpad_types.h" + + +/* For (MDException).exception_code. These values come from bits/signum.h. + */ +typedef enum { + MD_EXCEPTION_CODE_LIN_SIGHUP = 1, /* Hangup (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGINT = 2, /* Interrupt (ANSI) */ + MD_EXCEPTION_CODE_LIN_SIGQUIT = 3, /* Quit (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGILL = 4, /* Illegal instruction (ANSI) */ + MD_EXCEPTION_CODE_LIN_SIGTRAP = 5, /* Trace trap (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGABRT = 6, /* Abort (ANSI) */ + MD_EXCEPTION_CODE_LIN_SIGBUS = 7, /* BUS error (4.2 BSD) */ + MD_EXCEPTION_CODE_LIN_SIGFPE = 8, /* Floating-point exception (ANSI) */ + MD_EXCEPTION_CODE_LIN_SIGKILL = 9, /* Kill, unblockable (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGUSR1 = 10, /* User-defined signal 1 (POSIX). */ + MD_EXCEPTION_CODE_LIN_SIGSEGV = 11, /* Segmentation violation (ANSI) */ + MD_EXCEPTION_CODE_LIN_SIGUSR2 = 12, /* User-defined signal 2 (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGPIPE = 13, /* Broken pipe (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGALRM = 14, /* Alarm clock (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGTERM = 15, /* Termination (ANSI) */ + MD_EXCEPTION_CODE_LIN_SIGSTKFLT = 16, /* Stack faultd */ + MD_EXCEPTION_CODE_LIN_SIGCHLD = 17, /* Child status has changed (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGCONT = 18, /* Continue (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGSTOP = 19, /* Stop, unblockable (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGTSTP = 20, /* Keyboard stop (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGTTIN = 21, /* Background read from tty (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGTTOU = 22, /* Background write to tty (POSIX) */ + MD_EXCEPTION_CODE_LIN_SIGURG = 23, + /* Urgent condition on socket (4.2 BSD) */ + MD_EXCEPTION_CODE_LIN_SIGXCPU = 24, /* CPU limit exceeded (4.2 BSD) */ + MD_EXCEPTION_CODE_LIN_SIGXFSZ = 25, + /* File size limit exceeded (4.2 BSD) */ + MD_EXCEPTION_CODE_LIN_SIGVTALRM = 26, /* Virtual alarm clock (4.2 BSD) */ + MD_EXCEPTION_CODE_LIN_SIGPROF = 27, /* Profiling alarm clock (4.2 BSD) */ + MD_EXCEPTION_CODE_LIN_SIGWINCH = 28, /* Window size change (4.3 BSD, Sun) */ + MD_EXCEPTION_CODE_LIN_SIGIO = 29, /* I/O now possible (4.2 BSD) */ + MD_EXCEPTION_CODE_LIN_SIGPWR = 30, /* Power failure restart (System V) */ + MD_EXCEPTION_CODE_LIN_SIGSYS = 31, /* Bad system call */ + MD_EXCEPTION_CODE_LIN_DUMP_REQUESTED = 0xFFFFFFFF /* No exception, + dump requested. */ +} MDExceptionCodeLinux; + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_LINUX_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_exception_mac.h b/google-breakpad/src/google_breakpad/common/minidump_exception_mac.h new file mode 100644 index 0000000..91c1c09 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_exception_mac.h @@ -0,0 +1,205 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_exception_mac.h: A definition of exception codes for Mac + * OS X + * + * (This is C99 source, please don't corrupt it with C++.) + * + * Author: Mark Mentovai + * Split into its own file: Neal Sidhwaney */ + + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_MAC_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_MAC_H__ + +#include + +#include "google_breakpad/common/breakpad_types.h" + +/* For (MDException).exception_code. Breakpad minidump extension for Mac OS X + * support. Based on Darwin/Mac OS X' mach/exception_types.h. This is + * what Mac OS X calls an "exception", not a "code". */ +typedef enum { + /* Exception code. The high 16 bits of exception_code contains one of + * these values. */ + MD_EXCEPTION_MAC_BAD_ACCESS = 1, /* code can be a kern_return_t */ + /* EXC_BAD_ACCESS */ + MD_EXCEPTION_MAC_BAD_INSTRUCTION = 2, /* code is CPU-specific */ + /* EXC_BAD_INSTRUCTION */ + MD_EXCEPTION_MAC_ARITHMETIC = 3, /* code is CPU-specific */ + /* EXC_ARITHMETIC */ + MD_EXCEPTION_MAC_EMULATION = 4, /* code is CPU-specific */ + /* EXC_EMULATION */ + MD_EXCEPTION_MAC_SOFTWARE = 5, + /* EXC_SOFTWARE */ + MD_EXCEPTION_MAC_BREAKPOINT = 6, /* code is CPU-specific */ + /* EXC_BREAKPOINT */ + MD_EXCEPTION_MAC_SYSCALL = 7, + /* EXC_SYSCALL */ + MD_EXCEPTION_MAC_MACH_SYSCALL = 8, + /* EXC_MACH_SYSCALL */ + MD_EXCEPTION_MAC_RPC_ALERT = 9 + /* EXC_RPC_ALERT */ +} MDExceptionMac; + +/* For (MDException).exception_flags. Breakpad minidump extension for Mac OS X + * support. Based on Darwin/Mac OS X' mach/ppc/exception.h and + * mach/i386/exception.h. This is what Mac OS X calls a "code". */ +typedef enum { + /* With MD_EXCEPTION_BAD_ACCESS. These are relevant kern_return_t values + * from mach/kern_return.h. */ + MD_EXCEPTION_CODE_MAC_INVALID_ADDRESS = 1, + /* KERN_INVALID_ADDRESS */ + MD_EXCEPTION_CODE_MAC_PROTECTION_FAILURE = 2, + /* KERN_PROTECTION_FAILURE */ + MD_EXCEPTION_CODE_MAC_NO_ACCESS = 8, + /* KERN_NO_ACCESS */ + MD_EXCEPTION_CODE_MAC_MEMORY_FAILURE = 9, + /* KERN_MEMORY_FAILURE */ + MD_EXCEPTION_CODE_MAC_MEMORY_ERROR = 10, + /* KERN_MEMORY_ERROR */ + + /* With MD_EXCEPTION_SOFTWARE */ + MD_EXCEPTION_CODE_MAC_BAD_SYSCALL = 0x00010000, /* Mach SIGSYS */ + MD_EXCEPTION_CODE_MAC_BAD_PIPE = 0x00010001, /* Mach SIGPIPE */ + MD_EXCEPTION_CODE_MAC_ABORT = 0x00010002, /* Mach SIGABRT */ + /* Custom values */ + MD_EXCEPTION_CODE_MAC_NS_EXCEPTION = 0xDEADC0DE, /* uncaught NSException */ + + /* With MD_EXCEPTION_MAC_BAD_ACCESS on arm */ + MD_EXCEPTION_CODE_MAC_ARM_DA_ALIGN = 0x0101, /* EXC_ARM_DA_ALIGN */ + MD_EXCEPTION_CODE_MAC_ARM_DA_DEBUG = 0x0102, /* EXC_ARM_DA_DEBUG */ + + /* With MD_EXCEPTION_MAC_BAD_INSTRUCTION on arm */ + MD_EXCEPTION_CODE_MAC_ARM_UNDEFINED = 1, /* EXC_ARM_UNDEFINED */ + + /* With MD_EXCEPTION_MAC_BREAKPOINT on arm */ + MD_EXCEPTION_CODE_MAC_ARM_BREAKPOINT = 1, /* EXC_ARM_BREAKPOINT */ + + /* With MD_EXCEPTION_MAC_BAD_ACCESS on ppc */ + MD_EXCEPTION_CODE_MAC_PPC_VM_PROT_READ = 0x0101, + /* EXC_PPC_VM_PROT_READ */ + MD_EXCEPTION_CODE_MAC_PPC_BADSPACE = 0x0102, + /* EXC_PPC_BADSPACE */ + MD_EXCEPTION_CODE_MAC_PPC_UNALIGNED = 0x0103, + /* EXC_PPC_UNALIGNED */ + + /* With MD_EXCEPTION_MAC_BAD_INSTRUCTION on ppc */ + MD_EXCEPTION_CODE_MAC_PPC_INVALID_SYSCALL = 1, + /* EXC_PPC_INVALID_SYSCALL */ + MD_EXCEPTION_CODE_MAC_PPC_UNIMPLEMENTED_INSTRUCTION = 2, + /* EXC_PPC_UNIPL_INST */ + MD_EXCEPTION_CODE_MAC_PPC_PRIVILEGED_INSTRUCTION = 3, + /* EXC_PPC_PRIVINST */ + MD_EXCEPTION_CODE_MAC_PPC_PRIVILEGED_REGISTER = 4, + /* EXC_PPC_PRIVREG */ + MD_EXCEPTION_CODE_MAC_PPC_TRACE = 5, + /* EXC_PPC_TRACE */ + MD_EXCEPTION_CODE_MAC_PPC_PERFORMANCE_MONITOR = 6, + /* EXC_PPC_PERFMON */ + + /* With MD_EXCEPTION_MAC_ARITHMETIC on ppc */ + MD_EXCEPTION_CODE_MAC_PPC_OVERFLOW = 1, + /* EXC_PPC_OVERFLOW */ + MD_EXCEPTION_CODE_MAC_PPC_ZERO_DIVIDE = 2, + /* EXC_PPC_ZERO_DIVIDE */ + MD_EXCEPTION_CODE_MAC_PPC_FLOAT_INEXACT = 3, + /* EXC_FLT_INEXACT */ + MD_EXCEPTION_CODE_MAC_PPC_FLOAT_ZERO_DIVIDE = 4, + /* EXC_PPC_FLT_ZERO_DIVIDE */ + MD_EXCEPTION_CODE_MAC_PPC_FLOAT_UNDERFLOW = 5, + /* EXC_PPC_FLT_UNDERFLOW */ + MD_EXCEPTION_CODE_MAC_PPC_FLOAT_OVERFLOW = 6, + /* EXC_PPC_FLT_OVERFLOW */ + MD_EXCEPTION_CODE_MAC_PPC_FLOAT_NOT_A_NUMBER = 7, + /* EXC_PPC_FLT_NOT_A_NUMBER */ + + /* With MD_EXCEPTION_MAC_EMULATION on ppc */ + MD_EXCEPTION_CODE_MAC_PPC_NO_EMULATION = 8, + /* EXC_PPC_NOEMULATION */ + MD_EXCEPTION_CODE_MAC_PPC_ALTIVEC_ASSIST = 9, + /* EXC_PPC_ALTIVECASSIST */ + + /* With MD_EXCEPTION_MAC_SOFTWARE on ppc */ + MD_EXCEPTION_CODE_MAC_PPC_TRAP = 0x00000001, /* EXC_PPC_TRAP */ + MD_EXCEPTION_CODE_MAC_PPC_MIGRATE = 0x00010100, /* EXC_PPC_MIGRATE */ + + /* With MD_EXCEPTION_MAC_BREAKPOINT on ppc */ + MD_EXCEPTION_CODE_MAC_PPC_BREAKPOINT = 1, /* EXC_PPC_BREAKPOINT */ + + /* With MD_EXCEPTION_MAC_BAD_INSTRUCTION on x86, see also x86 interrupt + * values below. */ + MD_EXCEPTION_CODE_MAC_X86_INVALID_OPERATION = 1, /* EXC_I386_INVOP */ + + /* With MD_EXCEPTION_MAC_ARITHMETIC on x86 */ + MD_EXCEPTION_CODE_MAC_X86_DIV = 1, /* EXC_I386_DIV */ + MD_EXCEPTION_CODE_MAC_X86_INTO = 2, /* EXC_I386_INTO */ + MD_EXCEPTION_CODE_MAC_X86_NOEXT = 3, /* EXC_I386_NOEXT */ + MD_EXCEPTION_CODE_MAC_X86_EXTOVR = 4, /* EXC_I386_EXTOVR */ + MD_EXCEPTION_CODE_MAC_X86_EXTERR = 5, /* EXC_I386_EXTERR */ + MD_EXCEPTION_CODE_MAC_X86_EMERR = 6, /* EXC_I386_EMERR */ + MD_EXCEPTION_CODE_MAC_X86_BOUND = 7, /* EXC_I386_BOUND */ + MD_EXCEPTION_CODE_MAC_X86_SSEEXTERR = 8, /* EXC_I386_SSEEXTERR */ + + /* With MD_EXCEPTION_MAC_BREAKPOINT on x86 */ + MD_EXCEPTION_CODE_MAC_X86_SGL = 1, /* EXC_I386_SGL */ + MD_EXCEPTION_CODE_MAC_X86_BPT = 2, /* EXC_I386_BPT */ + + /* With MD_EXCEPTION_MAC_BAD_INSTRUCTION on x86. These are the raw + * x86 interrupt codes. Most of these are mapped to other Mach + * exceptions and codes, are handled, or should not occur in user space. + * A few of these will do occur with MD_EXCEPTION_MAC_BAD_INSTRUCTION. */ + /* EXC_I386_DIVERR = 0: mapped to EXC_ARITHMETIC/EXC_I386_DIV */ + /* EXC_I386_SGLSTP = 1: mapped to EXC_BREAKPOINT/EXC_I386_SGL */ + /* EXC_I386_NMIFLT = 2: should not occur in user space */ + /* EXC_I386_BPTFLT = 3: mapped to EXC_BREAKPOINT/EXC_I386_BPT */ + /* EXC_I386_INTOFLT = 4: mapped to EXC_ARITHMETIC/EXC_I386_INTO */ + /* EXC_I386_BOUNDFLT = 5: mapped to EXC_ARITHMETIC/EXC_I386_BOUND */ + /* EXC_I386_INVOPFLT = 6: mapped to EXC_BAD_INSTRUCTION/EXC_I386_INVOP */ + /* EXC_I386_NOEXTFLT = 7: should be handled by the kernel */ + /* EXC_I386_DBLFLT = 8: should be handled (if possible) by the kernel */ + /* EXC_I386_EXTOVRFLT = 9: mapped to EXC_BAD_ACCESS/(PROT_READ|PROT_EXEC) */ + MD_EXCEPTION_CODE_MAC_X86_INVALID_TASK_STATE_SEGMENT = 10, + /* EXC_INVTSSFLT */ + MD_EXCEPTION_CODE_MAC_X86_SEGMENT_NOT_PRESENT = 11, + /* EXC_SEGNPFLT */ + MD_EXCEPTION_CODE_MAC_X86_STACK_FAULT = 12, + /* EXC_STKFLT */ + MD_EXCEPTION_CODE_MAC_X86_GENERAL_PROTECTION_FAULT = 13, + /* EXC_GPFLT */ + /* EXC_I386_PGFLT = 14: should not occur in user space */ + /* EXC_I386_EXTERRFLT = 16: mapped to EXC_ARITHMETIC/EXC_I386_EXTERR */ + MD_EXCEPTION_CODE_MAC_X86_ALIGNMENT_FAULT = 17 + /* EXC_ALIGNFLT (for vector operations) */ + /* EXC_I386_ENOEXTFLT = 32: should be handled by the kernel */ + /* EXC_I386_ENDPERR = 33: should not occur */ +} MDExceptionCodeMac; + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_MAC_OSX_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_exception_ps3.h b/google-breakpad/src/google_breakpad/common/minidump_exception_ps3.h new file mode 100644 index 0000000..adff5a6 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_exception_ps3.h @@ -0,0 +1,67 @@ +/* Copyright (c) 2013, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_exception_ps3.h: A definition of exception codes for + * PS3 */ + + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_PS3_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_PS3_H__ + +#include + +#include "google_breakpad/common/breakpad_types.h" + +typedef enum { + MD_EXCEPTION_CODE_PS3_UNKNOWN = 0, + MD_EXCEPTION_CODE_PS3_TRAP_EXCEP = 1, + MD_EXCEPTION_CODE_PS3_PRIV_INSTR = 2, + MD_EXCEPTION_CODE_PS3_ILLEGAL_INSTR = 3, + MD_EXCEPTION_CODE_PS3_INSTR_STORAGE = 4, + MD_EXCEPTION_CODE_PS3_INSTR_SEGMENT = 5, + MD_EXCEPTION_CODE_PS3_DATA_STORAGE = 6, + MD_EXCEPTION_CODE_PS3_DATA_SEGMENT = 7, + MD_EXCEPTION_CODE_PS3_FLOAT_POINT = 8, + MD_EXCEPTION_CODE_PS3_DABR_MATCH = 9, + MD_EXCEPTION_CODE_PS3_ALIGN_EXCEP = 10, + MD_EXCEPTION_CODE_PS3_MEMORY_ACCESS = 11, + MD_EXCEPTION_CODE_PS3_COPRO_ALIGN = 12, + MD_EXCEPTION_CODE_PS3_COPRO_INVALID_COM = 13, + MD_EXCEPTION_CODE_PS3_COPRO_ERR = 14, + MD_EXCEPTION_CODE_PS3_COPRO_FIR = 15, + MD_EXCEPTION_CODE_PS3_COPRO_DATA_SEGMENT = 16, + MD_EXCEPTION_CODE_PS3_COPRO_DATA_STORAGE = 17, + MD_EXCEPTION_CODE_PS3_COPRO_STOP_INSTR = 18, + MD_EXCEPTION_CODE_PS3_COPRO_HALT_INSTR = 19, + MD_EXCEPTION_CODE_PS3_COPRO_HALTINST_UNKNOWN = 20, + MD_EXCEPTION_CODE_PS3_COPRO_MEMORY_ACCESS = 21, + MD_EXCEPTION_CODE_PS3_GRAPHIC = 22 +} MDExceptionCodePS3; + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_PS3_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_exception_solaris.h b/google-breakpad/src/google_breakpad/common/minidump_exception_solaris.h new file mode 100644 index 0000000..f18ddf4 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_exception_solaris.h @@ -0,0 +1,94 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_exception_solaris.h: A definition of exception codes for + * Solaris + * + * (This is C99 source, please don't corrupt it with C++.) + * + * Author: Mark Mentovai + * Split into its own file: Neal Sidhwaney */ + + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_SOLARIS_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_SOLARIS_H__ + +#include + +#include "google_breakpad/common/breakpad_types.h" + +/* For (MDException).exception_code. These values come from sys/iso/signal_iso.h + */ +typedef enum { + MD_EXCEPTION_CODE_SOL_SIGHUP = 1, /* Hangup */ + MD_EXCEPTION_CODE_SOL_SIGINT = 2, /* interrupt (rubout) */ + MD_EXCEPTION_CODE_SOL_SIGQUIT = 3, /* quit (ASCII FS) */ + MD_EXCEPTION_CODE_SOL_SIGILL = 4, /* illegal instruction (not reset when caught) */ + MD_EXCEPTION_CODE_SOL_SIGTRAP = 5, /* trace trap (not reset when caught) */ + MD_EXCEPTION_CODE_SOL_SIGIOT = 6, /* IOT instruction */ + MD_EXCEPTION_CODE_SOL_SIGABRT = 6, /* used by abort, replace SIGIOT in the future */ + MD_EXCEPTION_CODE_SOL_SIGEMT = 7, /* EMT instruction */ + MD_EXCEPTION_CODE_SOL_SIGFPE = 8, /* floating point exception */ + MD_EXCEPTION_CODE_SOL_SIGKILL = 9, /* kill (cannot be caught or ignored) */ + MD_EXCEPTION_CODE_SOL_SIGBUS = 10, /* bus error */ + MD_EXCEPTION_CODE_SOL_SIGSEGV = 11, /* segmentation violation */ + MD_EXCEPTION_CODE_SOL_SIGSYS = 12, /* bad argument to system call */ + MD_EXCEPTION_CODE_SOL_SIGPIPE = 13, /* write on a pipe with no one to read it */ + MD_EXCEPTION_CODE_SOL_SIGALRM = 14, /* alarm clock */ + MD_EXCEPTION_CODE_SOL_SIGTERM = 15, /* software termination signal from kill */ + MD_EXCEPTION_CODE_SOL_SIGUSR1 = 16, /* user defined signal 1 */ + MD_EXCEPTION_CODE_SOL_SIGUSR2 = 17, /* user defined signal 2 */ + MD_EXCEPTION_CODE_SOL_SIGCLD = 18, /* child status change */ + MD_EXCEPTION_CODE_SOL_SIGCHLD = 18, /* child status change alias (POSIX) */ + MD_EXCEPTION_CODE_SOL_SIGPWR = 19, /* power-fail restart */ + MD_EXCEPTION_CODE_SOL_SIGWINCH = 20, /* window size change */ + MD_EXCEPTION_CODE_SOL_SIGURG = 21, /* urgent socket condition */ + MD_EXCEPTION_CODE_SOL_SIGPOLL = 22, /* pollable event occurred */ + MD_EXCEPTION_CODE_SOL_SIGIO = 22, /* socket I/O possible (SIGPOLL alias) */ + MD_EXCEPTION_CODE_SOL_SIGSTOP = 23, /* stop (cannot be caught or ignored) */ + MD_EXCEPTION_CODE_SOL_SIGTSTP = 24, /* user stop requested from tty */ + MD_EXCEPTION_CODE_SOL_SIGCONT = 25, /* stopped process has been continued */ + MD_EXCEPTION_CODE_SOL_SIGTTIN = 26, /* background tty read attempted */ + MD_EXCEPTION_CODE_SOL_SIGTTOU = 27, /* background tty write attempted */ + MD_EXCEPTION_CODE_SOL_SIGVTALRM = 28, /* virtual timer expired */ + MD_EXCEPTION_CODE_SOL_SIGPROF = 29, /* profiling timer expired */ + MD_EXCEPTION_CODE_SOL_SIGXCPU = 30, /* exceeded cpu limit */ + MD_EXCEPTION_CODE_SOL_SIGXFSZ = 31, /* exceeded file size limit */ + MD_EXCEPTION_CODE_SOL_SIGWAITING = 32, /* reserved signal no longer used by threading code */ + MD_EXCEPTION_CODE_SOL_SIGLWP = 33, /* reserved signal no longer used by threading code */ + MD_EXCEPTION_CODE_SOL_SIGFREEZE = 34, /* special signal used by CPR */ + MD_EXCEPTION_CODE_SOL_SIGTHAW = 35, /* special signal used by CPR */ + MD_EXCEPTION_CODE_SOL_SIGCANCEL = 36, /* reserved signal for thread cancellation */ + MD_EXCEPTION_CODE_SOL_SIGLOST = 37, /* resource lost (eg, record-lock lost) */ + MD_EXCEPTION_CODE_SOL_SIGXRES = 38, /* resource control exceeded */ + MD_EXCEPTION_CODE_SOL_SIGJVM1 = 39, /* reserved signal for Java Virtual Machine */ + MD_EXCEPTION_CODE_SOL_SIGJVM2 = 40 /* reserved signal for Java Virtual Machine */ +} MDExceptionCodeSolaris; + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_SOLARIS_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_exception_win32.h b/google-breakpad/src/google_breakpad/common/minidump_exception_win32.h new file mode 100644 index 0000000..458a705 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_exception_win32.h @@ -0,0 +1,116 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_exception_win32.h: Definitions of exception codes for + * Win32 platform + * + * (This is C99 source, please don't corrupt it with C++.) + * + * Author: Mark Mentovai + * Split into its own file: Neal Sidhwaney */ + + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_WIN32_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_WIN32_H__ + +#include + +#include "google_breakpad/common/breakpad_types.h" + + +/* For (MDException).exception_code. These values come from WinBase.h + * and WinNT.h (names beginning with EXCEPTION_ are in WinBase.h, + * they are STATUS_ in WinNT.h). */ +typedef enum { + MD_EXCEPTION_CODE_WIN_CONTROL_C = 0x40010005, + /* DBG_CONTROL_C */ + MD_EXCEPTION_CODE_WIN_GUARD_PAGE_VIOLATION = 0x80000001, + /* EXCEPTION_GUARD_PAGE */ + MD_EXCEPTION_CODE_WIN_DATATYPE_MISALIGNMENT = 0x80000002, + /* EXCEPTION_DATATYPE_MISALIGNMENT */ + MD_EXCEPTION_CODE_WIN_BREAKPOINT = 0x80000003, + /* EXCEPTION_BREAKPOINT */ + MD_EXCEPTION_CODE_WIN_SINGLE_STEP = 0x80000004, + /* EXCEPTION_SINGLE_STEP */ + MD_EXCEPTION_CODE_WIN_ACCESS_VIOLATION = 0xc0000005, + /* EXCEPTION_ACCESS_VIOLATION */ + MD_EXCEPTION_CODE_WIN_IN_PAGE_ERROR = 0xc0000006, + /* EXCEPTION_IN_PAGE_ERROR */ + MD_EXCEPTION_CODE_WIN_INVALID_HANDLE = 0xc0000008, + /* EXCEPTION_INVALID_HANDLE */ + MD_EXCEPTION_CODE_WIN_ILLEGAL_INSTRUCTION = 0xc000001d, + /* EXCEPTION_ILLEGAL_INSTRUCTION */ + MD_EXCEPTION_CODE_WIN_NONCONTINUABLE_EXCEPTION = 0xc0000025, + /* EXCEPTION_NONCONTINUABLE_EXCEPTION */ + MD_EXCEPTION_CODE_WIN_INVALID_DISPOSITION = 0xc0000026, + /* EXCEPTION_INVALID_DISPOSITION */ + MD_EXCEPTION_CODE_WIN_ARRAY_BOUNDS_EXCEEDED = 0xc000008c, + /* EXCEPTION_BOUNDS_EXCEEDED */ + MD_EXCEPTION_CODE_WIN_FLOAT_DENORMAL_OPERAND = 0xc000008d, + /* EXCEPTION_FLT_DENORMAL_OPERAND */ + MD_EXCEPTION_CODE_WIN_FLOAT_DIVIDE_BY_ZERO = 0xc000008e, + /* EXCEPTION_FLT_DIVIDE_BY_ZERO */ + MD_EXCEPTION_CODE_WIN_FLOAT_INEXACT_RESULT = 0xc000008f, + /* EXCEPTION_FLT_INEXACT_RESULT */ + MD_EXCEPTION_CODE_WIN_FLOAT_INVALID_OPERATION = 0xc0000090, + /* EXCEPTION_FLT_INVALID_OPERATION */ + MD_EXCEPTION_CODE_WIN_FLOAT_OVERFLOW = 0xc0000091, + /* EXCEPTION_FLT_OVERFLOW */ + MD_EXCEPTION_CODE_WIN_FLOAT_STACK_CHECK = 0xc0000092, + /* EXCEPTION_FLT_STACK_CHECK */ + MD_EXCEPTION_CODE_WIN_FLOAT_UNDERFLOW = 0xc0000093, + /* EXCEPTION_FLT_UNDERFLOW */ + MD_EXCEPTION_CODE_WIN_INTEGER_DIVIDE_BY_ZERO = 0xc0000094, + /* EXCEPTION_INT_DIVIDE_BY_ZERO */ + MD_EXCEPTION_CODE_WIN_INTEGER_OVERFLOW = 0xc0000095, + /* EXCEPTION_INT_OVERFLOW */ + MD_EXCEPTION_CODE_WIN_PRIVILEGED_INSTRUCTION = 0xc0000096, + /* EXCEPTION_PRIV_INSTRUCTION */ + MD_EXCEPTION_CODE_WIN_STACK_OVERFLOW = 0xc00000fd, + /* EXCEPTION_STACK_OVERFLOW */ + MD_EXCEPTION_CODE_WIN_POSSIBLE_DEADLOCK = 0xc0000194, + /* EXCEPTION_POSSIBLE_DEADLOCK */ + MD_EXCEPTION_CODE_WIN_STACK_BUFFER_OVERRUN = 0xc0000409, + /* STATUS_STACK_BUFFER_OVERRUN */ + MD_EXCEPTION_CODE_WIN_HEAP_CORRUPTION = 0xc0000374, + /* STATUS_HEAP_CORRUPTION */ + MD_EXCEPTION_CODE_WIN_UNHANDLED_CPP_EXCEPTION = 0xe06d7363 + /* Per http://support.microsoft.com/kb/185294, + generated by Visual C++ compiler */ +} MDExceptionCodeWin; + +// These constants are defined in the MSDN documentation of +// the EXCEPTION_RECORD structure. +typedef enum { + MD_ACCESS_VIOLATION_WIN_READ = 0, + MD_ACCESS_VIOLATION_WIN_WRITE = 1, + MD_ACCESS_VIOLATION_WIN_EXEC = 8 +} MDAccessViolationTypeWin; + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_WIN32_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_format.h b/google-breakpad/src/google_breakpad/common/minidump_format.h new file mode 100644 index 0000000..8c47e64 --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_format.h @@ -0,0 +1,854 @@ +/* Copyright (c) 2006, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* minidump_format.h: A cross-platform reimplementation of minidump-related + * portions of DbgHelp.h from the Windows Platform SDK. + * + * (This is C99 source, please don't corrupt it with C++.) + * + * Structures that are defined by Microsoft to contain a zero-length array + * are instead defined here to contain an array with one element, as + * zero-length arrays are forbidden by standard C and C++. In these cases, + * *_minsize constants are provided to be used in place of sizeof. For a + * cleaner interface to these sizes when using C++, see minidump_size.h. + * + * These structures are also sufficient to populate minidump files. + * + * These definitions may be extended to support handling minidump files + * for other CPUs and other operating systems. + * + * Because precise data type sizes are crucial for this implementation to + * function properly and portably in terms of interoperability with minidumps + * produced by DbgHelp on Windows, a set of primitive types with known sizes + * are used as the basis of each structure defined by this file. DbgHelp + * on Windows is assumed to be the reference implementation; this file + * seeks to provide a cross-platform compatible implementation. To avoid + * collisions with the types and values defined and used by DbgHelp in the + * event that this implementation is used on Windows, each type and value + * defined here is given a new name, beginning with "MD". Names of the + * equivalent types and values in the Windows Platform SDK are given in + * comments. + * + * Author: Mark Mentovai */ + + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_FORMAT_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_FORMAT_H__ + +#include + +#include "google_breakpad/common/breakpad_types.h" + + +#if defined(_MSC_VER) +/* Disable "zero-sized array in struct/union" warnings when compiling in + * MSVC. DbgHelp.h does this too. */ +#pragma warning(push) +#pragma warning(disable:4200) +#endif /* _MSC_VER */ + + +/* + * guiddef.h + */ + +typedef struct { + uint32_t data1; + uint16_t data2; + uint16_t data3; + uint8_t data4[8]; +} MDGUID; /* GUID */ + + +/* + * WinNT.h + */ + +/* Non-x86 CPU identifiers found in the high 24 bits of + * (MDRawContext*).context_flags. These aren't used by Breakpad, but are + * defined here for reference, to avoid assigning values that conflict + * (although some values already conflict). */ +#define MD_CONTEXT_IA64 0x00080000 /* CONTEXT_IA64 */ +/* Additional values from winnt.h in the Windows CE 5.0 SDK: */ +#define MD_CONTEXT_SHX 0x000000c0 /* CONTEXT_SH4 (Super-H, includes SH3) */ +#define MD_CONTEXT_MIPS 0x00010000 /* CONTEXT_R4000 (same value as x86?) */ +#define MD_CONTEXT_ALPHA 0x00020000 /* CONTEXT_ALPHA */ + +/* As of Windows 7 SP1, the number of flag bits has increased to + * include 0x40 (CONTEXT_XSTATE): + * http://msdn.microsoft.com/en-us/library/hh134238%28v=vs.85%29.aspx */ +#define MD_CONTEXT_CPU_MASK 0xffffff00 + + +/* This is a base type for MDRawContextX86 and MDRawContextPPC. This + * structure should never be allocated directly. The actual structure type + * can be determined by examining the context_flags field. */ +typedef struct { + uint32_t context_flags; +} MDRawContextBase; + +#include "minidump_cpu_amd64.h" +#include "minidump_cpu_arm.h" +#include "minidump_cpu_ppc.h" +#include "minidump_cpu_ppc64.h" +#include "minidump_cpu_sparc.h" +#include "minidump_cpu_x86.h" + +/* + * WinVer.h + */ + + +typedef struct { + uint32_t signature; + uint32_t struct_version; + uint32_t file_version_hi; + uint32_t file_version_lo; + uint32_t product_version_hi; + uint32_t product_version_lo; + uint32_t file_flags_mask; /* Identifies valid bits in fileFlags */ + uint32_t file_flags; + uint32_t file_os; + uint32_t file_type; + uint32_t file_subtype; + uint32_t file_date_hi; + uint32_t file_date_lo; +} MDVSFixedFileInfo; /* VS_FIXEDFILEINFO */ + +/* For (MDVSFixedFileInfo).signature */ +#define MD_VSFIXEDFILEINFO_SIGNATURE 0xfeef04bd + /* VS_FFI_SIGNATURE */ + +/* For (MDVSFixedFileInfo).version */ +#define MD_VSFIXEDFILEINFO_VERSION 0x00010000 + /* VS_FFI_STRUCVERSION */ + +/* For (MDVSFixedFileInfo).file_flags_mask and + * (MDVSFixedFileInfo).file_flags */ +#define MD_VSFIXEDFILEINFO_FILE_FLAGS_DEBUG 0x00000001 + /* VS_FF_DEBUG */ +#define MD_VSFIXEDFILEINFO_FILE_FLAGS_PRERELEASE 0x00000002 + /* VS_FF_PRERELEASE */ +#define MD_VSFIXEDFILEINFO_FILE_FLAGS_PATCHED 0x00000004 + /* VS_FF_PATCHED */ +#define MD_VSFIXEDFILEINFO_FILE_FLAGS_PRIVATEBUILD 0x00000008 + /* VS_FF_PRIVATEBUILD */ +#define MD_VSFIXEDFILEINFO_FILE_FLAGS_INFOINFERRED 0x00000010 + /* VS_FF_INFOINFERRED */ +#define MD_VSFIXEDFILEINFO_FILE_FLAGS_SPECIALBUILD 0x00000020 + /* VS_FF_SPECIALBUILD */ + +/* For (MDVSFixedFileInfo).file_os: high 16 bits */ +#define MD_VSFIXEDFILEINFO_FILE_OS_UNKNOWN 0 /* VOS_UNKNOWN */ +#define MD_VSFIXEDFILEINFO_FILE_OS_DOS (1 << 16) /* VOS_DOS */ +#define MD_VSFIXEDFILEINFO_FILE_OS_OS216 (2 << 16) /* VOS_OS216 */ +#define MD_VSFIXEDFILEINFO_FILE_OS_OS232 (3 << 16) /* VOS_OS232 */ +#define MD_VSFIXEDFILEINFO_FILE_OS_NT (4 << 16) /* VOS_NT */ +#define MD_VSFIXEDFILEINFO_FILE_OS_WINCE (5 << 16) /* VOS_WINCE */ +/* Low 16 bits */ +#define MD_VSFIXEDFILEINFO_FILE_OS__BASE 0 /* VOS__BASE */ +#define MD_VSFIXEDFILEINFO_FILE_OS__WINDOWS16 1 /* VOS__WINDOWS16 */ +#define MD_VSFIXEDFILEINFO_FILE_OS__PM16 2 /* VOS__PM16 */ +#define MD_VSFIXEDFILEINFO_FILE_OS__PM32 3 /* VOS__PM32 */ +#define MD_VSFIXEDFILEINFO_FILE_OS__WINDOWS32 4 /* VOS__WINDOWS32 */ + +/* For (MDVSFixedFileInfo).file_type */ +#define MD_VSFIXEDFILEINFO_FILE_TYPE_UNKNOWN 0 /* VFT_UNKNOWN */ +#define MD_VSFIXEDFILEINFO_FILE_TYPE_APP 1 /* VFT_APP */ +#define MD_VSFIXEDFILEINFO_FILE_TYPE_DLL 2 /* VFT_DLL */ +#define MD_VSFIXEDFILEINFO_FILE_TYPE_DRV 3 /* VFT_DLL */ +#define MD_VSFIXEDFILEINFO_FILE_TYPE_FONT 4 /* VFT_FONT */ +#define MD_VSFIXEDFILEINFO_FILE_TYPE_VXD 5 /* VFT_VXD */ +#define MD_VSFIXEDFILEINFO_FILE_TYPE_STATIC_LIB 7 /* VFT_STATIC_LIB */ + +/* For (MDVSFixedFileInfo).file_subtype */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_UNKNOWN 0 + /* VFT2_UNKNOWN */ +/* with file_type = MD_VSFIXEDFILEINFO_FILETYPE_DRV */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_PRINTER 1 + /* VFT2_DRV_PRINTER */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_KEYBOARD 2 + /* VFT2_DRV_KEYBOARD */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_LANGUAGE 3 + /* VFT2_DRV_LANGUAGE */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_DISPLAY 4 + /* VFT2_DRV_DISPLAY */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_MOUSE 5 + /* VFT2_DRV_MOUSE */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_NETWORK 6 + /* VFT2_DRV_NETWORK */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_SYSTEM 7 + /* VFT2_DRV_SYSTEM */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_INSTALLABLE 8 + /* VFT2_DRV_INSTALLABLE */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_SOUND 9 + /* VFT2_DRV_SOUND */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_COMM 10 + /* VFT2_DRV_COMM */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_INPUTMETHOD 11 + /* VFT2_DRV_INPUTMETHOD */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_DRV_VERSIONED_PRINTER 12 + /* VFT2_DRV_VERSIONED_PRINTER */ +/* with file_type = MD_VSFIXEDFILEINFO_FILETYPE_FONT */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_FONT_RASTER 1 + /* VFT2_FONT_RASTER */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_FONT_VECTOR 2 + /* VFT2_FONT_VECTOR */ +#define MD_VSFIXEDFILEINFO_FILE_SUBTYPE_FONT_TRUETYPE 3 + /* VFT2_FONT_TRUETYPE */ + + +/* + * DbgHelp.h + */ + + +/* An MDRVA is an offset into the minidump file. The beginning of the + * MDRawHeader is at offset 0. */ +typedef uint32_t MDRVA; /* RVA */ + +typedef struct { + uint32_t data_size; + MDRVA rva; +} MDLocationDescriptor; /* MINIDUMP_LOCATION_DESCRIPTOR */ + + +typedef struct { + /* The base address of the memory range on the host that produced the + * minidump. */ + uint64_t start_of_memory_range; + + MDLocationDescriptor memory; +} MDMemoryDescriptor; /* MINIDUMP_MEMORY_DESCRIPTOR */ + + +typedef struct { + uint32_t signature; + uint32_t version; + uint32_t stream_count; + MDRVA stream_directory_rva; /* A |stream_count|-sized array of + * MDRawDirectory structures. */ + uint32_t checksum; /* Can be 0. In fact, that's all that's + * been found in minidump files. */ + uint32_t time_date_stamp; /* time_t */ + uint64_t flags; +} MDRawHeader; /* MINIDUMP_HEADER */ + +/* For (MDRawHeader).signature and (MDRawHeader).version. Note that only the + * low 16 bits of (MDRawHeader).version are MD_HEADER_VERSION. Per the + * documentation, the high 16 bits are implementation-specific. */ +#define MD_HEADER_SIGNATURE 0x504d444d /* 'PMDM' */ + /* MINIDUMP_SIGNATURE */ +#define MD_HEADER_VERSION 0x0000a793 /* 42899 */ + /* MINIDUMP_VERSION */ + +/* For (MDRawHeader).flags: */ +typedef enum { + /* MD_NORMAL is the standard type of minidump. It includes full + * streams for the thread list, module list, exception, system info, + * and miscellaneous info. A memory list stream is also present, + * pointing to the same stack memory contained in the thread list, + * as well as a 256-byte region around the instruction address that + * was executing when the exception occurred. Stack memory is from + * 4 bytes below a thread's stack pointer up to the top of the + * memory region encompassing the stack. */ + MD_NORMAL = 0x00000000, + MD_WITH_DATA_SEGS = 0x00000001, + MD_WITH_FULL_MEMORY = 0x00000002, + MD_WITH_HANDLE_DATA = 0x00000004, + MD_FILTER_MEMORY = 0x00000008, + MD_SCAN_MEMORY = 0x00000010, + MD_WITH_UNLOADED_MODULES = 0x00000020, + MD_WITH_INDIRECTLY_REFERENCED_MEMORY = 0x00000040, + MD_FILTER_MODULE_PATHS = 0x00000080, + MD_WITH_PROCESS_THREAD_DATA = 0x00000100, + MD_WITH_PRIVATE_READ_WRITE_MEMORY = 0x00000200, + MD_WITHOUT_OPTIONAL_DATA = 0x00000400, + MD_WITH_FULL_MEMORY_INFO = 0x00000800, + MD_WITH_THREAD_INFO = 0x00001000, + MD_WITH_CODE_SEGS = 0x00002000, + MD_WITHOUT_AUXILLIARY_SEGS = 0x00004000, + MD_WITH_FULL_AUXILLIARY_STATE = 0x00008000, + MD_WITH_PRIVATE_WRITE_COPY_MEMORY = 0x00010000, + MD_IGNORE_INACCESSIBLE_MEMORY = 0x00020000, + MD_WITH_TOKEN_INFORMATION = 0x00040000 +} MDType; /* MINIDUMP_TYPE */ + + +typedef struct { + uint32_t stream_type; + MDLocationDescriptor location; +} MDRawDirectory; /* MINIDUMP_DIRECTORY */ + +/* For (MDRawDirectory).stream_type */ +typedef enum { + MD_UNUSED_STREAM = 0, + MD_RESERVED_STREAM_0 = 1, + MD_RESERVED_STREAM_1 = 2, + MD_THREAD_LIST_STREAM = 3, /* MDRawThreadList */ + MD_MODULE_LIST_STREAM = 4, /* MDRawModuleList */ + MD_MEMORY_LIST_STREAM = 5, /* MDRawMemoryList */ + MD_EXCEPTION_STREAM = 6, /* MDRawExceptionStream */ + MD_SYSTEM_INFO_STREAM = 7, /* MDRawSystemInfo */ + MD_THREAD_EX_LIST_STREAM = 8, + MD_MEMORY_64_LIST_STREAM = 9, + MD_COMMENT_STREAM_A = 10, + MD_COMMENT_STREAM_W = 11, + MD_HANDLE_DATA_STREAM = 12, + MD_FUNCTION_TABLE_STREAM = 13, + MD_UNLOADED_MODULE_LIST_STREAM = 14, + MD_MISC_INFO_STREAM = 15, /* MDRawMiscInfo */ + MD_MEMORY_INFO_LIST_STREAM = 16, /* MDRawMemoryInfoList */ + MD_THREAD_INFO_LIST_STREAM = 17, + MD_HANDLE_OPERATION_LIST_STREAM = 18, + MD_LAST_RESERVED_STREAM = 0x0000ffff, + + /* Breakpad extension types. 0x4767 = "Gg" */ + MD_BREAKPAD_INFO_STREAM = 0x47670001, /* MDRawBreakpadInfo */ + MD_ASSERTION_INFO_STREAM = 0x47670002, /* MDRawAssertionInfo */ + /* These are additional minidump stream values which are specific to + * the linux breakpad implementation. */ + MD_LINUX_CPU_INFO = 0x47670003, /* /proc/cpuinfo */ + MD_LINUX_PROC_STATUS = 0x47670004, /* /proc/$x/status */ + MD_LINUX_LSB_RELEASE = 0x47670005, /* /etc/lsb-release */ + MD_LINUX_CMD_LINE = 0x47670006, /* /proc/$x/cmdline */ + MD_LINUX_ENVIRON = 0x47670007, /* /proc/$x/environ */ + MD_LINUX_AUXV = 0x47670008, /* /proc/$x/auxv */ + MD_LINUX_MAPS = 0x47670009, /* /proc/$x/maps */ + MD_LINUX_DSO_DEBUG = 0x4767000A /* MDRawDebug */ +} MDStreamType; /* MINIDUMP_STREAM_TYPE */ + + +typedef struct { + uint32_t length; /* Length of buffer in bytes (not characters), + * excluding 0-terminator */ + uint16_t buffer[1]; /* UTF-16-encoded, 0-terminated */ +} MDString; /* MINIDUMP_STRING */ + +static const size_t MDString_minsize = offsetof(MDString, buffer[0]); + + +typedef struct { + uint32_t thread_id; + uint32_t suspend_count; + uint32_t priority_class; + uint32_t priority; + uint64_t teb; /* Thread environment block */ + MDMemoryDescriptor stack; + MDLocationDescriptor thread_context; /* MDRawContext[CPU] */ +} MDRawThread; /* MINIDUMP_THREAD */ + + +typedef struct { + uint32_t number_of_threads; + MDRawThread threads[1]; +} MDRawThreadList; /* MINIDUMP_THREAD_LIST */ + +static const size_t MDRawThreadList_minsize = offsetof(MDRawThreadList, + threads[0]); + + +typedef struct { + uint64_t base_of_image; + uint32_t size_of_image; + uint32_t checksum; /* 0 if unknown */ + uint32_t time_date_stamp; /* time_t */ + MDRVA module_name_rva; /* MDString, pathname or filename */ + MDVSFixedFileInfo version_info; + + /* The next field stores a CodeView record and is populated when a module's + * debug information resides in a PDB file. It identifies the PDB file. */ + MDLocationDescriptor cv_record; + + /* The next field is populated when a module's debug information resides + * in a DBG file. It identifies the DBG file. This field is effectively + * obsolete with modules built by recent toolchains. */ + MDLocationDescriptor misc_record; + + /* Alignment problem: reserved0 and reserved1 are defined by the platform + * SDK as 64-bit quantities. However, that results in a structure whose + * alignment is unpredictable on different CPUs and ABIs. If the ABI + * specifies full alignment of 64-bit quantities in structures (as ppc + * does), there will be padding between miscRecord and reserved0. If + * 64-bit quantities can be aligned on 32-bit boundaries (as on x86), + * this padding will not exist. (Note that the structure up to this point + * contains 1 64-bit member followed by 21 32-bit members.) + * As a workaround, reserved0 and reserved1 are instead defined here as + * four 32-bit quantities. This should be harmless, as there are + * currently no known uses for these fields. */ + uint32_t reserved0[2]; + uint32_t reserved1[2]; +} MDRawModule; /* MINIDUMP_MODULE */ + +/* The inclusion of a 64-bit type in MINIDUMP_MODULE forces the struct to + * be tail-padded out to a multiple of 64 bits under some ABIs (such as PPC). + * This doesn't occur on systems that don't tail-pad in this manner. Define + * this macro to be the usable size of the MDRawModule struct, and use it in + * place of sizeof(MDRawModule). */ +#define MD_MODULE_SIZE 108 + + +/* (MDRawModule).cv_record can reference MDCVInfoPDB20 or MDCVInfoPDB70. + * Ref.: http://www.debuginfo.com/articles/debuginfomatch.html + * MDCVInfoPDB70 is the expected structure type with recent toolchains. */ + +typedef struct { + uint32_t signature; + uint32_t offset; /* Offset to debug data (expect 0 in minidump) */ +} MDCVHeader; + +typedef struct { + MDCVHeader cv_header; + uint32_t signature; /* time_t debug information created */ + uint32_t age; /* revision of PDB file */ + uint8_t pdb_file_name[1]; /* Pathname or filename of PDB file */ +} MDCVInfoPDB20; + +static const size_t MDCVInfoPDB20_minsize = offsetof(MDCVInfoPDB20, + pdb_file_name[0]); + +#define MD_CVINFOPDB20_SIGNATURE 0x3031424e /* cvHeader.signature = '01BN' */ + +typedef struct { + uint32_t cv_signature; + MDGUID signature; /* GUID, identifies PDB file */ + uint32_t age; /* Identifies incremental changes to PDB file */ + uint8_t pdb_file_name[1]; /* Pathname or filename of PDB file, + * 0-terminated 8-bit character data (UTF-8?) */ +} MDCVInfoPDB70; + +static const size_t MDCVInfoPDB70_minsize = offsetof(MDCVInfoPDB70, + pdb_file_name[0]); + +#define MD_CVINFOPDB70_SIGNATURE 0x53445352 /* cvSignature = 'SDSR' */ + +typedef struct { + uint32_t data1[2]; + uint32_t data2; + uint32_t data3; + uint32_t data4; + uint32_t data5[3]; + uint8_t extra[2]; +} MDCVInfoELF; + +/* In addition to the two CodeView record formats above, used for linking + * to external pdb files, it is possible for debugging data to be carried + * directly in the CodeView record itself. These signature values will + * be found in the first 4 bytes of the CodeView record. Additional values + * not commonly experienced in the wild are given by "Microsoft Symbol and + * Type Information", http://www.x86.org/ftp/manuals/tools/sym.pdf, section + * 7.2. An in-depth description of the CodeView 4.1 format is given by + * "Undocumented Windows 2000 Secrets", Windows 2000 Debugging Support/ + * Microsoft Symbol File Internals/CodeView Subsections, + * http://www.rawol.com/features/undocumented/sbs-w2k-1-windows-2000-debugging-support.pdf + */ +#define MD_CVINFOCV41_SIGNATURE 0x3930424e /* '90BN', CodeView 4.10. */ +#define MD_CVINFOCV50_SIGNATURE 0x3131424e /* '11BN', CodeView 5.0, + * MS C7-format (/Z7). */ + +#define MD_CVINFOUNKNOWN_SIGNATURE 0xffffffff /* An unlikely value. */ + +/* (MDRawModule).miscRecord can reference MDImageDebugMisc. The Windows + * structure is actually defined in WinNT.h. This structure is effectively + * obsolete with modules built by recent toolchains. */ + +typedef struct { + uint32_t data_type; /* IMAGE_DEBUG_TYPE_*, not defined here because + * this debug record type is mostly obsolete. */ + uint32_t length; /* Length of entire MDImageDebugMisc structure */ + uint8_t unicode; /* True if data is multibyte */ + uint8_t reserved[3]; + uint8_t data[1]; +} MDImageDebugMisc; /* IMAGE_DEBUG_MISC */ + +static const size_t MDImageDebugMisc_minsize = offsetof(MDImageDebugMisc, + data[0]); + + +typedef struct { + uint32_t number_of_modules; + MDRawModule modules[1]; +} MDRawModuleList; /* MINIDUMP_MODULE_LIST */ + +static const size_t MDRawModuleList_minsize = offsetof(MDRawModuleList, + modules[0]); + + +typedef struct { + uint32_t number_of_memory_ranges; + MDMemoryDescriptor memory_ranges[1]; +} MDRawMemoryList; /* MINIDUMP_MEMORY_LIST */ + +static const size_t MDRawMemoryList_minsize = offsetof(MDRawMemoryList, + memory_ranges[0]); + + +#define MD_EXCEPTION_MAXIMUM_PARAMETERS 15 + +typedef struct { + uint32_t exception_code; /* Windows: MDExceptionCodeWin, + * Mac OS X: MDExceptionMac, + * Linux: MDExceptionCodeLinux. */ + uint32_t exception_flags; /* Windows: 1 if noncontinuable, + Mac OS X: MDExceptionCodeMac. */ + uint64_t exception_record; /* Address (in the minidump-producing host's + * memory) of another MDException, for + * nested exceptions. */ + uint64_t exception_address; /* The address that caused the exception. + * Mac OS X: exception subcode (which is + * typically the address). */ + uint32_t number_parameters; /* Number of valid elements in + * exception_information. */ + uint32_t __align; + uint64_t exception_information[MD_EXCEPTION_MAXIMUM_PARAMETERS]; +} MDException; /* MINIDUMP_EXCEPTION */ + +#include "minidump_exception_linux.h" +#include "minidump_exception_mac.h" +#include "minidump_exception_ps3.h" +#include "minidump_exception_solaris.h" +#include "minidump_exception_win32.h" + +typedef struct { + uint32_t thread_id; /* Thread in which the exception + * occurred. Corresponds to + * (MDRawThread).thread_id. */ + uint32_t __align; + MDException exception_record; + MDLocationDescriptor thread_context; /* MDRawContext[CPU] */ +} MDRawExceptionStream; /* MINIDUMP_EXCEPTION_STREAM */ + + +typedef union { + struct { + uint32_t vendor_id[3]; /* cpuid 0: ebx, edx, ecx */ + uint32_t version_information; /* cpuid 1: eax */ + uint32_t feature_information; /* cpuid 1: edx */ + uint32_t amd_extended_cpu_features; /* cpuid 0x80000001, ebx */ + } x86_cpu_info; + struct { + uint32_t cpuid; + uint32_t elf_hwcaps; /* linux specific, 0 otherwise */ + } arm_cpu_info; + struct { + uint64_t processor_features[2]; + } other_cpu_info; +} MDCPUInformation; /* CPU_INFORMATION */ + +/* For (MDCPUInformation).arm_cpu_info.elf_hwcaps. + * This matches the Linux kernel definitions from */ +typedef enum { + MD_CPU_ARM_ELF_HWCAP_SWP = (1 << 0), + MD_CPU_ARM_ELF_HWCAP_HALF = (1 << 1), + MD_CPU_ARM_ELF_HWCAP_THUMB = (1 << 2), + MD_CPU_ARM_ELF_HWCAP_26BIT = (1 << 3), + MD_CPU_ARM_ELF_HWCAP_FAST_MULT = (1 << 4), + MD_CPU_ARM_ELF_HWCAP_FPA = (1 << 5), + MD_CPU_ARM_ELF_HWCAP_VFP = (1 << 6), + MD_CPU_ARM_ELF_HWCAP_EDSP = (1 << 7), + MD_CPU_ARM_ELF_HWCAP_JAVA = (1 << 8), + MD_CPU_ARM_ELF_HWCAP_IWMMXT = (1 << 9), + MD_CPU_ARM_ELF_HWCAP_CRUNCH = (1 << 10), + MD_CPU_ARM_ELF_HWCAP_THUMBEE = (1 << 11), + MD_CPU_ARM_ELF_HWCAP_NEON = (1 << 12), + MD_CPU_ARM_ELF_HWCAP_VFPv3 = (1 << 13), + MD_CPU_ARM_ELF_HWCAP_VFPv3D16 = (1 << 14), + MD_CPU_ARM_ELF_HWCAP_TLS = (1 << 15), + MD_CPU_ARM_ELF_HWCAP_VFPv4 = (1 << 16), + MD_CPU_ARM_ELF_HWCAP_IDIVA = (1 << 17), + MD_CPU_ARM_ELF_HWCAP_IDIVT = (1 << 18), +} MDCPUInformationARMElfHwCaps; + +typedef struct { + /* The next 3 fields and numberOfProcessors are from the SYSTEM_INFO + * structure as returned by GetSystemInfo */ + uint16_t processor_architecture; + uint16_t processor_level; /* x86: 5 = 586, 6 = 686, ... */ + /* ARM: 6 = ARMv6, 7 = ARMv7 ... */ + uint16_t processor_revision; /* x86: 0xMMSS, where MM=model, + * SS=stepping */ + /* ARM: 0 */ + + uint8_t number_of_processors; + uint8_t product_type; /* Windows: VER_NT_* from WinNT.h */ + + /* The next 5 fields are from the OSVERSIONINFO structure as returned + * by GetVersionEx */ + uint32_t major_version; + uint32_t minor_version; + uint32_t build_number; + uint32_t platform_id; + MDRVA csd_version_rva; /* MDString further identifying the + * host OS. + * Windows: name of the installed OS + * service pack. + * Mac OS X: the Apple OS build number + * (sw_vers -buildVersion). + * Linux: uname -srvmo */ + + uint16_t suite_mask; /* Windows: VER_SUITE_* from WinNT.h */ + uint16_t reserved2; + + MDCPUInformation cpu; +} MDRawSystemInfo; /* MINIDUMP_SYSTEM_INFO */ + +/* For (MDRawSystemInfo).processor_architecture: */ +typedef enum { + MD_CPU_ARCHITECTURE_X86 = 0, /* PROCESSOR_ARCHITECTURE_INTEL */ + MD_CPU_ARCHITECTURE_MIPS = 1, /* PROCESSOR_ARCHITECTURE_MIPS */ + MD_CPU_ARCHITECTURE_ALPHA = 2, /* PROCESSOR_ARCHITECTURE_ALPHA */ + MD_CPU_ARCHITECTURE_PPC = 3, /* PROCESSOR_ARCHITECTURE_PPC */ + MD_CPU_ARCHITECTURE_SHX = 4, /* PROCESSOR_ARCHITECTURE_SHX + * (Super-H) */ + MD_CPU_ARCHITECTURE_ARM = 5, /* PROCESSOR_ARCHITECTURE_ARM */ + MD_CPU_ARCHITECTURE_IA64 = 6, /* PROCESSOR_ARCHITECTURE_IA64 */ + MD_CPU_ARCHITECTURE_ALPHA64 = 7, /* PROCESSOR_ARCHITECTURE_ALPHA64 */ + MD_CPU_ARCHITECTURE_MSIL = 8, /* PROCESSOR_ARCHITECTURE_MSIL + * (Microsoft Intermediate Language) */ + MD_CPU_ARCHITECTURE_AMD64 = 9, /* PROCESSOR_ARCHITECTURE_AMD64 */ + MD_CPU_ARCHITECTURE_X86_WIN64 = 10, + /* PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 (WoW64) */ + MD_CPU_ARCHITECTURE_SPARC = 0x8001, /* Breakpad-defined value for SPARC */ + MD_CPU_ARCHITECTURE_PPC64 = 0x8002, /* Breakpad-defined value for PPC64 */ + MD_CPU_ARCHITECTURE_UNKNOWN = 0xffff /* PROCESSOR_ARCHITECTURE_UNKNOWN */ +} MDCPUArchitecture; + +/* For (MDRawSystemInfo).platform_id: */ +typedef enum { + MD_OS_WIN32S = 0, /* VER_PLATFORM_WIN32s (Windows 3.1) */ + MD_OS_WIN32_WINDOWS = 1, /* VER_PLATFORM_WIN32_WINDOWS (Windows 95-98-Me) */ + MD_OS_WIN32_NT = 2, /* VER_PLATFORM_WIN32_NT (Windows NT, 2000+) */ + MD_OS_WIN32_CE = 3, /* VER_PLATFORM_WIN32_CE, VER_PLATFORM_WIN32_HH + * (Windows CE, Windows Mobile, "Handheld") */ + + /* The following values are Breakpad-defined. */ + MD_OS_UNIX = 0x8000, /* Generic Unix-ish */ + MD_OS_MAC_OS_X = 0x8101, /* Mac OS X/Darwin */ + MD_OS_IOS = 0x8102, /* iOS */ + MD_OS_LINUX = 0x8201, /* Linux */ + MD_OS_SOLARIS = 0x8202, /* Solaris */ + MD_OS_ANDROID = 0x8203, /* Android */ + MD_OS_PS3 = 0x8204, /* PS3 */ + MD_OS_NACL = 0x8205 /* Native Client (NaCl) */ +} MDOSPlatform; + +typedef struct { + uint32_t size_of_info; /* Length of entire MDRawMiscInfo structure. */ + uint32_t flags1; + + /* The next field is only valid if flags1 contains + * MD_MISCINFO_FLAGS1_PROCESS_ID. */ + uint32_t process_id; + + /* The next 3 fields are only valid if flags1 contains + * MD_MISCINFO_FLAGS1_PROCESS_TIMES. */ + uint32_t process_create_time; /* time_t process started */ + uint32_t process_user_time; /* seconds of user CPU time */ + uint32_t process_kernel_time; /* seconds of kernel CPU time */ + + /* The following fields are not present in MINIDUMP_MISC_INFO but are + * in MINIDUMP_MISC_INFO_2. When this struct is populated, these values + * may not be set. Use flags1 or sizeOfInfo to determine whether these + * values are present. These are only valid when flags1 contains + * MD_MISCINFO_FLAGS1_PROCESSOR_POWER_INFO. */ + uint32_t processor_max_mhz; + uint32_t processor_current_mhz; + uint32_t processor_mhz_limit; + uint32_t processor_max_idle_state; + uint32_t processor_current_idle_state; +} MDRawMiscInfo; /* MINIDUMP_MISC_INFO, MINIDUMP_MISC_INFO2 */ + +#define MD_MISCINFO_SIZE 24 +#define MD_MISCINFO2_SIZE 44 + +/* For (MDRawMiscInfo).flags1. These values indicate which fields in the + * MDRawMiscInfoStructure are valid. */ +typedef enum { + MD_MISCINFO_FLAGS1_PROCESS_ID = 0x00000001, + /* MINIDUMP_MISC1_PROCESS_ID */ + MD_MISCINFO_FLAGS1_PROCESS_TIMES = 0x00000002, + /* MINIDUMP_MISC1_PROCESS_TIMES */ + MD_MISCINFO_FLAGS1_PROCESSOR_POWER_INFO = 0x00000004 + /* MINIDUMP_MISC1_PROCESSOR_POWER_INFO */ +} MDMiscInfoFlags1; + +/* + * Around DbgHelp version 6.0, the style of new LIST structures changed + * from including an array of length 1 at the end of the struct to + * represent the variable-length data to including explicit + * "size of header", "size of entry" and "number of entries" fields + * in the header, presumably to allow backwards-compatibly-extending + * the structures in the future. The actual list entries follow the + * header data directly in this case. + */ + +typedef struct { + uint32_t size_of_header; /* sizeof(MDRawMemoryInfoList) */ + uint32_t size_of_entry; /* sizeof(MDRawMemoryInfo) */ + uint64_t number_of_entries; +} MDRawMemoryInfoList; /* MINIDUMP_MEMORY_INFO_LIST */ + +typedef struct { + uint64_t base_address; /* Base address of a region of pages */ + uint64_t allocation_base; /* Base address of a range of pages + * within this region. */ + uint32_t allocation_protection; /* Memory protection when this region + * was originally allocated: + * MDMemoryProtection */ + uint32_t __alignment1; + uint64_t region_size; + uint32_t state; /* MDMemoryState */ + uint32_t protection; /* MDMemoryProtection */ + uint32_t type; /* MDMemoryType */ + uint32_t __alignment2; +} MDRawMemoryInfo; /* MINIDUMP_MEMORY_INFO */ + +/* For (MDRawMemoryInfo).state */ +typedef enum { + MD_MEMORY_STATE_COMMIT = 0x1000, /* physical storage has been allocated */ + MD_MEMORY_STATE_RESERVE = 0x2000, /* reserved, but no physical storage */ + MD_MEMORY_STATE_FREE = 0x10000 /* available to be allocated */ +} MDMemoryState; + +/* For (MDRawMemoryInfo).allocation_protection and .protection */ +typedef enum { + MD_MEMORY_PROTECT_NOACCESS = 0x01, /* PAGE_NOACCESS */ + MD_MEMORY_PROTECT_READONLY = 0x02, /* PAGE_READONLY */ + MD_MEMORY_PROTECT_READWRITE = 0x04, /* PAGE_READWRITE */ + MD_MEMORY_PROTECT_WRITECOPY = 0x08, /* PAGE_WRITECOPY */ + MD_MEMORY_PROTECT_EXECUTE = 0x10, /* PAGE_EXECUTE */ + MD_MEMORY_PROTECT_EXECUTE_READ = 0x20, /* PAGE_EXECUTE_READ */ + MD_MEMORY_PROTECT_EXECUTE_READWRITE = 0x40, /* PAGE_EXECUTE_READWRITE */ + MD_MEMORY_PROTECT_EXECUTE_WRITECOPY = 0x80, /* PAGE_EXECUTE_WRITECOPY */ + /* These options can be combined with the previous flags. */ + MD_MEMORY_PROTECT_GUARD = 0x100, /* PAGE_GUARD */ + MD_MEMORY_PROTECT_NOCACHE = 0x200, /* PAGE_NOCACHE */ + MD_MEMORY_PROTECT_WRITECOMBINE = 0x400, /* PAGE_WRITECOMBINE */ +} MDMemoryProtection; + +/* Used to mask the mutually exclusive options from the combinable flags. */ +const uint32_t MD_MEMORY_PROTECTION_ACCESS_MASK = 0xFF; + +/* For (MDRawMemoryInfo).type */ +typedef enum { + MD_MEMORY_TYPE_PRIVATE = 0x20000, /* not shared by other processes */ + MD_MEMORY_TYPE_MAPPED = 0x40000, /* mapped into the view of a section */ + MD_MEMORY_TYPE_IMAGE = 0x1000000 /* mapped into the view of an image */ +} MDMemoryType; + +/* + * Breakpad extension types + */ + + +typedef struct { + /* validity is a bitmask with values from MDBreakpadInfoValidity, indicating + * which of the other fields in the structure are valid. */ + uint32_t validity; + + /* Thread ID of the handler thread. dump_thread_id should correspond to + * the thread_id of an MDRawThread in the minidump's MDRawThreadList if + * a dedicated thread in that list was used to produce the minidump. If + * the MDRawThreadList does not contain a dedicated thread used to produce + * the minidump, this field should be set to 0 and the validity field + * must not contain MD_BREAKPAD_INFO_VALID_DUMP_THREAD_ID. */ + uint32_t dump_thread_id; + + /* Thread ID of the thread that requested the minidump be produced. As + * with dump_thread_id, requesting_thread_id should correspond to the + * thread_id of an MDRawThread in the minidump's MDRawThreadList. For + * minidumps produced as a result of an exception, requesting_thread_id + * will be the same as the MDRawExceptionStream's thread_id field. For + * minidumps produced "manually" at the program's request, + * requesting_thread_id will indicate which thread caused the dump to be + * written. If the minidump was produced at the request of something + * other than a thread in the MDRawThreadList, this field should be set + * to 0 and the validity field must not contain + * MD_BREAKPAD_INFO_VALID_REQUESTING_THREAD_ID. */ + uint32_t requesting_thread_id; +} MDRawBreakpadInfo; + +/* For (MDRawBreakpadInfo).validity: */ +typedef enum { + /* When set, the dump_thread_id field is valid. */ + MD_BREAKPAD_INFO_VALID_DUMP_THREAD_ID = 1 << 0, + + /* When set, the requesting_thread_id field is valid. */ + MD_BREAKPAD_INFO_VALID_REQUESTING_THREAD_ID = 1 << 1 +} MDBreakpadInfoValidity; + +typedef struct { + /* expression, function, and file are 0-terminated UTF-16 strings. They + * may be truncated if necessary, but should always be 0-terminated when + * written to a file. + * Fixed-length strings are used because MiniDumpWriteDump doesn't offer + * a way for user streams to point to arbitrary RVAs for strings. */ + uint16_t expression[128]; /* Assertion that failed... */ + uint16_t function[128]; /* ...within this function... */ + uint16_t file[128]; /* ...in this file... */ + uint32_t line; /* ...at this line. */ + uint32_t type; +} MDRawAssertionInfo; + +/* For (MDRawAssertionInfo).type: */ +typedef enum { + MD_ASSERTION_INFO_TYPE_UNKNOWN = 0, + + /* Used for assertions that would be raised by the MSVC CRT but are + * directed to an invalid parameter handler instead. */ + MD_ASSERTION_INFO_TYPE_INVALID_PARAMETER, + + /* Used for assertions that would be raised by the MSVC CRT but are + * directed to a pure virtual call handler instead. */ + MD_ASSERTION_INFO_TYPE_PURE_VIRTUAL_CALL +} MDAssertionInfoData; + +/* These structs are used to store the DSO debug data in Linux minidumps, + * which is necessary for converting minidumps to usable coredumps. */ +typedef struct { + void* addr; + MDRVA name; + void* ld; +} MDRawLinkMap; + +typedef struct { + uint32_t version; + MDRVA map; + uint32_t dso_count; + void* brk; + void* ldbase; + void* dynamic; +} MDRawDebug; + +#if defined(_MSC_VER) +#pragma warning(pop) +#endif /* _MSC_VER */ + + +#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_FORMAT_H__ */ diff --git a/google-breakpad/src/google_breakpad/common/minidump_size.h b/google-breakpad/src/google_breakpad/common/minidump_size.h new file mode 100644 index 0000000..918544b --- /dev/null +++ b/google-breakpad/src/google_breakpad/common/minidump_size.h @@ -0,0 +1,107 @@ +// Copyright (c) 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +// minidump_size.h: Provides a C++ template for programmatic access to +// the sizes of various types defined in minidump_format.h. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_SIZE_H__ +#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_SIZE_H__ + +#include + +#include "google_breakpad/common/minidump_format.h" + +namespace google_breakpad { + +template +class minidump_size { + public: + static size_t size() { return sizeof(T); } +}; + +// Explicit specializations for variable-length types. The size returned +// for these should be the size for an object without its variable-length +// section. + +template<> +class minidump_size { + public: + static size_t size() { return MDString_minsize; } +}; + +template<> +class minidump_size { + public: + static size_t size() { return MDRawThreadList_minsize; } +}; + +template<> +class minidump_size { + public: + static size_t size() { return MDCVInfoPDB20_minsize; } +}; + +template<> +class minidump_size { + public: + static size_t size() { return MDCVInfoPDB70_minsize; } +}; + +template<> +class minidump_size { + public: + static size_t size() { return MDImageDebugMisc_minsize; } +}; + +template<> +class minidump_size { + public: + static size_t size() { return MDRawModuleList_minsize; } +}; + +template<> +class minidump_size { + public: + static size_t size() { return MDRawMemoryList_minsize; } +}; + +// Explicit specialization for MDRawModule, for which sizeof may include +// tail-padding on some architectures but not others. + +template<> +class minidump_size { + public: + static size_t size() { return MD_MODULE_SIZE; } +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_COMMON_MINIDUMP_SIZE_H__ diff --git a/google-breakpad/src/google_breakpad/processor/basic_source_line_resolver.h b/google-breakpad/src/google_breakpad/processor/basic_source_line_resolver.h new file mode 100644 index 0000000..8bda578 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/basic_source_line_resolver.h @@ -0,0 +1,85 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// basic_source_line_resolver.h: BasicSourceLineResolver is derived from +// SourceLineResolverBase, and is a concrete implementation of +// SourceLineResolverInterface, using address map files produced by a +// compatible writer, e.g. PDBSourceLineWriter. +// +// see "processor/source_line_resolver_base.h" +// and "source_line_resolver_interface.h" for more documentation. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_BASIC_SOURCE_LINE_RESOLVER_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_BASIC_SOURCE_LINE_RESOLVER_H__ + +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/processor/source_line_resolver_base.h" + +namespace google_breakpad { + +using std::map; + +class BasicSourceLineResolver : public SourceLineResolverBase { + public: + BasicSourceLineResolver(); + virtual ~BasicSourceLineResolver() { } + + using SourceLineResolverBase::LoadModule; + using SourceLineResolverBase::LoadModuleUsingMapBuffer; + using SourceLineResolverBase::LoadModuleUsingMemoryBuffer; + using SourceLineResolverBase::ShouldDeleteMemoryBufferAfterLoadModule; + using SourceLineResolverBase::UnloadModule; + using SourceLineResolverBase::HasModule; + using SourceLineResolverBase::FillSourceLineInfo; + using SourceLineResolverBase::FindWindowsFrameInfo; + using SourceLineResolverBase::FindCFIFrameInfo; + + private: + // friend declarations: + friend class BasicModuleFactory; + friend class ModuleComparer; + friend class ModuleSerializer; + template friend class SimpleSerializer; + + // Function derives from SourceLineResolverBase::Function. + struct Function; + // Module implements SourceLineResolverBase::Module interface. + class Module; + + // Disallow unwanted copy ctor and assignment operator + BasicSourceLineResolver(const BasicSourceLineResolver&); + void operator=(const BasicSourceLineResolver&); +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_BASIC_SOURCE_LINE_RESOLVER_H__ diff --git a/google-breakpad/src/google_breakpad/processor/call_stack.h b/google-breakpad/src/google_breakpad/processor/call_stack.h new file mode 100644 index 0000000..21f595e --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/call_stack.h @@ -0,0 +1,77 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// call_stack.h: A call stack comprised of stack frames. +// +// This class manages a vector of stack frames. It is used instead of +// exposing the vector directly to allow the CallStack to own StackFrame +// pointers without having to publicly export the linked_ptr class. A +// CallStack must be composed of pointers instead of objects to allow for +// CPU-specific StackFrame subclasses. +// +// By convention, the stack frame at index 0 is the innermost callee frame, +// and the frame at the highest index in a call stack is the outermost +// caller. CallStack only allows stacks to be built by pushing frames, +// beginning with the innermost callee frame. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_CALL_STACK_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_CALL_STACK_H__ + +#include + +namespace google_breakpad { + +using std::vector; + +struct StackFrame; +template class linked_ptr; + +class CallStack { + public: + CallStack() { Clear(); } + ~CallStack(); + + // Resets the CallStack to its initial empty state + void Clear(); + + const vector* frames() const { return &frames_; } + + private: + // Stackwalker is responsible for building the frames_ vector. + friend class Stackwalker; + + // Storage for pushed frames. + vector frames_; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCSSOR_CALL_STACK_H__ diff --git a/google-breakpad/src/google_breakpad/processor/code_module.h b/google-breakpad/src/google_breakpad/processor/code_module.h new file mode 100644 index 0000000..4e89282 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/code_module.h @@ -0,0 +1,94 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// code_module.h: Carries information about code modules that are loaded +// into a process. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULE_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULE_H__ + +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +class CodeModule { + public: + virtual ~CodeModule() {} + + // The base address of this code module as it was loaded by the process. + // (uint64_t)-1 on error. + virtual uint64_t base_address() const = 0; + + // The size of the code module. 0 on error. + virtual uint64_t size() const = 0; + + // The path or file name that the code module was loaded from. Empty on + // error. + virtual string code_file() const = 0; + + // An identifying string used to discriminate between multiple versions and + // builds of the same code module. This may contain a uuid, timestamp, + // version number, or any combination of this or other information, in an + // implementation-defined format. Empty on error. + virtual string code_identifier() const = 0; + + // The filename containing debugging information associated with the code + // module. If debugging information is stored in a file separate from the + // code module itself (as is the case when .pdb or .dSYM files are used), + // this will be different from code_file. If debugging information is + // stored in the code module itself (possibly prior to stripping), this + // will be the same as code_file. Empty on error. + virtual string debug_file() const = 0; + + // An identifying string similar to code_identifier, but identifies a + // specific version and build of the associated debug file. This may be + // the same as code_identifier when the debug_file and code_file are + // identical or when the same identifier is used to identify distinct + // debug and code files. + virtual string debug_identifier() const = 0; + + // A human-readable representation of the code module's version. Empty on + // error. + virtual string version() const = 0; + + // Creates a new copy of this CodeModule object, which the caller takes + // ownership of. The new CodeModule may be of a different concrete class + // than the CodeModule being copied, but will behave identically to the + // copied CodeModule as far as the CodeModule interface is concerned. + virtual const CodeModule* Copy() const = 0; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULE_H__ diff --git a/google-breakpad/src/google_breakpad/processor/code_modules.h b/google-breakpad/src/google_breakpad/processor/code_modules.h new file mode 100644 index 0000000..a38579a --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/code_modules.h @@ -0,0 +1,98 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// code_modules.h: Contains all of the CodeModule objects that were loaded +// into a single process. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULES_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULES_H__ + +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +class CodeModule; + +class CodeModules { + public: + virtual ~CodeModules() {} + + // The number of contained CodeModule objects. + virtual unsigned int module_count() const = 0; + + // Random access to modules. Returns the module whose code is present + // at the address indicated by |address|. If no module is present at this + // address, returns NULL. Ownership of the returned CodeModule is retained + // by the CodeModules object; pointers returned by this method are valid for + // comparison with pointers returned by the other Get methods. + virtual const CodeModule* GetModuleForAddress(uint64_t address) const = 0; + + // Returns the module corresponding to the main executable. If there is + // no main executable, returns NULL. Ownership of the returned CodeModule + // is retained by the CodeModules object; pointers returned by this method + // are valid for comparison with pointers returned by the other Get + // methods. + virtual const CodeModule* GetMainModule() const = 0; + + // Sequential access to modules. A sequence number of 0 corresponds to the + // module residing lowest in memory. If the sequence number is out of + // range, returns NULL. Ownership of the returned CodeModule is retained + // by the CodeModules object; pointers returned by this method are valid for + // comparison with pointers returned by the other Get methods. + virtual const CodeModule* GetModuleAtSequence( + unsigned int sequence) const = 0; + + // Sequential access to modules. This is similar to GetModuleAtSequence, + // except no ordering requirement is enforced. A CodeModules implementation + // may return CodeModule objects from GetModuleAtIndex in any order it + // wishes, provided that the order remain the same throughout the life of + // the CodeModules object. Typically, GetModuleAtIndex would be used by + // a caller to enumerate all CodeModule objects quickly when the enumeration + // does not require any ordering. If the index argument is out of range, + // returns NULL. Ownership of the returned CodeModule is retained by + // the CodeModules object; pointers returned by this method are valid for + // comparison with pointers returned by the other Get methods. + virtual const CodeModule* GetModuleAtIndex(unsigned int index) const = 0; + + // Creates a new copy of this CodeModules object, which the caller takes + // ownership of. The new object will also contain copies of the existing + // object's child CodeModule objects. The new CodeModules object may be of + // a different concrete class than the object being copied, but will behave + // identically to the copied object as far as the CodeModules and CodeModule + // interfaces are concerned, except that the order that GetModuleAtIndex + // returns objects in may differ between a copy and the original CodeModules + // object. + virtual const CodeModules* Copy() const = 0; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULES_H__ diff --git a/google-breakpad/src/google_breakpad/processor/exploitability.h b/google-breakpad/src/google_breakpad/processor/exploitability.h new file mode 100644 index 0000000..67255a3 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/exploitability.h @@ -0,0 +1,73 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// exploitability_engine.h: Generic exploitability engine. +// +// The Exploitability class is an abstract base class providing common +// generic methods that apply to exploitability engines for specific platforms. +// Specific implementations will extend this class by providing run +// methods to fill in the exploitability_ enumeration of the ProcessState +// for a crash. +// +// Author: Cris Neckar + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_H_ +#define GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_H_ + +#include "google_breakpad/common/breakpad_types.h" +#include "google_breakpad/processor/minidump.h" +#include "google_breakpad/processor/process_state.h" + +namespace google_breakpad { + +class Exploitability { + public: + virtual ~Exploitability() {} + + static Exploitability *ExploitabilityForPlatform(Minidump *dump, + ProcessState *process_state); + + ExploitabilityRating CheckExploitability(); + bool AddressIsAscii(uint64_t); + + protected: + Exploitability(Minidump *dump, + ProcessState *process_state); + + Minidump *dump_; + ProcessState *process_state_; + SystemInfo *system_info_; + + private: + virtual ExploitabilityRating CheckPlatformExploitability() = 0; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_H_ diff --git a/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h b/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h new file mode 100644 index 0000000..60f6dfc --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h @@ -0,0 +1,99 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// fast_source_line_resolver.h: FastSourceLineResolver is derived from +// SourceLineResolverBase, and is a concrete implementation of +// SourceLineResolverInterface. +// +// FastSourceLineResolver is a sibling class of BasicSourceLineResolver. The +// difference is FastSourceLineResolver loads a serialized memory chunk of data +// which can be used directly a Module without parsing or copying of underlying +// data. Therefore loading a symbol in FastSourceLineResolver is much faster +// and more memory-efficient than BasicSourceLineResolver. +// +// See "source_line_resolver_base.h" and +// "google_breakpad/source_line_resolver_interface.h" for more reference. +// +// Author: Siyang Xie (lambxsy@google.com) + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_FAST_SOURCE_LINE_RESOLVER_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_FAST_SOURCE_LINE_RESOLVER_H__ + +#include +#include + +#include "google_breakpad/processor/source_line_resolver_base.h" + +namespace google_breakpad { + +using std::map; + +class FastSourceLineResolver : public SourceLineResolverBase { + public: + FastSourceLineResolver(); + virtual ~FastSourceLineResolver() { } + + using SourceLineResolverBase::FillSourceLineInfo; + using SourceLineResolverBase::FindCFIFrameInfo; + using SourceLineResolverBase::FindWindowsFrameInfo; + using SourceLineResolverBase::HasModule; + using SourceLineResolverBase::LoadModule; + using SourceLineResolverBase::LoadModuleUsingMapBuffer; + using SourceLineResolverBase::LoadModuleUsingMemoryBuffer; + using SourceLineResolverBase::UnloadModule; + + private: + // Friend declarations. + friend class ModuleComparer; + friend class ModuleSerializer; + friend class FastModuleFactory; + + // Nested types that will derive from corresponding nested types defined in + // SourceLineResolverBase. + struct Line; + struct Function; + struct PublicSymbol; + class Module; + + // Deserialize raw memory data to construct a WindowsFrameInfo object. + static WindowsFrameInfo CopyWFI(const char *raw_memory); + + // FastSourceLineResolver requires the memory buffer stays alive during the + // lifetime of a corresponding module, therefore it needs to redefine this + // virtual method. + virtual bool ShouldDeleteMemoryBufferAfterLoadModule(); + + // Disallow unwanted copy ctor and assignment operator + FastSourceLineResolver(const FastSourceLineResolver&); + void operator=(const FastSourceLineResolver&); +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_FAST_SOURCE_LINE_RESOLVER_H__ diff --git a/google-breakpad/src/google_breakpad/processor/memory_region.h b/google-breakpad/src/google_breakpad/processor/memory_region.h new file mode 100644 index 0000000..bd9755f --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/memory_region.h @@ -0,0 +1,76 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// memory_region.h: Access to memory regions. +// +// A MemoryRegion provides virtual access to a range of memory. It is an +// abstraction allowing the actual source of memory to be independent of +// methods which need to access a virtual memory space. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_MEMORY_REGION_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_MEMORY_REGION_H__ + + +#include "google_breakpad/common/breakpad_types.h" + + +namespace google_breakpad { + + +class MemoryRegion { + public: + virtual ~MemoryRegion() {} + + // The base address of this memory region. + virtual uint64_t GetBase() const = 0; + + // The size of this memory region. + virtual uint32_t GetSize() const = 0; + + // Access to data of various sizes within the memory region. address + // is a pointer to read, and it must lie within the memory region as + // defined by its base address and size. The location pointed to by + // value is set to the value at address. Byte-swapping is performed + // if necessary so that the value is appropriate for the running + // program. Returns true on success. Fails and returns false if address + // is out of the region's bounds (after considering the width of value), + // or for other types of errors. + virtual bool GetMemoryAtAddress(uint64_t address, uint8_t* value) const = 0; + virtual bool GetMemoryAtAddress(uint64_t address, uint16_t* value) const = 0; + virtual bool GetMemoryAtAddress(uint64_t address, uint32_t* value) const = 0; + virtual bool GetMemoryAtAddress(uint64_t address, uint64_t* value) const = 0; +}; + + +} // namespace google_breakpad + + +#endif // GOOGLE_BREAKPAD_PROCESSOR_MEMORY_REGION_H__ diff --git a/google-breakpad/src/google_breakpad/processor/minidump.h b/google-breakpad/src/google_breakpad/processor/minidump.h new file mode 100644 index 0000000..87c0027 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/minidump.h @@ -0,0 +1,1058 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// minidump.h: A minidump reader. +// +// The basic structure of this module tracks the structure of the minidump +// file itself. At the top level, a minidump file is represented by a +// Minidump object. Like most other classes in this module, Minidump +// provides a Read method that initializes the object with information from +// the file. Most of the classes in this file are wrappers around the +// "raw" structures found in the minidump file itself, and defined in +// minidump_format.h. For example, each thread is represented by a +// MinidumpThread object, whose parameters are specified in an MDRawThread +// structure. A properly byte-swapped MDRawThread can be obtained from a +// MinidumpThread easily by calling its thread() method. +// +// Most of the module lazily reads only the portion of the minidump file +// necessary to fulfill the user's request. Calling Minidump::Read +// only reads the minidump's directory. The thread list is not read until +// it is needed, and even once it's read, the memory regions for each +// thread's stack aren't read until they're needed. This strategy avoids +// unnecessary file input, and allocating memory for data in which the user +// has no interest. Note that although memory allocations for a typical +// minidump file are not particularly large, it is possible for legitimate +// minidumps to be sizable. A full-memory minidump, for example, contains +// a snapshot of the entire mapped memory space. Even a normal minidump, +// with stack memory only, can be large if, for example, the dump was +// generated in response to a crash that occurred due to an infinite- +// recursion bug that caused the stack's limits to be exceeded. Finally, +// some users of this library will unfortunately find themselves in the +// position of having to process potentially-hostile minidumps that might +// attempt to cause problems by forcing the minidump processor to over- +// allocate memory. +// +// Memory management in this module is based on a strict +// you-don't-own-anything policy. The only object owned by the user is +// the top-level Minidump object, the creation and destruction of which +// must be the user's own responsibility. All other objects obtained +// through interaction with this module are ultimately owned by the +// Minidump object, and will be freed upon the Minidump object's destruction. +// Because memory regions can potentially involve large allocations, a +// FreeMemory method is provided by MinidumpMemoryRegion, allowing the user +// to release data when it is no longer needed. Use of this method is +// optional but recommended. If freed data is later required, it will +// be read back in from the minidump file again. +// +// There is one exception to this memory management policy: +// Minidump::ReadString will return a string object to the user, and the user +// is responsible for its deletion. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_MINIDUMP_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_MINIDUMP_H__ + +#ifndef _WIN32 +#include +#endif + +#include +#include +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/minidump_format.h" +#include "google_breakpad/processor/code_module.h" +#include "google_breakpad/processor/code_modules.h" +#include "google_breakpad/processor/memory_region.h" + + +namespace google_breakpad { + + +using std::map; +using std::vector; + + +class Minidump; +template class RangeMap; + + +// MinidumpObject is the base of all Minidump* objects except for Minidump +// itself. +class MinidumpObject { + public: + virtual ~MinidumpObject() {} + + bool valid() const { return valid_; } + + protected: + explicit MinidumpObject(Minidump* minidump); + + // Refers to the Minidump object that is the ultimate parent of this + // Some MinidumpObjects are owned by other MinidumpObjects, but at the + // root of the ownership tree is always a Minidump. The Minidump object + // is kept here for access to its seeking and reading facilities, and + // for access to data about the minidump file itself, such as whether + // it should be byte-swapped. + Minidump* minidump_; + + // MinidumpObjects are not valid when created. When a subclass populates + // its own fields, it can set valid_ to true. Accessors and mutators may + // wish to consider or alter the valid_ state as they interact with + // objects. + bool valid_; +}; + + +// This class exists primarily to provide a virtual destructor in a base +// class common to all objects that might be stored in +// Minidump::mStreamObjects. Some object types (MinidumpContext) will +// never be stored in Minidump::mStreamObjects, but are represented as +// streams and adhere to the same interface, and may be derived from +// this class. +class MinidumpStream : public MinidumpObject { + public: + virtual ~MinidumpStream() {} + + protected: + explicit MinidumpStream(Minidump* minidump); + + private: + // Populate (and validate) the MinidumpStream. minidump_ is expected + // to be positioned at the beginning of the stream, so that the next + // read from the minidump will be at the beginning of the stream. + // expected_size should be set to the stream's length as contained in + // the MDRawDirectory record or other identifying record. A class + // that implements MinidumpStream can compare expected_size to a + // known size as an integrity check. + virtual bool Read(uint32_t expected_size) = 0; +}; + + +// MinidumpContext carries a CPU-specific MDRawContext structure, which +// contains CPU context such as register states. Each thread has its +// own context, and the exception record, if present, also has its own +// context. Note that if the exception record is present, the context it +// refers to is probably what the user wants to use for the exception +// thread, instead of that thread's own context. The exception thread's +// context (as opposed to the exception record's context) will contain +// context for the exception handler (which performs minidump generation), +// and not the context that caused the exception (which is probably what the +// user wants). +class MinidumpContext : public MinidumpStream { + public: + virtual ~MinidumpContext(); + + // Returns an MD_CONTEXT_* value such as MD_CONTEXT_X86 or MD_CONTEXT_PPC + // identifying the CPU type that the context was collected from. The + // returned value will identify the CPU only, and will have any other + // MD_CONTEXT_* bits masked out. Returns 0 on failure. + uint32_t GetContextCPU() const; + + // A convenience method to get the instruction pointer out of the + // MDRawContext, since it varies per-CPU architecture. + bool GetInstructionPointer(uint64_t* ip) const; + + // Returns raw CPU-specific context data for the named CPU type. If the + // context data does not match the CPU type or does not exist, returns + // NULL. + const MDRawContextAMD64* GetContextAMD64() const; + const MDRawContextARM* GetContextARM() const; + const MDRawContextPPC* GetContextPPC() const; + const MDRawContextPPC64* GetContextPPC64() const; + const MDRawContextSPARC* GetContextSPARC() const; + const MDRawContextX86* GetContextX86() const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + protected: + explicit MinidumpContext(Minidump* minidump); + + // The CPU-specific context structure. + union { + MDRawContextBase* base; + MDRawContextX86* x86; + MDRawContextPPC* ppc; + MDRawContextPPC64* ppc64; + MDRawContextAMD64* amd64; + // on Solaris SPARC, sparc is defined as a numeric constant, + // so variables can NOT be named as sparc + MDRawContextSPARC* ctx_sparc; + MDRawContextARM* arm; + } context_; + + // Store this separately because of the weirdo AMD64 context + uint32_t context_flags_; + + private: + friend class MinidumpThread; + friend class MinidumpException; + + bool Read(uint32_t expected_size); + + // Free the CPU-specific context structure. + void FreeContext(); + + // If the minidump contains a SYSTEM_INFO_STREAM, makes sure that the + // system info stream gives an appropriate CPU type matching the context + // CPU type in context_cpu_type. Returns false if the CPU type does not + // match. Returns true if the CPU type matches or if the minidump does + // not contain a system info stream. + bool CheckAgainstSystemInfo(uint32_t context_cpu_type); +}; + + +// MinidumpMemoryRegion does not wrap any MDRaw structure, and only contains +// a reference to an MDMemoryDescriptor. This object is intended to wrap +// portions of a minidump file that contain memory dumps. In normal +// minidumps, each MinidumpThread owns a MinidumpMemoryRegion corresponding +// to the thread's stack memory. MinidumpMemoryList also gives access to +// memory regions in its list as MinidumpMemoryRegions. This class +// adheres to MemoryRegion so that it may be used as a data provider to +// the Stackwalker family of classes. +class MinidumpMemoryRegion : public MinidumpObject, + public MemoryRegion { + public: + virtual ~MinidumpMemoryRegion(); + + static void set_max_bytes(uint32_t max_bytes) { max_bytes_ = max_bytes; } + static uint32_t max_bytes() { return max_bytes_; } + + // Returns a pointer to the base of the memory region. Returns the + // cached value if available, otherwise, reads the minidump file and + // caches the memory region. + const uint8_t* GetMemory() const; + + // The address of the base of the memory region. + uint64_t GetBase() const; + + // The size, in bytes, of the memory region. + uint32_t GetSize() const; + + // Frees the cached memory region, if cached. + void FreeMemory(); + + // Obtains the value of memory at the pointer specified by address. + bool GetMemoryAtAddress(uint64_t address, uint8_t* value) const; + bool GetMemoryAtAddress(uint64_t address, uint16_t* value) const; + bool GetMemoryAtAddress(uint64_t address, uint32_t* value) const; + bool GetMemoryAtAddress(uint64_t address, uint64_t* value) const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + protected: + explicit MinidumpMemoryRegion(Minidump* minidump); + + private: + friend class MinidumpThread; + friend class MinidumpMemoryList; + + // Identify the base address and size of the memory region, and the + // location it may be found in the minidump file. + void SetDescriptor(MDMemoryDescriptor* descriptor); + + // Implementation for GetMemoryAtAddress + template bool GetMemoryAtAddressInternal(uint64_t address, + T* value) const; + + // The largest memory region that will be read from a minidump. The + // default is 1MB. + static uint32_t max_bytes_; + + // Base address and size of the memory region, and its position in the + // minidump file. + MDMemoryDescriptor* descriptor_; + + // Cached memory. + mutable vector* memory_; +}; + + +// MinidumpThread contains information about a thread of execution, +// including a snapshot of the thread's stack and CPU context. For +// the thread that caused an exception, the context carried by +// MinidumpException is probably desired instead of the CPU context +// provided here. +// Note that a MinidumpThread may be valid() even if it does not +// contain a memory region or context. +class MinidumpThread : public MinidumpObject { + public: + virtual ~MinidumpThread(); + + const MDRawThread* thread() const { return valid_ ? &thread_ : NULL; } + // GetMemory may return NULL even if the MinidumpThread is valid, + // if the thread memory cannot be read. + virtual MinidumpMemoryRegion* GetMemory(); + // GetContext may return NULL even if the MinidumpThread is valid. + virtual MinidumpContext* GetContext(); + + // The thread ID is used to determine if a thread is the exception thread, + // so a special getter is provided to retrieve this data from the + // MDRawThread structure. Returns false if the thread ID cannot be + // determined. + virtual bool GetThreadID(uint32_t *thread_id) const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + protected: + explicit MinidumpThread(Minidump* minidump); + + private: + // These objects are managed by MinidumpThreadList. + friend class MinidumpThreadList; + + // This works like MinidumpStream::Read, but is driven by + // MinidumpThreadList. No size checking is done, because + // MinidumpThreadList handles that directly. + bool Read(); + + MDRawThread thread_; + MinidumpMemoryRegion* memory_; + MinidumpContext* context_; +}; + + +// MinidumpThreadList contains all of the threads (as MinidumpThreads) in +// a process. +class MinidumpThreadList : public MinidumpStream { + public: + virtual ~MinidumpThreadList(); + + static void set_max_threads(uint32_t max_threads) { + max_threads_ = max_threads; + } + static uint32_t max_threads() { return max_threads_; } + + virtual unsigned int thread_count() const { + return valid_ ? thread_count_ : 0; + } + + // Sequential access to threads. + virtual MinidumpThread* GetThreadAtIndex(unsigned int index) const; + + // Random access to threads. + MinidumpThread* GetThreadByID(uint32_t thread_id); + + // Print a human-readable representation of the object to stdout. + void Print(); + + protected: + explicit MinidumpThreadList(Minidump* aMinidump); + + private: + friend class Minidump; + + typedef map IDToThreadMap; + typedef vector MinidumpThreads; + + static const uint32_t kStreamType = MD_THREAD_LIST_STREAM; + + bool Read(uint32_t aExpectedSize); + + // The largest number of threads that will be read from a minidump. The + // default is 256. + static uint32_t max_threads_; + + // Access to threads using the thread ID as the key. + IDToThreadMap id_to_thread_map_; + + // The list of threads. + MinidumpThreads* threads_; + uint32_t thread_count_; +}; + + +// MinidumpModule wraps MDRawModule, which contains information about loaded +// code modules. Access is provided to various data referenced indirectly +// by MDRawModule, such as the module's name and a specification for where +// to locate debugging information for the module. +class MinidumpModule : public MinidumpObject, + public CodeModule { + public: + virtual ~MinidumpModule(); + + static void set_max_cv_bytes(uint32_t max_cv_bytes) { + max_cv_bytes_ = max_cv_bytes; + } + static uint32_t max_cv_bytes() { return max_cv_bytes_; } + + static void set_max_misc_bytes(uint32_t max_misc_bytes) { + max_misc_bytes_ = max_misc_bytes; + } + static uint32_t max_misc_bytes() { return max_misc_bytes_; } + + const MDRawModule* module() const { return valid_ ? &module_ : NULL; } + + // CodeModule implementation + virtual uint64_t base_address() const { + return valid_ ? module_.base_of_image : static_cast(-1); + } + virtual uint64_t size() const { return valid_ ? module_.size_of_image : 0; } + virtual string code_file() const; + virtual string code_identifier() const; + virtual string debug_file() const; + virtual string debug_identifier() const; + virtual string version() const; + virtual const CodeModule* Copy() const; + + // The CodeView record, which contains information to locate the module's + // debugging information (pdb). This is returned as uint8_t* because + // the data can be of types MDCVInfoPDB20* or MDCVInfoPDB70*, or it may be + // of a type unknown to Breakpad, in which case the raw data will still be + // returned but no byte-swapping will have been performed. Check the + // record's signature in the first four bytes to differentiate between + // the various types. Current toolchains generate modules which carry + // MDCVInfoPDB70 by default. Returns a pointer to the CodeView record on + // success, and NULL on failure. On success, the optional |size| argument + // is set to the size of the CodeView record. + const uint8_t* GetCVRecord(uint32_t* size); + + // The miscellaneous debug record, which is obsolete. Current toolchains + // do not generate this type of debugging information (dbg), and this + // field is not expected to be present. Returns a pointer to the debugging + // record on success, and NULL on failure. On success, the optional |size| + // argument is set to the size of the debugging record. + const MDImageDebugMisc* GetMiscRecord(uint32_t* size); + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + // These objects are managed by MinidumpModuleList. + friend class MinidumpModuleList; + + explicit MinidumpModule(Minidump* minidump); + + // This works like MinidumpStream::Read, but is driven by + // MinidumpModuleList. No size checking is done, because + // MinidumpModuleList handles that directly. + bool Read(); + + // Reads indirectly-referenced data, including the module name, CodeView + // record, and miscellaneous debugging record. This is necessary to allow + // MinidumpModuleList to fully construct MinidumpModule objects without + // requiring seeks to read a contiguous set of MinidumpModule objects. + // All auxiliary data should be available when Read is called, in order to + // allow the CodeModule getters to be const methods. + bool ReadAuxiliaryData(); + + // The largest number of bytes that will be read from a minidump for a + // CodeView record or miscellaneous debugging record, respectively. The + // default for each is 1024. + static uint32_t max_cv_bytes_; + static uint32_t max_misc_bytes_; + + // True after a successful Read. This is different from valid_, which is + // not set true until ReadAuxiliaryData also completes successfully. + // module_valid_ is only used by ReadAuxiliaryData and the functions it + // calls to determine whether the object is ready for auxiliary data to + // be read. + bool module_valid_; + + // True if debug info was read from the module. Certain modules + // may contain debug records in formats we don't support, + // so we can just set this to false to ignore them. + bool has_debug_info_; + + MDRawModule module_; + + // Cached module name. + const string* name_; + + // Cached CodeView record - this is MDCVInfoPDB20 or (likely) + // MDCVInfoPDB70, or possibly something else entirely. Stored as a uint8_t + // because the structure contains a variable-sized string and its exact + // size cannot be known until it is processed. + vector* cv_record_; + + // If cv_record_ is present, cv_record_signature_ contains a copy of the + // CodeView record's first four bytes, for ease of determinining the + // type of structure that cv_record_ contains. + uint32_t cv_record_signature_; + + // Cached MDImageDebugMisc (usually not present), stored as uint8_t + // because the structure contains a variable-sized string and its exact + // size cannot be known until it is processed. + vector* misc_record_; +}; + + +// MinidumpModuleList contains all of the loaded code modules for a process +// in the form of MinidumpModules. It maintains a map of these modules +// so that it may easily provide a code module corresponding to a specific +// address. +class MinidumpModuleList : public MinidumpStream, + public CodeModules { + public: + virtual ~MinidumpModuleList(); + + static void set_max_modules(uint32_t max_modules) { + max_modules_ = max_modules; + } + static uint32_t max_modules() { return max_modules_; } + + // CodeModules implementation. + virtual unsigned int module_count() const { + return valid_ ? module_count_ : 0; + } + virtual const MinidumpModule* GetModuleForAddress(uint64_t address) const; + virtual const MinidumpModule* GetMainModule() const; + virtual const MinidumpModule* GetModuleAtSequence( + unsigned int sequence) const; + virtual const MinidumpModule* GetModuleAtIndex(unsigned int index) const; + virtual const CodeModules* Copy() const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + protected: + explicit MinidumpModuleList(Minidump* minidump); + + private: + friend class Minidump; + + typedef vector MinidumpModules; + + static const uint32_t kStreamType = MD_MODULE_LIST_STREAM; + + bool Read(uint32_t expected_size); + + // The largest number of modules that will be read from a minidump. The + // default is 1024. + static uint32_t max_modules_; + + // Access to modules using addresses as the key. + RangeMap *range_map_; + + MinidumpModules *modules_; + uint32_t module_count_; +}; + + +// MinidumpMemoryList corresponds to a minidump's MEMORY_LIST_STREAM stream, +// which references the snapshots of all of the memory regions contained +// within the minidump. For a normal minidump, this includes stack memory +// (also referenced by each MinidumpThread, in fact, the MDMemoryDescriptors +// here and in MDRawThread both point to exactly the same data in a +// minidump file, conserving space), as well as a 256-byte snapshot of memory +// surrounding the instruction pointer in the case of an exception. Other +// types of minidumps may contain significantly more memory regions. Full- +// memory minidumps contain all of a process' mapped memory. +class MinidumpMemoryList : public MinidumpStream { + public: + virtual ~MinidumpMemoryList(); + + static void set_max_regions(uint32_t max_regions) { + max_regions_ = max_regions; + } + static uint32_t max_regions() { return max_regions_; } + + unsigned int region_count() const { return valid_ ? region_count_ : 0; } + + // Sequential access to memory regions. + MinidumpMemoryRegion* GetMemoryRegionAtIndex(unsigned int index); + + // Random access to memory regions. Returns the region encompassing + // the address identified by address. + MinidumpMemoryRegion* GetMemoryRegionForAddress(uint64_t address); + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + friend class Minidump; + + typedef vector MemoryDescriptors; + typedef vector MemoryRegions; + + static const uint32_t kStreamType = MD_MEMORY_LIST_STREAM; + + explicit MinidumpMemoryList(Minidump* minidump); + + bool Read(uint32_t expected_size); + + // The largest number of memory regions that will be read from a minidump. + // The default is 256. + static uint32_t max_regions_; + + // Access to memory regions using addresses as the key. + RangeMap *range_map_; + + // The list of descriptors. This is maintained separately from the list + // of regions, because MemoryRegion doesn't own its MemoryDescriptor, it + // maintains a pointer to it. descriptors_ provides the storage for this + // purpose. + MemoryDescriptors *descriptors_; + + // The list of regions. + MemoryRegions *regions_; + uint32_t region_count_; +}; + + +// MinidumpException wraps MDRawExceptionStream, which contains information +// about the exception that caused the minidump to be generated, if the +// minidump was generated in an exception handler called as a result of +// an exception. It also provides access to a MinidumpContext object, +// which contains the CPU context for the exception thread at the time +// the exception occurred. +class MinidumpException : public MinidumpStream { + public: + virtual ~MinidumpException(); + + const MDRawExceptionStream* exception() const { + return valid_ ? &exception_ : NULL; + } + + // The thread ID is used to determine if a thread is the exception thread, + // so a special getter is provided to retrieve this data from the + // MDRawExceptionStream structure. Returns false if the thread ID cannot + // be determined. + bool GetThreadID(uint32_t *thread_id) const; + + MinidumpContext* GetContext(); + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + friend class Minidump; + + static const uint32_t kStreamType = MD_EXCEPTION_STREAM; + + explicit MinidumpException(Minidump* minidump); + + bool Read(uint32_t expected_size); + + MDRawExceptionStream exception_; + MinidumpContext* context_; +}; + +// MinidumpAssertion wraps MDRawAssertionInfo, which contains information +// about an assertion that caused the minidump to be generated. +class MinidumpAssertion : public MinidumpStream { + public: + virtual ~MinidumpAssertion(); + + const MDRawAssertionInfo* assertion() const { + return valid_ ? &assertion_ : NULL; + } + + string expression() const { + return valid_ ? expression_ : ""; + } + + string function() const { + return valid_ ? function_ : ""; + } + + string file() const { + return valid_ ? file_ : ""; + } + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + friend class Minidump; + + static const uint32_t kStreamType = MD_ASSERTION_INFO_STREAM; + + explicit MinidumpAssertion(Minidump* minidump); + + bool Read(uint32_t expected_size); + + MDRawAssertionInfo assertion_; + string expression_; + string function_; + string file_; +}; + + +// MinidumpSystemInfo wraps MDRawSystemInfo and provides information about +// the system on which the minidump was generated. See also MinidumpMiscInfo. +class MinidumpSystemInfo : public MinidumpStream { + public: + virtual ~MinidumpSystemInfo(); + + const MDRawSystemInfo* system_info() const { + return valid_ ? &system_info_ : NULL; + } + + // GetOS and GetCPU return textual representations of the operating system + // and CPU that produced the minidump. Unlike most other Minidump* methods, + // they return string objects, not weak pointers. Defined values for + // GetOS() are "mac", "windows", and "linux". Defined values for GetCPU + // are "x86" and "ppc". These methods return an empty string when their + // values are unknown. + string GetOS(); + string GetCPU(); + + // I don't know what CSD stands for, but this field is documented as + // returning a textual representation of the OS service pack. On other + // platforms, this provides additional information about an OS version + // level beyond major.minor.micro. Returns NULL if unknown. + const string* GetCSDVersion(); + + // If a CPU vendor string can be determined, returns a pointer to it, + // otherwise, returns NULL. CPU vendor strings can be determined from + // x86 CPUs with CPUID 0. + const string* GetCPUVendor(); + + // Print a human-readable representation of the object to stdout. + void Print(); + + protected: + explicit MinidumpSystemInfo(Minidump* minidump); + MDRawSystemInfo system_info_; + + // Textual representation of the OS service pack, for minidumps produced + // by MiniDumpWriteDump on Windows. + const string* csd_version_; + + private: + friend class Minidump; + + static const uint32_t kStreamType = MD_SYSTEM_INFO_STREAM; + + bool Read(uint32_t expected_size); + + // A string identifying the CPU vendor, if known. + const string* cpu_vendor_; +}; + + +// MinidumpMiscInfo wraps MDRawMiscInfo and provides information about +// the process that generated the minidump, and optionally additional system +// information. See also MinidumpSystemInfo. +class MinidumpMiscInfo : public MinidumpStream { + public: + const MDRawMiscInfo* misc_info() const { + return valid_ ? &misc_info_ : NULL; + } + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + friend class Minidump; + + static const uint32_t kStreamType = MD_MISC_INFO_STREAM; + + explicit MinidumpMiscInfo(Minidump* minidump_); + + bool Read(uint32_t expected_size_); + + MDRawMiscInfo misc_info_; +}; + + +// MinidumpBreakpadInfo wraps MDRawBreakpadInfo, which is an optional stream in +// a minidump that provides additional information about the process state +// at the time the minidump was generated. +class MinidumpBreakpadInfo : public MinidumpStream { + public: + const MDRawBreakpadInfo* breakpad_info() const { + return valid_ ? &breakpad_info_ : NULL; + } + + // These thread IDs are used to determine if threads deserve special + // treatment, so special getters are provided to retrieve this data from + // the MDRawBreakpadInfo structure. The getters return false if the thread + // IDs cannot be determined. + bool GetDumpThreadID(uint32_t *thread_id) const; + bool GetRequestingThreadID(uint32_t *thread_id) const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + friend class Minidump; + + static const uint32_t kStreamType = MD_BREAKPAD_INFO_STREAM; + + explicit MinidumpBreakpadInfo(Minidump* minidump_); + + bool Read(uint32_t expected_size_); + + MDRawBreakpadInfo breakpad_info_; +}; + +// MinidumpMemoryInfo wraps MDRawMemoryInfo, which provides information +// about mapped memory regions in a process, including their ranges +// and protection. +class MinidumpMemoryInfo : public MinidumpObject { + public: + const MDRawMemoryInfo* info() const { return valid_ ? &memory_info_ : NULL; } + + // The address of the base of the memory region. + uint64_t GetBase() const { return valid_ ? memory_info_.base_address : 0; } + + // The size, in bytes, of the memory region. + uint32_t GetSize() const { return valid_ ? memory_info_.region_size : 0; } + + // Return true if the memory protection allows execution. + bool IsExecutable() const; + + // Return true if the memory protection allows writing. + bool IsWritable() const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + // These objects are managed by MinidumpMemoryInfoList. + friend class MinidumpMemoryInfoList; + + explicit MinidumpMemoryInfo(Minidump* minidump); + + // This works like MinidumpStream::Read, but is driven by + // MinidumpMemoryInfoList. No size checking is done, because + // MinidumpMemoryInfoList handles that directly. + bool Read(); + + MDRawMemoryInfo memory_info_; +}; + +// MinidumpMemoryInfoList contains a list of information about +// mapped memory regions for a process in the form of MDRawMemoryInfo. +// It maintains a map of these structures so that it may easily provide +// info corresponding to a specific address. +class MinidumpMemoryInfoList : public MinidumpStream { + public: + virtual ~MinidumpMemoryInfoList(); + + unsigned int info_count() const { return valid_ ? info_count_ : 0; } + + const MinidumpMemoryInfo* GetMemoryInfoForAddress(uint64_t address) const; + const MinidumpMemoryInfo* GetMemoryInfoAtIndex(unsigned int index) const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + friend class Minidump; + + typedef vector MinidumpMemoryInfos; + + static const uint32_t kStreamType = MD_MEMORY_INFO_LIST_STREAM; + + explicit MinidumpMemoryInfoList(Minidump* minidump); + + bool Read(uint32_t expected_size); + + // Access to memory info using addresses as the key. + RangeMap *range_map_; + + MinidumpMemoryInfos* infos_; + uint32_t info_count_; +}; + + +// Minidump is the user's interface to a minidump file. It wraps MDRawHeader +// and provides access to the minidump's top-level stream directory. +class Minidump { + public: + // path is the pathname of a file containing the minidump. + explicit Minidump(const string& path); + // input is an istream wrapping minidump data. Minidump holds a + // weak pointer to input, and the caller must ensure that the stream + // is valid as long as the Minidump object is. + explicit Minidump(std::istream& input); + + virtual ~Minidump(); + + // path may be empty if the minidump was not opened from a file + virtual string path() const { + return path_; + } + static void set_max_streams(uint32_t max_streams) { + max_streams_ = max_streams; + } + static uint32_t max_streams() { return max_streams_; } + + static void set_max_string_length(uint32_t max_string_length) { + max_string_length_ = max_string_length; + } + static uint32_t max_string_length() { return max_string_length_; } + + virtual const MDRawHeader* header() const { return valid_ ? &header_ : NULL; } + + // Reads the CPU information from the system info stream and generates the + // appropriate CPU flags. The returned context_cpu_flags are the same as + // if the CPU type bits were set in the context_flags of a context record. + // On success, context_cpu_flags will have the flags that identify the CPU. + // If a system info stream is missing, context_cpu_flags will be 0. + // Returns true if the current position in the stream was not changed. + // Returns false when the current location in the stream was changed and the + // attempt to restore the original position failed. + bool GetContextCPUFlagsFromSystemInfo(uint32_t* context_cpu_flags); + + // Reads the minidump file's header and top-level stream directory. + // The minidump is expected to be positioned at the beginning of the + // header. Read() sets up the stream list and map, and validates the + // Minidump object. + virtual bool Read(); + + // The next set of methods are stubs that call GetStream. They exist to + // force code generation of the templatized API within the module, and + // to avoid exposing an ugly API (GetStream needs to accept a garbage + // parameter). + virtual MinidumpThreadList* GetThreadList(); + MinidumpModuleList* GetModuleList(); + MinidumpMemoryList* GetMemoryList(); + MinidumpException* GetException(); + MinidumpAssertion* GetAssertion(); + virtual MinidumpSystemInfo* GetSystemInfo(); + MinidumpMiscInfo* GetMiscInfo(); + MinidumpBreakpadInfo* GetBreakpadInfo(); + MinidumpMemoryInfoList* GetMemoryInfoList(); + + // The next set of methods are provided for users who wish to access + // data in minidump files directly, while leveraging the rest of + // this class and related classes to handle the basic minidump + // structure and known stream types. + + unsigned int GetDirectoryEntryCount() const { + return valid_ ? header_.stream_count : 0; + } + const MDRawDirectory* GetDirectoryEntryAtIndex(unsigned int index) const; + + // The next 2 methods are lower-level I/O routines. They use fd_. + + // Reads count bytes from the minidump at the current position into + // the storage area pointed to by bytes. bytes must be of sufficient + // size. After the read, the file position is advanced by count. + bool ReadBytes(void* bytes, size_t count); + + // Sets the position of the minidump file to offset. + bool SeekSet(off_t offset); + + // Returns the current position of the minidump file. + off_t Tell(); + + // The next 2 methods are medium-level I/O routines. + + // ReadString returns a string which is owned by the caller! offset + // specifies the offset that a length-encoded string is stored at in the + // minidump file. + string* ReadString(off_t offset); + + // SeekToStreamType positions the file at the beginning of a stream + // identified by stream_type, and informs the caller of the stream's + // length by setting *stream_length. Because stream_map maps each stream + // type to only one stream in the file, this might mislead the user into + // thinking that the stream that this seeks to is the only stream with + // type stream_type. That can't happen for streams that these classes + // deal with directly, because they're only supposed to be present in the + // file singly, and that's verified when stream_map_ is built. Users who + // are looking for other stream types should be aware of this + // possibility, and consider using GetDirectoryEntryAtIndex (possibly + // with GetDirectoryEntryCount) if expecting multiple streams of the same + // type in a single minidump file. + bool SeekToStreamType(uint32_t stream_type, uint32_t* stream_length); + + bool swap() const { return valid_ ? swap_ : false; } + + // Print a human-readable representation of the object to stdout. + void Print(); + + private: + // MinidumpStreamInfo is used in the MinidumpStreamMap. It lets + // the Minidump object locate interesting streams quickly, and + // provides a convenient place to stash MinidumpStream objects. + struct MinidumpStreamInfo { + MinidumpStreamInfo() : stream_index(0), stream(NULL) {} + ~MinidumpStreamInfo() { delete stream; } + + // Index into the MinidumpDirectoryEntries vector + unsigned int stream_index; + + // Pointer to the stream if cached, or NULL if not yet populated + MinidumpStream* stream; + }; + + typedef vector MinidumpDirectoryEntries; + typedef map MinidumpStreamMap; + + template T* GetStream(T** stream); + + // Opens the minidump file, or if already open, seeks to the beginning. + bool Open(); + + // The largest number of top-level streams that will be read from a minidump. + // Note that streams are only read (and only consume memory) as needed, + // when directed by the caller. The default is 128. + static uint32_t max_streams_; + + // The maximum length of a UTF-16 string that will be read from a minidump + // in 16-bit words. The default is 1024. UTF-16 strings are converted + // to UTF-8 when stored in memory, and each UTF-16 word will be represented + // by as many as 3 bytes in UTF-8. + static unsigned int max_string_length_; + + MDRawHeader header_; + + // The list of streams. + MinidumpDirectoryEntries* directory_; + + // Access to streams using the stream type as the key. + MinidumpStreamMap* stream_map_; + + // The pathname of the minidump file to process, set in the constructor. + // This may be empty if the minidump was opened directly from a stream. + const string path_; + + // The stream for all file I/O. Used by ReadBytes and SeekSet. + // Set based on the path in Open, or directly in the constructor. + std::istream* stream_; + + // swap_ is true if the minidump file should be byte-swapped. If the + // minidump was produced by a CPU that is other-endian than the CPU + // processing the minidump, this will be true. If the two CPUs are + // same-endian, this will be false. + bool swap_; + + // Validity of the Minidump structure, false immediately after + // construction or after a failed Read(); true following a successful + // Read(). + bool valid_; +}; + + +} // namespace google_breakpad + + +#endif // GOOGLE_BREAKPAD_PROCESSOR_MINIDUMP_H__ diff --git a/google-breakpad/src/google_breakpad/processor/minidump_processor.h b/google-breakpad/src/google_breakpad/processor/minidump_processor.h new file mode 100644 index 0000000..33cd020 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/minidump_processor.h @@ -0,0 +1,169 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_MINIDUMP_PROCESSOR_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_MINIDUMP_PROCESSOR_H__ + +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +class Minidump; +class ProcessState; +class StackFrameSymbolizer; +class SourceLineResolverInterface; +class SymbolSupplier; +struct SystemInfo; +// Return type for Process() +enum ProcessResult { + PROCESS_OK, // The minidump was + // processed + // successfully. + + PROCESS_ERROR_MINIDUMP_NOT_FOUND, // The minidump file + // was not found. + + PROCESS_ERROR_NO_MINIDUMP_HEADER, // The minidump file + // had no header + + PROCESS_ERROR_NO_THREAD_LIST, // The minidump file + // had no thread list. + + PROCESS_ERROR_GETTING_THREAD, // There was an error + // getting one + // thread's data from + // the minidump. + + PROCESS_ERROR_GETTING_THREAD_ID, // There was an error + // getting a thread id + // from the thread's + // data. + + PROCESS_ERROR_DUPLICATE_REQUESTING_THREADS, // There was more than + // one requesting + // thread. + + PROCESS_SYMBOL_SUPPLIER_INTERRUPTED // The minidump + // processing was + // interrupted by the + // SymbolSupplier(not + // fatal) +}; + +class MinidumpProcessor { + public: + // Initializes this MinidumpProcessor. supplier should be an + // implementation of the SymbolSupplier abstract base class. + MinidumpProcessor(SymbolSupplier* supplier, + SourceLineResolverInterface* resolver); + + // Initializes the MinidumpProcessor with the option of + // enabling the exploitability framework to analyze dumps + // for probable security relevance. + MinidumpProcessor(SymbolSupplier* supplier, + SourceLineResolverInterface* resolver, + bool enable_exploitability); + + // Initializes the MinidumpProcessor with source line resolver helper, and + // the option of enabling the exploitability framework to analyze dumps + // for probable security relevance. + // Does not take ownership of resolver_helper, which must NOT be NULL. + MinidumpProcessor(StackFrameSymbolizer* stack_frame_symbolizer, + bool enable_exploitability); + + ~MinidumpProcessor(); + + // Processes the minidump file and fills process_state with the result. + ProcessResult Process(const string &minidump_file, + ProcessState* process_state); + + // Processes the minidump structure and fills process_state with the + // result. + ProcessResult Process(Minidump* minidump, + ProcessState* process_state); + // Populates the cpu_* fields of the |info| parameter with textual + // representations of the CPU type that the minidump in |dump| was + // produced on. Returns false if this information is not available in + // the minidump. + static bool GetCPUInfo(Minidump* dump, SystemInfo* info); + + // Populates the os_* fields of the |info| parameter with textual + // representations of the operating system that the minidump in |dump| + // was produced on. Returns false if this information is not available in + // the minidump. + static bool GetOSInfo(Minidump* dump, SystemInfo* info); + + // Returns a textual representation of the reason that a crash occurred, + // if the minidump in dump was produced as a result of a crash. Returns + // an empty string if this information cannot be determined. If address + // is non-NULL, it will be set to contain the address that caused the + // exception, if this information is available. This will be a code + // address when the crash was caused by problems such as illegal + // instructions or divisions by zero, or a data address when the crash + // was caused by a memory access violation. + static string GetCrashReason(Minidump* dump, uint64_t* address); + + // This function returns true if the passed-in error code is + // something unrecoverable(i.e. retry should not happen). For + // instance, if the minidump is corrupt, then it makes no sense to + // retry as we won't be able to glean additional information. + // However, as an example of the other case, the symbol supplier can + // return an error code indicating it was 'interrupted', which can + // happen of the symbols are fetched from a remote store, and a + // retry might be successful later on. + // You should not call this method with PROCESS_OK! Test for + // that separately before calling this. + static bool IsErrorUnrecoverable(ProcessResult p) { + assert(p != PROCESS_OK); + return (p != PROCESS_SYMBOL_SUPPLIER_INTERRUPTED); + } + + // Returns a textual representation of an assertion included + // in the minidump. Returns an empty string if this information + // does not exist or cannot be determined. + static string GetAssertion(Minidump* dump); + + private: + StackFrameSymbolizer* frame_symbolizer_; + // Indicate whether resolver_helper_ is owned by this instance. + bool own_frame_symbolizer_; + + // This flag enables the exploitability scanner which attempts to + // guess how likely it is that the crash represents an exploitable + // memory corruption issue. + bool enable_exploitability_; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_MINIDUMP_PROCESSOR_H__ diff --git a/google-breakpad/src/google_breakpad/processor/process_state.h b/google-breakpad/src/google_breakpad/processor/process_state.h new file mode 100644 index 0000000..d234ebb --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/process_state.h @@ -0,0 +1,175 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// process_state.h: A snapshot of a process, in a fully-digested state. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_PROCESS_STATE_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_PROCESS_STATE_H__ + +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" +#include "google_breakpad/processor/system_info.h" +#include "google_breakpad/processor/minidump.h" + +namespace google_breakpad { + +using std::vector; + +class CallStack; +class CodeModules; + +enum ExploitabilityRating { + EXPLOITABILITY_HIGH, // The crash likely represents + // a exploitable memory corruption + // vulnerability. + + EXPLOITABLITY_MEDIUM, // The crash appears to corrupt + // memory in a way which may be + // exploitable in some situations. + + EXPLOITABILITY_LOW, // The crash either does not corrupt + // memory directly or control over + // the effected data is limited. The + // issue may still be exploitable + // on certain platforms or situations. + + EXPLOITABILITY_INTERESTING, // The crash does not appear to be + // directly exploitable. However it + // represents a condition which should + // be furthur analyzed. + + EXPLOITABILITY_NONE, // The crash does not appear to represent + // an exploitable condition. + + EXPLOITABILITY_NOT_ANALYZED, // The crash was not analyzed for + // exploitability because the engine + // was disabled. + + EXPLOITABILITY_ERR_NOENGINE, // The supplied minidump's platform does + // not have a exploitability engine + // associated with it. + + EXPLOITABILITY_ERR_PROCESSING // An error occured within the + // exploitability engine and no rating + // was calculated. +}; + +class ProcessState { + public: + ProcessState() : modules_(NULL) { Clear(); } + ~ProcessState(); + + // Resets the ProcessState to its default values + void Clear(); + + // Accessors. See the data declarations below. + uint32_t time_date_stamp() const { return time_date_stamp_; } + bool crashed() const { return crashed_; } + string crash_reason() const { return crash_reason_; } + uint64_t crash_address() const { return crash_address_; } + string assertion() const { return assertion_; } + int requesting_thread() const { return requesting_thread_; } + const vector* threads() const { return &threads_; } + const vector* thread_memory_regions() const { + return &thread_memory_regions_; + } + const SystemInfo* system_info() const { return &system_info_; } + const CodeModules* modules() const { return modules_; } + const vector* modules_without_symbols() const { + return &modules_without_symbols_; + } + ExploitabilityRating exploitability() const { return exploitability_; } + + private: + // MinidumpProcessor is responsible for building ProcessState objects. + friend class MinidumpProcessor; + + // The time-date stamp of the minidump (time_t format) + uint32_t time_date_stamp_; + + // True if the process crashed, false if the dump was produced outside + // of an exception handler. + bool crashed_; + + // If the process crashed, the type of crash. OS- and possibly CPU- + // specific. For example, "EXCEPTION_ACCESS_VIOLATION" (Windows), + // "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS" (Mac OS X), "SIGSEGV" + // (other Unix). + string crash_reason_; + + // If the process crashed, and if crash_reason implicates memory, + // the memory address that caused the crash. For data access errors, + // this will be the data address that caused the fault. For code errors, + // this will be the address of the instruction that caused the fault. + uint64_t crash_address_; + + // If there was an assertion that was hit, a textual representation + // of that assertion, possibly including the file and line at which + // it occurred. + string assertion_; + + // The index of the thread that requested a dump be written in the + // threads vector. If a dump was produced as a result of a crash, this + // will point to the thread that crashed. If the dump was produced as + // by user code without crashing, and the dump contains extended Breakpad + // information, this will point to the thread that requested the dump. + // If the dump was not produced as a result of an exception and no + // extended Breakpad information is present, this field will be set to -1, + // indicating that the dump thread is not available. + int requesting_thread_; + + // Stacks for each thread (except possibly the exception handler + // thread) at the time of the crash. + vector threads_; + vector thread_memory_regions_; + + // OS and CPU information. + SystemInfo system_info_; + + // The modules that were loaded into the process represented by the + // ProcessState. + const CodeModules *modules_; + + // The modules that didn't have symbols when the report was processed. + vector modules_without_symbols_; + + // The exploitability rating as determined by the exploitability + // engine. When the exploitability engine is not enabled this + // defaults to EXPLOITABILITY_NONE. + ExploitabilityRating exploitability_; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_PROCESS_STATE_H__ diff --git a/google-breakpad/src/google_breakpad/processor/source_line_resolver_base.h b/google-breakpad/src/google_breakpad/processor/source_line_resolver_base.h new file mode 100644 index 0000000..efa76e7 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/source_line_resolver_base.h @@ -0,0 +1,118 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// source_line_resolver_base.h: SourceLineResolverBase, an (incomplete) +// implementation of SourceLineResolverInterface. It serves as a common base +// class for concrete implementations: FastSourceLineResolver and +// BasicSourceLineResolver. It is designed for refactoring that removes +// code redundancy in the two concrete source line resolver classes. +// +// See "google_breakpad/processor/source_line_resolver_interface.h" for more +// documentation. + +// Author: Siyang Xie (lambxsy@google.com) + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_BASE_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_BASE_H__ + +#include +#include + +#include "google_breakpad/processor/source_line_resolver_interface.h" + +namespace google_breakpad { + +using std::map; + +// Forward declaration. +// ModuleFactory is a simple factory interface for creating a Module instance +// at run-time. +class ModuleFactory; + +class SourceLineResolverBase : public SourceLineResolverInterface { + public: + // Read the symbol_data from a file with given file_name. + // The part of code was originally in BasicSourceLineResolver::Module's + // LoadMap() method. + // Place dynamically allocated heap buffer in symbol_data. Caller has the + // ownership of the buffer, and should call delete [] to free the buffer. + static bool ReadSymbolFile(char **symbol_data, const string &file_name); + + protected: + // Users are not allowed create SourceLineResolverBase instance directly. + SourceLineResolverBase(ModuleFactory *module_factory); + virtual ~SourceLineResolverBase(); + + // Virtual methods inherited from SourceLineResolverInterface. + virtual bool LoadModule(const CodeModule *module, const string &map_file); + virtual bool LoadModuleUsingMapBuffer(const CodeModule *module, + const string &map_buffer); + virtual bool LoadModuleUsingMemoryBuffer(const CodeModule *module, + char *memory_buffer); + virtual bool ShouldDeleteMemoryBufferAfterLoadModule(); + virtual void UnloadModule(const CodeModule *module); + virtual bool HasModule(const CodeModule *module); + virtual void FillSourceLineInfo(StackFrame *frame); + virtual WindowsFrameInfo *FindWindowsFrameInfo(const StackFrame *frame); + virtual CFIFrameInfo *FindCFIFrameInfo(const StackFrame *frame); + + // Nested structs and classes. + struct Line; + struct Function; + struct PublicSymbol; + struct CompareString { + bool operator()(const string &s1, const string &s2) const; + }; + // Module is an interface for an in-memory symbol file. + class Module; + class AutoFileCloser; + + // All of the modules that are loaded. + typedef map ModuleMap; + ModuleMap *modules_; + + // All of heap-allocated buffers that are owned locally by resolver. + typedef std::map MemoryMap; + MemoryMap *memory_buffers_; + + // Creates a concrete module at run-time. + ModuleFactory *module_factory_; + + private: + // ModuleFactory needs to have access to protected type Module. + friend class ModuleFactory; + + // Disallow unwanted copy ctor and assignment operator + SourceLineResolverBase(const SourceLineResolverBase&); + void operator=(const SourceLineResolverBase&); +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_BASE_H__ diff --git a/google-breakpad/src/google_breakpad/processor/source_line_resolver_interface.h b/google-breakpad/src/google_breakpad/processor/source_line_resolver_interface.h new file mode 100644 index 0000000..7b69b0d --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/source_line_resolver_interface.h @@ -0,0 +1,111 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Abstract interface to return function/file/line info for a memory address. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__ + +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" +#include "google_breakpad/processor/code_module.h" + +namespace google_breakpad { + +struct StackFrame; +struct WindowsFrameInfo; +class CFIFrameInfo; + +class SourceLineResolverInterface { + public: + typedef uint64_t MemAddr; + + virtual ~SourceLineResolverInterface() {} + + // Adds a module to this resolver, returning true on success. + // + // module should have at least the code_file, debug_file, + // and debug_identifier members populated. + // + // map_file should contain line/address mappings for this module. + virtual bool LoadModule(const CodeModule *module, + const string &map_file) = 0; + // Same as above, but takes the contents of a pre-read map buffer + virtual bool LoadModuleUsingMapBuffer(const CodeModule *module, + const string &map_buffer) = 0; + + // Add an interface to load symbol using C-String data insteading string. + // This is useful in the optimization design for avoiding unnecessary copying + // of symbol data, in order to improve memory efficiency. + // LoadModuleUsingMemoryBuffer() does NOT take ownership of memory_buffer. + virtual bool LoadModuleUsingMemoryBuffer(const CodeModule *module, + char *memory_buffer) = 0; + + // Return true if the memory buffer should be deleted immediately after + // LoadModuleUsingMemoryBuffer(). Return false if the memory buffer has to be + // alive during the lifetime of the corresponding Module. + virtual bool ShouldDeleteMemoryBufferAfterLoadModule() = 0; + + // Request that the specified module be unloaded from this resolver. + // A resolver may choose to ignore such a request. + virtual void UnloadModule(const CodeModule *module) = 0; + + // Returns true if the module has been loaded. + virtual bool HasModule(const CodeModule *module) = 0; + + // Fills in the function_base, function_name, source_file_name, + // and source_line fields of the StackFrame. The instruction and + // module_name fields must already be filled in. + virtual void FillSourceLineInfo(StackFrame *frame) = 0; + + // If Windows stack walking information is available covering + // FRAME's instruction address, return a WindowsFrameInfo structure + // describing it. If the information is not available, returns NULL. + // A NULL return value does not indicate an error. The caller takes + // ownership of any returned WindowsFrameInfo object. + virtual WindowsFrameInfo *FindWindowsFrameInfo(const StackFrame *frame) = 0; + + // If CFI stack walking information is available covering ADDRESS, + // return a CFIFrameInfo structure describing it. If the information + // is not available, return NULL. The caller takes ownership of any + // returned CFIFrameInfo object. + virtual CFIFrameInfo *FindCFIFrameInfo(const StackFrame *frame) = 0; + + protected: + // SourceLineResolverInterface cannot be instantiated except by subclasses + SourceLineResolverInterface() {} +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__ diff --git a/google-breakpad/src/google_breakpad/processor/stack_frame.h b/google-breakpad/src/google_breakpad/processor/stack_frame.h new file mode 100644 index 0000000..23e69bb --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/stack_frame.h @@ -0,0 +1,141 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_H__ + +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { + +class CodeModule; + +struct StackFrame { + // Indicates how well the instruction pointer derived during + // stack walking is trusted. Since the stack walker can resort to + // stack scanning, it can wind up with dubious frames. + // In rough order of "trust metric". + enum FrameTrust { + FRAME_TRUST_NONE, // Unknown + FRAME_TRUST_SCAN, // Scanned the stack, found this + FRAME_TRUST_CFI_SCAN, // Scanned the stack using call frame info, found this + FRAME_TRUST_FP, // Derived from frame pointer + FRAME_TRUST_CFI, // Derived from call frame info + FRAME_TRUST_CONTEXT // Given as instruction pointer in a context + }; + + StackFrame() + : instruction(), + module(NULL), + function_name(), + function_base(), + source_file_name(), + source_line(), + source_line_base(), + trust(FRAME_TRUST_NONE) {} + virtual ~StackFrame() {} + + // Return a string describing how this stack frame was found + // by the stackwalker. + string trust_description() const { + switch (trust) { + case StackFrame::FRAME_TRUST_CONTEXT: + return "given as instruction pointer in context"; + case StackFrame::FRAME_TRUST_CFI: + return "call frame info"; + case StackFrame::FRAME_TRUST_CFI_SCAN: + return "call frame info with scanning"; + case StackFrame::FRAME_TRUST_FP: + return "previous frame's frame pointer"; + case StackFrame::FRAME_TRUST_SCAN: + return "stack scanning"; + default: + return "unknown"; + } + }; + + // Return the actual return address, as saved on the stack or in a + // register. See the comments for 'instruction', below, for details. + virtual uint64_t ReturnAddress() const { return instruction; } + + // The program counter location as an absolute virtual address. + // + // - For the innermost called frame in a stack, this will be an exact + // program counter or instruction pointer value. + // + // - For all other frames, this address is within the instruction that + // caused execution to branch to this frame's callee (although it may + // not point to the exact beginning of that instruction). This ensures + // that, when we look up the source code location for this frame, we + // get the source location of the call, not of the point at which + // control will resume when the call returns, which may be on the next + // line. (If the compiler knows the callee never returns, it may even + // place the call instruction at the very end of the caller's machine + // code, such that the "return address" (which will never be used) + // immediately after the call instruction is in an entirely different + // function, perhaps even from a different source file.) + // + // On some architectures, the return address as saved on the stack or in + // a register is fine for looking up the point of the call. On others, it + // requires adjustment. ReturnAddress returns the address as saved by the + // machine. + uint64_t instruction; + + // The module in which the instruction resides. + const CodeModule *module; + + // The function name, may be omitted if debug symbols are not available. + string function_name; + + // The start address of the function, may be omitted if debug symbols + // are not available. + uint64_t function_base; + + // The source file name, may be omitted if debug symbols are not available. + string source_file_name; + + // The (1-based) source line number, may be omitted if debug symbols are + // not available. + int source_line; + + // The start address of the source line, may be omitted if debug symbols + // are not available. + uint64_t source_line_base; + + // Amount of trust the stack walker has in the instruction pointer + // of this frame. + FrameTrust trust; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_H__ diff --git a/google-breakpad/src/google_breakpad/processor/stack_frame_cpu.h b/google-breakpad/src/google_breakpad/processor/stack_frame_cpu.h new file mode 100644 index 0000000..cda3a8d --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/stack_frame_cpu.h @@ -0,0 +1,275 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// stack_frame_cpu.h: CPU-specific StackFrame extensions. +// +// These types extend the StackFrame structure to carry CPU-specific register +// state. They are defined in this header instead of stack_frame.h to +// avoid the need to include minidump_format.h when only the generic +// StackFrame type is needed. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_CPU_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_CPU_H__ + +#include "google_breakpad/common/minidump_format.h" +#include "google_breakpad/processor/stack_frame.h" + +namespace google_breakpad { + +struct WindowsFrameInfo; +class CFIFrameInfo; + +struct StackFrameX86 : public StackFrame { + // ContextValidity has one entry for each relevant hardware pointer + // register (%eip and %esp) and one entry for each general-purpose + // register. It's worthwhile having validity flags for caller-saves + // registers: they are valid in the youngest frame, and such a frame + // might save a callee-saves register in a caller-saves register, but + // SimpleCFIWalker won't touch registers unless they're marked as valid. + enum ContextValidity { + CONTEXT_VALID_NONE = 0, + CONTEXT_VALID_EIP = 1 << 0, + CONTEXT_VALID_ESP = 1 << 1, + CONTEXT_VALID_EBP = 1 << 2, + CONTEXT_VALID_EAX = 1 << 3, + CONTEXT_VALID_EBX = 1 << 4, + CONTEXT_VALID_ECX = 1 << 5, + CONTEXT_VALID_EDX = 1 << 6, + CONTEXT_VALID_ESI = 1 << 7, + CONTEXT_VALID_EDI = 1 << 8, + CONTEXT_VALID_ALL = -1 + }; + + StackFrameX86() + : context(), + context_validity(CONTEXT_VALID_NONE), + windows_frame_info(NULL), + cfi_frame_info(NULL) {} + ~StackFrameX86(); + + // Overriden to return the return address as saved on the stack. + virtual uint64_t ReturnAddress() const; + + // Register state. This is only fully valid for the topmost frame in a + // stack. In other frames, the values of nonvolatile registers may be + // present, given sufficient debugging information. Refer to + // context_validity. + MDRawContextX86 context; + + // context_validity is actually ContextValidity, but int is used because + // the OR operator doesn't work well with enumerated types. This indicates + // which fields in context are valid. + int context_validity; + + // Any stack walking information we found describing this.instruction. + // These may be NULL if there is no such information for that address. + WindowsFrameInfo *windows_frame_info; + CFIFrameInfo *cfi_frame_info; +}; + +struct StackFramePPC : public StackFrame { + // ContextValidity should eventually contain entries for the validity of + // other nonvolatile (callee-save) registers as in + // StackFrameX86::ContextValidity, but the ppc stackwalker doesn't currently + // locate registers other than the ones listed here. + enum ContextValidity { + CONTEXT_VALID_NONE = 0, + CONTEXT_VALID_SRR0 = 1 << 0, + CONTEXT_VALID_GPR1 = 1 << 1, + CONTEXT_VALID_ALL = -1 + }; + + StackFramePPC() : context(), context_validity(CONTEXT_VALID_NONE) {} + + // Register state. This is only fully valid for the topmost frame in a + // stack. In other frames, the values of nonvolatile registers may be + // present, given sufficient debugging information. Refer to + // context_validity. + MDRawContextPPC context; + + // context_validity is actually ContextValidity, but int is used because + // the OR operator doesn't work well with enumerated types. This indicates + // which fields in context are valid. + int context_validity; +}; + +struct StackFramePPC64 : public StackFrame { + // ContextValidity should eventually contain entries for the validity of + // other nonvolatile (callee-save) registers as in + // StackFrameX86::ContextValidity, but the ppc stackwalker doesn't currently + // locate registers other than the ones listed here. + enum ContextValidity { + CONTEXT_VALID_NONE = 0, + CONTEXT_VALID_SRR0 = 1 << 0, + CONTEXT_VALID_GPR1 = 1 << 1, + CONTEXT_VALID_ALL = -1 + }; + + StackFramePPC64() : context(), context_validity(CONTEXT_VALID_NONE) {} + + // Register state. This is only fully valid for the topmost frame in a + // stack. In other frames, the values of nonvolatile registers may be + // present, given sufficient debugging information. Refer to + // context_validity. + MDRawContextPPC64 context; + + // context_validity is actually ContextValidity, but int is used because + // the OR operator doesn't work well with enumerated types. This indicates + // which fields in context are valid. + int context_validity; +}; + +struct StackFrameAMD64 : public StackFrame { + // ContextValidity has one entry for each register that we might be able + // to recover. + enum ContextValidity { + CONTEXT_VALID_NONE = 0, + CONTEXT_VALID_RAX = 1 << 0, + CONTEXT_VALID_RDX = 1 << 1, + CONTEXT_VALID_RCX = 1 << 2, + CONTEXT_VALID_RBX = 1 << 3, + CONTEXT_VALID_RSI = 1 << 4, + CONTEXT_VALID_RDI = 1 << 5, + CONTEXT_VALID_RBP = 1 << 6, + CONTEXT_VALID_RSP = 1 << 7, + CONTEXT_VALID_R8 = 1 << 8, + CONTEXT_VALID_R9 = 1 << 9, + CONTEXT_VALID_R10 = 1 << 10, + CONTEXT_VALID_R11 = 1 << 11, + CONTEXT_VALID_R12 = 1 << 12, + CONTEXT_VALID_R13 = 1 << 13, + CONTEXT_VALID_R14 = 1 << 14, + CONTEXT_VALID_R15 = 1 << 15, + CONTEXT_VALID_RIP = 1 << 16, + CONTEXT_VALID_ALL = -1 + }; + + StackFrameAMD64() : context(), context_validity(CONTEXT_VALID_NONE) {} + + // Overriden to return the return address as saved on the stack. + virtual uint64_t ReturnAddress() const; + + // Register state. This is only fully valid for the topmost frame in a + // stack. In other frames, which registers are present depends on what + // debugging information we had available. Refer to context_validity. + MDRawContextAMD64 context; + + // For each register in context whose value has been recovered, we set + // the corresponding CONTEXT_VALID_ bit in context_validity. + // + // context_validity's type should actually be ContextValidity, but + // we use int instead because the bitwise inclusive or operator + // yields an int when applied to enum values, and C++ doesn't + // silently convert from ints to enums. + int context_validity; +}; + +struct StackFrameSPARC : public StackFrame { + // to be confirmed + enum ContextValidity { + CONTEXT_VALID_NONE = 0, + CONTEXT_VALID_PC = 1 << 0, + CONTEXT_VALID_SP = 1 << 1, + CONTEXT_VALID_FP = 1 << 2, + CONTEXT_VALID_ALL = -1 + }; + + StackFrameSPARC() : context(), context_validity(CONTEXT_VALID_NONE) {} + + // Register state. This is only fully valid for the topmost frame in a + // stack. In other frames, the values of nonvolatile registers may be + // present, given sufficient debugging information. Refer to + // context_validity. + MDRawContextSPARC context; + + // context_validity is actually ContextValidity, but int is used because + // the OR operator doesn't work well with enumerated types. This indicates + // which fields in context are valid. + int context_validity; +}; + +struct StackFrameARM : public StackFrame { + // A flag for each register we might know. + enum ContextValidity { + CONTEXT_VALID_NONE = 0, + CONTEXT_VALID_R0 = 1 << 0, + CONTEXT_VALID_R1 = 1 << 1, + CONTEXT_VALID_R2 = 1 << 2, + CONTEXT_VALID_R3 = 1 << 3, + CONTEXT_VALID_R4 = 1 << 4, + CONTEXT_VALID_R5 = 1 << 5, + CONTEXT_VALID_R6 = 1 << 6, + CONTEXT_VALID_R7 = 1 << 7, + CONTEXT_VALID_R8 = 1 << 8, + CONTEXT_VALID_R9 = 1 << 9, + CONTEXT_VALID_R10 = 1 << 10, + CONTEXT_VALID_R11 = 1 << 11, + CONTEXT_VALID_R12 = 1 << 12, + CONTEXT_VALID_R13 = 1 << 13, + CONTEXT_VALID_R14 = 1 << 14, + CONTEXT_VALID_R15 = 1 << 15, + CONTEXT_VALID_ALL = ~CONTEXT_VALID_NONE, + + // Aliases for registers with dedicated or conventional roles. + CONTEXT_VALID_FP = CONTEXT_VALID_R11, + CONTEXT_VALID_SP = CONTEXT_VALID_R13, + CONTEXT_VALID_LR = CONTEXT_VALID_R14, + CONTEXT_VALID_PC = CONTEXT_VALID_R15 + }; + + StackFrameARM() : context(), context_validity(CONTEXT_VALID_NONE) {} + + // Return the ContextValidity flag for register rN. + static ContextValidity RegisterValidFlag(int n) { + return ContextValidity(1 << n); + } + + // Register state. This is only fully valid for the topmost frame in a + // stack. In other frames, the values of nonvolatile registers may be + // present, given sufficient debugging information. Refer to + // context_validity. + MDRawContextARM context; + + // For each register in context whose value has been recovered, we set + // the corresponding CONTEXT_VALID_ bit in context_validity. + // + // context_validity's type should actually be ContextValidity, but + // we use int instead because the bitwise inclusive or operator + // yields an int when applied to enum values, and C++ doesn't + // silently convert from ints to enums. + int context_validity; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_CPU_H__ diff --git a/google-breakpad/src/google_breakpad/processor/stack_frame_symbolizer.h b/google-breakpad/src/google_breakpad/processor/stack_frame_symbolizer.h new file mode 100644 index 0000000..6f89167 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/stack_frame_symbolizer.h @@ -0,0 +1,105 @@ +// -*- mode: C++ -*- + +// Copyright (c) 2012 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Helper class that encapsulates the logic of how symbol supplier interacts +// with source line resolver to fill stack frame information. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_SYMBOLIZER_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_SYMBOLIZER_H__ + +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" +#include "google_breakpad/processor/code_module.h" + +namespace google_breakpad { +class CFIFrameInfo; +class CodeModules; +class SymbolSupplier; +class SourceLineResolverInterface; +struct StackFrame; +struct SystemInfo; +struct WindowsFrameInfo; + +class StackFrameSymbolizer { + public: + enum SymbolizerResult { + // Symbol data was found and successfully loaded in resolver. + // This does NOT guarantee source line info is found within symbol file. + kNoError, + // This indicates non-critical error, such as, no code module found for + // frame's instruction, no symbol file, or resolver failed to load symbol. + kError, + // This indicates error for which stack walk should be interrupted + // and retried in future. + kInterrupt + }; + + StackFrameSymbolizer(SymbolSupplier* supplier, + SourceLineResolverInterface* resolver); + + virtual ~StackFrameSymbolizer() { } + + // Encapsulate the step of resolving source line info for a stack frame. + // "frame" must not be NULL. + virtual SymbolizerResult FillSourceLineInfo(const CodeModules* modules, + const SystemInfo* system_info, + StackFrame* stack_frame); + + virtual WindowsFrameInfo* FindWindowsFrameInfo(const StackFrame* frame); + + virtual CFIFrameInfo* FindCFIFrameInfo(const StackFrame* frame); + + // Reset internal (locally owned) data as if the helper is re-instantiated. + // A typical case is to call Reset() after processing an individual report + // before start to process next one, in order to reset internal information + // about missing symbols found so far. + virtual void Reset() { no_symbol_modules_.clear(); } + + // Returns true if there is valid implementation for stack symbolization. + virtual bool HasImplementation() { return resolver_ && supplier_; } + + SourceLineResolverInterface* resolver() { return resolver_; } + SymbolSupplier* supplier() { return supplier_; } + + protected: + SymbolSupplier* supplier_; + SourceLineResolverInterface* resolver_; + // A list of modules known to have symbols missing. This helps avoid + // repeated lookups for the missing symbols within one minidump. + std::set no_symbol_modules_; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_SYMBOLIZER_H__ diff --git a/google-breakpad/src/google_breakpad/processor/stackwalker.h b/google-breakpad/src/google_breakpad/processor/stackwalker.h new file mode 100644 index 0000000..3640cc7 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/stackwalker.h @@ -0,0 +1,212 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// stackwalker.h: Generic stackwalker. +// +// The Stackwalker class is an abstract base class providing common generic +// methods that apply to stacks from all systems. Specific implementations +// will extend this class by providing GetContextFrame and GetCallerFrame +// methods to fill in system-specific data in a StackFrame structure. +// Stackwalker assembles these StackFrame strucutres into a CallStack. +// +// Author: Mark Mentovai + + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_STACKWALKER_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_STACKWALKER_H__ + +#include +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" +#include "google_breakpad/processor/code_modules.h" +#include "google_breakpad/processor/memory_region.h" +#include "google_breakpad/processor/stack_frame_symbolizer.h" + +namespace google_breakpad { + +class CallStack; +class MinidumpContext; +class StackFrameSymbolizer; + +using std::set; +using std::vector; + +class Stackwalker { + public: + virtual ~Stackwalker() {} + + // Populates the given CallStack by calling GetContextFrame and + // GetCallerFrame. The frames are further processed to fill all available + // data. Returns true if the stackwalk completed, or false if it was + // interrupted by SymbolSupplier::GetSymbolFile(). + // Upon return, modules_without_symbols will be populated with pointers to + // the code modules (CodeModule*) that DON'T have symbols. + // modules_without_symbols DOES NOT take ownership of the code modules. + // The lifetime of these code modules is the same as the lifetime of the + // CodeModules passed to the StackWalker constructor (which currently + // happens to be the lifetime of the Breakpad's ProcessingState object). + // There is a check for duplicate modules so no duplicates are expected. + bool Walk(CallStack* stack, + vector* modules_without_symbols); + + // Returns a new concrete subclass suitable for the CPU that a stack was + // generated on, according to the CPU type indicated by the context + // argument. If no suitable concrete subclass exists, returns NULL. + static Stackwalker* StackwalkerForCPU( + const SystemInfo* system_info, + MinidumpContext* context, + MemoryRegion* memory, + const CodeModules* modules, + StackFrameSymbolizer* resolver_helper); + + static void set_max_frames(uint32_t max_frames) { + max_frames_ = max_frames; + max_frames_set_ = true; + } + static uint32_t max_frames() { return max_frames_; } + + protected: + // system_info identifies the operating system, NULL or empty if unknown. + // memory identifies a MemoryRegion that provides the stack memory + // for the stack to walk. modules, if non-NULL, is a CodeModules + // object that is used to look up which code module each stack frame is + // associated with. frame_symbolizer is a StackFrameSymbolizer object that + // encapsulates the logic of how source line resolver interacts with symbol + // supplier to symbolize stack frame and look up caller frame information + // (see stack_frame_symbolizer.h). + // frame_symbolizer MUST NOT be NULL (asserted). + Stackwalker(const SystemInfo* system_info, + MemoryRegion* memory, + const CodeModules* modules, + StackFrameSymbolizer* frame_symbolizer); + + // This can be used to filter out potential return addresses when + // the stack walker resorts to stack scanning. + // Returns true if any of: + // * This address is within a loaded module, but we don't have symbols + // for that module. + // * This address is within a loaded module for which we have symbols, + // and falls inside a function in that module. + // Returns false otherwise. + bool InstructionAddressSeemsValid(uint64_t address); + + // The default number of words to search through on the stack + // for a return address. + static const int kRASearchWords; + + template + bool ScanForReturnAddress(InstructionType location_start, + InstructionType* location_found, + InstructionType* ip_found) { + return ScanForReturnAddress(location_start, location_found, ip_found, + kRASearchWords); + } + + // Scan the stack starting at location_start, looking for an address + // that looks like a valid instruction pointer. Addresses must + // 1) be contained in the current stack memory + // 2) pass the checks in InstructionAddressSeemsValid + // + // Returns true if a valid-looking instruction pointer was found. + // When returning true, sets location_found to the address at which + // the value was found, and ip_found to the value contained at that + // location in memory. + template + bool ScanForReturnAddress(InstructionType location_start, + InstructionType* location_found, + InstructionType* ip_found, + int searchwords) { + for (InstructionType location = location_start; + location <= location_start + searchwords * sizeof(InstructionType); + location += sizeof(InstructionType)) { + InstructionType ip; + if (!memory_->GetMemoryAtAddress(location, &ip)) + break; + + if (modules_ && modules_->GetModuleForAddress(ip) && + InstructionAddressSeemsValid(ip)) { + *ip_found = ip; + *location_found = location; + return true; + } + } + // nothing found + return false; + } + + // Information about the system that produced the minidump. Subclasses + // and the SymbolSupplier may find this information useful. + const SystemInfo* system_info_; + + // The stack memory to walk. Subclasses will require this region to + // get information from the stack. + MemoryRegion* memory_; + + // A list of modules, for populating each StackFrame's module information. + // This field is optional and may be NULL. + const CodeModules* modules_; + + protected: + // The StackFrameSymbolizer implementation. + StackFrameSymbolizer* frame_symbolizer_; + + private: + // Obtains the context frame, the innermost called procedure in a stack + // trace. Returns NULL on failure. GetContextFrame allocates a new + // StackFrame (or StackFrame subclass), ownership of which is taken by + // the caller. + virtual StackFrame* GetContextFrame() = 0; + + // Obtains a caller frame. Each call to GetCallerFrame should return the + // frame that called the last frame returned by GetContextFrame or + // GetCallerFrame. To aid this purpose, stack contains the CallStack + // made of frames that have already been walked. GetCallerFrame should + // return NULL on failure or when there are no more caller frames (when + // the end of the stack has been reached). GetCallerFrame allocates a new + // StackFrame (or StackFrame subclass), ownership of which is taken by + // the caller. + virtual StackFrame* GetCallerFrame(const CallStack* stack) = 0; + + // The maximum number of frames Stackwalker will walk through. + // This defaults to 1024 to prevent infinite loops. + static uint32_t max_frames_; + + // Keep track of whether max_frames_ has been set by the user, since + // it affects whether or not an error message is printed in the case + // where an unwind got stopped by the limit. + static bool max_frames_set_; +}; + +} // namespace google_breakpad + + +#endif // GOOGLE_BREAKPAD_PROCESSOR_STACKWALKER_H__ diff --git a/google-breakpad/src/google_breakpad/processor/symbol_supplier.h b/google-breakpad/src/google_breakpad/processor/symbol_supplier.h new file mode 100644 index 0000000..dccab50 --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/symbol_supplier.h @@ -0,0 +1,98 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// The caller may implement the SymbolSupplier abstract base class +// to provide symbols for a given module. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_SYMBOL_SUPPLIER_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_SYMBOL_SUPPLIER_H__ + +#include +#include "common/using_std_string.h" + +namespace google_breakpad { + +class CodeModule; +struct SystemInfo; + +class SymbolSupplier { + public: + // Result type for GetSymbolFile + enum SymbolResult { + // no symbols were found, but continue processing + NOT_FOUND, + + // symbols were found, and the path has been placed in symbol_file + FOUND, + + // stops processing the minidump immediately + INTERRUPT + }; + + virtual ~SymbolSupplier() {} + + // Retrieves the symbol file for the given CodeModule, placing the + // path in symbol_file if successful. system_info contains strings + // identifying the operating system and CPU; SymbolSupplier may use + // to help locate the symbol file. system_info may be NULL or its + // fields may be empty if these values are unknown. symbol_file + // must be a pointer to a valid string + virtual SymbolResult GetSymbolFile(const CodeModule *module, + const SystemInfo *system_info, + string *symbol_file) = 0; + // Same as above, except also places symbol data into symbol_data. + // If symbol_data is NULL, the data is not returned. + // TODO(nealsid) Once we have symbol data caching behavior implemented + // investigate making all symbol suppliers implement all methods, + // and make this pure virtual + virtual SymbolResult GetSymbolFile(const CodeModule *module, + const SystemInfo *system_info, + string *symbol_file, + string *symbol_data) = 0; + + // Same as above, except allocates data buffer on heap and then places the + // symbol data into the buffer as C-string. + // SymbolSupplier is responsible for deleting the data buffer. After the call + // to GetCStringSymbolData(), the caller should call FreeSymbolData(const + // Module *module) once the data buffer is no longer needed. + // If symbol_data is not NULL, symbol supplier won't return FOUND unless it + // returns a valid buffer in symbol_data, e.g., returns INTERRUPT on memory + // allocation failure. + virtual SymbolResult GetCStringSymbolData(const CodeModule *module, + const SystemInfo *system_info, + string *symbol_file, + char **symbol_data) = 0; + + // Frees the data buffer allocated for the module in GetCStringSymbolData. + virtual void FreeSymbolData(const CodeModule *module) = 0; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_SYMBOL_SUPPLIER_H__ diff --git a/google-breakpad/src/google_breakpad/processor/system_info.h b/google-breakpad/src/google_breakpad/processor/system_info.h new file mode 100644 index 0000000..9583d9e --- /dev/null +++ b/google-breakpad/src/google_breakpad/processor/system_info.h @@ -0,0 +1,98 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// system_info.h: Information about the system that was running a program +// when a crash report was produced. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_SYSTEM_INFO_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_SYSTEM_INFO_H__ + +#include + +#include "common/using_std_string.h" + +namespace google_breakpad { + +struct SystemInfo { + public: + SystemInfo() : os(), os_short(), os_version(), cpu(), cpu_info(), + cpu_count(0) {} + + // Resets the SystemInfo object to its default values. + void Clear() { + os.clear(); + os_short.clear(); + os_version.clear(); + cpu.clear(); + cpu_info.clear(); + cpu_count = 0; + } + + // A string identifying the operating system, such as "Windows NT", + // "Mac OS X", or "Linux". If the information is present in the dump but + // its value is unknown, this field will contain a numeric value. If + // the information is not present in the dump, this field will be empty. + string os; + + // A short form of the os string, using lowercase letters and no spaces, + // suitable for use in a filesystem. Possible values include "windows", + // "mac", "linux" and "nacl". Empty if the information is not present + // in the dump or if the OS given by the dump is unknown. The values + // stored in this field should match those used by + // MinidumpSystemInfo::GetOS. + string os_short; + + // A string identifying the version of the operating system, such as + // "5.1.2600 Service Pack 2" or "10.4.8 8L2127". If the dump does not + // contain this information, this field will be empty. + string os_version; + + // A string identifying the basic CPU family, such as "x86" or "ppc". + // If this information is present in the dump but its value is unknown, + // this field will contain a numeric value. If the information is not + // present in the dump, this field will be empty. The values stored in + // this field should match those used by MinidumpSystemInfo::GetCPU. + string cpu; + + // A string further identifying the specific CPU, such as + // "GenuineIntel level 6 model 13 stepping 8". If the information is not + // present in the dump, or additional identifying information is not + // defined for the CPU family, this field will be empty. + string cpu_info; + + // The number of processors in the system. Will be greater than one for + // multi-core systems. + int cpu_count; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_SYSTEM_INFO_H__ diff --git a/google-breakpad/src/third_party/lss/linux_syscall_support.h b/google-breakpad/src/third_party/lss/linux_syscall_support.h new file mode 100644 index 0000000..3c9ac73 --- /dev/null +++ b/google-breakpad/src/third_party/lss/linux_syscall_support.h @@ -0,0 +1,3537 @@ +/* Copyright (c) 2005-2011, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * --- + * Author: Markus Gutschke + */ + +/* This file includes Linux-specific support functions common to the + * coredumper and the thread lister; primarily, this is a collection + * of direct system calls, and a couple of symbols missing from + * standard header files. + * There are a few options that the including file can set to control + * the behavior of this file: + * + * SYS_CPLUSPLUS: + * The entire header file will normally be wrapped in 'extern "C" { }", + * making it suitable for compilation as both C and C++ source. If you + * do not want to do this, you can set the SYS_CPLUSPLUS macro to inhibit + * the wrapping. N.B. doing so will suppress inclusion of all prerequisite + * system header files, too. It is the caller's responsibility to provide + * the necessary definitions. + * + * SYS_ERRNO: + * All system calls will update "errno" unless overriden by setting the + * SYS_ERRNO macro prior to including this file. SYS_ERRNO should be + * an l-value. + * + * SYS_INLINE: + * New symbols will be defined "static inline", unless overridden by + * the SYS_INLINE macro. + * + * SYS_LINUX_SYSCALL_SUPPORT_H + * This macro is used to avoid multiple inclusions of this header file. + * If you need to include this file more than once, make sure to + * unset SYS_LINUX_SYSCALL_SUPPORT_H before each inclusion. + * + * SYS_PREFIX: + * New system calls will have a prefix of "sys_" unless overridden by + * the SYS_PREFIX macro. Valid values for this macro are [0..9] which + * results in prefixes "sys[0..9]_". It is also possible to set this + * macro to -1, which avoids all prefixes. + * + * SYS_SYSCALL_ENTRYPOINT: + * Some applications (such as sandboxes that filter system calls), need + * to be able to run custom-code each time a system call is made. If this + * macro is defined, it expands to the name of a "common" symbol. If + * this symbol is assigned a non-NULL pointer value, it is used as the + * address of the system call entrypoint. + * A pointer to this symbol can be obtained by calling + * get_syscall_entrypoint() + * + * This file defines a few internal symbols that all start with "LSS_". + * Do not access these symbols from outside this file. They are not part + * of the supported API. + */ +#ifndef SYS_LINUX_SYSCALL_SUPPORT_H +#define SYS_LINUX_SYSCALL_SUPPORT_H + +/* We currently only support x86-32, x86-64, ARM, MIPS, and PPC on Linux. + * Porting to other related platforms should not be difficult. + */ +#if (defined(__i386__) || defined(__x86_64__) || defined(__ARM_ARCH_3__) || \ + defined(__mips__) || defined(__PPC__) || defined(__ARM_EABI__)) \ + && (defined(__linux) || defined(__ANDROID__)) + +#ifndef SYS_CPLUSPLUS +#ifdef __cplusplus +/* Some system header files in older versions of gcc neglect to properly + * handle being included from C++. As it appears to be harmless to have + * multiple nested 'extern "C"' blocks, just add another one here. + */ +extern "C" { +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __mips__ +/* Include definitions of the ABI currently in use. */ +#include +#endif +#endif + +/* The Android NDK's #defines these macros as aliases + * to their non-64 counterparts. To avoid naming conflict, remove them. */ +#ifdef __ANDROID__ + /* These are restored by the corresponding #pragma pop_macro near + * the end of this file. */ +# pragma push_macro("stat64") +# pragma push_macro("fstat64") +# pragma push_macro("lstat64") +# undef stat64 +# undef fstat64 +# undef lstat64 +#endif + +/* As glibc often provides subtly incompatible data structures (and implicit + * wrapper functions that convert them), we provide our own kernel data + * structures for use by the system calls. + * These structures have been developed by using Linux 2.6.23 headers for + * reference. Note though, we do not care about exact API compatibility + * with the kernel, and in fact the kernel often does not have a single + * API that works across architectures. Instead, we try to mimic the glibc + * API where reasonable, and only guarantee ABI compatibility with the + * kernel headers. + * Most notably, here are a few changes that were made to the structures + * defined by kernel headers: + * + * - we only define structures, but not symbolic names for kernel data + * types. For the latter, we directly use the native C datatype + * (i.e. "unsigned" instead of "mode_t"). + * - in a few cases, it is possible to define identical structures for + * both 32bit (e.g. i386) and 64bit (e.g. x86-64) platforms by + * standardizing on the 64bit version of the data types. In particular, + * this means that we use "unsigned" where the 32bit headers say + * "unsigned long". + * - overall, we try to minimize the number of cases where we need to + * conditionally define different structures. + * - the "struct kernel_sigaction" class of structures have been + * modified to more closely mimic glibc's API by introducing an + * anonymous union for the function pointer. + * - a small number of field names had to have an underscore appended to + * them, because glibc defines a global macro by the same name. + */ + +/* include/linux/dirent.h */ +struct kernel_dirent64 { + unsigned long long d_ino; + long long d_off; + unsigned short d_reclen; + unsigned char d_type; + char d_name[256]; +}; + +/* include/linux/dirent.h */ +struct kernel_dirent { + long d_ino; + long d_off; + unsigned short d_reclen; + char d_name[256]; +}; + +/* include/linux/uio.h */ +struct kernel_iovec { + void *iov_base; + unsigned long iov_len; +}; + +/* include/linux/socket.h */ +struct kernel_msghdr { + void *msg_name; + int msg_namelen; + struct kernel_iovec*msg_iov; + unsigned long msg_iovlen; + void *msg_control; + unsigned long msg_controllen; + unsigned msg_flags; +}; + +/* include/asm-generic/poll.h */ +struct kernel_pollfd { + int fd; + short events; + short revents; +}; + +/* include/linux/resource.h */ +struct kernel_rlimit { + unsigned long rlim_cur; + unsigned long rlim_max; +}; + +/* include/linux/time.h */ +struct kernel_timespec { + long tv_sec; + long tv_nsec; +}; + +/* include/linux/time.h */ +struct kernel_timeval { + long tv_sec; + long tv_usec; +}; + +/* include/linux/resource.h */ +struct kernel_rusage { + struct kernel_timeval ru_utime; + struct kernel_timeval ru_stime; + long ru_maxrss; + long ru_ixrss; + long ru_idrss; + long ru_isrss; + long ru_minflt; + long ru_majflt; + long ru_nswap; + long ru_inblock; + long ru_oublock; + long ru_msgsnd; + long ru_msgrcv; + long ru_nsignals; + long ru_nvcsw; + long ru_nivcsw; +}; + +struct siginfo; +#if defined(__i386__) || defined(__ARM_EABI__) || defined(__ARM_ARCH_3__) \ + || defined(__PPC__) + +/* include/asm-{arm,i386,mips,ppc}/signal.h */ +struct kernel_old_sigaction { + union { + void (*sa_handler_)(int); + void (*sa_sigaction_)(int, struct siginfo *, void *); + }; + unsigned long sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +} __attribute__((packed,aligned(4))); +#elif (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) + #define kernel_old_sigaction kernel_sigaction +#endif + +/* Some kernel functions (e.g. sigaction() in 2.6.23) require that the + * exactly match the size of the signal set, even though the API was + * intended to be extensible. We define our own KERNEL_NSIG to deal with + * this. + * Please note that glibc provides signals [1.._NSIG-1], whereas the + * kernel (and this header) provides the range [1..KERNEL_NSIG]. The + * actual number of signals is obviously the same, but the constants + * differ by one. + */ +#ifdef __mips__ +#define KERNEL_NSIG 128 +#else +#define KERNEL_NSIG 64 +#endif + +/* include/asm-{arm,i386,mips,x86_64}/signal.h */ +struct kernel_sigset_t { + unsigned long sig[(KERNEL_NSIG + 8*sizeof(unsigned long) - 1)/ + (8*sizeof(unsigned long))]; +}; + +/* include/asm-{arm,i386,mips,x86_64,ppc}/signal.h */ +struct kernel_sigaction { +#ifdef __mips__ + unsigned long sa_flags; + union { + void (*sa_handler_)(int); + void (*sa_sigaction_)(int, struct siginfo *, void *); + }; + struct kernel_sigset_t sa_mask; +#else + union { + void (*sa_handler_)(int); + void (*sa_sigaction_)(int, struct siginfo *, void *); + }; + unsigned long sa_flags; + void (*sa_restorer)(void); + struct kernel_sigset_t sa_mask; +#endif +}; + +/* include/linux/socket.h */ +struct kernel_sockaddr { + unsigned short sa_family; + char sa_data[14]; +}; + +/* include/asm-{arm,i386,mips,ppc}/stat.h */ +#ifdef __mips__ +#if _MIPS_SIM == _MIPS_SIM_ABI64 +struct kernel_stat { +#else +struct kernel_stat64 { +#endif + unsigned st_dev; + unsigned __pad0[3]; + unsigned long long st_ino; + unsigned st_mode; + unsigned st_nlink; + unsigned st_uid; + unsigned st_gid; + unsigned st_rdev; + unsigned __pad1[3]; + long long st_size; + unsigned st_atime_; + unsigned st_atime_nsec_; + unsigned st_mtime_; + unsigned st_mtime_nsec_; + unsigned st_ctime_; + unsigned st_ctime_nsec_; + unsigned st_blksize; + unsigned __pad2; + unsigned long long st_blocks; +}; +#elif defined __PPC__ +struct kernel_stat64 { + unsigned long long st_dev; + unsigned long long st_ino; + unsigned st_mode; + unsigned st_nlink; + unsigned st_uid; + unsigned st_gid; + unsigned long long st_rdev; + unsigned short int __pad2; + long long st_size; + long st_blksize; + long long st_blocks; + long st_atime_; + unsigned long st_atime_nsec_; + long st_mtime_; + unsigned long st_mtime_nsec_; + long st_ctime_; + unsigned long st_ctime_nsec_; + unsigned long __unused4; + unsigned long __unused5; +}; +#else +struct kernel_stat64 { + unsigned long long st_dev; + unsigned char __pad0[4]; + unsigned __st_ino; + unsigned st_mode; + unsigned st_nlink; + unsigned st_uid; + unsigned st_gid; + unsigned long long st_rdev; + unsigned char __pad3[4]; + long long st_size; + unsigned st_blksize; + unsigned long long st_blocks; + unsigned st_atime_; + unsigned st_atime_nsec_; + unsigned st_mtime_; + unsigned st_mtime_nsec_; + unsigned st_ctime_; + unsigned st_ctime_nsec_; + unsigned long long st_ino; +}; +#endif + +/* include/asm-{arm,i386,mips,x86_64,ppc}/stat.h */ +#if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) +struct kernel_stat { + /* The kernel headers suggest that st_dev and st_rdev should be 32bit + * quantities encoding 12bit major and 20bit minor numbers in an interleaved + * format. In reality, we do not see useful data in the top bits. So, + * we'll leave the padding in here, until we find a better solution. + */ + unsigned short st_dev; + short pad1; + unsigned st_ino; + unsigned short st_mode; + unsigned short st_nlink; + unsigned short st_uid; + unsigned short st_gid; + unsigned short st_rdev; + short pad2; + unsigned st_size; + unsigned st_blksize; + unsigned st_blocks; + unsigned st_atime_; + unsigned st_atime_nsec_; + unsigned st_mtime_; + unsigned st_mtime_nsec_; + unsigned st_ctime_; + unsigned st_ctime_nsec_; + unsigned __unused4; + unsigned __unused5; +}; +#elif defined(__x86_64__) +struct kernel_stat { + unsigned long st_dev; + unsigned long st_ino; + unsigned long st_nlink; + unsigned st_mode; + unsigned st_uid; + unsigned st_gid; + unsigned __pad0; + unsigned long st_rdev; + long st_size; + long st_blksize; + long st_blocks; + unsigned long st_atime_; + unsigned long st_atime_nsec_; + unsigned long st_mtime_; + unsigned long st_mtime_nsec_; + unsigned long st_ctime_; + unsigned long st_ctime_nsec_; + long __unused[3]; +}; +#elif defined(__PPC__) +struct kernel_stat { + unsigned st_dev; + unsigned long st_ino; // ino_t + unsigned long st_mode; // mode_t + unsigned short st_nlink; // nlink_t + unsigned st_uid; // uid_t + unsigned st_gid; // gid_t + unsigned st_rdev; + long st_size; // off_t + unsigned long st_blksize; + unsigned long st_blocks; + unsigned long st_atime_; + unsigned long st_atime_nsec_; + unsigned long st_mtime_; + unsigned long st_mtime_nsec_; + unsigned long st_ctime_; + unsigned long st_ctime_nsec_; + unsigned long __unused4; + unsigned long __unused5; +}; +#elif (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI64) +struct kernel_stat { + unsigned st_dev; + int st_pad1[3]; + unsigned st_ino; + unsigned st_mode; + unsigned st_nlink; + unsigned st_uid; + unsigned st_gid; + unsigned st_rdev; + int st_pad2[2]; + long st_size; + int st_pad3; + long st_atime_; + long st_atime_nsec_; + long st_mtime_; + long st_mtime_nsec_; + long st_ctime_; + long st_ctime_nsec_; + int st_blksize; + int st_blocks; + int st_pad4[14]; +}; +#endif + +/* include/asm-{arm,i386,mips,x86_64,ppc}/statfs.h */ +#ifdef __mips__ +#if _MIPS_SIM != _MIPS_SIM_ABI64 +struct kernel_statfs64 { + unsigned long f_type; + unsigned long f_bsize; + unsigned long f_frsize; + unsigned long __pad; + unsigned long long f_blocks; + unsigned long long f_bfree; + unsigned long long f_files; + unsigned long long f_ffree; + unsigned long long f_bavail; + struct { int val[2]; } f_fsid; + unsigned long f_namelen; + unsigned long f_spare[6]; +}; +#endif +#elif !defined(__x86_64__) +struct kernel_statfs64 { + unsigned long f_type; + unsigned long f_bsize; + unsigned long long f_blocks; + unsigned long long f_bfree; + unsigned long long f_bavail; + unsigned long long f_files; + unsigned long long f_ffree; + struct { int val[2]; } f_fsid; + unsigned long f_namelen; + unsigned long f_frsize; + unsigned long f_spare[5]; +}; +#endif + +/* include/asm-{arm,i386,mips,x86_64,ppc,generic}/statfs.h */ +#ifdef __mips__ +struct kernel_statfs { + long f_type; + long f_bsize; + long f_frsize; + long f_blocks; + long f_bfree; + long f_files; + long f_ffree; + long f_bavail; + struct { int val[2]; } f_fsid; + long f_namelen; + long f_spare[6]; +}; +#else +struct kernel_statfs { + /* x86_64 actually defines all these fields as signed, whereas all other */ + /* platforms define them as unsigned. Leaving them at unsigned should not */ + /* cause any problems. */ + unsigned long f_type; + unsigned long f_bsize; + unsigned long f_blocks; + unsigned long f_bfree; + unsigned long f_bavail; + unsigned long f_files; + unsigned long f_ffree; + struct { int val[2]; } f_fsid; + unsigned long f_namelen; + unsigned long f_frsize; + unsigned long f_spare[5]; +}; +#endif + + +/* Definitions missing from the standard header files */ +#ifndef O_DIRECTORY +#if defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) +#define O_DIRECTORY 0040000 +#else +#define O_DIRECTORY 0200000 +#endif +#endif +#ifndef NT_PRXFPREG +#define NT_PRXFPREG 0x46e62b7f +#endif +#ifndef PTRACE_GETFPXREGS +#define PTRACE_GETFPXREGS ((enum __ptrace_request)18) +#endif +#ifndef PR_GET_DUMPABLE +#define PR_GET_DUMPABLE 3 +#endif +#ifndef PR_SET_DUMPABLE +#define PR_SET_DUMPABLE 4 +#endif +#ifndef PR_GET_SECCOMP +#define PR_GET_SECCOMP 21 +#endif +#ifndef PR_SET_SECCOMP +#define PR_SET_SECCOMP 22 +#endif +#ifndef AT_FDCWD +#define AT_FDCWD (-100) +#endif +#ifndef AT_SYMLINK_NOFOLLOW +#define AT_SYMLINK_NOFOLLOW 0x100 +#endif +#ifndef AT_REMOVEDIR +#define AT_REMOVEDIR 0x200 +#endif +#ifndef MREMAP_FIXED +#define MREMAP_FIXED 2 +#endif +#ifndef SA_RESTORER +#define SA_RESTORER 0x04000000 +#endif +#ifndef CPUCLOCK_PROF +#define CPUCLOCK_PROF 0 +#endif +#ifndef CPUCLOCK_VIRT +#define CPUCLOCK_VIRT 1 +#endif +#ifndef CPUCLOCK_SCHED +#define CPUCLOCK_SCHED 2 +#endif +#ifndef CPUCLOCK_PERTHREAD_MASK +#define CPUCLOCK_PERTHREAD_MASK 4 +#endif +#ifndef MAKE_PROCESS_CPUCLOCK +#define MAKE_PROCESS_CPUCLOCK(pid, clock) \ + ((~(int)(pid) << 3) | (int)(clock)) +#endif +#ifndef MAKE_THREAD_CPUCLOCK +#define MAKE_THREAD_CPUCLOCK(tid, clock) \ + ((~(int)(tid) << 3) | (int)((clock) | CPUCLOCK_PERTHREAD_MASK)) +#endif + +#ifndef FUTEX_WAIT +#define FUTEX_WAIT 0 +#endif +#ifndef FUTEX_WAKE +#define FUTEX_WAKE 1 +#endif +#ifndef FUTEX_FD +#define FUTEX_FD 2 +#endif +#ifndef FUTEX_REQUEUE +#define FUTEX_REQUEUE 3 +#endif +#ifndef FUTEX_CMP_REQUEUE +#define FUTEX_CMP_REQUEUE 4 +#endif +#ifndef FUTEX_WAKE_OP +#define FUTEX_WAKE_OP 5 +#endif +#ifndef FUTEX_LOCK_PI +#define FUTEX_LOCK_PI 6 +#endif +#ifndef FUTEX_UNLOCK_PI +#define FUTEX_UNLOCK_PI 7 +#endif +#ifndef FUTEX_TRYLOCK_PI +#define FUTEX_TRYLOCK_PI 8 +#endif +#ifndef FUTEX_PRIVATE_FLAG +#define FUTEX_PRIVATE_FLAG 128 +#endif +#ifndef FUTEX_CMD_MASK +#define FUTEX_CMD_MASK ~FUTEX_PRIVATE_FLAG +#endif +#ifndef FUTEX_WAIT_PRIVATE +#define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG) +#endif +#ifndef FUTEX_WAKE_PRIVATE +#define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG) +#endif +#ifndef FUTEX_REQUEUE_PRIVATE +#define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG) +#endif +#ifndef FUTEX_CMP_REQUEUE_PRIVATE +#define FUTEX_CMP_REQUEUE_PRIVATE (FUTEX_CMP_REQUEUE | FUTEX_PRIVATE_FLAG) +#endif +#ifndef FUTEX_WAKE_OP_PRIVATE +#define FUTEX_WAKE_OP_PRIVATE (FUTEX_WAKE_OP | FUTEX_PRIVATE_FLAG) +#endif +#ifndef FUTEX_LOCK_PI_PRIVATE +#define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG) +#endif +#ifndef FUTEX_UNLOCK_PI_PRIVATE +#define FUTEX_UNLOCK_PI_PRIVATE (FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG) +#endif +#ifndef FUTEX_TRYLOCK_PI_PRIVATE +#define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG) +#endif + + +#if defined(__x86_64__) +#ifndef ARCH_SET_GS +#define ARCH_SET_GS 0x1001 +#endif +#ifndef ARCH_GET_GS +#define ARCH_GET_GS 0x1004 +#endif +#endif + +#if defined(__i386__) +#ifndef __NR_quotactl +#define __NR_quotactl 131 +#endif +#ifndef __NR_setresuid +#define __NR_setresuid 164 +#define __NR_getresuid 165 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#endif +#ifndef __NR_rt_sigaction +#define __NR_rt_sigreturn 173 +#define __NR_rt_sigaction 174 +#define __NR_rt_sigprocmask 175 +#define __NR_rt_sigpending 176 +#define __NR_rt_sigsuspend 179 +#endif +#ifndef __NR_pread64 +#define __NR_pread64 180 +#endif +#ifndef __NR_pwrite64 +#define __NR_pwrite64 181 +#endif +#ifndef __NR_ugetrlimit +#define __NR_ugetrlimit 191 +#endif +#ifndef __NR_stat64 +#define __NR_stat64 195 +#endif +#ifndef __NR_fstat64 +#define __NR_fstat64 197 +#endif +#ifndef __NR_setresuid32 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#endif +#ifndef __NR_setfsuid32 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#endif +#ifndef __NR_getdents64 +#define __NR_getdents64 220 +#endif +#ifndef __NR_gettid +#define __NR_gettid 224 +#endif +#ifndef __NR_readahead +#define __NR_readahead 225 +#endif +#ifndef __NR_setxattr +#define __NR_setxattr 226 +#endif +#ifndef __NR_lsetxattr +#define __NR_lsetxattr 227 +#endif +#ifndef __NR_getxattr +#define __NR_getxattr 229 +#endif +#ifndef __NR_lgetxattr +#define __NR_lgetxattr 230 +#endif +#ifndef __NR_listxattr +#define __NR_listxattr 232 +#endif +#ifndef __NR_llistxattr +#define __NR_llistxattr 233 +#endif +#ifndef __NR_tkill +#define __NR_tkill 238 +#endif +#ifndef __NR_futex +#define __NR_futex 240 +#endif +#ifndef __NR_sched_setaffinity +#define __NR_sched_setaffinity 241 +#define __NR_sched_getaffinity 242 +#endif +#ifndef __NR_set_tid_address +#define __NR_set_tid_address 258 +#endif +#ifndef __NR_clock_gettime +#define __NR_clock_gettime 265 +#endif +#ifndef __NR_clock_getres +#define __NR_clock_getres 266 +#endif +#ifndef __NR_statfs64 +#define __NR_statfs64 268 +#endif +#ifndef __NR_fstatfs64 +#define __NR_fstatfs64 269 +#endif +#ifndef __NR_fadvise64_64 +#define __NR_fadvise64_64 272 +#endif +#ifndef __NR_ioprio_set +#define __NR_ioprio_set 289 +#endif +#ifndef __NR_ioprio_get +#define __NR_ioprio_get 290 +#endif +#ifndef __NR_openat +#define __NR_openat 295 +#endif +#ifndef __NR_fstatat64 +#define __NR_fstatat64 300 +#endif +#ifndef __NR_unlinkat +#define __NR_unlinkat 301 +#endif +#ifndef __NR_move_pages +#define __NR_move_pages 317 +#endif +#ifndef __NR_getcpu +#define __NR_getcpu 318 +#endif +#ifndef __NR_fallocate +#define __NR_fallocate 324 +#endif +/* End of i386 definitions */ +#elif defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) +#ifndef __NR_setresuid +#define __NR_setresuid (__NR_SYSCALL_BASE + 164) +#define __NR_getresuid (__NR_SYSCALL_BASE + 165) +#define __NR_setresgid (__NR_SYSCALL_BASE + 170) +#define __NR_getresgid (__NR_SYSCALL_BASE + 171) +#endif +#ifndef __NR_rt_sigaction +#define __NR_rt_sigreturn (__NR_SYSCALL_BASE + 173) +#define __NR_rt_sigaction (__NR_SYSCALL_BASE + 174) +#define __NR_rt_sigprocmask (__NR_SYSCALL_BASE + 175) +#define __NR_rt_sigpending (__NR_SYSCALL_BASE + 176) +#define __NR_rt_sigsuspend (__NR_SYSCALL_BASE + 179) +#endif +#ifndef __NR_pread64 +#define __NR_pread64 (__NR_SYSCALL_BASE + 180) +#endif +#ifndef __NR_pwrite64 +#define __NR_pwrite64 (__NR_SYSCALL_BASE + 181) +#endif +#ifndef __NR_ugetrlimit +#define __NR_ugetrlimit (__NR_SYSCALL_BASE + 191) +#endif +#ifndef __NR_stat64 +#define __NR_stat64 (__NR_SYSCALL_BASE + 195) +#endif +#ifndef __NR_fstat64 +#define __NR_fstat64 (__NR_SYSCALL_BASE + 197) +#endif +#ifndef __NR_setresuid32 +#define __NR_setresuid32 (__NR_SYSCALL_BASE + 208) +#define __NR_getresuid32 (__NR_SYSCALL_BASE + 209) +#define __NR_setresgid32 (__NR_SYSCALL_BASE + 210) +#define __NR_getresgid32 (__NR_SYSCALL_BASE + 211) +#endif +#ifndef __NR_setfsuid32 +#define __NR_setfsuid32 (__NR_SYSCALL_BASE + 215) +#define __NR_setfsgid32 (__NR_SYSCALL_BASE + 216) +#endif +#ifndef __NR_getdents64 +#define __NR_getdents64 (__NR_SYSCALL_BASE + 217) +#endif +#ifndef __NR_gettid +#define __NR_gettid (__NR_SYSCALL_BASE + 224) +#endif +#ifndef __NR_readahead +#define __NR_readahead (__NR_SYSCALL_BASE + 225) +#endif +#ifndef __NR_setxattr +#define __NR_setxattr (__NR_SYSCALL_BASE + 226) +#endif +#ifndef __NR_lsetxattr +#define __NR_lsetxattr (__NR_SYSCALL_BASE + 227) +#endif +#ifndef __NR_getxattr +#define __NR_getxattr (__NR_SYSCALL_BASE + 229) +#endif +#ifndef __NR_lgetxattr +#define __NR_lgetxattr (__NR_SYSCALL_BASE + 230) +#endif +#ifndef __NR_listxattr +#define __NR_listxattr (__NR_SYSCALL_BASE + 232) +#endif +#ifndef __NR_llistxattr +#define __NR_llistxattr (__NR_SYSCALL_BASE + 233) +#endif +#ifndef __NR_tkill +#define __NR_tkill (__NR_SYSCALL_BASE + 238) +#endif +#ifndef __NR_futex +#define __NR_futex (__NR_SYSCALL_BASE + 240) +#endif +#ifndef __NR_sched_setaffinity +#define __NR_sched_setaffinity (__NR_SYSCALL_BASE + 241) +#define __NR_sched_getaffinity (__NR_SYSCALL_BASE + 242) +#endif +#ifndef __NR_set_tid_address +#define __NR_set_tid_address (__NR_SYSCALL_BASE + 256) +#endif +#ifndef __NR_clock_gettime +#define __NR_clock_gettime (__NR_SYSCALL_BASE + 263) +#endif +#ifndef __NR_clock_getres +#define __NR_clock_getres (__NR_SYSCALL_BASE + 264) +#endif +#ifndef __NR_statfs64 +#define __NR_statfs64 (__NR_SYSCALL_BASE + 266) +#endif +#ifndef __NR_fstatfs64 +#define __NR_fstatfs64 (__NR_SYSCALL_BASE + 267) +#endif +#ifndef __NR_ioprio_set +#define __NR_ioprio_set (__NR_SYSCALL_BASE + 314) +#endif +#ifndef __NR_ioprio_get +#define __NR_ioprio_get (__NR_SYSCALL_BASE + 315) +#endif +#ifndef __NR_move_pages +#define __NR_move_pages (__NR_SYSCALL_BASE + 344) +#endif +#ifndef __NR_getcpu +#define __NR_getcpu (__NR_SYSCALL_BASE + 345) +#endif +/* End of ARM 3/EABI definitions */ +#elif defined(__x86_64__) +#ifndef __NR_pread64 +#define __NR_pread64 17 +#endif +#ifndef __NR_pwrite64 +#define __NR_pwrite64 18 +#endif +#ifndef __NR_setresuid +#define __NR_setresuid 117 +#define __NR_getresuid 118 +#define __NR_setresgid 119 +#define __NR_getresgid 120 +#endif +#ifndef __NR_quotactl +#define __NR_quotactl 179 +#endif +#ifndef __NR_gettid +#define __NR_gettid 186 +#endif +#ifndef __NR_readahead +#define __NR_readahead 187 +#endif +#ifndef __NR_setxattr +#define __NR_setxattr 188 +#endif +#ifndef __NR_lsetxattr +#define __NR_lsetxattr 189 +#endif +#ifndef __NR_getxattr +#define __NR_getxattr 191 +#endif +#ifndef __NR_lgetxattr +#define __NR_lgetxattr 192 +#endif +#ifndef __NR_listxattr +#define __NR_listxattr 194 +#endif +#ifndef __NR_llistxattr +#define __NR_llistxattr 195 +#endif +#ifndef __NR_tkill +#define __NR_tkill 200 +#endif +#ifndef __NR_futex +#define __NR_futex 202 +#endif +#ifndef __NR_sched_setaffinity +#define __NR_sched_setaffinity 203 +#define __NR_sched_getaffinity 204 +#endif +#ifndef __NR_getdents64 +#define __NR_getdents64 217 +#endif +#ifndef __NR_set_tid_address +#define __NR_set_tid_address 218 +#endif +#ifndef __NR_fadvise64 +#define __NR_fadvise64 221 +#endif +#ifndef __NR_clock_gettime +#define __NR_clock_gettime 228 +#endif +#ifndef __NR_clock_getres +#define __NR_clock_getres 229 +#endif +#ifndef __NR_ioprio_set +#define __NR_ioprio_set 251 +#endif +#ifndef __NR_ioprio_get +#define __NR_ioprio_get 252 +#endif +#ifndef __NR_openat +#define __NR_openat 257 +#endif +#ifndef __NR_newfstatat +#define __NR_newfstatat 262 +#endif +#ifndef __NR_unlinkat +#define __NR_unlinkat 263 +#endif +#ifndef __NR_move_pages +#define __NR_move_pages 279 +#endif +#ifndef __NR_fallocate +#define __NR_fallocate 285 +#endif +/* End of x86-64 definitions */ +#elif defined(__mips__) +#if _MIPS_SIM == _MIPS_SIM_ABI32 +#ifndef __NR_setresuid +#define __NR_setresuid (__NR_Linux + 185) +#define __NR_getresuid (__NR_Linux + 186) +#define __NR_setresgid (__NR_Linux + 190) +#define __NR_getresgid (__NR_Linux + 191) +#endif +#ifndef __NR_rt_sigaction +#define __NR_rt_sigreturn (__NR_Linux + 193) +#define __NR_rt_sigaction (__NR_Linux + 194) +#define __NR_rt_sigprocmask (__NR_Linux + 195) +#define __NR_rt_sigpending (__NR_Linux + 196) +#define __NR_rt_sigsuspend (__NR_Linux + 199) +#endif +#ifndef __NR_pread64 +#define __NR_pread64 (__NR_Linux + 200) +#endif +#ifndef __NR_pwrite64 +#define __NR_pwrite64 (__NR_Linux + 201) +#endif +#ifndef __NR_stat64 +#define __NR_stat64 (__NR_Linux + 213) +#endif +#ifndef __NR_fstat64 +#define __NR_fstat64 (__NR_Linux + 215) +#endif +#ifndef __NR_getdents64 +#define __NR_getdents64 (__NR_Linux + 219) +#endif +#ifndef __NR_gettid +#define __NR_gettid (__NR_Linux + 222) +#endif +#ifndef __NR_readahead +#define __NR_readahead (__NR_Linux + 223) +#endif +#ifndef __NR_setxattr +#define __NR_setxattr (__NR_Linux + 224) +#endif +#ifndef __NR_lsetxattr +#define __NR_lsetxattr (__NR_Linux + 225) +#endif +#ifndef __NR_getxattr +#define __NR_getxattr (__NR_Linux + 227) +#endif +#ifndef __NR_lgetxattr +#define __NR_lgetxattr (__NR_Linux + 228) +#endif +#ifndef __NR_listxattr +#define __NR_listxattr (__NR_Linux + 230) +#endif +#ifndef __NR_llistxattr +#define __NR_llistxattr (__NR_Linux + 231) +#endif +#ifndef __NR_tkill +#define __NR_tkill (__NR_Linux + 236) +#endif +#ifndef __NR_futex +#define __NR_futex (__NR_Linux + 238) +#endif +#ifndef __NR_sched_setaffinity +#define __NR_sched_setaffinity (__NR_Linux + 239) +#define __NR_sched_getaffinity (__NR_Linux + 240) +#endif +#ifndef __NR_set_tid_address +#define __NR_set_tid_address (__NR_Linux + 252) +#endif +#ifndef __NR_statfs64 +#define __NR_statfs64 (__NR_Linux + 255) +#endif +#ifndef __NR_fstatfs64 +#define __NR_fstatfs64 (__NR_Linux + 256) +#endif +#ifndef __NR_clock_gettime +#define __NR_clock_gettime (__NR_Linux + 263) +#endif +#ifndef __NR_clock_getres +#define __NR_clock_getres (__NR_Linux + 264) +#endif +#ifndef __NR_openat +#define __NR_openat (__NR_Linux + 288) +#endif +#ifndef __NR_fstatat +#define __NR_fstatat (__NR_Linux + 293) +#endif +#ifndef __NR_unlinkat +#define __NR_unlinkat (__NR_Linux + 294) +#endif +#ifndef __NR_move_pages +#define __NR_move_pages (__NR_Linux + 308) +#endif +#ifndef __NR_getcpu +#define __NR_getcpu (__NR_Linux + 312) +#endif +#ifndef __NR_ioprio_set +#define __NR_ioprio_set (__NR_Linux + 314) +#endif +#ifndef __NR_ioprio_get +#define __NR_ioprio_get (__NR_Linux + 315) +#endif +/* End of MIPS (old 32bit API) definitions */ +#elif _MIPS_SIM == _MIPS_SIM_ABI64 +#ifndef __NR_pread64 +#define __NR_pread64 (__NR_Linux + 16) +#endif +#ifndef __NR_pwrite64 +#define __NR_pwrite64 (__NR_Linux + 17) +#endif +#ifndef __NR_setresuid +#define __NR_setresuid (__NR_Linux + 115) +#define __NR_getresuid (__NR_Linux + 116) +#define __NR_setresgid (__NR_Linux + 117) +#define __NR_getresgid (__NR_Linux + 118) +#endif +#ifndef __NR_gettid +#define __NR_gettid (__NR_Linux + 178) +#endif +#ifndef __NR_readahead +#define __NR_readahead (__NR_Linux + 179) +#endif +#ifndef __NR_setxattr +#define __NR_setxattr (__NR_Linux + 180) +#endif +#ifndef __NR_lsetxattr +#define __NR_lsetxattr (__NR_Linux + 181) +#endif +#ifndef __NR_getxattr +#define __NR_getxattr (__NR_Linux + 183) +#endif +#ifndef __NR_lgetxattr +#define __NR_lgetxattr (__NR_Linux + 184) +#endif +#ifndef __NR_listxattr +#define __NR_listxattr (__NR_Linux + 186) +#endif +#ifndef __NR_llistxattr +#define __NR_llistxattr (__NR_Linux + 187) +#endif +#ifndef __NR_tkill +#define __NR_tkill (__NR_Linux + 192) +#endif +#ifndef __NR_futex +#define __NR_futex (__NR_Linux + 194) +#endif +#ifndef __NR_sched_setaffinity +#define __NR_sched_setaffinity (__NR_Linux + 195) +#define __NR_sched_getaffinity (__NR_Linux + 196) +#endif +#ifndef __NR_set_tid_address +#define __NR_set_tid_address (__NR_Linux + 212) +#endif +#ifndef __NR_clock_gettime +#define __NR_clock_gettime (__NR_Linux + 222) +#endif +#ifndef __NR_clock_getres +#define __NR_clock_getres (__NR_Linux + 223) +#endif +#ifndef __NR_openat +#define __NR_openat (__NR_Linux + 247) +#endif +#ifndef __NR_fstatat +#define __NR_fstatat (__NR_Linux + 252) +#endif +#ifndef __NR_unlinkat +#define __NR_unlinkat (__NR_Linux + 253) +#endif +#ifndef __NR_move_pages +#define __NR_move_pages (__NR_Linux + 267) +#endif +#ifndef __NR_getcpu +#define __NR_getcpu (__NR_Linux + 271) +#endif +#ifndef __NR_ioprio_set +#define __NR_ioprio_set (__NR_Linux + 273) +#endif +#ifndef __NR_ioprio_get +#define __NR_ioprio_get (__NR_Linux + 274) +#endif +/* End of MIPS (64bit API) definitions */ +#else +#ifndef __NR_setresuid +#define __NR_setresuid (__NR_Linux + 115) +#define __NR_getresuid (__NR_Linux + 116) +#define __NR_setresgid (__NR_Linux + 117) +#define __NR_getresgid (__NR_Linux + 118) +#endif +#ifndef __NR_gettid +#define __NR_gettid (__NR_Linux + 178) +#endif +#ifndef __NR_readahead +#define __NR_readahead (__NR_Linux + 179) +#endif +#ifndef __NR_setxattr +#define __NR_setxattr (__NR_Linux + 180) +#endif +#ifndef __NR_lsetxattr +#define __NR_lsetxattr (__NR_Linux + 181) +#endif +#ifndef __NR_getxattr +#define __NR_getxattr (__NR_Linux + 183) +#endif +#ifndef __NR_lgetxattr +#define __NR_lgetxattr (__NR_Linux + 184) +#endif +#ifndef __NR_listxattr +#define __NR_listxattr (__NR_Linux + 186) +#endif +#ifndef __NR_llistxattr +#define __NR_llistxattr (__NR_Linux + 187) +#endif +#ifndef __NR_tkill +#define __NR_tkill (__NR_Linux + 192) +#endif +#ifndef __NR_futex +#define __NR_futex (__NR_Linux + 194) +#endif +#ifndef __NR_sched_setaffinity +#define __NR_sched_setaffinity (__NR_Linux + 195) +#define __NR_sched_getaffinity (__NR_Linux + 196) +#endif +#ifndef __NR_set_tid_address +#define __NR_set_tid_address (__NR_Linux + 213) +#endif +#ifndef __NR_statfs64 +#define __NR_statfs64 (__NR_Linux + 217) +#endif +#ifndef __NR_fstatfs64 +#define __NR_fstatfs64 (__NR_Linux + 218) +#endif +#ifndef __NR_clock_gettime +#define __NR_clock_gettime (__NR_Linux + 226) +#endif +#ifndef __NR_clock_getres +#define __NR_clock_getres (__NR_Linux + 227) +#endif +#ifndef __NR_openat +#define __NR_openat (__NR_Linux + 251) +#endif +#ifndef __NR_fstatat +#define __NR_fstatat (__NR_Linux + 256) +#endif +#ifndef __NR_unlinkat +#define __NR_unlinkat (__NR_Linux + 257) +#endif +#ifndef __NR_move_pages +#define __NR_move_pages (__NR_Linux + 271) +#endif +#ifndef __NR_getcpu +#define __NR_getcpu (__NR_Linux + 275) +#endif +#ifndef __NR_ioprio_set +#define __NR_ioprio_set (__NR_Linux + 277) +#endif +#ifndef __NR_ioprio_get +#define __NR_ioprio_get (__NR_Linux + 278) +#endif +/* End of MIPS (new 32bit API) definitions */ +#endif +/* End of MIPS definitions */ +#elif defined(__PPC__) +#ifndef __NR_setfsuid +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#endif +#ifndef __NR_setresuid +#define __NR_setresuid 164 +#define __NR_getresuid 165 +#define __NR_setresgid 169 +#define __NR_getresgid 170 +#endif +#ifndef __NR_rt_sigaction +#define __NR_rt_sigreturn 172 +#define __NR_rt_sigaction 173 +#define __NR_rt_sigprocmask 174 +#define __NR_rt_sigpending 175 +#define __NR_rt_sigsuspend 178 +#endif +#ifndef __NR_pread64 +#define __NR_pread64 179 +#endif +#ifndef __NR_pwrite64 +#define __NR_pwrite64 180 +#endif +#ifndef __NR_ugetrlimit +#define __NR_ugetrlimit 190 +#endif +#ifndef __NR_readahead +#define __NR_readahead 191 +#endif +#ifndef __NR_stat64 +#define __NR_stat64 195 +#endif +#ifndef __NR_fstat64 +#define __NR_fstat64 197 +#endif +#ifndef __NR_getdents64 +#define __NR_getdents64 202 +#endif +#ifndef __NR_gettid +#define __NR_gettid 207 +#endif +#ifndef __NR_tkill +#define __NR_tkill 208 +#endif +#ifndef __NR_setxattr +#define __NR_setxattr 209 +#endif +#ifndef __NR_lsetxattr +#define __NR_lsetxattr 210 +#endif +#ifndef __NR_getxattr +#define __NR_getxattr 212 +#endif +#ifndef __NR_lgetxattr +#define __NR_lgetxattr 213 +#endif +#ifndef __NR_listxattr +#define __NR_listxattr 215 +#endif +#ifndef __NR_llistxattr +#define __NR_llistxattr 216 +#endif +#ifndef __NR_futex +#define __NR_futex 221 +#endif +#ifndef __NR_sched_setaffinity +#define __NR_sched_setaffinity 222 +#define __NR_sched_getaffinity 223 +#endif +#ifndef __NR_set_tid_address +#define __NR_set_tid_address 232 +#endif +#ifndef __NR_clock_gettime +#define __NR_clock_gettime 246 +#endif +#ifndef __NR_clock_getres +#define __NR_clock_getres 247 +#endif +#ifndef __NR_statfs64 +#define __NR_statfs64 252 +#endif +#ifndef __NR_fstatfs64 +#define __NR_fstatfs64 253 +#endif +#ifndef __NR_fadvise64_64 +#define __NR_fadvise64_64 254 +#endif +#ifndef __NR_ioprio_set +#define __NR_ioprio_set 273 +#endif +#ifndef __NR_ioprio_get +#define __NR_ioprio_get 274 +#endif +#ifndef __NR_openat +#define __NR_openat 286 +#endif +#ifndef __NR_fstatat64 +#define __NR_fstatat64 291 +#endif +#ifndef __NR_unlinkat +#define __NR_unlinkat 292 +#endif +#ifndef __NR_move_pages +#define __NR_move_pages 301 +#endif +#ifndef __NR_getcpu +#define __NR_getcpu 302 +#endif +/* End of powerpc defininitions */ +#endif + + +/* After forking, we must make sure to only call system calls. */ +#if defined(__BOUNDED_POINTERS__) + #error "Need to port invocations of syscalls for bounded ptrs" +#else + /* The core dumper and the thread lister get executed after threads + * have been suspended. As a consequence, we cannot call any functions + * that acquire locks. Unfortunately, libc wraps most system calls + * (e.g. in order to implement pthread_atfork, and to make calls + * cancellable), which means we cannot call these functions. Instead, + * we have to call syscall() directly. + */ + #undef LSS_ERRNO + #ifdef SYS_ERRNO + /* Allow the including file to override the location of errno. This can + * be useful when using clone() with the CLONE_VM option. + */ + #define LSS_ERRNO SYS_ERRNO + #else + #define LSS_ERRNO errno + #endif + + #undef LSS_INLINE + #ifdef SYS_INLINE + #define LSS_INLINE SYS_INLINE + #else + #define LSS_INLINE static inline + #endif + + /* Allow the including file to override the prefix used for all new + * system calls. By default, it will be set to "sys_". + */ + #undef LSS_NAME + #ifndef SYS_PREFIX + #define LSS_NAME(name) sys_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX < 0 + #define LSS_NAME(name) name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 0 + #define LSS_NAME(name) sys0_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 1 + #define LSS_NAME(name) sys1_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 2 + #define LSS_NAME(name) sys2_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 3 + #define LSS_NAME(name) sys3_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 4 + #define LSS_NAME(name) sys4_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 5 + #define LSS_NAME(name) sys5_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 6 + #define LSS_NAME(name) sys6_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 7 + #define LSS_NAME(name) sys7_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 8 + #define LSS_NAME(name) sys8_##name + #elif defined(SYS_PREFIX) && SYS_PREFIX == 9 + #define LSS_NAME(name) sys9_##name + #endif + + #undef LSS_RETURN + #if (defined(__i386__) || defined(__x86_64__) || defined(__ARM_ARCH_3__) \ + || defined(__ARM_EABI__)) + /* Failing system calls return a negative result in the range of + * -1..-4095. These are "errno" values with the sign inverted. + */ + #define LSS_RETURN(type, res) \ + do { \ + if ((unsigned long)(res) >= (unsigned long)(-4095)) { \ + LSS_ERRNO = -(res); \ + res = -1; \ + } \ + return (type) (res); \ + } while (0) + #elif defined(__mips__) + /* On MIPS, failing system calls return -1, and set errno in a + * separate CPU register. + */ + #define LSS_RETURN(type, res, err) \ + do { \ + if (err) { \ + unsigned long __errnovalue = (res); \ + LSS_ERRNO = __errnovalue; \ + res = -1; \ + } \ + return (type) (res); \ + } while (0) + #elif defined(__PPC__) + /* On PPC, failing system calls return -1, and set errno in a + * separate CPU register. See linux/unistd.h. + */ + #define LSS_RETURN(type, res, err) \ + do { \ + if (err & 0x10000000 ) { \ + LSS_ERRNO = (res); \ + res = -1; \ + } \ + return (type) (res); \ + } while (0) + #endif + #if defined(__i386__) + /* In PIC mode (e.g. when building shared libraries), gcc for i386 + * reserves ebx. Unfortunately, most distribution ship with implementations + * of _syscallX() which clobber ebx. + * Also, most definitions of _syscallX() neglect to mark "memory" as being + * clobbered. This causes problems with compilers, that do a better job + * at optimizing across __asm__ calls. + * So, we just have to redefine all of the _syscallX() macros. + */ + #undef LSS_ENTRYPOINT + #ifdef SYS_SYSCALL_ENTRYPOINT + static inline void (**LSS_NAME(get_syscall_entrypoint)(void))(void) { + void (**entrypoint)(void); + asm volatile(".bss\n" + ".align 8\n" + ".globl "SYS_SYSCALL_ENTRYPOINT"\n" + ".common "SYS_SYSCALL_ENTRYPOINT",8,8\n" + ".previous\n" + /* This logically does 'lea "SYS_SYSCALL_ENTRYPOINT", %0' */ + "call 0f\n" + "0:pop %0\n" + "add $_GLOBAL_OFFSET_TABLE_+[.-0b], %0\n" + "mov "SYS_SYSCALL_ENTRYPOINT"@GOT(%0), %0\n" + : "=r"(entrypoint)); + return entrypoint; + } + + #define LSS_ENTRYPOINT ".bss\n" \ + ".align 8\n" \ + ".globl "SYS_SYSCALL_ENTRYPOINT"\n" \ + ".common "SYS_SYSCALL_ENTRYPOINT",8,8\n" \ + ".previous\n" \ + /* Check the SYS_SYSCALL_ENTRYPOINT vector */ \ + "push %%eax\n" \ + "call 10000f\n" \ + "10000:pop %%eax\n" \ + "add $_GLOBAL_OFFSET_TABLE_+[.-10000b], %%eax\n" \ + "mov "SYS_SYSCALL_ENTRYPOINT"@GOT(%%eax), %%eax\n"\ + "mov 0(%%eax), %%eax\n" \ + "test %%eax, %%eax\n" \ + "jz 10002f\n" \ + "push %%eax\n" \ + "call 10001f\n" \ + "10001:pop %%eax\n" \ + "add $(10003f-10001b), %%eax\n" \ + "xchg 4(%%esp), %%eax\n" \ + "ret\n" \ + "10002:pop %%eax\n" \ + "int $0x80\n" \ + "10003:\n" + #else + #define LSS_ENTRYPOINT "int $0x80\n" + #endif + #undef LSS_BODY + #define LSS_BODY(type,args...) \ + long __res; \ + __asm__ __volatile__("push %%ebx\n" \ + "movl %2,%%ebx\n" \ + LSS_ENTRYPOINT \ + "pop %%ebx" \ + args \ + : "esp", "memory"); \ + LSS_RETURN(type,__res) + #undef _syscall0 + #define _syscall0(type,name) \ + type LSS_NAME(name)(void) { \ + long __res; \ + __asm__ volatile(LSS_ENTRYPOINT \ + : "=a" (__res) \ + : "0" (__NR_##name) \ + : "esp", "memory"); \ + LSS_RETURN(type,__res); \ + } + #undef _syscall1 + #define _syscall1(type,name,type1,arg1) \ + type LSS_NAME(name)(type1 arg1) { \ + LSS_BODY(type, \ + : "=a" (__res) \ + : "0" (__NR_##name), "ri" ((long)(arg1))); \ + } + #undef _syscall2 + #define _syscall2(type,name,type1,arg1,type2,arg2) \ + type LSS_NAME(name)(type1 arg1,type2 arg2) { \ + LSS_BODY(type, \ + : "=a" (__res) \ + : "0" (__NR_##name),"ri" ((long)(arg1)), "c" ((long)(arg2))); \ + } + #undef _syscall3 + #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ + type LSS_NAME(name)(type1 arg1,type2 arg2,type3 arg3) { \ + LSS_BODY(type, \ + : "=a" (__res) \ + : "0" (__NR_##name), "ri" ((long)(arg1)), "c" ((long)(arg2)), \ + "d" ((long)(arg3))); \ + } + #undef _syscall4 + #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + LSS_BODY(type, \ + : "=a" (__res) \ + : "0" (__NR_##name), "ri" ((long)(arg1)), "c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4))); \ + } + #undef _syscall5 + #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) { \ + long __res; \ + __asm__ __volatile__("push %%ebx\n" \ + "movl %2,%%ebx\n" \ + "movl %1,%%eax\n" \ + LSS_ENTRYPOINT \ + "pop %%ebx" \ + : "=a" (__res) \ + : "i" (__NR_##name), "ri" ((long)(arg1)), \ + "c" ((long)(arg2)), "d" ((long)(arg3)), \ + "S" ((long)(arg4)), "D" ((long)(arg5)) \ + : "esp", "memory"); \ + LSS_RETURN(type,__res); \ + } + #undef _syscall6 + #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5,type6,arg6) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5, type6 arg6) { \ + long __res; \ + struct { long __a1; long __a6; } __s = { (long)arg1, (long) arg6 }; \ + __asm__ __volatile__("push %%ebp\n" \ + "push %%ebx\n" \ + "movl 4(%2),%%ebp\n" \ + "movl 0(%2), %%ebx\n" \ + "movl %1,%%eax\n" \ + LSS_ENTRYPOINT \ + "pop %%ebx\n" \ + "pop %%ebp" \ + : "=a" (__res) \ + : "i" (__NR_##name), "0" ((long)(&__s)), \ + "c" ((long)(arg2)), "d" ((long)(arg3)), \ + "S" ((long)(arg4)), "D" ((long)(arg5)) \ + : "esp", "memory"); \ + LSS_RETURN(type,__res); \ + } + LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, + int flags, void *arg, int *parent_tidptr, + void *newtls, int *child_tidptr) { + long __res; + __asm__ __volatile__(/* if (fn == NULL) + * return -EINVAL; + */ + "movl %3,%%ecx\n" + "jecxz 1f\n" + + /* if (child_stack == NULL) + * return -EINVAL; + */ + "movl %4,%%ecx\n" + "jecxz 1f\n" + + /* Set up alignment of the child stack: + * child_stack = (child_stack & ~0xF) - 20; + */ + "andl $-16,%%ecx\n" + "subl $20,%%ecx\n" + + /* Push "arg" and "fn" onto the stack that will be + * used by the child. + */ + "movl %6,%%eax\n" + "movl %%eax,4(%%ecx)\n" + "movl %3,%%eax\n" + "movl %%eax,(%%ecx)\n" + + /* %eax = syscall(%eax = __NR_clone, + * %ebx = flags, + * %ecx = child_stack, + * %edx = parent_tidptr, + * %esi = newtls, + * %edi = child_tidptr) + * Also, make sure that %ebx gets preserved as it is + * used in PIC mode. + */ + "movl %8,%%esi\n" + "movl %7,%%edx\n" + "movl %5,%%eax\n" + "movl %9,%%edi\n" + "pushl %%ebx\n" + "movl %%eax,%%ebx\n" + "movl %2,%%eax\n" + LSS_ENTRYPOINT + + /* In the parent: restore %ebx + * In the child: move "fn" into %ebx + */ + "popl %%ebx\n" + + /* if (%eax != 0) + * return %eax; + */ + "test %%eax,%%eax\n" + "jnz 1f\n" + + /* In the child, now. Terminate frame pointer chain. + */ + "movl $0,%%ebp\n" + + /* Call "fn". "arg" is already on the stack. + */ + "call *%%ebx\n" + + /* Call _exit(%ebx). Unfortunately older versions + * of gcc restrict the number of arguments that can + * be passed to asm(). So, we need to hard-code the + * system call number. + */ + "movl %%eax,%%ebx\n" + "movl $1,%%eax\n" + LSS_ENTRYPOINT + + /* Return to parent. + */ + "1:\n" + : "=a" (__res) + : "0"(-EINVAL), "i"(__NR_clone), + "m"(fn), "m"(child_stack), "m"(flags), "m"(arg), + "m"(parent_tidptr), "m"(newtls), "m"(child_tidptr) + : "esp", "memory", "ecx", "edx", "esi", "edi"); + LSS_RETURN(int, __res); + } + + #define __NR__fadvise64_64 __NR_fadvise64_64 + LSS_INLINE _syscall6(int, _fadvise64_64, int, fd, + unsigned, offset_lo, unsigned, offset_hi, + unsigned, len_lo, unsigned, len_hi, + int, advice) + + LSS_INLINE int LSS_NAME(fadvise64)(int fd, loff_t offset, + loff_t len, int advice) { + return LSS_NAME(_fadvise64_64)(fd, + (unsigned)offset, (unsigned)(offset >>32), + (unsigned)len, (unsigned)(len >> 32), + advice); + } + + #define __NR__fallocate __NR_fallocate + LSS_INLINE _syscall6(int, _fallocate, int, fd, + int, mode, + unsigned, offset_lo, unsigned, offset_hi, + unsigned, len_lo, unsigned, len_hi) + + LSS_INLINE int LSS_NAME(fallocate)(int fd, int mode, + loff_t offset, loff_t len) { + union { loff_t off; unsigned w[2]; } o = { offset }, l = { len }; + return LSS_NAME(_fallocate)(fd, mode, o.w[0], o.w[1], l.w[0], l.w[1]); + } + + LSS_INLINE _syscall1(int, set_thread_area, void *, u) + LSS_INLINE _syscall1(int, get_thread_area, void *, u) + + LSS_INLINE void (*LSS_NAME(restore_rt)(void))(void) { + /* On i386, the kernel does not know how to return from a signal + * handler. Instead, it relies on user space to provide a + * restorer function that calls the {rt_,}sigreturn() system call. + * Unfortunately, we cannot just reference the glibc version of this + * function, as glibc goes out of its way to make it inaccessible. + */ + void (*res)(void); + __asm__ __volatile__("call 2f\n" + "0:.align 16\n" + "1:movl %1,%%eax\n" + LSS_ENTRYPOINT + "2:popl %0\n" + "addl $(1b-0b),%0\n" + : "=a" (res) + : "i" (__NR_rt_sigreturn)); + return res; + } + LSS_INLINE void (*LSS_NAME(restore)(void))(void) { + /* On i386, the kernel does not know how to return from a signal + * handler. Instead, it relies on user space to provide a + * restorer function that calls the {rt_,}sigreturn() system call. + * Unfortunately, we cannot just reference the glibc version of this + * function, as glibc goes out of its way to make it inaccessible. + */ + void (*res)(void); + __asm__ __volatile__("call 2f\n" + "0:.align 16\n" + "1:pop %%eax\n" + "movl %1,%%eax\n" + LSS_ENTRYPOINT + "2:popl %0\n" + "addl $(1b-0b),%0\n" + : "=a" (res) + : "i" (__NR_sigreturn)); + return res; + } + #elif defined(__x86_64__) + /* There are no known problems with any of the _syscallX() macros + * currently shipping for x86_64, but we still need to be able to define + * our own version so that we can override the location of the errno + * location (e.g. when using the clone() system call with the CLONE_VM + * option). + */ + #undef LSS_ENTRYPOINT + #ifdef SYS_SYSCALL_ENTRYPOINT + static inline void (**LSS_NAME(get_syscall_entrypoint)(void))(void) { + void (**entrypoint)(void); + asm volatile(".bss\n" + ".align 8\n" + ".globl "SYS_SYSCALL_ENTRYPOINT"\n" + ".common "SYS_SYSCALL_ENTRYPOINT",8,8\n" + ".previous\n" + "mov "SYS_SYSCALL_ENTRYPOINT"@GOTPCREL(%%rip), %0\n" + : "=r"(entrypoint)); + return entrypoint; + } + + #define LSS_ENTRYPOINT \ + ".bss\n" \ + ".align 8\n" \ + ".globl "SYS_SYSCALL_ENTRYPOINT"\n" \ + ".common "SYS_SYSCALL_ENTRYPOINT",8,8\n" \ + ".previous\n" \ + "mov "SYS_SYSCALL_ENTRYPOINT"@GOTPCREL(%%rip), %%rcx\n" \ + "mov 0(%%rcx), %%rcx\n" \ + "test %%rcx, %%rcx\n" \ + "jz 10001f\n" \ + "call *%%rcx\n" \ + "jmp 10002f\n" \ + "10001:syscall\n" \ + "10002:\n" + + #else + #define LSS_ENTRYPOINT "syscall\n" + #endif + #undef LSS_BODY + #define LSS_BODY(type,name, ...) \ + long __res; \ + __asm__ __volatile__(LSS_ENTRYPOINT \ + : "=a" (__res) : "0" (__NR_##name), \ + ##__VA_ARGS__ : "r11", "rcx", "memory"); \ + LSS_RETURN(type, __res) + #undef _syscall0 + #define _syscall0(type,name) \ + type LSS_NAME(name)() { \ + LSS_BODY(type, name); \ + } + #undef _syscall1 + #define _syscall1(type,name,type1,arg1) \ + type LSS_NAME(name)(type1 arg1) { \ + LSS_BODY(type, name, "D" ((long)(arg1))); \ + } + #undef _syscall2 + #define _syscall2(type,name,type1,arg1,type2,arg2) \ + type LSS_NAME(name)(type1 arg1, type2 arg2) { \ + LSS_BODY(type, name, "D" ((long)(arg1)), "S" ((long)(arg2))); \ + } + #undef _syscall3 + #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ + LSS_BODY(type, name, "D" ((long)(arg1)), "S" ((long)(arg2)), \ + "d" ((long)(arg3))); \ + } + #undef _syscall4 + #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + long __res; \ + __asm__ __volatile__("movq %5,%%r10;" LSS_ENTRYPOINT : \ + "=a" (__res) : "0" (__NR_##name), \ + "D" ((long)(arg1)), "S" ((long)(arg2)), "d" ((long)(arg3)), \ + "r" ((long)(arg4)) : "r10", "r11", "rcx", "memory"); \ + LSS_RETURN(type, __res); \ + } + #undef _syscall5 + #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) { \ + long __res; \ + __asm__ __volatile__("movq %5,%%r10; movq %6,%%r8;" LSS_ENTRYPOINT :\ + "=a" (__res) : "0" (__NR_##name), \ + "D" ((long)(arg1)), "S" ((long)(arg2)), "d" ((long)(arg3)), \ + "r" ((long)(arg4)), "r" ((long)(arg5)) : \ + "r8", "r10", "r11", "rcx", "memory"); \ + LSS_RETURN(type, __res); \ + } + #undef _syscall6 + #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5,type6,arg6) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5, type6 arg6) { \ + long __res; \ + __asm__ __volatile__("movq %5,%%r10; movq %6,%%r8; movq %7,%%r9;" \ + LSS_ENTRYPOINT : \ + "=a" (__res) : "0" (__NR_##name), \ + "D" ((long)(arg1)), "S" ((long)(arg2)), "d" ((long)(arg3)), \ + "r" ((long)(arg4)), "r" ((long)(arg5)), "r" ((long)(arg6)) : \ + "r8", "r9", "r10", "r11", "rcx", "memory"); \ + LSS_RETURN(type, __res); \ + } + LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, + int flags, void *arg, int *parent_tidptr, + void *newtls, int *child_tidptr) { + long __res; + { + __asm__ __volatile__(/* if (fn == NULL) + * return -EINVAL; + */ + "testq %4,%4\n" + "jz 1f\n" + + /* if (child_stack == NULL) + * return -EINVAL; + */ + "testq %5,%5\n" + "jz 1f\n" + + /* childstack -= 2*sizeof(void *); + */ + "subq $16,%5\n" + + /* Push "arg" and "fn" onto the stack that will be + * used by the child. + */ + "movq %7,8(%5)\n" + "movq %4,0(%5)\n" + + /* %rax = syscall(%rax = __NR_clone, + * %rdi = flags, + * %rsi = child_stack, + * %rdx = parent_tidptr, + * %r8 = new_tls, + * %r10 = child_tidptr) + */ + "movq %2,%%rax\n" + "movq %9,%%r8\n" + "movq %10,%%r10\n" + LSS_ENTRYPOINT + + /* if (%rax != 0) + * return; + */ + "testq %%rax,%%rax\n" + "jnz 1f\n" + + /* In the child. Terminate frame pointer chain. + */ + "xorq %%rbp,%%rbp\n" + + /* Call "fn(arg)". + */ + "popq %%rax\n" + "popq %%rdi\n" + "call *%%rax\n" + + /* Call _exit(%ebx). + */ + "movq %%rax,%%rdi\n" + "movq %3,%%rax\n" + LSS_ENTRYPOINT + + /* Return to parent. + */ + "1:\n" + : "=a" (__res) + : "0"(-EINVAL), "i"(__NR_clone), "i"(__NR_exit), + "r"(fn), "S"(child_stack), "D"(flags), "r"(arg), + "d"(parent_tidptr), "r"(newtls), + "r"(child_tidptr) + : "rsp", "memory", "r8", "r10", "r11", "rcx"); + } + LSS_RETURN(int, __res); + } + LSS_INLINE _syscall2(int, arch_prctl, int, c, void *, a) + LSS_INLINE _syscall4(int, fadvise64, int, fd, loff_t, offset, loff_t, len, + int, advice) + + LSS_INLINE void (*LSS_NAME(restore_rt)(void))(void) { + /* On x86-64, the kernel does not know how to return from + * a signal handler. Instead, it relies on user space to provide a + * restorer function that calls the rt_sigreturn() system call. + * Unfortunately, we cannot just reference the glibc version of this + * function, as glibc goes out of its way to make it inaccessible. + */ + void (*res)(void); + __asm__ __volatile__("call 2f\n" + "0:.align 16\n" + "1:movq %1,%%rax\n" + LSS_ENTRYPOINT + "2:popq %0\n" + "addq $(1b-0b),%0\n" + : "=a" (res) + : "i" (__NR_rt_sigreturn)); + return res; + } + #elif defined(__ARM_ARCH_3__) + /* Most definitions of _syscallX() neglect to mark "memory" as being + * clobbered. This causes problems with compilers, that do a better job + * at optimizing across __asm__ calls. + * So, we just have to redefine all of the _syscallX() macros. + */ + #undef LSS_REG + #define LSS_REG(r,a) register long __r##r __asm__("r"#r) = (long)a + #undef LSS_BODY + #define LSS_BODY(type,name,args...) \ + register long __res_r0 __asm__("r0"); \ + long __res; \ + __asm__ __volatile__ (__syscall(name) \ + : "=r"(__res_r0) : args : "lr", "memory"); \ + __res = __res_r0; \ + LSS_RETURN(type, __res) + #undef _syscall0 + #define _syscall0(type, name) \ + type LSS_NAME(name)() { \ + LSS_BODY(type, name); \ + } + #undef _syscall1 + #define _syscall1(type, name, type1, arg1) \ + type LSS_NAME(name)(type1 arg1) { \ + LSS_REG(0, arg1); LSS_BODY(type, name, "r"(__r0)); \ + } + #undef _syscall2 + #define _syscall2(type, name, type1, arg1, type2, arg2) \ + type LSS_NAME(name)(type1 arg1, type2 arg2) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1)); \ + } + #undef _syscall3 + #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2)); \ + } + #undef _syscall4 + #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_REG(3, arg4); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3)); \ + } + #undef _syscall5 + #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_REG(3, arg4); LSS_REG(4, arg5); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ + "r"(__r4)); \ + } + #undef _syscall6 + #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5,type6,arg6) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5, type6 arg6) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_REG(3, arg4); LSS_REG(4, arg5); LSS_REG(5, arg6); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ + "r"(__r4), "r"(__r5)); \ + } + LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, + int flags, void *arg, int *parent_tidptr, + void *newtls, int *child_tidptr) { + long __res; + { + register int __flags __asm__("r0") = flags; + register void *__stack __asm__("r1") = child_stack; + register void *__ptid __asm__("r2") = parent_tidptr; + register void *__tls __asm__("r3") = newtls; + register int *__ctid __asm__("r4") = child_tidptr; + __asm__ __volatile__(/* if (fn == NULL || child_stack == NULL) + * return -EINVAL; + */ + "cmp %2,#0\n" + "cmpne %3,#0\n" + "moveq %0,%1\n" + "beq 1f\n" + + /* Push "arg" and "fn" onto the stack that will be + * used by the child. + */ + "str %5,[%3,#-4]!\n" + "str %2,[%3,#-4]!\n" + + /* %r0 = syscall(%r0 = flags, + * %r1 = child_stack, + * %r2 = parent_tidptr, + * %r3 = newtls, + * %r4 = child_tidptr) + */ + __syscall(clone)"\n" + + /* if (%r0 != 0) + * return %r0; + */ + "movs %0,r0\n" + "bne 1f\n" + + /* In the child, now. Call "fn(arg)". + */ + "ldr r0,[sp, #4]\n" + "mov lr,pc\n" + "ldr pc,[sp]\n" + + /* Call _exit(%r0). + */ + __syscall(exit)"\n" + "1:\n" + : "=r" (__res) + : "i"(-EINVAL), + "r"(fn), "r"(__stack), "r"(__flags), "r"(arg), + "r"(__ptid), "r"(__tls), "r"(__ctid) + : "cc", "lr", "memory"); + } + LSS_RETURN(int, __res); + } + #elif defined(__ARM_EABI__) + /* Most definitions of _syscallX() neglect to mark "memory" as being + * clobbered. This causes problems with compilers, that do a better job + * at optimizing across __asm__ calls. + * So, we just have to redefine all fo the _syscallX() macros. + */ + #undef LSS_REG + #define LSS_REG(r,a) register long __r##r __asm__("r"#r) = (long)a + #undef LSS_BODY + #define LSS_BODY(type,name,args...) \ + register long __res_r0 __asm__("r0"); \ + long __res; \ + __asm__ __volatile__ ("push {r7}\n" \ + "mov r7, %1\n" \ + "swi 0x0\n" \ + "pop {r7}\n" \ + : "=r"(__res_r0) \ + : "i"(__NR_##name) , ## args \ + : "lr", "memory"); \ + __res = __res_r0; \ + LSS_RETURN(type, __res) + #undef _syscall0 + #define _syscall0(type, name) \ + type LSS_NAME(name)() { \ + LSS_BODY(type, name); \ + } + #undef _syscall1 + #define _syscall1(type, name, type1, arg1) \ + type LSS_NAME(name)(type1 arg1) { \ + LSS_REG(0, arg1); LSS_BODY(type, name, "r"(__r0)); \ + } + #undef _syscall2 + #define _syscall2(type, name, type1, arg1, type2, arg2) \ + type LSS_NAME(name)(type1 arg1, type2 arg2) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1)); \ + } + #undef _syscall3 + #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2)); \ + } + #undef _syscall4 + #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_REG(3, arg4); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3)); \ + } + #undef _syscall5 + #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_REG(3, arg4); LSS_REG(4, arg5); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ + "r"(__r4)); \ + } + #undef _syscall6 + #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5,type6,arg6) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5, type6 arg6) { \ + LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ + LSS_REG(3, arg4); LSS_REG(4, arg5); LSS_REG(5, arg6); \ + LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ + "r"(__r4), "r"(__r5)); \ + } + LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, + int flags, void *arg, int *parent_tidptr, + void *newtls, int *child_tidptr) { + long __res; + { + register int __flags __asm__("r0") = flags; + register void *__stack __asm__("r1") = child_stack; + register void *__ptid __asm__("r2") = parent_tidptr; + register void *__tls __asm__("r3") = newtls; + register int *__ctid __asm__("r4") = child_tidptr; + __asm__ __volatile__(/* if (fn == NULL || child_stack == NULL) + * return -EINVAL; + */ + "cmp %2,#0\n" + "it ne\n" + "cmpne %3,#0\n" + "it eq\n" + "moveq %0,%1\n" + "beq 1f\n" + + /* Push "arg" and "fn" onto the stack that will be + * used by the child. + */ + "str %5,[%3,#-4]!\n" + "str %2,[%3,#-4]!\n" + + /* %r0 = syscall(%r0 = flags, + * %r1 = child_stack, + * %r2 = parent_tidptr, + * %r3 = newtls, + * %r4 = child_tidptr) + */ + "mov r7, %9\n" + "swi 0x0\n" + + /* if (%r0 != 0) + * return %r0; + */ + "movs %0,r0\n" + "bne 1f\n" + + /* In the child, now. Call "fn(arg)". + */ + "ldr r0,[sp, #4]\n" + + /* When compiling for Thumb-2 the "MOV LR,PC" here + * won't work because it loads PC+4 into LR, + * whereas the LDR is a 4-byte instruction. + * This results in the child thread always + * crashing with an "Illegal Instruction" when it + * returned into the middle of the LDR instruction + * The instruction sequence used instead was + * recommended by + * "https://wiki.edubuntu.org/ARM/Thumb2PortingHowto#Quick_Reference". + */ + #ifdef __thumb2__ + "ldr r7,[sp]\n" + "blx r7\n" + #else + "mov lr,pc\n" + "ldr pc,[sp]\n" + #endif + + /* Call _exit(%r0). + */ + "mov r7, %10\n" + "swi 0x0\n" + "1:\n" + : "=r" (__res) + : "i"(-EINVAL), + "r"(fn), "r"(__stack), "r"(__flags), "r"(arg), + "r"(__ptid), "r"(__tls), "r"(__ctid), + "i"(__NR_clone), "i"(__NR_exit) + : "cc", "r7", "lr", "memory"); + } + LSS_RETURN(int, __res); + } + #elif defined(__mips__) + #undef LSS_REG + #define LSS_REG(r,a) register unsigned long __r##r __asm__("$"#r) = \ + (unsigned long)(a) + #undef LSS_BODY + #define LSS_BODY(type,name,r7,...) \ + register unsigned long __v0 __asm__("$2") = __NR_##name; \ + __asm__ __volatile__ ("syscall\n" \ + : "+r"(__v0), r7 (__r7) \ + : "0"(__v0), ##__VA_ARGS__ \ + : "$8", "$9", "$10", "$11", "$12", \ + "$13", "$14", "$15", "$24", "$25", \ + "memory"); \ + LSS_RETURN(type, __v0, __r7) + #undef _syscall0 + #define _syscall0(type, name) \ + type LSS_NAME(name)() { \ + register unsigned long __r7 __asm__("$7"); \ + LSS_BODY(type, name, "=r"); \ + } + #undef _syscall1 + #define _syscall1(type, name, type1, arg1) \ + type LSS_NAME(name)(type1 arg1) { \ + register unsigned long __r7 __asm__("$7"); \ + LSS_REG(4, arg1); LSS_BODY(type, name, "=r", "r"(__r4)); \ + } + #undef _syscall2 + #define _syscall2(type, name, type1, arg1, type2, arg2) \ + type LSS_NAME(name)(type1 arg1, type2 arg2) { \ + register unsigned long __r7 __asm__("$7"); \ + LSS_REG(4, arg1); LSS_REG(5, arg2); \ + LSS_BODY(type, name, "=r", "r"(__r4), "r"(__r5)); \ + } + #undef _syscall3 + #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ + register unsigned long __r7 __asm__("$7"); \ + LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ + LSS_BODY(type, name, "=r", "r"(__r4), "r"(__r5), "r"(__r6)); \ + } + #undef _syscall4 + #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ + LSS_REG(7, arg4); \ + LSS_BODY(type, name, "+r", "r"(__r4), "r"(__r5), "r"(__r6)); \ + } + #undef _syscall5 + #if _MIPS_SIM == _MIPS_SIM_ABI32 + /* The old 32bit MIPS system call API passes the fifth and sixth argument + * on the stack, whereas the new APIs use registers "r8" and "r9". + */ + #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) { \ + LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ + LSS_REG(7, arg4); \ + register unsigned long __v0 __asm__("$2") = __NR_##name; \ + __asm__ __volatile__ (".set noreorder\n" \ + "subu $29, 32\n" \ + "sw %5, 16($29)\n" \ + "syscall\n" \ + "addiu $29, 32\n" \ + ".set reorder\n" \ + : "+r"(__v0), "+r" (__r7) \ + : "r"(__r4), "r"(__r5), \ + "r"(__r6), "r" ((unsigned long)arg5) \ + : "$8", "$9", "$10", "$11", "$12", \ + "$13", "$14", "$15", "$24", "$25", \ + "memory"); \ + LSS_RETURN(type, __v0, __r7); \ + } + #else + #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) { \ + LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ + LSS_REG(7, arg4); LSS_REG(8, arg5); \ + LSS_BODY(type, name, "+r", "r"(__r4), "r"(__r5), "r"(__r6), \ + "r"(__r8)); \ + } + #endif + #undef _syscall6 + #if _MIPS_SIM == _MIPS_SIM_ABI32 + /* The old 32bit MIPS system call API passes the fifth and sixth argument + * on the stack, whereas the new APIs use registers "r8" and "r9". + */ + #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5,type6,arg6) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5, type6 arg6) { \ + LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ + LSS_REG(7, arg4); \ + register unsigned long __v0 __asm__("$2") = __NR_##name; \ + __asm__ __volatile__ (".set noreorder\n" \ + "subu $29, 32\n" \ + "sw %5, 16($29)\n" \ + "sw %6, 20($29)\n" \ + "syscall\n" \ + "addiu $29, 32\n" \ + ".set reorder\n" \ + : "+r"(__v0), "+r" (__r7) \ + : "r"(__r4), "r"(__r5), \ + "r"(__r6), "r" ((unsigned long)arg5), \ + "r" ((unsigned long)arg6) \ + : "$8", "$9", "$10", "$11", "$12", \ + "$13", "$14", "$15", "$24", "$25", \ + "memory"); \ + LSS_RETURN(type, __v0, __r7); \ + } + #else + #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5,type6,arg6) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5,type6 arg6) { \ + LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ + LSS_REG(7, arg4); LSS_REG(8, arg5); LSS_REG(9, arg6); \ + LSS_BODY(type, name, "+r", "r"(__r4), "r"(__r5), "r"(__r6), \ + "r"(__r8), "r"(__r9)); \ + } + #endif + LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, + int flags, void *arg, int *parent_tidptr, + void *newtls, int *child_tidptr) { + register unsigned long __v0 __asm__("$2"); + register unsigned long __r7 __asm__("$7") = (unsigned long)newtls; + { + register int __flags __asm__("$4") = flags; + register void *__stack __asm__("$5") = child_stack; + register void *__ptid __asm__("$6") = parent_tidptr; + register int *__ctid __asm__("$8") = child_tidptr; + __asm__ __volatile__( + #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 + "subu $29,24\n" + #elif _MIPS_SIM == _MIPS_SIM_NABI32 + "sub $29,16\n" + #else + "dsubu $29,16\n" + #endif + + /* if (fn == NULL || child_stack == NULL) + * return -EINVAL; + */ + "li %0,%2\n" + "beqz %5,1f\n" + "beqz %6,1f\n" + + /* Push "arg" and "fn" onto the stack that will be + * used by the child. + */ + #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 + "subu %6,32\n" + "sw %5,0(%6)\n" + "sw %8,4(%6)\n" + #elif _MIPS_SIM == _MIPS_SIM_NABI32 + "sub %6,32\n" + "sw %5,0(%6)\n" + "sw %8,8(%6)\n" + #else + "dsubu %6,32\n" + "sd %5,0(%6)\n" + "sd %8,8(%6)\n" + #endif + + /* $7 = syscall($4 = flags, + * $5 = child_stack, + * $6 = parent_tidptr, + * $7 = newtls, + * $8 = child_tidptr) + */ + "li $2,%3\n" + "syscall\n" + + /* if ($7 != 0) + * return $2; + */ + "bnez $7,1f\n" + "bnez $2,1f\n" + + /* In the child, now. Call "fn(arg)". + */ + #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 + "lw $25,0($29)\n" + "lw $4,4($29)\n" + #elif _MIPS_SIM == _MIPS_SIM_NABI32 + "lw $25,0($29)\n" + "lw $4,8($29)\n" + #else + "ld $25,0($29)\n" + "ld $4,8($29)\n" + #endif + "jalr $25\n" + + /* Call _exit($2) + */ + "move $4,$2\n" + "li $2,%4\n" + "syscall\n" + + "1:\n" + #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 + "addu $29, 24\n" + #elif _MIPS_SIM == _MIPS_SIM_NABI32 + "add $29, 16\n" + #else + "daddu $29,16\n" + #endif + : "=&r" (__v0), "+r" (__r7) + : "i"(-EINVAL), "i"(__NR_clone), "i"(__NR_exit), + "r"(fn), "r"(__stack), "r"(__flags), "r"(arg), + "r"(__ptid), "r"(__r7), "r"(__ctid) + : "$9", "$10", "$11", "$12", "$13", "$14", "$15", + "$24", "$25", "memory"); + } + LSS_RETURN(int, __v0, __r7); + } + #elif defined (__PPC__) + #undef LSS_LOADARGS_0 + #define LSS_LOADARGS_0(name, dummy...) \ + __sc_0 = __NR_##name + #undef LSS_LOADARGS_1 + #define LSS_LOADARGS_1(name, arg1) \ + LSS_LOADARGS_0(name); \ + __sc_3 = (unsigned long) (arg1) + #undef LSS_LOADARGS_2 + #define LSS_LOADARGS_2(name, arg1, arg2) \ + LSS_LOADARGS_1(name, arg1); \ + __sc_4 = (unsigned long) (arg2) + #undef LSS_LOADARGS_3 + #define LSS_LOADARGS_3(name, arg1, arg2, arg3) \ + LSS_LOADARGS_2(name, arg1, arg2); \ + __sc_5 = (unsigned long) (arg3) + #undef LSS_LOADARGS_4 + #define LSS_LOADARGS_4(name, arg1, arg2, arg3, arg4) \ + LSS_LOADARGS_3(name, arg1, arg2, arg3); \ + __sc_6 = (unsigned long) (arg4) + #undef LSS_LOADARGS_5 + #define LSS_LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5) \ + LSS_LOADARGS_4(name, arg1, arg2, arg3, arg4); \ + __sc_7 = (unsigned long) (arg5) + #undef LSS_LOADARGS_6 + #define LSS_LOADARGS_6(name, arg1, arg2, arg3, arg4, arg5, arg6) \ + LSS_LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5); \ + __sc_8 = (unsigned long) (arg6) + #undef LSS_ASMINPUT_0 + #define LSS_ASMINPUT_0 "0" (__sc_0) + #undef LSS_ASMINPUT_1 + #define LSS_ASMINPUT_1 LSS_ASMINPUT_0, "1" (__sc_3) + #undef LSS_ASMINPUT_2 + #define LSS_ASMINPUT_2 LSS_ASMINPUT_1, "2" (__sc_4) + #undef LSS_ASMINPUT_3 + #define LSS_ASMINPUT_3 LSS_ASMINPUT_2, "3" (__sc_5) + #undef LSS_ASMINPUT_4 + #define LSS_ASMINPUT_4 LSS_ASMINPUT_3, "4" (__sc_6) + #undef LSS_ASMINPUT_5 + #define LSS_ASMINPUT_5 LSS_ASMINPUT_4, "5" (__sc_7) + #undef LSS_ASMINPUT_6 + #define LSS_ASMINPUT_6 LSS_ASMINPUT_5, "6" (__sc_8) + #undef LSS_BODY + #define LSS_BODY(nr, type, name, args...) \ + long __sc_ret, __sc_err; \ + { \ + register unsigned long __sc_0 __asm__ ("r0"); \ + register unsigned long __sc_3 __asm__ ("r3"); \ + register unsigned long __sc_4 __asm__ ("r4"); \ + register unsigned long __sc_5 __asm__ ("r5"); \ + register unsigned long __sc_6 __asm__ ("r6"); \ + register unsigned long __sc_7 __asm__ ("r7"); \ + register unsigned long __sc_8 __asm__ ("r8"); \ + \ + LSS_LOADARGS_##nr(name, args); \ + __asm__ __volatile__ \ + ("sc\n\t" \ + "mfcr %0" \ + : "=&r" (__sc_0), \ + "=&r" (__sc_3), "=&r" (__sc_4), \ + "=&r" (__sc_5), "=&r" (__sc_6), \ + "=&r" (__sc_7), "=&r" (__sc_8) \ + : LSS_ASMINPUT_##nr \ + : "cr0", "ctr", "memory", \ + "r9", "r10", "r11", "r12"); \ + __sc_ret = __sc_3; \ + __sc_err = __sc_0; \ + } \ + LSS_RETURN(type, __sc_ret, __sc_err) + #undef _syscall0 + #define _syscall0(type, name) \ + type LSS_NAME(name)(void) { \ + LSS_BODY(0, type, name); \ + } + #undef _syscall1 + #define _syscall1(type, name, type1, arg1) \ + type LSS_NAME(name)(type1 arg1) { \ + LSS_BODY(1, type, name, arg1); \ + } + #undef _syscall2 + #define _syscall2(type, name, type1, arg1, type2, arg2) \ + type LSS_NAME(name)(type1 arg1, type2 arg2) { \ + LSS_BODY(2, type, name, arg1, arg2); \ + } + #undef _syscall3 + #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ + LSS_BODY(3, type, name, arg1, arg2, arg3); \ + } + #undef _syscall4 + #define _syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ + type4, arg4) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + LSS_BODY(4, type, name, arg1, arg2, arg3, arg4); \ + } + #undef _syscall5 + #define _syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ + type4, arg4, type5, arg5) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5) { \ + LSS_BODY(5, type, name, arg1, arg2, arg3, arg4, arg5); \ + } + #undef _syscall6 + #define _syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ + type4, arg4, type5, arg5, type6, arg6) \ + type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ + type5 arg5, type6 arg6) { \ + LSS_BODY(6, type, name, arg1, arg2, arg3, arg4, arg5, arg6); \ + } + /* clone function adapted from glibc 2.3.6 clone.S */ + /* TODO(csilvers): consider wrapping some args up in a struct, like we + * do for i386's _syscall6, so we can compile successfully on gcc 2.95 + */ + LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, + int flags, void *arg, int *parent_tidptr, + void *newtls, int *child_tidptr) { + long __ret, __err; + { + register int (*__fn)(void *) __asm__ ("r8") = fn; + register void *__cstack __asm__ ("r4") = child_stack; + register int __flags __asm__ ("r3") = flags; + register void * __arg __asm__ ("r9") = arg; + register int * __ptidptr __asm__ ("r5") = parent_tidptr; + register void * __newtls __asm__ ("r6") = newtls; + register int * __ctidptr __asm__ ("r7") = child_tidptr; + __asm__ __volatile__( + /* check for fn == NULL + * and child_stack == NULL + */ + "cmpwi cr0, %6, 0\n\t" + "cmpwi cr1, %7, 0\n\t" + "cror cr0*4+eq, cr1*4+eq, cr0*4+eq\n\t" + "beq- cr0, 1f\n\t" + + /* set up stack frame for child */ + "clrrwi %7, %7, 4\n\t" + "li 0, 0\n\t" + "stwu 0, -16(%7)\n\t" + + /* fn, arg, child_stack are saved across the syscall: r28-30 */ + "mr 28, %6\n\t" + "mr 29, %7\n\t" + "mr 27, %9\n\t" + + /* syscall */ + "li 0, %4\n\t" + /* flags already in r3 + * child_stack already in r4 + * ptidptr already in r5 + * newtls already in r6 + * ctidptr already in r7 + */ + "sc\n\t" + + /* Test if syscall was successful */ + "cmpwi cr1, 3, 0\n\t" + "crandc cr1*4+eq, cr1*4+eq, cr0*4+so\n\t" + "bne- cr1, 1f\n\t" + + /* Do the function call */ + "mtctr 28\n\t" + "mr 3, 27\n\t" + "bctrl\n\t" + + /* Call _exit(r3) */ + "li 0, %5\n\t" + "sc\n\t" + + /* Return to parent */ + "1:\n" + "mfcr %1\n\t" + "mr %0, 3\n\t" + : "=r" (__ret), "=r" (__err) + : "0" (-1), "1" (EINVAL), + "i" (__NR_clone), "i" (__NR_exit), + "r" (__fn), "r" (__cstack), "r" (__flags), + "r" (__arg), "r" (__ptidptr), "r" (__newtls), + "r" (__ctidptr) + : "cr0", "cr1", "memory", "ctr", + "r0", "r29", "r27", "r28"); + } + LSS_RETURN(int, __ret, __err); + } + #endif + #define __NR__exit __NR_exit + #define __NR__gettid __NR_gettid + #define __NR__mremap __NR_mremap + LSS_INLINE _syscall1(int, brk, void *, e) + LSS_INLINE _syscall1(int, chdir, const char *,p) + LSS_INLINE _syscall1(int, close, int, f) + LSS_INLINE _syscall2(int, clock_getres, int, c, + struct kernel_timespec*, t) + LSS_INLINE _syscall2(int, clock_gettime, int, c, + struct kernel_timespec*, t) + LSS_INLINE _syscall1(int, dup, int, f) + LSS_INLINE _syscall2(int, dup2, int, s, + int, d) + LSS_INLINE _syscall3(int, execve, const char*, f, + const char*const*,a,const char*const*, e) + LSS_INLINE _syscall1(int, _exit, int, e) + LSS_INLINE _syscall1(int, exit_group, int, e) + LSS_INLINE _syscall3(int, fcntl, int, f, + int, c, long, a) + LSS_INLINE _syscall0(pid_t, fork) + LSS_INLINE _syscall2(int, fstat, int, f, + struct kernel_stat*, b) + LSS_INLINE _syscall2(int, fstatfs, int, f, + struct kernel_statfs*, b) + LSS_INLINE _syscall2(int, ftruncate, int, f, + off_t, l) + LSS_INLINE _syscall4(int, futex, int*, a, + int, o, int, v, + struct kernel_timespec*, t) + LSS_INLINE _syscall3(int, getdents, int, f, + struct kernel_dirent*, d, int, c) + LSS_INLINE _syscall3(int, getdents64, int, f, + struct kernel_dirent64*, d, int, c) + LSS_INLINE _syscall0(gid_t, getegid) + LSS_INLINE _syscall0(uid_t, geteuid) + LSS_INLINE _syscall0(pid_t, getpgrp) + LSS_INLINE _syscall0(pid_t, getpid) + LSS_INLINE _syscall0(pid_t, getppid) + LSS_INLINE _syscall2(int, getpriority, int, a, + int, b) + LSS_INLINE _syscall3(int, getresgid, gid_t *, r, + gid_t *, e, gid_t *, s) + LSS_INLINE _syscall3(int, getresuid, uid_t *, r, + uid_t *, e, uid_t *, s) +#if !defined(__ARM_EABI__) + LSS_INLINE _syscall2(int, getrlimit, int, r, + struct kernel_rlimit*, l) +#endif + LSS_INLINE _syscall1(pid_t, getsid, pid_t, p) + LSS_INLINE _syscall0(pid_t, _gettid) + LSS_INLINE _syscall2(pid_t, gettimeofday, struct kernel_timeval*, t, + void*, tz) + LSS_INLINE _syscall5(int, setxattr, const char *,p, + const char *, n, const void *,v, + size_t, s, int, f) + LSS_INLINE _syscall5(int, lsetxattr, const char *,p, + const char *, n, const void *,v, + size_t, s, int, f) + LSS_INLINE _syscall4(ssize_t, getxattr, const char *,p, + const char *, n, void *, v, size_t, s) + LSS_INLINE _syscall4(ssize_t, lgetxattr, const char *,p, + const char *, n, void *, v, size_t, s) + LSS_INLINE _syscall3(ssize_t, listxattr, const char *,p, + char *, l, size_t, s) + LSS_INLINE _syscall3(ssize_t, llistxattr, const char *,p, + char *, l, size_t, s) + LSS_INLINE _syscall3(int, ioctl, int, d, + int, r, void *, a) + LSS_INLINE _syscall2(int, ioprio_get, int, which, + int, who) + LSS_INLINE _syscall3(int, ioprio_set, int, which, + int, who, int, ioprio) + LSS_INLINE _syscall2(int, kill, pid_t, p, + int, s) + LSS_INLINE _syscall3(off_t, lseek, int, f, + off_t, o, int, w) + LSS_INLINE _syscall2(int, munmap, void*, s, + size_t, l) + LSS_INLINE _syscall6(long, move_pages, pid_t, p, + unsigned long, n, void **,g, int *, d, + int *, s, int, f) + LSS_INLINE _syscall3(int, mprotect, const void *,a, + size_t, l, int, p) + LSS_INLINE _syscall5(void*, _mremap, void*, o, + size_t, os, size_t, ns, + unsigned long, f, void *, a) + LSS_INLINE _syscall3(int, open, const char*, p, + int, f, int, m) + LSS_INLINE _syscall3(int, poll, struct kernel_pollfd*, u, + unsigned int, n, int, t) + LSS_INLINE _syscall2(int, prctl, int, o, + long, a) + LSS_INLINE _syscall4(long, ptrace, int, r, + pid_t, p, void *, a, void *, d) + #if defined(__NR_quotactl) + // Defined on x86_64 / i386 only + LSS_INLINE _syscall4(int, quotactl, int, cmd, const char *, special, + int, id, caddr_t, addr) + #endif + LSS_INLINE _syscall3(ssize_t, read, int, f, + void *, b, size_t, c) + LSS_INLINE _syscall3(int, readlink, const char*, p, + char*, b, size_t, s) + LSS_INLINE _syscall4(int, rt_sigaction, int, s, + const struct kernel_sigaction*, a, + struct kernel_sigaction*, o, size_t, c) + LSS_INLINE _syscall2(int, rt_sigpending, struct kernel_sigset_t *, s, + size_t, c) + LSS_INLINE _syscall4(int, rt_sigprocmask, int, h, + const struct kernel_sigset_t*, s, + struct kernel_sigset_t*, o, size_t, c) + LSS_INLINE _syscall2(int, rt_sigsuspend, + const struct kernel_sigset_t*, s, size_t, c) + LSS_INLINE _syscall3(int, sched_getaffinity,pid_t, p, + unsigned int, l, unsigned long *, m) + LSS_INLINE _syscall3(int, sched_setaffinity,pid_t, p, + unsigned int, l, unsigned long *, m) + LSS_INLINE _syscall0(int, sched_yield) + LSS_INLINE _syscall1(long, set_tid_address, int *, t) + LSS_INLINE _syscall1(int, setfsgid, gid_t, g) + LSS_INLINE _syscall1(int, setfsuid, uid_t, u) + LSS_INLINE _syscall1(int, setuid, uid_t, u) + LSS_INLINE _syscall1(int, setgid, gid_t, g) + LSS_INLINE _syscall2(int, setpgid, pid_t, p, + pid_t, g) + LSS_INLINE _syscall3(int, setpriority, int, a, + int, b, int, p) + LSS_INLINE _syscall3(int, setresgid, gid_t, r, + gid_t, e, gid_t, s) + LSS_INLINE _syscall3(int, setresuid, uid_t, r, + uid_t, e, uid_t, s) + LSS_INLINE _syscall2(int, setrlimit, int, r, + const struct kernel_rlimit*, l) + LSS_INLINE _syscall0(pid_t, setsid) + LSS_INLINE _syscall2(int, sigaltstack, const stack_t*, s, + const stack_t*, o) + #if defined(__NR_sigreturn) + LSS_INLINE _syscall1(int, sigreturn, unsigned long, u) + #endif + LSS_INLINE _syscall2(int, stat, const char*, f, + struct kernel_stat*, b) + LSS_INLINE _syscall2(int, statfs, const char*, f, + struct kernel_statfs*, b) + LSS_INLINE _syscall3(int, tgkill, pid_t, p, + pid_t, t, int, s) + LSS_INLINE _syscall2(int, tkill, pid_t, p, + int, s) + LSS_INLINE _syscall1(int, unlink, const char*, f) + LSS_INLINE _syscall3(ssize_t, write, int, f, + const void *, b, size_t, c) + LSS_INLINE _syscall3(ssize_t, writev, int, f, + const struct kernel_iovec*, v, size_t, c) + #if defined(__NR_getcpu) + LSS_INLINE _syscall3(long, getcpu, unsigned *, cpu, + unsigned *, node, void *, unused) + #endif + #if defined(__x86_64__) || \ + (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI32) + LSS_INLINE _syscall3(int, recvmsg, int, s, + struct kernel_msghdr*, m, int, f) + LSS_INLINE _syscall3(int, sendmsg, int, s, + const struct kernel_msghdr*, m, int, f) + LSS_INLINE _syscall6(int, sendto, int, s, + const void*, m, size_t, l, + int, f, + const struct kernel_sockaddr*, a, int, t) + LSS_INLINE _syscall2(int, shutdown, int, s, + int, h) + LSS_INLINE _syscall3(int, socket, int, d, + int, t, int, p) + LSS_INLINE _syscall4(int, socketpair, int, d, + int, t, int, p, int*, s) + #endif + #if defined(__x86_64__) + LSS_INLINE _syscall4(int, fallocate, int, fd, int, mode, + loff_t, offset, loff_t, len) + + LSS_INLINE int LSS_NAME(getresgid32)(gid_t *rgid, + gid_t *egid, + gid_t *sgid) { + return LSS_NAME(getresgid)(rgid, egid, sgid); + } + + LSS_INLINE int LSS_NAME(getresuid32)(uid_t *ruid, + uid_t *euid, + uid_t *suid) { + return LSS_NAME(getresuid)(ruid, euid, suid); + } + + LSS_INLINE _syscall6(void*, mmap, void*, s, + size_t, l, int, p, + int, f, int, d, + __off64_t, o) + + LSS_INLINE _syscall4(int, newfstatat, int, d, + const char *, p, + struct kernel_stat*, b, int, f) + + LSS_INLINE int LSS_NAME(setfsgid32)(gid_t gid) { + return LSS_NAME(setfsgid)(gid); + } + + LSS_INLINE int LSS_NAME(setfsuid32)(uid_t uid) { + return LSS_NAME(setfsuid)(uid); + } + + LSS_INLINE int LSS_NAME(setresgid32)(gid_t rgid, gid_t egid, gid_t sgid) { + return LSS_NAME(setresgid)(rgid, egid, sgid); + } + + LSS_INLINE int LSS_NAME(setresuid32)(uid_t ruid, uid_t euid, uid_t suid) { + return LSS_NAME(setresuid)(ruid, euid, suid); + } + + LSS_INLINE int LSS_NAME(sigaction)(int signum, + const struct kernel_sigaction *act, + struct kernel_sigaction *oldact) { + /* On x86_64, the kernel requires us to always set our own + * SA_RESTORER in order to be able to return from a signal handler. + * This function must have a "magic" signature that the "gdb" + * (and maybe the kernel?) can recognize. + */ + if (act != NULL && !(act->sa_flags & SA_RESTORER)) { + struct kernel_sigaction a = *act; + a.sa_flags |= SA_RESTORER; + a.sa_restorer = LSS_NAME(restore_rt)(); + return LSS_NAME(rt_sigaction)(signum, &a, oldact, + (KERNEL_NSIG+7)/8); + } else { + return LSS_NAME(rt_sigaction)(signum, act, oldact, + (KERNEL_NSIG+7)/8); + } + } + + LSS_INLINE int LSS_NAME(sigpending)(struct kernel_sigset_t *set) { + return LSS_NAME(rt_sigpending)(set, (KERNEL_NSIG+7)/8); + } + + LSS_INLINE int LSS_NAME(sigprocmask)(int how, + const struct kernel_sigset_t *set, + struct kernel_sigset_t *oldset) { + return LSS_NAME(rt_sigprocmask)(how, set, oldset, (KERNEL_NSIG+7)/8); + } + + LSS_INLINE int LSS_NAME(sigsuspend)(const struct kernel_sigset_t *set) { + return LSS_NAME(rt_sigsuspend)(set, (KERNEL_NSIG+7)/8); + } + #endif + #if defined(__x86_64__) || defined(__ARM_ARCH_3__) || \ + defined(__ARM_EABI__) || \ + (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI32) + LSS_INLINE _syscall4(pid_t, wait4, pid_t, p, + int*, s, int, o, + struct kernel_rusage*, r) + + LSS_INLINE pid_t LSS_NAME(waitpid)(pid_t pid, int *status, int options){ + return LSS_NAME(wait4)(pid, status, options, 0); + } + #endif + #if defined(__i386__) || defined(__x86_64__) + LSS_INLINE _syscall4(int, openat, int, d, const char *, p, int, f, int, m) + LSS_INLINE _syscall3(int, unlinkat, int, d, const char *, p, int, f) + #endif + #if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) + #define __NR__getresgid32 __NR_getresgid32 + #define __NR__getresuid32 __NR_getresuid32 + #define __NR__setfsgid32 __NR_setfsgid32 + #define __NR__setfsuid32 __NR_setfsuid32 + #define __NR__setresgid32 __NR_setresgid32 + #define __NR__setresuid32 __NR_setresuid32 +#if defined(__ARM_EABI__) + LSS_INLINE _syscall2(int, ugetrlimit, int, r, + struct kernel_rlimit*, l) +#endif + LSS_INLINE _syscall3(int, _getresgid32, gid_t *, r, + gid_t *, e, gid_t *, s) + LSS_INLINE _syscall3(int, _getresuid32, uid_t *, r, + uid_t *, e, uid_t *, s) + LSS_INLINE _syscall1(int, _setfsgid32, gid_t, f) + LSS_INLINE _syscall1(int, _setfsuid32, uid_t, f) + LSS_INLINE _syscall3(int, _setresgid32, gid_t, r, + gid_t, e, gid_t, s) + LSS_INLINE _syscall3(int, _setresuid32, uid_t, r, + uid_t, e, uid_t, s) + + LSS_INLINE int LSS_NAME(getresgid32)(gid_t *rgid, + gid_t *egid, + gid_t *sgid) { + int rc; + if ((rc = LSS_NAME(_getresgid32)(rgid, egid, sgid)) < 0 && + LSS_ERRNO == ENOSYS) { + if ((rgid == NULL) || (egid == NULL) || (sgid == NULL)) { + return EFAULT; + } + // Clear the high bits first, since getresgid only sets 16 bits + *rgid = *egid = *sgid = 0; + rc = LSS_NAME(getresgid)(rgid, egid, sgid); + } + return rc; + } + + LSS_INLINE int LSS_NAME(getresuid32)(uid_t *ruid, + uid_t *euid, + uid_t *suid) { + int rc; + if ((rc = LSS_NAME(_getresuid32)(ruid, euid, suid)) < 0 && + LSS_ERRNO == ENOSYS) { + if ((ruid == NULL) || (euid == NULL) || (suid == NULL)) { + return EFAULT; + } + // Clear the high bits first, since getresuid only sets 16 bits + *ruid = *euid = *suid = 0; + rc = LSS_NAME(getresuid)(ruid, euid, suid); + } + return rc; + } + + LSS_INLINE int LSS_NAME(setfsgid32)(gid_t gid) { + int rc; + if ((rc = LSS_NAME(_setfsgid32)(gid)) < 0 && + LSS_ERRNO == ENOSYS) { + if ((unsigned int)gid & ~0xFFFFu) { + rc = EINVAL; + } else { + rc = LSS_NAME(setfsgid)(gid); + } + } + return rc; + } + + LSS_INLINE int LSS_NAME(setfsuid32)(uid_t uid) { + int rc; + if ((rc = LSS_NAME(_setfsuid32)(uid)) < 0 && + LSS_ERRNO == ENOSYS) { + if ((unsigned int)uid & ~0xFFFFu) { + rc = EINVAL; + } else { + rc = LSS_NAME(setfsuid)(uid); + } + } + return rc; + } + + LSS_INLINE int LSS_NAME(setresgid32)(gid_t rgid, gid_t egid, gid_t sgid) { + int rc; + if ((rc = LSS_NAME(_setresgid32)(rgid, egid, sgid)) < 0 && + LSS_ERRNO == ENOSYS) { + if ((unsigned int)rgid & ~0xFFFFu || + (unsigned int)egid & ~0xFFFFu || + (unsigned int)sgid & ~0xFFFFu) { + rc = EINVAL; + } else { + rc = LSS_NAME(setresgid)(rgid, egid, sgid); + } + } + return rc; + } + + LSS_INLINE int LSS_NAME(setresuid32)(uid_t ruid, uid_t euid, uid_t suid) { + int rc; + if ((rc = LSS_NAME(_setresuid32)(ruid, euid, suid)) < 0 && + LSS_ERRNO == ENOSYS) { + if ((unsigned int)ruid & ~0xFFFFu || + (unsigned int)euid & ~0xFFFFu || + (unsigned int)suid & ~0xFFFFu) { + rc = EINVAL; + } else { + rc = LSS_NAME(setresuid)(ruid, euid, suid); + } + } + return rc; + } + #endif + LSS_INLINE int LSS_NAME(sigemptyset)(struct kernel_sigset_t *set) { + memset(&set->sig, 0, sizeof(set->sig)); + return 0; + } + + LSS_INLINE int LSS_NAME(sigfillset)(struct kernel_sigset_t *set) { + memset(&set->sig, -1, sizeof(set->sig)); + return 0; + } + + LSS_INLINE int LSS_NAME(sigaddset)(struct kernel_sigset_t *set, + int signum) { + if (signum < 1 || signum > (int)(8*sizeof(set->sig))) { + LSS_ERRNO = EINVAL; + return -1; + } else { + set->sig[(signum - 1)/(8*sizeof(set->sig[0]))] + |= 1UL << ((signum - 1) % (8*sizeof(set->sig[0]))); + return 0; + } + } + + LSS_INLINE int LSS_NAME(sigdelset)(struct kernel_sigset_t *set, + int signum) { + if (signum < 1 || signum > (int)(8*sizeof(set->sig))) { + LSS_ERRNO = EINVAL; + return -1; + } else { + set->sig[(signum - 1)/(8*sizeof(set->sig[0]))] + &= ~(1UL << ((signum - 1) % (8*sizeof(set->sig[0])))); + return 0; + } + } + + LSS_INLINE int LSS_NAME(sigismember)(struct kernel_sigset_t *set, + int signum) { + if (signum < 1 || signum > (int)(8*sizeof(set->sig))) { + LSS_ERRNO = EINVAL; + return -1; + } else { + return !!(set->sig[(signum - 1)/(8*sizeof(set->sig[0]))] & + (1UL << ((signum - 1) % (8*sizeof(set->sig[0]))))); + } + } + #if defined(__i386__) || defined(__ARM_ARCH_3__) || \ + defined(__ARM_EABI__) || \ + (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || defined(__PPC__) + #define __NR__sigaction __NR_sigaction + #define __NR__sigpending __NR_sigpending + #define __NR__sigprocmask __NR_sigprocmask + #define __NR__sigsuspend __NR_sigsuspend + #define __NR__socketcall __NR_socketcall + LSS_INLINE _syscall2(int, fstat64, int, f, + struct kernel_stat64 *, b) + LSS_INLINE _syscall5(int, _llseek, uint, fd, + unsigned long, hi, unsigned long, lo, + loff_t *, res, uint, wh) +#if !defined(__ARM_EABI__) + LSS_INLINE _syscall1(void*, mmap, void*, a) +#endif + LSS_INLINE _syscall6(void*, mmap2, void*, s, + size_t, l, int, p, + int, f, int, d, + off_t, o) + LSS_INLINE _syscall3(int, _sigaction, int, s, + const struct kernel_old_sigaction*, a, + struct kernel_old_sigaction*, o) + LSS_INLINE _syscall1(int, _sigpending, unsigned long*, s) + LSS_INLINE _syscall3(int, _sigprocmask, int, h, + const unsigned long*, s, + unsigned long*, o) + #ifdef __PPC__ + LSS_INLINE _syscall1(int, _sigsuspend, unsigned long, s) + #else + LSS_INLINE _syscall3(int, _sigsuspend, const void*, a, + int, b, + unsigned long, s) + #endif + LSS_INLINE _syscall2(int, stat64, const char *, p, + struct kernel_stat64 *, b) + + LSS_INLINE int LSS_NAME(sigaction)(int signum, + const struct kernel_sigaction *act, + struct kernel_sigaction *oldact) { + int old_errno = LSS_ERRNO; + int rc; + struct kernel_sigaction a; + if (act != NULL) { + a = *act; + #ifdef __i386__ + /* On i386, the kernel requires us to always set our own + * SA_RESTORER when using realtime signals. Otherwise, it does not + * know how to return from a signal handler. This function must have + * a "magic" signature that the "gdb" (and maybe the kernel?) can + * recognize. + * Apparently, a SA_RESTORER is implicitly set by the kernel, when + * using non-realtime signals. + * + * TODO: Test whether ARM needs a restorer + */ + if (!(a.sa_flags & SA_RESTORER)) { + a.sa_flags |= SA_RESTORER; + a.sa_restorer = (a.sa_flags & SA_SIGINFO) + ? LSS_NAME(restore_rt)() : LSS_NAME(restore)(); + } + #endif + } + rc = LSS_NAME(rt_sigaction)(signum, act ? &a : act, oldact, + (KERNEL_NSIG+7)/8); + if (rc < 0 && LSS_ERRNO == ENOSYS) { + struct kernel_old_sigaction oa, ooa, *ptr_a = &oa, *ptr_oa = &ooa; + if (!act) { + ptr_a = NULL; + } else { + oa.sa_handler_ = act->sa_handler_; + memcpy(&oa.sa_mask, &act->sa_mask, sizeof(oa.sa_mask)); + #ifndef __mips__ + oa.sa_restorer = act->sa_restorer; + #endif + oa.sa_flags = act->sa_flags; + } + if (!oldact) { + ptr_oa = NULL; + } + LSS_ERRNO = old_errno; + rc = LSS_NAME(_sigaction)(signum, ptr_a, ptr_oa); + if (rc == 0 && oldact) { + if (act) { + memcpy(oldact, act, sizeof(*act)); + } else { + memset(oldact, 0, sizeof(*oldact)); + } + oldact->sa_handler_ = ptr_oa->sa_handler_; + oldact->sa_flags = ptr_oa->sa_flags; + memcpy(&oldact->sa_mask, &ptr_oa->sa_mask, sizeof(ptr_oa->sa_mask)); + #ifndef __mips__ + oldact->sa_restorer = ptr_oa->sa_restorer; + #endif + } + } + return rc; + } + + LSS_INLINE int LSS_NAME(sigpending)(struct kernel_sigset_t *set) { + int old_errno = LSS_ERRNO; + int rc = LSS_NAME(rt_sigpending)(set, (KERNEL_NSIG+7)/8); + if (rc < 0 && LSS_ERRNO == ENOSYS) { + LSS_ERRNO = old_errno; + LSS_NAME(sigemptyset)(set); + rc = LSS_NAME(_sigpending)(&set->sig[0]); + } + return rc; + } + + LSS_INLINE int LSS_NAME(sigprocmask)(int how, + const struct kernel_sigset_t *set, + struct kernel_sigset_t *oldset) { + int olderrno = LSS_ERRNO; + int rc = LSS_NAME(rt_sigprocmask)(how, set, oldset, (KERNEL_NSIG+7)/8); + if (rc < 0 && LSS_ERRNO == ENOSYS) { + LSS_ERRNO = olderrno; + if (oldset) { + LSS_NAME(sigemptyset)(oldset); + } + rc = LSS_NAME(_sigprocmask)(how, + set ? &set->sig[0] : NULL, + oldset ? &oldset->sig[0] : NULL); + } + return rc; + } + + LSS_INLINE int LSS_NAME(sigsuspend)(const struct kernel_sigset_t *set) { + int olderrno = LSS_ERRNO; + int rc = LSS_NAME(rt_sigsuspend)(set, (KERNEL_NSIG+7)/8); + if (rc < 0 && LSS_ERRNO == ENOSYS) { + LSS_ERRNO = olderrno; + rc = LSS_NAME(_sigsuspend)( + #ifndef __PPC__ + set, 0, + #endif + set->sig[0]); + } + return rc; + } + #endif + #if defined(__PPC__) + #undef LSS_SC_LOADARGS_0 + #define LSS_SC_LOADARGS_0(dummy...) + #undef LSS_SC_LOADARGS_1 + #define LSS_SC_LOADARGS_1(arg1) \ + __sc_4 = (unsigned long) (arg1) + #undef LSS_SC_LOADARGS_2 + #define LSS_SC_LOADARGS_2(arg1, arg2) \ + LSS_SC_LOADARGS_1(arg1); \ + __sc_5 = (unsigned long) (arg2) + #undef LSS_SC_LOADARGS_3 + #define LSS_SC_LOADARGS_3(arg1, arg2, arg3) \ + LSS_SC_LOADARGS_2(arg1, arg2); \ + __sc_6 = (unsigned long) (arg3) + #undef LSS_SC_LOADARGS_4 + #define LSS_SC_LOADARGS_4(arg1, arg2, arg3, arg4) \ + LSS_SC_LOADARGS_3(arg1, arg2, arg3); \ + __sc_7 = (unsigned long) (arg4) + #undef LSS_SC_LOADARGS_5 + #define LSS_SC_LOADARGS_5(arg1, arg2, arg3, arg4, arg5) \ + LSS_SC_LOADARGS_4(arg1, arg2, arg3, arg4); \ + __sc_8 = (unsigned long) (arg5) + #undef LSS_SC_BODY + #define LSS_SC_BODY(nr, type, opt, args...) \ + long __sc_ret, __sc_err; \ + { \ + register unsigned long __sc_0 __asm__ ("r0") = __NR_socketcall; \ + register unsigned long __sc_3 __asm__ ("r3") = opt; \ + register unsigned long __sc_4 __asm__ ("r4"); \ + register unsigned long __sc_5 __asm__ ("r5"); \ + register unsigned long __sc_6 __asm__ ("r6"); \ + register unsigned long __sc_7 __asm__ ("r7"); \ + register unsigned long __sc_8 __asm__ ("r8"); \ + LSS_SC_LOADARGS_##nr(args); \ + __asm__ __volatile__ \ + ("stwu 1, -48(1)\n\t" \ + "stw 4, 20(1)\n\t" \ + "stw 5, 24(1)\n\t" \ + "stw 6, 28(1)\n\t" \ + "stw 7, 32(1)\n\t" \ + "stw 8, 36(1)\n\t" \ + "addi 4, 1, 20\n\t" \ + "sc\n\t" \ + "mfcr %0" \ + : "=&r" (__sc_0), \ + "=&r" (__sc_3), "=&r" (__sc_4), \ + "=&r" (__sc_5), "=&r" (__sc_6), \ + "=&r" (__sc_7), "=&r" (__sc_8) \ + : LSS_ASMINPUT_##nr \ + : "cr0", "ctr", "memory"); \ + __sc_ret = __sc_3; \ + __sc_err = __sc_0; \ + } \ + LSS_RETURN(type, __sc_ret, __sc_err) + + LSS_INLINE ssize_t LSS_NAME(recvmsg)(int s,struct kernel_msghdr *msg, + int flags){ + LSS_SC_BODY(3, ssize_t, 17, s, msg, flags); + } + + LSS_INLINE ssize_t LSS_NAME(sendmsg)(int s, + const struct kernel_msghdr *msg, + int flags) { + LSS_SC_BODY(3, ssize_t, 16, s, msg, flags); + } + + // TODO(csilvers): why is this ifdef'ed out? +#if 0 + LSS_INLINE ssize_t LSS_NAME(sendto)(int s, const void *buf, size_t len, + int flags, + const struct kernel_sockaddr *to, + unsigned int tolen) { + LSS_BODY(6, ssize_t, 11, s, buf, len, flags, to, tolen); + } +#endif + + LSS_INLINE int LSS_NAME(shutdown)(int s, int how) { + LSS_SC_BODY(2, int, 13, s, how); + } + + LSS_INLINE int LSS_NAME(socket)(int domain, int type, int protocol) { + LSS_SC_BODY(3, int, 1, domain, type, protocol); + } + + LSS_INLINE int LSS_NAME(socketpair)(int d, int type, int protocol, + int sv[2]) { + LSS_SC_BODY(4, int, 8, d, type, protocol, sv); + } + #endif + #if defined(__ARM_EABI__) + LSS_INLINE _syscall3(ssize_t, recvmsg, int, s, struct kernel_msghdr*, msg, + int, flags) + LSS_INLINE _syscall3(ssize_t, sendmsg, int, s, const struct kernel_msghdr*, + msg, int, flags) + LSS_INLINE _syscall6(ssize_t, sendto, int, s, const void*, buf, size_t,len, + int, flags, const struct kernel_sockaddr*, to, + unsigned int, tolen) + LSS_INLINE _syscall2(int, shutdown, int, s, int, how) + LSS_INLINE _syscall3(int, socket, int, domain, int, type, int, protocol) + LSS_INLINE _syscall4(int, socketpair, int, d, int, type, int, protocol, + int*, sv) + #endif + #if defined(__i386__) || defined(__ARM_ARCH_3__) || \ + (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) + #define __NR__socketcall __NR_socketcall + LSS_INLINE _syscall2(int, _socketcall, int, c, + va_list, a) + LSS_INLINE int LSS_NAME(socketcall)(int op, ...) { + int rc; + va_list ap; + va_start(ap, op); + rc = LSS_NAME(_socketcall)(op, ap); + va_end(ap); + return rc; + } + + LSS_INLINE ssize_t LSS_NAME(recvmsg)(int s,struct kernel_msghdr *msg, + int flags){ + return (ssize_t)LSS_NAME(socketcall)(17, s, msg, flags); + } + + LSS_INLINE ssize_t LSS_NAME(sendmsg)(int s, + const struct kernel_msghdr *msg, + int flags) { + return (ssize_t)LSS_NAME(socketcall)(16, s, msg, flags); + } + + LSS_INLINE ssize_t LSS_NAME(sendto)(int s, const void *buf, size_t len, + int flags, + const struct kernel_sockaddr *to, + unsigned int tolen) { + return (ssize_t)LSS_NAME(socketcall)(11, s, buf, len, flags, to, tolen); + } + + LSS_INLINE int LSS_NAME(shutdown)(int s, int how) { + return LSS_NAME(socketcall)(13, s, how); + } + + LSS_INLINE int LSS_NAME(socket)(int domain, int type, int protocol) { + return LSS_NAME(socketcall)(1, domain, type, protocol); + } + + LSS_INLINE int LSS_NAME(socketpair)(int d, int type, int protocol, + int sv[2]) { + return LSS_NAME(socketcall)(8, d, type, protocol, sv); + } + #endif + #if defined(__i386__) || defined(__PPC__) + LSS_INLINE _syscall4(int, fstatat64, int, d, + const char *, p, + struct kernel_stat64 *, b, int, f) + #endif + #if defined(__i386__) || defined(__PPC__) || \ + (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) + LSS_INLINE _syscall3(pid_t, waitpid, pid_t, p, + int*, s, int, o) + #endif + #if defined(__mips__) + /* sys_pipe() on MIPS has non-standard calling conventions, as it returns + * both file handles through CPU registers. + */ + LSS_INLINE int LSS_NAME(pipe)(int *p) { + register unsigned long __v0 __asm__("$2") = __NR_pipe; + register unsigned long __v1 __asm__("$3"); + register unsigned long __r7 __asm__("$7"); + __asm__ __volatile__ ("syscall\n" + : "+r"(__v0), "=r"(__v1), "=r" (__r7) + : "0"(__v0) + : "$8", "$9", "$10", "$11", "$12", + "$13", "$14", "$15", "$24", "$25", "memory"); + if (__r7) { + unsigned long __errnovalue = __v0; + LSS_ERRNO = __errnovalue; + return -1; + } else { + p[0] = __v0; + p[1] = __v1; + return 0; + } + } + #else + LSS_INLINE _syscall1(int, pipe, int *, p) + #endif + /* TODO(csilvers): see if ppc can/should support this as well */ + #if defined(__i386__) || defined(__ARM_ARCH_3__) || \ + defined(__ARM_EABI__) || \ + (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI64) + #define __NR__statfs64 __NR_statfs64 + #define __NR__fstatfs64 __NR_fstatfs64 + LSS_INLINE _syscall3(int, _statfs64, const char*, p, + size_t, s,struct kernel_statfs64*, b) + LSS_INLINE _syscall3(int, _fstatfs64, int, f, + size_t, s,struct kernel_statfs64*, b) + LSS_INLINE int LSS_NAME(statfs64)(const char *p, + struct kernel_statfs64 *b) { + return LSS_NAME(_statfs64)(p, sizeof(*b), b); + } + LSS_INLINE int LSS_NAME(fstatfs64)(int f,struct kernel_statfs64 *b) { + return LSS_NAME(_fstatfs64)(f, sizeof(*b), b); + } + #endif + + LSS_INLINE int LSS_NAME(execv)(const char *path, const char *const argv[]) { + extern char **environ; + return LSS_NAME(execve)(path, argv, (const char *const *)environ); + } + + LSS_INLINE pid_t LSS_NAME(gettid)() { + pid_t tid = LSS_NAME(_gettid)(); + if (tid != -1) { + return tid; + } + return LSS_NAME(getpid)(); + } + + LSS_INLINE void *LSS_NAME(mremap)(void *old_address, size_t old_size, + size_t new_size, int flags, ...) { + va_list ap; + void *new_address, *rc; + va_start(ap, flags); + new_address = va_arg(ap, void *); + rc = LSS_NAME(_mremap)(old_address, old_size, new_size, + flags, new_address); + va_end(ap); + return rc; + } + + LSS_INLINE int LSS_NAME(ptrace_detach)(pid_t pid) { + /* PTRACE_DETACH can sometimes forget to wake up the tracee and it + * then sends job control signals to the real parent, rather than to + * the tracer. We reduce the risk of this happening by starting a + * whole new time slice, and then quickly sending a SIGCONT signal + * right after detaching from the tracee. + * + * We use tkill to ensure that we only issue a wakeup for the thread being + * detached. Large multi threaded apps can take a long time in the kernel + * processing SIGCONT. + */ + int rc, err; + LSS_NAME(sched_yield)(); + rc = LSS_NAME(ptrace)(PTRACE_DETACH, pid, (void *)0, (void *)0); + err = LSS_ERRNO; + LSS_NAME(tkill)(pid, SIGCONT); + /* Old systems don't have tkill */ + if (LSS_ERRNO == ENOSYS) + LSS_NAME(kill)(pid, SIGCONT); + LSS_ERRNO = err; + return rc; + } + + LSS_INLINE int LSS_NAME(raise)(int sig) { + return LSS_NAME(kill)(LSS_NAME(getpid)(), sig); + } + + LSS_INLINE int LSS_NAME(setpgrp)() { + return LSS_NAME(setpgid)(0, 0); + } + + LSS_INLINE int LSS_NAME(sysconf)(int name) { + extern int __getpagesize(void); + switch (name) { + case _SC_OPEN_MAX: { + struct kernel_rlimit limit; +#if defined(__ARM_EABI__) + return LSS_NAME(ugetrlimit)(RLIMIT_NOFILE, &limit) < 0 + ? 8192 : limit.rlim_cur; +#else + return LSS_NAME(getrlimit)(RLIMIT_NOFILE, &limit) < 0 + ? 8192 : limit.rlim_cur; +#endif + } + case _SC_PAGESIZE: + return __getpagesize(); + default: + LSS_ERRNO = ENOSYS; + return -1; + } + } + #if defined(__x86_64__) || \ + (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI64) + LSS_INLINE _syscall4(ssize_t, pread64, int, f, + void *, b, size_t, c, + loff_t, o) + LSS_INLINE _syscall4(ssize_t, pwrite64, int, f, + const void *, b, size_t, c, + loff_t, o) + LSS_INLINE _syscall3(int, readahead, int, f, + loff_t, o, unsigned, c) + #else + #define __NR__pread64 __NR_pread64 + #define __NR__pwrite64 __NR_pwrite64 + #define __NR__readahead __NR_readahead + #if defined(__ARM_EABI__) + /* On ARM, a 64-bit parameter has to be in an even-odd register pair. + * Hence these calls ignore their fourth argument (r3) so that their + * fifth and sixth make such a pair (r4,r5). + */ + #define LSS_LLARG_PAD 0, + LSS_INLINE _syscall6(ssize_t, _pread64, int, f, + void *, b, size_t, c, + unsigned, skip, unsigned, o1, unsigned, o2) + LSS_INLINE _syscall6(ssize_t, _pwrite64, int, f, + const void *, b, size_t, c, + unsigned, skip, unsigned, o1, unsigned, o2) + LSS_INLINE _syscall5(int, _readahead, int, f, + unsigned, skip, + unsigned, o1, unsigned, o2, size_t, c) + #else + #define LSS_LLARG_PAD + LSS_INLINE _syscall5(ssize_t, _pread64, int, f, + void *, b, size_t, c, unsigned, o1, + unsigned, o2) + LSS_INLINE _syscall5(ssize_t, _pwrite64, int, f, + const void *, b, size_t, c, unsigned, o1, + long, o2) + LSS_INLINE _syscall4(int, _readahead, int, f, + unsigned, o1, unsigned, o2, size_t, c) + #endif + /* We force 64bit-wide parameters onto the stack, then access each + * 32-bit component individually. This guarantees that we build the + * correct parameters independent of the native byte-order of the + * underlying architecture. + */ + LSS_INLINE ssize_t LSS_NAME(pread64)(int fd, void *buf, size_t count, + loff_t off) { + union { loff_t off; unsigned arg[2]; } o = { off }; + return LSS_NAME(_pread64)(fd, buf, count, + LSS_LLARG_PAD o.arg[0], o.arg[1]); + } + LSS_INLINE ssize_t LSS_NAME(pwrite64)(int fd, const void *buf, + size_t count, loff_t off) { + union { loff_t off; unsigned arg[2]; } o = { off }; + return LSS_NAME(_pwrite64)(fd, buf, count, + LSS_LLARG_PAD o.arg[0], o.arg[1]); + } + LSS_INLINE int LSS_NAME(readahead)(int fd, loff_t off, int len) { + union { loff_t off; unsigned arg[2]; } o = { off }; + return LSS_NAME(_readahead)(fd, LSS_LLARG_PAD o.arg[0], o.arg[1], len); + } + #endif +#endif + +#ifdef __ANDROID__ + /* These restore the original values of these macros saved by the + * corresponding #pragma push_macro near the top of this file. */ +# pragma pop_macro("stat64") +# pragma pop_macro("fstat64") +# pragma pop_macro("lstat64") +#endif + +#if defined(__cplusplus) && !defined(SYS_CPLUSPLUS) +} +#endif + +#endif +#endif