Add support for ASAN.
This commit is contained in:
David Anderson
parent
257535daf2
commit
90fec5c6df
@ -1,6 +1,7 @@
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# vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
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import collections
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import os, sys
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import subprocess
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import traceback
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class SDK(object):
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@ -121,7 +122,8 @@ class SMConfig(object):
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self.versionlib = None
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self.all_targets = []
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self.target_archs = set()
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self.enable_asan = getattr(builder.options, 'enable_asan', False)
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self.asan_libs = {}
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if builder.options.targets:
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target_archs = builder.options.targets.split(',')
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@ -349,6 +351,11 @@ class SMConfig(object):
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cxx.cxxflags += ['-Wno-deprecated']
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cxx.cflags += ['-Wno-sometimes-uninitialized']
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if self.enable_asan:
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if not have_clang:
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raise Exception('--enable-asan only supported when using Clang')
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self.configure_asan(cxx)
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# Work around SDK warnings.
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if cxx.version >= 'clang-10.0' or cxx.version >= 'apple-clang-12.0':
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cxx.cflags += [
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@ -361,12 +368,18 @@ class SMConfig(object):
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cxx.cflags += ['-Wno-maybe-uninitialized']
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if builder.options.opt == '1':
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cxx.cflags += ['-O3']
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if self.enable_asan:
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cxx.cflags += ['-O1']
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else:
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cxx.cflags += ['-O3']
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# Don't omit the frame pointer.
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cxx.cflags += ['-fno-omit-frame-pointer']
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def configure_msvc(self, cxx):
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if self.enable_asan:
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raise Exception('--enable-asan only supported when using Clang')
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if builder.options.debug == '1':
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cxx.cflags += ['/MTd']
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cxx.linkflags += ['/NODEFAULTLIB:libcmt']
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@ -412,6 +425,29 @@ class SMConfig(object):
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# Don't omit the frame pointer.
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cxx.cflags += ['/Oy-']
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def configure_asan(self, cxx):
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if cxx.target.platform != 'linux':
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raise Exception('--enable-asan only supported on Linux')
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cxx.cflags += ['-fsanitize=address']
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cxx.linkflags += ['-fsanitize=address']
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if cxx.target.arch == 'x86':
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libclang_rt = 'libclang_rt.asan-i386.so'
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else:
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libclang_rt = 'libclang_rt.asan-x86_64.so'
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try:
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argv = cxx.cxx_argv + ['--print-file-name', libclang_rt]
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output = subprocess.check_output(argv)
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output = output.decode('utf-8')
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output = output.strip()
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except:
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raise Exception('Could not find {}'.format(libclang_rt))
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print('ASAN library for {}: {}'.format(cxx.target.arch, output))
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print('You will need to LD_PRELOAD this into srcds.')
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self.asan_libs[cxx.target.arch] = os.path.dirname(output)
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def configure_linux(self, cxx):
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cxx.defines += ['_LINUX', 'POSIX', '_FILE_OFFSET_BITS=64']
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cxx.linkflags += ['-lm']
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@ -469,6 +505,13 @@ class SMConfig(object):
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self.AddVersioning(binary)
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if binary.compiler.like('msvc'):
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binary.compiler.linkflags += ['/SUBSYSTEM:WINDOWS']
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# Dumb clang behavior means we have to manually find libclang_rt.
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if self.enable_asan:
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binary.compiler.linkflags += [
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'-shared-libsan',
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'-Wl,-rpath={}'.format(self.asan_libs[binary.compiler.target.arch]),
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]
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return binary
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def ProgramBuilder(self, compiler, name):
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@ -476,6 +519,8 @@ class SMConfig(object):
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self.AddVersioning(binary)
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if '-static-libgcc' in binary.compiler.linkflags:
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binary.compiler.linkflags.remove('-static-libgcc')
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if self.enable_asan:
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binary.compiler.linkflags.append('-static-libsan')
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if '-lgcc_eh' in binary.compiler.linkflags:
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binary.compiler.linkflags.remove('-lgcc_eh')
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if binary.compiler.like('gcc'):
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36
configure.py
36
configure.py
@ -1,30 +1,30 @@
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# vim: set ts=2 sw=2 tw=99 noet:
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import sys
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try:
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from ambuild2 import run, util
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from ambuild2 import run, util
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except:
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try:
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import ambuild
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sys.stderr.write('It looks like you have AMBuild 1 installed, but this project uses AMBuild 2.\n')
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sys.stderr.write('Upgrade to the latest version of AMBuild to continue.\n')
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except:
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sys.stderr.write('AMBuild must be installed to build this project.\n')
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sys.stderr.write('http://www.alliedmods.net/ambuild\n')
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sys.exit(1)
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try:
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import ambuild
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sys.stderr.write('It looks like you have AMBuild 1 installed, but this project uses AMBuild 2.\n')
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sys.stderr.write('Upgrade to the latest version of AMBuild to continue.\n')
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except:
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sys.stderr.write('AMBuild must be installed to build this project.\n')
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sys.stderr.write('http://www.alliedmods.net/ambuild\n')
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sys.exit(1)
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# Hack to show a decent upgrade message, which wasn't done until 2.2.
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ambuild_version = getattr(run, 'CURRENT_API', '2.1')
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if ambuild_version.startswith('2.1'):
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sys.stderr.write("AMBuild 2.2 or higher is required; please update\n")
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sys.exit(1)
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sys.stderr.write("AMBuild 2.2 or higher is required; please update\n")
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sys.exit(1)
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parser = run.BuildParser(sourcePath=sys.path[0], api='2.2')
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parser.options.add_argument('--hl2sdk-root', type=str, dest='hl2sdk_root', default=None,
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help='Root search folder for HL2SDKs')
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help='Root search folder for HL2SDKs')
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parser.options.add_argument('--mysql-path', type=str, dest='mysql_path', default=None,
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help='Path to MySQL 5')
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help='Path to MySQL 5')
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parser.options.add_argument('--mysql64-path', type=str, dest='mysql64_path', default=None,
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help='Path to 64-bit MySQL 5')
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help='Path to 64-bit MySQL 5')
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parser.options.add_argument('--mms-path', type=str, dest='mms_path', default=None,
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help='Path to Metamod:Source')
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parser.options.add_argument('--enable-debug', action='store_const', const='1', dest='debug',
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@ -37,11 +37,13 @@ parser.options.add_argument('-s', '--sdks', default='present', dest='sdks',
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help='Build against specified SDKs; valid args are "none", "all", "present",'
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' or comma-delimited list of engine names')
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parser.options.add_argument('--breakpad-dump', action='store_true', dest='breakpad_dump',
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default=False, help='Dump and upload breakpad symbols')
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default=False, help='Dump and upload breakpad symbols')
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parser.options.add_argument('--disable-auto-versioning', action='store_true', dest='disable_auto_versioning',
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default=False, help='Disable the auto versioning script')
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parser.options.add_argument('--targets', type=str, dest='targets', default=None,
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help="Override the target architecture (use commas to separate multiple targets).")
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help="Override the target architecture (use commas to separate multiple targets).")
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parser.options.add_argument('--scripting-only', action='store_true', dest='scripting_only', default=False,
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help="Only build and package the files required for scripting in SourcePawn.")
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help="Only build and package the files required for scripting in SourcePawn.")
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parser.options.add_argument('--enable-asan', action='store_true', dest='enable_asan',
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default=False, help='Enable ASAN (clang only)')
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parser.Configure()
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