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04827466b0
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70 Commits

Author SHA1 Message Date
David Anderson
04827466b0 Rewrite the .smx parser. 
This removes one the last remnants of the SourceMod 1.0 VM implementation.

The new parser introduces a number of design changes in the VM. First, the VM now takes greater responsibility for validating and sanity checking the structure of the SMX container format. Previously, malformed SMX files could easily crash SourcePawn. The loader now rejects files that have out-of-bounds offsets or incomplete sections. Complex sections, like debug info or the code stream, are verified lazily.

Internally, the sp_plugin_t structure has been removed. It has been replaced by a new LegacyImage class, designed to be independent from the SPVM API. This potentially lets us load code streams from non-.smx containers. More importantly, it removes a lot of bookkeeping and pre-computed state from PluginRuntime. The LegacyImage class is now responsible for handling debug info as well.

PluginRuntime is now intended to hold only cached or immutable data, and PluginContext holds all VM state. As such PluginContext is now responsible for allocating a plugin's runtime memory, not PluginRuntime.

Finally, some aspects of the loading process have been cleaned up. The
decompression and image handoff logic should now be easier to
understand.
 2015-02-25 22:28:10 -08:00
David Anderson
acf6dcac86 Remove the interpreter. 2015-02-24 23:57:08 -08:00
David Anderson
b9b0ec865c Simplify the JIT function cache. 2015-02-24 23:43:07 -08:00
David Anderson
fcaa5361c8 Don't expose mutable sp_native_t. 2015-02-24 23:10:18 -08:00
David Anderson
11ea385169 Remove sp_context_t::rval. 2015-02-24 21:54:34 -08:00
David Anderson
31ab1ced06 Move hp from sp_context_t to PluginContext. 2015-02-24 21:54:34 -08:00
David Anderson
b2c61a341a Move sp from sp_context_t to PluginContext. 2015-02-24 21:54:30 -08:00
David Anderson
d2005bd42a Move cip from sp_context_t to PluginContext. 2015-02-24 20:53:44 -08:00
David Anderson
97dbc7ff07 Move n_err from sp_context_t to PluginContext. 2015-02-24 20:16:13 -08:00
dvander@alliedmods.net
9c104ef310 Move nidx from sp_context_t to PluginContext. 2015-02-24 19:59:45 -08:00
dvander@alliedmods.net
5502fbbdc1 Move the tracker from sp_context_t to PluginContext. 2015-02-24 15:43:41 -08:00
dvander@alliedmods.net
37af05c456 Move the debug return stack into PluginContext. 2015-02-24 15:20:00 -08:00
dvander@alliedmods.net
8eed58a467 Rename sp_vm_basecontext to plugin-context. 2015-02-24 12:55:00 -08:00
David Anderson
781c5129a9 Remove the JITX86 class. 2015-02-24 02:03:58 -08:00
David Anderson
111dd7eb68 Factor code stubs out of JITX86. 2015-02-24 02:03:58 -08:00
David Anderson
21f5400d9c Remove ICompilationData. 2015-02-24 02:03:57 -08:00
David Anderson
8cf3e227ea Move context var initialization into BaseContext. 2015-02-24 02:03:56 -08:00
David Anderson
8c95919b32 Move watchdog/runtime interaction into Environment. 2015-02-24 02:03:55 -08:00
David Anderson
c70e87d582 Move the code cache into Environment, and out of knight/shared. 2015-02-24 01:57:50 -08:00
David Anderson
57ba8fd09b De-singleton-ify the watchdog timer. 2015-02-24 01:53:37 -08:00
David Anderson
3cf3f6c3f8 Merge sp_vm_engine and engine2. 2015-02-24 01:52:14 -08:00
David Anderson
499f7b3929 Refactor the public API entrypoint for SourcePawn. 2015-02-24 01:52:13 -08:00
dvander@alliedmods.net
1f9b898702 Rename BaseRuntime files to plugin-runtime. 2015-02-23 16:44:15 -08:00
dvander@alliedmods.net
2f71cb4cd7 Rename BaseRuntime to PluginRuntime. 2015-02-23 16:40:36 -08:00
dvander@alliedmods.net
b2d8dde3a5 Rename Function to CompiledFunction. 2015-02-23 16:27:57 -08:00
dvander@alliedmods.net
892b8c05b1 Rename JitFunction to CompiledFunction and CFunction to ScriptedInvoker. 2015-02-23 16:03:08 -08:00
David Anderson
225954a27c Modernize the smx headers. 2014-08-21 22:16:07 -07:00
Ryan Stecker
6864bf0068 Only spew JIT compilation and opcodes when built with JIT_SPEW defined. 2014-07-05 10:57:08 -05:00
David Anderson
ec61d4d188 Add a general profiling abstraction layer. 2014-06-24 01:04:13 -07:00
Kyle Sanderson
9c62e94239 Optimize native call if statically bound (bug 5842, r=ds,fyren f=dvander). 
Original patch written by David Anderson (original r from Fyren).
- Updated to function with the current JIT compiler.
- Took in clean-ups from later-dated patches.
 2014-05-11 14:36:32 -07:00
David Anderson
e69e9eddc7 Change float comparison operators to return false for NaN (bug 6107, r=ds). 
--HG--
extra : rebase_source : a11c56fb23d6617545def3591ec6100dd143eb3e
 2014-04-22 19:40:45 -07:00
David Anderson
f9f4c7dcd6 Add an interpreter because. (bug 5902, r=ds). 2013-09-01 00:23:44 -07:00
Nicholas Hastings
124ede82b3 Fix build. 2013-08-29 15:05:34 -04:00
Nicholas Hastings
1c40d77b14 Fix build. 2013-08-29 14:16:18 -04:00
Kyle Sanderson
d05feabcd6 Suppress SpewOpcode if not a debug build (bug 5859, r=dvander). 2013-08-27 08:39:15 -04:00
David Anderson
d6a6194e68 Make amtl headers BSD-licensed and clean up outstanding style issues. 2013-08-22 17:11:17 -07:00
David Anderson
b972ea4781 Fix stack alignment when lazily compiling scripted calls (bug 5871, r=ds). 2013-08-20 23:59:11 -07:00
David Anderson
582162460f Fix OP_MOVS to not clobber random memory (bug 5868, r=psychonic). 2013-08-19 12:59:10 -07:00
David Anderson
c48cc0afdc Fix OS X build. 2013-08-15 16:26:16 -07:00
David Anderson
3ac43497b9 Implement a watchdog timer for scripts that take too long to execute (bug 5837, r=fyren). 
--HG--
extra : rebase_source : ffacb38457eca581660ce8f15c444ad828b7fedd
 2013-08-14 23:54:25 -07:00
David Anderson
b39fcebe65 Remove InfoVars, reassign DAT from EBP to ESI to preserve C++ stacktraces in JIT code (bug 5844 part 10, r=ds). 2013-08-12 00:24:02 +01:00
David Anderson
04129a0841 Remove InfoVars::frm (bug 5844 part 9, r=ds). 2013-08-12 00:23:54 +01:00
David Anderson
a7658f013e Eliminate InfoVars::hp (bug 5844 part 8, r=ds). 2013-08-12 00:23:00 +01:00
David Anderson
2822bf7a65 Eliminate InfoVars::cip (bug 5844 part 7, r=ds). 2013-08-12 00:22:54 +01:00
David Anderson
87ccd272ee Eliminate InfoVars::rval (bug 5844 part 6, r=ds). 2013-08-12 00:22:41 +01:00
David Anderson
18275ce2c9 Remove InfoVars::ctx (bug 5844 part 5, r=fyren). 2013-08-11 11:33:47 -07:00
David Anderson
5935070dfa Remove InfoVars::memory (bug 5844 part 4, r=ds). 2013-08-11 11:33:29 -07:00
David Anderson
8391c83121 Remove InfoVars::stp (bug 5844 part 3, r=fyren). 2013-08-11 11:31:55 -07:00
David Anderson
4255ee105f Remove InfoVars::data_size (bug 5844 part 2, r=ds). 2013-08-11 11:31:24 -07:00
David Anderson
e3c45bd1f7 Clean up INFO register structure (bug 5844 part 1, r=ds). 2013-08-11 11:30:27 -07:00