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52 Commits

Author SHA1 Message Date
Zack Middleton f7a20068ee Support vm syscalls with up to 15 args using 64 bit compiled vm (like interprated vms). 2011-09-09 21:54:14 +00:00
Thilo Schulz a248451e66 Fix warning on MacOSX 2011-08-10 21:21:54 +00:00
Thilo Schulz 99e157e066 - Add x86_64 platform for MacOSX 
- Fix compilation on MacOSX gcc
 2011-08-10 20:48:53 +00:00
Thilo Schulz 23f6fd1633 Bug 5094 - Code cleanup, patch by Zack Middleton and DevHC. Fixes unused-but-set gcc warnings 2011-07-29 12:27:00 +00:00
Thilo Schulz 2f502aceb2 - Fix opStack size for vm_x86.c 
- Change opStack alignment to 16 for vm_x86_64.c
 2011-06-27 20:22:32 +00:00
Thilo Schulz 19f54e5400 Allow recursive VM entry for VM operations as well 2011-06-23 00:00:27 +00:00
Thilo Schulz 95691ded36 Fix x64 compilation on MSVC 2011-06-21 12:32:43 +00:00
Thilo Schulz 8b7870b81f Fix wrong macro. MSVC win32 build should work again now. 2011-06-16 02:01:13 +00:00
Thilo Schulz 83522282f1 Various fixes to vm_interpreted.c: 
- Add opStack protection
- Fix dataMask check for OP_BLOCK_COPY
- Add instruction number check for conditional jumps
- Make errors in VM_PrepareInterpreter nonfatal
 2011-06-16 01:11:45 +00:00
Thilo Schulz a447aa82af Fix #if macros for idx64 and id386 2011-06-15 14:10:20 +00:00
Thilo Schulz 03201aff22 - Add MASM assembler files for MSVC x64 projects to support vm_x86 in x64 mode 
- Clean up ftol()/snapvector() mess
- Make use of SSE instructions for ftol()/snapvector() if available
- move ftol/snapvector pure assembler to inline assembler, this will add x86_64 and improve support for different calling conventions
- Set FPU control word at program startup to get consistent behaviour on all platforms
 2011-06-13 09:56:39 +00:00
Thilo Schulz 71b8fe477d - Use EmitCallDoSyscall() to call the jump violations function which guarantees 16-byte stack alignment 
- Add x64 code for MSVC _asm() blocks, not tested yet.
 2011-06-06 14:29:45 +00:00
Thilo Schulz c174143dc2 - Add x86_64 support to vm_x86.c 
- Fix warning on mingw64
 2011-06-01 15:17:18 +00:00
Thilo Schulz 4b1418c4ad - Implement opStack protection: Use register %ebx for scaled indexed addressing mode to access opStack, make opStack push/pop operate on %bl portion only 
- Add a third pass to VM compilation for computation of jump address offsets, removing the need to dereference into vm->instructionPointers[] for every call/jump
- Make use of 0F opcode prefix relative jumps
- Call Com_Memcpy for OP_BLOCK_COPY
- Fix several missing range checks for vm->dataBase memory access
 2011-05-23 00:46:46 +00:00
Thilo Schulz b8ef880d85 I don't seem to get these constraints right. This should fix it 2011-05-19 03:47:35 +00:00
Thilo Schulz a42239e1e5 Fix VM call for release version, bug introduced by myself in r1994 2011-05-18 16:06:08 +00:00
Thilo Schulz 3f9ec83ce0 - Use edx for CALLs instead of ecx, as the latter does not require any push to stack 
- Make Linux AT&T asm code consistent with the MASM codeblock
 2011-05-17 12:07:56 +00:00
Thilo Schulz 017bc7e5da - Add vm_x86.c optimization patch by Eugene C. 
- Remove ASM syntax specific code (AT&T vs MASM) for OP_CALL and replace with machine code
 2011-05-15 13:15:14 +00:00
Thilo Schulz 716caf396e - Reverting accidentally committed vm_x86.c 
- Last commit contained some refactoring for vm_x86_64.c
 2011-05-14 14:39:48 +00:00
Thilo Schulz 30059eb8ce ensure that ent->classname is always non-null (for entity numbers up to level.num_entities-1, and ENTITYNUM_WORLD and ENTITYNUM_NONE), for player entities and #ENTITYNUM_NONE in particular, patch by DevHC 2011-05-14 14:34:18 +00:00
Thilo Schulz 36314a1622 Add error handling to malloc as well 2011-05-09 15:40:30 +00:00
Thilo Schulz e05c9ad1c2 - Make some string functions in g_cmds.c cleaner, by DevHC 
- embed VM_FREEBUFFERS() macro in do-while-loop
 2011-02-10 18:56:18 +00:00
Thilo Schulz 544a1c0c1a - Use MAP_FAILED error code for check whether mmap() was successful 
- Replace various malloc() with Z_Malloc
- Fix several memory leaks when VM compilation failed and Com_Error is called
- Make failed mmap/VirtualAlloc/malloc calls fatal
 2011-02-10 18:45:28 +00:00
Ludwig Nussel c51d99117c use mmap on freebsd too 2010-11-22 07:12:35 +00:00
Tim Angus 5663ff1362 * (bug #4249) Fix buffer overflow in x86 VM 2009-10-19 23:01:00 +00:00
Ryan C. Gordon 33beb9df27 Patched to compile. 2009-09-15 05:30:08 +00:00
Ryan C. Gordon bccd80e523 Added Intel CC compatibility to vm_x86.c's inline asm. 
Fixes Bugzilla #3338.
 2009-09-15 03:42:29 +00:00
Ludwig Nussel 84fbc2252f align stack before re-entering engine to make sse work (#4051) 2009-05-02 17:15:51 +00:00
Tim Angus 1af6eb9592 * More robust x86 vm entrypoint/callback assembly (Tron) 2008-08-17 23:22:06 +00:00
Tim Angus 9a5d971705 * Fix memory leak in win32 VM code (arQon/dmitry) 2008-08-06 16:09:29 +00:00
Tim Angus 672cfbf16f * Merge unified-sdl to trunk 
* Bump Q3_VERSION to 1.35
 2007-09-05 18:17:46 +00:00
Tim Angus 0c99c0c1d2 * Fix a few -pedantic warnings 2007-07-25 21:28:15 +00:00
Thilo Schulz a08a539c10 Fix JIT compiler code execution on NX-protected win32 OS 2006-05-15 15:57:02 +00:00
Ludwig Nussel 39f2e449b6 use mmap to allocate memory for generated code to be able to set PROT_EXEC 2006-03-04 11:14:44 +00:00
Ludwig Nussel 4c242115dc - change long to intptr_t for 64bit windows compatability 
- change vmMain arguments back to int. 64bit types are apparently not
  needed there. Only the syscall function needs them.
 2006-02-18 19:07:23 +00:00
Tim Angus e74947be2c * x86 OS X support 2006-01-15 15:22:13 +00:00
Tim Angus e95f1f2106 * Fix to the gcc4/-O0 x86 JIT compiler bug 2006-01-06 00:04:05 +00:00
Tim Angus 05e8ab9538 * Added STATUS 
* Updated TODO
* Moved ChangeLog to root
* Updated ChangeLog
* s/Foobar/Quake III Arena Source Code/
* Biggest patch EVAR. I wonder how many mail boxes this will fill...
 2005-10-29 01:53:09 +00:00
Tim Angus ffdc69f138 * Deleted code/unix/vm_x86.c - wtf was that about anyway? 
* Removed HAVE_VM_NATIVE
* Removed DLL_ONLY
* Replace HAVE_VM_COMPILED with NO_VM_COMPILED -- this means the JIT compiler
  should be enabled on the OS X and VC builds now
* Remove the remainder of the freetype building stuff
 2005-10-29 00:23:10 +00:00
Tim Angus 35cb35ff61 * (Non-trivial) fix to the "opStack corrupted in compiled code" bug 2005-10-13 14:47:00 +00:00
Ludwig Nussel d5fbff3f44 revert int->long change as it breaks on 64bit. Actually only 
VM_CallInterpreted hurts as VM_CallCompiled is only used on 32bit. Use
same arg types for consistency nevertheless.
 2005-09-26 22:23:46 +00:00
Tim Angus cde9e9e93c * Fixed some long/int warnings, hopefully this doesn't disrupt the MSVC and/or 64bit builds 2005-09-26 16:13:14 +00:00
Tim Angus 1ad7f9cff1 * Fix to broken win32 fix patch 2005-09-26 13:47:59 +00:00
Zachary Slater aff4d7d858 Hopefully this will fix win32 msvc.netsuperduper++220000 extra entropy edition 
compilation, and I updated the readme a little apparently.
 2005-09-26 02:36:52 +00:00
Tim Angus 4bc5c29115 * FreeBSD fixes/updates from Andreas Kohn 2005-09-25 22:04:51 +00:00
Tim Angus 2b8395a4d0 * Replaced lots of __linux__ || __FreeBSD__ with __GNUC__ 
* MinGW port now uses asm versions of SnapVector and ftol
* Improved the handling of mangled symbols in vm_x86.c
 2005-09-23 02:59:15 +00:00
Tim Angus fcaf343d7f * Port to MinGW 2005-09-22 03:21:33 +00:00
Ludwig Nussel 5ae70d54b0 remove svn:executable property 2005-08-28 17:54:51 +00:00
Zachary Slater 8b1d93b397 Patching from floam with some edits by myself: 
I was working on a patch earlier to fix some more things up to be more
modern, and I added a couple lines from that cleanup patch I showed you
on irc. Some commented code was removed, some stuff was made to not be
broke (old head usage), the makefile should install things better, and a
a few GCC warnings were gagged. I also attempted to version it but
you'll probably want to change that to whatever versioning rules you
decide on using.
 2005-08-28 03:46:44 +00:00
Zachary Slater 59cce31e75 newlines fixed 2005-08-26 17:39:27 +00:00