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24 Commits

Author SHA1 Message Date
Yuri Gorshenin 3e22bb8c54 [asan-asm-instrumentation] Added comment describing how asm instrumentation works. 
Summary: [asan-asm-instrumentation] Added comment describing how asm instrumentation works.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5970

llvm-svn: 220670
 2014-10-27 08:38:54 +00:00
NAKAMURA Takumi 9ff272f382 X86AsmInstrumentation.cpp: Dissolve initializer-ranged-for. MSC17 disliked it. 
llvm-svn: 220301
 2014-10-21 16:22:52 +00:00
Yuri Gorshenin 171eb8dbeb [asan-asm-instrumentation] Fixed memory accesses with rbp as a base or an index register. 
Summary: Fixed memory accesses with rbp as a base or an index register.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5819

llvm-svn: 220283
 2014-10-21 10:22:27 +00:00
Yuri Gorshenin ab1b88ab59 [asan-asm-instrumentation] Follow-up fixes to r219602: asserts are moved into 
function.

llvm-svn: 219610
 2014-10-13 11:44:06 +00:00
Yuri Gorshenin 46853b55fa [asan-asm-instrumentation] Fixed memory references which includes %rsp as a base or an index register. 
Summary: [asan-asm-instrumentation] Fixed memory references which includes %rsp as a base or an index register.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5599

llvm-svn: 219602
 2014-10-13 09:37:47 +00:00
Yuri Gorshenin e8c81fd25a [asan-asm-instrumentation] CFI directives are generated for .S files. 
Summary: CFI directives are generated for .S files.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5520

llvm-svn: 219199
 2014-10-07 11:03:09 +00:00
Yuri Gorshenin 3939dec1f7 [asan-assembly-instrumentation] Added CFI directives to the generated instrumentation code. 
Summary: [asan-assembly-instrumentation] Added CFI directives to the generated instrumentation code.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5189

llvm-svn: 217482
 2014-09-10 09:45:49 +00:00
Yuri Gorshenin c107d147dc [asan-assembly-instrumentation] Prologue and epilogue are moved out from InstrumentMemOperand(). 
Reviewers: eugenis

Subscribers: llvm-commits

Differential revision: http://reviews.llvm.org/D4923

llvm-svn: 216879
 2014-09-01 12:51:00 +00:00
Yuri Gorshenin e2f01eb730 Revert "[asan-assembly-instrumentation] Prologue and epilogue are moved out from InstrumentMemOperand()." 
This reverts commit 895aa397038b8de86d83ac0997a70949a486e112.

llvm-svn: 216872
 2014-09-01 10:24:04 +00:00
Yuri Gorshenin 506a170d63 [asan-assembly-instrumentation] Prologue and epilogue are moved out from InstrumentMemOperand(). 
llvm-svn: 216869
 2014-09-01 09:56:45 +00:00
Evgeniy Stepanov 5050553ab8 Clang-format over X86AsmInstrumentation.* with LLVM style. 
r216536 mistakenly used -style=Google instead of LLVM.

llvm-svn: 216543
 2014-08-27 13:11:55 +00:00
Evgeniy Stepanov 4d04f66627 Clang-format over X86AsmInstrumentation.*. 
llvm-svn: 216536
 2014-08-27 11:10:54 +00:00
Evgeniy Stepanov 77ad86681f [asan] Support x86 REP MOVS asm instrumentation. 
Patch by Yuri Gorshenin.

llvm-svn: 214395
 2014-07-31 09:11:04 +00:00
Evgeniy Stepanov 6fa6c677cc [asan] Generate asm instrumentation in MC. 
Generate entire ASan asm instrumentation in MC without
relying on runtime helper functions.

Patch by Yuri Gorshenin.

llvm-svn: 212455
 2014-07-07 13:57:37 +00:00
David Blaikie 960ea3f018 AsmMatchers: Use unique_ptr to manage ownership of MCParsedAsmOperand 
I saw at least a memory leak or two from inspection (on probably
untested error paths) and r206991, which was the original inspiration
for this change.

I ran this idea by Jim Grosbach a few weeks ago & he was OK with it.
Since it's a basically mechanical patch that seemed sufficient - usual
post-commit review, revert, etc, as needed.

llvm-svn: 210427
 2014-06-08 16:18:35 +00:00
Evgeniy Stepanov fc9c78a6b6 [asan] Fix x86-32 asm instrumentation to preserve flags. 
Patch by Yuri Gorshenin.

llvm-svn: 209280
 2014-05-21 08:14:24 +00:00
Benjamin Kramer 8bbadc0383 [asan] Stop leaking X86Operands. 
llvm-svn: 208400
 2014-05-09 09:48:03 +00:00
Evgeniy Stepanov 9661ec0ec3 [asan] Preserve flags in asm instrumentation. 
Patch by Yuri Gorshenin.

llvm-svn: 208296
 2014-05-08 09:55:24 +00:00
Evgeniy Stepanov 3819f02819 [asan] Add a flag to control asm instrumentation. 
With this change, asm instrumentation is disabled by default.

llvm-svn: 208167
 2014-05-07 07:54:11 +00:00
Evgeniy Stepanov 29865f7803 [asan] Disable asm instrumentation on unsupported platforms. 
Only emit calls to compiler-rt asm routines on platforms where they are
present (currently limited to linux i386/x86_64).

Patch by Yuri Gorshenin.

llvm-svn: 207651
 2014-04-30 14:04:31 +00:00
Evgeniy Stepanov f4a36999ad [asan] Use MCInstrInfo in inline asm instrumentation. 
Patch by Yuri Gorshenin.

llvm-svn: 207115
 2014-04-24 13:29:34 +00:00
Evgeniy Stepanov b6c47a5bd2 [asan] Fix instrumentation of x86 intel syntax inline assembly. 
Patch by Yuri Gorshenin.

llvm-svn: 207092
 2014-04-24 09:56:15 +00:00
Evgeniy Stepanov 0a951b775e Create MCTargetOptions. 
For now it contains a single flag, SanitizeAddress, which enables
AddressSanitizer instrumentation of inline assembly.

Patch by Yuri Gorshenin.

llvm-svn: 206971
 2014-04-23 11:16:03 +00:00
Evgeniy Stepanov 49e2625144 AddressSanitizer instrumentation for MOV and MOVAPS. 
This is an initial version of *Sanitizer instrumentation of assembly code.

Patch by Yuri Gorshenin.

llvm-svn: 203908
 2014-03-14 08:58:04 +00:00