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1320 Commits

Author SHA1 Message Date
Alexey Samsonov 2906117857 [ASan] now we don't need llvm_obj_root to access llvm-symbolizer tool 
llvm-svn: 167823
 2012-11-13 07:55:16 +00:00
Alexey Samsonov c835b9e4a3 [ASan] test blacklist functionality for global-init-order checker (r167725) 
llvm-svn: 167727
 2012-11-12 14:03:00 +00:00
Alexander Potapenko 9448581d9e [ASan] Remove llvm-symbolizer from compiler-rt/utils/ 
This is the first (1/2) part of a change that moves llvm-symbolizer to llvm/tools/, which will allow to build it
with both cmake and configure+make.

llvm-svn: 167722
 2012-11-12 11:32:42 +00:00
Alexander Potapenko 5066c5d9b7 [ASan] Fix the golden stack for use-after-free.cc. 
The change has been caused by the switch to llvm-symbolizer, that prints inlined stack frames.
This should fix PR 14251

llvm-svn: 167721
 2012-11-12 11:27:24 +00:00
Dmitry Vyukov 317f39290d tsan: intercept gettimeofday() 
llvm-svn: 167630
 2012-11-09 19:55:06 +00:00
Alexey Samsonov ae9b18b607 [Sanitizer] add sanity checks for communication with external symbolizer 
llvm-svn: 167617
 2012-11-09 14:45:30 +00:00
Dmitry Vyukov 805006b0ab tsan: switch to new memory_order constants (ABI compatible) 
llvm-svn: 167614
 2012-11-09 14:11:51 +00:00
Dmitry Vyukov 4e5f72d380 tsan: add __tsan_atomicX_compare_exchange_val() function 
It's easier to call from compiler module.

llvm-svn: 167611
 2012-11-09 12:54:37 +00:00
Alexander Potapenko 4b8e32de12 Add a possible underscore before the wrappers to the output expectations for Darwin 
llvm-svn: 167610
 2012-11-09 11:55:33 +00:00
Alexey Samsonov 75fb677fd1 [Sanitizer] Build all sanitizer runtime libraries with debug info (with -gline-tables-only, if it's available) 
llvm-svn: 167584
 2012-11-08 14:49:28 +00:00
Dmitry Vyukov 26216e4ae3 tsan: add range access functions for Go 
llvm-svn: 167580
 2012-11-08 13:38:45 +00:00
Alexey Samsonov 37119db20a [ASan] avoid including <new> header in ASan runtime 
llvm-svn: 167579
 2012-11-08 13:31:19 +00:00
Dmitry Vyukov e829b6231a tsan: change TSAN_OPTIONS->GORACE in build script as well 
llvm-svn: 167578
 2012-11-08 13:23:13 +00:00
Alexey Samsonov c463f3077e [Sanitizer] try to fix Windows bot - include stdlib.h for abort/_exit functions 
llvm-svn: 167577
 2012-11-08 13:08:41 +00:00
Dmitry Vyukov 9952b674ca tsan: use GORACE env for options for Go 
llvm-svn: 167575
 2012-11-08 11:32:40 +00:00
Dmitry Vyukov 67dc5702f8 tsan: do not sleep at exit if there are no other threads 
llvm-svn: 167533
 2012-11-07 16:41:57 +00:00
Dmitry Vyukov ea4f1990e1 tsan: add flag to suppress all reports (useful for benchmarking) 
llvm-svn: 167532
 2012-11-07 16:14:12 +00:00
Dmitry Vyukov e11f2920c9 tsan: more precise handling of finalizers 
llvm-svn: 167530
 2012-11-07 15:08:20 +00:00
Dmitry Vyukov da78be74f3 tsan: slightly relax requirements for lazy shadow memory (can overlap and may not be properly aligned) 
it's problematic on windows where allocation granularity is much larger than page size

llvm-svn: 167466
 2012-11-06 16:48:46 +00:00
Dmitry Vyukov c015712992 tsan: lazily allocate shadow for Go 
llvm-svn: 167464
 2012-11-06 16:00:16 +00:00
Dmitry Vyukov e86c632015 tsan: fix debug output 
llvm-svn: 167463
 2012-11-06 15:54:34 +00:00
Dmitry Vyukov a0be3e2c68 tsan: better diagnostics for failed mmap() 
llvm-svn: 167462
 2012-11-06 15:39:16 +00:00
Dmitry Vyukov 95b9a362ff tsan: fix compiler warning 
llvm-svn: 167458
 2012-11-06 14:05:20 +00:00
Dmitry Vyukov e4c2fd4c2f tsan: windows platform support 
llvm-svn: 167457
 2012-11-06 13:35:02 +00:00
Dmitry Vyukov 7234a5b54d tsan: update script to support windows 
llvm-svn: 167456
 2012-11-06 13:32:53 +00:00
Dmitry Vyukov 5f93416c94 tsan: add shadow mapping for windows 
llvm-svn: 167455
 2012-11-06 13:26:57 +00:00
Dmitry Vyukov ee563c10c6 tsan: add missing function for windows 
llvm-svn: 167454
 2012-11-06 13:25:05 +00:00
Dmitry Vyukov 1d4120b210 tsan: fix constant types 
llvm-svn: 167453
 2012-11-06 13:21:06 +00:00
Dmitry Vyukov 0ff6d2dd6c tsan: windows: less includes, better diagnostics for failed VirtualAlloc(), implement sched_yield() 
llvm-svn: 167452
 2012-11-06 13:19:59 +00:00
Dmitry Vyukov ba827dfdae tsan: don't release disabled clocks 
llvm-svn: 167451
 2012-11-06 13:16:25 +00:00
Dmitry Vyukov 2817639411 tsan: define missing compier macros for windows 
llvm-svn: 167450
 2012-11-06 12:54:16 +00:00
Dmitry Vyukov e9bafdf5b8 tsan: fix non-msvc windows build 
llvm-svn: 167449
 2012-11-06 12:50:13 +00:00
Dmitry Vyukov 04dd4b7349 tasn: improve sanitizer_internal_defs.h 
The file uses namespaces and extern "LANG", so it's kinda senseless to use #ifdef __cplusplus

llvm-svn: 167448
 2012-11-06 12:49:22 +00:00
Dmitry Vyukov e6b5a696e3 tsan: fix windows build 
__declspec is not _WIN32, it's _MSC_VER

llvm-svn: 167447
 2012-11-06 12:47:42 +00:00
Dmitry Vyukov 1ec08f3627 tsan: fix Go build 
llvm-svn: 167446
 2012-11-06 12:46:26 +00:00
Richard Smith 77930919ad Update compiler-rt tests to match flag renaming/deprecation in Clang. 
llvm-svn: 167434
 2012-11-06 02:31:42 +00:00
Alexey Samsonov 58358897a3 [Sanitizer] Add internal_isatty to sanitizer_libc and PrintsToTty to determine whether error reports are printed to terminal 
llvm-svn: 167298
 2012-11-02 15:18:34 +00:00
Alexey Samsonov f7a24c4e2b [Sanitizer] fix printf unittest on 32-bit arch 
llvm-svn: 167297
 2012-11-02 14:28:17 +00:00
Alexey Samsonov 008274440a [Sanitizer] move unit test for Printf from tsan to sanitizer_common 
llvm-svn: 167296
 2012-11-02 12:36:11 +00:00
Alexey Samsonov ad9d65feb8 [TSan] finally remove TsanPrintf in favor of Printf from sanitizer_common 
llvm-svn: 167294
 2012-11-02 12:17:51 +00:00
Alexey Samsonov 20ba98fdb1 [Sanitizer] Use kStderrFd constant instead of hardcoded 2 
llvm-svn: 167291
 2012-11-02 09:38:47 +00:00
Alexey Samsonov fd67c83e7e [Sanitizer]: add __sanitizer_set_report_fd function to alter file descriptor for error reports 
llvm-svn: 167290
 2012-11-02 09:23:36 +00:00
Alexey Samsonov 0c8b755839 Flag -ccc-clang-cxx was removed in r166986, remove it from compiler-rt lit configs 
llvm-svn: 167010
 2012-10-30 10:06:42 +00:00
Richard Smith 8f4d7eb518 Consistently declare 'extern "C"' variable in namespace __ubsan. No functionality change. 
llvm-svn: 166966
 2012-10-29 21:01:59 +00:00
Richard Smith f0aac0b99e Don't define an extern "C" variable in its first declaration, to appease a 
bogus gcc warning. Take this opportunity to move the declaration to the header,
since it's part of the API of this file.

llvm-svn: 166965
 2012-10-29 20:54:34 +00:00
Alexander Potapenko dda4f0b593 Fix a compiler warning in internal_memmove. 
llvm-svn: 166775
 2012-10-26 13:47:36 +00:00
Alexander Potapenko 2a1925852d Fix the internal_memmove() implementation that used to skip src[0] if dst < src. 
llvm-svn: 166774
 2012-10-26 13:24:20 +00:00
Alexey Samsonov 23b9199776 [ASan] don't run hacky test for __asan_get_free_bytes() on 32-bits 
llvm-svn: 166771
 2012-10-26 12:10:24 +00:00
Alexander Potapenko 99843d3a29 In the dynamic runtime on Mac OS, do not call internal_strdup() before __asan_init(). 
This may result in a crash at startup.
Fixes http://code.google.com/p/address-sanitizer/issues/detail?id=123.

llvm-svn: 166768
 2012-10-26 11:31:14 +00:00
Richard Smith 2f0d7d564c -fcatch-undefined-behavior checking for appropriate vptr value: library side. 
llvm-svn: 166660
 2012-10-25 02:07:02 +00:00
Evgeniy Stepanov 64579da1a7 Build ASan runtime for ARM/Android. 
llvm-svn: 166559
 2012-10-24 14:03:41 +00:00
Alexander Potapenko 1eef2b813c [ASan] Rename ReplaceCFAllocator to MaybeReplaceCFAllocator. 
Replace the allocator only if the replace_cfallocator flag is set (in some cases it wasn't checked)

llvm-svn: 166550
 2012-10-24 09:35:23 +00:00
Alexander Potapenko faa9c86fd0 [ASan] Use internal_memmove() in both static and dynamic runtime libraries if asan_inited != 0. 
llvm-svn: 166549
 2012-10-24 09:19:16 +00:00
Alexey Samsonov cea6239219 [ASan] Due to data races, ASan malloc stats are inaccurate, which may cause certain ASan interface functions returning negative values (casted to unsigned). Return a reasonable value if such a case is detected. 
llvm-svn: 166548
 2012-10-24 09:19:11 +00:00
Alexey Samsonov 555d1c5ab8 [ASan] add comment to blacklist file to test behavior introduced in r166283 
llvm-svn: 166284
 2012-10-19 15:26:48 +00:00
Alexey Samsonov 521309294f [ASan] instrumented asan unit tests should depend on blacklist file 
llvm-svn: 166282
 2012-10-19 15:18:14 +00:00
Bob Wilson 201bf679b2 Fix comment typo. 
llvm-svn: 166246
 2012-10-18 23:08:23 +00:00
Evgeniy Stepanov ad18287e56 [asan] Disable new/delete interceptors on Android and make them visible elsewhere. 
llvm-svn: 166180
 2012-10-18 15:22:08 +00:00
Alexey Samsonov b9fdf27357 [Sanitizer] fall back to online symbolizer if user-provided callback failed 
llvm-svn: 166177
 2012-10-18 11:46:22 +00:00
Chandler Carruth 580916eacb Re-enable this test now that r166172 has hacked around the terrible 
limitations of the pass manager stack in the pass manager builder.

llvm-svn: 166173
 2012-10-18 08:06:28 +00:00
Daniel Dunbar e5e1c643df build/clang_darwin: Don't try to build ARM contents on 10.6. 
- The cctools' ranlib on 10.6 has a bug and can't understand our ARM object
   files.

llvm-svn: 166114
 2012-10-17 18:33:43 +00:00
Daniel Dunbar b02dcec79e build/make: There is no need to put timestamps into .dir files, and it just 
makes trees less comparable.

llvm-svn: 166111
 2012-10-17 18:21:21 +00:00
Alexey Samsonov 5f1a7589ad [ASan] unit tests: Move main() to a separate file. Fix lint 
llvm-svn: 166104
 2012-10-17 14:04:57 +00:00
Kostya Serebryany 9ced62d195 [asan] added a test for a bug in asan at -O0 introduced by r165936 (making asan a FunctionPass). The test is not actually enabled for -O0 yet (since it fails) 
llvm-svn: 166103
 2012-10-17 13:42:04 +00:00
Alexey Samsonov 7b52cb9e6d [ASan] Fix strchr/index tests for users who have 'char* strchr(char*,int)' instead of 'char* strchr(const char*, int)' 
llvm-svn: 166101
 2012-10-17 13:39:09 +00:00
Alexey Samsonov 4230a4a05a [ASan] don't use attribute no_address_safety_analysis if it's unknown to compiler 
llvm-svn: 166099
 2012-10-17 13:19:59 +00:00
Alexey Samsonov 68791d162a [Sanitizer] symbolizer: increase the maximal number of shared libraries to 16K 
llvm-svn: 166098
 2012-10-17 13:12:23 +00:00
Kostya Serebryany 05a3b01d4f [asan] fix gcc warnings while building asan-rt 
llvm-svn: 166093
 2012-10-17 08:50:53 +00:00
Alexander Potapenko e3e80d607f Do not call ReplaceCFAllocator() before __CFInitialize(), otherwise crashes are possible on 10.8. 
Fixes http://code.google.com/p/address-sanitizer/issues/detail?id=122

llvm-svn: 166029
 2012-10-16 16:58:10 +00:00
Alexander Potapenko 5109e3ef88 Commit a leftover file from r166026: Add MACOS_VERSION_MOUNTAIN_LION. 
llvm-svn: 166028
 2012-10-16 16:48:51 +00:00
Alexander Potapenko 4a78e1002d Add MACOS_VERSION_MOUNTAIN_LION. 
llvm-svn: 166026
 2012-10-16 16:24:49 +00:00
Kostya Serebryany 278bd2e3a3 [asan] fix lint 
llvm-svn: 166006
 2012-10-16 04:50:32 +00:00
Daniel Dunbar 345b09cb80 platform/clang_darwin: Drop an x86_64 slice into cc_kext_ios5. 
- This doesn't get used, but it is a simple workaround for PR14013.

llvm-svn: 165987
 2012-10-15 22:23:34 +00:00
Daniel Dunbar ccd312520b Un-revert r164907 and r164902 (+ follow-ups), 10.6 build fix to follow. 
llvm-svn: 165986
 2012-10-15 22:23:32 +00:00
Nico Weber 926e072016 Revert r164907 and r164902 (+ follow-ups). They broke building on 10.6. 
See PR14013.

llvm-svn: 165963
 2012-10-15 20:37:13 +00:00
Alexander Potapenko 7b03290c43 Implement internal_memmove. 
Use internal_memmove() and internal_memcpy() in the memcpy() and memmove() wrappers
when building the dynamic runtime (OS X only), to work around a bug in resolver functions wrapping.
See also http://code.google.com/p/address-sanitizer/issues/detail?id=116

llvm-svn: 165939
 2012-10-15 15:34:41 +00:00
Kostya Serebryany ee112b5d7f [asan] fix more tests 
llvm-svn: 165934
 2012-10-15 13:30:38 +00:00
Kostya Serebryany 16205cd4fa [asan] change the asan output slightly to avoid user confusion: a) add ':' after 'AddressSanitizer' and b) changed 'crashed' to 'SEGV' 
llvm-svn: 165932
 2012-10-15 13:04:58 +00:00
Richard Smith feea5d6fb4 Provide a slightly more helpful diagnostic if -fcatch-undefined-behavior finds 
a problem with __int128 arithmetic but the runtime was not built with __int128
support.

llvm-svn: 165913
 2012-10-14 23:53:37 +00:00
Richard Smith 130b748b72 Use a better test for __int128 support, which works on old GCC versions. 
llvm-svn: 165912
 2012-10-14 23:28:55 +00:00
Chandler Carruth eea8a48218 Fix the bootstrap of CompilerRT with host compilers that don't support 
emulating 128-bit arithmetic on 32-bit x86 targets. This should get the
bootstrap back for GCC 4.6 at least.

Suggestions on better ways to do the detection here are welcome...

llvm-svn: 165863
 2012-10-13 02:30:10 +00:00
Richard Smith 7247b23efc -fcatch-undefined-behavior: Runtime library support for trapping conversions to or 
from a floating-point type where the source value is not in the range of
representable values of the destination type.

llvm-svn: 165844
 2012-10-12 22:57:15 +00:00
Richard Smith 22cc16462e -fcatch-undefined-behavior: handler for VLA bound which evaluates to a non-positive value. 
llvm-svn: 165582
 2012-10-10 01:10:59 +00:00
Richard Smith b6fb381dba -fcatch-undefined-behavior: store the type name directly at the end of a type descriptor. 5% binary size reduction due to fewer relocations. 
llvm-svn: 165571
 2012-10-09 23:55:18 +00:00
Richard Smith 68b3014cd3 Add a runtime diagnostics library for Clang's -fcatch-undefined-behavior. 
llvm-svn: 165533
 2012-10-09 19:34:32 +00:00
Alexey Samsonov 7b6ce747d6 Determine supported archs for compiler-rt libraries on Linux by trying to compile a simple executable 
llvm-svn: 165504
 2012-10-09 16:05:50 +00:00
Alexey Samsonov 83ecabe6e6 [Sanitizer] Remove unneeded returns after UNIMPLEMENTED macro 
llvm-svn: 165493
 2012-10-09 08:51:08 +00:00
Alexey Samsonov 3a0a88fe0a [Sanitizer] Add UNREACHABLE(msg) macro 
llvm-svn: 165492
 2012-10-09 08:42:07 +00:00
Alexey Samsonov 480477c0e1 [ASan] use llvm-symbolizer for ASan lit-style tests on Mac 
llvm-svn: 165391
 2012-10-08 13:11:18 +00:00
Alexey Samsonov 0111f55eac llvm-symbolizer for Mac: add support for reading DWARF from separate object file in resource directory generated by dsymutil. Fix minor symbol table lookup issues. 
llvm-svn: 165389
 2012-10-08 10:17:44 +00:00
Dmitry Vyukov 19ba50a8b9 tsan: better message about found races for Go ThreadSanitizer 
llvm-svn: 165376
 2012-10-07 14:21:24 +00:00
Dmitry Vyukov 90c9cbfed4 tsan: cache pc's that cause suppressions (this way we do not need to symbolize the reports) 
llvm-svn: 165317
 2012-10-05 15:51:32 +00:00
Alexander Potapenko b4db79fc7d If !asan_inited, call internal versions of libc functions where available. 
This is to remove unnecessary #if directives.

llvm-svn: 165307
 2012-10-05 12:11:06 +00:00
Dmitry Vyukov 6d5bd599c2 tsan for Go: support mallocs before __tsan_init() (required to support cgo code) 
llvm-svn: 165229
 2012-10-04 13:54:49 +00:00
Alexander Potapenko d2f6b97417 Avoid calling __asan_init from memcpy(), memmove(), memset() during libSystem initialization. 
Fixes http://code.google.com/p/address-sanitizer/issues/detail?id=117.

llvm-svn: 165227
 2012-10-04 13:41:28 +00:00
Alexey Samsonov 3197f8e6cb [ASan] don't build 64-bit runtime on 32-bit Linux platforms 
llvm-svn: 165222
 2012-10-04 12:22:33 +00:00
Dmitry Vyukov b96a7b5aa5 tsan: add atomic_fetch_sub() and atomic_signal_fence() functions 
llvm-svn: 165218
 2012-10-04 10:08:23 +00:00
Kostya Serebryany cb13fff13d [asan] properly report mmap failure 
llvm-svn: 165214
 2012-10-04 07:21:09 +00:00
Bill Wendling 836d53015e I'm getting these errors with r165159: 
/Users/void/llvm/llvm-tot.src/projects/compiler-rt/lib/arm/eqdf2vfp.S:22:2: error: instruction requires: VFP2
 vmov d6, r0, r1
 ^
/Users/void/llvm/llvm-tot.src/projects/compiler-rt/lib/arm/eqdf2vfp.S:23:2: error: instruction requires: VFP2
 vmov d7, r2, r3
 ^
/Users/void/llvm/llvm-tot.src/projects/compiler-rt/lib/arm/eqdf2vfp.S:24:2: error: instruction requires: VFP2
 vcmp.f64 d6, d7
 ^
/Users/void/llvm/llvm-tot.src/projects/compiler-rt/lib/arm/eqdf2vfp.S:25:2: error: instruction requires: VFP2
 vmrs apsr_nzcv, fpscr
 ^

llvm-svn: 165191
 2012-10-04 01:44:41 +00:00
Bob Wilson 1ff65860e4 Back out my temporary workaround for Apple buildbots. 
--- Reverse-merging r164909 into '.':
U    make/platform/clang_darwin.mk

llvm-svn: 165159
 2012-10-03 21:03:42 +00:00