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1485 Commits

Author SHA1 Message Date
Richard Smith 99507e6c10 ubsan: Don't assume that Clang provides __int128 unless it advertises that it does. 
llvm-svn: 168857
 2012-11-29 05:59:30 +00:00
Kostya Serebryany df5f3028e2 [asan] add DISABLED_BuiltinLongJmpTest 
llvm-svn: 168793
 2012-11-28 15:01:23 +00:00
Dmitry Vyukov 4a48553869 tsan: explicitly say that failed to restore the stack 
llvm-svn: 168790
 2012-11-28 13:30:06 +00:00
Dmitry Vyukov eb3d36e649 tsan: address several review comments 
llvm-svn: 168789
 2012-11-28 13:01:32 +00:00
Dmitry Vyukov 3374e3f874 tsan: add log_path parameter (similar to asan) 
remove old log_fileno

llvm-svn: 168788
 2012-11-28 12:56:52 +00:00
Dmitry Vyukov e1a7f338a3 tsan: dynamic history size 
introduces history_size parameter that can be used to control trace size at startup

llvm-svn: 168786
 2012-11-28 12:19:50 +00:00
Dmitry Vyukov 00e4604d6b tsan: change fast state layout in preparation to dynamic traces 
llvm-svn: 168784
 2012-11-28 10:49:27 +00:00
Dmitry Vyukov 2429b02770 tsan: move traces from tls into dedicated storage at fixed address 
helps to reduce tls size (it's weird to have multi-MB tls)
will help with dynamically adjustable trace size

llvm-svn: 168783
 2012-11-28 10:35:31 +00:00
Dmitry Vyukov 05d7ade34d tsan: add description of memory layouts in different configs 
llvm-svn: 168777
 2012-11-28 07:44:26 +00:00
Will Dietz 2631aaf939 ubsan: Support unsigned overflows, and divide-by-zero int/float split. 
llvm-svn: 168700
 2012-11-27 15:01:43 +00:00
Dmitry Vyukov ec8da99846 tsan: fix macro mess 
llvm-svn: 168697
 2012-11-27 12:51:16 +00:00
Dmitry Vyukov 69a071d5a6 tsan: fix compilation for dead old compilers (why we are supporting them at all?..) 
llvm-svn: 168693
 2012-11-27 09:35:44 +00:00
Dmitry Vyukov 210c21129e tsan: add memory range access functions to public iface 
llvm-svn: 168692
 2012-11-27 08:41:39 +00:00
Dmitry Vyukov 59d58665ee tsan: add 128-bit atomic operations 
llvm-svn: 168683
 2012-11-27 07:41:27 +00:00
Dmitry Vyukov 10362c46f1 tsan: refactor atomic operations implementation 
do the atomic operation under the sync object mutex
make acquire/release sync atomic with the operation itself
combine acquire and release into a single acq_rel operation

llvm-svn: 168682
 2012-11-27 07:25:50 +00:00
Nick Kledzik 9fb21e57e5 Automatically create .dSYM for libcompiler_rt.dylib when using Apple's internal build system 
llvm-svn: 168625
 2012-11-26 22:48:51 +00:00
Dmitry Vyukov 20678e2b68 tsan: explicitly mark symbols referenced from assembly as hidden 
this allows to build tsan runtime as dynamic library

llvm-svn: 168589
 2012-11-26 14:20:26 +00:00
Kostya Serebryany 19e34c23c5 [asan] fix Android build by not calling GetPageSizeCached in a test (no need for the page size anyway) 
llvm-svn: 168585
 2012-11-26 11:23:30 +00:00
Dmitry Vyukov 3b4501254f tsan: add atomic nand operation 
llvm-svn: 168584
 2012-11-26 09:42:56 +00:00
Dmitry Vyukov ce7a1ba196 tsan: faster memory reset for Go 
llvm-svn: 168567
 2012-11-25 16:05:42 +00:00
Kostya Serebryany df198db1aa [asan/tsan] get rid of kPageSize completely in favor of GetPageSizeCached(). This makes the code friendly to more platforms 
llvm-svn: 168537
 2012-11-24 05:03:11 +00:00
Dmitry Vyukov 195eda9922 tsan: add failure memory order to atomic compare exchange functions 
llvm-svn: 168518
 2012-11-23 15:51:45 +00:00
Kostya Serebryany f22c697f58 [asan] get rid of some of the uses of kPageSize. The intent is to get rid of it completely to support platforms with multiple possible page sizes. 
llvm-svn: 168517
 2012-11-23 15:38:49 +00:00
Alexey Samsonov 1a05424ee0 [ASan] move swapcontext_test to Linux-specific tests 
llvm-svn: 168513
 2012-11-23 11:20:54 +00:00
Alexey Samsonov aac36b345a [ASan] intercept swapcontext on Linux only 
llvm-svn: 168509
 2012-11-23 10:14:44 +00:00
Alexey Samsonov 0d7755ccb5 [ASan] Add interceptor for swapcontext to fight with false positives in some of its use cases. 
llvm-svn: 168508
 2012-11-23 09:46:34 +00:00
Dmitry Vyukov db584aded7 tsan: ensure than func entry/exit are inlined 
llvm-svn: 168506
 2012-11-23 07:14:11 +00:00
Dmitry Vyukov 6971414f3e tsan: fix more bugs in signal handling 
llvm-svn: 168497
 2012-11-22 13:53:54 +00:00
Dmitry Vyukov 3048e1a399 tsan: add missing \n in report 
llvm-svn: 168496
 2012-11-22 13:38:28 +00:00
Dmitry Vyukov 35437032be tsan: better error message for OOM 
llvm-svn: 168491
 2012-11-22 08:42:01 +00:00
Kostya Serebryany 8bc5421ba0 [asan] get rid of kPageSizeBits 
llvm-svn: 168426
 2012-11-21 13:31:07 +00:00
Evgeniy Stepanov 979a1e7352 Allow PopStackFrames leave the stack empty. 
llvm-svn: 168425
 2012-11-21 13:00:04 +00:00
Kostya Serebryany 734f1eb5f4 [asan/tsan] do not use __WORDSIZE macro, as it is glibc-private thing. Instead, define our own SANITIZER_WORDSIZE 
llvm-svn: 168424
 2012-11-21 12:38:58 +00:00
Dmitry Vyukov aeed45cde0 tsan: explictly say when we fail to restore a stack trace 
llvm-svn: 168423
 2012-11-21 11:44:20 +00:00
Alexey Samsonov 3a3488e4e1 [Sanitizer] replace while with internal_memset to make sure compiler won't replace it with library memset 
llvm-svn: 168422
 2012-11-21 11:12:57 +00:00
Dmitry Vyukov 9ca2afd3a1 tsan: fix handling of signals 
(do not execute synchronous signals in recursive interceptors)

llvm-svn: 168421
 2012-11-21 11:12:33 +00:00
Kostya Serebryany 6db8ad43df [asan] pop the two internal functions from the stack trace produced by _Unwind_Backtrace (Peter Bergner) 
llvm-svn: 168369
 2012-11-20 15:15:44 +00:00
Kostya Serebryany 87e0464bfb [asan] better support for powerpc and sparc targets (thanks to H.J. Liu and David Miller) 
llvm-svn: 168358
 2012-11-20 08:57:26 +00:00
Kostya Serebryany 46de580003 [asan] more support for powerpc, patch by Peter Bergner 
llvm-svn: 168356
 2012-11-20 07:00:42 +00:00
Alexey Samsonov 27a22688b9 [ASan] use raw Exit() to kill the program in case ASan finds an error while reporting the error in the same thread 
llvm-svn: 168308
 2012-11-19 11:22:22 +00:00
Kostya Serebryany 386e2d853b [asan] support x32 mode in the fast stack unwinder. Patch by H.J. Lu 
llvm-svn: 168306
 2012-11-19 10:31:00 +00:00
Alexey Samsonov 06b22c1513 [ASan] change interface of GetAccumulatedStats() function to prevent Clang from inserting memcpy() call into runtime. 
llvm-svn: 168305
 2012-11-19 10:25:17 +00:00
Kostya Serebryany cb9f62189b [asan] support PowerPC and SPARC in sanitizer_linux.cc 
llvm-svn: 168301
 2012-11-19 07:53:36 +00:00
Alexey Samsonov 56f1ef7d3b ubsan: fix broken test case by using brand new [[@LINE]] FileCheck feature 
llvm-svn: 168170
 2012-11-16 13:38:03 +00:00
Alexey Samsonov be9a293dda UBSan: enable CMake build on Darwin. Fix two failing tests and disable the test which produces linker errors on Darwin. 
llvm-svn: 168169
 2012-11-16 12:57:07 +00:00
Alexey Samsonov 77d35747be UBSan: fix support on Darwin in 'make' build system. Patch by Jean-Daniel Dupas. 
llvm-svn: 168167
 2012-11-16 12:51:23 +00:00
Dmitry Vyukov 4ee90c231a asan: sync with gcc r193553 
llvm-svn: 168151
 2012-11-16 11:26:05 +00:00
Alexey Samsonov 4ac66c49da [TSan] use explicit ctor for BlockingCall 
llvm-svn: 168150
 2012-11-16 11:21:07 +00:00
Alexey Samsonov 038e3489d9 [TSan] use llvm-symbolizer to run tsan tests 
llvm-svn: 168146
 2012-11-16 10:16:14 +00:00
Dmitry Vyukov 933c9889aa tsan: remove unused parameter 
llvm-svn: 168060
 2012-11-15 18:49:08 +00:00
Dmitry Vyukov f34db58c20 tsan: switch to 4 shadow cells by default (since that's what we use everywhere now) 
llvm-svn: 168059
 2012-11-15 18:44:22 +00:00
Dmitry Vyukov 262465c126 tsan: eevn better handling of signals 
add interceptor for poll()
in addition process signals in every atomic op
in addition process signals in blocking libc functions

llvm-svn: 168050
 2012-11-15 17:40:49 +00:00
Alexander Potapenko bcc00a4174 [ASan] Revert r168040 and r168043 and take a cleaner solution suggested by Kostya: return the known frame name for fake stack instead of looking it up. 
llvm-svn: 168046
 2012-11-15 15:24:42 +00:00
Alexander Potapenko 93dcc8d2bd [ASan] Minor fix: return to the last byte of the fake stack if we've raced by. 
llvm-svn: 168043
 2012-11-15 14:59:19 +00:00
Alexander Potapenko b34db9e883 [ASan] Poison the leftmost shadow byte with a special value so that we can find 
the beginning of the fake frame when reporting an use-after-return error.
Fixes http://code.google.com/p/address-sanitizer/issues/detail?id=126

llvm-svn: 168040
 2012-11-15 13:40:44 +00:00
Alexey Samsonov 11aec95f4a [UBSan] Add support for building ubsan runtime library on Linux with 'make'. Compiler-rt part. 
llvm-svn: 168038
 2012-11-15 12:37:55 +00:00
Alexander Potapenko 4d533d243d [ASan] Add the "lea $imm(%rip),%rax" instruction to mach_override.c 
The need for this has been reported by Jack Howarth (howarth@bromo.med.uc.edu) who's porting ASan-Darwin to GCC

llvm-svn: 168032
 2012-11-15 08:32:16 +00:00
Richard Smith 2674c6e39b Fix typo from code review (thanks to Alexey Samsonov). This is also caught by the existing tests when building for i386. 
llvm-svn: 167890
 2012-11-13 23:58:20 +00:00
Richard Smith 6122d0692b Support for building the ubsan runtime when using the autoconf build system on 
Darwin. Patch by Jean-Daniel Dupas, tweaked by Jonathan Sauer, simplified
somewhat by me.

llvm-svn: 167889
 2012-11-13 23:55:06 +00:00
Richard Smith 05dce7e644 -fsanitize=undefined: Switch to using sanitizer_common for output. This gets us much closer to not depending on any system headers. 
llvm-svn: 167888
 2012-11-13 23:42:05 +00:00
Kostya Serebryany 1f8922cf71 [asan] use #if defined __x86_64__ instead of #if __WORDSIZE == 64 in sanitizer_linux.cc 
llvm-svn: 167883
 2012-11-13 23:13:17 +00:00
Dmitry Vyukov 6d67d3b0ee tsan: remove unused const 
llvm-svn: 167835
 2012-11-13 14:13:21 +00:00
Dmitry Vyukov 041eaf976c tsan: better function names 
llvm-svn: 167834
 2012-11-13 14:05:58 +00:00
Alexey Samsonov b8a5f99bee [TSan] Add output test for write under reader lock 
llvm-svn: 167833
 2012-11-13 14:05:02 +00:00
Dmitry Vyukov dcba4d1288 tsan: fix stats collection 
llvm-svn: 167832
 2012-11-13 13:53:43 +00:00
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
Alexander Potapenko 0f0a50da56 Set ASAN_NEEDS_SEGV=0 on Android only. 
llvm-svn: 165120
 2012-10-03 15:09:17 +00:00
Dmitry Vyukov be6878365d tsan: prepare for migration to new memory_order enum values (ABI compatible) 
llvm-svn: 165106
 2012-10-03 13:00:13 +00:00
Alexey Samsonov c561ce0e01 Build ASan runtime on Linux for both x86_64 and i386, same as we do with full compiler_rt and libprofile 
llvm-svn: 165096
 2012-10-03 07:16:31 +00:00
Alexander Potapenko 77c0ac2336 Do not patch the instruction address when symbolizing the reports. 
Instead, print the correct address at runtime.

llvm-svn: 165018
 2012-10-02 15:42:24 +00:00
Alexey Samsonov 30c01f25f1 [Sanitizer] fix line width 
llvm-svn: 165009
 2012-10-02 14:09:20 +00:00
Alexey Samsonov 78c340d205 [ASan] Change __asan_set_on_error_callback to weak overridable __asan_on_error, so that ASan would call the latter even if it finds the error early (i.e. during module initialization) 
llvm-svn: 165008
 2012-10-02 14:06:39 +00:00
Evgeniy Stepanov 49e8576a09 [*San]: handle EINTR. 
llvm-svn: 165006
 2012-10-02 13:41:40 +00:00
Dmitry Vyukov 56faa551b9 tsan: fix mac build 
llvm-svn: 165004
 2012-10-02 12:58:14 +00:00
Alexey Samsonov 298e237d7e [ASan] Add extern C for __asan_symbolize on Windows 
llvm-svn: 165003
 2012-10-02 12:35:42 +00:00
Alexey Samsonov e29c6731aa [Sanitizer/ASan] Simplify the code that prints and symbolizes stack traces. Fall back to module+offset if user-provided symbolizer failed. Use weak function __asan_symbolize instead of __asan_set_symbolize_callback in ASan interface, so that we're able to symbolize reports for errors that happen before the main() is called, for example, during module initialization. 
llvm-svn: 165000
 2012-10-02 12:11:17 +00:00
Dmitry Vyukov a2c1c7a78e tsan: wait for pending reports before exit 
llvm-svn: 164999
 2012-10-02 12:07:16 +00:00
Dmitry Vyukov 27d5b37c38 tsan: output tid's in reports 
llvm-svn: 164998
 2012-10-02 11:52:05 +00:00
Dmitry Vyukov 0c40a5600c tsan: run output tests in parallel 
llvm-svn: 164997
 2012-10-02 11:51:40 +00:00
Bob Wilson dda435bcef Temporarily comment out some new arm variants to try to fix buildbots. 
llvm-svn: 164909
 2012-09-30 05:34:28 +00:00
Bob Wilson a4cefbdc87 Add compiler-rt support for Swift. 
llvm-svn: 164903
 2012-09-29 23:37:01 +00:00
Bob Wilson 0e039bee0d Add support for iOS6. 
llvm-svn: 164902
 2012-09-29 23:25:48 +00:00
Alexey Samsonov c3f61d8eec [ASan] Fix unit test headers. Add an option to change substitute asan_test_config.h file 
llvm-svn: 164821
 2012-09-28 12:24:23 +00:00
Alexey Samsonov 2d9899b2ce [ASan] use llvm-symbolizer (in offline mode) in ASan output tests on Linux 
llvm-svn: 164819
 2012-09-28 11:05:41 +00:00
Evgeniy Stepanov 9792396a06 [asan] Change defaults for Android target. 
This way building without -DASAN_* in CFLAGS produces working binaries.

llvm-svn: 164816
 2012-09-28 10:07:53 +00:00
Evgeniy Stepanov cb9cf0f907 Add a missing const qualifier. 
llvm-svn: 164773
 2012-09-27 13:21:08 +00:00
Evgeniy Stepanov f7f616ba66 Quick fix data/bss detection in TSan. 
The old way breaks when a module's bss is adjacent to the [heap] vm area.
Both ways are not very reliable, though.

llvm-svn: 164772
 2012-09-27 13:20:40 +00:00
Alexey Samsonov b6879ce94c [TSan] move replacement for new/delete back into tsan_interceptors 
llvm-svn: 164764
 2012-09-27 09:50:19 +00:00
Alexander Potapenko 3f6a5c1b2d Fixed a number of gpylint warnings, added binary names filtering (useful for Chrome), minor fixes. 
llvm-svn: 164695
 2012-09-26 13:16:42 +00:00
Alexander Potapenko 59cc8776c4 Encapsulate the main loop into a class to allow reusing it. 
llvm-svn: 164694
 2012-09-26 12:12:41 +00:00
Alexander Potapenko fa2a964540 Set --use-symbol-table=true as Alexey has already resolved the FIXME. 
llvm-svn: 164693
 2012-09-26 11:36:14 +00:00
Alexey Samsonov 789d4b2cd0 [TSan] fork external symbolizer before starting internal threads 
llvm-svn: 164600
 2012-09-25 12:35:47 +00:00
Alexey Samsonov 351d486df0 [TSan] one more attempt to fix sleep_sync test: call sleep in the spawned thread so that sleep-synchronization will be detected even if child thread is started late. 
llvm-svn: 164488
 2012-09-24 13:35:46 +00:00
Alexey Samsonov 313014694f [TSan] Provide replacements for operators new/delete instead of declaring extern C functions with weirdly mangled names (same strategy is used in ASan). 
llvm-svn: 164487
 2012-09-24 13:19:47 +00:00
Alexey Samsonov a555b3faf4 [ASan] Apply some ASan-relevant pieces of patch by Ruben Van Boxem. In the same time, remove ASan from CMake build on Windows after conversation with Timur. We don't want to support building ASan on Windows until it is in a working state. 
llvm-svn: 164486
 2012-09-24 11:43:40 +00:00
Alexey Samsonov 0659f72f7b [TSan] increase sleep time in test to ensure correct event ordering 
llvm-svn: 164483
 2012-09-24 08:57:41 +00:00
Michael J. Spencer c774095d44 [CMake][tsan] Compile .S files for tsan as C instead of CXX. 
Using CXX breaks if you add -stdlib=libc++ to CMAKE_CXX_FLAGS.

llvm-svn: 164422
 2012-09-21 22:39:39 +00:00
Alexey Samsonov 9e769a8d59 [Sanitizer] llvm-symbolizer: enable accessing symbol table (libObject is fixed in r164365) and replace string with std::string 
llvm-svn: 164367
 2012-09-21 10:54:14 +00:00
Eric Christopher 8539af7bbb Both OpenBSD and Bitrig need to include machine/endian.h to get the 
_BYTE_ORDER define.

Patch by David Hill.

llvm-svn: 164286
 2012-09-20 06:19:20 +00:00
Alexey Samsonov bc0b3f43d1 [ASan] Include ASan into CMake build only on Linux, Mac and Windows 
llvm-svn: 164224
 2012-09-19 14:15:30 +00:00
Alexey Samsonov 1fba97d22d [TSan] Add tsan to cmake build of compiler-rt only on Linux 
llvm-svn: 164217
 2012-09-19 13:11:13 +00:00