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1814 Commits

Author SHA1 Message Date
Daniel Dunbar 562fe1af43 [build/clang_darwin] Don't try to run sw_vers if we don't have it. 
- Also, fix the test this is guarding, which was backwards.

llvm-svn: 173465
 2013-01-25 18:09:28 +00:00
Evgeniy Stepanov 0e5becb830 [msan] Tests for ICmp handling. 
llvm-svn: 173456
 2013-01-25 15:39:11 +00:00
Alexey Samsonov 622a7b2408 [Sanitizer] More fixes to scanf interceptor: stub support for %s, support for %[...] directive 
llvm-svn: 173451
 2013-01-25 15:26:19 +00:00
Kostya Serebryany c1056f90ae [sanitizer] improve the calloc overflow check (spotted by samsonov@) 
llvm-svn: 173443
 2013-01-25 12:22:21 +00:00
Kostya Serebryany fa79cd65e2 [sanitizer] fix calloc overflow in asan/tsan/msan 
llvm-svn: 173441
 2013-01-25 11:46:22 +00:00
Alexey Samsonov 4899fb5cfb [Sanitizer] fix errors in scanf interceptors: add support for %c and fix cases like %5d 
llvm-svn: 173440
 2013-01-25 11:43:32 +00:00
Dmitry Vyukov 4e3b9802bd tsan: return the old fake numbers from malloc stats (some code already depends on them) 
llvm-svn: 173348
 2013-01-24 14:07:19 +00:00
Alexey Samsonov 971b0cd26f [Sanitizer] use stub InternalSymbolizer on platforms where we don't have weak hooks 
llvm-svn: 173347
 2013-01-24 14:01:59 +00:00
Dmitry Vyukov f4f76b1c10 tsan: suppress reports using both stacks 
llvm-svn: 173346
 2013-01-24 13:50:32 +00:00
Dmitry Vyukov 83566dadaf tsan: allow a front-end to provide default suppressions 
llvm-svn: 173345
 2013-01-24 13:50:10 +00:00
Alexey Samsonov 8db4077583 [Sanitizer] Add skeleton for InternalSymbolizer that can be used by providing callbacks __sanitizer_symbolize_{code,data} 
llvm-svn: 173344
 2013-01-24 13:42:45 +00:00
Kostya Serebryany 35fb1167b0 [asan] run-time tests for adaptive redzones 
llvm-svn: 173336
 2013-01-24 10:36:11 +00:00
Alexander Potapenko 56a3724cf1 [ASan] fix compilation on Mac by adding a missing pwrite parameter. 
llvm-svn: 173333
 2013-01-24 09:15:08 +00:00
Dmitry Vyukov 6e406cda4b tsan: implement malloc stats querying 
llvm-svn: 173332
 2013-01-24 09:08:03 +00:00
Dmitry Vyukov 0ced85a8c7 asan/tsan: fix pwrite interceptors 
llvm-svn: 173328
 2013-01-24 07:44:21 +00:00
Dmitry Vyukov e9a44974d4 tsan: also test asan during presubmit checks, because sanitizer_common changes can affect it 
llvm-svn: 173327
 2013-01-24 07:43:55 +00:00
Evgeniy Stepanov d1bfdc32b2 [msan] Allow waitpid while in __msan_init(). 
This is used in symbolizer init.

llvm-svn: 173263
 2013-01-23 14:22:05 +00:00
Kostya Serebryany 7206a145dd [sanitizer] increase the minimal mmap size in allocator to 2^16; fix the asan Mac build 
llvm-svn: 173261
 2013-01-23 14:07:17 +00:00
Kostya Serebryany 8f267137c2 [asan] initialize kHighMemEnd at startup (instead of at compile time) to simplify further changes for various address space layouts. Fix asan_allocator2 for PowerPC (tested on 44-bit address space) 
llvm-svn: 173260
 2013-01-23 13:27:43 +00:00
Dmitry Vyukov 228921d71e tsan: add stubs for malloc introspection (similar to what we have in asan) 
llvm-svn: 173255
 2013-01-23 12:08:03 +00:00
Dmitry Vyukov 5787924e85 tsan: add missing interceptors 
llvm-svn: 173253
 2013-01-23 11:52:19 +00:00
Kostya Serebryany 7d2e4c0389 [asan] simplify the code that poisons global redzones, add some more tests 
llvm-svn: 173251
 2013-01-23 11:14:21 +00:00
Evgeniy Stepanov ffffbefa43 [msan] gethostbyname interceptor. 
llvm-svn: 173249
 2013-01-23 10:43:38 +00:00
Evgeniy Stepanov fdf3fa69c2 [msan] Remove the trap handler code. 
llvm-svn: 173161
 2013-01-22 14:29:15 +00:00
Evgeniy Stepanov 03ee782bee [msan] Follow -msan-keep-going in reports from interceptors. 
llvm-svn: 173158
 2013-01-22 13:35:45 +00:00
Evgeniy Stepanov 8fdf7d0586 [msan] Fix linkage type of __msan_track_origins. 
llvm-svn: 173157
 2013-01-22 13:34:57 +00:00
Evgeniy Stepanov f9a7aba34a [msan] Simplify test code. 
llvm-svn: 173155
 2013-01-22 12:33:11 +00:00
Evgeniy Stepanov 2b65c0d1cf [msan] Test handling of volatile bitfields. 
llvm-svn: 173154
 2013-01-22 12:31:39 +00:00
Evgeniy Stepanov ef68259d26 [msan] Stop using volatile assignments as undef checks in MSan tests. 
A runtime call is used instead.
MSan will stop adding shadow checks on volatile stores soon.

llvm-svn: 173152
 2013-01-22 12:29:00 +00:00
Alexander Potapenko 81f0b331dc [ASan] Disable the new/delete implementations for OSX 
See https://code.google.com/p/address-sanitizer/issues/detail?id=131

llvm-svn: 173149
 2013-01-22 11:39:28 +00:00
Alexey Samsonov 1e63b08575 ASan: add output test for -fsanitize-address-zero-based-shadow option on Linux 
llvm-svn: 173146
 2013-01-22 10:45:20 +00:00
Alexander Potapenko dc00c44d46 [ASan] Remove the declarations of pthread_workqueue_t and pthread_workitem_handle_t, which are used no more. 
Kudos to Jeremy Huddleston Sequoia <jeremyhu@apple.com>

llvm-svn: 173143
 2013-01-22 10:32:06 +00:00
Alexey Samsonov d7b901d581 ASan: use Clang -fsanitize-blacklist flag in unit tests (instead of -mllvm) 
llvm-svn: 173142
 2013-01-22 10:30:17 +00:00
Alexander Potapenko 0c92557fcb [ASan] Fix the path to ASan interface in interface_symbols_linux.c 
llvm-svn: 173140
 2013-01-22 10:13:37 +00:00
Alexander Potapenko 5ef0f677ae [ASan] Moved interface_symbols.c to lit_tests/Linux. 
We already have Darwin-specific version of this test.

llvm-svn: 173136
 2013-01-22 09:22:10 +00:00
Alexander Potapenko cae42d23a6 [ASan] Use dylib interposition to hook memory allocation in the dynamic runtime. 
This CL drastically simplifies the way we're hooking the memory allocation routines in ASan on Mac by using dylib interposition to replace the main malloc_zone_* functions. This allows us to avoid replacing the default CFAllocator and drop the CF dependency at all.

Committing this patch will result in the static runtime being broken. A follow-up CL will switch ASan to use the dynamic runtime library.

llvm-svn: 173134
 2013-01-22 09:14:54 +00:00
Alexey Samsonov a168f30073 ASan: simplify build rules for unit tests 
llvm-svn: 173133
 2013-01-22 07:31:28 +00:00
Alexey Samsonov 2f20275730 ASan: disable flexible mapping and offset on Android. It doesn't work for dynamic ASan runtime there 
llvm-svn: 173132
 2013-01-22 07:21:24 +00:00
Kostya Serebryany 56fc958506 [asan] split asan_test.cc even more 
llvm-svn: 173131
 2013-01-22 07:01:47 +00:00
Kostya Serebryany 81e916893d [asan] split asan_test.cc more 
llvm-svn: 173130
 2013-01-22 06:50:42 +00:00
Kostya Serebryany 4184b64094 [asan] split asan_test.cc to speedup parallel build (most important if building with a debug clang, which takes a couple of minutes on this large file with templates). More splits to follow 
llvm-svn: 173129
 2013-01-22 06:39:20 +00:00
Kostya Serebryany 031b69d8df [asan] fix linux build 
llvm-svn: 173049
 2013-01-21 15:04:36 +00:00
Alexander Potapenko c21aa5cb39 [ASan] Move Mac-specific tests to asan_mac_test.cc 
llvm-svn: 173048
 2013-01-21 14:49:55 +00:00
Alexey Samsonov b670018c9f CMake: generalize checking for target availability and add initial support for PowerPC native arch. With this patch, building LLVM on PowerPC native arch produces a working ASan runtime. 
llvm-svn: 173044
 2013-01-21 14:31:45 +00:00
Evgeniy Stepanov 5f37c82154 [sanitizer] Disable scanf interceptor on windows. 
llvm-svn: 173037
 2013-01-21 13:30:08 +00:00
Alexey Samsonov 362286f34c Fixup for r173021: build tests with zero-based shadow on Android only, fix condition in checking for shadow gap in asan_mapping.h 
llvm-svn: 173026
 2013-01-21 11:36:38 +00:00
Evgeniy Stepanov 5e7936f646 [sanitizer] Define va_copy on win32. 
llvm-svn: 173025
 2013-01-21 11:32:50 +00:00
Kostya Serebryany 9b46312c87 [tsan] fix thread_name.cc test to work with older versions of libc 
llvm-svn: 173023
 2013-01-21 11:20:49 +00:00
Alexey Samsonov 6ad1d7809d ASan: build unit tests with -fsanitize-address-zero-base-shadow on Linux and Android 
llvm-svn: 173021
 2013-01-21 10:51:18 +00:00
Evgeniy Stepanov f940b2e381 [asan] Move *scanf declarations out of mac-only section. 
llvm-svn: 173020
 2013-01-21 10:33:14 +00:00
Alexey Samsonov 3fd1260155 ASan: build runtime flexible mapping and offset in configure+make build as well 
llvm-svn: 173016
 2013-01-21 09:13:10 +00:00
Alexey Samsonov a58bcf70a1 ASan: use dynamic lookup when building dynamic ASan runtime on Mac, because shadow mapping and offset are defined in the instrumented modules instead of runtime 
llvm-svn: 173015
 2013-01-21 09:07:01 +00:00
Alexey Samsonov b52d1a56f0 ASan: build runtime library with ASAN_FLEXIBLE_MAPPING_AND_OFFSET=1 as shadow mapping/offset are always emitted by the LLVM backend now 
llvm-svn: 173013
 2013-01-21 08:24:19 +00:00
Alexey Samsonov b399118cad CMake: add functions creating universal runtime libraries for several architectures on OS X and use them in ASan and UBSan build rules 
llvm-svn: 173011
 2013-01-21 08:12:20 +00:00
Alexey Samsonov 4e50333684 CMake: Add add_compiler_rt_osx_object_library to create universal libraries on Mac 
llvm-svn: 172979
 2013-01-20 14:36:12 +00:00
Alexey Samsonov d0522c73b5 CMake: use add_compiler_rt_static_runtime to build TSan and MSan runtimes. No functionality change. 
llvm-svn: 172978
 2013-01-20 14:14:13 +00:00
Alexey Samsonov 8c2cd862b6 CMake: Add add_compiler_rt_static_runtime function and use it to build generic compiler-rt libraries 
llvm-svn: 172977
 2013-01-20 13:58:10 +00:00
Alexey Samsonov 3292fde911 Temporary disable test added in r172828 as it seems to be flaky on the buildbots 
llvm-svn: 172976
 2013-01-20 13:41:26 +00:00
Alexey Samsonov 2d04812a45 Fixup for r172828: use InternalScopedBuffer in favor of large stack buffers 
llvm-svn: 172975
 2013-01-20 13:22:06 +00:00
Alexey Samsonov 67c8e14760 Fix a typo from r172289 
llvm-svn: 172830
 2013-01-18 17:03:47 +00:00
Alexey Samsonov b068483d4d CMake: Generalize build rules for different arches for sanitizer_common, asan, ubsan 
llvm-svn: 172829
 2013-01-18 16:51:07 +00:00
Alexander Potapenko b4ba995366 [ASan] Fix the log_path option to use different log files for parent and child processes after fork(). 
llvm-svn: 172828
 2013-01-18 16:44:27 +00:00
Evgeniy Stepanov 8a3666f63c [sanitizer] Workaround broken mktemp on certain platforms. 
llvm-svn: 172827
 2013-01-18 16:24:50 +00:00
Alexey Samsonov 163ab9d0a5 CMake: create AddCompilerRT module and implement convenience add_compiler_rt_object_library function 
llvm-svn: 172826
 2013-01-18 16:05:21 +00:00
Evgeniy Stepanov c8cde8d736 [sanitizer] Enable cpplint for .inc files. 
llvm-svn: 172825
 2013-01-18 15:53:43 +00:00
Evgeniy Stepanov 01671c33ff [sanitizer] lint 
llvm-svn: 172817
 2013-01-18 13:12:56 +00:00
Alexey Samsonov 4b0ee8ecd5 CMake: start to generalize rules for non-x86 architectures 
llvm-svn: 172816
 2013-01-18 13:10:42 +00:00
Kostya Serebryany 84c7e47b5c [asan] kill some dead code 
llvm-svn: 172815
 2013-01-18 13:01:44 +00:00
Evgeniy Stepanov a6c4a387ee [sanitizer] Rename 2 files *.h->*.inc as appropriate. 
Also add a missing include.

llvm-svn: 172814
 2013-01-18 13:01:18 +00:00
Alexey Samsonov 193b45f4fe CMake variables renaming: X86_64->x86_64 I386->i386 
llvm-svn: 172812
 2013-01-18 12:45:44 +00:00
Evgeniy Stepanov 518a135ffe [sanitizer] Remove an unused variable. 
llvm-svn: 172811
 2013-01-18 12:32:02 +00:00
Alexander Potapenko a6d40f638e [ASan] Fix compilation on Mac. 
llvm-svn: 172810
 2013-01-18 12:31:16 +00:00
Evgeniy Stepanov 91181eaa59 [sanitizer] Fix Mac build. 
llvm-svn: 172809
 2013-01-18 11:38:23 +00:00
Kostya Serebryany 63c36bbe5e [asan] fix two off-by-one errors that seem to affect only PowerPC because only there the stack top may be equal to the address space top. Noted by Andreas Schwab in http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55975#c11 . Also make swapcontext interceptor a bit more robust 
llvm-svn: 172807
 2013-01-18 11:30:36 +00:00
Evgeniy Stepanov 222076e972 [sanitizer] Common *scanf interceptors. 
llvm-svn: 172805
 2013-01-18 11:17:23 +00:00
Alexander Potapenko 51794a390f Remove references to pthread_workqueue_additem_np(), which isn't in the official libdispatch API. 
llvm-svn: 172802
 2013-01-18 10:27:31 +00:00
Alexey Samsonov 9585613334 [ASan] fixes for Android build 
llvm-svn: 172800
 2013-01-18 09:20:06 +00:00
Kostya Serebryany 69fe0ba415 [sanitizer] reapply r172719, r172721-172723, r172725, and also fix the warning on Mac. 
llvm-svn: 172791
 2013-01-18 06:43:13 +00:00
Jakob Stoklund Olesen 7956e0094d Revert r172719, r172721-172723, and r172725. 
The r172719 patch broke the build on Mac, the others depended on it.

compiler-rt/lib/asan/asan_interceptors.cc:78:13: error: unused function
      'SetThreadName' [-Werror,-Wunused-function]
      static void SetThreadName(const char *name) {

Orignal headlines:

  [asan] attempting to fix the Mac build
  [asan] restructure read/pread/pread64 tests
  [sanitizer] move write/pwrite/pwrite64 interceptors to common
  [msan] start using common interceptors in msan
  [tsan] move prctl interceptor from asan to common_interceptors thus enabling it for tsan too

llvm-svn: 172763
 2013-01-17 22:51:56 +00:00
Peter Collingbourne 6600516a58 Have ReExec read environment from /proc/self/environ 
It is possible for ReExec to be called before the C standard library
has initialised itself sufficiently for execv to work properly.
Fix this by parsing the environment ourselves and using execve.

Differential Revision: http://llvm-reviews.chandlerc.com/D304

llvm-svn: 172748
 2013-01-17 19:50:42 +00:00
Will Dietz 149d952e86 [ubsan] Add SANITIZER_INTERFACE_ATTRIBUTE to __ubsan_vptr_type_cache 
Missed this one previously.

llvm-svn: 172730
 2013-01-17 17:14:12 +00:00
Alexey Samsonov 4f1885a109 [ASan] minor changes to swapcontext handling: don't clear shadow memory if context stack is too large 
llvm-svn: 172727
 2013-01-17 15:45:28 +00:00
Alexey Samsonov 708442294e ASan: Allow __asan_get_allocated_size(malloc(0)) to be 0 or 1 
llvm-svn: 172726
 2013-01-17 15:26:47 +00:00
Kostya Serebryany 87eb229241 [asan] attempting to fix the Mac build 
llvm-svn: 172725
 2013-01-17 15:14:20 +00:00
Kostya Serebryany 709d0dac81 [asan] restructure read/pread/pread64 tests 
llvm-svn: 172723
 2013-01-17 14:58:29 +00:00
Kostya Serebryany 5cdd91fc43 [sanitizer] move write/pwrite/pwrite64 interceptors to common 
llvm-svn: 172722
 2013-01-17 14:48:03 +00:00
Kostya Serebryany b114d01849 [msan] start using common interceptors in msan 
llvm-svn: 172721
 2013-01-17 13:57:07 +00:00
Evgeniy Stepanov e3a325197a [msan] More interceptors. 
strtod and friends, dladdr, getrusage

llvm-svn: 172720
 2013-01-17 13:42:17 +00:00
Kostya Serebryany f7f5566055 [tsan] move prctl interceptor from asan to common_interceptors thus enabling it for tsan too 
llvm-svn: 172719
 2013-01-17 13:38:16 +00:00
Alexey Samsonov 769af07372 [ASan] fix __asan_get_ownership(p) and __asan_get_allocated_size(p) for the p = malloc(0) 
llvm-svn: 172717
 2013-01-17 13:25:17 +00:00
Kostya Serebryany 125e26d49b [tsan] add write_range/read_range hooks to common interceptors called from tsan (to find races on read/pread/etc) 
llvm-svn: 172714
 2013-01-17 13:18:40 +00:00
Kostya Serebryany 93ebdb5d64 [sanitizer] a bit more unification for interceptors (merge read/pread/pread64 in asan and tsan) 
llvm-svn: 172713
 2013-01-17 13:09:00 +00:00
Dmitry Vyukov 59e5d358db tsan: fix a bug 
llvm-svn: 172712
 2013-01-17 12:59:10 +00:00
Dmitry Vyukov e528f67c14 tsan: fix a bug 
llvm-svn: 172710
 2013-01-17 12:13:03 +00:00
Dmitry Vyukov 7f4603200f asan: fix ARM build 
llvm-svn: 172613
 2013-01-16 14:35:13 +00:00
Kostya Serebryany b7062cec53 [asan] asan_allocator2: fix the memalign handling (clear the first word of allocated chunk in case there is an old memalign magic) 
llvm-svn: 172603
 2013-01-16 09:12:14 +00:00
Kostya Serebryany d8b1f78296 [asan] enable asan_allocator2 by default on Linux. Will enable it on other platforms and remove the old one later, after additional testing. The new allocator is much faster and uses less memory 
llvm-svn: 172531
 2013-01-15 13:57:39 +00:00
Dmitry Vyukov 9ab63f68fc asan: fix standalone malloc implementation 
llvm-svn: 172529
 2013-01-15 12:57:02 +00:00
Dmitry Vyukov 0d46b2b95e asan: fix the constant for new allocator cache 
llvm-svn: 172526
 2013-01-15 10:45:18 +00:00
Kostya Serebryany c4bb752e3b [sanitizer] hide PR_SET_NAME under an ifdef (for older kernels) 
llvm-svn: 172523
 2013-01-15 09:03:23 +00:00