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96 Commits

Author SHA1 Message Date
Kostya Serebryany 459df6f167 [asan] a bit stricter lint for CHECK vs CHECK_XX (these CHECK_XX really help debugging!) 
llvm-svn: 176085
 2013-02-26 12:59:06 +00:00
Timur Iskhodzhanov 167f9e4395 [ASan] Switch Windows to allocator v2, also fixing some build errors 
llvm-svn: 174707
 2013-02-08 12:02:00 +00:00
Kostya Serebryany 39675fe9c8 [sanitizer] always allocate 16-byte aligned chunks of memory 
llvm-svn: 174617
 2013-02-07 15:04:06 +00:00
Alexander Potapenko 109aa04ea9 [sanitizer_common] Fix lint warnings. 
llvm-svn: 174616
 2013-02-07 14:58:04 +00:00
Alexander Potapenko 07c740e213 [ASan] Fix a compilation warning. 
llvm-svn: 174604
 2013-02-07 12:00:40 +00:00
Alexander Potapenko f444a49310 [ASan] Implement asan_mz_size(), asan_mz_force_lock() and asan_mz_force_unlock() for allocator2. 
Switch to allocator2 on Darwin.

llvm-svn: 174603
 2013-02-07 11:40:03 +00:00
Dmitry Vyukov 7981ea8baa asan/tsan: fix compilation errors/bugs on Windows where long is 32-bit even in 64-bit mode 
llvm-svn: 174312
 2013-02-04 08:07:45 +00:00
Timur Iskhodzhanov 6cff9deb16 Use the correct order of NOINLINE vs ret type to fix Windows build 
llvm-svn: 173694
 2013-01-28 17:29:50 +00:00
Kostya Serebryany fa79cd65e2 [sanitizer] fix calloc overflow in asan/tsan/msan 
llvm-svn: 173441
 2013-01-25 11:46:22 +00:00
Dmitry Vyukov 6e406cda4b tsan: implement malloc stats querying 
llvm-svn: 173332
 2013-01-24 09:08:03 +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
Dmitry Vyukov 45a698eb58 asan: faster thead-local cache for memory allocator 
llvm-svn: 172521
 2013-01-15 09:02:20 +00:00
Dmitry Vyukov 4ebb4e5565 asan/tsan: mmap shadow memory before allocating memory (otherwise other threads can access non yet allocated shadow) 
llvm-svn: 172395
 2013-01-14 10:49:11 +00:00
Dmitry Vyukov 38092f628b asan/tsan: fix memory allocator statistics 
llvm-svn: 172390
 2013-01-14 08:51:08 +00:00
Dmitry Vyukov 795eb90db5 asan/tsan: faster memory allocator 
1. Increase size classes from 32k to 128k
2. Use lock-free stack in central cache
3. Use blocking mutex when allocate new memory with mmap

llvm-svn: 172388
 2013-01-14 08:23:34 +00:00
Dmitry Vyukov f22982bf0a asan/tsan: move blocking mutex from asan to sanitizer_common 
llvm-svn: 172380
 2013-01-14 07:51:39 +00:00
Dmitry Vyukov ecd73d36d4 asan/tsan: faster memory allocator 
replace lists with arrays

llvm-svn: 172217
 2013-01-11 16:41:19 +00:00
Dmitry Vyukov 008dba6aa0 asan: always pass allocator cache to Allocate() 
llvm-svn: 172193
 2013-01-11 11:15:48 +00:00
Kostya Serebryany fdcfbda750 [sanitizer] better statistics for the large allocator 
llvm-svn: 172069
 2013-01-10 13:38:38 +00:00
Dmitry Vyukov 22c53df947 asan/tsan: fix comment 
llvm-svn: 172064
 2013-01-10 13:06:35 +00:00
Kostya Serebryany 4a42cf69a6 [sanitizer] add statistics to the allocator; fix lint 
llvm-svn: 171161
 2012-12-27 14:09:19 +00:00
Kostya Serebryany 27ad15e165 [asan] asan_allocator2: store the user requested size in just 32 bits (larger sizes use metadata). This allows to put one more 32-bit field into the chunk header 
llvm-svn: 171089
 2012-12-26 04:52:07 +00:00
Kostya Serebryany eff9b4b9b1 [asan] add a test for right OOB with special large sizes. Fix this test in asan_allocator2. More test tweaking for allocator2 
llvm-svn: 171058
 2012-12-25 09:40:20 +00:00
Kostya Serebryany ad24c58e16 [sanitizer] increase the maximum size class of the fast allocator. This should save quite a bit of memory in tsan/msan (and later in asan). This also puts more stress on the large allocator. Add a couple of checks 
llvm-svn: 171055
 2012-12-25 07:50:35 +00:00
Kostya Serebryany fc7de2910c [sanitizer] make LargeMmapAllocator::GetBlockBegin faster by not using a linked list 
llvm-svn: 171035
 2012-12-24 14:35:14 +00:00
Kostya Serebryany ebb23c8cfa [sanitizer] rework the size class map in the sanitizer allocator: make the differences between size classes more uniform. 
llvm-svn: 171031
 2012-12-24 13:41:07 +00:00
Kostya Serebryany fe80f080ee [asan] asan_allocator2 fix two asserts that happen on full chrome: a) memalign called with 0 size and large alignment and b) malloc called after TSD has been destructed 
llvm-svn: 170900
 2012-12-21 14:54:46 +00:00
Kostya Serebryany a1e29adab5 [sanitizer] mmap less on every size class to make the allocator more friendly to small programs 
llvm-svn: 170895
 2012-12-21 13:38:05 +00:00
Kostya Serebryany 479f05b276 [asan] asan_allocator2: improve FindHeapChunkByAddress to find memory chunks to the left of a given address. Almost all tests pass with the new allocator now, only 6 are left to fix. 
llvm-svn: 170511
 2012-12-19 08:32:50 +00:00
Kostya Serebryany 2abbce6701 [sanitizer] one more stability fix in 64-bit allocator 
llvm-svn: 170498
 2012-12-19 06:51:45 +00:00
Kostya Serebryany 12676268fa [sanitizer] fix LargeMmapAllocator::GetBlockBegin 
llvm-svn: 170434
 2012-12-18 14:56:38 +00:00
Kostya Serebryany c8208c5258 [sanitizer] fix a bug that has crept into the sanitizer allocator and caused SEGV on allocations between 1Mb and 2Mb, improve the test 
llvm-svn: 170274
 2012-12-15 18:36:23 +00:00
Kostya Serebryany 9806628792 [sanitizer] introduce MmapFixedOrDie and use it in SizeClassAllocator64 
llvm-svn: 170099
 2012-12-13 05:36:00 +00:00
Kostya Serebryany 2ce42e0aef [sanitizer] change the way SizeClassAllocator64 allocated memory from the system: instead of one huge mmap(NORESERVE) it does one huge mprotect and then does small on-demand mmaps. This allows us to call OnMap callbacks which are required to poison newly allocated memory in asan 
llvm-svn: 170097
 2012-12-13 05:05:11 +00:00
Kostya Serebryany e29883c10a [sanitizer] add OnMap/OnUmap callbacks to the allocator interface 
llvm-svn: 169985
 2012-12-12 14:32:18 +00:00
Kostya Serebryany 378f93e804 [sanitizer] fix the build on ancient gcc which has stricter rules about what can be put on TLS. Long term, we absolutely must build the run-times with the fresh target clang 
llvm-svn: 169593
 2012-12-07 09:40:17 +00:00
Kostya Serebryany 6986550c7d [sanitizer] POD-ify the allocator cache 
llvm-svn: 169514
 2012-12-06 16:22:04 +00:00
Kostya Serebryany 6d2d30f61d [asan/msan] one more test for 32-bit allocator + minor code simplification 
llvm-svn: 169507
 2012-12-06 14:39:41 +00:00
Kostya Serebryany c14ae88b08 [asan/msan] add BulkAllocate to the 32-bit allocator (and a test) 
llvm-svn: 169506
 2012-12-06 14:27:32 +00:00
Kostya Serebryany 0f67d01031 [asan/msan] refactor allocator's BulkAllocate (move to AllocatorFreeList) 
llvm-svn: 169503
 2012-12-06 13:34:11 +00:00
Kostya Serebryany 9f84eecc9e [asan/msan] add GetBlockBegin to the 32-bit allocator (+test) 
llvm-svn: 169499
 2012-12-06 13:13:58 +00:00
Kostya Serebryany 2044135dca [asan/msan] new 32-bit allocator, basic functionality so far 
llvm-svn: 169496
 2012-12-06 12:49:28 +00:00
Kostya Serebryany 571232b8cf [tsan] get rid of *allocator64* files, moving everything to *allocator* files. This will help with the 32-bit allocator implementation and testing 
llvm-svn: 169368
 2012-12-05 10:09:15 +00:00
Kostya Serebryany f299288f55 [tsan] minor interface refactoring 
llvm-svn: 169267
 2012-12-04 14:15:17 +00:00
Kostya Serebryany 5e6f833bdd [tsan] refactor the allocator tests to allow testing other flavours of the allocator (add templates) 
llvm-svn: 169264
 2012-12-04 13:59:22 +00:00
Kostya Serebryany 077f88045e [tsan] refactoring and comment changes in sanitizer_common/sanitizer_allocator{,64}.h. No functionality change 
llvm-svn: 169234
 2012-12-04 07:54:41 +00:00