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141 Commits

Author SHA1 Message Date
Dmitry Vyukov af4b0b084a asan: fix compilation errors in mutex 
llvm-svn: 172385
 2013-01-14 08:01:58 +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
Kostya Serebryany 864ef315c0 [asan] make the slow unwinder a bit more robust. The unittests pass with fast_unwind_on_fatal=0, but I still observe some differences between the two unwinders 
llvm-svn: 171973
 2013-01-09 13:55:00 +00:00
Dmitry Vyukov 5b375d84c0 tsan: fix build 
llvm-svn: 170191
 2012-12-14 12:24:11 +00:00
Kostya Serebryany bb69879d09 [asan] pop the internal stack frames in SlowUnwindStack, extend the test to check this 
llvm-svn: 170124
 2012-12-13 12:31:55 +00:00
Kostya Serebryany baf583c443 [asan] add two asan flags: fast_unwind_on_fatal and fast_unwind_on_malloc to allow using the slow CFI-based unwinder 
llvm-svn: 170117
 2012-12-13 09:34:23 +00:00
Alexander Potapenko 1746f555ee Add a libsanitizer API __sanitizer_sandbox_on_notify(void* reserved), which should be used by 
the client programs to notify the tools that sandboxing is about to be turned on.

llvm-svn: 169732
 2012-12-10 13:10:40 +00:00
Dmitry Vyukov 3a2046b3a6 tsan: fix lint warnings 
llvm-svn: 169606
 2012-12-07 16:20:06 +00:00
Kostya Serebryany 35f9e5e87b [sanitizer] implement SanitizerSetThreadName/SanitizerGetThreadName. Just for linux so far (using prctl(PR_GET_NAME)) 
llvm-svn: 169598
 2012-12-07 11:27:24 +00:00
Dmitry Vyukov dd95cd148b tsan: fix lint warnings 
llvm-svn: 169369
 2012-12-05 10:16:02 +00:00
Alexander Potapenko 0a4e0f6d35 Fix a use-after-unmap bug in /proc/self/maps caching. The cached buffer was occasionally deleted in the MemoryMappingLayout destructor. 
llvm-svn: 169335
 2012-12-04 23:30:00 +00:00
Alexander Potapenko e2b6d08459 Use a struct to hold the /proc/self/maps buffer on Linux. 
llvm-svn: 169155
 2012-12-03 21:21:22 +00:00
Alexander Potapenko 7811425843 Add caching to the MemoryMappingLayout class on Linux. This is necessary for the cases when a sandbox prevents ASan from reading the mappings 
from /proc/self/maps.
The mappings are currently being cached on each access to /proc/self/maps. In the future we'll need to add an API that allows the client to notify ASan about the sandbox.

llvm-svn: 169076
 2012-12-01 02:39:45 +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
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 cb9f62189b [asan] support PowerPC and SPARC in sanitizer_linux.cc 
llvm-svn: 168301
 2012-11-19 07:53:36 +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
Alexey Samsonov ae9b18b607 [Sanitizer] add sanity checks for communication with external symbolizer 
llvm-svn: 167617
 2012-11-09 14:45:30 +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 97ca306641 [Sanitizer] Hoist functions to get/set stack size and re-exec from memory-sanitizer branch to sanitizer_common 
llvm-svn: 164020
 2012-09-17 09:12:39 +00:00
Alexey Samsonov f6d2125829 [Sanitizer] implement readlink as syscall on Linux 
llvm-svn: 163213
 2012-09-05 14:48:24 +00:00
Alexey Samsonov cc62211fbf [Sanitizer] Rename ProcessMaps to MemoryMappingLayout and fix Windows build by providing stub implementation 
llvm-svn: 162671
 2012-08-27 13:48:48 +00:00
Alexey Samsonov ef7758f561 [Sanitizer] move OS-dependent pieces of symbolizer to separate source files 
llvm-svn: 161862
 2012-08-14 13:00:32 +00:00
Alexey Samsonov 7acdc1738f [Sanitizer] When obtaining the data for loaded modules, add address ranges of loadable segments only. Looks like address range of PT_TLS segment may intersect with loadable segments of other modules. 
llvm-svn: 160498
 2012-07-19 07:51:20 +00:00
Alexey Samsonov 961276af26 [Sanitizer] Extend a symbolizer code. Implemented for Linux only. Use dl_iterate_phdr to get virtual addresses of mapped module sections. To symbolize an address from a module, map this module to memory and obtain pointers to debug info sections. Later these pointers can be passed to constructor of DWARF context-in-memory from LLVM DebugInfo lib. 
llvm-svn: 159652
 2012-07-03 08:24:14 +00:00
Kostya Serebryany 5766a9e015 [asan] fix lint 
llvm-svn: 159429
 2012-06-29 14:14:32 +00:00
Kostya Serebryany d32d537d63 [asan] get rid of libc's sscanf as it causes infinite recursion on Fedora. 
llvm-svn: 159424
 2012-06-29 13:05:36 +00:00
Kostya Serebryany 98390d0b71 [tsan] a bit more lint and Makefile changes to run tests from sanitizer_common 
llvm-svn: 158821
 2012-06-20 15:19:17 +00:00
Alexey Samsonov 58a3c58ec9 [Sanitizer] move different wrappers from TSan to common sanitizer runtime 
llvm-svn: 158655
 2012-06-18 08:44:30 +00:00
Alexey Samsonov 0c53a38abb [Sanitizer] move portable GetEnv to common sanitizer runtime 
llvm-svn: 158451
 2012-06-14 14:07:21 +00:00
Alexey Samsonov cf4d3a027d [Sanitizer] Fix mac build. 
llvm-svn: 158141
 2012-06-07 07:32:00 +00:00
Alexey Samsonov 4b1f1031e6 [Sanitizer] factor out GetThreadStackTopAndBottom from ASan runtime to common. 
llvm-svn: 158140
 2012-06-07 07:13:46 +00:00
Alexey Samsonov 28a9895ee0 [Sanitizer] __asan::AsanProcMaps -> __sanitizer::ProcessMaps. 
llvm-svn: 158139
 2012-06-07 06:15:12 +00:00
Kostya Serebryany 64166ca86b [tsan,asan] comment out O_CLOEXEC as it causes build failures on old linux kernels 
llvm-svn: 158071
 2012-06-06 14:11:31 +00:00
Alexey Samsonov ca2b5d7abb [Sanitizer] move internal_filesize and internal_dup2 from TSan to sanitizer_common. 
llvm-svn: 158052
 2012-06-06 07:30:33 +00:00
Alexey Samsonov 5bbf8290a7 [Sanitizer] rename sanitizer_defs.h to sanitizer_internal_defs.h 
llvm-svn: 158001
 2012-06-05 14:25:27 +00:00
Alexey Samsonov 7ac77d6b29 [Sanitizer] add sanitizer_posix.cc. Move more various functions into sanitizer_libc: sscanf, munmap, memchr 
llvm-svn: 157994
 2012-06-05 09:49:25 +00:00
Alexey Samsonov 03c8b846c4 [Sanitizer] add internal_{close,read,write} functions to sanitizer_libc 
llvm-svn: 157990
 2012-06-05 08:32:53 +00:00
Alexey Samsonov dde1f11fe6 [Sanitizer] Add sanitizer_win.cc for windows-specific implementations of libc functions. Add internal_open. 
llvm-svn: 157985
 2012-06-05 07:05:10 +00:00
Alexey Samsonov 2c5fc3bb11 Created files sanitizer_linux.cc and sanitizer_mac.cc for platform-specific implementations of common functions. Turned asan_mmap into __sanitizer::internal_mmap. 
llvm-svn: 157930
 2012-06-04 14:27:50 +00:00