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132 Commits

Author SHA1 Message Date
Alexander Potapenko ea4a0dbb8d [ASan] Implement __sanitizer::InstallDeadlySignalHandlers() and __asan::AsanOnSIGSEGV() on Windows. 
llvm-svn: 200554
 2014-01-31 15:11:11 +00:00
Alexander Potapenko 789e3e1b7c [ASan] Move the SIGSEGV/SIGBUS handling to sanitizer_common 
This change is a part of refactoring intended to have common signal handling behavior in all tools.
This particular CL moves InstallSignalHandlers() into sanitizer_common (making it InstallDeadlySignalHandlers()), but doesn't enable default signal handlers for any tool other than ASan.

llvm-svn: 200542
 2014-01-31 13:10:07 +00:00
Alexander Potapenko d8d490ed50 [ASan] Move the sigaltstack() bits to sanitizer_common. 
This change is a part of refactoring intended to have common signal handling behavior in all tools.
Note that this particular change doesn't enable use_sigaltstack support in every tool.

llvm-svn: 200310
 2014-01-28 11:12:29 +00:00
Kostya Serebryany 57bfdb080b [asan] add flag uar_noreserve to use noreserve mmap for fake stack. uar_noreserve=1 will save some memory but also negatively affect performance 
llvm-svn: 197233
 2013-12-13 15:03:49 +00:00
Timur Iskhodzhanov 89a346c2a1 [ASan] Fix StackTrace::SlowUnwindStack on Windows 
llvm-svn: 196894
 2013-12-10 08:30:39 +00:00
Timur Iskhodzhanov 895392d03f [ASan] Use ExitProcess rather than _exit on Windows to avoid calling global dtors etc 
llvm-svn: 195723
 2013-11-26 09:40:39 +00:00
Timur Iskhodzhanov e87f5701bb Remove a FIXME now that I can't reproduce the problem 
llvm-svn: 194331
 2013-11-09 15:01:23 +00:00
Timur Iskhodzhanov 1f1c7ec400 [Sanitizers] Share some stack walking code between Windows and Linux 
Reviewed at http://llvm-reviews.chandlerc.com/D2126

llvm-svn: 194326
 2013-11-09 13:59:12 +00:00
Alexey Samsonov 5d350b2ab6 [Sanitizer] Presumable fix stack trace unwinding on Windows 
llvm-svn: 194195
 2013-11-07 06:53:41 +00:00
Alexey Samsonov e13f775a63 [Sanitizer] Call Windows unwinder 'slow' and share StackTrace::Unwind across all platforms. No functionality change. 
llvm-svn: 194193
 2013-11-07 06:33:06 +00:00
Alexey Samsonov 7f5823844a [Sanitizer] Remove StackTrace::max_depth field 
llvm-svn: 192534
 2013-10-12 12:40:47 +00:00
Alexey Samsonov c129e65661 [Sanitizer] Turn GetStackTrace() into StackTrace::Unwind() 
llvm-svn: 192533
 2013-10-12 12:23:00 +00:00
Alexey Samsonov 7a36e6126b [Sanitizer] Refactor symbolization interface: use class instead of several functions. Move some code around to get rid of extra source files 
llvm-svn: 190410
 2013-09-10 14:36:16 +00:00
Reid Kleckner d483c072af sanitizers: Make sure Visual Studio gets error reports 
Visual Studio appears to close stderr before launching a non-console
win32 program.  This means we don't see any sanitizer reports.  If
stderr printing fails, call OutputDebugStringA to get the reports into
the Visual Studio debugger console.

llvm-svn: 190030
 2013-09-05 03:19:57 +00:00
Timur Iskhodzhanov 2eea5894fe [asan] Hopefully un-break the RTL on Windows 
llvm-svn: 189821
 2013-09-03 15:50:13 +00:00
Alexey Samsonov de647ddc8b [Sanitizer] Add the way to find binary in PATH 
llvm-svn: 189799
 2013-09-03 13:20:48 +00:00
Timur Iskhodzhanov 4245f78fdd [ASan] Use less shadow on Win 32-bit 
llvm-svn: 186393
 2013-07-16 09:47:39 +00:00
Dmitry Vyukov 7e4a18c4fb tsan: fix merge bug 
llvm-svn: 183648
 2013-06-10 11:11:29 +00:00
Dmitry Vyukov b278f1235f tsan: fix windows crash (incorrect stack boundaries) 
llvm-svn: 183646
 2013-06-10 10:30:54 +00:00
Dmitry Vyukov e979c5467c tsan: fix windows mingw build 
llvm-svn: 183644
 2013-06-10 10:02:02 +00:00
Peter Collingbourne ffaf2eac4d [nolibc] Move all platforms to internal_getpid. 
Before, we had an unused internal_getpid function for Linux, and a
platform-independent GetPid function.  To make the naming conventions
consistent for syscall-like functions, the GetPid syscall wrapper
in sanitizer_posix.cc is moved to sanitizer_mac.cc, and GetPid is
renamed to internal_getpid, bringing the Linux variant into use.

llvm-svn: 182132
 2013-05-17 16:56:53 +00:00
Peter Collingbourne 53caf563a9 Try to fix Windows build too 
llvm-svn: 181457
 2013-05-08 18:15:01 +00:00
Peter Collingbourne 6f4be19b57 [nolibc] Change internal syscall API to remove reliance on libc's errno. 
This change moves to a model where the error value of a system call is
potentially contained in the return value itself rather than being
implicit in errno.  The helper function internal_iserror can be used
to extract the error value from a return value.  On platforms other
than Linux/x86_64 this still uses errno, but other platforms are free
to port their error handling to this new model.

Differential Revision: http://llvm-reviews.chandlerc.com/D756

llvm-svn: 181436
 2013-05-08 14:43:49 +00:00
Sergey Matveev af179b8d63 [sanitizer] Move GetStackTrace from ASan to sanitizer_common. 
llvm-svn: 181424
 2013-05-08 12:45:55 +00:00
Sergey Matveev 954c6ef10f [sanitizer] Move GetThreadStackAndTls from TSan to sanitizer_common. 
Move this function to sanitizer_common because LSan uses it too. Also, fix a bug
where the TLS range reported for main thread was off by the size of the thread
descriptor from libc (TSan doesn't care much, but for LSan it's critical).

llvm-svn: 181322
 2013-05-07 14:41:43 +00:00
Timur Iskhodzhanov 2dee3dd61c Add a GetTid() implementation for Windows 
llvm-svn: 177927
 2013-03-25 22:04:29 +00:00
Evgeniy Stepanov 0af672326a [sanitizer] Replace more platform checks with SANITIZER_ constants. 
llvm-svn: 177400
 2013-03-19 14:33:38 +00:00
Alexey Samsonov a097f7b1e3 [Sanitizer] Add default constructor for BlockingMutex 
llvm-svn: 177072
 2013-03-14 13:30:56 +00:00
Alexey Samsonov 7d2385419a [Sanitizer] fix compilation for Windows 
llvm-svn: 177054
 2013-03-14 11:29:06 +00:00
Alexey Samsonov 83e7622df6 [Sanitizer] Write a slightly better implementation of GetEnv() function on Windows 
llvm-svn: 177051
 2013-03-14 11:10:23 +00:00
Evgeniy Stepanov 5697b58ec4 [sanitizer] Move GetTlsSize code from TSan to sanitizer_common. 
llvm-svn: 176938
 2013-03-13 08:19:53 +00:00
Alexey Samsonov db7d9656bb [Sanitizer] Implement BlockingMutex::CheckLocked() 
llvm-svn: 176805
 2013-03-11 15:45:20 +00:00
Alexey Samsonov aadd1f2ad6 [Sanitizer] use raw syscall instead of _exit() function on Linux 
llvm-svn: 175622
 2013-02-20 13:54:32 +00:00
Alexey Samsonov 9211bd33ec [Sanitizer] Make temporary filename depend on user ID 
llvm-svn: 175424
 2013-02-18 07:17:12 +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
Dmitry Vyukov fa67ed47e1 asan/tsan: fix failing CHECK on windows 
llvm-svn: 174319
 2013-02-04 10:42:38 +00:00
Alexey Samsonov 2c5cbd2b38 [Sanitizer] extend internal libc with stat/fstat/lstat functions 
llvm-svn: 174316
 2013-02-04 10:16:50 +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
Alexey Samsonov 4985b8766e [Sanitizer] use u32 instead of mode_t, which is defined in Darwin headers 
llvm-svn: 174189
 2013-02-01 16:32:18 +00:00
Alexey Samsonov 39313b780d [Sanitizer] make internal_open have the same interface as libc version 
llvm-svn: 174187
 2013-02-01 15:58:46 +00:00
Dmitry Vyukov ff19809a3d asan: fix windows build 
llvm-svn: 172415
 2013-01-14 14:28:06 +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
Alexey Samsonov 35ed02ebf1 [Sanitizer] add missing header on Windows 
llvm-svn: 170514
 2012-12-19 08:51:39 +00:00
Alexey Samsonov b6219c060b [Sanitizer] implement internal_isatty on Windows 
llvm-svn: 170507
 2012-12-19 07:57:42 +00:00
Kostya Serebryany a167087571 [asan] fix windows build 
llvm-svn: 170101
 2012-12-13 05:51:02 +00:00
Kostya Serebryany 9806628792 [sanitizer] introduce MmapFixedOrDie and use it in SizeClassAllocator64 
llvm-svn: 170099
 2012-12-13 05:36:00 +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
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 ae9b18b607 [Sanitizer] add sanity checks for communication with external symbolizer 
llvm-svn: 167617
 2012-11-09 14:45:30 +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 0ff6d2dd6c tsan: windows: less includes, better diagnostics for failed VirtualAlloc(), implement sched_yield() 
llvm-svn: 167452
 2012-11-06 13:19:59 +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 20ba98fdb1 [Sanitizer] Use kStderrFd constant instead of hardcoded 2 
llvm-svn: 167291
 2012-11-02 09:38:47 +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 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 28d8be2d86 [Sanitizer] One more try to fix Windows build 
llvm-svn: 162674
 2012-08-27 14:08:53 +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 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
Dmitry Vyukov 3c5c9e7774 tsan/asan: third try on msvc atomics 
llvm-svn: 159449
 2012-06-29 18:37:45 +00:00
Dmitry Vyukov e8cee12ce2 tsan/asan: first try on msvc atomics 
llvm-svn: 159443
 2012-06-29 18:00:38 +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 40e5128412 [Sanitizer] move ShadowRangeIsAvailable and several defines to common runtime 
llvm-svn: 158499
 2012-06-15 07:29:14 +00:00
Alexey Samsonov e4a889866d [Sanitizer] move atomic ops, min/max and sort to commnon runtime 
llvm-svn: 158496
 2012-06-15 07:00:31 +00:00
Alexey Samsonov 70afb91636 [Sanitizer] move more portability wrappers to common runtime: sleep, _exit, abort, atexit, pthread_self 
llvm-svn: 158493
 2012-06-15 06:37:34 +00:00
Alexey Samsonov ae1e171b72 [Sanitizer] move DumpProcessMap and DisableCoreDumper to common runtime 
llvm-svn: 158490
 2012-06-15 06:08:19 +00:00
Alexey Samsonov c70d1086f6 [Sanitizer] move rest of mmap routines to common sanitizer runtime 
llvm-svn: 158452
 2012-06-14 14:42:58 +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 40d5b772e5 [Sanitizer] Switch to common mmap/munmap routines in ASan run-time. 
llvm-svn: 158078
 2012-06-06 16:15:07 +00:00
Alexey Samsonov e95e29c2ac [Sanitizer] Make UNIMPLEMENTED macro common. 
llvm-svn: 158077
 2012-06-06 15:47:40 +00:00
Alexey Samsonov 201aa367fc [ASan] fix win build - add missing header 
llvm-svn: 158057
 2012-06-06 09:43:32 +00:00
Alexey Samsonov ee07290628 [Sanitizer] Move more functions/constants to sanitizer_common. 
llvm-svn: 158056
 2012-06-06 09:26:25 +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 298dd7c361 [TSan] use __sanitizer::internal_open in TSan run-time 
llvm-svn: 157988
 2012-06-05 07:46:31 +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