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509 Commits

Author SHA1 Message Date
Alexey Samsonov a5b3130e86 AddressSanitizer: get rid of limits.h, use constants for fixed size integral types instead. 
llvm-svn: 151159
 2012-02-22 12:54:04 +00:00
Evgeniy Stepanov abaf196be3 [asan] Remove mentions of pthread*_t from interceptors. 
Some platforms do not define pthread_t in stdlib.h.

llvm-svn: 151158
 2012-02-22 12:31:25 +00:00
Alexey Samsonov 2df8afa075 AddressSanitizer: fix Makefile.old - gtest should depend on libasan 
llvm-svn: 151157
 2012-02-22 11:59:44 +00:00
Timur Iskhodzhanov 94602b48ee [ASan] Fix style + suppress 'long' lint warnings 
llvm-svn: 151149
 2012-02-22 09:28:14 +00:00
Evgeniy Stepanov d179ec614e Update source code links in LICENSE.TXT. 
mach_override has been moved to a different path.
sysinfo is gone.

llvm-svn: 151148
 2012-02-22 09:21:02 +00:00
Alexander Potapenko 2c0ed61c7a Move the contents of AsanProcMaps::Dump() into AsanDumpProcessMaps() for Posix systems. 
Define AsanDumpProcessMaps as unimplemented on Windows.

This should fix the Windows build.

llvm-svn: 151147
 2012-02-22 09:11:55 +00:00
Timur Iskhodzhanov 3a32ed913b [ASan] Fix a wrong filename mentioned in a comment 
llvm-svn: 151145
 2012-02-22 08:56:25 +00:00
Alexander Potapenko c259ab3cac Dump the process memory map if any of the mappings interleaves with the shadow. 
llvm-svn: 151141
 2012-02-22 08:27:32 +00:00
Alexander Potapenko fce2ca9f66 Add AsanProcMaps::Dump() 
llvm-svn: 151139
 2012-02-22 08:13:47 +00:00
Timur Iskhodzhanov a1c987ff38 [ASan] Add __asan_init to the list of C dynamic initializers to support /MD on Windows 
llvm-svn: 151059
 2012-02-21 16:24:23 +00:00
Alexander Potapenko 47038cae29 Fix the lib32 and lib64 targets. 
llvm-svn: 151057
 2012-02-21 14:11:52 +00:00
Timur Iskhodzhanov f2061453bd [ASan] Remove one FIXME - re-enable "free-not-malloced" reports on Windows 
llvm-svn: 151051
 2012-02-21 09:58:39 +00:00
Alexander Potapenko 0be25d562c Check that the FakeStack size is non-zero before looking into it. 
Sometimes DescribeStackAddress is called before another thread's FakeStack is initialized, which could previously cause a check to fire.

llvm-svn: 151046
 2012-02-21 08:45:41 +00:00
Alexey Samsonov 789456bf68 AddressSanitizer: Don't include GrandCentralDispatch headers in asan headers on Mac 
llvm-svn: 151044
 2012-02-21 08:30:57 +00:00
Alexey Samsonov 2d2f1711b7 AddressSanitizer: don't use /tmp for temporary file in output tests. 
llvm-svn: 151042
 2012-02-21 07:08:38 +00:00
Alexey Samsonov 0d0b406aba AddressSanitizer: use custom strtol/atoll functions 
llvm-svn: 150812
 2012-02-17 16:15:09 +00:00
Alexey Samsonov 8e7bfceb98 AddressSanitizer: fix lint 
llvm-svn: 150802
 2012-02-17 08:31:10 +00:00
Alexey Samsonov fbb50f19ad AddressSanitizer: revert r150683 - we can't get rid of headers that easily 
llvm-svn: 150699
 2012-02-16 17:00:45 +00:00
Evgeniy Stepanov 5d47e9164c [asan] Allocator tweaks for low memory systems. 
llvm-svn: 150689
 2012-02-16 13:35:11 +00:00
Alexey Samsonov ca37969c24 AddressSanitizer: don't include pthread.h and signal.h in interceptors on Mac 
llvm-svn: 150683
 2012-02-16 11:26:52 +00:00
Kostya Serebryany 10dbd68bd2 [asan] don't do AsanDie twice 
llvm-svn: 150641
 2012-02-16 00:40:18 +00:00
Alexey Samsonov 1e7e2370aa AddressSanitizer: don't include pthread.h in asan_interceptors.cc on Linux 
llvm-svn: 150573
 2012-02-15 09:14:26 +00:00
Alexey Samsonov 278c25f241 AddressSanitizer: simplify IntervalsAreSeparate function 
llvm-svn: 150569
 2012-02-15 08:27:34 +00:00
Timur Iskhodzhanov d2a9075de0 [ASan] Define an internal implementation of strchr to make stack OOB tests pass on Windows 
llvm-svn: 150499
 2012-02-14 19:33:04 +00:00
Evgeniy Stepanov 2ee5950dd0 [asan] Add lots of missing visibility attributes. 
llvm-svn: 150479
 2012-02-14 13:46:06 +00:00
Kostya Serebryany fcd535ba6c [asan] implement __asan_set_death_callback 
llvm-svn: 150414
 2012-02-13 21:24:29 +00:00
Alexander Potapenko 438447a7f3 Fix compilation on Mac. 
llvm-svn: 150400
 2012-02-13 17:14:31 +00:00
Alexander Potapenko 234d8c2168 Lint fix 
llvm-svn: 150399
 2012-02-13 17:11:19 +00:00
Alexander Potapenko 720aaefb8d Move the non-trivial implementation of AsanShadowRangeIsAvailable to asan_mac.cc 
to avoid crashes on Linux and Win.

llvm-svn: 150398
 2012-02-13 17:09:40 +00:00
Alexander Potapenko ef4521e239 Check whether the shadow memory range intersects with an existing mapping. 
This should help to detect problems with ASLR or linker tricks early.

llvm-svn: 150391
 2012-02-13 15:11:23 +00:00
Alexey Samsonov ea308d876b AddressSanitizer: re-enable lint for output tests 
llvm-svn: 150386
 2012-02-13 14:18:36 +00:00
Alexey Samsonov 54671b63be AddressSanitizer: fix llvm headers in output tests 
llvm-svn: 150385
 2012-02-13 14:05:07 +00:00
Alexey Samsonov 633c8be0ae AddressSanitizer: remove match_output.py, split expected output into OS-specific and OS-independent parts 
llvm-svn: 150384
 2012-02-13 13:59:24 +00:00
Evgeniy Stepanov c5d845dc09 [asan] Add a missing include. 
llvm-svn: 150382
 2012-02-13 12:37:56 +00:00
Evgeniy Stepanov 450c123218 [asan] Add a missing return. 
It is technically reachable on Android, where pthread_exit is not
marked noreturn.

llvm-svn: 150381
 2012-02-13 12:36:44 +00:00
Alexey Samsonov 92a0b806a6 AddressSanitizer: Convert templates for output tests to FileCheck format and move them inside sources 
llvm-svn: 150375
 2012-02-13 12:21:58 +00:00
Evgeniy Stepanov b25d0d2318 [asan] Return type of index() is char*. 
This is important for Android, where we can't keep system headers
from leaking into asan_interceptors.cc.

llvm-svn: 150374
 2012-02-13 12:12:32 +00:00
Evgeniy Stepanov da7522b551 [asan] Disable signal&sigaction interceptors on Android. 
llvm-svn: 150373
 2012-02-13 12:04:36 +00:00
Evgeniy Stepanov 45fd36110b [asan] Default visibility for __asan_handle_no_return. 
llvm-svn: 150372
 2012-02-13 11:55:24 +00:00
Evgeniy Stepanov 56ae29f92d [asan] Fix a crash in GetCurrent() of an undead thread. 
llvm-svn: 150371
 2012-02-13 11:53:24 +00:00
Alexey Samsonov 6e6083f4b1 AddressSanitizer: fix path to FileCheck in makefiles 
llvm-svn: 150368
 2012-02-13 09:14:31 +00:00
Alexey Samsonov b30df37ebf AddressSanitizer: move output tests to a separate directory 
llvm-svn: 150367
 2012-02-13 08:50:21 +00:00
Alexey Samsonov f9affd3a0c AddressSanitizer: Use FileCheck instead of grep for pure C output tests 
llvm-svn: 150366
 2012-02-13 08:27:10 +00:00
Bob Wilson e67004e2f1 Back out some changes that accidentally committed. 
llvm-svn: 150254
 2012-02-10 16:41:46 +00:00
Bob Wilson ddd971564e Revert r150232 since it breaks the build when there's no ARM assembler. 
llvm-svn: 150253
 2012-02-10 16:36:49 +00:00
Daniel Dunbar d205200d41 make/clang_darwin: Tweak CheckArches function to force the integrated-as and use 
the stub SDK to try and ensure we always pick up the right archs when they
should be able to be used.
 - Also, warn when we drop an architecture.

llvm-svn: 150232
 2012-02-10 06:00:35 +00:00
Timur Iskhodzhanov 7ce3e5bb8e [asan] The first version of the RTL for Windows, reviewed at http://codereview.appspot.com/5647052 
llvm-svn: 150185
 2012-02-09 17:20:14 +00:00
Timur Iskhodzhanov bc9bb3f581 Test commit + fix an obvious typo 
llvm-svn: 150184
 2012-02-09 16:29:41 +00:00
Alexey Samsonov 9654367cbc AddressSanitizer: move mach_override inside interception library 
llvm-svn: 150171
 2012-02-09 11:36:12 +00:00
Kostya Serebryany 0394da7bea [asan] unpoison the stack before every noreturn call. Fixes asan issue 37. rt part 
llvm-svn: 150101
 2012-02-08 21:33:27 +00:00
Alexey Samsonov 8489f2a564 AddressSanitizer: start factoring out interception machinery 
llvm-svn: 150083
 2012-02-08 19:52:01 +00:00
Alexander Potapenko 1da11ec357 Move the _ReturnAddress definition out of the __asan:: namespace 
Patch by Timur Iskhodzhanov (timurrrr@google.com)

llvm-svn: 150075
 2012-02-08 14:14:18 +00:00
Alexey Samsonov e725478e2f AddressSanitizer: replace all "real_X" calls with "REAL(X)" 
llvm-svn: 150073
 2012-02-08 13:45:31 +00:00
Alexander Potapenko 42cdb7e640 Typo fix: s/SNPrint/SNPrintf 
llvm-svn: 150069
 2012-02-08 11:45:09 +00:00
Kostya Serebryany 9716914b2d [asan] better warning messages for double-free bugs (provide allocation/deallocation stack traces) 
llvm-svn: 150027
 2012-02-08 00:42:29 +00:00
Kostya Serebryany f98fc08bc7 [asan] GET_CALLER_PC macro for Win. Patch by timurrrr@google.com 
llvm-svn: 149994
 2012-02-07 18:23:54 +00:00
Kostya Serebryany d61255638f [asan] print 'ALL TESTS PASSED' in makefile when running tests (convenience) 
llvm-svn: 149990
 2012-02-07 17:36:07 +00:00
Kostya Serebryany 614b53de1b [asan] don't crash if /proc/self/maps has enormous size (linux) 
llvm-svn: 149944
 2012-02-07 00:47:35 +00:00
Kostya Serebryany b5eb5a7a05 [asan] make sure the AsanThread object is destroyed if pthread_exit is called 
llvm-svn: 149940
 2012-02-07 00:27:15 +00:00
Kostya Serebryany 546ba363ea [asan] use raw syscalls for open/close on linux to avoid being intercepted 
llvm-svn: 149892
 2012-02-06 19:23:38 +00:00
Kostya Serebryany 9ff28d661d [asan] The first version of Windows malloc interceptors, patch by timurrrr@google.com 
llvm-svn: 149875
 2012-02-06 17:56:38 +00:00
Nick Kledzik 686f0d17a6 On Apple platforms, wire up compilerrt_abort() to log file and function info 
llvm-svn: 149723
 2012-02-03 23:53:40 +00:00
Nick Kledzik a2b846c000 Remove __attribute__((weak)) on function prototype. It has a different meaning on prototypes then it does on definitions. It is not needed on the prototype and causes build failures for static codegen 
llvm-svn: 149720
 2012-02-03 23:10:55 +00:00
Alexey Samsonov f9fef3d275 AddressSanitizer: simplify RoundUpToPowerOfTwo/clz; add a couple of CHECKs for real_X calls. Patch by timurrrr@google.com 
llvm-svn: 149687
 2012-02-03 08:50:16 +00:00
Alexey Samsonov 23e3b90319 AddressSanitizer: Replace __attribute__ with macro (for Win compatibility). Patch by timurrrr@google.com 
llvm-svn: 149686
 2012-02-03 08:37:19 +00:00
Alexey Samsonov 15965f9c3d AddressSanitizer: Add macro for definition/declaration of interceptors 
llvm-svn: 149602
 2012-02-02 10:39:40 +00:00
Alexander Potapenko c97434ecaf Disable wrapping memcpy() on Mac OS Lion, where it 
actually falls back to memmove.
In this case we still need to initialize real_memcpy, so we set it to
real_memmove
We check for MACOS_VERSION_SNOW_LEOPARD, because currently only Snow
Leopard and Lion are supported.

llvm-svn: 149492
 2012-02-01 10:07:52 +00:00
Alexander Potapenko f504602a0f Disables testing memcpy() on Mac OS 10.7, 
where memcpy() in fact aliases memmove() and thus calling it with
overlapping parameters is not an error.

llvm-svn: 149491
 2012-02-01 09:47:40 +00:00
Kostya Serebryany 9160b5059b [asan] fix the wrong __WORDSIZE definition on Win x64, add ASAN_INTERFACE_FUNCTION_ATTRIBUTE. Patch by timurrrr@google.com 
llvm-svn: 149395
 2012-01-31 18:13:50 +00:00
Kostya Serebryany 7e7d0ca1a2 [asan] remove dead code 
llvm-svn: 149392
 2012-01-31 17:29:02 +00:00
Alexander Potapenko 81203bdb33 Implement GetMacosVersion() to obtain the OS X version at runtime. 
llvm-svn: 149382
 2012-01-31 13:19:18 +00:00
Kostya Serebryany ad1fccdb1c [asan] tests should not require the asan-rt to be built with debug info 
llvm-svn: 149330
 2012-01-31 01:56:58 +00:00
Kostya Serebryany bca91defcb [asan] new run-time flag: sleep_before_dying (asan Issue #31) 
llvm-svn: 149306
 2012-01-31 00:52:18 +00:00
Kostya Serebryany 9aca3b0d2f [asan] re-enable the test for ObjC initialization bug 
llvm-svn: 149302
 2012-01-30 23:55:46 +00:00
Kostya Serebryany 39ba3f724f [asan] fix issue 35: don't let the optimizer to optimize the test code away. 
llvm-svn: 149296
 2012-01-30 23:23:26 +00:00
Kostya Serebryany fed83c5755 [asan] ifdef/include cleanup 
llvm-svn: 149281
 2012-01-30 22:11:04 +00:00
Kostya Serebryany cf2c65aa8e [asan] add a test for __attribute__ no_address_safety_analysis 
llvm-svn: 149278
 2012-01-30 21:34:59 +00:00
Kostya Serebryany 510850c345 [asan] minor ifdef cleanup 
llvm-svn: 149274
 2012-01-30 20:55:02 +00:00
Alexey Samsonov 2dcef2d2a8 AddressSanitizer: Enforce default visibility for all libc interceptors 
llvm-svn: 149247
 2012-01-30 13:42:44 +00:00
Alexander Potapenko 81ebb0aafb Add a mask for "cmpb $imm, (%rdi)" on x86_64 
llvm-svn: 149245
 2012-01-30 12:49:00 +00:00
Anton Korobeynikov 28037ceacf Proper divmod implementation 
llvm-svn: 149242
 2012-01-30 10:21:51 +00:00
Anton Korobeynikov b047b04c4c Provide aeabi_mem* functions. 
llvm-svn: 149241
 2012-01-30 10:21:23 +00:00
Alexander Potapenko f519564d7c Make compiler-rt/trunk/lib/asan compileable with Visual Studio 2008 on Windows. 
Patch by Timur Iskhodzhanov (timurrrr@google.com)

To test:
$ cl /c *.c*
in the asan directory.

The code fails to link if you omit the "/c" part but that's one of the
next steps,
as well as a few TODO's I've put into the Windows-specific code.

llvm-svn: 149130
 2012-01-27 15:15:04 +00:00
Alexander Potapenko 13d95d5e5a Make compiler-rt/trunk/lib/asan compileable with g++. 
Patch by Timur Iskhodzhanov (timurrrr@google.com)

The double-extern thing is
http://llvm.org/bugs/show_bug.cgi?id=11869

And the #include <string[s].h> are only needed on Mac (see comments in
the original code)
and also including them might make strchr/index conflict with the g++
system headers (which don't follow the man pages, ouch!)

llvm-svn: 149129
 2012-01-27 10:52:37 +00:00
Alexander Potapenko fabfcd8bea Darwin-specific templates for the output tests. 
These should fix the output tests on Mac.

llvm-svn: 149068
 2012-01-26 17:40:18 +00:00
Alexander Potapenko 02a71626e3 More accurate atos execution which depends on the file type (EXECUTE, DYLIB) of the binary. 
More Linux-like output on Mac (to match more output tests).

llvm-svn: 149064
 2012-01-26 17:06:50 +00:00
Alexander Potapenko 98f0c713d9 Fix a bug in AsanProcMaps on Mac: on 64 bits the program was trying to read twice as many segment load commands as the binary actually contained. 
llvm-svn: 149063
 2012-01-26 17:01:20 +00:00
Alexander Potapenko 1f397fb87f Tune asan_symbolize.py to symbolize 64-bit binaries correctly. 
Add the DEBUG flag to test_output.sh

llvm-svn: 148798
 2012-01-24 10:44:44 +00:00
Kostya Serebryany 586ade114b [asan] use internal_strcmp before asan_init is done. *may* fix asan issue #30 
llvm-svn: 148726
 2012-01-23 21:20:05 +00:00
Kostya Serebryany f9418f9679 [asan] test that -fno-optimize-sibling-calls helps to get sane stack traces 
llvm-svn: 148714
 2012-01-23 18:44:34 +00:00
Alexander Potapenko 046ecc06be Wrap CFStringCreateCopy to prevent copying constant CF strings. 
This should fix http://code.google.com/p/address-sanitizer/issues/detail?id=10

llvm-svn: 148696
 2012-01-23 10:09:54 +00:00
Alexander Potapenko f9392011c8 Add a test for CFStringCreateCopy. 
Normally this function should not create copies of constant strings, but it does when the default CFAllocator
is replaced (e.g. under AddressSanitizer)

This test is related to http://code.google.com/p/address-sanitizer/issues/detail?id=10

llvm-svn: 148695
 2012-01-23 10:06:14 +00:00
Evgeniy Stepanov 3f6840745c Make the Android TSD workaround more reliable. 
By scanning the thread list backwards.

llvm-svn: 148476
 2012-01-19 13:57:45 +00:00
Evgeniy Stepanov d296ad4e16 Workaround the self-cleaning TSD on Android. 
llvm-svn: 148475
 2012-01-19 13:37:31 +00:00
Alexander Potapenko 62b0d70e56 Remove a debugging Report() call. 
llvm-svn: 148474
 2012-01-19 13:34:15 +00:00
Alexander Potapenko 3825e9770b Minor fixes of the AsanProcMaps code on Mac: 
-- make the load command scan linear (instead of quadratic)
 -- do not create a nested AsanProcMaps instance for each address lookup
 -- more comments

llvm-svn: 148472
 2012-01-19 12:44:06 +00:00
Evgeniy Stepanov 84c44a8b8b EHABI-based stack trace on ARM. 
The change removes the unused FLAG_fast_unwind, and forces EHABI-based unwind
on ARM, and fast (FP-based) unwind everywhere else.

llvm-svn: 148468
 2012-01-19 11:34:18 +00:00
Alexey Samsonov 0ac73fc9f8 AddressSanitizer: return false instead of true for __asan_get_ownership(NULL) 
llvm-svn: 148394
 2012-01-18 15:26:55 +00:00
Alexander Potapenko 38da9a04f5 Delete sysinfo/* and all references to it. 
llvm-svn: 148386
 2012-01-18 11:42:30 +00:00
Alexander Potapenko 4257386879 Implement AsanProcMaps for Mac OS. The code from sysinfo/ is not needed anymore and should be cleaned up. 
llvm-svn: 148385
 2012-01-18 11:16:05 +00:00