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340 Commits

Author SHA1 Message Date
Kostya Serebryany 332923be32 [asan] get rid of the scary TSD destructor code. Now, we store the leaky AsanThreadSummary in TSD and never remove it from there. 
llvm-svn: 147910
 2012-01-11 02:03:16 +00:00
Kostya Serebryany 258d7b4182 [asan] hopefully fix the build on MacOS 10.6 (the code did work on 10.7, where I tested it) 
llvm-svn: 147896
 2012-01-10 23:36:59 +00:00
Kostya Serebryany a82f0d4950 [asan] move OS-dependent code away from asan_lock.h 
llvm-svn: 147878
 2012-01-10 21:24:40 +00:00
Kostya Serebryany edb4a8a128 [asan] don't include unistd.h in the headers 
llvm-svn: 147811
 2012-01-09 23:11:26 +00:00
Kostya Serebryany 3a55cfacf1 [asan] temporary reinstate string.h/strings.h. Removal of those caused a Mac build failulre which I failed to observe before the commit 
llvm-svn: 147810
 2012-01-09 22:45:05 +00:00
Kostya Serebryany d9cb2f13b3 [asan] don't include string.h and strings.h 
llvm-svn: 147809
 2012-01-09 22:36:51 +00:00
Kostya Serebryany 65518014e2 [asan] don't use strstr/strncat from libc, use our own versions instead 
llvm-svn: 147807
 2012-01-09 22:20:49 +00:00
Kostya Serebryany 3ab81d1f26 [asan] fix mac build once more 
llvm-svn: 147796
 2012-01-09 19:50:06 +00:00
Kostya Serebryany 3e559e87a4 [asan]: fix typo from previous commit 
llvm-svn: 147793
 2012-01-09 19:41:15 +00:00
Kostya Serebryany ba41e8d2c5 [asan]: fix mac build 
llvm-svn: 147792
 2012-01-09 19:35:11 +00:00
Kostya Serebryany 5be458ccfd [asan] refactoring: move some common linux/mac code to asan_posix.cc 
llvm-svn: 147788
 2012-01-09 19:18:27 +00:00
Kostya Serebryany 9fd01e5ea5 [asan] refactoring: move all interceptors to a single file 
llvm-svn: 147784
 2012-01-09 18:53:15 +00:00
Kostya Serebryany 3f4b9bb4a0 [asan] do not use new/delete for the internal thread structure 
llvm-svn: 147674
 2012-01-06 19:44:11 +00:00
Kostya Serebryany 25d6c1b3c3 [asan] move more code into OS-specific files 
llvm-svn: 147671
 2012-01-06 19:11:09 +00:00
Kostya Serebryany adebf0caf5 [asan] cleanup: remove the SIGILL-related code (rt part) 
llvm-svn: 147665
 2012-01-06 18:02:04 +00:00
Kostya Serebryany 2b08718bba [asan] move more stuff to OS-specific files 
llvm-svn: 147647
 2012-01-06 02:12:25 +00:00
Rafael Espindola a0fbaeebe6 Fix build on minix. Patch by Ben Gras! 
llvm-svn: 147632
 2012-01-05 23:59:42 +00:00
Kostya Serebryany 3b7fb102c4 [asan] use dl_iterate_phdr for pre-symbolization on linux instead of parsing /proc/self/maps 
llvm-svn: 147628
 2012-01-05 23:50:34 +00:00
Kostya Serebryany 78d87d3b4b [asan] move {linux,mac}-specific code from asan_thread.cc to asan_{linux,mac}.cc; also add asan_procmaps.h which I forgot to add on previous commit. 
llvm-svn: 147586
 2012-01-05 01:07:27 +00:00
Kostya Serebryany cd271f5440 [asan] implement our own /proc/self/maps reader and use it on linux instead of sysinfo.h 
llvm-svn: 147581
 2012-01-05 00:44:33 +00:00
Kostya Serebryany cc1d7893d6 [asan] remove objdump-based tests in favour of much simpler LLVM-ish tests 
llvm-svn: 147514
 2012-01-04 02:08:46 +00:00
Bob Wilson bf9a62dcad Fix missing include of int_lib.h and ppc ifdef for FreeBSD. 
Patch provided by Ed Schouten!

llvm-svn: 147458
 2012-01-03 18:59:25 +00:00
NAKAMURA Takumi e9d3d21988 Happy new year 2012! 
llvm-svn: 147395
 2012-01-01 08:16:56 +00:00
Kostya Serebryany 10a6b304e1 [asan] build asan-rt with -funwind-tables 
llvm-svn: 147341
 2011-12-29 17:29:20 +00:00
Kostya Serebryany d2d043be45 [asan] force the __asan_unregister_globals to reside in the runtime library 
llvm-svn: 147329
 2011-12-28 23:35:46 +00:00
Kostya Serebryany a772096156 [asan] refactoring: don't #include <sys/mman.h> in non-os-specific files 
llvm-svn: 147328
 2011-12-28 23:28:54 +00:00
Kostya Serebryany 6c4bd806fa [asan] use custom libc-free getenv; a bit of refactoring around mmap calls 
llvm-svn: 147326
 2011-12-28 22:58:01 +00:00
Kostya Serebryany 5bdf7dcb2d [asan] missing PTHREAD_DESTRUCTOR_ITERATIONS on Android. patch by eugeni.stepanov@gmail.com 
llvm-svn: 147322
 2011-12-28 20:47:21 +00:00
Kostya Serebryany bab78de8a3 [asan] discover main thread stack limits without pthread. patch by eugeni.stepanov@gmail.com 
llvm-svn: 147321
 2011-12-28 20:34:30 +00:00
Kostya Serebryany 2b87e403c4 [asan] no ucontext on Android. patch by eugeni.stepanov@gmail.com 
llvm-svn: 147320
 2011-12-28 20:22:21 +00:00
Kostya Serebryany 76eca5e53a [asan] enable memset/memcpy/memmove interceptors in asan-rt (in addition to those in the compiler module) 
llvm-svn: 147319
 2011-12-28 19:55:30 +00:00
Kostya Serebryany e4a84c4f1f [asan] better message for parameter overlap bugs 
llvm-svn: 147317
 2011-12-28 19:24:31 +00:00
Kostya Serebryany 50bc2a71b2 [asan] interceptor for strcat. Patch by samsonov@google.com 
llvm-svn: 147316
 2011-12-28 19:08:49 +00:00
Kostya Serebryany 6579e355c0 [asan] interceptor for memcmp. Patch by samsonov@google.com 
llvm-svn: 147315
 2011-12-28 18:56:42 +00:00
Kostya Serebryany 809632e28e [asan] interceptors for strcasecmp and strncasecmp. patch by samsonov@google.com 
llvm-svn: 147304
 2011-12-28 02:24:50 +00:00
Kostya Serebryany 8b981c2564 The code instrumented with ASan may have its own instance of the 
mach_override library.
In this case chances are that functions from it will be called from
mach_override_ptr() during ASan initialization.
This may lead to crashes (if those functions are instrumented) or
incorrect behavior (if the implementations differ).

The attached patch renames mach_override_ptr() into
__asan_mach_override_ptr() and makes the rest of the mach_override
internals hidden.
The corresponding AddressSanitizer bug is
http://code.google.com/p/address-sanitizer/issues/detail?id=22

Patch by glider@google.com

llvm-svn: 147303
 2011-12-28 01:08:14 +00:00
Kostya Serebryany 46c70d33d7 [asan] make sure __asan_report_* functions are not inlined (so that they are not optimized away and are kept in the resulting library). Patch by glider@google.com 
llvm-svn: 147302
 2011-12-28 00:59:39 +00:00
Kostya Serebryany 5469986da0 [asan] remove the test for cfree. 'man cfree' says: 'This function should never be used.' and this function is not found on many OSes we support. 
llvm-svn: 147301
 2011-12-27 23:42:55 +00:00
Kostya Serebryany dd1386f882 new() has slightly different signature on Android. This patch adds the 
llvm-svn: 147300
 2011-12-27 23:11:09 +00:00
Kostya Serebryany db32f967b9 [asan] rely on __has_feature(address_sanitizer) instead of the ADDRESS_SANITIZER macro 
llvm-svn: 147297
 2011-12-27 21:57:12 +00:00
Kostya Serebryany 1b82c281f3 [asan] make sure frame pointers are not omitted when running asan output tests 
llvm-svn: 147293
 2011-12-27 19:52:54 +00:00
Kostya Serebryany 6bb2f1d5b5 Recently the GCD tests started failing because of the invalid size of 
FakeStack on the worker threads.
This patch moves the AsanThread initialization into a separate
procedure that's called when AsanThread objects are called for worker
threads.
Patch by glider@google.com

llvm-svn: 146752
 2011-12-16 19:13:35 +00:00
Kostya Serebryany 6d37656c1a [asan] revert r146529: we do need to build asan-rt as a shared library. Will need to find a different way to modify preinit_array 
llvm-svn: 146703
 2011-12-15 23:08:00 +00:00
Kostya Serebryany 7ce9686921 [asan] added a test to check that a global-buffer-overflow mentioned the module name; revert incorrect change in the test runner 
llvm-svn: 146701
 2011-12-15 22:57:32 +00:00
Kostya Serebryany 9366d42e91 [asan] fix a bug (issue 19) where dlclose and the following mmap caused a false positive. run-time part. 
llvm-svn: 146687
 2011-12-15 21:55:34 +00:00
Kostya Serebryany e8a7d2aef8 [asan] regression test for asan issue 19, currently fails. 
llvm-svn: 146681
 2011-12-15 20:38:14 +00:00
Kostya Serebryany 7fb33a3d40 [asan] poison the internal asan heap memory, just in case. Change Printf to Report when debugging globals. 
llvm-svn: 146663
 2011-12-15 17:41:30 +00:00
Kostya Serebryany 9bd5208965 [asan] insert __asan_init into ".preinit_array" section. Linux-only. 
llvm-svn: 146529
 2011-12-14 00:19:03 +00:00
Kostya Serebryany e85da73553 [asan] fix the test runner to detect build breakages; add a test for -pie 
llvm-svn: 146528
 2011-12-14 00:05:22 +00:00
Kostya Serebryany 1d337a5e06 [asan] fix some more format warnings in sysinfo/sysinfo.cc 
llvm-svn: 146526
 2011-12-13 23:34:59 +00:00