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92 Commits

Author SHA1 Message Date
Kostya Serebryany 00e22d2b2c [asan] more compaction for allocator 
llvm-svn: 158076
 2012-06-06 15:30:55 +00:00
Kostya Serebryany 79437fe376 [asan] make tid u32 instead of int 
llvm-svn: 158074
 2012-06-06 15:06:58 +00:00
Kostya Serebryany 53b74ac256 [asan] start compacting the allocator header, the goal is to make it 16 bytes w/o losing any information 
llvm-svn: 158072
 2012-06-06 14:46:38 +00:00
Alexey Samsonov 51ae983718 [Sanitizer]: Introduce a common internal printf function. For now, also use tool-specific wrappers TsanPrintf (its output is controlled by TSan flags) and AsanPrintf (which copies its results to the ASan-private buffer). Supported formats: %[z]{d,u,x}, %s, %p. Re-write all format strings in TSan according to this format (this should have no effect on 64-bit platforms). 
llvm-svn: 158065
 2012-06-06 13:11:29 +00:00
Alexey Samsonov 461820ad67 [ASan] Make printf arguments match format strings better. 
llvm-svn: 158059
 2012-06-06 10:46:00 +00:00
Alexey Samsonov 485d3dc363 Remove file-type tags for .cc files in ASan run-time library 
llvm-svn: 157927
 2012-06-04 13:50:10 +00:00
Kostya Serebryany 1d35d155fd [asan] more renaming 
llvm-svn: 157747
 2012-05-31 15:02:07 +00:00
Kostya Serebryany 8d03204204 [asan] more renaming 
llvm-svn: 157746
 2012-05-31 14:35:53 +00:00
Kostya Serebryany 1b71207f48 [asan,tsan] introduce sanitizer_common/sanitizer_defs.h and perform some renaming in asan rt. More to come. 
llvm-svn: 157743
 2012-05-31 14:11:07 +00:00
Alexander Potapenko 442002568c Introduce the check_malloc_usable_size flag (on by default). 
When the flag is set to zero, we do not check for errors in malloc_usable_size.
This may be useful to work around a bug in Nvidia drivers prior to 295.*

llvm-svn: 157472
 2012-05-25 15:20:13 +00:00
Timur Iskhodzhanov ea365131a2 [ASan] Make for-Windows RTL compileable using Clang++ 
llvm-svn: 157188
 2012-05-21 14:25:36 +00:00
Kostya Serebryany c5bf3ad922 [asan] fix asan issue #66 (correctly report type of the bug) 
llvm-svn: 155344
 2012-04-23 10:08:16 +00:00
Kostya Serebryany 7a8f5e4d1e [asan] make __asan::Deallocate immune to racy double-free (issue #57) 
llvm-svn: 154097
 2012-04-05 15:55:09 +00:00
Alexander Potapenko 8418de1689 Log the allocator messages at a higher verbosity level. 
llvm-svn: 153514
 2012-03-27 16:37:16 +00:00
Evgeniy Stepanov 823085a8f4 [asan] Support for %z to Printf() 
At the moment, asan internal Printf() uses %l modifier for printing
values of size_t and related types. This works, because we control
both the implementation of Printf and all its uses, but can be a
little misleading.

This change adds support for %z to Printf(). All callers that print
sizes and pointers as integers are switched to %zu / %zx.

llvm-svn: 153177
 2012-03-21 11:32:46 +00:00
Alexey Samsonov 8b5f7c5aa2 AddressSanitizer: fix a couple of typos 
llvm-svn: 152617
 2012-03-13 06:46:32 +00:00
Kostya Serebryany b0f9354168 [asan] use O(log(N)) algorithm instead of O(N) in __asan_get_ownership 
llvm-svn: 152467
 2012-03-10 01:30:01 +00:00
Evgeniy Stepanov d84e16e6a3 Replace some #ifdef(s) with plain if(s). 
llvm-svn: 151526
 2012-02-27 13:07:29 +00:00
Alexey Samsonov a1a3a2ffc3 AddressSanitizer: add some checks to AsanChunkFifoList::PushList 
llvm-svn: 151521
 2012-02-27 09:06:10 +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
Alexey Samsonov 8e7bfceb98 AddressSanitizer: fix lint 
llvm-svn: 150802
 2012-02-17 08:31:10 +00:00
Evgeniy Stepanov 5d47e9164c [asan] Allocator tweaks for low memory systems. 
llvm-svn: 150689
 2012-02-16 13:35:11 +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
Alexey Samsonov e725478e2f AddressSanitizer: replace all "real_X" calls with "REAL(X)" 
llvm-svn: 150073
 2012-02-08 13:45:31 +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
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
Kostya Serebryany 510850c345 [asan] minor ifdef cleanup 
llvm-svn: 149274
 2012-01-30 20:55:02 +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
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
Alexey Samsonov 67d508d083 Revert commit 148304 
llvm-svn: 148305
 2012-01-17 14:01:15 +00:00
Alexey Samsonov 1e310295d0 AddressSanitizer: from this patch, ASan allocator returns false for __asan_get_ownership(NULL) and produce error reports for malloc_usable_size(NULL) and __asan_get_allocated_size(NULL) 
llvm-svn: 148304
 2012-01-17 13:31:54 +00:00
Alexey Samsonov 209c514a1d AddressSanitizer: add support for malloc_usable_size() function 
llvm-svn: 148287
 2012-01-17 06:39:10 +00:00
Kostya Serebryany 2b08718bba [asan] move more stuff to OS-specific files 
llvm-svn: 147647
 2012-01-06 02:12:25 +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 d47a91ad2a [asan] canonicalise the output for double-free and wrong-free. fixes asan issue 18 
llvm-svn: 146501
 2011-12-13 19:16:36 +00:00
Kostya Serebryany 72fde3727e [asan] make use-after-return mode more robust: allow to call instrumented functions while reporting an error 
llvm-svn: 146231
 2011-12-09 01:49:31 +00:00
Kostya Serebryany 49a182fa12 [asan] always collect malloc statstics (removed FLAG_stats) 
llvm-svn: 145838
 2011-12-05 19:17:53 +00:00
Kostya Serebryany 2d27cdf621 [asan] minimize the use of STL. One bit is still left. 
llvm-svn: 145691
 2011-12-02 18:42:04 +00:00
Daniel Dunbar 4e3a11ba57 lib/asan: Fix possible type mismatches. 
llvm-svn: 145664
 2011-12-02 01:36:38 +00:00
Kostya Serebryany 15dd3f2500 Refactor shadow poisoning done by asan-rt, no funtionality changes; patch by samsonov@google.com 
llvm-svn: 145505
 2011-11-30 18:50:23 +00:00
Kostya Serebryany 019b76f5fd AddressSanitizer run-time library. Not yet integrated with the compiler-rt build system, but can be built using the old makefile. See details in README.txt 
llvm-svn: 145463
 2011-11-30 01:07:02 +00:00