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41 Commits

Author SHA1 Message Date
Sergey Matveev 27ef175ef0 [lsan] Fix bug when discovering indirectly leaked objects. 
If an object contains pointers to itself, that doesn't make it indirectly
leaked. D'oh!

llvm-svn: 192716
 2013-10-15 16:00:11 +00:00
Sergey Matveev 43d90cbd86 [lsan] Support ASan's stack-use-after-return mode in LSan. 
Treat the fake stack as live memory.

llvm-svn: 192593
 2013-10-14 14:04:50 +00:00
Sergey Matveev da9f5e7e7f [asan] Improve thread lifetime tracking on POSIX systems. 
Call AsanThread::Destroy() from a late-running TSD destructor.
Previously we called it before any user-registered TSD destructors, which caused
false positives in LeakSanitizer.

llvm-svn: 192585
 2013-10-14 12:01:05 +00:00
Alexey Samsonov f56ddf7fd1 [LSan] Don't report leaks with single-frame stack traces 
llvm-svn: 191522
 2013-09-27 13:54:20 +00:00
Alexey Samsonov 5b5c99d219 ASan, LSan, MSan: try to find llvm-symbolizer binary in PATH if it is not provided. Now we don't need to explicitly set the location of llvm-symbolizer in lit test configs. 
llvm-svn: 189801
 2013-09-03 13:22:51 +00:00
Alexey Samsonov 614a5ea990 Revert r189347: it breaks on machines w/o installed debug versions of system libraries 
llvm-svn: 189350
 2013-08-27 14:04:01 +00:00
Alexey Samsonov ea0ef986e2 LSan: Check that dynamic linker library is properly symbolized 
llvm-svn: 189347
 2013-08-27 13:39:33 +00:00
Alexey Samsonov 903c3250d2 Slightly improve lint checker script and fix a few style issues 
llvm-svn: 189092
 2013-08-23 07:43:56 +00:00
Sergey Matveev 5371e90f7a [lsan] Add a regression test for building C code. 
llvm-svn: 189016
 2013-08-22 14:48:44 +00:00
Sergey Matveev f6ca04d468 [lsan] Add a stress test. 
llvm-svn: 189012
 2013-08-22 13:32:10 +00:00
Daniel Dunbar bc5dbc435e [tests] Update to use lit_config and lit package, as appropriate. 
llvm-svn: 188116
 2013-08-09 22:14:01 +00:00
Alexey Samsonov fd078b9405 Enable pipefail for LSan tests 
llvm-svn: 187873
 2013-08-07 08:46:09 +00:00
Sergey Matveev 6459a370a7 [lsan] Add leak_check_at_exit flag. 
We needed a way to tell LSan to invoke leak checking only if __do_leak_check()
is called explicitly. This can now be achieved by setting
leak_check_at_exit=false.

llvm-svn: 187578
 2013-08-01 14:57:07 +00:00
Rafael Espindola 3cf7eb50a9 Disable pipefail for lsan. 
llvm-svn: 187274
 2013-07-26 23:42:16 +00:00
Hans Wennborg 2e304b6ffd Use --driver-mode=g++ instead of -ccc-cxx; required after Clang r186605 
llvm-svn: 186607
 2013-07-18 20:48:50 +00:00
Sergey Matveev 655bd0d08c [lsan] Add __lsan_do_leak_check() to the public interface. 
Let users override the normal behavior to run leak checking earlier in
the process. Also fix a couple nits here and there.

llvm-svn: 186581
 2013-07-18 14:06:07 +00:00
Sergey Matveev ddd7b6a1c8 [lsan] Fix test. 
llvm-svn: 185817
 2013-07-08 14:08:05 +00:00
Sergey Matveev bdeff959a1 [lsan] Handle fork() correctly. 
Update the main thread's os_id on every pthread_create, and before
initiating leak checking. This ensures that we have the correct os_id even if we
have forked after Init().

llvm-svn: 185815
 2013-07-08 12:57:24 +00:00
Alexey Samsonov e71f37c1cd Define the path to llvm-symbolizer tool in a common config to reduce copy-paste 
llvm-svn: 185286
 2013-06-30 14:47:38 +00:00
Sergey Matveev 202881d1fe [lsan] Fix build again. 
llvm-svn: 185157
 2013-06-28 15:23:15 +00:00
Sergey Matveev b3fa575f7b [lsan] Fix build. 
llvm-svn: 185156
 2013-06-28 15:18:06 +00:00
Sergey Matveev 2b19ee3da8 [lsan] Add suppression support. 
llvm-svn: 185152
 2013-06-28 14:38:31 +00:00
Sergey Matveev 1c34897887 [lsan] Fix flaky test. 
llvm-svn: 185079
 2013-06-27 14:24:07 +00:00
Alexey Samsonov 895784a5b0 [LSan] Add the way to disable LSan at link time 
llvm-svn: 185066
 2013-06-27 09:35:50 +00:00
Sergey Matveev 4e0215a71c Revert to C-style callbacks for iteration over allocator chunks. 
Also clean up LSan code, fix some comments and replace void* with uptr
to bring down the number of reinterpret_casts.

llvm-svn: 184700
 2013-06-24 08:34:50 +00:00
Sergey Matveev b94d5e2d1c [asan] Move lsan_disabled out of thread context. 
Fix for the case where disabler is used in pthread key destructor.

llvm-svn: 184553
 2013-06-21 14:51:52 +00:00
Sergey Matveev dac35c24c0 [lsan] Move symbolization and reporting out of StopTheWorld callback. 
llvm-svn: 184303
 2013-06-19 14:04:11 +00:00
Alexey Samsonov 7e325fb477 Properly install LSan interface header, rely on sanitizer header presence in lit tests 
llvm-svn: 183977
 2013-06-14 11:45:36 +00:00
Sergey Matveev 978460c12c [lsan] Harmonized some naming inconsistencies. 
llvm-svn: 183748
 2013-06-11 15:26:20 +00:00
Sergey Matveev 5129c5e56f [lsan] Fix the unittest makefiles. 
llvm-svn: 183735
 2013-06-11 09:52:02 +00:00
Dmitry Vyukov 50ef53ebfc tsan: fix lint warnings 
llvm-svn: 183642
 2013-06-10 10:00:54 +00:00
Sergey Matveev ecc4f5ba8e [lsan] Implement __lsan_ignore_object(). 
Leak annotation similar to HeapChecker's IgnoreObject().

llvm-svn: 183412
 2013-06-06 14:17:56 +00:00
Alexey Samsonov f6630ecee9 Simplify lit configs for asan/lsan/msan unit tests 
llvm-svn: 183410
 2013-06-06 13:48:20 +00:00
Alexey Samsonov e3bf521b7c Remove a bunch of copy-paste: use common config for sanitizer lit/unit tests 
llvm-svn: 183407
 2013-06-06 13:28:37 +00:00
Sergey Matveev 17ee1abfa7 [lsan] Add __lsan_disable() and __lsan_enable(). 
Objects allocated after a call to __lsan_disable() will be treated as
live memory. Also add a ScopedDisabler.

llvm-svn: 183099
 2013-06-03 11:21:34 +00:00
Sergey Matveev 5494e0bec3 [lsan] Run the leak detection tests under both ASan and LSan. 
Change the LSan lit test logic. Now "check-lsan" tests the leak
checking functionality in both standalone LSan and ASan.

llvm-svn: 183000
 2013-05-31 13:13:55 +00:00
Sergey Matveev e615432313 [lsan] Convert the remaining LSan tests to output tests. 
llvm-svn: 182839
 2013-05-29 10:12:37 +00:00
Alexey Samsonov 75289297af Exclude sanitizer_nolibc_test from TSan test run. Fix lint warnings 
llvm-svn: 182837
 2013-05-29 09:40:07 +00:00
Sergey Matveev 39e8a6d87e [lsan] Begin converting LSan tests to output tests. 
In this CL all old tests are removed and one LIT test is added.

llvm-svn: 182730
 2013-05-27 11:41:46 +00:00
Alexey Samsonov 9c2bcf8c15 Improve support for compiler-rt tests in CMake build. 
Now compiler-rt tests run correctly if compiler-rt is checked out into
arbitrary directory (not necessarily projects/compiler-rt).
Patch by Greg Fitzgerald!

llvm-svn: 182726
 2013-05-27 09:35:24 +00:00
Sergey Matveev a4a01975d5 [lsan] Add lit test support. 
"check-lsan" now runs both the tests from lib/lsan/tests and any lit
tests found under lib/lsan/lit_tests.

llvm-svn: 182583
 2013-05-23 12:58:56 +00:00