00492cab3e
Revert the erroneous changes made to Makefile.old in r162547
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Remove a spare newline from asan_rtl.cc
llvm-svn: 162548
2012-08-24 09:31:53 +00:00
fefc1e989c
If the program is linked to a dynamic ASan runtime which is not present in DYLD_INSERT_LIBRARIES
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(which, in turn, is required for our interceptors to take effect), re-exec the program with
DYLD_INSERT_LIBRARIES set.
llvm-svn: 162547
2012-08-24 09:22:05 +00:00
d79d80b4a0
Add add_clang_runtime_shared_library() CMake function and use it to put the shared ASan runtime in the appropriate place.
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llvm-svn: 162546
2012-08-24 07:49:22 +00:00
2ebe619340
Re-implement the wrappers for libdispatch functions using blocks where appropriate
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(kudos to Anna Zaks for a good example).
This simplifies the code much and lets us not implement internal parts of libdispatch.
All ASan tests from t32 and t64 should pass with the dylib runtime now.
llvm-svn: 162439
2012-08-23 09:34:40 +00:00
419f610a74
[Sanitizer] Switch the symbolization strategy that would be used by sanitizer tools family: as compiling in-process symbolizer into runtime involves certain difficulties, we may instead launch an external symbolizer program (fork + execl) in a subprocess and communicate with it via pipe.
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llvm-svn: 162437
2012-08-23 07:32:06 +00:00
4d520640ba
[ASan] use write instead of puts in malloc hooks test for ASan, as puts calls malloc on Mac
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llvm-svn: 162359
2012-08-22 13:32:37 +00:00
a85b6b8154
[ASan] get rid of ASAN_USE_EXTERNAL_SYMBOLIZER compiler def in favor of __asan_set_symbolize_callback interface function. Now the user doesn't have to recompile ASan runtime to provide its own symbolizer
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llvm-svn: 162358
2012-08-22 13:31:37 +00:00
de17f86655
[ASan] make ASan malloc/free hooks weak interface functions, overridable by user. Now the user can control malloc/free hooks without recompiling ASan runtime
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llvm-svn: 162355
2012-08-22 10:12:47 +00:00
68d9c9da40
[asan] fix mac build
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llvm-svn: 162279
2012-08-21 14:43:36 +00:00
676bcdb838
[asan] run-time part of the initialization order checker. Patch by Reid Watson with some bits from kcc. The sub-pass is off by default for now. On simple tests it works fine.
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llvm-svn: 162278
2012-08-21 14:10:25 +00:00
55b4dd314f
[asan] update asan-rt to match the interface change in LLVm (r162268)
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llvm-svn: 162269
2012-08-21 08:24:35 +00:00
6b745b5281
[asan] fix lint
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llvm-svn: 162258
2012-08-21 06:43:44 +00:00
02e6f03236
Dynamic interceptors for dispatch_async and dispatch_after.
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llvm-svn: 162202
2012-08-20 11:59:26 +00:00
1233d558dc
Minor refactoring: reduce code duplication by introducing a macro for dispatch_sync_f, dispatch_async_f, dispatch_barrier_async_f bodies.
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llvm-svn: 162199
2012-08-20 09:25:10 +00:00
4a156c1b80
Fix a leftover #if defined(DYNAMIC_MAC_WRAPPERS).
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llvm-svn: 162197
2012-08-20 08:49:49 +00:00
dffbb3b330
Intercept siglongjmp and _longjmp under "#if ASAN_INTERCEPT_*"
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llvm-svn: 162103
2012-08-17 16:27:38 +00:00
5f487de8a3
Fix lint warnings.
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llvm-svn: 162092
2012-08-17 10:08:51 +00:00
c62210e3ff
Commit the source and CMake changes that will allow to build ASan runtime
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as a shared library on Mac OS. This will provide an alternative to
mach_override.
llvm-svn: 162091
2012-08-17 09:00:08 +00:00
cfb2a6b074
Remove the extra semicolon reported by the buildbot.
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llvm-svn: 161954
2012-08-15 15:59:18 +00:00
f6344ffe39
Introduce asan_intercepted_functions.h which contains the declarations wrapped functions and their wrappers.
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Those declarations are going to be shared between asan_interceptors.cc and the dynamic runtime library on Mac OS.
llvm-svn: 161952
2012-08-15 15:24:48 +00:00
5b2c6ea38f
[ASan] lit tests: use nm instead of llvm-nm, until llvm-nm becomes usable on Mac. Port output test change in r161948 to lit
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llvm-svn: 161951
2012-08-15 14:33:30 +00:00
6c1de8faa7
Check for filenames and numbers to detect possible problems with asan_symbolize.py on -fPIE binaries.
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llvm-svn: 161948
2012-08-15 14:00:09 +00:00
1800362758
Pass offset of the frame address within the binary to addr2line instead of the absolute address.
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Fixes the problem with -PIE binaries.
llvm-svn: 161947
2012-08-15 13:58:24 +00:00
07ea07c3ca
Patch the frame address regardless of the frame number.
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llvm-svn: 161946
2012-08-15 13:23:03 +00:00
20f9fcc285
Move the prototype of __CFInitialize to asan_mac.h so that asan_malloc_mac.cc may use it in the dynamic library mode.
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llvm-svn: 161945
2012-08-15 12:23:36 +00:00
9a168a7405
Use SANITIZER_INTERFACE_ATTRIBUTE instead of __attribute__((visibility("default")))
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Export CheckFailed, asan_malloc, asan_free, asan_memalign, AsanStackTrace::CompressStack, AsanStackTrace::UncompressStack from the dynamic runtime library.
llvm-svn: 161943
2012-08-15 11:57:52 +00:00
55df945db2
Make __asan::asan_{malloc,free,memalign} globally visible, so that the dynamic version of the runtime will export them.
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llvm-svn: 161942
2012-08-15 11:32:15 +00:00
9fe914b099
[ASan] Port (the last one) tricky interface_test to lit, and a *huge* chunks of boilerplate to run tests for 32/64 bits and all optimization levels. Alas, lit doesn't support for loops in RUN-lines...
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llvm-svn: 161941
2012-08-15 11:26:57 +00:00
81a1ec8ea6
Do not attempt to intercept mlock and friends on Windows.
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llvm-svn: 161939
2012-08-15 09:46:45 +00:00
785f8bc4ec
Use the common interception machinery for mlock/munlock/mlockall/munlockall.
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llvm-svn: 161938
2012-08-15 09:22:57 +00:00
0e056762ef
[ASan] use clangxx_asan instead of clang_asan for C++ lit tests
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llvm-svn: 161936
2012-08-15 08:54:14 +00:00
6016486a16
[ASan] port remaining output and feature tests to lit. TODO: we should in fact run most of the tests for 32/64 bits and for all optimization levels
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llvm-svn: 161935
2012-08-15 08:29:17 +00:00
5717f4c1eb
[ASan] port interception and shared library tests to lit
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llvm-svn: 161933
2012-08-15 07:13:51 +00:00
682a07cbe1
[ASan] move declaration of __asan_default_options to interface header
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llvm-svn: 161932
2012-08-15 07:11:14 +00:00
ad855e9438
[asan] better diagnostics for mmap failure
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llvm-svn: 161874
2012-08-14 15:18:40 +00:00
517842b2fc
[ASan] make sure __asan_default_options symbol is exported
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llvm-svn: 161873
2012-08-14 15:03:24 +00:00
eb39adc9fa
[ASan] make sure __asan_default_options gets default visibility, port corresponding test to lit
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llvm-svn: 161869
2012-08-14 13:54:28 +00:00
bf2bfa5aa4
[ASan] support for running OS-specific tests using lit, port clone_test as an example
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llvm-svn: 161864
2012-08-14 13:22:58 +00:00
b39b0fa9a0
[ASan] add __asan_set_on_error_callback into force_interface_symbols (thanks to cool test by glider@)
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llvm-svn: 161756
2012-08-13 14:05:00 +00:00
f87ff74075
[ASan] Add __asan_set_on_error_callback() interface function that allows user to set a callback to be called right when ASan detects an error
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llvm-svn: 161754
2012-08-13 11:23:40 +00:00
a72c7cf227
[ASan] If ASan finds second error report, wait for some time and die (instead of running in a busy loop) to make sure ASan won't hang if it finds error while reporting an error in the same thread
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llvm-svn: 161749
2012-08-13 09:57:19 +00:00
b93df94238
[ASan] share code executed at the beginning/end of printing error reports
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llvm-svn: 161666
2012-08-10 15:13:05 +00:00
fb844c7eff
[ASan] CMake support for building ASan runtime as a universal binary on Mac
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llvm-svn: 161665
2012-08-10 14:45:52 +00:00
33c028fa05
Remove the setjmp.h dependency, fix the comment.
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llvm-svn: 161662
2012-08-10 12:46:39 +00:00
2cdd4f165e
Temporary fix for http://code.google.com/p/address-sanitizer/issues/detail?id=99 :
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when trying to free memory that actually belongs to the system purgeable zone, use malloc_zone_free(malloc_default_purgeable_zone(), ptr) instead of asan_free().
llvm-svn: 161661
2012-08-10 11:33:01 +00:00
8aba007fe1
Add a test checking that all the "__asan_" interface functions are present in a binary built with -dead_strip.
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Fix force_interface_symbols() so that none of the interface symbols is stripped.
llvm-svn: 161582
2012-08-09 16:05:17 +00:00
f343eb7df4
[ASan] Move mac-specific error reports to asan_report.cc as well
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llvm-svn: 161576
2012-08-09 12:15:40 +00:00
b53a670817
[ASan] Small fix to please tests on Windows, where stack unwinding using provided pc/bp works too bad
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llvm-svn: 161575
2012-08-09 11:29:13 +00:00
f688412b8c
[ASan] Move __asan_report_error implementation to asan_report.cc
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llvm-svn: 161574
2012-08-09 10:56:57 +00:00
ba6174889c
Use a switch instead of a simple condition in force_interface_symbols().
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Otherwise Clang eliminates everything after the first interface symbol that is marked noreturn.
llvm-svn: 161573
2012-08-09 09:46:12 +00:00
Alexander Potapenko