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30 Commits

Author SHA1 Message Date
Mike Aizatsky 9afa12bbc5 [sancov] pc_guard_init is called at least once per DSO. 
Summary: Documentation update for https://reviews.llvm.org/D29662

Differential Revision: https://reviews.llvm.org/D29722

llvm-svn: 294522
 2017-02-08 21:28:39 +00:00
Kostya Serebryany 4b2ff07c11 [sanitizer-coverage] emit __sanitizer_cov_trace_pc_guard w/o a preceding 'if' by default. Update the docs, also add deprecation notes around other parts of sanitizer coverage 
llvm-svn: 292862
 2017-01-24 00:57:31 +00:00
Mike Aizatsky a271d1a531 [sancov] documentation update after r283241 
llvm-svn: 283242
 2016-10-04 19:19:16 +00:00
Kostya Serebryany f74169c9d6 [sanitizer-coverage] fix docs 
llvm-svn: 282962
 2016-09-30 21:57:10 +00:00
Mike Aizatsky a675e0e03c [sancov] -symbolize documentation update 
llvm-svn: 282948
 2016-09-30 21:02:56 +00:00
Kostya Serebryany 851cb98269 [sanitizer-coverage] a bit more docs 
llvm-svn: 282752
 2016-09-29 19:06:09 +00:00
Kostya Serebryany d6ae22a7ab [sanitizer-coverage] more docs 
llvm-svn: 282751
 2016-09-29 18:58:17 +00:00
Kostya Serebryany 6bb5498a4a [sanitize-coverage] doc typo 
llvm-svn: 282749
 2016-09-29 18:34:40 +00:00
Kostya Serebryany a9b0dd0e51 [sanitizer-coverage/libFuzzer] make the guards for trace-pc 32-bit; create one array of guards per function, instead of one guard per BB. reorganize the code so that trace-pc-guard does not create unneeded globals 
llvm-svn: 282735
 2016-09-29 17:43:24 +00:00
Kostya Serebryany 8e781a888a [libFuzzer] use 'if guard' instead of 'if guard >= 0' with trace-pc; change the guard type to intptr_t; use separate array for 8-bit counters 
llvm-svn: 281845
 2016-09-18 04:52:23 +00:00
Kostya Serebryany 8ad4155745 [sanitizer-coverage] change trace-pc to use 8-byte guards 
llvm-svn: 281809
 2016-09-17 05:03:05 +00:00
Kostya Serebryany 66a9c175bf [sanitizer-coverage] make trace-pc-guard and indirect-call work together 
llvm-svn: 281665
 2016-09-15 22:11:08 +00:00
Kostya Serebryany 60cdd6113f [sanitizer-coverage] add yet another flavour of coverage instrumentation: trace-pc-guard. The intent is to eventually replace all of {bool coverage, 8bit-counters, trace-pc} with just this one. Clang part 
llvm-svn: 281432
 2016-09-14 01:39:49 +00:00
Kostya Serebryany 3b41971763 [sanitizer-coverage] add two more modes of instrumentation: trace-div and trace-gep, mostly usaful for value-profile-based fuzzing; clang part 
llvm-svn: 280044
 2016-08-30 01:27:03 +00:00
Kostya Serebryany 070bcb0d68 [sanitizer-coverag] update the docs in __sanitizer_cov_trace_cmp 
llvm-svn: 279028
 2016-08-18 01:26:36 +00:00
Evgeniy Stepanov 5b49eb42c5 [sanitizer] Allow sanitize coverage w/o sanitizers. 
The reason is that this (a) seems to work just fine and (b) useful when building stuff with
sanitizer+coverage, but need to exclude the sanitizer for a particular source file.

llvm-svn: 272717
 2016-06-14 21:33:40 +00:00
Kostya Serebryany 6453786b26 [sanitizer-coverage] better docs for -fsanitize-coverage=trace-bb 
llvm-svn: 266672
 2016-04-18 21:28:37 +00:00
Aaron Ballman 0f6f82a3a8 Use an anonymous hyperlink reference to eliminate Sphinx warnings. 
llvm-svn: 261523
 2016-02-22 13:09:36 +00:00
Kostya Serebryany 52e86493e3 [sanitizer-coverage] allow -fsanitize-coverage=trace-pc w/o any other sanitizer and w/o ...=[func,bb,edge]. This makes this syntax a superset of the GCC's syntax 
llvm-svn: 261182
 2016-02-18 00:49:23 +00:00
Kostya Serebryany d4590c7304 [sanitizer-coverage] implement -fsanitize-coverage=trace-pc. This is similar to trace-bb, but has a different API. We already use the equivalent flag in GCC for Linux kernel fuzzing. We may be able to use this flag with AFL too 
llvm-svn: 261159
 2016-02-17 21:34:43 +00:00
Sylvestre Ledru be8f396bde Fix some typos in the clang doc 
llvm-svn: 260856
 2016-02-14 20:20:58 +00:00
Mike Aizatsky a731ee3a80 [sancov] improved object files handling. 
Documentation change for: http://reviews.llvm.org/D17169

Differential Revision: http://reviews.llvm.org/D17175

llvm-svn: 260630
 2016-02-12 00:29:45 +00:00
Mike Aizatsky 3828cbbf9f [sancov] sancov tool documentation 
Differential Revision: http://reviews.llvm.org/D16432

llvm-svn: 259000
 2016-01-27 23:56:12 +00:00
Kostya Serebryany 5ce81794c3 [sanitizer coverage] document -fsanitize-coverage=trace-bb 
llvm-svn: 254481
 2015-12-02 02:08:26 +00:00
Kostya Serebryany a94e6e7eb0 [libFuzzer] clarify the limitation of fsanitize-coverage=trace-cmp 
llvm-svn: 254337
 2015-11-30 22:17:19 +00:00
Kostya Serebryany b17e298a64 [libFuzzer] minimal documentation on data-flow-guided fuzzing 
llvm-svn: 243793
 2015-07-31 21:48:10 +00:00
Alexey Samsonov 8fffba1ef1 Update docs for SanitizerCoverage. 
llvm-svn: 236793
 2015-05-07 23:04:19 +00:00
Sergey Matveev ea558e0b33 [docs] Update SanitizerCoverage docs. 
llvm-svn: 236641
 2015-05-06 21:09:00 +00:00
Sergey Matveev 33e322455f Fix clang docs build. 
llvm-svn: 235650
 2015-04-23 21:29:37 +00:00
Sergey Matveev 07e2d283a3 Add clang/docs/SanitizerCoverage.rst 
Moved from https://code.google.com/p/address-sanitizer/wiki/AsanCoverage

llvm-svn: 235643
 2015-04-23 20:40:04 +00:00