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9 Commits

Author SHA1 Message Date
Mehdi Amini 1d9f3fe77c Mark some libFuzzer tests as XFAIL'd on Darwin 
We're bringing up a bot on Green Dragon right now:

http://green.lab.llvm.org/green/view/Experimental/job/libFuzzer

llvm-svn: 296526
 2017-02-28 21:45:59 +00:00
Marcos Pividori 62c10bf118 [libFuzzer] Consider both possible separators for tests. 
Differential Revision: https://reviews.llvm.org/D28636

llvm-svn: 292740
 2017-01-22 01:58:31 +00:00
Kostya Serebryany 2f962fe5f7 [libFuzzer] test cleanup 
llvm-svn: 289312
 2016-12-10 02:45:56 +00:00
Kostya Serebryany b66cb88c2e revert r288283 as it causes debug info (line numbers) to be lost in instrumented code. also revert r288299 which was a workaround for the problem. 
llvm-svn: 288300
 2016-12-01 02:06:56 +00:00
Kostya Serebryany 73f438ef9a [libFuzzer] temporary disable a part of the test broken by r288283 
llvm-svn: 288299
 2016-12-01 01:33:44 +00:00
Kostya Serebryany 1cba0a96e7 [libFuzzer] extend -print_coverage to print the comma-separated list of covered dirs. Note: the Windows stub for DirName is left unimplemented 
llvm-svn: 288276
 2016-11-30 21:53:32 +00:00
Kostya Serebryany 95b1a434d2 [libFuzzer] extend -print_coverage to also print uncovered lines, functions, and files. 
Example of output:
COVERAGE:
COVERED: in DSO2(int) /pathto/DSO2.cpp:6
COVERED: in DSO2(int) /pathto/DSO2.cpp:8
COVERED: in DSO1(int) /pathto/DSO1.cpp:6
COVERED: in DSO1(int) /pathto/DSO1.cpp:8
COVERED: in LLVMFuzzerTestOneInput /pathto/DSOTestMain.cpp:16
COVERED: in LLVMFuzzerTestOneInput /pathto/DSOTestMain.cpp:19
COVERED: in LLVMFuzzerTestOneInput /pathto/DSOTestMain.cpp:25
COVERED: in LLVMFuzzerTestOneInput /pathto/DSOTestMain.cpp:26
MODULE_WITH_COVERAGE: /pathto/libLLVMFuzzer-DSO1.so
UNCOVERED_LINE: in DSO1(int) /pathto/DSO1.cpp:9
UNCOVERED_FUNC: in Uncovered1()
MODULE_WITH_COVERAGE: /pathto/libLLVMFuzzer-DSO2.so
UNCOVERED_LINE: in DSO2(int) /pathto/DSO2.cpp:9
UNCOVERED_FUNC: in Uncovered2()
MODULE_WITH_COVERAGE: /pathto/LLVMFuzzer-DSOTest
UNCOVERED_LINE: in LLVMFuzzerTestOneInput /pathto/DSOTestMain.cpp:21
UNCOVERED_LINE: in LLVMFuzzerTestOneInput /pathto/DSOTestMain.cpp:27
UNCOVERED_FILE: /pathto/DSOTestExtra.cpp

Several things are not perfect here:
* we are using objdump+awk instead of sancov because sancov does not support DSOs yet.
* this breaks in the presence of ASAN_OPTIONS=strip_path_prefix=...
  (need to implement another API to get the module name by PC)

llvm-svn: 284554
 2016-10-19 00:12:03 +00:00
Kostya Serebryany 7abb95d3b3 [libFuzzer] make a test less flaky 
llvm-svn: 283686
 2016-10-09 03:45:38 +00:00
Kostya Serebryany b706b481ba [libFuzzer] add -print_coverage=1 flag to print coverage directly from libFuzzer 
llvm-svn: 281866
 2016-09-18 21:47:08 +00:00