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author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2017-07-27 23:22:37 +0000 |
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committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2017-07-27 23:22:37 +0000 |
commit | bc1f9b219edc906f664dd16a6f3a7a7b51faad78 (patch) | |
tree | 0a07d0d9661662ff3786bc08285a62dac12495c8 /test/asan/TestCases/Posix | |
parent | 3d7f9b6425d5fed1fd084e5317ad5982201bf85d (diff) |
[sancov] Implement __sanitizer_cov_reset.
Summary: Clears all collected coverage.
Reviewers: kcc
Subscribers: srhines, kubamracek, llvm-commits
Differential Revision: https://reviews.llvm.org/D35958
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@309333 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/asan/TestCases/Posix')
-rw-r--r-- | test/asan/TestCases/Posix/coverage-reset.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/asan/TestCases/Posix/coverage-reset.cc b/test/asan/TestCases/Posix/coverage-reset.cc new file mode 100644 index 000000000..e9639b34d --- /dev/null +++ b/test/asan/TestCases/Posix/coverage-reset.cc @@ -0,0 +1,65 @@ +// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard -DSHARED %s -shared -o %dynamiclib -fPIC %ld_flags_rpath_so +// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %ld_flags_rpath_exe -o %t +// RUN: rm -rf %T/coverage-reset && mkdir -p %T/coverage-reset && cd %T/coverage-reset +// RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s +// +// UNSUPPORTED: ios + +#include <stdio.h> + +#include <sanitizer/coverage_interface.h> + +#ifdef SHARED +void bar1() { printf("bar1\n"); } +void bar2() { printf("bar2\n"); } +#else +__attribute__((noinline)) void foo1() { printf("foo1\n"); } +__attribute__((noinline)) void foo2() { printf("foo2\n"); } +void bar1(); +void bar2(); + +int main(int argc, char **argv) { + fprintf(stderr, "RESET"); + __sanitizer_cov_reset(); + foo1(); + foo2(); + bar1(); + bar2(); + __sanitizer_cov_dump(); +// CHECK: RESET +// CHECK: SanitizerCoverage: ./coverage-reset.cc{{.*}}.sancov: 2 PCs written +// CHECK: SanitizerCoverage: ./libcoverage-reset.cc{{.*}}.sancov: 2 PCs written + + fprintf(stderr, "RESET"); + __sanitizer_cov_reset(); + foo1(); + bar1(); + __sanitizer_cov_dump(); +// CHECK: RESET +// CHECK: SanitizerCoverage: ./coverage-reset.cc{{.*}}.sancov: 1 PCs written +// CHECK: SanitizerCoverage: ./libcoverage-reset.cc{{.*}}.sancov: 1 PCs written + + fprintf(stderr, "RESET"); + __sanitizer_cov_reset(); + foo1(); + foo2(); + __sanitizer_cov_dump(); +// CHECK: RESET +// CHECK: SanitizerCoverage: ./coverage-reset.cc{{.*}}.sancov: 2 PCs written + + fprintf(stderr, "RESET"); + __sanitizer_cov_reset(); + bar1(); + bar2(); + __sanitizer_cov_dump(); +// CHECK: RESET +// CHECK: SanitizerCoverage: ./libcoverage-reset.cc{{.*}}.sancov: 2 PCs written + + fprintf(stderr, "RESET"); + __sanitizer_cov_reset(); +// CHECK: RESET + + bar2(); +// CHECK: SanitizerCoverage: ./libcoverage-reset.cc{{.*}}.sancov: 1 PCs written +} +#endif |