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| author | Max Moroz <mmoroz@chromium.org> | 2018-10-12 13:59:56 +0000 |
|---|---|---|
| committer | Max Moroz <mmoroz@chromium.org> | 2018-10-12 13:59:56 +0000 |
| commit | 98d2aa84a634a6e5f708c5f2ce8691d026c2125a (patch) | |
| tree | 9a9b70ff9a19536781db3015f4bfd2243c22c308 /test | |
| parent | 6804ce467d7e17216e38527f83ecaa8a571feee2 (diff) | |
[libFuzzer] Add test for SanitizerCoverage working on Mac even with -Wl,-dead_strip.
Summary:
The corresponding asncov change: https://reviews.llvm.org/D53113.
Bug: https://bugs.chromium.org/p/chromium/issues/detail?id=892167
Reviewers: morehouse, kcc, george.karpenkov
Reviewed By: morehouse, george.karpenkov
Subscribers: delcypher, #sanitizers, llvm-commits
Differential Revision: https://reviews.llvm.org/D53114
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@344346 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/fuzzer/dead-stripping.test | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/fuzzer/dead-stripping.test b/test/fuzzer/dead-stripping.test new file mode 100644 index 000000000..85445ea9f --- /dev/null +++ b/test/fuzzer/dead-stripping.test @@ -0,0 +1,23 @@ +REQUIRES: darwin + +No dead_strip. Unused code is not removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t +RUN: nm %t | grep UnusedFunctionShouldBeRemovedByLinker | count 1 +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +With dead_strip. Unused code is not removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t -ffunction-sections -Wl,-dead_strip +RUN: nm %t | grep UnusedFunctionShouldBeRemovedByLinker | count 1 +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +With dead_strip, with trace-pc. Unused code is removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t -ffunction-sections -fsanitize-coverage=0 -fsanitize-coverage=trace-pc -Wl,-dead_strip +RUN: nm %t | not grep UnusedFunctionShouldBeRemovedByLinker +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +With dead_strip, with pc-table. Unused code is not removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t -ffunction-sections -fsanitize-coverage=0 -fsanitize-coverage=trace-pc-guard,pc-table -Wl,-dead_strip +RUN: nm %t | grep UnusedFunctionShouldBeRemovedByLinker | count 1 +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +CHECK-NOT: ERROR: The size of coverage PC tables does not match |