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| author | Kostya Serebryany <kcc@google.com> | 2016-01-12 16:50:18 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2016-01-12 16:50:18 +0000 |
| commit | 4b83a4f6fe8f8d921e8a94f8d46a972348ddc415 (patch) | |
| tree | 1bda2f72542a67eb18296e2f7321f2c2db8ec252 | |
| parent | 71e550fefbf0e5200ebfc201a9accd4d0ca78d3d (diff) | |
| download | bcm5719-llvm-4b83a4f6fe8f8d921e8a94f8d46a972348ddc415.tar.gz bcm5719-llvm-4b83a4f6fe8f8d921e8a94f8d46a972348ddc415.zip | |
[libFuzzer] add a macro LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS
llvm-svn: 257482
| -rw-r--r-- | llvm/lib/Fuzzer/FuzzerTraceState.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerTraceState.cpp b/llvm/lib/Fuzzer/FuzzerTraceState.cpp index 00f1ebd0619..b2006fa3aa4 100644 --- a/llvm/lib/Fuzzer/FuzzerTraceState.cpp +++ b/llvm/lib/Fuzzer/FuzzerTraceState.cpp @@ -542,6 +542,12 @@ void dfsan_weak_hook_strcmp(void *caller_pc, const char *s1, const char *s2, reinterpret_cast<const uint8_t *>(s2), L1, L2); } +// We may need to avoid defining weak hooks to stay compatible with older clang. +#ifndef LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS +# define LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS 1 +#endif + +#if LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS void __sanitizer_weak_hook_memcmp(void *caller_pc, const void *s1, const void *s2, size_t n, int result) { if (!TS) return; @@ -576,6 +582,8 @@ void __sanitizer_weak_hook_strcmp(void *caller_pc, const char *s1, reinterpret_cast<const uint8_t *>(s2)); } +#endif // LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS + __attribute__((visibility("default"))) void __sanitizer_cov_trace_cmp(uint64_t SizeAndType, uint64_t Arg1, uint64_t Arg2) { |
