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| author | Kostya Serebryany <kcc@google.com> | 2017-07-20 01:35:17 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2017-07-20 01:35:17 +0000 |
| commit | e55828c7403d038dedae640bd63f23f1f91ffac1 (patch) | |
| tree | 96f22dc969ce124308d58a1b0cc342f67970d736 /llvm/lib/Fuzzer/FuzzerTracePC.cpp | |
| parent | c20b3383b78473fdfb958ebfe15227bded79ba78 (diff) | |
| download | bcm5719-llvm-e55828c7403d038dedae640bd63f23f1f91ffac1.tar.gz bcm5719-llvm-e55828c7403d038dedae640bd63f23f1f91ffac1.zip | |
[libFuzzer] prototype implementation of recursion-depth coverage features (commented out; real implementation needs to use inlined instrumentation)
llvm-svn: 308577
Diffstat (limited to 'llvm/lib/Fuzzer/FuzzerTracePC.cpp')
| -rw-r--r-- | llvm/lib/Fuzzer/FuzzerTracePC.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerTracePC.cpp b/llvm/lib/Fuzzer/FuzzerTracePC.cpp index ced0a213334..07be441244c 100644 --- a/llvm/lib/Fuzzer/FuzzerTracePC.cpp +++ b/llvm/lib/Fuzzer/FuzzerTracePC.cpp @@ -319,6 +319,8 @@ void __sanitizer_cov_trace_pc_guard(uint32_t *Guard) { uint32_t Idx = *Guard; __sancov_trace_pc_pcs[Idx] = PC; __sancov_trace_pc_guard_8bit_counters[Idx]++; + // Uncomment the following line to get stack-depth profiling. + // fuzzer::TPC.RecordCurrentStack(); } // Best-effort support for -fsanitize-coverage=trace-pc, which is available |
