From e55828c7403d038dedae640bd63f23f1f91ffac1 Mon Sep 17 00:00:00 2001 From: Kostya Serebryany Date: Thu, 20 Jul 2017 01:35:17 +0000 Subject: [libFuzzer] prototype implementation of recursion-depth coverage features (commented out; real implementation needs to use inlined instrumentation) llvm-svn: 308577 --- llvm/lib/Fuzzer/FuzzerTracePC.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'llvm/lib/Fuzzer/FuzzerTracePC.cpp') 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 -- cgit v1.2.3