diff options
Diffstat (limited to 'libfuzzer/dataflow/DataFlow.cpp')
| -rw-r--r-- | libfuzzer/dataflow/DataFlow.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libfuzzer/dataflow/DataFlow.cpp b/libfuzzer/dataflow/DataFlow.cpp index 8bf4e25..78b3f9a 100644 --- a/libfuzzer/dataflow/DataFlow.cpp +++ b/libfuzzer/dataflow/DataFlow.cpp @@ -17,9 +17,11 @@ // and also provides basic-block coverage for every input. // // Build: -// 1. Compile this file (DataFlow.cpp) with -fsanitize=dataflow and -O2. +// 1. Compile this file (DataFlow.cpp) with -fsanitize=dataflow -mllvm +// -dfsan-fast-16-labels and -O2. // 2. Compile DataFlowCallbacks.cpp with -O2 -fPIC. // 3. Build the fuzz target with -g -fsanitize=dataflow +// -mllvm -dfsan-fast-16-labels // -fsanitize-coverage=trace-pc-guard,pc-table,bb,trace-cmp // 4. Link those together with -fsanitize=dataflow // @@ -36,7 +38,7 @@ // Run: // # Collect data flow and coverage for INPUT_FILE // # write to OUTPUT_FILE (default: stdout) -// export DFSAN_OPTIONS=fast16labels=1:warn_unimplemented=0 +// export DFSAN_OPTIONS=warn_unimplemented=0 // ./a.out INPUT_FILE [OUTPUT_FILE] // // # Print all instrumented functions. llvm-symbolizer must be present in PATH |