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| -rw-r--r-- | clang/docs/SanitizerCoverage.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/docs/SanitizerCoverage.rst b/clang/docs/SanitizerCoverage.rst index f8ac1dc2df9..e759b351c1b 100644 --- a/clang/docs/SanitizerCoverage.rst +++ b/clang/docs/SanitizerCoverage.rst @@ -249,6 +249,13 @@ These counters may also be used for in-process coverage-guided fuzzers. See uintptr_t __sanitizer_update_counter_bitset_and_clear_counters(uint8_t *bitset); +Tracing basic blocks +==================== +An *experimental* feature to support basic block (or edge) tracing. +With ``-fsanitize-coverage=trace-bb`` the compiler will insert +``__sanitizer_cov_trace_basic_block(s32 *id)`` before every function, basic block, or edge +(depending on the value of ``-fsanitize-coverage=[func,bb,edge]``). + Tracing data flow ================= |
