diff options
| author | Christian Holler (:decoder) <choller@mozilla.com> | 2024-01-26 15:46:56 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-26 14:46:56 +0000 |
| commit | 58b80b68bc5538bad2cf4c858229111f58282424 (patch) | |
| tree | a08a3e016574cc5901a66b0797fde3ff8fc1146c /src/afl-cc.c | |
| parent | 2f9eeef60cdd4ad43f8066af78009acd660a426c (diff) | |
| download | afl++-58b80b68bc5538bad2cf4c858229111f58282424.tar.gz | |
Dynamic instrumentation filtering for LLVM native (#1971)
* Add two dynamic instrumentation filter methods to runtime * Always use pc-table with native pcguard * Add make_symbol_list.py and README
Diffstat (limited to 'src/afl-cc.c')
| -rw-r--r-- | src/afl-cc.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/src/afl-cc.c b/src/afl-cc.c index 6d8e1024..73487188 100644 --- a/src/afl-cc.c +++ b/src/afl-cc.c @@ -1920,35 +1920,27 @@ void add_native_pcguard(aflcc_state_t *aflcc) { /* If llvm-config doesn't figure out LLVM_MAJOR, just go on anyway and let compiler complain if doesn't work. */ - if (aflcc->instrument_opt_mode & INSTRUMENT_OPT_CODECOV) { - #if LLVM_MAJOR > 0 && LLVM_MAJOR < 6 - FATAL("pcguard instrumentation with pc-table requires LLVM 6.0.1+"); + FATAL("pcguard instrumentation with pc-table requires LLVM 6.0.1+"); #else #if LLVM_MAJOR == 0 - WARNF( - "pcguard instrumentation with pc-table requires LLVM 6.0.1+" - " otherwise the compiler will fail"); + WARNF( + "pcguard instrumentation with pc-table requires LLVM 6.0.1+" + " otherwise the compiler will fail"); #endif + if (aflcc->instrument_opt_mode & INSTRUMENT_OPT_CODECOV) { + insert_param(aflcc, "-fsanitize-coverage=trace-pc-guard,bb,no-prune,pc-table"); -#endif } else { -#if LLVM_MAJOR > 0 && LLVM_MAJOR < 4 - FATAL("pcguard instrumentation requires LLVM 4.0.1+"); -#else - #if LLVM_MAJOR == 0 - WARNF( - "pcguard instrumentation requires LLVM 4.0.1+" - " otherwise the compiler will fail"); - #endif - insert_param(aflcc, "-fsanitize-coverage=trace-pc-guard"); -#endif + insert_param(aflcc, "-fsanitize-coverage=trace-pc-guard,pc-table"); } +#endif + } void add_optimized_pcguard(aflcc_state_t *aflcc) { |