diff options
Diffstat (limited to 'llvm_mode/afl-clang-fast.c')
| -rw-r--r-- | llvm_mode/afl-clang-fast.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm_mode/afl-clang-fast.c b/llvm_mode/afl-clang-fast.c index 3de5fd7d..c59b814d 100644 --- a/llvm_mode/afl-clang-fast.c +++ b/llvm_mode/afl-clang-fast.c @@ -562,6 +562,11 @@ int main(int argc, char **argv, char **envp) { instrument_mode = INSTRUMENT_PCGUARD; #endif + if (getenv("AFL_LLVM_SKIP_NEVERZERO") && getenv("AFL_LLVM_NOT_ZERO")) + FATAL( + "AFL_LLVM_NOT_ZERO and AFL_LLVM_SKIP_NEVERZERO can not be set " + "together"); + if ((ptr = getenv("AFL_LLVM_INSTRUMENT")) != NULL) { if (strncasecmp(ptr, "default", strlen("default")) == 0 || @@ -726,6 +731,7 @@ int main(int argc, char **argv, char **envp) { "AFL_HARDEN: adds code hardening to catch memory bugs\n" "AFL_INST_RATIO: percentage of branches to instrument\n" "AFL_LLVM_NOT_ZERO: use cycling trace counters that skip zero\n" + "AFL_LLVM_SKIP_NEVERZERO: do not skip zero on trace counters\n" "AFL_LLVM_LAF_SPLIT_COMPARES: enable cascaded comparisons\n" "AFL_LLVM_LAF_SPLIT_FLOATS: transform floating point comp. to " "cascaded " |