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ctx+ngram for instrim

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This commit is contained in:
van Hauser
2020-05-05 15:37:02 +02:00
parent d82ada89fe
commit d6346561db
3 changed files with 236 additions and 49 deletions
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14
llvm_mode/afl-clang-fast.c
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@ -720,23 +720,17 @@ int main(int argc, char **argv, char **envp) {
"(requires LLVM 11)");
#endif
if (instrument_opt_mode && instrument_mode != INSTRUMENT_CLASSIC)
/*&& instrument_mode != INSTRUMENT_CFG*/
if (instrument_opt_mode && instrument_mode != INSTRUMENT_CLASSIC &&
instrument_mode != INSTRUMENT_CFG)
FATAL(
"CTX and NGRAM instrumentation options can only be used with the "
"CLASSIC instrumentation mode!");
"CTX and NGRAM instrumentation options can only be used with CFG "
"(recommended) and CLASSIC instrumentation modes!");
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 (instrument_mode == INSTRUMENT_CFG &&
getenv("AFL_LLVM_INSTRIM_SKIPSINGLEBLOCK") == NULL && ngram_size)
FATAL(
"NGRAM option together with CFG/INSTRIM instrumentation mode can only "
"be used if AFL_LLVM_INSTRIM_SKIPSINGLEBLOCK is set");
if (argc < 2 || strcmp(argv[1], "-h") == 0) {
if (instrument_mode != INSTRUMENT_LTO)