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added llvm_mode ngram coverage

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This commit is contained in:
van Hauser
2020-03-20 17:10:44 +01:00
parent f21ff8bac8
commit 5a74cffa0f
10 changed files with 186 additions and 41 deletions
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11
llvm_mode/afl-clang-fast.c
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@ -158,14 +158,20 @@ static void edit_params(u32 argc, char **argv) {
#endif
if (lto_flag[0] != '-')
FATAL(
"afl-clang-lto not possible because Makefile magic did not identify "
"the correct -flto flag");
"Using afl-clang-lto is not possible because Makefile magic did not "
"identify the correct -flto flag");
if (getenv("AFL_LLVM_INSTRIM") != NULL)
FATAL("afl-clang-lto does not work with InsTrim mode");
if (getenv("AFL_LLVM_NGRAM_SIZE") != NULL)
FATAL("afl-clang-lto does not work with ngram coverage mode");
lto_mode = 1;
}
if (getenv("AFL_LLVM_NGRAM_SIZE") != NULL &&
getenv("AFL_LLVM_INSTRIM") != NULL)
FATAL("AFL_LLVM_NGRAM_SIZE and AFL_LLVM_INSTRIM can not be used together");
if (!strcmp(name, "afl-clang-fast++") || !strcmp(name, "afl-clang-lto++")) {
u8 *alt_cxx = getenv("AFL_CXX");
@ -605,6 +611,7 @@ int main(int argc, char **argv, char **envp) {
"AFL_LLVM_LAF_SPLIT_COMPARES_BITW: size limit (default 8)\n"
"AFL_LLVM_INSTRIM: use light weight instrumentation InsTrim\n"
"AFL_LLVM_INSTRIM_LOOPHEAD: optimize loop tracing for speed\n"
"AFL_LLVM_NGRAM_SIZE: use ngram prev_loc coverage\n"
"AFL_LLVM_CMPLOG: log operands of comparisons (RedQueen mutator)\n"
"\nafl-clang-fast was built for llvm %s with the llvm binary path "
"of "