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better man page for afl-clang-*

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This commit is contained in:
van Hauser 2020-03-23 09:25:05 +01:00
parent 37603272be
commit 94e30002e7
2 changed files with 28 additions and 23 deletions
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2
llvm_mode/Makefile
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@ -359,7 +359,7 @@ vpath % ..
@echo Apache License Version 2.0, January 2004 >> ../$@
ln -sf afl-clang-fast.8 ../afl-clang-fast++.8
ifneq "$(AFL_CLANG_FLTO)" ""
ifeq "$(LLVM_LTO)" "0"
ifeq "$(LLVM_LTO)" "1"
ln -sf afl-clang-fast.8 ../afl-clang-lto.8
ln -sf afl-clang-fast.8 ../afl-clang-lto++.8
endif

25
llvm_mode/afl-clang-fast.c
View File

@ -611,8 +611,16 @@ int main(int argc, char **argv, char **envp) {
"AFL_LLVM_LAF_SPLIT_COMPARES_BITW: size limit (default 8)\n",
callname, BIN_PATH, BIN_PATH);
if (strcmp(callname, "afl-clang-lto") == 0)
SAYF(
"\nafl-clang-fast specific environment variables:\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");
#ifdef AFL_CLANG_FLTO
SAYF(
"\nafl-clang-lto specific environment variables:\n"
"AFL_LLVM_LTO_STARTID: from which ID to start counting from for a "
"bb\n"
"AFL_LLVM_LTO_DONTWRITEID: don't write the highest ID used to a "
@ -620,16 +628,13 @@ int main(int argc, char **argv, char **envp) {
"AFL_REAL_LD: use this linker instead of the compiled in path\n"
"AFL_LD_PASSTHROUGH: do not perform instrumentation (for configure "
"scripts)\n"
"\nafl-clang-lto was built for llvm %s with the llvm binary path "
"of \"%s\"; linker target \"%s\" and LTO flags \"%s\"\n"
"If anything fails - be sure to read README.lto.md!\n\n",
LLVM_VERSION, LLVM_BINDIR, AFL_REAL_LD, AFL_CLANG_FLTO);
else
"\nafl-clang-lto was built with linker target \"%s\" and LTO flags "
"\"%s\"\n"
"If anything fails - be sure to read README.lto.md!\n",
AFL_REAL_LD, AFL_CLANG_FLTO);
#endif
SAYF(
"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 \"%s\".\n",
LLVM_VERSION, LLVM_BINDIR);