diff options
Diffstat (limited to 'gcc_plugin/afl-gcc-fast.c')
| -rw-r--r-- | gcc_plugin/afl-gcc-fast.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/gcc_plugin/afl-gcc-fast.c b/gcc_plugin/afl-gcc-fast.c index b79e2c34..c939e803 100644 --- a/gcc_plugin/afl-gcc-fast.c +++ b/gcc_plugin/afl-gcc-fast.c @@ -323,10 +323,24 @@ int main(int argc, char** argv, char** envp) { "programs\n" "(similarly to the LLVM plugin used by afl-clang-fast).\n\n" - "You can specify custom next-stage toolchain via AFL_CC and AFL_CXX. " - "Setting\n" - "AFL_HARDEN enables hardening optimizations in the compiled code.\n\n", - BIN_PATH, BIN_PATH); + "Environment variables used:\n" + "AFL_CC: path to the C compiler to use\n" + "AFL_CXX: path to the C++ compiler to use\n" + "AFL_PATH: path to instrumenting pass and runtime (afl-gcc-rt.*o)\n" + "AFL_DONT_OPTIMIZE: disable optimization instead of -O3\n" + "AFL_NO_BUILTIN: compile for use with libtokencap.so\n" + "AFL_INST_RATIO: percentage of branches to instrument\n" + "AFL_QUIET: suppress verbose output\n" + "AFL_DEBUG: enable developer debugging output\n" + "AFL_HARDEN: adds code hardening to catch memory bugs\n" + "AFL_USE_ASAN: activate address sanitizer\n" + "AFL_USE_MSAN: activate memory sanitizer\n" + "AFL_USE_UBSAN: activate undefined behaviour sanitizer\n" + "AFL_GCC_WHITELIST: enable whitelisting (selective instrumentation)\n" + + "\nafl-gcc-fast was built for gcc %s with the gcc binary path of " + "\"%s\".\n\n" + , BIN_PATH, BIN_PATH, GCC_VERSION, GCC_BINDIR); exit(1); |