diff options
Diffstat (limited to 'gcc_plugin')
| -rw-r--r-- | gcc_plugin/Makefile | 6 | ||||
| -rw-r--r-- | gcc_plugin/afl-gcc-fast.c | 22 |
2 files changed, 24 insertions, 4 deletions
diff --git a/gcc_plugin/Makefile b/gcc_plugin/Makefile index 1ee18b82..98ddffd4 100644 --- a/gcc_plugin/Makefile +++ b/gcc_plugin/Makefile @@ -24,9 +24,12 @@ PREFIX ?= /usr/local HELPER_PATH = $(PREFIX)/lib/afl BIN_PATH = $(PREFIX)/bin +VERSION = $(shell grep '^$(HASH)define VERSION ' ../config.h | cut -d '"' -f2) + CFLAGS ?= -O3 -g -funroll-loops CFLAGS += -Wall -I../include -D_FORTIFY_SOURCE=2 -Wno-pointer-sign \ -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \ + -DGCC_VERSION=\"$(GCCVER)\" -DGCC_BINDIR=\"$(GCCBINDIR)\" \ CXXFLAGS ?= -O3 -g -funroll-loops CXXEFLAGS := $(CXXFLAGS) -Wall -D_FORTIFY_SOURCE=2 @@ -37,6 +40,9 @@ CXX ?= g++ PLUGIN_FLAGS = -fPIC -fno-rtti -I"$(shell $(CC) -print-file-name=plugin)/include" HASH=\# +GCCVER = $(shell $(CC) --version 2>/dev/null | awk 'NR == 1 {print $$NF}') +GCCBINDIR = $(shell dirname `which $(CC)` 2>/dev/null ) + ifeq "$(shell echo '$(HASH)include <sys/ipc.h>@$(HASH)include <sys/shm.h>@int main() { int _id = shmget(IPC_PRIVATE, 65536, IPC_CREAT | IPC_EXCL | 0600); shmctl(_id, IPC_RMID, 0); return 0;}' | tr @ '\n' | $(CC) -x c - -o .test2 2>/dev/null && echo 1 || echo 0 ; rm -f .test2 )" "1" SHMAT_OK=1 else 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); |