| # |
| # american fuzzy lop++ - GCC plugin instrumentation |
| # ----------------------------------------------- |
| # |
| # Written by Austin Seipp <aseipp@pobox.com> and |
| # Laszlo Szekeres <lszekeres@google.com> and |
| # Michal Zalewski and |
| # Heiko Eißfeldt <heiko@hexco.de> |
| # |
| # GCC integration design is based on the LLVM design, which comes |
| # from Laszlo Szekeres. |
| # |
| # Copyright 2015 Google Inc. All rights reserved. |
| # Copyright 2019-2020 AFLplusplus Project. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at: |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| #TEST_MMAP=1 |
| PREFIX ?= /usr/local |
| HELPER_PATH ?= $(PREFIX)/lib/afl |
| BIN_PATH ?= $(PREFIX)/bin |
| DOC_PATH ?= $(PREFIX)/share/doc/afl |
| MAN_PATH ?= $(PREFIX)/share/man/man8 |
| |
| VERSION = $(shell grep '^$(HASH)define VERSION ' ./config.h | cut -d '"' -f2) |
| |
| CFLAGS ?= -O3 -g -funroll-loops -D_FORTIFY_SOURCE=2 |
| CFLAGS_SAFE := -Wall -Iinclude -Wno-pointer-sign \ |
| -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \ |
| -DGCC_VERSION=\"$(GCCVER)\" -DGCC_BINDIR=\"$(GCCBINDIR)\" \ |
| -Wno-unused-function |
| override CFLAGS += $(CFLAGS_SAFE) |
| |
| CXXFLAGS ?= -O3 -g -funroll-loops -D_FORTIFY_SOURCE=2 |
| CXXEFLAGS := $(CXXFLAGS) -Wall -std=c++11 |
| |
| CC ?= gcc |
| CXX ?= g++ |
| |
| ifeq "clang" "$(CC)" |
| CC = gcc |
| CXX = g++ |
| endif |
| |
| ifeq "clang++" "$(CXX)" |
| CC = gcc |
| CXX = g++ |
| endif |
| |
| ifeq "$(findstring Foundation,$(shell $(CC) --version))" "" |
| CC = gcc |
| CXX = g++ |
| endif |
| |
| PLUGIN_BASE = "$(shell $(CC) -print-file-name=plugin)" |
| PLUGIN_FLAGS = -fPIC -fno-rtti -I$(PLUGIN_BASE)/include -I$(PLUGIN_BASE) |
| HASH=\# |
| |
| GCCVER = $(shell $(CC) --version 2>/dev/null | awk 'NR == 1 {print $$NF}') |
| GCCBINDIR = $(shell dirname `command -v $(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 |
| SHMAT_OK=0 |
| override CFLAGS_SAFE += -DUSEMMAP=1 |
| endif |
| |
| ifeq "$(TEST_MMAP)" "1" |
| SHMAT_OK=0 |
| override CFLAGS_SAFE += -DUSEMMAP=1 |
| endif |
| |
| ifneq "$(shell uname -s)" "Haiku" |
| ifneq "$(shell uname -s)" "OpenBSD" |
| LDFLAGS += -lrt |
| endif |
| else |
| CFLAGS_SAFE += -DUSEMMAP=1 |
| endif |
| |
| ifeq "$(shell uname -s)" "OpenBSD" |
| CC = egcc |
| CXX = eg++ |
| PLUGIN_FLAGS += -I/usr/local/include |
| endif |
| |
| ifeq "$(shell uname -s)" "DragonFly" |
| PLUGIN_FLAGS += -I/usr/local/include |
| endif |
| |
| ifeq "$(shell uname -s)" "SunOS" |
| PLUGIN_FLAGS += -I/usr/include/gmp |
| endif |
| |
| |
| PROGS = ./afl-gcc-pass.so |
| |
| .PHONY: all |
| all: test_shm test_deps $(PROGS) test_build all_done |
| |
| .PHONY: test_shm |
| ifeq "$(SHMAT_OK)" "1" |
| test_shm: |
| @echo "[+] shmat seems to be working." |
| @rm -f .test2 |
| else |
| test_shm: |
| @echo "[-] shmat seems not to be working, switching to mmap implementation" |
| endif |
| |
| .PHONY: test_deps |
| test_deps: |
| @echo "[*] Checking for working '$(CC)'..." |
| @command -v $(CC) >/dev/null 2>&1 || ( echo "[-] Oops, can't find '$(CC)'. Make sure that it's in your \$$PATH (or set \$$CC and \$$CXX)."; exit 1 ) |
| # @echo "[*] Checking for gcc for plugin support..." |
| # @$(CC) -v 2>&1 | grep -q -- --enable-plugin || ( echo "[-] Oops, this gcc has not been configured with plugin support."; exit 1 ) |
| @echo "[*] Checking for gcc plugin development header files..." |
| @test -d `$(CC) -print-file-name=plugin`/include || ( echo "[-] Oops, can't find gcc header files. Be sure to install 'gcc-X-plugin-dev'."; exit 1 ) |
| @echo "[*] Checking for './afl-showmap'..." |
| @test -f ./afl-showmap || ( echo "[-] Oops, can't find './afl-showmap'. Be sure to compile AFL first."; exit 1 ) |
| @echo "[+] All set and ready to build." |
| |
| afl-common.o: ./src/afl-common.c |
| $(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@ $(LDFLAGS) |
| |
| ./afl-gcc-pass.so: instrumentation/afl-gcc-pass.so.cc | test_deps |
| $(CXX) $(CXXEFLAGS) $(PLUGIN_FLAGS) -shared $< -o $@ |
| ln -sf afl-cc afl-gcc-fast |
| ln -sf afl-cc afl-g++-fast |
| ln -sf afl-cc.8 afl-gcc-fast.8 |
| ln -sf afl-cc.8 afl-g++-fast.8 |
| |
| .PHONY: test_build |
| test_build: $(PROGS) |
| @echo "[*] Testing the CC wrapper and instrumentation output..." |
| unset AFL_USE_ASAN AFL_USE_MSAN; ASAN_OPTIONS=detect_leaks=0 AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. AFL_CC=$(CC) ./afl-gcc-fast $(CFLAGS) $(CPPFLAGS) ./test-instr.c -o test-instr $(LDFLAGS) |
| ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr </dev/null |
| echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr |
| @rm -f test-instr |
| @cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi |
| @echo "[+] All right, the instrumentation seems to be working!" |
| |
| .PHONY: all_done |
| all_done: test_build |
| @echo "[+] All done! You can now use './afl-gcc-fast' to compile programs." |
| |
| .NOTPARALLEL: clean |
| |
| %.8: % |
| @echo .TH $* 8 `date "+%Y-%m-%d"` "afl++" > ./$@ |
| @echo .SH NAME >> ./$@ |
| @echo .B $* >> ./$@ |
| @echo >> ./$@ |
| @echo .SH SYNOPSIS >> ./$@ |
| @./$* -h 2>&1 | head -n 3 | tail -n 1 | sed 's/^\.\///' >> ./$@ |
| @echo >> ./$@ |
| @echo .SH OPTIONS >> ./$@ |
| @echo .nf >> ./$@ |
| @./$* -h 2>&1 | tail -n +4 >> ./$@ |
| @echo >> ./$@ |
| @echo .SH AUTHOR >> ./$@ |
| @echo "afl++ was written by Michal \"lcamtuf\" Zalewski and is maintained by Marc \"van Hauser\" Heuse <mh@mh-sec.de>, Heiko \"hexcoder-\" Eissfeldt <heiko.eissfeldt@hexco.de>, Andrea Fioraldi <andreafioraldi@gmail.com> and Dominik Maier <domenukk@gmail.com>" >> ./$@ |
| @echo The homepage of afl++ is: https://github.com/AFLplusplus/AFLplusplus >> ./$@ |
| @echo >> ./$@ |
| @echo .SH LICENSE >> ./$@ |
| @echo Apache License Version 2.0, January 2004 >> ./$@ |
| ln -sf afl-cc.8 ./afl-g++-fast.8 |
| |
| .PHONY: install |
| install: all |
| ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-gcc-fast |
| ln -sf afl-c++ $${DESTDIR}$(BIN_PATH)/afl-g++-fast |
| ln -sf afl-compiler-rt.o $${DESTDIR}$(HELPER_PATH)/afl-gcc-rt.o |
| install -m 755 ./afl-gcc-pass.so $${DESTDIR}$(HELPER_PATH) |
| install -m 644 -T instrumentation/README.gcc_plugin.md $${DESTDIR}$(DOC_PATH)/README.gcc_plugin.md |
| |
| .PHONY: clean |
| clean: |
| rm -f *.o *.so *~ a.out core core.[1-9][0-9]* test-instr .test-instr0 .test-instr1 .test2 |
| rm -f $(PROGS) afl-common.o ./afl-g++-fast ./afl-g*-fast.8 instrumentation/*.o |
