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Diffstat (limited to 'GNUmakefile.gcc_plugin')
| -rw-r--r-- | GNUmakefile.gcc_plugin | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/GNUmakefile.gcc_plugin b/GNUmakefile.gcc_plugin new file mode 100644 index 00000000..aeb1ef16 --- /dev/null +++ b/GNUmakefile.gcc_plugin @@ -0,0 +1,167 @@ +# +# 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 +# + +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 := $(CXXFLAGS) -Wall + +CC ?= gcc +CXX ?= g++ + +ifeq "clang" "$(CC)" + CC = gcc + CXX = g++ +endif + +ifeq "clang++" "$(CXX)" + CC = gcc + CXX = g++ +endif + +PLUGIN_FLAGS = -fPIC -fno-rtti -I"$(shell $(CC) -print-file-name=plugin)/include" +HASH=\# + +GCCVER = $(shell $(CC) --version 2>/dev/null | awk 'NR == 1 {print $$NF}') +GCCBINDIR = $(shell dirname `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 += -DUSEMMAP=1 +endif + +ifeq "$(TEST_MMAP)" "1" + SHMAT_OK=0 + override CFLAGS += -DUSEMMAP=1 +endif + +ifneq "$(shell uname -s)" "Haiku" + LDFLAGS += -lrt +else + CFLAGS_SAFE += -DUSEMMAP=1 +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)'..." + @type $(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; 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 [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi + @echo "[+] All right, the instrumentation seems to be working!" + +.PHONY: all_done +all_done: test_build + @echo "[+] All done! You can now use './afl-gcc-fast' to compile programs." + +.NOTPARALLEL: clean + +vpath % .. +%.8: % + @echo .TH $* 8 `date "+%Y-%m-%d"` "afl++" > ./$@ + @echo .SH NAME >> ./$@ + @echo .B $* >> ./$@ + @echo >> ./$@ + @echo .SH SYNOPSIS >> ./$@ + @./$* -h 2>&1 | head -n 3 | tail -n 1 | sed 's/^\.\///' >> ./$@ + @echo >> ./$@ + @echo .SH OPTIONS >> ./$@ + @echo .nf >> ./$@ + @./$* -h 2>&1 | tail -n +4 >> ./$@ + @echo >> ./$@ + @echo .SH AUTHOR >> ./$@ + @echo "afl++ was written by Michal \"lcamtuf\" Zalewski and is maintained by Marc \"van Hauser\" Heuse <mh@mh-sec.de>, Heiko \"hexcoder-\" Eissfeldt <heiko.eissfeldt@hexco.de>, Andrea Fioraldi <andreafioraldi@gmail.com> and Dominik Maier <domenukk@gmail.com>" >> ./$@ + @echo The homepage of afl++ is: https://github.com/AFLplusplus/AFLplusplus >> ./$@ + @echo >> ./$@ + @echo .SH LICENSE >> ./$@ + @echo Apache License Version 2.0, January 2004 >> ./$@ + ln -sf afl-cc.8 ./afl-g++-fast.8 + +.PHONY: install +install: all + ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-gcc-fast + ln -sf afl-c++ $${DESTDIR}$(BIN_PATH)/afl-g++-fast + install -m 755 ./afl-gcc-pass.so $${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 |