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Diffstat (limited to 'gcc_plugin/Makefile')
| -rw-r--r-- | gcc_plugin/Makefile | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/gcc_plugin/Makefile b/gcc_plugin/Makefile new file mode 100644 index 00000000..287b6545 --- /dev/null +++ b/gcc_plugin/Makefile @@ -0,0 +1,130 @@ +# +# 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. +# +# 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 = $(PREFIX)/bin + +CFLAGS ?= -O3 -g -funroll-loops +CFLAGS += -Wall -D_FORTIFY_SOURCE=2 -Wno-pointer-sign \ + -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \ + +CXXFLAGS ?= -O3 -g -funroll-loops +CXXEFLAGS := $(CXXFLAGS) -Wall -D_FORTIFY_SOURCE=2 + +CC ?= gcc +CXX ?= g++ + +PLUGIN_FLAGS = -fPIC -fno-rtti -I"$(shell $(CC) -print-file-name=plugin)/include" + +ifeq "$(shell echo '\#include <sys/ipc.h>@\#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' | $(CC) -x c - -o .test2 2>/dev/null && echo 1 || echo 0 )" "1" + SHMAT_OK=1 +else + SHMAT_OK=0 + CFLAGS+=-DUSEMMAP=1 + LDFLAGS += -lrt +endif + +ifeq "$(TEST_MMAP)" "1" + SHMAT_OK=0 + CFLAGS+=-DUSEMMAP=1 + LDFLAGS += -lrt +endif + +PROGS = ../afl-gcc-fast ../afl-gcc-pass.so ../afl-gcc-rt.o + + +all: test_shm test_deps $(PROGS) afl-gcc-fast.8 test_build all_done + +ifeq "$(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 + + +test_deps: + @echo "[*] Checking for working '$(CC)'..." + @which $(CC) >/dev/null 2>&1 || ( echo "[-] Oops, can't find '$(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-gcc-fast: afl-gcc-fast.c | test_deps + $(CC) $(CFLAGS) $< -o $@ $(LDFLAGS) + ln -sf afl-gcc-fast ../afl-g++-fast + +../afl-gcc-pass.so: afl-gcc-pass.so.cc | test_deps + $(CXX) $(CXXEFLAGS) $(PLUGIN_FLAGS) -shared $< -o $@ + +../afl-gcc-rt.o: afl-gcc-rt.o.c | test_deps + $(CC) $(CFLAGS) -fPIC -c $< -o $@ + +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) ../test-instr.c -o test-instr $(LDFLAGS) +# unset AFL_USE_ASAN AFL_USE_MSAN; AFL_INST_RATIO=100 AFL_PATH=. AFL_CC=$(CC) ../afl-gcc-fast $(CFLAGS) ../test-instr.c -o test-instr $(LDFLAGS) + ../afl-showmap -m none -q -o .test-instr0 ./test-instr </dev/null + echo 1 | ../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/vanhauser-thc/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi + @echo "[+] All right, the instrumentation seems to be working!" + +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 >> ../$@ + @echo "afl++ was written by Michal \"lcamtuf\" Zalewski and is maintained by Marc \"van Hauser\" Heuse <mh@mh-sec.de>, Heiko \"hexcoder-\" Eissfeldt <heiko.eissfeldt@hexco.de> and Andrea Fioraldi <andreafioraldi@gmail.com>" >> ../$@ + @echo The homepage of afl++ is: https://github.com/vanhauser-thc/AFLplusplus >> ../$@ + @echo >> ../$@ + @echo .SH LICENSE >> ../$@ + @echo Apache License Version 2.0, January 2004 >> ../$@ + ln -sf afl-gcc-fast.8 ../afl-g++-fast.8 + +clean: + rm -f *.o *.so *~ a.out core core.[1-9][0-9]* test-instr .test-instr0 .test-instr1 + rm -f $(PROGS) ../afl-g++-fast ../afl-g*-fast.8 |