1# ################################################################ 2# Copyright (c) 2016-present, Facebook, Inc. 3# All rights reserved. 4# 5# This source code is licensed under both the BSD-style license (found in the 6# LICENSE file in the root directory of this source tree) and the GPLv2 (found 7# in the COPYING file in the root directory of this source tree). 8# ################################################################ 9 10# Optionally user defined flags 11CFLAGS ?= -O3 12CXXFLAGS ?= -O3 13CPPFLAGS ?= 14LDFLAGS ?= 15ARFLAGS ?= 16LIB_FUZZING_ENGINE ?= libregression.a 17PYTHON ?= python 18ifeq ($(shell uname), Darwin) 19 DOWNLOAD?=curl -L -o 20else 21 DOWNLOAD?=wget -O 22endif 23CORPORA_URL_PREFIX:=https://github.com/facebook/zstd/releases/download/fuzz-corpora/ 24 25ZSTDDIR = ../../lib 26PRGDIR = ../../programs 27 28FUZZ_CPPFLAGS := -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress \ 29 -I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(ZSTDDIR)/legacy \ 30 -I$(PRGDIR) -DZSTD_MULTITHREAD -DZSTD_LEGACY_SUPPORT=1 $(CPPFLAGS) 31FUZZ_EXTRA_FLAGS := -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \ 32 -Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \ 33 -Wstrict-prototypes -Wundef \ 34 -Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \ 35 -Wredundant-decls \ 36 -g -fno-omit-frame-pointer 37FUZZ_CFLAGS := $(FUZZ_EXTRA_FLAGS) $(CFLAGS) 38FUZZ_CXXFLAGS := $(FUZZ_EXTRA_FLAGS) -std=c++11 $(CXXFLAGS) 39FUZZ_LDFLAGS := -pthread $(LDFLAGS) 40FUZZ_ARFLAGS := $(ARFLAGS) 41FUZZ_TARGET_FLAGS = $(FUZZ_CPPFLAGS) $(FUZZ_CXXFLAGS) $(FUZZ_LDFLAGS) 42 43FUZZ_HEADERS := fuzz_helpers.h fuzz.h zstd_helpers.h 44FUZZ_SRC := $(PRGDIR)/util.c zstd_helpers.c 45 46ZSTDCOMMON_SRC := $(ZSTDDIR)/common/*.c 47ZSTDCOMP_SRC := $(ZSTDDIR)/compress/*.c 48ZSTDDECOMP_SRC := $(ZSTDDIR)/decompress/*.c 49ZSTDDICT_SRC := $(ZSTDDIR)/dictBuilder/*.c 50ZSTDLEGACY_SRC := $(ZSTDDIR)/legacy/*.c 51FUZZ_SRC := \ 52 $(FUZZ_SRC) \ 53 $(ZSTDDECOMP_SRC) \ 54 $(ZSTDCOMMON_SRC) \ 55 $(ZSTDCOMP_SRC) \ 56 $(ZSTDDICT_SRC) \ 57 $(ZSTDLEGACY_SRC) 58 59FUZZ_OBJ := $(patsubst %.c,%.o, $(wildcard $(FUZZ_SRC))) 60 61 62.PHONY: default all clean cleanall 63 64default: all 65 66FUZZ_TARGETS := \ 67 simple_round_trip \ 68 stream_round_trip \ 69 block_round_trip \ 70 simple_decompress \ 71 stream_decompress \ 72 block_decompress \ 73 dictionary_round_trip \ 74 dictionary_decompress \ 75 zstd_frame_info \ 76 simple_compress 77 78all: $(FUZZ_TARGETS) 79 80%.o: %.c 81 $(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $^ -c -o $@ 82 83simple_round_trip: $(FUZZ_HEADERS) $(FUZZ_OBJ) simple_round_trip.o 84 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) simple_round_trip.o $(LIB_FUZZING_ENGINE) -o $@ 85 86stream_round_trip: $(FUZZ_HEADERS) $(FUZZ_OBJ) stream_round_trip.o 87 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) stream_round_trip.o $(LIB_FUZZING_ENGINE) -o $@ 88 89block_round_trip: $(FUZZ_HEADERS) $(FUZZ_OBJ) block_round_trip.o 90 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) block_round_trip.o $(LIB_FUZZING_ENGINE) -o $@ 91 92simple_decompress: $(FUZZ_HEADERS) $(FUZZ_OBJ) simple_decompress.o 93 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) simple_decompress.o $(LIB_FUZZING_ENGINE) -o $@ 94 95stream_decompress: $(FUZZ_HEADERS) $(FUZZ_OBJ) stream_decompress.o 96 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) stream_decompress.o $(LIB_FUZZING_ENGINE) -o $@ 97 98block_decompress: $(FUZZ_HEADERS) $(FUZZ_OBJ) block_decompress.o 99 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) block_decompress.o $(LIB_FUZZING_ENGINE) -o $@ 100 101dictionary_round_trip: $(FUZZ_HEADERS) $(FUZZ_OBJ) dictionary_round_trip.o 102 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) dictionary_round_trip.o $(LIB_FUZZING_ENGINE) -o $@ 103 104dictionary_decompress: $(FUZZ_HEADERS) $(FUZZ_OBJ) dictionary_decompress.o 105 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) dictionary_decompress.o $(LIB_FUZZING_ENGINE) -o $@ 106 107simple_compress: $(FUZZ_HEADERS) $(FUZZ_OBJ) simple_compress.o 108 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) simple_compress.o $(LIB_FUZZING_ENGINE) -o $@ 109 110zstd_frame_info: $(FUZZ_HEADERS) $(FUZZ_OBJ) zstd_frame_info.o 111 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) zstd_frame_info.o $(LIB_FUZZING_ENGINE) -o $@ 112 113libregression.a: $(FUZZ_HEADERS) $(PRGDIR)/util.h $(PRGDIR)/util.c regression_driver.o 114 $(AR) $(FUZZ_ARFLAGS) $@ regression_driver.o 115 116# Install libfuzzer (not usable for MSAN testing) 117# Provided for convenience. To use this library run make libFuzzer and 118# set LDFLAGS=-L. 119.PHONY: libFuzzer 120libFuzzer: 121 @$(RM) -rf Fuzzer 122 @git clone https://chromium.googlesource.com/chromium/llvm-project/compiler-rt/lib/fuzzer Fuzzer 123 @cd Fuzzer && ./build.sh 124 125corpora/%_seed_corpus.zip: 126 @mkdir -p corpora 127 $(DOWNLOAD) $@ $(CORPORA_URL_PREFIX)$*_seed_corpus.zip 128 129corpora/%: corpora/%_seed_corpus.zip 130 unzip -q $^ -d $@ 131 132.PHONY: corpora 133corpora: $(patsubst %,corpora/%,$(FUZZ_TARGETS)) 134 135.PHONY: seedcorpora 136seedcorpora: $(patsubst %,corpora/%_seed_corpus.zip,$(FUZZ_TARGETS)) 137 138regressiontest: corpora 139 CC="$(CC)" CXX="$(CXX)" CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)" LDFLAGS="$(LDFLAGS)" $(PYTHON) ./fuzz.py build all 140 $(PYTHON) ./fuzz.py regression all 141 142clean: 143 @$(MAKE) -C $(ZSTDDIR) clean 144 @$(RM) *.a *.o 145 @$(RM) simple_round_trip stream_round_trip simple_decompress \ 146 stream_decompress block_decompress block_round_trip \ 147 simple_compress dictionary_round_trip dictionary_decompress \ 148 zstd_frame_info 149 150cleanall: 151 @$(RM) -r Fuzzer 152 @$(RM) -r corpora 153