1 # ################################################################
2 # Copyright (c) 2016-present, Facebook, Inc.
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 # ################################################################
10 # Optionally user defined flags
16 LIB_FUZZING_ENGINE ?= libregression.a
18 ifeq ($(shell uname), Darwin)
23 CORPORA_URL_PREFIX:=https://github.com/facebook/zstd/releases/download/fuzz-corpora/
26 PRGDIR = ../../programs
28 FUZZ_CPPFLAGS := -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress \
29 -I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(PRGDIR) \
31 FUZZ_EXTRA_FLAGS := -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
32 -Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
33 -Wstrict-prototypes -Wundef -Wformat-security \
34 -Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
36 -g -fno-omit-frame-pointer
37 FUZZ_CFLAGS := $(FUZZ_EXTRA_FLAGS) $(CFLAGS)
38 FUZZ_CXXFLAGS := $(FUZZ_EXTRA_FLAGS) -std=c++11 $(CXXFLAGS)
39 FUZZ_LDFLAGS := $(LDFLAGS)
40 FUZZ_ARFLAGS := $(ARFLAGS)
41 FUZZ_TARGET_FLAGS = $(FUZZ_CPPFLAGS) $(FUZZ_CXXFLAGS) $(FUZZ_LDFLAGS)
43 FUZZ_HEADERS := fuzz_helpers.h fuzz.h zstd_helpers.h
44 FUZZ_SRC := zstd_helpers.c
46 ZSTDCOMMON_SRC := $(ZSTDDIR)/common/*.c
47 ZSTDCOMP_SRC := $(ZSTDDIR)/compress/*.c
48 ZSTDDECOMP_SRC := $(ZSTDDIR)/decompress/*.c
55 FUZZ_OBJ := $(patsubst %.c,%.o, $(wildcard $(FUZZ_SRC)))
58 .PHONY: default all clean cleanall
73 $(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $^ -c -o $@
75 simple_round_trip: $(FUZZ_HEADERS) $(FUZZ_OBJ) simple_round_trip.o
76 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) simple_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
78 stream_round_trip: $(FUZZ_HEADERS) $(FUZZ_OBJ) stream_round_trip.o
79 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) stream_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
81 block_round_trip: $(FUZZ_HEADERS) $(FUZZ_OBJ) block_round_trip.o
82 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) block_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
84 simple_decompress: $(FUZZ_HEADERS) $(FUZZ_OBJ) simple_decompress.o
85 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) simple_decompress.o $(LIB_FUZZING_ENGINE) -o $@
87 stream_decompress: $(FUZZ_HEADERS) $(FUZZ_OBJ) stream_decompress.o
88 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) stream_decompress.o $(LIB_FUZZING_ENGINE) -o $@
90 block_decompress: $(FUZZ_HEADERS) $(FUZZ_OBJ) block_decompress.o
91 $(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_OBJ) block_decompress.o $(LIB_FUZZING_ENGINE) -o $@
93 libregression.a: $(FUZZ_HEADERS) $(PRGDIR)/util.h regression_driver.o
94 $(AR) $(FUZZ_ARFLAGS) $@ regression_driver.o
96 # Install libfuzzer (not usable for MSAN testing)
97 # Provided for convienence. To use this library run make libFuzzer and
102 @git clone https://chromium.googlesource.com/chromium/llvm-project/llvm/lib/Fuzzer
103 @cd Fuzzer && ./build.sh
105 corpora/%_seed_corpus.zip:
107 $(DOWNLOAD) $@ $(CORPORA_URL_PREFIX)$*_seed_corpus.zip
109 corpora/%: corpora/%_seed_corpus.zip
113 corpora: $(patsubst %,corpora/%,$(FUZZ_TARGETS))
115 regressiontest: corpora
116 CC="$(CC)" CXX="$(CXX)" CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)" LDFLAGS="$(LDFLAGS)" $(PYTHON) ./fuzz.py build all
117 $(PYTHON) ./fuzz.py regression all
120 @$(MAKE) -C $(ZSTDDIR) clean
122 @$(RM) simple_round_trip stream_round_trip simple_decompress \
123 stream_decompress block_decompress block_round_trip