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1# ################################################################
2# Copyright (c) 2016-2020, 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# You may select, at your option, one of the above-listed licenses.
9# ################################################################
10
11# Optionally user defined flags
12CFLAGS ?= -O3
13CXXFLAGS ?= -O3
14CPPFLAGS ?=
15LDFLAGS ?=
16ARFLAGS ?=
17LIB_FUZZING_ENGINE ?= libregression.a
18PYTHON ?= python
19ifeq ($(shell uname), Darwin)
20	DOWNLOAD?=curl -L -o
21else
22	DOWNLOAD?=wget -O
23endif
24CORPORA_URL_PREFIX:=https://github.com/facebook/zstd/releases/download/fuzz-corpora/
25
26ZSTDDIR = ../../lib
27PRGDIR = ../../programs
28
29FUZZ_CPPFLAGS := -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress \
30	-I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(ZSTDDIR)/legacy \
31	-I$(PRGDIR) -DZSTD_MULTITHREAD -DZSTD_LEGACY_SUPPORT=1 $(CPPFLAGS)
32FUZZ_EXTRA_FLAGS := -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
33	-Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
34	-Wstrict-prototypes -Wundef \
35	-Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
36	-Wredundant-decls \
37	-g -fno-omit-frame-pointer
38FUZZ_CFLAGS := $(FUZZ_EXTRA_FLAGS) $(CFLAGS)
39FUZZ_CXXFLAGS := $(FUZZ_EXTRA_FLAGS) -std=c++11 $(CXXFLAGS)
40FUZZ_LDFLAGS := -pthread $(LDFLAGS)
41FUZZ_ARFLAGS := $(ARFLAGS)
42FUZZ_TARGET_FLAGS = $(FUZZ_CPPFLAGS) $(FUZZ_CXXFLAGS) $(FUZZ_LDFLAGS)
43
44FUZZ_ROUND_TRIP_FLAGS := -DFUZZING_ASSERT_VALID_SEQUENCE
45
46FUZZ_HEADERS := fuzz_helpers.h fuzz.h zstd_helpers.h fuzz_data_producer.h
47FUZZ_SRC := $(PRGDIR)/util.c ./fuzz_helpers.c ./zstd_helpers.c ./fuzz_data_producer.c
48
49ZSTDCOMMON_SRC := $(ZSTDDIR)/common/*.c
50ZSTDCOMP_SRC   := $(ZSTDDIR)/compress/*.c
51ZSTDDECOMP_SRC := $(ZSTDDIR)/decompress/*.c
52ZSTDDICT_SRC := $(ZSTDDIR)/dictBuilder/*.c
53ZSTDLEGACY_SRC := $(ZSTDDIR)/legacy/*.c
54FUZZ_SRC       := \
55	$(FUZZ_SRC) \
56	$(ZSTDDECOMP_SRC) \
57	$(ZSTDCOMMON_SRC) \
58	$(ZSTDCOMP_SRC) \
59	$(ZSTDDICT_SRC) \
60	$(ZSTDLEGACY_SRC)
61FUZZ_SRC := $(wildcard $(FUZZ_SRC))
62
63FUZZ_D_OBJ1 := $(subst $(ZSTDDIR)/common/,d_lib_common_,$(FUZZ_SRC))
64FUZZ_D_OBJ2 := $(subst $(ZSTDDIR)/compress/,d_lib_compress_,$(FUZZ_D_OBJ1))
65FUZZ_D_OBJ3 := $(subst $(ZSTDDIR)/decompress/,d_lib_decompress_,$(FUZZ_D_OBJ2))
66FUZZ_D_OBJ4 := $(subst $(ZSTDDIR)/dictBuilder/,d_lib_dictBuilder_,$(FUZZ_D_OBJ3))
67FUZZ_D_OBJ5 := $(subst $(ZSTDDIR)/legacy/,d_lib_legacy_,$(FUZZ_D_OBJ4))
68FUZZ_D_OBJ6 := $(subst $(PRGDIR)/,d_prg_,$(FUZZ_D_OBJ5))
69FUZZ_D_OBJ7 := $(subst $\./,d_fuzz_,$(FUZZ_D_OBJ6))
70FUZZ_DECOMPRESS_OBJ := $(FUZZ_D_OBJ7:.c=.o)
71
72FUZZ_RT_OBJ1 := $(subst $(ZSTDDIR)/common/,rt_lib_common_,$(FUZZ_SRC))
73FUZZ_RT_OBJ2 := $(subst $(ZSTDDIR)/compress/,rt_lib_compress_,$(FUZZ_RT_OBJ1))
74FUZZ_RT_OBJ3 := $(subst $(ZSTDDIR)/decompress/,rt_lib_decompress_,$(FUZZ_RT_OBJ2))
75FUZZ_RT_OBJ4 := $(subst $(ZSTDDIR)/dictBuilder/,rt_lib_dictBuilder_,$(FUZZ_RT_OBJ3))
76FUZZ_RT_OBJ5 := $(subst $(ZSTDDIR)/legacy/,rt_lib_legacy_,$(FUZZ_RT_OBJ4))
77FUZZ_RT_OBJ6 := $(subst $(PRGDIR)/,rt_prg_,$(FUZZ_RT_OBJ5))
78FUZZ_RT_OBJ7 := $(subst $\./,rt_fuzz_,$(FUZZ_RT_OBJ6))
79FUZZ_ROUND_TRIP_OBJ := $(FUZZ_RT_OBJ7:.c=.o)
80
81.PHONY: default all clean cleanall
82
83default: all
84
85FUZZ_TARGETS :=       \
86	simple_round_trip \
87	stream_round_trip \
88	block_round_trip  \
89	simple_decompress \
90	stream_decompress \
91	block_decompress  \
92	dictionary_round_trip \
93	dictionary_decompress \
94	zstd_frame_info \
95	simple_compress \
96	dictionary_loader \
97	raw_dictionary_round_trip \
98	dictionary_stream_round_trip \
99	decompress_dstSize_tooSmall \
100	fse_read_ncount \
101	sequence_compression_api
102
103all: libregression.a $(FUZZ_TARGETS)
104
105rt_lib_common_%.o: $(ZSTDDIR)/common/%.c
106	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $(FUZZ_ROUND_TRIP_FLAGS) $< -c -o $@
107
108rt_lib_compress_%.o: $(ZSTDDIR)/compress/%.c
109	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $(FUZZ_ROUND_TRIP_FLAGS) $< -c -o $@
110
111rt_lib_decompress_%.o: $(ZSTDDIR)/decompress/%.c
112	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $(FUZZ_ROUND_TRIP_FLAGS) $< -c -o $@
113
114rt_lib_dictBuilder_%.o: $(ZSTDDIR)/dictBuilder/%.c
115	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $(FUZZ_ROUND_TRIP_FLAGS) $< -c -o $@
116
117rt_lib_legacy_%.o: $(ZSTDDIR)/legacy/%.c
118	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $(FUZZ_ROUND_TRIP_FLAGS) $< -c -o $@
119
120rt_prg_%.o: $(PRGDIR)/%.c
121	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $(FUZZ_ROUND_TRIP_FLAGS) $< -c -o $@
122
123rt_fuzz_%.o: %.c
124	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $(FUZZ_ROUND_TRIP_FLAGS) $< -c -o $@
125
126d_lib_common_%.o: $(ZSTDDIR)/common/%.c
127	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $< -c -o $@
128
129d_lib_compress_%.o: $(ZSTDDIR)/compress/%.c
130	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $< -c -o $@
131
132d_lib_decompress_%.o: $(ZSTDDIR)/decompress/%.c
133	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $< -c -o $@
134
135d_lib_dictBuilder_%.o: $(ZSTDDIR)/dictBuilder/%.c
136	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $< -c -o $@
137
138d_lib_legacy_%.o: $(ZSTDDIR)/legacy/%.c
139	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $< -c -o $@
140
141d_prg_%.o: $(PRGDIR)/%.c
142	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $< -c -o $@
143
144d_fuzz_%.o: %.c
145	$(CC) $(FUZZ_CPPFLAGS) $(FUZZ_CFLAGS) $< -c -o $@
146
147simple_round_trip: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_simple_round_trip.o
148	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_simple_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
149
150stream_round_trip: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_stream_round_trip.o
151	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_stream_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
152
153block_round_trip: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_block_round_trip.o
154	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_block_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
155
156simple_decompress: $(FUZZ_HEADERS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_simple_decompress.o
157	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_simple_decompress.o $(LIB_FUZZING_ENGINE) -o $@
158
159stream_decompress: $(FUZZ_HEADERS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_stream_decompress.o
160	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_stream_decompress.o $(LIB_FUZZING_ENGINE) -o $@
161
162block_decompress: $(FUZZ_HEADERS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_block_decompress.o
163	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_block_decompress.o $(LIB_FUZZING_ENGINE) -o $@
164
165dictionary_round_trip: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_dictionary_round_trip.o
166	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_dictionary_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
167
168raw_dictionary_round_trip: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_raw_dictionary_round_trip.o
169	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_raw_dictionary_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
170
171dictionary_stream_round_trip: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_dictionary_stream_round_trip.o
172	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_dictionary_stream_round_trip.o $(LIB_FUZZING_ENGINE) -o $@
173
174dictionary_decompress: $(FUZZ_HEADERS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_dictionary_decompress.o
175	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_dictionary_decompress.o $(LIB_FUZZING_ENGINE) -o $@
176
177simple_compress: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_simple_compress.o
178	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_simple_compress.o $(LIB_FUZZING_ENGINE) -o $@
179
180zstd_frame_info: $(FUZZ_HEADERS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_zstd_frame_info.o
181	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_zstd_frame_info.o $(LIB_FUZZING_ENGINE) -o $@
182
183dictionary_loader: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_dictionary_loader.o
184	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_dictionary_loader.o $(LIB_FUZZING_ENGINE) -o $@
185
186decompress_dstSize_tooSmall: $(FUZZ_HEADERS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_decompress_dstSize_tooSmall.o
187	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_DECOMPRESS_OBJ) d_fuzz_decompress_dstSize_tooSmall.o $(LIB_FUZZING_ENGINE) -o $@
188
189fse_read_ncount: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_fse_read_ncount.o
190	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_fse_read_ncount.o $(LIB_FUZZING_ENGINE) -o $@
191
192sequence_compression_api: $(FUZZ_HEADERS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_sequence_compression_api.o
193	$(CXX) $(FUZZ_TARGET_FLAGS) $(FUZZ_ROUND_TRIP_OBJ) rt_fuzz_sequence_compression_api.o $(LIB_FUZZING_ENGINE) -o $@
194
195libregression.a: $(FUZZ_HEADERS) $(PRGDIR)/util.h $(PRGDIR)/util.c d_fuzz_regression_driver.o
196	$(AR) $(FUZZ_ARFLAGS) $@ d_fuzz_regression_driver.o
197
198corpora/%_seed_corpus.zip:
199	@mkdir -p corpora
200	$(DOWNLOAD) $@ $(CORPORA_URL_PREFIX)$*_seed_corpus.zip
201
202corpora/%: corpora/%_seed_corpus.zip
203	unzip -q $^ -d $@
204
205.PHONY: corpora
206corpora: $(patsubst %,corpora/%,$(FUZZ_TARGETS))
207
208.PHONY: seedcorpora
209seedcorpora: $(patsubst %,corpora/%_seed_corpus.zip,$(FUZZ_TARGETS))
210
211regressiontest: corpora
212	CC="$(CC)" CXX="$(CXX)" CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)" LDFLAGS="$(LDFLAGS)" $(PYTHON) ./fuzz.py build all
213	$(PYTHON) ./fuzz.py regression all
214
215clean:
216	@$(RM) *.a *.o $(FUZZ_TARGETS)
217	@echo Cleaning completed
218
219cleanall:
220	@$(RM) -r Fuzzer
221	@$(RM) -r corpora
222	@echo Cleaning completed
223