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fuzz: new fuzzer for the mpatch code Differential Revision: https://phab.mercurial-scm.org/D3695
author Augie Fackler <augie@google.com>
date Sat, 28 Apr 2018 22:35:14 -0400
parents 9db30f438ddd
children 8c692a6b5ad1
line wrap: on
line source

CC = clang
CXX = clang++

all: bdiff mpatch xdiff

fuzzutil.o: fuzzutil.cc fuzzutil.h
	$(CXX) $(CXXFLAGS) -g -O1 -fsanitize=fuzzer-no-link,address \
	  -std=c++17 \
	  -I../../mercurial -c -o fuzzutil.o fuzzutil.cc

fuzzutil-oss-fuzz.o: fuzzutil.cc fuzzutil.h
	$(CXX) $(CXXFLAGS) -std=c++17 \
	  -I../../mercurial -c -o fuzzutil-oss-fuzz.o fuzzutil.cc

bdiff.o: ../../mercurial/bdiff.c
	$(CC) $(CFLAGS) -fsanitize=fuzzer-no-link,address -c -o bdiff.o \
	  ../../mercurial/bdiff.c

bdiff: bdiff.cc bdiff.o fuzzutil.o
	$(CXX) $(CXXFLAGS) -DHG_FUZZER_INCLUDE_MAIN=1 -g -O1 -fsanitize=fuzzer-no-link,address \
	  -std=c++17 \
	  -I../../mercurial bdiff.cc bdiff.o fuzzutil.o -o bdiff

bdiff-oss-fuzz.o: ../../mercurial/bdiff.c
	$(CC) $(CFLAGS) -c -o bdiff-oss-fuzz.o ../../mercurial/bdiff.c

bdiff_fuzzer: bdiff.cc bdiff-oss-fuzz.o fuzzutil-oss-fuzz.o
	$(CXX) $(CXXFLAGS) -std=c++17 -I../../mercurial bdiff.cc \
	  bdiff-oss-fuzz.o fuzzutil-oss-fuzz.o -lFuzzingEngine -o \
	  $$OUT/bdiff_fuzzer

mpatch.o: ../../mercurial/mpatch.c
	$(CC) -g -O1 -fsanitize=fuzzer-no-link,address -c -o mpatch.o \
	  ../../mercurial/mpatch.c

mpatch: CXXFLAGS += -std=c++17
mpatch: mpatch.cc mpatch.o fuzzutil.o
	$(CXX) $(CXXFLAGS) -DHG_FUZZER_INCLUDE_MAIN=1 -g -O1 -fsanitize=fuzzer-no-link,address \
	  -I../../mercurial mpatch.cc mpatch.o fuzzutil.o -o mpatch

mpatch-oss-fuzz.o: ../../mercurial/mpatch.c
	$(CC) $(CFLAGS) -c -o mpatch-oss-fuzz.o ../../mercurial/mpatch.c

mpatch_fuzzer: mpatch.cc mpatch-oss-fuzz.o fuzzutil-oss-fuzz.o
	$(CXX) $(CXXFLAGS) -std=c++17 -I../../mercurial mpatch.cc \
	  mpatch-oss-fuzz.o fuzzutil-oss-fuzz.o -lFuzzingEngine -o \
	  $$OUT/mpatch_fuzzer

mpatch_corpus.zip:
	python mpatch_corpus.py $$OUT/mpatch_fuzzer_seed_corpus.zip

x%.o: ../../mercurial/thirdparty/xdiff/x%.c ../../mercurial/thirdparty/xdiff/*.h
	$(CC) -g -O1 -fsanitize=fuzzer-no-link,address -c \
	  -o $@ \
	  $<

xdiff: CXXFLAGS += -std=c++17
xdiff: xdiff.cc xdiffi.o xprepare.o xutils.o fuzzutil.o
	$(CXX) $(CXXFLAGS) -DHG_FUZZER_INCLUDE_MAIN=1 -g -O1 -fsanitize=fuzzer-no-link,address \
	  -I../../mercurial xdiff.cc \
	  xdiffi.o xprepare.o xutils.o fuzzutil.o -o xdiff

fuzz-x%.o: ../../mercurial/thirdparty/xdiff/x%.c ../../mercurial/thirdparty/xdiff/*.h
	$(CC) $(CFLAGS) -c \
	  -o $@ \
	  $<

xdiff_fuzzer: xdiff.cc fuzz-xdiffi.o fuzz-xprepare.o fuzz-xutils.o fuzzutil-oss-fuzz.o
	$(CXX) $(CXXFLAGS) -std=c++17 -I../../mercurial xdiff.cc \
	  fuzz-xdiffi.o fuzz-xprepare.o fuzz-xutils.o fuzzutil-oss-fuzz.o \
	  -lFuzzingEngine -o $$OUT/xdiff_fuzzer

clean:
	$(RM) *.o *_fuzzer \
	  bdiff \
	  mpatch \
	  xdiff

oss-fuzz: bdiff_fuzzer mpatch_fuzzer mpatch_corpus.zip xdiff_fuzzer

.PHONY: all clean oss-fuzz