diff options
Diffstat (limited to 'projects/binutils/build.sh')
-rwxr-xr-x | projects/binutils/build.sh | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/projects/binutils/build.sh b/projects/binutils/build.sh index 0c6fcc498..c7206f4cb 100755 --- a/projects/binutils/build.sh +++ b/projects/binutils/build.sh @@ -21,15 +21,51 @@ if [ "$SANITIZER" = undefined ]; then export CXXFLAGS="$CXXFLAGS -fno-sanitize=unsigned-integer-overflow" fi cd binutils-gdb + +# Comment out the lines of logging to stderror from elfcomm.c +# This is to make it nicer to read the output of libfuzzer. +cd binutils +sed -i 's/vfprintf (stderr/\/\//' elfcomm.c +sed -i 's/fprintf (stderr/\/\//' elfcomm.c +cd ../ + ./configure --disable-gdb --enable-targets=all make MAKEINFO=true && true + +# Make fuzzer directory mkdir fuzz cp ../fuzz_*.c fuzz/ - cd fuzz -ls fuzz_*.c | cut -d. -f1 | while read i; do + +for i in fuzz_disassemble fuzz_bfd; do $CC $CFLAGS -I ../include -I ../bfd -I ../opcodes -c $i.c -o $i.o $CXX $CXXFLAGS $i.o -o $OUT/$i $LIB_FUZZING_ENGINE ../opcodes/libopcodes.a ../bfd/libbfd.a ../libiberty/libiberty.a ../zlib/libz.a done - # TODO build corpuses + +# Now compile the src/binutils fuzzers +cd ../binutils + +# First copy the fuzzers, modify applications and copile object files +for i in readelf cxxfilt; do + cp ../../fuzz_$i.c . + + # Modify main functions so we dont have them anymore + sed 's/main (int argc/old_main (int argc, char **argv);\nint old_main (int argc/' $i.c >> $i.h + + # Compile object file + $CC $CFLAGS -DHAVE_CONFIG_H -I. -I../bfd -I./../bfd -I./../include -I./../zlib -DLOCALEDIR="\"/usr/local/share/locale\"" -Dbin_dummy_emulation=bin_vanilla_emulation -W -Wall -MT fuzz_$i.o -MD -MP -c -o fuzz_$i.o fuzz_$i.c +done + +# Link the files +## Readelf +$CXX $CXXFLAGS $LIB_FUZZING_ENGINE -W -Wall -I./../zlib -o fuzz_readelf fuzz_readelf.o version.o unwind-ia64.o dwarf.o elfcomm.o ../libctf/.libs/libctf-nobfd.a -L/src/binutils-gdb/zlib -lz ../libiberty/libiberty.a +mv fuzz_readelf $OUT/fuzz_readelf + +### Set up seed corpus for readelf in the form of a single ELF file. +zip fuzz_readelf_seed_corpus.zip /src/fuzz_readelf_seed_corpus/simple_elf +mv fuzz_readelf_seed_corpus.zip $OUT/ + +## cxxfilt +$CXX $CXXFLAGS $LIB_FUZZING_ENGINE -W -Wall -I./../zlib -o fuzz_cxxfilt fuzz_cxxfilt.o bucomm.o version.o filemode.o ../bfd/.libs/libbfd.a -L/src/binutils-gdb/zlib -lz ../libiberty/libiberty.a +mv fuzz_cxxfilt $OUT/fuzz_cxxfilt |