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Enable jitting in pcre2 #11195

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merged 7 commits into from
Feb 21, 2024
Merged

Enable jitting in pcre2 #11195

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889a7a8
enable jitting in pcre2
addisoncrump Nov 7, 2023
5558065
enable 16- and 32-bit support (no dictionaries for now)
addisoncrump Nov 14, 2023
0e30779
fuzz with different link sizes
addisoncrump Nov 14, 2023
91b0b67
add all fuzzer options
addisoncrump Dec 8, 2023
c4463a7
use link sizes as well
addisoncrump Dec 8, 2023
e279ef4
add myself (Addison Crump) to CCs in PCRE2
addisoncrump Feb 5, 2024
5213236
brace expansion differences
addisoncrump Feb 21, 2024
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36 changes: 33 additions & 3 deletions projects/pcre2/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -17,13 +17,43 @@

# build project
./autogen.sh
./configure --enable-fuzz-support --enable-never-backslash-C --with-match-limit=1000 --with-match-limit-depth=1000
./configure --enable-fuzz-support \
--enable-never-backslash-C --with-match-limit=1000 --with-match-limit-depth=1000 \
--enable-jit \
--enable-pcre2-16 --enable-pcre2-32
make -j$(nproc) clean
make -j$(nproc) all

# build fuzzer
# build fuzzers
$CXX $CXXFLAGS -o $OUT/pcre2_fuzzer \
$LIB_FUZZING_ENGINE .libs/libpcre2-fuzzsupport.a .libs/libpcre2-8.a
$CXX $CXXFLAGS -o $OUT/pcre2_fuzzer_16 \
$LIB_FUZZING_ENGINE .libs/libpcre2-fuzzsupport-16.a .libs/libpcre2-16.a
$CXX $CXXFLAGS -o $OUT/pcre2_fuzzer_32 \
$LIB_FUZZING_ENGINE .libs/libpcre2-fuzzsupport-32.a .libs/libpcre2-32.a

# test different link sizes
for i in $(seq 3 4); do
./configure --enable-fuzz-support \
--enable-never-backslash-C --with-match-limit=1000 --with-match-limit-depth=1000 \
--enable-jit \
--enable-pcre2-16 --enable-pcre2-32 --with-link-size=${i}
make -j$(nproc) clean
make -j$(nproc) all

# build fuzzers
$CXX $CXXFLAGS -o $OUT/pcre2_fuzzer_${i}l \
$LIB_FUZZING_ENGINE .libs/libpcre2-fuzzsupport.a .libs/libpcre2-8.a
$CXX $CXXFLAGS -o $OUT/pcre2_fuzzer_16_${i}l \
$LIB_FUZZING_ENGINE .libs/libpcre2-fuzzsupport-16.a .libs/libpcre2-16.a
$CXX $CXXFLAGS -o $OUT/pcre2_fuzzer_32_${i}l \
$LIB_FUZZING_ENGINE .libs/libpcre2-fuzzsupport-32.a .libs/libpcre2-32.a
done

# set up dictionary and options to use it
cp pcre2_fuzzer.options pcre2_fuzzer.dict $OUT/
for bits in {,_16,_32}; do
for linksize in {,_3l,_4l}; do
cp "pcre2_fuzzer${bits}.options" "${OUT}/pcre2_fuzzer${bits}${linksize}.options"
cp "pcre2_fuzzer${bits}.dict" "${OUT}/pcre2_fuzzer${bits}${linksize}.dict"
done
done
2 changes: 2 additions & 0 deletions projects/pcre2/project.yaml
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Expand Up @@ -12,3 +12,5 @@ sanitizers:
architectures:
- x86_64
- i386
auto_ccs:
- "[email protected]"
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