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#!/bin/bash -eu
# Copyright 2018 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
SRC_DIR=$SRC/pffft
cd $WORK
# Deploy the seed corpus.
SEED_CORPUS_ZIP_PATH=$OUT/pffft_fuzzers_seed_corpus.zip
if [ -d seed_corpus_tmp ]; then
rm -fr seed_corpus_tmp
fi
mkdir seed_corpus_tmp
python $SRC_DIR/generate_seed_corpus.py seed_corpus_tmp
cd seed_corpus_tmp
zip -q $SEED_CORPUS_ZIP_PATH ./*
cd ..
rm -fr seed_corpus_tmp
build_fuzzer() {
# Aliases for the arguments.
fft_transform=$1
# Fuzzer name.
fuzz_target_name=pffft_${fft_transform,,}_fuzzer
# Add a symbolic link for the seed corpus (same corpus for all the
# generated fuzzers).
ls -la $OUT/*.zip
FUZZER_SEED_CORPUS_PATH=$OUT/${fuzz_target_name}_seed_corpus.zip
if [ -e $FUZZER_SEED_CORPUS_PATH ]; then
rm $FUZZER_SEED_CORPUS_PATH
fi
ln -s $SEED_CORPUS_ZIP_PATH $FUZZER_SEED_CORPUS_PATH
# Compile fuzzer.
$CXX $CXXFLAGS -std=c++11 -msse2 \
-DTRANSFORM_${fft_transform} \
$SRC/pffft/pffft.c $SRC/pffft/pffft_fuzzer.cc \
-o $OUT/${fuzz_target_name} \
$LIB_FUZZING_ENGINE
}
# Build fuzzers.
build_fuzzer REAL
build_fuzzer COMPLEX
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