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#!/bin/bash -eu
# Copyright 2020 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.
#
################################################################################
# Note: This project creates Rust fuzz targets exclusively
build() {
project=$1
shift
fuzzer_prefix=$1
shift
fuzz_targets=$1
shift
PROJECT_DIR=$SRC/$project
# ensure we get absolute paths for the coverage report
cd $PROJECT_DIR
crate_src_abspath=`cargo metadata --no-deps --format-version 1 | jq -r '.workspace_root'`
while read i; do
export RUSTFLAGS="$RUSTFLAGS --remap-path-prefix $i=$crate_src_abspath/$i"
done <<< "$(find . -name "*.rs" | cut -d/ -f2 | uniq)"
cd $PROJECT_DIR/fuzz && cargo fuzz build -O --debug-assertions "$@"
FUZZ_TARGET_OUTPUT_DIR=$PROJECT_DIR/target/x86_64-unknown-linux-gnu/release
if [ "x$fuzz_targets" = "x" ]; then
fuzz_targets=$PROJECT_DIR/fuzz/fuzz_targets/*.rs
fi
for f in $fuzz_targets; do
src_name=$(basename ${f%.*})
dst_name=$fuzzer_prefix$src_name
cp $FUZZ_TARGET_OUTPUT_DIR/$src_name $OUT/$dst_name
if [[ -d $SRC/wasmtime/wasmtime-libfuzzer-corpus/$dst_name/ ]]; then
zip -jr \
$OUT/${dst_name}_seed_corpus.zip \
$SRC/wasmtime/wasmtime-libfuzzer-corpus/$dst_name/
fi
cp $SRC/default.options $OUT/$dst_name.options
done
}
# Build with peepmatic in order to enable the related fuzz targets.
build wasmtime "" "" --features "peepmatic-fuzzing experimental_x64"
build wasm-tools wasm-tools- ""
build regalloc.rs regalloc- bt bt
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