1#!/bin/bash -eu 2# Copyright 2020 Google Inc. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16################################################################################ 17 18# Note: This project creates Rust fuzz targets exclusively 19 20build() { 21 project=$1 22 shift 23 fuzzer_prefix=$1 24 shift 25 fuzz_targets=$1 26 shift 27 PROJECT_DIR=$SRC/$project 28 29 # ensure we get absolute paths for the coverage report 30 cd $PROJECT_DIR 31 crate_src_abspath=`cargo metadata --no-deps --format-version 1 | jq -r '.workspace_root'` 32 while read i; do 33 export RUSTFLAGS="$RUSTFLAGS --remap-path-prefix $i=$crate_src_abspath/$i" 34 done <<< "$(find . -name "*.rs" | cut -d/ -f2 | uniq)" 35 36 cd $PROJECT_DIR/fuzz && cargo fuzz build -O --debug-assertions "$@" 37 38 FUZZ_TARGET_OUTPUT_DIR=$PROJECT_DIR/target/x86_64-unknown-linux-gnu/release 39 40 if [ "x$fuzz_targets" = "x" ]; then 41 fuzz_targets=$PROJECT_DIR/fuzz/fuzz_targets/*.rs 42 fi 43 44 for f in $fuzz_targets; do 45 src_name=$(basename ${f%.*}) 46 dst_name=$fuzzer_prefix$src_name 47 cp $FUZZ_TARGET_OUTPUT_DIR/$src_name $OUT/$dst_name 48 49 if [[ -d $SRC/wasmtime/wasmtime-libfuzzer-corpus/$dst_name/ ]]; then 50 zip -jr \ 51 $OUT/${dst_name}_seed_corpus.zip \ 52 $SRC/wasmtime/wasmtime-libfuzzer-corpus/$dst_name/ 53 fi 54 55 cp $SRC/default.options $OUT/$dst_name.options 56 done 57} 58 59# Build with peepmatic in order to enable the related fuzz targets. 60build wasmtime "" "" --features "peepmatic-fuzzing experimental_x64" 61 62build wasm-tools wasm-tools- "" 63build regalloc.rs regalloc- bt bt 64