1#! /bin/sh 2# 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright (c) 2018-2021 Gavin D. Howard and contributors. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions are met: 9# 10# * Redistributions of source code must retain the above copyright notice, this 11# list of conditions and the following disclaimer. 12# 13# * Redistributions in binary form must reproduce the above copyright notice, 14# this list of conditions and the following disclaimer in the documentation 15# and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27# POSSIBILITY OF SUCH DAMAGE. 28# 29 30# Just print the usage and exit with an error. 31usage() { 32 printf 'usage: %s [-a] [afl_compiler]\n' "$0" 1>&2 33 printf '\n' 34 printf ' If -a is given, then an ASan ready build is created.\n' 35 printf ' Otherwise, a normal fuzz build is created.\n' 36 printf ' The ASan-ready build is for running under\n' 37 printf ' `tests/afl.py --asan`, which checks that there were no\n' 38 printf ' memory errors in any path found by the fuzzer.\n' 39 printf ' It might also be useful to run scripts/randmath.py on an\n' 40 printf ' ASan-ready binary.\n' 41 exit 1 42} 43 44script="$0" 45scriptdir=$(dirname "$script") 46 47asan=0 48 49# Process command-line arguments. 50while getopts "a" opt; do 51 52 case "$opt" in 53 a) asan=1 ; shift ;; 54 ?) usage "Invalid option: $opt" ;; 55 esac 56 57done 58 59if [ $# -lt 1 ]; then 60 CC=afl-clang-lto 61else 62 CC="$1" 63fi 64 65# We want this for extra sensitive crashing 66AFL_HARDEN=1 67 68cd "$scriptdir/.." 69 70set -e 71 72if [ "$asan" -ne 0 ]; then 73 CFLAGS="-flto -fsanitize=address" 74else 75 CFLAGS="-flto" 76fi 77 78# We want a debug build because asserts are counted as crashes too. 79CC="$CC" CFLAGS="$CFLAGS" ./configure.sh -gO3 -z 80 81make -j16 82