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#!/usr/bin/env bash
# Copyright 2015 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
# Assuming x86 host, you also need to install:
# sudo apt-get install gcc-aarch64-linux-gnu gcc-powerpc64le-linux-gnu
if [ "$LINUX" == "" ]; then
if [ "$ANDROID" == "" ]; then
echo "usage: make extract LINUX=/linux/checkout]"
echo "OR: make extract ANDROID=/linux/checkout]"
exit 1
else
LINUX=$ANDROID
BUILD_FOR_ANDROID=yes
fi
else
BUILD_FOR_ANDROID=no
fi
UPSTREAM_FILES="sys/bpf.txt sys/dri.txt sys/fuse.txt sys/input.txt sys/ipc.txt
sys/key.txt sys/kvm.txt sys/loop.txt sys/perf.txt sys/random.txt
sys/sndcontrol.txt sys/sndseq.txt sys/sndtimer.txt
sys/sys.txt sys/test.txt sys/tty.txt sys/tun.txt sys/vnet.txt
sys/socket.txt sys/socket_alg.txt sys/socket_bluetooth.txt
sys/socket_inet.txt sys/socket_inet6.txt sys/socket_inet_tcp.txt
sys/socket_inet_udp.txt sys/socket_inet_icmp.txt
sys/socket_inet_sctp.txt sys/socket_inet_dccp.txt
sys/socket_kcm.txt sys/socket_key.txt sys/socket_netlink.txt
sys/socket_netrom.txt sys/socket_nfc.txt sys/socket_unix.txt
sys/socket_ipx.txt sys/socket_ax25.txt sys/socket_llc.txt"
ANDROID_FILES="sys/tlk_device.txt sys/ion.txt"
if [ "$BUILD_FOR_ANDROID" == "no" ]; then
FILES="$UPSTREAM_FILES"
else
FILES="$ANDROID_FILES"
fi
generate_arch() {
echo generating arch $1...
echo "cd $LINUX; make defconfig"
OUT=`(cd $LINUX; make ARCH=$2 CROSS_COMPILE=$3-linux-gnu- defconfig 2>&1)`
if [ $? -ne 0 ]; then
echo "$OUT"
exit 1
fi
echo "cd $LINUX; make"
OUT=`(cd $LINUX; make ARCH=$2 CROSS_COMPILE=$3-linux-gnu- init/main.o 2>&1)`
if [ $? -ne 0 ]; then
echo "$OUT"
exit 1
fi
for F in $FILES; do
echo "extracting from $F"
bin/syz-extract -arch $1 -linux "$LINUX" -linuxbld "$LINUXBLD" $F
if [ $? -ne 0 ]; then
exit 1
fi
done
echo
}
generate_arch amd64 x86_64 x86_64
generate_arch arm64 arm64 aarch64
if [ "$BUILD_FOR_ANDROID" == "no" ]; then
generate_arch ppc64le powerpc powerpc64le
fi
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