| #!/bin/bash |
| # |
| # honggfuzz libunwind build help script |
| # ----------------------------------------- |
| # |
| # 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. |
| |
| if [ -z "$NDK" ]; then |
| # Search in $PATH |
| if [[ $(which ndk-build) != "" ]]; then |
| $NDK=$(dirname $(which ndk-build)) |
| else |
| echo "[-] Could not detect Android NDK dir" |
| exit 1 |
| fi |
| fi |
| |
| if [ $# -ne 2 ]; then |
| echo "[-] Invalid arguments" |
| echo "[!] $0 <LIBUNWIND_DIR> <ARCH>" |
| echo " ARCH: arm arm64 x86 x86_64" |
| exit 1 |
| fi |
| |
| readonly LIBUNWIND_DIR=$1 |
| |
| # Fetch if not already there |
| if [ ! -d $LIBUNWIND_DIR ]; then |
| echo "[!] libunwind not found. Fetching a fresh copy" |
| git clone git://git.sv.gnu.org/libunwind.git $LIBUNWIND_DIR |
| fi |
| |
| case "$2" in |
| arm|arm64|x86|x86_64) |
| readonly ARCH=$2 |
| if [ ! -d $LIBUNWIND_DIR/$ARCH ] ; then mkdir -p $LIBUNWIND_DIR/$ARCH; fi |
| ;; |
| *) |
| echo "[-] Invalid architecture" |
| exit 1 |
| ;; |
| esac |
| |
| # Change workdir to simplify args |
| cd $LIBUNWIND_DIR |
| |
| # Prepare toolchain |
| case "$ARCH" in |
| arm) |
| TOOLCHAIN=arm-linux-androideabi |
| TOOLCHAIN_S=arm-linux-androideabi-4.9 |
| ;; |
| arm64) |
| TOOLCHAIN=aarch64-linux-android |
| TOOLCHAIN_S=aarch64-linux-android-4.9 |
| ;; |
| x86) |
| TOOLCHAIN=i686-linux-android |
| TOOLCHAIN_S=x86-4.9 |
| ;; |
| x86_64) |
| TOOLCHAIN=x86_64-linux-android |
| TOOLCHAIN_S=x86_64-4.9 |
| ;; |
| esac |
| |
| # Apply patches required for Android |
| # TODO: Automate global patching when all archs have been tested |
| if [ "$ARCH" == "arm64" ]; then |
| # Missing libc functionality |
| patch -N --dry-run --silent include/libunwind-aarch64.h < ../patches/aarch64-libunwind.patch &>/dev/null |
| if [ $? -eq 0 ]; then |
| patch include/libunwind-aarch64.h < ../patches/aarch64-libunwind.patch |
| if [ $? -ne 0 ]; then |
| echo "[-] aarch64-libunwind patch failed" |
| exit 1 |
| fi |
| fi |
| fi |
| |
| if [ "$ARCH" == "x86" ]; then |
| # Missing syscalls |
| patch -N --dry-run --silent src/x86/Gos-linux.c < ../patches/x86-libunwind.patch &>/dev/null |
| if [ $? -eq 0 ]; then |
| patch src/x86/Gos-linux.c < ../patches/x86-libunwind.patch |
| if [ $? -ne 0 ]; then |
| echo "[-] x86-libunwind patch failed" |
| exit 1 |
| fi |
| fi |
| fi |
| |
| # Support both Linux & Darwin |
| HOST_OS=$(uname -s | tr '[:upper:]' '[:lower:]') |
| HOST_ARCH=$(uname -m) |
| |
| SYSROOT="$NDK/platforms/android-21/arch-$ARCH" |
| export CC="$NDK/toolchains/$TOOLCHAIN_S/prebuilt/$HOST_OS-$HOST_ARCH/bin/$TOOLCHAIN-gcc --sysroot=$SYSROOT" |
| export CXX="$NDK/toolchains/$TOOLCHAIN_S/prebuilt/$HOST_OS-$HOST_ARCH/bin/$TOOLCHAIN-g++ --sysroot=$SYSROOT" |
| export PATH="$NDK/toolchains/$TOOLCHAIN_S/prebuilt/$HOST_OS-$HOST_ARCH/bin":$PATH |
| |
| if [ ! -f configure ]; then |
| autoreconf -i |
| if [ $? -ne 0 ]; then |
| echo "[-] autoreconf failed" |
| exit 1 |
| fi |
| # Patch configure |
| sed -i -e 's/-lgcc_s/-lgcc/g' configure |
| else |
| make clean |
| if [ $? -ne 0 ]; then |
| echo "[-] Old build detected, although clean failed. Consider manual clean-up." |
| exit 1 |
| fi |
| fi |
| |
| ./configure --host=$TOOLCHAIN --disable-coredump |
| if [ $? -ne 0 ]; then |
| echo "[-] configure failed" |
| exit 1 |
| fi |
| |
| make CFLAGS="-static" LDFLAGS="-static" |
| if [ $? -ne 0 ]; then |
| echo "[-] Compilation failed" |
| cd - |
| exit 1 |
| else |
| echo "[*] '$ARCH' libunwind available at '$LIBUNWIND_DIR/$ARCH'" |
| cp src/.libs/*.a $ARCH |
| cd - |
| fi |