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#!/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.
set -xeu
abort() {
cd - &>/dev/null
exit "$1"
}
trap "abort 1" SIGINT SIGTERM
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="$1"
if [ ! -d "$LIBUNWIND_DIR/.git" ]; then
git submodule update --init third_party/android/libunwind
fi
# Change workspace
cd "$LIBUNWIND_DIR" &>/dev/null
if [[ $(which ndk-build) != "" ]]; then
NDK=$(dirname $(which ndk-build))
else
echo "[-] Could not detect Android NDK dir"
abort 1
fi
if ! echo "$ANDROID_API" | grep -qoE 'android-[0-9]{1,2}'; then
echo "[-] Invalid ANDROID_API '$ANDROID_API'"
abort 1
fi
ANDROID_API_V=$(echo "$ANDROID_API" | grep -oE '[0-9]{1,2}$')
LC_LDFLAGS="-static"
ARCH="$2"
# Prepare toolchain
case "$ARCH" in
arm)
TOOLCHAIN=arm-linux-androideabi
;;
arm64)
TOOLCHAIN=aarch64-linux-android
;;
x86)
TOOLCHAIN=i686-linux-android
;;
x86_64)
TOOLCHAIN=x86_64-linux-android
;;
esac
# Support both Linux & Darwin
HOST_OS=$(uname -s | tr '[:upper:]' '[:lower:]')
HOST_ARCH=$(uname -m)
export CC="$NDK"/toolchains/llvm/prebuilt/"$HOST_OS"-x86_64/bin/"$ANDROID_NDK_COMPILER_PREFIX""$ANDROID_API_V"-clang
export CXX="$NDK"/toolchains/llvm/prebuilt/"$HOST_OS"-x86_64/bin/"$ANDROID_NDK_COMPILER_PREFIX""$ANDROID_API_V"-clang++
if [ ! -x "$CC" ]; then
echo "[-] clang doesn't exist: $CC"
abort 1
elif [ ! -x "$CXX" ]; then
echo "[-] clang++ doesn't exist: $CXX"
abort 1
fi
if [ ! -f configure ]; then
autoreconf -i
else
make clean
fi
./configure "--host=$TOOLCHAIN" --disable-coredump --enable-static --disable-shared --disable-tests --enable-ptrace
make -j LDFLAGS="$LC_LDFLAGS"
# Naming conventions for arm64
if [[ "$ARCH" == "arm64" ]]; then
find . -type f -name "*aarch64*.a" | while read -r libFile
do
dir=$(dirname "$libFile")
pushd $dir
fName=$(basename "$libFile")
newFName=$(echo "$fName" | sed "s#aarch64#arm64#")
ln -sf "$fName" "$newFName"
popd
done
fi
abort 0
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