1#!/bin/sh 2# 3# Copyright (C) 2010 The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16# 17# This shell script is used to rebuild the gdbserver binary from 18# the Android NDK's prebuilt binaries. 19# 20 21# include common function and variable definitions 22. `dirname $0`/prebuilt-common.sh 23 24PROGRAM_PARAMETERS="<src-dir> <ndk-dir> <toolchain>" 25 26PROGRAM_DESCRIPTION=\ 27"Rebuild the gdbserver prebuilt binary for the Android NDK toolchain. 28 29Where <src-dir> is the location of the gdbserver sources, 30<ndk-dir> is the top-level NDK installation path and <toolchain> 31is the name of the toolchain to use (e.g. arm-linux-androideabi-4.8). 32 33The final binary is placed under: 34 35 <ndk-dir>/toolchains <toolchain>/prebuilt/gdbserver 36 37NOTE: The --platform option is ignored if --sysroot is used." 38 39VERBOSE=no 40 41OPTION_BUILD_OUT= 42BUILD_OUT=$TMPDIR/build/gdbserver 43register_option "--build-out=<path>" do_build_out "Set temporary build directory" 44do_build_out () { OPTION_BUILD_OUT="$1"; } 45 46SYSROOT= 47register_var_option "--sysroot=<path>" SYSROOT "Specify sysroot directory directly" 48 49NOTHREADS=no 50register_var_option "--disable-threads" NOTHREADS "Disable threads support" 51 52GDB_VERSION= 53register_var_option "--gdb-version=<name>" GDB_VERSION "Use specific gdb version." 54 55PACKAGE_DIR= 56register_var_option "--package-dir=<path>" PACKAGE_DIR "Archive binary into specific directory" 57 58register_jobs_option 59 60register_try64_option 61 62extract_parameters "$@" 63 64setup_default_log_file 65 66set_parameters () 67{ 68 SRC_DIR="$1" 69 NDK_DIR="$2" 70 TOOLCHAIN="$3" 71 GDBVER= 72 73 # Check source directory 74 # 75 if [ -z "$SRC_DIR" ] ; then 76 echo "ERROR: Missing source directory parameter. See --help for details." 77 exit 1 78 fi 79 80 if [ -n "$GDB_VERSION" ]; then 81 GDBVER=$GDB_VERSION 82 else 83 GDBVER=$(get_default_gdbserver_version_for_gcc $TOOLCHAIN) 84 fi 85 86 SRC_DIR2="$SRC_DIR/gdb/gdb-$GDBVER/gdb/gdbserver" 87 if [ -d "$SRC_DIR2" ] ; then 88 SRC_DIR="$SRC_DIR2" 89 log "Found gdbserver source directory: $SRC_DIR" 90 fi 91 92 if [ ! -f "$SRC_DIR/gdbreplay.c" ] ; then 93 echo "ERROR: Source directory does not contain gdbserver sources: $SRC_DIR" 94 exit 1 95 fi 96 97 log "Using source directory: $SRC_DIR" 98 99 # Check NDK installation directory 100 # 101 if [ -z "$NDK_DIR" ] ; then 102 echo "ERROR: Missing NDK directory parameter. See --help for details." 103 exit 1 104 fi 105 106 if [ ! -d "$NDK_DIR" ] ; then 107 echo "ERROR: NDK directory does not exist: $NDK_DIR" 108 exit 1 109 fi 110 111 log "Using NDK directory: $NDK_DIR" 112 113 # Check toolchain name 114 # 115 if [ -z "$TOOLCHAIN" ] ; then 116 echo "ERROR: Missing toolchain name parameter. See --help for details." 117 exit 1 118 fi 119} 120 121set_parameters $PARAMETERS 122 123if [ "$PACKAGE_DIR" ]; then 124 mkdir -p "$PACKAGE_DIR" 125 fail_panic "Could not create package directory: $PACKAGE_DIR" 126fi 127 128prepare_target_build 129 130parse_toolchain_name $TOOLCHAIN 131check_toolchain_install $ANDROID_BUILD_TOP/prebuilts/ndk/current $TOOLCHAIN 132 133PLATFORM="android-$LATEST_API_LEVEL" 134 135# Check build directory 136# 137fix_sysroot "$SYSROOT" 138log "Using sysroot: $SYSROOT" 139 140if [ -n "$OPTION_BUILD_OUT" ] ; then 141 BUILD_OUT="$OPTION_BUILD_OUT" 142fi 143log "Using build directory: $BUILD_OUT" 144run rm -rf "$BUILD_OUT" 145run mkdir -p "$BUILD_OUT" 146 147# Copy the sysroot to a temporary build directory 148BUILD_SYSROOT="$BUILD_OUT/sysroot" 149run mkdir -p "$BUILD_SYSROOT" 150run cp -RHL "$SYSROOT"/* "$BUILD_SYSROOT" 151 152LIBDIR=$(get_default_libdir_for_arch $ARCH) 153 154# Remove libthread_db to ensure we use exactly the one we want. 155rm -f $BUILD_SYSROOT/usr/$LIBDIR/libthread_db* 156rm -f $BUILD_SYSROOT/usr/include/thread_db.h 157 158if [ "$NOTHREADS" != "yes" ] ; then 159 # We're going to rebuild libthread_db.o from its source 160 # that is under sources/android/libthread_db and place its header 161 # and object file into the build sysroot. 162 LIBTHREAD_DB_DIR=$ANDROID_NDK_ROOT/sources/android/libthread_db 163 if [ ! -d "$LIBTHREAD_DB_DIR" ] ; then 164 dump "ERROR: Missing directory: $LIBTHREAD_DB_DIR" 165 exit 1 166 fi 167 168 run cp $LIBTHREAD_DB_DIR/thread_db.h $BUILD_SYSROOT/usr/include/ 169 run $TOOLCHAIN_PREFIX-gcc --sysroot=$BUILD_SYSROOT -o $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.o -c $LIBTHREAD_DB_DIR/libthread_db.c 170 run $TOOLCHAIN_PREFIX-ar -rD $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.a $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.o 171 if [ $? != 0 ] ; then 172 dump "ERROR: Could not compile libthread_db.c!" 173 exit 1 174 fi 175fi 176 177log "Using build sysroot: $BUILD_SYSROOT" 178 179# configure the gdbserver build now 180dump "Configure: $TOOLCHAIN gdbserver-$GDBVER build with $PLATFORM" 181 182# This flag is required to link libthread_db statically to our 183# gdbserver binary. Otherwise, the program will try to dlopen() 184# the threads binary, which is not possible since we build a 185# static executable. 186CONFIGURE_FLAGS="--with-libthread-db=$BUILD_SYSROOT/usr/$LIBDIR/libthread_db.a" 187# Disable libinproctrace.so which needs crtbegin_so.o and crtbend_so.o instead of 188# CRTBEGIN/END above. Clean it up and re-enable it in the future. 189CONFIGURE_FLAGS=$CONFIGURE_FLAGS" --disable-inprocess-agent" 190# gdb 7.7 builds with -Werror by default, but they redefine constants such as 191# HWCAP_VFPv3 in a way that's compatible with glibc's headers but not our 192# kernel uapi headers. We should send a patch upstream to add the missing 193# #ifndefs, but for now just build gdbserver without -Werror. 194CONFIGURE_FLAGS=$CONFIGURE_FLAGS" --enable-werror=no" 195 196cd $BUILD_OUT && 197export CC="$TOOLCHAIN_PREFIX-gcc --sysroot=$BUILD_SYSROOT" && 198export AR="$TOOLCHAIN_PREFIX-ar" && 199export RANLIB="$TOOLCHAIN_PREFIX-ranlib" && 200export CFLAGS="-O2 $GDBSERVER_CFLAGS" && 201export LDFLAGS="-static -Wl,-z,nocopyreloc -Wl,--no-undefined" && 202run $SRC_DIR/configure \ 203--host=$GDBSERVER_HOST \ 204$CONFIGURE_FLAGS 205if [ $? != 0 ] ; then 206 dump "Could not configure gdbserver build. See $TMPLOG" 207 exit 1 208fi 209 210# build gdbserver 211dump "Building : $TOOLCHAIN gdbserver." 212cd $BUILD_OUT && 213run make -j$NUM_JOBS 214if [ $? != 0 ] ; then 215 dump "Could not build $TOOLCHAIN gdbserver. Use --verbose to see why." 216 exit 1 217fi 218 219# install gdbserver 220# 221# note that we install it in the toolchain bin directory 222# not in $SYSROOT/usr/bin 223# 224if [ "$NOTHREADS" = "yes" ] ; then 225 DSTFILE="gdbserver-nothreads" 226else 227 DSTFILE="gdbserver" 228fi 229dump "Install : $TOOLCHAIN $DSTFILE." 230INSTALL_DIR=`mktemp -d $TMPDIR/gdbserver.XXXXXX` 231GDBSERVER_SUBDIR="gdbserver-$ARCH" 232DEST=$INSTALL_DIR/$GDBSERVER_SUBDIR 233mkdir -p $DEST && 234run $TOOLCHAIN_PREFIX-objcopy --strip-unneeded $BUILD_OUT/gdbserver $DEST/$DSTFILE 235if [ $? != 0 ] ; then 236 dump "Could not install $DSTFILE. See $TMPLOG" 237 exit 1 238fi 239 240if [ "$PACKAGE_DIR" ]; then 241 make_repo_prop "$INSTALL_DIR/$GDBSERVER_SUBDIR" 242 cp "$SRC_DIR/../../COPYING" "$DEST/NOTICE" 243 fail_panic "Could not copy license file!" 244 245 ARCHIVE=gdbserver-$ARCH.zip 246 dump "Packaging: $ARCHIVE" 247 pack_archive "$PACKAGE_DIR/$ARCHIVE" "$INSTALL_DIR" "$GDBSERVER_SUBDIR" 248fi 249 250log "Cleaning up." 251if [ -z "$OPTION_BUILD_OUT" ] ; then 252 run rm -rf $BUILD_OUT 253fi 254 255dump "Done." 256