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 $0`/prebuilt-common.sh 23 24 PROGRAM_PARAMETERS="<src-dir> <ndk-dir> <toolchain>" 25 26 PROGRAM_DESCRIPTION=\ 27 "Rebuild the gdbserver prebuilt binary for the Android NDK toolchain. 28 29 Where <src-dir> is the location of the gdbserver sources, 30 <ndk-dir> is the top-level NDK installation path and <toolchain> 31 is the name of the toolchain to use (e.g. arm-linux-androideabi-4.8). 32 33 The final binary is placed under: 34 35 <ndk-dir>/toolchains <toolchain>/prebuilt/gdbserver 36 37 NOTE: The --platform option is ignored if --sysroot is used." 38 39 VERBOSE=no 40 41 OPTION_BUILD_OUT= 42 BUILD_OUT=/tmp/ndk-$USER/build/gdbserver 43 register_option "--build-out=<path>" do_build_out "Set temporary build directory" 44 do_build_out () { OPTION_BUILD_OUT="$1"; } 45 46 register_var_option "--platform=<name>" PLATFORM "Target specific platform" 47 48 SYSROOT= 49 register_var_option "--sysroot=<path>" SYSROOT "Specify sysroot directory directly" 50 51 NOTHREADS=no 52 register_var_option "--disable-threads" NOTHREADS "Disable threads support" 53 54 GDB_VERSION= 55 register_var_option "--gdb-version=<name>" GDB_VERSION "Use specific gdb version." 56 57 PACKAGE_DIR= 58 register_var_option "--package-dir=<path>" PACKAGE_DIR "Archive binary into specific directory" 59 60 register_jobs_option 61 62 register_try64_option 63 64 extract_parameters "$@" 65 66 setup_default_log_file 67 68 set_parameters () 69 { 70 SRC_DIR="$1" 71 NDK_DIR="$2" 72 TOOLCHAIN="$3" 73 GDBVER= 74 75 # Check source directory 76 # 77 if [ -z "$SRC_DIR" ] ; then 78 echo "ERROR: Missing source directory parameter. See --help for details." 79 exit 1 80 fi 81 82 if [ -n "$GDB_VERSION" ]; then 83 GDBVER=$GDB_VERSION 84 else 85 GDBVER=$(get_default_gdbserver_version_for_gcc $TOOLCHAIN) 86 fi 87 88 SRC_DIR2="$SRC_DIR/gdb/gdb-$GDBVER/gdb/gdbserver" 89 if [ -d "$SRC_DIR2" ] ; then 90 SRC_DIR="$SRC_DIR2" 91 log "Found gdbserver source directory: $SRC_DIR" 92 fi 93 94 if [ ! -f "$SRC_DIR/gdbreplay.c" ] ; then 95 echo "ERROR: Source directory does not contain gdbserver sources: $SRC_DIR" 96 exit 1 97 fi 98 99 log "Using source directory: $SRC_DIR" 100 101 # Check NDK installation directory 102 # 103 if [ -z "$NDK_DIR" ] ; then 104 echo "ERROR: Missing NDK directory parameter. See --help for details." 105 exit 1 106 fi 107 108 if [ ! -d "$NDK_DIR" ] ; then 109 echo "ERROR: NDK directory does not exist: $NDK_DIR" 110 exit 1 111 fi 112 113 log "Using NDK directory: $NDK_DIR" 114 115 # Check toolchain name 116 # 117 if [ -z "$TOOLCHAIN" ] ; then 118 echo "ERROR: Missing toolchain name parameter. See --help for details." 119 exit 1 120 fi 121 } 122 123 set_parameters $PARAMETERS 124 125 if [ "$PACKAGE_DIR" ]; then 126 mkdir -p "$PACKAGE_DIR" 127 fail_panic "Could not create package directory: $PACKAGE_DIR" 128 fi 129 130 prepare_target_build 131 132 parse_toolchain_name $TOOLCHAIN 133 check_toolchain_install $NDK_DIR $TOOLCHAIN 134 135 if [ -z "$PLATFORM" ]; then 136 PLATFORM="android-"$(get_default_api_level_for_arch $ARCH) 137 fi 138 139 # Check build directory 140 # 141 fix_sysroot "$SYSROOT" 142 log "Using sysroot: $SYSROOT" 143 144 if [ -n "$OPTION_BUILD_OUT" ] ; then 145 BUILD_OUT="$OPTION_BUILD_OUT" 146 fi 147 log "Using build directory: $BUILD_OUT" 148 run rm -rf "$BUILD_OUT" 149 run mkdir -p "$BUILD_OUT" 150 151 # Copy the sysroot to a temporary build directory 152 BUILD_SYSROOT="$BUILD_OUT/sysroot" 153 run mkdir -p "$BUILD_SYSROOT" 154 run cp -RHL "$SYSROOT"/* "$BUILD_SYSROOT" 155 156 LIBDIR=$(get_default_libdir_for_arch $ARCH) 157 158 # Remove libthread_db to ensure we use exactly the one we want. 159 rm -f $BUILD_SYSROOT/usr/$LIBDIR/libthread_db* 160 rm -f $BUILD_SYSROOT/usr/include/thread_db.h 161 162 if [ "$NOTHREADS" != "yes" ] ; then 163 # We're going to rebuild libthread_db.o from its source 164 # that is under sources/android/libthread_db and place its header 165 # and object file into the build sysroot. 166 LIBTHREAD_DB_DIR=$ANDROID_NDK_ROOT/sources/android/libthread_db/gdb-$GDBVER 167 if [ ! -d "$LIBTHREAD_DB_DIR" ] ; then 168 dump "ERROR: Missing directory: $LIBTHREAD_DB_DIR" 169 exit 1 170 fi 171 172 run cp $LIBTHREAD_DB_DIR/thread_db.h $BUILD_SYSROOT/usr/include/ 173 run $TOOLCHAIN_PREFIX-gcc --sysroot=$BUILD_SYSROOT -o $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.o -c $LIBTHREAD_DB_DIR/libthread_db.c 174 run $TOOLCHAIN_PREFIX-ar -rD $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.a $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.o 175 if [ $? != 0 ] ; then 176 dump "ERROR: Could not compile libthread_db.c!" 177 exit 1 178 fi 179 fi 180 181 log "Using build sysroot: $BUILD_SYSROOT" 182 183 # configure the gdbserver build now 184 dump "Configure: $TOOLCHAIN gdbserver-$GDBVER build with $PLATFORM" 185 186 case "$GDBVER" in 187 6.6) 188 CONFIGURE_FLAGS="--with-sysroot=$BUILD_SYSROOT" 189 ;; 190 7.3.x|7.6|7.7) 191 # This flag is required to link libthread_db statically to our 192 # gdbserver binary. Otherwise, the program will try to dlopen() 193 # the threads binary, which is not possible since we build a 194 # static executable. 195 CONFIGURE_FLAGS="--with-libthread-db=$BUILD_SYSROOT/usr/$LIBDIR/libthread_db.a" 196 # Disable libinproctrace.so which needs crtbegin_so.o and crtbend_so.o instead of 197 # CRTBEGIN/END above. Clean it up and re-enable it in the future. 198 CONFIGURE_FLAGS=$CONFIGURE_FLAGS" --disable-inprocess-agent" 199 ;; 200 *) 201 CONFIGURE_FLAGS="" 202 esac 203 204 cd $BUILD_OUT && 205 export CC="$TOOLCHAIN_PREFIX-gcc --sysroot=$BUILD_SYSROOT" && 206 export CFLAGS="-O2 $GDBSERVER_CFLAGS" && 207 export LDFLAGS="-static -Wl,-z,nocopyreloc -Wl,--no-undefined" && 208 run $SRC_DIR/configure \ 209 --host=$GDBSERVER_HOST \ 210 $CONFIGURE_FLAGS 211 if [ $? != 0 ] ; then 212 dump "Could not configure gdbserver build. See $TMPLOG" 213 exit 1 214 fi 215 216 # build gdbserver 217 dump "Building : $TOOLCHAIN gdbserver." 218 cd $BUILD_OUT && 219 run make -j$NUM_JOBS 220 if [ $? != 0 ] ; then 221 dump "Could not build $TOOLCHAIN gdbserver. Use --verbose to see why." 222 exit 1 223 fi 224 225 # install gdbserver 226 # 227 # note that we install it in the toolchain bin directory 228 # not in $SYSROOT/usr/bin 229 # 230 if [ "$NOTHREADS" = "yes" ] ; then 231 DSTFILE="gdbserver-nothreads" 232 else 233 DSTFILE="gdbserver" 234 fi 235 dump "Install : $TOOLCHAIN $DSTFILE." 236 DEST=$ANDROID_NDK_ROOT/prebuilt/android-$ARCH/gdbserver 237 mkdir -p $DEST && 238 run $TOOLCHAIN_PREFIX-objcopy --strip-unneeded $BUILD_OUT/gdbserver $DEST/$DSTFILE 239 if [ $? != 0 ] ; then 240 dump "Could not install $DSTFILE. See $TMPLOG" 241 exit 1 242 fi 243 244 if [ "$PACKAGE_DIR" ]; then 245 ARCHIVE=$ARCH-gdbserver.tar.bz2 246 dump "Packaging: $ARCHIVE" 247 pack_archive "$PACKAGE_DIR/$ARCHIVE" "$ANDROID_NDK_ROOT" "prebuilt/android-$ARCH/gdbserver/$DSTFILE" 248 fi 249 250 log "Cleaning up." 251 if [ -z "$OPTION_BUILD_OUT" ] ; then 252 run rm -rf $BUILD_OUT 253 fi 254 255 dump "Done." 256