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 $0`/prebuilt-common.sh 23 24 PROGRAM_PARAMETERS="<src-dir> <ndk-dir> <toolchain>" 25 26 PROGRAM_DESCRIPTION=\ 27 "Rebuild the gdbserver prebuilt binary for the Android NDK toolchain. 28 29 Where <src-dir> is the location of the gdbserver sources, 30 <ndk-dir> is the top-level NDK installation path and <toolchain> 31 is the name of the toolchain to use (e.g. arm-linux-androideabi-4.6). 32 33 The final binary is placed under: 34 35 <ndk-dir>/toolchains <toolchain>/prebuilt/gdbserver 36 37 NOTE: The --platform option is ignored if --sysroot is used." 38 39 VERBOSE=no 40 41 OPTION_BUILD_OUT= 42 BUILD_OUT=/tmp/ndk-$USER/build/gdbserver 43 register_option "--build-out=<path>" do_build_out "Set temporary build directory" 44 do_build_out () { OPTION_BUILD_OUT="$1"; } 45 46 register_var_option "--platform=<name>" PLATFORM "Target specific platform" 47 48 SYSROOT= 49 register_var_option "--sysroot=<path>" SYSROOT "Specify sysroot directory directly" 50 51 NOTHREADS=no 52 register_var_option "--disable-threads" NOTHREADS "Disable threads support" 53 54 GDB_VERSION= 55 register_var_option "--gdb-version=<name>" GDB_VERSION "Use specific gdb version." 56 57 PACKAGE_DIR= 58 register_var_option "--package-dir=<path>" PACKAGE_DIR "Archive binary into specific directory" 59 60 register_jobs_option 61 62 extract_parameters "$@" 63 64 setup_default_log_file 65 66 set_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 } 120 121 set_parameters $PARAMETERS 122 123 if [ "$PACKAGE_DIR" ]; then 124 mkdir -p "$PACKAGE_DIR" 125 fail_panic "Could not create package directory: $PACKAGE_DIR" 126 fi 127 128 prepare_target_build 129 130 parse_toolchain_name $TOOLCHAIN 131 check_toolchain_install $NDK_DIR $TOOLCHAIN 132 133 if [ -z "$PLATFORM" ]; then 134 PLATFORM="android-"$(get_default_api_level_for_arch $ARCH) 135 fi 136 137 # Check build directory 138 # 139 fix_sysroot "$SYSROOT" 140 log "Using sysroot: $SYSROOT" 141 142 if [ -n "$OPTION_BUILD_OUT" ] ; then 143 BUILD_OUT="$OPTION_BUILD_OUT" 144 fi 145 log "Using build directory: $BUILD_OUT" 146 run rm -rf "$BUILD_OUT" 147 run mkdir -p "$BUILD_OUT" 148 149 # Copy the sysroot to a temporary build directory 150 BUILD_SYSROOT="$BUILD_OUT/sysroot" 151 run mkdir -p "$BUILD_SYSROOT" 152 run cp -RHL "$SYSROOT"/* "$BUILD_SYSROOT" 153 154 LIBDIR=$(get_default_libdir_for_arch $ARCH) 155 156 # Remove libthread_db to ensure we use exactly the one we want. 157 rm -f $BUILD_SYSROOT/usr/$LIBDIR/libthread_db* 158 rm -f $BUILD_SYSROOT/usr/include/thread_db.h 159 160 if [ "$NOTHREADS" != "yes" ] ; then 161 # We're going to rebuild libthread_db.o from its source 162 # that is under sources/android/libthread_db and place its header 163 # and object file into the build sysroot. 164 LIBTHREAD_DB_DIR=$ANDROID_NDK_ROOT/sources/android/libthread_db/gdb-$GDBVER 165 if [ ! -d "$LIBTHREAD_DB_DIR" ] ; then 166 dump "ERROR: Missing directory: $LIBTHREAD_DB_DIR" 167 exit 1 168 fi 169 # Small trick, to avoid calling ar, we store the single object file 170 # with an .a suffix. The linker will handle that seamlessly. 171 run cp $LIBTHREAD_DB_DIR/thread_db.h $BUILD_SYSROOT/usr/include/ 172 run $TOOLCHAIN_PREFIX-gcc --sysroot=$BUILD_SYSROOT -o $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.o -c $LIBTHREAD_DB_DIR/libthread_db.c 173 run $TOOLCHAIN_PREFIX-ar -rD $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.a $BUILD_SYSROOT/usr/$LIBDIR/libthread_db.o 174 if [ $? != 0 ] ; then 175 dump "ERROR: Could not compile libthread_db.c!" 176 exit 1 177 fi 178 fi 179 180 log "Using build sysroot: $BUILD_SYSROOT" 181 182 # configure the gdbserver build now 183 dump "Configure: $TOOLCHAIN gdbserver-$GDBVER build." 184 185 case "$GDBVER" in 186 6.6) 187 CONFIGURE_FLAGS="--with-sysroot=$BUILD_SYSROOT" 188 ;; 189 7.3.x) 190 # This flag is required to link libthread_db statically to our 191 # gdbserver binary. Otherwise, the program will try to dlopen() 192 # the threads binary, which is not possible since we build a 193 # static executable. 194 CONFIGURE_FLAGS="--with-libthread-db=$BUILD_SYSROOT/usr/$LIBDIR/libthread_db.a" 195 # Disable libinproctrace.so which needs crtbegin_so.o and crtbend_so.o instead of 196 # CRTBEGIN/END above. Clean it up and re-enable it in the future. 197 CONFIGURE_FLAGS=$CONFIGURE_FLAGS" --disable-inprocess-agent" 198 ;; 199 7.6) 200 CONFIGURE_FLAGS="--with-libthread-db=$BUILD_SYSROOT/usr/$LIBDIR/libthread_db.a" 201 CONFIGURE_FLAGS=$CONFIGURE_FLAGS" --disable-inprocess-agent" 202 ;; 203 *) 204 CONFIGURE_FLAGS="" 205 esac 206 207 cd $BUILD_OUT && 208 export CC="$TOOLCHAIN_PREFIX-gcc --sysroot=$BUILD_SYSROOT" && 209 export CFLAGS="-O2 $GDBSERVER_CFLAGS" && 210 export LDFLAGS="-static -Wl,-z,nocopyreloc -Wl,--no-undefined" && 211 run $SRC_DIR/configure \ 212 --host=$GDBSERVER_HOST \ 213 $CONFIGURE_FLAGS 214 if [ $? != 0 ] ; then 215 dump "Could not configure gdbserver build. See $TMPLOG" 216 exit 1 217 fi 218 219 # build gdbserver 220 dump "Building : $TOOLCHAIN gdbserver." 221 cd $BUILD_OUT && 222 run make -j$NUM_JOBS 223 if [ $? != 0 ] ; then 224 dump "Could not build $TOOLCHAIN gdbserver. Use --verbose to see why." 225 exit 1 226 fi 227 228 # install gdbserver 229 # 230 # note that we install it in the toolchain bin directory 231 # not in $SYSROOT/usr/bin 232 # 233 if [ "$NOTHREADS" = "yes" ] ; then 234 DSTFILE="gdbserver-nothreads" 235 else 236 DSTFILE="gdbserver" 237 fi 238 dump "Install : $TOOLCHAIN $DSTFILE." 239 DEST=$ANDROID_NDK_ROOT/prebuilt/android-$ARCH/gdbserver 240 mkdir -p $DEST && 241 run $TOOLCHAIN_PREFIX-objcopy --strip-unneeded $BUILD_OUT/gdbserver $DEST/$DSTFILE 242 if [ $? != 0 ] ; then 243 dump "Could not install $DSTFILE. See $TMPLOG" 244 exit 1 245 fi 246 247 if [ "$PACKAGE_DIR" ]; then 248 ARCHIVE=$ARCH-gdbserver.tar.bz2 249 dump "Packaging: $ARCHIVE" 250 pack_archive "$PACKAGE_DIR/$ARCHIVE" "$ANDROID_NDK_ROOT" "prebuilt/android-$ARCH/gdbserver/$DSTFILE" 251 fi 252 253 log "Cleaning up." 254 if [ -z "$OPTION_BUILD_OUT" ] ; then 255 run rm -rf $BUILD_OUT 256 fi 257 258 dump "Done." 259
