| #!/bin/sh |
| |
| # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| # Copyright (C) 2010 Free Software Foundation, Inc. |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # This is a modification of gdb-add-index that recursively adds an index |
| # to the shared libraries dependencies from the same build. |
| |
| target="$1" |
| target_dir="${target%/*}" |
| |
| OLDIFS=$IFS |
| IFS=$'\n' |
| |
| shared_libraries=$( |
| ldd -d "$target" | grep "$target_dir" | cut -d '>' -f2 | cut -d ' ' -f2 |
| ) |
| |
| # This function is basically the RedHat's gdb-add-index script and is why |
| # we have the FSF copyright above. |
| function index_one_file { |
| local file="$1" |
| local dir="${file%/*}" |
| |
| # We don't care if gdb gives an error. |
| gdb -nx --batch-silent -ex "file $file" -ex "save gdb-index $dir" |
| |
| if test -f "${file}.gdb-index"; then |
| objcopy --add-section .gdb_index="${file}.gdb-index" --set-section-flags \ |
| .gdb_index=readonly "$file" "$file" |
| rm -f "${file}.gdb-index" |
| fi |
| } |
| |
| function maybe_index { |
| readelf -e "$1" | grep '.gdb_index' > /dev/null 2>&1 |
| if [[ "$?" != 0 ]]; then |
| echo "Adding .gdb_index to $1" |
| index_one_file "$1" |
| else |
| echo "Skipping $1 (already has .gdb_index)" |
| fi |
| } |
| |
| maybe_index "$target" |
| for lib in $shared_libraries; do |
| maybe_index "$lib" |
| done |