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