48 lines
1.3 KiB
Bash
Executable File
48 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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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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# Saves the gdb index for a given binary and its shared library dependencies.
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set -e
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if [[ ! $# == 1 ]]; then
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echo "Usage: $0 path-to-binary"
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exit 1
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fi
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FILENAME="$1"
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if [[ ! -f "$FILENAME" ]]; then
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echo "Path $FILENAME does not exist."
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exit 1
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fi
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# We're good to go! Create temp directory for index files.
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DIRECTORY=$(mktemp -d)
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echo "Made temp directory $DIRECTORY."
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# Always remove directory on exit.
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trap "{ echo -n Removing temp directory $DIRECTORY...;
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rm -rf $DIRECTORY; echo done; }" EXIT
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# Grab all the chromium shared library files.
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so_files=$(ldd "$FILENAME" 2>/dev/null \
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| grep $(dirname "$FILENAME") \
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| sed "s/.*[ \t]\(.*\) (.*/\1/")
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# Add index to binary and the shared library dependencies.
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for file in "$FILENAME" $so_files; do
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basename=$(basename "$file")
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echo -n "Adding index to $basename..."
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readelf_out=$(readelf -S "$file")
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if [[ $readelf_out =~ "gdb_index" ]]; then
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echo "already contains index. Skipped."
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else
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gdb -batch "$file" -ex "save gdb-index $DIRECTORY" -ex "quit"
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objcopy --add-section .gdb_index="$DIRECTORY"/$basename.gdb-index \
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--set-section-flags .gdb_index=readonly "$file" "$file"
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echo "done."
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fi
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done
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