1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/webrtc/trunk/build/gdb-add-index Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,47 @@
1.4 +#!/bin/bash
1.5 +# Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.6 +# Use of this source code is governed by a BSD-style license that can be
1.7 +# found in the LICENSE file.
1.8 +#
1.9 +# Saves the gdb index for a given binary and its shared library dependencies.
1.10 +
1.11 +set -e
1.12 +
1.13 +if [[ ! $# == 1 ]]; then
1.14 + echo "Usage: $0 path-to-binary"
1.15 + exit 1
1.16 +fi
1.17 +
1.18 +FILENAME="$1"
1.19 +if [[ ! -f "$FILENAME" ]]; then
1.20 + echo "Path $FILENAME does not exist."
1.21 + exit 1
1.22 +fi
1.23 +
1.24 +# We're good to go! Create temp directory for index files.
1.25 +DIRECTORY=$(mktemp -d)
1.26 +echo "Made temp directory $DIRECTORY."
1.27 +
1.28 +# Always remove directory on exit.
1.29 +trap "{ echo -n Removing temp directory $DIRECTORY...;
1.30 + rm -rf $DIRECTORY; echo done; }" EXIT
1.31 +
1.32 +# Grab all the chromium shared library files.
1.33 +so_files=$(ldd "$FILENAME" 2>/dev/null \
1.34 + | grep $(dirname "$FILENAME") \
1.35 + | sed "s/.*[ \t]\(.*\) (.*/\1/")
1.36 +
1.37 +# Add index to binary and the shared library dependencies.
1.38 +for file in "$FILENAME" $so_files; do
1.39 + basename=$(basename "$file")
1.40 + echo -n "Adding index to $basename..."
1.41 + readelf_out=$(readelf -S "$file")
1.42 + if [[ $readelf_out =~ "gdb_index" ]]; then
1.43 + echo "already contains index. Skipped."
1.44 + else
1.45 + gdb -batch "$file" -ex "save gdb-index $DIRECTORY" -ex "quit"
1.46 + objcopy --add-section .gdb_index="$DIRECTORY"/$basename.gdb-index \
1.47 + --set-section-flags .gdb_index=readonly "$file" "$file"
1.48 + echo "done."
1.49 + fi
1.50 +done
