|
1 #!/bin/bash |
|
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
|
3 # Use of this source code is governed by a BSD-style license that can be |
|
4 # found in the LICENSE file. |
|
5 # |
|
6 # Saves the gdb index for a given binary and its shared library dependencies. |
|
7 |
|
8 set -e |
|
9 |
|
10 if [[ ! $# == 1 ]]; then |
|
11 echo "Usage: $0 path-to-binary" |
|
12 exit 1 |
|
13 fi |
|
14 |
|
15 FILENAME="$1" |
|
16 if [[ ! -f "$FILENAME" ]]; then |
|
17 echo "Path $FILENAME does not exist." |
|
18 exit 1 |
|
19 fi |
|
20 |
|
21 # We're good to go! Create temp directory for index files. |
|
22 DIRECTORY=$(mktemp -d) |
|
23 echo "Made temp directory $DIRECTORY." |
|
24 |
|
25 # Always remove directory on exit. |
|
26 trap "{ echo -n Removing temp directory $DIRECTORY...; |
|
27 rm -rf $DIRECTORY; echo done; }" EXIT |
|
28 |
|
29 # Grab all the chromium shared library files. |
|
30 so_files=$(ldd "$FILENAME" 2>/dev/null \ |
|
31 | grep $(dirname "$FILENAME") \ |
|
32 | sed "s/.*[ \t]\(.*\) (.*/\1/") |
|
33 |
|
34 # Add index to binary and the shared library dependencies. |
|
35 for file in "$FILENAME" $so_files; do |
|
36 basename=$(basename "$file") |
|
37 echo -n "Adding index to $basename..." |
|
38 readelf_out=$(readelf -S "$file") |
|
39 if [[ $readelf_out =~ "gdb_index" ]]; then |
|
40 echo "already contains index. Skipped." |
|
41 else |
|
42 gdb -batch "$file" -ex "save gdb-index $DIRECTORY" -ex "quit" |
|
43 objcopy --add-section .gdb_index="$DIRECTORY"/$basename.gdb-index \ |
|
44 --set-section-flags .gdb_index=readonly "$file" "$file" |
|
45 echo "done." |
|
46 fi |
|
47 done |