68 lines
1.3 KiB
Bash
68 lines
1.3 KiB
Bash
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#!/bin/bash -e
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#
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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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# This script is used to unpack a .a file into object files.
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#
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# Arguments:
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#
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# d - Output directory.
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# a - List of possible locations of the archive.
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# f - List of files to extract.
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#
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while getopts "d:a:f:" flag
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do
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if [ "$flag" = "d" ]; then
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out_dir=$OPTARG
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elif [ "$flag" = "a" ]; then
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lib_files="$OPTARG $lib_files"
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elif [ "$flag" = "f" ]; then
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obj_files="$OPTARG $obj_files"
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fi
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done
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for f in $lib_files; do
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if [ -a $f ]; then
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lib_file=$f
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break
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fi
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done
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if [ -z "$lib_file" ]; then
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echo "Failed to locate a static library."
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false
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exit
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fi
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# Find the appropriate ar to use.
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ar="ar"
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if [ -n "$AR_target" ]; then
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ar=$AR_target
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elif [ -n "$AR" ]; then
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ar=$AR
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fi
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obj_list="$($ar t $lib_file | grep '\.o$')"
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function extract_object {
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for f in $obj_list; do
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filename="${f##*/}"
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if [ -z "$(echo $filename | grep $1)" ]; then
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continue
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fi
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# Only echo this if debugging.
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# echo "Extract $filename from archive to $out_dir/$1."
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$ar p $lib_file $filename > $out_dir/$1
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break
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done
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}
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for f in $obj_files; do
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extract_object $f
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done
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