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1 #!/bin/sh | |
2 | |
3 # Copyright (C) 2002, 2003, 2009 Free Software Foundation, Inc. | |
4 # | |
5 # This file is part of the GNU ISO C++ Library. This library is free | |
6 # software; you can redistribute it and/or modify it under the | |
7 # terms of the GNU General Public License as published by the | |
8 # Free Software Foundation; either version 3, or (at your option) | |
9 # any later version. | |
10 # | |
11 # This library is distributed in the hope that it will be useful, | |
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 # GNU General Public License for more details. | |
15 # | |
16 # You should have received a copy of the GNU General Public License along | |
17 # with this library; see the file COPYING3. If not see | |
18 # <http://www.gnu.org/licenses/>. | |
19 | |
20 | |
21 if test ${#} -lt 2 || test $1 = '--help'; then | |
22 echo "Usage: extract_symvers shared_lib output_file" 1>&2 | |
23 exit 1 | |
24 fi | |
25 | |
26 lib=$1 | |
27 output=$2 | |
28 | |
29 # GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid | |
30 # default line truncation. -W is not supported and truncation did not occur | |
31 # by default before that point. | |
32 readelf="readelf --symbols" | |
33 if readelf --help | grep -- --wide > /dev/null; then | |
34 readelf="$readelf --wide" | |
35 fi | |
36 | |
37 # This avoids weird sorting problems later. | |
38 LC_ALL=C | |
39 export LC_ALL | |
40 LANG=C | |
41 export LANG | |
42 | |
43 tmp=extract.$$ | |
44 | |
45 ${readelf} ${lib} |\ | |
46 sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\ | |
47 egrep -v ' (LOCAL|UND) ' |\ | |
48 awk '{ if ($4 == "FUNC" || $4 == "NOTYPE") | |
49 printf "%s:%s\n", $4, $8; | |
50 else if ($4 == "OBJECT") | |
51 printf "%s:%s:%s\n", $4, $3, $8; | |
52 }' | sort | uniq > $tmp 2>&1 | |
53 # else printf "Huh? What is %s?\n", $8; | |
54 | |
55 | |
56 # I think we'll be doing some more with this file, but for now, dump. | |
57 mv $tmp $output | |
58 | |
59 exit 0 | |
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