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1 | #!/bin/sh |
2 | ||
3 | # Copyright (C) 2002 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 2, 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 COPYING. If not, write to the Free | |
18 | # Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | # USA. | |
20 | # | |
21 | # As a special exception, you may use this file as part of a free software | |
22 | # library without restriction. Specifically, if other files instantiate | |
23 | # templates or use macros or inline functions from this file, or you compile | |
24 | # this file and link it with other files to produce an executable, this | |
25 | # file does not by itself cause the resulting executable to be covered by | |
26 | # the GNU General Public License. This exception does not however | |
27 | # invalidate any other reasons why the executable file might be covered by | |
28 | # the GNU General Public License. | |
29 | ||
30 | ||
31 | if test ${#} -lt 2 || test $1 = '--help'; then | |
32 | echo "Usage: extract_symvers shared_lib output_file" 1>&2 | |
33 | exit 1 | |
34 | fi | |
35 | ||
36 | lib=$1 | |
37 | output=$2 | |
38 | ||
39 | # GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid | |
40 | # default line truncation. -W is not supported and truncation did not occur | |
41 | # by default before that point. | |
42 | readelf="readelf --symbols" | |
43 | if readelf --help | grep -- --wide > /dev/null; then | |
44 | readelf="$readelf --wide" | |
45 | fi | |
46 | ||
47 | # This avoids weird sorting problems later. | |
48 | export LC_ALL=C | |
49 | ||
50 | tmp=extract.$$ | |
51 | ||
52 | ${readelf} ${lib} | sed '/\.dynsym/,/^$/p;d' | egrep -v ' (LOCAL|UND) ' |\ | |
53 | awk '{ if ($4 == "FUNC" || $4 == "NOTYPE") | |
54 | printf "%s:%s\n", $4, $8; | |
55 | else if ($4 == "OBJECT") | |
56 | printf "%s:%s:%s\n", $4, $3, $8; | |
57 | }' | sort | uniq > $tmp 2>&1 | |
58 | # else printf "Huh? What is %s?\n", $8; | |
59 | ||
60 | ||
61 | # I think we'll be doing some more with this file, but for now, dump. | |
62 | mv $tmp $output | |
63 | ||
64 | exit 0 |