xref: /freebsd/usr.bin/lorder/lorder.sh (revision 7f3dea244c40159a41ab22da77a434d7c5b5e85a)
1#!/bin/sh -
2#
3# Copyright (c) 1990, 1993
4#	The Regents of the University of California.  All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. All advertising materials mentioning features or use of this software
15#    must display the following acknowledgement:
16#	This product includes software developed by the University of
17#	California, Berkeley and its contributors.
18# 4. Neither the name of the University nor the names of its contributors
19#    may be used to endorse or promote products derived from this software
20#    without specific prior written permission.
21#
22# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32# SUCH DAMAGE.
33#
34#	@(#)lorder.sh	8.1 (Berkeley) 6/6/93
35#
36
37# only one argument is a special case, just output the name twice
38case $# in
39	0)
40		echo "usage: lorder file ...";
41		exit ;;
42	1)
43		echo $1 $1;
44		exit ;;
45esac
46
47# temporary files
48R=/tmp/_reference_$$
49S=/tmp/_symbol_$$
50
51# remove temporary files on HUP, INT, QUIT, PIPE, TERM
52trap "rm -f $R $S; exit 1" 1 2 3 13 15
53
54# make sure all the files get into the output
55for i in $*; do
56	echo $i $i
57done
58
59# if the line has " T " or " D " it's a globally defined symbol, put it
60# into the symbol file.
61#
62# if the line has " U " it's a globally undefined symbol, put it into
63# the reference file.
64nm -go $* | sed "
65	/ [TD] / {
66		s/:.* [TD] / /
67		w $S
68		d
69	}
70	/ U / {
71		s/:.* U / /
72		w $R
73	}
74	d
75"
76
77# sort symbols and references on the first field (the symbol)
78# join on that field, and print out the file names.
79sort +1 $R -o $R
80sort +1 $S -o $S
81join -j 2 -o 1.1 2.1 $R $S
82rm -f $R $S
83