Annotation of src/usr.bin/lorder/lorder.sh, Revision 1.11
1.1 deraadt 1: #!/bin/sh -
1.11 ! pvalchev 2: # $OpenBSD: lorder.sh,v 1.10 1999/05/21 01:24:04 espie Exp $
1.10 espie 3: # $NetBSD: lorder.sh.gnm,v 1.3 1995/12/20 04:45:11 cgd Exp $
1.1 deraadt 4: #
5: # Copyright (c) 1990, 1993
6: # The Regents of the University of California. All rights reserved.
7: #
8: # Redistribution and use in source and binary forms, with or without
9: # modification, are permitted provided that the following conditions
10: # are met:
11: # 1. Redistributions of source code must retain the above copyright
12: # notice, this list of conditions and the following disclaimer.
13: # 2. Redistributions in binary form must reproduce the above copyright
14: # notice, this list of conditions and the following disclaimer in the
15: # documentation and/or other materials provided with the distribution.
16: # 3. All advertising materials mentioning features or use of this software
17: # must display the following acknowledgement:
18: # This product includes software developed by the University of
19: # California, Berkeley and its contributors.
20: # 4. Neither the name of the University nor the names of its contributors
21: # may be used to endorse or promote products derived from this software
22: # without specific prior written permission.
23: #
24: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: # SUCH DAMAGE.
35: #
36: # @(#)lorder.sh 8.1 (Berkeley) 6/6/93
37: #
38:
1.10 espie 39: # one argument can be optimized: put out the filename twice
1.1 deraadt 40: case $# in
41: 0)
42: echo "usage: lorder file ...";
43: exit ;;
44: 1)
45: echo $1 $1;
46: exit ;;
47: esac
48:
49: # temporary files
1.11 ! pvalchev 50: R=`mktemp /tmp/_referenceXXXXXX` || exit 1
! 51: S=`mktemp /tmp/_symbolXXXXXX` || exit 1
1.1 deraadt 52:
53: # remove temporary files on HUP, INT, QUIT, PIPE, TERM
1.11 ! pvalchev 54: trap "rm -f $R $S; exit 0" 0
! 55: trap "rm -f $R $S; exit 1" 1 2 3 13 15
1.1 deraadt 56:
1.10 espie 57: # make sure files depend on themselves
58: for file in "$@"; do echo "$file $file" ; done
59: # if the line has " T ", " D ", " G ", " R ", it's a globally defined
60: # symbol, put it into the symbol file.
1.1 deraadt 61: #
62: # if the line has " U " it's a globally undefined symbol, put it into
63: # the reference file.
1.9 d 64: ${NM:-nm} -go "$@" | sed "
1.10 espie 65: / [TDGR] / {
66: s/:.* [TDGR] / /
1.1 deraadt 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)
1.10 espie 78: # join on that field, and print out the file names (dependencies).
1.1 deraadt 79: sort +1 $R -o $R
80: sort +1 $S -o $S
81: join -j 2 -o 1.1 2.1 $R $S
1.11 ! pvalchev 82: rm -f $R $S