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lorder.sh revision 1.4 
      1 #!/bin/sh -
      2 #	$NetBSD: lorder.sh,v 1.4 1997/04/17 06:48:10 thorpej Exp $
      3 #
      4 # Copyright (c) 1990, 1993
      5 #	The Regents of the University of California.  All rights reserved.
      6 #
      7 # Redistribution and use in source and binary forms, with or without
      8 # modification, are permitted provided that the following conditions
      9 # are met:
     10 # 1. Redistributions of source code must retain the above copyright
     11 #    notice, this list of conditions and the following disclaimer.
     12 # 2. Redistributions in binary form must reproduce the above copyright
     13 #    notice, this list of conditions and the following disclaimer in the
     14 #    documentation and/or other materials provided with the distribution.
     15 # 3. All advertising materials mentioning features or use of this software
     16 #    must display the following acknowledgement:
     17 #	This product includes software developed by the University of
     18 #	California, Berkeley and its contributors.
     19 # 4. Neither the name of the University nor the names of its contributors
     20 #    may be used to endorse or promote products derived from this software
     21 #    without specific prior written permission.
     22 #
     23 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33 # SUCH DAMAGE.
     34 #
     35 #	@(#)lorder.sh	8.1 (Berkeley) 6/6/93
     36 #
     37 
     38 PATH=/bin:/usr/bin
     39 export PATH
     40 
     41 # only one argument is a special case, just output the name twice
     42 case $# in
     43 	0)
     44 		echo "usage: lorder file ...";
     45 		exit ;;
     46 	1)
     47 		echo $1 $1;
     48 		exit ;;
     49 esac
     50 
     51 # What to use for "nm"
     52 if [ X$NM = "X" ]; then
     53 	NM="nm"
     54 	export NM
     55 fi
     56 
     57 # temporary files
     58 R=/tmp/_reference_$$
     59 S=/tmp/_symbol_$$
     60 
     61 # remove temporary files on HUP, INT, QUIT, PIPE, TERM
     62 trap "rm -f $R $S; exit 1" 1 2 3 13 15
     63 
     64 # if the line ends in a colon, assume it's the first occurrence of a new
     65 # object file.  Echo it twice, just to make sure it gets into the output.
     66 #
     67 # if the line has " T " or " D " it's a globally defined symbol, put it
     68 # into the symbol file.
     69 #
     70 # if the line has " U " it's a globally undefined symbol, put it into
     71 # the reference file.
     72 (for file in $* ; do echo $file":" ; done ; $NM -go $*) | sed "
     73 	/:$/ {
     74 		s/://
     75 		s/.*/& &/
     76 		p
     77 		d
     78 	}
     79 	/ [TDGR] / {
     80 		s/:.* [TDGR] / /
     81 		w $S
     82 		d
     83 	}
     84 	/ U / {
     85 		s/:.* U / /
     86 		w $R
     87 	}
     88 	d
     89 "
     90 
     91 # sort symbols and references on the first field (the symbol)
     92 # join on that field, and print out the file names.
     93 sort +1 $R -o $R
     94 sort +1 $S -o $S
     95 join -j 2 -o 1.1 2.1 $R $S
     96 rm -f $R $S
     97