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lorder.sh revision 1.2 
      1 #!/bin/sh -
      2 #
      3 #	$NetBSD: lorder.sh,v 1.2 1994/12/23 01:14:01 jtc Exp $
      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 
     39 PATH=/bin:/usr/bin
     40 export PATH
     41 
     42 # only one argument is a special case, just output the name twice
     43 case $# in
     44 	0)
     45 		echo "usage: lorder file ...";
     46 		exit ;;
     47 	1)
     48 		echo $1 $1;
     49 		exit ;;
     50 esac
     51 
     52 # temporary files
     53 R=/tmp/_reference_$$
     54 S=/tmp/_symbol_$$
     55 
     56 # remove temporary files on HUP, INT, QUIT, PIPE, TERM
     57 trap "rm -f $R $S; exit 1" 1 2 3 13 15
     58 
     59 # if the line ends in a colon, assume it's the first occurrence of a new
     60 # object file.  Echo it twice, just to make sure it gets into the output.
     61 #
     62 # if the line has " T " or " D " it's a globally defined symbol, put it
     63 # into the symbol file.
     64 #
     65 # if the line has " U " it's a globally undefined symbol, put it into
     66 # the reference file.
     67 nm -go $* | sed "
     68 	/:$/ {
     69 		s/://
     70 		s/.*/& &/
     71 		p
     72 		d
     73 	}
     74 	/ [TD] / {
     75 		s/:.* [TD] / /
     76 		w $S
     77 		d
     78 	}
     79 	/ U / {
     80 		s/:.* U / /
     81 		w $R
     82 	}
     83 	d
     84 "
     85 
     86 # sort symbols and references on the first field (the symbol)
     87 # join on that field, and print out the file names.
     88 sort +1 $R -o $R
     89 sort +1 $S -o $S
     90 join -j 2 -o 1.1 2.1 $R $S
     91 rm -f $R $S
     92