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lorder.sh revision 1.1 
      1 #!/bin/sh -
      2 #
      3 # Copyright (c) 1990 The Regents of the University of California.
      4 # 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	5.3 (Berkeley) 4/12/91
     35 #
     36 
     37 PATH=/bin:/usr/bin
     38 export PATH
     39 
     40 # only one argument is a special case, just output the name twice
     41 case $# in
     42 	0)
     43 		echo "usage: lorder file ...";
     44 		exit ;;
     45 	1)
     46 		echo $1 $1;
     47 		exit ;;
     48 esac
     49 
     50 # temporary files
     51 R=/tmp/_reference_$$
     52 S=/tmp/_symbol_$$
     53 
     54 # remove temporary files on HUP, INT, QUIT, PIPE, TERM
     55 trap "rm -f $R $S; exit 1" 1 2 3 13 15
     56 
     57 # if the line ends in a colon, assume it's the first occurrence of a new
     58 # object file.  Echo it twice, just to make sure it gets into the output.
     59 #
     60 # if the line has " T " or " D " it's a globally defined symbol, put it
     61 # into the symbol file.
     62 #
     63 # if the line has " U " it's a globally undefined symbol, put it into
     64 # the reference file.
     65 nm -go $* | sed "
     66 	/:$/ {
     67 		s/://
     68 		s/.*/& &/
     69 		p
     70 		d
     71 	}
     72 	/ [TD] / {
     73 		s/:.* [TD]//
     74 		w $S
     75 		d
     76 	}
     77 	/ U / {
     78 		s/:.* U//
     79 		w $R
     80 	}
     81 	d
     82 "
     83 
     84 # sort symbols and references on the first field (the symbol)
     85 # join on that field, and print out the file names.
     86 sort +1 $R -o $R
     87 sort +1 $S -o $S
     88 join -j 2 -o 1.1 2.1 $R $S
     89 rm -f $R $S
     90