usr.bin/lorder/lorder.sh

   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 # $FreeBSD: src/usr.bin/lorder/lorder.sh,v 1.2.6.2 2002/02/23 00:53:44 jhb Exp $
  37 # $DragonFly: src/usr.bin/lorder/lorder.sh,v 1.2 2003/06/17 04:29:28 dillon Exp $
  38 #
  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 $1;
  47                 exit ;;
  48 esac
  49
  50 # temporary files
  51 R=$(mktemp -t _reference_)
  52 S=$(mktemp -t _symbol_)
  53 NM=${NM:-nm}
  54
  55 # remove temporary files on HUP, INT, QUIT, PIPE, TERM
  56 trap "rm -f $R $S; exit 1" 1 2 3 13 15
  57
  58 # make sure all the files get into the output
  59 for i in $*; do
  60         echo $i $i
  61 done
  62
  63 # if the line has " T " or " D " it's a globally defined symbol, put it
  64 # into the symbol file.
  65 #
  66 # if the line has " U " it's a globally undefined symbol, put it into
  67 # the reference file.
  68 ${NM} -go $* | sed "
  69         / [TD] / {
  70                 s/:.* [TD] / /
  71                 w $S
  72                 d
  73         }
  74         / U / {
  75                 s/:.* U / /
  76                 w $R
  77         }
  78         d
  79 "
  80
  81 # sort symbols and references on the first field (the symbol)
  82 # join on that field, and print out the file names.
  83 sort +1 $R -o $R
  84 sort +1 $S -o $S
  85 join -j 2 -o 1.1 2.1 $R $S
  86 rm -f $R $S