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. Neither the name of the University nor the names of its contributors
  15 #    may be used to endorse or promote products derived from this software
  16 #    without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28 # SUCH DAMAGE.
  29 #
  30 #       @(#)lorder.sh   8.1 (Berkeley) 6/6/93
  31 #
  32 # $FreeBSD: src/usr.bin/lorder/lorder.sh,v 1.2.6.2 2002/02/23 00:53:44 jhb Exp $
  33 # $DragonFly: src/usr.bin/lorder/lorder.sh,v 1.2 2003/06/17 04:29:28 dillon Exp $
  34 #
  35
  36 # only one argument is a special case, just output the name twice
  37 case $# in
  38         0)
  39                 echo "usage: lorder file ...";
  40                 exit ;;
  41         1)
  42                 echo $1 $1;
  43                 exit ;;
  44 esac
  45
  46 # temporary files
  47 R=$(mktemp -t _reference_)
  48 S=$(mktemp -t _symbol_)
  49 NM=${NM:-nm}
  50
  51 # remove temporary files on HUP, INT, QUIT, PIPE, TERM
  52 trap "rm -f $R $S; exit 1" 1 2 3 13 15
  53
  54 # make sure all the files get into the output
  55 for i in $*; do
  56         echo $i $i
  57 done
  58
  59 # if the line has " T " or " D " it's a globally defined symbol, put it
  60 # into the symbol file.
  61 #
  62 # if the line has " U " it's a globally undefined symbol, put it into
  63 # the reference file.
  64 ${NM} -go $* | sed "
  65         / [TD] / {
  66                 s/:.* [TD] / /
  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)
  78 # join on that field, and print out the file names.
  79 sort +1 $R -o $R
  80 sort +1 $S -o $S
  81 join -j 2 -o 1.1 2.1 $R $S
  82 rm -f $R $S