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Annotation of src/usr.bin/lorder/lorder.sh.gnm, Revision 1.9

1.1       deraadt     1: #!/bin/sh -
1.9     ! d           2: #      $OpenBSD: lorder.sh.gnm,v 1.8 1998/09/02 06:40:08 deraadt Exp $
1.3       deraadt     3: #      $NetBSD: lorder.sh.gnm,v 1.3 1995/12/20 04:45:11 cgd Exp $
1.1       deraadt     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: # only one argument is a special case, just output the name twice
                     40: case $# in
                     41:        0)
                     42:                echo "usage: lorder file ...";
                     43:                exit ;;
                     44:        1)
                     45:                echo $1 $1;
                     46:                exit ;;
                     47: esac
                     48:
                     49: # temporary files
1.5       deraadt    50: TDIR=/tmp/_lorder$$
                     51: R=$TDIR/reference
                     52: S=$TDIR/symbol
                     53:
                     54: um=`umask`
                     55: umask 022
                     56: if ! mkdir $TDIR ; then
                     57:        echo temporary directory exists $TDIR
                     58:        exit 1
                     59: fi
                     60: umask $um
1.1       deraadt    61:
                     62: # remove temporary files on HUP, INT, QUIT, PIPE, TERM
1.8       deraadt    63: trap "rm -rf $TDIR; trap 2 ; kill -2 $$" 1 2 3 13 15
1.1       deraadt    64:
                     65: # if the line ends in a colon, assume it's the first occurrence of a new
                     66: # object file.  Echo it twice, just to make sure it gets into the output.
                     67: #
                     68: # if the line has " T " or " D " it's a globally defined symbol, put it
                     69: # into the symbol file.
                     70: #
                     71: # if the line has " U " it's a globally undefined symbol, put it into
                     72: # the reference file.
1.9     ! d          73: (for file in "$@" ; do echo "$file:" ; done ; ${NM:-nm} -go "$@") | sed "
1.1       deraadt    74:        /:$/ {
                     75:                s/://
                     76:                s/.*/& &/
                     77:                p
                     78:                d
                     79:        }
1.2       deraadt    80:        / [TDGR] / {
                     81:                s/:.* [TDGR] / /
1.1       deraadt    82:                w $S
                     83:                d
                     84:        }
                     85:        / U / {
                     86:                s/:.* U / /
                     87:                w $R
                     88:        }
                     89:        d
                     90: "
                     91:
                     92: # sort symbols and references on the first field (the symbol)
                     93: # join on that field, and print out the file names.
                     94: sort +1 $R -o $R
                     95: sort +1 $S -o $S
                     96: join -j 2 -o 1.1 2.1 $R $S
1.5       deraadt    97: rm -rf $TDIR