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- #!/bin/sh -
- # $OpenBSD: lorder.sh,v 1.7 1997/01/25 21:16:44 deraadt Exp $
- # $NetBSD: lorder.sh,v 1.3 1995/04/24 07:38:52 cgd Exp $
- #
- # Copyright (c) 1990, 1993
- # The Regents of the University of California. All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 3. All advertising materials mentioning features or use of this software
- # must display the following acknowledgement:
- # This product includes software developed by the University of
- # California, Berkeley and its contributors.
- # 4. Neither the name of the University nor the names of its contributors
- # may be used to endorse or promote products derived from this software
- # without specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # @(#)lorder.sh 8.1 (Berkeley) 6/6/93
- #
-
- # only one argument is a special case, just output the name twice
- case $# in
- 0)
- echo "usage: lorder file ...";
- exit ;;
- 1)
- echo $1 $1;
- exit ;;
- esac
-
- # temporary files
- TDIR=/tmp/_lorder$$
- R=$TDIR/reference
- S=$TDIR/symbol
-
- um=`umask`
- umask 022
- if ! mkdir $TDIR ; then
- echo temporary directory exists $TDIR
- exit 1
- fi
- umask $um
-
- # remove temporary files on HUP, INT, QUIT, PIPE, TERM
- trap "rm -rf $TDIR; exit 1" HUP INT QUIT PIPE TERM
-
- # if the line ends in a colon, assume it's the first occurrence of a new
- # object file. Echo it twice, just to make sure it gets into the output.
- #
- # if the line has " T " or " D " it's a globally defined symbol, put it
- # into the symbol file.
- #
- # if the line has " U " it's a globally undefined symbol, put it into
- # the reference file.
- #
- # The awk nastyness is to rearrange the output of GNU nm to be more to the
- # seddery's liking.
- if nm --version 2>/dev/null | grep -q GNU; then
- FILT='BEGIN{FS="[: ]"}{if (seen[$1]) print $0; else print $1 ":"; print $0; seen[$1]=1}'
- else
- FILT='{print $0}'
- fi
-
- ${NM:-nm} -go $* | awk "$FILT" | sed "
- /:$/ {
- s/://
- s/.*/& &/
- p
- d
- }
- / [TD] / {
- s/:.* [TD] / /
- w $S
- d
- }
- / U / {
- s/:.* U / /
- w $R
- }
- d
- "
-
- # sort symbols and references on the first field (the symbol)
- # join on that field, and print out the file names.
- sort -k 2 -o $R $R
- sort -k 2 -o $S $S
- join -j 2 -o 1.1 2.1 $R $S
- rm -rf $TDIR
-