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- #!/bin/sh -
- # $OpenBSD: lorder.sh,v 1.14 2003/07/02 00:21:16 avsm Exp $
- # $NetBSD: lorder.sh.gnm,v 1.3 1995/12/20 04:45:11 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. 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
- #
-
- # one argument can be optimized: put out the filename twice
- case $# in
- 0)
- echo "usage: lorder file ...";
- exit ;;
- 1)
- echo $1 $1;
- exit ;;
- esac
-
- # temporary files
- R=`mktemp /tmp/_referenceXXXXXXXXXX` || exit 1
- S=`mktemp /tmp/_symbolXXXXXXXXXX` || {
- rm -f ${R}
- exit 1
- }
-
- # remove temporary files on HUP, INT, QUIT, PIPE, TERM
- trap "rm -f $R $S; exit 0" 0
- trap "rm -f $R $S; exit 1" HUP INT QUIT PIPE TERM
-
- # make sure files depend on themselves
- for file in "$@"; do echo "$file $file" ; done
- # if the line has " T ", " D ", " G ", " R ", 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.
- ${NM:-nm} -go "$@" | sed "
- / [TDGR] / {
- s/:.* [TDGR] / /
- 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 (dependencies).
- sort -k 2 $R -o $R
- sort -k 2 $S -o $S
- join -j 2 -o 1.1 2.1 $R $S
- rm -f $R $S
-