92 lines
3.5 KiB
Bash
92 lines
3.5 KiB
Bash
#!/bin/sh -
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# $NetBSD: lorder.sh,v 1.8 1998/11/09 04:52:44 mycroft Exp $
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#
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# Copyright (c) 1990, 1993
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# The Regents of the University of California. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the University of
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# California, Berkeley and its contributors.
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# 4. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# @(#)lorder.sh 8.1 (Berkeley) 6/6/93
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#
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# If the user has set ${NM} then we use it, otherwise we use 'nm'.
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# We try to find the compiler in the user's path, and if that fails we
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# try to find it in the default path. If we can't find it, we punt.
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# Once we find it, we canonicalize its name and set the path to the
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# default path so that other commands we use are picked properly.
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if ! type "${NM:=nm}" > /dev/null 2>&1; then
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PATH=/bin:/usr/bin
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export PATH
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if ! type "${NM}" > /dev/null 2>&1; then
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echo "lorder: ${NM}: not found"
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exit 1
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fi
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fi
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cmd='set `type "${NM}"` ; eval echo \$$#'
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NM=`eval $cmd`
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# only one argument is a special case, just output the name twice
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case $# in
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0)
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echo "usage: lorder file ...";
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exit ;;
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1)
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echo $1 $1;
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exit ;;
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esac
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# temporary files
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N=/tmp/_nm_$$
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R=/tmp/_reference_$$
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S=/tmp/_symbol_$$
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# remove temporary files on HUP, INT, QUIT, PIPE, TERM
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trap "rm -f $N $R $S; exit 1" 1 2 3 13 15
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# if the line ends in a colon, assume it's the first occurrence of a new
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# object file. Echo it twice, just to make sure it gets into the output.
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#
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# if the line has " T " or " D " it's a globally defined symbol, put it
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# into the symbol file.
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#
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# if the line has " U " it's a globally undefined symbol, put it into
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# the reference file.
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(for file in $* ; do echo $file":" ; done ; $NM -go $*) >$N
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sed -ne '/:$/{s/://;s/.*/& &/;p;}' <$N
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sed -ne 's/:.* [TDGR] / /p' <$N >$S
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sed -ne 's/:.* U / /p' <$N >$R
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# sort symbols and references on the first field (the symbol)
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# join on that field, and print out the file names.
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sort +1 $R -o $R
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sort +1 $S -o $S
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join -j 2 -o 1.1 2.1 $R $S
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rm -f $N $R $S
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