1#!/bin/sh - 2# $NetBSD: lorder.sh,v 1.11 2002/05/12 09:01:45 bjh21 Exp $ 3# 4# Copyright (c) 1990, 1993 5# The Regents of the University of California. All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 3. All advertising materials mentioning features or use of this software 16# must display the following acknowledgement: 17# This product includes software developed by the University of 18# California, Berkeley and its contributors. 19# 4. Neither the name of the University nor the names of its contributors 20# may be used to endorse or promote products derived from this software 21# without specific prior written permission. 22# 23# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33# SUCH DAMAGE. 34# 35# @(#)lorder.sh 8.1 (Berkeley) 6/6/93 36# 37 38# If the user has set ${NM} then we use it, otherwise we use 'nm'. 39# We try to find the compiler in the user's path, and if that fails we 40# try to find it in the default path. If we can't find it, we punt. 41# Once we find it, we canonicalize its name and set the path to the 42# default path so that other commands we use are picked properly. 43 44if ! type "${NM:=nm}" > /dev/null 2>&1; then 45 PATH=/bin:/usr/bin 46 export PATH 47 if ! type "${NM}" > /dev/null 2>&1; then 48 echo "lorder: ${NM}: not found" >&2 49 exit 1 50 fi 51fi 52cmd='set `type "${NM}"` ; eval echo \$$#' 53NM=`eval $cmd` 54 55# only one argument is a special case, just output the name twice 56case $# in 57 0) 58 echo "usage: lorder file ..." >&2; 59 exit ;; 60 1) 61 echo $1 $1; 62 exit ;; 63esac 64 65# temporary files 66N=`mktemp /tmp/_nm_.XXXXXX` || exit 1 67R=`mktemp /tmp/_reference_.XXXXXX` || exit 1 68S=`mktemp /tmp/_symbol_.XXXXXX` || exit 1 69 70# remove temporary files on exit 71trap "rm -f $N $R $S; exit 0" 0 72trap "rm -f $N $R $S; exit 1" HUP INT QUIT PIPE TERM 2>/dev/null || \ 73 trap "rm -f $N $R $S; exit 1" 1 2 3 13 15 74 75# if the line ends in a colon, assume it's the first occurrence of a new 76# object file. Echo it twice, just to make sure it gets into the output. 77# 78# if the line has " T " or " D " it's a globally defined symbol, put it 79# into the symbol file. 80# 81# if the line has " U " it's a globally undefined symbol, put it into 82# the reference file. 83(for file in $* ; do echo $file":" ; done ; $NM -go $*) >$N 84sed -ne '/:$/{s/://;s/.*/& &/;p;}' <$N 85sed -ne 's/:.* [TDGR] / /p' <$N >$S 86sed -ne 's/:.* U / /p' <$N >$R 87 88# sort symbols and references on the first field (the symbol) 89# join on that field, and print out the file names. 90sort +1 $R -o $R 91sort +1 $S -o $S 92join -j 2 -o 1.1 2.1 $R $S 93