1#!/bin/sh - 2# $NetBSD: lorder.sh,v 1.12 2002/09/14 05:00:58 thorpej 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 ${NM} then we use it, otherwise we use 'nm'. 39# We try to find the compiler in the user's path, and if that fails we 40# try to find it in the default path. If we can't find it, we punt. 41# Once we find it, we canonicalize its name and set the path to the 42# default path so that other commands we use are picked properly. 43 44if [ "x${NM}" = "x" ]; then 45 NM=nm 46fi 47if ! type "${NM}" > /dev/null 2>&1; then 48 PATH=/bin:/usr/bin 49 export PATH 50 if ! type "${NM}" > /dev/null 2>&1; then 51 echo "lorder: ${NM}: not found" >&2 52 exit 1 53 fi 54fi 55cmd='set `type "${NM}"` ; eval echo \$$#' 56NM=`eval $cmd` 57 58if [ "x${MKTEMP}" = "x" ]; then 59 MKTEMP=mktemp 60fi 61if ! type "${MKTEMP}" > /dev/null 2>&1; then 62 PATH=/bin:/usr/bin 63 export PATH 64 if ! type "${MKTEMP}" > /dev/null 2>&1; then 65 echo "lorder: ${MKTEMP}: not found" >&2 66 exit 1 67 fi 68fi 69cmd='set `type "${MKTEMP}"` ; eval echo \$$#' 70MKTEMP=`eval $cmd` 71 72# only one argument is a special case, just output the name twice 73case $# in 74 0) 75 echo "usage: lorder file ..." >&2; 76 exit ;; 77 1) 78 echo $1 $1; 79 exit ;; 80esac 81 82# temporary files 83N=`${MKTEMP} /tmp/_nm_.XXXXXX` || exit 1 84R=`${MKTEMP} /tmp/_reference_.XXXXXX` || exit 1 85S=`${MKTEMP} /tmp/_symbol_.XXXXXX` || exit 1 86 87# remove temporary files on exit 88trap "rm -f $N $R $S; exit 0" 0 89trap "rm -f $N $R $S; exit 1" HUP INT QUIT PIPE TERM 2>/dev/null || \ 90 trap "rm -f $N $R $S; exit 1" 1 2 3 13 15 91 92# if the line ends in a colon, assume it's the first occurrence of a new 93# object file. Echo it twice, just to make sure it gets into the output. 94# 95# if the line has " T " or " D " it's a globally defined symbol, put it 96# into the symbol file. 97# 98# if the line has " U " it's a globally undefined symbol, put it into 99# the reference file. 100(for file in $* ; do echo $file":" ; done ; $NM -go $*) >$N 101sed -ne '/:$/{s/://;s/.*/& &/;p;}' <$N 102sed -ne 's/:.* [TDGR] / /p' <$N >$S 103sed -ne 's/:.* U / /p' <$N >$R 104 105# sort symbols and references on the first field (the symbol) 106# join on that field, and print out the file names. 107sort +1 $R -o $R 108sort +1 $S -o $S 109join -j 2 -o 1.1 2.1 $R $S 110