1#!/bin/sh - 2# $OpenBSD: lorder.sh,v 1.15 2015/07/03 11:43:55 jca Exp $ 3# $NetBSD: lorder.sh.gnm,v 1.3 1995/12/20 04:45:11 cgd Exp $ 4# 5# Copyright (c) 1990, 1993 6# The Regents of the University of California. All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 3. Neither the name of the University nor the names of its contributors 17# may be used to endorse or promote products derived from this software 18# without specific prior written permission. 19# 20# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30# SUCH DAMAGE. 31# 32# @(#)lorder.sh 8.1 (Berkeley) 6/6/93 33# 34 35# one argument can be optimized: put out the filename twice 36case $# in 37 0) 38 echo "usage: lorder file ..."; 39 exit ;; 40 1) 41 echo $1 $1; 42 exit ;; 43esac 44 45# temporary files 46R=`mktemp /tmp/_referenceXXXXXXXXXX` || exit 1 47S=`mktemp /tmp/_symbolXXXXXXXXXX` || { 48 rm -f ${R} 49 exit 1 50} 51 52# remove temporary files on HUP, INT, QUIT, PIPE, TERM 53trap "rm -f $R $S; exit 0" 0 54trap "rm -f $R $S; exit 1" 1 2 3 13 15 55 56# make sure files depend on themselves 57for file in "$@"; do echo "$file $file" ; done 58# if the line has " T ", " D ", " G ", " R ", it's a globally defined 59# symbol, put it into the symbol file. 60# 61# if the line has " U " it's a globally undefined symbol, put it into 62# the reference file. 63${NM:-nm} -go "$@" | sed " 64 / [TDGR] / { 65 s/:.* [TDGR] / / 66 w $S 67 d 68 } 69 / U / { 70 s/:.* U / / 71 w $R 72 } 73 d 74" 75 76# sort symbols and references on the first field (the symbol) 77# join on that field, and print out the file names (dependencies). 78sort -k 2 -o $R $R 79sort -k 2 -o $S $S 80join -j 2 -o 1.1,2.1 $R $S 81rm -f $R $S 82