1#!/bin/sh - 2# 3# SPDX-License-Identifier: BSD-3-Clause 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 36# only one argument is a special case, just output the name twice 37case $# in 38 0) 39 echo "usage: lorder file ..."; 40 exit ;; 41 1) 42 echo $1 $1; 43 exit ;; 44esac 45 46# temporary files 47R=$(mktemp -t _reference_) 48S=$(mktemp -t _symbol_) 49NM=${NM:-nm} 50 51# remove temporary files on HUP, INT, QUIT, PIPE, TERM 52trap "rm -f $R $S $T; exit 1" 1 2 3 13 15 53 54# make sure all the files get into the output 55for i in $*; do 56 echo $i $i 57done 58 59# if the line has " [RTDW] " it's a globally defined symbol, put it 60# into the symbol file. 61# 62# if the line has " U " it's a globally undefined symbol, put it into 63# the reference file. 64${NM} ${NMFLAGS} -go $* | sed " 65 / [RTDW] / { 66 s/:.* [RTDW] / / 67 w $S 68 d 69 } 70 / U / { 71 s/:.* U / / 72 w $R 73 } 74 d 75" 76 77export LC_ALL=C 78# eliminate references that can be resolved by the same library. 79if [ $(expr "$*" : '.*\.a[[:>:]]') -ne 0 ]; then 80 sort -u -o $S $S 81 sort -u -o $R $R 82 T=$(mktemp -t _temp_) 83 comm -23 $R $S >$T 84 mv $T $R 85fi 86 87# sort references and symbols on the second field (the symbol), 88# join on that field, and print out the file names. 89sort -k 2 -o $R $R 90sort -k 2 -o $S $S 91join -j 2 -o 1.1 2.1 $R $S 92rm -f $R $S 93