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# $FreeBSD$ 35# 36 37# only one argument is a special case, just output the name twice 38case $# in 39 0) 40 echo "usage: lorder file ..."; 41 exit ;; 42 1) 43 echo $1 $1; 44 exit ;; 45esac 46 47# temporary files 48R=$(mktemp -t _reference_) 49S=$(mktemp -t _symbol_) 50NM=${NM:-nm} 51 52# remove temporary files on HUP, INT, QUIT, PIPE, TERM 53trap "rm -f $R $S $T; exit 1" 1 2 3 13 15 54 55# make sure all the files get into the output 56for i in $*; do 57 echo $i $i 58done 59 60# if the line has " [RTDW] " it's a globally defined symbol, put it 61# into the symbol file. 62# 63# if the line has " U " it's a globally undefined symbol, put it into 64# the reference file. 65${NM} ${NMFLAGS} -go $* | sed " 66 / [RTDW] / { 67 s/:.* [RTDW] / / 68 w $S 69 d 70 } 71 / U / { 72 s/:.* U / / 73 w $R 74 } 75 d 76" 77 78export LC_ALL=C 79# eliminate references that can be resolved by the same library. 80if [ $(expr "$*" : '.*\.a[[:>:]]') -ne 0 ]; then 81 sort -u -o $S $S 82 sort -u -o $R $R 83 T=$(mktemp -t _temp_) 84 comm -23 $R $S >$T 85 mv $T $R 86fi 87 88# sort references and symbols on the second field (the symbol), 89# join on that field, and print out the file names. 90sort -k 2 -o $R $R 91sort -k 2 -o $S $S 92join -j 2 -o 1.1 2.1 $R $S 93rm -f $R $S 94