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# only one argument is a special case, just output the name twice 33case $# in 34 0) 35 echo "usage: lorder file ..."; 36 exit ;; 37 1) 38 echo $1 $1; 39 exit ;; 40esac 41 42# temporary files 43R=$(mktemp -t _reference_) 44S=$(mktemp -t _symbol_) 45NM=${NM:-nm} 46 47# remove temporary files on HUP, INT, QUIT, PIPE, TERM 48trap "rm -f $R $S $T; exit 1" 1 2 3 13 15 49 50# make sure all the files get into the output 51for i in $*; do 52 echo $i $i 53done 54 55# if the line has " [RTDW] " it's a globally defined symbol, put it 56# into the symbol file. 57# 58# if the line has " U " it's a globally undefined symbol, put it into 59# the reference file. 60${NM} ${NMFLAGS} -go $* | sed " 61 / [RTDW] / { 62 s/:.* [RTDW] / / 63 w $S 64 d 65 } 66 / U / { 67 s/:.* U / / 68 w $R 69 } 70 d 71" 72 73export LC_ALL=C 74# eliminate references that can be resolved by the same library. 75if [ $(expr "$*" : '.*\.a[[:>:]]') -ne 0 ]; then 76 sort -u -o $S $S 77 sort -u -o $R $R 78 T=$(mktemp -t _temp_) 79 comm -23 $R $S >$T 80 mv $T $R 81fi 82 83# sort references and symbols on the second field (the symbol), 84# join on that field, and print out the file names. 85sort -k 2 -o $R $R 86sort -k 2 -o $S $S 87join -j 2 -o 1.1 2.1 $R $S 88rm -f $R $S 89