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 32export LC_CTYPE=C 33export LC_COLLATE=C 34set -e 35 36usage() { 37 echo "usage: lorder file ..." >&2 38 exit 1 39} 40 41while getopts "" opt ; do 42 case $opt in 43 *) 44 usage 45 ;; 46 esac 47done 48shift $(($OPTIND - 1)) 49if [ $# -eq 0 ] ; then 50 usage 51fi 52 53# 54# Create temporary files. 55# 56N=$(mktemp -t _nm_) 57R=$(mktemp -t _reference_) 58S=$(mktemp -t _symbol_) 59T=$(mktemp -t _temp_) 60NM=${NM:-nm} 61 62# 63# Remove temporary files on termination. 64# 65trap "rm -f $N $R $S $T" EXIT 1 2 3 13 15 66 67# 68# A line matching " [RTDW] " indicates that the input defines a symbol 69# with external linkage; put it in the symbol file. 70# 71# A line matching " U " indicates that the input references an 72# undefined symbol; put it in the reference file. 73# 74${NM} ${NMFLAGS} -go "$@" >$N 75sed -e " 76 / [RTDW] / { 77 s/:.* [RTDW] / / 78 w $S 79 d 80 } 81 / U / { 82 s/:.* U / / 83 w $R 84 } 85 d 86" <$N 87 88# 89# Elide entries representing a reference to a symbol from within the 90# library that defines it. 91# 92sort -u -o $S $S 93sort -u -o $R $R 94comm -23 $R $S >$T 95mv $T $R 96 97# 98# Make sure that all inputs get into the output. 99# 100for i ; do 101 echo "$i" "$i" 102done 103 104# 105# Sort references and symbols on the second field (the symbol), join 106# on that field, and print out the file names. 107# 108sort -k 2 -o $R $R 109sort -k 2 -o $S $S 110join -j 2 -o 1.1 -o 2.1 $R $S 111