1#! /bin/sh -f 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22# Copyright (c) 1989 AT&T 23# All Rights Reserved 24# 25# Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved. 26# 27 28# COMMON LORDER 29# 30# 31if [ -z "$TMPDIR" ] 32then 33 TDIR="/tmp" 34else 35 TDIR=$TMPDIR 36fi 37trap "rm -f $TDIR/$$symdef $TDIR/$$symref $TDIR/$$tmp; exit" 1 2 13 15 38PFX= 39WHERE=/usr/bin 40 41USAGE="Usage: ${PFX}lorder file ..." 42for i in "$@" 43do 44 case "$i" in 45 -*) echo "$USAGE"; 46 exit 2;; 47 esac 48 49 if [ ! -r "$i" ] 50 then 51 echo "${PFX}lorder: $i: cannot open" 52 exit 2; 53 fi 54done 55 56case $# in 570) echo "$USAGE" 58 exit 2;; 591) case $1 in 60 *.o) set $1 $1 61 esac 62esac 63 64# The following sed script is commented here. 65# The first three expressions in the sed script 66# insures that we only have lines 67# that contain file names and the external 68# declarations associated with each file. 69# The next two parts of the sed script put the pattern 70# (in this case the file name) into the hold space 71# and creates the "filename filename" lines and 72# writes them out. The first part is for .o files, 73# the second is for .o's in archives. 74# The last 2 sections of code are exactly alike but 75# they handle different external symbols, namely the 76# symbols that are defined in the text section, data section, bss 77# section or common symbols and symbols 78# that are referenced but not defined in this file. 79# A line containing the symbol (from the pattern space) and 80# the file it is referenced in (from the hold space) is 81# put into the pattern space. 82# If its text, data, bss or common it is written out to the 83# symbol definition (symdef) file, otherwise it was referenced 84# but not declared in this file so it is written out to the 85# symbol referenced (symref) file. 86# 87# 88${WHERE}/${PFX}nm -p $* 2>$TDIR/$$tmp | sed -e '/^[ ]*$/d' -e ' 89 /^[0-9]* R $/d 90 / [[:lower:]FLS] /d 91 /[^]]:$/{ 92 s/:// 93 h 94 s/.*/& &/ 95 p 96 d 97 } 98 /]:$/{ 99 s/]:// 100 s/^.*\[// 101 h 102 s/.*/& &/ 103 p 104 d 105 } 106 / [TDBNCAR] /{ 107 s/^.* [TDBNCAR] // 108 G 109 s/\n/ / 110 w '$TDIR/$$symdef' 111 d 112 } 113 / U /{ 114 s/^.* U // 115 G 116 s/\n/ / 117 w '$TDIR/$$symref' 118 d 119 } 120' 121if [ -s $TDIR/$$tmp ] 122then 123 sed -e "s/^${PFX}nm:/${PFX}lorder:/" < $TDIR/$$tmp >&2 124 rm -f $TDIR/$$symdef $TDIR/$$symref $TDIR/$$tmp 125 exit 1 126fi 127sort $TDIR/$$symdef -o $TDIR/$$symdef 128sort $TDIR/$$symref -o $TDIR/$$symref 129join $TDIR/$$symref $TDIR/$$symdef | sed 's/[^ ]* *//' 130rm -f $TDIR/$$symdef $TDIR/$$symref $TDIR/$$tmp 131