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#!/bin/sh -
#
# Copyright (c) 1990, 1993
# The Regents of the University of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the University of
# California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @(#)lorder.sh 8.1 (Berkeley) 6/6/93
#
PATH=/bin:/usr/bin
export PATH
# only one argument is a special case, just output the name twice
case $# in
0)
echo "usage: lorder file ...";
exit ;;
1)
echo $1 $1;
exit ;;
esac
# temporary files
R=/tmp/_reference_$$
S=/tmp/_symbol_$$
# remove temporary files on HUP, INT, QUIT, PIPE, TERM
trap "rm -f $R $S; exit 1" 1 2 3 13 15
# Debian-specific addition: pre-create the files in /tmp so we can't be
# attacked.
dotmp()
{
if tempfile -n $1 >/dev/null; then
:
else
echo "$0: can't pre-create $1; possible attack?"
exit 1
fi
}
dotmp $R
dotmp $S
# if the line ends in a colon, assume it's the first occurrence of a new
# object file. Echo it twice, just to make sure it gets into the output.
#
# if the line has " T " or " D " it's a globally defined symbol, put it
# into the symbol file.
#
# if the line has " U " it's a globally undefined symbol, put it into
# the reference file.
#
# The awk nastyness is to rearrange the output of GNU nm to be more to the
# seddery's liking.
if nm --version 2>/dev/null | grep -q GNU; then
FILT='BEGIN{FS="[: ]"}{if (seen[$1]) print $0; else print $1 ":"; print $0; seen[$1]=1}'
else
FILT='{print $0}'
fi
nm -go $* | awk "$FILT" | sed "
/:$/ {
s/://
s/.*/& &/
p
d
}
/ [TD] / {
s/:.* [TD] / /
w $S
d
}
/ U / {
s/:.* U / /
w $R
}
d
"
# sort symbols and references on the first field (the symbol)
# join on that field, and print out the file names.
sort +1 $R -o $R
sort +1 $S -o $S
join -j 2 -o 1.1 2.1 $R $S
rm -f $R $S
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