mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-21 18:27:22 +00:00
aedb37dc49
MFC after: 1 week Sponsored by: Klara, Inc. Reviewed by: allanjude Differential Revision: https://reviews.freebsd.org/D44155
111 lines
2.8 KiB
Bash
111 lines
2.8 KiB
Bash
#!/bin/sh -
|
|
#
|
|
# SPDX-License-Identifier: BSD-3-Clause
|
|
#
|
|
# 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. 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.
|
|
|
|
export LC_CTYPE=C
|
|
export LC_COLLATE=C
|
|
set -e
|
|
|
|
usage() {
|
|
echo "usage: lorder file ..." >&2
|
|
exit 1
|
|
}
|
|
|
|
while getopts "" opt ; do
|
|
case $opt in
|
|
*)
|
|
usage
|
|
;;
|
|
esac
|
|
done
|
|
shift $(($OPTIND - 1))
|
|
if [ $# -eq 0 ] ; then
|
|
usage
|
|
fi
|
|
|
|
#
|
|
# Create temporary files.
|
|
#
|
|
N=$(mktemp -t _nm_)
|
|
R=$(mktemp -t _reference_)
|
|
S=$(mktemp -t _symbol_)
|
|
T=$(mktemp -t _temp_)
|
|
NM=${NM:-nm}
|
|
|
|
#
|
|
# Remove temporary files on termination.
|
|
#
|
|
trap "rm -f $N $R $S $T" EXIT 1 2 3 13 15
|
|
|
|
#
|
|
# A line matching " [RTDW] " indicates that the input defines a symbol
|
|
# with external linkage; put it in the symbol file.
|
|
#
|
|
# A line matching " U " indicates that the input references an
|
|
# undefined symbol; put it in the reference file.
|
|
#
|
|
${NM} ${NMFLAGS} -go "$@" >$N
|
|
sed -e "
|
|
/ [RTDW] / {
|
|
s/:.* [RTDW] / /
|
|
w $S
|
|
d
|
|
}
|
|
/ U / {
|
|
s/:.* U / /
|
|
w $R
|
|
}
|
|
d
|
|
" <$N
|
|
|
|
#
|
|
# Elide entries representing a reference to a symbol from within the
|
|
# library that defines it.
|
|
#
|
|
sort -u -o $S $S
|
|
sort -u -o $R $R
|
|
comm -23 $R $S >$T
|
|
mv $T $R
|
|
|
|
#
|
|
# Make sure that all inputs get into the output.
|
|
#
|
|
for i ; do
|
|
echo "$i" "$i"
|
|
done
|
|
|
|
#
|
|
# Sort references and symbols on the second field (the symbol), join
|
|
# on that field, and print out the file names.
|
|
#
|
|
sort -k 2 -o $R $R
|
|
sort -k 2 -o $S $S
|
|
join -j 2 -o 1.1 -o 2.1 $R $S
|