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Diffstat (limited to 'usr.bin/lorder/lorder.sh')
| -rw-r--r-- | usr.bin/lorder/lorder.sh | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/usr.bin/lorder/lorder.sh b/usr.bin/lorder/lorder.sh new file mode 100644 index 000000000000..c6d69b2d1b0b --- /dev/null +++ b/usr.bin/lorder/lorder.sh @@ -0,0 +1,110 @@ +#!/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 |