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#!/bin/sh
# Copyright (c) 2013, Derek Buitenhuis
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# mktemp isn't POSIX, so supply an implementation
mktemp() {
echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
}
if [ $# -lt 2 ]; then
echo "Usage: makedef <version_script> <objects>" >&2
exit 0
fi
vscript=$1
shift
if [ ! -f "$vscript" ]; then
echo "Version script does not exist" >&2
exit 1
fi
for object in "$@"; do
if [ ! -f "$object" ]; then
echo "Object does not exist: ${object}" >&2
exit 1
fi
done
# Create a lib temporarily to dump symbols from.
# It's just much easier to do it this way
libname=$(mktemp -u "library").lib
trap 'rm -f -- $libname' EXIT
if [ -n "$AR" ]; then
$AR rcs ${libname} $@ >/dev/null
else
lib -out:${libname} $@ >/dev/null
fi
if [ $? != 0 ]; then
echo "Could not create temporary library." >&2
exit 1
fi
IFS='
'
prefix="$EXTERN_PREFIX"
started=0
regex="none"
for line in $(cat ${vscript} | tr '\t' ' '); do
# We only care about global symbols
echo "${line}" | grep -q '^ \+global:'
if [ $? = 0 ]; then
started=1
line=$(echo "${line}" | sed -e 's/^ \{1,\}global: *//')
else
echo "${line}" | grep -q '^ \+local:'
if [ $? = 0 ]; then
started=0
fi
fi
if [ ${started} = 0 ]; then
continue
fi
# Handle multiple symbols on one line
IFS=';'
# Work around stupid expansion to filenames
line=$(echo "${line}" | sed -e 's/\*/.\\+/g')
for exp in ${line}; do
# Remove leading and trailing whitespace
exp=$(echo "${exp}" | sed -e 's/^ *//' -e 's/ *$//')
if [ "${regex}" = "none" ]; then
regex="${exp}"
else
regex="${regex};${exp}"
fi
done
IFS='
'
done
if [ -n "$NM" ]; then
# Use eval, since NM="nm -g"
dump=$(eval "$NM --defined-only -g ${libname}" |
grep -v : |
grep -v ^$ |
cut -d' ' -f3 |
sed -e "s/^${prefix}//")
else
dump=$(dumpbin -linkermember:1 ${libname} |
sed -e '/public symbols/,$!d' -e '/^ \{1,\}Summary/,$d' -e "s/ \{1,\}${prefix}/ /" -e 's/ \{1,\}/ /g' |
tail -n +2 |
cut -d' ' -f3)
fi
rm ${libname}
IFS=';'
list=""
for exp in ${regex}; do
list="${list}"'
'$(echo "${dump}" |
grep "^${exp}" |
sed -e 's/^/ /')
done
echo "EXPORTS"
echo "${list}" | sort | uniq | tail -n +2
|
