#!/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 -- $libname' EXIT lib -out:${libname} $@ >/dev/null if [ $? != 0 ]; then echo "Could not create temporary library." >&2 exit 1 fi IFS=' ' # Determine if we're building for x86 or x86_64 and # set the symbol prefix accordingly. prefix="" arch=$(dumpbin -headers ${libname} | tr '\t' ' ' | grep '^ \+.\+machine \+(.\+)' | head -1 | sed -e 's/^ \{1,\}.\{1,\} \{1,\}machine \{1,\}(\(...\)).*/\1/') if [ "${arch}" = "x86" ]; then prefix="_" else if [ "${arch}" != "ARM" ] && [ "${arch}" != "x64" ]; then echo "Unknown machine type." >&2 exit 1 fi fi 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 dump=$(dumpbin -linkermember:1 ${libname}) rm ${libname} IFS=';' list="" for exp in ${regex}; do list="${list}"' '$(echo "${dump}" | sed -e '/public symbols/,$!d' -e '/^ \{1,\}Summary/,$d' -e "s/ \{1,\}${prefix}/ /" -e 's/ \{1,\}/ /g' | tail -n +2 | cut -d' ' -f3 | grep "^${exp}" | sed -e 's/^/ /') done echo "EXPORTS" echo "${list}" | sort | uniq | tail -n +2