1#!/bin/sh 2 3# Copyright (c) 2013, Derek Buitenhuis 4# 5# Permission to use, copy, modify, and/or distribute this software for any 6# purpose with or without fee is hereby granted, provided that the above 7# copyright notice and this permission notice appear in all copies. 8# 9# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 17# mktemp isn't POSIX, so supply an implementation 18mktemp() { 19 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$" 20} 21 22if [ $# -lt 2 ]; then 23 echo "Usage: makedef <version_script> <objects>" >&2 24 exit 0 25fi 26 27vscript=$1 28shift 29 30if [ ! -f "$vscript" ]; then 31 echo "Version script does not exist" >&2 32 exit 1 33fi 34 35for object in "$@"; do 36 if [ ! -f "$object" ]; then 37 echo "Object does not exist: ${object}" >&2 38 exit 1 39 fi 40done 41 42# Create a lib temporarily to dump symbols from. 43# It's just much easier to do it this way 44libname=$(mktemp -u "library").lib 45 46trap 'rm -f -- $libname' EXIT 47 48lib -out:${libname} $@ >/dev/null 49if [ $? != 0 ]; then 50 echo "Could not create temporary library." >&2 51 exit 1 52fi 53 54IFS=' 55' 56 57# Determine if we're building for x86 or x86_64 and 58# set the symbol prefix accordingly. 59prefix="" 60arch=$(dumpbin -headers ${libname} | 61 tr '\t' ' ' | 62 grep '^ \+.\+machine \+(.\+)' | 63 head -1 | 64 sed -e 's/^ \{1,\}.\{1,\} \{1,\}machine \{1,\}(\(...\)).*/\1/') 65 66if [ "${arch}" = "x86" ]; then 67 prefix="_" 68else 69 if [ "${arch}" != "ARM" ] && [ "${arch}" != "x64" ]; then 70 echo "Unknown machine type." >&2 71 exit 1 72 fi 73fi 74 75started=0 76regex="none" 77 78for line in $(cat ${vscript} | tr '\t' ' '); do 79 # We only care about global symbols 80 echo "${line}" | grep -q '^ \+global:' 81 if [ $? = 0 ]; then 82 started=1 83 line=$(echo "${line}" | sed -e 's/^ \{1,\}global: *//') 84 else 85 echo "${line}" | grep -q '^ \+local:' 86 if [ $? = 0 ]; then 87 started=0 88 fi 89 fi 90 91 if [ ${started} = 0 ]; then 92 continue 93 fi 94 95 # Handle multiple symbols on one line 96 IFS=';' 97 98 # Work around stupid expansion to filenames 99 line=$(echo "${line}" | sed -e 's/\*/.\\+/g') 100 for exp in ${line}; do 101 # Remove leading and trailing whitespace 102 exp=$(echo "${exp}" | sed -e 's/^ *//' -e 's/ *$//') 103 104 if [ "${regex}" = "none" ]; then 105 regex="${exp}" 106 else 107 regex="${regex};${exp}" 108 fi 109 done 110 111 IFS=' 112' 113done 114 115dump=$(dumpbin -linkermember:1 ${libname}) 116 117rm ${libname} 118 119IFS=';' 120list="" 121for exp in ${regex}; do 122 list="${list}"' 123'$(echo "${dump}" | 124 sed -e '/public symbols/,$!d' -e '/^ \{1,\}Summary/,$d' -e "s/ \{1,\}${prefix}/ /" -e 's/ \{1,\}/ /g' | 125 tail -n +2 | 126 cut -d' ' -f3 | 127 grep "^${exp}" | 128 sed -e 's/^/ /') 129done 130 131echo "EXPORTS" 132echo "${list}" | sort | uniq | tail -n +2 133