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 -- $libname' EXIT 47 48if [ -n "$AR" ]; then 49 $AR rcs ${libname} $@ >/dev/null 50else 51 lib.exe -out:${libname} $@ >/dev/null 52fi 53if [ $? != 0 ]; then 54 echo "Could not create temporary library." >&2 55 exit 1 56fi 57 58IFS=' 59' 60 61prefix="$EXTERN_PREFIX" 62 63started=0 64regex="none" 65 66for line in $(cat ${vscript} | tr '\t' ' '); do 67 # We only care about global symbols 68 echo "${line}" | grep -q '^ \+global:' 69 if [ $? = 0 ]; then 70 started=1 71 line=$(echo "${line}" | sed -e 's/^ \{1,\}global: *//') 72 else 73 echo "${line}" | grep -q '^ \+local:' 74 if [ $? = 0 ]; then 75 started=0 76 fi 77 fi 78 79 if [ ${started} = 0 ]; then 80 continue 81 fi 82 83 # Handle multiple symbols on one line 84 IFS=';' 85 86 # Work around stupid expansion to filenames 87 line=$(echo "${line}" | sed -e 's/\*/.\\+/g') 88 for exp in ${line}; do 89 # Remove leading and trailing whitespace 90 exp=$(echo "${exp}" | sed -e 's/^ *//' -e 's/ *$//') 91 92 if [ "${regex}" = "none" ]; then 93 regex="${exp}" 94 else 95 regex="${regex};${exp}" 96 fi 97 done 98 99 IFS=' 100' 101done 102 103if [ -n "$NM" ]; then 104 # Use eval, since NM="nm -g" 105 dump=$(eval "$NM --defined-only -g ${libname}" | 106 grep -v : | 107 grep -v ^$ | 108 cut -d' ' -f3 | 109 sed -e "s/^${prefix}//") 110else 111 dump=$(dumpbin.exe -linkermember:1 ${libname} | 112 sed -e '/public symbols/,$!d' -e '/^ \{1,\}Summary/,$d' -e "s/ \{1,\}${prefix}/ /" -e 's/ \{1,\}/ /g' | 113 tail -n +2 | 114 cut -d' ' -f3) 115fi 116 117rm ${libname} 118 119IFS=';' 120list="" 121for exp in ${regex}; do 122 list="${list}"' 123'$(echo "${dump}" | 124 grep "^${exp}" | 125 sed -e 's/^/ /') 126done 127 128echo "EXPORTS" 129echo "${list}" | sort | uniq | tail -n +2 130