| 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 |
| 18 | mktemp() { |
| 19 | echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$" |
| 20 | } |
| 21 | |
| 22 | if [ $# -lt 2 ]; then |
| 23 | echo "Usage: makedef <version_script> <objects>" >&2 |
| 24 | exit 0 |
| 25 | fi |
| 26 | |
| 27 | vscript=$1 |
| 28 | shift |
| 29 | |
| 30 | if [ ! -f "$vscript" ]; then |
| 31 | echo "Version script does not exist" >&2 |
| 32 | exit 1 |
| 33 | fi |
| 34 | |
| 35 | for object in "$@"; do |
| 36 | if [ ! -f "$object" ]; then |
| 37 | echo "Object does not exist: ${object}" >&2 |
| 38 | exit 1 |
| 39 | fi |
| 40 | done |
| 41 | |
| 42 | # Create a lib temporarily to dump symbols from. |
| 43 | # It's just much easier to do it this way |
| 44 | libname=$(mktemp -u "library").lib |
| 45 | |
| 46 | trap 'rm -f -- $libname' EXIT |
| 47 | |
| 48 | lib -out:${libname} $@ >/dev/null |
| 49 | if [ $? != 0 ]; then |
| 50 | echo "Could not create temporary library." >&2 |
| 51 | exit 1 |
| 52 | fi |
| 53 | |
| 54 | IFS=' |
| 55 | ' |
| 56 | |
| 57 | # Determine if we're building for x86 or x86_64 and |
| 58 | # set the symbol prefix accordingly. |
| 59 | prefix="" |
| 60 | arch=$(dumpbin -headers ${libname} | |
| 61 | tr '\t' ' ' | |
| 62 | grep '^ \+.\+machine \+(.\+)' | |
| 63 | head -1 | |
| 64 | sed -e 's/^ \{1,\}.\{1,\} \{1,\}machine \{1,\}(\(...\)).*/\1/') |
| 65 | |
| 66 | if [ "${arch}" = "x86" ]; then |
| 67 | prefix="_" |
| 68 | else |
| 69 | if [ "${arch}" != "ARM" ] && [ "${arch}" != "x64" ]; then |
| 70 | echo "Unknown machine type." >&2 |
| 71 | exit 1 |
| 72 | fi |
| 73 | fi |
| 74 | |
| 75 | started=0 |
| 76 | regex="none" |
| 77 | |
| 78 | for 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 | ' |
| 113 | done |
| 114 | |
| 115 | dump=$(dumpbin -linkermember:1 ${libname}) |
| 116 | |
| 117 | rm ${libname} |
| 118 | |
| 119 | IFS=';' |
| 120 | list="" |
| 121 | for 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/^/ /') |
| 129 | done |
| 130 | |
| 131 | echo "EXPORTS" |
| 132 | echo "${list}" | sort | uniq | tail -n +2 |