1#!/bin/bash 2# ************************************************************* 3# 4# Licensed to the Apache Software Foundation (ASF) under one 5# or more contributor license agreements. See the NOTICE file 6# distributed with this work for additional information 7# regarding copyright ownership. The ASF licenses this file 8# to you under the Apache License, Version 2.0 (the 9# "License"); you may not use this file except in compliance 10# with the License. You may obtain a copy of the License at 11# 12# http://www.apache.org/licenses/LICENSE-2.0 13# 14# Unless required by applicable law or agreed to in writing, 15# software distributed under the License is distributed on an 16# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17# KIND, either express or implied. See the License for the 18# specific language governing permissions and limitations 19# under the License. 20# 21# ************************************************************* 22 23# This script is needed in the process of generating exported 24# symbols list out of map files on MinGW 25# The magic generating the regular expression from the temporary 26# mapfile containing only star and question mark symbols 27# 28# The script has to be called as follows: 29# nm -gx <file>.o | addsym-mingw.sh <file-with-wildcard-symbols> <temporary-file-where-to-write-the-search-expression-to> 30# See tg_shl.mk for an example of how to use the script 31# 32# Replace every * with .* and every ? with . to get awk expression 33# Remove whitespaces and comments in expression 34# Put ^ at the beginning of every expression 35# Put $ at the beginning of every expression 36# Connect them all on one line, separated by | 37# Remove | at the end of this regular expression because the last end 38# of line was also replaced by | 39 40if [ -s $1 ] 41then 42cat $1 | sed 's#*#.*#g 43s#?#.#g 44s#;.*##g 45s# ##g 46s# ##g 47s#^#^# 48s#$#$#' | tr '\n' '|' | sed "s#|\$##" >$2 49 50# Please note that the awk expression expects to get the output of 'nm -gP'! 51awk -v SYMBOLSREGEXP="`cat $2`" ' 52match (substr ($1,2) ,SYMBOLSREGEXP) > 0 { print substr ($1,2) ";" }' 53fi 54 55