1#!/bin/bash 2 3# This script is needed in the process of generating exported 4# symbols list out of map files on MinGW 5# The magic generating the regular expression from the temporary 6# mapfile containing only star and question mark symbols 7# 8# The script has to be called as follows: 9# nm -gx <file>.o | addsym-mingw.sh <file-with-wildcard-symbols> <temporary-file-where-to-write-the-search-expression-to> 10# See tg_shl.mk for an example of how to use the script 11# 12# Replace every * with .* and every ? with . to get awk expression 13# Remove whitespaces and comments in expression 14# Put ^ at the beginning of every expression 15# Put $ at the beginning of every expression 16# Connect them all on one line, separated by | 17# Remove | at the end of this regular expression because the last end 18# of line was also replaced by | 19 20if [ -s $1 ] 21then 22cat $1 | sed 's#*#.*#g 23s#?#.#g 24s#;.*##g 25s# ##g 26s# ##g 27s#^#^# 28s#$#$#' | tr '\n' '|' | sed "s#|\$##" >$2 29 30# Please note that the awk expression expects to get the output of 'nm -gP'! 31awk -v SYMBOLSREGEXP="`cat $2`" ' 32match (substr ($1,2) ,SYMBOLSREGEXP) > 0 { print substr ($1,2) ";" }' 33fi 34 35