34 lines
1.1 KiB
Bash
34 lines
1.1 KiB
Bash
#!/bin/bash
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# This script is needed in the process of generating exported
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# symbols list out of map files on MinGW
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# The magic generating the regular expression from the temporary
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# mapfile containing only star and question mark symbols
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#
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# The script has to be called as follows:
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# nm -gx <file>.o | addsym-mingw.sh <file-with-wildcard-symbols> <temporary-file-where-to-write-the-search-expression-to>
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# See tg_shl.mk for an example of how to use the script
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#
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# Replace every * with .* and every ? with . to get awk expression
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# Remove whitespaces and comments in expression
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# Put ^ at the beginning of every expression
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# Put $ at the beginning of every expression
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# Connect them all on one line, separated by |
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# Remove | at the end of this regular expression because the last end
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# of line was also replaced by |
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if [ -s $1 ]
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then
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cat $1 | sed 's#*#.*#g
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s#?#.#g
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s#;.*##g
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s# ##g
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s# ##g
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s#^#^#
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s#$#$#' | tr '\n' '|' | sed "s#|\$##" >$2
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# Please note that the awk expression expects to get the output of 'nm -gP'!
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awk -v SYMBOLSREGEXP="`cat $2`" '
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match (substr ($1,2) ,SYMBOLSREGEXP) > 0 { print substr ($1,2) ";" }'
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fi
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