[patch ld]: Do some memory cleanup for def-file parsing

[Kai Tietz]

Ups, missed to add Nick in CC

2011/4/16 Kai Tietz <ktietz70@googlemail.com>:
> Hello,
>
> This patch does some memory optiomiations for def-file parsing. As
> this scanner is also used for directives, it can likely happen for big
> projects that here a lot of memory gets wasted, which additional
> leaked as nobody is releasing it again.
> This patch tries to minimize the amount of memory used here.
>
> ChangeLog ld/
>
> 2011-04-16  Kai Tietz
>
>        * deffilep.y (def_pool_str): New type.
>        (pool_strs): Local static.
>        (def_pool_alloc): Local function.
>        (def_pool_strdup): Likewise.
>        (def_pool_free): Likewise.
>        (opt_name): Replace xmalloc/xstrdup by
>        def_pool_alloc/def_pool_strdup.
>        (dot_name): Likewise.
>        (anylang_id): Likewise.
>        (def_lex): Likewise.
>        (def_file_parse): Call def_pool_free on
>        exit and cleanup directives elements.
>        (def_file_add_directive): Call def_pool_free.
>
> Tested for x86_64-w64-mingw32, i686-w64-mingw32, and i686-pc-cygwin.
> Ok for apply?
>
> Regards,
> Kai
>



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