Re: Loading function from a bundle without loading all globals.
Re: Loading function from a bundle without loading all globals.
- Subject: Re: Loading function from a bundle without loading all globals.
- From: Peter O'Gorman <email@hidden>
- Date: Thu, 13 Dec 2007 09:49:00 -0600
Michael Siek wrote:
> Hi all,
> we are loading some function (pointers) from an external framework using
> CFBundleGetFunctionPointerForName().
> This is working fine but seems to have the (side) effect that all global
> symbol of that framework seem to be
> visible to the loading application.
>
> Is the external framework loaded completely to the loading application?
>
> Is there a way to avoid this or to hide other symbols than the requested
> (it looks like some of them are conflicting...the usual suspect:
> new/delete)?
>
> Any hint is appreciated!
1) dlopen with RTLD_PRIVATE, and dlsym should work on 10.4 and later.
2) If it is your own framework, then use -exported_symbols_list when
linking it so that only the symbols you want to be global are.
Take your pick, but 2) would be my choice.
Peter
--
Peter O'Gorman
http://pogma.com
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