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: Michael Siek <email@hidden>
- Date: Thu, 13 Dec 2007 18:07:42 +0100 (CET)
- Organization: comosoft AG
On Dec 13, 2007 04:49 PM, Peter O'Gorman <email@hidden> wrote:
> 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
2) is not an option as it is not my own framework. The problem is
probably inside a second 3rd party framework (or library) that is loaded
by the first 3rd party framework.
Michael
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