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: Fri, 14 Dec 2007 08:33:39 +0100 (CET)
- Organization: comosoft AG
On Dec 13, 2007 06:15 PM, Peter O'Gorman <email@hidden> wrote:
> Michael Siek wrote:
> > On Dec 13, 2007 04:49 PM, Peter O'Gorman <email@hidden> wrote:
>
> >>> 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.
> >>
>
> >
> > 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.
>
> Ok, then you're left with dlopen RTLD_PRIVATE, which should open the
> framework and everything the framework uses privately. dlsym will look
> up symbols in the framework and everything it uses.
>
> This will not work on 10.3 though, dlopen on 10.3 is less capable, it
> will only load files of type MH_BUNDLE privately, any secondary libs
> and
> frameworks that the bundle uses will be global.
>
> See the man pages for dlopen() and dlsym().
>
> Peter
> --
> Peter O'Gorman
> http://pogma.com
Hi Peter,
i modified my framework loading to work with dlopen/dlsym.
Unfortunately RTLD_PRIVATE is not supported in 10.4 or 10.5 SDK.
It looked so promising...
(I tried RTLD_LOCAL which delivers same result like CFBundle-stuff)
Regards,
Michael
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