Re: How to manually register a symbol address in dyld?
Re: How to manually register a symbol address in dyld?
- Subject: Re: How to manually register a symbol address in dyld?
- From: Peter O'Gorman <email@hidden>
- Date: Tue, 13 Oct 2009 09:30:01 -0500
On 10/13/2009 02:55 AM, Stéphane Corthésy wrote:
Hello,
For some reason (that I'll explain later), I need to load a bundle which
contains symbols undefined in application libraries. BUT, though these
symbols are undefined, the actual implementations are present in current
runtime, but under a different symbol. Thus, before loading that bundle
I need to manually tell dyld that symbol 'my_renamed_function' should be
bound to 'my_original_function' already present in system libraries. Or
I need a hook that would allow me to do that while loading the bundle.
I'm working on 10.6. I tried to look at dyld source code, but got lost :-)
I tried to use NSInstallLinkEditErrorHandlers, but my handler wasn't
invoked.
So, is there a way to do that, and how?
Why do you need to do this? There are very likely alternative ways of
doing what you need e.g. weak undefined external symbols, symbol
aliases, using dlsym() to check at runtime what symbols are available
etc etc.
Please provide more details about the problem you're trying to solve.
Peter
--
Peter O'Gorman
http://pogma.com
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Darwin-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden