Interesting.  I found this reference:

http://developer.apple.com/documentation/DeveloperTools/Conceptual/MachORuntime/index.html

Does that page describe the "dynamic" features you are talking about?

If not, do you have pointers to a description of the features
you're talking about?

--chris



Mikiya Matsuzaka wrote:
>> Of course, maybe I misunderstood what you were asking for...
> 
> No, no, I thank your response.
> 
> Because I leaned about MacOS X which uses Objective-C's
> dynamism thoroughly (so, extending class dynamically, or
> method object independant from any class...), I'm not so
> desperate.
> 
>> This doesn't sound unreasonable.  Part of my job is
>> figuring out the right relocations to generate to
>> get a specific effect in the linker.  I need to
>> worry about comdat and thread-local-data, and
>> similar "edge cases".  It might make my job easier
>> if we had a more general purpose feature for this
>> kind of thing.  Rather than relying on a large
>> enumeration of different kinds of possible relocations.
> 
> Mmm... I'm not a linker expert in fact.
> 
> Could you describe how the extension syntax of C for such a
> case do you think should be? (using `...@const' or something...).
> 
> ---
> Mikiya Matsuzaka
> 
> 
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