Re: [patch rfc] PUSH_ARGUMENTS() -> push_dummy_call()

[Andrew Cagney <ac131313@redhat.com>]

> Is it too much overhead/PITA to restructure it so that we can use that
>> >information?  If so I'll probably need to add a new architecture method
>> >to get ths sort of information.
> 
>> 
>> It is definitly beyond the scope of these cleanups.  The interface is 
>> going to be sufficiently different to need a new architecture method anyway.
>> 
>> Would a FETCH_POINTER_ARGUMENT() method be sufficient for your immediate 
>> needs?
> 
> 
> Yes!  Thanks for the pointer.  I'll put together a patch to move it
> into the architecture vector, for those architectures where it has a
> clear implementation.  And try to write up some mostly-accurate
> documentation for what it does...
> 
> Basically, it should work as long as the previous N arguments were all
> pointers, and for reasonably small values of N (objc-lang never goes
> above N == 2 I think).

Yes.  BTW, the method will need a type parameter similar to 
extract_typed_address().

Andrew