Re: Specifying parameter passing convention and place (register)

[Kilgallen@SpamCop.net (Larry Kilgallen)]

In article <opsaot0qmdp4pfvb@bram-2>, "Nick Roberts" <nick.roberts@acm.org> writes:
> What form should a pragma take for specifying the convention and place  
> (register or in memory) for the passing of parameters into and out of  
> subprograms?
> 
> Should these pragmas be confined to machine code insertions, or some other  
> group of subprograms, or it be permitted for all subprograms?

I would think only for non-Ada linkages (incoming and outgoing).

> Where should the pragma be placed? Should it be inside the subprogram  
> body, so that the subprogram itself is implicit and does not need to be  
> identified, or should it be in the same specification as the declaration  
> of the subprogram, or somewhere else?

GNAT has (reportedly) implemented the DEC Ada mechanism for doing this.
Why not use that ?   Unless you find a particular defect in that design,
commonality is good.