Re: [Gm2] Re: frame and return address of functions

[Gaius Mulley]

John O Goyo <address@hidden> writes:

> Gaius Mulley wrote:
> > Hi,
> > these can now be obtained by the new builtin functions (frame_address
> > and return_address).  So for example the following code sets the
> > return address in 'a'.  The parameter indicates how many levels you
> > wish to go back up the call stack.
> 
> I am curious as to why these were added.

Hi John,

at present, only for completeness as they were commented out in
gm2/gm2builtins.c (all the work is done by the GCC backend).  They
might be useful for embedded systems I guess,

regards,
Gaius