Re: [RFA] Resurrect v850

[Daniel Jacobowitz <drow@false.org>]

On Tue, May 17, 2005 at 03:38:27PM +0200, Corinna Vinschen wrote:
> Hi Daniel,
> 
> On May 17 15:23, Corinna Vinschen wrote:
> > [...]
> > > You can do the frobbing when you record the saved registers - at the
> > > end, copy the saved location.
> > 
> > Sorry, I don't understand this.  Can you show me some (pseudo) code what
> > you mean?
> 
> Do you mean like this, as in m32r-tdep.c, function m32r_frame_unwind_cache:
> 
>   /* The call instruction moves the caller's PC in the callee's LR.
>      Since this is an unwind, do the reverse.  Copy the location of LR
>      into PC (the address / regnum) so that a request for PC will be
>      converted into a request for the LR.  */
>   info->saved_regs[M32R_PC_REGNUM] = info->saved_regs[LR_REGNUM];
> 
> ?

Yes, precisely.

-- 
Daniel Jacobowitz
CodeSourcery, LLC