Re: "No registers" error on connecting to MIPS LSI PMON target

[Daniel Jacobowitz <drow@mvista.com>]

On Wed, Oct 08, 2003 at 07:47:59PM +0900, Atsushi Nemoto wrote:
> I tried to use gdb-6.0 for remote-debugging with MIPS LSI PMON.
> I got a message "No registers." on "target lsi /dev/ttyS0" command.
> 
> I think this is because get_selected_frame() is called BEFORE the
> correct target_ops is installed by push_target().
> 
> This is a temporary patch.  It seems to work, but I can not tell the
> situation mentioned in the "FIXME" comment is really solved or not.
> 
> 
> --- gdb-6.0/gdb/remote-mips.c.org	Wed Jun 11 22:16:28 2003
> +++ gdb-6.0/gdb/remote-mips.c	Wed Oct  8 16:55:19 2003
> @@ -1494,10 +1494,12 @@
>       the request itself succeeds or fails.  */
>  
>    mips_request ('r', 0, 0, &err, mips_receive_wait, NULL);
> +#if 0
>    /* FIXME: cagney/2002-11-29: Force the update of selected frame.
>       This shouldn't be necessary, only many many places still refer to
>       selected_frame directly (instead of using get_selected_frame().  */
>    get_selected_frame (); /* Hack!!!  */
> +#endif
>  }
>  
>  /* Open a connection to the remote board.  */

Hmm, I've got one of these too and see the same error.  This looks to
predate the deprecation of selected_frame, so I think it can probably
go away now.  Andrew would have a better idea...

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer