Re: [patch] mips-tdep: info registers

[Aleksandar Ristovski <aristovski at qnx dot com>]

Mark Kettenis wrote:
> > Date: Sun, 22 Feb 2009 21:52:30 -0500
> > From: Daniel Jacobowitz <drow@false.org>
> >
> > On Sun, Feb 22, 2009 at 06:08:20PM -0800, Joel Brobecker wrote:
> > > > (gdb) info registers $1
> > > > ../../gdb/mips-tdep.c:4307: internal-error: 
> > > > mips_print_registers_info:
> > > > Assertion `regnum >= gdbarch_num_regs (current_gdbarch)' 
> > > > failed.
> > > Surprisingly, this feature is not documented yet. The documentation
> > > mentions "info registers regname", but not "info registers regno".
> > > Would you mind adding a line or two and sending a (separate) patch
> > > to this list? Eli is the documentation guru...
> > Should this feature even exist?  This is a different "$1" than
> > anywhere else in GDB you might type that...
>
> I think it shouldn't; the register numbers are internal to GDB an may
> change (once they've been properly decoupled from the remote
> interface).

The use-case where the problem came up is debugging inline 
assembly code which uses register numbers instead of 
register names.

while "$1" may be confusing due to convenience variables, 
syntax:
(gdb) info register 1
is also permitted and looks quite straight-forward.



Thanks,

Aleksandar Ristovski
QNX Software Systems