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Re: [RFA] gdbserver bits

From: Daniel Jacobowitz <drow at mvista dot com>
To: Michal Ludvig <mludvig at suse dot cz>
Cc: GDB Patches <gdb-patches at sources dot redhat dot com>
Date: Thu, 18 Jul 2002 11:35:09 -0400
Subject: Re: [RFA] gdbserver bits
References: <3D36D7E7.5080607@suse.cz> <20020718150834.GA29860@nevyn.them.org> <3D36DFC4.6060406@suse.cz>

On Thu, Jul 18, 2002 at 05:33:24PM +0200, Michal Ludvig wrote:
> Daniel Jacobowitz wrote:
> >Go ahead.  Doesn't GDB have the same problem with CS and SS?
> 
> Well, yes actually. But in GDB it doesn't make problems, because there 
> the regbuf is zeroed after allocation so it cannot happen, that you'd 
> write something wrong to CS or SS (at least on x86-64 the kernel doesn't 
> permit setting CS since it uses it for it's own purposes).
> Consider cleaning the newly allocated regbuf in gdbserver as well...

I don't think I will; writing arbitrary zeros is just as damaging as
writing a bad regset.  The whole thing needs to be set.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer

References:
- [RFA] gdbserver bits
  - From: Michal Ludvig
- Re: [RFA] gdbserver bits
  - From: Daniel Jacobowitz
- Re: [RFA] gdbserver bits
  - From: Michal Ludvig

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