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Date: Tue, 30 Jun 2009 09:15:00 +0200
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] Re: [PATCH 4/4] gdbstub: x86: Switch 64/32
	bit	registers dynamically
References: <20090627075350.13376.17936.stgit@mchn012c.ww002.siemens.net>	<200906291507.05278.paul@codesourcery.com>	<4A48CE13.6050800@siemens.com>
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To: Paul Brook <paul@codesourcery.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>, Anthony Liguori <aliguori@us.ibm.com>, qemu-devel@nongnu.org

On 06/29/09 16:43, Paul Brook wrote:
>>> You've just deliberately broken the qemu gdbstub. After your patch it is
>>> impossible to debug mixed 32/64-bit code.
>> Please give it a try as it's the other way around: You can't properly
>> debug mixed target code without my patch.
>
> Sure you can, you just need a gdb that doesn't suck.  As soon as you encounter
> actual mixed code (rather than just running the wrong qemu) your patch causes
> things to die horribly.

i.e. the latest gdb release (6.8) works better *with* the workaround,
and the latest gdb bits from cvs work better *without* the workaround.
Is that correct?

How about making it runtime-switchable then, so qemu can deal with both 
cases?

cheers,
   Gerd