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From: Gerd Hoffmann <kraxel@redhat.com>
To: Paul Brook <paul@codesourcery.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [PATCH 4/4] gdbstub: x86: Switch 64/32 bit	registers dynamically
Date: Tue, 30 Jun 2009 09:15:00 +0200	[thread overview]
Message-ID: <4A49BB74.4080504@redhat.com> (raw)
In-Reply-To: <200906291543.34071.paul@codesourcery.com>

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

  parent reply	other threads:[~2009-06-30  7:17 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-27  7:53 [Qemu-devel] [RESEND][PATCH 0/4] Long pending gdbstub patches Jan Kiszka
2009-06-27  7:53 ` [Qemu-devel] [PATCH 1/4] gdbstub: Add vCont support Jan Kiszka
2009-06-27  7:53 ` [Qemu-devel] [PATCH 4/4] gdbstub: x86: Switch 64/32 bit registers dynamically Jan Kiszka
2009-06-29 13:01   ` [Qemu-devel] " Paul Brook
2009-06-29 13:42     ` Jan Kiszka
2009-06-29 14:07       ` Paul Brook
2009-06-29 14:22         ` Jan Kiszka
2009-06-29 14:43           ` Paul Brook
2009-06-29 14:53             ` Jan Kiszka
2009-06-29 15:16               ` Daniel Jacobowitz
2009-06-29 15:36                 ` Jan Kiszka
2009-06-29 22:00                   ` Jamie Lokier
2009-06-30 11:54                     ` Jan Kiszka
2009-06-30  7:15             ` Gerd Hoffmann [this message]
2009-06-30 12:00               ` Jan Kiszka
2009-06-29 14:51           ` Paul Brook
2009-06-27  7:53 ` [Qemu-devel] [PATCH 2/4] gdbstub: x86: Refactor register access Jan Kiszka
2009-06-27  7:53 ` [Qemu-devel] [PATCH 3/4] gdbstub: x86: Support for setting segment registers Jan Kiszka

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