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Date: Mon, 29 Jun 2009 11:16:13 -0400
From: Daniel Jacobowitz <drow@false.org>
Subject: Re: [Qemu-devel] Re: [PATCH 4/4] gdbstub: x86: Switch 64/32 bit
	registers dynamically
Message-ID: <20090629151613.GA5924@caradoc.them.org>
References: <20090627075350.13376.17936.stgit@mchn012c.ww002.siemens.net>
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To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, Paul Brook <paul@codesourcery.com>, qemu-devel@nongnu.org

On Mon, Jun 29, 2009 at 04:53:45PM +0200, Jan Kiszka wrote:
> Just to recall the situation (again, please actually try it): if you
> have to debug code that switches between 16/32 bit and 64 bit, you
> _can't_ debug the 16 or 32 bit part as gdb will stumble and fall over
> qemu sending 64-bit register layout for 16/32 bit code. That is a gdb
> limitation, but this patch is about dealing with it until it's resolved
> in gdb.

Remind me why you can't just tell GDB that the target is 64-bit
despite whatever file you've given it?

-- 
Daniel Jacobowitz
CodeSourcery