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Date: Thu, 02 Jun 2005 12:20:05 -0300
From: Mariano Wahlmann <wahlmann@agro.uba.ar>
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Subject: Re: [Qemu-devel] Re: Debugging guest OS
References: <429EFEE0.4020003@agro.uba.ar> <87fyw0onk4.fsf@benpfaff.org>
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To: qemu-devel@nongnu.org



Ben Pfaff wrote:

>Mariano Wahlmann <wahlmann@agro.uba.ar> writes:
>
> =20
>
>>I want to know, if it's posible to debug an guest OS like bochs, i
>>mean disassemble current instruction, step by step running,
>>possibility of change registers values, etc. I try to use GDB, but i
>>think this is for debbuging qemu itself.
>>   =20
>>
>
>You can use gdb on the guest if you invoke qemu with -s.
> =20
>
that's right, thanks
but in order to disassemble i have to do "display /i $cs * 16 + $eip",=20
this is for real mode,  what is the syntaxis for protected mode?
is there any varible that contains a pointer to current virtual address=20
of the next instruction.


--=20
________________________________________________________
Mariano Agust=EDn Wahlmann
Administrador de Red
Facultad de Agronom=EDa - Buenos Aires - Argentina
Te.: (+54 11) 4524-8000 int.8108
email: mailto:wahlmann@agro.uba.ar
www: http://www.agro.uba.ar