Re: PATCH: Support x86 pseudo registers

H.J. Lu
2010-03-02T22:00:00Z

On Tue, Mar 2, 2010 at 1:57 PM, Michael Snyder <msnyder@vmware.com> wrote:
> Daniel Jacobowitz wrote:
>>
>> On Tue, Mar 02, 2010 at 11:47:35PM +0200, Eli Zaretskii wrote:
>>>
>>> Who can help out here?  I can help with wording, if someone tells the
>>> story.
>>
>> Presumably H. J. knows why he wrote the patch?
>>
>> I presume it lets us say $ah or $ax in addition to $eax, and lets $eax
>> work on 64-bit systems where we really have $rax.
>
> Mmm hmm, and the context would be expressions or anywhere where a
> register name is appropriate (eg. info reg).  Yes?
>

Yes.

(top-gdb) info reg $edi
edi 0x1 1
(top-gdb) info reg $rdi
rdi 0x1 1
(top-gdb) info reg $dl
dl 0xd8 -40
(top-gdb) info reg $dil
dil 0x1 1
(top-gdb)

--
H.J.