[RFA Precord] Disable process record in amd64

[Mark Kettenis]

> From: Pedro Alves <pedro@codesourcery.com>
> Date: Wed, 13 May 2009 11:18:02 +0100
> 
> On Wednesday 13 May 2009 09:07:03, Hui Zhu wrote:
> > Hi,
> > 
> > The i386 process record can't work together with amd64 now.  So I make
> > a patch to disable it in amd64.
> 
> It would be better to move the `set_gdbarch_process_record (gdbarch, i386_process_record)'
> call to tdep files where precord will actually work --- in this
> case, i386-linux-tdep.c --- instead of having i386-tdep.c assume
> precord support.  We've done the exact same thing for displaced
> stepping.

I agree with Pedro here.