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Re: %gs:0 thread pseudoregister in oskit-mach
From: |
Jan Atle Ramsli |
Subject: |
Re: %gs:0 thread pseudoregister in oskit-mach |
Date: |
Thu, 25 Apr 2002 10:02:49 +0200 |
Jan Atle Ramsli wrote:
>
> Espen Skoglund wrote:
> >
> > %fs in the Win32 ABI points to a per-thread Thread Information
> > Block (TIB). Don't ask me details about exactly what this segment
> > contains or how it is used. I have no idea. Point is that if we want
> > to be compatible with the Win32 ABI we should probably leave %fs
> > alone.
>
> Mu Ultra 10 is looking at me with sad eyes, and I try to comfort it:
> "I know you have lots more registers than that stupid x86, I don't think
> Win32 is going to be such a very strict requirement?"
I just realized that Ultra and i86 can not be part of the same
implementation, since they are both undernetath the vitrual registers in
the layering anyway.
So my question is irrelevant accoring to the design, even if I should
happen to put in SunPCI-card :-)
Sorry, still reading the specs,
Atle