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Date: Mon, 27 Feb 2012 21:37:00 -0000
From: "Maciej W. Rozycki" <macro@codesourcery.com>
To: Mark Kettenis <mark.kettenis@xs4all.nl>
CC: <brobecker@adacore.com>, <gdb-patches@sourceware.org>
Subject: Re: [PATCH] MIPS/Linux: Update the number of pseudo registers too
In-Reply-To: <201112081041.pB8AfTwo021983@glazunov.sibelius.xs4all.nl>
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References: <alpine.DEB.1.10.1112062118470.6710@tp.orcam.me.uk> <20111208083113.GH21915@adacore.com> <201112080858.pB88wBu2008282@glazunov.sibelius.xs4all.nl> <20111208090415.GJ21915@adacore.com> <201112081041.pB8AfTwo021983@glazunov.sibelius.xs4all.nl>
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On Thu, 8 Dec 2011, Mark Kettenis wrote:

> > > > >  Similarly to the previous general MIPS change (pc_regnum and sp_regnum) 
> > > > > the Linux backend needs to update the number of pseudo registers as it 
> > > > > adds the "restart" register.  No regressions in mips-linux-gnu testing 
> > > > > (native and remote).  OK to apply?
> > > > 
> > > > I don't understand this one. Isn't the register added to the list of
> > > > normal registers, rather than pseudo registers?
> > > 
> > > MIPS is a bit weird, since all register access is done via pseudo
> > > registers to deal with 32-bit vs. 64-bit issues (in particular,
> > > supporting a 32-bit ABI on 64-bit hardware).
> > 
> > Aha, thanks! So that would indeed mean that Maciej's patch should be
> > correct, right?
> 
> Almost certainly, yes.

 Applied now, thanks for the review.

  Maciej