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Subject: Re: [rfa/arm] Fix the types of ARM FPA registers
From: Richard Earnshaw <rearnsha@arm.com>
To: Daniel Jacobowitz <drow@false.org>
Cc: gdb-patches@sources.redhat.com
In-Reply-To: <20040324222616.GA2169@nevyn.them.org>
References: <20040324222616.GA2169@nevyn.them.org>
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Date: Thu, 25 Mar 2004 10:28:00 -0000
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On Wed, 2004-03-24 at 22:26, Daniel Jacobowitz wrote:
> This has apparently been broken for a while... build an arm-elf GDB, connect
> to the simulator, and say 'print $f0'.  You get an internal error because
> the virtual size is 8 but the raw size is 12, and we don't define
> DEPRECATED_REGISTER_CONVERTIBLE.
> 
> I don't think any of the baggage is necessary any more.  We can simply
> expose the correct type.  After this patch, we have:
> 
> (gdb) ptype $f0
> type = builtin_type_arm_ext_littlebyte_bigword
> (gdb) p sizeof($f0)
> $1 = 12
> (gdb) p $f0
> $2 = 0
> 
> I also got to whack five deprecated methods.
> 
> No change in test results on arm-sim, and it fixes the internal error.  I
> don't have any hard-FPA targets to try it on (all my Linux setups are
> soft-FPA or soft-VFP).

I've got access to a netwinder (with FPA emulation).  I'll set a build
off there.

R.