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Re: [rfa/arm] Fix the types of ARM FPA registers
- From: Richard Earnshaw <rearnsha at arm dot com>
- To: Daniel Jacobowitz <drow at false dot org>
- Cc: gdb-patches at sources dot redhat dot com
- Date: Thu, 25 Mar 2004 10:27:29 +0000
- Subject: Re: [rfa/arm] Fix the types of ARM FPA registers
- References: <20040324222616.GA2169@nevyn.them.org>
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.