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Re: Multi-arching FLOAT_INFO
- From: Andrew Cagney <ac131313 at cygnus dot com>
- To: Richard dot Earnshaw at arm dot com
- Cc: gdb at sources dot redhat dot com
- Date: Mon, 04 Feb 2002 11:33:40 -0500
- Subject: Re: Multi-arching FLOAT_INFO
- References: <200202041442.OAA29219@cam-mail2.cambridge.arm.com>
> So it turns out that multi-arching FLOAT_INFO may not be completely
> trivial either. Only two ports really make use of this: ARM and i386.
> The ARM code is straight-forward, but the code on the i386 is largely
> disabled. Indeed, the largest problem is i386b-nat.c which contains a
> large chunk of code that is surrounded in "#ifdef FLOAT_INFO". This file
> seems to only be used on BSD4.4 systems (FreeBSD, NetBSD and OpenBSD all
> seem to use their own nat files -- I'm not sure what BSDi uses).
>
> Since adding FLOAT_INFO to gdbarch will mean that it is now
> unconditionally defined the question is - how to handle this chunk of
> code. I've no idea (and no way of testing) whether it will even compile
> cleanly.
>
> Does anyone even use a system that relies on this file now?
>
> Suggestions welcome.
Have a look at REGISTER_NAME() vs REGISTER_NAMES and
legacy_register_name. There is no reason for you fixing anything other
than the arm.
As for FLOAT_INFO, file a bug report indicating that it is deprecated.
I'll also ARI it.
Andrew