From: Daniel Jacobowitz <dan@debian.org>
To: Ralf Baechle <ralf@oss.sgi.com>
Cc: Jay Carlson <nop@nop.com>,
mad-dev@lists.mars.org, Carlo Agostini <carlo.agostini@yacme.com>,
linux-mips@oss.sgi.com
Subject: Re: Problems compiling . soft-float
Date: Tue, 26 Feb 2002 00:10:16 -0500 [thread overview]
Message-ID: <20020226001016.A3303@nevyn.them.org> (raw)
In-Reply-To: <20020226060236.A5293@dea.linux-mips.net>
On Tue, Feb 26, 2002 at 06:02:37AM +0100, Ralf Baechle wrote:
> On Mon, Feb 25, 2002 at 11:47:44PM -0500, Jay Carlson wrote:
>
> > Ralf is right that the kernel emulator is the supported route. But if
> > you're willing to go to the trouble of building everything from scratch,
> > this does work.
>
> It's really a major pain. Softfp isn't defined in the ABI which assumes
> an FPU is available. As the result there is no provision for mixing
> softfp and fp-less code.
>
> Something for the binutils to-do list - ld should make mixing hard-fp
> and soft-fp binaries impossible.
Or we could see if it is possible to define the ABIs in such a way that
they can call each other... I don't immediately see a problem. The
only code that will clobber FP registers is FP code.
--
Daniel Jacobowitz Carnegie Mellon University
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2002-02-26 6:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-25 7:19 Problems compiling . soft-float Carlo Agostini
2002-02-25 12:25 ` Ralf Baechle
2002-02-26 4:47 ` Jay Carlson
2002-02-26 5:02 ` Ralf Baechle
2002-02-26 5:10 ` Daniel Jacobowitz [this message]
2002-02-26 5:23 ` Jay Carlson
2002-02-26 5:28 ` Jay Carlson
2002-02-26 5:51 ` Daniel Jacobowitz
2002-02-26 12:59 ` Maciej W. Rozycki
2002-02-26 12:59 ` Maciej W. Rozycki
2002-02-26 12:59 ` Maciej W. Rozycki
2002-02-26 10:55 ` Dominic Sweetman
2002-02-26 12:27 ` Ralf Baechle
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