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Re: Problems compiling . soft-float

To: Ralf Baechle <>
Subject: Re: Problems compiling . soft-float
From: Daniel Jacobowitz <>
Date: Tue, 26 Feb 2002 00:10:16 -0500
Cc: Jay Carlson <>,, Carlo Agostini <>,
In-reply-to: <>
References: <> <> <>
User-agent: Mutt/1.3.23i
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

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