linux-kernel - Re: unresoved symbol _gp

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Date:	Thu, 04 Oct 2007 10:47:25 -0700
From:	David Daney <ddaney@...rex.com>
To:	"Steven J. Hill" <sjhill@...litydiluted.com>
Cc:	veerasena reddy <veerasena_b@...oo.co.in>,
	linux-mips <linux-mips@...ux-mips.org>,
	"linux-kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: unresoved symbol _gp_disp

Steven J. Hill wrote:
>> I have written a loadble module ( which gets complied
>> along with kernel) which does some floating point
>> operation.
>>  
> NO FLOATING POINT in the kernel PERIOD.

Unless you compile your code with -msoft-float *and* also have a version 
of libgcc compiled with -mlong-calls -mno-abicalls -G0.  If you do it 
that way, floating point works fine in the kernel (as long as you don't 
try to call sprintf with floating point parameters).


> Either use integer
> operations, or redo your software architecture and do the
> floating point in userspace.
> 
> -Steve
> 

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