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Re: Unexpected behaviour when catching SIGFPE on FPU-less system

To: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: Unexpected behaviour when catching SIGFPE on FPU-less system
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Tue, 4 May 2010 21:30:20 +0200
Cc: Ralf Baechle <ralf@linux-mips.org>, "Kevin D. Kissell" <kevink@paralogos.com>, Shane McDonald <mcdonald.shane@gmail.com>, linux-mips@linux-mips.org
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On Tue, May 4, 2010 at 9:28 PM, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> On Tue, May 4, 2010 at 20:44, Ralf Baechle <ralf@linux-mips.org> wrote:
>> On Tue, May 04, 2010 at 09:13:18AM -0700, Kevin D. Kissell wrote:
>>
>>> What we used to use was what I *thought* was an old public domain
>>> program whose name was an English word that had something to do with
>>> being exacting.  Googling with obvious keywords didn't turn it up.
>>
>> Is it paranoia by any chance?  Paranoia is available as single files at:
>>
>>  http://www.math.utah.edu/~beebe/software/ieee/paranoia.c
>>  http://www.math.utah.edu/~beebe/software/ieee/paranoia.h
>
> You also need
>
> http://www.math.utah.edu/~beebe/software/ieee/args.h
>
> Ran fine on:
>  - Toshiba RBTX4927 (with FPU :-)
>  - Mikrotik RouterBOARD 150 (without FPU), using an older 2.6.x OpenWRT kernel

and runs into an endless loop around line 806 when built with
a softfloat toolchain (gcc-4.4.3).

Manuel

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