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Re: glibc 2.1.92 tst-getdate failure on linuxppc

To: Franz dot Sirl-kernel at lauterbach dot com
Subject: Re: glibc 2.1.92 tst-getdate failure on linuxppc
From: Geoff Keating <geoffk at cygnus dot com>
Date: Mon, 21 Aug 2000 10:50:13 -0700
CC: aj at suse dot de, howarth at fuse dot net, libc-alpha at sources dot redhat dot com
References: <399F675F.922CE11C@fuse.net> <u8pun4cjm1.fsf@gromit.rhein-neckar.de> <00082013240400.00779@enzo.bigblue.local>

> From: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
> Date: Sun, 20 Aug 2000 13:24:04 +0200
> Cc: libc-alpha@sources.redhat.com

> Test: not testing FE_NOMASK_ENV, it isn't implemented.

> in test-fenv.out? Can I just copy the implementations from another platform? 
> Which files do I need to look at as examples?

It needs kernel support.  You have to change the kernel to allow user
control over the FP exception-enable bits of the MSR.  Then you change
the libc to switch these exceptions on (using the new interface) when
FE_NOMASK_ENV is used for the first time in the program.

-- 
- Geoffrey Keating <geoffk@cygnus.com>

Follow-Ups:
- Re: glibc 2.1.92 tst-getdate failure on linuxppc
  - From: Franz Sirl

References:
- glibc 2.1.92 tst-getdate failure on linuxppc
  - From: Jack Howarth
- Re: glibc 2.1.92 tst-getdate failure on linuxppc
  - From: Andreas Jaeger
- Re: glibc 2.1.92 tst-getdate failure on linuxppc
  - From: Franz Sirl

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