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Date: Tue, 17 Apr 2007 00:09:00 -0000
From: Richard Henderson <rth@twiddle.net>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Steven Munroe <munroesj@us.ibm.com>,
        Glibc hackers <libc-hacker@sources.redhat.com>,
        Ulrich Drepper <drepper@redhat.com>,
        Peter Eberlein <eberlein@us.ibm.com>
Subject: Re: [PATCH] PPC fenv fixes. 3rd update
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	Steven Munroe <munroesj@us.ibm.com>,
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On Sat, Apr 14, 2007 at 07:38:39PM +0200, Jakub Jelinek wrote:
> Hm, why can't you use the magic numbers?  fesetenv takes (fenv_t *envp)
> on all arches, yet all but ppc manage to handle magic numbers.

Assuming a userland has all bits available for user mapping,
there may be no easy space to reserve.  In which case I'd export
some dummy variables from libc, and compare vs their addresses.


r~