From: Joseph Myers <joseph@codesourcery.com>
To: Rich Felker <dalias@libc.org>
Cc: Rob Landley <rob@landley.net>, <musl@lists.openwall.com>,
<libc-alpha@sourceware.org>, <linux-sh@vger.kernel.org>
Subject: Re: SH sigcontext ABI is broken
Date: Wed, 24 Jun 2015 19:37:45 +0000 [thread overview]
Message-ID: <alpine.DEB.2.10.1506241934590.30125@digraph.polyomino.org.uk> (raw)
In-Reply-To: <20150624181235.GU1173@brightrain.aerifal.cx>
On Wed, 24 Jun 2015, Rich Felker wrote:
> On Wed, Jun 24, 2015 at 02:10:06PM +0000, Joseph Myers wrote:
> > On Wed, 24 Jun 2015, Rich Felker wrote:
> >
> > > Nominally SH3 support remains in both the kernel and glibc. If it can
> > > be established that multiple parties agree that there's really no one
> > > left who cares about the old no-FPU sigcontext ABI on SH3, I will be
> > > all for dropping it and unifying sigcontext.
> >
> > Note that right now we have BE and LE versions of *three* ABIs for SH in
> > glibc (SH3 soft-float, SH4 soft-float, SH4 hard-float) (and as noted in
> > this discussion, right now each would only work properly on a kernel with
> > the corresponding configuration). See
> > <https://sourceware.org/glibc/wiki/ABIList>.
>
> Is your understanding that SH4 soft-float is using the SH4 ucontext_t
> layout? I don't think it's even working at all. Glibc uses the layout
My understanding is what Kaz affirmed in
<https://sourceware.org/ml/libc-alpha/2014-01/msg00388.html>. It's
entirely possible there are bugs (including regressions) in this area; if
so, they should be filed in Bugzilla.
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2015-06-24 19:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-19 7:09 Rich Felker
2015-06-19 7:41 ` Andreas Schwab
2015-06-19 19:12 ` Rich Felker
2015-06-19 19:57 ` [musl] " Andreas Schwab
2015-06-19 20:32 ` Rich Felker
2015-06-20 8:10 ` [musl] " Geert Uytterhoeven
2015-06-20 19:59 ` Rob Landley
2015-07-02 19:23 ` Maciej W. Rozycki
2015-07-02 22:51 ` Rob Landley
2015-07-03 6:43 ` Andreas Schwab
2015-06-20 18:06 ` Rich Felker
2015-06-24 4:25 ` [musl] " Rob Landley
2015-06-24 4:52 ` Rich Felker
2015-06-24 7:12 ` [musl] " Rob Landley
2015-06-24 18:03 ` Rich Felker
2015-06-24 8:40 ` [musl] " Rob Landley
2015-06-24 21:34 ` Rich Felker
2015-06-24 22:32 ` Rob Landley
2015-06-24 23:26 ` Bobby Bingham
2015-06-24 23:54 ` Rich Felker
2015-06-25 6:24 ` [musl] " Geert Uytterhoeven
2015-06-24 14:10 ` Joseph Myers
2015-06-24 8:23 ` Rob Landley
2015-06-24 18:12 ` Rich Felker
2015-06-24 9:14 ` Rob Landley
2015-06-24 22:02 ` Rich Felker
2015-06-24 19:37 ` Joseph Myers [this message]
2015-06-24 20:08 ` Rich Felker
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