From: Ralf Baechle <ralf@linux-mips.org>
To: Franck Bui-Huu <vagabon.xyz@gmail.com>
Cc: linux-mips <linux-mips@linux-mips.org>
Subject: Re: Question about signal syscalls !
Date: Thu, 1 Feb 2007 13:57:34 +0000 [thread overview]
Message-ID: <20070201135734.GB12728@linux-mips.org> (raw)
In-Reply-To: <cda58cb80702010243y4a36026i6945f2a5cd3791d0@mail.gmail.com>
On Thu, Feb 01, 2007 at 11:43:13AM +0100, Franck Bui-Huu wrote:
> I'm probably missing something very obvious so the subject could have
> been "Dumb question of the week". So please be nice when answering ;)
>
> I'm wondering why we need to save/restore the static registers
> (s0...s7) when dealing with some signal system calls. Specially all
> of them which are declared by using save_static_function() macros.
The values of those registers need to be preserved so they can later be
copied into the signal frame.
Ralf
next prev parent reply other threads:[~2007-02-01 13:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-01 10:43 Question about signal syscalls ! Franck Bui-Huu
2007-02-01 13:57 ` Ralf Baechle [this message]
2007-02-01 14:54 ` Franck Bui-Huu
2007-02-01 17:01 ` David Daney
2007-02-02 8:55 ` Franck Bui-Huu
2007-02-02 16:04 ` David Daney
2007-02-02 16:36 ` Franck Bui-Huu
2007-02-02 16:53 ` Daniel Jacobowitz
2007-02-02 20:03 ` Franck Bui-Huu
2007-02-02 20:18 ` Franck Bui-Huu
2007-02-02 16:56 ` David Daney
2007-02-02 19:58 ` Franck Bui-Huu
2007-02-02 20:41 ` David Daney
2007-02-05 0:55 ` Daniel Jacobowitz
2007-02-05 1:10 ` Ralf Baechle
2007-02-05 2:30 ` Daniel Jacobowitz
2007-02-05 6:00 ` David Daney
2007-02-05 9:17 ` Franck Bui-Huu
2007-02-05 9:08 ` Franck Bui-Huu
2007-02-01 18:10 ` Ralf Baechle
2007-02-02 8:54 ` Franck Bui-Huu
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