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From: Daniel Jacobowitz <dan@debian.org>
To: Franck Bui-Huu <vagabon.xyz@gmail.com>
Cc: David Daney <ddaney@avtrex.com>,
	Ralf Baechle <ralf@linux-mips.org>,
	linux-mips <linux-mips@linux-mips.org>
Subject: Re: Question about signal syscalls !
Date: Fri, 2 Feb 2007 11:53:56 -0500	[thread overview]
Message-ID: <20070202165356.GA30584@nevyn.them.org> (raw)
In-Reply-To: <cda58cb80702020836t54ab54bam1b83dd7c1dacb4d8@mail.gmail.com>

On Fri, Feb 02, 2007 at 05:36:30PM +0100, Franck Bui-Huu wrote:
> And now I'm starting to think that we don't need to save static regs in
> setup_sigcontext() either...

It's possible not to (iirc at least one arch does that) but please
don't change it now.  This is a userland ABI issue; GDB knows that the
registers are saved, and there are slots for them in
sigcontext/ucontext so it would be unexpected if they were not filled
in.  Could break things like pth.

-- 
Daniel Jacobowitz
CodeSourcery

  reply	other threads:[~2007-02-02 16:57 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
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 [this message]
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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