From: "Kevin D. Kissell" <kevink@paralogos.com>
To: linux-mips@linux-mips.org
Subject: Re: Is r25 saved across syscalls?
Date: Mon, 10 Sep 2012 18:04:39 -0700 [thread overview]
Message-ID: <504E8E27.5030904@paralogos.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1209110059580.8926@eddie.linux-mips.org>
On 09/10/2012 05:29 PM, Maciej W. Rozycki wrote:
> I do wonder however why we have these instructions to save/restore $25
> in SAVE_SOME/RESTORE_SOME. This dates back to 2.4 at the very least.
> Ralf, any insights?
Hi, guys. Maybe the fact that it's used for dispatching PIC calls has
something to do with it?
/K.
next prev parent reply other threads:[~2012-09-11 1:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-09 19:30 Is r25 saved across syscalls? Rich Felker
2012-09-10 17:08 ` Ralf Baechle
2012-09-10 17:22 ` Rich Felker
2012-09-10 18:04 ` David Daney
2012-09-10 18:37 ` Rich Felker
2012-09-11 8:48 ` Ralf Baechle
2012-09-11 13:32 ` Rich Felker
2012-09-11 0:29 ` Maciej W. Rozycki
2012-09-11 1:04 ` Kevin D. Kissell [this message]
2012-09-11 1:27 ` David Daney
2012-09-11 2:28 ` Rich Felker
2012-09-11 8:58 ` Ralf Baechle
2012-09-11 8:12 ` Ralf Baechle
2012-09-11 13:44 ` Rich Felker
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