From: Kyle McMartin <kyle@mcmartin.ca>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
Mike Frysinger <vapier@gentoo.org>,
linux-man <linux-man@vger.kernel.org>,
Kyle McMartin <kyle@infradead.org>, Helge Deller <deller@gmx.de>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
linux-parisc@vger.kernel.org
Subject: Re: [PATCH] man2 : syscall.2 : document syscall calling conventions
Date: Sun, 7 Apr 2013 11:11:34 -0400 [thread overview]
Message-ID: <20130407151134.GX12938@bombadil.infradead.org> (raw)
In-Reply-To: <1365346609.1992.10.camel@dabdike>
On Sun, Apr 07, 2013 at 07:56:49AM -0700, James Bottomley wrote:
> Actually, that's not quite correct. on 64 bits it's arg1-8 are %r26-%
> r19 but on 32 the convention is that arg1-arg4 are %r26-%r23 and the
> rest on stack. We can also do register pair combining on 32 bits for a
> 64 bit argument.
I guess the confusion is whether you're writing this from the kernel
side or the userspace side. The syscall instruction is called with six
arg registers, but we fix it on entry to the kernel when we call into C.
next prev parent reply other threads:[~2013-04-07 15:11 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-27 5:11 [PATCH] man2 : syscall.2 : add notes ch0.han-Hm3cg6mZ9cc
[not found] ` <1364361092-5948-1-git-send-email-ch0.han-Hm3cg6mZ9cc@public.gmane.org>
2013-03-27 7:53 ` (unknown), Changhee Han
2013-03-27 8:25 ` [PATCH v2] man2 : syscall.2 : add notes Changhee Han
2013-03-28 9:37 ` [PATCH] " Michael Kerrisk (man-pages)
2013-04-01 5:33 ` Changhee Han
[not found] ` <1364794429-20477-1-git-send-email-ch0.han-Hm3cg6mZ9cc@public.gmane.org>
2013-04-01 6:13 ` Mike Frysinger
[not found] ` <201304010213.06056.vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2013-04-01 6:22 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAki_8bOsuKTJLx3iMLeSvVXHo0bZf8zSUQ08RR7+D33xgQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-01 7:19 ` Mike Frysinger
[not found] ` <201304010319.45019.vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2013-04-01 7:36 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkhBASGvXGfdBSjpGaMuxoJofcQvZQrX3a=uxbcKQnXOAQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-01 8:29 ` Mike Frysinger
[not found] ` <201304010429.45737.vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2013-04-01 9:29 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkij3zDwakWvcRkRbknmV2Hpt4HWfH4uVqmxp+7gQek-2g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-01 10:32 ` Mike Frysinger
[not found] ` <201304010632.41520.vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2013-04-02 6:54 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkgG2kdCC1tyZQkYU7O_nP7RB8VoCmx6eb8FcudU1s6RgA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-02 23:17 ` [PATCH] man2 : syscall.2 : document syscall calling conventions Mike Frysinger
2013-04-07 10:00 ` Michael Kerrisk (man-pages)
2013-04-07 13:55 ` Kyle McMartin
2013-04-07 14:56 ` James Bottomley
2013-04-07 15:11 ` Kyle McMartin [this message]
[not found] ` <20130407151134.GX12938-PfSpb0PWhxZc2C7mugBRk2EX/6BAtgUQ@public.gmane.org>
2013-04-07 15:38 ` James Bottomley
2013-04-08 9:18 ` Michael Kerrisk (man-pages)
[not found] ` <20130407135514.GW12938-PfSpb0PWhxZc2C7mugBRk2EX/6BAtgUQ@public.gmane.org>
2013-04-07 18:39 ` Mike Frysinger
2013-04-07 18:48 ` John David Anglin
[not found] ` <BLU0-SMTP986B123D17DB8B88214F797C40-MsuGFMq8XAE@public.gmane.org>
2013-04-08 9:20 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkhv6tovvnucoofDR-eOe4H7xeFZDam9+iaVVndEqbuoXg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-12 1:40 ` Mike Frysinger
[not found] ` <201304112140.18506.vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2013-04-16 6:01 ` Michael Kerrisk (man-pages)
2013-04-12 1:55 ` Mike Frysinger
[not found] ` <201304112155.46349.vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2013-04-12 2:34 ` John David Anglin
2013-04-12 3:38 ` Mike Frysinger
2013-04-12 4:45 ` James Bottomley
2013-04-12 12:17 ` John David Anglin
2013-04-12 18:45 ` Mike Frysinger
2013-04-12 19:14 ` James Bottomley
2013-04-12 19:46 ` Mike Frysinger
2013-04-12 20:25 ` James Bottomley
2013-04-12 14:01 ` Kyle McMartin
[not found] ` <CAKgNAkgODPSWSeA8ZymiAjFBqSAZQMtQe9GW84Y6QHdFEc9S-w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-07 18:43 ` Mike Frysinger
2013-04-01 8:37 ` [PATCH] man2 : syscall.2 : add notes Mike Frysinger
[not found] ` <201304010437.52901.vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2013-04-01 9:30 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkit-qRPErHDzGEJ_yedA+O97bFxDsqWJMZOhCZ9DPvOtw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-01 10:09 ` Mike Frysinger
2013-04-01 7:05 ` Fw : Re : " 한창희
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