linux-kernel - Re: [ARCH question] Do syscall_get_nr and syscall_get

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Message-ID: <CACM3HyHwrKQAWZRhE2N1VtGKu1xSvcGeuMG1Ag+vzP2BA111cQ@mail.gmail.com>
Date:	Fri, 7 Feb 2014 13:58:56 +0100
From:	Jonas Bonn <jonas.bonn@...il.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	linux-arch <linux-arch@...r.kernel.org>, linux-audit@...hat.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	Steve Grubb <sgrubb@...hat.com>, Eric Paris <eparis@...hat.com>
Subject: Re: [ARCH question] Do syscall_get_nr and syscall_get_arguments
 always work?

Hi Andy,

On 5 February 2014 00:50, Andy Lutomirski <luto@...capital.net> wrote:
>
> I can't even find the system call entry point on mips.
>
>
> Is there a semi-official answer here?

I don't have an official answer for you, but when I wanted to do
something with these entry points a couple of years back I discovered
that they aren't very thoroughly implemented across the various
architectures.  I started cleaning this up and can probably dig up
some of this for you if you need it.

See:
https://lkml.org/lkml/2011/10/23/87

Then again, this may be in better shape  today, already... I didn't check.

/Jonas

>
>
> --Andy
> --
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-- 
Jonas Bonn
Stockholm, Sweden
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