From mboxrd@z Thu Jan  1 00:00:00 1970
From: Helge Deller <deller@gmx.de>
Subject: Re: [PATCH] parisc: Pass the 5th and 6th argument for on the stack
 for 32bit ptraced processes too
Date: Sun, 03 Feb 2013 01:07:36 +0100
Message-ID: <510DAA48.4060409@gmx.de>
References: <20130202234643.GE1188@p100.box>
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To: linux-parisc@vger.kernel.org,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	John David Anglin <dave.anglin@bell.net>
Return-path: <linux-parisc-owner@vger.kernel.org>
In-Reply-To: <20130202234643.GE1188@p100.box>
List-ID: <linux-parisc.vger.kernel.org>
List-Id: linux-parisc.vger.kernel.org

This patch was originally submitted by Al Viro:
https://patchwork.kernel.org/patch/1853531/


On 02/03/2013 12:46 AM, Helge Deller wrote:
> Author: John David Anglin <dave.anglin@bell.net>
> 
> Signed-off-by: John David Anglin <dave.anglin@bell.net>
> Signed-off-by: Helge Deller <deller@gmx.de>
> 
> diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
> index 86742df..c893ec4 100644
> --- a/arch/parisc/kernel/syscall.S
> +++ b/arch/parisc/kernel/syscall.S
> @@ -309,10 +309,13 @@ tracesys_next:
>  	LDREG   TASK_PT_GR25(%r1), %r25
>  	LDREG   TASK_PT_GR24(%r1), %r24
>  	LDREG   TASK_PT_GR23(%r1), %r23
> -#ifdef CONFIG_64BIT
>  	LDREG   TASK_PT_GR22(%r1), %r22
>  	LDREG   TASK_PT_GR21(%r1), %r21
> +#ifdef CONFIG_64BIT
>  	ldo	-16(%r30),%r29			/* Reference param save area */
> +#else
> +	stw	%r22, -52(%r30)			/* 5th argument */
> +	stw	%r21, -56(%r30)			/* 6th argument */
>  #endif
>  
>  	comiclr,>>=	__NR_Linux_syscalls, %r20, %r0
>