linux-kernel - Re: [patch 19/36] Hexagon: Add ptrace support

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Message-ID: <2462338.kr2t1K64O5@wuerfel>
Date:	Wed, 17 Aug 2011 21:47:02 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Richard Kuo <rkuo@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org, linux-hexagon@...r.kernel.org
Subject: Re: [patch 19/36] Hexagon: Add ptrace support

On Wednesday 17 August 2011 11:35:16 Richard Kuo wrote:
> +       switch (request) {
> +       case PTRACE_PEEKUSR:    /* read register specified by addr. */
> +               ret = ptrace_peekusr(child, addr, (void __user *) data);
> +               break;
> +       case PTRACE_POKETEXT:   /* write the word at location addr. */
> +       case PTRACE_POKEDATA:
> +               ret = generic_ptrace_pokedata(child, addr, data);
> +               break;
> +       case PTRACE_POKEUSR:    /* write register specified by addr. */
> +               ret = ptrace_pokeusr(child, addr, data);
> +               break;
> +       case PTRACE_GETREGS:
> +               ret = ptrace_getregs(child, (void __user *) data);
> +               break;
> +       case PTRACE_SETREGS:
> +               ret = ptrace_setregs(child, (void __user *) data);
> +               break;
> +       default:

I believe the current way to do this is to use regsets for everything,
see arch/openrisc/kernel/ptrace.c

	Arnd
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