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From: Arnd Bergmann <arnd@arndb.de>
To: Guo Ren <ren_guo@c-sky.com>
Cc: linux-arch <linux-arch@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Jason Cooper <jason@lakedaemon.net>,
	c-sky_gcc_upstream@c-sky.com, gnu-csky@mentor.com,
	thomas.petazzoni@bootlin.com, wbx@uclibc-ng.org
Subject: Re: [PATCH 12/19] csky: Debug and Ptrace GDB
Date: Mon, 26 Mar 2018 15:06:21 +0200	[thread overview]
Message-ID: <CAK8P3a276dfzFE8kxYFx_RgJWx31px6M24tf+h7eRowma69Fhg@mail.gmail.com> (raw)
In-Reply-To: <31d854396de0d279cdd3bc621806362e79cca60e.1521399976.git.ren_guo@c-sky.com>

On Sun, Mar 18, 2018 at 8:51 PM, Guo Ren <ren_guo@c-sky.com> wrote:
> Signed-off-by: Guo Ren <ren_guo@c-sky.com>

> + */
> +long arch_ptrace(struct task_struct *child, long request, unsigned long addr,
> +               unsigned long data)
> +{
> +       unsigned long tmp = 0, ret = 0;
> +       int i;
> +
> +       switch (request) {
> +               /* read the word at location addr in the USER area. */
> +       case PTRACE_PEEKUSR:

> +
> +       case PTRACE_POKEUSR:  /* write the word at location addr in the USER area */

> +       case PTRACE_GETREGS:    /* Get all gp regs from the child. */

> +       case PTRACE_SETREGS:    /* Set all gp regs in the child. */
> +               for (i = 0; i <= CSKY_GREG_NUM; i++) {
> +                       ret = get_user(tmp, (unsigned long *)data);


I think all of these should use the regset code like arch/riscv/kernel/ptrace.c
does.

       Arnd

  parent reply	other threads:[~2018-03-26 13:06 UTC|newest]

Thread overview: 126+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-18 19:51 [PATCH 00/19] C-SKY(csky) Linux Kernel Port Guo Ren
2018-03-18 19:51 ` Guo Ren
2018-03-18 19:51 ` [PATCH 01/19] csky: Kernel booting Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 02/19] csky: Exception handling and syscall Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-19  1:48   ` Mark Rutland
2018-03-19  1:48     ` Mark Rutland
2018-03-19  6:47     ` Guo Ren
2018-03-19  6:47       ` Guo Ren
2018-03-19  8:50   ` Dominik Brodowski
2018-03-19  8:50     ` Dominik Brodowski
2018-03-19 11:03     ` Guo Ren
2018-03-19 11:03       ` Guo Ren
2018-03-18 19:51 ` [PATCH 03/19] csky: Cache and TLB routines Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 04/19] csky: MMU and page talbe management Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 05/19] csky: Process management Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 06/19] csky: IRQ handling Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-19 13:16   ` Thomas Gleixner
2018-03-19 13:16     ` Thomas Gleixner
2018-03-20  2:06     ` Guo Ren
2018-03-20  2:06       ` Guo Ren
2018-03-18 19:51 ` [PATCH 07/19] csky: Atomic operations Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 08/19] csky: ELF and module probe Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 09/19] csky: VDSO and rt_sigreturn Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 10/19] csky: Signal handling Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-26 13:04   ` Arnd Bergmann
2018-03-26 13:04     ` Arnd Bergmann
2018-03-27  2:41     ` Guo Ren
2018-03-27  2:41       ` Guo Ren
2018-03-18 19:51 ` [PATCH 11/19] csky: Library functions Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 12/19] csky: Debug and Ptrace GDB Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-26 13:06   ` Arnd Bergmann [this message]
2018-03-26 13:06     ` Arnd Bergmann
2018-03-18 19:51 ` [PATCH 13/19] csky: User access Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 19:51 ` [PATCH 14/19] csky: Misc headers Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-19 16:11   ` Arnd Bergmann
2018-03-19 16:11     ` Arnd Bergmann
2018-03-20  3:36     ` Guo Ren
2018-03-20  3:36       ` Guo Ren
2018-03-20  7:54       ` Arnd Bergmann
2018-03-20  7:54         ` Arnd Bergmann
2018-03-20 13:22         ` Guo Ren
2018-03-20 13:22           ` Guo Ren
2018-03-18 19:51 ` [PATCH 15/19] csky: Build infrastructure Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-19 15:45   ` Arnd Bergmann
2018-03-19 15:45     ` Arnd Bergmann
2018-03-20 13:13     ` Guo Ren
2018-03-20 13:13       ` Guo Ren
2018-03-21  7:36       ` Arnd Bergmann
2018-03-21  7:36         ` Arnd Bergmann
2018-03-21 12:41         ` Guo Ren
2018-03-21 12:41           ` Guo Ren
2018-03-26 13:00           ` Arnd Bergmann
2018-03-26 13:00             ` Arnd Bergmann
2018-03-27  2:39             ` Guo Ren
2018-03-27  2:39               ` Guo Ren
2018-03-27  7:38               ` Arnd Bergmann
2018-03-27  7:38                 ` Arnd Bergmann
2018-03-28  3:49                 ` Guo Ren
2018-03-28  3:49                   ` Guo Ren
2018-03-28  7:40                   ` Arnd Bergmann
2018-03-28  7:40                     ` Arnd Bergmann
2018-03-28  8:04                     ` Guo Ren
2018-03-28  8:04                       ` Guo Ren
2018-03-18 19:51 ` [PATCH 16/19] csky: Device tree Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-19 15:28   ` Arnd Bergmann
2018-03-19 15:28     ` Arnd Bergmann
2018-03-20 13:55     ` Guo Ren
2018-03-20 13:55       ` Guo Ren
2018-03-18 19:51 ` [PATCH 17/19] csky: defconfig Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-26 13:16   ` Arnd Bergmann
2018-03-26 13:16     ` Arnd Bergmann
2018-03-27  2:21     ` Guo Ren
2018-03-27  2:21       ` Guo Ren
2018-03-27  7:48       ` Arnd Bergmann
2018-03-27  7:48         ` Arnd Bergmann
2018-03-28  3:59         ` Guo Ren
2018-03-28  3:59           ` Guo Ren
2018-03-18 19:51 ` [PATCH 18/19] clocksource: add timer-nationalchip.c Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-18 22:07   ` Daniel Lezcano
2018-03-18 22:07     ` Daniel Lezcano
2018-03-19  6:59     ` Guo Ren
2018-03-19  6:59       ` Guo Ren
2018-03-19  4:15   ` Mark Rutland
2018-03-19  4:15     ` Mark Rutland
2018-03-19  7:03     ` Guo Ren
2018-03-19  7:03       ` Guo Ren
2018-03-18 19:51 ` [PATCH 19/19] irqchip: add irq-nationalchip.c and irq-csky.c Guo Ren
2018-03-18 19:51   ` Guo Ren
2018-03-19  4:26   ` Mark Rutland
2018-03-19  4:26     ` Mark Rutland
2018-03-19  7:08     ` Guo Ren
2018-03-19  7:08       ` Guo Ren
2018-03-19 13:30   ` Thomas Gleixner
2018-03-19 13:30     ` Thomas Gleixner
2018-03-20 14:23     ` Guo Ren
2018-03-20 14:23       ` Guo Ren
2018-03-18 20:25 ` [PATCH 00/19] C-SKY(csky) Linux Kernel Port Joe Perches
2018-03-18 20:25   ` Joe Perches
2018-03-19  7:11   ` Guo Ren
2018-03-19  7:11     ` Guo Ren
2018-03-26 13:30 ` Arnd Bergmann
2018-03-26 13:30   ` Arnd Bergmann
2018-03-26 15:06   ` [gnu-csky] " Sandra Loosemore
2018-03-26 15:06     ` Sandra Loosemore
2018-03-26 15:11     ` Arnd Bergmann
2018-03-26 15:11       ` Arnd Bergmann
2018-03-27  1:58   ` Guo Ren
2018-03-27  1:58     ` Guo Ren

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