From: Arnd Bergmann <arnd@arndb.de>
To: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: linux-arch@vger.kernel.org
Subject: Re: [PATCH 13/16] h8300: ptrace helper
Date: Wed, 21 Jan 2015 09:51:34 +0100 [thread overview]
Message-ID: <2669606.8TdqsMIDS0@wuerfel> (raw)
In-Reply-To: <87h9vkvjnw.wl-ysato@users.sourceforge.jp>
On Wednesday 21 January 2015 13:31:47 Yoshinori Sato wrote:
> +long arch_ptrace(struct task_struct *child, long request,
> + unsigned long addr, unsigned long data)
> +{
> + int ret;
> + int regno = addr >> 2;
> + unsigned long __user *datap = (unsigned long __user *) data;
> +
> + switch (request) {
> + /* read the word at location addr in the USER area. */
> + case PTRACE_PEEKUSR: {
...
> + case PTRACE_POKEUSR: /* write the word at location addr
...
> + case PTRACE_GETREGS: { /* Get all gp regs from the child. */
...
> + case PTRACE_SETREGS: { /* Set all gp regs in the child. */
For modern architecture implementations, we now use 'regset' to
abstract these, and simplify the arch_ptrace interface to
a single ptrace_request call. See openrisc or arm64 as examples.
Arnd
next prev parent reply other threads:[~2015-01-21 8:51 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1421813622.git.ysato@users.sourceforge.jp>
2015-01-21 4:23 ` [PATCH 01/16] h8300: Assembly headers Yoshinori Sato
2015-01-21 11:02 ` Geert Uytterhoeven
2015-01-21 17:22 ` Yoshinori Sato
2015-01-21 4:23 ` [PATCH 02/16] h8300: UAPI headers Yoshinori Sato
2015-01-21 8:46 ` Arnd Bergmann
2015-01-21 17:16 ` Yoshinori Sato
2015-01-21 4:24 ` [PATCH 03/16] h8300: defconfigs Yoshinori Sato
2015-01-21 8:47 ` Arnd Bergmann
2015-01-21 4:24 ` [PATCH 04/16] h8300: Memory management Yoshinori Sato
2015-01-21 10:57 ` Geert Uytterhoeven
2015-01-21 17:20 ` Yoshinori Sato
2015-01-21 4:25 ` [PATCH 05/16] h8300: Target depend (hw define) part Yoshinori Sato
2015-01-21 4:27 ` [PATCH 06/16] drivers: Add h8300 Yoshinori Sato
2015-01-21 11:03 ` Geert Uytterhoeven
2015-01-21 17:23 ` Yoshinori Sato
2015-01-21 4:29 ` [PATCH 07/16] Add ELF machine Yoshinori Sato
2015-01-21 4:29 ` [PATCH 08/16] h8300: Build scripts Yoshinori Sato
2015-01-21 4:30 ` [PATCH 09/16] h8300: kernel startup Yoshinori Sato
2015-01-21 4:30 ` [PATCH 10/16] h8300: Exception and Interrupt handler Yoshinori Sato
2015-01-21 4:31 ` [PATCH 11/16] h8300: Libraries Yoshinori Sato
2015-01-21 4:31 ` [PATCH 12/16] h8300: clocksource Yoshinori Sato
2015-01-21 8:49 ` Arnd Bergmann
2015-01-21 17:06 ` Yoshinori Sato
2015-01-21 4:31 ` [PATCH 13/16] h8300: ptrace helper Yoshinori Sato
2015-01-21 8:51 ` Arnd Bergmann [this message]
2015-01-21 17:08 ` Yoshinori Sato
2015-01-21 4:32 ` [PATCH 14/16] h8300: signal handler Yoshinori Sato
2015-01-21 4:32 ` [PATCH 15/16] h8300: system call entry table Yoshinori Sato
2015-01-21 4:32 ` [PATCH 16/16] h8300: misc functions Yoshinori Sato
2015-01-21 9:01 ` Arnd Bergmann
2015-01-21 17:19 ` Yoshinori Sato
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