From: Masami Hiramatsu <mhiramat@redhat.com>
To: Ingo Molnar <mingo@elte.hu>, linuxppc-dev@ozlabs.org
Cc: systemtap-ml <systemtap@sources.redhat.com>,
Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [RFC][PATCH -tip 4/9] power: add kernel_trap_sp()
Date: Thu, 19 Mar 2009 17:10:23 -0400 [thread overview]
Message-ID: <49C2B4BF.4080904@redhat.com> (raw)
Add kernel_trap_sp() on powerpc, based on systemtap's runtime/regs.h.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
---
arch/powerpc/include/asm/ptrace.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index c9c678f..0ac366c 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -83,6 +83,7 @@ struct pt_regs {
#define instruction_pointer(regs) ((regs)->nip)
#define user_stack_pointer(regs) ((regs)->gpr[1])
+#define kernel_trap_sp(regs) (user_stack_pointer(regs))
#define regs_return_value(regs) ((regs)->gpr[3])
#ifdef CONFIG_SMP
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next reply other threads:[~2009-03-19 21:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-19 21:10 Masami Hiramatsu [this message]
2009-03-20 5:42 ` [RFC][PATCH -tip 4/9] power: add kernel_trap_sp() Benjamin Herrenschmidt
2009-03-20 7:33 ` Ananth N Mavinakayanahalli
2009-03-20 10:53 ` Masami Hiramatsu
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