[RFC][PATCH -tip 6/9] arm: add kernel_trap_sp()

[Masami Hiramatsu]

Add kernel_trap_sp() on ARM, based on systemtap's runtime/regs.h.

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
 arch/arm/include/asm/ptrace.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 7319261..14e0e16 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -138,7 +138,8 @@ static inline int valid_user_regs(struct pt_regs *regs)
 	return 0;
 }

-#define instruction_pointer(regs)	(regs)->ARM_pc
+#define instruction_pointer(regs)	((regs)->ARM_pc)
+#define kernel_trap_sp(regs)		((regs)->ARM_sp)

 #ifdef CONFIG_SMP
 extern unsigned long profile_pc(struct pt_regs *regs);
-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@xxxxxxxxxx


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