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Subject[RFC][PATCH -tip 4/9] power: add kernel_trap_sp()
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




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