From 8a86176c4aee493bf8eb1dce8190b2f63d70d130 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 18 Nov 2008 17:48:22 +0800 Subject: [PATCH] Blackfin arch: overlay thread.usp over PT_USP overlay thread.usp over PT_USP when getting the whole regfile to match PT_USP behavior Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 4de44f3..d5e6be2d 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -80,10 +80,12 @@ static inline struct pt_regs *get_user_regs(struct task_struct *task) /* * Get all user integer registers. */ -static inline int ptrace_getregs(struct task_struct *tsk, void __user * uregs) +static inline int ptrace_getregs(struct task_struct *tsk, void __user *uregs) { - struct pt_regs *regs = get_user_regs(tsk); - return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0; + struct pt_regs regs; + memcpy(®s, get_user_regs(tsk), sizeof(regs)); + regs.usp = tsk->thread.usp; + return copy_to_user(uregs, ®s, sizeof(struct pt_regs)) ? -EFAULT : 0; } /* Mapping from PT_xxx to the stack offset at which the register is -- 2.7.4