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| author | Mike Frysinger | 2008-11-18 10:48:22 +0100 |
|---|---|---|
| committer | Bryan Wu | 2008-11-18 10:48:22 +0100 |
| commit | 8a86176c4aee493bf8eb1dce8190b2f63d70d130 (patch) | |
| tree | d3cb7aed2febad7d2c419e29ef7f04aa1b3978a3 /arch/blackfin/kernel/ptrace.c | |
| parent | Blackfin arch: rewrite blackfin_invalidate_entire_dcache function (diff) | |
| download | kernel-qcow2-linux-8a86176c4aee493bf8eb1dce8190b2f63d70d130.tar.gz kernel-qcow2-linux-8a86176c4aee493bf8eb1dce8190b2f63d70d130.tar.xz kernel-qcow2-linux-8a86176c4aee493bf8eb1dce8190b2f63d70d130.zip | |
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 <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/kernel/ptrace.c')
| -rw-r--r-- | arch/blackfin/kernel/ptrace.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 4de44f387dd5..d5e6be2d5ed8 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 |