From 72461997c3c66c29775afa68ca31bea16bf17f39 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 12 Sep 2008 22:56:35 +0900 Subject: [PATCH] sh: Check SR.DSP bit for DSP regset validity. Signed-off-by: Paul Mundt --- arch/sh/kernel/ptrace_32.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 92fe2034f74a..0f44f2b51a60 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -179,6 +179,14 @@ static int dspregs_set(struct task_struct *target, return ret; } + +static int dspregs_active(struct task_struct *target, + const struct user_regset *regset) +{ + struct pt_regs *regs = task_pt_regs(target); + + return regs->sr & SR_DSP ? regset->n : 0; +} #endif /* @@ -213,6 +221,7 @@ static const struct user_regset sh_regsets[] = { .align = sizeof(long), .get = dspregs_get, .set = dspregs_set, + .active = dspregs_active, }, #endif }; -- 2.20.1