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sh: Check SR.DSP bit for DSP regset validity.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2008-09-12 22:56:35 +09:00
parent f9540ececa
commit 72461997c3
1 changed files with 9 additions and 0 deletions
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9
arch/sh/kernel/ptrace_32.c
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@ -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
};