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-rw-r--r--arch/arm/kernel/ptrace.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index a1d1b2906e8d..c40bdc770054 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -634,6 +634,32 @@ static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp)
634 634
635#endif 635#endif
636 636
637#ifdef CONFIG_CRUNCH
638/*
639 * Get the child Crunch state.
640 */
641static int ptrace_getcrunchregs(struct task_struct *tsk, void __user *ufp)
642{
643 struct thread_info *thread = task_thread_info(tsk);
644
645 crunch_task_disable(thread); /* force it to ram */
646 return copy_to_user(ufp, &thread->crunchstate, CRUNCH_SIZE)
647 ? -EFAULT : 0;
648}
649
650/*
651 * Set the child Crunch state.
652 */
653static int ptrace_setcrunchregs(struct task_struct *tsk, void __user *ufp)
654{
655 struct thread_info *thread = task_thread_info(tsk);
656
657 crunch_task_release(thread); /* force a reload */
658 return copy_from_user(&thread->crunchstate, ufp, CRUNCH_SIZE)
659 ? -EFAULT : 0;
660}
661#endif
662
637long arch_ptrace(struct task_struct *child, long request, long addr, long data) 663long arch_ptrace(struct task_struct *child, long request, long addr, long data)
638{ 664{
639 unsigned long tmp; 665 unsigned long tmp;
@@ -765,6 +791,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
765 child->ptrace_message = data; 791 child->ptrace_message = data;
766 break; 792 break;
767 793
794#ifdef CONFIG_CRUNCH
795 case PTRACE_GETCRUNCHREGS:
796 ret = ptrace_getcrunchregs(child, (void __user *)data);
797 break;
798
799 case PTRACE_SETCRUNCHREGS:
800 ret = ptrace_setcrunchregs(child, (void __user *)data);
801 break;
802#endif
803
768 default: 804 default:
769 ret = ptrace_request(child, request, addr, data); 805 ret = ptrace_request(child, request, addr, data);
770 break; 806 break;