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	* on the PCB. The PCB doesn't have to be perfect, as long as it contains			* on the PCB. The PCB doesn't have to be perfect, as long as it contains
	* enough for a backtrace.			* enough for a backtrace.
	*/			*/
	void			void
	makectx(struct trapframe tf, struct pcb pcb)			makectx(struct trapframe tf, struct pcb pcb)
	{			{
	int i;			int i;

	for (i = 0; i < PCB_LR; i++)			for (i = 0; i < nitems(pcb->pcb_x); i++)
	pcb->pcb_x[i] = tf->tf_x[i];			pcb->pcb_x[i] = tf->tf_x[i];

	pcb->pcb_x[PCB_LR] = tf->tf_lr;			/* NB: pcb_lr is the PC, see PC_REGS() in db_machdep.h */
	pcb->pcb_pc = tf->tf_elr;			pcb->pcb_lr = tf->tf_elr;
	pcb->pcb_sp = tf->tf_sp;			pcb->pcb_sp = tf->tf_sp;
	}			}

	void			void
	sendsig(sig_t catcher, ksiginfo_t ksi, sigset_t mask)			sendsig(sig_t catcher, ksiginfo_t ksi, sigset_t mask)
	{			{
	struct thread *td;			struct thread *td;
	struct proc *p;			struct proc *p;
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