156 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in swap_instruction()  local
157 	unsigned long status = kcb->kprobe_status;  in swap_instruction()
180 	kcb->kprobe_status = KPROBE_SWAP_INST;  in swap_instruction()
182 	kcb->kprobe_status = status;  in swap_instruction()
209 static void enable_singlestep(struct kprobe_ctlblk *kcb,  in enable_singlestep()  argument
221 	__ctl_store(kcb->kprobe_saved_ctl, 9, 11);  in enable_singlestep()
222 	kcb->kprobe_saved_imask = regs->psw.mask &  in enable_singlestep()
233 static void disable_singlestep(struct kprobe_ctlblk *kcb,  in disable_singlestep()  argument
238 	__ctl_load(kcb->kprobe_saved_ctl, 9, 11);  in disable_singlestep()
240 	regs->psw.mask |= kcb->kprobe_saved_imask;  in disable_singlestep()
250 static void push_kprobe(struct kprobe_ctlblk *kcb, struct kprobe *p)  in push_kprobe()  argument
252 	kcb->prev_kprobe.kp = __this_cpu_read(current_kprobe);  in push_kprobe()
253 	kcb->prev_kprobe.status = kcb->kprobe_status;  in push_kprobe()
263 static void pop_kprobe(struct kprobe_ctlblk *kcb)  in pop_kprobe()  argument
265 	__this_cpu_write(current_kprobe, kcb->prev_kprobe.kp);  in pop_kprobe()
266 	kcb->kprobe_status = kcb->prev_kprobe.status;  in pop_kprobe()
279 static void kprobe_reenter_check(struct kprobe_ctlblk *kcb, struct kprobe *p)  in kprobe_reenter_check()  argument
281 	switch (kcb->kprobe_status) {  in kprobe_reenter_check()
303 	struct kprobe_ctlblk *kcb;  in kprobe_handler()  local
312 	kcb = get_kprobe_ctlblk();  in kprobe_handler()
326 			kprobe_reenter_check(kcb, p);  in kprobe_handler()
327 			push_kprobe(kcb, p);  in kprobe_handler()
328 			kcb->kprobe_status = KPROBE_REENTER;  in kprobe_handler()
338 			push_kprobe(kcb, p);  in kprobe_handler()
339 			kcb->kprobe_status = KPROBE_HIT_ACTIVE;  in kprobe_handler()
342 			kcb->kprobe_status = KPROBE_HIT_SS;  in kprobe_handler()
344 		enable_singlestep(kcb, regs, (unsigned long) p->ainsn.insn);  in kprobe_handler()
356 			kcb->kprobe_status = KPROBE_HIT_SS;  in kprobe_handler()
357 			enable_singlestep(kcb, regs,  in kprobe_handler()
492 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in resume_execution()  local
529 	disable_singlestep(kcb, regs, ip);  in resume_execution()
535 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in post_kprobe_handler()  local
541 	if (kcb->kprobe_status != KPROBE_REENTER && p->post_handler) {  in post_kprobe_handler()
542 		kcb->kprobe_status = KPROBE_HIT_SSDONE;  in post_kprobe_handler()
547 	pop_kprobe(kcb);  in post_kprobe_handler()
564 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_trap_handler()  local
568 	switch(kcb->kprobe_status) {  in kprobe_trap_handler()
581 		disable_singlestep(kcb, regs, (unsigned long) p->addr);  in kprobe_trap_handler()
582 		pop_kprobe(kcb);  in kprobe_trap_handler()
680 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in setjmp_pre_handler()  local
683 	memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs));  in setjmp_pre_handler()
692 	memcpy(kcb->jprobes_stack, (void *) stack, MIN_STACK_SIZE(stack));  in setjmp_pre_handler()
705 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in longjmp_break_handler()  local
708 	stack = (unsigned long) kcb->jprobe_saved_regs.gprs[15];  in longjmp_break_handler()
711 	memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs));  in longjmp_break_handler()
713 	memcpy((void *) stack, kcb->jprobes_stack, MIN_STACK_SIZE(stack));  in longjmp_break_handler()