124 static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)  in save_previous_kprobe()  argument
126 	kcb->prev_kprobe.kp = kprobe_running();  in save_previous_kprobe()
127 	kcb->prev_kprobe.status = kcb->kprobe_status;  in save_previous_kprobe()
130 static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)  in restore_previous_kprobe()  argument
132 	__this_cpu_write(current_kprobe, kcb->prev_kprobe.kp);  in restore_previous_kprobe()
133 	kcb->kprobe_status = kcb->prev_kprobe.status;  in restore_previous_kprobe()
137 					 struct kprobe_ctlblk *kcb)  in set_current_kprobe()  argument
220 	struct kprobe_ctlblk *kcb;  in kprobe_handler()  local
227 	kcb = get_kprobe_ctlblk();  in kprobe_handler()
235 			if (kcb->kprobe_status == KPROBE_HIT_SS &&  in kprobe_handler()
245 			save_previous_kprobe(kcb);  in kprobe_handler()
246 			set_current_kprobe(p, regs, kcb);  in kprobe_handler()
249 			kcb->kprobe_status = KPROBE_REENTER;  in kprobe_handler()
277 	set_current_kprobe(p, regs, kcb);  in kprobe_handler()
278 	kcb->kprobe_status = KPROBE_HIT_ACTIVE;  in kprobe_handler()
286 	kcb->kprobe_status = KPROBE_HIT_SS;  in kprobe_handler()
374 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in post_kprobe_handler()  local
381 	if ((kcb->kprobe_status != KPROBE_REENTER) && cur->post_handler) {  in post_kprobe_handler()
382 		kcb->kprobe_status = KPROBE_HIT_SSDONE;  in post_kprobe_handler()
407 	if (kcb->kprobe_status == KPROBE_REENTER) {  in post_kprobe_handler()
408 		restore_previous_kprobe(kcb);  in post_kprobe_handler()
423 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_fault_handler()  local
426 	switch (kcb->kprobe_status) {  in kprobe_fault_handler()
437 		if (kcb->kprobe_status == KPROBE_REENTER)  in kprobe_fault_handler()
438 			restore_previous_kprobe(kcb);  in kprobe_fault_handler()
493 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_exceptions_notify()  local
506 			if ((kcb->kprobe_status == KPROBE_HIT_SS) ||  in kprobe_exceptions_notify()
507 			    (kcb->kprobe_status == KPROBE_REENTER)) {  in kprobe_exceptions_notify()
530 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in setjmp_pre_handler()  local
532 	kcb->jprobe_saved_regs = *regs;  in setjmp_pre_handler()
533 	kcb->jprobe_saved_r15 = regs->regs[15];  in setjmp_pre_handler()
534 	addr = kcb->jprobe_saved_r15;  in setjmp_pre_handler()
543 	memcpy(kcb->jprobes_stack, (kprobe_opcode_t *) addr,  in setjmp_pre_handler()
558 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in longjmp_break_handler()  local
559 	unsigned long stack_addr = kcb->jprobe_saved_r15;  in longjmp_break_handler()
564 		*regs = kcb->jprobe_saved_regs;  in longjmp_break_handler()
566 		memcpy((kprobe_opcode_t *)stack_addr, kcb->jprobes_stack,  in longjmp_break_handler()
569 		kcb->kprobe_status = KPROBE_HIT_SS;  in longjmp_break_handler()