379 void register_undef_hook(struct undef_hook *hook)  in register_undef_hook()  argument
384 	list_add(&hook->node, &undef_hook);  in register_undef_hook()
388 void unregister_undef_hook(struct undef_hook *hook)  in unregister_undef_hook()  argument
393 	list_del(&hook->node);  in unregister_undef_hook()
399 	struct undef_hook *hook;  in call_undef_hook()  local
433 	list_for_each_entry(hook, &undef_hook, node)  in call_undef_hook()
434 		if ((instr & hook->instr_mask) == hook->instr_val &&  in call_undef_hook()
435 			(regs->pstate & hook->pstate_mask) == hook->pstate_val)  in call_undef_hook()
436 			fn = hook->fn;  in call_undef_hook()
753 	const struct sys64_hook *hook, *hook_base;  in do_cp15instr()  local
776 	for (hook = hook_base; hook->handler; hook++)  in do_cp15instr()
777 		if ((hook->esr_mask & esr) == hook->esr_val) {  in do_cp15instr()
778 			hook->handler(esr, regs);  in do_cp15instr()
794 	const struct sys64_hook *hook;  in do_sysinstr()  local
796 	for (hook = sys64_hooks; hook->handler; hook++)  in do_sysinstr()
797 		if ((hook->esr_mask & esr) == hook->esr_val) {  in do_sysinstr()
798 			hook->handler(esr, regs);  in do_sysinstr()