464 save_previous_kprobe(struct kprobe_ctlblk *kcb)  in save_previous_kprobe()  argument
466 	kcb->prev_kprobe.kp = kprobe_running();  in save_previous_kprobe()
467 	kcb->prev_kprobe.status = kcb->kprobe_status;  in save_previous_kprobe()
468 	kcb->prev_kprobe.old_flags = kcb->kprobe_old_flags;  in save_previous_kprobe()
469 	kcb->prev_kprobe.saved_flags = kcb->kprobe_saved_flags;  in save_previous_kprobe()
473 restore_previous_kprobe(struct kprobe_ctlblk *kcb)  in restore_previous_kprobe()  argument
475 	__this_cpu_write(current_kprobe, kcb->prev_kprobe.kp);  in restore_previous_kprobe()
476 	kcb->kprobe_status = kcb->prev_kprobe.status;  in restore_previous_kprobe()
477 	kcb->kprobe_old_flags = kcb->prev_kprobe.old_flags;  in restore_previous_kprobe()
478 	kcb->kprobe_saved_flags = kcb->prev_kprobe.saved_flags;  in restore_previous_kprobe()
483 		   struct kprobe_ctlblk *kcb)  in set_current_kprobe()  argument
486 	kcb->kprobe_saved_flags = kcb->kprobe_old_flags  in set_current_kprobe()
489 		kcb->kprobe_saved_flags &= ~X86_EFLAGS_IF;  in set_current_kprobe()
524 			     struct kprobe_ctlblk *kcb, int reenter)  in setup_singlestep()  argument
545 		save_previous_kprobe(kcb);  in setup_singlestep()
546 		set_current_kprobe(p, regs, kcb);  in setup_singlestep()
547 		kcb->kprobe_status = KPROBE_REENTER;  in setup_singlestep()
549 		kcb->kprobe_status = KPROBE_HIT_SS;  in setup_singlestep()
568 			  struct kprobe_ctlblk *kcb)  in reenter_kprobe()  argument
570 	switch (kcb->kprobe_status) {  in reenter_kprobe()
575 		setup_singlestep(p, regs, kcb, 1);  in reenter_kprobe()
606 	struct kprobe_ctlblk *kcb;  in kprobe_int3_handler()  local
620 	kcb = get_kprobe_ctlblk();  in kprobe_int3_handler()
625 			if (reenter_kprobe(p, regs, kcb))  in kprobe_int3_handler()
628 			set_current_kprobe(p, regs, kcb);  in kprobe_int3_handler()
629 			kcb->kprobe_status = KPROBE_HIT_ACTIVE;  in kprobe_int3_handler()
640 				setup_singlestep(p, regs, kcb, 0);  in kprobe_int3_handler()
659 			if (!skip_singlestep(p, regs, kcb))  in kprobe_int3_handler()
660 				setup_singlestep(p, regs, kcb, 0);  in kprobe_int3_handler()
827 			     struct kprobe_ctlblk *kcb)  in resume_execution()  argument
841 		*tos |= kcb->kprobe_old_flags;  in resume_execution()
911 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_debug_handler()  local
916 	resume_execution(cur, regs, kcb);  in kprobe_debug_handler()
917 	regs->flags |= kcb->kprobe_saved_flags;  in kprobe_debug_handler()
919 	if ((kcb->kprobe_status != KPROBE_REENTER) && cur->post_handler) {  in kprobe_debug_handler()
920 		kcb->kprobe_status = KPROBE_HIT_SSDONE;  in kprobe_debug_handler()
925 	if (kcb->kprobe_status == KPROBE_REENTER) {  in kprobe_debug_handler()
926 		restore_previous_kprobe(kcb);  in kprobe_debug_handler()
948 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_fault_handler()  local
952 		WARN_ON(kcb->kprobe_status != KPROBE_HIT_SS &&  in kprobe_fault_handler()
953 			kcb->kprobe_status != KPROBE_REENTER);  in kprobe_fault_handler()
962 		regs->flags |= kcb->kprobe_old_flags;  in kprobe_fault_handler()
963 		if (kcb->kprobe_status == KPROBE_REENTER)  in kprobe_fault_handler()
964 			restore_previous_kprobe(kcb);  in kprobe_fault_handler()
968 	} else if (kcb->kprobe_status == KPROBE_HIT_ACTIVE ||  in kprobe_fault_handler()
969 		   kcb->kprobe_status == KPROBE_HIT_SSDONE) {  in kprobe_fault_handler()
1034 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in setjmp_pre_handler()  local
1036 	kcb->jprobe_saved_regs = *regs;  in setjmp_pre_handler()
1037 	kcb->jprobe_saved_sp = stack_addr(regs);  in setjmp_pre_handler()
1038 	addr = (unsigned long)(kcb->jprobe_saved_sp);  in setjmp_pre_handler()
1047 	memcpy(kcb->jprobes_stack, (kprobe_opcode_t *)addr,  in setjmp_pre_handler()
1067 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in jprobe_return()  local
1079 			(kcb->jprobe_saved_sp):"memory");  in jprobe_return()
1086 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in longjmp_break_handler()  local
1089 	void *saved_sp = kcb->jprobe_saved_sp;  in longjmp_break_handler()
1094 			struct pt_regs *saved_regs = &kcb->jprobe_saved_regs;  in longjmp_break_handler()
1106 		*regs = kcb->jprobe_saved_regs;  in longjmp_break_handler()
1107 		memcpy(saved_sp, kcb->jprobes_stack, MIN_STACK_SIZE(saved_sp));  in longjmp_break_handler()