1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * arch/arm64/include/asm/kprobes.h
4  *
5  * Copyright (C) 2013 Linaro Limited
6  */
7 
8 #ifndef _ARM_KPROBES_H
9 #define _ARM_KPROBES_H
10 
11 #include <asm-generic/kprobes.h>
12 
13 #ifdef CONFIG_KPROBES
14 #include <linux/types.h>
15 #include <linux/ptrace.h>
16 #include <linux/percpu.h>
17 
18 #define __ARCH_WANT_KPROBES_INSN_SLOT
19 #define MAX_INSN_SIZE			2
20 
21 #define flush_insn_slot(p)		do { } while (0)
22 #define kretprobe_blacklist_size	0
23 
24 #include <asm/probes.h>
25 
26 struct prev_kprobe {
27 	struct kprobe *kp;
28 	unsigned int status;
29 };
30 
31 /* per-cpu kprobe control block */
32 struct kprobe_ctlblk {
33 	unsigned int kprobe_status;
34 	unsigned long saved_irqflag;
35 	struct prev_kprobe prev_kprobe;
36 };
37 
38 void arch_remove_kprobe(struct kprobe *);
39 int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr);
40 int kprobe_exceptions_notify(struct notifier_block *self,
41 			     unsigned long val, void *data);
42 void __kretprobe_trampoline(void);
43 void __kprobes *trampoline_probe_handler(struct pt_regs *regs);
44 
45 #endif /* CONFIG_KPROBES */
46 #endif /* _ARM_KPROBES_H */
47