1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copied from arch/arm64/include/asm/kprobes.h
 4 *
 5 * Copyright (C) 2013 Linaro Limited
 6 * Copyright (C) 2017 SiFive
 7 */
 8
 9#ifndef _ASM_RISCV_KPROBES_H
10#define _ASM_RISCV_KPROBES_H
11
12#include <asm-generic/kprobes.h>
13
14#ifdef CONFIG_KPROBES
15#include <linux/types.h>
16#include <linux/ptrace.h>
17#include <linux/percpu.h>
18
19#define __ARCH_WANT_KPROBES_INSN_SLOT
20#define MAX_INSN_SIZE			2
21
22#define flush_insn_slot(p)		do { } while (0)
23#define kretprobe_blacklist_size	0
24
25#include <asm/probes.h>
26
27struct prev_kprobe {
28	struct kprobe *kp;
29	unsigned int status;
30};
31
32/* per-cpu kprobe control block */
33struct kprobe_ctlblk {
34	unsigned int kprobe_status;
35	unsigned long saved_status;
36	struct prev_kprobe prev_kprobe;
37};
38
39void arch_remove_kprobe(struct kprobe *p);
40int kprobe_fault_handler(struct pt_regs *regs, unsigned int trapnr);
41bool kprobe_breakpoint_handler(struct pt_regs *regs);
42bool kprobe_single_step_handler(struct pt_regs *regs);
43#else
44static inline bool kprobe_breakpoint_handler(struct pt_regs *regs)
45{
46	return false;
47}
48
49static inline bool kprobe_single_step_handler(struct pt_regs *regs)
50{
51	return false;
52}
53#endif /* CONFIG_KPROBES */
54#endif /* _ASM_RISCV_KPROBES_H */