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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * arch/parisc/include/asm/kprobes.h
4 *
5 * PA-RISC kprobes implementation
6 *
7 * Copyright (c) 2019 Sven Schnelle <svens@stackframe.org>
8 */
9
10#ifndef _PARISC_KPROBES_H
11#define _PARISC_KPROBES_H
12
13#ifdef CONFIG_KPROBES
14
15#include <asm-generic/kprobes.h>
16#include <linux/types.h>
17#include <linux/ptrace.h>
18#include <linux/notifier.h>
19
20#define PARISC_KPROBES_BREAK_INSN 0x3ff801f
21#define PARISC_KPROBES_BREAK_INSN2 0x3ff801e
22#define __ARCH_WANT_KPROBES_INSN_SLOT
23#define MAX_INSN_SIZE 2
24
25typedef u32 kprobe_opcode_t;
26struct kprobe;
27
28void arch_remove_kprobe(struct kprobe *p);
29
30#define flush_insn_slot(p) \
31 flush_icache_range((unsigned long)&(p)->ainsn.insn[0], \
32 (unsigned long)&(p)->ainsn.insn[0] + \
33 MAX_INSN_SIZE*sizeof(kprobe_opcode_t))
34
35#define kretprobe_blacklist_size 0
36
37struct arch_specific_insn {
38 kprobe_opcode_t *insn;
39};
40
41struct prev_kprobe {
42 struct kprobe *kp;
43 unsigned long status;
44};
45
46struct kprobe_ctlblk {
47 unsigned int kprobe_status;
48 struct prev_kprobe prev_kprobe;
49 unsigned long iaoq[2];
50};
51
52int __kprobes parisc_kprobe_break_handler(struct pt_regs *regs);
53int __kprobes parisc_kprobe_ss_handler(struct pt_regs *regs);
54static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
55{
56 return 0;
57}
58
59#endif /* CONFIG_KPROBES */
60#endif /* _PARISC_KPROBES_H */