1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * arch/arm/kernel/kprobes.h |
4 | * |
5 | * Copyright (C) 2011 Jon Medhurst <tixy@yxit.co.uk>. |
6 | * |
7 | * Some contents moved here from arch/arm/include/asm/kprobes.h which is |
8 | * Copyright (C) 2006, 2007 Motorola Inc. |
9 | */ |
10 | |
11 | #ifndef _ARM_KERNEL_KPROBES_H |
12 | #define _ARM_KERNEL_KPROBES_H |
13 | |
14 | #include <asm/kprobes.h> |
15 | #include "../decode.h" |
16 | |
17 | /* |
18 | * These undefined instructions must be unique and |
19 | * reserved solely for kprobes' use. |
20 | */ |
21 | #define KPROBE_ARM_BREAKPOINT_INSTRUCTION 0x07f001f8 |
22 | #define KPROBE_THUMB16_BREAKPOINT_INSTRUCTION 0xde18 |
23 | #define KPROBE_THUMB32_BREAKPOINT_INSTRUCTION 0xf7f0a018 |
24 | |
25 | extern void kprobes_remove_breakpoint(void *addr, unsigned int insn); |
26 | |
27 | enum probes_insn __kprobes |
28 | kprobe_decode_ldmstm(kprobe_opcode_t insn, struct arch_probes_insn *asi, |
29 | const struct decode_header *h); |
30 | |
31 | typedef enum probes_insn (kprobe_decode_insn_t)(probes_opcode_t, |
32 | struct arch_probes_insn *, |
33 | bool, |
34 | const union decode_action *, |
35 | const struct decode_checker *[]); |
36 | |
37 | #ifdef CONFIG_THUMB2_KERNEL |
38 | |
39 | extern const union decode_action kprobes_t32_actions[]; |
40 | extern const union decode_action kprobes_t16_actions[]; |
41 | extern const struct decode_checker *kprobes_t32_checkers[]; |
42 | extern const struct decode_checker *kprobes_t16_checkers[]; |
43 | #else /* !CONFIG_THUMB2_KERNEL */ |
44 | |
45 | extern const union decode_action kprobes_arm_actions[]; |
46 | extern const struct decode_checker *kprobes_arm_checkers[]; |
47 | |
48 | #endif |
49 | |
50 | #endif /* _ARM_KERNEL_KPROBES_H */ |
51 | |