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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
4d86dfbb VG |
2 | /* |
3 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) | |
4d86dfbb VG |
4 | */ |
5 | ||
6 | #ifndef _ARC_KPROBES_H | |
7 | #define _ARC_KPROBES_H | |
8 | ||
7d134b2c LR |
9 | #include <asm-generic/kprobes.h> |
10 | ||
4d86dfbb VG |
11 | #ifdef CONFIG_KPROBES |
12 | ||
13 | typedef u16 kprobe_opcode_t; | |
14 | ||
15 | #define UNIMP_S_INSTRUCTION 0x79e0 | |
16 | #define TRAP_S_2_INSTRUCTION 0x785e | |
17 | ||
18 | #define MAX_INSN_SIZE 8 | |
19 | #define MAX_STACK_SIZE 64 | |
20 | ||
21 | struct arch_specific_insn { | |
22 | int is_short; | |
23 | kprobe_opcode_t *t1_addr, *t2_addr; | |
24 | kprobe_opcode_t t1_opcode, t2_opcode; | |
25 | }; | |
26 | ||
27 | #define flush_insn_slot(p) do { } while (0) | |
28 | ||
29 | #define kretprobe_blacklist_size 0 | |
30 | ||
31 | struct kprobe; | |
32 | ||
33 | void arch_remove_kprobe(struct kprobe *p); | |
34 | ||
35 | int kprobe_exceptions_notify(struct notifier_block *self, | |
36 | unsigned long val, void *data); | |
37 | ||
38 | struct prev_kprobe { | |
39 | struct kprobe *kp; | |
40 | unsigned long status; | |
41 | }; | |
42 | ||
43 | struct kprobe_ctlblk { | |
44 | unsigned int kprobe_status; | |
4d86dfbb VG |
45 | struct prev_kprobe prev_kprobe; |
46 | }; | |
47 | ||
48 | int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause); | |
49 | void kretprobe_trampoline(void); | |
38a9ff6d | 50 | void trap_is_kprobe(unsigned long address, struct pt_regs *regs); |
4d86dfbb | 51 | #else |
4c6fabda | 52 | #define trap_is_kprobe(address, regs) |
7d134b2c | 53 | #endif /* CONFIG_KPROBES */ |
4d86dfbb | 54 | |
7d134b2c | 55 | #endif /* _ARC_KPROBES_H */ |