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2dd0e8d2 SP |
1 | /* |
2 | * arch/arm64/include/asm/kprobes.h | |
3 | * | |
4 | * Copyright (C) 2013 Linaro Limited | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | */ | |
15 | ||
16 | #ifndef _ARM_KPROBES_H | |
17 | #define _ARM_KPROBES_H | |
18 | ||
19 | #include <linux/types.h> | |
20 | #include <linux/ptrace.h> | |
21 | #include <linux/percpu.h> | |
22 | ||
23 | #define __ARCH_WANT_KPROBES_INSN_SLOT | |
24 | #define MAX_INSN_SIZE 1 | |
25 | #define MAX_STACK_SIZE 128 | |
26 | ||
27 | #define flush_insn_slot(p) do { } while (0) | |
28 | #define kretprobe_blacklist_size 0 | |
29 | ||
30 | #include <asm/probes.h> | |
31 | ||
32 | struct prev_kprobe { | |
33 | struct kprobe *kp; | |
34 | unsigned int status; | |
35 | }; | |
36 | ||
37 | /* Single step context for kprobe */ | |
38 | struct kprobe_step_ctx { | |
39 | unsigned long ss_pending; | |
40 | unsigned long match_addr; | |
41 | }; | |
42 | ||
43 | /* per-cpu kprobe control block */ | |
44 | struct kprobe_ctlblk { | |
45 | unsigned int kprobe_status; | |
46 | unsigned long saved_irqflag; | |
47 | struct prev_kprobe prev_kprobe; | |
48 | struct kprobe_step_ctx ss_ctx; | |
49 | struct pt_regs jprobe_saved_regs; | |
50 | char jprobes_stack[MAX_STACK_SIZE]; | |
51 | }; | |
52 | ||
53 | void arch_remove_kprobe(struct kprobe *); | |
54 | int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); | |
55 | int kprobe_exceptions_notify(struct notifier_block *self, | |
56 | unsigned long val, void *data); | |
57 | int kprobe_breakpoint_handler(struct pt_regs *regs, unsigned int esr); | |
58 | int kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr); | |
59 | ||
60 | #endif /* _ARM_KPROBES_H */ |