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/*
* arch/arm/kernel/kprobes.h
*
* Copyright (C) 2011 Jon Medhurst <tixy@yxit.co.uk>.
*
* Some contents moved here from arch/arm/include/asm/kprobes.h which is
* Copyright (C) 2006, 2007 Motorola Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef _ARM_KERNEL_KPROBES_H
#define _ARM_KERNEL_KPROBES_H
/*
* These undefined instructions must be unique and
* reserved solely for kprobes' use.
*/
#define KPROBE_ARM_BREAKPOINT_INSTRUCTION 0x07f001f8
#define KPROBE_THUMB16_BREAKPOINT_INSTRUCTION 0xde18
#define KPROBE_THUMB32_BREAKPOINT_INSTRUCTION 0xf7f0a018
struct decode_header;
union decode_action;
enum kprobe_insn {
INSN_REJECTED,
INSN_GOOD,
INSN_GOOD_NO_SLOT
};
typedef enum kprobe_insn (kprobe_decode_insn_t)(probes_opcode_t,
struct arch_specific_insn *,
const union decode_action *);
#ifdef CONFIG_THUMB2_KERNEL
enum kprobe_insn thumb16_kprobe_decode_insn(probes_opcode_t,
struct arch_specific_insn *,
const union decode_action *);
enum kprobe_insn thumb32_kprobe_decode_insn(probes_opcode_t,
struct arch_specific_insn *,
const union decode_action *);
#else /* !CONFIG_THUMB2_KERNEL */
enum kprobe_insn arm_kprobe_decode_insn(probes_opcode_t,
struct arch_specific_insn *,
const union decode_action *);
#endif
void __init arm_kprobe_decode_init(void);
#include "probes.h"
#endif /* _ARM_KERNEL_KPROBES_H */
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