linux_kernel/arch/arm64/include/asm/probes.h

/*
 * arch/arm64/include/asm/probes.h
 *
 * Copyright (C) 2013 Linaro Limited
 *
 * 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_PROBES_H
#define _ARM_PROBES_H

typedef u32 probe_opcode_t;
typedef void (probes_handler_t) (u32 opcode, long addr, struct pt_regs *);

/* architecture specific copy of original instruction */
struct arch_probe_insn {
	probe_opcode_t *insn;
	pstate_check_t *pstate_cc;
	probes_handler_t *handler;
	/* restore address after step xol */
	unsigned long restore;
};
#ifdef CONFIG_KPROBES
typedef u32 kprobe_opcode_t;
struct arch_specific_insn {
	struct arch_probe_insn api;
};
#endif

#endif