xref: /openbmc/linux/arch/arm64/include/asm/probes.h (revision 39a67d49)
1 /*
2  * arch/arm64/include/asm/probes.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 #ifndef _ARM_PROBES_H
16 #define _ARM_PROBES_H
17 
18 #include <asm/opcodes.h>
19 
20 struct kprobe;
21 struct arch_specific_insn;
22 
23 typedef u32 kprobe_opcode_t;
24 typedef void (kprobes_handler_t) (u32 opcode, long addr, struct pt_regs *);
25 
26 /* architecture specific copy of original instruction */
27 struct arch_specific_insn {
28 	kprobe_opcode_t *insn;
29 	pstate_check_t *pstate_cc;
30 	kprobes_handler_t *handler;
31 	/* restore address after step xol */
32 	unsigned long restore;
33 };
34 
35 #endif
36