xref: /openbmc/linux/arch/arm64/include/asm/probes.h (revision 2891f2d5)
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 typedef u32 probe_opcode_t;
19 typedef void (probes_handler_t) (u32 opcode, long addr, struct pt_regs *);
20 
21 /* architecture specific copy of original instruction */
22 struct arch_probe_insn {
23 	probe_opcode_t *insn;
24 	pstate_check_t *pstate_cc;
25 	probes_handler_t *handler;
26 	/* restore address after step xol */
27 	unsigned long restore;
28 };
29 #ifdef CONFIG_KPROBES
30 typedef u32 kprobe_opcode_t;
31 struct arch_specific_insn {
32 	struct arch_probe_insn api;
33 };
34 #endif
35 
36 #endif
37