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1/* MN10300 Kernel Probes support
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by Mark Salter (msalter@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public Licence as published by
8 * the Free Software Foundation; either version 2 of the Licence, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public Licence for more details.
15 *
16 * You should have received a copy of the GNU General Public Licence
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 *
20 */
21#ifndef _ASM_KPROBES_H
22#define _ASM_KPROBES_H
23
24#include <linux/types.h>
25#include <linux/ptrace.h>
26
27struct kprobe;
28
29typedef unsigned char kprobe_opcode_t;
30#define BREAKPOINT_INSTRUCTION 0xff
31#define MAX_INSN_SIZE 8
32#define MAX_STACK_SIZE 128
33
34/* Architecture specific copy of original instruction */
35struct arch_specific_insn {
36 /* copy of original instruction
37 */
38 kprobe_opcode_t insn[MAX_INSN_SIZE];
39};
40
41extern const int kretprobe_blacklist_size;
42
43extern int kprobe_exceptions_notify(struct notifier_block *self,
44 unsigned long val, void *data);
45
46#define flush_insn_slot(p) do {} while (0)
47
48extern void arch_remove_kprobe(struct kprobe *p);
49
50#endif /* _ASM_KPROBES_H */