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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 | ||
27 | struct kprobe; | |
28 | ||
29 | typedef 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 */ | |
35 | struct arch_specific_insn { | |
36 | /* copy of original instruction | |
37 | */ | |
38 | kprobe_opcode_t insn[MAX_INSN_SIZE]; | |
39 | }; | |
40 | ||
41 | extern const int kretprobe_blacklist_size; | |
42 | ||
43 | extern 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 | ||
48 | extern void arch_remove_kprobe(struct kprobe *p); | |
49 | ||
50 | #endif /* _ASM_KPROBES_H */ |