| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 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 */ |