1#ifndef _ASM_UPROBES_H
2#define _ASM_UPROBES_H
3/*
4 * User-space Probes (UProbes) for powerpc
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 as published by
8 * the Free Software Foundation; either version 2 of the License, 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 License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
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 * Copyright IBM Corporation, 2007-2012
21 *
22 * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
23 */
24
25#include <linux/notifier.h>
26#include <asm/probes.h>
27
28typedef ppc_opcode_t uprobe_opcode_t;
29
30#define MAX_UINSN_BYTES		4
31#define UPROBE_XOL_SLOT_BYTES	(MAX_UINSN_BYTES)
32
33/* The following alias is needed for reference from arch-agnostic code */
34#define UPROBE_SWBP_INSN	BREAKPOINT_INSTRUCTION
35#define UPROBE_SWBP_INSN_SIZE	4 /* swbp insn size in bytes */
36
37struct arch_uprobe {
38	union {
39		u32	insn;
40		u32	ixol;
41	};
42};
43
44struct arch_uprobe_task {
45	unsigned long	saved_trap_nr;
46};
47
48#endif	/* _ASM_UPROBES_H */
49