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Srikar Dronamraju2b144492012-02-09 14:56:42 +05301#ifndef _ASM_UPROBES_H
2#define _ASM_UPROBES_H
3/*
4 * Userspace Probes (UProbes) for x86
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 (C) IBM Corporation, 2008-2011
21 * Authors:
22 * Srikar Dronamraju
23 * Jim Keniston
24 */
25
26typedef u8 uprobe_opcode_t;
27#define MAX_UINSN_BYTES 16
28#define UPROBES_XOL_SLOT_BYTES 128 /* to keep it cache aligned */
29
30#define UPROBES_BKPT_INSN 0xcc
31#define UPROBES_BKPT_INSN_SIZE 1
32
33struct uprobe_arch_info {
34 u16 fixups;
35#ifdef CONFIG_X86_64
36 unsigned long rip_rela_target_address;
37#endif
38};
39
40struct uprobe;
41extern int analyze_insn(struct mm_struct *mm, struct uprobe *uprobe);
42#endif /* _ASM_UPROBES_H */