| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 1 | #ifndef _ASM_UPROBES_H |
| 2 | #define _ASM_UPROBES_H |
| 3 | /* |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 4 | * User-space Probes (UProbes) for x86 |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 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 | |
| 26 | typedef u8 uprobe_opcode_t; |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 27 | |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 28 | #define MAX_UINSN_BYTES 16 |
| 29 | #define UPROBES_XOL_SLOT_BYTES 128 /* to keep it cache aligned */ |
| 30 | |
| 31 | #define UPROBES_BKPT_INSN 0xcc |
| 32 | #define UPROBES_BKPT_INSN_SIZE 1 |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 33 | |
| Srikar Dronamraju | 3ff54ef | 2012-02-22 14:46:02 +0530 | [diff] [blame^] | 34 | struct arch_uprobe { |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 35 | u16 fixups; |
| Srikar Dronamraju | 3ff54ef | 2012-02-22 14:46:02 +0530 | [diff] [blame^] | 36 | u8 insn[MAX_UINSN_BYTES]; |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 37 | #ifdef CONFIG_X86_64 |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 38 | unsigned long rip_rela_target_address; |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 39 | #endif |
| 40 | }; |
| 41 | |
| Srikar Dronamraju | 3ff54ef | 2012-02-22 14:46:02 +0530 | [diff] [blame^] | 42 | extern int arch_uprobes_analyze_insn(struct mm_struct *mm, struct arch_uprobe *arch_uprobe); |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 43 | #endif /* _ASM_UPROBES_H */ |