| 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 | |
| Srikar Dronamraju | 0326f5a | 2012-03-13 23:30:11 +0530 | [diff] [blame] | 26 | #include <linux/notifier.h> |
| 27 | |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 28 | typedef u8 uprobe_opcode_t; |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 29 | |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 30 | #define MAX_UINSN_BYTES 16 |
| Srikar Dronamraju | 900771a | 2012-03-12 14:55:14 +0530 | [diff] [blame] | 31 | #define UPROBE_XOL_SLOT_BYTES 128 /* to keep it cache aligned */ |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 32 | |
| Srikar Dronamraju | 5cb4ac3 | 2012-03-12 14:55:45 +0530 | [diff] [blame] | 33 | #define UPROBE_SWBP_INSN 0xcc |
| 34 | #define UPROBE_SWBP_INSN_SIZE 1 |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 35 | |
| Srikar Dronamraju | 3ff54ef | 2012-02-22 14:46:02 +0530 | [diff] [blame] | 36 | struct arch_uprobe { |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 37 | u16 fixups; |
| Oleg Nesterov | 8a8de66 | 2013-11-04 20:27:13 +0100 | [diff] [blame] | 38 | union { |
| 39 | u8 insn[MAX_UINSN_BYTES]; |
| 40 | u8 ixol[MAX_UINSN_BYTES]; |
| 41 | }; |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 42 | #ifdef CONFIG_X86_64 |
| Ingo Molnar | 7b2d81d | 2012-02-17 09:27:41 +0100 | [diff] [blame] | 43 | unsigned long rip_rela_target_address; |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 44 | #endif |
| 45 | }; |
| 46 | |
| Srikar Dronamraju | 0326f5a | 2012-03-13 23:30:11 +0530 | [diff] [blame] | 47 | struct arch_uprobe_task { |
| Srikar Dronamraju | 0326f5a | 2012-03-13 23:30:11 +0530 | [diff] [blame] | 48 | #ifdef CONFIG_X86_64 |
| 49 | unsigned long saved_scratch_register; |
| 50 | #endif |
| Oleg Nesterov | baedbf0 | 2012-09-03 17:02:16 +0200 | [diff] [blame] | 51 | unsigned int saved_trap_nr; |
| Oleg Nesterov | 3a4664a | 2012-09-03 16:05:10 +0200 | [diff] [blame] | 52 | unsigned int saved_tf; |
| Srikar Dronamraju | 0326f5a | 2012-03-13 23:30:11 +0530 | [diff] [blame] | 53 | }; |
| 54 | |
| Srikar Dronamraju | 2b14449 | 2012-02-09 14:56:42 +0530 | [diff] [blame] | 55 | #endif /* _ASM_UPROBES_H */ |