projects / deliverable / linux.git / blame
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|---|---|---|
| 2b144498 SD |
1 | #ifndef _ASM_UPROBES_H |
| 2 | #define _ASM_UPROBES_H | |
| 3 | /* | |
| 7b2d81d4 | 4 | * User-space Probes (UProbes) for x86 |
| 2b144498 SD |
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 | ||
| 0326f5a9 SD |
26 | #include <linux/notifier.h> |
| 27 | ||
| 2b144498 | 28 | typedef u8 uprobe_opcode_t; |
| 2b144498 | 29 | |
| 7b2d81d4 | 30 | #define MAX_UINSN_BYTES 16 |
| 900771a4 | 31 | #define UPROBE_XOL_SLOT_BYTES 128 /* to keep it cache aligned */ |
| 7b2d81d4 | 32 | |
| 5cb4ac3a SD |
33 | #define UPROBE_SWBP_INSN 0xcc |
| 34 | #define UPROBE_SWBP_INSN_SIZE 1 | |
| 2b144498 | 35 | |
| 8ad8e9d3 ON |
36 | struct uprobe_xol_ops; |
| 37 | ||
| 3ff54efd | 38 | struct arch_uprobe { |
| 8a8de66c ON |
39 | union { |
| 40 | u8 insn[MAX_UINSN_BYTES]; | |
| 41 | u8 ixol[MAX_UINSN_BYTES]; | |
| 42 | }; | |
| 8ad8e9d3 ON |
43 | |
| 44 | u16 fixups; | |
| 45 | const struct uprobe_xol_ops *ops; | |
| 46 | ||
| 7ba6db2d | 47 | union { |
| 2b144498 | 48 | #ifdef CONFIG_X86_64 |
| 7ba6db2d | 49 | unsigned long rip_rela_target_address; |
| 2b144498 | 50 | #endif |
| 7ba6db2d ON |
51 | struct { |
| 52 | s32 offs; | |
| 53 | u8 ilen; | |
| 54 | } branch; | |
| 55 | }; | |
| 2b144498 SD |
56 | }; |
| 57 | ||
| 0326f5a9 | 58 | struct arch_uprobe_task { |
| 0326f5a9 SD |
59 | #ifdef CONFIG_X86_64 |
| 60 | unsigned long saved_scratch_register; | |
| 61 | #endif | |
| baedbf02 | 62 | unsigned int saved_trap_nr; |
| 3a4664aa | 63 | unsigned int saved_tf; |
| 0326f5a9 SD |
64 | }; |
| 65 | ||
| 2b144498 | 66 | #endif /* _ASM_UPROBES_H */ |