diff options
Diffstat (limited to 'include/linux/uprobes.h')
-rw-r--r-- | include/linux/uprobes.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h new file mode 100644 index 00000000000..eac525f41b9 --- /dev/null +++ b/include/linux/uprobes.h | |||
@@ -0,0 +1,76 @@ | |||
1 | #ifndef _LINUX_UPROBES_H | ||
2 | #define _LINUX_UPROBES_H | ||
3 | /* | ||
4 | * User-space Probes (UProbes) | ||
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, 2008-2012 | ||
21 | * Authors: | ||
22 | * Srikar Dronamraju | ||
23 | * Jim Keniston | ||
24 | * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> | ||
25 | */ | ||
26 | |||
27 | #include <linux/errno.h> | ||
28 | #include <linux/rbtree.h> | ||
29 | |||
30 | struct vm_area_struct; | ||
31 | #ifdef CONFIG_ARCH_SUPPORTS_UPROBES | ||
32 | #include <asm/uprobes.h> | ||
33 | #endif | ||
34 | |||
35 | /* flags that denote/change uprobes behaviour */ | ||
36 | |||
37 | /* Have a copy of original instruction */ | ||
38 | #define UPROBE_COPY_INSN 0x1 | ||
39 | |||
40 | /* Dont run handlers when first register/ last unregister in progress*/ | ||
41 | #define UPROBE_RUN_HANDLER 0x2 | ||
42 | |||
43 | struct uprobe_consumer { | ||
44 | int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs); | ||
45 | /* | ||
46 | * filter is optional; If a filter exists, handler is run | ||
47 | * if and only if filter returns true. | ||
48 | */ | ||
49 | bool (*filter)(struct uprobe_consumer *self, struct task_struct *task); | ||
50 | |||
51 | struct uprobe_consumer *next; | ||
52 | }; | ||
53 | |||
54 | #ifdef CONFIG_UPROBES | ||
55 | extern int __weak set_swbp(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr); | ||
56 | extern int __weak set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr, bool verify); | ||
57 | extern bool __weak is_swbp_insn(uprobe_opcode_t *insn); | ||
58 | extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc); | ||
59 | extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc); | ||
60 | extern int uprobe_mmap(struct vm_area_struct *vma); | ||
61 | #else /* CONFIG_UPROBES is not defined */ | ||
62 | static inline int | ||
63 | uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc) | ||
64 | { | ||
65 | return -ENOSYS; | ||
66 | } | ||
67 | static inline void | ||
68 | uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc) | ||
69 | { | ||
70 | } | ||
71 | static inline int uprobe_mmap(struct vm_area_struct *vma) | ||
72 | { | ||
73 | return 0; | ||
74 | } | ||
75 | #endif /* CONFIG_UPROBES */ | ||
76 | #endif /* _LINUX_UPROBES_H */ | ||