1 #ifndef _LINUX_UPROBES_H
2 #define _LINUX_UPROBES_H
4 * User-space Probes (UProbes)
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.
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.
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.
20 * Copyright (C) IBM Corporation, 2008-2011
26 #include <linux/errno.h>
27 #include <linux/rbtree.h>
29 struct vm_area_struct;
30 #ifdef CONFIG_ARCH_SUPPORTS_UPROBES
31 #include <asm/uprobes.h>
34 /* flags that denote/change uprobes behaviour */
36 /* Have a copy of original instruction */
37 #define UPROBES_COPY_INSN 0x1
39 /* Dont run handlers when first register/ last unregister in progress*/
40 #define UPROBES_RUN_HANDLER 0x2
42 struct uprobe_consumer {
43 int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs);
45 * filter is optional; If a filter exists, handler is run
46 * if and only if filter returns true.
48 bool (*filter)(struct uprobe_consumer *self, struct task_struct *task);
50 struct uprobe_consumer *next;
54 extern int __weak set_bkpt(struct mm_struct *mm, struct arch_uprobe *auprobe, unsigned long vaddr);
55 extern int __weak set_orig_insn(struct mm_struct *mm, struct arch_uprobe *auprobe, unsigned long vaddr, bool verify);
56 extern bool __weak is_bkpt_insn(uprobe_opcode_t *insn);
57 extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *consumer);
58 extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *consumer);
59 extern int uprobe_mmap(struct vm_area_struct *vma);
60 #else /* CONFIG_UPROBES is not defined */
62 uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *consumer)
67 uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *consumer)
70 static inline int uprobe_mmap(struct vm_area_struct *vma)
74 #endif /* CONFIG_UPROBES */
75 #endif /* _LINUX_UPROBES_H */