projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 35aa1df4 | 1 | /* |
| 4baa9922 | 2 | * arch/arm/include/asm/kprobes.h |
| 35aa1df4 QB |
3 | * |
| 4 | * Copyright (C) 2006, 2007 Motorola Inc. | |
| 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 version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | * General Public License for more details. | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef _ARM_KPROBES_H | |
| 17 | #define _ARM_KPROBES_H | |
| 18 | ||
| 19 | #include <linux/types.h> | |
| 20 | #include <linux/ptrace.h> | |
| 24ba613c AS |
21 | #include <linux/percpu.h> |
| 22 | ||
| 24ba613c AS |
23 | #define __ARCH_WANT_KPROBES_INSN_SLOT |
| 24 | #define MAX_INSN_SIZE 2 | |
| 25 | #define MAX_STACK_SIZE 64 /* 32 would probably be OK */ | |
| 26 | ||
| 24ba613c AS |
27 | #define flush_insn_slot(p) do { } while (0) |
| 28 | #define kretprobe_blacklist_size 0 | |
| 35aa1df4 QB |
29 | |
| 30 | typedef u32 kprobe_opcode_t; | |
| 31 | ||
| 32 | struct kprobe; | |
| 33 | typedef void (kprobe_insn_handler_t)(struct kprobe *, struct pt_regs *); | |
| 073090cb | 34 | typedef unsigned long (kprobe_check_cc)(unsigned long); |
| c6a7d97d | 35 | typedef void (kprobe_insn_singlestep_t)(struct kprobe *, struct pt_regs *); |
| e2960317 | 36 | typedef void (kprobe_insn_fn_t)(void); |
| 073090cb | 37 | |
| 35aa1df4 QB |
38 | /* Architecture specific copy of original instruction. */ |
| 39 | struct arch_specific_insn { | |
| c6a7d97d JM |
40 | kprobe_opcode_t *insn; |
| 41 | kprobe_insn_handler_t *insn_handler; | |
| 42 | kprobe_check_cc *insn_check_cc; | |
| 43 | kprobe_insn_singlestep_t *insn_singlestep; | |
| e2960317 | 44 | kprobe_insn_fn_t *insn_fn; |
| 35aa1df4 QB |
45 | }; |
| 46 | ||
| 24ba613c AS |
47 | struct prev_kprobe { |
| 48 | struct kprobe *kp; | |
| 49 | unsigned int status; | |
| 50 | }; | |
| 51 | ||
| 52 | /* per-cpu kprobe control block */ | |
| 53 | struct kprobe_ctlblk { | |
| 54 | unsigned int kprobe_status; | |
| 55 | struct prev_kprobe prev_kprobe; | |
| 56 | struct pt_regs jprobe_saved_regs; | |
| 57 | char jprobes_stack[MAX_STACK_SIZE]; | |
| 58 | }; | |
| 59 | ||
| 60 | void arch_remove_kprobe(struct kprobe *); | |
| 24ba613c AS |
61 | int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); |
| 62 | int kprobe_exceptions_notify(struct notifier_block *self, | |
| 63 | unsigned long val, void *data); | |
| 64 | ||
| 35aa1df4 QB |
65 | |
| 66 | #endif /* _ARM_KPROBES_H */ |