diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-02 05:55:55 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-02 16:32:35 -0400 |
commit | 4baa9922430662431231ac637adedddbb0cfb2d7 (patch) | |
tree | e8fb765ce3e41c01f33de34a0bc9494f0ae19818 /arch/arm/include/asm/kprobes.h | |
parent | ff4db0a043a5dee7180bdffd178e61cd02812c68 (diff) |
[ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/kprobes.h')
-rw-r--r-- | arch/arm/include/asm/kprobes.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h new file mode 100644 index 000000000000..a5d0d99ad387 --- /dev/null +++ b/arch/arm/include/asm/kprobes.h | |||
@@ -0,0 +1,79 @@ | |||
1 | /* | ||
2 | * arch/arm/include/asm/kprobes.h | ||
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> | ||
21 | #include <linux/percpu.h> | ||
22 | |||
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 | |||
27 | /* | ||
28 | * This undefined instruction must be unique and | ||
29 | * reserved solely for kprobes' use. | ||
30 | */ | ||
31 | #define KPROBE_BREAKPOINT_INSTRUCTION 0xe7f001f8 | ||
32 | |||
33 | #define regs_return_value(regs) ((regs)->ARM_r0) | ||
34 | #define flush_insn_slot(p) do { } while (0) | ||
35 | #define kretprobe_blacklist_size 0 | ||
36 | |||
37 | typedef u32 kprobe_opcode_t; | ||
38 | |||
39 | struct kprobe; | ||
40 | typedef void (kprobe_insn_handler_t)(struct kprobe *, struct pt_regs *); | ||
41 | |||
42 | /* Architecture specific copy of original instruction. */ | ||
43 | struct arch_specific_insn { | ||
44 | kprobe_opcode_t *insn; | ||
45 | kprobe_insn_handler_t *insn_handler; | ||
46 | }; | ||
47 | |||
48 | struct prev_kprobe { | ||
49 | struct kprobe *kp; | ||
50 | unsigned int status; | ||
51 | }; | ||
52 | |||
53 | /* per-cpu kprobe control block */ | ||
54 | struct kprobe_ctlblk { | ||
55 | unsigned int kprobe_status; | ||
56 | struct prev_kprobe prev_kprobe; | ||
57 | struct pt_regs jprobe_saved_regs; | ||
58 | char jprobes_stack[MAX_STACK_SIZE]; | ||
59 | }; | ||
60 | |||
61 | void arch_remove_kprobe(struct kprobe *); | ||
62 | void kretprobe_trampoline(void); | ||
63 | |||
64 | int kprobe_trap_handler(struct pt_regs *regs, unsigned int instr); | ||
65 | int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); | ||
66 | int kprobe_exceptions_notify(struct notifier_block *self, | ||
67 | unsigned long val, void *data); | ||
68 | |||
69 | enum kprobe_insn { | ||
70 | INSN_REJECTED, | ||
71 | INSN_GOOD, | ||
72 | INSN_GOOD_NO_SLOT | ||
73 | }; | ||
74 | |||
75 | enum kprobe_insn arm_kprobe_decode_insn(kprobe_opcode_t, | ||
76 | struct arch_specific_insn *); | ||
77 | void __init arm_kprobe_decode_init(void); | ||
78 | |||
79 | #endif /* _ARM_KPROBES_H */ | ||