diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/include/asm/kprobes.h | 17 | ||||
-rw-r--r-- | arch/arm/kernel/kprobes-arm.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/kprobes.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/kprobes.h | 37 |
4 files changed, 41 insertions, 17 deletions
diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h index e46bdd0097eb..57d37d52d71e 100644 --- a/arch/arm/include/asm/kprobes.h +++ b/arch/arm/include/asm/kprobes.h | |||
@@ -24,12 +24,6 @@ | |||
24 | #define MAX_INSN_SIZE 2 | 24 | #define MAX_INSN_SIZE 2 |
25 | #define MAX_STACK_SIZE 64 /* 32 would probably be OK */ | 25 | #define MAX_STACK_SIZE 64 /* 32 would probably be OK */ |
26 | 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) | 27 | #define regs_return_value(regs) ((regs)->ARM_r0) |
34 | #define flush_insn_slot(p) do { } while (0) | 28 | #define flush_insn_slot(p) do { } while (0) |
35 | #define kretprobe_blacklist_size 0 | 29 | #define kretprobe_blacklist_size 0 |
@@ -62,20 +56,9 @@ struct kprobe_ctlblk { | |||
62 | }; | 56 | }; |
63 | 57 | ||
64 | void arch_remove_kprobe(struct kprobe *); | 58 | void arch_remove_kprobe(struct kprobe *); |
65 | void kretprobe_trampoline(void); | ||
66 | |||
67 | int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); | 59 | int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); |
68 | int kprobe_exceptions_notify(struct notifier_block *self, | 60 | int kprobe_exceptions_notify(struct notifier_block *self, |
69 | unsigned long val, void *data); | 61 | unsigned long val, void *data); |
70 | 62 | ||
71 | enum kprobe_insn { | ||
72 | INSN_REJECTED, | ||
73 | INSN_GOOD, | ||
74 | INSN_GOOD_NO_SLOT | ||
75 | }; | ||
76 | |||
77 | enum kprobe_insn arm_kprobe_decode_insn(kprobe_opcode_t, | ||
78 | struct arch_specific_insn *); | ||
79 | void __init arm_kprobe_decode_init(void); | ||
80 | 63 | ||
81 | #endif /* _ARM_KPROBES_H */ | 64 | #endif /* _ARM_KPROBES_H */ |
diff --git a/arch/arm/kernel/kprobes-arm.c b/arch/arm/kernel/kprobes-arm.c index 15eeff6aea0e..976ce14c5576 100644 --- a/arch/arm/kernel/kprobes-arm.c +++ b/arch/arm/kernel/kprobes-arm.c | |||
@@ -61,6 +61,8 @@ | |||
61 | #include <linux/kernel.h> | 61 | #include <linux/kernel.h> |
62 | #include <linux/kprobes.h> | 62 | #include <linux/kprobes.h> |
63 | 63 | ||
64 | #include "kprobes.h" | ||
65 | |||
64 | #define sign_extend(x, signbit) ((x) | (0 - ((x) & (1 << (signbit))))) | 66 | #define sign_extend(x, signbit) ((x) | (0 - ((x) & (1 << (signbit))))) |
65 | 67 | ||
66 | #define branch_displacement(insn) sign_extend(((insn) & 0xffffff) << 2, 25) | 68 | #define branch_displacement(insn) sign_extend(((insn) & 0xffffff) << 2, 25) |
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c index 1656c87501c0..3ba5f8d0d82c 100644 --- a/arch/arm/kernel/kprobes.c +++ b/arch/arm/kernel/kprobes.c | |||
@@ -28,6 +28,8 @@ | |||
28 | #include <asm/traps.h> | 28 | #include <asm/traps.h> |
29 | #include <asm/cacheflush.h> | 29 | #include <asm/cacheflush.h> |
30 | 30 | ||
31 | #include "kprobes.h" | ||
32 | |||
31 | #define MIN_STACK_SIZE(addr) \ | 33 | #define MIN_STACK_SIZE(addr) \ |
32 | min((unsigned long)MAX_STACK_SIZE, \ | 34 | min((unsigned long)MAX_STACK_SIZE, \ |
33 | (unsigned long)current_thread_info() + THREAD_START_SP - (addr)) | 35 | (unsigned long)current_thread_info() + THREAD_START_SP - (addr)) |
diff --git a/arch/arm/kernel/kprobes.h b/arch/arm/kernel/kprobes.h new file mode 100644 index 000000000000..87a5241b2f18 --- /dev/null +++ b/arch/arm/kernel/kprobes.h | |||
@@ -0,0 +1,37 @@ | |||
1 | /* | ||
2 | * arch/arm/kernel/kprobes.h | ||
3 | * | ||
4 | * Contents moved from arch/arm/include/asm/kprobes.h which is | ||
5 | * Copyright (C) 2006, 2007 Motorola Inc. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
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 GNU | ||
14 | * General Public License for more details. | ||
15 | */ | ||
16 | |||
17 | #ifndef _ARM_KERNEL_KPROBES_H | ||
18 | #define _ARM_KERNEL_KPROBES_H | ||
19 | |||
20 | /* | ||
21 | * This undefined instruction must be unique and | ||
22 | * reserved solely for kprobes' use. | ||
23 | */ | ||
24 | #define KPROBE_BREAKPOINT_INSTRUCTION 0xe7f001f8 | ||
25 | |||
26 | enum kprobe_insn { | ||
27 | INSN_REJECTED, | ||
28 | INSN_GOOD, | ||
29 | INSN_GOOD_NO_SLOT | ||
30 | }; | ||
31 | |||
32 | enum kprobe_insn arm_kprobe_decode_insn(kprobe_opcode_t, | ||
33 | struct arch_specific_insn *); | ||
34 | |||
35 | void __init arm_kprobe_decode_init(void); | ||
36 | |||
37 | #endif /* _ARM_KERNEL_KPROBES_H */ | ||