Root/
1 | #ifndef _LINUX_DEBUGOBJECTS_H |
2 | #define _LINUX_DEBUGOBJECTS_H |
3 | |
4 | #include <linux/list.h> |
5 | #include <linux/spinlock.h> |
6 | |
7 | enum debug_obj_state { |
8 | ODEBUG_STATE_NONE, |
9 | ODEBUG_STATE_INIT, |
10 | ODEBUG_STATE_INACTIVE, |
11 | ODEBUG_STATE_ACTIVE, |
12 | ODEBUG_STATE_DESTROYED, |
13 | ODEBUG_STATE_NOTAVAILABLE, |
14 | ODEBUG_STATE_MAX, |
15 | }; |
16 | |
17 | struct debug_obj_descr; |
18 | |
19 | /** |
20 | * struct debug_obj - representaion of an tracked object |
21 | * @node: hlist node to link the object into the tracker list |
22 | * @state: tracked object state |
23 | * @astate: current active state |
24 | * @object: pointer to the real object |
25 | * @descr: pointer to an object type specific debug description structure |
26 | */ |
27 | struct debug_obj { |
28 | struct hlist_node node; |
29 | enum debug_obj_state state; |
30 | unsigned int astate; |
31 | void *object; |
32 | struct debug_obj_descr *descr; |
33 | }; |
34 | |
35 | /** |
36 | * struct debug_obj_descr - object type specific debug description structure |
37 | * |
38 | * @name: name of the object typee |
39 | * @debug_hint: function returning address, which have associated |
40 | * kernel symbol, to allow identify the object |
41 | * @fixup_init: fixup function, which is called when the init check |
42 | * fails |
43 | * @fixup_activate: fixup function, which is called when the activate check |
44 | * fails |
45 | * @fixup_destroy: fixup function, which is called when the destroy check |
46 | * fails |
47 | * @fixup_free: fixup function, which is called when the free check |
48 | * fails |
49 | * @fixup_assert_init: fixup function, which is called when the assert_init |
50 | * check fails |
51 | */ |
52 | struct debug_obj_descr { |
53 | const char *name; |
54 | void *(*debug_hint) (void *addr); |
55 | int (*fixup_init) (void *addr, enum debug_obj_state state); |
56 | int (*fixup_activate) (void *addr, enum debug_obj_state state); |
57 | int (*fixup_destroy) (void *addr, enum debug_obj_state state); |
58 | int (*fixup_free) (void *addr, enum debug_obj_state state); |
59 | int (*fixup_assert_init)(void *addr, enum debug_obj_state state); |
60 | }; |
61 | |
62 | #ifdef CONFIG_DEBUG_OBJECTS |
63 | extern void debug_object_init (void *addr, struct debug_obj_descr *descr); |
64 | extern void |
65 | debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr); |
66 | extern int debug_object_activate (void *addr, struct debug_obj_descr *descr); |
67 | extern void debug_object_deactivate(void *addr, struct debug_obj_descr *descr); |
68 | extern void debug_object_destroy (void *addr, struct debug_obj_descr *descr); |
69 | extern void debug_object_free (void *addr, struct debug_obj_descr *descr); |
70 | extern void debug_object_assert_init(void *addr, struct debug_obj_descr *descr); |
71 | |
72 | /* |
73 | * Active state: |
74 | * - Set at 0 upon initialization. |
75 | * - Must return to 0 before deactivation. |
76 | */ |
77 | extern void |
78 | debug_object_active_state(void *addr, struct debug_obj_descr *descr, |
79 | unsigned int expect, unsigned int next); |
80 | |
81 | extern void debug_objects_early_init(void); |
82 | extern void debug_objects_mem_init(void); |
83 | #else |
84 | static inline void |
85 | debug_object_init (void *addr, struct debug_obj_descr *descr) { } |
86 | static inline void |
87 | debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr) { } |
88 | static inline int |
89 | debug_object_activate (void *addr, struct debug_obj_descr *descr) { return 0; } |
90 | static inline void |
91 | debug_object_deactivate(void *addr, struct debug_obj_descr *descr) { } |
92 | static inline void |
93 | debug_object_destroy (void *addr, struct debug_obj_descr *descr) { } |
94 | static inline void |
95 | debug_object_free (void *addr, struct debug_obj_descr *descr) { } |
96 | static inline void |
97 | debug_object_assert_init(void *addr, struct debug_obj_descr *descr) { } |
98 | |
99 | static inline void debug_objects_early_init(void) { } |
100 | static inline void debug_objects_mem_init(void) { } |
101 | #endif |
102 | |
103 | #ifdef CONFIG_DEBUG_OBJECTS_FREE |
104 | extern void debug_check_no_obj_freed(const void *address, unsigned long size); |
105 | #else |
106 | static inline void |
107 | debug_check_no_obj_freed(const void *address, unsigned long size) { } |
108 | #endif |
109 | |
110 | #endif |
111 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9