1 #ifndef _LINUX_DEBUGOBJECTS_H
2 #define _LINUX_DEBUGOBJECTS_H
4 #include <linux/list.h>
5 #include <linux/spinlock.h>
10 ODEBUG_STATE_INACTIVE,
12 ODEBUG_STATE_DESTROYED,
13 ODEBUG_STATE_NOTAVAILABLE,
17 struct debug_obj_descr;
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 * @object: pointer to the real object
24 * @descr: pointer to an object type specific debug description structure
27 struct hlist_node node;
28 enum debug_obj_state state;
30 struct debug_obj_descr *descr;
34 * struct debug_obj_descr - object type specific debug description structure
35 * @name: name of the object typee
36 * @fixup_init: fixup function, which is called when the init check
38 * @fixup_activate: fixup function, which is called when the activate check
40 * @fixup_destroy: fixup function, which is called when the destroy check
42 * @fixup_free: fixup function, which is called when the free check
45 struct debug_obj_descr {
48 int (*fixup_init) (void *addr, enum debug_obj_state state);
49 int (*fixup_activate) (void *addr, enum debug_obj_state state);
50 int (*fixup_destroy) (void *addr, enum debug_obj_state state);
51 int (*fixup_free) (void *addr, enum debug_obj_state state);
54 #ifdef CONFIG_DEBUG_OBJECTS
55 extern void debug_object_init (void *addr, struct debug_obj_descr *descr);
57 debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr);
58 extern void debug_object_activate (void *addr, struct debug_obj_descr *descr);
59 extern void debug_object_deactivate(void *addr, struct debug_obj_descr *descr);
60 extern void debug_object_destroy (void *addr, struct debug_obj_descr *descr);
61 extern void debug_object_free (void *addr, struct debug_obj_descr *descr);
63 extern void debug_objects_early_init(void);
64 extern void debug_objects_mem_init(void);
67 debug_object_init (void *addr, struct debug_obj_descr *descr) { }
69 debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr) { }
71 debug_object_activate (void *addr, struct debug_obj_descr *descr) { }
73 debug_object_deactivate(void *addr, struct debug_obj_descr *descr) { }
75 debug_object_destroy (void *addr, struct debug_obj_descr *descr) { }
77 debug_object_free (void *addr, struct debug_obj_descr *descr) { }
79 static inline void debug_objects_early_init(void) { }
80 static inline void debug_objects_mem_init(void) { }
83 #ifdef CONFIG_DEBUG_OBJECTS_FREE
84 extern void debug_check_no_obj_freed(const void *address, unsigned long size);
87 debug_check_no_obj_freed(const void *address, unsigned long size) { }