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https://github.com/edk2-porting/linux-next.git
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91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
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#ifndef _LINUX_DEBUGOBJECTS_H
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#define _LINUX_DEBUGOBJECTS_H
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#include <linux/list.h>
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#include <linux/spinlock.h>
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enum debug_obj_state {
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ODEBUG_STATE_NONE,
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ODEBUG_STATE_INIT,
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ODEBUG_STATE_INACTIVE,
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ODEBUG_STATE_ACTIVE,
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ODEBUG_STATE_DESTROYED,
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ODEBUG_STATE_NOTAVAILABLE,
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ODEBUG_STATE_MAX,
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};
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struct debug_obj_descr;
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/**
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* struct debug_obj - representaion of an tracked object
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* @node: hlist node to link the object into the tracker list
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* @state: tracked object state
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* @object: pointer to the real object
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* @descr: pointer to an object type specific debug description structure
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*/
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struct debug_obj {
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struct hlist_node node;
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enum debug_obj_state state;
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void *object;
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struct debug_obj_descr *descr;
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};
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/**
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* struct debug_obj_descr - object type specific debug description structure
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* @name: name of the object typee
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* @fixup_init: fixup function, which is called when the init check
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* fails
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* @fixup_activate: fixup function, which is called when the activate check
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* fails
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* @fixup_destroy: fixup function, which is called when the destroy check
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* fails
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* @fixup_free: fixup function, which is called when the free check
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* fails
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*/
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struct debug_obj_descr {
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const char *name;
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int (*fixup_init) (void *addr, enum debug_obj_state state);
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int (*fixup_activate) (void *addr, enum debug_obj_state state);
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int (*fixup_destroy) (void *addr, enum debug_obj_state state);
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int (*fixup_free) (void *addr, enum debug_obj_state state);
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};
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#ifdef CONFIG_DEBUG_OBJECTS
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extern void debug_object_init (void *addr, struct debug_obj_descr *descr);
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extern void
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debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr);
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extern void debug_object_activate (void *addr, struct debug_obj_descr *descr);
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extern void debug_object_deactivate(void *addr, struct debug_obj_descr *descr);
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extern void debug_object_destroy (void *addr, struct debug_obj_descr *descr);
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extern void debug_object_free (void *addr, struct debug_obj_descr *descr);
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extern void debug_objects_early_init(void);
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extern void debug_objects_mem_init(void);
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#else
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static inline void
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debug_object_init (void *addr, struct debug_obj_descr *descr) { }
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static inline void
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debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr) { }
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static inline void
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debug_object_activate (void *addr, struct debug_obj_descr *descr) { }
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static inline void
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debug_object_deactivate(void *addr, struct debug_obj_descr *descr) { }
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static inline void
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debug_object_destroy (void *addr, struct debug_obj_descr *descr) { }
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static inline void
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debug_object_free (void *addr, struct debug_obj_descr *descr) { }
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static inline void debug_objects_early_init(void) { }
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static inline void debug_objects_mem_init(void) { }
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#endif
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#ifdef CONFIG_DEBUG_OBJECTS_FREE
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extern void debug_check_no_obj_freed(const void *address, unsigned long size);
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#else
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static inline void
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debug_check_no_obj_freed(const void *address, unsigned long size) { }
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#endif
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#endif
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