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17359a80b9
Add ':' to fix trivial kernel-doc warning in <linux/debugobjects.h>: ..//include/linux/debugobjects.h:63: warning: No description found for parameter 'is_static_object' Link: http://lkml.kernel.org/r/575B01B8.5060600@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
#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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* @astate: current active 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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unsigned int astate;
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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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*
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* @name: name of the object typee
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* @debug_hint: function returning address, which have associated
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* kernel symbol, to allow identify the object
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* @is_static_object: return true if the obj is static, otherwise return false
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* @fixup_init: fixup function, which is called when the init check
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* fails. All fixup functions must return true if fixup
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* was successful, otherwise return false
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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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* @fixup_assert_init: fixup function, which is called when the assert_init
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* check fails
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*/
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struct debug_obj_descr {
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const char *name;
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void *(*debug_hint)(void *addr);
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bool (*is_static_object)(void *addr);
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bool (*fixup_init)(void *addr, enum debug_obj_state state);
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bool (*fixup_activate)(void *addr, enum debug_obj_state state);
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bool (*fixup_destroy)(void *addr, enum debug_obj_state state);
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bool (*fixup_free)(void *addr, enum debug_obj_state state);
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bool (*fixup_assert_init)(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 int 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_object_assert_init(void *addr, struct debug_obj_descr *descr);
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/*
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* Active state:
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* - Set at 0 upon initialization.
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* - Must return to 0 before deactivation.
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*/
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extern void
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debug_object_active_state(void *addr, struct debug_obj_descr *descr,
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unsigned int expect, unsigned int next);
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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 int
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debug_object_activate (void *addr, struct debug_obj_descr *descr) { return 0; }
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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
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debug_object_assert_init(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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