/** * struct debug_obj - representation of an tracked object * @node: hlist node to link the object into the tracker list * @state: tracked object state * @astate: current active state * @object: pointer to the real object * @batch_last: pointer to the last hlist node in a batch * @descr: pointer to an object type specific debug description structure
*/ struct debug_obj { struct hlist_node node; enum debug_obj_state state; unsignedint astate; union { void *object; struct hlist_node *batch_last;
}; conststruct debug_obj_descr *descr;
};
/** * struct debug_obj_descr - object type specific debug description structure * * @name: name of the object typee * @debug_hint: function returning address, which have associated * kernel symbol, to allow identify the object * @is_static_object: return true if the obj is static, otherwise return false * @fixup_init: fixup function, which is called when the init check * fails. All fixup functions must return true if fixup * was successful, otherwise return false * @fixup_activate: fixup function, which is called when the activate check * fails * @fixup_destroy: fixup function, which is called when the destroy check * fails * @fixup_free: fixup function, which is called when the free check * fails * @fixup_assert_init: fixup function, which is called when the assert_init * check fails
*/ struct debug_obj_descr { constchar *name; void *(*debug_hint)(void *addr); bool (*is_static_object)(void *addr); bool (*fixup_init)(void *addr, enum debug_obj_state state); bool (*fixup_activate)(void *addr, enum debug_obj_state state); bool (*fixup_destroy)(void *addr, enum debug_obj_state state); bool (*fixup_free)(void *addr, enum debug_obj_state state); bool (*fixup_assert_init)(void *addr, enum debug_obj_state state);
};
/* * Active state: * - Set at 0 upon initialization. * - Must return to 0 before deactivation.
*/ externvoid
debug_object_active_state(void *addr, conststruct debug_obj_descr *descr, unsignedint expect, unsignedint next);
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