Home | History | Annotate | Download | only in runtime
      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ART_RUNTIME_OBJECT_CALLBACKS_H_
     18 #define ART_RUNTIME_OBJECT_CALLBACKS_H_
     19 
     20 // For ostream.
     21 #include <ostream>
     22 // For uint32_t.
     23 #include <stdint.h>
     24 // For size_t.
     25 #include <stdlib.h>
     26 
     27 #include "base/macros.h"
     28 
     29 namespace art {
     30 namespace mirror {
     31   class Class;
     32   class Object;
     33   template<class MirrorType> class HeapReference;
     34   class Reference;
     35 }  // namespace mirror
     36 class StackVisitor;
     37 
     38 // A callback for visiting an object in the heap.
     39 typedef void (ObjectCallback)(mirror::Object* obj, void* arg);
     40 // A callback used for marking an object, returns the new address of the object if the object moved.
     41 typedef mirror::Object* (MarkObjectCallback)(mirror::Object* obj, void* arg) WARN_UNUSED;
     42 
     43 typedef void (MarkHeapReferenceCallback)(mirror::HeapReference<mirror::Object>* ref, void* arg);
     44 typedef void (DelayReferenceReferentCallback)(mirror::Class* klass, mirror::Reference* ref, void* arg);
     45 
     46 // A callback for testing if an object is marked, returns nullptr if not marked, otherwise the new
     47 // address the object (if the object didn't move, returns the object input parameter).
     48 typedef mirror::Object* (IsMarkedCallback)(mirror::Object* object, void* arg) WARN_UNUSED;
     49 
     50 // Returns true if the object in the heap reference is marked, if it is marked and has moved the
     51 // callback updates the heap reference contain the new value.
     52 typedef bool (IsHeapReferenceMarkedCallback)(mirror::HeapReference<mirror::Object>* object,
     53     void* arg) WARN_UNUSED;
     54 typedef void (ProcessMarkStackCallback)(void* arg);
     55 
     56 }  // namespace art
     57 
     58 #endif  // ART_RUNTIME_OBJECT_CALLBACKS_H_
     59