1 /*
2  * Copyright (C) 2011 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_MIRROR_CLASS_LOADER_H_
18 #define ART_RUNTIME_MIRROR_CLASS_LOADER_H_
19 
20 #include "mirror/object.h"
21 
22 namespace art {
23 
24 struct ClassLoaderOffsets;
25 
26 namespace mirror {
27 
28 // C++ mirror of java.lang.ClassLoader
29 class MANAGED ClassLoader : public Object {
30  public:
31   // Size of an instance of java.lang.ClassLoader.
InstanceSize()32   static constexpr uint32_t InstanceSize() {
33     return sizeof(ClassLoader);
34   }
GetParent()35   ClassLoader* GetParent() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
36     return GetFieldObject<ClassLoader>(OFFSET_OF_OBJECT_MEMBER(ClassLoader, parent_));
37   }
38 
39  private:
40   // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
41   HeapReference<Object> packages_;
42   HeapReference<ClassLoader> parent_;
43   HeapReference<Object> proxyCache_;
44 
45   friend struct art::ClassLoaderOffsets;  // for verifying offset information
46   DISALLOW_IMPLICIT_CONSTRUCTORS(ClassLoader);
47 };
48 
49 }  // namespace mirror
50 }  // namespace art
51 
52 #endif  // ART_RUNTIME_MIRROR_CLASS_LOADER_H_
53