1 /*
2  * Copyright (C) 2015 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_METHOD_H_
18 #define ART_RUNTIME_MIRROR_METHOD_H_
19 
20 #include "executable.h"
21 #include "gc_root.h"
22 
23 namespace art {
24 namespace mirror {
25 
26 class Class;
27 
28 // C++ mirror of java.lang.reflect.Method.
29 class MANAGED Method : public Executable {
30  public:
31   template <PointerSize kPointerSize, bool kTransactionActive>
32   static Method* CreateFromArtMethod(Thread* self, ArtMethod* method)
33       REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_);
34 
StaticClass()35   static mirror::Class* StaticClass() REQUIRES_SHARED(Locks::mutator_lock_) {
36     return static_class_.Read();
37   }
38 
39   static void SetClass(Class* klass) REQUIRES_SHARED(Locks::mutator_lock_);
40 
41   static void ResetClass() REQUIRES_SHARED(Locks::mutator_lock_);
42 
ArrayClass()43   static mirror::Class* ArrayClass() REQUIRES_SHARED(Locks::mutator_lock_) {
44     return array_class_.Read();
45   }
46 
47   static void SetArrayClass(Class* klass) REQUIRES_SHARED(Locks::mutator_lock_);
48 
49   static void ResetArrayClass() REQUIRES_SHARED(Locks::mutator_lock_);
50 
51   static void VisitRoots(RootVisitor* visitor) REQUIRES_SHARED(Locks::mutator_lock_);
52 
53  private:
54   static GcRoot<Class> static_class_;  // java.lang.reflect.Method.class.
55   static GcRoot<Class> array_class_;  // [java.lang.reflect.Method.class.
56 
57   DISALLOW_COPY_AND_ASSIGN(Method);
58 };
59 
60 // C++ mirror of java.lang.reflect.Constructor.
61 class MANAGED Constructor: public Executable {
62  public:
63   template <PointerSize kPointerSize, bool kTransactionActive>
64   static Constructor* CreateFromArtMethod(Thread* self, ArtMethod* method)
65       REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_);
66 
StaticClass()67   static mirror::Class* StaticClass() REQUIRES_SHARED(Locks::mutator_lock_) {
68     return static_class_.Read();
69   }
70 
71   static void SetClass(Class* klass) REQUIRES_SHARED(Locks::mutator_lock_);
72 
73   static void ResetClass() REQUIRES_SHARED(Locks::mutator_lock_);
74 
ArrayClass()75   static mirror::Class* ArrayClass() REQUIRES_SHARED(Locks::mutator_lock_) {
76     return array_class_.Read();
77   }
78 
79   static void SetArrayClass(Class* klass) REQUIRES_SHARED(Locks::mutator_lock_);
80 
81   static void ResetArrayClass() REQUIRES_SHARED(Locks::mutator_lock_);
82 
83   static void VisitRoots(RootVisitor* visitor) REQUIRES_SHARED(Locks::mutator_lock_);
84 
85  private:
86   static GcRoot<Class> static_class_;  // java.lang.reflect.Constructor.class.
87   static GcRoot<Class> array_class_;  // [java.lang.reflect.Constructor.class.
88 
89   DISALLOW_COPY_AND_ASSIGN(Constructor);
90 };
91 
92 }  // namespace mirror
93 }  // namespace art
94 
95 #endif  // ART_RUNTIME_MIRROR_METHOD_H_
96