Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 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 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 17 | #ifndef ART_RUNTIME_MIRROR_ART_FIELD_H_ |
| 18 | #define ART_RUNTIME_MIRROR_ART_FIELD_H_ |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 19 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 20 | #include <jni.h> |
| 21 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 22 | #include "class.h" |
| 23 | #include "modifiers.h" |
| 24 | #include "object.h" |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 25 | #include "object_callbacks.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 26 | |
| 27 | namespace art { |
| 28 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 29 | struct ArtFieldOffsets; |
Ian Rogers | 62f0512 | 2014-03-21 11:21:29 -0700 | [diff] [blame] | 30 | class ScopedObjectAccess; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 31 | |
| 32 | namespace mirror { |
| 33 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 34 | // C++ mirror of java.lang.reflect.ArtField |
| 35 | class MANAGED ArtField : public Object { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 36 | public: |
Ian Rogers | 62f0512 | 2014-03-21 11:21:29 -0700 | [diff] [blame] | 37 | static ArtField* FromReflectedField(const ScopedObjectAccess& soa, jobject jlr_field) |
| 38 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 39 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 40 | Class* GetDeclaringClass() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 41 | |
| 42 | void SetDeclaringClass(Class *new_declaring_class) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 43 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 44 | uint32_t GetAccessFlags() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 45 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 46 | void SetAccessFlags(uint32_t new_access_flags) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 47 | // Not called within a transaction. |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 48 | SetField32<false>(OFFSET_OF_OBJECT_MEMBER(ArtField, access_flags_), new_access_flags); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 49 | } |
| 50 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 51 | bool IsPublic() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 52 | return (GetAccessFlags() & kAccPublic) != 0; |
| 53 | } |
| 54 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 55 | bool IsStatic() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 56 | return (GetAccessFlags() & kAccStatic) != 0; |
| 57 | } |
| 58 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 59 | bool IsFinal() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 60 | return (GetAccessFlags() & kAccFinal) != 0; |
| 61 | } |
| 62 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 63 | uint32_t GetDexFieldIndex() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 64 | return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtField, field_dex_idx_)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 65 | } |
| 66 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 67 | void SetDexFieldIndex(uint32_t new_idx) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 68 | // Not called within a transaction. |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 69 | SetField32<false>(OFFSET_OF_OBJECT_MEMBER(ArtField, field_dex_idx_), new_idx); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 70 | } |
| 71 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 72 | // Offset to field within an Object. |
| 73 | MemberOffset GetOffset() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 74 | |
| 75 | static MemberOffset OffsetOffset() { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 76 | return MemberOffset(OFFSETOF_MEMBER(ArtField, offset_)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 77 | } |
| 78 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 79 | MemberOffset GetOffsetDuringLinking() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 80 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 81 | void SetOffset(MemberOffset num_bytes) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 82 | |
| 83 | // field access, null object for static fields |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 84 | bool GetBoolean(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 85 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 86 | void SetBoolean(Object* object, bool z) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 87 | int8_t GetByte(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 88 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 89 | void SetByte(Object* object, int8_t b) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 90 | uint16_t GetChar(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 91 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 92 | void SetChar(Object* object, uint16_t c) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 93 | int16_t GetShort(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 94 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 95 | void SetShort(Object* object, int16_t s) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 96 | int32_t GetInt(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 97 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 98 | void SetInt(Object* object, int32_t i) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 99 | int64_t GetLong(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 100 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 101 | void SetLong(Object* object, int64_t j) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 102 | float GetFloat(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 103 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 104 | void SetFloat(Object* object, float f) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 105 | double GetDouble(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 106 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 107 | void SetDouble(Object* object, double d) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 108 | Object* GetObject(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 109 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 110 | void SetObject(Object* object, Object* l) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 111 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 112 | // Raw field accesses. |
| 113 | uint32_t Get32(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 114 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 115 | void Set32(Object* object, uint32_t new_value) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 116 | uint64_t Get64(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 117 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 118 | void Set64(Object* object, uint64_t new_value) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 119 | Object* GetObj(Object* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 120 | template<bool kTransactionActive> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 121 | void SetObj(Object* object, Object* new_value) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 122 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 123 | static Class* GetJavaLangReflectArtField() { |
| 124 | DCHECK(java_lang_reflect_ArtField_ != NULL); |
| 125 | return java_lang_reflect_ArtField_; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 126 | } |
| 127 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 128 | static void SetClass(Class* java_lang_reflect_ArtField); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 129 | static void ResetClass(); |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 130 | static void VisitRoots(RootCallback* callback, void* arg) |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 131 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 132 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 133 | bool IsVolatile() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 134 | return (GetAccessFlags() & kAccVolatile) != 0; |
| 135 | } |
| 136 | |
Sebastien Hertz | 479fc1e | 2014-04-04 17:51:34 +0200 | [diff] [blame] | 137 | // Returns an instance field with this offset in the given class or nullptr if not found. |
| 138 | static ArtField* FindInstanceFieldWithOffset(mirror::Class* klass, uint32_t field_offset) |
| 139 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 140 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 141 | private: |
| 142 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 143 | // The class we are a part of |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 144 | HeapReference<Class> declaring_class_; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 145 | |
| 146 | uint32_t access_flags_; |
| 147 | |
| 148 | // Dex cache index of field id |
| 149 | uint32_t field_dex_idx_; |
| 150 | |
| 151 | // Offset of field within an instance or in the Class' static fields |
| 152 | uint32_t offset_; |
| 153 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 154 | static Class* java_lang_reflect_ArtField_; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 155 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 156 | friend struct art::ArtFieldOffsets; // for verifying offset information |
| 157 | DISALLOW_IMPLICIT_CONSTRUCTORS(ArtField); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 158 | }; |
| 159 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 160 | class MANAGED ArtFieldClass : public Class { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 161 | private: |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 162 | DISALLOW_IMPLICIT_CONSTRUCTORS(ArtFieldClass); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 163 | }; |
| 164 | |
| 165 | } // namespace mirror |
| 166 | } // namespace art |
| 167 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 168 | #endif // ART_RUNTIME_MIRROR_ART_FIELD_H_ |