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 | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 17 | #ifndef ART_RUNTIME_MIRROR_OBJECT_INL_H_ |
| 18 | #define ART_RUNTIME_MIRROR_OBJECT_INL_H_ |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 19 | |
| 20 | #include "object.h" |
| 21 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 22 | #include "art_field.h" |
| 23 | #include "art_method.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 24 | #include "atomic.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 25 | #include "array-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 26 | #include "class.h" |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 27 | #include "lock_word-inl.h" |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 28 | #include "monitor.h" |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame^] | 29 | #include "read_barrier-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 30 | #include "runtime.h" |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 31 | #include "reference.h" |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 32 | #include "throwable.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 33 | |
| 34 | namespace art { |
| 35 | namespace mirror { |
| 36 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 37 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 38 | inline Class* Object::GetClass() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 39 | return GetFieldObject<Class, kVerifyFlags>(OFFSET_OF_OBJECT_MEMBER(Object, klass_), false); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 40 | } |
| 41 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 42 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 43 | inline void Object::SetClass(Class* new_klass) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 44 | // new_klass may be NULL prior to class linker initialization. |
| 45 | // We don't mark the card as this occurs as part of object allocation. Not all objects have |
| 46 | // backing cards, such as large objects. |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 47 | // We use non transactional version since we can't undo this write. We also disable checking as |
| 48 | // we may run in transaction mode here. |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 49 | SetFieldObjectWithoutWriteBarrier<false, false, |
| 50 | static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis)>( |
| 51 | OFFSET_OF_OBJECT_MEMBER(Object, klass_), new_klass, false); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 52 | } |
| 53 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 54 | inline LockWord Object::GetLockWord() { |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 55 | return LockWord(GetField32(OFFSET_OF_OBJECT_MEMBER(Object, monitor_), true)); |
| 56 | } |
| 57 | |
| 58 | inline void Object::SetLockWord(LockWord new_val) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 59 | // Force use of non-transactional mode and do not check. |
| 60 | SetField32<false, false>(OFFSET_OF_OBJECT_MEMBER(Object, monitor_), new_val.GetValue(), true); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | inline bool Object::CasLockWord(LockWord old_val, LockWord new_val) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 64 | // Force use of non-transactional mode and do not check. |
| 65 | return CasField32<false, false>(OFFSET_OF_OBJECT_MEMBER(Object, monitor_), old_val.GetValue(), |
| 66 | new_val.GetValue()); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | inline uint32_t Object::GetLockOwnerThreadId() { |
| 70 | return Monitor::GetLockOwnerThreadId(this); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 71 | } |
| 72 | |
Mathieu Chartier | e7e8a5f | 2014-02-14 16:59:41 -0800 | [diff] [blame] | 73 | inline mirror::Object* Object::MonitorEnter(Thread* self) { |
| 74 | return Monitor::MonitorEnter(self, this); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | inline bool Object::MonitorExit(Thread* self) { |
| 78 | return Monitor::MonitorExit(self, this); |
| 79 | } |
| 80 | |
| 81 | inline void Object::Notify(Thread* self) { |
| 82 | Monitor::Notify(self, this); |
| 83 | } |
| 84 | |
| 85 | inline void Object::NotifyAll(Thread* self) { |
| 86 | Monitor::NotifyAll(self, this); |
| 87 | } |
| 88 | |
| 89 | inline void Object::Wait(Thread* self) { |
| 90 | Monitor::Wait(self, this, 0, 0, true, kWaiting); |
| 91 | } |
| 92 | |
| 93 | inline void Object::Wait(Thread* self, int64_t ms, int32_t ns) { |
| 94 | Monitor::Wait(self, this, ms, ns, true, kTimedWaiting); |
| 95 | } |
| 96 | |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 97 | inline Object* Object::GetReadBarrierPointer() { |
| 98 | #ifdef USE_BAKER_OR_BROOKS_READ_BARRIER |
| 99 | DCHECK(kUseBakerOrBrooksReadBarrier); |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame^] | 100 | return GetFieldObject<Object, kVerifyNone, false>(OFFSET_OF_OBJECT_MEMBER(Object, x_rb_ptr_), false); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 101 | #else |
| 102 | LOG(FATAL) << "Unreachable"; |
| 103 | return nullptr; |
| 104 | #endif |
| 105 | } |
| 106 | |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 107 | inline void Object::SetReadBarrierPointer(Object* rb_pointer) { |
| 108 | #ifdef USE_BAKER_OR_BROOKS_READ_BARRIER |
| 109 | DCHECK(kUseBakerOrBrooksReadBarrier); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 110 | // We don't mark the card as this occurs as part of object allocation. Not all objects have |
| 111 | // backing cards, such as large objects. |
| 112 | SetFieldObjectWithoutWriteBarrier<false, false, kVerifyNone>( |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 113 | OFFSET_OF_OBJECT_MEMBER(Object, x_rb_ptr_), rb_pointer, false); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 114 | #else |
| 115 | LOG(FATAL) << "Unreachable"; |
| 116 | #endif |
| 117 | } |
| 118 | |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 119 | inline void Object::AssertReadBarrierPointer() const { |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame^] | 120 | if (kUseBakerReadBarrier) { |
| 121 | Object* obj = const_cast<Object*>(this); |
| 122 | DCHECK(obj->GetReadBarrierPointer() == nullptr) |
| 123 | << "Bad Baker pointer: obj=" << reinterpret_cast<void*>(obj) |
| 124 | << " ptr=" << reinterpret_cast<void*>(obj->GetReadBarrierPointer()); |
| 125 | } else if (kUseBrooksReadBarrier) { |
| 126 | Object* obj = const_cast<Object*>(this); |
| 127 | DCHECK_EQ(obj, obj->GetReadBarrierPointer()) |
| 128 | << "Bad Brooks pointer: obj=" << reinterpret_cast<void*>(obj) |
| 129 | << " ptr=" << reinterpret_cast<void*>(obj->GetReadBarrierPointer()); |
| 130 | } else { |
| 131 | LOG(FATAL) << "Unreachable"; |
| 132 | } |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 133 | } |
| 134 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 135 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 136 | inline bool Object::VerifierInstanceOf(Class* klass) { |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 137 | DCHECK(klass != NULL); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 138 | DCHECK(GetClass<kVerifyFlags>() != NULL); |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 139 | return klass->IsInterface() || InstanceOf(klass); |
| 140 | } |
| 141 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 142 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 143 | inline bool Object::InstanceOf(Class* klass) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 144 | DCHECK(klass != NULL); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 145 | DCHECK(GetClass<kVerifyNone>() != NULL); |
| 146 | return klass->IsAssignableFrom(GetClass<kVerifyFlags>()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 147 | } |
| 148 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 149 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 150 | inline bool Object::IsClass() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 151 | Class* java_lang_Class = GetClass<kVerifyFlags>()->GetClass(); |
| 152 | return GetClass<static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis)>() == |
| 153 | java_lang_Class; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 154 | } |
| 155 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 156 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 157 | inline Class* Object::AsClass() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 158 | DCHECK(IsClass<kVerifyFlags>()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 159 | return down_cast<Class*>(this); |
| 160 | } |
| 161 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 162 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 163 | inline bool Object::IsObjectArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 164 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 165 | return IsArrayInstance<kVerifyFlags>() && |
| 166 | !GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitive(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 167 | } |
| 168 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 169 | template<class T, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 170 | inline ObjectArray<T>* Object::AsObjectArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 171 | DCHECK(IsObjectArray<kVerifyFlags>()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 172 | return down_cast<ObjectArray<T>*>(this); |
| 173 | } |
| 174 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 175 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 176 | inline bool Object::IsArrayInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 177 | return GetClass<kVerifyFlags>()->IsArrayClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 178 | } |
| 179 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 180 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 181 | inline bool Object::IsArtField() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 182 | return GetClass<kVerifyFlags>()->IsArtFieldClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 183 | } |
| 184 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 185 | template<VerifyObjectFlags kVerifyFlags> |
| 186 | inline ArtField* Object::AsArtField() { |
| 187 | DCHECK(IsArtField<kVerifyFlags>()); |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 188 | return down_cast<ArtField*>(this); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 189 | } |
| 190 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 191 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 192 | inline bool Object::IsArtMethod() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 193 | return GetClass<kVerifyFlags>()->IsArtMethodClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 194 | } |
| 195 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 196 | template<VerifyObjectFlags kVerifyFlags> |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 197 | inline ArtMethod* Object::AsArtMethod() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 198 | DCHECK(IsArtMethod<kVerifyFlags>()); |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 199 | return down_cast<ArtMethod*>(this); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 200 | } |
| 201 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 202 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 203 | inline bool Object::IsReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 204 | return GetClass<kVerifyFlags>()->IsReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 205 | } |
| 206 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 207 | template<VerifyObjectFlags kVerifyFlags> |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 208 | inline Reference* Object::AsReference() { |
| 209 | DCHECK(IsReferenceInstance<kVerifyFlags>()); |
| 210 | return down_cast<Reference*>(this); |
| 211 | } |
| 212 | |
| 213 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 214 | inline Array* Object::AsArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 215 | DCHECK(IsArrayInstance<kVerifyFlags>()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 216 | return down_cast<Array*>(this); |
| 217 | } |
| 218 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 219 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 220 | inline BooleanArray* Object::AsBooleanArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 221 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 222 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 223 | DCHECK(GetClass<kNewFlags>()->GetComponentType()->IsPrimitiveBoolean()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 224 | return down_cast<BooleanArray*>(this); |
| 225 | } |
| 226 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 227 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 228 | inline ByteArray* Object::AsByteArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 229 | static const VerifyObjectFlags kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 230 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 231 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveByte()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 232 | return down_cast<ByteArray*>(this); |
| 233 | } |
| 234 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 235 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 236 | inline ByteArray* Object::AsByteSizedArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 237 | constexpr VerifyObjectFlags kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 238 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 239 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveByte() || |
| 240 | GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveBoolean()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 241 | return down_cast<ByteArray*>(this); |
| 242 | } |
| 243 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 244 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 245 | inline CharArray* Object::AsCharArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 246 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 247 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 248 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveChar()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 249 | return down_cast<CharArray*>(this); |
| 250 | } |
| 251 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 252 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 253 | inline ShortArray* Object::AsShortArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 254 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 255 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 256 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveShort()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 257 | return down_cast<ShortArray*>(this); |
| 258 | } |
| 259 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 260 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 261 | inline ShortArray* Object::AsShortSizedArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 262 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 263 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 264 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveShort() || |
| 265 | GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveChar()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 266 | return down_cast<ShortArray*>(this); |
| 267 | } |
| 268 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 269 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 270 | inline IntArray* Object::AsIntArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 271 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 272 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 273 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveInt() || |
| 274 | GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveFloat()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 275 | return down_cast<IntArray*>(this); |
| 276 | } |
| 277 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 278 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 279 | inline LongArray* Object::AsLongArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 280 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 281 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 282 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveLong() || |
| 283 | GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveDouble()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 284 | return down_cast<LongArray*>(this); |
| 285 | } |
| 286 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 287 | template<VerifyObjectFlags kVerifyFlags> |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 288 | inline FloatArray* Object::AsFloatArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 289 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 290 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 291 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveFloat()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 292 | return down_cast<FloatArray*>(this); |
| 293 | } |
| 294 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 295 | template<VerifyObjectFlags kVerifyFlags> |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 296 | inline DoubleArray* Object::AsDoubleArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 297 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 298 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 299 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveDouble()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 300 | return down_cast<DoubleArray*>(this); |
| 301 | } |
| 302 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 303 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 304 | inline String* Object::AsString() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 305 | DCHECK(GetClass<kVerifyFlags>()->IsStringClass()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 306 | return down_cast<String*>(this); |
| 307 | } |
| 308 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 309 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 310 | inline Throwable* Object::AsThrowable() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 311 | DCHECK(GetClass<kVerifyFlags>()->IsThrowableClass()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 312 | return down_cast<Throwable*>(this); |
| 313 | } |
| 314 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 315 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 316 | inline bool Object::IsWeakReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 317 | return GetClass<kVerifyFlags>()->IsWeakReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 318 | } |
| 319 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 320 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 321 | inline bool Object::IsSoftReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 322 | return GetClass<kVerifyFlags>()->IsSoftReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 323 | } |
| 324 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 325 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 326 | inline bool Object::IsFinalizerReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 327 | return GetClass<kVerifyFlags>()->IsFinalizerReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 328 | } |
| 329 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 330 | template<VerifyObjectFlags kVerifyFlags> |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 331 | inline FinalizerReference* Object::AsFinalizerReference() { |
| 332 | DCHECK(IsFinalizerReferenceInstance<kVerifyFlags>()); |
| 333 | return down_cast<FinalizerReference*>(this); |
| 334 | } |
| 335 | |
| 336 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 337 | inline bool Object::IsPhantomReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 338 | return GetClass<kVerifyFlags>()->IsPhantomReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 339 | } |
| 340 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 341 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 342 | inline size_t Object::SizeOf() { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 343 | size_t result; |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 344 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 345 | if (IsArrayInstance<kVerifyFlags>()) { |
Ian Rogers | b48b9eb | 2014-02-28 16:20:21 -0800 | [diff] [blame] | 346 | result = AsArray<kNewFlags>()->template SizeOf<kNewFlags>(); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 347 | } else if (IsClass<kNewFlags>()) { |
Ian Rogers | b48b9eb | 2014-02-28 16:20:21 -0800 | [diff] [blame] | 348 | result = AsClass<kNewFlags>()->template SizeOf<kNewFlags>(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 349 | } else { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 350 | result = GetClass<kNewFlags>()->GetObjectSize(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 351 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 352 | DCHECK_GE(result, sizeof(Object)) << " class=" << PrettyTypeOf(GetClass<kNewFlags>()); |
| 353 | DCHECK(!IsArtField<kNewFlags>() || result == sizeof(ArtField)); |
| 354 | DCHECK(!IsArtMethod<kNewFlags>() || result == sizeof(ArtMethod)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 355 | return result; |
| 356 | } |
| 357 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 358 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 359 | inline int32_t Object::GetField32(MemberOffset field_offset, bool is_volatile) { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 360 | if (kVerifyFlags & kVerifyThis) { |
| 361 | VerifyObject(this); |
| 362 | } |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 363 | const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset.Int32Value(); |
| 364 | const int32_t* word_addr = reinterpret_cast<const int32_t*>(raw_addr); |
| 365 | if (UNLIKELY(is_volatile)) { |
| 366 | int32_t result = *(reinterpret_cast<volatile int32_t*>(const_cast<int32_t*>(word_addr))); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 367 | QuasiAtomic::MembarLoadLoad(); // Ensure volatile loads don't re-order. |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 368 | return result; |
| 369 | } else { |
| 370 | return *word_addr; |
| 371 | } |
| 372 | } |
| 373 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 374 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 375 | inline void Object::SetField32(MemberOffset field_offset, int32_t new_value, bool is_volatile) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 376 | if (kCheckTransaction) { |
| 377 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 378 | } |
| 379 | if (kTransactionActive) { |
| 380 | Runtime::Current()->RecordWriteField32(this, field_offset, GetField32(field_offset, is_volatile), |
| 381 | is_volatile); |
| 382 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 383 | if (kVerifyFlags & kVerifyThis) { |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 384 | VerifyObject(this); |
| 385 | } |
| 386 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 387 | int32_t* word_addr = reinterpret_cast<int32_t*>(raw_addr); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 388 | if (UNLIKELY(is_volatile)) { |
| 389 | QuasiAtomic::MembarStoreStore(); // Ensure this store occurs after others in the queue. |
| 390 | *word_addr = new_value; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 391 | QuasiAtomic::MembarStoreLoad(); // Ensure this store occurs before any volatile loads. |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 392 | } else { |
| 393 | *word_addr = new_value; |
| 394 | } |
| 395 | } |
| 396 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 397 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 398 | inline bool Object::CasField32(MemberOffset field_offset, int32_t old_value, int32_t new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 399 | if (kCheckTransaction) { |
| 400 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 401 | } |
| 402 | if (kTransactionActive) { |
| 403 | Runtime::Current()->RecordWriteField32(this, field_offset, old_value, true); |
| 404 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 405 | if (kVerifyFlags & kVerifyThis) { |
| 406 | VerifyObject(this); |
| 407 | } |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 408 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 409 | volatile int32_t* addr = reinterpret_cast<volatile int32_t*>(raw_addr); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 410 | return __sync_bool_compare_and_swap(addr, old_value, new_value); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 411 | } |
| 412 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 413 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 414 | inline int64_t Object::GetField64(MemberOffset field_offset, bool is_volatile) { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 415 | if (kVerifyFlags & kVerifyThis) { |
| 416 | VerifyObject(this); |
| 417 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 418 | const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset.Int32Value(); |
| 419 | const int64_t* addr = reinterpret_cast<const int64_t*>(raw_addr); |
| 420 | if (UNLIKELY(is_volatile)) { |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 421 | int64_t result = QuasiAtomic::Read64(addr); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 422 | QuasiAtomic::MembarLoadLoad(); // Ensure volatile loads don't re-order. |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 423 | return result; |
| 424 | } else { |
| 425 | return *addr; |
| 426 | } |
| 427 | } |
| 428 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 429 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 430 | inline void Object::SetField64(MemberOffset field_offset, int64_t new_value, bool is_volatile) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 431 | if (kCheckTransaction) { |
| 432 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 433 | } |
| 434 | if (kTransactionActive) { |
| 435 | Runtime::Current()->RecordWriteField64(this, field_offset, GetField64(field_offset, is_volatile), |
| 436 | is_volatile); |
| 437 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 438 | if (kVerifyFlags & kVerifyThis) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 439 | VerifyObject(this); |
| 440 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 441 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
| 442 | int64_t* addr = reinterpret_cast<int64_t*>(raw_addr); |
| 443 | if (UNLIKELY(is_volatile)) { |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 444 | QuasiAtomic::MembarStoreStore(); // Ensure this store occurs after others in the queue. |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 445 | QuasiAtomic::Write64(addr, new_value); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 446 | if (!QuasiAtomic::LongAtomicsUseMutexes()) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 447 | QuasiAtomic::MembarStoreLoad(); // Ensure this store occurs before any volatile loads. |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 448 | } else { |
| 449 | // Fence from from mutex is enough. |
| 450 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 451 | } else { |
| 452 | *addr = new_value; |
| 453 | } |
| 454 | } |
| 455 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 456 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 457 | inline bool Object::CasField64(MemberOffset field_offset, int64_t old_value, int64_t new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 458 | if (kCheckTransaction) { |
| 459 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 460 | } |
| 461 | if (kTransactionActive) { |
| 462 | Runtime::Current()->RecordWriteField64(this, field_offset, old_value, true); |
| 463 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 464 | if (kVerifyFlags & kVerifyThis) { |
| 465 | VerifyObject(this); |
| 466 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 467 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 468 | volatile int64_t* addr = reinterpret_cast<volatile int64_t*>(raw_addr); |
| 469 | return QuasiAtomic::Cas64(old_value, new_value, addr); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 470 | } |
| 471 | |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame^] | 472 | template<class T, VerifyObjectFlags kVerifyFlags, bool kDoReadBarrier> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 473 | inline T* Object::GetFieldObject(MemberOffset field_offset, bool is_volatile) { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 474 | if (kVerifyFlags & kVerifyThis) { |
| 475 | VerifyObject(this); |
| 476 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 477 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
| 478 | HeapReference<T>* objref_addr = reinterpret_cast<HeapReference<T>*>(raw_addr); |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame^] | 479 | T* result = ReadBarrier::Barrier<T, kDoReadBarrier>(this, field_offset, objref_addr); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 480 | if (UNLIKELY(is_volatile)) { |
| 481 | QuasiAtomic::MembarLoadLoad(); // Ensure loads don't re-order. |
| 482 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 483 | if (kVerifyFlags & kVerifyReads) { |
| 484 | VerifyObject(result); |
| 485 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 486 | return result; |
| 487 | } |
| 488 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 489 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 490 | inline void Object::SetFieldObjectWithoutWriteBarrier(MemberOffset field_offset, Object* new_value, |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 491 | bool is_volatile) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 492 | if (kCheckTransaction) { |
| 493 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 494 | } |
| 495 | if (kTransactionActive) { |
| 496 | Runtime::Current()->RecordWriteFieldReference(this, field_offset, |
| 497 | GetFieldObject<Object>(field_offset, is_volatile), |
| 498 | true); |
| 499 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 500 | if (kVerifyFlags & kVerifyThis) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 501 | VerifyObject(this); |
| 502 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 503 | if (kVerifyFlags & kVerifyWrites) { |
| 504 | VerifyObject(new_value); |
| 505 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 506 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
| 507 | HeapReference<Object>* objref_addr = reinterpret_cast<HeapReference<Object>*>(raw_addr); |
| 508 | if (UNLIKELY(is_volatile)) { |
| 509 | QuasiAtomic::MembarStoreStore(); // Ensure this store occurs after others in the queue. |
| 510 | objref_addr->Assign(new_value); |
| 511 | QuasiAtomic::MembarStoreLoad(); // Ensure this store occurs before any loads. |
| 512 | } else { |
| 513 | objref_addr->Assign(new_value); |
| 514 | } |
| 515 | } |
| 516 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 517 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 518 | inline void Object::SetFieldObject(MemberOffset field_offset, Object* new_value, bool is_volatile) { |
| 519 | SetFieldObjectWithoutWriteBarrier<kTransactionActive, kCheckTransaction, kVerifyFlags>( |
| 520 | field_offset, new_value, is_volatile); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 521 | if (new_value != nullptr) { |
| 522 | CheckFieldAssignment(field_offset, new_value); |
| 523 | Runtime::Current()->GetHeap()->WriteBarrierField(this, field_offset, new_value); |
| 524 | } |
| 525 | } |
| 526 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 527 | template <VerifyObjectFlags kVerifyFlags> |
| 528 | inline HeapReference<Object>* Object::GetFieldObjectReferenceAddr(MemberOffset field_offset) { |
| 529 | if (kVerifyFlags & kVerifyThis) { |
| 530 | VerifyObject(this); |
| 531 | } |
| 532 | return reinterpret_cast<HeapReference<Object>*>(reinterpret_cast<byte*>(this) + |
| 533 | field_offset.Int32Value()); |
| 534 | } |
| 535 | |
| 536 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 537 | inline bool Object::CasFieldObject(MemberOffset field_offset, Object* old_value, |
| 538 | Object* new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 539 | if (kCheckTransaction) { |
| 540 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 541 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 542 | if (kVerifyFlags & kVerifyThis) { |
| 543 | VerifyObject(this); |
| 544 | } |
| 545 | if (kVerifyFlags & kVerifyWrites) { |
| 546 | VerifyObject(new_value); |
| 547 | } |
| 548 | if (kVerifyFlags & kVerifyReads) { |
| 549 | VerifyObject(old_value); |
| 550 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 551 | if (kTransactionActive) { |
| 552 | Runtime::Current()->RecordWriteFieldReference(this, field_offset, old_value, true); |
| 553 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 554 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
Ian Rogers | 29501cf | 2014-02-07 21:00:25 -0800 | [diff] [blame] | 555 | volatile int32_t* addr = reinterpret_cast<volatile int32_t*>(raw_addr); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 556 | HeapReference<Object> old_ref(HeapReference<Object>::FromMirrorPtr(old_value)); |
| 557 | HeapReference<Object> new_ref(HeapReference<Object>::FromMirrorPtr(new_value)); |
| 558 | bool success = __sync_bool_compare_and_swap(addr, old_ref.reference_, new_ref.reference_); |
| 559 | if (success) { |
| 560 | Runtime::Current()->GetHeap()->WriteBarrierField(this, field_offset, new_value); |
| 561 | } |
| 562 | return success; |
| 563 | } |
| 564 | |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 565 | template<bool kVisitClass, bool kIsStatic, typename Visitor> |
| 566 | inline void Object::VisitFieldsReferences(uint32_t ref_offsets, const Visitor& visitor) { |
| 567 | if (LIKELY(ref_offsets != CLASS_WALK_SUPER)) { |
| 568 | if (!kVisitClass) { |
| 569 | // Mask out the class from the reference offsets. |
| 570 | ref_offsets ^= kWordHighBitMask; |
| 571 | } |
| 572 | DCHECK_EQ(ClassOffset().Uint32Value(), 0U); |
| 573 | // Found a reference offset bitmap. Visit the specified offsets. |
| 574 | while (ref_offsets != 0) { |
| 575 | size_t right_shift = CLZ(ref_offsets); |
| 576 | MemberOffset field_offset = CLASS_OFFSET_FROM_CLZ(right_shift); |
| 577 | visitor(this, field_offset, kIsStatic); |
| 578 | ref_offsets &= ~(CLASS_HIGH_BIT >> right_shift); |
| 579 | } |
| 580 | } else { |
| 581 | // There is no reference offset bitmap. In the non-static case, walk up the class |
| 582 | // inheritance hierarchy and find reference offsets the hard way. In the static case, just |
| 583 | // consider this class. |
| 584 | for (mirror::Class* klass = kIsStatic ? AsClass() : GetClass(); klass != nullptr; |
| 585 | klass = kIsStatic ? nullptr : klass->GetSuperClass()) { |
| 586 | size_t num_reference_fields = |
| 587 | kIsStatic ? klass->NumReferenceStaticFields() : klass->NumReferenceInstanceFields(); |
| 588 | for (size_t i = 0; i < num_reference_fields; ++i) { |
| 589 | mirror::ArtField* field = kIsStatic ? klass->GetStaticField(i) |
| 590 | : klass->GetInstanceField(i); |
| 591 | MemberOffset field_offset = field->GetOffset(); |
| 592 | // TODO: Do a simpler check? |
| 593 | if (!kVisitClass && UNLIKELY(field_offset.Uint32Value() == ClassOffset().Uint32Value())) { |
| 594 | continue; |
| 595 | } |
| 596 | visitor(this, field_offset, kIsStatic); |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | template<bool kVisitClass, typename Visitor> |
| 603 | inline void Object::VisitInstanceFieldsReferences(mirror::Class* klass, const Visitor& visitor) { |
| 604 | VisitFieldsReferences<kVisitClass, false>( |
| 605 | klass->GetReferenceInstanceOffsets<kVerifyNone>(), visitor); |
| 606 | } |
| 607 | |
| 608 | template<bool kVisitClass, typename Visitor> |
| 609 | inline void Object::VisitStaticFieldsReferences(mirror::Class* klass, const Visitor& visitor) { |
| 610 | klass->VisitFieldsReferences<kVisitClass, true>( |
| 611 | klass->GetReferenceStaticOffsets<kVerifyNone>(), visitor); |
| 612 | } |
| 613 | |
| 614 | template <const bool kVisitClass, VerifyObjectFlags kVerifyFlags, typename Visitor, |
| 615 | typename JavaLangRefVisitor> |
| 616 | inline void Object::VisitReferences(const Visitor& visitor, |
| 617 | const JavaLangRefVisitor& ref_visitor) { |
| 618 | mirror::Class* klass = GetClass<kVerifyFlags>(); |
| 619 | if (UNLIKELY(klass == Class::GetJavaLangClass())) { |
Mathieu Chartier | 580a8df | 2014-03-26 15:15:57 -0700 | [diff] [blame] | 620 | DCHECK_EQ(klass->GetClass<kVerifyNone>(), Class::GetJavaLangClass()); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 621 | AsClass<kVerifyNone>()->VisitReferences<kVisitClass>(klass, visitor); |
| 622 | } else if (UNLIKELY(klass->IsArrayClass<kVerifyFlags>())) { |
| 623 | if (klass->IsObjectArrayClass<kVerifyNone>()) { |
Mathieu Chartier | 580a8df | 2014-03-26 15:15:57 -0700 | [diff] [blame] | 624 | AsObjectArray<mirror::Object, kVerifyNone>()->VisitReferences<kVisitClass>(visitor); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 625 | } else if (kVisitClass) { |
| 626 | visitor(this, ClassOffset(), false); |
| 627 | } |
| 628 | } else { |
Mathieu Chartier | 580a8df | 2014-03-26 15:15:57 -0700 | [diff] [blame] | 629 | VisitInstanceFieldsReferences<kVisitClass>(klass, visitor); |
| 630 | if (UNLIKELY(klass->IsReferenceClass<kVerifyNone>())) { |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 631 | ref_visitor(klass, AsReference()); |
| 632 | } |
| 633 | } |
| 634 | } |
| 635 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 636 | } // namespace mirror |
| 637 | } // namespace art |
| 638 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 639 | #endif // ART_RUNTIME_MIRROR_OBJECT_INL_H_ |