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" |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 27 | #include "class_flags.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 28 | #include "class_linker.h" |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 29 | #include "class_loader-inl.h" |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 30 | #include "dex_cache-inl.h" |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 31 | #include "lock_word-inl.h" |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 32 | #include "monitor.h" |
Mathieu Chartier | 52e4b43 | 2014-06-10 11:22:31 -0700 | [diff] [blame] | 33 | #include "object_array-inl.h" |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame] | 34 | #include "read_barrier-inl.h" |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 35 | #include "reference.h" |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 36 | #include "runtime.h" |
| 37 | #include "string-inl.h" |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 38 | #include "throwable.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 39 | |
| 40 | namespace art { |
| 41 | namespace mirror { |
| 42 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 43 | inline uint32_t Object::ClassSize(PointerSize pointer_size) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 44 | uint32_t vtable_entries = kVTableLength; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 45 | return Class::ComputeClassSize(true, vtable_entries, 0, 0, 0, 0, 0, pointer_size); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 46 | } |
| 47 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 48 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 49 | inline Class* Object::GetClass() { |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 50 | return GetFieldObject<Class, kVerifyFlags, kReadBarrierOption>( |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 51 | OFFSET_OF_OBJECT_MEMBER(Object, klass_)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 52 | } |
| 53 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 54 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 55 | inline void Object::SetClass(Class* new_klass) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 56 | // new_klass may be null prior to class linker initialization. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 57 | // We don't mark the card as this occurs as part of object allocation. Not all objects have |
| 58 | // backing cards, such as large objects. |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 59 | // We use non transactional version since we can't undo this write. We also disable checking as |
| 60 | // we may run in transaction mode here. |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 61 | SetFieldObjectWithoutWriteBarrier<false, false, |
| 62 | static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis)>( |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 63 | OFFSET_OF_OBJECT_MEMBER(Object, klass_), new_klass); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 64 | } |
| 65 | |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 66 | template<VerifyObjectFlags kVerifyFlags> |
Mathieu Chartier | bbd695c | 2014-04-16 09:48:48 -0700 | [diff] [blame] | 67 | inline LockWord Object::GetLockWord(bool as_volatile) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 68 | if (as_volatile) { |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 69 | return LockWord(GetField32Volatile<kVerifyFlags>(OFFSET_OF_OBJECT_MEMBER(Object, monitor_))); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 70 | } |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 71 | return LockWord(GetField32<kVerifyFlags>(OFFSET_OF_OBJECT_MEMBER(Object, monitor_))); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 72 | } |
| 73 | |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 74 | template<VerifyObjectFlags kVerifyFlags> |
Mathieu Chartier | bbd695c | 2014-04-16 09:48:48 -0700 | [diff] [blame] | 75 | inline void Object::SetLockWord(LockWord new_val, bool as_volatile) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 76 | // Force use of non-transactional mode and do not check. |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 77 | if (as_volatile) { |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 78 | SetField32Volatile<false, false, kVerifyFlags>( |
| 79 | OFFSET_OF_OBJECT_MEMBER(Object, monitor_), new_val.GetValue()); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 80 | } else { |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 81 | SetField32<false, false, kVerifyFlags>( |
| 82 | OFFSET_OF_OBJECT_MEMBER(Object, monitor_), new_val.GetValue()); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 83 | } |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 84 | } |
| 85 | |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 86 | inline bool Object::CasLockWordWeakSequentiallyConsistent(LockWord old_val, LockWord new_val) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 87 | // Force use of non-transactional mode and do not check. |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 88 | return CasFieldWeakSequentiallyConsistent32<false, false>( |
| 89 | OFFSET_OF_OBJECT_MEMBER(Object, monitor_), old_val.GetValue(), new_val.GetValue()); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 90 | } |
| 91 | |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 92 | inline bool Object::CasLockWordWeakRelaxed(LockWord old_val, LockWord new_val) { |
| 93 | // Force use of non-transactional mode and do not check. |
| 94 | return CasFieldWeakRelaxed32<false, false>( |
| 95 | OFFSET_OF_OBJECT_MEMBER(Object, monitor_), old_val.GetValue(), new_val.GetValue()); |
| 96 | } |
| 97 | |
Hiroshi Yamauchi | fed3e2f | 2015-10-20 11:11:56 -0700 | [diff] [blame] | 98 | inline bool Object::CasLockWordWeakRelease(LockWord old_val, LockWord new_val) { |
| 99 | // Force use of non-transactional mode and do not check. |
| 100 | return CasFieldWeakRelease32<false, false>( |
| 101 | OFFSET_OF_OBJECT_MEMBER(Object, monitor_), old_val.GetValue(), new_val.GetValue()); |
| 102 | } |
| 103 | |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 104 | inline uint32_t Object::GetLockOwnerThreadId() { |
| 105 | return Monitor::GetLockOwnerThreadId(this); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 106 | } |
| 107 | |
Mathieu Chartier | e7e8a5f | 2014-02-14 16:59:41 -0800 | [diff] [blame] | 108 | inline mirror::Object* Object::MonitorEnter(Thread* self) { |
Mathieu Chartier | a704eda | 2016-07-13 09:53:35 -0700 | [diff] [blame] | 109 | return Monitor::MonitorEnter(self, this, /*trylock*/false); |
| 110 | } |
| 111 | |
| 112 | inline mirror::Object* Object::MonitorTryEnter(Thread* self) { |
| 113 | return Monitor::MonitorEnter(self, this, /*trylock*/true); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | inline bool Object::MonitorExit(Thread* self) { |
| 117 | return Monitor::MonitorExit(self, this); |
| 118 | } |
| 119 | |
| 120 | inline void Object::Notify(Thread* self) { |
| 121 | Monitor::Notify(self, this); |
| 122 | } |
| 123 | |
| 124 | inline void Object::NotifyAll(Thread* self) { |
| 125 | Monitor::NotifyAll(self, this); |
| 126 | } |
| 127 | |
| 128 | inline void Object::Wait(Thread* self) { |
| 129 | Monitor::Wait(self, this, 0, 0, true, kWaiting); |
| 130 | } |
| 131 | |
| 132 | inline void Object::Wait(Thread* self, int64_t ms, int32_t ns) { |
| 133 | Monitor::Wait(self, this, ms, ns, true, kTimedWaiting); |
| 134 | } |
| 135 | |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 136 | inline Object* Object::GetReadBarrierPointer() { |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 137 | #ifdef USE_BAKER_READ_BARRIER |
| 138 | DCHECK(kUseBakerReadBarrier); |
| 139 | return reinterpret_cast<Object*>(GetLockWord(false).ReadBarrierState()); |
| 140 | #elif USE_BROOKS_READ_BARRIER |
| 141 | DCHECK(kUseBrooksReadBarrier); |
Hiroshi Yamauchi | 6a154a4 | 2014-05-02 14:26:13 -0700 | [diff] [blame] | 142 | return GetFieldObject<Object, kVerifyNone, kWithoutReadBarrier>( |
| 143 | OFFSET_OF_OBJECT_MEMBER(Object, x_rb_ptr_)); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 144 | #else |
| 145 | LOG(FATAL) << "Unreachable"; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 146 | UNREACHABLE(); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 147 | #endif |
| 148 | } |
| 149 | |
Mathieu Chartier | c381c36 | 2016-08-23 13:27:53 -0700 | [diff] [blame] | 150 | inline Object* Object::GetReadBarrierPointerAcquire() { |
| 151 | #ifdef USE_BAKER_READ_BARRIER |
| 152 | DCHECK(kUseBakerReadBarrier); |
| 153 | LockWord lw(GetFieldAcquire<uint32_t>(OFFSET_OF_OBJECT_MEMBER(Object, monitor_))); |
| 154 | return reinterpret_cast<Object*>(lw.ReadBarrierState()); |
| 155 | #else |
| 156 | LOG(FATAL) << "Unreachable"; |
| 157 | UNREACHABLE(); |
| 158 | #endif |
| 159 | } |
| 160 | |
| 161 | |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 162 | inline uint32_t Object::GetMarkBit() { |
| 163 | #ifdef USE_READ_BARRIER |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 164 | return GetLockWord(false).MarkBitState(); |
| 165 | #else |
| 166 | LOG(FATAL) << "Unreachable"; |
| 167 | UNREACHABLE(); |
| 168 | #endif |
| 169 | } |
| 170 | |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 171 | inline void Object::SetReadBarrierPointer(Object* rb_ptr) { |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 172 | #ifdef USE_BAKER_READ_BARRIER |
| 173 | DCHECK(kUseBakerReadBarrier); |
| 174 | DCHECK_EQ(reinterpret_cast<uint64_t>(rb_ptr) >> 32, 0U); |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 175 | DCHECK_NE(rb_ptr, ReadBarrier::BlackPtr()) << "Setting to black is not supported"; |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 176 | LockWord lw = GetLockWord(false); |
| 177 | lw.SetReadBarrierState(static_cast<uint32_t>(reinterpret_cast<uintptr_t>(rb_ptr))); |
| 178 | SetLockWord(lw, false); |
| 179 | #elif USE_BROOKS_READ_BARRIER |
| 180 | DCHECK(kUseBrooksReadBarrier); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 181 | // We don't mark the card as this occurs as part of object allocation. Not all objects have |
| 182 | // backing cards, such as large objects. |
| 183 | SetFieldObjectWithoutWriteBarrier<false, false, kVerifyNone>( |
Hiroshi Yamauchi | 6a154a4 | 2014-05-02 14:26:13 -0700 | [diff] [blame] | 184 | OFFSET_OF_OBJECT_MEMBER(Object, x_rb_ptr_), rb_ptr); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 185 | #else |
| 186 | LOG(FATAL) << "Unreachable"; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 187 | UNREACHABLE(); |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 188 | UNUSED(rb_ptr); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 189 | #endif |
| 190 | } |
| 191 | |
Hiroshi Yamauchi | ed70b4a | 2015-11-17 17:52:15 -0800 | [diff] [blame] | 192 | template<bool kCasRelease> |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 193 | inline bool Object::AtomicSetReadBarrierPointer(Object* expected_rb_ptr, Object* rb_ptr) { |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 194 | #ifdef USE_BAKER_READ_BARRIER |
| 195 | DCHECK(kUseBakerReadBarrier); |
| 196 | DCHECK_EQ(reinterpret_cast<uint64_t>(expected_rb_ptr) >> 32, 0U); |
| 197 | DCHECK_EQ(reinterpret_cast<uint64_t>(rb_ptr) >> 32, 0U); |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 198 | DCHECK_NE(expected_rb_ptr, ReadBarrier::BlackPtr()) << "Setting to black is not supported"; |
| 199 | DCHECK_NE(rb_ptr, ReadBarrier::BlackPtr()) << "Setting to black is not supported"; |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 200 | LockWord expected_lw; |
| 201 | LockWord new_lw; |
| 202 | do { |
| 203 | LockWord lw = GetLockWord(false); |
| 204 | if (UNLIKELY(reinterpret_cast<Object*>(lw.ReadBarrierState()) != expected_rb_ptr)) { |
| 205 | // Lost the race. |
| 206 | return false; |
| 207 | } |
| 208 | expected_lw = lw; |
| 209 | expected_lw.SetReadBarrierState( |
| 210 | static_cast<uint32_t>(reinterpret_cast<uintptr_t>(expected_rb_ptr))); |
| 211 | new_lw = lw; |
| 212 | new_lw.SetReadBarrierState(static_cast<uint32_t>(reinterpret_cast<uintptr_t>(rb_ptr))); |
Hiroshi Yamauchi | ed70b4a | 2015-11-17 17:52:15 -0800 | [diff] [blame] | 213 | // ConcurrentCopying::ProcessMarkStackRef uses this with kCasRelease == true. |
| 214 | // If kCasRelease == true, use a CAS release so that when GC updates all the fields of |
| 215 | // an object and then changes the object from gray to black, the field updates (stores) will be |
| 216 | // visible (won't be reordered after this CAS.) |
| 217 | } while (!(kCasRelease ? |
| 218 | CasLockWordWeakRelease(expected_lw, new_lw) : |
| 219 | CasLockWordWeakRelaxed(expected_lw, new_lw))); |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 220 | return true; |
| 221 | #elif USE_BROOKS_READ_BARRIER |
| 222 | DCHECK(kUseBrooksReadBarrier); |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 223 | MemberOffset offset = OFFSET_OF_OBJECT_MEMBER(Object, x_rb_ptr_); |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 224 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + offset.SizeValue(); |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 225 | Atomic<uint32_t>* atomic_rb_ptr = reinterpret_cast<Atomic<uint32_t>*>(raw_addr); |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 226 | HeapReference<Object> expected_ref(HeapReference<Object>::FromMirrorPtr(expected_rb_ptr)); |
| 227 | HeapReference<Object> new_ref(HeapReference<Object>::FromMirrorPtr(rb_ptr)); |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 228 | do { |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 229 | if (UNLIKELY(atomic_rb_ptr->LoadRelaxed() != expected_ref.reference_)) { |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 230 | // Lost the race. |
| 231 | return false; |
| 232 | } |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 233 | } while (!atomic_rb_ptr->CompareExchangeWeakSequentiallyConsistent(expected_ref.reference_, |
| 234 | new_ref.reference_)); |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 235 | return true; |
| 236 | #else |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 237 | UNUSED(expected_rb_ptr, rb_ptr); |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 238 | LOG(FATAL) << "Unreachable"; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 239 | UNREACHABLE(); |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 240 | #endif |
| 241 | } |
| 242 | |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 243 | inline bool Object::AtomicSetMarkBit(uint32_t expected_mark_bit, uint32_t mark_bit) { |
| 244 | LockWord expected_lw; |
| 245 | LockWord new_lw; |
| 246 | do { |
| 247 | LockWord lw = GetLockWord(false); |
| 248 | if (UNLIKELY(lw.MarkBitState() != expected_mark_bit)) { |
| 249 | // Lost the race. |
| 250 | return false; |
| 251 | } |
| 252 | expected_lw = lw; |
| 253 | new_lw = lw; |
| 254 | new_lw.SetMarkBitState(mark_bit); |
| 255 | // Since this is only set from the mutator, we can use the non release Cas. |
| 256 | } while (!CasLockWordWeakRelaxed(expected_lw, new_lw)); |
| 257 | return true; |
| 258 | } |
| 259 | |
| 260 | |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 261 | inline void Object::AssertReadBarrierPointer() const { |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame] | 262 | if (kUseBakerReadBarrier) { |
| 263 | Object* obj = const_cast<Object*>(this); |
| 264 | DCHECK(obj->GetReadBarrierPointer() == nullptr) |
| 265 | << "Bad Baker pointer: obj=" << reinterpret_cast<void*>(obj) |
| 266 | << " ptr=" << reinterpret_cast<void*>(obj->GetReadBarrierPointer()); |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 267 | } else { |
| 268 | CHECK(kUseBrooksReadBarrier); |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame] | 269 | Object* obj = const_cast<Object*>(this); |
| 270 | DCHECK_EQ(obj, obj->GetReadBarrierPointer()) |
| 271 | << "Bad Brooks pointer: obj=" << reinterpret_cast<void*>(obj) |
| 272 | << " ptr=" << reinterpret_cast<void*>(obj->GetReadBarrierPointer()); |
Hiroshi Yamauchi | 800ac2d | 2014-04-02 17:32:54 -0700 | [diff] [blame] | 273 | } |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 274 | } |
| 275 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 276 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 277 | inline bool Object::VerifierInstanceOf(Class* klass) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 278 | DCHECK(klass != nullptr); |
| 279 | DCHECK(GetClass<kVerifyFlags>() != nullptr); |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 280 | return klass->IsInterface() || InstanceOf(klass); |
| 281 | } |
| 282 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 283 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 284 | inline bool Object::InstanceOf(Class* klass) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 285 | DCHECK(klass != nullptr); |
| 286 | DCHECK(GetClass<kVerifyNone>() != nullptr); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 287 | return klass->IsAssignableFrom(GetClass<kVerifyFlags>()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 288 | } |
| 289 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 290 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 291 | inline bool Object::IsClass() { |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 292 | Class* java_lang_Class = GetClass<kVerifyFlags, kReadBarrierOption>()-> |
| 293 | template GetClass<kVerifyFlags, kReadBarrierOption>(); |
| 294 | return GetClass<static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis), |
| 295 | kReadBarrierOption>() == java_lang_Class; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 296 | } |
| 297 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 298 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 299 | inline Class* Object::AsClass() { |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 300 | DCHECK((IsClass<kVerifyFlags, kReadBarrierOption>())); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 301 | return down_cast<Class*>(this); |
| 302 | } |
| 303 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 304 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 305 | inline bool Object::IsObjectArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 306 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 307 | return IsArrayInstance<kVerifyFlags, kReadBarrierOption>() && |
| 308 | !GetClass<kNewFlags, kReadBarrierOption>()-> |
| 309 | template GetComponentType<kNewFlags, kReadBarrierOption>()->IsPrimitive(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 310 | } |
| 311 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 312 | template<class T, VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 313 | inline ObjectArray<T>* Object::AsObjectArray() { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 314 | DCHECK((IsObjectArray<kVerifyFlags, kReadBarrierOption>())); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 315 | return down_cast<ObjectArray<T>*>(this); |
| 316 | } |
| 317 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 318 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 319 | inline bool Object::IsArrayInstance() { |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 320 | return GetClass<kVerifyFlags, kReadBarrierOption>()-> |
| 321 | template IsArrayClass<kVerifyFlags, kReadBarrierOption>(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 322 | } |
| 323 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 324 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 325 | inline bool Object::IsReferenceInstance() { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 326 | return GetClass<kVerifyFlags, kReadBarrierOption>()->IsTypeOfReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 327 | } |
| 328 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 329 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 330 | inline Reference* Object::AsReference() { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 331 | DCHECK((IsReferenceInstance<kVerifyFlags, kReadBarrierOption>())); |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 332 | return down_cast<Reference*>(this); |
| 333 | } |
| 334 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 335 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 336 | inline Array* Object::AsArray() { |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 337 | DCHECK((IsArrayInstance<kVerifyFlags, kReadBarrierOption>())); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 338 | return down_cast<Array*>(this); |
| 339 | } |
| 340 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 341 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 342 | inline BooleanArray* Object::AsBooleanArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 343 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 344 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 345 | DCHECK(GetClass<kNewFlags>()->GetComponentType()->IsPrimitiveBoolean()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 346 | return down_cast<BooleanArray*>(this); |
| 347 | } |
| 348 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 349 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 350 | inline ByteArray* Object::AsByteArray() { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 351 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 352 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 353 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveByte()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 354 | return down_cast<ByteArray*>(this); |
| 355 | } |
| 356 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 357 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 358 | inline ByteArray* Object::AsByteSizedArray() { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 359 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 360 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 361 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveByte() || |
| 362 | GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveBoolean()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 363 | return down_cast<ByteArray*>(this); |
| 364 | } |
| 365 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 366 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 367 | inline CharArray* Object::AsCharArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 368 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 369 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 370 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveChar()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 371 | return down_cast<CharArray*>(this); |
| 372 | } |
| 373 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 374 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 375 | inline ShortArray* Object::AsShortArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 376 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 377 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 378 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveShort()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 379 | return down_cast<ShortArray*>(this); |
| 380 | } |
| 381 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 382 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 383 | inline ShortArray* Object::AsShortSizedArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 384 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 385 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 386 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveShort() || |
| 387 | GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveChar()); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 388 | return down_cast<ShortArray*>(this); |
| 389 | } |
| 390 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 391 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 392 | inline bool Object::IsIntArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 393 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 394 | mirror::Class* klass = GetClass<kVerifyFlags, kReadBarrierOption>(); |
| 395 | mirror::Class* component_type = klass->GetComponentType<kVerifyFlags, kReadBarrierOption>(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 396 | return component_type != nullptr && component_type->template IsPrimitiveInt<kNewFlags>(); |
| 397 | } |
| 398 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 399 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 400 | inline IntArray* Object::AsIntArray() { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 401 | DCHECK((IsIntArray<kVerifyFlags, kReadBarrierOption>())); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 402 | return down_cast<IntArray*>(this); |
| 403 | } |
| 404 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 405 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 406 | inline bool Object::IsLongArray() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 407 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 408 | mirror::Class* klass = GetClass<kVerifyFlags, kReadBarrierOption>(); |
| 409 | mirror::Class* component_type = klass->GetComponentType<kVerifyFlags, kReadBarrierOption>(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 410 | return component_type != nullptr && component_type->template IsPrimitiveLong<kNewFlags>(); |
| 411 | } |
| 412 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 413 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 414 | inline LongArray* Object::AsLongArray() { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 415 | DCHECK((IsLongArray<kVerifyFlags, kReadBarrierOption>())); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 416 | return down_cast<LongArray*>(this); |
| 417 | } |
| 418 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 419 | template<VerifyObjectFlags kVerifyFlags> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 420 | inline bool Object::IsFloatArray() { |
| 421 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 422 | auto* component_type = GetClass<kVerifyFlags>()->GetComponentType(); |
| 423 | return component_type != nullptr && component_type->template IsPrimitiveFloat<kNewFlags>(); |
| 424 | } |
| 425 | |
| 426 | template<VerifyObjectFlags kVerifyFlags> |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 427 | inline FloatArray* Object::AsFloatArray() { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 428 | DCHECK(IsFloatArray<kVerifyFlags>()); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 429 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 430 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 431 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveFloat()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 432 | return down_cast<FloatArray*>(this); |
| 433 | } |
| 434 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 435 | template<VerifyObjectFlags kVerifyFlags> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 436 | inline bool Object::IsDoubleArray() { |
| 437 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 438 | auto* component_type = GetClass<kVerifyFlags>()->GetComponentType(); |
| 439 | return component_type != nullptr && component_type->template IsPrimitiveDouble<kNewFlags>(); |
| 440 | } |
| 441 | |
| 442 | template<VerifyObjectFlags kVerifyFlags> |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 443 | inline DoubleArray* Object::AsDoubleArray() { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 444 | DCHECK(IsDoubleArray<kVerifyFlags>()); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 445 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
| 446 | DCHECK(GetClass<kVerifyFlags>()->IsArrayClass()); |
| 447 | DCHECK(GetClass<kNewFlags>()->template GetComponentType<kNewFlags>()->IsPrimitiveDouble()); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 448 | return down_cast<DoubleArray*>(this); |
| 449 | } |
| 450 | |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 451 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
| 452 | inline bool Object::IsString() { |
| 453 | return GetClass<kVerifyFlags, kReadBarrierOption>()->IsStringClass(); |
| 454 | } |
| 455 | |
| 456 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 457 | inline String* Object::AsString() { |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 458 | DCHECK((IsString<kVerifyFlags, kReadBarrierOption>())); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 459 | return down_cast<String*>(this); |
| 460 | } |
| 461 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 462 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 463 | inline Throwable* Object::AsThrowable() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 464 | DCHECK(GetClass<kVerifyFlags>()->IsThrowableClass()); |
Ian Rogers | 05f3057 | 2013-02-20 12:13:11 -0800 | [diff] [blame] | 465 | return down_cast<Throwable*>(this); |
| 466 | } |
| 467 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 468 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 469 | inline bool Object::IsWeakReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 470 | return GetClass<kVerifyFlags>()->IsWeakReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 471 | } |
| 472 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 473 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 474 | inline bool Object::IsSoftReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 475 | return GetClass<kVerifyFlags>()->IsSoftReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 476 | } |
| 477 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 478 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 479 | inline bool Object::IsFinalizerReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 480 | return GetClass<kVerifyFlags>()->IsFinalizerReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 481 | } |
| 482 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 483 | template<VerifyObjectFlags kVerifyFlags> |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 484 | inline FinalizerReference* Object::AsFinalizerReference() { |
| 485 | DCHECK(IsFinalizerReferenceInstance<kVerifyFlags>()); |
| 486 | return down_cast<FinalizerReference*>(this); |
| 487 | } |
| 488 | |
| 489 | template<VerifyObjectFlags kVerifyFlags> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 490 | inline bool Object::IsPhantomReferenceInstance() { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 491 | return GetClass<kVerifyFlags>()->IsPhantomReferenceClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 492 | } |
| 493 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 494 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 495 | inline size_t Object::SizeOf() { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 496 | size_t result; |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 497 | constexpr auto kNewFlags = static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis); |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 498 | if (IsArrayInstance<kVerifyFlags, kReadBarrierOption>()) { |
| 499 | result = AsArray<kNewFlags, kReadBarrierOption>()-> |
| 500 | template SizeOf<kNewFlags, kReadBarrierOption>(); |
| 501 | } else if (IsClass<kNewFlags, kReadBarrierOption>()) { |
| 502 | result = AsClass<kNewFlags, kReadBarrierOption>()-> |
| 503 | template SizeOf<kNewFlags, kReadBarrierOption>(); |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 504 | } else if (GetClass<kNewFlags, kReadBarrierOption>()->IsStringClass()) { |
| 505 | result = AsString<kNewFlags, kReadBarrierOption>()-> |
| 506 | template SizeOf<kNewFlags>(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 507 | } else { |
Hiroshi Yamauchi | 25023c7 | 2014-05-09 11:45:53 -0700 | [diff] [blame] | 508 | result = GetClass<kNewFlags, kReadBarrierOption>()-> |
| 509 | template GetObjectSize<kNewFlags, kReadBarrierOption>(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 510 | } |
Hiroshi Yamauchi | 9103c86 | 2014-04-22 13:51:07 -0700 | [diff] [blame] | 511 | DCHECK_GE(result, sizeof(Object)) |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 512 | << " class=" << PrettyTypeOf(GetClass<kNewFlags, kReadBarrierOption>()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 513 | return result; |
| 514 | } |
| 515 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 516 | template<VerifyObjectFlags kVerifyFlags, bool kIsVolatile> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 517 | inline uint8_t Object::GetFieldBoolean(MemberOffset field_offset) { |
| 518 | if (kVerifyFlags & kVerifyThis) { |
| 519 | VerifyObject(this); |
| 520 | } |
| 521 | return GetField<uint8_t, kIsVolatile>(field_offset); |
| 522 | } |
| 523 | |
| 524 | template<VerifyObjectFlags kVerifyFlags, bool kIsVolatile> |
| 525 | inline int8_t Object::GetFieldByte(MemberOffset field_offset) { |
| 526 | if (kVerifyFlags & kVerifyThis) { |
| 527 | VerifyObject(this); |
| 528 | } |
| 529 | return GetField<int8_t, kIsVolatile>(field_offset); |
| 530 | } |
| 531 | |
| 532 | template<VerifyObjectFlags kVerifyFlags> |
| 533 | inline uint8_t Object::GetFieldBooleanVolatile(MemberOffset field_offset) { |
| 534 | return GetFieldBoolean<kVerifyFlags, true>(field_offset); |
| 535 | } |
| 536 | |
| 537 | template<VerifyObjectFlags kVerifyFlags> |
| 538 | inline int8_t Object::GetFieldByteVolatile(MemberOffset field_offset) { |
| 539 | return GetFieldByte<kVerifyFlags, true>(field_offset); |
| 540 | } |
| 541 | |
| 542 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 543 | bool kIsVolatile> |
| 544 | inline void Object::SetFieldBoolean(MemberOffset field_offset, uint8_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame^] | 545 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 546 | if (kCheckTransaction) { |
| 547 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 548 | } |
| 549 | if (kTransactionActive) { |
| 550 | Runtime::Current()->RecordWriteFieldBoolean(this, field_offset, |
| 551 | GetFieldBoolean<kVerifyFlags, kIsVolatile>(field_offset), |
| 552 | kIsVolatile); |
| 553 | } |
| 554 | if (kVerifyFlags & kVerifyThis) { |
| 555 | VerifyObject(this); |
| 556 | } |
| 557 | SetField<uint8_t, kIsVolatile>(field_offset, new_value); |
| 558 | } |
| 559 | |
| 560 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 561 | bool kIsVolatile> |
| 562 | inline void Object::SetFieldByte(MemberOffset field_offset, int8_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame^] | 563 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 564 | if (kCheckTransaction) { |
| 565 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 566 | } |
| 567 | if (kTransactionActive) { |
| 568 | Runtime::Current()->RecordWriteFieldByte(this, field_offset, |
| 569 | GetFieldByte<kVerifyFlags, kIsVolatile>(field_offset), |
| 570 | kIsVolatile); |
| 571 | } |
| 572 | if (kVerifyFlags & kVerifyThis) { |
| 573 | VerifyObject(this); |
| 574 | } |
| 575 | SetField<int8_t, kIsVolatile>(field_offset, new_value); |
| 576 | } |
| 577 | |
| 578 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 579 | inline void Object::SetFieldBooleanVolatile(MemberOffset field_offset, uint8_t new_value) { |
| 580 | return SetFieldBoolean<kTransactionActive, kCheckTransaction, kVerifyFlags, true>( |
| 581 | field_offset, new_value); |
| 582 | } |
| 583 | |
| 584 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 585 | inline void Object::SetFieldByteVolatile(MemberOffset field_offset, int8_t new_value) { |
| 586 | return SetFieldByte<kTransactionActive, kCheckTransaction, kVerifyFlags, true>( |
| 587 | field_offset, new_value); |
| 588 | } |
| 589 | |
| 590 | template<VerifyObjectFlags kVerifyFlags, bool kIsVolatile> |
| 591 | inline uint16_t Object::GetFieldChar(MemberOffset field_offset) { |
| 592 | if (kVerifyFlags & kVerifyThis) { |
| 593 | VerifyObject(this); |
| 594 | } |
| 595 | return GetField<uint16_t, kIsVolatile>(field_offset); |
| 596 | } |
| 597 | |
| 598 | template<VerifyObjectFlags kVerifyFlags, bool kIsVolatile> |
| 599 | inline int16_t Object::GetFieldShort(MemberOffset field_offset) { |
| 600 | if (kVerifyFlags & kVerifyThis) { |
| 601 | VerifyObject(this); |
| 602 | } |
| 603 | return GetField<int16_t, kIsVolatile>(field_offset); |
| 604 | } |
| 605 | |
| 606 | template<VerifyObjectFlags kVerifyFlags> |
| 607 | inline uint16_t Object::GetFieldCharVolatile(MemberOffset field_offset) { |
| 608 | return GetFieldChar<kVerifyFlags, true>(field_offset); |
| 609 | } |
| 610 | |
| 611 | template<VerifyObjectFlags kVerifyFlags> |
| 612 | inline int16_t Object::GetFieldShortVolatile(MemberOffset field_offset) { |
| 613 | return GetFieldShort<kVerifyFlags, true>(field_offset); |
| 614 | } |
| 615 | |
| 616 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 617 | bool kIsVolatile> |
| 618 | inline void Object::SetFieldChar(MemberOffset field_offset, uint16_t new_value) { |
| 619 | if (kCheckTransaction) { |
| 620 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 621 | } |
| 622 | if (kTransactionActive) { |
| 623 | Runtime::Current()->RecordWriteFieldChar(this, field_offset, |
| 624 | GetFieldChar<kVerifyFlags, kIsVolatile>(field_offset), |
| 625 | kIsVolatile); |
| 626 | } |
| 627 | if (kVerifyFlags & kVerifyThis) { |
| 628 | VerifyObject(this); |
| 629 | } |
| 630 | SetField<uint16_t, kIsVolatile>(field_offset, new_value); |
| 631 | } |
| 632 | |
| 633 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 634 | bool kIsVolatile> |
| 635 | inline void Object::SetFieldShort(MemberOffset field_offset, int16_t new_value) { |
| 636 | if (kCheckTransaction) { |
| 637 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 638 | } |
| 639 | if (kTransactionActive) { |
| 640 | Runtime::Current()->RecordWriteFieldChar(this, field_offset, |
| 641 | GetFieldShort<kVerifyFlags, kIsVolatile>(field_offset), |
| 642 | kIsVolatile); |
| 643 | } |
| 644 | if (kVerifyFlags & kVerifyThis) { |
| 645 | VerifyObject(this); |
| 646 | } |
| 647 | SetField<int16_t, kIsVolatile>(field_offset, new_value); |
| 648 | } |
| 649 | |
| 650 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 651 | inline void Object::SetFieldCharVolatile(MemberOffset field_offset, uint16_t new_value) { |
| 652 | return SetFieldChar<kTransactionActive, kCheckTransaction, kVerifyFlags, true>( |
| 653 | field_offset, new_value); |
| 654 | } |
| 655 | |
| 656 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 657 | inline void Object::SetFieldShortVolatile(MemberOffset field_offset, int16_t new_value) { |
| 658 | return SetFieldShort<kTransactionActive, kCheckTransaction, kVerifyFlags, true>( |
| 659 | field_offset, new_value); |
| 660 | } |
| 661 | |
| 662 | template<VerifyObjectFlags kVerifyFlags, bool kIsVolatile> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 663 | inline int32_t Object::GetField32(MemberOffset field_offset) { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 664 | if (kVerifyFlags & kVerifyThis) { |
| 665 | VerifyObject(this); |
| 666 | } |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 667 | return GetField<int32_t, kIsVolatile>(field_offset); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 668 | } |
| 669 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 670 | template<VerifyObjectFlags kVerifyFlags> |
| 671 | inline int32_t Object::GetField32Volatile(MemberOffset field_offset) { |
| 672 | return GetField32<kVerifyFlags, true>(field_offset); |
| 673 | } |
| 674 | |
| 675 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 676 | bool kIsVolatile> |
| 677 | inline void Object::SetField32(MemberOffset field_offset, int32_t new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 678 | if (kCheckTransaction) { |
| 679 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 680 | } |
| 681 | if (kTransactionActive) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 682 | Runtime::Current()->RecordWriteField32(this, field_offset, |
| 683 | GetField32<kVerifyFlags, kIsVolatile>(field_offset), |
| 684 | kIsVolatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 685 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 686 | if (kVerifyFlags & kVerifyThis) { |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 687 | VerifyObject(this); |
| 688 | } |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 689 | SetField<int32_t, kIsVolatile>(field_offset, new_value); |
Ian Rogers | b122a4b | 2013-11-19 18:00:50 -0800 | [diff] [blame] | 690 | } |
| 691 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 692 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 693 | inline void Object::SetField32Volatile(MemberOffset field_offset, int32_t new_value) { |
| 694 | SetField32<kTransactionActive, kCheckTransaction, kVerifyFlags, true>(field_offset, new_value); |
| 695 | } |
| 696 | |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 697 | // TODO: Pass memory_order_ and strong/weak as arguments to avoid code duplication? |
| 698 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 699 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 700 | inline bool Object::CasFieldWeakSequentiallyConsistent32(MemberOffset field_offset, |
| 701 | int32_t old_value, int32_t new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 702 | if (kCheckTransaction) { |
| 703 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 704 | } |
| 705 | if (kTransactionActive) { |
| 706 | Runtime::Current()->RecordWriteField32(this, field_offset, old_value, true); |
| 707 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 708 | if (kVerifyFlags & kVerifyThis) { |
| 709 | VerifyObject(this); |
| 710 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 711 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 712 | AtomicInteger* atomic_addr = reinterpret_cast<AtomicInteger*>(raw_addr); |
Hans Boehm | 3035961 | 2014-05-21 17:46:23 -0700 | [diff] [blame] | 713 | |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 714 | return atomic_addr->CompareExchangeWeakSequentiallyConsistent(old_value, new_value); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 715 | } |
| 716 | |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 717 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 718 | inline bool Object::CasFieldWeakRelaxed32(MemberOffset field_offset, |
| 719 | int32_t old_value, int32_t new_value) { |
| 720 | if (kCheckTransaction) { |
| 721 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 722 | } |
| 723 | if (kTransactionActive) { |
| 724 | Runtime::Current()->RecordWriteField32(this, field_offset, old_value, true); |
| 725 | } |
| 726 | if (kVerifyFlags & kVerifyThis) { |
| 727 | VerifyObject(this); |
| 728 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 729 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 730 | AtomicInteger* atomic_addr = reinterpret_cast<AtomicInteger*>(raw_addr); |
| 731 | |
| 732 | return atomic_addr->CompareExchangeWeakRelaxed(old_value, new_value); |
| 733 | } |
| 734 | |
| 735 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Hiroshi Yamauchi | fed3e2f | 2015-10-20 11:11:56 -0700 | [diff] [blame] | 736 | inline bool Object::CasFieldWeakRelease32(MemberOffset field_offset, |
| 737 | int32_t old_value, int32_t new_value) { |
| 738 | if (kCheckTransaction) { |
| 739 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 740 | } |
| 741 | if (kTransactionActive) { |
| 742 | Runtime::Current()->RecordWriteField32(this, field_offset, old_value, true); |
| 743 | } |
| 744 | if (kVerifyFlags & kVerifyThis) { |
| 745 | VerifyObject(this); |
| 746 | } |
| 747 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
| 748 | AtomicInteger* atomic_addr = reinterpret_cast<AtomicInteger*>(raw_addr); |
| 749 | |
| 750 | return atomic_addr->CompareExchangeWeakRelease(old_value, new_value); |
| 751 | } |
| 752 | |
| 753 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 754 | inline bool Object::CasFieldStrongSequentiallyConsistent32(MemberOffset field_offset, |
| 755 | int32_t old_value, int32_t new_value) { |
| 756 | if (kCheckTransaction) { |
| 757 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 758 | } |
| 759 | if (kTransactionActive) { |
| 760 | Runtime::Current()->RecordWriteField32(this, field_offset, old_value, true); |
| 761 | } |
| 762 | if (kVerifyFlags & kVerifyThis) { |
| 763 | VerifyObject(this); |
| 764 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 765 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 766 | AtomicInteger* atomic_addr = reinterpret_cast<AtomicInteger*>(raw_addr); |
| 767 | |
| 768 | return atomic_addr->CompareExchangeStrongSequentiallyConsistent(old_value, new_value); |
| 769 | } |
| 770 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 771 | template<VerifyObjectFlags kVerifyFlags, bool kIsVolatile> |
| 772 | inline int64_t Object::GetField64(MemberOffset field_offset) { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 773 | if (kVerifyFlags & kVerifyThis) { |
| 774 | VerifyObject(this); |
| 775 | } |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 776 | return GetField<int64_t, kIsVolatile>(field_offset); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 777 | } |
| 778 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 779 | template<VerifyObjectFlags kVerifyFlags> |
| 780 | inline int64_t Object::GetField64Volatile(MemberOffset field_offset) { |
| 781 | return GetField64<kVerifyFlags, true>(field_offset); |
| 782 | } |
| 783 | |
| 784 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 785 | bool kIsVolatile> |
| 786 | inline void Object::SetField64(MemberOffset field_offset, int64_t new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 787 | if (kCheckTransaction) { |
| 788 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 789 | } |
| 790 | if (kTransactionActive) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 791 | Runtime::Current()->RecordWriteField64(this, field_offset, |
| 792 | GetField64<kVerifyFlags, kIsVolatile>(field_offset), |
| 793 | kIsVolatile); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 794 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 795 | if (kVerifyFlags & kVerifyThis) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 796 | VerifyObject(this); |
| 797 | } |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 798 | SetField<int64_t, kIsVolatile>(field_offset, new_value); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 799 | } |
| 800 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 801 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 802 | inline void Object::SetField64Volatile(MemberOffset field_offset, int64_t new_value) { |
| 803 | return SetField64<kTransactionActive, kCheckTransaction, kVerifyFlags, true>(field_offset, |
| 804 | new_value); |
| 805 | } |
| 806 | |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 807 | template<typename kSize, bool kIsVolatile> |
| 808 | inline void Object::SetField(MemberOffset field_offset, kSize new_value) { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 809 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 810 | kSize* addr = reinterpret_cast<kSize*>(raw_addr); |
| 811 | if (kIsVolatile) { |
| 812 | reinterpret_cast<Atomic<kSize>*>(addr)->StoreSequentiallyConsistent(new_value); |
| 813 | } else { |
| 814 | reinterpret_cast<Atomic<kSize>*>(addr)->StoreJavaData(new_value); |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | template<typename kSize, bool kIsVolatile> |
| 819 | inline kSize Object::GetField(MemberOffset field_offset) { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 820 | const uint8_t* raw_addr = reinterpret_cast<const uint8_t*>(this) + field_offset.Int32Value(); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 821 | const kSize* addr = reinterpret_cast<const kSize*>(raw_addr); |
| 822 | if (kIsVolatile) { |
| 823 | return reinterpret_cast<const Atomic<kSize>*>(addr)->LoadSequentiallyConsistent(); |
| 824 | } else { |
| 825 | return reinterpret_cast<const Atomic<kSize>*>(addr)->LoadJavaData(); |
| 826 | } |
| 827 | } |
| 828 | |
Mathieu Chartier | c381c36 | 2016-08-23 13:27:53 -0700 | [diff] [blame] | 829 | template<typename kSize> |
| 830 | inline kSize Object::GetFieldAcquire(MemberOffset field_offset) { |
| 831 | const uint8_t* raw_addr = reinterpret_cast<const uint8_t*>(this) + field_offset.Int32Value(); |
| 832 | const kSize* addr = reinterpret_cast<const kSize*>(raw_addr); |
| 833 | return reinterpret_cast<const Atomic<kSize>*>(addr)->LoadAcquire(); |
| 834 | } |
| 835 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 836 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 837 | inline bool Object::CasFieldWeakSequentiallyConsistent64(MemberOffset field_offset, |
| 838 | int64_t old_value, int64_t new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 839 | if (kCheckTransaction) { |
| 840 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 841 | } |
| 842 | if (kTransactionActive) { |
| 843 | Runtime::Current()->RecordWriteField64(this, field_offset, old_value, true); |
| 844 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 845 | if (kVerifyFlags & kVerifyThis) { |
| 846 | VerifyObject(this); |
| 847 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 848 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 849 | Atomic<int64_t>* atomic_addr = reinterpret_cast<Atomic<int64_t>*>(raw_addr); |
| 850 | return atomic_addr->CompareExchangeWeakSequentiallyConsistent(old_value, new_value); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 851 | } |
| 852 | |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 853 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 854 | inline bool Object::CasFieldStrongSequentiallyConsistent64(MemberOffset field_offset, |
| 855 | int64_t old_value, int64_t new_value) { |
| 856 | if (kCheckTransaction) { |
| 857 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 858 | } |
| 859 | if (kTransactionActive) { |
| 860 | Runtime::Current()->RecordWriteField64(this, field_offset, old_value, true); |
| 861 | } |
| 862 | if (kVerifyFlags & kVerifyThis) { |
| 863 | VerifyObject(this); |
| 864 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 865 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 866 | Atomic<int64_t>* atomic_addr = reinterpret_cast<Atomic<int64_t>*>(raw_addr); |
| 867 | return atomic_addr->CompareExchangeStrongSequentiallyConsistent(old_value, new_value); |
| 868 | } |
| 869 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 870 | template<class T, VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption, |
| 871 | bool kIsVolatile> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 872 | inline T* Object::GetFieldObject(MemberOffset field_offset) { |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 873 | if (kVerifyFlags & kVerifyThis) { |
| 874 | VerifyObject(this); |
| 875 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 876 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 877 | HeapReference<T>* objref_addr = reinterpret_cast<HeapReference<T>*>(raw_addr); |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 878 | T* result = ReadBarrier::Barrier<T, kReadBarrierOption>(this, field_offset, objref_addr); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 879 | if (kIsVolatile) { |
Hans Boehm | 3035961 | 2014-05-21 17:46:23 -0700 | [diff] [blame] | 880 | // TODO: Refactor to use a SequentiallyConsistent load instead. |
| 881 | QuasiAtomic::ThreadFenceAcquire(); // Ensure visibility of operations preceding store. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 882 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 883 | if (kVerifyFlags & kVerifyReads) { |
| 884 | VerifyObject(result); |
| 885 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 886 | return result; |
| 887 | } |
| 888 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 889 | template<class T, VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 890 | inline T* Object::GetFieldObjectVolatile(MemberOffset field_offset) { |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 891 | return GetFieldObject<T, kVerifyFlags, kReadBarrierOption, true>(field_offset); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 892 | } |
| 893 | |
| 894 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 895 | bool kIsVolatile> |
| 896 | inline void Object::SetFieldObjectWithoutWriteBarrier(MemberOffset field_offset, |
| 897 | Object* new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 898 | if (kCheckTransaction) { |
| 899 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 900 | } |
| 901 | if (kTransactionActive) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 902 | mirror::Object* obj; |
| 903 | if (kIsVolatile) { |
| 904 | obj = GetFieldObjectVolatile<Object>(field_offset); |
| 905 | } else { |
| 906 | obj = GetFieldObject<Object>(field_offset); |
| 907 | } |
| 908 | Runtime::Current()->RecordWriteFieldReference(this, field_offset, obj, true); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 909 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 910 | if (kVerifyFlags & kVerifyThis) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 911 | VerifyObject(this); |
| 912 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 913 | if (kVerifyFlags & kVerifyWrites) { |
| 914 | VerifyObject(new_value); |
| 915 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 916 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 917 | HeapReference<Object>* objref_addr = reinterpret_cast<HeapReference<Object>*>(raw_addr); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 918 | if (kIsVolatile) { |
Hans Boehm | 3035961 | 2014-05-21 17:46:23 -0700 | [diff] [blame] | 919 | // TODO: Refactor to use a SequentiallyConsistent store instead. |
| 920 | QuasiAtomic::ThreadFenceRelease(); // Ensure that prior accesses are visible before store. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 921 | objref_addr->Assign(new_value); |
Hans Boehm | 3035961 | 2014-05-21 17:46:23 -0700 | [diff] [blame] | 922 | QuasiAtomic::ThreadFenceSequentiallyConsistent(); |
| 923 | // Ensure this store occurs before any volatile loads. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 924 | } else { |
| 925 | objref_addr->Assign(new_value); |
| 926 | } |
| 927 | } |
| 928 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 929 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags, |
| 930 | bool kIsVolatile> |
| 931 | inline void Object::SetFieldObject(MemberOffset field_offset, Object* new_value) { |
| 932 | SetFieldObjectWithoutWriteBarrier<kTransactionActive, kCheckTransaction, kVerifyFlags, |
| 933 | kIsVolatile>(field_offset, new_value); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 934 | if (new_value != nullptr) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 935 | Runtime::Current()->GetHeap()->WriteBarrierField(this, field_offset, new_value); |
Mathieu Chartier | 61c5ebc | 2014-06-05 17:42:53 -0700 | [diff] [blame] | 936 | // TODO: Check field assignment could theoretically cause thread suspension, TODO: fix this. |
| 937 | CheckFieldAssignment(field_offset, new_value); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 938 | } |
| 939 | } |
| 940 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 941 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 942 | inline void Object::SetFieldObjectVolatile(MemberOffset field_offset, Object* new_value) { |
| 943 | SetFieldObject<kTransactionActive, kCheckTransaction, kVerifyFlags, true>(field_offset, |
| 944 | new_value); |
| 945 | } |
| 946 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 947 | template <VerifyObjectFlags kVerifyFlags> |
| 948 | inline HeapReference<Object>* Object::GetFieldObjectReferenceAddr(MemberOffset field_offset) { |
| 949 | if (kVerifyFlags & kVerifyThis) { |
| 950 | VerifyObject(this); |
| 951 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 952 | return reinterpret_cast<HeapReference<Object>*>(reinterpret_cast<uint8_t*>(this) + |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 953 | field_offset.Int32Value()); |
| 954 | } |
| 955 | |
| 956 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 957 | inline bool Object::CasFieldWeakSequentiallyConsistentObject(MemberOffset field_offset, |
| 958 | Object* old_value, Object* new_value) { |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 959 | bool success = CasFieldWeakSequentiallyConsistentObjectWithoutWriteBarrier< |
| 960 | kTransactionActive, kCheckTransaction, kVerifyFlags>(field_offset, old_value, new_value); |
| 961 | if (success) { |
| 962 | Runtime::Current()->GetHeap()->WriteBarrierField(this, field_offset, new_value); |
| 963 | } |
| 964 | return success; |
| 965 | } |
| 966 | |
| 967 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 968 | inline bool Object::CasFieldWeakSequentiallyConsistentObjectWithoutWriteBarrier( |
| 969 | MemberOffset field_offset, Object* old_value, Object* new_value) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 970 | if (kCheckTransaction) { |
| 971 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 972 | } |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 973 | if (kVerifyFlags & kVerifyThis) { |
| 974 | VerifyObject(this); |
| 975 | } |
| 976 | if (kVerifyFlags & kVerifyWrites) { |
| 977 | VerifyObject(new_value); |
| 978 | } |
| 979 | if (kVerifyFlags & kVerifyReads) { |
| 980 | VerifyObject(old_value); |
| 981 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 982 | if (kTransactionActive) { |
| 983 | Runtime::Current()->RecordWriteFieldReference(this, field_offset, old_value, true); |
| 984 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 985 | HeapReference<Object> old_ref(HeapReference<Object>::FromMirrorPtr(old_value)); |
| 986 | HeapReference<Object> new_ref(HeapReference<Object>::FromMirrorPtr(new_value)); |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 987 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 988 | Atomic<uint32_t>* atomic_addr = reinterpret_cast<Atomic<uint32_t>*>(raw_addr); |
| 989 | |
| 990 | bool success = atomic_addr->CompareExchangeWeakSequentiallyConsistent(old_ref.reference_, |
| 991 | new_ref.reference_); |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 992 | return success; |
| 993 | } |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 994 | |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 995 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 996 | inline bool Object::CasFieldStrongSequentiallyConsistentObject(MemberOffset field_offset, |
| 997 | Object* old_value, Object* new_value) { |
| 998 | bool success = CasFieldStrongSequentiallyConsistentObjectWithoutWriteBarrier< |
| 999 | kTransactionActive, kCheckTransaction, kVerifyFlags>(field_offset, old_value, new_value); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1000 | if (success) { |
| 1001 | Runtime::Current()->GetHeap()->WriteBarrierField(this, field_offset, new_value); |
| 1002 | } |
| 1003 | return success; |
| 1004 | } |
| 1005 | |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 1006 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
Hiroshi Yamauchi | 2cd334a | 2015-01-09 14:03:35 -0800 | [diff] [blame] | 1007 | inline bool Object::CasFieldStrongSequentiallyConsistentObjectWithoutWriteBarrier( |
| 1008 | MemberOffset field_offset, Object* old_value, Object* new_value) { |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 1009 | if (kCheckTransaction) { |
| 1010 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 1011 | } |
| 1012 | if (kVerifyFlags & kVerifyThis) { |
| 1013 | VerifyObject(this); |
| 1014 | } |
| 1015 | if (kVerifyFlags & kVerifyWrites) { |
| 1016 | VerifyObject(new_value); |
| 1017 | } |
| 1018 | if (kVerifyFlags & kVerifyReads) { |
| 1019 | VerifyObject(old_value); |
| 1020 | } |
| 1021 | if (kTransactionActive) { |
| 1022 | Runtime::Current()->RecordWriteFieldReference(this, field_offset, old_value, true); |
| 1023 | } |
| 1024 | HeapReference<Object> old_ref(HeapReference<Object>::FromMirrorPtr(old_value)); |
| 1025 | HeapReference<Object> new_ref(HeapReference<Object>::FromMirrorPtr(new_value)); |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1026 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 1027 | Atomic<uint32_t>* atomic_addr = reinterpret_cast<Atomic<uint32_t>*>(raw_addr); |
| 1028 | |
| 1029 | bool success = atomic_addr->CompareExchangeStrongSequentiallyConsistent(old_ref.reference_, |
| 1030 | new_ref.reference_); |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 1031 | return success; |
| 1032 | } |
| 1033 | |
Hiroshi Yamauchi | fed3e2f | 2015-10-20 11:11:56 -0700 | [diff] [blame] | 1034 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 1035 | inline bool Object::CasFieldWeakRelaxedObjectWithoutWriteBarrier( |
| 1036 | MemberOffset field_offset, Object* old_value, Object* new_value) { |
| 1037 | if (kCheckTransaction) { |
| 1038 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 1039 | } |
| 1040 | if (kVerifyFlags & kVerifyThis) { |
| 1041 | VerifyObject(this); |
| 1042 | } |
| 1043 | if (kVerifyFlags & kVerifyWrites) { |
| 1044 | VerifyObject(new_value); |
| 1045 | } |
| 1046 | if (kVerifyFlags & kVerifyReads) { |
| 1047 | VerifyObject(old_value); |
| 1048 | } |
| 1049 | if (kTransactionActive) { |
| 1050 | Runtime::Current()->RecordWriteFieldReference(this, field_offset, old_value, true); |
| 1051 | } |
| 1052 | HeapReference<Object> old_ref(HeapReference<Object>::FromMirrorPtr(old_value)); |
| 1053 | HeapReference<Object> new_ref(HeapReference<Object>::FromMirrorPtr(new_value)); |
| 1054 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
| 1055 | Atomic<uint32_t>* atomic_addr = reinterpret_cast<Atomic<uint32_t>*>(raw_addr); |
| 1056 | |
| 1057 | bool success = atomic_addr->CompareExchangeWeakRelaxed(old_ref.reference_, |
| 1058 | new_ref.reference_); |
| 1059 | return success; |
| 1060 | } |
| 1061 | |
| 1062 | template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags> |
| 1063 | inline bool Object::CasFieldStrongRelaxedObjectWithoutWriteBarrier( |
| 1064 | MemberOffset field_offset, Object* old_value, Object* new_value) { |
| 1065 | if (kCheckTransaction) { |
| 1066 | DCHECK_EQ(kTransactionActive, Runtime::Current()->IsActiveTransaction()); |
| 1067 | } |
| 1068 | if (kVerifyFlags & kVerifyThis) { |
| 1069 | VerifyObject(this); |
| 1070 | } |
| 1071 | if (kVerifyFlags & kVerifyWrites) { |
| 1072 | VerifyObject(new_value); |
| 1073 | } |
| 1074 | if (kVerifyFlags & kVerifyReads) { |
| 1075 | VerifyObject(old_value); |
| 1076 | } |
| 1077 | if (kTransactionActive) { |
| 1078 | Runtime::Current()->RecordWriteFieldReference(this, field_offset, old_value, true); |
| 1079 | } |
| 1080 | HeapReference<Object> old_ref(HeapReference<Object>::FromMirrorPtr(old_value)); |
| 1081 | HeapReference<Object> new_ref(HeapReference<Object>::FromMirrorPtr(new_value)); |
| 1082 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
| 1083 | Atomic<uint32_t>* atomic_addr = reinterpret_cast<Atomic<uint32_t>*>(raw_addr); |
| 1084 | |
| 1085 | bool success = atomic_addr->CompareExchangeStrongRelaxed(old_ref.reference_, |
| 1086 | new_ref.reference_); |
| 1087 | return success; |
| 1088 | } |
| 1089 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1090 | template<bool kIsStatic, |
| 1091 | VerifyObjectFlags kVerifyFlags, |
| 1092 | ReadBarrierOption kReadBarrierOption, |
| 1093 | typename Visitor> |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1094 | inline void Object::VisitFieldsReferences(uint32_t ref_offsets, const Visitor& visitor) { |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 1095 | if (!kIsStatic && (ref_offsets != mirror::Class::kClassWalkSuper)) { |
| 1096 | // Instance fields and not the slow-path. |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 1097 | uint32_t field_offset = mirror::kObjectHeaderSize; |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1098 | while (ref_offsets != 0) { |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 1099 | if ((ref_offsets & 1) != 0) { |
| 1100 | visitor(this, MemberOffset(field_offset), kIsStatic); |
| 1101 | } |
| 1102 | ref_offsets >>= 1; |
| 1103 | field_offset += sizeof(mirror::HeapReference<mirror::Object>); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1104 | } |
| 1105 | } else { |
Mingyao Yang | faff0f0 | 2014-09-10 12:03:22 -0700 | [diff] [blame] | 1106 | // There is no reference offset bitmap. In the non-static case, walk up the class |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1107 | // inheritance hierarchy and find reference offsets the hard way. In the static case, just |
| 1108 | // consider this class. |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1109 | for (mirror::Class* klass = kIsStatic |
| 1110 | ? AsClass<kVerifyFlags, kReadBarrierOption>() |
| 1111 | : GetClass<kVerifyFlags, kReadBarrierOption>(); |
| 1112 | klass != nullptr; |
| 1113 | klass = kIsStatic ? nullptr : klass->GetSuperClass<kVerifyFlags, kReadBarrierOption>()) { |
| 1114 | const size_t num_reference_fields = |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1115 | kIsStatic ? klass->NumReferenceStaticFields() : klass->NumReferenceInstanceFields(); |
Vladimir Marko | 76649e8 | 2014-11-10 18:32:59 +0000 | [diff] [blame] | 1116 | if (num_reference_fields == 0u) { |
| 1117 | continue; |
| 1118 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1119 | // Presumably GC can happen when we are cross compiling, it should not cause performance |
| 1120 | // problems to do pointer size logic. |
Vladimir Marko | 76649e8 | 2014-11-10 18:32:59 +0000 | [diff] [blame] | 1121 | MemberOffset field_offset = kIsStatic |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 1122 | ? klass->GetFirstReferenceStaticFieldOffset<kVerifyFlags, kReadBarrierOption>( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1123 | Runtime::Current()->GetClassLinker()->GetImagePointerSize()) |
Hiroshi Yamauchi | 5496f69 | 2016-02-17 13:29:59 -0800 | [diff] [blame] | 1124 | : klass->GetFirstReferenceInstanceFieldOffset<kVerifyFlags, kReadBarrierOption>(); |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1125 | for (size_t i = 0u; i < num_reference_fields; ++i) { |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1126 | // TODO: Do a simpler check? |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1127 | if (field_offset.Uint32Value() != ClassOffset().Uint32Value()) { |
Mathieu Chartier | 52e4b43 | 2014-06-10 11:22:31 -0700 | [diff] [blame] | 1128 | visitor(this, field_offset, kIsStatic); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1129 | } |
Vladimir Marko | 76649e8 | 2014-11-10 18:32:59 +0000 | [diff] [blame] | 1130 | field_offset = MemberOffset(field_offset.Uint32Value() + |
| 1131 | sizeof(mirror::HeapReference<mirror::Object>)); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1132 | } |
| 1133 | } |
| 1134 | } |
| 1135 | } |
| 1136 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1137 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption, typename Visitor> |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1138 | inline void Object::VisitInstanceFieldsReferences(mirror::Class* klass, const Visitor& visitor) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1139 | VisitFieldsReferences<false, kVerifyFlags, kReadBarrierOption>( |
| 1140 | klass->GetReferenceInstanceOffsets<kVerifyFlags>(), visitor); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1141 | } |
| 1142 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1143 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption, typename Visitor> |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1144 | inline void Object::VisitStaticFieldsReferences(mirror::Class* klass, const Visitor& visitor) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1145 | DCHECK(!klass->IsTemp()); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1146 | klass->VisitFieldsReferences<true, kVerifyFlags, kReadBarrierOption>(0, visitor); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1147 | } |
| 1148 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1149 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 1150 | inline bool Object::IsClassLoader() { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1151 | return GetClass<kVerifyFlags, kReadBarrierOption>()->IsClassLoaderClass(); |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 1152 | } |
| 1153 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1154 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 1155 | inline mirror::ClassLoader* Object::AsClassLoader() { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1156 | DCHECK((IsClassLoader<kVerifyFlags, kReadBarrierOption>())); |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 1157 | return down_cast<mirror::ClassLoader*>(this); |
| 1158 | } |
| 1159 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1160 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 1161 | inline bool Object::IsDexCache() { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1162 | return GetClass<kVerifyFlags, kReadBarrierOption>()->IsDexCacheClass(); |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 1163 | } |
| 1164 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1165 | template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption> |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 1166 | inline mirror::DexCache* Object::AsDexCache() { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1167 | DCHECK((IsDexCache<kVerifyFlags, kReadBarrierOption>())); |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 1168 | return down_cast<mirror::DexCache*>(this); |
| 1169 | } |
| 1170 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1171 | template <bool kVisitNativeRoots, |
| 1172 | VerifyObjectFlags kVerifyFlags, |
| 1173 | ReadBarrierOption kReadBarrierOption, |
| 1174 | typename Visitor, |
| 1175 | typename JavaLangRefVisitor> |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1176 | inline void Object::VisitReferences(const Visitor& visitor, |
| 1177 | const JavaLangRefVisitor& ref_visitor) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1178 | mirror::Class* klass = GetClass<kVerifyFlags, kReadBarrierOption>(); |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1179 | visitor(this, ClassOffset(), false); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1180 | const uint32_t class_flags = klass->GetClassFlags<kVerifyNone>(); |
| 1181 | if (LIKELY(class_flags == kClassFlagNormal)) { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 1182 | DCHECK((!klass->IsVariableSize<kVerifyFlags, kReadBarrierOption>())); |
| 1183 | VisitInstanceFieldsReferences<kVerifyFlags, kReadBarrierOption>(klass, visitor); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1184 | DCHECK((!klass->IsClassClass<kVerifyFlags, kReadBarrierOption>())); |
Mathieu Chartier | 66c2d2d | 2015-08-25 14:32:32 -0700 | [diff] [blame] | 1185 | DCHECK(!klass->IsStringClass()); |
| 1186 | DCHECK(!klass->IsClassLoaderClass()); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 1187 | DCHECK((!klass->IsArrayClass<kVerifyFlags, kReadBarrierOption>())); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1188 | } else { |
| 1189 | if ((class_flags & kClassFlagNoReferenceFields) == 0) { |
| 1190 | DCHECK(!klass->IsStringClass()); |
| 1191 | if (class_flags == kClassFlagClass) { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 1192 | DCHECK((klass->IsClassClass<kVerifyFlags, kReadBarrierOption>())); |
| 1193 | mirror::Class* as_klass = AsClass<kVerifyNone, kReadBarrierOption>(); |
| 1194 | as_klass->VisitReferences<kVisitNativeRoots, kVerifyFlags, kReadBarrierOption>(klass, |
| 1195 | visitor); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1196 | } else if (class_flags == kClassFlagObjectArray) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1197 | DCHECK((klass->IsObjectArrayClass<kVerifyFlags, kReadBarrierOption>())); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 1198 | AsObjectArray<mirror::Object, kVerifyNone, kReadBarrierOption>()->VisitReferences(visitor); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1199 | } else if ((class_flags & kClassFlagReference) != 0) { |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 1200 | VisitInstanceFieldsReferences<kVerifyFlags, kReadBarrierOption>(klass, visitor); |
| 1201 | ref_visitor(klass, AsReference<kVerifyFlags, kReadBarrierOption>()); |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 1202 | } else if (class_flags == kClassFlagDexCache) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1203 | mirror::DexCache* const dex_cache = AsDexCache<kVerifyFlags, kReadBarrierOption>(); |
| 1204 | dex_cache->VisitReferences<kVisitNativeRoots, |
| 1205 | kVerifyFlags, |
| 1206 | kReadBarrierOption>(klass, visitor); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1207 | } else { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1208 | mirror::ClassLoader* const class_loader = AsClassLoader<kVerifyFlags, kReadBarrierOption>(); |
| 1209 | class_loader->VisitReferences<kVisitNativeRoots, |
| 1210 | kVerifyFlags, |
| 1211 | kReadBarrierOption>(klass, visitor); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1212 | } |
| 1213 | } else if (kIsDebugBuild) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1214 | CHECK((!klass->IsClassClass<kVerifyFlags, kReadBarrierOption>())); |
| 1215 | CHECK((!klass->IsObjectArrayClass<kVerifyFlags, kReadBarrierOption>())); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1216 | // String still has instance fields for reflection purposes but these don't exist in |
| 1217 | // actual string instances. |
| 1218 | if (!klass->IsStringClass()) { |
| 1219 | size_t total_reference_instance_fields = 0; |
| 1220 | mirror::Class* super_class = klass; |
| 1221 | do { |
| 1222 | total_reference_instance_fields += super_class->NumReferenceInstanceFields(); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1223 | super_class = super_class->GetSuperClass<kVerifyFlags, kReadBarrierOption>(); |
Mathieu Chartier | 52a7f5c | 2015-08-18 18:35:52 -0700 | [diff] [blame] | 1224 | } while (super_class != nullptr); |
| 1225 | // The only reference field should be the object's class. This field is handled at the |
| 1226 | // beginning of the function. |
| 1227 | CHECK_EQ(total_reference_instance_fields, 1u); |
| 1228 | } |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 1229 | } |
| 1230 | } |
| 1231 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1232 | } // namespace mirror |
| 1233 | } // namespace art |
| 1234 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 1235 | #endif // ART_RUNTIME_MIRROR_OBJECT_INL_H_ |