| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdint.h> |
| |
| #include "art_field-inl.h" |
| #include "art_method-inl.h" |
| #include "callee_save_frame.h" |
| #include "dex_file-inl.h" |
| #include "entrypoints/entrypoint_utils-inl.h" |
| #include "gc_root-inl.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/object_reference.h" |
| |
| namespace art { |
| |
| inline constexpr bool FindFieldTypeIsRead(FindFieldType type) { |
| return type == InstanceObjectRead || |
| type == InstancePrimitiveRead || |
| type == StaticObjectRead || |
| type == StaticPrimitiveRead; |
| } |
| |
| // Helper function to do a null check after trying to resolve the field. Not for statics since obj |
| // does not exist there. There is a suspend check, object is a double pointer to update the value |
| // in the caller in case it moves. |
| template<FindFieldType type, bool kAccessCheck> |
| ALWAYS_INLINE static inline ArtField* FindInstanceField(uint32_t field_idx, |
| ArtMethod* referrer, |
| Thread* self, |
| size_t size, |
| mirror::Object** obj) |
| REQUIRES(!Roles::uninterruptible_) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| StackHandleScope<1> hs(self); |
| HandleWrapper<mirror::Object> h(hs.NewHandleWrapper(obj)); |
| ArtField* field = FindFieldFromCode<type, kAccessCheck>(field_idx, referrer, self, size); |
| if (LIKELY(field != nullptr) && UNLIKELY(h.Get() == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, /*is_read*/FindFieldTypeIsRead(type)); |
| return nullptr; |
| } |
| return field; |
| } |
| |
| extern "C" ssize_t artGetByteStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetByte(field->GetDeclaringClass()); |
| } |
| field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetByte(field->GetDeclaringClass()); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" size_t artGetBooleanStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetBoolean(field->GetDeclaringClass()); |
| } |
| field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetBoolean(field->GetDeclaringClass()); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" ssize_t artGetShortStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetShort(field->GetDeclaringClass()); |
| } |
| field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetShort(field->GetDeclaringClass()); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" size_t artGetCharStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetChar(field->GetDeclaringClass()); |
| } |
| field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetChar(field->GetDeclaringClass()); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" size_t artGet32StaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int32_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->Get32(field->GetDeclaringClass()); |
| } |
| field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int32_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->Get32(field->GetDeclaringClass()); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" uint64_t artGet64StaticFromCode(uint32_t field_idx, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int64_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->Get64(field->GetDeclaringClass()); |
| } |
| field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int64_t)); |
| if (LIKELY(field != nullptr)) { |
| return field->Get64(field->GetDeclaringClass()); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" mirror::Object* artGetObjStaticFromCode(uint32_t field_idx, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, |
| referrer, |
| StaticObjectRead, |
| sizeof(mirror::HeapReference<mirror::Object>)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetObj(field->GetDeclaringClass()); |
| } |
| field = FindFieldFromCode<StaticObjectRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(mirror::HeapReference<mirror::Object>)); |
| if (LIKELY(field != nullptr)) { |
| return field->GetObj(field->GetDeclaringClass()); |
| } |
| return nullptr; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" ssize_t artGetByteInstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int8_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| return field->GetByte(obj); |
| } |
| field = FindInstanceField<InstancePrimitiveRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int8_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| return field->GetByte(obj); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" size_t artGetBooleanInstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int8_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| return field->GetBoolean(obj); |
| } |
| field = FindInstanceField<InstancePrimitiveRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int8_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| return field->GetBoolean(obj); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| extern "C" ssize_t artGetShortInstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int16_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| return field->GetShort(obj); |
| } |
| field = FindInstanceField<InstancePrimitiveRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int16_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| return field->GetShort(obj); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" size_t artGetCharInstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int16_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| return field->GetChar(obj); |
| } |
| field = FindInstanceField<InstancePrimitiveRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int16_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| return field->GetChar(obj); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" size_t artGet32InstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int32_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| return field->Get32(obj); |
| } |
| field = FindInstanceField<InstancePrimitiveRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int32_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| return field->Get32(obj); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" uint64_t artGet64InstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int64_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| return field->Get64(obj); |
| } |
| field = FindInstanceField<InstancePrimitiveRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int64_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| return field->Get64(obj); |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" mirror::Object* artGetObjInstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, |
| referrer, |
| InstanceObjectRead, |
| sizeof(mirror::HeapReference<mirror::Object>)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| return field->GetObj(obj); |
| } |
| field = FindInstanceField<InstanceObjectRead, true>(field_idx, |
| referrer, |
| self, |
| sizeof(mirror::HeapReference<mirror::Object>), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| return field->GetObj(obj); |
| } |
| return nullptr; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" int artSet8StaticFromCode(uint32_t field_idx, |
| uint32_t new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimBoolean) { |
| field->SetBoolean<false>(field->GetDeclaringClass(), new_value); |
| } else { |
| DCHECK_EQ(Primitive::kPrimByte, type); |
| field->SetByte<false>(field->GetDeclaringClass(), new_value); |
| } |
| return 0; // success |
| } |
| field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimBoolean) { |
| field->SetBoolean<false>(field->GetDeclaringClass(), new_value); |
| } else { |
| DCHECK_EQ(Primitive::kPrimByte, type); |
| field->SetByte<false>(field->GetDeclaringClass(), new_value); |
| } |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSet16StaticFromCode(uint32_t field_idx, |
| uint16_t new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimChar) { |
| field->SetChar<false>(field->GetDeclaringClass(), new_value); |
| } else { |
| DCHECK_EQ(Primitive::kPrimShort, type); |
| field->SetShort<false>(field->GetDeclaringClass(), new_value); |
| } |
| return 0; // success |
| } |
| field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimChar) { |
| field->SetChar<false>(field->GetDeclaringClass(), new_value); |
| } else { |
| DCHECK_EQ(Primitive::kPrimShort, type); |
| field->SetShort<false>(field->GetDeclaringClass(), new_value); |
| } |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSet32StaticFromCode(uint32_t field_idx, |
| uint32_t new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int32_t)); |
| if (LIKELY(field != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set32<false>(field->GetDeclaringClass(), new_value); |
| return 0; // success |
| } |
| field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int32_t)); |
| if (LIKELY(field != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set32<false>(field->GetDeclaringClass(), new_value); |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSet64StaticFromCode(uint32_t field_idx, |
| ArtMethod* referrer, |
| uint64_t new_value, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int64_t)); |
| if (LIKELY(field != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set64<false>(field->GetDeclaringClass(), new_value); |
| return 0; // success |
| } |
| field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int64_t)); |
| if (LIKELY(field != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set64<false>(field->GetDeclaringClass(), new_value); |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSetObjStaticFromCode(uint32_t field_idx, |
| mirror::Object* new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, |
| referrer, |
| StaticObjectWrite, |
| sizeof(mirror::HeapReference<mirror::Object>)); |
| if (LIKELY(field != nullptr)) { |
| if (LIKELY(!field->IsPrimitiveType())) { |
| // Compiled code can't use transactional mode. |
| field->SetObj<false>(field->GetDeclaringClass(), new_value); |
| return 0; // success |
| } |
| } |
| { |
| StackHandleScope<1> hs(self); |
| HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&new_value)); |
| field = FindFieldFromCode<StaticObjectWrite, true>( |
| field_idx, |
| referrer, |
| self, |
| sizeof(mirror::HeapReference<mirror::Object>)); |
| } |
| if (LIKELY(field != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->SetObj<false>(field->GetDeclaringClass(), new_value); |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSet8InstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| uint8_t new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int8_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimBoolean) { |
| field->SetBoolean<false>(obj, new_value); |
| } else { |
| DCHECK_EQ(Primitive::kPrimByte, type); |
| field->SetByte<false>(obj, new_value); |
| } |
| return 0; // success |
| } |
| field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int8_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimBoolean) { |
| field->SetBoolean<false>(obj, new_value); |
| } else { |
| field->SetByte<false>(obj, new_value); |
| } |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSet16InstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| uint16_t new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int16_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimChar) { |
| field->SetChar<false>(obj, new_value); |
| } else { |
| DCHECK_EQ(Primitive::kPrimShort, type); |
| field->SetShort<false>(obj, new_value); |
| } |
| return 0; // success |
| } |
| field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int16_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| Primitive::Type type = field->GetTypeAsPrimitiveType(); |
| // Compiled code can't use transactional mode. |
| if (type == Primitive::kPrimChar) { |
| field->SetChar<false>(obj, new_value); |
| } else { |
| DCHECK_EQ(Primitive::kPrimShort, type); |
| field->SetShort<false>(obj, new_value); |
| } |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSet32InstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| uint32_t new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int32_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set32<false>(obj, new_value); |
| return 0; // success |
| } |
| field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int32_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set32<false>(obj, new_value); |
| return 0; // success |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSet64InstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| uint64_t new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int64_t)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set64<false>(obj, new_value); |
| return 0; // success |
| } |
| field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx, |
| referrer, |
| self, |
| sizeof(int64_t), |
| &obj); |
| if (LIKELY(field != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->Set64<false>(obj, new_value); |
| return 0; |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSetObjInstanceFromCode(uint32_t field_idx, |
| mirror::Object* obj, |
| mirror::Object* new_value, |
| ArtMethod* referrer, |
| Thread* self) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ScopedQuickEntrypointChecks sqec(self); |
| ArtField* field = FindFieldFast(field_idx, |
| referrer, |
| InstanceObjectWrite, |
| sizeof(mirror::HeapReference<mirror::Object>)); |
| if (LIKELY(field != nullptr && obj != nullptr)) { |
| // Compiled code can't use transactional mode. |
| field->SetObj<false>(obj, new_value); |
| return 0; // success |
| } |
| { |
| StackHandleScope<2> hs(self); |
| HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj)); |
| HandleWrapper<mirror::Object> h_new_value(hs.NewHandleWrapper(&new_value)); |
| field = FindFieldFromCode<InstanceObjectWrite, true>( |
| field_idx, |
| referrer, |
| self, |
| sizeof(mirror::HeapReference<mirror::Object>)); |
| } |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, false); |
| } else { |
| // Compiled code can't use transactional mode. |
| field->SetObj<false>(obj, new_value); |
| return 0; // success |
| } |
| } |
| return -1; // failure |
| } |
| |
| extern "C" mirror::Object* artReadBarrierMark(mirror::Object* obj) { |
| DCHECK(kEmitCompilerReadBarrier); |
| return ReadBarrier::Mark(obj); |
| } |
| |
| extern "C" mirror::Object* artReadBarrierSlow(mirror::Object* ref ATTRIBUTE_UNUSED, |
| mirror::Object* obj, |
| uint32_t offset) { |
| DCHECK(kEmitCompilerReadBarrier); |
| uint8_t* raw_addr = reinterpret_cast<uint8_t*>(obj) + offset; |
| mirror::HeapReference<mirror::Object>* ref_addr = |
| reinterpret_cast<mirror::HeapReference<mirror::Object>*>(raw_addr); |
| constexpr ReadBarrierOption kReadBarrierOption = |
| kUseReadBarrier ? kWithReadBarrier : kWithoutReadBarrier; |
| mirror::Object* result = |
| ReadBarrier::Barrier<mirror::Object, kReadBarrierOption>(obj, |
| MemberOffset(offset), |
| ref_addr); |
| return result; |
| } |
| |
| extern "C" mirror::Object* artReadBarrierForRootSlow(GcRoot<mirror::Object>* root) { |
| DCHECK(kEmitCompilerReadBarrier); |
| return root->Read(); |
| } |
| |
| } // namespace art |
