| /* |
| * 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 { |
| |
| extern "C" int8_t artGetByteStaticFromCode(uint32_t field_idx, ArtMethod* referrer, |
| Thread* self) |
| SHARED_REQUIRES(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" uint8_t artGetBooleanStaticFromCode(uint32_t field_idx, ArtMethod* referrer, |
| Thread* self) |
| SHARED_REQUIRES(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" int16_t artGetShortStaticFromCode(uint32_t field_idx, ArtMethod* referrer, |
| Thread* self) |
| SHARED_REQUIRES(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" uint16_t artGetCharStaticFromCode(uint32_t field_idx, |
| ArtMethod* referrer, |
| Thread* self) |
| SHARED_REQUIRES(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" uint32_t artGet32StaticFromCode(uint32_t field_idx, |
| ArtMethod* referrer, |
| Thread* self) |
| SHARED_REQUIRES(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) |
| SHARED_REQUIRES(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) |
| SHARED_REQUIRES(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" int8_t artGetByteInstanceFromCode(uint32_t field_idx, mirror::Object* obj, |
| ArtMethod* referrer, Thread* self) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, self, |
| sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, true); |
| } else { |
| return field->GetByte(obj); |
| } |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" uint8_t artGetBooleanInstanceFromCode(uint32_t field_idx, mirror::Object* obj, |
| ArtMethod* referrer, Thread* self) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, self, |
| sizeof(int8_t)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, true); |
| } else { |
| return field->GetBoolean(obj); |
| } |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| extern "C" int16_t artGetShortInstanceFromCode(uint32_t field_idx, mirror::Object* obj, |
| ArtMethod* referrer, Thread* self) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, self, |
| sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, true); |
| } else { |
| return field->GetShort(obj); |
| } |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" uint16_t artGetCharInstanceFromCode(uint32_t field_idx, mirror::Object* obj, |
| ArtMethod* referrer, Thread* self) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, self, |
| sizeof(int16_t)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, true); |
| } else { |
| return field->GetChar(obj); |
| } |
| } |
| return 0; // Will throw exception by checking with Thread::Current. |
| } |
| |
| extern "C" uint32_t artGet32InstanceFromCode(uint32_t field_idx, mirror::Object* obj, |
| ArtMethod* referrer, Thread* self) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, self, |
| sizeof(int32_t)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, true); |
| } else { |
| 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) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, self, |
| sizeof(int64_t)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, true); |
| } else { |
| 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) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstanceObjectRead, true>( |
| field_idx, referrer, self, sizeof(mirror::HeapReference<mirror::Object>)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, true); |
| } else { |
| 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) |
| SHARED_REQUIRES(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) |
| SHARED_REQUIRES(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) |
| SHARED_REQUIRES(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) |
| SHARED_REQUIRES(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) |
| SHARED_REQUIRES(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 |
| } |
| } |
| 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) |
| SHARED_REQUIRES(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 |
| } |
| { |
| StackHandleScope<1> hs(self); |
| HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj)); |
| field = FindFieldFromCode<InstancePrimitiveWrite, true>(field_idx, referrer, self, |
| sizeof(int8_t)); |
| } |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, false); |
| } else { |
| 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) |
| SHARED_REQUIRES(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 |
| } |
| { |
| StackHandleScope<1> hs(self); |
| HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj)); |
| field = FindFieldFromCode<InstancePrimitiveWrite, true>(field_idx, referrer, self, |
| sizeof(int16_t)); |
| } |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, false); |
| } else { |
| 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) |
| SHARED_REQUIRES(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 |
| } |
| { |
| StackHandleScope<1> hs(self); |
| HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj)); |
| field = FindFieldFromCode<InstancePrimitiveWrite, true>(field_idx, referrer, self, |
| sizeof(int32_t)); |
| } |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, false); |
| } else { |
| // 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) |
| SHARED_REQUIRES(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 = FindFieldFromCode<InstancePrimitiveWrite, true>(field_idx, referrer, self, |
| sizeof(int64_t)); |
| if (LIKELY(field != nullptr)) { |
| if (UNLIKELY(obj == nullptr)) { |
| ThrowNullPointerExceptionForFieldAccess(field, false); |
| } else { |
| // Compiled code can't use transactional mode. |
| field->Set64<false>(obj, new_value); |
| return 0; // success |
| } |
| } |
| return -1; // failure |
| } |
| |
| extern "C" int artSetObjInstanceFromCode(uint32_t field_idx, mirror::Object* obj, |
| mirror::Object* new_value, |
| ArtMethod* referrer, Thread* self) |
| SHARED_REQUIRES(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 |
| } |
| 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 |
| } |
| |
| // TODO: Currently the read barrier does not have a fast path. Ideally the slow path should only |
| // take one parameter "ref", which is given by the fast path. |
| 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); |
| // TODO: Pass a GcRootSource object as second argument to GcRoot::Read? |
| return root->Read(); |
| } |
| |
| } // namespace art |
