| /* |
| * Copyright (C) 2016 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 "dex_file_annotations.h" |
| |
| #include <stdlib.h> |
| |
| #include "android-base/stringprintf.h" |
| |
| #include "art_field-inl.h" |
| #include "art_method-inl.h" |
| #include "class_linker-inl.h" |
| #include "dex_file-inl.h" |
| #include "jni_internal.h" |
| #include "jvalue-inl.h" |
| #include "mirror/field.h" |
| #include "mirror/method.h" |
| #include "reflection.h" |
| #include "thread.h" |
| |
| namespace art { |
| |
| using android::base::StringPrintf; |
| |
| struct DexFile::AnnotationValue { |
| JValue value_; |
| uint8_t type_; |
| }; |
| |
| namespace { |
| |
| // A helper class that contains all the data needed to do annotation lookup. |
| class ClassData { |
| public: |
| explicit ClassData(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_) |
| : ClassData(ScopedNullHandle<mirror::Class>(), // klass |
| method, |
| *method->GetDexFile(), |
| &method->GetClassDef()) {} |
| |
| // Requires Scope to be able to create at least 1 handles. |
| template <typename Scope> |
| ClassData(Scope& hs, ArtField* field) REQUIRES_SHARED(Locks::mutator_lock_) |
| : ClassData(hs.NewHandle(field->GetDeclaringClass())) { } |
| |
| explicit ClassData(Handle<mirror::Class> klass) REQUIRES_SHARED(art::Locks::mutator_lock_) |
| : ClassData(klass, // klass |
| nullptr, // method |
| klass->GetDexFile(), |
| klass->GetClassDef()) {} |
| |
| const DexFile& GetDexFile() const REQUIRES_SHARED(Locks::mutator_lock_) { |
| return dex_file_; |
| } |
| |
| const DexFile::ClassDef* GetClassDef() const REQUIRES_SHARED(Locks::mutator_lock_) { |
| return class_def_; |
| } |
| |
| ObjPtr<mirror::DexCache> GetDexCache() const REQUIRES_SHARED(Locks::mutator_lock_) { |
| if (method_ != nullptr) { |
| return method_->GetDexCache(); |
| } else { |
| return real_klass_->GetDexCache(); |
| } |
| } |
| |
| ObjPtr<mirror::ClassLoader> GetClassLoader() const REQUIRES_SHARED(Locks::mutator_lock_) { |
| if (method_ != nullptr) { |
| return method_->GetDeclaringClass()->GetClassLoader(); |
| } else { |
| return real_klass_->GetClassLoader(); |
| } |
| } |
| |
| ObjPtr<mirror::Class> GetRealClass() const REQUIRES_SHARED(Locks::mutator_lock_) { |
| if (method_ != nullptr) { |
| return method_->GetDeclaringClass(); |
| } else { |
| return real_klass_.Get(); |
| } |
| } |
| |
| private: |
| ClassData(Handle<mirror::Class> klass, |
| ArtMethod* method, |
| const DexFile& dex_file, |
| const DexFile::ClassDef* class_def) REQUIRES_SHARED(Locks::mutator_lock_) |
| : real_klass_(klass), |
| method_(method), |
| dex_file_(dex_file), |
| class_def_(class_def) { |
| DCHECK((method_ == nullptr) || real_klass_.IsNull()); |
| } |
| |
| Handle<mirror::Class> real_klass_; |
| ArtMethod* method_; |
| const DexFile& dex_file_; |
| const DexFile::ClassDef* class_def_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ClassData); |
| }; |
| |
| mirror::Object* CreateAnnotationMember(const ClassData& klass, |
| Handle<mirror::Class> annotation_class, |
| const uint8_t** annotation) |
| REQUIRES_SHARED(Locks::mutator_lock_); |
| |
| bool IsVisibilityCompatible(uint32_t actual, uint32_t expected) { |
| if (expected == DexFile::kDexVisibilityRuntime) { |
| int32_t sdk_version = Runtime::Current()->GetTargetSdkVersion(); |
| if (sdk_version > 0 && sdk_version <= 23) { |
| return actual == DexFile::kDexVisibilityRuntime || actual == DexFile::kDexVisibilityBuild; |
| } |
| } |
| return actual == expected; |
| } |
| |
| const DexFile::AnnotationSetItem* FindAnnotationSetForField(ArtField* field) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile* dex_file = field->GetDexFile(); |
| ObjPtr<mirror::Class> klass = field->GetDeclaringClass(); |
| const DexFile::AnnotationsDirectoryItem* annotations_dir = |
| dex_file->GetAnnotationsDirectory(*klass->GetClassDef()); |
| if (annotations_dir == nullptr) { |
| return nullptr; |
| } |
| const DexFile::FieldAnnotationsItem* field_annotations = |
| dex_file->GetFieldAnnotations(annotations_dir); |
| if (field_annotations == nullptr) { |
| return nullptr; |
| } |
| uint32_t field_index = field->GetDexFieldIndex(); |
| uint32_t field_count = annotations_dir->fields_size_; |
| for (uint32_t i = 0; i < field_count; ++i) { |
| if (field_annotations[i].field_idx_ == field_index) { |
| return dex_file->GetFieldAnnotationSetItem(field_annotations[i]); |
| } |
| } |
| return nullptr; |
| } |
| |
| const DexFile::AnnotationItem* SearchAnnotationSet(const DexFile& dex_file, |
| const DexFile::AnnotationSetItem* annotation_set, |
| const char* descriptor, |
| uint32_t visibility) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile::AnnotationItem* result = nullptr; |
| for (uint32_t i = 0; i < annotation_set->size_; ++i) { |
| const DexFile::AnnotationItem* annotation_item = dex_file.GetAnnotationItem(annotation_set, i); |
| if (!IsVisibilityCompatible(annotation_item->visibility_, visibility)) { |
| continue; |
| } |
| const uint8_t* annotation = annotation_item->annotation_; |
| uint32_t type_index = DecodeUnsignedLeb128(&annotation); |
| |
| if (strcmp(descriptor, dex_file.StringByTypeIdx(dex::TypeIndex(type_index))) == 0) { |
| result = annotation_item; |
| break; |
| } |
| } |
| return result; |
| } |
| |
| bool SkipAnnotationValue(const DexFile& dex_file, const uint8_t** annotation_ptr) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const uint8_t* annotation = *annotation_ptr; |
| uint8_t header_byte = *(annotation++); |
| uint8_t value_type = header_byte & DexFile::kDexAnnotationValueTypeMask; |
| uint8_t value_arg = header_byte >> DexFile::kDexAnnotationValueArgShift; |
| int32_t width = value_arg + 1; |
| |
| switch (value_type) { |
| case DexFile::kDexAnnotationByte: |
| case DexFile::kDexAnnotationShort: |
| case DexFile::kDexAnnotationChar: |
| case DexFile::kDexAnnotationInt: |
| case DexFile::kDexAnnotationLong: |
| case DexFile::kDexAnnotationFloat: |
| case DexFile::kDexAnnotationDouble: |
| case DexFile::kDexAnnotationString: |
| case DexFile::kDexAnnotationType: |
| case DexFile::kDexAnnotationMethod: |
| case DexFile::kDexAnnotationField: |
| case DexFile::kDexAnnotationEnum: |
| break; |
| case DexFile::kDexAnnotationArray: |
| { |
| uint32_t size = DecodeUnsignedLeb128(&annotation); |
| while (size--) { |
| if (!SkipAnnotationValue(dex_file, &annotation)) { |
| return false; |
| } |
| } |
| width = 0; |
| break; |
| } |
| case DexFile::kDexAnnotationAnnotation: |
| { |
| DecodeUnsignedLeb128(&annotation); // unused type_index |
| uint32_t size = DecodeUnsignedLeb128(&annotation); |
| while (size--) { |
| DecodeUnsignedLeb128(&annotation); // unused element_name_index |
| if (!SkipAnnotationValue(dex_file, &annotation)) { |
| return false; |
| } |
| } |
| width = 0; |
| break; |
| } |
| case DexFile::kDexAnnotationBoolean: |
| case DexFile::kDexAnnotationNull: |
| width = 0; |
| break; |
| default: |
| LOG(FATAL) << StringPrintf("Bad annotation element value byte 0x%02x", value_type); |
| return false; |
| } |
| |
| annotation += width; |
| *annotation_ptr = annotation; |
| return true; |
| } |
| |
| const uint8_t* SearchEncodedAnnotation(const DexFile& dex_file, |
| const uint8_t* annotation, |
| const char* name) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| DecodeUnsignedLeb128(&annotation); // unused type_index |
| uint32_t size = DecodeUnsignedLeb128(&annotation); |
| |
| while (size != 0) { |
| uint32_t element_name_index = DecodeUnsignedLeb128(&annotation); |
| const char* element_name = |
| dex_file.GetStringData(dex_file.GetStringId(dex::StringIndex(element_name_index))); |
| if (strcmp(name, element_name) == 0) { |
| return annotation; |
| } |
| SkipAnnotationValue(dex_file, &annotation); |
| size--; |
| } |
| return nullptr; |
| } |
| |
| const DexFile::AnnotationSetItem* FindAnnotationSetForMethod(ArtMethod* method) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile* dex_file = method->GetDexFile(); |
| const DexFile::AnnotationsDirectoryItem* annotations_dir = |
| dex_file->GetAnnotationsDirectory(method->GetClassDef()); |
| if (annotations_dir == nullptr) { |
| return nullptr; |
| } |
| const DexFile::MethodAnnotationsItem* method_annotations = |
| dex_file->GetMethodAnnotations(annotations_dir); |
| if (method_annotations == nullptr) { |
| return nullptr; |
| } |
| uint32_t method_index = method->GetDexMethodIndex(); |
| uint32_t method_count = annotations_dir->methods_size_; |
| for (uint32_t i = 0; i < method_count; ++i) { |
| if (method_annotations[i].method_idx_ == method_index) { |
| return dex_file->GetMethodAnnotationSetItem(method_annotations[i]); |
| } |
| } |
| return nullptr; |
| } |
| |
| const DexFile::ParameterAnnotationsItem* FindAnnotationsItemForMethod(ArtMethod* method) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile* dex_file = method->GetDexFile(); |
| const DexFile::AnnotationsDirectoryItem* annotations_dir = |
| dex_file->GetAnnotationsDirectory(method->GetClassDef()); |
| if (annotations_dir == nullptr) { |
| return nullptr; |
| } |
| const DexFile::ParameterAnnotationsItem* parameter_annotations = |
| dex_file->GetParameterAnnotations(annotations_dir); |
| if (parameter_annotations == nullptr) { |
| return nullptr; |
| } |
| uint32_t method_index = method->GetDexMethodIndex(); |
| uint32_t parameter_count = annotations_dir->parameters_size_; |
| for (uint32_t i = 0; i < parameter_count; ++i) { |
| if (parameter_annotations[i].method_idx_ == method_index) { |
| return ¶meter_annotations[i]; |
| } |
| } |
| return nullptr; |
| } |
| |
| const DexFile::AnnotationSetItem* FindAnnotationSetForClass(const ClassData& klass) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| const DexFile::AnnotationsDirectoryItem* annotations_dir = |
| dex_file.GetAnnotationsDirectory(*klass.GetClassDef()); |
| if (annotations_dir == nullptr) { |
| return nullptr; |
| } |
| return dex_file.GetClassAnnotationSet(annotations_dir); |
| } |
| |
| mirror::Object* ProcessEncodedAnnotation(const ClassData& klass, const uint8_t** annotation) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| uint32_t type_index = DecodeUnsignedLeb128(annotation); |
| uint32_t size = DecodeUnsignedLeb128(annotation); |
| |
| Thread* self = Thread::Current(); |
| ScopedObjectAccessUnchecked soa(self); |
| StackHandleScope<4> hs(self); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| Handle<mirror::Class> annotation_class(hs.NewHandle( |
| class_linker->ResolveType(klass.GetDexFile(), |
| dex::TypeIndex(type_index), |
| hs.NewHandle(klass.GetDexCache()), |
| hs.NewHandle(klass.GetClassLoader())))); |
| if (annotation_class == nullptr) { |
| LOG(INFO) << "Unable to resolve " << klass.GetRealClass()->PrettyClass() |
| << " annotation class " << type_index; |
| DCHECK(Thread::Current()->IsExceptionPending()); |
| Thread::Current()->ClearException(); |
| return nullptr; |
| } |
| |
| ObjPtr<mirror::Class> annotation_member_class = |
| soa.Decode<mirror::Class>(WellKnownClasses::libcore_reflect_AnnotationMember).Ptr(); |
| mirror::Class* annotation_member_array_class = |
| class_linker->FindArrayClass(self, &annotation_member_class); |
| if (annotation_member_array_class == nullptr) { |
| return nullptr; |
| } |
| mirror::ObjectArray<mirror::Object>* element_array = nullptr; |
| if (size > 0) { |
| element_array = |
| mirror::ObjectArray<mirror::Object>::Alloc(self, annotation_member_array_class, size); |
| if (element_array == nullptr) { |
| LOG(ERROR) << "Failed to allocate annotation member array (" << size << " elements)"; |
| return nullptr; |
| } |
| } |
| |
| Handle<mirror::ObjectArray<mirror::Object>> h_element_array(hs.NewHandle(element_array)); |
| for (uint32_t i = 0; i < size; ++i) { |
| mirror::Object* new_member = CreateAnnotationMember(klass, annotation_class, annotation); |
| if (new_member == nullptr) { |
| return nullptr; |
| } |
| h_element_array->SetWithoutChecks<false>(i, new_member); |
| } |
| |
| JValue result; |
| ArtMethod* create_annotation_method = |
| jni::DecodeArtMethod(WellKnownClasses::libcore_reflect_AnnotationFactory_createAnnotation); |
| uint32_t args[2] = { static_cast<uint32_t>(reinterpret_cast<uintptr_t>(annotation_class.Get())), |
| static_cast<uint32_t>(reinterpret_cast<uintptr_t>(h_element_array.Get())) }; |
| create_annotation_method->Invoke(self, args, sizeof(args), &result, "LLL"); |
| if (self->IsExceptionPending()) { |
| LOG(INFO) << "Exception in AnnotationFactory.createAnnotation"; |
| return nullptr; |
| } |
| |
| return result.GetL(); |
| } |
| |
| template <bool kTransactionActive> |
| bool ProcessAnnotationValue(const ClassData& klass, |
| const uint8_t** annotation_ptr, |
| DexFile::AnnotationValue* annotation_value, |
| Handle<mirror::Class> array_class, |
| DexFile::AnnotationResultStyle result_style) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| Thread* self = Thread::Current(); |
| ObjPtr<mirror::Object> element_object = nullptr; |
| bool set_object = false; |
| Primitive::Type primitive_type = Primitive::kPrimVoid; |
| const uint8_t* annotation = *annotation_ptr; |
| uint8_t header_byte = *(annotation++); |
| uint8_t value_type = header_byte & DexFile::kDexAnnotationValueTypeMask; |
| uint8_t value_arg = header_byte >> DexFile::kDexAnnotationValueArgShift; |
| int32_t width = value_arg + 1; |
| annotation_value->type_ = value_type; |
| |
| switch (value_type) { |
| case DexFile::kDexAnnotationByte: |
| annotation_value->value_.SetB( |
| static_cast<int8_t>(DexFile::ReadSignedInt(annotation, value_arg))); |
| primitive_type = Primitive::kPrimByte; |
| break; |
| case DexFile::kDexAnnotationShort: |
| annotation_value->value_.SetS( |
| static_cast<int16_t>(DexFile::ReadSignedInt(annotation, value_arg))); |
| primitive_type = Primitive::kPrimShort; |
| break; |
| case DexFile::kDexAnnotationChar: |
| annotation_value->value_.SetC( |
| static_cast<uint16_t>(DexFile::ReadUnsignedInt(annotation, value_arg, false))); |
| primitive_type = Primitive::kPrimChar; |
| break; |
| case DexFile::kDexAnnotationInt: |
| annotation_value->value_.SetI(DexFile::ReadSignedInt(annotation, value_arg)); |
| primitive_type = Primitive::kPrimInt; |
| break; |
| case DexFile::kDexAnnotationLong: |
| annotation_value->value_.SetJ(DexFile::ReadSignedLong(annotation, value_arg)); |
| primitive_type = Primitive::kPrimLong; |
| break; |
| case DexFile::kDexAnnotationFloat: |
| annotation_value->value_.SetI(DexFile::ReadUnsignedInt(annotation, value_arg, true)); |
| primitive_type = Primitive::kPrimFloat; |
| break; |
| case DexFile::kDexAnnotationDouble: |
| annotation_value->value_.SetJ(DexFile::ReadUnsignedLong(annotation, value_arg, true)); |
| primitive_type = Primitive::kPrimDouble; |
| break; |
| case DexFile::kDexAnnotationBoolean: |
| annotation_value->value_.SetZ(value_arg != 0); |
| primitive_type = Primitive::kPrimBoolean; |
| width = 0; |
| break; |
| case DexFile::kDexAnnotationString: { |
| uint32_t index = DexFile::ReadUnsignedInt(annotation, value_arg, false); |
| if (result_style == DexFile::kAllRaw) { |
| annotation_value->value_.SetI(index); |
| } else { |
| StackHandleScope<1> hs(self); |
| element_object = Runtime::Current()->GetClassLinker()->ResolveString( |
| klass.GetDexFile(), dex::StringIndex(index), hs.NewHandle(klass.GetDexCache())); |
| set_object = true; |
| if (element_object == nullptr) { |
| return false; |
| } |
| } |
| break; |
| } |
| case DexFile::kDexAnnotationType: { |
| uint32_t index = DexFile::ReadUnsignedInt(annotation, value_arg, false); |
| if (result_style == DexFile::kAllRaw) { |
| annotation_value->value_.SetI(index); |
| } else { |
| dex::TypeIndex type_index(index); |
| StackHandleScope<2> hs(self); |
| element_object = Runtime::Current()->GetClassLinker()->ResolveType( |
| klass.GetDexFile(), |
| type_index, |
| hs.NewHandle(klass.GetDexCache()), |
| hs.NewHandle(klass.GetClassLoader())); |
| set_object = true; |
| if (element_object == nullptr) { |
| CHECK(self->IsExceptionPending()); |
| if (result_style == DexFile::kAllObjects) { |
| const char* msg = dex_file.StringByTypeIdx(type_index); |
| self->ThrowNewWrappedException("Ljava/lang/TypeNotPresentException;", msg); |
| element_object = self->GetException(); |
| self->ClearException(); |
| } else { |
| return false; |
| } |
| } |
| } |
| break; |
| } |
| case DexFile::kDexAnnotationMethod: { |
| uint32_t index = DexFile::ReadUnsignedInt(annotation, value_arg, false); |
| if (result_style == DexFile::kAllRaw) { |
| annotation_value->value_.SetI(index); |
| } else { |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| StackHandleScope<2> hs(self); |
| ArtMethod* method = class_linker->ResolveMethodWithoutInvokeType( |
| klass.GetDexFile(), |
| index, |
| hs.NewHandle(klass.GetDexCache()), |
| hs.NewHandle(klass.GetClassLoader())); |
| if (method == nullptr) { |
| return false; |
| } |
| PointerSize pointer_size = class_linker->GetImagePointerSize(); |
| set_object = true; |
| if (method->IsConstructor()) { |
| if (pointer_size == PointerSize::k64) { |
| element_object = mirror::Constructor::CreateFromArtMethod<PointerSize::k64, |
| kTransactionActive>(self, method); |
| } else { |
| element_object = mirror::Constructor::CreateFromArtMethod<PointerSize::k32, |
| kTransactionActive>(self, method); |
| } |
| } else { |
| if (pointer_size == PointerSize::k64) { |
| element_object = mirror::Method::CreateFromArtMethod<PointerSize::k64, |
| kTransactionActive>(self, method); |
| } else { |
| element_object = mirror::Method::CreateFromArtMethod<PointerSize::k32, |
| kTransactionActive>(self, method); |
| } |
| } |
| if (element_object == nullptr) { |
| return false; |
| } |
| } |
| break; |
| } |
| case DexFile::kDexAnnotationField: { |
| uint32_t index = DexFile::ReadUnsignedInt(annotation, value_arg, false); |
| if (result_style == DexFile::kAllRaw) { |
| annotation_value->value_.SetI(index); |
| } else { |
| StackHandleScope<2> hs(self); |
| ArtField* field = Runtime::Current()->GetClassLinker()->ResolveFieldJLS( |
| klass.GetDexFile(), |
| index, |
| hs.NewHandle(klass.GetDexCache()), |
| hs.NewHandle(klass.GetClassLoader())); |
| if (field == nullptr) { |
| return false; |
| } |
| set_object = true; |
| PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
| if (pointer_size == PointerSize::k64) { |
| element_object = mirror::Field::CreateFromArtField<PointerSize::k64, |
| kTransactionActive>(self, field, true); |
| } else { |
| element_object = mirror::Field::CreateFromArtField<PointerSize::k32, |
| kTransactionActive>(self, field, true); |
| } |
| if (element_object == nullptr) { |
| return false; |
| } |
| } |
| break; |
| } |
| case DexFile::kDexAnnotationEnum: { |
| uint32_t index = DexFile::ReadUnsignedInt(annotation, value_arg, false); |
| if (result_style == DexFile::kAllRaw) { |
| annotation_value->value_.SetI(index); |
| } else { |
| StackHandleScope<3> hs(self); |
| ArtField* enum_field = Runtime::Current()->GetClassLinker()->ResolveField( |
| klass.GetDexFile(), |
| index, |
| hs.NewHandle(klass.GetDexCache()), |
| hs.NewHandle(klass.GetClassLoader()), |
| true); |
| if (enum_field == nullptr) { |
| return false; |
| } else { |
| Handle<mirror::Class> field_class(hs.NewHandle(enum_field->GetDeclaringClass())); |
| Runtime::Current()->GetClassLinker()->EnsureInitialized(self, field_class, true, true); |
| element_object = enum_field->GetObject(field_class.Get()); |
| set_object = true; |
| } |
| } |
| break; |
| } |
| case DexFile::kDexAnnotationArray: |
| if (result_style == DexFile::kAllRaw || array_class == nullptr) { |
| return false; |
| } else { |
| ScopedObjectAccessUnchecked soa(self); |
| StackHandleScope<2> hs(self); |
| uint32_t size = DecodeUnsignedLeb128(&annotation); |
| Handle<mirror::Class> component_type(hs.NewHandle(array_class->GetComponentType())); |
| Handle<mirror::Array> new_array(hs.NewHandle(mirror::Array::Alloc<true>( |
| self, array_class.Get(), size, array_class->GetComponentSizeShift(), |
| Runtime::Current()->GetHeap()->GetCurrentAllocator()))); |
| if (new_array == nullptr) { |
| LOG(ERROR) << "Annotation element array allocation failed with size " << size; |
| return false; |
| } |
| DexFile::AnnotationValue new_annotation_value; |
| for (uint32_t i = 0; i < size; ++i) { |
| if (!ProcessAnnotationValue<kTransactionActive>(klass, |
| &annotation, |
| &new_annotation_value, |
| component_type, |
| DexFile::kPrimitivesOrObjects)) { |
| return false; |
| } |
| if (!component_type->IsPrimitive()) { |
| mirror::Object* obj = new_annotation_value.value_.GetL(); |
| new_array->AsObjectArray<mirror::Object>()-> |
| SetWithoutChecks<kTransactionActive>(i, obj); |
| } else { |
| switch (new_annotation_value.type_) { |
| case DexFile::kDexAnnotationByte: |
| new_array->AsByteArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetB()); |
| break; |
| case DexFile::kDexAnnotationShort: |
| new_array->AsShortArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetS()); |
| break; |
| case DexFile::kDexAnnotationChar: |
| new_array->AsCharArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetC()); |
| break; |
| case DexFile::kDexAnnotationInt: |
| new_array->AsIntArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetI()); |
| break; |
| case DexFile::kDexAnnotationLong: |
| new_array->AsLongArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetJ()); |
| break; |
| case DexFile::kDexAnnotationFloat: |
| new_array->AsFloatArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetF()); |
| break; |
| case DexFile::kDexAnnotationDouble: |
| new_array->AsDoubleArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetD()); |
| break; |
| case DexFile::kDexAnnotationBoolean: |
| new_array->AsBooleanArray()->SetWithoutChecks<kTransactionActive>( |
| i, new_annotation_value.value_.GetZ()); |
| break; |
| default: |
| LOG(FATAL) << "Found invalid annotation value type while building annotation array"; |
| return false; |
| } |
| } |
| } |
| element_object = new_array.Get(); |
| set_object = true; |
| width = 0; |
| } |
| break; |
| case DexFile::kDexAnnotationAnnotation: |
| if (result_style == DexFile::kAllRaw) { |
| return false; |
| } |
| element_object = ProcessEncodedAnnotation(klass, &annotation); |
| if (element_object == nullptr) { |
| return false; |
| } |
| set_object = true; |
| width = 0; |
| break; |
| case DexFile::kDexAnnotationNull: |
| if (result_style == DexFile::kAllRaw) { |
| annotation_value->value_.SetI(0); |
| } else { |
| CHECK(element_object == nullptr); |
| set_object = true; |
| } |
| width = 0; |
| break; |
| default: |
| LOG(ERROR) << StringPrintf("Bad annotation element value type 0x%02x", value_type); |
| return false; |
| } |
| |
| annotation += width; |
| *annotation_ptr = annotation; |
| |
| if (result_style == DexFile::kAllObjects && primitive_type != Primitive::kPrimVoid) { |
| element_object = BoxPrimitive(primitive_type, annotation_value->value_).Ptr(); |
| set_object = true; |
| } |
| |
| if (set_object) { |
| annotation_value->value_.SetL(element_object.Ptr()); |
| } |
| |
| return true; |
| } |
| |
| mirror::Object* CreateAnnotationMember(const ClassData& klass, |
| Handle<mirror::Class> annotation_class, |
| const uint8_t** annotation) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| Thread* self = Thread::Current(); |
| ScopedObjectAccessUnchecked soa(self); |
| StackHandleScope<5> hs(self); |
| uint32_t element_name_index = DecodeUnsignedLeb128(annotation); |
| const char* name = dex_file.StringDataByIdx(dex::StringIndex(element_name_index)); |
| Handle<mirror::String> string_name( |
| hs.NewHandle(mirror::String::AllocFromModifiedUtf8(self, name))); |
| |
| PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
| ArtMethod* annotation_method = |
| annotation_class->FindDeclaredVirtualMethodByName(name, pointer_size); |
| if (annotation_method == nullptr) { |
| return nullptr; |
| } |
| Handle<mirror::Class> method_return(hs.NewHandle( |
| annotation_method->GetReturnType(true /* resolve */))); |
| |
| DexFile::AnnotationValue annotation_value; |
| if (!ProcessAnnotationValue<false>(klass, |
| annotation, |
| &annotation_value, |
| method_return, |
| DexFile::kAllObjects)) { |
| return nullptr; |
| } |
| Handle<mirror::Object> value_object(hs.NewHandle(annotation_value.value_.GetL())); |
| |
| ObjPtr<mirror::Class> annotation_member_class = |
| WellKnownClasses::ToClass(WellKnownClasses::libcore_reflect_AnnotationMember); |
| Handle<mirror::Object> new_member(hs.NewHandle(annotation_member_class->AllocObject(self))); |
| mirror::Method* method_obj_ptr; |
| DCHECK(!Runtime::Current()->IsActiveTransaction()); |
| if (pointer_size == PointerSize::k64) { |
| method_obj_ptr = mirror::Method::CreateFromArtMethod<PointerSize::k64, false>( |
| self, annotation_method); |
| } else { |
| method_obj_ptr = mirror::Method::CreateFromArtMethod<PointerSize::k32, false>( |
| self, annotation_method); |
| } |
| Handle<mirror::Method> method_object(hs.NewHandle(method_obj_ptr)); |
| |
| if (new_member == nullptr || string_name == nullptr || |
| method_object == nullptr || method_return == nullptr) { |
| LOG(ERROR) << StringPrintf("Failed creating annotation element (m=%p n=%p a=%p r=%p", |
| new_member.Get(), string_name.Get(), method_object.Get(), method_return.Get()); |
| return nullptr; |
| } |
| |
| JValue result; |
| ArtMethod* annotation_member_init = |
| jni::DecodeArtMethod(WellKnownClasses::libcore_reflect_AnnotationMember_init); |
| uint32_t args[5] = { static_cast<uint32_t>(reinterpret_cast<uintptr_t>(new_member.Get())), |
| static_cast<uint32_t>(reinterpret_cast<uintptr_t>(string_name.Get())), |
| static_cast<uint32_t>(reinterpret_cast<uintptr_t>(value_object.Get())), |
| static_cast<uint32_t>(reinterpret_cast<uintptr_t>(method_return.Get())), |
| static_cast<uint32_t>(reinterpret_cast<uintptr_t>(method_object.Get())) |
| }; |
| annotation_member_init->Invoke(self, args, sizeof(args), &result, "VLLLL"); |
| if (self->IsExceptionPending()) { |
| LOG(INFO) << "Exception in AnnotationMember.<init>"; |
| return nullptr; |
| } |
| |
| return new_member.Get(); |
| } |
| |
| const DexFile::AnnotationItem* GetAnnotationItemFromAnnotationSet( |
| const ClassData& klass, |
| const DexFile::AnnotationSetItem* annotation_set, |
| uint32_t visibility, |
| Handle<mirror::Class> annotation_class) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| for (uint32_t i = 0; i < annotation_set->size_; ++i) { |
| const DexFile::AnnotationItem* annotation_item = dex_file.GetAnnotationItem(annotation_set, i); |
| if (!IsVisibilityCompatible(annotation_item->visibility_, visibility)) { |
| continue; |
| } |
| const uint8_t* annotation = annotation_item->annotation_; |
| uint32_t type_index = DecodeUnsignedLeb128(&annotation); |
| StackHandleScope<2> hs(Thread::Current()); |
| mirror::Class* resolved_class = Runtime::Current()->GetClassLinker()->ResolveType( |
| klass.GetDexFile(), |
| dex::TypeIndex(type_index), |
| hs.NewHandle(klass.GetDexCache()), |
| hs.NewHandle(klass.GetClassLoader())); |
| if (resolved_class == nullptr) { |
| std::string temp; |
| LOG(WARNING) << StringPrintf("Unable to resolve %s annotation class %d", |
| klass.GetRealClass()->GetDescriptor(&temp), type_index); |
| CHECK(Thread::Current()->IsExceptionPending()); |
| Thread::Current()->ClearException(); |
| continue; |
| } |
| if (resolved_class == annotation_class.Get()) { |
| return annotation_item; |
| } |
| } |
| |
| return nullptr; |
| } |
| |
| mirror::Object* GetAnnotationObjectFromAnnotationSet( |
| const ClassData& klass, |
| const DexFile::AnnotationSetItem* annotation_set, |
| uint32_t visibility, |
| Handle<mirror::Class> annotation_class) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile::AnnotationItem* annotation_item = |
| GetAnnotationItemFromAnnotationSet(klass, annotation_set, visibility, annotation_class); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| const uint8_t* annotation = annotation_item->annotation_; |
| return ProcessEncodedAnnotation(klass, &annotation); |
| } |
| |
| mirror::Object* GetAnnotationValue(const ClassData& klass, |
| const DexFile::AnnotationItem* annotation_item, |
| const char* annotation_name, |
| Handle<mirror::Class> array_class, |
| uint32_t expected_type) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| const uint8_t* annotation = |
| SearchEncodedAnnotation(dex_file, annotation_item->annotation_, annotation_name); |
| if (annotation == nullptr) { |
| return nullptr; |
| } |
| DexFile::AnnotationValue annotation_value; |
| bool result = Runtime::Current()->IsActiveTransaction() |
| ? ProcessAnnotationValue<true>(klass, |
| &annotation, |
| &annotation_value, |
| array_class, |
| DexFile::kAllObjects) |
| : ProcessAnnotationValue<false>(klass, |
| &annotation, |
| &annotation_value, |
| array_class, |
| DexFile::kAllObjects); |
| if (!result) { |
| return nullptr; |
| } |
| if (annotation_value.type_ != expected_type) { |
| return nullptr; |
| } |
| return annotation_value.value_.GetL(); |
| } |
| |
| mirror::ObjectArray<mirror::String>* GetSignatureValue(const ClassData& klass, |
| const DexFile::AnnotationSetItem* annotation_set) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| StackHandleScope<1> hs(Thread::Current()); |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(dex_file, annotation_set, "Ldalvik/annotation/Signature;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| ObjPtr<mirror::Class> string_class = mirror::String::GetJavaLangString(); |
| Handle<mirror::Class> string_array_class(hs.NewHandle( |
| Runtime::Current()->GetClassLinker()->FindArrayClass(Thread::Current(), &string_class))); |
| if (string_array_class == nullptr) { |
| return nullptr; |
| } |
| mirror::Object* obj = |
| GetAnnotationValue(klass, annotation_item, "value", string_array_class, |
| DexFile::kDexAnnotationArray); |
| if (obj == nullptr) { |
| return nullptr; |
| } |
| return obj->AsObjectArray<mirror::String>(); |
| } |
| |
| mirror::ObjectArray<mirror::Class>* GetThrowsValue(const ClassData& klass, |
| const DexFile::AnnotationSetItem* annotation_set) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| StackHandleScope<1> hs(Thread::Current()); |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(dex_file, annotation_set, "Ldalvik/annotation/Throws;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| ObjPtr<mirror::Class> class_class = mirror::Class::GetJavaLangClass(); |
| Handle<mirror::Class> class_array_class(hs.NewHandle( |
| Runtime::Current()->GetClassLinker()->FindArrayClass(Thread::Current(), &class_class))); |
| if (class_array_class == nullptr) { |
| return nullptr; |
| } |
| mirror::Object* obj = |
| GetAnnotationValue(klass, annotation_item, "value", class_array_class, |
| DexFile::kDexAnnotationArray); |
| if (obj == nullptr) { |
| return nullptr; |
| } |
| return obj->AsObjectArray<mirror::Class>(); |
| } |
| |
| mirror::ObjectArray<mirror::Object>* ProcessAnnotationSet( |
| const ClassData& klass, |
| const DexFile::AnnotationSetItem* annotation_set, |
| uint32_t visibility) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| Thread* self = Thread::Current(); |
| ScopedObjectAccessUnchecked soa(self); |
| StackHandleScope<2> hs(self); |
| Handle<mirror::Class> annotation_array_class(hs.NewHandle( |
| soa.Decode<mirror::Class>(WellKnownClasses::java_lang_annotation_Annotation__array))); |
| if (annotation_set == nullptr) { |
| return mirror::ObjectArray<mirror::Object>::Alloc(self, annotation_array_class.Get(), 0); |
| } |
| |
| uint32_t size = annotation_set->size_; |
| Handle<mirror::ObjectArray<mirror::Object>> result(hs.NewHandle( |
| mirror::ObjectArray<mirror::Object>::Alloc(self, annotation_array_class.Get(), size))); |
| if (result == nullptr) { |
| return nullptr; |
| } |
| |
| uint32_t dest_index = 0; |
| for (uint32_t i = 0; i < size; ++i) { |
| const DexFile::AnnotationItem* annotation_item = dex_file.GetAnnotationItem(annotation_set, i); |
| // Note that we do not use IsVisibilityCompatible here because older code |
| // was correct for this case. |
| if (annotation_item->visibility_ != visibility) { |
| continue; |
| } |
| const uint8_t* annotation = annotation_item->annotation_; |
| mirror::Object* annotation_obj = ProcessEncodedAnnotation(klass, &annotation); |
| if (annotation_obj != nullptr) { |
| result->SetWithoutChecks<false>(dest_index, annotation_obj); |
| ++dest_index; |
| } else if (self->IsExceptionPending()) { |
| return nullptr; |
| } |
| } |
| |
| if (dest_index == size) { |
| return result.Get(); |
| } |
| |
| mirror::ObjectArray<mirror::Object>* trimmed_result = |
| mirror::ObjectArray<mirror::Object>::Alloc(self, annotation_array_class.Get(), dest_index); |
| if (trimmed_result == nullptr) { |
| return nullptr; |
| } |
| |
| for (uint32_t i = 0; i < dest_index; ++i) { |
| mirror::Object* obj = result->GetWithoutChecks(i); |
| trimmed_result->SetWithoutChecks<false>(i, obj); |
| } |
| |
| return trimmed_result; |
| } |
| |
| mirror::ObjectArray<mirror::Object>* ProcessAnnotationSetRefList( |
| const ClassData& klass, |
| const DexFile::AnnotationSetRefList* set_ref_list, |
| uint32_t size) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| const DexFile& dex_file = klass.GetDexFile(); |
| Thread* self = Thread::Current(); |
| ScopedObjectAccessUnchecked soa(self); |
| StackHandleScope<1> hs(self); |
| ObjPtr<mirror::Class> annotation_array_class = |
| soa.Decode<mirror::Class>(WellKnownClasses::java_lang_annotation_Annotation__array); |
| mirror::Class* annotation_array_array_class = |
| Runtime::Current()->GetClassLinker()->FindArrayClass(self, &annotation_array_class); |
| if (annotation_array_array_class == nullptr) { |
| return nullptr; |
| } |
| Handle<mirror::ObjectArray<mirror::Object>> annotation_array_array(hs.NewHandle( |
| mirror::ObjectArray<mirror::Object>::Alloc(self, annotation_array_array_class, size))); |
| if (annotation_array_array == nullptr) { |
| LOG(ERROR) << "Annotation set ref array allocation failed"; |
| return nullptr; |
| } |
| for (uint32_t index = 0; index < size; ++index) { |
| const DexFile::AnnotationSetRefItem* set_ref_item = &set_ref_list->list_[index]; |
| const DexFile::AnnotationSetItem* set_item = dex_file.GetSetRefItemItem(set_ref_item); |
| mirror::Object* annotation_set = ProcessAnnotationSet(klass, set_item, |
| DexFile::kDexVisibilityRuntime); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| annotation_array_array->SetWithoutChecks<false>(index, annotation_set); |
| } |
| return annotation_array_array.Get(); |
| } |
| } // namespace |
| |
| namespace annotations { |
| |
| mirror::Object* GetAnnotationForField(ArtField* field, Handle<mirror::Class> annotation_class) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForField(field); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| StackHandleScope<1> hs(Thread::Current()); |
| const ClassData field_class(hs, field); |
| return GetAnnotationObjectFromAnnotationSet(field_class, |
| annotation_set, |
| DexFile::kDexVisibilityRuntime, |
| annotation_class); |
| } |
| |
| mirror::ObjectArray<mirror::Object>* GetAnnotationsForField(ArtField* field) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForField(field); |
| StackHandleScope<1> hs(Thread::Current()); |
| const ClassData field_class(hs, field); |
| return ProcessAnnotationSet(field_class, annotation_set, DexFile::kDexVisibilityRuntime); |
| } |
| |
| mirror::ObjectArray<mirror::String>* GetSignatureAnnotationForField(ArtField* field) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForField(field); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| StackHandleScope<1> hs(Thread::Current()); |
| const ClassData field_class(hs, field); |
| return GetSignatureValue(field_class, annotation_set); |
| } |
| |
| bool IsFieldAnnotationPresent(ArtField* field, Handle<mirror::Class> annotation_class) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForField(field); |
| if (annotation_set == nullptr) { |
| return false; |
| } |
| StackHandleScope<1> hs(Thread::Current()); |
| const ClassData field_class(hs, field); |
| const DexFile::AnnotationItem* annotation_item = GetAnnotationItemFromAnnotationSet( |
| field_class, annotation_set, DexFile::kDexVisibilityRuntime, annotation_class); |
| return annotation_item != nullptr; |
| } |
| |
| mirror::Object* GetAnnotationDefaultValue(ArtMethod* method) { |
| const ClassData klass(method); |
| const DexFile* dex_file = &klass.GetDexFile(); |
| const DexFile::AnnotationsDirectoryItem* annotations_dir = |
| dex_file->GetAnnotationsDirectory(*klass.GetClassDef()); |
| if (annotations_dir == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationSetItem* annotation_set = |
| dex_file->GetClassAnnotationSet(annotations_dir); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationItem* annotation_item = SearchAnnotationSet(*dex_file, annotation_set, |
| "Ldalvik/annotation/AnnotationDefault;", DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| const uint8_t* annotation = |
| SearchEncodedAnnotation(*dex_file, annotation_item->annotation_, "value"); |
| if (annotation == nullptr) { |
| return nullptr; |
| } |
| uint8_t header_byte = *(annotation++); |
| if ((header_byte & DexFile::kDexAnnotationValueTypeMask) != DexFile::kDexAnnotationAnnotation) { |
| return nullptr; |
| } |
| annotation = SearchEncodedAnnotation(*dex_file, annotation, method->GetName()); |
| if (annotation == nullptr) { |
| return nullptr; |
| } |
| DexFile::AnnotationValue annotation_value; |
| StackHandleScope<1> hs(Thread::Current()); |
| Handle<mirror::Class> return_type(hs.NewHandle(method->GetReturnType(true /* resolve */))); |
| if (!ProcessAnnotationValue<false>(klass, |
| &annotation, |
| &annotation_value, |
| return_type, |
| DexFile::kAllObjects)) { |
| return nullptr; |
| } |
| return annotation_value.value_.GetL(); |
| } |
| |
| mirror::Object* GetAnnotationForMethod(ArtMethod* method, Handle<mirror::Class> annotation_class) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForMethod(method); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| return GetAnnotationObjectFromAnnotationSet(ClassData(method), annotation_set, |
| DexFile::kDexVisibilityRuntime, annotation_class); |
| } |
| |
| mirror::ObjectArray<mirror::Object>* GetAnnotationsForMethod(ArtMethod* method) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForMethod(method); |
| return ProcessAnnotationSet(ClassData(method), |
| annotation_set, |
| DexFile::kDexVisibilityRuntime); |
| } |
| |
| mirror::ObjectArray<mirror::Class>* GetExceptionTypesForMethod(ArtMethod* method) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForMethod(method); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| return GetThrowsValue(ClassData(method), annotation_set); |
| } |
| |
| mirror::ObjectArray<mirror::Object>* GetParameterAnnotations(ArtMethod* method) { |
| const DexFile* dex_file = method->GetDexFile(); |
| const DexFile::ParameterAnnotationsItem* parameter_annotations = |
| FindAnnotationsItemForMethod(method); |
| if (parameter_annotations == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationSetRefList* set_ref_list = |
| dex_file->GetParameterAnnotationSetRefList(parameter_annotations); |
| if (set_ref_list == nullptr) { |
| return nullptr; |
| } |
| uint32_t size = set_ref_list->size_; |
| return ProcessAnnotationSetRefList(ClassData(method), set_ref_list, size); |
| } |
| |
| mirror::Object* GetAnnotationForMethodParameter(ArtMethod* method, |
| uint32_t parameter_idx, |
| Handle<mirror::Class> annotation_class) { |
| const DexFile* dex_file = method->GetDexFile(); |
| const DexFile::ParameterAnnotationsItem* parameter_annotations = |
| FindAnnotationsItemForMethod(method); |
| if (parameter_annotations == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationSetRefList* set_ref_list = |
| dex_file->GetParameterAnnotationSetRefList(parameter_annotations); |
| if (set_ref_list == nullptr) { |
| return nullptr; |
| } |
| if (parameter_idx >= set_ref_list->size_) { |
| return nullptr; |
| } |
| const DexFile::AnnotationSetRefItem* annotation_set_ref = &set_ref_list->list_[parameter_idx]; |
| const DexFile::AnnotationSetItem* annotation_set = |
| dex_file->GetSetRefItemItem(annotation_set_ref); |
| |
| return GetAnnotationObjectFromAnnotationSet(ClassData(method), |
| annotation_set, |
| DexFile::kDexVisibilityRuntime, |
| annotation_class); |
| } |
| |
| bool GetParametersMetadataForMethod(ArtMethod* method, |
| MutableHandle<mirror::ObjectArray<mirror::String>>* names, |
| MutableHandle<mirror::IntArray>* access_flags) { |
| const DexFile::AnnotationSetItem::AnnotationSetItem* annotation_set = |
| FindAnnotationSetForMethod(method); |
| if (annotation_set == nullptr) { |
| return false; |
| } |
| |
| const DexFile* dex_file = method->GetDexFile(); |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(*dex_file, |
| annotation_set, |
| "Ldalvik/annotation/MethodParameters;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return false; |
| } |
| |
| StackHandleScope<4> hs(Thread::Current()); |
| |
| // Extract the parameters' names String[]. |
| ObjPtr<mirror::Class> string_class = mirror::String::GetJavaLangString(); |
| Handle<mirror::Class> string_array_class(hs.NewHandle( |
| Runtime::Current()->GetClassLinker()->FindArrayClass(Thread::Current(), &string_class))); |
| if (UNLIKELY(string_array_class == nullptr)) { |
| return false; |
| } |
| |
| ClassData data(method); |
| Handle<mirror::Object> names_obj = |
| hs.NewHandle(GetAnnotationValue(data, |
| annotation_item, |
| "names", |
| string_array_class, |
| DexFile::kDexAnnotationArray)); |
| if (names_obj == nullptr) { |
| return false; |
| } |
| |
| // Extract the parameters' access flags int[]. |
| Handle<mirror::Class> int_array_class(hs.NewHandle(mirror::IntArray::GetArrayClass())); |
| if (UNLIKELY(int_array_class == nullptr)) { |
| return false; |
| } |
| Handle<mirror::Object> access_flags_obj = |
| hs.NewHandle(GetAnnotationValue(data, |
| annotation_item, |
| "accessFlags", |
| int_array_class, |
| DexFile::kDexAnnotationArray)); |
| if (access_flags_obj == nullptr) { |
| return false; |
| } |
| |
| names->Assign(names_obj.Get()->AsObjectArray<mirror::String>()); |
| access_flags->Assign(access_flags_obj.Get()->AsIntArray()); |
| return true; |
| } |
| |
| mirror::ObjectArray<mirror::String>* GetSignatureAnnotationForMethod(ArtMethod* method) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForMethod(method); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| return GetSignatureValue(ClassData(method), annotation_set); |
| } |
| |
| bool IsMethodAnnotationPresent(ArtMethod* method, Handle<mirror::Class> annotation_class, |
| uint32_t visibility /* = DexFile::kDexVisibilityRuntime */) { |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForMethod(method); |
| if (annotation_set == nullptr) { |
| return false; |
| } |
| const DexFile::AnnotationItem* annotation_item = |
| GetAnnotationItemFromAnnotationSet(ClassData(method), |
| annotation_set, visibility, annotation_class); |
| return annotation_item != nullptr; |
| } |
| |
| mirror::Object* GetAnnotationForClass(Handle<mirror::Class> klass, |
| Handle<mirror::Class> annotation_class) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| return GetAnnotationObjectFromAnnotationSet(data, |
| annotation_set, |
| DexFile::kDexVisibilityRuntime, |
| annotation_class); |
| } |
| |
| mirror::ObjectArray<mirror::Object>* GetAnnotationsForClass(Handle<mirror::Class> klass) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| return ProcessAnnotationSet(data, annotation_set, DexFile::kDexVisibilityRuntime); |
| } |
| |
| mirror::ObjectArray<mirror::Class>* GetDeclaredClasses(Handle<mirror::Class> klass) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(data.GetDexFile(), annotation_set, "Ldalvik/annotation/MemberClasses;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| StackHandleScope<1> hs(Thread::Current()); |
| ObjPtr<mirror::Class> class_class = mirror::Class::GetJavaLangClass(); |
| Handle<mirror::Class> class_array_class(hs.NewHandle( |
| Runtime::Current()->GetClassLinker()->FindArrayClass(hs.Self(), &class_class))); |
| if (class_array_class == nullptr) { |
| return nullptr; |
| } |
| mirror::Object* obj = |
| GetAnnotationValue(data, annotation_item, "value", class_array_class, |
| DexFile::kDexAnnotationArray); |
| if (obj == nullptr) { |
| return nullptr; |
| } |
| return obj->AsObjectArray<mirror::Class>(); |
| } |
| |
| mirror::Class* GetDeclaringClass(Handle<mirror::Class> klass) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(data.GetDexFile(), annotation_set, "Ldalvik/annotation/EnclosingClass;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| mirror::Object* obj = GetAnnotationValue(data, annotation_item, "value", |
| ScopedNullHandle<mirror::Class>(), |
| DexFile::kDexAnnotationType); |
| if (obj == nullptr) { |
| return nullptr; |
| } |
| return obj->AsClass(); |
| } |
| |
| mirror::Class* GetEnclosingClass(Handle<mirror::Class> klass) { |
| mirror::Class* declaring_class = GetDeclaringClass(klass); |
| if (declaring_class != nullptr) { |
| return declaring_class; |
| } |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(data.GetDexFile(), |
| annotation_set, |
| "Ldalvik/annotation/EnclosingMethod;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| const uint8_t* annotation = |
| SearchEncodedAnnotation(data.GetDexFile(), annotation_item->annotation_, "value"); |
| if (annotation == nullptr) { |
| return nullptr; |
| } |
| DexFile::AnnotationValue annotation_value; |
| if (!ProcessAnnotationValue<false>(data, |
| &annotation, |
| &annotation_value, |
| ScopedNullHandle<mirror::Class>(), |
| DexFile::kAllRaw)) { |
| return nullptr; |
| } |
| if (annotation_value.type_ != DexFile::kDexAnnotationMethod) { |
| return nullptr; |
| } |
| StackHandleScope<2> hs(Thread::Current()); |
| ArtMethod* method = Runtime::Current()->GetClassLinker()->ResolveMethodWithoutInvokeType( |
| data.GetDexFile(), |
| annotation_value.value_.GetI(), |
| hs.NewHandle(data.GetDexCache()), |
| hs.NewHandle(data.GetClassLoader())); |
| if (method == nullptr) { |
| return nullptr; |
| } |
| return method->GetDeclaringClass(); |
| } |
| |
| mirror::Object* GetEnclosingMethod(Handle<mirror::Class> klass) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(data.GetDexFile(), |
| annotation_set, |
| "Ldalvik/annotation/EnclosingMethod;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| return GetAnnotationValue(data, annotation_item, "value", ScopedNullHandle<mirror::Class>(), |
| DexFile::kDexAnnotationMethod); |
| } |
| |
| bool GetInnerClass(Handle<mirror::Class> klass, mirror::String** name) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return false; |
| } |
| const DexFile::AnnotationItem* annotation_item = SearchAnnotationSet( |
| data.GetDexFile(), |
| annotation_set, |
| "Ldalvik/annotation/InnerClass;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return false; |
| } |
| const uint8_t* annotation = |
| SearchEncodedAnnotation(data.GetDexFile(), annotation_item->annotation_, "name"); |
| if (annotation == nullptr) { |
| return false; |
| } |
| DexFile::AnnotationValue annotation_value; |
| if (!ProcessAnnotationValue<false>(data, |
| &annotation, |
| &annotation_value, |
| ScopedNullHandle<mirror::Class>(), |
| DexFile::kAllObjects)) { |
| return false; |
| } |
| if (annotation_value.type_ != DexFile::kDexAnnotationNull && |
| annotation_value.type_ != DexFile::kDexAnnotationString) { |
| return false; |
| } |
| *name = down_cast<mirror::String*>(annotation_value.value_.GetL()); |
| return true; |
| } |
| |
| bool GetInnerClassFlags(Handle<mirror::Class> klass, uint32_t* flags) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return false; |
| } |
| const DexFile::AnnotationItem* annotation_item = |
| SearchAnnotationSet(data.GetDexFile(), annotation_set, "Ldalvik/annotation/InnerClass;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return false; |
| } |
| const uint8_t* annotation = |
| SearchEncodedAnnotation(data.GetDexFile(), annotation_item->annotation_, "accessFlags"); |
| if (annotation == nullptr) { |
| return false; |
| } |
| DexFile::AnnotationValue annotation_value; |
| if (!ProcessAnnotationValue<false>(data, |
| &annotation, |
| &annotation_value, |
| ScopedNullHandle<mirror::Class>(), |
| DexFile::kAllRaw)) { |
| return false; |
| } |
| if (annotation_value.type_ != DexFile::kDexAnnotationInt) { |
| return false; |
| } |
| *flags = annotation_value.value_.GetI(); |
| return true; |
| } |
| |
| mirror::ObjectArray<mirror::String>* GetSignatureAnnotationForClass(Handle<mirror::Class> klass) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| return GetSignatureValue(data, annotation_set); |
| } |
| |
| const char* GetSourceDebugExtension(Handle<mirror::Class> klass) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return nullptr; |
| } |
| const DexFile::AnnotationItem* annotation_item = SearchAnnotationSet( |
| data.GetDexFile(), |
| annotation_set, |
| "Ldalvik/annotation/SourceDebugExtension;", |
| DexFile::kDexVisibilitySystem); |
| if (annotation_item == nullptr) { |
| return nullptr; |
| } |
| const uint8_t* annotation = |
| SearchEncodedAnnotation(data.GetDexFile(), annotation_item->annotation_, "value"); |
| if (annotation == nullptr) { |
| return nullptr; |
| } |
| DexFile::AnnotationValue annotation_value; |
| if (!ProcessAnnotationValue<false>(data, |
| &annotation, |
| &annotation_value, |
| ScopedNullHandle<mirror::Class>(), |
| DexFile::kAllRaw)) { |
| return nullptr; |
| } |
| if (annotation_value.type_ != DexFile::kDexAnnotationString) { |
| return nullptr; |
| } |
| dex::StringIndex index(static_cast<uint32_t>(annotation_value.value_.GetI())); |
| return data.GetDexFile().StringDataByIdx(index); |
| } |
| |
| bool IsClassAnnotationPresent(Handle<mirror::Class> klass, Handle<mirror::Class> annotation_class) { |
| ClassData data(klass); |
| const DexFile::AnnotationSetItem* annotation_set = FindAnnotationSetForClass(data); |
| if (annotation_set == nullptr) { |
| return false; |
| } |
| const DexFile::AnnotationItem* annotation_item = GetAnnotationItemFromAnnotationSet( |
| data, annotation_set, DexFile::kDexVisibilityRuntime, annotation_class); |
| return annotation_item != nullptr; |
| } |
| |
| int32_t GetLineNumFromPC(const DexFile* dex_file, ArtMethod* method, uint32_t rel_pc) { |
| // For native method, lineno should be -2 to indicate it is native. Note that |
| // "line number == -2" is how libcore tells from StackTraceElement. |
| if (method->GetCodeItemOffset() == 0) { |
| return -2; |
| } |
| |
| const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); |
| DCHECK(code_item != nullptr) << method->PrettyMethod() << " " << dex_file->GetLocation(); |
| |
| // A method with no line number info should return -1 |
| DexFile::LineNumFromPcContext context(rel_pc, -1); |
| dex_file->DecodeDebugPositionInfo(code_item, DexFile::LineNumForPcCb, &context); |
| return context.line_num_; |
| } |
| |
| template<bool kTransactionActive> |
| void RuntimeEncodedStaticFieldValueIterator::ReadValueToField(ArtField* field) const { |
| DCHECK(dex_cache_ != nullptr); |
| DCHECK(class_loader_ != nullptr); |
| switch (type_) { |
| case kBoolean: field->SetBoolean<kTransactionActive>(field->GetDeclaringClass(), jval_.z); |
| break; |
| case kByte: field->SetByte<kTransactionActive>(field->GetDeclaringClass(), jval_.b); break; |
| case kShort: field->SetShort<kTransactionActive>(field->GetDeclaringClass(), jval_.s); break; |
| case kChar: field->SetChar<kTransactionActive>(field->GetDeclaringClass(), jval_.c); break; |
| case kInt: field->SetInt<kTransactionActive>(field->GetDeclaringClass(), jval_.i); break; |
| case kLong: field->SetLong<kTransactionActive>(field->GetDeclaringClass(), jval_.j); break; |
| case kFloat: field->SetFloat<kTransactionActive>(field->GetDeclaringClass(), jval_.f); break; |
| case kDouble: field->SetDouble<kTransactionActive>(field->GetDeclaringClass(), jval_.d); break; |
| case kNull: field->SetObject<kTransactionActive>(field->GetDeclaringClass(), nullptr); break; |
| case kString: { |
| mirror::String* resolved = linker_->ResolveString(dex_file_, |
| dex::StringIndex(jval_.i), |
| *dex_cache_); |
| field->SetObject<kTransactionActive>(field->GetDeclaringClass(), resolved); |
| break; |
| } |
| case kType: { |
| mirror::Class* resolved = linker_->ResolveType(dex_file_, |
| dex::TypeIndex(jval_.i), |
| *dex_cache_, |
| *class_loader_); |
| field->SetObject<kTransactionActive>(field->GetDeclaringClass(), resolved); |
| break; |
| } |
| default: UNIMPLEMENTED(FATAL) << ": type " << type_; |
| } |
| } |
| template |
| void RuntimeEncodedStaticFieldValueIterator::ReadValueToField<true>(ArtField* field) const; |
| template |
| void RuntimeEncodedStaticFieldValueIterator::ReadValueToField<false>(ArtField* field) const; |
| |
| } // namespace annotations |
| |
| } // namespace art |
