| // Copyright 2011 Google Inc. All Rights Reserved. |
| |
| #include "class_linker.h" |
| |
| #include <string> |
| |
| #include "UniquePtr.h" |
| #include "common_test.h" |
| #include "dex_cache.h" |
| #include "dex_file.h" |
| #include "heap.h" |
| #include "runtime_support.h" |
| |
| namespace art { |
| |
| class ClassLinkerTest : public CommonTest { |
| protected: |
| void AssertNonExistentClass(const std::string& descriptor) { |
| EXPECT_TRUE(class_linker_->FindSystemClass(descriptor) == NULL); |
| Thread* self = Thread::Current(); |
| EXPECT_TRUE(self->IsExceptionPending()); |
| Object* exception = self->GetException(); |
| self->ClearException(); |
| Class* exception_class = class_linker_->FindSystemClass("Ljava/lang/NoClassDefFoundError;"); |
| EXPECT_TRUE(exception->InstanceOf(exception_class)); |
| } |
| |
| void AssertPrimitiveClass(const std::string& descriptor) { |
| AssertPrimitiveClass(descriptor, class_linker_->FindSystemClass(descriptor)); |
| } |
| |
| void AssertPrimitiveClass(const std::string& descriptor, const Class* primitive) { |
| ASSERT_TRUE(primitive != NULL); |
| ASSERT_TRUE(primitive->GetClass() != NULL); |
| ASSERT_EQ(primitive->GetClass(), primitive->GetClass()->GetClass()); |
| EXPECT_TRUE(primitive->GetClass()->GetSuperClass() != NULL); |
| ASSERT_TRUE(primitive->GetDescriptor()->Equals(descriptor)); |
| EXPECT_TRUE(primitive->GetSuperClass() == NULL); |
| EXPECT_FALSE(primitive->HasSuperClass()); |
| EXPECT_TRUE(primitive->GetClassLoader() == NULL); |
| EXPECT_EQ(Class::kStatusInitialized, primitive->GetStatus()); |
| EXPECT_FALSE(primitive->IsErroneous()); |
| EXPECT_TRUE(primitive->IsLoaded()); |
| EXPECT_TRUE(primitive->IsResolved()); |
| EXPECT_TRUE(primitive->IsVerified()); |
| EXPECT_TRUE(primitive->IsInitialized()); |
| EXPECT_FALSE(primitive->IsArrayInstance()); |
| EXPECT_FALSE(primitive->IsArrayClass()); |
| EXPECT_TRUE(primitive->GetComponentType() == NULL); |
| EXPECT_FALSE(primitive->IsInterface()); |
| EXPECT_TRUE(primitive->IsPublic()); |
| EXPECT_TRUE(primitive->IsFinal()); |
| EXPECT_TRUE(primitive->IsPrimitive()); |
| EXPECT_FALSE(primitive->IsSynthetic()); |
| EXPECT_EQ(0U, primitive->NumDirectMethods()); |
| EXPECT_EQ(0U, primitive->NumVirtualMethods()); |
| EXPECT_EQ(0U, primitive->NumInstanceFields()); |
| EXPECT_EQ(0U, primitive->NumStaticFields()); |
| EXPECT_EQ(0U, primitive->NumInterfaces()); |
| EXPECT_TRUE(primitive->GetVTable() == NULL); |
| EXPECT_EQ(0, primitive->GetIfTableCount()); |
| EXPECT_TRUE(primitive->GetIfTable() == NULL); |
| } |
| |
| void AssertArrayClass(const std::string& array_descriptor, |
| const std::string& component_type, |
| const ClassLoader* class_loader) { |
| Class* array = class_linker_->FindClass(array_descriptor, class_loader); |
| EXPECT_TRUE(array->GetComponentType()->GetDescriptor()->Equals(component_type)); |
| EXPECT_EQ(class_loader, array->GetClassLoader()); |
| AssertArrayClass(array_descriptor, array); |
| } |
| |
| void AssertArrayClass(const std::string& array_descriptor, Class* array) { |
| ASSERT_TRUE(array != NULL); |
| ASSERT_TRUE(array->GetClass() != NULL); |
| ASSERT_EQ(array->GetClass(), array->GetClass()->GetClass()); |
| EXPECT_TRUE(array->GetClass()->GetSuperClass() != NULL); |
| ASSERT_TRUE(array->GetDescriptor()->Equals(array_descriptor)); |
| EXPECT_TRUE(array->GetSuperClass() != NULL); |
| EXPECT_EQ(class_linker_->FindSystemClass("Ljava/lang/Object;"), array->GetSuperClass()); |
| EXPECT_TRUE(array->HasSuperClass()); |
| ASSERT_TRUE(array->GetComponentType() != NULL); |
| ASSERT_TRUE(array->GetComponentType()->GetDescriptor() != NULL); |
| EXPECT_EQ(Class::kStatusInitialized, array->GetStatus()); |
| EXPECT_FALSE(array->IsErroneous()); |
| EXPECT_TRUE(array->IsLoaded()); |
| EXPECT_TRUE(array->IsResolved()); |
| EXPECT_TRUE(array->IsVerified()); |
| EXPECT_TRUE(array->IsInitialized()); |
| EXPECT_FALSE(array->IsArrayInstance()); |
| EXPECT_TRUE(array->IsArrayClass()); |
| EXPECT_FALSE(array->IsInterface()); |
| EXPECT_EQ(array->GetComponentType()->IsPublic(), array->IsPublic()); |
| EXPECT_TRUE(array->IsFinal()); |
| EXPECT_FALSE(array->IsPrimitive()); |
| EXPECT_FALSE(array->IsSynthetic()); |
| EXPECT_EQ(0U, array->NumDirectMethods()); |
| EXPECT_EQ(0U, array->NumVirtualMethods()); |
| EXPECT_EQ(0U, array->NumInstanceFields()); |
| EXPECT_EQ(0U, array->NumStaticFields()); |
| EXPECT_EQ(2U, array->NumInterfaces()); |
| EXPECT_TRUE(array->GetVTable() != NULL); |
| EXPECT_EQ(2, array->GetIfTableCount()); |
| ObjectArray<InterfaceEntry>* iftable = array->GetIfTable(); |
| ASSERT_TRUE(iftable != NULL); |
| EXPECT_TRUE(iftable->Get(0)->GetInterface()->GetDescriptor()->Equals("Ljava/lang/Cloneable;")); |
| EXPECT_TRUE(iftable->Get(1)->GetInterface()->GetDescriptor()->Equals("Ljava/io/Serializable;")); |
| } |
| |
| void AssertMethod(Class* klass, Method* method) { |
| EXPECT_TRUE(method != NULL); |
| EXPECT_TRUE(method->GetClass() != NULL); |
| EXPECT_TRUE(method->GetName() != NULL); |
| EXPECT_TRUE(method->GetSignature() != NULL); |
| |
| EXPECT_TRUE(method->GetDexCacheStrings() != NULL); |
| EXPECT_TRUE(method->GetDexCacheResolvedTypes() != NULL); |
| EXPECT_TRUE(method->GetDexCacheResolvedMethods() != NULL); |
| EXPECT_TRUE(method->GetDexCacheResolvedFields() != NULL); |
| EXPECT_TRUE(method->GetDexCacheCodeAndDirectMethods() != NULL); |
| EXPECT_TRUE(method->GetDexCacheInitializedStaticStorage() != NULL); |
| EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetStrings(), |
| method->GetDexCacheStrings()); |
| EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetResolvedTypes(), |
| method->GetDexCacheResolvedTypes()); |
| EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetResolvedMethods(), |
| method->GetDexCacheResolvedMethods()); |
| EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetResolvedFields(), |
| method->GetDexCacheResolvedFields()); |
| EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetCodeAndDirectMethods(), |
| method->GetDexCacheCodeAndDirectMethods()); |
| EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetInitializedStaticStorage(), |
| method->GetDexCacheInitializedStaticStorage()); |
| } |
| |
| void AssertField(Class* klass, Field* field) { |
| EXPECT_TRUE(field != NULL); |
| EXPECT_TRUE(field->GetClass() != NULL); |
| EXPECT_EQ(klass, field->GetDeclaringClass()); |
| EXPECT_TRUE(field->GetName() != NULL); |
| EXPECT_TRUE(field->GetType() != NULL); |
| } |
| |
| void AssertClass(const std::string& descriptor, Class* klass) { |
| EXPECT_TRUE(klass->GetDescriptor()->Equals(descriptor)); |
| SirtRef<String> Object_descriptor(String::AllocFromModifiedUtf8("Ljava/lang/Object;")); |
| if (klass->GetDescriptor()->Equals(Object_descriptor.get())) { |
| EXPECT_FALSE(klass->HasSuperClass()); |
| } else { |
| EXPECT_TRUE(klass->HasSuperClass()); |
| EXPECT_TRUE(klass->GetSuperClass() != NULL); |
| } |
| EXPECT_TRUE(klass->GetClass() != NULL); |
| EXPECT_EQ(klass->GetClass(), klass->GetClass()->GetClass()); |
| EXPECT_TRUE(klass->GetDexCache() != NULL); |
| EXPECT_TRUE(klass->IsLoaded()); |
| EXPECT_TRUE(klass->IsResolved()); |
| EXPECT_FALSE(klass->IsErroneous()); |
| EXPECT_FALSE(klass->IsArrayClass()); |
| EXPECT_TRUE(klass->GetComponentType() == NULL); |
| EXPECT_TRUE(klass->IsInSamePackage(klass)); |
| EXPECT_TRUE(Class::IsInSamePackage(klass->GetDescriptor(), klass->GetDescriptor())); |
| if (klass->IsInterface()) { |
| EXPECT_TRUE(klass->IsAbstract()); |
| if (klass->NumDirectMethods() == 1) { |
| EXPECT_TRUE(klass->GetDirectMethod(0)->IsClassInitializer()); |
| EXPECT_TRUE(klass->GetDirectMethod(0)->IsDirect()); |
| } else { |
| EXPECT_EQ(0U, klass->NumDirectMethods()); |
| } |
| } else { |
| if (!klass->IsSynthetic()) { |
| EXPECT_NE(0U, klass->NumDirectMethods()); |
| } |
| } |
| EXPECT_EQ(klass->IsInterface(), klass->GetVTable() == NULL); |
| for (int i = 0; i < klass->GetIfTableCount(); i++) { |
| const InterfaceEntry* interface_entry = klass->GetIfTable()->Get(i); |
| ASSERT_TRUE(interface_entry != NULL); |
| Class* interface = interface_entry->GetInterface(); |
| ASSERT_TRUE(interface != NULL); |
| EXPECT_TRUE(interface_entry->GetInterface() != NULL); |
| if (klass->IsInterface()) { |
| EXPECT_EQ(0U, interface_entry->GetMethodArrayCount()); |
| } else { |
| CHECK_EQ(interface->NumVirtualMethods(), interface_entry->GetMethodArrayCount()); |
| EXPECT_EQ(interface->NumVirtualMethods(), interface_entry->GetMethodArrayCount()); |
| } |
| } |
| if (klass->IsAbstract()) { |
| EXPECT_FALSE(klass->IsFinal()); |
| } else { |
| EXPECT_FALSE(klass->IsAnnotation()); |
| } |
| if (klass->IsFinal()) { |
| EXPECT_FALSE(klass->IsAbstract()); |
| EXPECT_FALSE(klass->IsAnnotation()); |
| } |
| if (klass->IsAnnotation()) { |
| EXPECT_FALSE(klass->IsFinal()); |
| EXPECT_TRUE(klass->IsAbstract()); |
| } |
| |
| EXPECT_FALSE(klass->IsPrimitive()); |
| EXPECT_TRUE(klass->CanAccess(klass)); |
| |
| for (size_t i = 0; i < klass->NumDirectMethods(); i++) { |
| Method* method = klass->GetDirectMethod(i); |
| AssertMethod(klass, method); |
| EXPECT_TRUE(method->IsDirect()); |
| EXPECT_EQ(klass, method->GetDeclaringClass()); |
| } |
| |
| for (size_t i = 0; i < klass->NumVirtualMethods(); i++) { |
| Method* method = klass->GetVirtualMethod(i); |
| AssertMethod(klass, method); |
| EXPECT_FALSE(method->IsDirect()); |
| EXPECT_TRUE(method->GetDeclaringClass()->IsAssignableFrom(klass)); |
| } |
| |
| for (size_t i = 0; i < klass->NumInstanceFields(); i++) { |
| Field* field = klass->GetInstanceField(i); |
| AssertField(klass, field); |
| EXPECT_FALSE(field->IsStatic()); |
| } |
| |
| for (size_t i = 0; i < klass->NumStaticFields(); i++) { |
| Field* field = klass->GetStaticField(i); |
| AssertField(klass, field); |
| EXPECT_TRUE(field->IsStatic()); |
| } |
| |
| // Confirm that all instances fields are packed together at the start |
| EXPECT_GE(klass->NumInstanceFields(), klass->NumReferenceInstanceFields()); |
| for (size_t i = 0; i < klass->NumReferenceInstanceFields(); i++) { |
| Field* field = klass->GetInstanceField(i); |
| ASSERT_TRUE(!field->IsPrimitiveType()); |
| Class* field_type = field->GetType(); |
| ASSERT_TRUE(field_type != NULL); |
| ASSERT_TRUE(!field_type->IsPrimitive()); |
| } |
| for (size_t i = klass->NumReferenceInstanceFields(); i < klass->NumInstanceFields(); i++) { |
| Field* field = klass->GetInstanceField(i); |
| Class* field_type = field->GetType(); |
| ASSERT_TRUE(field_type != NULL); |
| if (!field->IsPrimitiveType() || !field_type->IsPrimitive()) { |
| // While Reference.referent is not primitive, the ClassLinker |
| // treats it as such so that the garbage collector won't scan it. |
| EXPECT_EQ(PrettyField(field), "java.lang.Object java.lang.ref.Reference.referent"); |
| } |
| } |
| |
| size_t total_num_reference_instance_fields = 0; |
| Class* k = klass; |
| while (k != NULL) { |
| total_num_reference_instance_fields += k->NumReferenceInstanceFields(); |
| k = k->GetSuperClass(); |
| } |
| EXPECT_EQ(klass->GetReferenceInstanceOffsets() == 0, |
| total_num_reference_instance_fields == 0); |
| } |
| |
| void AssertDexFileClass(ClassLoader* class_loader, const std::string& descriptor) { |
| ASSERT_TRUE(descriptor != NULL); |
| Class* klass = class_linker_->FindSystemClass(descriptor); |
| ASSERT_TRUE(klass != NULL); |
| EXPECT_TRUE(klass->GetDescriptor()->Equals(descriptor)); |
| EXPECT_EQ(class_loader, klass->GetClassLoader()); |
| if (klass->IsPrimitive()) { |
| AssertPrimitiveClass(descriptor, klass); |
| } else if (klass->IsArrayClass()) { |
| AssertArrayClass(descriptor, klass); |
| } else { |
| AssertClass(descriptor, klass); |
| } |
| } |
| |
| void AssertDexFile(const DexFile* dex, ClassLoader* class_loader) { |
| ASSERT_TRUE(dex != NULL); |
| |
| // Verify all the classes defined in this file |
| for (size_t i = 0; i < dex->NumClassDefs(); i++) { |
| const DexFile::ClassDef& class_def = dex->GetClassDef(i); |
| const char* descriptor = dex->GetClassDescriptor(class_def); |
| AssertDexFileClass(class_loader, descriptor); |
| } |
| // Verify all the types referenced by this file |
| for (size_t i = 0; i < dex->NumTypeIds(); i++) { |
| const DexFile::TypeId& type_id = dex->GetTypeId(i); |
| const char* descriptor = dex->GetTypeDescriptor(type_id); |
| AssertDexFileClass(class_loader, descriptor); |
| } |
| class_linker_->VisitRoots(TestRootVisitor, NULL); |
| } |
| |
| static void TestRootVisitor(const Object* root, void* arg) { |
| EXPECT_TRUE(root != NULL); |
| } |
| }; |
| |
| struct CheckOffset { |
| size_t cpp_offset; |
| const char* java_name; |
| CheckOffset(size_t c, const char* j) : cpp_offset(c), java_name(j) {} |
| }; |
| |
| template <typename T> |
| struct CheckOffsets { |
| CheckOffsets(bool is_static, const char* class_descriptor) |
| : is_static(is_static), class_descriptor(class_descriptor) {} |
| bool is_static; |
| std::string class_descriptor; |
| std::vector<CheckOffset> offsets; |
| |
| bool Check() { |
| Class* klass = Runtime::Current()->GetClassLinker()->FindSystemClass(class_descriptor); |
| CHECK(klass != NULL) << class_descriptor; |
| |
| bool error = false; |
| |
| if (!klass->IsClassClass() && !is_static) { |
| size_t expected_size = is_static ? klass->GetClassSize(): klass->GetObjectSize(); |
| if (sizeof(T) != expected_size) { |
| LG << "Class size mismatch:" |
| << " class=" << class_descriptor |
| << " Java=" << expected_size |
| << " C++=" << sizeof(T); |
| error = true; |
| } |
| } |
| |
| size_t num_fields = is_static ? klass->NumStaticFields() : klass->NumInstanceFields(); |
| if (offsets.size() != num_fields) { |
| LG << "Field count mismatch:" |
| << " class=" << class_descriptor |
| << " Java=" << num_fields |
| << " C++=" << offsets.size(); |
| error = true; |
| } |
| |
| for (size_t i = 0; i < offsets.size(); i++) { |
| Field* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i); |
| if (!field->GetName()->Equals(offsets[i].java_name)) { |
| error = true; |
| } |
| } |
| if (error) { |
| for (size_t i = 0; i < offsets.size(); i++) { |
| CheckOffset& offset = offsets[i]; |
| Field* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i); |
| if (!field->GetName()->Equals(offsets[i].java_name)) { |
| LG << "JAVA FIELD ORDER MISMATCH NEXT LINE:"; |
| } |
| LG << "Java field order:" |
| << " i=" << i << " class=" << class_descriptor |
| << " Java=" << field->GetName()->ToModifiedUtf8() |
| << " CheckOffsets=" << offset.java_name; |
| } |
| } |
| |
| for (size_t i = 0; i < offsets.size(); i++) { |
| CheckOffset& offset = offsets[i]; |
| Field* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i); |
| if (field->GetOffset().Uint32Value() != offset.cpp_offset) { |
| error = true; |
| } |
| } |
| if (error) { |
| for (size_t i = 0; i < offsets.size(); i++) { |
| CheckOffset& offset = offsets[i]; |
| Field* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i); |
| if (field->GetOffset().Uint32Value() != offset.cpp_offset) { |
| LG << "OFFSET MISMATCH NEXT LINE:"; |
| } |
| LG << "Offset: class=" << class_descriptor << " field=" << offset.java_name |
| << " Java=" << field->GetOffset().Uint32Value() << " C++=" << offset.cpp_offset; |
| } |
| } |
| |
| return !error; |
| }; |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(CheckOffsets); |
| }; |
| |
| // Note that ClassLinkerTest.ValidateFieldOrderOfJavaCppUnionClasses |
| // is first since if it is failing, others are unlikely to succeed. |
| |
| struct ObjectOffsets : public CheckOffsets<Object> { |
| ObjectOffsets() : CheckOffsets<Object>(false, "Ljava/lang/Object;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Object, klass_), "shadow$_klass_")); |
| |
| // alphabetical 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Object, monitor_), "shadow$_monitor_")); |
| }; |
| }; |
| |
| struct AccessibleObjectOffsets : public CheckOffsets<AccessibleObject> { |
| AccessibleObjectOffsets() |
| : CheckOffsets<AccessibleObject>(false, "Ljava/lang/reflect/AccessibleObject;") { |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(AccessibleObject, java_flag_), "flag")); |
| }; |
| }; |
| |
| struct FieldOffsets : public CheckOffsets<Field> { |
| FieldOffsets() : CheckOffsets<Field>(false, "Ljava/lang/reflect/Field;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, declaring_class_), "declaringClass")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, generic_type_), "genericType")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, name_), "name")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, type_), "type")); |
| |
| // alphabetical 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, generic_types_are_initialized_), "genericTypesAreInitialized")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, access_flags_), "shadow$_access_flags_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, offset_), "shadow$_offset_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, type_idx_), "shadow$_type_idx_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, slot_), "slot")); |
| }; |
| }; |
| |
| struct MethodOffsets : public CheckOffsets<Method> { |
| MethodOffsets() : CheckOffsets<Method>(false, "Ljava/lang/reflect/Method;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, declaring_class_), "declaringClass")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_exception_types_), "exceptionTypes")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_formal_type_parameters_), "formalTypeParameters")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_exception_types_), "genericExceptionTypes")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_parameter_types_), "genericParameterTypes")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_return_type_), "genericReturnType")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, name_), "name")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_parameter_types_), "parameterTypes")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_return_type_), "returnType")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_code_and_direct_methods_), "shadow$_dex_cache_code_and_direct_methods_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_initialized_static_storage_), "shadow$_dex_cache_initialized_static_storage_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_resolved_fields_), "shadow$_dex_cache_resolved_fields_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_resolved_methods_), "shadow$_dex_cache_resolved_methods_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_resolved_types_), "shadow$_dex_cache_resolved_types_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_strings_), "shadow$_dex_cache_strings_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, gc_map_), "shadow$_gc_map_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, shorty_), "shadow$_shorty_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, signature_), "shadow$_signature_")); |
| |
| // alphabetical 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_types_are_initialized_), "genericTypesAreInitialized")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, access_flags_), "shadow$_access_flags_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, code_), "shadow$_code_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, code_item_offset_), "shadow$_code_item_offset_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, core_spill_mask_), "shadow$_core_spill_mask_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, fp_spill_mask_), "shadow$_fp_spill_mask_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, frame_size_in_bytes_), "shadow$_frame_size_in_bytes_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, invoke_stub_), "shadow$_invoke_stub_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_return_type_idx_), "shadow$_java_return_type_idx_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, mapping_table_), "shadow$_mapping_table_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, method_index_), "shadow$_method_index_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, native_method_), "shadow$_native_method_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, num_ins_), "shadow$_num_ins_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, num_outs_), "shadow$_num_outs_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, num_registers_), "shadow$_num_registers_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, proto_idx_), "shadow$_proto_idx_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, vmap_table_), "shadow$_vmap_table_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_slot_), "slot")); |
| }; |
| }; |
| |
| struct ConstructorOffsets : public MethodOffsets { |
| ConstructorOffsets() : MethodOffsets() { |
| // We use Method* for both java.lang.reflect.Constructor and java.lang.reflect.Method. |
| class_descriptor = "Ljava/lang/reflect/Constructor;"; |
| } |
| }; |
| |
| struct ClassOffsets : public CheckOffsets<Class> { |
| ClassOffsets() : CheckOffsets<Class>(false, "Ljava/lang/Class;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, name_), "name")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, class_loader_), "shadow$_class_loader_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, component_type_), "shadow$_component_type_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, descriptor_), "shadow$_descriptor_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, dex_cache_), "shadow$_dex_cache_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, direct_methods_), "shadow$_direct_methods_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, ifields_), "shadow$_ifields_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, iftable_), "shadow$_iftable_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, interfaces_), "shadow$_interfaces_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, interfaces_type_idx_), "shadow$_interfaces_type_idx_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, sfields_), "shadow$_sfields_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, source_file_), "shadow$_source_file_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, super_class_), "shadow$_super_class_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, verify_error_class_), "shadow$_verify_error_class_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, virtual_methods_), "shadow$_virtual_methods_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, vtable_), "shadow$_vtable_")); |
| |
| // alphabetical 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, access_flags_), "shadow$_access_flags_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, annotations_offset_), "shadow$_annotations_offset_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, class_size_), "shadow$_class_size_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, clinit_thread_id_), "shadow$_clinit_thread_id_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, num_reference_instance_fields_), "shadow$_num_reference_instance_fields_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, num_reference_static_fields_), "shadow$_num_reference_static_fields_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, object_size_), "shadow$_object_size_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, primitive_type_), "shadow$_primitive_type_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, reference_instance_offsets_), "shadow$_reference_instance_offsets_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, reference_static_offsets_), "shadow$_reference_static_offsets_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, status_), "shadow$_status_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, super_class_type_idx_), "shadow$_super_class_type_idx_")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, type_idx_), "shadow$_type_idx_")); |
| }; |
| }; |
| |
| struct StringOffsets : public CheckOffsets<String> { |
| StringOffsets() : CheckOffsets<String>(false, "Ljava/lang/String;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, array_), "value")); |
| |
| // alphabetical 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, count_), "count")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, hash_code_), "hashCode")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, offset_), "offset")); |
| }; |
| }; |
| |
| struct ThrowableOffsets : public CheckOffsets<Throwable> { |
| ThrowableOffsets() : CheckOffsets<Throwable>(false, "Ljava/lang/Throwable;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, cause_), "cause")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, detail_message_), "detailMessage")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, stack_state_), "stackState")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, stack_trace_), "stackTrace")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, suppressed_exceptions_), "suppressedExceptions")); |
| }; |
| }; |
| |
| struct StackTraceElementOffsets : public CheckOffsets<StackTraceElement> { |
| StackTraceElementOffsets() : CheckOffsets<StackTraceElement>(false, "Ljava/lang/StackTraceElement;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, declaring_class_), "declaringClass")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, file_name_), "fileName")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, method_name_), "methodName")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, line_number_), "lineNumber")); |
| }; |
| }; |
| |
| struct ClassLoaderOffsets : public CheckOffsets<ClassLoader> { |
| ClassLoaderOffsets() : CheckOffsets<ClassLoader>(false, "Ljava/lang/ClassLoader;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ClassLoader, packages_), "packages")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ClassLoader, parent_), "parent")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ClassLoader, proxyCache_), "proxyCache")); |
| }; |
| }; |
| |
| struct BaseDexClassLoaderOffsets : public CheckOffsets<BaseDexClassLoader> { |
| BaseDexClassLoaderOffsets() |
| : CheckOffsets<BaseDexClassLoader>(false, "Ldalvik/system/BaseDexClassLoader;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(BaseDexClassLoader, original_path_), "originalPath")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(BaseDexClassLoader, path_list_), "pathList")); |
| }; |
| }; |
| |
| struct PathClassLoaderOffsets : public CheckOffsets<PathClassLoader> { |
| PathClassLoaderOffsets() |
| : CheckOffsets<PathClassLoader>(false, "Ldalvik/system/PathClassLoader;") {} |
| }; |
| |
| struct ProxyOffsets : public CheckOffsets<Proxy> { |
| ProxyOffsets() : CheckOffsets<Proxy>(false, "Ljava/lang/reflect/Proxy;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Proxy, h_), "h")); |
| }; |
| }; |
| |
| struct ClassClassOffsets : public CheckOffsets<ClassClass> { |
| ClassClassOffsets() : CheckOffsets<ClassClass>(true, "Ljava/lang/Class;") { |
| // padding 32-bit |
| CHECK_EQ(OFFSETOF_MEMBER(ClassClass, padding_) + 4, |
| OFFSETOF_MEMBER(ClassClass, serialVersionUID_)); |
| |
| // alphabetical 64-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ClassClass, serialVersionUID_), "serialVersionUID")); |
| }; |
| }; |
| |
| struct StringClassOffsets : public CheckOffsets<StringClass> { |
| StringClassOffsets() : CheckOffsets<StringClass>(true, "Ljava/lang/String;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, ASCII_), "ASCII")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, CASE_INSENSITIVE_ORDER_), "CASE_INSENSITIVE_ORDER")); |
| |
| // padding 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, REPLACEMENT_CHAR_), "REPLACEMENT_CHAR")); |
| |
| // alphabetical 64-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, serialVersionUID_), "serialVersionUID")); |
| }; |
| }; |
| |
| struct FieldClassOffsets : public CheckOffsets<FieldClass> { |
| FieldClassOffsets() : CheckOffsets<FieldClass>(true, "Ljava/lang/reflect/Field;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, ORDER_BY_NAME_AND_DECLARING_CLASS_), "ORDER_BY_NAME_AND_DECLARING_CLASS")); |
| |
| // alphabetical 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_BOOLEAN_), "TYPE_BOOLEAN")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_BYTE_), "TYPE_BYTE")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_CHAR_), "TYPE_CHAR")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_DOUBLE_), "TYPE_DOUBLE")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_FLOAT_), "TYPE_FLOAT")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_INTEGER_), "TYPE_INTEGER")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_LONG_), "TYPE_LONG")); |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_SHORT_), "TYPE_SHORT")); |
| }; |
| }; |
| |
| struct MethodClassOffsets : public CheckOffsets<MethodClass> { |
| MethodClassOffsets() : CheckOffsets<MethodClass>(true, "Ljava/lang/reflect/Method;") { |
| // alphabetical references |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(MethodClass, ORDER_BY_SIGNATURE_), "ORDER_BY_SIGNATURE")); |
| }; |
| }; |
| |
| struct ProxyClassOffsets : public CheckOffsets<ProxyClass> { |
| ProxyClassOffsets() : CheckOffsets<ProxyClass>(true, "Ljava/lang/reflect/Proxy;") { |
| // alphabetical 32-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ProxyClass, NextClassNameIndex_), "NextClassNameIndex")); |
| |
| // alphabetical 64-bit |
| offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ProxyClass, serialVersionUID_), "serialVersionUID")); |
| }; |
| }; |
| |
| // C++ fields must exactly match the fields in the Java classes. If this fails, |
| // reorder the fields in the C++ class. Managed class fields are ordered by |
| // ClassLinker::LinkFields. |
| TEST_F(ClassLinkerTest, ValidateFieldOrderOfJavaCppUnionClasses) { |
| EXPECT_TRUE(ObjectOffsets().Check()); |
| EXPECT_TRUE(AccessibleObjectOffsets().Check()); |
| EXPECT_TRUE(ConstructorOffsets().Check()); |
| EXPECT_TRUE(FieldOffsets().Check()); |
| EXPECT_TRUE(MethodOffsets().Check()); |
| EXPECT_TRUE(ClassOffsets().Check()); |
| EXPECT_TRUE(StringOffsets().Check()); |
| EXPECT_TRUE(ThrowableOffsets().Check()); |
| EXPECT_TRUE(StackTraceElementOffsets().Check()); |
| EXPECT_TRUE(ClassLoaderOffsets().Check()); |
| EXPECT_TRUE(BaseDexClassLoaderOffsets().Check()); |
| EXPECT_TRUE(PathClassLoaderOffsets().Check()); |
| EXPECT_TRUE(ProxyOffsets().Check()); |
| |
| EXPECT_TRUE(ClassClassOffsets().Check()); |
| EXPECT_TRUE(StringClassOffsets().Check()); |
| EXPECT_TRUE(FieldClassOffsets().Check()); |
| EXPECT_TRUE(MethodClassOffsets().Check()); |
| EXPECT_TRUE(ProxyClassOffsets().Check()); |
| } |
| |
| TEST_F(ClassLinkerTest, FindClassNonexistent) { |
| AssertNonExistentClass("NoSuchClass;"); |
| AssertNonExistentClass("LNoSuchClass;"); |
| } |
| |
| TEST_F(ClassLinkerTest, FindClassNested) { |
| SirtRef<ClassLoader> class_loader(LoadDex("Nested")); |
| |
| Class* outer = class_linker_->FindClass("LNested;", class_loader.get()); |
| ASSERT_TRUE(outer != NULL); |
| EXPECT_EQ(0U, outer->NumVirtualMethods()); |
| EXPECT_EQ(1U, outer->NumDirectMethods()); |
| |
| Class* inner = class_linker_->FindClass("LNested$Inner;", class_loader.get()); |
| ASSERT_TRUE(inner != NULL); |
| EXPECT_EQ(0U, inner->NumVirtualMethods()); |
| EXPECT_EQ(1U, inner->NumDirectMethods()); |
| } |
| |
| TEST_F(ClassLinkerTest, FindClass_Primitives) { |
| const std::string expected("BCDFIJSZV"); |
| for (int ch = 0; ch < 255; ch++) { |
| char* s = reinterpret_cast<char*>(&ch); |
| const std::string descriptor(s, 1); |
| if (expected.find(ch) == std::string::npos) { |
| AssertNonExistentClass(descriptor); |
| } else { |
| AssertPrimitiveClass(descriptor); |
| } |
| } |
| } |
| |
| TEST_F(ClassLinkerTest, FindClass) { |
| Class* JavaLangObject = class_linker_->FindSystemClass("Ljava/lang/Object;"); |
| ASSERT_TRUE(JavaLangObject != NULL); |
| ASSERT_TRUE(JavaLangObject->GetClass() != NULL); |
| ASSERT_EQ(JavaLangObject->GetClass(), JavaLangObject->GetClass()->GetClass()); |
| EXPECT_EQ(JavaLangObject, JavaLangObject->GetClass()->GetSuperClass()); |
| ASSERT_TRUE(JavaLangObject->GetDescriptor()->Equals("Ljava/lang/Object;")); |
| EXPECT_TRUE(JavaLangObject->GetSuperClass() == NULL); |
| EXPECT_FALSE(JavaLangObject->HasSuperClass()); |
| EXPECT_TRUE(JavaLangObject->GetClassLoader() == NULL); |
| EXPECT_EQ(Class::kStatusResolved, JavaLangObject->GetStatus()); |
| EXPECT_FALSE(JavaLangObject->IsErroneous()); |
| EXPECT_TRUE(JavaLangObject->IsLoaded()); |
| EXPECT_TRUE(JavaLangObject->IsResolved()); |
| EXPECT_FALSE(JavaLangObject->IsVerified()); |
| EXPECT_FALSE(JavaLangObject->IsInitialized()); |
| EXPECT_FALSE(JavaLangObject->IsArrayInstance()); |
| EXPECT_FALSE(JavaLangObject->IsArrayClass()); |
| EXPECT_TRUE(JavaLangObject->GetComponentType() == NULL); |
| EXPECT_FALSE(JavaLangObject->IsInterface()); |
| EXPECT_TRUE(JavaLangObject->IsPublic()); |
| EXPECT_FALSE(JavaLangObject->IsFinal()); |
| EXPECT_FALSE(JavaLangObject->IsPrimitive()); |
| EXPECT_FALSE(JavaLangObject->IsSynthetic()); |
| EXPECT_EQ(2U, JavaLangObject->NumDirectMethods()); |
| EXPECT_EQ(11U, JavaLangObject->NumVirtualMethods()); |
| EXPECT_EQ(2U, JavaLangObject->NumInstanceFields()); |
| EXPECT_TRUE(JavaLangObject->GetInstanceField(0)->GetName()->Equals("shadow$_klass_")); |
| EXPECT_TRUE(JavaLangObject->GetInstanceField(1)->GetName()->Equals("shadow$_monitor_")); |
| |
| EXPECT_EQ(0U, JavaLangObject->NumStaticFields()); |
| EXPECT_EQ(0U, JavaLangObject->NumInterfaces()); |
| |
| SirtRef<ClassLoader> class_loader(LoadDex("MyClass")); |
| AssertNonExistentClass("LMyClass;"); |
| Class* MyClass = class_linker_->FindClass("LMyClass;", class_loader.get()); |
| ASSERT_TRUE(MyClass != NULL); |
| ASSERT_TRUE(MyClass->GetClass() != NULL); |
| ASSERT_EQ(MyClass->GetClass(), MyClass->GetClass()->GetClass()); |
| EXPECT_EQ(JavaLangObject, MyClass->GetClass()->GetSuperClass()); |
| ASSERT_TRUE(MyClass->GetDescriptor()->Equals("LMyClass;")); |
| EXPECT_TRUE(MyClass->GetSuperClass() == JavaLangObject); |
| EXPECT_TRUE(MyClass->HasSuperClass()); |
| EXPECT_EQ(class_loader.get(), MyClass->GetClassLoader()); |
| EXPECT_EQ(Class::kStatusResolved, MyClass->GetStatus()); |
| EXPECT_FALSE(MyClass->IsErroneous()); |
| EXPECT_TRUE(MyClass->IsLoaded()); |
| EXPECT_TRUE(MyClass->IsResolved()); |
| EXPECT_FALSE(MyClass->IsVerified()); |
| EXPECT_FALSE(MyClass->IsInitialized()); |
| EXPECT_FALSE(MyClass->IsArrayInstance()); |
| EXPECT_FALSE(MyClass->IsArrayClass()); |
| EXPECT_TRUE(MyClass->GetComponentType() == NULL); |
| EXPECT_FALSE(MyClass->IsInterface()); |
| EXPECT_FALSE(MyClass->IsPublic()); |
| EXPECT_FALSE(MyClass->IsFinal()); |
| EXPECT_FALSE(MyClass->IsPrimitive()); |
| EXPECT_FALSE(MyClass->IsSynthetic()); |
| EXPECT_EQ(1U, MyClass->NumDirectMethods()); |
| EXPECT_EQ(0U, MyClass->NumVirtualMethods()); |
| EXPECT_EQ(0U, MyClass->NumInstanceFields()); |
| EXPECT_EQ(0U, MyClass->NumStaticFields()); |
| EXPECT_EQ(0U, MyClass->NumInterfaces()); |
| |
| EXPECT_EQ(JavaLangObject->GetClass()->GetClass(), MyClass->GetClass()->GetClass()); |
| |
| // created by class_linker |
| AssertArrayClass("[C", "C", NULL); |
| AssertArrayClass("[Ljava/lang/Object;", "Ljava/lang/Object;", NULL); |
| // synthesized on the fly |
| AssertArrayClass("[[C", "[C", NULL); |
| AssertArrayClass("[[[LMyClass;", "[[LMyClass;", class_loader.get()); |
| // or not available at all |
| AssertNonExistentClass("[[[[LNonExistentClass;"); |
| } |
| |
| TEST_F(ClassLinkerTest, LibCore) { |
| AssertDexFile(java_lang_dex_file_.get(), NULL); |
| } |
| |
| // The first reference array element must be a multiple of 8 bytes from the |
| // start of the object |
| TEST_F(ClassLinkerTest, ValidateObjectArrayElementsOffset) { |
| Class* array_class = class_linker_->FindSystemClass("[Ljava/lang/String;"); |
| ObjectArray<String>* array = ObjectArray<String>::Alloc(array_class, 0); |
| uint32_t array_offset = reinterpret_cast<uint32_t>(array); |
| uint32_t data_offset = |
| array_offset + ObjectArray<String>::DataOffset().Uint32Value(); |
| EXPECT_EQ(16U, data_offset - array_offset); |
| } |
| |
| TEST_F(ClassLinkerTest, ValidatePrimitiveArrayElementsOffset) { |
| SirtRef<LongArray> array(LongArray::Alloc(0)); |
| EXPECT_EQ(class_linker_->FindSystemClass("[J"), array->GetClass()); |
| uint32_t array_offset = reinterpret_cast<uint32_t>(array.get()); |
| uint32_t data_offset = reinterpret_cast<uint32_t>(array->GetData()); |
| EXPECT_EQ(16U, data_offset - array_offset); |
| } |
| |
| TEST_F(ClassLinkerTest, ValidateBoxedTypes) { |
| // Validate that the "value" field is always the 0th field in each of java.lang's box classes. |
| // This lets UnboxPrimitive avoid searching for the field by name at runtime. |
| Class* c; |
| c = class_linker_->FindClass("Ljava/lang/Boolean;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| c = class_linker_->FindClass("Ljava/lang/Byte;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| c = class_linker_->FindClass("Ljava/lang/Character;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| c = class_linker_->FindClass("Ljava/lang/Double;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| c = class_linker_->FindClass("Ljava/lang/Float;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| c = class_linker_->FindClass("Ljava/lang/Integer;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| c = class_linker_->FindClass("Ljava/lang/Long;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| c = class_linker_->FindClass("Ljava/lang/Short;", NULL); |
| EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); |
| } |
| |
| TEST_F(ClassLinkerTest, TwoClassLoadersOneClass) { |
| SirtRef<ClassLoader> class_loader_1(LoadDex("MyClass")); |
| SirtRef<ClassLoader> class_loader_2(LoadDex("MyClass")); |
| Class* MyClass_1 = class_linker_->FindClass("LMyClass;", class_loader_1.get()); |
| Class* MyClass_2 = class_linker_->FindClass("LMyClass;", class_loader_2.get()); |
| EXPECT_TRUE(MyClass_1 != NULL); |
| EXPECT_TRUE(MyClass_2 != NULL); |
| EXPECT_NE(MyClass_1, MyClass_2); |
| } |
| |
| TEST_F(ClassLinkerTest, StaticFields) { |
| SirtRef<ClassLoader> class_loader(LoadDex("Statics")); |
| Class* statics = class_linker_->FindClass("LStatics;", class_loader.get()); |
| class_linker_->EnsureInitialized(statics, true); |
| |
| // Static final primitives that are initialized by a compile-time constant |
| // expression resolve to a copy of a constant value from the constant pool. |
| // So <clinit> should be null. |
| Method* clinit = statics->FindDirectMethod("<clinit>", "()V"); |
| EXPECT_TRUE(clinit == NULL); |
| |
| EXPECT_EQ(9U, statics->NumStaticFields()); |
| |
| Field* s0 = statics->FindStaticField("s0", "Z"); |
| EXPECT_TRUE(s0->GetClass()->GetDescriptor()->Equals("Ljava/lang/reflect/Field;")); |
| EXPECT_TRUE(s0->GetPrimitiveType() == Primitive::kPrimBoolean); |
| EXPECT_EQ(true, s0->GetBoolean(NULL)); |
| s0->SetBoolean(NULL, false); |
| |
| Field* s1 = statics->FindStaticField("s1", "B"); |
| EXPECT_TRUE(s1->GetPrimitiveType() == Primitive::kPrimByte); |
| EXPECT_EQ(5, s1->GetByte(NULL)); |
| s1->SetByte(NULL, 6); |
| |
| Field* s2 = statics->FindStaticField("s2", "C"); |
| EXPECT_TRUE(s2->GetPrimitiveType() == Primitive::kPrimChar); |
| EXPECT_EQ('a', s2->GetChar(NULL)); |
| s2->SetChar(NULL, 'b'); |
| |
| Field* s3 = statics->FindStaticField("s3", "S"); |
| EXPECT_TRUE(s3->GetPrimitiveType() == Primitive::kPrimShort); |
| EXPECT_EQ(-536, s3->GetShort(NULL)); |
| s3->SetShort(NULL, -535); |
| |
| Field* s4 = statics->FindStaticField("s4", "I"); |
| EXPECT_TRUE(s4->GetPrimitiveType() == Primitive::kPrimInt); |
| EXPECT_EQ(2000000000, s4->GetInt(NULL)); |
| s4->SetInt(NULL, 2000000001); |
| |
| Field* s5 = statics->FindStaticField("s5", "J"); |
| EXPECT_TRUE(s5->GetPrimitiveType() == Primitive::kPrimLong); |
| EXPECT_EQ(0x1234567890abcdefLL, s5->GetLong(NULL)); |
| s5->SetLong(NULL, 0x34567890abcdef12LL); |
| |
| Field* s6 = statics->FindStaticField("s6", "F"); |
| EXPECT_TRUE(s6->GetPrimitiveType() == Primitive::kPrimFloat); |
| EXPECT_EQ(0.5, s6->GetFloat(NULL)); |
| s6->SetFloat(NULL, 0.75); |
| |
| Field* s7 = statics->FindStaticField("s7", "D"); |
| EXPECT_TRUE(s7->GetPrimitiveType() == Primitive::kPrimDouble); |
| EXPECT_EQ(16777217, s7->GetDouble(NULL)); |
| s7->SetDouble(NULL, 16777219); |
| |
| Field* s8 = statics->FindStaticField("s8", "Ljava/lang/String;"); |
| EXPECT_TRUE(s8->GetPrimitiveType() == Primitive::kPrimNot); |
| EXPECT_TRUE(s8->GetObject(NULL)->AsString()->Equals("android")); |
| s8->SetObject(NULL, String::AllocFromModifiedUtf8("robot")); |
| |
| EXPECT_EQ(false, s0->GetBoolean(NULL)); |
| EXPECT_EQ(6, s1->GetByte(NULL)); |
| EXPECT_EQ('b', s2->GetChar(NULL)); |
| EXPECT_EQ(-535, s3->GetShort(NULL)); |
| EXPECT_EQ(2000000001, s4->GetInt(NULL)); |
| EXPECT_EQ(0x34567890abcdef12LL, s5->GetLong(NULL)); |
| EXPECT_EQ(0.75, s6->GetFloat(NULL)); |
| EXPECT_EQ(16777219, s7->GetDouble(NULL)); |
| EXPECT_TRUE(s8->GetObject(NULL)->AsString()->Equals("robot")); |
| } |
| |
| TEST_F(ClassLinkerTest, Interfaces) { |
| SirtRef<ClassLoader> class_loader(LoadDex("Interfaces")); |
| Class* I = class_linker_->FindClass("LInterfaces$I;", class_loader.get()); |
| Class* J = class_linker_->FindClass("LInterfaces$J;", class_loader.get()); |
| Class* K = class_linker_->FindClass("LInterfaces$K;", class_loader.get()); |
| Class* A = class_linker_->FindClass("LInterfaces$A;", class_loader.get()); |
| Class* B = class_linker_->FindClass("LInterfaces$B;", class_loader.get()); |
| EXPECT_TRUE(I->IsAssignableFrom(A)); |
| EXPECT_TRUE(J->IsAssignableFrom(A)); |
| EXPECT_TRUE(J->IsAssignableFrom(K)); |
| EXPECT_TRUE(K->IsAssignableFrom(B)); |
| EXPECT_TRUE(J->IsAssignableFrom(B)); |
| |
| Method* Ii = I->FindVirtualMethod("i", "()V"); |
| Method* Jj1 = J->FindVirtualMethod("j1", "()V"); |
| Method* Jj2 = J->FindVirtualMethod("j2", "()V"); |
| Method* Kj1 = K->FindInterfaceMethod("j1", "()V"); |
| Method* Kj2 = K->FindInterfaceMethod("j2", "()V"); |
| Method* Kk = K->FindInterfaceMethod("k", "()V"); |
| Method* Ai = A->FindVirtualMethod("i", "()V"); |
| Method* Aj1 = A->FindVirtualMethod("j1", "()V"); |
| Method* Aj2 = A->FindVirtualMethod("j2", "()V"); |
| ASSERT_TRUE(Ii != NULL); |
| ASSERT_TRUE(Jj1 != NULL); |
| ASSERT_TRUE(Jj2 != NULL); |
| ASSERT_TRUE(Kj1 != NULL); |
| ASSERT_TRUE(Kj2 != NULL); |
| ASSERT_TRUE(Kk != NULL); |
| ASSERT_TRUE(Ai != NULL); |
| ASSERT_TRUE(Aj1 != NULL); |
| ASSERT_TRUE(Aj2 != NULL); |
| EXPECT_NE(Ii, Ai); |
| EXPECT_NE(Jj1, Aj1); |
| EXPECT_NE(Jj2, Aj2); |
| EXPECT_EQ(Kj1, Jj1); |
| EXPECT_EQ(Kj2, Jj2); |
| EXPECT_EQ(Ai, A->FindVirtualMethodForInterface(Ii, true)); |
| EXPECT_EQ(Aj1, A->FindVirtualMethodForInterface(Jj1, true)); |
| EXPECT_EQ(Aj2, A->FindVirtualMethodForInterface(Jj2, true)); |
| EXPECT_EQ(Ai, A->FindVirtualMethodForVirtualOrInterface(Ii)); |
| EXPECT_EQ(Aj1, A->FindVirtualMethodForVirtualOrInterface(Jj1)); |
| EXPECT_EQ(Aj2, A->FindVirtualMethodForVirtualOrInterface(Jj2)); |
| } |
| |
| TEST_F(ClassLinkerTest, InitializeStaticStorageFromCode) { |
| // pretend we are trying to get the static storage for the StaticsFromCode class. |
| |
| // case 1, get the uninitialized storage from StaticsFromCode.<clinit> |
| // case 2, get the initialized storage from StaticsFromCode.getS0 |
| |
| SirtRef<ClassLoader> class_loader(LoadDex("StaticsFromCode")); |
| const DexFile* dex_file = ClassLoader::GetCompileTimeClassPath(class_loader.get())[0]; |
| CHECK(dex_file != NULL); |
| |
| Class* klass = class_linker_->FindClass("LStaticsFromCode;", class_loader.get()); |
| Method* clinit = klass->FindDirectMethod("<clinit>", "()V"); |
| Method* getS0 = klass->FindDirectMethod("getS0", "()Ljava/lang/Object;"); |
| const DexFile::StringId* string_id = dex_file->FindStringId("LStaticsFromCode;"); |
| ASSERT_TRUE(string_id != NULL); |
| const DexFile::TypeId* type_id = dex_file->FindTypeId(dex_file->GetIndexForStringId(*string_id)); |
| ASSERT_TRUE(type_id != NULL); |
| uint32_t type_idx = dex_file->GetIndexForTypeId(*type_id); |
| EXPECT_TRUE(clinit->GetDexCacheInitializedStaticStorage()->Get(type_idx) == NULL); |
| StaticStorageBase* uninit = InitializeStaticStorage(type_idx, clinit, Thread::Current()); |
| EXPECT_TRUE(uninit != NULL); |
| EXPECT_TRUE(clinit->GetDexCacheInitializedStaticStorage()->Get(type_idx) == NULL); |
| StaticStorageBase* init = InitializeStaticStorage(type_idx, getS0, Thread::Current()); |
| EXPECT_TRUE(init != NULL); |
| EXPECT_EQ(init, clinit->GetDexCacheInitializedStaticStorage()->Get(type_idx)); |
| } |
| |
| TEST_F(ClassLinkerTest, FinalizableBit) { |
| Class* c; |
| |
| // Object has a finalize method, but we know it's empty. |
| c = class_linker_->FindSystemClass("Ljava/lang/Object;"); |
| EXPECT_FALSE(c->IsFinalizable()); |
| |
| // Enum has a finalize method to prevent its subclasses from implementing one. |
| c = class_linker_->FindSystemClass("Ljava/lang/Enum;"); |
| EXPECT_FALSE(c->IsFinalizable()); |
| |
| // RoundingMode is an enum. |
| c = class_linker_->FindSystemClass("Ljava/math/RoundingMode;"); |
| EXPECT_FALSE(c->IsFinalizable()); |
| |
| // RandomAccessFile extends Object and overrides finalize. |
| c = class_linker_->FindSystemClass("Ljava/io/RandomAccessFile;"); |
| EXPECT_TRUE(c->IsFinalizable()); |
| |
| // FileInputStream is finalizable and extends InputStream which isn't. |
| c = class_linker_->FindSystemClass("Ljava/io/InputStream;"); |
| EXPECT_FALSE(c->IsFinalizable()); |
| c = class_linker_->FindSystemClass("Ljava/io/FileInputStream;"); |
| EXPECT_TRUE(c->IsFinalizable()); |
| |
| // ScheduledThreadPoolExecutor doesn't have a finalize method but |
| // extends ThreadPoolExecutor which does. |
| c = class_linker_->FindSystemClass("Ljava/util/concurrent/ThreadPoolExecutor;"); |
| EXPECT_TRUE(c->IsFinalizable()); |
| c = class_linker_->FindSystemClass("Ljava/util/concurrent/ScheduledThreadPoolExecutor;"); |
| EXPECT_TRUE(c->IsFinalizable()); |
| } |
| |
| } // namespace art |
