1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "art_field.h" 18 19 #include "art_field-inl.h" 20 #include "base/utils.h" 21 #include "class_linker-inl.h" 22 #include "dex/descriptors_names.h" 23 #include "gc/accounting/card_table-inl.h" 24 #include "handle_scope.h" 25 #include "mirror/class-inl.h" 26 #include "mirror/object-inl.h" 27 #include "mirror/object_array-inl.h" 28 #include "runtime.h" 29 #include "scoped_thread_state_change-inl.h" 30 #include "well_known_classes.h" 31 32 namespace art { 33 SetOffset(MemberOffset num_bytes)34void ArtField::SetOffset(MemberOffset num_bytes) { 35 DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); 36 if (kIsDebugBuild && Runtime::Current()->IsAotCompiler() && 37 Runtime::Current()->IsCompilingBootImage()) { 38 Primitive::Type type = GetTypeAsPrimitiveType(); 39 if (type == Primitive::kPrimDouble || type == Primitive::kPrimLong) { 40 DCHECK_ALIGNED(num_bytes.Uint32Value(), 8); 41 } 42 } 43 // Not called within a transaction. 44 offset_ = num_bytes.Uint32Value(); 45 } 46 ProxyFindSystemClass(const char * descriptor)47ObjPtr<mirror::Class> ArtField::ProxyFindSystemClass(const char* descriptor) { 48 DCHECK(IsProxyField()); 49 ObjPtr<mirror::Class> klass = Runtime::Current()->GetClassLinker()->LookupClass( 50 Thread::Current(), descriptor, /* class_loader= */ nullptr); 51 DCHECK(klass != nullptr); 52 return klass; 53 } 54 PrettyField(ArtField * f,bool with_type)55std::string ArtField::PrettyField(ArtField* f, bool with_type) { 56 if (f == nullptr) { 57 return "null"; 58 } 59 return f->PrettyField(with_type); 60 } 61 PrettyField(bool with_type)62std::string ArtField::PrettyField(bool with_type) { 63 std::string result; 64 if (with_type) { 65 result += PrettyDescriptor(GetTypeDescriptor()); 66 result += ' '; 67 } 68 std::string temp; 69 result += PrettyDescriptor(GetDeclaringClass()->GetDescriptor(&temp)); 70 result += '.'; 71 result += GetName(); 72 return result; 73 } 74 GetAccessFlagsDCheck()75void ArtField::GetAccessFlagsDCheck() { 76 CHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); 77 } 78 GetOffsetDCheck()79void ArtField::GetOffsetDCheck() { 80 CHECK(GetDeclaringClass()->IsResolved()); 81 } 82 83 } // namespace art 84