1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_PROFILE_TYPE_INFO_CELL_H 17 #define ECMASCRIPT_PROFILE_TYPE_INFO_CELL_H 18 19 #include "ecmascript/ecma_macros.h" 20 #include "ecmascript/js_handle.h" 21 #include "ecmascript/js_hclass.h" 22 #include "ecmascript/js_tagged_value.h" 23 #include "ecmascript/tagged_dictionary.h" 24 #include "ecmascript/js_thread.h" 25 #include "ecmascript/mem/barriers.h" 26 #include "ecmascript/mem/visitor.h" 27 28 namespace panda { 29 namespace ecmascript { 30 class ProfileTypeInfoCell : public TaggedObject { 31 public: 32 CAST_CHECK(ProfileTypeInfoCell, IsProfileTypeInfoCell); 33 34 static constexpr size_t VALUE_OFFSET = TaggedObjectSize(); 35 ACCESSORS(Value, VALUE_OFFSET, MACHINE_CODE_OFFSET); 36 ACCESSORS(MachineCode, MACHINE_CODE_OFFSET, HANDLE_OFFSET); 37 ACCESSORS(Handle, HANDLE_OFFSET, LAST_OFFSET); 38 DEFINE_ALIGN_SIZE(LAST_OFFSET); 39 40 DECL_VISIT_OBJECT(VALUE_OFFSET, LAST_OFFSET); 41 IsEmptyProfileTypeInfoCell(const JSThread * thread)42 bool IsEmptyProfileTypeInfoCell(const JSThread *thread) const 43 { 44 return this == thread->GlobalConstants()->GetEmptyProfileTypeInfoCell().GetTaggedObject(); 45 } 46 UpdateProfileTypeInfoCellType(const JSThread * thread)47 void UpdateProfileTypeInfoCellType(const JSThread *thread) 48 { 49 // ProfileTypeInfoCell0 -> Cell1 -> CellN 50 JSType jsType = GetClass()->GetObjectType(); 51 if (jsType == JSType::PROFILE_TYPE_INFO_CELL_0) { 52 TransitionClassWithoutBarrier( 53 JSHClass::Cast(thread->GlobalConstants()->GetProfileTypeInfoCell1Class().GetTaggedObject())); 54 } else if (jsType == JSType::PROFILE_TYPE_INFO_CELL_1) { 55 TransitionClassWithoutBarrier( 56 JSHClass::Cast(thread->GlobalConstants()->GetProfileTypeInfoCellNClass().GetTaggedObject())); 57 } else { 58 ASSERT(jsType == JSType::PROFILE_TYPE_INFO_CELL_N); 59 } 60 } 61 62 DECL_DUMP() 63 }; 64 65 } // namespace ecmascript 66 } // namespace panda 67 68 #endif // ECMASCRIPT_PROFILE_TYPE_INFO_CELL_H 69