mirror of
https://github.com/openharmony/ark_runtime_core.git
synced 2026-07-18 18:24:30 -04:00
Ilya Trubachev
122 lines
4.0 KiB
C++
122 lines
4.0 KiB
C++
/*
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* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PANDA_RUNTIME_MEM_OBJECT_HELPERS_H_
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#define PANDA_RUNTIME_MEM_OBJECT_HELPERS_H_
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#include <functional>
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#include "runtime/include/coretypes/tagged_value.h"
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#include "libpandafile/file_items.h"
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#include "runtime/include/language_config.h"
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#include "runtime/include/mem/panda_string.h"
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#include "runtime/object_header_config.h"
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#include "libpandabase/utils/logger.h"
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namespace panda {
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class Class;
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class Field;
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class ManagedThread;
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class ObjectHeader;
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class PandaVM;
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} // namespace panda
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namespace panda::coretypes {
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class DynClass;
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} // namespace panda::coretypes
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namespace panda::mem {
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// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
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#define LOG_DEBUG_OBJ_HELPERS LOG(DEBUG, GC) << vm->GetGC()->GetLogPrefix()
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class GC;
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size_t GetObjectSize(const void *mem);
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PandaString GetDebugInfoAboutObject(const ObjectHeader *header);
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void DumpObject(ObjectHeader *object_header, std::basic_ostream<char, std::char_traits<char>> *o_stream = &std::cerr);
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void DumpClass(Class *cls, std::basic_ostream<char, std::char_traits<char>> *o_stream = &std::cerr);
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[[nodiscard]] ObjectHeader *GetForwardAddress(ObjectHeader *object_header);
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const char *GetFieldName(const Field &field);
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size_t GetDynClassInstanceSize(coretypes::DynClass *object);
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class GCStaticObjectHelpers {
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public:
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static void TraverseAllObjects(ObjectHeader *object_header,
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const std::function<void(ObjectHeader *, ObjectHeader *)> &obj_visitor);
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template <typename FieldVisitor>
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static void TraverseObject(ObjectHeader *object_header, BaseClass *base_cls, const FieldVisitor &field_visitor);
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template <typename ElementVisitor>
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static void TraverseArray(ObjectHeader *object_header, BaseClass *base_cls,
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const ElementVisitor &array_element_visitor);
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static void UpdateRefsToMovedObjects(PandaVM *vm, ObjectHeader *object, BaseClass *base_cls);
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};
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class GCDynamicObjectHelpers {
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public:
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static void TraverseAllObjects(ObjectHeader *object_header,
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const std::function<void(ObjectHeader *, ObjectHeader *)> &obj_visitor);
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template <typename FieldVisitor>
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static void TraverseObject(ObjectHeader *object_header, BaseClass *base_cls, const FieldVisitor &field_visitor);
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template <typename ElementVisitor>
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static void TraverseArray(ObjectHeader *object_header, BaseClass *base_cls,
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const ElementVisitor &array_element_visitor);
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static void UpdateRefsToMovedObjects(PandaVM *vm, ObjectHeader *object, BaseClass *base_cls);
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static void RecordDynWeakReference(GC *gc, coretypes::TaggedType *value);
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static void HandleDynWeakReferences(GC *gc);
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private:
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static void UpdateDynArray(PandaVM *vm, ObjectHeader *object_header, array_size_t index, ObjectHeader *obj_ref);
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static void UpdateDynObjectRef(PandaVM *vm, ObjectHeader *object_header, size_t offset, ObjectHeader *field_obj_ref,
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bool is_update_classword);
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};
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template <LangTypeT LangType>
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class GCObjectHelpers {
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};
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template <>
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class GCObjectHelpers<LANG_TYPE_STATIC> {
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public:
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using Value = GCStaticObjectHelpers;
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};
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template <>
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class GCObjectHelpers<LANG_TYPE_DYNAMIC> {
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public:
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using Value = GCDynamicObjectHelpers;
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};
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template <LangTypeT LangType>
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using ObjectHelpers = typename GCObjectHelpers<LangType>::Value;
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} // namespace panda::mem
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#endif // PANDA_RUNTIME_MEM_OBJECT_HELPERS_H_
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