Alexander Shabalin
5ef9a5a240
Merge-request: KT-MR-7507 Merged-by: Alexander Shabalin <Alexander.Shabalin@jetbrains.com>
39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
/*
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* Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
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* that can be found in the LICENSE file.
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*/
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#ifndef RUNTIME_MM_OBJECT_OPS_H
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#define RUNTIME_MM_OBJECT_OPS_H
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#include "Memory.h"
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namespace kotlin {
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namespace mm {
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class ThreadData;
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// TODO: Make sure these operations work with any kind of thread stopping: safepoints and signals.
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// TODO: Consider adding some kind of an `Object` type (that wraps `ObjHeader*`) which
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// will have these operations for a friendlier API.
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// TODO: `OBJ_GETTER` is used because the returned objects needs to be accessible via the rootset before the function
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// returns. If we had a different way to efficiently keep the object in the roots, `OBJ_GETTER` can be removed.
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void SetStackRef(ObjHeader** location, ObjHeader* value) noexcept;
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void SetHeapRef(ObjHeader** location, ObjHeader* value) noexcept;
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void SetHeapRefAtomic(ObjHeader** location, ObjHeader* value) noexcept;
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OBJ_GETTER(ReadHeapRefAtomic, ObjHeader** location) noexcept;
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OBJ_GETTER(CompareAndSwapHeapRef, ObjHeader** location, ObjHeader* expected, ObjHeader* value) noexcept;
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OBJ_GETTER(AllocateObject, ThreadData* threadData, const TypeInfo* typeInfo) noexcept;
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OBJ_GETTER(AllocateArray, ThreadData* threadData, const TypeInfo* typeInfo, uint32_t elements) noexcept;
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// This does not take into account how much storage did the underlying allocator (malloc/mimalloc) reserved.
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size_t GetAllocatedHeapSize(ObjHeader* object) noexcept;
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} // namespace mm
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} // namespace kotlin
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#endif // RUNTIME_MM_OBJECT_OPS_H
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