Path: blob/master/runtime/gc_glue_java/ObjectScannerState.hpp
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/*******************************************************************************1* Copyright (c) 1991, 2020 IBM Corp. and others2*3* This program and the accompanying materials are made available under4* the terms of the Eclipse Public License 2.0 which accompanies this5* distribution and is available at https://www.eclipse.org/legal/epl-2.0/6* or the Apache License, Version 2.0 which accompanies this distribution and7* is available at https://www.apache.org/licenses/LICENSE-2.0.8*9* This Source Code may also be made available under the following10* Secondary Licenses when the conditions for such availability set11* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU12* General Public License, version 2 with the GNU Classpath13* Exception [1] and GNU General Public License, version 2 with the14* OpenJDK Assembly Exception [2].15*16* [1] https://www.gnu.org/software/classpath/license.html17* [2] http://openjdk.java.net/legal/assembly-exception.html18*19* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception20*******************************************************************************/2122/**23* @file24* @ingroup GC_Structs25*/2627#if !defined(OBJECTSCANNERSTATE_HPP_)28#define OBJECTSCANNERSTATE_HPP_2930#include "FlattenedArrayObjectScanner.hpp"31#include "MixedObjectScanner.hpp"32#include "PointerArrayObjectScanner.hpp"33#include "ReferenceObjectScanner.hpp"3435/**36* This structure is intended to represent the maximal size of all language-specific GC_ObjectScanner37* subclasses, so that space (on stack or in other structures/classes) can be reserved for in-place38* instantiation.39*/40typedef union GC_ObjectScannerState41{42uint8_t mixed[sizeof(GC_MixedObjectScanner)];43uint8_t reference[sizeof(GC_ReferenceObjectScanner)];44uint8_t pointerArray[sizeof(GC_PointerArrayObjectScanner)];45uint8_t flattenedArray[sizeof(GC_FlattenedArrayObjectScanner)];46} GC_ObjectScannerState;4748#endif /* OBJECTSCANNERSTATE_HPP_ */495051