1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_GC_G1_G1OOPSTARCHUNKEDLIST_HPP 26 #define SHARE_GC_G1_G1OOPSTARCHUNKEDLIST_HPP 27 28 #include "oops/oopsHierarchy.hpp" 29 #include "utilities/chunkedList.hpp" 30 31 class OopClosure; 32 33 class G1OopStarChunkedList : public CHeapObj<mtGC> { 34 ChunkedList<oop*, mtGC>* _roots; 35 ChunkedList<narrowOop*, mtGC>* _croots; 36 ChunkedList<oop*, mtGC>* _oops; 37 ChunkedList<narrowOop*, mtGC>* _coops; 38 39 template <typename T> size_t delete_list(ChunkedList<T*, mtGC>* c); 40 41 template <typename T> 42 void chunks_do(ChunkedList<T*, mtGC>* head, 43 OopClosure* cl); 44 45 template <typename T> 46 inline void push(ChunkedList<T*, mtGC>** field, T* p); 47 48 public: 49 G1OopStarChunkedList() : _roots(NULL), _croots(NULL), _oops(NULL), _coops(NULL) {} 50 51 size_t free_chunk_lists(); 52 53 void oops_do(OopClosure* obj_cl, OopClosure* root_cl); 54 55 inline void push_oop(oop* p); 56 inline void push_oop(narrowOop* p); 57 inline void push_root(oop* p); 58 inline void push_root(narrowOop* p); 59 }; 60 61 #endif // SHARE_GC_G1_G1OOPSTARCHUNKEDLIST_HPP