1 /* 2 * Copyright (c) 2015, 2017, 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 #ifndef SHARE_GC_Z_ZPAGETABLE_INLINE_HPP 25 #define SHARE_GC_Z_ZPAGETABLE_INLINE_HPP 26 27 #include "gc/z/zAddress.inline.hpp" 28 #include "gc/z/zAddressRangeMap.inline.hpp" 29 #include "gc/z/zPageTable.hpp" 30 31 inline ZPage* ZPageTable::get(uintptr_t addr) const { 32 return _map.get(addr).page(); 33 } 34 35 inline bool ZPageTable::is_relocating(uintptr_t addr) const { 36 return _map.get(addr).relocating(); 37 } 38 39 inline ZPageTableIterator::ZPageTableIterator(const ZPageTable* pagetable) : 40 _iter(&pagetable->_map), 41 _prev(NULL) {} 42 43 inline bool ZPageTableIterator::next(ZPage** page) { 44 ZPageTableEntry entry; 45 46 while (_iter.next(&entry)) { 47 ZPage* const next = entry.page(); 48 if (next != NULL && next != _prev) { 49 // Next page found 50 *page = _prev = next; 51 return true; 52 } 53 } 54 55 // No more pages 56 return false; 57 } 58 59 #endif // SHARE_GC_Z_ZPAGETABLE_INLINE_HPP