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1 /* |
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2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 #ifndef SHARE_GC_Z_ZPAGETABLE_INLINE_HPP |
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25 #define SHARE_GC_Z_ZPAGETABLE_INLINE_HPP |
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26 |
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27 #include "gc/z/zAddress.inline.hpp" |
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28 #include "gc/z/zAddressRangeMap.inline.hpp" |
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29 #include "gc/z/zPageTable.hpp" |
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30 |
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31 inline ZPage* ZPageTable::get(uintptr_t addr) const { |
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32 return _map.get(addr).page(); |
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33 } |
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34 |
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35 inline bool ZPageTable::is_relocating(uintptr_t addr) const { |
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36 return _map.get(addr).relocating(); |
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37 } |
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38 |
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39 inline ZPageTableIterator::ZPageTableIterator(const ZPageTable* pagetable) : |
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40 _iter(&pagetable->_map), |
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41 _prev(NULL) {} |
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42 |
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43 inline bool ZPageTableIterator::next(ZPage** page) { |
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44 ZPageTableEntry entry; |
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45 |
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46 while (_iter.next(&entry)) { |
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47 ZPage* const next = entry.page(); |
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48 if (next != NULL && next != _prev) { |
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49 // Next page found |
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50 *page = _prev = next; |
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51 return true; |
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52 } |
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53 } |
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54 |
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55 // No more pages |
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56 return false; |
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57 } |
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58 |
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59 #endif // SHARE_GC_Z_ZPAGETABLE_INLINE_HPP |