author | pliden |
Mon, 18 Mar 2019 11:50:40 +0100 | |
changeset 54170 | 8f1771ea1e39 |
parent 54162 | f344a0c6e19e |
child 54735 | a9f729b641a3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#ifndef SHARE_GC_Z_ZGRANULEMAP_INLINE_HPP |
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#define SHARE_GC_Z_ZGRANULEMAP_INLINE_HPP |
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#include "gc/z/zAddress.inline.hpp" |
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#include "gc/z/zGlobals.hpp" |
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#include "gc/z/zGranuleMap.hpp" |
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#include "memory/allocation.inline.hpp" |
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template <typename T> |
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inline ZGranuleMap<T>::ZGranuleMap() : |
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_map(MmapArrayAllocator<T>::allocate(size(), mtGC)) {} |
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template <typename T> |
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inline ZGranuleMap<T>::~ZGranuleMap() { |
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MmapArrayAllocator<T>::free(_map, size()); |
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} |
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template <typename T> |
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inline size_t ZGranuleMap<T>::index_for_addr(uintptr_t addr) const { |
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assert(!ZAddress::is_null(addr), "Invalid address"); |
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const size_t index = ZAddress::offset(addr) >> ZGranuleSizeShift; |
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assert(index < size(), "Invalid index"); |
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return index; |
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} |
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template <typename T> |
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inline size_t ZGranuleMap<T>::size() const { |
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return ZAddressOffsetMax >> ZGranuleSizeShift; |
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} |
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template <typename T> |
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inline T ZGranuleMap<T>::get(uintptr_t addr) const { |
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const size_t index = index_for_addr(addr); |
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return _map[index]; |
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} |
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template <typename T> |
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inline void ZGranuleMap<T>::put(uintptr_t addr, T value) { |
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const size_t index = index_for_addr(addr); |
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_map[index] = value; |
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} |
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template <typename T> |
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inline void ZGranuleMap<T>::put(uintptr_t addr, size_t size, T value) { |
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assert(is_aligned(size, ZGranuleSize), "Misaligned"); |
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const size_t start_index = index_for_addr(addr); |
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const size_t end_index = start_index + (size >> ZGranuleSizeShift); |
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for (size_t index = start_index; index < end_index; index++) { |
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_map[index] = value; |
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} |
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} |
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template <typename T> |
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inline ZGranuleMapIterator<T>::ZGranuleMapIterator(const ZGranuleMap<T>* map) : |
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_map(map), |
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_next(0) {} |
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template <typename T> |
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inline bool ZGranuleMapIterator<T>::next(T* value) { |
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if (_next < _map->size()) { |
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*value = _map->_map[_next++]; |
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return true; |
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} |
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// End of map |
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return false; |
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} |
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template <typename T> |
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inline bool ZGranuleMapIterator<T>::next(T** value) { |
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if (_next < _map->size()) { |
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*value = _map->_map + _next++; |
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return true; |
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} |
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// End of map |
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return false; |
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} |
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#endif // SHARE_GC_Z_ZGRANULEMAP_INLINE_HPP |