1 /* 2 * Copyright (c) 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_ZADDRESSRANGEMAP_INLINE_HPP 25 #define SHARE_GC_Z_ZADDRESSRANGEMAP_INLINE_HPP 26 27 #include "gc/z/zAddress.inline.hpp" 28 #include "gc/z/zAddressRangeMap.hpp" 29 #include "gc/z/zGlobals.hpp" 30 #include "memory/allocation.inline.hpp" 31 32 template <typename T, size_t AddressRangeShift> 33 ZAddressRangeMap<T, AddressRangeShift>::ZAddressRangeMap() : 34 _map(MmapArrayAllocator<T>::allocate(size(), mtGC)) {} 35 36 template <typename T, size_t AddressRangeShift> 37 ZAddressRangeMap<T, AddressRangeShift>::~ZAddressRangeMap() { 38 MmapArrayAllocator<T>::free(_map, size()); 39 } 40 41 template <typename T, size_t AddressRangeShift> 42 size_t ZAddressRangeMap<T, AddressRangeShift>::index_for_addr(uintptr_t addr) const { 43 assert(!ZAddress::is_null(addr), "Invalid address"); 44 45 const size_t index = ZAddress::offset(addr) >> AddressRangeShift; 46 assert(index < size(), "Invalid index"); 47 48 return index; 49 } 50 51 template <typename T, size_t AddressRangeShift> 52 size_t ZAddressRangeMap<T, AddressRangeShift>::size() const { 53 return ZAddressOffsetMax >> AddressRangeShift; 54 } 55 56 template <typename T, size_t AddressRangeShift> 57 T ZAddressRangeMap<T, AddressRangeShift>::get(uintptr_t addr) const { 58 const uintptr_t index = index_for_addr(addr); 59 return _map[index]; 60 } 61 62 template <typename T, size_t AddressRangeShift> 63 void ZAddressRangeMap<T, AddressRangeShift>::put(uintptr_t addr, T value) { 64 const uintptr_t index = index_for_addr(addr); 65 _map[index] = value; 66 } 67 68 template <typename T, size_t AddressRangeShift> 69 inline ZAddressRangeMapIterator<T, AddressRangeShift>::ZAddressRangeMapIterator(const ZAddressRangeMap<T, AddressRangeShift>* map) : 70 _map(map), 71 _next(0) {} 72 73 template <typename T, size_t AddressRangeShift> 74 inline bool ZAddressRangeMapIterator<T, AddressRangeShift>::next(T* value) { 75 if (_next < _map->size()) { 76 *value = _map->_map[_next++]; 77 return true; 78 } 79 80 // End of map 81 return false; 82 } 83 84 #endif // SHARE_GC_Z_ZADDRESSRANGEMAP_INLINE_HPP | 1 /* 2 * Copyright (c) 2017, 2019, 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_ZGRANULEMAP_INLINE_HPP 25 #define SHARE_GC_Z_ZGRANULEMAP_INLINE_HPP 26 27 #include "gc/z/zAddress.inline.hpp" 28 #include "gc/z/zGlobals.hpp" 29 #include "gc/z/zGranuleMap.hpp" 30 #include "memory/allocation.inline.hpp" 31 32 template <typename T> 33 inline ZGranuleMap<T>::ZGranuleMap() : 34 _map(MmapArrayAllocator<T>::allocate(size(), mtGC)) {} 35 36 template <typename T> 37 inline ZGranuleMap<T>::~ZGranuleMap() { 38 MmapArrayAllocator<T>::free(_map, size()); 39 } 40 41 template <typename T> 42 inline size_t ZGranuleMap<T>::index_for_addr(uintptr_t addr) const { 43 assert(!ZAddress::is_null(addr), "Invalid address"); 44 45 const size_t index = ZAddress::offset(addr) >> ZGranuleSizeShift; 46 assert(index < size(), "Invalid index"); 47 48 return index; 49 } 50 51 template <typename T> 52 inline size_t ZGranuleMap<T>::size() const { 53 return ZAddressOffsetMax >> ZGranuleSizeShift; 54 } 55 56 template <typename T> 57 inline T ZGranuleMap<T>::get(uintptr_t addr) const { 58 const size_t index = index_for_addr(addr); 59 return _map[index]; 60 } 61 62 template <typename T> 63 inline void ZGranuleMap<T>::put(uintptr_t addr, T value) { 64 const size_t index = index_for_addr(addr); 65 _map[index] = value; 66 } 67 68 template <typename T> 69 inline ZGranuleMapIterator<T>::ZGranuleMapIterator(const ZGranuleMap<T>* map) : 70 _map(map), 71 _next(0) {} 72 73 template <typename T> 74 inline bool ZGranuleMapIterator<T>::next(T* value) { 75 if (_next < _map->size()) { 76 *value = _map->_map[_next++]; 77 return true; 78 } 79 80 // End of map 81 return false; 82 } 83 84 #endif // SHARE_GC_Z_ZGRANULEMAP_INLINE_HPP |