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