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_ZPHYSICALMEMORY_INLINE_HPP 25 #define SHARE_GC_Z_ZPHYSICALMEMORY_INLINE_HPP 26 27 #include "gc/z/zPhysicalMemory.hpp" 28 #include "utilities/debug.hpp" 29 30 inline ZPhysicalMemorySegment::ZPhysicalMemorySegment(uintptr_t start, size_t size) : 31 _start(start), 32 _end(start + size) {} 33 34 inline uintptr_t ZPhysicalMemorySegment::start() const { 35 return _start; 36 } 37 38 inline uintptr_t ZPhysicalMemorySegment::end() const { 39 return _end; 40 } 41 42 inline size_t ZPhysicalMemorySegment::size() const { 43 return end() - start(); 44 } 45 46 inline void ZPhysicalMemorySegment::expand(size_t size) { 47 _end += size; 48 } 49 50 inline ZPhysicalMemorySegment ZPhysicalMemorySegment::split(size_t split_size) { 51 assert(split_size <= size(), "Invalid size"); 52 ZPhysicalMemorySegment segment(_start, split_size); 53 _start += split_size; 54 return segment; 55 } 56 57 inline bool ZPhysicalMemory::is_null() const { 58 return _nsegments == 0; 59 } 60 61 inline size_t ZPhysicalMemory::nsegments() const { 62 return _nsegments; 63 } 64 65 inline ZPhysicalMemorySegment ZPhysicalMemory::segment(size_t index) const { 66 assert(index < _nsegments, "Invalid segment index"); 67 return _segments[index]; 68 } 69 70 inline size_t ZPhysicalMemoryManager::max_capacity() const { 71 return _max_capacity; 72 } 73 74 inline size_t ZPhysicalMemoryManager::capacity() const { 75 return _capacity; 76 } 77 78 inline size_t ZPhysicalMemoryManager::used() const { 79 return _used; 80 } 81 82 inline size_t ZPhysicalMemoryManager::available() const { 83 return _max_capacity - _used; 84 } 85 86 #endif // SHARE_GC_Z_ZPHYSICALMEMORY_INLINE_HPP