1 /*
   2  * Copyright (c) 2015, 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_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() :
  31     _start(UINTPTR_MAX),
  32     _end(UINTPTR_MAX) {}
  33 
  34 inline ZPhysicalMemorySegment::ZPhysicalMemorySegment(uintptr_t start, size_t size) :
  35     _start(start),
  36     _end(start + size) {}
  37 
  38 inline uintptr_t ZPhysicalMemorySegment::start() const {
  39   return _start;
  40 }
  41 
  42 inline uintptr_t ZPhysicalMemorySegment::end() const {
  43   return _end;
  44 }
  45 
  46 inline size_t ZPhysicalMemorySegment::size() const {
  47   return _end - _start;
  48 }
  49 
  50 inline bool ZPhysicalMemory::is_null() const {
  51   return _nsegments == 0;
  52 }
  53 
  54 inline size_t ZPhysicalMemory::nsegments() const {
  55   return _nsegments;
  56 }
  57 
  58 inline const ZPhysicalMemorySegment& ZPhysicalMemory::segment(size_t index) const {
  59   assert(index < _nsegments, "Invalid segment index");
  60   return _segments[index];
  61 }
  62 
  63 #endif // SHARE_GC_Z_ZPHYSICALMEMORY_INLINE_HPP