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_ZMEMORY_INLINE_HPP
25#define SHARE_GC_Z_ZMEMORY_INLINE_HPP
26
27#include "gc/z/zMemory.hpp"
28#include "utilities/debug.hpp"
29
30inline ZMemory::ZMemory(uintptr_t start, size_t size) :
31 _start(start),
32 _end(start + size) {}
33
34inline uintptr_t ZMemory::start() const {
35 return _start;
36}
37
38inline uintptr_t ZMemory::end() const {
39 return _end;
40}
41
42inline size_t ZMemory::size() const {
43 return end() - start();
44}
45
46inline void ZMemory::shrink_from_front(size_t size) {
47 assert(this->size() > size, "Too small");
48 _start += size;
49}
50
51inline void ZMemory::shrink_from_back(size_t size) {
52 assert(this->size() > size, "Too small");
53 _end -= size;
54}
55
56inline void ZMemory::grow_from_front(size_t size) {
57 assert(start() >= size, "Too big");
58 _start -= size;
59}
60
61inline void ZMemory::grow_from_back(size_t size) {
62 _end += size;
63}
64
65#endif // SHARE_GC_Z_ZMEMORY_INLINE_HPP
66