/*

 * Copyright (c) 2015, 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_ZMEMORY_INLINE_HPP

#define SHARE_GC_Z_ZMEMORY_INLINE_HPP

#include "gc/z/zMemory.hpp"

#include "utilities/debug.hpp"

inline ZMemory::ZMemory(uintptr_t start, size_t size) :

    _start(start),

    _end(start + size) {}

inline uintptr_t ZMemory::start() const {

  return _start;

}

inline uintptr_t ZMemory::end() const {

  return _end;

}

inline size_t ZMemory::size() const {

  return end() - start();

}

inline void ZMemory::shrink_from_front(size_t size) {

  assert(this->size() > size, "Too small");

  _start += size;

}

inline void ZMemory::shrink_from_back(size_t size) {

  assert(this->size() > size, "Too small");

  _end -= size;

}

inline void ZMemory::grow_from_front(size_t size) {

  assert(start() >= size, "Too big");

  _start -= size;

}

inline void ZMemory::grow_from_back(size_t size) {

  _end += size;

}

#endif // SHARE_GC_Z_ZMEMORY_INLINE_HPP