1 /*
   2  * Copyright (c) 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.lang.invoke;
  27 
  28 /**
  29  * Base class for memory access var handle implementations.
  30  */
  31 abstract class VarHandleMemoryAddressBase extends VarHandle {
  32     final boolean be;
  33     final long length;
  34     final long offset;
  35     final long alignment;
  36 
  37     VarHandleMemoryAddressBase(VarForm form, boolean be, long length, long offset, long alignment) {
  38         super(form);
  39         this.be = be;
  40         this.length = length;
  41         this.offset = offset;
  42         this.alignment = alignment;
  43     }
  44 
  45     static IllegalStateException newIllegalStateExceptionForMisalignedAccess(long address) {
  46         return new IllegalStateException("Misaligned access at address: " + address);
  47     }
  48 
  49     abstract long[] strides();
  50 
  51     abstract Class<?> carrier();
  52 }