1 /*
   2  * Copyright (c) 2014, 2015, 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 package jdk.vm.ci.hotspot;
  24 
  25 /**
  26  * Encapsulates the VM metadata generated by {@link CompilerToVM#getMetadata}.
  27  */
  28 public class HotSpotMetaData {
  29     @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private byte[] pcDescBytes;
  30     @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private byte[] scopesDescBytes;
  31     @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private byte[] relocBytes;
  32     @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private byte[] exceptionBytes;
  33     @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private byte[] oopMaps;
  34     @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private String[] metadata;
  35 
  36     public byte[] pcDescBytes() {
  37         return pcDescBytes != null ? pcDescBytes : new byte[0];
  38     }
  39 
  40     public byte[] scopesDescBytes() {
  41         return scopesDescBytes != null ? scopesDescBytes : new byte[0];
  42     }
  43 
  44     public byte[] relocBytes() {
  45         return relocBytes != null ? relocBytes : new byte[0];
  46     }
  47 
  48     public byte[] exceptionBytes() {
  49         return exceptionBytes != null ? exceptionBytes : new byte[0];
  50     }
  51 
  52     public byte[] oopMaps() {
  53         return oopMaps != null ? oopMaps : new byte[0];
  54     }
  55 
  56     public String[] metadataEntries() {
  57         return metadata != null ? metadata : new String[0];
  58     }
  59 }