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annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotReferenceMap.java @ 24125:0c5404418ec2

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Backout getMarkName fix
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Tue, 11 Apr 2017 08:59:43 -0700
parents 9e1235406b59
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package jdk.vm.ci.hotspot;
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24
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25 import java.util.Arrays;
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26
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27 import jdk.vm.ci.code.Location;
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28 import jdk.vm.ci.code.ReferenceMap;
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29
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30 /**
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31 * Describes where the object references are in machine state, compliant with what HotSpot expects.
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32 */
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33 public final class HotSpotReferenceMap extends ReferenceMap {
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34
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35 private final Location[] objects;
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36 private final Location[] derivedBase;
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37 private final int[] sizeInBytes;
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38 private final int maxRegisterSize;
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39
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40 /**
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41 *
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42 * @param objects This array is now owned by this object and must not be mutated by the caller.
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43 * @param derivedBase This array is now owned by this object and must not be mutated by the
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44 * caller.
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45 * @param sizeInBytes This array is now owned by this object and must not be mutated by the
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46 * caller.
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47 */
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48 @SuppressFBWarnings(value = "EI_EXPOSE_REP2", justification = "caller transfers ownership of `objects`, `derivedBase` and `sizeInBytes`")
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49 public HotSpotReferenceMap(Location[] objects, Location[] derivedBase, int[] sizeInBytes, int maxRegisterSize) {
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50 this.objects = objects;
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51 this.derivedBase = derivedBase;
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52 this.sizeInBytes = sizeInBytes;
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53 this.maxRegisterSize = maxRegisterSize;
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54 }
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55
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56 @Override
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57 public int hashCode() {
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58 throw new UnsupportedOperationException();
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59 }
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60
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61 @Override
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62 public boolean equals(Object obj) {
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63 if (this == obj) {
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64 return true;
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65 }
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66 if (obj instanceof HotSpotReferenceMap) {
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67 HotSpotReferenceMap that = (HotSpotReferenceMap) obj;
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68 if (sizeInBytes == that.sizeInBytes && maxRegisterSize == that.maxRegisterSize && Arrays.equals(objects, that.objects) && Arrays.equals(derivedBase, that.derivedBase)) {
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69 return true;
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70 }
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71 }
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72 return false;
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73 }
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74
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75 @Override
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76 public String toString() {
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77 return Arrays.toString(objects);
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78 }
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79 }