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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotVMConfig.java @ 1437:9e5e83ca2259

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Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Mon, 25 Oct 2010 16:47:52 +0200
parents 72cfb36c6bb2
children 8cfe3537a0d3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
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5 * that is described in this document. In particular, and without limitation, these intellectual property
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6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
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7 * more additional patents or pending patent applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun
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10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
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11 * supplements.
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12 *
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13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
9e5e83ca2259 Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
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14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
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15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
9e5e83ca2259 Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
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16 * U.S. and other countries.
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17 *
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18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
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19 * Company, Ltd.
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20 */
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21 package com.sun.hotspot.c1x;
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22
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23 import com.sun.cri.ci.*;
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24
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25 /**
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26 * Used to communicate configuration details, runtime offsets, etc. to c1x upon compileMethod.
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27 *
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28 * @author Lukas Stadler
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29 */
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30 public class HotSpotVMConfig implements CompilerObject {
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31
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32 // os information, register layout, code generation, ...
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33 public boolean windowsOs;
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34 public int codeEntryAlignment;
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35
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36 // offsets, ...
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37 public int vmPageSize;
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38 public int stackShadowPages;
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39 public int hubOffset;
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40 public int arrayLengthOffset;
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41 public int klassStateOffset;
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42 public int klassStateFullyInitialized;
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43 public int[] arrayOffsets;
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44 public int arrayClassElementOffset;
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45 public int threadTlabTopOffset;
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46 public int threadTlabEndOffset;
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47 public int instanceHeaderPrototypeOffset;
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48 public int threadExceptionOopOffset;
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49 public int threadExceptionPcOffset;
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50 public int threadMultiNewArrayStorage;
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51 public long cardtableStartAddress;
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52 public int cardtableShift;
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53 public long safepointPollingAddress;
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54
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55 // runtime stubs
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56 public long debugStub;
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57 public long instanceofStub;
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58 public long newInstanceStub;
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59 public long unresolvedNewInstanceStub;
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60 public long newTypeArrayStub;
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61 public long newObjectArrayStub;
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62 public long newMultiArrayStub;
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63 public long loadKlassStub;
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64 public long accessFieldStub;
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65 public long resolveStaticCallStub;
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66 public long inlineCacheMissStub;
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67 public long unwindExceptionStub;
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68 public long handleExceptionStub;
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69 public long throwClassCastException;
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70 public long throwArrayStoreException;
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71 public long throwArrayIndexException;
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72 public long monitorEnterStub;
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73 public long monitorExitStub;
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74
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75 public void check() {
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76 assert vmPageSize >= 16;
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77 assert codeEntryAlignment > 0;
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78 assert stackShadowPages > 0;
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79 }
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80
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81 public int getArrayOffset(CiKind kind) {
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82 return arrayOffsets[getKindNumber(kind)];
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83 }
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84
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85 private int getKindNumber(CiKind kind) {
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86 if (kind == CiKind.Boolean) {
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87 return 0;
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88 } else if (kind == CiKind.Byte) {
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89 return 1;
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90 } else if (kind == CiKind.Short) {
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91 return 2;
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92 } else if (kind == CiKind.Char) {
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93 return 3;
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94 } else if (kind == CiKind.Int) {
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95 return 4;
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96 } else if (kind == CiKind.Float) {
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97 return 5;
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98 } else if (kind == CiKind.Long) {
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99 return 6;
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100 } else if (kind == CiKind.Double) {
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101 return 7;
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102 } else if (kind == CiKind.Object) {
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103 return 8;
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104 } else {
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105 throw new RuntimeException(kind + " is not a Java kind");
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106 }
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107 }
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108 }