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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotField.java @ 1433:efba53f86c4f

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various fixes and enhancements * correct refmap->oopmap conversion (register numbering, stack slot numbering) * fixes for inlining (correct scoping in exception handler lookup, NPE in scope conversion) * support for "jump to runtime stub" (patching code needs to be aware of jmp instruction) * provide more information about methods (to allow inlining: has_balanced_monitors, etc.) * fixes to signature type lookup * isSubTypeOf: correct handling of array classes * RiType: componentType/arrayOf * prologue: inline cache check, icmiss stub * klass state check (resolved but not initialized) in newinstance * card table write barriers * c1x classes are optional (to allow running c1 without them) * correct for stored frame pointer in calling conventions (methods with arguments on stack) * getType(Class<?>) for some basic types, used for optimizations and folding * RiMethod/RiType: throw exception instead of silent failure on unsupported operations * RiType: resolved/unresolved array type support * refactoring: new on-demand template generation mechanism * optimizations: template specialization for no_null_check, given length, etc.
author Lukas Stadler <lukas.stadler@oracle.com>
date Thu, 16 Sep 2010 19:42:20 -0700
parents 760213a60e8b
children 20a3896518ac
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1 /*
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2 * Copyright (c) 2009-2010 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 that is
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent
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7 * 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 Microsystems, Inc. standard
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10 * license agreement and applicable provisions of the FAR and its supplements.
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11 *
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries.
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15 *
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd.
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17 */
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18
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19 package com.sun.hotspot.c1x;
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20
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21 import com.sun.cri.ci.CiConstant;
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22 import com.sun.cri.ci.CiKind;
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23 import com.sun.cri.ri.RiField;
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24 import com.sun.cri.ri.RiType;
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26 /**
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27 * Represents a field in a HotSpot type.
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28 *
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29 * @author Thomas Wuerthinger, Lukas Stadler
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30 */
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31 public class HotSpotField implements RiField, CompilerObject {
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32
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33 private final RiType holder;
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34 private final String name;
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35 private final RiType type;
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36 private final int offset;
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38 public HotSpotField(RiType holder, String name, RiType type, int offset) {
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39 this.holder = holder;
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40 this.name = name;
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41 this.type = type;
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42 this.offset = offset;
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43 }
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44
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45 @Override
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46 public int accessFlags() {
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47 // TODO Auto-generated method stub
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48 return 0;
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49 }
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50
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51 @Override
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52 public CiConstant constantValue(Object object) {
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53 // TODO Auto-generated method stub
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54 return null;
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55 }
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57 @Override
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58 public RiType holder() {
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59 return holder;
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60 }
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62 @Override
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63 public boolean isConstant() {
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64 // TODO Auto-generated method stub
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65 return false;
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66 }
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68 @Override
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69 public boolean isResolved() {
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70 return offset != -1;
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71 }
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73 @Override
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74 public CiKind kind() {
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75 return type().kind();
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76 }
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78 @Override
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79 public String name() {
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80 return name;
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81 }
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83 @Override
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84 public RiType type() {
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85 return type;
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86 }
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88 public int offset() {
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89 return offset;
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90 }
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92 @Override
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93 public String toString() {
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94 return "HotSpotField<" + ((HotSpotType)holder).simpleName() + "." + name + ">";
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95 }
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97 }