Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectType.java @ 23777:6c8eaf47db9a
added -XX:+JVMCIPrintFlags to support printing of JVMCI flags without having to know how to trigger JVMCI initialization
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 04 Oct 2016 22:14:32 +0200 |
parents | 3f70efb8f473 |
children | f272ef93c3a3 |
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1 /* |
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2 * Copyright (c) 2011, 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 jdk.vm.ci.meta.Assumptions.AssumptionResult; |
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26 import jdk.vm.ci.meta.Constant; |
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27 import jdk.vm.ci.meta.ConstantPool; |
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28 import jdk.vm.ci.meta.JavaConstant; |
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29 import jdk.vm.ci.meta.JavaKind; |
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30 import jdk.vm.ci.meta.JavaType; |
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31 import jdk.vm.ci.meta.ResolvedJavaMethod; |
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32 import jdk.vm.ci.meta.ResolvedJavaType; |
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33 |
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34 /** |
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35 * Implementation of {@link JavaType} for resolved non-primitive HotSpot classes. |
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36 */ |
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37 public interface HotSpotResolvedObjectType extends ResolvedJavaType { |
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38 |
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39 /** |
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40 * Gets the JVMCI mirror for a {@link Class} object. |
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41 * |
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42 * @return the {@link HotSpotResolvedJavaType} corresponding to {@code javaClass} |
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43 */ |
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44 static HotSpotResolvedObjectType fromObjectClass(Class<?> javaClass) { |
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45 return HotSpotResolvedObjectTypeImpl.fromObjectClass(javaClass); |
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46 } |
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47 |
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48 HotSpotResolvedObjectType getArrayClass(); |
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49 |
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50 ResolvedJavaType getComponentType(); |
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51 |
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52 AssumptionResult<ResolvedJavaType> findLeafConcreteSubtype(); |
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53 |
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54 HotSpotResolvedObjectType getSuperclass(); |
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55 |
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56 HotSpotResolvedObjectType[] getInterfaces(); |
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57 |
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58 HotSpotResolvedObjectType getSupertype(); |
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59 |
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60 HotSpotResolvedObjectType findLeastCommonAncestor(ResolvedJavaType otherType); |
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61 |
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62 default boolean isPrimitive() { |
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63 return false; |
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64 } |
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65 |
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66 default JavaKind getJavaKind() { |
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67 return JavaKind.Object; |
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68 } |
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69 |
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70 ConstantPool getConstantPool(); |
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71 |
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72 /** |
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73 * Gets the instance size of this type. If an instance of this type cannot be fast path |
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74 * allocated, then the returned value is negative (its absolute value gives the size). Must not |
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75 * be called if this is an array or interface type. |
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76 */ |
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77 int instanceSize(); |
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78 |
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79 int getVtableLength(); |
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80 |
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81 @Override |
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82 AssumptionResult<ResolvedJavaMethod> findUniqueConcreteMethod(ResolvedJavaMethod method); |
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83 |
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84 /** |
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85 * Performs a fast-path check that this type is resolved in the context of a given accessing |
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86 * class. A negative result does not mean this type is not resolved with respect to |
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87 * {@code accessingClass}. That can only be determined by |
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88 * {@linkplain HotSpotJVMCIRuntime#lookupType(String, HotSpotResolvedObjectType, boolean) |
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89 * re-resolving} the type. |
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90 */ |
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91 boolean isDefinitelyResolvedWithRespectTo(ResolvedJavaType accessingClass); |
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92 |
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93 /** |
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94 * Gets the metaspace Klass boxed in a {@link JavaConstant}. |
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95 */ |
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96 Constant klass(); |
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97 |
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98 boolean isPrimaryType(); |
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99 |
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100 int superCheckOffset(); |
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101 |
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102 long prototypeMarkWord(); |
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103 |
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104 int layoutHelper(); |
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105 |
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106 HotSpotResolvedObjectType getEnclosingType(); |
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107 |
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108 ResolvedJavaMethod getClassInitializer(); |
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109 } |