Mercurial > hg > graal-compiler
annotate graal/com.oracle.max.graal.hotspot/src/com/oracle/max/graal/hotspot/ri/HotSpotMethodResolvedImpl.java @ 4600:4c417ce1b8c8
Fix possible NullPointerException in HotSpotMethodResolvedImpl.toJava
author | Andreas Woess <andreas.woess@jku.at> |
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date | Thu, 16 Feb 2012 18:30:39 +0100 |
parents | 8bc6f680a88d |
children | b5dc2403c1e7 |
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1 /* |
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2 * Copyright (c) 2011, 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 com.oracle.max.graal.hotspot.ri; |
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24 |
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25 import java.lang.annotation.*; |
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26 import java.lang.reflect.*; |
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27 import java.util.*; |
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28 import java.util.concurrent.*; |
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29 |
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30 import com.oracle.max.cri.ci.*; |
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31 import com.oracle.max.cri.ri.*; |
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32 import com.oracle.max.criutils.*; |
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33 import com.oracle.max.graal.java.*; |
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34 |
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35 /** |
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36 * Implementation of RiMethod for resolved HotSpot methods. |
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37 */ |
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38 public final class HotSpotMethodResolvedImpl extends HotSpotMethod implements HotSpotMethodResolved { |
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39 |
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40 /** |
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41 * |
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42 */ |
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43 private static final long serialVersionUID = -5486975070147586588L; |
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44 |
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45 /** DO NOT USE IN JAVA CODE! */ |
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46 @SuppressWarnings("unused") |
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47 @Deprecated |
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48 private Object javaMirror; |
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49 |
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50 // cached values |
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51 private final int codeSize; |
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52 private final int accessFlags; |
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53 private final int maxLocals; |
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54 private final int maxStackSize; |
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55 private RiSignature signature; |
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56 private Boolean hasBalancedMonitors; |
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57 private Map<Object, Object> compilerStorage; |
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58 private RiResolvedType holder; |
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59 private HotSpotMethodData methodData; |
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60 private byte[] code; |
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61 private boolean canBeInlined; |
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62 private CiGenericCallback callback; |
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63 private int compilationComplexity; |
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64 |
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65 private HotSpotMethodResolvedImpl() { |
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66 super(null); |
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67 throw new IllegalStateException("this constructor is never actually called, because the objects are allocated from within the VM"); |
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68 } |
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69 |
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70 @Override |
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71 public RiResolvedType holder() { |
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72 return holder; |
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73 } |
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74 |
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75 @Override |
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76 public int accessFlags() { |
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77 return accessFlags; |
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78 } |
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79 |
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80 @Override |
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81 public boolean canBeStaticallyBound() { |
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82 return isLeafMethod() || Modifier.isStatic(accessFlags()); |
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83 } |
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84 |
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85 @Override |
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86 public byte[] code() { |
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87 if (code == null) { |
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88 code = compiler.getVMEntries().RiMethod_code(this); |
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89 assert code.length == codeSize : "expected: " + codeSize + ", actual: " + code.length; |
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90 } |
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91 return code; |
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92 } |
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93 |
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94 @Override |
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95 public int codeSize() { |
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96 return codeSize; |
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97 } |
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98 |
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99 @Override |
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100 public RiExceptionHandler[] exceptionHandlers() { |
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101 return compiler.getVMEntries().RiMethod_exceptionHandlers(this); |
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102 } |
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103 |
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104 @Override |
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105 public boolean hasBalancedMonitors() { |
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106 if (hasBalancedMonitors == null) { |
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107 hasBalancedMonitors = compiler.getVMEntries().RiMethod_hasBalancedMonitors(this); |
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108 } |
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109 return hasBalancedMonitors; |
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110 } |
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111 |
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112 @Override |
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113 public boolean isClassInitializer() { |
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114 return "<clinit>".equals(name) && Modifier.isStatic(accessFlags()); |
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115 } |
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116 |
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117 @Override |
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118 public boolean isConstructor() { |
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119 return "<init>".equals(name) && !Modifier.isStatic(accessFlags()); |
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120 } |
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121 |
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122 @Override |
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123 public boolean isLeafMethod() { |
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124 return Modifier.isFinal(accessFlags()) || Modifier.isPrivate(accessFlags()); |
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|
125 } |
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126 |
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|
127 @Override |
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parents:
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128 public boolean isOverridden() { |
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|
129 throw new UnsupportedOperationException("isOverridden"); |
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parents:
diff
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|
130 } |
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diff
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|
131 |
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|
132 @Override |
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parents:
diff
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|
133 public boolean noSafepointPolls() { |
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parents:
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134 return false; |
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parents:
diff
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|
135 } |
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parents:
diff
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|
136 |
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parents:
diff
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|
137 @Override |
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parents:
diff
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|
138 public String jniSymbol() { |
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parents:
diff
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|
139 throw new UnsupportedOperationException("jniSymbol"); |
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parents:
diff
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|
140 } |
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parents:
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|
141 |
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parents:
diff
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|
142 public CiBitMap[] livenessMap() { |
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143 return null; |
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|
144 } |
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|
145 |
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diff
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|
146 @Override |
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|
147 public int maxLocals() { |
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|
148 return maxLocals; |
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|
149 } |
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150 |
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|
151 @Override |
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|
152 public int maxStackSize() { |
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153 return maxStackSize; |
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|
154 } |
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|
155 |
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|
156 @Override |
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157 public StackTraceElement toStackTraceElement(int bci) { |
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158 return CiUtil.toStackTraceElement(this, bci); |
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|
159 } |
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|
160 |
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diff
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|
161 @Override |
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|
162 public RiResolvedMethod uniqueConcreteMethod() { |
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163 return (RiResolvedMethod) compiler.getVMEntries().RiMethod_uniqueConcreteMethod(this); |
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|
164 } |
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|
165 |
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diff
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|
166 @Override |
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|
167 public RiSignature signature() { |
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|
168 if (signature == null) { |
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|
169 signature = new HotSpotSignature(compiler, compiler.getVMEntries().RiMethod_signature(this)); |
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|
170 } |
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|
171 return signature; |
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|
172 } |
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|
173 |
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|
174 @Override |
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|
175 public String toString() { |
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176 return "HotSpotMethod<" + CiUtil.format("%h.%n", this) + ">"; |
3733
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|
177 } |
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178 |
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179 public boolean hasCompiledCode() { |
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180 return compiler.getVMEntries().RiMethod_hasCompiledCode(this); |
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|
181 } |
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182 |
4528
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added two inlining policies for comparison
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4527
diff
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|
183 public int compiledCodeSize() { |
e6e14d25e608
added two inlining policies for comparison
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4527
diff
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|
184 return compiler.getVMEntries().RiMethod_getCompiledCodeSize(this); |
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|
185 } |
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|
186 |
3733
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|
187 @Override |
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diff
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|
188 public RiResolvedType accessor() { |
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|
189 return null; |
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|
190 } |
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|
191 |
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diff
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|
192 @Override |
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|
193 public String intrinsic() { |
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|
194 return null; |
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|
195 } |
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|
196 |
4439
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diff
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|
197 @Override |
3733
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|
198 public int invocationCount() { |
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diff
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|
199 return compiler.getVMEntries().RiMethod_invocationCount(this); |
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parents:
diff
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|
200 } |
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|
201 |
4439
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diff
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|
202 @Override |
4594
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4551
diff
changeset
|
203 public int compilationComplexity() { |
4597
8bc6f680a88d
fixed visual studio project files
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4594
diff
changeset
|
204 if (compilationComplexity <= 0 && codeSize() > 0) { |
4594
eb6df44a1374
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4551
diff
changeset
|
205 BytecodeStream s = new BytecodeStream(code()); |
eb6df44a1374
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4551
diff
changeset
|
206 int result = 0; |
eb6df44a1374
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4551
diff
changeset
|
207 int currentBC; |
eb6df44a1374
bugfixes, added bytecode complexity estimation
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parents:
4551
diff
changeset
|
208 while ((currentBC = s.currentBC()) != Bytecodes.END) { |
eb6df44a1374
bugfixes, added bytecode complexity estimation
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parents:
4551
diff
changeset
|
209 result += Bytecodes.compilationComplexity(currentBC); |
4597
8bc6f680a88d
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4594
diff
changeset
|
210 s.next(); |
4594
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bugfixes, added bytecode complexity estimation
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diff
changeset
|
211 } |
4597
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parents:
4594
diff
changeset
|
212 assert result > 0; |
4594
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4551
diff
changeset
|
213 compilationComplexity = result; |
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diff
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|
214 } |
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diff
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|
215 return compilationComplexity; |
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diff
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|
216 } |
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|
217 |
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diff
changeset
|
218 @Override |
4439
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diff
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|
219 public RiProfilingInfo profilingInfo() { |
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diff
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|
220 if (methodData == null) { |
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diff
changeset
|
221 methodData = compiler.getVMEntries().RiMethod_methodData(this); |
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diff
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|
222 } |
3733
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diff
changeset
|
223 |
4551
a7a16015e47f
changed profiling maturity so that profiling information is used more likely
Christian Haeubl <christian.haeubl@oracle.com>
parents:
4528
diff
changeset
|
224 if (methodData == null) { |
4446 | 225 return new HotSpotNoProfilingInfo(compiler); |
226 } else { | |
227 return new HotSpotProfilingInfo(compiler, methodData); | |
228 } | |
3733
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diff
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|
229 } |
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|
230 |
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parents:
diff
changeset
|
231 @Override |
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parents:
diff
changeset
|
232 public Map<Object, Object> compilerStorage() { |
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parents:
diff
changeset
|
233 if (compilerStorage == null) { |
4142
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Adjust code base to new level of warnings.
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3733
diff
changeset
|
234 compilerStorage = new ConcurrentHashMap<>(); |
3733
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parents:
diff
changeset
|
235 } |
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parents:
diff
changeset
|
236 return compilerStorage; |
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parents:
diff
changeset
|
237 } |
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parents:
diff
changeset
|
238 |
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parents:
diff
changeset
|
239 @Override |
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parents:
diff
changeset
|
240 public RiConstantPool getConstantPool() { |
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parents:
diff
changeset
|
241 return ((HotSpotTypeResolvedImpl) holder()).constantPool(); |
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parents:
diff
changeset
|
242 } |
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parents:
diff
changeset
|
243 |
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parents:
diff
changeset
|
244 public void dumpProfile() { |
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parents:
diff
changeset
|
245 TTY.println("profile info for %s", this); |
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parents:
diff
changeset
|
246 TTY.println("canBeStaticallyBound: " + canBeStaticallyBound()); |
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parents:
diff
changeset
|
247 TTY.println("invocationCount: " + invocationCount()); |
4440
271220b49abc
profiling info fixes
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4439
diff
changeset
|
248 RiProfilingInfo profilingInfo = this.profilingInfo(); |
3733
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parents:
diff
changeset
|
249 for (int i = 0; i < codeSize(); i++) { |
4440
271220b49abc
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4439
diff
changeset
|
250 if (profilingInfo.getExecutionCount(i) != -1) { |
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4439
diff
changeset
|
251 TTY.println(" executionCount@%d: %d", i, profilingInfo.getExecutionCount(i)); |
3733
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parents:
diff
changeset
|
252 } |
4440
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parents:
4439
diff
changeset
|
253 |
271220b49abc
profiling info fixes
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parents:
4439
diff
changeset
|
254 if (profilingInfo.getBranchTakenProbability(i) != -1) { |
271220b49abc
profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents:
4439
diff
changeset
|
255 TTY.println(" branchProbability@%d: %f", i, profilingInfo.getBranchTakenProbability(i)); |
3733
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256 } |
4440
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profiling info fixes
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257 |
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diff
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258 double[] switchProbabilities = profilingInfo.getSwitchProbabilities(i); |
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259 if (switchProbabilities != null) { |
4444 | 260 TTY.print(" switchProbabilities@%d:", i); |
4440
271220b49abc
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261 for (int j = 0; j < switchProbabilities.length; j++) { |
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diff
changeset
|
262 TTY.print(" %f", switchProbabilities[j]); |
3733
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263 } |
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264 TTY.println(); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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265 } |
4440
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profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents:
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diff
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266 |
4527
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fixed exceptionSeen profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents:
4467
diff
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267 if (profilingInfo.getExceptionSeen(i) != RiExceptionSeen.FALSE) { |
a0cca63cd366
fixed exceptionSeen profiling information
Christian Haeubl <christian.haeubl@oracle.com>
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268 TTY.println(" exceptionSeen@%d: %s", i, profilingInfo.getExceptionSeen(i).name()); |
4440
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269 } |
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270 |
4441
4e3aaf14cbc6
fixed graal to hotspot
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4440
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271 RiTypeProfile typeProfile = profilingInfo.getTypeProfile(i); |
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Christian Haeubl <christian.haeubl@oracle.com>
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272 if (typeProfile != null) { |
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fixed graal to hotspot
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273 RiResolvedType[] types = typeProfile.getTypes(); |
4e3aaf14cbc6
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Christian Haeubl <christian.haeubl@oracle.com>
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274 double[] probabilities = typeProfile.getProbabilities(); |
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275 if (types != null && probabilities != null) { |
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276 assert types.length == probabilities.length : "length must match"; |
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277 TTY.print(" types@%d:", i); |
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278 for (int j = 0; j < types.length; j++) { |
4e3aaf14cbc6
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279 TTY.print(" %s (%f)", types[j], probabilities[j]); |
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280 } |
4456
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inlining bugfixes and cleanup
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281 TTY.println(" not recorded (%f)", typeProfile.getNotRecordedProbability()); |
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282 } |
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283 } |
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284 } |
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285 } |
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286 |
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287 @Override |
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288 public Annotation[][] getParameterAnnotations() { |
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289 if (isConstructor()) { |
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290 Constructor javaConstructor = toJavaConstructor(); |
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291 return javaConstructor == null ? null : javaConstructor.getParameterAnnotations(); |
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292 } |
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293 Method javaMethod = toJava(); |
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294 return javaMethod == null ? null : javaMethod.getParameterAnnotations(); |
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295 } |
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296 |
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297 @Override |
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298 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) { |
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299 if (isConstructor()) { |
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300 Constructor<?> javaConstructor = toJavaConstructor(); |
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301 return javaConstructor == null ? null : javaConstructor.getAnnotation(annotationClass); |
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|
302 } |
e233f5660da4
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303 Method javaMethod = toJava(); |
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304 return javaMethod == null ? null : javaMethod.getAnnotation(annotationClass); |
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305 } |
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306 |
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307 @Override |
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diff
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308 public Type getGenericReturnType() { |
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309 if (isConstructor()) { |
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310 return void.class; |
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|
311 } |
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312 Method javaMethod = toJava(); |
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313 return javaMethod == null ? null : javaMethod.getGenericReturnType(); |
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314 } |
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315 |
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316 @Override |
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317 public Type[] getGenericParameterTypes() { |
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318 if (isConstructor()) { |
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319 Constructor javaConstructor = toJavaConstructor(); |
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320 return javaConstructor == null ? null : javaConstructor.getGenericParameterTypes(); |
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|
321 } |
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|
322 Method javaMethod = toJava(); |
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|
323 return javaMethod == null ? null : javaMethod.getGenericParameterTypes(); |
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|
324 } |
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|
325 |
e233f5660da4
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|
326 private Method toJava() { |
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|
327 try { |
4600
4c417ce1b8c8
Fix possible NullPointerException in HotSpotMethodResolvedImpl.toJava
Andreas Woess <andreas.woess@jku.at>
parents:
4597
diff
changeset
|
328 return holder.toJava().getDeclaredMethod(name, CiUtil.signatureToTypes(signature(), holder)); |
3733
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diff
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|
329 } catch (NoSuchMethodException e) { |
e233f5660da4
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parents:
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|
330 return null; |
e233f5660da4
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parents:
diff
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|
331 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
332 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
333 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
334 private Constructor toJavaConstructor() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
335 try { |
4600
4c417ce1b8c8
Fix possible NullPointerException in HotSpotMethodResolvedImpl.toJava
Andreas Woess <andreas.woess@jku.at>
parents:
4597
diff
changeset
|
336 return holder.toJava().getDeclaredConstructor(CiUtil.signatureToTypes(signature(), holder)); |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
337 } catch (NoSuchMethodException e) { |
e233f5660da4
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parents:
diff
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|
338 return null; |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
339 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
340 } |
4296
d089b71a5237
Add possibility to disable inlining for specific methods.
Andreas Woess <andreas.woess@jku.at>
parents:
4220
diff
changeset
|
341 |
d089b71a5237
Add possibility to disable inlining for specific methods.
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parents:
4220
diff
changeset
|
342 @Override |
d089b71a5237
Add possibility to disable inlining for specific methods.
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parents:
4220
diff
changeset
|
343 public boolean canBeInlined() { |
4319
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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parents:
4296
diff
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|
344 return canBeInlined && callback == null; |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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4296
diff
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|
345 } |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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diff
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|
346 public void neverInline() { |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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4296
diff
changeset
|
347 this.canBeInlined = false; |
4296
d089b71a5237
Add possibility to disable inlining for specific methods.
Andreas Woess <andreas.woess@jku.at>
parents:
4220
diff
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|
348 } |
d089b71a5237
Add possibility to disable inlining for specific methods.
Andreas Woess <andreas.woess@jku.at>
parents:
4220
diff
changeset
|
349 |
4319
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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4296
diff
changeset
|
350 public CiGenericCallback callback() { |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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diff
changeset
|
351 return callback; |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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diff
changeset
|
352 } |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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parents:
4296
diff
changeset
|
353 public void setCallback(CiGenericCallback callback) { |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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parents:
4296
diff
changeset
|
354 this.callback = callback; |
4296
d089b71a5237
Add possibility to disable inlining for specific methods.
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parents:
4220
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|
355 } |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
356 } |