Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.max.graal.hotspot/src/com/oracle/max/graal/hotspot/ri/HotSpotMethodResolvedImpl.java @ 5003:5e6f1026a63e
fixes to vtable stub inlining: compute offset on demand, look out for interface methods
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Thu, 01 Mar 2012 15:36:35 +0100 |
parents | b5dc2403c1e7 |
children | f4fb1af02e4c f3d2447db2d9 |
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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 private static final long serialVersionUID = -5486975070147586588L; |
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41 |
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42 /** DO NOT USE IN JAVA CODE! */ |
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43 @SuppressWarnings("unused") |
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44 @Deprecated |
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45 private Object javaMirror; |
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46 |
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47 // cached values |
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48 private final int codeSize; |
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49 private final int accessFlags; |
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50 private final int maxLocals; |
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51 private final int maxStackSize; |
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52 private RiSignature signature; |
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53 private Boolean hasBalancedMonitors; |
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54 private Map<Object, Object> compilerStorage; |
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55 private RiResolvedType holder; |
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56 private HotSpotMethodData methodData; |
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57 private byte[] code; |
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58 private boolean canBeInlined; |
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59 private CiGenericCallback callback; |
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60 private int compilationComplexity; |
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61 |
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62 private HotSpotMethodResolvedImpl() { |
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63 super(null); |
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64 throw new IllegalStateException("this constructor is never actually called, because the objects are allocated from within the VM"); |
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65 } |
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66 |
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67 @Override |
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68 public RiResolvedType holder() { |
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69 return holder; |
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70 } |
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71 |
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72 @Override |
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73 public int accessFlags() { |
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74 return accessFlags; |
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75 } |
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76 |
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77 @Override |
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78 public boolean canBeStaticallyBound() { |
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79 return isLeafMethod() || Modifier.isStatic(accessFlags()); |
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80 } |
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81 |
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82 @Override |
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83 public byte[] code() { |
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84 if (code == null) { |
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85 code = compiler.getVMEntries().RiMethod_code(this); |
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86 assert code.length == codeSize : "expected: " + codeSize + ", actual: " + code.length; |
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87 } |
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88 return code; |
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89 } |
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90 |
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91 @Override |
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92 public int codeSize() { |
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93 return codeSize; |
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94 } |
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95 |
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96 @Override |
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97 public RiExceptionHandler[] exceptionHandlers() { |
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98 return compiler.getVMEntries().RiMethod_exceptionHandlers(this); |
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99 } |
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100 |
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101 @Override |
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102 public boolean hasBalancedMonitors() { |
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103 if (hasBalancedMonitors == null) { |
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104 hasBalancedMonitors = compiler.getVMEntries().RiMethod_hasBalancedMonitors(this); |
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105 } |
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106 return hasBalancedMonitors; |
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107 } |
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108 |
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109 @Override |
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110 public boolean isClassInitializer() { |
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111 return "<clinit>".equals(name) && Modifier.isStatic(accessFlags()); |
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112 } |
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113 |
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114 @Override |
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115 public boolean isConstructor() { |
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116 return "<init>".equals(name) && !Modifier.isStatic(accessFlags()); |
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117 } |
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118 |
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119 @Override |
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120 public boolean isLeafMethod() { |
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121 return Modifier.isFinal(accessFlags()) || Modifier.isPrivate(accessFlags()); |
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122 } |
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123 |
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|
124 @Override |
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parents:
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|
125 public boolean isOverridden() { |
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parents:
diff
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|
126 throw new UnsupportedOperationException("isOverridden"); |
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parents:
diff
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|
127 } |
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parents:
diff
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|
128 |
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parents:
diff
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|
129 @Override |
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parents:
diff
changeset
|
130 public boolean noSafepointPolls() { |
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parents:
diff
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|
131 return false; |
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parents:
diff
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|
132 } |
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parents:
diff
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|
133 |
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parents:
diff
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|
134 @Override |
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parents:
diff
changeset
|
135 public String jniSymbol() { |
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parents:
diff
changeset
|
136 throw new UnsupportedOperationException("jniSymbol"); |
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parents:
diff
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|
137 } |
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parents:
diff
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|
138 |
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parents:
diff
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|
139 public CiBitMap[] livenessMap() { |
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parents:
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|
140 return null; |
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parents:
diff
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|
141 } |
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parents:
diff
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|
142 |
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parents:
diff
changeset
|
143 @Override |
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parents:
diff
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|
144 public int maxLocals() { |
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parents:
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|
145 return maxLocals; |
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parents:
diff
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|
146 } |
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|
147 |
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|
148 @Override |
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|
149 public int maxStackSize() { |
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|
150 return maxStackSize; |
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|
151 } |
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|
152 |
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|
153 @Override |
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|
154 public StackTraceElement toStackTraceElement(int bci) { |
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155 return CiUtil.toStackTraceElement(this, bci); |
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|
156 } |
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|
157 |
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diff
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|
158 @Override |
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parents:
diff
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|
159 public RiResolvedMethod uniqueConcreteMethod() { |
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|
160 return (RiResolvedMethod) compiler.getVMEntries().RiMethod_uniqueConcreteMethod(this); |
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|
161 } |
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|
162 |
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diff
changeset
|
163 @Override |
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parents:
diff
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|
164 public RiSignature signature() { |
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parents:
diff
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|
165 if (signature == null) { |
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|
166 signature = new HotSpotSignature(compiler, compiler.getVMEntries().RiMethod_signature(this)); |
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|
167 } |
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|
168 return signature; |
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|
169 } |
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|
170 |
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|
171 @Override |
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|
172 public String toString() { |
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|
173 return "HotSpotMethod<" + CiUtil.format("%h.%n", this) + ">"; |
3733
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|
174 } |
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|
175 |
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|
176 public boolean hasCompiledCode() { |
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|
177 return compiler.getVMEntries().RiMethod_hasCompiledCode(this); |
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|
178 } |
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|
179 |
4528
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added two inlining policies for comparison
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4527
diff
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|
180 public int compiledCodeSize() { |
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added two inlining policies for comparison
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4527
diff
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|
181 return compiler.getVMEntries().RiMethod_getCompiledCodeSize(this); |
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4527
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|
182 } |
e6e14d25e608
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|
183 |
3733
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|
184 @Override |
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diff
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|
185 public RiResolvedType accessor() { |
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|
186 return null; |
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|
187 } |
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|
188 |
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diff
changeset
|
189 @Override |
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parents:
diff
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|
190 public String intrinsic() { |
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parents:
diff
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|
191 return null; |
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parents:
diff
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|
192 } |
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|
193 |
4439
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diff
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|
194 @Override |
3733
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diff
changeset
|
195 public int invocationCount() { |
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diff
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|
196 return compiler.getVMEntries().RiMethod_invocationCount(this); |
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parents:
diff
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|
197 } |
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|
198 |
4439
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|
199 @Override |
4594
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4551
diff
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|
200 public int compilationComplexity() { |
4597
8bc6f680a88d
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4594
diff
changeset
|
201 if (compilationComplexity <= 0 && codeSize() > 0) { |
4594
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4551
diff
changeset
|
202 BytecodeStream s = new BytecodeStream(code()); |
eb6df44a1374
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4551
diff
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|
203 int result = 0; |
eb6df44a1374
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4551
diff
changeset
|
204 int currentBC; |
eb6df44a1374
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parents:
4551
diff
changeset
|
205 while ((currentBC = s.currentBC()) != Bytecodes.END) { |
eb6df44a1374
bugfixes, added bytecode complexity estimation
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parents:
4551
diff
changeset
|
206 result += Bytecodes.compilationComplexity(currentBC); |
4597
8bc6f680a88d
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parents:
4594
diff
changeset
|
207 s.next(); |
4594
eb6df44a1374
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4551
diff
changeset
|
208 } |
4597
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parents:
4594
diff
changeset
|
209 assert result > 0; |
4594
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4551
diff
changeset
|
210 compilationComplexity = result; |
eb6df44a1374
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diff
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|
211 } |
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diff
changeset
|
212 return compilationComplexity; |
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diff
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|
213 } |
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|
214 |
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diff
changeset
|
215 @Override |
4439
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diff
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|
216 public RiProfilingInfo profilingInfo() { |
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diff
changeset
|
217 if (methodData == null) { |
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parents:
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diff
changeset
|
218 methodData = compiler.getVMEntries().RiMethod_methodData(this); |
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|
219 } |
3733
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diff
changeset
|
220 |
4551
a7a16015e47f
changed profiling maturity so that profiling information is used more likely
Christian Haeubl <christian.haeubl@oracle.com>
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4528
diff
changeset
|
221 if (methodData == null) { |
4446 | 222 return new HotSpotNoProfilingInfo(compiler); |
223 } else { | |
224 return new HotSpotProfilingInfo(compiler, methodData); | |
225 } | |
3733
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diff
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|
226 } |
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|
227 |
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diff
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|
228 @Override |
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parents:
diff
changeset
|
229 public Map<Object, Object> compilerStorage() { |
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parents:
diff
changeset
|
230 if (compilerStorage == null) { |
4142
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Adjust code base to new level of warnings.
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3733
diff
changeset
|
231 compilerStorage = new ConcurrentHashMap<>(); |
3733
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parents:
diff
changeset
|
232 } |
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parents:
diff
changeset
|
233 return compilerStorage; |
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parents:
diff
changeset
|
234 } |
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parents:
diff
changeset
|
235 |
e233f5660da4
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parents:
diff
changeset
|
236 @Override |
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parents:
diff
changeset
|
237 public RiConstantPool getConstantPool() { |
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parents:
diff
changeset
|
238 return ((HotSpotTypeResolvedImpl) holder()).constantPool(); |
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parents:
diff
changeset
|
239 } |
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parents:
diff
changeset
|
240 |
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parents:
diff
changeset
|
241 public void dumpProfile() { |
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parents:
diff
changeset
|
242 TTY.println("profile info for %s", this); |
e233f5660da4
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parents:
diff
changeset
|
243 TTY.println("canBeStaticallyBound: " + canBeStaticallyBound()); |
e233f5660da4
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parents:
diff
changeset
|
244 TTY.println("invocationCount: " + invocationCount()); |
4440
271220b49abc
profiling info fixes
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parents:
4439
diff
changeset
|
245 RiProfilingInfo profilingInfo = this.profilingInfo(); |
3733
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parents:
diff
changeset
|
246 for (int i = 0; i < codeSize(); i++) { |
4440
271220b49abc
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4439
diff
changeset
|
247 if (profilingInfo.getExecutionCount(i) != -1) { |
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profiling info fixes
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4439
diff
changeset
|
248 TTY.println(" executionCount@%d: %d", i, profilingInfo.getExecutionCount(i)); |
3733
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parents:
diff
changeset
|
249 } |
4440
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parents:
4439
diff
changeset
|
250 |
271220b49abc
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parents:
4439
diff
changeset
|
251 if (profilingInfo.getBranchTakenProbability(i) != -1) { |
271220b49abc
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parents:
4439
diff
changeset
|
252 TTY.println(" branchProbability@%d: %f", i, profilingInfo.getBranchTakenProbability(i)); |
3733
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parents:
diff
changeset
|
253 } |
4440
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4439
diff
changeset
|
254 |
271220b49abc
profiling info fixes
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diff
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255 double[] switchProbabilities = profilingInfo.getSwitchProbabilities(i); |
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256 if (switchProbabilities != null) { |
4444 | 257 TTY.print(" switchProbabilities@%d:", i); |
4440
271220b49abc
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258 for (int j = 0; j < switchProbabilities.length; j++) { |
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259 TTY.print(" %f", switchProbabilities[j]); |
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260 } |
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261 TTY.println(); |
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262 } |
4440
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parents:
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diff
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|
263 |
4527
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fixed exceptionSeen profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents:
4467
diff
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|
264 if (profilingInfo.getExceptionSeen(i) != RiExceptionSeen.FALSE) { |
a0cca63cd366
fixed exceptionSeen profiling information
Christian Haeubl <christian.haeubl@oracle.com>
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265 TTY.println(" exceptionSeen@%d: %s", i, profilingInfo.getExceptionSeen(i).name()); |
4440
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266 } |
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267 |
4441
4e3aaf14cbc6
fixed graal to hotspot
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4440
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268 RiTypeProfile typeProfile = profilingInfo.getTypeProfile(i); |
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Christian Haeubl <christian.haeubl@oracle.com>
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269 if (typeProfile != null) { |
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270 RiResolvedType[] types = typeProfile.getTypes(); |
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271 double[] probabilities = typeProfile.getProbabilities(); |
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272 if (types != null && probabilities != null) { |
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273 assert types.length == probabilities.length : "length must match"; |
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274 TTY.print(" types@%d:", i); |
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275 for (int j = 0; j < types.length; j++) { |
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276 TTY.print(" %s (%f)", types[j], probabilities[j]); |
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277 } |
4456
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inlining bugfixes and cleanup
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278 TTY.println(" not recorded (%f)", typeProfile.getNotRecordedProbability()); |
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279 } |
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280 } |
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281 } |
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282 } |
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283 |
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284 @Override |
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285 public Annotation[][] getParameterAnnotations() { |
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286 if (isConstructor()) { |
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287 Constructor javaConstructor = toJavaConstructor(); |
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288 return javaConstructor == null ? null : javaConstructor.getParameterAnnotations(); |
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289 } |
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290 Method javaMethod = toJava(); |
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291 return javaMethod == null ? null : javaMethod.getParameterAnnotations(); |
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292 } |
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293 |
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294 @Override |
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295 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) { |
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296 if (isConstructor()) { |
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297 Constructor<?> javaConstructor = toJavaConstructor(); |
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298 return javaConstructor == null ? null : javaConstructor.getAnnotation(annotationClass); |
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299 } |
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300 Method javaMethod = toJava(); |
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301 return javaMethod == null ? null : javaMethod.getAnnotation(annotationClass); |
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302 } |
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303 |
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304 @Override |
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305 public Type getGenericReturnType() { |
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306 if (isConstructor()) { |
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307 return void.class; |
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308 } |
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309 Method javaMethod = toJava(); |
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310 return javaMethod == null ? null : javaMethod.getGenericReturnType(); |
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311 } |
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312 |
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313 @Override |
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314 public Type[] getGenericParameterTypes() { |
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315 if (isConstructor()) { |
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316 Constructor javaConstructor = toJavaConstructor(); |
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317 return javaConstructor == null ? null : javaConstructor.getGenericParameterTypes(); |
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318 } |
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|
319 Method javaMethod = toJava(); |
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320 return javaMethod == null ? null : javaMethod.getGenericParameterTypes(); |
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|
321 } |
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|
322 |
e233f5660da4
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|
323 private Method toJava() { |
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|
324 try { |
4600
4c417ce1b8c8
Fix possible NullPointerException in HotSpotMethodResolvedImpl.toJava
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4597
diff
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|
325 return holder.toJava().getDeclaredMethod(name, CiUtil.signatureToTypes(signature(), holder)); |
3733
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|
326 } catch (NoSuchMethodException e) { |
e233f5660da4
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parents:
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|
327 return null; |
e233f5660da4
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parents:
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|
328 } |
e233f5660da4
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parents:
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|
329 } |
e233f5660da4
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parents:
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|
330 |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
331 private Constructor toJavaConstructor() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
332 try { |
4600
4c417ce1b8c8
Fix possible NullPointerException in HotSpotMethodResolvedImpl.toJava
Andreas Woess <andreas.woess@jku.at>
parents:
4597
diff
changeset
|
333 return holder.toJava().getDeclaredConstructor(CiUtil.signatureToTypes(signature(), holder)); |
3733
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parents:
diff
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|
334 } catch (NoSuchMethodException e) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
335 return null; |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
336 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
337 } |
4296
d089b71a5237
Add possibility to disable inlining for specific methods.
Andreas Woess <andreas.woess@jku.at>
parents:
4220
diff
changeset
|
338 |
d089b71a5237
Add possibility to disable inlining for specific methods.
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parents:
4220
diff
changeset
|
339 @Override |
d089b71a5237
Add possibility to disable inlining for specific methods.
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parents:
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diff
changeset
|
340 public boolean canBeInlined() { |
4319
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
Andreas Woess <andreas.woess@jku.at>
parents:
4296
diff
changeset
|
341 return canBeInlined && callback == null; |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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4296
diff
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|
342 } |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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4296
diff
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|
343 public void neverInline() { |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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parents:
4296
diff
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|
344 this.canBeInlined = false; |
4296
d089b71a5237
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4220
diff
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|
345 } |
d089b71a5237
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diff
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|
346 |
4319
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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4296
diff
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|
347 public CiGenericCallback callback() { |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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diff
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|
348 return callback; |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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diff
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|
349 } |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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diff
changeset
|
350 public void setCallback(CiGenericCallback callback) { |
3c21eee8ab4d
Add installMethodCallback() to HotSpotRuntime.
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4296
diff
changeset
|
351 this.callback = callback; |
4296
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Add possibility to disable inlining for specific methods.
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parents:
4220
diff
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|
352 } |
5000
b5dc2403c1e7
add option to inline VTable stubs
Lukas Stadler <lukas.stadler@jku.at>
parents:
4600
diff
changeset
|
353 |
b5dc2403c1e7
add option to inline VTable stubs
Lukas Stadler <lukas.stadler@jku.at>
parents:
4600
diff
changeset
|
354 @Override |
b5dc2403c1e7
add option to inline VTable stubs
Lukas Stadler <lukas.stadler@jku.at>
parents:
4600
diff
changeset
|
355 public int vtableEntryOffset() { |
5003
5e6f1026a63e
fixes to vtable stub inlining: compute offset on demand, look out for interface methods
Lukas Stadler <lukas.stadler@jku.at>
parents:
5000
diff
changeset
|
356 return compiler.getVMEntries().RiMethod_vtableEntryOffset(this); |
5000
b5dc2403c1e7
add option to inline VTable stubs
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parents:
4600
diff
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|
357 } |
3733
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parents:
diff
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|
358 } |