Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/Method.java @ 20456:64156d22e49d
8032247: SA: Constantpool lookup for invokedynamic is not implemented
Summary: implement constant pool lookup for invokedynamic
Reviewed-by: sla, sspitsyn
| author | dsamersoff |
|---|---|
| date | Thu, 11 Sep 2014 11:55:30 -0700 |
| parents | cbfe859bd244 |
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| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.oops; | |
| 26 | |
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27 import java.io.PrintStream; |
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28 import java.util.Observable; |
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29 import java.util.Observer; |
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30 |
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31 import sun.jvm.hotspot.code.NMethod; |
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32 import sun.jvm.hotspot.debugger.Address; |
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33 import sun.jvm.hotspot.interpreter.OopMapCacheEntry; |
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34 import sun.jvm.hotspot.runtime.SignatureConverter; |
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35 import sun.jvm.hotspot.runtime.VM; |
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36 import sun.jvm.hotspot.runtime.VMObjectFactory; |
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37 import sun.jvm.hotspot.types.AddressField; |
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38 import sun.jvm.hotspot.types.Type; |
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39 import sun.jvm.hotspot.types.TypeDataBase; |
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40 import sun.jvm.hotspot.types.WrongTypeException; |
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41 import sun.jvm.hotspot.utilities.Assert; |
| 0 | 42 |
| 43 // A Method represents a Java method | |
| 44 | |
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45 public class Method extends Metadata { |
| 0 | 46 static { |
| 47 VM.registerVMInitializedObserver(new Observer() { | |
| 48 public void update(Observable o, Object data) { | |
| 49 initialize(VM.getVM().getTypeDataBase()); | |
| 50 } | |
| 51 }); | |
| 52 } | |
| 53 | |
| 54 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
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55 Type type = db.lookupType("Method"); |
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56 constMethod = type.getAddressField("_constMethod"); |
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57 methodData = type.getAddressField("_method_data"); |
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58 methodCounters = type.getAddressField("_method_counters"); |
| 0 | 59 methodSize = new CIntField(type.getCIntegerField("_method_size"), 0); |
| 60 accessFlags = new CIntField(type.getCIntegerField("_access_flags"), 0); | |
| 61 code = type.getAddressField("_code"); | |
| 62 vtableIndex = new CIntField(type.getCIntegerField("_vtable_index"), 0); | |
| 63 bytecodeOffset = type.getSize(); | |
| 64 | |
| 65 /* | |
| 66 interpreterEntry = type.getAddressField("_interpreter_entry"); | |
| 67 fromCompiledCodeEntryPoint = type.getAddressField("_from_compiled_code_entry_point"); | |
| 68 | |
| 69 */ | |
| 70 objectInitializerName = null; | |
| 71 classInitializerName = null; | |
| 72 } | |
| 73 | |
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74 public Method(Address addr) { |
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75 super(addr); |
| 0 | 76 } |
| 77 | |
| 78 public boolean isMethod() { return true; } | |
| 79 | |
| 80 // Fields | |
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81 private static AddressField constMethod; |
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82 private static AddressField methodData; |
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83 private static AddressField methodCounters; |
| 0 | 84 private static CIntField methodSize; |
| 85 private static CIntField accessFlags; | |
| 86 private static CIntField vtableIndex; | |
| 87 private static long bytecodeOffset; | |
| 88 | |
| 89 private static AddressField code; | |
| 90 | |
| 91 // constant method names - <init>, <clinit> | |
| 92 // Initialized lazily to avoid initialization ordering dependencies between Method and SymbolTable | |
| 93 private static Symbol objectInitializerName; | |
| 94 private static Symbol classInitializerName; | |
| 95 private static Symbol objectInitializerName() { | |
| 96 if (objectInitializerName == null) { | |
| 97 objectInitializerName = VM.getVM().getSymbolTable().probe("<init>"); | |
| 98 } | |
| 99 return objectInitializerName; | |
| 100 } | |
| 101 private static Symbol classInitializerName() { | |
| 102 if (classInitializerName == null) { | |
| 103 classInitializerName = VM.getVM().getSymbolTable().probe("<clinit>"); | |
| 104 } | |
| 105 return classInitializerName; | |
| 106 } | |
| 107 | |
| 108 | |
| 109 /* | |
| 110 private static AddressCField interpreterEntry; | |
| 111 private static AddressCField fromCompiledCodeEntryPoint; | |
| 112 */ | |
| 113 | |
| 114 // Accessors for declared fields | |
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115 public ConstMethod getConstMethod() { |
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116 Address addr = constMethod.getValue(getAddress()); |
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117 return (ConstMethod) VMObjectFactory.newObject(ConstMethod.class, addr); |
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118 } |
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119 public ConstantPool getConstants() { |
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120 return getConstMethod().getConstants(); |
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121 } |
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122 public MethodData getMethodData() { |
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123 Address addr = methodData.getValue(getAddress()); |
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124 return (MethodData) VMObjectFactory.newObject(MethodData.class, addr); |
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125 } |
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126 public MethodCounters getMethodCounters() { |
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127 Address addr = methodCounters.getValue(getAddress()); |
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128 return (MethodCounters) VMObjectFactory.newObject(MethodCounters.class, addr); |
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129 } |
| 0 | 130 /** WARNING: this is in words, not useful in this system; use getObjectSize() instead */ |
| 131 public long getMethodSize() { return methodSize.getValue(this); } | |
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132 public long getMaxStack() { return getConstMethod().getMaxStack(); } |
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133 public long getMaxLocals() { return getConstMethod().getMaxLocals(); } |
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134 public long getSizeOfParameters() { return getConstMethod().getSizeOfParameters(); } |
| 0 | 135 public long getNameIndex() { return getConstMethod().getNameIndex(); } |
| 136 public long getSignatureIndex() { return getConstMethod().getSignatureIndex(); } | |
| 137 public long getGenericSignatureIndex() { return getConstMethod().getGenericSignatureIndex(); } | |
| 138 public long getAccessFlags() { return accessFlags.getValue(this); } | |
| 139 public long getCodeSize() { return getConstMethod().getCodeSize(); } | |
| 140 public long getVtableIndex() { return vtableIndex.getValue(this); } | |
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141 public long getInvocationCount() { |
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142 MethodCounters mc = getMethodCounters(); |
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143 return mc == null ? 0 : mc.getInvocationCounter(); |
| 0 | 144 } |
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145 public long getBackedgeCount() { |
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146 MethodCounters mc = getMethodCounters(); |
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147 return mc == null ? 0 : mc.getBackedgeCounter(); |
| 3939 | 148 } |
| 0 | 149 |
| 150 // get associated compiled native method, if available, else return null. | |
| 151 public NMethod getNativeMethod() { | |
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152 Address addr = code.getValue(getAddress()); |
| 0 | 153 return (NMethod) VMObjectFactory.newObject(NMethod.class, addr); |
| 154 } | |
| 155 | |
| 156 // Convenience routine | |
| 157 public AccessFlags getAccessFlagsObj() { | |
| 158 return new AccessFlags(getAccessFlags()); | |
| 159 } | |
| 160 | |
| 161 /** Get a bytecode or breakpoint at the given bci */ | |
| 162 public int getBytecodeOrBPAt(int bci) { | |
| 163 return getConstMethod().getBytecodeOrBPAt(bci); | |
| 164 } | |
| 165 | |
| 166 /** Fetch the original non-breakpoint bytecode at the specified | |
| 167 bci. It is required that there is currently a bytecode at this | |
| 168 bci. */ | |
| 169 public int getOrigBytecodeAt(int bci) { | |
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170 BreakpointInfo bp = getMethodHolder().getBreakpoints(); |
| 0 | 171 for (; bp != null; bp = bp.getNext()) { |
| 172 if (bp.match(this, bci)) { | |
| 173 return bp.getOrigBytecode(); | |
| 174 } | |
| 175 } | |
| 176 System.err.println("Requested bci " + bci); | |
| 177 for (; bp != null; bp = bp.getNext()) { | |
| 178 System.err.println("Breakpoint at bci " + bp.getBCI() + ", bytecode " + | |
| 179 bp.getOrigBytecode()); | |
| 180 } | |
| 181 Assert.that(false, "Should not reach here"); | |
| 182 return -1; // not reached | |
| 183 } | |
| 184 | |
| 185 public byte getBytecodeByteArg(int bci) { | |
| 186 return getConstMethod().getBytecodeByteArg(bci); | |
| 187 } | |
| 188 | |
| 189 /** Fetches a 16-bit big-endian ("Java ordered") value from the | |
| 190 bytecode stream */ | |
| 191 public short getBytecodeShortArg(int bci) { | |
| 192 return getConstMethod().getBytecodeShortArg(bci); | |
| 193 } | |
| 194 | |
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195 /** Fetches a 16-bit native ordered value from the |
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196 bytecode stream */ |
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197 public short getNativeShortArg(int bci) { |
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198 return getConstMethod().getNativeShortArg(bci); |
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199 } |
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200 |
| 0 | 201 /** Fetches a 32-bit big-endian ("Java ordered") value from the |
| 202 bytecode stream */ | |
| 203 public int getBytecodeIntArg(int bci) { | |
| 204 return getConstMethod().getBytecodeIntArg(bci); | |
| 205 } | |
| 206 | |
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207 /** Fetches a 32-bit native ordered value from the |
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208 bytecode stream */ |
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209 public int getNativeIntArg(int bci) { |
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210 return getConstMethod().getNativeIntArg(bci); |
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211 } |
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212 |
| 0 | 213 public byte[] getByteCode() { |
| 214 return getConstMethod().getByteCode(); | |
| 215 } | |
| 216 | |
| 217 /* | |
| 218 public Address getCode() { return codeField.getValue(this); } | |
| 219 public Address getInterpreterEntry() { return interpreterEntryField.getValue(this); } | |
| 220 public Address getFromCompiledCodeEntryPoint() { return fromCompiledCodeEntryPointField.getValue(this); } | |
| 221 */ | |
| 222 // Accessors | |
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223 public Symbol getName() { return getConstants().getSymbolAt(getNameIndex()); } |
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224 public Symbol getSignature() { return getConstants().getSymbolAt(getSignatureIndex()); } |
| 0 | 225 public Symbol getGenericSignature() { |
| 226 long index = getGenericSignatureIndex(); | |
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227 return (index != 0L) ? getConstants().getSymbolAt(index) : null; |
| 0 | 228 } |
| 229 | |
| 230 // Method holder (the Klass holding this method) | |
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231 public InstanceKlass getMethodHolder() { return getConstants().getPoolHolder(); } |
| 0 | 232 |
| 233 // Access flags | |
| 234 public boolean isPublic() { return getAccessFlagsObj().isPublic(); } | |
| 235 public boolean isPrivate() { return getAccessFlagsObj().isPrivate(); } | |
| 236 public boolean isProtected() { return getAccessFlagsObj().isProtected(); } | |
| 237 public boolean isPackagePrivate() { AccessFlags af = getAccessFlagsObj(); | |
| 238 return (!af.isPublic() && !af.isPrivate() && !af.isProtected()); } | |
| 239 public boolean isStatic() { return getAccessFlagsObj().isStatic(); } | |
| 240 public boolean isFinal() { return getAccessFlagsObj().isFinal(); } | |
| 241 public boolean isSynchronized() { return getAccessFlagsObj().isSynchronized(); } | |
| 242 public boolean isBridge() { return getAccessFlagsObj().isBridge(); } | |
| 243 public boolean isVarArgs() { return getAccessFlagsObj().isVarArgs(); } | |
| 244 public boolean isNative() { return getAccessFlagsObj().isNative(); } | |
| 245 public boolean isAbstract() { return getAccessFlagsObj().isAbstract(); } | |
| 246 public boolean isStrict() { return getAccessFlagsObj().isStrict(); } | |
| 247 public boolean isSynthetic() { return getAccessFlagsObj().isSynthetic(); } | |
| 248 | |
| 249 public boolean isConstructor() { | |
| 250 return (!isStatic()) && getName().equals(objectInitializerName()); | |
| 251 } | |
| 252 | |
| 253 public boolean isStaticInitializer() { | |
| 254 return isStatic() && getName().equals(classInitializerName()); | |
| 255 } | |
| 256 | |
| 257 public boolean isObsolete() { | |
| 258 return getAccessFlagsObj().isObsolete(); | |
| 259 } | |
| 260 | |
| 261 public OopMapCacheEntry getMaskFor(int bci) { | |
| 262 OopMapCacheEntry entry = new OopMapCacheEntry(); | |
| 263 entry.fill(this, bci); | |
| 264 return entry; | |
| 265 } | |
| 266 | |
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267 public long getSize() { |
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268 return getMethodSize(); |
| 0 | 269 } |
| 270 | |
| 271 public void printValueOn(PrintStream tty) { | |
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272 tty.print("Method " + getName().asString() + getSignature().asString() + "@" + getAddress()); |
| 0 | 273 } |
| 274 | |
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275 public void iterateFields(MetadataVisitor visitor) { |
| 0 | 276 visitor.doCInt(methodSize, true); |
| 277 visitor.doCInt(accessFlags, true); | |
| 278 } | |
| 279 | |
| 280 public boolean hasLineNumberTable() { | |
| 281 return getConstMethod().hasLineNumberTable(); | |
| 282 } | |
| 283 | |
| 284 public int getLineNumberFromBCI(int bci) { | |
| 285 return getConstMethod().getLineNumberFromBCI(bci); | |
| 286 } | |
| 287 | |
| 288 public LineNumberTableElement[] getLineNumberTable() { | |
| 289 return getConstMethod().getLineNumberTable(); | |
| 290 } | |
| 291 | |
| 292 public boolean hasLocalVariableTable() { | |
| 293 return getConstMethod().hasLocalVariableTable(); | |
| 294 } | |
| 295 | |
| 296 /** Should only be called if table is present */ | |
| 297 public LocalVariableTableElement[] getLocalVariableTable() { | |
| 298 return getConstMethod().getLocalVariableTable(); | |
| 299 } | |
| 300 | |
| 301 public Symbol getLocalVariableName(int bci, int slot) { | |
| 302 if (! hasLocalVariableTable()) { | |
| 303 return null; | |
| 304 } | |
| 305 | |
| 306 LocalVariableTableElement[] locals = getLocalVariableTable(); | |
| 307 for (int l = 0; l < locals.length; l++) { | |
| 308 LocalVariableTableElement local = locals[l]; | |
| 309 if ((bci >= local.getStartBCI()) && | |
| 310 (bci < (local.getStartBCI() + local.getLength())) && | |
| 311 slot == local.getSlot()) { | |
| 312 return getConstants().getSymbolAt(local.getNameCPIndex()); | |
| 313 } | |
| 314 } | |
| 315 | |
| 316 return null; | |
| 317 } | |
| 318 | |
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319 public boolean hasExceptionTable() { |
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320 return getConstMethod().hasExceptionTable(); |
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321 } |
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322 |
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323 public ExceptionTableElement[] getExceptionTable() { |
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324 return getConstMethod().getExceptionTable(); |
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325 } |
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326 |
| 0 | 327 public boolean hasCheckedExceptions() { |
| 328 return getConstMethod().hasCheckedExceptions(); | |
| 329 } | |
| 330 | |
| 331 /** Should only be called if table is present */ | |
| 332 public CheckedExceptionElement[] getCheckedExceptions() { | |
| 333 return getConstMethod().getCheckedExceptions(); | |
| 334 } | |
| 335 | |
| 336 /** Returns name and signature in external form for debugging | |
| 337 purposes */ | |
| 338 public String externalNameAndSignature() { | |
| 339 final StringBuffer buf = new StringBuffer(); | |
| 340 buf.append(getMethodHolder().getName().asString()); | |
| 341 buf.append("."); | |
| 342 buf.append(getName().asString()); | |
| 343 buf.append("("); | |
| 344 new SignatureConverter(getSignature(), buf).iterateParameters(); | |
| 345 buf.append(")"); | |
| 346 return buf.toString().replace('/', '.'); | |
| 347 } | |
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348 |
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349 public void dumpReplayData(PrintStream out) { |
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350 NMethod nm = getNativeMethod(); |
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351 int code_size = 0; |
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352 if (nm != null) { |
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353 code_size = (int)nm.codeEnd().minus(nm.getVerifiedEntryPoint()); |
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354 } |
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355 Klass holder = getMethodHolder(); |
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356 out.println("ciMethod " + |
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357 holder.getName().asString() + " " + |
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358 OopUtilities.escapeString(getName().asString()) + " " + |
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359 getSignature().asString() + " " + |
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360 getInvocationCount() + " " + |
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361 getBackedgeCount() + " " + |
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362 interpreterInvocationCount() + " " + |
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363 interpreterThrowoutCount() + " " + |
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364 code_size); |
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365 } |
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366 |
| 3939 | 367 public int interpreterThrowoutCount() { |
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368 return getMethodCounters().interpreterThrowoutCount(); |
| 3939 | 369 } |
| 370 | |
| 371 public int interpreterInvocationCount() { | |
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372 return getMethodCounters().interpreterInvocationCount(); |
| 3939 | 373 } |
| 0 | 374 } |