Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteDebuggerClient.java @ 6842:b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp
| author | mikael |
|---|---|
| date | Tue, 09 Oct 2012 10:09:34 -0700 |
| parents | a9fed06c01d2 |
| children | 8e47bac5643a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 2012, 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.debugger.remote; | |
| 26 | |
| 27 import java.rmi.*; | |
| 28 import java.util.*; | |
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29 import java.lang.reflect.*; |
| 0 | 30 |
| 31 import sun.jvm.hotspot.debugger.*; | |
| 32 import sun.jvm.hotspot.debugger.cdbg.*; | |
| 33 import sun.jvm.hotspot.debugger.remote.sparc.*; | |
| 34 import sun.jvm.hotspot.debugger.remote.x86.*; | |
| 35 import sun.jvm.hotspot.debugger.remote.amd64.*; | |
| 36 | |
| 37 /** An implementation of Debugger which wraps a | |
| 38 RemoteDebugger, providing remote debugging via RMI. | |
| 39 This implementation provides caching of the remote process's | |
| 40 address space on the local machine where the user interface is | |
| 41 running. */ | |
| 42 | |
| 43 public class RemoteDebuggerClient extends DebuggerBase implements JVMDebugger { | |
| 44 private RemoteDebugger remoteDebugger; | |
| 45 private RemoteThreadFactory threadFactory; | |
| 46 private boolean unalignedAccessesOkay = false; | |
| 47 private static final int cacheSize = 16 * 1024 * 1024; // 16 MB | |
| 48 | |
| 49 public RemoteDebuggerClient(RemoteDebugger remoteDebugger) throws DebuggerException { | |
| 50 super(); | |
| 51 try { | |
| 52 this.remoteDebugger = remoteDebugger; | |
| 53 machDesc = remoteDebugger.getMachineDescription(); | |
| 54 utils = new DebuggerUtilities(machDesc.getAddressSize(), machDesc.isBigEndian()); | |
| 55 int cacheNumPages; | |
| 56 int cachePageSize; | |
| 57 String cpu = remoteDebugger.getCPU(); | |
| 58 // page size. (FIXME: should pick this up from the remoteDebugger.) | |
| 59 if (cpu.equals("sparc")) { | |
| 60 threadFactory = new RemoteSPARCThreadFactory(this); | |
| 61 cachePageSize = 8192; | |
| 62 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
| 63 } else if (cpu.equals("x86")) { | |
| 64 threadFactory = new RemoteX86ThreadFactory(this); | |
| 65 cachePageSize = 4096; | |
| 66 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
| 67 unalignedAccessesOkay = true; | |
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68 } else if (cpu.equals("amd64") || cpu.equals("x86_64")) { |
| 0 | 69 threadFactory = new RemoteAMD64ThreadFactory(this); |
| 70 cachePageSize = 4096; | |
| 71 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
| 72 unalignedAccessesOkay = true; | |
| 73 } else { | |
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74 try { |
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75 Class tf = Class.forName("sun.jvm.hotspot.debugger.remote." + |
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76 cpu.toLowerCase() + ".Remote" + cpu.toUpperCase() + |
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77 "ThreadFactory"); |
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78 Constructor[] ctf = tf.getConstructors(); |
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79 threadFactory = (RemoteThreadFactory)ctf[0].newInstance(this); |
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80 } catch (Exception e) { |
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81 throw new DebuggerException("Thread access for CPU architecture " + cpu + " not yet supported"); |
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82 } |
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83 cachePageSize = 4096; |
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84 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); |
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85 unalignedAccessesOkay = false; |
| 0 | 86 } |
| 87 | |
| 88 // Cache portion of the remote process's address space. | |
| 89 initCache(cachePageSize, cacheNumPages); | |
| 90 | |
| 91 jbooleanSize = remoteDebugger.getJBooleanSize(); | |
| 92 jbyteSize = remoteDebugger.getJByteSize(); | |
| 93 jcharSize = remoteDebugger.getJCharSize(); | |
| 94 jdoubleSize = remoteDebugger.getJDoubleSize(); | |
| 95 jfloatSize = remoteDebugger.getJFloatSize(); | |
| 96 jintSize = remoteDebugger.getJIntSize(); | |
| 97 jlongSize = remoteDebugger.getJLongSize(); | |
| 98 jshortSize = remoteDebugger.getJShortSize(); | |
| 99 javaPrimitiveTypesConfigured = true; | |
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100 narrowOopBase = remoteDebugger.getNarrowOopBase(); |
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101 narrowOopShift = remoteDebugger.getNarrowOopShift(); |
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102 heapOopSize = remoteDebugger.getHeapOopSize(); |
| 0 | 103 } |
| 104 catch (RemoteException e) { | |
| 105 throw new DebuggerException(e); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 public long[] getThreadIntegerRegisterSet(Address addr) { | |
| 110 try { | |
| 111 return remoteDebugger.getThreadIntegerRegisterSet(getAddressValue(addr), true); | |
| 112 } | |
| 113 catch (RemoteException e) { | |
| 114 throw new DebuggerException(e); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 public long[] getThreadIntegerRegisterSet(long id) { | |
| 119 try { | |
| 120 return remoteDebugger.getThreadIntegerRegisterSet(id, false); | |
| 121 } | |
| 122 catch (RemoteException e) { | |
| 123 throw new DebuggerException(e); | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
| 128 public boolean hasProcessList() throws DebuggerException { | |
| 129 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 130 } | |
| 131 | |
| 132 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
| 133 public List getProcessList() throws DebuggerException { | |
| 134 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 135 } | |
| 136 | |
| 137 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
| 138 public void attach(int processID) throws DebuggerException { | |
| 139 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 140 } | |
| 141 | |
| 142 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
| 143 public void attach(String executableName, String coreFileName) throws DebuggerException { | |
| 144 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 145 } | |
| 146 | |
| 147 /** Unimplemented in this class (remote remoteDebugger can not be detached) */ | |
| 148 public boolean detach() { | |
| 149 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 150 } | |
| 151 | |
| 152 public Address parseAddress(String addressString) throws NumberFormatException { | |
| 153 long addr = utils.scanAddress(addressString); | |
| 154 if (addr == 0) { | |
| 155 return null; | |
| 156 } | |
| 157 return new RemoteAddress(this, addr); | |
| 158 } | |
| 159 | |
| 160 public String getOS() throws DebuggerException { | |
| 161 try { | |
| 162 return remoteDebugger.getOS(); | |
| 163 } | |
| 164 catch (RemoteException e) { | |
| 165 throw new DebuggerException(e); | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 public String getCPU() { | |
| 170 try { | |
| 171 return remoteDebugger.getCPU(); | |
| 172 } | |
| 173 catch (RemoteException e) { | |
| 174 throw new DebuggerException(e); | |
| 175 } | |
| 176 } | |
| 177 | |
| 178 public boolean hasConsole() throws DebuggerException { | |
| 179 try { | |
| 180 return remoteDebugger.hasConsole(); | |
| 181 } catch (RemoteException e) { | |
| 182 throw new DebuggerException(e); | |
| 183 } | |
| 184 } | |
| 185 | |
| 186 public String consoleExecuteCommand(String cmd) throws DebuggerException { | |
| 187 try { | |
| 188 return remoteDebugger.consoleExecuteCommand(cmd); | |
| 189 } | |
| 190 catch (RemoteException e) { | |
| 191 throw new DebuggerException(e); | |
| 192 } | |
| 193 } | |
| 194 | |
| 195 public String getConsolePrompt() throws DebuggerException { | |
| 196 try { | |
| 197 return remoteDebugger.getConsolePrompt(); | |
| 198 } catch (RemoteException e) { | |
| 199 throw new DebuggerException(e); | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 public CDebugger getCDebugger() throws DebuggerException { | |
| 204 return null; | |
| 205 } | |
| 206 | |
| 207 //-------------------------------------------------------------------------------- | |
| 208 // Implementation of SymbolLookup interface | |
| 209 | |
| 210 public Address lookup(String objectName, String symbol) { | |
| 211 try { | |
| 212 long addr = remoteDebugger.lookupInProcess(objectName, symbol); | |
| 213 if (addr == 0) { | |
| 214 return null; | |
| 215 } | |
| 216 return new RemoteAddress(this, addr); | |
| 217 } | |
| 218 catch (RemoteException e) { | |
| 219 throw new DebuggerException(e); | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 public OopHandle lookupOop(String objectName, String symbol) { | |
| 224 try { | |
| 225 long addr = remoteDebugger.lookupInProcess(objectName, symbol); | |
| 226 if (addr == 0) { | |
| 227 return null; | |
| 228 } | |
| 229 return new RemoteOopHandle(this, addr); | |
| 230 } | |
| 231 catch (RemoteException e) { | |
| 232 throw new DebuggerException(e); | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 /** Need to override this to relax alignment checks on x86. */ | |
| 237 public long readCInteger(long address, long numBytes, boolean isUnsigned) | |
| 238 throws UnmappedAddressException, UnalignedAddressException { | |
| 239 if (!unalignedAccessesOkay) { | |
| 240 utils.checkAlignment(address, numBytes); | |
| 241 } else { | |
| 242 // Only slightly relaxed semantics -- this is a hack, but is | |
| 243 // necessary on x86 where it seems the compiler is | |
| 244 // putting some global 64-bit data on 32-bit boundaries | |
| 245 if (numBytes == 8) { | |
| 246 utils.checkAlignment(address, 4); | |
| 247 } else { | |
| 248 utils.checkAlignment(address, numBytes); | |
| 249 } | |
| 250 } | |
| 251 byte[] data = readBytes(address, numBytes); | |
| 252 return utils.dataToCInteger(data, isUnsigned); | |
| 253 } | |
| 254 | |
| 255 // Overridden from DebuggerBase because we need to relax alignment | |
| 256 // constraints on x86 | |
| 257 public long readJLong(long address) | |
| 258 throws UnmappedAddressException, UnalignedAddressException { | |
| 259 // FIXME: allow this to be configurable. Undesirable to add a | |
| 260 // dependency on the runtime package here, though, since this | |
| 261 // package should be strictly underneath it. | |
| 262 if (unalignedAccessesOkay) { | |
| 263 utils.checkAlignment(address, jintSize); | |
| 264 } else { | |
| 265 utils.checkAlignment(address, jlongSize); | |
| 266 } | |
| 267 byte[] data = readBytes(address, jlongSize); | |
| 268 return utils.dataToJLong(data, jlongSize); | |
| 269 } | |
| 270 | |
| 271 | |
| 272 //-------------------------------------------------------------------------------- | |
| 273 // Implementation of JVMDebugger interface | |
| 274 // | |
| 275 | |
| 276 /** Unimplemented in this class (remote remoteDebugger should already be configured) */ | |
| 277 public void configureJavaPrimitiveTypeSizes(long jbooleanSize, | |
| 278 long jbyteSize, | |
| 279 long jcharSize, | |
| 280 long jdoubleSize, | |
| 281 long jfloatSize, | |
| 282 long jintSize, | |
| 283 long jlongSize, | |
| 284 long jshortSize) { | |
| 285 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 286 } | |
| 287 | |
| 288 public void setMachineDescription(MachineDescription machDesc) { | |
| 289 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 290 } | |
| 291 | |
| 292 public int getRemoteProcessAddressSize() { | |
| 293 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
| 294 } | |
| 295 | |
| 296 public String addressValueToString(long addr) { | |
| 297 return utils.addressValueToString(addr); | |
| 298 } | |
| 299 | |
| 300 public long getAddressValue(Address addr) throws DebuggerException { | |
| 301 if (addr == null) return 0; | |
| 302 return ((RemoteAddress) addr).getValue(); | |
| 303 } | |
| 304 | |
| 305 public Address newAddress(long value) { | |
| 306 if (value == 0) return null; | |
| 307 return new RemoteAddress(this, value); | |
| 308 } | |
| 309 | |
| 310 RemoteAddress readAddress(long address) | |
| 311 throws UnmappedAddressException, UnalignedAddressException { | |
| 312 long value = readAddressValue(address); | |
| 313 return (value == 0 ? null : new RemoteAddress(this, value)); | |
| 314 } | |
| 315 | |
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316 RemoteAddress readCompOopAddress(long address) |
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317 throws UnmappedAddressException, UnalignedAddressException { |
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318 long value = readCompOopAddressValue(address); |
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319 return (value == 0 ? null : new RemoteAddress(this, value)); |
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320 } |
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321 |
| 0 | 322 RemoteOopHandle readOopHandle(long address) |
| 323 throws UnmappedAddressException, UnalignedAddressException, NotInHeapException { | |
| 324 long value = readAddressValue(address); | |
| 325 return (value == 0 ? null : new RemoteOopHandle(this, value)); | |
| 326 } | |
| 327 | |
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328 RemoteOopHandle readCompOopHandle(long address) |
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329 throws UnmappedAddressException, UnalignedAddressException, NotInHeapException { |
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330 long value = readCompOopAddressValue(address); |
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331 return (value == 0 ? null : new RemoteOopHandle(this, value)); |
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332 } |
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333 |
| 0 | 334 boolean areThreadsEqual(Address addr1, Address addr2) { |
| 335 try { | |
| 336 return remoteDebugger.areThreadsEqual(getAddressValue(addr1), true, | |
| 337 getAddressValue(addr2), true); | |
| 338 } catch (RemoteException e) { | |
| 339 } | |
| 340 return false; | |
| 341 } | |
| 342 | |
| 343 boolean areThreadsEqual(long id1, long id2) { | |
| 344 try { | |
| 345 return remoteDebugger.areThreadsEqual(id1, false, id2, false); | |
| 346 } catch (RemoteException e) { | |
| 347 } | |
| 348 return false; | |
| 349 } | |
| 350 | |
| 351 boolean areThreadsEqual(Address addr1, long id2) { | |
| 352 try { | |
| 353 return remoteDebugger.areThreadsEqual(getAddressValue(addr1), true, id2, false); | |
| 354 } catch (RemoteException e) { | |
| 355 } | |
| 356 return false; | |
| 357 } | |
| 358 | |
| 359 boolean areThreadsEqual(long id1, Address addr2) { | |
| 360 try { | |
| 361 return remoteDebugger.areThreadsEqual(id1, false, getAddressValue(addr2), true); | |
| 362 } catch (RemoteException e) { | |
| 363 } | |
| 364 return false; | |
| 365 } | |
| 366 | |
| 367 int getThreadHashCode(Address a) { | |
| 368 try { | |
| 369 return remoteDebugger.getThreadHashCode(getAddressValue(a), true); | |
| 370 } catch (RemoteException e) { | |
| 371 } | |
| 372 return a.hashCode(); | |
| 373 } | |
| 374 | |
| 375 int getThreadHashCode(long id) { | |
| 376 try { | |
| 377 return remoteDebugger.getThreadHashCode(id, false); | |
| 378 } catch (RemoteException e) { | |
| 379 } | |
| 380 return (int) id; | |
| 381 } | |
| 382 | |
| 383 public ThreadProxy getThreadForIdentifierAddress(Address addr) { | |
| 384 return threadFactory.createThreadWrapper(addr); | |
| 385 } | |
| 386 | |
| 387 public ThreadProxy getThreadForThreadId(long id) { | |
| 388 return threadFactory.createThreadWrapper(id); | |
| 389 } | |
| 390 | |
| 391 public MachineDescription getMachineDescription() throws DebuggerException { | |
| 392 return machDesc; | |
| 393 } | |
| 394 | |
| 395 /** This reads bytes from the remote process. */ | |
| 396 public ReadResult readBytesFromProcess(long address, long numBytes) { | |
| 397 try { | |
| 398 return remoteDebugger.readBytesFromProcess(address, numBytes); | |
| 399 } | |
| 400 catch (RemoteException e) { | |
| 401 throw new DebuggerException(e); | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 public void writeBytesToProcess(long a, long b, byte[] c) { | |
| 406 throw new DebuggerException("Unimplemented!"); | |
| 407 } | |
| 408 } |