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annotate agent/src/share/classes/sun/jvm/hotspot/HotSpotAgent.java @ 3944:35c656d0b685
7090654: nightly failures after 7086585
Reviewed-by: kvn
| author | never |
|---|---|
| date | Wed, 14 Sep 2011 13:57:32 -0700 |
| parents | f6f3bb0ee072 |
| children | f08d439fab8c |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 3939 | 2 * Copyright (c) 2000, 2011, 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; | |
| 26 | |
| 27 import java.io.PrintStream; | |
| 28 import java.net.*; | |
| 29 import java.rmi.*; | |
| 30 import sun.jvm.hotspot.debugger.*; | |
| 31 import sun.jvm.hotspot.debugger.proc.*; | |
| 32 import sun.jvm.hotspot.debugger.remote.*; | |
| 33 import sun.jvm.hotspot.debugger.windbg.*; | |
| 34 import sun.jvm.hotspot.debugger.linux.*; | |
| 35 import sun.jvm.hotspot.memory.*; | |
| 36 import sun.jvm.hotspot.oops.*; | |
| 37 import sun.jvm.hotspot.runtime.*; | |
| 38 import sun.jvm.hotspot.types.*; | |
| 39 import sun.jvm.hotspot.utilities.*; | |
| 40 | |
| 41 /** <P> This class wraps much of the basic functionality and is the | |
| 42 * highest-level factory for VM data structures. It makes it simple | |
| 43 * to start up the debugging system. </P> | |
| 44 * | |
| 45 * <P> FIXME: need to add a way to configure the paths to dbx and the | |
| 46 * DSO from the outside. However, this should work for now for | |
| 47 * internal use. </P> | |
| 48 * | |
| 49 * <P> FIXME: especially with the addition of remote debugging, this | |
| 50 * has turned into a mess; needs rethinking. </P> | |
| 51 */ | |
| 52 | |
| 53 public class HotSpotAgent { | |
| 54 private JVMDebugger debugger; | |
| 55 private MachineDescription machDesc; | |
| 56 private TypeDataBase db; | |
| 57 | |
| 58 private String os; | |
| 59 private String cpu; | |
| 60 private String fileSep; | |
| 61 | |
| 62 // The system can work in several ways: | |
| 63 // - Attaching to local process | |
| 64 // - Attaching to local core file | |
| 65 // - Connecting to remote debug server | |
| 66 // - Starting debug server for process | |
| 67 // - Starting debug server for core file | |
| 68 | |
| 69 // These are options for the "client" side of things | |
| 70 private static final int PROCESS_MODE = 0; | |
| 71 private static final int CORE_FILE_MODE = 1; | |
| 72 private static final int REMOTE_MODE = 2; | |
| 73 private int startupMode; | |
| 74 | |
| 75 // This indicates whether we are really starting a server or not | |
| 76 private boolean isServer; | |
| 77 | |
| 78 // All possible required information for connecting | |
| 79 private int pid; | |
| 80 private String javaExecutableName; | |
| 81 private String coreFileName; | |
| 82 private String debugServerID; | |
| 83 | |
| 84 // All needed information for server side | |
| 85 private String serverID; | |
| 86 | |
| 87 private String[] jvmLibNames; | |
| 88 | |
| 89 // FIXME: make these configurable, i.e., via a dotfile; also | |
| 90 // consider searching within the JDK from which this Java executable | |
| 91 // comes to find them | |
| 92 private static final String defaultDbxPathPrefix = "/net/jano.sfbay/export/disk05/hotspot/sa"; | |
| 93 private static final String defaultDbxSvcAgentDSOPathPrefix = "/net/jano.sfbay/export/disk05/hotspot/sa"; | |
| 94 | |
| 95 static void showUsage() { | |
| 96 System.out.println(" You can also pass these -D options to java to specify where to find dbx and the \n" + | |
| 97 " Serviceability Agent plugin for dbx:"); | |
| 98 System.out.println(" -DdbxPathName=<path-to-dbx-executable>\n" + | |
| 99 " Default is derived from dbxPathPrefix"); | |
| 100 System.out.println(" or"); | |
| 101 System.out.println(" -DdbxPathPrefix=<xxx>\n" + | |
| 102 " where xxx is the path name of a dir structure that contains:\n" + | |
| 103 " <os>/<arch>/bin/dbx\n" + | |
| 104 " The default is " + defaultDbxPathPrefix); | |
| 105 System.out.println(" and"); | |
| 106 System.out.println(" -DdbxSvcAgentDSOPathName=<path-to-dbx-serviceability-agent-module>\n" + | |
| 107 " Default is determined from dbxSvcAgentDSOPathPrefix"); | |
| 108 System.out.println(" or"); | |
| 109 System.out.println(" -DdbxSvcAgentDSOPathPrefix=<xxx>\n" + | |
| 110 " where xxx is the pathname of a dir structure that contains:\n" + | |
| 111 " <os>/<arch>/bin/lib/libsvc_agent_dbx.so\n" + | |
| 112 " The default is " + defaultDbxSvcAgentDSOPathPrefix); | |
| 113 } | |
| 114 | |
| 115 public HotSpotAgent() { | |
| 116 // for non-server add shutdown hook to clean-up debugger in case | |
| 117 // of forced exit. For remote server, shutdown hook is added by | |
| 118 // DebugServer. | |
| 119 Runtime.getRuntime().addShutdownHook(new java.lang.Thread( | |
| 120 new Runnable() { | |
| 121 public void run() { | |
| 122 synchronized (HotSpotAgent.this) { | |
| 123 if (!isServer) { | |
| 124 detach(); | |
| 125 } | |
| 126 } | |
| 127 } | |
| 128 })); | |
| 129 } | |
| 130 | |
| 131 //-------------------------------------------------------------------------------- | |
| 132 // Accessors (once the system is set up) | |
| 133 // | |
| 134 | |
| 135 public synchronized Debugger getDebugger() { | |
| 136 return debugger; | |
| 137 } | |
| 138 | |
| 139 public synchronized TypeDataBase getTypeDataBase() { | |
| 140 return db; | |
| 141 } | |
| 142 | |
| 143 //-------------------------------------------------------------------------------- | |
| 144 // Client-side operations | |
| 145 // | |
| 146 | |
| 147 /** This attaches to a process running on the local machine. */ | |
| 148 public synchronized void attach(int processID) | |
| 149 throws DebuggerException { | |
| 150 if (debugger != null) { | |
| 151 throw new DebuggerException("Already attached"); | |
| 152 } | |
| 153 pid = processID; | |
| 154 startupMode = PROCESS_MODE; | |
| 155 isServer = false; | |
| 156 go(); | |
| 157 } | |
| 158 | |
| 159 /** This opens a core file on the local machine */ | |
| 160 public synchronized void attach(String javaExecutableName, String coreFileName) | |
| 161 throws DebuggerException { | |
| 162 if (debugger != null) { | |
| 163 throw new DebuggerException("Already attached"); | |
| 164 } | |
| 165 if ((javaExecutableName == null) || (coreFileName == null)) { | |
| 166 throw new DebuggerException("Both the core file name and Java executable name must be specified"); | |
| 167 } | |
| 168 this.javaExecutableName = javaExecutableName; | |
| 169 this.coreFileName = coreFileName; | |
| 170 startupMode = CORE_FILE_MODE; | |
| 171 isServer = false; | |
| 172 go(); | |
| 173 } | |
| 174 | |
| 175 /** This attaches to a "debug server" on a remote machine; this | |
| 176 remote server has already attached to a process or opened a | |
| 177 core file and is waiting for RMI calls on the Debugger object to | |
| 178 come in. */ | |
| 179 public synchronized void attach(String remoteServerID) | |
| 180 throws DebuggerException { | |
| 181 if (debugger != null) { | |
| 182 throw new DebuggerException("Already attached to a process"); | |
| 183 } | |
| 184 if (remoteServerID == null) { | |
| 185 throw new DebuggerException("Debug server id must be specified"); | |
| 186 } | |
| 187 | |
| 188 debugServerID = remoteServerID; | |
| 189 startupMode = REMOTE_MODE; | |
| 190 isServer = false; | |
| 191 go(); | |
| 192 } | |
| 193 | |
| 194 /** This should only be called by the user on the client machine, | |
| 195 not the server machine */ | |
| 196 public synchronized boolean detach() throws DebuggerException { | |
| 197 if (isServer) { | |
| 198 throw new DebuggerException("Should not call detach() for server configuration"); | |
| 199 } | |
| 200 return detachInternal(); | |
| 201 } | |
| 202 | |
| 203 //-------------------------------------------------------------------------------- | |
| 204 // Server-side operations | |
| 205 // | |
| 206 | |
| 207 /** This attaches to a process running on the local machine and | |
| 208 starts a debug server, allowing remote machines to connect and | |
| 209 examine this process. Uses specified name to uniquely identify a | |
| 210 specific debuggee on the server */ | |
| 211 public synchronized void startServer(int processID, String uniqueID) { | |
| 212 if (debugger != null) { | |
| 213 throw new DebuggerException("Already attached"); | |
| 214 } | |
| 215 pid = processID; | |
| 216 startupMode = PROCESS_MODE; | |
| 217 isServer = true; | |
| 218 serverID = uniqueID; | |
| 219 go(); | |
| 220 } | |
| 221 | |
| 222 /** This attaches to a process running on the local machine and | |
| 223 starts a debug server, allowing remote machines to connect and | |
| 224 examine this process. */ | |
| 225 public synchronized void startServer(int processID) | |
| 226 throws DebuggerException { | |
| 227 startServer(processID, null); | |
| 228 } | |
| 229 | |
| 230 /** This opens a core file on the local machine and starts a debug | |
| 231 server, allowing remote machines to connect and examine this | |
| 232 core file. Uses supplied uniqueID to uniquely identify a specific | |
| 233 debugee */ | |
| 234 public synchronized void startServer(String javaExecutableName, | |
| 235 String coreFileName, | |
| 236 String uniqueID) { | |
| 237 if (debugger != null) { | |
| 238 throw new DebuggerException("Already attached"); | |
| 239 } | |
| 240 if ((javaExecutableName == null) || (coreFileName == null)) { | |
| 241 throw new DebuggerException("Both the core file name and Java executable name must be specified"); | |
| 242 } | |
| 243 this.javaExecutableName = javaExecutableName; | |
| 244 this.coreFileName = coreFileName; | |
| 245 startupMode = CORE_FILE_MODE; | |
| 246 isServer = true; | |
| 247 serverID = uniqueID; | |
| 248 go(); | |
| 249 } | |
| 250 | |
| 251 /** This opens a core file on the local machine and starts a debug | |
| 252 server, allowing remote machines to connect and examine this | |
| 253 core file. */ | |
| 254 public synchronized void startServer(String javaExecutableName, String coreFileName) | |
| 255 throws DebuggerException { | |
| 256 startServer(javaExecutableName, coreFileName, null); | |
| 257 } | |
| 258 | |
| 259 /** This may only be called on the server side after startServer() | |
| 260 has been called */ | |
| 261 public synchronized boolean shutdownServer() throws DebuggerException { | |
| 262 if (!isServer) { | |
| 263 throw new DebuggerException("Should not call shutdownServer() for client configuration"); | |
| 264 } | |
| 265 return detachInternal(); | |
| 266 } | |
| 267 | |
| 268 | |
| 269 //-------------------------------------------------------------------------------- | |
| 270 // Internals only below this point | |
| 271 // | |
| 272 | |
| 273 private boolean detachInternal() { | |
| 274 if (debugger == null) { | |
| 275 return false; | |
| 276 } | |
| 277 boolean retval = true; | |
| 278 if (!isServer) { | |
| 279 VM.shutdown(); | |
| 280 } | |
| 281 // We must not call detach() if we are a client and are connected | |
| 282 // to a remote debugger | |
| 283 Debugger dbg = null; | |
| 284 DebuggerException ex = null; | |
| 285 if (isServer) { | |
| 286 try { | |
| 287 RMIHelper.unbind(serverID); | |
| 288 } | |
| 289 catch (DebuggerException de) { | |
| 290 ex = de; | |
| 291 } | |
| 292 dbg = debugger; | |
| 293 } else { | |
| 294 if (startupMode != REMOTE_MODE) { | |
| 295 dbg = debugger; | |
| 296 } | |
| 297 } | |
| 298 if (dbg != null) { | |
| 299 retval = dbg.detach(); | |
| 300 } | |
| 301 | |
| 302 debugger = null; | |
| 303 machDesc = null; | |
| 304 db = null; | |
| 305 if (ex != null) { | |
| 306 throw(ex); | |
| 307 } | |
| 308 return retval; | |
| 309 } | |
| 310 | |
| 311 private void go() { | |
| 312 setupDebugger(); | |
| 313 setupVM(); | |
| 314 } | |
| 315 | |
| 316 private void setupDebugger() { | |
| 317 if (startupMode != REMOTE_MODE) { | |
| 318 // | |
| 319 // Local mode (client attaching to local process or setting up | |
| 320 // server, but not client attaching to server) | |
| 321 // | |
| 322 | |
| 323 try { | |
| 324 os = PlatformInfo.getOS(); | |
| 325 cpu = PlatformInfo.getCPU(); | |
| 326 } | |
| 327 catch (UnsupportedPlatformException e) { | |
| 328 throw new DebuggerException(e); | |
| 329 } | |
| 330 fileSep = System.getProperty("file.separator"); | |
| 331 | |
| 332 if (os.equals("solaris")) { | |
| 333 setupDebuggerSolaris(); | |
| 334 } else if (os.equals("win32")) { | |
| 335 setupDebuggerWin32(); | |
| 336 } else if (os.equals("linux")) { | |
| 337 setupDebuggerLinux(); | |
| 338 } else { | |
| 339 // Add support for more operating systems here | |
| 340 throw new DebuggerException("Operating system " + os + " not yet supported"); | |
| 341 } | |
| 342 | |
| 343 if (isServer) { | |
| 344 RemoteDebuggerServer remote = null; | |
| 345 try { | |
| 346 remote = new RemoteDebuggerServer(debugger); | |
| 347 } | |
| 348 catch (RemoteException rem) { | |
| 349 throw new DebuggerException(rem); | |
| 350 } | |
| 351 RMIHelper.rebind(serverID, remote); | |
| 352 } | |
| 353 } else { | |
| 354 // | |
| 355 // Remote mode (client attaching to server) | |
| 356 // | |
| 357 | |
| 358 // Create and install a security manager | |
| 359 | |
| 360 // FIXME: currently commented out because we were having | |
| 361 // security problems since we're "in the sun.* hierarchy" here. | |
| 362 // Perhaps a permissive policy file would work around this. In | |
| 363 // the long run, will probably have to move into com.sun.*. | |
| 364 | |
| 365 // if (System.getSecurityManager() == null) { | |
| 366 // System.setSecurityManager(new RMISecurityManager()); | |
| 367 // } | |
| 368 | |
| 369 connectRemoteDebugger(); | |
| 370 } | |
| 371 } | |
| 372 | |
| 373 private void setupVM() { | |
| 374 // We need to instantiate a HotSpotTypeDataBase on both the client | |
| 375 // and server machine. On the server it is only currently used to | |
| 376 // configure the Java primitive type sizes (which we should | |
| 377 // consider making constant). On the client it is used to | |
| 378 // configure the VM. | |
| 379 | |
| 380 try { | |
| 381 if (os.equals("solaris")) { | |
| 382 db = new HotSpotTypeDataBase(machDesc, | |
| 383 new HotSpotSolarisVtblAccess(debugger, jvmLibNames), | |
| 384 debugger, jvmLibNames); | |
| 385 } else if (os.equals("win32")) { | |
| 386 db = new HotSpotTypeDataBase(machDesc, | |
| 387 new Win32VtblAccess(debugger, jvmLibNames), | |
| 388 debugger, jvmLibNames); | |
| 389 } else if (os.equals("linux")) { | |
| 390 db = new HotSpotTypeDataBase(machDesc, | |
| 391 new LinuxVtblAccess(debugger, jvmLibNames), | |
| 392 debugger, jvmLibNames); | |
| 393 } else { | |
| 394 throw new DebuggerException("OS \"" + os + "\" not yet supported (no VtblAccess yet)"); | |
| 395 } | |
| 396 } | |
| 397 catch (NoSuchSymbolException e) { | |
| 398 throw new DebuggerException("Doesn't appear to be a HotSpot VM (could not find symbol \"" + | |
| 399 e.getSymbol() + "\" in remote process)"); | |
| 400 } | |
| 401 | |
| 402 if (startupMode != REMOTE_MODE) { | |
| 403 // Configure the debugger with the primitive type sizes just obtained from the VM | |
| 404 debugger.configureJavaPrimitiveTypeSizes(db.getJBooleanType().getSize(), | |
| 405 db.getJByteType().getSize(), | |
| 406 db.getJCharType().getSize(), | |
| 407 db.getJDoubleType().getSize(), | |
| 408 db.getJFloatType().getSize(), | |
| 409 db.getJIntType().getSize(), | |
| 410 db.getJLongType().getSize(), | |
| 411 db.getJShortType().getSize()); | |
| 412 } | |
| 413 | |
| 414 if (!isServer) { | |
| 415 // Do not initialize the VM on the server (unnecessary, since it's | |
| 416 // instantiated on the client) | |
| 417 try { | |
| 418 VM.initialize(db, debugger); | |
| 419 } catch (DebuggerException e) { | |
| 420 throw (e); | |
| 421 } catch (Exception e) { | |
| 422 throw new DebuggerException(e); | |
| 423 } | |
| 424 } | |
| 425 } | |
| 426 | |
| 427 //-------------------------------------------------------------------------------- | |
| 428 // OS-specific debugger setup/connect routines | |
| 429 // | |
| 430 | |
| 431 // | |
| 432 // Solaris | |
| 433 // | |
| 434 | |
| 435 private void setupDebuggerSolaris() { | |
| 436 setupJVMLibNamesSolaris(); | |
| 3939 | 437 ProcDebuggerLocal dbg = new ProcDebuggerLocal(null, true); |
| 438 debugger = dbg; | |
| 439 attachDebugger(); | |
| 0 | 440 |
| 3939 | 441 // Set up CPU-dependent stuff |
| 442 if (cpu.equals("x86")) { | |
| 443 machDesc = new MachineDescriptionIntelX86(); | |
| 444 } else if (cpu.equals("sparc")) { | |
| 445 int addressSize = dbg.getRemoteProcessAddressSize(); | |
| 446 if (addressSize == -1) { | |
| 447 throw new DebuggerException("Error occurred while trying to determine the remote process's " + | |
| 448 "address size"); | |
| 0 | 449 } |
| 450 | |
| 3939 | 451 if (addressSize == 32) { |
| 452 machDesc = new MachineDescriptionSPARC32Bit(); | |
| 453 } else if (addressSize == 64) { | |
| 454 machDesc = new MachineDescriptionSPARC64Bit(); | |
| 0 | 455 } else { |
| 3939 | 456 throw new DebuggerException("Address size " + addressSize + " is not supported on SPARC"); |
| 0 | 457 } |
| 3939 | 458 } else if (cpu.equals("amd64")) { |
| 459 machDesc = new MachineDescriptionAMD64(); | |
| 460 } else { | |
| 461 throw new DebuggerException("Solaris only supported on sparc/sparcv9/x86/amd64"); | |
| 462 } | |
| 0 | 463 |
| 3939 | 464 dbg.setMachineDescription(machDesc); |
| 465 return; | |
| 0 | 466 } |
| 467 | |
| 468 private void connectRemoteDebugger() throws DebuggerException { | |
| 469 RemoteDebugger remote = | |
| 470 (RemoteDebugger) RMIHelper.lookup(debugServerID); | |
| 471 debugger = new RemoteDebuggerClient(remote); | |
| 472 machDesc = ((RemoteDebuggerClient) debugger).getMachineDescription(); | |
| 473 os = debugger.getOS(); | |
| 474 if (os.equals("solaris")) { | |
| 475 setupJVMLibNamesSolaris(); | |
| 476 } else if (os.equals("win32")) { | |
| 477 setupJVMLibNamesWin32(); | |
| 478 } else if (os.equals("linux")) { | |
| 479 setupJVMLibNamesLinux(); | |
| 480 } else { | |
| 481 throw new RuntimeException("Unknown OS type"); | |
| 482 } | |
| 483 | |
| 484 cpu = debugger.getCPU(); | |
| 485 } | |
| 486 | |
| 487 private void setupJVMLibNamesSolaris() { | |
| 488 jvmLibNames = new String[] { "libjvm.so", "libjvm_g.so", "gamma_g" }; | |
| 489 } | |
| 490 | |
| 491 // | |
| 492 // Win32 | |
| 493 // | |
| 494 | |
| 495 private void setupDebuggerWin32() { | |
| 496 setupJVMLibNamesWin32(); | |
| 497 | |
| 498 if (cpu.equals("x86")) { | |
| 499 machDesc = new MachineDescriptionIntelX86(); | |
| 500 } else if (cpu.equals("amd64")) { | |
| 501 machDesc = new MachineDescriptionAMD64(); | |
| 502 } else if (cpu.equals("ia64")) { | |
| 503 machDesc = new MachineDescriptionIA64(); | |
| 504 } else { | |
| 505 throw new DebuggerException("Win32 supported under x86, amd64 and ia64 only"); | |
| 506 } | |
| 507 | |
| 508 // Note we do not use a cache for the local debugger in server | |
| 509 // mode; it will be taken care of on the client side (once remote | |
| 510 // debugging is implemented). | |
| 511 | |
| 3939 | 512 debugger = new WindbgDebuggerLocal(machDesc, !isServer); |
| 0 | 513 |
| 514 attachDebugger(); | |
| 515 | |
| 516 // FIXME: add support for server mode | |
| 517 } | |
| 518 | |
| 519 private void setupJVMLibNamesWin32() { | |
| 520 jvmLibNames = new String[] { "jvm.dll", "jvm_g.dll" }; | |
| 521 } | |
| 522 | |
| 523 // | |
| 524 // Linux | |
| 525 // | |
| 526 | |
| 527 private void setupDebuggerLinux() { | |
| 528 setupJVMLibNamesLinux(); | |
| 529 | |
| 530 if (cpu.equals("x86")) { | |
| 531 machDesc = new MachineDescriptionIntelX86(); | |
| 532 } else if (cpu.equals("ia64")) { | |
| 533 machDesc = new MachineDescriptionIA64(); | |
| 534 } else if (cpu.equals("amd64")) { | |
| 535 machDesc = new MachineDescriptionAMD64(); | |
| 536 } else if (cpu.equals("sparc")) { | |
| 537 if (LinuxDebuggerLocal.getAddressSize()==8) { | |
| 538 machDesc = new MachineDescriptionSPARC64Bit(); | |
| 539 } else { | |
| 540 machDesc = new MachineDescriptionSPARC32Bit(); | |
| 541 } | |
| 542 } else { | |
| 543 throw new DebuggerException("Linux only supported on x86/ia64/amd64/sparc/sparc64"); | |
| 544 } | |
| 545 | |
| 546 LinuxDebuggerLocal dbg = | |
| 547 new LinuxDebuggerLocal(machDesc, !isServer); | |
| 548 debugger = dbg; | |
| 549 | |
| 550 attachDebugger(); | |
| 551 } | |
| 552 | |
| 553 private void setupJVMLibNamesLinux() { | |
| 554 jvmLibNames = new String[] { "libjvm.so", "libjvm_g.so" }; | |
| 555 } | |
| 556 | |
| 557 /** Convenience routine which should be called by per-platform | |
| 558 debugger setup. Should not be called when startupMode is | |
| 559 REMOTE_MODE. */ | |
| 560 private void attachDebugger() { | |
| 561 if (startupMode == PROCESS_MODE) { | |
| 562 debugger.attach(pid); | |
| 563 } else if (startupMode == CORE_FILE_MODE) { | |
| 564 debugger.attach(javaExecutableName, coreFileName); | |
| 565 } else { | |
| 566 throw new DebuggerException("Should not call attach() for startupMode == " + startupMode); | |
| 567 } | |
| 568 } | |
| 569 } |