1 /* 2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package sun.jvm.hotspot; 26 27 import java.io.*; 28 import java.awt.*; 29 import java.awt.event.*; 30 import java.math.*; 31 import javax.swing.*; 32 import javax.swing.tree.*; 33 import java.util.*; 34 35 import sun.jvm.hotspot.code.*; 36 import sun.jvm.hotspot.compiler.*; 37 import sun.jvm.hotspot.debugger.*; 38 import sun.jvm.hotspot.gc_implementation.parallelScavenge.*; 39 import sun.jvm.hotspot.gc_interface.*; 40 import sun.jvm.hotspot.interpreter.*; 41 import sun.jvm.hotspot.memory.*; 42 import sun.jvm.hotspot.oops.*; 43 import sun.jvm.hotspot.runtime.*; 44 import sun.jvm.hotspot.ui.*; 45 import sun.jvm.hotspot.ui.tree.*; 46 import sun.jvm.hotspot.ui.classbrowser.*; 47 import sun.jvm.hotspot.utilities.*; 48 49 /** The top-level HotSpot Debugger. FIXME: make this an embeddable 50 component! (Among other things, figure out what to do with the 51 menu bar...) */ 52 53 public class HSDB implements ObjectHistogramPanel.Listener, SAListener { 54 public static void main(String[] args) { 55 new HSDB(args).run(); 56 } 57 58 //-------------------------------------------------------------------------------- 59 // Internals only below this point 60 // 61 private HotSpotAgent agent; 62 private JVMDebugger jvmDebugger; 63 private JDesktopPane desktop; 64 private boolean attached; 65 private boolean argError; 66 private JFrame frame; 67 /** List <JMenuItem> */ 68 private java.util.List attachMenuItems; 69 /** List <JMenuItem> */ 70 private java.util.List detachMenuItems; 71 private JMenu toolsMenu; 72 private JMenuItem showDbgConsoleMenuItem; 73 private JMenuItem computeRevPtrsMenuItem; 74 private JInternalFrame attachWaitDialog; 75 private JInternalFrame threadsFrame; 76 private JInternalFrame consoleFrame; 77 private WorkerThread workerThread; 78 // These had to be made data members because they are referenced in inner classes. 79 private String pidText; 80 private int pid; 81 private String execPath; 82 private String coreFilename; 83 84 private void doUsage() { 85 System.out.println("Usage: java HSDB [[pid] | [path-to-java-executable [path-to-corefile]] | help ]"); 86 System.out.println(" pid: attach to the process whose id is 'pid'"); 87 System.out.println(" path-to-java-executable: Debug a core file produced by this program"); 88 System.out.println(" path-to-corefile: Debug this corefile. The default is 'core'"); 89 System.out.println(" If no arguments are specified, you can select what to do from the GUI.\n"); 90 HotSpotAgent.showUsage(); 91 argError = true; 92 } 93 94 public HSDB(JVMDebugger d) { 95 jvmDebugger = d; 96 } 97 98 private HSDB(String[] args) { 99 switch (args.length) { 100 case (0): 101 break; 102 103 case (1): 104 if (args[0].equals("help") || args[0].equals("-help")) { 105 doUsage(); 106 } 107 // If all numbers, it is a PID to attach to 108 // Else, it is a pathname to a .../bin/java for a core file. 109 try { 110 int unused = Integer.parseInt(args[0]); 111 // If we get here, we have a PID and not a core file name 112 pidText = args[0]; 113 } catch (NumberFormatException e) { 114 execPath = args[0]; 115 coreFilename = "core"; 116 } 117 break; 118 119 case (2): 120 execPath = args[0]; 121 coreFilename = args[1]; 122 break; 123 124 default: 125 System.out.println("HSDB Error: Too many options specified"); 126 doUsage(); 127 } 128 } 129 130 // close this tool without calling System.exit 131 protected void closeUI() { 132 workerThread.shutdown(); 133 frame.dispose(); 134 } 135 136 public void run() { 137 // Don't start the UI if there were bad arguments. 138 if (argError) { 139 return; 140 } 141 142 agent = new HotSpotAgent(); 143 workerThread = new WorkerThread(); 144 attachMenuItems = new java.util.ArrayList(); 145 detachMenuItems = new java.util.ArrayList(); 146 147 frame = new JFrame("HSDB - HotSpot Debugger"); 148 frame.setSize(800, 600); 149 frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); 150 151 JMenuBar menuBar = new JMenuBar(); 152 153 // 154 // File menu 155 // 156 157 JMenu menu = new JMenu("File"); 158 menu.setMnemonic(KeyEvent.VK_F); 159 JMenuItem item; 160 item = createMenuItem("Attach to HotSpot process...", 161 new ActionListener() { 162 public void actionPerformed(ActionEvent e) { 163 showAttachDialog(); 164 } 165 }); 166 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.ALT_MASK)); 167 item.setMnemonic(KeyEvent.VK_A); 168 menu.add(item); 169 attachMenuItems.add(item); 170 171 item = createMenuItem("Open HotSpot core file...", 172 new ActionListener() { 173 public void actionPerformed(ActionEvent e) { 174 showOpenCoreFileDialog(); 175 } 176 }); 177 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.ALT_MASK)); 178 item.setMnemonic(KeyEvent.VK_O); 179 menu.add(item); 180 attachMenuItems.add(item); 181 182 item = createMenuItem("Connect to debug server...", 183 new ActionListener() { 184 public void actionPerformed(ActionEvent e) { 185 showConnectDialog(); 186 } 187 }); 188 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.ALT_MASK)); 189 item.setMnemonic(KeyEvent.VK_S); 190 menu.add(item); 191 attachMenuItems.add(item); 192 193 item = createMenuItem("Detach", 194 new ActionListener() { 195 public void actionPerformed(ActionEvent e) { 196 detach(); 197 } 198 }); 199 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D, ActionEvent.ALT_MASK)); 200 item.setMnemonic(KeyEvent.VK_S); 201 menu.add(item); 202 detachMenuItems.add(item); 203 204 // Disable detach menu items at first 205 setMenuItemsEnabled(detachMenuItems, false); 206 207 menu.addSeparator(); 208 209 item = createMenuItem("Exit", 210 new ActionListener() { 211 public void actionPerformed(ActionEvent e) { 212 closeUI(); 213 } 214 }); 215 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.ALT_MASK)); 216 item.setMnemonic(KeyEvent.VK_X); 217 menu.add(item); 218 menuBar.add(menu); 219 220 // 221 // Tools menu 222 // 223 224 toolsMenu = new JMenu("Tools"); 225 toolsMenu.setMnemonic(KeyEvent.VK_T); 226 227 item = createMenuItem("Class Browser", 228 new ActionListener() { 229 public void actionPerformed(ActionEvent e) { 230 showClassBrowser(); 231 } 232 }); 233 item.setMnemonic(KeyEvent.VK_B); 234 235 toolsMenu.add(item); 236 237 item = createMenuItem("Code Viewer", 238 new ActionListener() { 239 public void actionPerformed(ActionEvent e) { 240 showCodeViewer(); 241 } 242 }); 243 item.setMnemonic(KeyEvent.VK_C); 244 245 toolsMenu.add(item); 246 247 248 item = createMenuItem("Compute Reverse Ptrs", 249 new ActionListener() { 250 public void actionPerformed(ActionEvent e) { 251 fireComputeReversePtrs(); 252 } 253 }); 254 computeRevPtrsMenuItem = item; 255 item.setMnemonic(KeyEvent.VK_M); 256 toolsMenu.add(item); 257 258 item = createMenuItem("Deadlock Detection", 259 new ActionListener() { 260 public void actionPerformed(ActionEvent e) { 261 showDeadlockDetectionPanel(); 262 } 263 }); 264 item.setMnemonic(KeyEvent.VK_D); 265 toolsMenu.add(item); 266 267 item = createMenuItem("Find Object by Query", 268 new ActionListener() { 269 public void actionPerformed(ActionEvent e) { 270 showFindByQueryPanel(); 271 } 272 }); 273 item.setMnemonic(KeyEvent.VK_Q); 274 toolsMenu.add(item); 275 276 277 item = createMenuItem("Find Pointer", 278 new ActionListener() { 279 public void actionPerformed(ActionEvent e) { 280 showFindPanel(); 281 } 282 }); 283 item.setMnemonic(KeyEvent.VK_P); 284 toolsMenu.add(item); 285 286 item = createMenuItem("Find Value In Heap", 287 new ActionListener() { 288 public void actionPerformed(ActionEvent e) { 289 showFindInHeapPanel(); 290 } 291 }); 292 item.setMnemonic(KeyEvent.VK_V); 293 toolsMenu.add(item); 294 295 item = createMenuItem("Find Value In Code Cache", 296 new ActionListener() { 297 public void actionPerformed(ActionEvent e) { 298 showFindInCodeCachePanel(); 299 } 300 }); 301 item.setMnemonic(KeyEvent.VK_A); 302 toolsMenu.add(item); 303 304 item = createMenuItem("Heap Parameters", 305 new ActionListener() { 306 public void actionPerformed(ActionEvent e) { 307 showHeapParametersPanel(); 308 } 309 }); 310 item.setMnemonic(KeyEvent.VK_H); 311 toolsMenu.add(item); 312 313 item = createMenuItem("Inspector", 314 new ActionListener() { 315 public void actionPerformed(ActionEvent e) { 316 showInspector(null); 317 } 318 }); 319 item.setMnemonic(KeyEvent.VK_R); 320 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, ActionEvent.ALT_MASK)); 321 toolsMenu.add(item); 322 323 item = createMenuItem("Memory Viewer", 324 new ActionListener() { 325 public void actionPerformed(ActionEvent e) { 326 showMemoryViewer(); 327 } 328 }); 329 item.setMnemonic(KeyEvent.VK_M); 330 toolsMenu.add(item); 331 332 item = createMenuItem("Monitor Cache Dump", 333 new ActionListener() { 334 public void actionPerformed(ActionEvent e) { 335 showMonitorCacheDumpPanel(); 336 } 337 }); 338 item.setMnemonic(KeyEvent.VK_D); 339 toolsMenu.add(item); 340 341 item = createMenuItem("Object Histogram", 342 new ActionListener() { 343 public void actionPerformed(ActionEvent e) { 344 showObjectHistogram(); 345 } 346 }); 347 item.setMnemonic(KeyEvent.VK_O); 348 toolsMenu.add(item); 349 350 item = createMenuItem("Show System Properties", 351 new ActionListener() { 352 public void actionPerformed(ActionEvent e) { 353 showSystemProperties(); 354 } 355 }); 356 item.setMnemonic(KeyEvent.VK_S); 357 toolsMenu.add(item); 358 359 item = createMenuItem("Show VM Version", 360 new ActionListener() { 361 public void actionPerformed(ActionEvent e) { 362 showVMVersion(); 363 } 364 }); 365 item.setMnemonic(KeyEvent.VK_M); 366 toolsMenu.add(item); 367 368 item = createMenuItem("Show -XX flags", 369 new ActionListener() { 370 public void actionPerformed(ActionEvent e) { 371 showCommandLineFlags(); 372 } 373 }); 374 item.setMnemonic(KeyEvent.VK_X); 375 toolsMenu.add(item); 376 377 toolsMenu.setEnabled(false); 378 menuBar.add(toolsMenu); 379 380 // 381 // Windows menu 382 // 383 384 JMenu windowsMenu = new JMenu("Windows"); 385 windowsMenu.setMnemonic(KeyEvent.VK_W); 386 item = createMenuItem("Console", 387 new ActionListener() { 388 public void actionPerformed(ActionEvent e) { 389 showConsole(); 390 } 391 }); 392 item.setMnemonic(KeyEvent.VK_C); 393 windowsMenu.add(item); 394 showDbgConsoleMenuItem = createMenuItem("Debugger Console", 395 new ActionListener() { 396 public void actionPerformed(ActionEvent e) { 397 showDebuggerConsole(); 398 } 399 }); 400 showDbgConsoleMenuItem.setMnemonic(KeyEvent.VK_D); 401 windowsMenu.add(showDbgConsoleMenuItem); 402 showDbgConsoleMenuItem.setEnabled(false); 403 404 menuBar.add(windowsMenu); 405 406 407 frame.setJMenuBar(menuBar); 408 409 desktop = new JDesktopPane(); 410 frame.getContentPane().add(desktop); 411 GraphicsUtilities.reshapeToAspectRatio(frame, 4.0f/3.0f, 0.75f, Toolkit.getDefaultToolkit().getScreenSize()); 412 GraphicsUtilities.centerInContainer(frame, Toolkit.getDefaultToolkit().getScreenSize()); 413 frame.setVisible(true); 414 415 Runtime.getRuntime().addShutdownHook(new java.lang.Thread() { 416 public void run() { 417 detachDebugger(); 418 } 419 }); 420 421 // If jvmDebugger is already set, we have been given a JVMDebugger. 422 // Otherwise, if pidText != null we are supposed to attach to it. 423 // Finally, if execPath != null, it is the path of a jdk/bin/java 424 // and coreFilename is the pathname of a core file we are 425 // supposed to attach to. 426 427 if (jvmDebugger != null) { 428 attach(jvmDebugger); 429 } else if (pidText != null) { 430 attach(pidText); 431 } else if (execPath != null) { 432 attach(execPath, coreFilename); 433 } 434 } 435 436 // FIXME: merge showAttachDialog, showOpenCoreFileDialog, showConnectDialog 437 private void showAttachDialog() { 438 // FIXME: create filtered text field which only accepts numbers 439 setMenuItemsEnabled(attachMenuItems, false); 440 final JInternalFrame attachDialog = new JInternalFrame("Attach to HotSpot process"); 441 attachDialog.getContentPane().setLayout(new BorderLayout()); 442 443 JPanel panel = new JPanel(); 444 panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS)); 445 panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); 446 attachDialog.setBackground(panel.getBackground()); 447 448 panel.add(new JLabel("Enter process ID:")); 449 final JTextField pidTextField = new JTextField(10); 450 ActionListener attacher = new ActionListener() { 451 public void actionPerformed(ActionEvent e) { 452 attachDialog.setVisible(false); 453 desktop.remove(attachDialog); 454 workerThread.invokeLater(new Runnable() { 455 public void run() { 456 attach(pidTextField.getText()); 457 } 458 }); 459 } 460 }; 461 462 pidTextField.addActionListener(attacher); 463 panel.add(pidTextField); 464 attachDialog.getContentPane().add(panel, BorderLayout.NORTH); 465 466 Box vbox = Box.createVerticalBox(); 467 panel = new JPanel(); 468 panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS)); 469 panel.setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8)); 470 JTextArea ta = new JTextArea( 471 "Enter the process ID of a currently-running HotSpot process. On " + 472 "Solaris and most Unix operating systems, this can be determined by " + 473 "typing \"ps -u <your username> | grep java\"; the process ID is the " + 474 "first number which appears on the resulting line. On Windows, the " + 475 "process ID is present in the Task Manager, which can be brought up " + 476 "while logged on to the desktop by pressing Ctrl-Alt-Delete."); 477 ta.setLineWrap(true); 478 ta.setWrapStyleWord(true); 479 ta.setEditable(false); 480 ta.setBackground(panel.getBackground()); 481 panel.add(ta); 482 vbox.add(panel); 483 484 Box hbox = Box.createHorizontalBox(); 485 hbox.add(Box.createGlue()); 486 JButton button = new JButton("OK"); 487 button.addActionListener(attacher); 488 hbox.add(button); 489 hbox.add(Box.createHorizontalStrut(20)); 490 button = new JButton("Cancel"); 491 button.addActionListener(new ActionListener() { 492 public void actionPerformed(ActionEvent e) { 493 attachDialog.setVisible(false); 494 desktop.remove(attachDialog); 495 setMenuItemsEnabled(attachMenuItems, true); 496 } 497 }); 498 hbox.add(button); 499 hbox.add(Box.createGlue()); 500 panel = new JPanel(); 501 panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); 502 panel.add(hbox); 503 vbox.add(panel); 504 505 attachDialog.getContentPane().add(vbox, BorderLayout.SOUTH); 506 507 desktop.add(attachDialog); 508 attachDialog.setSize(400, 300); 509 GraphicsUtilities.centerInContainer(attachDialog); 510 attachDialog.show(); 511 pidTextField.requestFocus(); 512 } 513 514 // FIXME: merge showAttachDialog, showOpenCoreFileDialog, showConnectDialog 515 private void showOpenCoreFileDialog() { 516 setMenuItemsEnabled(attachMenuItems, false); 517 final JInternalFrame dialog = new JInternalFrame("Open Core File"); 518 dialog.getContentPane().setLayout(new BorderLayout()); 519 520 JPanel panel = new JPanel(); 521 panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS)); 522 panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); 523 dialog.setBackground(panel.getBackground()); 524 525 Box hbox = Box.createHorizontalBox(); 526 Box vbox = Box.createVerticalBox(); 527 vbox.add(new JLabel("Path to core file:")); 528 vbox.add(new JLabel("Path to Java executable:")); 529 hbox.add(vbox); 530 531 vbox = Box.createVerticalBox(); 532 final JTextField corePathField = new JTextField(40); 533 final JTextField execPathField = new JTextField(40); 534 vbox.add(corePathField); 535 vbox.add(execPathField); 536 hbox.add(vbox); 537 538 final JButton browseCorePath = new JButton("Browse .."); 539 final JButton browseExecPath = new JButton("Browse .."); 540 browseCorePath.addActionListener(new ActionListener() { 541 public void actionPerformed(ActionEvent e) { 542 JFileChooser fileChooser = new JFileChooser(new File(".")); 543 int retVal = fileChooser.showOpenDialog(dialog); 544 if (retVal == JFileChooser.APPROVE_OPTION) { 545 corePathField.setText(fileChooser.getSelectedFile().getPath()); 546 } 547 } 548 }); 549 browseExecPath.addActionListener(new ActionListener() { 550 public void actionPerformed(ActionEvent e) { 551 JFileChooser fileChooser = new JFileChooser(new File(".")); 552 int retVal = fileChooser.showOpenDialog(dialog); 553 if (retVal == JFileChooser.APPROVE_OPTION) { 554 execPathField.setText(fileChooser.getSelectedFile().getPath()); 555 } 556 } 557 }); 558 vbox = Box.createVerticalBox(); 559 vbox.add(browseCorePath); 560 vbox.add(browseExecPath); 561 hbox.add(vbox); 562 563 panel.add(hbox); 564 dialog.getContentPane().add(panel, BorderLayout.NORTH); 565 566 ActionListener attacher = new ActionListener() { 567 public void actionPerformed(ActionEvent e) { 568 dialog.setVisible(false); 569 desktop.remove(dialog); 570 workerThread.invokeLater(new Runnable() { 571 public void run() { 572 attach(execPathField.getText(), corePathField.getText()); 573 } 574 }); 575 } 576 }; 577 corePathField.addActionListener(attacher); 578 execPathField.addActionListener(attacher); 579 580 vbox = Box.createVerticalBox(); 581 panel = new JPanel(); 582 panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS)); 583 panel.setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8)); 584 JTextArea ta = new JTextArea( 585 "Enter the full path names to the core file from a HotSpot process " + 586 "and the Java executable from which it came. The latter is typically " + 587 "located in the JDK/JRE directory under the directory " + 588 "jre/bin/<arch>/native_threads."); 589 ta.setLineWrap(true); 590 ta.setWrapStyleWord(true); 591 ta.setEditable(false); 592 ta.setBackground(panel.getBackground()); 593 panel.add(ta); 594 vbox.add(panel); 595 596 hbox = Box.createHorizontalBox(); 597 hbox.add(Box.createGlue()); 598 JButton button = new JButton("OK"); 599 button.addActionListener(attacher); 600 hbox.add(button); 601 hbox.add(Box.createHorizontalStrut(20)); 602 button = new JButton("Cancel"); 603 button.addActionListener(new ActionListener() { 604 public void actionPerformed(ActionEvent e) { 605 dialog.setVisible(false); 606 desktop.remove(dialog); 607 setMenuItemsEnabled(attachMenuItems, true); 608 } 609 }); 610 hbox.add(button); 611 hbox.add(Box.createGlue()); 612 panel = new JPanel(); 613 panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); 614 panel.add(hbox); 615 vbox.add(panel); 616 617 dialog.getContentPane().add(vbox, BorderLayout.SOUTH); 618 619 desktop.add(dialog); 620 dialog.setSize(500, 300); 621 GraphicsUtilities.centerInContainer(dialog); 622 dialog.show(); 623 corePathField.requestFocus(); 624 } 625 626 // FIXME: merge showAttachDialog, showOpenCoreFileDialog, showConnectDialog 627 private void showConnectDialog() { 628 // FIXME: create filtered text field which only accepts numbers 629 setMenuItemsEnabled(attachMenuItems, false); 630 final JInternalFrame dialog = new JInternalFrame("Connect to HotSpot Debug Server"); 631 dialog.getContentPane().setLayout(new BorderLayout()); 632 633 JPanel panel = new JPanel(); 634 panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS)); 635 panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); 636 dialog.setBackground(panel.getBackground()); 637 638 panel.add(new JLabel("Enter machine name:")); 639 final JTextField pidTextField = new JTextField(40); 640 ActionListener attacher = new ActionListener() { 641 public void actionPerformed(ActionEvent e) { 642 dialog.setVisible(false); 643 desktop.remove(dialog); 644 workerThread.invokeLater(new Runnable() { 645 public void run() { 646 connect(pidTextField.getText()); 647 } 648 }); 649 } 650 }; 651 652 pidTextField.addActionListener(attacher); 653 panel.add(pidTextField); 654 dialog.getContentPane().add(panel, BorderLayout.NORTH); 655 656 Box vbox = Box.createVerticalBox(); 657 panel = new JPanel(); 658 panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS)); 659 panel.setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8)); 660 JTextArea ta = new JTextArea( 661 "Enter the name of a machine on which the HotSpot \"Debug Server\" is " + 662 "running and is attached to a process or core file."); 663 ta.setLineWrap(true); 664 ta.setWrapStyleWord(true); 665 ta.setEditable(false); 666 ta.setBackground(panel.getBackground()); 667 panel.add(ta); 668 vbox.add(panel); 669 670 Box hbox = Box.createHorizontalBox(); 671 hbox.add(Box.createGlue()); 672 JButton button = new JButton("OK"); 673 button.addActionListener(attacher); 674 hbox.add(button); 675 hbox.add(Box.createHorizontalStrut(20)); 676 button = new JButton("Cancel"); 677 button.addActionListener(new ActionListener() { 678 public void actionPerformed(ActionEvent e) { 679 dialog.setVisible(false); 680 desktop.remove(dialog); 681 setMenuItemsEnabled(attachMenuItems, true); 682 } 683 }); 684 hbox.add(button); 685 hbox.add(Box.createGlue()); 686 panel = new JPanel(); 687 panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); 688 panel.add(hbox); 689 vbox.add(panel); 690 691 dialog.getContentPane().add(vbox, BorderLayout.SOUTH); 692 693 desktop.add(dialog); 694 dialog.setSize(400, 300); 695 GraphicsUtilities.centerInContainer(dialog); 696 dialog.show(); 697 pidTextField.requestFocus(); 698 } 699 700 public void showThreadOopInspector(JavaThread thread) { 701 showInspector(new OopTreeNodeAdapter(thread.getThreadObj(), null)); 702 } 703 704 public void showInspector(SimpleTreeNode adapter) { 705 showPanel("Inspector", new Inspector(adapter), 1.0f, 0.65f); 706 } 707 708 public void showLiveness(Oop oop, LivenessPathList liveness) { 709 ByteArrayOutputStream bos = new ByteArrayOutputStream(); 710 PrintStream tty = new PrintStream(bos); 711 int numPaths = liveness.size(); 712 for (int i = 0; i < numPaths; i++) { 713 tty.println("Path " + (i + 1) + " of " + numPaths + ":"); 714 liveness.get(i).printOn(tty); 715 } 716 JTextArea ta = new JTextArea(bos.toString()); 717 ta.setLineWrap(true); 718 ta.setWrapStyleWord(true); 719 ta.setEditable(false); 720 721 JPanel panel = new JPanel(); 722 panel.setLayout(new BorderLayout()); 723 724 JScrollPane scroller = new JScrollPane(); 725 scroller.getViewport().add(ta); 726 727 panel.add(scroller, BorderLayout.CENTER); 728 729 bos = new ByteArrayOutputStream(); 730 tty = new PrintStream(bos); 731 tty.print("Liveness result for "); 732 Oop.printOopValueOn(oop, tty); 733 734 JInternalFrame frame = new JInternalFrame(bos.toString()); 735 frame.setResizable(true); 736 frame.setClosable(true); 737 frame.setIconifiable(true); 738 frame.getContentPane().setLayout(new BorderLayout()); 739 frame.getContentPane().add(panel, BorderLayout.CENTER); 740 frame.pack(); 741 desktop.add(frame); 742 GraphicsUtilities.reshapeToAspectRatio(frame, 0.5f / 0.2f, 0.5f, frame.getParent().getSize()); 743 frame.show(); 744 } 745 746 private void fireComputeReversePtrs() { 747 // Possible this might have been computed elsewhere 748 if (VM.getVM().getRevPtrs() != null) { 749 computeRevPtrsMenuItem.setEnabled(false); 750 return; 751 } 752 753 workerThread.invokeLater(new Runnable() { 754 public void run() { 755 HeapProgress progress = new HeapProgress("Reverse Pointers Analysis"); 756 try { 757 ReversePtrsAnalysis analysis = new ReversePtrsAnalysis(); 758 analysis.setHeapProgressThunk(progress); 759 analysis.run(); 760 computeRevPtrsMenuItem.setEnabled(false); 761 } catch (OutOfMemoryError e) { 762 final String errMsg = formatMessage(e.toString(), 80); 763 SwingUtilities.invokeLater(new Runnable() { 764 public void run() { 765 JOptionPane.showInternalMessageDialog(desktop, 766 "Error computing reverse pointers:" + errMsg, 767 "Error", 768 JOptionPane.WARNING_MESSAGE); 769 } 770 }); 771 } finally { 772 // make sure the progress bar goes away 773 progress.heapIterationComplete(); 774 } 775 } 776 }); 777 } 778 779 // Simple struct containing signal information 780 class SignalInfo { 781 public int sigNum; 782 public String sigName; 783 } 784 785 // Need to have mutable vframe as well as visible memory panel 786 abstract class StackWalker implements Runnable { 787 protected JavaVFrame vf; 788 protected AnnotatedMemoryPanel annoPanel; 789 790 StackWalker(JavaVFrame vf, AnnotatedMemoryPanel annoPanel) { 791 this.vf = vf; 792 this.annoPanel = annoPanel; 793 } 794 } 795 796 public void showThreadStackMemory(final JavaThread thread) { 797 // dumpStack(thread); 798 JavaVFrame vframe = getLastJavaVFrame(thread); 799 if (vframe == null) { 800 JOptionPane.showInternalMessageDialog(desktop, 801 "Thread \"" + thread.getThreadName() + 802 "\" has no Java frames on its stack", 803 "Show Stack Memory", 804 JOptionPane.INFORMATION_MESSAGE); 805 return; 806 } 807 808 JInternalFrame stackFrame = new JInternalFrame("Stack Memory for " + thread.getThreadName()); 809 stackFrame.getContentPane().setLayout(new BorderLayout()); 810 stackFrame.setResizable(true); 811 stackFrame.setClosable(true); 812 stackFrame.setIconifiable(true); 813 final long addressSize = agent.getTypeDataBase().getAddressSize(); 814 boolean is64Bit = (addressSize == 8); 815 // This is somewhat of a hack to guess a thread's stack limits since the 816 // JavaThread doesn't support this functionality. However it is nice in that 817 // it locks us into the active region of the thread's stack and not its 818 // theoretical limits. 819 // 820 sun.jvm.hotspot.runtime.Frame tmpFrame = thread.getCurrentFrameGuess(); 821 Address sp = tmpFrame.getSP(); 822 Address starting = sp; 823 Address maxSP = starting; 824 Address minSP = starting; 825 RegisterMap tmpMap = thread.newRegisterMap(false); 826 while ((tmpFrame != null) && (!tmpFrame.isFirstFrame())) { 827 tmpFrame = tmpFrame.sender(tmpMap); 828 if (tmpFrame != null) { 829 sp = tmpFrame.getSP(); 830 if (sp != null) { 831 maxSP = AddressOps.max(maxSP, sp); 832 minSP = AddressOps.min(minSP, sp); 833 } 834 } 835 836 } 837 // It is useful to be able to see say +/- 8K on the current stack range 838 AnnotatedMemoryPanel annoMemPanel = new AnnotatedMemoryPanel(agent.getDebugger(), is64Bit, starting, 839 minSP.addOffsetTo(-8192), 840 maxSP.addOffsetTo( 8192)); 841 842 stackFrame.getContentPane().add(annoMemPanel, BorderLayout.CENTER); 843 desktop.add(stackFrame); 844 GraphicsUtilities.reshapeToAspectRatio(stackFrame, 4.0f / 3.0f, 0.85f, stackFrame.getParent().getSize()); 845 stackFrame.show(); 846 847 // Stackmap computation for interpreted frames is expensive; do 848 // all stackwalking work in another thread for better GUI 849 // responsiveness 850 workerThread.invokeLater(new StackWalker(vframe, annoMemPanel) { 851 public void run() { 852 Address startAddr = null; 853 854 // As this is a debugger, we want to provide potential crash 855 // information to the user, i.e., by marking signal handler frames 856 // on the stack. Since this system is currently targeted at 857 // annotating the Java frames (interpreted or compiled) on the 858 // stack and not, for example, "external" frames (note the current 859 // absence of a PC-to-symbol lookup mechanism at the Debugger 860 // level), we want to mark any Java frames which were interrupted 861 // by a signal. We do this by making two passes over the stack, 862 // one which finds signal handler frames and puts the parent 863 // frames in a table and one which finds Java frames and if they 864 // are in the table indicates that they were interrupted by a signal. 865 866 Map interruptedFrameMap = new HashMap(); 867 { 868 sun.jvm.hotspot.runtime.Frame tmpFrame = thread.getCurrentFrameGuess(); 869 RegisterMap tmpMap = thread.newRegisterMap(false); 870 while ((tmpFrame != null) && (!tmpFrame.isFirstFrame())) { 871 if (tmpFrame.isSignalHandlerFrameDbg()) { 872 // Add some information to the map that we can extract later 873 sun.jvm.hotspot.runtime.Frame interruptedFrame = tmpFrame.sender(tmpMap); 874 SignalInfo info = new SignalInfo(); 875 info.sigNum = tmpFrame.getSignalNumberDbg(); 876 info.sigName = tmpFrame.getSignalNameDbg(); 877 interruptedFrameMap.put(interruptedFrame, info); 878 } 879 tmpFrame = tmpFrame.sender(tmpMap); 880 } 881 } 882 883 while (vf != null) { 884 String anno = null; 885 JavaVFrame curVFrame = vf; 886 sun.jvm.hotspot.runtime.Frame curFrame = curVFrame.getFrame(); 887 Method interpreterFrameMethod = null; 888 889 if (curVFrame.isInterpretedFrame()) { 890 anno = "Interpreted frame"; 891 } else { 892 anno = "Compiled frame"; 893 if (curVFrame.isDeoptimized()) { 894 anno += " (deoptimized)"; 895 } 896 } 897 if (curVFrame.mayBeImpreciseDbg()) { 898 anno += "; information may be imprecise"; 899 } 900 901 if (curVFrame.isInterpretedFrame()) { 902 // Find the codelet 903 InterpreterCodelet codelet = VM.getVM().getInterpreter().getCodeletContaining(curFrame.getPC()); 904 String description = null; 905 if (codelet != null) { 906 description = codelet.getDescription(); 907 } 908 if (description == null) { 909 anno += "\n(Unknown interpreter codelet)"; 910 } else { 911 anno += "\nExecuting in codelet \"" + description + "\" at PC = " + curFrame.getPC(); 912 } 913 } else if (curVFrame.isCompiledFrame()) { 914 anno += "\nExecuting at PC = " + curFrame.getPC(); 915 } 916 917 if (startAddr == null) { 918 startAddr = curFrame.getSP(); 919 } 920 921 // FIXME: some compiled frames with empty oop map sets have been 922 // found (for example, Vector's inner Enumeration class, method 923 // "hasMoreElements"). Not sure yet why these cases are showing 924 // up -- should be possible (though unlikely) for safepoint code 925 // to patch the return instruction of these methods and then 926 // later attempt to get an oop map for that instruction. For 927 // now, we warn if we find such a method. 928 boolean shouldSkipOopMaps = false; 929 if (curVFrame.isCompiledFrame()) { 930 CodeBlob cb = VM.getVM().getCodeCache().findBlob(curFrame.getPC()); 931 OopMapSet maps = cb.getOopMaps(); 932 if ((maps == null) || (maps.getSize() == 0)) { 933 shouldSkipOopMaps = true; 934 } 935 } 936 937 // Add signal information to annotation if necessary 938 SignalInfo sigInfo = (SignalInfo) interruptedFrameMap.get(curFrame); 939 if (sigInfo != null) { 940 // This frame took a signal and we need to report it. 941 anno = (anno + "\n*** INTERRUPTED BY SIGNAL " + Integer.toString(sigInfo.sigNum) + 942 " (" + sigInfo.sigName + ")"); 943 } 944 945 JavaVFrame nextVFrame = curVFrame; 946 sun.jvm.hotspot.runtime.Frame nextFrame = curFrame; 947 do { 948 curVFrame = nextVFrame; 949 curFrame = nextFrame; 950 951 try { 952 Method method = curVFrame.getMethod(); 953 if (interpreterFrameMethod == null && curVFrame.isInterpretedFrame()) { 954 interpreterFrameMethod = method; 955 } 956 int bci = curVFrame.getBCI(); 957 String lineNumberAnno = ""; 958 if (method.hasLineNumberTable()) { 959 if ((bci == DebugInformationRecorder.SYNCHRONIZATION_ENTRY_BCI) || 960 (bci >= 0 && bci < method.getCodeSize())) { 961 lineNumberAnno = ", line " + method.getLineNumberFromBCI(bci); 962 } else { 963 lineNumberAnno = " (INVALID BCI)"; 964 } 965 } 966 anno += "\n" + method.getMethodHolder().getName().asString() + "." + 967 method.getName().asString() + method.getSignature().asString() + 968 "\n@bci " + bci + lineNumberAnno; 969 } catch (Exception e) { 970 anno += "\n(ERROR while iterating vframes for frame " + curFrame + ")"; 971 } 972 973 nextVFrame = curVFrame.javaSender(); 974 if (nextVFrame != null) { 975 nextFrame = nextVFrame.getFrame(); 976 } 977 } while (nextVFrame != null && nextFrame.equals(curFrame)); 978 979 if (shouldSkipOopMaps) { 980 anno = anno + "\nNOTE: null or empty OopMapSet found for this CodeBlob"; 981 } 982 983 if (curFrame.getFP() != null) { 984 annoPanel.addAnnotation(new Annotation(curFrame.getSP(), 985 curFrame.getFP(), 986 anno)); 987 } else { 988 if (VM.getVM().getCPU().equals("x86") || VM.getVM().getCPU().equals("amd64")) { 989 // For C2, which has null frame pointers on x86/amd64 990 CodeBlob cb = VM.getVM().getCodeCache().findBlob(curFrame.getPC()); 991 Address sp = curFrame.getSP(); 992 if (Assert.ASSERTS_ENABLED) { 993 Assert.that(cb.getFrameSize() > 0, "CodeBlob must have non-zero frame size"); 994 } 995 annoPanel.addAnnotation(new Annotation(sp, 996 sp.addOffsetTo(cb.getFrameSize()), 997 anno)); 998 } else { 999 Assert.that(VM.getVM().getCPU().equals("ia64"), "only ia64 should reach here"); 1000 } 1001 } 1002 1003 // Add interpreter frame annotations 1004 if (curFrame.isInterpretedFrame()) { 1005 annoPanel.addAnnotation(new Annotation(curFrame.addressOfInterpreterFrameExpressionStack(), 1006 curFrame.addressOfInterpreterFrameTOS(), 1007 "Interpreter expression stack")); 1008 Address monBegin = curFrame.interpreterFrameMonitorBegin().address(); 1009 Address monEnd = curFrame.interpreterFrameMonitorEnd().address(); 1010 if (!monBegin.equals(monEnd)) { 1011 annoPanel.addAnnotation(new Annotation(monBegin, monEnd, 1012 "BasicObjectLocks")); 1013 } 1014 if (interpreterFrameMethod != null) { 1015 // The offset is just to get the right stack slots highlighted in the output 1016 int offset = 1; 1017 annoPanel.addAnnotation(new Annotation(curFrame.addressOfInterpreterFrameLocal(offset), 1018 curFrame.addressOfInterpreterFrameLocal((int) interpreterFrameMethod.getMaxLocals() + offset), 1019 "Interpreter locals area for frame with SP = " + curFrame.getSP())); 1020 } 1021 String methodAnno = "Interpreter frame Method*"; 1022 if (interpreterFrameMethod == null) { 1023 methodAnno += " (BAD OOP)"; 1024 } 1025 Address a = curFrame.addressOfInterpreterFrameMethod(); 1026 annoPanel.addAnnotation(new Annotation(a, a.addOffsetTo(addressSize), methodAnno)); 1027 a = curFrame.addressOfInterpreterFrameCPCache(); 1028 annoPanel.addAnnotation(new Annotation(a, a.addOffsetTo(addressSize), "Interpreter constant pool cache")); 1029 } 1030 1031 RegisterMap rm = (RegisterMap) vf.getRegisterMap().clone(); 1032 if (!shouldSkipOopMaps) { 1033 try { 1034 curFrame.oopsDo(new AddressVisitor() { 1035 public void visitAddress(Address addr) { 1036 if (Assert.ASSERTS_ENABLED) { 1037 Assert.that(addr.andWithMask(VM.getVM().getAddressSize() - 1) == null, 1038 "Address " + addr + "should have been aligned"); 1039 } 1040 OopHandle handle = addr.getOopHandleAt(0); 1041 addAnnotation(addr, handle); 1042 } 1043 1044 public void visitCompOopAddress(Address addr) { 1045 if (Assert.ASSERTS_ENABLED) { 1046 Assert.that(addr.andWithMask(VM.getVM().getAddressSize() - 1) == null, 1047 "Address " + addr + "should have been aligned"); 1048 } 1049 OopHandle handle = addr.getCompOopHandleAt(0); 1050 addAnnotation(addr, handle); 1051 } 1052 1053 public void addAnnotation(Address addr, OopHandle handle) { 1054 // Check contents 1055 String anno = "null oop"; 1056 if (handle != null) { 1057 // Find location 1058 CollectedHeap collHeap = VM.getVM().getUniverse().heap(); 1059 boolean bad = true; 1060 anno = "BAD OOP"; 1061 if (collHeap instanceof GenCollectedHeap) { 1062 GenCollectedHeap heap = (GenCollectedHeap) collHeap; 1063 for (int i = 0; i < heap.nGens(); i++) { 1064 if (heap.getGen(i).isIn(handle)) { 1065 if (i == 0) { 1066 anno = "NewGen "; 1067 } else if (i == 1) { 1068 anno = "OldGen "; 1069 } else { 1070 anno = "Gen " + i + " "; 1071 } 1072 bad = false; 1073 break; 1074 } 1075 } 1076 1077 } else if (collHeap instanceof ParallelScavengeHeap) { 1078 ParallelScavengeHeap heap = (ParallelScavengeHeap) collHeap; 1079 if (heap.youngGen().isIn(handle)) { 1080 anno = "PSYoungGen "; 1081 bad = false; 1082 } else if (heap.oldGen().isIn(handle)) { 1083 anno = "PSOldGen "; 1084 bad = false; 1085 } 1086 } else { 1087 // Optimistically assume the oop isn't bad 1088 anno = "[Unknown generation] "; 1089 bad = false; 1090 } 1091 1092 if (!bad) { 1093 try { 1094 Oop oop = VM.getVM().getObjectHeap().newOop(handle); 1095 if (oop instanceof Instance) { 1096 // Java-level objects always have workable names 1097 anno = anno + oop.getKlass().getName().asString(); 1098 } else { 1099 ByteArrayOutputStream bos = new ByteArrayOutputStream(); 1100 Oop.printOopValueOn(oop, new PrintStream(bos)); 1101 anno = anno + bos.toString(); 1102 } 1103 } 1104 catch (AddressException e) { 1105 anno += "CORRUPT OOP"; 1106 } 1107 catch (NullPointerException e) { 1108 anno += "CORRUPT OOP (null pointer)"; 1109 } 1110 } 1111 } 1112 1113 annoPanel.addAnnotation(new Annotation(addr, addr.addOffsetTo(addressSize), anno)); 1114 } 1115 }, rm); 1116 } catch (Exception e) { 1117 System.err.println("Error while performing oopsDo for frame " + curFrame); 1118 e.printStackTrace(); 1119 } 1120 } 1121 1122 vf = nextVFrame; 1123 } 1124 1125 // This used to paint as we walked the frames. This caused the display to be refreshed 1126 // enough to be annoying on remote displays. It also would cause the annotations to 1127 // be displayed in varying order which caused some annotations to overwrite others 1128 // depending on the races between painting and adding annotations. This latter problem 1129 // still exists to some degree but moving this code here definitely seems to reduce it 1130 annoPanel.makeVisible(startAddr); 1131 annoPanel.repaint(); 1132 } 1133 }); 1134 } 1135 1136 // Attach to existing JVMDebugger, which should be already attached to a core/process. 1137 private void attach(JVMDebugger d) { 1138 attached = true; 1139 showThreadsDialog(); 1140 } 1141 1142 /** NOTE we are in a different thread here than either the main 1143 thread or the Swing/AWT event handler thread, so we must be very 1144 careful when creating or removing widgets */ 1145 private void attach(String pidText) { 1146 try { 1147 this.pidText = pidText; 1148 pid = Integer.parseInt(pidText); 1149 } 1150 catch (NumberFormatException e) { 1151 SwingUtilities.invokeLater(new Runnable() { 1152 public void run() { 1153 setMenuItemsEnabled(attachMenuItems, true); 1154 JOptionPane.showInternalMessageDialog(desktop, 1155 "Unable to parse process ID \"" + HSDB.this.pidText + "\".\nPlease enter a number.", 1156 "Parse error", 1157 JOptionPane.WARNING_MESSAGE); 1158 } 1159 }); 1160 return; 1161 } 1162 1163 // Try to attach to this process 1164 Runnable remover = new Runnable() { 1165 public void run() { 1166 attachWaitDialog.setVisible(false); 1167 desktop.remove(attachWaitDialog); 1168 attachWaitDialog = null; 1169 } 1170 }; 1171 1172 try { 1173 SwingUtilities.invokeLater(new Runnable() { 1174 public void run() { 1175 JOptionPane pane = new JOptionPane("Attaching to process " + pid + ", please wait...", JOptionPane.INFORMATION_MESSAGE); 1176 pane.setOptions(new Object[] {}); 1177 attachWaitDialog = pane.createInternalFrame(desktop, "Attaching to Process"); 1178 attachWaitDialog.show(); 1179 } 1180 }); 1181 1182 // FIXME: display exec'd debugger's output messages during this 1183 // lengthy call 1184 agent.attach(pid); 1185 if (agent.getDebugger().hasConsole()) { 1186 showDbgConsoleMenuItem.setEnabled(true); 1187 } 1188 attached = true; 1189 SwingUtilities.invokeLater(remover); 1190 } 1191 catch (DebuggerException e) { 1192 SwingUtilities.invokeLater(remover); 1193 final String errMsg = formatMessage(e.getMessage(), 80); 1194 SwingUtilities.invokeLater(new Runnable() { 1195 public void run() { 1196 setMenuItemsEnabled(attachMenuItems, true); 1197 JOptionPane.showInternalMessageDialog(desktop, 1198 "Unable to connect to process ID " + pid + ":\n\n" + errMsg, 1199 "Unable to Connect", 1200 JOptionPane.WARNING_MESSAGE); 1201 } 1202 }); 1203 agent.detach(); 1204 return; 1205 } 1206 1207 // OK, the VM should be available. Create the Threads dialog. 1208 showThreadsDialog(); 1209 } 1210 1211 /** NOTE we are in a different thread here than either the main 1212 thread or the Swing/AWT event handler thread, so we must be very 1213 careful when creating or removing widgets */ 1214 private void attach(final String executablePath, final String corePath) { 1215 // Try to open this core file 1216 Runnable remover = new Runnable() { 1217 public void run() { 1218 attachWaitDialog.setVisible(false); 1219 desktop.remove(attachWaitDialog); 1220 attachWaitDialog = null; 1221 } 1222 }; 1223 1224 try { 1225 SwingUtilities.invokeLater(new Runnable() { 1226 public void run() { 1227 JOptionPane pane = new JOptionPane("Opening core file, please wait...", JOptionPane.INFORMATION_MESSAGE); 1228 pane.setOptions(new Object[] {}); 1229 attachWaitDialog = pane.createInternalFrame(desktop, "Opening Core File"); 1230 attachWaitDialog.show(); 1231 } 1232 }); 1233 1234 // FIXME: display exec'd debugger's output messages during this 1235 // lengthy call 1236 agent.attach(executablePath, corePath); 1237 if (agent.getDebugger().hasConsole()) { 1238 showDbgConsoleMenuItem.setEnabled(true); 1239 } 1240 attached = true; 1241 SwingUtilities.invokeLater(remover); 1242 } 1243 catch (DebuggerException e) { 1244 SwingUtilities.invokeLater(remover); 1245 final String errMsg = formatMessage(e.getMessage(), 80); 1246 SwingUtilities.invokeLater(new Runnable() { 1247 public void run() { 1248 setMenuItemsEnabled(attachMenuItems, true); 1249 JOptionPane.showInternalMessageDialog(desktop, 1250 "Unable to open core file\n" + corePath + ":\n\n" + errMsg, 1251 "Unable to Open Core File", 1252 JOptionPane.WARNING_MESSAGE); 1253 } 1254 }); 1255 agent.detach(); 1256 return; 1257 } 1258 1259 // OK, the VM should be available. Create the Threads dialog. 1260 showThreadsDialog(); 1261 } 1262 1263 /** NOTE we are in a different thread here than either the main 1264 thread or the Swing/AWT event handler thread, so we must be very 1265 careful when creating or removing widgets */ 1266 private void connect(final String remoteMachineName) { 1267 // Try to open this core file 1268 Runnable remover = new Runnable() { 1269 public void run() { 1270 attachWaitDialog.setVisible(false); 1271 desktop.remove(attachWaitDialog); 1272 attachWaitDialog = null; 1273 } 1274 }; 1275 1276 try { 1277 SwingUtilities.invokeLater(new Runnable() { 1278 public void run() { 1279 JOptionPane pane = new JOptionPane("Connecting to debug server, please wait...", JOptionPane.INFORMATION_MESSAGE); 1280 pane.setOptions(new Object[] {}); 1281 attachWaitDialog = pane.createInternalFrame(desktop, "Connecting to Debug Server"); 1282 attachWaitDialog.show(); 1283 } 1284 }); 1285 1286 agent.attach(remoteMachineName); 1287 if (agent.getDebugger().hasConsole()) { 1288 showDbgConsoleMenuItem.setEnabled(true); 1289 } 1290 attached = true; 1291 SwingUtilities.invokeLater(remover); 1292 } 1293 catch (DebuggerException e) { 1294 SwingUtilities.invokeLater(remover); 1295 final String errMsg = formatMessage(e.getMessage(), 80); 1296 SwingUtilities.invokeLater(new Runnable() { 1297 public void run() { 1298 setMenuItemsEnabled(attachMenuItems, true); 1299 JOptionPane.showInternalMessageDialog(desktop, 1300 "Unable to connect to machine \"" + remoteMachineName + "\":\n\n" + errMsg, 1301 "Unable to Connect", 1302 JOptionPane.WARNING_MESSAGE); 1303 } 1304 }); 1305 agent.detach(); 1306 return; 1307 } 1308 1309 // OK, the VM should be available. Create the Threads dialog. 1310 showThreadsDialog(); 1311 } 1312 1313 private void detachDebugger() { 1314 if (!attached) { 1315 return; 1316 } 1317 agent.detach(); 1318 attached = false; 1319 } 1320 1321 private void detach() { 1322 detachDebugger(); 1323 attachWaitDialog = null; 1324 threadsFrame = null; 1325 consoleFrame = null; 1326 setMenuItemsEnabled(attachMenuItems, true); 1327 setMenuItemsEnabled(detachMenuItems, false); 1328 toolsMenu.setEnabled(false); 1329 showDbgConsoleMenuItem.setEnabled(false); 1330 // FIXME: is this sufficient, or will I have to do anything else 1331 // to the components to kill them off? What about WorkerThreads? 1332 desktop.removeAll(); 1333 desktop.invalidate(); 1334 desktop.validate(); 1335 desktop.repaint(); 1336 } 1337 1338 /** NOTE that this is called from another thread than the main or 1339 Swing thread and we have to be careful about synchronization */ 1340 private void showThreadsDialog() { 1341 SwingUtilities.invokeLater(new Runnable() { 1342 public void run() { 1343 threadsFrame = new JInternalFrame("Java Threads"); 1344 threadsFrame.setResizable(true); 1345 threadsFrame.setIconifiable(true); 1346 JavaThreadsPanel threadsPanel = new JavaThreadsPanel(); 1347 threadsPanel.addPanelListener(HSDB.this); 1348 threadsFrame.getContentPane().add(threadsPanel); 1349 threadsFrame.setSize(500, 300); 1350 threadsFrame.pack(); 1351 desktop.add(threadsFrame); 1352 GraphicsUtilities.moveToInContainer(threadsFrame, 0.75f, 0.25f, 0, 20); 1353 threadsFrame.show(); 1354 setMenuItemsEnabled(attachMenuItems, false); 1355 setMenuItemsEnabled(detachMenuItems, true); 1356 toolsMenu.setEnabled(true); 1357 VM.registerVMInitializedObserver(new Observer() { 1358 public void update(Observable o, Object data) { 1359 computeRevPtrsMenuItem.setEnabled(true); 1360 } 1361 }); 1362 } 1363 }); 1364 } 1365 1366 private void showObjectHistogram() { 1367 sun.jvm.hotspot.oops.ObjectHistogram histo = new sun.jvm.hotspot.oops.ObjectHistogram(); 1368 ObjectHistogramCleanupThunk cleanup = 1369 new ObjectHistogramCleanupThunk(histo); 1370 doHeapIteration("Object Histogram", 1371 "Generating histogram...", 1372 histo, 1373 cleanup); 1374 } 1375 1376 class ObjectHistogramCleanupThunk implements CleanupThunk { 1377 sun.jvm.hotspot.oops.ObjectHistogram histo; 1378 1379 ObjectHistogramCleanupThunk(sun.jvm.hotspot.oops.ObjectHistogram histo) { 1380 this.histo = histo; 1381 } 1382 1383 public void heapIterationComplete() { 1384 SwingUtilities.invokeLater(new Runnable() { 1385 public void run() { 1386 JInternalFrame histoFrame = new JInternalFrame("Object Histogram"); 1387 histoFrame.setResizable(true); 1388 histoFrame.setClosable(true); 1389 histoFrame.setIconifiable(true); 1390 histoFrame.getContentPane().setLayout(new BorderLayout()); 1391 ObjectHistogramPanel panel = new ObjectHistogramPanel(histo); 1392 panel.addPanelListener(HSDB.this); 1393 histoFrame.getContentPane().add(panel); 1394 desktop.add(histoFrame); 1395 GraphicsUtilities.reshapeToAspectRatio(histoFrame, 4.0f / 3.0f, 0.6f, 1396 histoFrame.getParent().getSize()); 1397 GraphicsUtilities.centerInContainer(histoFrame); 1398 histoFrame.show(); 1399 } 1400 }); 1401 } 1402 } 1403 1404 public void showObjectsOfType(Klass type) { 1405 FindObjectByType finder = new FindObjectByType(type); 1406 FindObjectByTypeCleanupThunk cleanup = 1407 new FindObjectByTypeCleanupThunk(finder); 1408 ByteArrayOutputStream bos = new ByteArrayOutputStream(); 1409 type.printValueOn(new PrintStream(bos)); 1410 String typeName = bos.toString(); 1411 doHeapIteration("Show Objects Of Type", 1412 "Finding instances of \"" + typeName + "\"", 1413 finder, 1414 cleanup); 1415 } 1416 1417 class FindObjectByTypeCleanupThunk implements CleanupThunk { 1418 FindObjectByType finder; 1419 1420 FindObjectByTypeCleanupThunk(FindObjectByType finder) { 1421 this.finder = finder; 1422 } 1423 1424 public void heapIterationComplete() { 1425 SwingUtilities.invokeLater(new Runnable() { 1426 public void run() { 1427 JInternalFrame finderFrame = new JInternalFrame("Show Objects of Type"); 1428 finderFrame.getContentPane().setLayout(new BorderLayout()); 1429 finderFrame.setResizable(true); 1430 finderFrame.setClosable(true); 1431 finderFrame.setIconifiable(true); 1432 ObjectListPanel panel = new ObjectListPanel(finder.getResults(), 1433 new HeapProgress("Reverse Pointers Analysis")); 1434 panel.addPanelListener(HSDB.this); 1435 finderFrame.getContentPane().add(panel); 1436 desktop.add(finderFrame); 1437 GraphicsUtilities.reshapeToAspectRatio(finderFrame, 4.0f / 3.0f, 0.6f, 1438 finderFrame.getParent().getSize()); 1439 GraphicsUtilities.centerInContainer(finderFrame); 1440 finderFrame.show(); 1441 } 1442 }); 1443 } 1444 } 1445 1446 private void showDebuggerConsole() { 1447 if (consoleFrame == null) { 1448 consoleFrame = new JInternalFrame("Debugger Console"); 1449 consoleFrame.setResizable(true); 1450 consoleFrame.setClosable(true); 1451 consoleFrame.setIconifiable(true); 1452 consoleFrame.getContentPane().setLayout(new BorderLayout()); 1453 consoleFrame.getContentPane().add(new DebuggerConsolePanel(agent.getDebugger()), BorderLayout.CENTER); 1454 GraphicsUtilities.reshapeToAspectRatio(consoleFrame, 5.0f, 0.9f, desktop.getSize()); 1455 } 1456 if (consoleFrame.getParent() == null) { 1457 desktop.add(consoleFrame); 1458 } 1459 consoleFrame.setVisible(true); 1460 consoleFrame.show(); 1461 consoleFrame.getContentPane().getComponent(0).requestFocus(); 1462 } 1463 1464 private void showConsole() { 1465 CommandProcessor.DebuggerInterface di = new CommandProcessor.DebuggerInterface() { 1466 public HotSpotAgent getAgent() { 1467 return agent; 1468 } 1469 public boolean isAttached() { 1470 return attached; 1471 } 1472 public void attach(String pid) { 1473 attach(pid); 1474 } 1475 public void attach(String java, String core) { 1476 } 1477 public void detach() { 1478 detachDebugger(); 1479 } 1480 public void reattach() { 1481 if (attached) { 1482 detachDebugger(); 1483 } 1484 if (pidText != null) { 1485 attach(pidText); 1486 } else { 1487 attach(execPath, coreFilename); 1488 } 1489 } 1490 }; 1491 1492 showPanel("Command Line", new CommandProcessorPanel(new CommandProcessor(di, null, null, null))); 1493 } 1494 1495 private void showFindByQueryPanel() { 1496 showPanel("Find Object by Query", new FindByQueryPanel()); 1497 } 1498 1499 private void showFindPanel() { 1500 showPanel("Find Pointer", new FindPanel()); 1501 } 1502 1503 private void showFindInHeapPanel() { 1504 showPanel("Find Address In Heap", new FindInHeapPanel()); 1505 } 1506 1507 private void showFindInCodeCachePanel() { 1508 showPanel("Find Address In Code Cache", new FindInCodeCachePanel()); 1509 } 1510 1511 private void showHeapParametersPanel() { 1512 showPanel("Heap Parameters", new HeapParametersPanel()); 1513 } 1514 1515 public void showThreadInfo(final JavaThread thread) { 1516 showPanel("Info for " + thread.getThreadName(), new ThreadInfoPanel(thread)); 1517 } 1518 1519 public void showJavaStackTrace(final JavaThread thread) { 1520 JavaStackTracePanel jstp = new JavaStackTracePanel(); 1521 showPanel("Java stack trace for " + thread.getThreadName(), jstp); 1522 jstp.setJavaThread(thread); 1523 } 1524 1525 private void showDeadlockDetectionPanel() { 1526 showPanel("Deadlock Detection", new DeadlockDetectionPanel()); 1527 } 1528 1529 private void showMonitorCacheDumpPanel() { 1530 showPanel("Monitor Cache Dump", new MonitorCacheDumpPanel()); 1531 } 1532 1533 public void showClassBrowser() { 1534 final JInternalFrame progressFrame = new JInternalFrame("Class Browser"); 1535 progressFrame.setResizable(true); 1536 progressFrame.setClosable(true); 1537 progressFrame.setIconifiable(true); 1538 progressFrame.getContentPane().setLayout(new BorderLayout()); 1539 final ProgressBarPanel bar = new ProgressBarPanel("Generating class list .."); 1540 bar.setIndeterminate(true); 1541 progressFrame.getContentPane().add(bar, BorderLayout.CENTER); 1542 desktop.add(progressFrame); 1543 progressFrame.pack(); 1544 GraphicsUtilities.centerInContainer(progressFrame); 1545 progressFrame.show(); 1546 1547 workerThread.invokeLater(new Runnable() { 1548 public void run() { 1549 HTMLGenerator htmlGen = new HTMLGenerator(); 1550 InstanceKlass[] klasses = SystemDictionaryHelper.getAllInstanceKlasses(); 1551 final String htmlText = htmlGen.genHTMLForKlassNames(klasses); 1552 SwingUtilities.invokeLater(new Runnable() { 1553 public void run() { 1554 JInternalFrame cbFrame = new JInternalFrame("Class Browser"); 1555 cbFrame.getContentPane().setLayout(new BorderLayout()); 1556 cbFrame.setResizable(true); 1557 cbFrame.setClosable(true); 1558 cbFrame.setIconifiable(true); 1559 ClassBrowserPanel cbPanel = new ClassBrowserPanel(); 1560 cbFrame.getContentPane().add(cbPanel, BorderLayout.CENTER); 1561 desktop.remove(progressFrame); 1562 desktop.repaint(); 1563 desktop.add(cbFrame); 1564 GraphicsUtilities.reshapeToAspectRatio(cbFrame, 1.25f, 0.85f, 1565 cbFrame.getParent().getSize()); 1566 cbFrame.show(); 1567 cbPanel.setClassesText(htmlText); 1568 } 1569 }); 1570 } 1571 }); 1572 } 1573 1574 public void showCodeViewer() { 1575 showPanel("Code Viewer", new CodeViewerPanel(), 1.25f, 0.85f); 1576 } 1577 1578 public void showCodeViewer(final Address address) { 1579 final CodeViewerPanel panel = new CodeViewerPanel(); 1580 showPanel("Code Viewer", panel, 1.25f, 0.85f); 1581 SwingUtilities.invokeLater(new Runnable() { 1582 public void run() { 1583 panel.viewAddress(address); 1584 } 1585 }); 1586 1587 } 1588 1589 public void showMemoryViewer() { 1590 showPanel("Memory Viewer", new MemoryViewer(agent.getDebugger(), agent.getTypeDataBase().getAddressSize() == 8)); 1591 } 1592 1593 public void showCommandLineFlags() { 1594 showPanel("Command Line Flags", new VMFlagsPanel()); 1595 } 1596 1597 public void showVMVersion() { 1598 showPanel("VM Version Info", new VMVersionInfoPanel()); 1599 } 1600 1601 public void showSystemProperties() { 1602 showPanel("System Properties", new SysPropsPanel()); 1603 } 1604 1605 private void showPanel(String name, JPanel panel) { 1606 showPanel(name, panel, 5.0f / 3.0f, 0.4f); 1607 } 1608 1609 private void showPanel(String name, JPanel panel, float aspectRatio, float fillRatio) { 1610 JInternalFrame frame = new JInternalFrame(name); 1611 frame.getContentPane().setLayout(new BorderLayout()); 1612 frame.setResizable(true); 1613 frame.setClosable(true); 1614 frame.setIconifiable(true); 1615 frame.setMaximizable(true); 1616 frame.getContentPane().add(panel, BorderLayout.CENTER); 1617 desktop.add(frame); 1618 GraphicsUtilities.reshapeToAspectRatio(frame, aspectRatio, fillRatio, frame.getParent().getSize()); 1619 GraphicsUtilities.randomLocation(frame); 1620 frame.show(); 1621 if (panel instanceof SAPanel) { 1622 ((SAPanel)panel).addPanelListener(this); 1623 } 1624 } 1625 1626 //-------------------------------------------------------------------------------- 1627 // Framework for heap iteration with progress bar 1628 // 1629 1630 interface CleanupThunk { 1631 public void heapIterationComplete(); 1632 } 1633 1634 class HeapProgress implements HeapProgressThunk { 1635 private JInternalFrame frame; 1636 private ProgressBarPanel bar; 1637 private String windowTitle; 1638 private String progressBarTitle; 1639 private CleanupThunk cleanup; 1640 1641 HeapProgress(String windowTitle) { 1642 this(windowTitle, "Percentage of heap visited", null); 1643 } 1644 1645 HeapProgress(String windowTitle, String progressBarTitle) { 1646 this(windowTitle, progressBarTitle, null); 1647 } 1648 1649 HeapProgress(String windowTitle, String progressBarTitle, CleanupThunk cleanup) { 1650 this.windowTitle = windowTitle; 1651 this.progressBarTitle = progressBarTitle; 1652 this.cleanup = cleanup; 1653 } 1654 1655 public void heapIterationFractionUpdate(final double fractionOfHeapVisited) { 1656 if (frame == null) { 1657 SwingUtilities.invokeLater(new Runnable() { 1658 public void run() { 1659 frame = new JInternalFrame(windowTitle); 1660 frame.setResizable(true); 1661 frame.setIconifiable(true); 1662 frame.getContentPane().setLayout(new BorderLayout()); 1663 bar = new ProgressBarPanel(progressBarTitle); 1664 frame.getContentPane().add(bar, BorderLayout.CENTER); 1665 desktop.add(frame); 1666 frame.pack(); 1667 GraphicsUtilities.constrainToSize(frame, frame.getParent().getSize()); 1668 GraphicsUtilities.centerInContainer(frame); 1669 frame.show(); 1670 } 1671 }); 1672 } 1673 1674 SwingUtilities.invokeLater(new Runnable() { 1675 public void run() { 1676 bar.setValue(fractionOfHeapVisited); 1677 } 1678 }); 1679 } 1680 1681 public void heapIterationComplete() { 1682 SwingUtilities.invokeLater(new Runnable() { 1683 public void run() { 1684 desktop.remove(frame); 1685 desktop.repaint(); 1686 if (VM.getVM().getRevPtrs() != null) { 1687 // Ended up computing reverse pointers as a side-effect 1688 computeRevPtrsMenuItem.setEnabled(false); 1689 } 1690 } 1691 }); 1692 1693 if (cleanup != null) { 1694 cleanup.heapIterationComplete(); 1695 } 1696 } 1697 } 1698 1699 class VisitHeap implements Runnable { 1700 HeapVisitor visitor; 1701 1702 VisitHeap(HeapVisitor visitor) { 1703 this.visitor = visitor; 1704 } 1705 1706 public void run() { 1707 VM.getVM().getObjectHeap().iterate(visitor); 1708 } 1709 } 1710 1711 private void doHeapIteration(String frameTitle, 1712 String progressBarText, 1713 HeapVisitor visitor, 1714 CleanupThunk cleanup) { 1715 sun.jvm.hotspot.oops.ObjectHistogram histo = new sun.jvm.hotspot.oops.ObjectHistogram(); 1716 HeapProgress progress = new HeapProgress(frameTitle, 1717 progressBarText, 1718 cleanup); 1719 HeapVisitor progVisitor = new ProgressiveHeapVisitor(visitor, progress); 1720 workerThread.invokeLater(new VisitHeap(progVisitor)); 1721 } 1722 1723 //-------------------------------------------------------------------------------- 1724 // Stack trace helper 1725 // 1726 1727 private static JavaVFrame getLastJavaVFrame(JavaThread cur) { 1728 RegisterMap regMap = cur.newRegisterMap(true); 1729 sun.jvm.hotspot.runtime.Frame f = cur.getCurrentFrameGuess(); 1730 if (f == null) return null; 1731 boolean imprecise = true; 1732 if (f.isInterpretedFrame() && !f.isInterpretedFrameValid()) { 1733 System.err.println("Correcting for invalid interpreter frame"); 1734 f = f.sender(regMap); 1735 imprecise = false; 1736 } 1737 VFrame vf = VFrame.newVFrame(f, regMap, cur, true, imprecise); 1738 if (vf == null) { 1739 System.err.println(" (Unable to create vframe for topmost frame guess)"); 1740 return null; 1741 } 1742 if (vf.isJavaFrame()) { 1743 return (JavaVFrame) vf; 1744 } 1745 return (JavaVFrame) vf.javaSender(); 1746 } 1747 1748 // Internal routine for debugging 1749 private static void dumpStack(JavaThread cur) { 1750 RegisterMap regMap = cur.newRegisterMap(true); 1751 sun.jvm.hotspot.runtime.Frame f = cur.getCurrentFrameGuess(); 1752 PrintStream tty = System.err; 1753 while (f != null) { 1754 tty.print("Found "); 1755 if (f.isInterpretedFrame()) { tty.print("interpreted"); } 1756 else if (f.isCompiledFrame()) { tty.print("compiled"); } 1757 else if (f.isEntryFrame()) { tty.print("entry"); } 1758 else if (f.isNativeFrame()) { tty.print("native"); } 1759 else if (f.isRuntimeFrame()) { tty.print("runtime"); } 1760 else { tty.print("external"); } 1761 tty.print(" frame with PC = " + f.getPC() + ", SP = " + f.getSP() + ", FP = " + f.getFP()); 1762 if (f.isSignalHandlerFrameDbg()) { 1763 tty.print(" (SIGNAL HANDLER)"); 1764 } 1765 tty.println(); 1766 1767 if (!f.isFirstFrame()) { 1768 f = f.sender(regMap); 1769 } else { 1770 f = null; 1771 } 1772 } 1773 } 1774 1775 //-------------------------------------------------------------------------------- 1776 // Component utilities 1777 // 1778 1779 private static JMenuItem createMenuItem(String name, ActionListener l) { 1780 JMenuItem item = new JMenuItem(name); 1781 item.addActionListener(l); 1782 return item; 1783 } 1784 1785 /** Punctuates the given string with \n's where necessary to not 1786 exceed the given number of characters per line. Strips 1787 extraneous whitespace. */ 1788 private String formatMessage(String message, int charsPerLine) { 1789 StringBuffer buf = new StringBuffer(message.length()); 1790 StringTokenizer tokenizer = new StringTokenizer(message); 1791 int curLineLength = 0; 1792 while (tokenizer.hasMoreTokens()) { 1793 String tok = tokenizer.nextToken(); 1794 if (curLineLength + tok.length() > charsPerLine) { 1795 buf.append('\n'); 1796 curLineLength = 0; 1797 } else { 1798 if (curLineLength != 0) { 1799 buf.append(' '); 1800 ++curLineLength; 1801 } 1802 } 1803 buf.append(tok); 1804 curLineLength += tok.length(); 1805 } 1806 return buf.toString(); 1807 } 1808 1809 private void setMenuItemsEnabled(java.util.List items, boolean enabled) { 1810 for (Iterator iter = items.iterator(); iter.hasNext(); ) { 1811 ((JMenuItem) iter.next()).setEnabled(enabled); 1812 } 1813 } 1814 }