--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/tools/StackTrace.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2002-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.tools;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.oops.*;
+
+/** Traverses and prints the stack traces for all Java threads in the
+ * remote VM */
+public class StackTrace extends Tool {
+    // in non-verbose mode pc, sp and methodOop are not printed
+    public StackTrace(boolean v, boolean concurrentLocks) {
+        this.verbose = v;
+        this.concurrentLocks = concurrentLocks;
+    }
+
+    public StackTrace() {
+        this(true, true);
+    }
+
+    public void run() {
+        run(System.out);
+    }
+
+    public void run(java.io.PrintStream tty) {
+        // Ready to go with the database...
+        try {
+            // print deadlock information before stack trace
+            DeadlockDetector.print(tty);
+        } catch (Exception exp) {
+            exp.printStackTrace();
+            tty.println("Can't print deadlocks:" + exp.getMessage());
+        }
+
+        try {
+            ConcurrentLocksPrinter concLocksPrinter = null;
+            if (concurrentLocks) {
+                concLocksPrinter = new ConcurrentLocksPrinter();
+            }
+            Threads threads = VM.getVM().getThreads();
+            int i = 1;
+            for (JavaThread cur = threads.first(); cur != null; cur = cur.next(), i++) {
+                if (cur.isJavaThread()) {
+                    Address sp = cur.getLastJavaSP();
+                    tty.print("Thread ");
+                    cur.printThreadIDOn(tty);
+                    tty.print(": (state = " + cur.getThreadState());
+                    if (verbose) {
+                        tty.println(", current Java SP = " + sp);
+                    }
+                    tty.println(')');
+                    try {
+                        for (JavaVFrame vf = cur.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) {
+                            Method method = vf.getMethod();
+                            tty.print(" - " + method.externalNameAndSignature() +
+                            " @bci=" + vf.getBCI());
+
+                            int lineNumber = method.getLineNumberFromBCI(vf.getBCI());
+                            if (lineNumber != -1) {
+                                tty.print(", line=" + lineNumber);
+                            }
+
+                            if (verbose) {
+                                Address pc = vf.getFrame().getPC();
+                                if (pc != null) {
+                                    tty.print(", pc=" + pc);
+                                }
+
+                                tty.print(", methodOop=" + method.getHandle());
+                            }
+
+                            if (vf.isCompiledFrame()) {
+                                tty.print(" (Compiled frame");
+                                if (vf.isDeoptimized()) {
+                                  tty.print(" [deoptimized]");
+                                }
+                            }
+                            if (vf.isInterpretedFrame()) {
+                                tty.print(" (Interpreted frame");
+                            }
+                            if (vf.mayBeImpreciseDbg()) {
+                                tty.print("; information may be imprecise");
+                            }
+
+                            tty.println(")");
+                        }
+                    } catch (Exception e) {
+                        tty.println("Error occurred during stack walking:");
+                        e.printStackTrace();
+                    }
+                    tty.println();
+                    if (concurrentLocks) {
+                        concLocksPrinter.print(cur, tty);
+                    }
+                    tty.println();
+              }
+          }
+      }
+      catch (AddressException e) {
+        System.err.println("Error accessing address 0x" + Long.toHexString(e.getAddress()));
+        e.printStackTrace();
+      }
+   }
+
+   public static void main(String[] args) {
+      StackTrace st = new StackTrace();
+      st.start(args);
+      st.stop();
+   }
+
+   private boolean verbose;
+   private boolean concurrentLocks;
+}