| author | coleenp |
| Sun, 13 Apr 2008 17:43:42 -0400 | |
| changeset 360 | 21d113ecbf6a |
| parent 1 | 489c9b5090e2 |
| child 670 | ddf3e9583f2f |
| permissions | -rw-r--r-- |
| 1 | 1 |
/* |
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* Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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* |
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*/ |
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package sun.jvm.hotspot; |
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import java.io.*; |
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import java.math.*; |
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import java.util.*; |
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import java.util.regex.*; |
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import sun.jvm.hotspot.types.Type; |
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import sun.jvm.hotspot.types.Field; |
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import sun.jvm.hotspot.HotSpotTypeDataBase; |
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import sun.jvm.hotspot.types.basic.BasicType; |
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import sun.jvm.hotspot.types.CIntegerType; |
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import sun.jvm.hotspot.code.*; |
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import sun.jvm.hotspot.compiler.*; |
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import sun.jvm.hotspot.debugger.*; |
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import sun.jvm.hotspot.interpreter.*; |
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import sun.jvm.hotspot.memory.*; |
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import sun.jvm.hotspot.oops.*; |
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import sun.jvm.hotspot.runtime.*; |
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import sun.jvm.hotspot.utilities.*; |
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import sun.jvm.hotspot.utilities.soql.*; |
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import sun.jvm.hotspot.ui.classbrowser.*; |
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import sun.jvm.hotspot.ui.tree.*; |
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import sun.jvm.hotspot.tools.*; |
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import sun.jvm.hotspot.tools.ObjectHistogram; |
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import sun.jvm.hotspot.tools.StackTrace; |
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public class CommandProcessor {
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public abstract static class DebuggerInterface {
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public abstract HotSpotAgent getAgent(); |
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public abstract boolean isAttached(); |
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public abstract void attach(String pid); |
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public abstract void attach(String java, String core); |
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public abstract void detach(); |
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public abstract void reattach(); |
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} |
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static class Tokens {
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final String input; |
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int i; |
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String[] tokens; |
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int length; |
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String[] splitWhitespace(String cmd) {
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String[] t = cmd.split("\\s");
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if (t.length == 1 && t[0].length() == 0) {
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return new String[0]; |
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} |
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return t; |
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} |
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void add(String s, ArrayList t) {
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if (s.length() > 0) {
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t.add(s); |
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} |
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} |
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Tokens(String cmd) {
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input = cmd; |
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// check for quoting |
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int quote = cmd.indexOf('"');
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ArrayList t = new ArrayList(); |
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if (quote != -1) {
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while (cmd.length() > 0) {
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if (quote != -1) {
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int endquote = cmd.indexOf('"', quote + 1);
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if (endquote == -1) {
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throw new RuntimeException("mismatched quotes: " + input);
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} |
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String before = cmd.substring(0, quote).trim(); |
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String quoted = cmd.substring(quote + 1, endquote); |
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cmd = cmd.substring(endquote + 1).trim(); |
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if (before.length() > 0) {
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String[] w = splitWhitespace(before); |
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for (int i = 0; i < w.length; i++) {
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add(w[i], t); |
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} |
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} |
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add(quoted, t); |
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quote = cmd.indexOf('"');
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} else {
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String[] w = splitWhitespace(cmd); |
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for (int i = 0; i < w.length; i++) {
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add(w[i], t); |
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} |
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cmd = ""; |
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} |
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} |
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} else {
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String[] w = splitWhitespace(cmd); |
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for (int i = 0; i < w.length; i++) {
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add(w[i], t); |
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} |
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} |
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tokens = (String[])t.toArray(new String[0]); |
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i = 0; |
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length = tokens.length; |
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//for (int i = 0; i < tokens.length; i++) {
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// System.out.println("\"" + tokens[i] + "\"");
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//} |
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} |
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String nextToken() {
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return tokens[i++]; |
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} |
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boolean hasMoreTokens() {
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return i < length; |
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} |
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int countTokens() {
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return length - i; |
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} |
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void trim(int n) {
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if (length >= n) {
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length -= n; |
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} else {
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throw new IndexOutOfBoundsException(String.valueOf(n)); |
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} |
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} |
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String join(String sep) {
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StringBuffer result = new StringBuffer(); |
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for (int w = i; w < length; w++) {
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result.append(tokens[w]); |
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if (w + 1 < length) {
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result.append(sep); |
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} |
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} |
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return result.toString(); |
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} |
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String at(int i) {
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if (i < 0 || i >= length) {
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throw new IndexOutOfBoundsException(String.valueOf(i)); |
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} |
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return tokens[i]; |
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} |
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} |
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abstract class Command {
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Command(String n, String u, boolean ok) {
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name = n; |
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usage = u; |
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okIfDisconnected = ok; |
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} |
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Command(String n, boolean ok) {
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name = n; |
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usage = n; |
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okIfDisconnected = ok; |
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} |
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final String name; |
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final String usage; |
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final boolean okIfDisconnected; |
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abstract void doit(Tokens t); |
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void usage() {
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out.println("Usage: " + usage);
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} |
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void printOopValue(Oop oop) {
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if (oop != null) {
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Klass k = oop.getKlass(); |
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Symbol s = k.getName(); |
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if (s != null) {
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out.print("Oop for " + s.asString() + " @ ");
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} else {
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out.print("Oop @ ");
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} |
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Oop.printOopAddressOn(oop, out); |
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} else {
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out.print("null");
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} |
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} |
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void printNode(SimpleTreeNode node) {
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int count = node.getChildCount(); |
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for (int i = 0; i < count; i++) {
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try {
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SimpleTreeNode field = node.getChild(i); |
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if (field instanceof OopTreeNodeAdapter) {
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out.print(field); |
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out.print(" ");
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printOopValue(((OopTreeNodeAdapter)field).getOop()); |
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out.println(); |
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} else {
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out.println(field); |
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} |
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} catch (Exception e) {
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out.println(); |
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out.println("Error: " + e);
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if (verboseExceptions) {
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e.printStackTrace(out); |
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} |
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} |
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} |
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} |
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} |
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void quote(String s) {
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if (s.indexOf(" ") == -1) {
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out.print(s); |
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} else {
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out.print("\"");
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out.print(s); |
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out.print("\"");
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} |
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} |
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void dumpType(Type type) {
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out.print("type ");
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quote(type.getName()); |
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out.print(" ");
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if (type.getSuperclass() != null) {
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quote(type.getSuperclass().getName()); |
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out.print(" ");
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} else {
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out.print("null ");
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} |
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out.print(type.isOopType()); |
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out.print(" ");
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if (type.isCIntegerType()) {
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out.print("true ");
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out.print(((CIntegerType)type).isUnsigned()); |
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out.print(" ");
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} else {
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out.print("false false ");
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} |
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out.print(type.getSize()); |
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out.println(); |
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} |
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void dumpFields(Type type) {
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Iterator i = type.getFields(); |
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while (i.hasNext()) {
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Field f = (Field) i.next(); |
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out.print("field ");
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quote(type.getName()); |
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out.print(" ");
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out.print(f.getName()); |
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out.print(" ");
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quote(f.getType().getName()); |
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out.print(" ");
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out.print(f.isStatic()); |
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out.print(" ");
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if (f.isStatic()) {
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out.print("0 ");
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out.print(f.getStaticFieldAddress()); |
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} else {
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out.print(f.getOffset()); |
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out.print(" 0x0");
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} |
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out.println(); |
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} |
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} |
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Address lookup(String symbol) {
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if (symbol.indexOf("::") != -1) {
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String[] parts = symbol.split("::");
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StringBuffer mangled = new StringBuffer("__1c");
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for (int i = 0; i < parts.length; i++) {
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int len = parts[i].length(); |
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if (len >= 26) {
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mangled.append((char)('a' + (len / 26)));
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len = len % 26; |
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} |
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mangled.append((char)('A' + len));
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mangled.append(parts[i]); |
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} |
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mangled.append("_");
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symbol = mangled.toString(); |
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} |
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return VM.getVM().getDebugger().lookup(null, symbol); |
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} |
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Address parseAddress(String addr) {
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return VM.getVM().getDebugger().parseAddress(addr); |
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} |
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private final Command[] commandList = {
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new Command("reattach", true) {
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public void doit(Tokens t) {
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int tokens = t.countTokens(); |
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if (tokens != 0) {
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usage(); |
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return; |
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} |
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preAttach(); |
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debugger.reattach(); |
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postAttach(); |
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} |
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}, |
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new Command("attach", "attach pid | exec core", true) {
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public void doit(Tokens t) {
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int tokens = t.countTokens(); |
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if (tokens == 1) {
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preAttach(); |
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debugger.attach(t.nextToken()); |
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postAttach(); |
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} else if (tokens == 2) {
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preAttach(); |
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debugger.attach(t.nextToken(), t.nextToken()); |
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postAttach(); |
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} else {
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usage(); |
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} |
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} |
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}, |
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new Command("detach", false) {
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public void doit(Tokens t) {
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if (t.countTokens() != 0) {
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usage(); |
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} else {
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debugger.detach(); |
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} |
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} |
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}, |
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new Command("examine", "examine [ address/count ] | [ address,address]", false) {
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Pattern args1 = Pattern.compile("^(0x[0-9a-f]+)(/([0-9]*)([a-z]*))?$");
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Pattern args2 = Pattern.compile("^(0x[0-9a-f]+),(0x[0-9a-f]+)(/[a-z]*)?$");
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String fill(Address a, int width) {
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String s = "0x0"; |
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if (a != null) {
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s = a.toString(); |
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} |
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if (s.length() != width) {
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return s.substring(0, 2) + "000000000000000000000".substring(0, width - s.length()) + s.substring(2); |
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} |
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return s; |
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} |
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||
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public void doit(Tokens t) {
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if (t.countTokens() != 1) {
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usage(); |
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} else {
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String arg = t.nextToken(); |
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Matcher m1 = args1.matcher(arg); |
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Matcher m2 = args2.matcher(arg); |
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Address start = null; |
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Address end = null; |
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String format = ""; |
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int formatSize = (int)VM.getVM().getAddressSize(); |
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if (m1.matches()) {
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start = VM.getVM().getDebugger().parseAddress(m1.group(1)); |
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int count = 1; |
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if (m1.group(2) != null) {
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count = Integer.parseInt(m1.group(3)); |
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} |
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end = start.addOffsetTo(count * formatSize); |
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} else if (m2.matches()) {
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start = VM.getVM().getDebugger().parseAddress(m2.group(1)); |
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end = VM.getVM().getDebugger().parseAddress(m2.group(2)); |
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} else {
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usage(); |
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return; |
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} |
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int line = 80; |
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int formatWidth = formatSize * 8 / 4 + 2; |
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||
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out.print(fill(start, formatWidth)); |
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out.print(": ");
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int width = line - formatWidth - 2; |
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393 |
||
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boolean needsPrintln = true; |
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while (start != null && start.lessThan(end)) {
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Address val = start.getAddressAt(0); |
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out.print(fill(val, formatWidth)); |
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needsPrintln = true; |
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width -= formatWidth; |
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start = start.addOffsetTo(formatSize); |
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if (width <= formatWidth) {
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out.println(); |
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needsPrintln = false; |
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if (start.lessThan(end)) {
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out.print(fill(start, formatWidth)); |
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out.print(": ");
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width = line - formatWidth - 2; |
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} |
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} else {
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out.print(" ");
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width -= 1; |
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} |
|
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} |
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if (needsPrintln) {
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out.println(); |
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} |
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} |
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} |
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}, |
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new Command("findpc", "findpc address", false) {
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public void doit(Tokens t) {
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if (t.countTokens() != 1) {
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usage(); |
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} else {
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Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
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PointerLocation loc = PointerFinder.find(a); |
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loc.printOn(out); |
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} |
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} |
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430 |
}, |
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new Command("flags", "flags [ flag ]", false) {
|
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432 |
public void doit(Tokens t) {
|
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433 |
int tokens = t.countTokens(); |
|
434 |
if (tokens != 0 && tokens != 1) {
|
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usage(); |
|
436 |
} else {
|
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437 |
String name = tokens > 0 ? t.nextToken() : null; |
|
438 |
||
439 |
VM.Flag[] flags = VM.getVM().getCommandLineFlags(); |
|
440 |
if (flags == null) {
|
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441 |
out.println("Command Flag info not available (use 1.4.1_03 or later)!");
|
|
442 |
} else {
|
|
443 |
boolean printed = false; |
|
444 |
for (int f = 0; f < flags.length; f++) {
|
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445 |
VM.Flag flag = flags[f]; |
|
446 |
if (name == null || flag.getName().equals(name)) {
|
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447 |
out.println(flag.getName() + " = " + flag.getValue()); |
|
448 |
printed = true; |
|
449 |
} |
|
450 |
} |
|
451 |
if (name != null && !printed) {
|
|
452 |
out.println("Couldn't find flag: " + name);
|
|
453 |
} |
|
454 |
} |
|
455 |
} |
|
456 |
} |
|
457 |
}, |
|
458 |
new Command("help", "help [ command ]", true) {
|
|
459 |
public void doit(Tokens t) {
|
|
460 |
int tokens = t.countTokens(); |
|
461 |
Command cmd = null; |
|
462 |
if (tokens == 1) {
|
|
463 |
cmd = findCommand(t.nextToken()); |
|
464 |
} |
|
465 |
||
466 |
if (cmd != null) {
|
|
467 |
cmd.usage(); |
|
468 |
} else if (tokens == 0) {
|
|
469 |
out.println("Available commands:");
|
|
470 |
Object[] keys = commands.keySet().toArray(); |
|
471 |
Arrays.sort(keys, new Comparator() {
|
|
472 |
public int compare(Object o1, Object o2) {
|
|
473 |
return o1.toString().compareTo(o2.toString()); |
|
474 |
} |
|
475 |
}); |
|
476 |
for (int i = 0; i < keys.length; i++) {
|
|
477 |
out.print(" ");
|
|
478 |
out.println(((Command)commands.get(keys[i])).usage); |
|
479 |
} |
|
480 |
} |
|
481 |
} |
|
482 |
}, |
|
483 |
new Command("history", "history", true) {
|
|
484 |
public void doit(Tokens t) {
|
|
485 |
int tokens = t.countTokens(); |
|
486 |
if (tokens != 0 && (tokens != 1 || !t.nextToken().equals("-h"))) {
|
|
487 |
usage(); |
|
488 |
return; |
|
489 |
} |
|
490 |
boolean printIndex = tokens == 0; |
|
491 |
for (int i = 0; i < history.size(); i++) {
|
|
492 |
if (printIndex) out.print(i + " "); |
|
493 |
out.println(history.get(i)); |
|
494 |
} |
|
495 |
} |
|
496 |
}, |
|
497 |
new Command("inspect", "inspect expression", false) {
|
|
498 |
public void doit(Tokens t) {
|
|
499 |
if (t.countTokens() != 1) {
|
|
500 |
usage(); |
|
501 |
} else {
|
|
502 |
Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
|
503 |
SimpleTreeNode node = null; |
|
504 |
if (VM.getVM().getUniverse().heap().isInReserved(a)) {
|
|
505 |
OopHandle handle = a.addOffsetToAsOopHandle(0); |
|
506 |
Oop oop = VM.getVM().getObjectHeap().newOop(handle); |
|
507 |
node = new OopTreeNodeAdapter(oop, null); |
|
508 |
||
509 |
out.println("instance of " + node.getValue() + " @ " + a +
|
|
510 |
" (size = " + oop.getObjectSize() + ")"); |
|
511 |
} else if (VM.getVM().getCodeCache().contains(a)) {
|
|
512 |
CodeBlob blob = VM.getVM().getCodeCache().findBlobUnsafe(a); |
|
513 |
a = blob.headerBegin(); |
|
514 |
} |
|
515 |
if (node == null) {
|
|
516 |
Type type = VM.getVM().getTypeDataBase().guessTypeForAddress(a); |
|
517 |
if (type != null) {
|
|
518 |
out.println("Type is " + type.getName() + " (size of " + type.getSize() + ")");
|
|
519 |
node = new CTypeTreeNodeAdapter(a, type, null); |
|
520 |
} |
|
521 |
} |
|
522 |
if (node != null) {
|
|
523 |
printNode(node); |
|
524 |
} |
|
525 |
} |
|
526 |
} |
|
527 |
}, |
|
528 |
new Command("jhisto", "jhisto", false) {
|
|
529 |
public void doit(Tokens t) {
|
|
530 |
ObjectHistogram histo = new ObjectHistogram(); |
|
531 |
histo.run(out, err); |
|
532 |
} |
|
533 |
}, |
|
534 |
new Command("jstack", "jstack [-v]", false) {
|
|
535 |
public void doit(Tokens t) {
|
|
536 |
boolean verbose = false; |
|
537 |
if (t.countTokens() > 0 && t.nextToken().equals("-v")) {
|
|
538 |
verbose = true; |
|
539 |
} |
|
540 |
StackTrace jstack = new StackTrace(verbose, true); |
|
541 |
jstack.run(out); |
|
542 |
} |
|
543 |
}, |
|
544 |
new Command("print", "print expression", false) {
|
|
545 |
public void doit(Tokens t) {
|
|
546 |
if (t.countTokens() != 1) {
|
|
547 |
usage(); |
|
548 |
} else {
|
|
549 |
Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
|
550 |
HTMLGenerator gen = new HTMLGenerator(false); |
|
551 |
out.println(gen.genHTML(a)); |
|
552 |
} |
|
553 |
} |
|
554 |
}, |
|
555 |
new Command("printas", "printas type expression", false) {
|
|
556 |
public void doit(Tokens t) {
|
|
557 |
if (t.countTokens() != 2) {
|
|
558 |
usage(); |
|
559 |
} else {
|
|
560 |
Type type = agent.getTypeDataBase().lookupType(t.nextToken()); |
|
561 |
Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
|
562 |
CTypeTreeNodeAdapter node = new CTypeTreeNodeAdapter(a, type, null); |
|
563 |
||
564 |
out.println("pointer to " + type + " @ " + a +
|
|
565 |
" (size = " + type.getSize() + ")"); |
|
566 |
printNode(node); |
|
567 |
} |
|
568 |
} |
|
569 |
}, |
|
570 |
new Command("symbol", "symbol name", false) {
|
|
571 |
public void doit(Tokens t) {
|
|
572 |
if (t.countTokens() != 1) {
|
|
573 |
usage(); |
|
574 |
} else {
|
|
575 |
String symbol = t.nextToken(); |
|
576 |
Address a = lookup(symbol); |
|
577 |
out.println(symbol + " = " + a); |
|
578 |
} |
|
579 |
} |
|
580 |
}, |
|
581 |
new Command("printstatics", "printstatics [ type ]", false) {
|
|
582 |
public void doit(Tokens t) {
|
|
583 |
if (t.countTokens() > 1) {
|
|
584 |
usage(); |
|
585 |
} else {
|
|
586 |
if (t.countTokens() == 0) {
|
|
587 |
out.println("All known static fields");
|
|
588 |
printNode(new CTypeTreeNodeAdapter(agent.getTypeDataBase().getTypes())); |
|
589 |
} else {
|
|
590 |
Type type = agent.getTypeDataBase().lookupType(t.nextToken()); |
|
591 |
out.println("Static fields of " + type.getName());
|
|
592 |
printNode(new CTypeTreeNodeAdapter(type)); |
|
593 |
} |
|
594 |
} |
|
595 |
} |
|
596 |
}, |
|
597 |
new Command("pmap", "pmap", false) {
|
|
598 |
public void doit(Tokens t) {
|
|
599 |
PMap pmap = new PMap(); |
|
600 |
pmap.run(out, debugger.getAgent().getDebugger()); |
|
601 |
} |
|
602 |
}, |
|
603 |
new Command("pstack", "pstack [-v]", false) {
|
|
604 |
public void doit(Tokens t) {
|
|
605 |
boolean verbose = false; |
|
606 |
if (t.countTokens() > 0 && t.nextToken().equals("-v")) {
|
|
607 |
verbose = true; |
|
608 |
} |
|
609 |
PStack pstack = new PStack(verbose, true); |
|
610 |
pstack.run(out, debugger.getAgent().getDebugger()); |
|
611 |
} |
|
612 |
}, |
|
613 |
new Command("quit", true) {
|
|
614 |
public void doit(Tokens t) {
|
|
615 |
if (t.countTokens() != 0) {
|
|
616 |
usage(); |
|
617 |
} else {
|
|
618 |
debugger.detach(); |
|
619 |
System.exit(0); |
|
620 |
} |
|
621 |
} |
|
622 |
}, |
|
623 |
new Command("echo", "echo [ true | false ]", true) {
|
|
624 |
public void doit(Tokens t) {
|
|
625 |
if (t.countTokens() == 0) {
|
|
626 |
out.println("echo is " + doEcho);
|
|
627 |
} else if (t.countTokens() == 1) {
|
|
628 |
doEcho = Boolean.valueOf(t.nextToken()).booleanValue(); |
|
629 |
} else {
|
|
630 |
usage(); |
|
631 |
} |
|
632 |
} |
|
633 |
}, |
|
634 |
new Command("versioncheck", "versioncheck [ true | false ]", true) {
|
|
635 |
public void doit(Tokens t) {
|
|
636 |
if (t.countTokens() == 0) {
|
|
637 |
out.println("versioncheck is " +
|
|
638 |
(System.getProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck") == null));
|
|
639 |
} else if (t.countTokens() == 1) {
|
|
640 |
if (Boolean.valueOf(t.nextToken()).booleanValue()) {
|
|
641 |
System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", null);
|
|
642 |
} else {
|
|
643 |
System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", "true");
|
|
644 |
} |
|
645 |
} else {
|
|
646 |
usage(); |
|
647 |
} |
|
648 |
} |
|
649 |
}, |
|
650 |
new Command("scanoops", "scanoops start end [ type ]", false) {
|
|
651 |
public void doit(Tokens t) {
|
|
652 |
if (t.countTokens() != 2 && t.countTokens() != 3) {
|
|
653 |
usage(); |
|
654 |
} else {
|
|
655 |
long stride = VM.getVM().getAddressSize(); |
|
656 |
Address base = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
|
657 |
Address end = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
|
658 |
Klass klass = null; |
|
659 |
if (t.countTokens() == 1) {
|
|
660 |
klass = SystemDictionaryHelper.findInstanceKlass(t.nextToken()); |
|
661 |
} |
|
662 |
while (base != null && base.lessThan(end)) {
|
|
663 |
long step = stride; |
|
664 |
OopHandle handle = base.addOffsetToAsOopHandle(0); |
|
665 |
if (RobustOopDeterminator.oopLooksValid(handle)) {
|
|
666 |
try {
|
|
667 |
Oop oop = VM.getVM().getObjectHeap().newOop(handle); |
|
668 |
if (klass == null || oop.getKlass().isSubtypeOf(klass)) |
|
669 |
out.println(handle.toString() + " " + oop.getKlass().getName().asString()); |
|
670 |
step = oop.getObjectSize(); |
|
671 |
} catch (UnknownOopException ex) {
|
|
672 |
// ok |
|
673 |
} catch (RuntimeException ex) {
|
|
674 |
ex.printStackTrace(); |
|
675 |
} |
|
676 |
} |
|
677 |
base = base.addOffsetTo(step); |
|
678 |
} |
|
679 |
} |
|
680 |
} |
|
681 |
}, |
|
682 |
new Command("field", "field [ type [ name fieldtype isStatic offset address ] ]", true) {
|
|
683 |
public void doit(Tokens t) {
|
|
684 |
if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) {
|
|
685 |
usage(); |
|
686 |
return; |
|
687 |
} |
|
688 |
if (t.countTokens() == 1) {
|
|
689 |
Type type = agent.getTypeDataBase().lookupType(t.nextToken()); |
|
690 |
dumpFields(type); |
|
691 |
} else if (t.countTokens() == 0) {
|
|
692 |
Iterator i = agent.getTypeDataBase().getTypes(); |
|
693 |
while (i.hasNext()) {
|
|
694 |
dumpFields((Type)i.next()); |
|
695 |
} |
|
696 |
} else {
|
|
697 |
BasicType containingType = (BasicType)agent.getTypeDataBase().lookupType(t.nextToken()); |
|
698 |
||
699 |
String fieldName = t.nextToken(); |
|
700 |
||
701 |
// The field's Type must already be in the database -- no exceptions |
|
702 |
Type fieldType = agent.getTypeDataBase().lookupType(t.nextToken()); |
|
703 |
||
704 |
boolean isStatic = Boolean.valueOf(t.nextToken()).booleanValue(); |
|
705 |
long offset = Long.parseLong(t.nextToken()); |
|
706 |
Address staticAddress = parseAddress(t.nextToken()); |
|
707 |
if (isStatic && staticAddress == null) {
|
|
708 |
staticAddress = lookup(containingType.getName() + "::" + fieldName); |
|
709 |
} |
|
710 |
||
711 |
// check to see if the field already exists |
|
712 |
Iterator i = containingType.getFields(); |
|
713 |
while (i.hasNext()) {
|
|
714 |
Field f = (Field) i.next(); |
|
715 |
if (f.getName().equals(fieldName)) {
|
|
716 |
if (f.isStatic() != isStatic) {
|
|
717 |
throw new RuntimeException("static/nonstatic mismatch: " + t.input);
|
|
718 |
} |
|
719 |
if (!isStatic) {
|
|
720 |
if (f.getOffset() != offset) {
|
|
721 |
throw new RuntimeException("bad redefinition of field offset: " + t.input);
|
|
722 |
} |
|
723 |
} else {
|
|
724 |
if (!f.getStaticFieldAddress().equals(staticAddress)) {
|
|
725 |
throw new RuntimeException("bad redefinition of field location: " + t.input);
|
|
726 |
} |
|
727 |
} |
|
728 |
if (f.getType() != fieldType) {
|
|
729 |
throw new RuntimeException("bad redefinition of field type: " + t.input);
|
|
730 |
} |
|
731 |
return; |
|
732 |
} |
|
733 |
} |
|
734 |
||
735 |
// Create field by type |
|
736 |
HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); |
|
737 |
db.createField(containingType, |
|
738 |
fieldName, fieldType, |
|
739 |
isStatic, |
|
740 |
offset, |
|
741 |
staticAddress); |
|
742 |
||
743 |
} |
|
744 |
} |
|
745 |
||
746 |
}, |
|
747 |
new Command("tokenize", "tokenize ...", true) {
|
|
748 |
public void doit(Tokens t) {
|
|
749 |
while (t.hasMoreTokens()) {
|
|
750 |
out.println("\"" + t.nextToken() + "\"");
|
|
751 |
} |
|
752 |
} |
|
753 |
}, |
|
754 |
new Command("type", "type [ type [ name super isOop isInteger isUnsigned size ] ]", true) {
|
|
755 |
public void doit(Tokens t) {
|
|
756 |
if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) {
|
|
757 |
usage(); |
|
758 |
return; |
|
759 |
} |
|
760 |
if (t.countTokens() == 6) {
|
|
761 |
String typeName = t.nextToken(); |
|
762 |
String superclassName = t.nextToken(); |
|
763 |
if (superclassName.equals("null")) {
|
|
764 |
superclassName = null; |
|
765 |
} |
|
766 |
boolean isOop = Boolean.valueOf(t.nextToken()).booleanValue(); |
|
767 |
boolean isInteger = Boolean.valueOf(t.nextToken()).booleanValue(); |
|
768 |
boolean isUnsigned = Boolean.valueOf(t.nextToken()).booleanValue(); |
|
769 |
long size = Long.parseLong(t.nextToken()); |
|
770 |
||
771 |
BasicType type = null; |
|
772 |
try {
|
|
773 |
type = (BasicType)agent.getTypeDataBase().lookupType(typeName); |
|
774 |
} catch (RuntimeException e) {
|
|
775 |
} |
|
776 |
if (type != null) {
|
|
777 |
if (type.isOopType() != isOop) {
|
|
778 |
throw new RuntimeException("oop mismatch in type definition: " + t.input);
|
|
779 |
} |
|
780 |
if (type.isCIntegerType() != isInteger) {
|
|
781 |
throw new RuntimeException("integer type mismatch in type definition: " + t.input);
|
|
782 |
} |
|
783 |
if (type.isCIntegerType() && (((CIntegerType)type).isUnsigned()) != isUnsigned) {
|
|
784 |
throw new RuntimeException("unsigned mismatch in type definition: " + t.input);
|
|
785 |
} |
|
786 |
if (type.getSuperclass() == null) {
|
|
787 |
if (superclassName != null) {
|
|
788 |
if (type.getSize() == -1) {
|
|
789 |
type.setSuperclass(agent.getTypeDataBase().lookupType(superclassName)); |
|
790 |
} else {
|
|
791 |
throw new RuntimeException("unexpected superclass in type definition: " + t.input);
|
|
792 |
} |
|
793 |
} |
|
794 |
} else {
|
|
795 |
if (superclassName == null) {
|
|
796 |
throw new RuntimeException("missing superclass in type definition: " + t.input);
|
|
797 |
} |
|
798 |
if (!type.getSuperclass().getName().equals(superclassName)) {
|
|
799 |
throw new RuntimeException("incorrect superclass in type definition: " + t.input);
|
|
800 |
} |
|
801 |
} |
|
802 |
if (type.getSize() != size) {
|
|
803 |
if (type.getSize() == -1) {
|
|
804 |
type.setSize(size); |
|
805 |
} |
|
806 |
throw new RuntimeException("size mismatch in type definition: " + t.input);
|
|
807 |
} |
|
808 |
return; |
|
809 |
} |
|
810 |
||
811 |
// Create type |
|
812 |
HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); |
|
813 |
db.createType(typeName, superclassName, isOop, isInteger, isUnsigned, size); |
|
814 |
} else if (t.countTokens() == 1) {
|
|
815 |
Type type = agent.getTypeDataBase().lookupType(t.nextToken()); |
|
816 |
dumpType(type); |
|
817 |
} else {
|
|
818 |
Iterator i = agent.getTypeDataBase().getTypes(); |
|
819 |
while (i.hasNext()) {
|
|
820 |
dumpType((Type)i.next()); |
|
821 |
} |
|
822 |
} |
|
823 |
} |
|
824 |
||
825 |
}, |
|
826 |
new Command("source", "source filename", true) {
|
|
827 |
public void doit(Tokens t) {
|
|
828 |
if (t.countTokens() != 1) {
|
|
829 |
usage(); |
|
830 |
return; |
|
831 |
} |
|
832 |
String file = t.nextToken(); |
|
833 |
BufferedReader savedInput = in; |
|
834 |
try {
|
|
835 |
BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(file))); |
|
836 |
in = input; |
|
837 |
run(false); |
|
838 |
} catch (Exception e) {
|
|
839 |
out.println("Error: " + e);
|
|
840 |
if (verboseExceptions) {
|
|
841 |
e.printStackTrace(out); |
|
842 |
} |
|
843 |
} finally {
|
|
844 |
in = savedInput; |
|
845 |
} |
|
846 |
||
847 |
} |
|
848 |
}, |
|
849 |
new Command("search", "search [ heap | codecache | threads ] value", false) {
|
|
850 |
public void doit(Tokens t) {
|
|
851 |
if (t.countTokens() != 2) {
|
|
852 |
usage(); |
|
853 |
} else {
|
|
854 |
String type = t.nextToken(); |
|
855 |
final Address value = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
|
856 |
final long stride = VM.getVM().getAddressSize(); |
|
857 |
if (type.equals("threads")) {
|
|
858 |
Threads threads = VM.getVM().getThreads(); |
|
859 |
for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) {
|
|
860 |
Address base = thread.getBaseOfStackPointer(); |
|
861 |
Address end = thread.getLastJavaSP(); |
|
862 |
if (end == null) continue; |
|
863 |
if (end.lessThan(base)) {
|
|
864 |
Address tmp = base; |
|
865 |
base = end; |
|
866 |
end = tmp; |
|
867 |
} |
|
868 |
out.println("Searching " + base + " " + end);
|
|
869 |
while (base != null && base.lessThan(end)) {
|
|
870 |
Address val = base.getAddressAt(0); |
|
871 |
if (AddressOps.equal(val, value)) {
|
|
872 |
out.println(base); |
|
873 |
} |
|
874 |
base = base.addOffsetTo(stride); |
|
875 |
} |
|
876 |
} |
|
877 |
} else if (type.equals("heap")) {
|
|
878 |
RawHeapVisitor iterator = new RawHeapVisitor() {
|
|
879 |
public void prologue(long used) {
|
|
880 |
} |
|
881 |
||
882 |
public void visitAddress(Address addr) {
|
|
883 |
Address val = addr.getAddressAt(0); |
|
884 |
if (AddressOps.equal(val, value)) {
|
|
885 |
out.println("found at " + addr);
|
|
886 |
} |
|
887 |
} |
|
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
888 |
public void visitCompOopAddress(Address addr) {
|
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
889 |
Address val = addr.getCompOopAddressAt(0); |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
890 |
if (AddressOps.equal(val, value)) {
|
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
891 |
out.println("found at " + addr);
|
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
892 |
} |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
893 |
} |
| 1 | 894 |
public void epilogue() {
|
895 |
} |
|
896 |
}; |
|
897 |
VM.getVM().getObjectHeap().iterateRaw(iterator); |
|
898 |
} else if (type.equals("codecache")) {
|
|
899 |
CodeCacheVisitor v = new CodeCacheVisitor() {
|
|
900 |
public void prologue(Address start, Address end) {
|
|
901 |
} |
|
902 |
public void visit(CodeBlob blob) {
|
|
903 |
boolean printed = false; |
|
904 |
Address base = blob.getAddress(); |
|
905 |
Address end = base.addOffsetTo(blob.getSize()); |
|
906 |
while (base != null && base.lessThan(end)) {
|
|
907 |
Address val = base.getAddressAt(0); |
|
908 |
if (AddressOps.equal(val, value)) {
|
|
909 |
if (!printed) {
|
|
910 |
printed = true; |
|
911 |
blob.printOn(out); |
|
912 |
} |
|
913 |
out.println("found at " + base + "\n");
|
|
914 |
} |
|
915 |
base = base.addOffsetTo(stride); |
|
916 |
} |
|
917 |
} |
|
918 |
public void epilogue() {
|
|
919 |
} |
|
920 |
||
921 |
||
922 |
}; |
|
923 |
VM.getVM().getCodeCache().iterate(v); |
|
924 |
||
925 |
} |
|
926 |
} |
|
927 |
} |
|
928 |
}, |
|
929 |
new Command("where", "where { -a | id }", false) {
|
|
930 |
public void doit(Tokens t) {
|
|
931 |
if (t.countTokens() != 1) {
|
|
932 |
usage(); |
|
933 |
} else {
|
|
934 |
String name = t.nextToken(); |
|
935 |
Threads threads = VM.getVM().getThreads(); |
|
936 |
boolean all = name.equals("-a");
|
|
937 |
for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) {
|
|
938 |
StringWriter sw = new StringWriter(); |
|
939 |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
|
940 |
thread.printThreadIDOn(new PrintStream(bos)); |
|
941 |
if (all || bos.toString().equals(name)) {
|
|
942 |
HTMLGenerator gen = new HTMLGenerator(false); |
|
943 |
out.println(gen.genHTMLForJavaStackTrace(thread)); |
|
944 |
if (!all) return; |
|
945 |
} |
|
946 |
} |
|
947 |
if (!all) out.println("Couldn't find thread " + name);
|
|
948 |
} |
|
949 |
} |
|
950 |
}, |
|
951 |
||
952 |
new Command("threads", false) {
|
|
953 |
public void doit(Tokens t) {
|
|
954 |
if (t.countTokens() != 0) {
|
|
955 |
usage(); |
|
956 |
} else {
|
|
957 |
Threads threads = VM.getVM().getThreads(); |
|
958 |
for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) {
|
|
959 |
thread.printThreadIDOn(out); |
|
960 |
out.println(" " + thread.getThreadName());
|
|
961 |
} |
|
962 |
} |
|
963 |
} |
|
964 |
}, |
|
965 |
||
966 |
new Command("livenmethods", false) {
|
|
967 |
public void doit(Tokens t) {
|
|
968 |
if (t.countTokens() != 0) {
|
|
969 |
usage(); |
|
970 |
} else {
|
|
971 |
ArrayList nmethods = new ArrayList(); |
|
972 |
Threads threads = VM.getVM().getThreads(); |
|
973 |
HTMLGenerator gen = new HTMLGenerator(false); |
|
974 |
for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) {
|
|
975 |
try {
|
|
976 |
for (JavaVFrame vf = thread.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) {
|
|
977 |
if (vf instanceof CompiledVFrame) {
|
|
978 |
NMethod c = ((CompiledVFrame)vf).getCode(); |
|
979 |
if (!nmethods.contains(c)) {
|
|
980 |
nmethods.add(c); |
|
981 |
out.println(gen.genHTML(c)); |
|
982 |
} |
|
983 |
} |
|
984 |
} |
|
985 |
} catch (Exception e) {
|
|
986 |
e.printStackTrace(); |
|
987 |
} |
|
988 |
} |
|
989 |
} |
|
990 |
} |
|
991 |
}, |
|
992 |
new Command("universe", false) {
|
|
993 |
public void doit(Tokens t) {
|
|
994 |
if (t.countTokens() != 0) {
|
|
995 |
usage(); |
|
996 |
} else {
|
|
997 |
Universe u = VM.getVM().getUniverse(); |
|
998 |
out.println("Heap Parameters:");
|
|
999 |
u.heap().printOn(out); |
|
1000 |
} |
|
1001 |
} |
|
1002 |
}, |
|
1003 |
new Command("verbose", "verbose true | false", true) {
|
|
1004 |
public void doit(Tokens t) {
|
|
1005 |
if (t.countTokens() != 1) {
|
|
1006 |
usage(); |
|
1007 |
} else {
|
|
1008 |
verboseExceptions = Boolean.valueOf(t.nextToken()).booleanValue(); |
|
1009 |
} |
|
1010 |
} |
|
1011 |
}, |
|
1012 |
new Command("assert", "assert true | false", true) {
|
|
1013 |
public void doit(Tokens t) {
|
|
1014 |
if (t.countTokens() != 1) {
|
|
1015 |
usage(); |
|
1016 |
} else {
|
|
1017 |
Assert.ASSERTS_ENABLED = Boolean.valueOf(t.nextToken()).booleanValue(); |
|
1018 |
} |
|
1019 |
} |
|
1020 |
}, |
|
1021 |
}; |
|
1022 |
||
1023 |
private boolean verboseExceptions = false; |
|
1024 |
private ArrayList history = new ArrayList(); |
|
1025 |
private HashMap commands = new HashMap(); |
|
1026 |
private boolean doEcho = false; |
|
1027 |
||
1028 |
private Command findCommand(String key) {
|
|
1029 |
return (Command)commands.get(key); |
|
1030 |
} |
|
1031 |
||
1032 |
public void printPrompt() {
|
|
1033 |
out.print("hsdb> ");
|
|
1034 |
} |
|
1035 |
||
1036 |
private DebuggerInterface debugger; |
|
1037 |
private HotSpotAgent agent; |
|
1038 |
private JSJavaScriptEngine jsengine; |
|
1039 |
private BufferedReader in; |
|
1040 |
private PrintStream out; |
|
1041 |
private PrintStream err; |
|
1042 |
||
1043 |
// called before debuggee attach |
|
1044 |
private void preAttach() {
|
|
1045 |
// nothing for now.. |
|
1046 |
} |
|
1047 |
||
1048 |
// called after debuggee attach |
|
1049 |
private void postAttach() {
|
|
1050 |
// create JavaScript engine and start it |
|
1051 |
jsengine = new JSJavaScriptEngine() {
|
|
1052 |
private ObjectReader reader = new ObjectReader(); |
|
1053 |
private JSJavaFactory factory = new JSJavaFactoryImpl(); |
|
1054 |
public ObjectReader getObjectReader() {
|
|
1055 |
return reader; |
|
1056 |
} |
|
1057 |
public JSJavaFactory getJSJavaFactory() {
|
|
1058 |
return factory; |
|
1059 |
} |
|
1060 |
protected void quit() {
|
|
1061 |
debugger.detach(); |
|
1062 |
System.exit(0); |
|
1063 |
} |
|
1064 |
protected BufferedReader getInputReader() {
|
|
1065 |
return in; |
|
1066 |
} |
|
1067 |
protected PrintStream getOutputStream() {
|
|
1068 |
return out; |
|
1069 |
} |
|
1070 |
protected PrintStream getErrorStream() {
|
|
1071 |
return err; |
|
1072 |
} |
|
1073 |
}; |
|
1074 |
try {
|
|
1075 |
jsengine.defineFunction(this, |
|
1076 |
this.getClass().getMethod("registerCommand",
|
|
1077 |
new Class[] {
|
|
1078 |
String.class, String.class, String.class |
|
1079 |
})); |
|
1080 |
} catch (NoSuchMethodException exp) {
|
|
1081 |
// should not happen, see below...!! |
|
1082 |
exp.printStackTrace(); |
|
1083 |
} |
|
1084 |
jsengine.start(); |
|
1085 |
} |
|
1086 |
||
1087 |
public void registerCommand(String cmd, String usage, final String func) {
|
|
1088 |
commands.put(cmd, new Command(cmd, usage, false) {
|
|
1089 |
public void doit(Tokens t) {
|
|
1090 |
final int len = t.countTokens(); |
|
1091 |
Object[] args = new Object[len]; |
|
1092 |
for (int i = 0; i < len; i++) {
|
|
1093 |
args[i] = t.nextToken(); |
|
1094 |
} |
|
1095 |
jsengine.call(func, args); |
|
1096 |
} |
|
1097 |
}); |
|
1098 |
} |
|
1099 |
||
1100 |
public void setOutput(PrintStream o) {
|
|
1101 |
out = o; |
|
1102 |
} |
|
1103 |
||
1104 |
public void setErr(PrintStream e) {
|
|
1105 |
err = e; |
|
1106 |
} |
|
1107 |
||
1108 |
public CommandProcessor(DebuggerInterface debugger, BufferedReader in, PrintStream out, PrintStream err) {
|
|
1109 |
this.debugger = debugger; |
|
1110 |
this.agent = debugger.getAgent(); |
|
1111 |
this.in = in; |
|
1112 |
this.out = out; |
|
1113 |
this.err = err; |
|
1114 |
for (int i = 0; i < commandList.length; i++) {
|
|
1115 |
Command c = commandList[i]; |
|
1116 |
commands.put(c.name, c); |
|
1117 |
} |
|
1118 |
if (debugger.isAttached()) {
|
|
1119 |
postAttach(); |
|
1120 |
} |
|
1121 |
} |
|
1122 |
||
1123 |
||
1124 |
public void run(boolean prompt) {
|
|
1125 |
// Process interactive commands. |
|
1126 |
while (true) {
|
|
1127 |
if (prompt) printPrompt(); |
|
1128 |
String ln = null; |
|
1129 |
try {
|
|
1130 |
ln = in.readLine(); |
|
1131 |
} catch (IOException e) {
|
|
1132 |
} |
|
1133 |
if (ln == null) {
|
|
1134 |
if (prompt) err.println("Input stream closed.");
|
|
1135 |
return; |
|
1136 |
} |
|
1137 |
||
1138 |
executeCommand(ln); |
|
1139 |
} |
|
1140 |
} |
|
1141 |
||
1142 |
static Pattern historyPattern = Pattern.compile("((!\\*)|(!\\$)|(!!-?)|(!-?[0-9][0-9]*))");
|
|
1143 |
||
1144 |
public void executeCommand(String ln) {
|
|
1145 |
if (ln.indexOf('!') != -1) {
|
|
1146 |
int size = history.size(); |
|
1147 |
if (size == 0) {
|
|
1148 |
ln = ""; |
|
1149 |
err.println("History is empty");
|
|
1150 |
} else {
|
|
1151 |
StringBuffer result = new StringBuffer(); |
|
1152 |
Matcher m = historyPattern.matcher(ln); |
|
1153 |
int start = 0; |
|
1154 |
while (m.find()) {
|
|
1155 |
if (m.start() > start) {
|
|
1156 |
result.append(ln.substring(start, m.start() - start)); |
|
1157 |
} |
|
1158 |
start = m.end(); |
|
1159 |
||
1160 |
String cmd = m.group(); |
|
1161 |
if (cmd.equals("!!")) {
|
|
1162 |
result.append((String)history.get(history.size() - 1)); |
|
1163 |
} else if (cmd.equals("!!-")) {
|
|
1164 |
Tokens item = new Tokens((String)history.get(history.size() - 1)); |
|
1165 |
item.trim(1); |
|
1166 |
result.append(item.join(" "));
|
|
1167 |
} else if (cmd.equals("!*")) {
|
|
1168 |
Tokens item = new Tokens((String)history.get(history.size() - 1)); |
|
1169 |
item.nextToken(); |
|
1170 |
result.append(item.join(" "));
|
|
1171 |
} else if (cmd.equals("!$")) {
|
|
1172 |
Tokens item = new Tokens((String)history.get(history.size() - 1)); |
|
1173 |
result.append(item.at(item.countTokens() - 1)); |
|
1174 |
} else {
|
|
1175 |
String tail = cmd.substring(1); |
|
1176 |
int index = Integer.parseInt(tail); |
|
1177 |
if (index < 0) {
|
|
1178 |
index = history.size() + index; |
|
1179 |
} |
|
1180 |
if (index > size) {
|
|
1181 |
err.println("No such history item");
|
|
1182 |
} else {
|
|
1183 |
result.append((String)history.get(index)); |
|
1184 |
} |
|
1185 |
} |
|
1186 |
} |
|
1187 |
if (result.length() == 0) {
|
|
1188 |
err.println("malformed history reference");
|
|
1189 |
ln = ""; |
|
1190 |
} else {
|
|
1191 |
if (start < ln.length()) {
|
|
1192 |
result.append(ln.substring(start)); |
|
1193 |
} |
|
1194 |
ln = result.toString(); |
|
1195 |
if (!doEcho) {
|
|
1196 |
out.println(ln); |
|
1197 |
} |
|
1198 |
} |
|
1199 |
} |
|
1200 |
} |
|
1201 |
||
1202 |
if (doEcho) {
|
|
1203 |
out.println("+ " + ln);
|
|
1204 |
} |
|
1205 |
||
1206 |
PrintStream redirect = null; |
|
1207 |
Tokens t = new Tokens(ln); |
|
1208 |
if (t.hasMoreTokens()) {
|
|
1209 |
boolean error = false; |
|
1210 |
history.add(ln); |
|
1211 |
int len = t.countTokens(); |
|
1212 |
if (len > 2) {
|
|
1213 |
String r = t.at(len - 2); |
|
1214 |
if (r.equals(">") || r.equals(">>")) {
|
|
1215 |
boolean append = r.length() == 2; |
|
1216 |
String file = t.at(len - 1); |
|
1217 |
try {
|
|
1218 |
redirect = new PrintStream(new BufferedOutputStream(new FileOutputStream(file, append))); |
|
1219 |
t.trim(2); |
|
1220 |
} catch (Exception e) {
|
|
1221 |
out.println("Error: " + e);
|
|
1222 |
if (verboseExceptions) {
|
|
1223 |
e.printStackTrace(out); |
|
1224 |
} |
|
1225 |
error = true; |
|
1226 |
} |
|
1227 |
} |
|
1228 |
} |
|
1229 |
if (!error) {
|
|
1230 |
PrintStream savedout = out; |
|
1231 |
if (redirect != null) {
|
|
1232 |
out = redirect; |
|
1233 |
} |
|
1234 |
try {
|
|
1235 |
executeCommand(t); |
|
1236 |
} catch (Exception e) {
|
|
1237 |
err.println("Error: " + e);
|
|
1238 |
if (verboseExceptions) {
|
|
1239 |
e.printStackTrace(err); |
|
1240 |
} |
|
1241 |
} finally {
|
|
1242 |
if (redirect != null) {
|
|
1243 |
out = savedout; |
|
1244 |
redirect.close(); |
|
1245 |
} |
|
1246 |
} |
|
1247 |
} |
|
1248 |
} |
|
1249 |
} |
|
1250 |
||
1251 |
void executeCommand(Tokens args) {
|
|
1252 |
String cmd = args.nextToken(); |
|
1253 |
||
1254 |
Command doit = findCommand(cmd); |
|
1255 |
||
1256 |
/* |
|
1257 |
* Check for an unknown command |
|
1258 |
*/ |
|
1259 |
if (doit == null) {
|
|
1260 |
out.println("Unrecognized command. Try help...");
|
|
1261 |
} else if (!debugger.isAttached() && !doit.okIfDisconnected) {
|
|
1262 |
out.println("Command not valid until the attached to a VM");
|
|
1263 |
} else {
|
|
1264 |
try {
|
|
1265 |
doit.doit(args); |
|
1266 |
} catch (Exception e) {
|
|
1267 |
out.println("Error: " + e);
|
|
1268 |
if (verboseExceptions) {
|
|
1269 |
e.printStackTrace(out); |
|
1270 |
} |
|
1271 |
} |
|
1272 |
} |
|
1273 |
} |
|
1274 |
} |