hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/JStack.java
8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: acorn, ccheung, coleenp, ctornqvi, dholmes, dsimms, gtriantafill, iklam, jiangli, mgronlun, mseledtsov, cjplummer, sspitsyn, stefank, twisti, hseigel, lfoltan, alanb, mchung, dfazunen
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, harold.seigel@oracle.com, lois.foltan@oracle.com, calvin.cheung@oracle.com, christian.tornqvist@oracle.com, erik.joelsson@oracle.com, george.triantafillou@oracle.com, igor.ignatyev@oracle.com, ioi.lam@oracle.com, james.laskey@oracle.com, jean-francois.denise@oracle.com, jiangli.zhou@oracle.com, markus.gronlund@oracle.com, serguei.spitsyn@oracle.com, staffan.larsen@oracle.com, sundararajan.athijegannathan@oracle.com
/*
* Copyright (c) 2004, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
package sun.jvm.hotspot.tools;
import sun.jvm.hotspot.debugger.JVMDebugger;
import jdk.internal.vm.agent.spi.ToolProvider;
public class JStack extends Tool implements ToolProvider {
public JStack(boolean mixedMode, boolean concurrentLocks) {
this.mixedMode = mixedMode;
this.concurrentLocks = concurrentLocks;
}
public JStack() {
this(true, true);
}
public JStack(JVMDebugger d) {
super(d);
}
protected boolean needsJavaPrefix() {
return false;
}
public String getName() {
return "jstack";
}
protected void printFlagsUsage() {
System.out.println(" -l\tto print java.util.concurrent locks");
System.out.println(" -m\tto print both java and native frames (mixed mode)");
super.printFlagsUsage();
}
public void run() {
Tool tool = null;
if (mixedMode) {
tool = new PStack(false, concurrentLocks);
} else {
tool = new StackTrace(false, concurrentLocks);
}
tool.setAgent(getAgent());
tool.setDebugeeType(getDebugeeType());
tool.run();
}
@Override
public void run(String... args) {
int used = 0;
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-m")) {
mixedMode = true;
used++;
} else if (args[i].equals("-l")) {
concurrentLocks = true;
used++;
}
}
if (used != 0) {
String[] newArgs = new String[args.length - used];
for (int i = 0; i < newArgs.length; i++) {
newArgs[i] = args[i + used];
}
args = newArgs;
}
execute(args);
}
public static void main(String[] args) {
JStack jstack = new JStack();
jstack.run(args);
}
private boolean mixedMode;
private boolean concurrentLocks;
}