src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/ArgInfoData.java
author roland
Mon, 11 Jun 2018 15:28:24 +0200
changeset 50577 bf7e2684cd0a
parent 47216 71c04702a3d5
permissions -rw-r--r--
8204240: Extend MDO to allow more reasons to be recorded per bci Reviewed-by: kvn, neliasso

/*
 * Copyright (c) 2014, 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.oops;

import java.io.*;
import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.utilities.*;

public class ArgInfoData extends ArrayData {

  public ArgInfoData(DataLayout layout) {
    super(layout);
  }

  int numberOfArgs() {
    return arrayLen();
  }

  int argModified(int arg) {
    return arrayUintAt(arg);
  }

  public void printDataOn(PrintStream st) {
    printShared(st, "ArgInfoData");
    int nargs = numberOfArgs();
    for (int i = 0; i < nargs; i++) {
      st.print("  0x" + Integer.toHexString(argModified(i)));
    }
    st.println();
  }
}