1 /*

     2  * Copyright (c) 2014, 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.hotspot.code;

    26 

    27 import java.lang.reflect.Executable;

    28 import sun.hotspot.WhiteBox;

    29 

    30 public class NMethod extends CodeBlob {

    31   private static final WhiteBox wb = WhiteBox.getWhiteBox();

    32   public static NMethod get(Executable method, boolean isOsr) {

    33     Object[] obj = wb.getNMethod(method, isOsr);

    34     return obj == null ? null : new NMethod(obj);

    35   }

    36   private NMethod(Object[] obj) {

    37     super((Object[])obj[0]);

    38     assert obj.length == 4;

    39     comp_level = (Integer) obj[1];

    40     insts = (byte[]) obj[2];

    41     compile_id = (Integer) obj[3];

    42   }

    43   public final byte[] insts;

    44   public final int comp_level;

    45   public final int compile_id;

    46 

    47   @Override

    48   public String toString() {

    49     return "NMethod{"

    50         + super.toString()

    51         + ", insts=" + insts

    52         + ", comp_level=" + comp_level

    53         + ", compile_id=" + compile_id

    54         + '}';

    55   }

    56 }