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 sun.hotspot.WhiteBox;

    28 

    29 public class CodeBlob {

    30   private static final WhiteBox WB = WhiteBox.getWhiteBox();

    31   public static CodeBlob[] getCodeBlobs(BlobType type) {

    32     Object[] obj = WB.getCodeHeapEntries(type.id);

    33     if (obj == null) {

    34       return null;

    35     }

    36     CodeBlob[] result = new CodeBlob[obj.length];

    37     for (int i = 0, n = result.length; i < n; ++i) {

    38       result[i] = new CodeBlob((Object[]) obj[i]);

    39     }

    40     return result;

    41   }

    42   public static CodeBlob getCodeBlob(long addr) {

    43     Object[] obj = WB.getCodeBlob(addr);

    44     if (obj == null) {

    45       return null;

    46     }

    47     return new CodeBlob(obj);

    48   }

    49   protected CodeBlob(Object[] obj) {

    50     assert obj.length == 3;

    51     name = (String) obj[0];

    52     size = (Integer) obj[1];

    53     code_blob_type = BlobType.values()[(Integer) obj[2]];

    54     assert code_blob_type.id == (Integer) obj[2];

    55   }

    56   public final String name;

    57   public final int size;

    58   public final BlobType code_blob_type;

    59 

    60   @Override

    61   public String toString() {

    62     return "CodeBlob{"

    63         + "name=" + name

    64         + ", size=" + size

    65         + ", code_blob_type=" + code_blob_type

    66         + '}';

    67   }

    68 }