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comparison test/testlibrary/whitebox/sun/hotspot/code/NMethod.java @ 17817:4abb719c5620

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8038240: new WB API to get nmethod Reviewed-by: morris, kvn
author iignatyev
date Thu, 27 Mar 2014 11:17:26 +0400
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17816:3829d0343db0 17817:4abb719c5620
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 {
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 assert obj.length == 2;
38 comp_level = (Integer) obj[0];
39 insts = (byte[]) obj[1];
40 }
41 public byte[] insts;
42 public int comp_level;
43
44 @Override
45 public String toString() {
46 return "NMethod{" +
47 "insts=" + insts +
48 ", comp_level=" + comp_level +
49 '}';
50 }
51 }