17817
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 package sun.hotspot.code;
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26
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27 import java.lang.reflect.Executable;
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28 import sun.hotspot.WhiteBox;
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29
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30 public class NMethod {
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31 private static final WhiteBox wb = WhiteBox.getWhiteBox();
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32 public static NMethod get(Executable method, boolean isOsr) {
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33 Object[] obj = wb.getNMethod(method, isOsr);
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34 return obj == null ? null : new NMethod(obj);
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35 }
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36 private NMethod(Object[] obj) {
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37 assert obj.length == 2;
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38 comp_level = (Integer) obj[0];
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39 insts = (byte[]) obj[1];
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40 }
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41 public byte[] insts;
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42 public int comp_level;
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43
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44 @Override
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45 public String toString() {
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46 return "NMethod{" +
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47 "insts=" + insts +
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48 ", comp_level=" + comp_level +
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49 '}';
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50 }
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51 }
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