NMethod.java revision 1695:dec57655571e
162587Sitojun/* 262587Sitojun * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 362587Sitojun * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4331722Seadler * 555009Sshin * This code is free software; you can redistribute it and/or modify it 655009Sshin * under the terms of the GNU General Public License version 2 only, as 755009Sshin * published by the Free Software Foundation. 855009Sshin * 955009Sshin * This code is distributed in the hope that it will be useful, but WITHOUT 1055009Sshin * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1155009Sshin * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1255009Sshin * version 2 for more details (a copy is included in the LICENSE file that 1355009Sshin * accompanied this code). 1455009Sshin * 1555009Sshin * You should have received a copy of the GNU General Public License version 1655009Sshin * 2 along with this work; if not, write to the Free Software Foundation, 1755009Sshin * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1855009Sshin * 1955009Sshin * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2055009Sshin * or visit www.oracle.com if you need additional information or have any 2155009Sshin * questions. 2255009Sshin * 2355009Sshin */ 2455009Sshin 2555009Sshinpackage sun.hotspot.code; 2655009Sshin 2755009Sshinimport java.lang.reflect.Executable; 2855009Sshinimport sun.hotspot.WhiteBox; 2955009Sshin 3055009Sshinpublic class NMethod extends CodeBlob { 3155009Sshin private static final WhiteBox wb = WhiteBox.getWhiteBox(); 3255009Sshin public static NMethod get(Executable method, boolean isOsr) { 3355009Sshin Object[] obj = wb.getNMethod(method, isOsr); 3455009Sshin return obj == null ? null : new NMethod(obj); 3555009Sshin } 3655009Sshin private NMethod(Object[] obj) { 3755009Sshin super((Object[])obj[0]); 38300773Scem assert obj.length == 5; 39300773Scem comp_level = (Integer) obj[1]; 4055009Sshin insts = (byte[]) obj[2]; 4155009Sshin compile_id = (Integer) obj[3]; 4255009Sshin address = (Long) obj[4]; 4355009Sshin } 4455009Sshin public final byte[] insts; 4555009Sshin public final int comp_level; 4655009Sshin public final int compile_id; 4755009Sshin public final long address; 4855009Sshin 4955009Sshin @Override 5055009Sshin public String toString() { 5155009Sshin return "NMethod{" 5255009Sshin + super.toString() 5355009Sshin + ", insts=" + insts 5455009Sshin + ", comp_level=" + comp_level 5555009Sshin + ", compile_id=" + compile_id 56292963Sallanjude + ", address=" + address 5755009Sshin + '}'; 58300773Scem } 59300773Scem} 6055206Speter