Mercurial > hg > truffle
diff test/testlibrary/whitebox/sun/hotspot/code/NMethod.java @ 17817:4abb719c5620
8038240: new WB API to get nmethod
Reviewed-by: morris, kvn
author | iignatyev |
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date | Thu, 27 Mar 2014 11:17:26 +0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/testlibrary/whitebox/sun/hotspot/code/NMethod.java Thu Mar 27 11:17:26 2014 +0400 @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +package sun.hotspot.code; + +import java.lang.reflect.Executable; +import sun.hotspot.WhiteBox; + +public class NMethod { + private static final WhiteBox wb = WhiteBox.getWhiteBox(); + public static NMethod get(Executable method, boolean isOsr) { + Object[] obj = wb.getNMethod(method, isOsr); + return obj == null ? null : new NMethod(obj); + } + private NMethod(Object[] obj) { + assert obj.length == 2; + comp_level = (Integer) obj[0]; + insts = (byte[]) obj[1]; + } + public byte[] insts; + public int comp_level; + + @Override + public String toString() { + return "NMethod{" + + "insts=" + insts + + ", comp_level=" + comp_level + + '}'; + } +}