Mercurial > hg > graal-compiler
view agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeStore.java @ 2042:0a8e0d4345b3 hs20-b05 jdk7-b124
7010068: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - first pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: jcoomes
author | trims |
---|---|
date | Mon, 03 Jan 2011 15:30:05 -0800 |
parents | c18cbe5936b8 |
children |
line wrap: on
line source
/* * Copyright (c) 2002, 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.jvm.hotspot.interpreter; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.utilities.*; public class BytecodeStore extends BytecodeLoadStore { BytecodeStore(Method method, int bci) { super(method, bci); } public void verify() { if (Assert.ASSERTS_ENABLED) { Assert.that(isValid(), "check store"); } } public boolean isValid() { int jcode = javaCode(); switch (jcode) { case Bytecodes._istore: case Bytecodes._lstore: case Bytecodes._fstore: case Bytecodes._dstore: case Bytecodes._astore: return true; default: return false; } } public static BytecodeStore at(Method method, int bci) { BytecodeStore b = new BytecodeStore(method, bci); if (Assert.ASSERTS_ENABLED) { b.verify(); } return b; } /** Like at, but returns null if the BCI is not at store */ public static BytecodeStore atCheck(Method method, int bci) { BytecodeStore b = new BytecodeStore(method, bci); return (b.isValid() ? b : null); } public static BytecodeStore at(BytecodeStream bcs) { return new BytecodeStore(bcs.method(), bcs.bci()); } }