Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/prims/JvmtiExport.java @ 7353:b5280041f59e
Experiment with soft alignment for branch targets.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 13 Jan 2013 19:32:16 +0100 |
parents | f6f3bb0ee072 |
children | 79f492f184d0 |
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/* * Copyright (c) 2011, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.prims; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.types.*; public class JvmtiExport { static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { Type type = db.lookupType("JvmtiExport"); // XXX // canAccessLocalVariables = type.getCIntegerField("_can_access_local_variables"); // canHotswapOrPostBreakpoint = type.getCIntegerField("_can_hotswap_or_post_breakpoint"); // canPostOnExceptions = type.getCIntegerField("_can_post_on_exceptions"); } private static CIntegerField canAccessLocalVariables; private static CIntegerField canHotswapOrPostBreakpoint; private static CIntegerField canPostOnExceptions; public static boolean canAccessLocalVariables() { // return canAccessLocalVariables.getValue() != 0; return false; } public static boolean canHotswapOrPostBreakpoint() { // return canHotswapOrPostBreakpoint.getValue() != 0; return false; } public static boolean canPostOnExceptions() { // return canPostOnExceptions.getValue() != 0; return false; } }