Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/word/HotSpotWordTypes.java @ 22402:abb42ea1f4eb
Backout 565196752144
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Mon, 03 Aug 2015 09:35:55 -0700 |
parents | 565196752144 |
children | b00cc0475f31 |
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/* * Copyright (c) 2012, 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 com.oracle.graal.hotspot.word; import jdk.internal.jvmci.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.hotspot.nodes.type.*; import com.oracle.graal.word.*; /** * Extends {@link WordTypes} with information about HotSpot metaspace pointer types. */ public class HotSpotWordTypes extends WordTypes { /** * Resolved type for {@link MetaspacePointer}. */ private final ResolvedJavaType metaspacePointerType; /** * Resolved type for {@link KlassPointer}. */ private final ResolvedJavaType klassPointerType; /** * Resolved type for {@link MethodPointer}. */ private final ResolvedJavaType methodPointerType; public HotSpotWordTypes(MetaAccessProvider metaAccess, Kind wordKind) { super(metaAccess, wordKind); this.metaspacePointerType = metaAccess.lookupJavaType(MetaspacePointer.class); this.klassPointerType = metaAccess.lookupJavaType(KlassPointer.class); this.methodPointerType = metaAccess.lookupJavaType(MethodPointer.class); } @Override public boolean isWord(ResolvedJavaType type) { if (type != null && metaspacePointerType.isAssignableFrom(type)) { return true; } return super.isWord(type); } @Override public Kind asKind(JavaType type) { if (klassPointerType.equals(type) || methodPointerType.equals(type)) { return getWordKind(); } return super.asKind(type); } @Override public Stamp getWordStamp(ResolvedJavaType type) { if (type.equals(klassPointerType)) { return KlassPointerStamp.klass(); } else if (type.equals(methodPointerType)) { return MethodPointerStamp.method(); } return super.getWordStamp(type); } }