Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectSubstitutions.java @ 18362:ea0fbb571466
Use pointer stamps in LoadHub and LoadMethod.
Introduce explicit casts between Word and metaspace pointers.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 13 Nov 2014 11:12:25 +0100 |
parents | 31832ebd40cf |
children | ed0fce2e999a |
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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.replacements; import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*; import static com.oracle.graal.nodes.PiNode.*; import com.oracle.graal.api.replacements.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.word.*; /** * Substitutions for {@link java.lang.Object} methods. */ @ClassSubstitution(java.lang.Object.class) public class ObjectSubstitutions { @MacroSubstitution(macro = ObjectGetClassNode.class, isStatic = false, forced = true) @MethodSubstitution(isStatic = false, forced = true) public static Class<?> getClass(final Object thisObj) { Pointer hub = loadHub(thisObj); return piCastExactNonNull(hub.readObject(Word.signed(classMirrorOffset()), CLASS_MIRROR_LOCATION), Class.class); } @MethodSubstitution(isStatic = false) public static int hashCode(final Object thisObj) { return computeHashCode(thisObj); } @MethodSubstitution(value = "<init>", isStatic = false, forced = true) public static void init(Object thisObj) { RegisterFinalizerNode.register(thisObj); } @MacroSubstitution(macro = ObjectCloneNode.class, isStatic = false, forced = true) public static native Object clone(Object obj); }