Mercurial > hg > graal-jvmci-8
view graal/Runtime/src/com/sun/hotspot/c1x/HotSpotTypeResolvedImpl.java @ 2493:d8891d81dc8e
Fixed issue with resolving class: HotSpot must not resolve class at invokestatic bytecodes.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 22 Apr 2011 19:41:55 +0200 |
parents | 4e5515d09314 |
children | c737ee310b39 |
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/* * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved. * * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product * that is described in this document. In particular, and without limitation, these intellectual property * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or * more additional patents or pending patent applications in the U.S. and in other countries. * * U.S. Government Rights - Commercial software. Government users are subject to the Sun * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its * supplements. * * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the * U.S. and other countries. * * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open * Company, Ltd. */ package com.sun.hotspot.c1x; import java.lang.reflect.*; import java.util.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * Implementation of RiType for resolved non-primitive HotSpot classes. * * @author Thomas Wuerthinger, Lukas Stadler */ public final class HotSpotTypeResolvedImpl extends HotSpotType implements HotSpotTypeResolved { private Class javaMirror; private String simpleName; private int accessFlags; private boolean hasFinalizer; private boolean hasSubclass; private boolean hasFinalizableSubclass; private boolean isInitialized; private boolean isArrayClass; private boolean isInstanceClass; private boolean isInterface; private int instanceSize; private RiType componentType; private HashMap<Long, RiField> fieldCache; private RiConstantPool pool; private HotSpotTypeResolvedImpl() { super(null); } @Override public int accessFlags() { return accessFlags; } @Override public RiType arrayOf() { return compiler.getVMEntries().RiType_arrayOf(this); } @Override public RiType componentType() { return compiler.getVMEntries().RiType_componentType(this); } @Override public RiType uniqueConcreteSubtype() { return compiler.getVMEntries().RiType_uniqueConcreteSubtype(this); } @Override public RiType superType() { return compiler.getVMEntries().RiType_superType(this); } @Override public RiType exactType() { if (Modifier.isFinal(accessFlags)) { return this; } return null; } @Override public CiConstant getEncoding(Representation r) { switch (r) { case JavaClass: return CiConstant.forObject(javaClass()); case ObjectHub: return CiConstant.forObject(this); case StaticFields: return CiConstant.forObject(javaClass()); case TypeInfo: return CiConstant.forObject(this); default: return null; } } @Override public CiKind getRepresentationKind(Representation r) { return CiKind.Object; } @Override public boolean hasFinalizableSubclass() { return hasFinalizableSubclass; } @Override public boolean hasFinalizer() { return hasFinalizer; } @Override public boolean hasSubclass() { return hasSubclass; } @Override public boolean isArrayClass() { return isArrayClass; } @Override public boolean isInitialized() { return isInitialized; } @Override public boolean isInstance(CiConstant obj) { return javaMirror.isInstance(obj); } @Override public boolean isInstanceClass() { return isInstanceClass; } @Override public boolean isInterface() { return isInterface; } @Override public boolean isResolved() { return true; } @Override public boolean isSubtypeOf(RiType other) { if (other instanceof HotSpotTypeResolved) { return compiler.getVMEntries().RiType_isSubtypeOf(this, other); } // No resolved type is a subtype of an unresolved type. return false; } @Override public Class<?> javaClass() { return javaMirror; } @Override public CiKind kind() { return CiKind.Object; } @Override public RiMethod resolveMethodImpl(RiMethod method) { assert method instanceof HotSpotMethod; return compiler.getVMEntries().RiType_resolveMethodImpl(this, method.name(), method.signature().asString()); } @Override public String toString() { return "HotSpotType<" + simpleName + ", resolved>"; } @Override public RiConstantPool constantPool() { // TODO: Implement constant pool without the need for VmId and cache the constant pool. return compiler.getVMEntries().RiType_constantPool(this); } @Override public int instanceSize() { return instanceSize; } @Override public RiField createRiField(String name, RiType type, int offset, int flags) { RiField result = null; long id = offset + ((long) flags << 32); // (tw) Must cache the fields, because the local load elimination only works if the objects from two field lookups are equal. if (fieldCache == null) { fieldCache = new HashMap<Long, RiField>(8); } else { result = fieldCache.get(id); } if (result == null) { result = new HotSpotField(compiler, this, name, type, offset, flags); fieldCache.put(id, result); } else { assert result.type().equals(type); assert result.name().equals(name); assert result.accessFlags() == flags; } return result; } }