Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectType.java @ 23357:b05ad394cfd5
Add ResolvedJavaType.isAllocationClonable
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 28 Apr 2016 13:07:46 -0700 |
parents | 293eb76b86d3 |
children | 3f70efb8f473 |
line wrap: on
line source
/* * Copyright (c) 2011, 2015, 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 jdk.vm.ci.hotspot; import jdk.vm.ci.meta.Assumptions.AssumptionResult; import jdk.vm.ci.meta.Constant; import jdk.vm.ci.meta.ConstantPool; import jdk.vm.ci.meta.JavaConstant; import jdk.vm.ci.meta.JavaKind; import jdk.vm.ci.meta.JavaType; import jdk.vm.ci.meta.ResolvedJavaField; import jdk.vm.ci.meta.ResolvedJavaMethod; import jdk.vm.ci.meta.ResolvedJavaType; /** * Implementation of {@link JavaType} for resolved non-primitive HotSpot classes. */ public interface HotSpotResolvedObjectType extends ResolvedJavaType { /** * Gets the JVMCI mirror for a {@link Class} object. * * @return the {@link HotSpotResolvedJavaType} corresponding to {@code javaClass} */ static HotSpotResolvedObjectType fromObjectClass(Class<?> javaClass) { return HotSpotResolvedObjectTypeImpl.fromObjectClass(javaClass); } HotSpotResolvedObjectType getArrayClass(); ResolvedJavaType getComponentType(); AssumptionResult<ResolvedJavaType> findLeafConcreteSubtype(); HotSpotResolvedObjectType getSuperclass(); HotSpotResolvedObjectType[] getInterfaces(); HotSpotResolvedObjectType getSupertype(); HotSpotResolvedObjectType findLeastCommonAncestor(ResolvedJavaType otherType); default boolean isPrimitive() { return false; } default JavaKind getJavaKind() { return JavaKind.Object; } ConstantPool getConstantPool(); /** * Gets the instance size of this type. If an instance of this type cannot be fast path * allocated, then the returned value is negative (its absolute value gives the size). Must not * be called if this is an array or interface type. */ int instanceSize(); int getVtableLength(); @Override AssumptionResult<ResolvedJavaMethod> findUniqueConcreteMethod(ResolvedJavaMethod method); /** * Performs a fast-path check that this type is resolved in the context of a given accessing * class. A negative result does not mean this type is not resolved with respect to * {@code accessingClass}. That can only be determined by * {@linkplain HotSpotJVMCIRuntime#lookupType(String, HotSpotResolvedObjectType, boolean) * re-resolving} the type. */ boolean isDefinitelyResolvedWithRespectTo(ResolvedJavaType accessingClass); /** * Gets the metaspace Klass boxed in a {@link JavaConstant}. */ Constant klass(); boolean isPrimaryType(); int superCheckOffset(); long prototypeMarkWord(); int layoutHelper(); HotSpotResolvedObjectType getEnclosingType(); ResolvedJavaMethod getClassInitializer(); ResolvedJavaField createField(String name, JavaType type, long offset, int modifiers); }