--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethod.java 2017-02-15 16:55:55.579590582 -0800 @@ -0,0 +1,125 @@ +/* + * 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 java.lang.reflect.Modifier; + +import jdk.vm.ci.meta.JavaMethod; +import jdk.vm.ci.meta.ResolvedJavaMethod; +import jdk.vm.ci.meta.ResolvedJavaType; + +/** + * Implementation of {@link JavaMethod} for resolved HotSpot methods. + */ +public interface HotSpotResolvedJavaMethod extends ResolvedJavaMethod { + + /** + * Returns true if this method has a {@code CallerSensitive} annotation. + * + * @return true if CallerSensitive annotation present, false otherwise + */ + boolean isCallerSensitive(); + + HotSpotResolvedObjectType getDeclaringClass(); + + /** + * Returns true if this method has a {@code ForceInline} annotation. + * + * @return true if ForceInline annotation present, false otherwise + */ + boolean isForceInline(); + + /** + * Returns true if this method has a {@code ReservedStackAccess} annotation. + * + * @return true if ReservedStackAccess annotation present, false otherwise + */ + boolean hasReservedStackAccess(); + + /** + * Manually adds a DontInline annotation to this method. + */ + void setNotInlineable(); + + /** + * Returns true if this method is one of the special methods that is ignored by security stack + * walks. + * + * @return true if special method ignored by security stack walks, false otherwise + */ + boolean ignoredBySecurityStackWalk(); + + ResolvedJavaMethod uniqueConcreteMethod(HotSpotResolvedObjectType receiver); + + /** + * Returns whether this method has compiled code. + * + * @return true if this method has compiled code, false otherwise + */ + boolean hasCompiledCode(); + + /** + * @param level + * @return true if the currently installed code was generated at {@code level}. + */ + boolean hasCompiledCodeAtLevel(int level); + + default boolean isDefault() { + if (isConstructor()) { + return false; + } + // Copied from java.lang.Method.isDefault() + int mask = Modifier.ABSTRACT | Modifier.PUBLIC | Modifier.STATIC; + return ((getModifiers() & mask) == Modifier.PUBLIC) && getDeclaringClass().isInterface(); + } + + /** + * Returns the offset of this method into the v-table. The method must have a v-table entry as + * indicated by {@link #isInVirtualMethodTable(ResolvedJavaType)}, otherwise an exception is + * thrown. + * + * @return the offset of this method into the v-table + */ + int vtableEntryOffset(ResolvedJavaType resolved); + + int intrinsicId(); + + /** + * Determines if this method denotes itself as a candidate for intrinsification. As of JDK 9, + * this is denoted by the {@code HotSpotIntrinsicCandidate} annotation. In earlier JDK versions, + * this method returns true. + * + * @see JDK-8076112 + */ + boolean isIntrinsicCandidate(); + + /** + * Allocates a compile id for this method by asking the VM for one. + * + * @param entryBCI entry bci + * @return compile id + */ + int allocateCompileId(int entryBCI); + + boolean hasCodeAtLevel(int entryBCI, int level); +}