1 /* 2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.hotspot; 24 25 import java.lang.reflect.*; 26 27 import jdk.vm.ci.meta.*; 28 29 /** 30 * Implementation of {@link JavaMethod} for resolved HotSpot methods. 31 */ 32 public interface HotSpotResolvedJavaMethod extends ResolvedJavaMethod { 33 34 /** 35 * Returns true if this method has a {@code CallerSensitive} annotation. 36 * 37 * @return true if CallerSensitive annotation present, false otherwise 38 */ 39 boolean isCallerSensitive(); 40 41 HotSpotResolvedObjectType getDeclaringClass(); 42 43 /** 44 * Returns true if this method has a {@code ForceInline} annotation. 45 * 46 * @return true if ForceInline annotation present, false otherwise 47 */ 48 boolean isForceInline(); 49 50 /** 51 * Returns true if this method has a {@code DontInline} annotation. 52 * 53 * @return true if DontInline annotation present, false otherwise 54 */ 55 boolean isDontInline(); 56 57 /** 58 * Manually adds a DontInline annotation to this method. 59 */ 60 void setNotInlineable(); 61 62 /** 63 * Returns true if this method is one of the special methods that is ignored by security stack 64 * walks. 65 * 66 * @return true if special method ignored by security stack walks, false otherwise 67 */ 68 boolean ignoredBySecurityStackWalk(); 69 70 ResolvedJavaMethod uniqueConcreteMethod(HotSpotResolvedObjectType receiver); 71 72 /** 73 * Returns whether this method has compiled code. 74 * 75 * @return true if this method has compiled code, false otherwise 76 */ 77 boolean hasCompiledCode(); 78 79 /** 80 * @param level 81 * @return true if the currently installed code was generated at {@code level}. 82 */ 83 boolean hasCompiledCodeAtLevel(int level); 84 85 default boolean isDefault() { 86 if (isConstructor()) { 87 return false; 88 } 89 // Copied from java.lang.Method.isDefault() 90 int mask = Modifier.ABSTRACT | Modifier.PUBLIC | Modifier.STATIC; 91 return ((getModifiers() & mask) == Modifier.PUBLIC) && getDeclaringClass().isInterface(); 92 } 93 94 /** 95 * Returns the offset of this method into the v-table. The method must have a v-table entry as 96 * indicated by {@link #isInVirtualMethodTable(ResolvedJavaType)}, otherwise an exception is 97 * thrown. 98 * 99 * @return the offset of this method into the v-table 100 */ 101 int vtableEntryOffset(ResolvedJavaType resolved); 102 103 int intrinsicId(); 104 105 /** 106 * Allocates a compile id for this method by asking the VM for one. 107 * 108 * @param entryBCI entry bci 109 * @return compile id 110 */ 111 int allocateCompileId(int entryBCI); 112 113 boolean hasCodeAtLevel(int entryBCI, int level); 114 }