1 /* 2 * Copyright (c) 2011, 2015, 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.Modifier; 26 27 import jdk.vm.ci.meta.JavaMethod; 28 import jdk.vm.ci.meta.ResolvedJavaMethod; 29 import jdk.vm.ci.meta.ResolvedJavaType; 30 31 /** 32 * Implementation of {@link JavaMethod} for resolved HotSpot methods. 33 */ 34 public interface HotSpotResolvedJavaMethod extends ResolvedJavaMethod { 35 36 /** 37 * Returns true if this method has a {@code CallerSensitive} annotation. 38 * 39 * @return true if CallerSensitive annotation present, false otherwise 40 */ 41 boolean isCallerSensitive(); 42 43 HotSpotResolvedObjectType getDeclaringClass(); 44 45 /** 46 * Returns true if this method has a {@code ForceInline} annotation. 47 * 48 * @return true if ForceInline annotation present, false otherwise 49 */ 50 boolean isForceInline(); 51 52 /** 53 * Returns true if this method has a {@code DontInline} annotation. 54 * 55 * @return true if DontInline annotation present, false otherwise 56 */ 57 boolean isDontInline(); 58 59 /** 60 * Returns true if this method has a {@code ReservedStackAccess} annotation. 61 * 62 * @return true if ReservedStackAccess annotation present, false otherwise 63 */ 64 boolean hasReservedStackAccess(); 65 66 /** 67 * Manually adds a DontInline annotation to this method. 68 */ 69 void setNotInlineable(); 70 71 /** 72 * Returns true if this method is one of the special methods that is ignored by security stack 73 * walks. 74 * 75 * @return true if special method ignored by security stack walks, false otherwise 76 */ 77 boolean ignoredBySecurityStackWalk(); 78 79 ResolvedJavaMethod uniqueConcreteMethod(HotSpotResolvedObjectType receiver); 80 81 /** 82 * Returns whether this method has compiled code. 83 * 84 * @return true if this method has compiled code, false otherwise 85 */ 86 boolean hasCompiledCode(); 87 88 /** 89 * @param level 90 * @return true if the currently installed code was generated at {@code level}. 91 */ 92 boolean hasCompiledCodeAtLevel(int level); 93 94 default boolean isDefault() { 95 if (isConstructor()) { 96 return false; 97 } 98 // Copied from java.lang.Method.isDefault() 99 int mask = Modifier.ABSTRACT | Modifier.PUBLIC | Modifier.STATIC; 100 return ((getModifiers() & mask) == Modifier.PUBLIC) && getDeclaringClass().isInterface(); 101 } 102 103 /** 104 * Returns the offset of this method into the v-table. The method must have a v-table entry as 105 * indicated by {@link #isInVirtualMethodTable(ResolvedJavaType)}, otherwise an exception is 106 * thrown. 107 * 108 * @return the offset of this method into the v-table 109 */ 110 int vtableEntryOffset(ResolvedJavaType resolved); 111 112 int intrinsicId(); 113 114 /** 115 * Allocates a compile id for this method by asking the VM for one. 116 * 117 * @param entryBCI entry bci 118 * @return compile id 119 */ 120 int allocateCompileId(int entryBCI); 121 122 boolean hasCodeAtLevel(int entryBCI, int level); 123 }