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annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethod.java @ 24127:6d70d9c43369

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added ResolvedJavaType.isPlatformType (JDK-8177845)
author Doug Simon <doug.simon@oracle.com>
date Sat, 15 Apr 2017 23:54:19 +0200
parents 6d2c72b822b0
children b01354ea98ec
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package jdk.vm.ci.hotspot;
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24
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25 import java.lang.reflect.Modifier;
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26
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27 import jdk.vm.ci.meta.JavaMethod;
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28 import jdk.vm.ci.meta.ResolvedJavaMethod;
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29 import jdk.vm.ci.meta.ResolvedJavaType;
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30
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31 /**
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32 * Implementation of {@link JavaMethod} for resolved HotSpot methods.
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33 */
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34 public interface HotSpotResolvedJavaMethod extends ResolvedJavaMethod {
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35
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36 /**
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37 * Returns true if this method has a {@code CallerSensitive} annotation.
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38 *
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39 * @return true if CallerSensitive annotation present, false otherwise
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40 */
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41 boolean isCallerSensitive();
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42
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43 HotSpotResolvedObjectType getDeclaringClass();
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44
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45 /**
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46 * Returns true if this method has a {@code ForceInline} annotation.
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47 *
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48 * @return true if ForceInline annotation present, false otherwise
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49 */
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50 boolean isForceInline();
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51
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52 /**
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53 * Returns true if this method has a {@code ReservedStackAccess} annotation.
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54 *
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55 * @return true if ReservedStackAccess annotation present, false otherwise
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56 */
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57 boolean hasReservedStackAccess();
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58
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59 /**
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60 * Manually adds a DontInline annotation to this method.
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61 */
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62 void setNotInlineable();
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63
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64 /**
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65 * Returns true if this method is one of the special methods that is ignored by security stack
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66 * walks.
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67 *
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68 * @return true if special method ignored by security stack walks, false otherwise
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69 */
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70 boolean ignoredBySecurityStackWalk();
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71
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72 ResolvedJavaMethod uniqueConcreteMethod(HotSpotResolvedObjectType receiver);
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73
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74 /**
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75 * Returns whether this method has compiled code.
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76 *
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77 * @return true if this method has compiled code, false otherwise
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78 */
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79 boolean hasCompiledCode();
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80
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81 /**
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82 * @param level
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83 * @return true if the currently installed code was generated at {@code level}.
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84 */
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85 boolean hasCompiledCodeAtLevel(int level);
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86
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87 default boolean isDefault() {
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88 if (isConstructor()) {
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89 return false;
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90 }
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91 // Copied from java.lang.Method.isDefault()
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92 int mask = Modifier.ABSTRACT | Modifier.PUBLIC | Modifier.STATIC;
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93 return ((getModifiers() & mask) == Modifier.PUBLIC) && getDeclaringClass().isInterface();
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94 }
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95
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96 /**
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97 * Returns the offset of this method into the v-table. The method must have a v-table entry as
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98 * indicated by {@link #isInVirtualMethodTable(ResolvedJavaType)}, otherwise an exception is
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99 * thrown.
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100 *
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101 * @return the offset of this method into the v-table
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102 */
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103 int vtableEntryOffset(ResolvedJavaType resolved);
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104
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105 int intrinsicId();
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106
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107 /**
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108 * Determines if this method denotes itself as a candidate for intrinsification. As of JDK9,
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109 * this is denoted by the {@code HotSpotIntrinsicCandidate} annotation. In earlier JDK versions,
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110 * this method returns true.
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111 *
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112 * @see <a href="https://bugs.openjdk.java.net/browse/JDK-8076112">JDK-8076112</a>
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113 */
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114 default boolean isIntrinsicCandidate() {
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115 return true;
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116 }
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117
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118 /**
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119 * Allocates a compile id for this method by asking the VM for one.
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120 *
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121 * @param entryBCI entry bci
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122 * @return compile id
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123 */
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124 int allocateCompileId(int entryBCI);
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125
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126 boolean hasCodeAtLevel(int entryBCI, int level);
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127 }