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1 /* |
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2 * Copyright (c) 2016, 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 |
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24 /* |
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25 * @test |
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26 * @bug 8138708 |
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27 * @requires vm.jvmci |
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28 * @library /test/lib / |
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29 * @library ../common/patches |
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30 * @modules java.base/jdk.internal.misc |
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31 * java.base/jdk.internal.reflect |
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32 * java.base/jdk.internal.org.objectweb.asm |
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33 * java.base/jdk.internal.org.objectweb.asm.tree |
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34 * jdk.internal.vm.ci/jdk.vm.ci.hotspot |
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35 * jdk.internal.vm.ci/jdk.vm.ci.meta |
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36 * jdk.internal.vm.ci/jdk.vm.ci.runtime |
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37 * |
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38 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
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39 * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
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40 * sun.hotspot.WhiteBox$WhiteBoxPermission |
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41 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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42 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
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43 * -Djvmci.Compiler=null |
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44 * compiler.jvmci.compilerToVM.ResolveFieldInPoolTest |
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45 */ |
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46 |
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47 package compiler.jvmci.compilerToVM; |
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48 |
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49 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; |
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50 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry; |
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51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; |
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52 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; |
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53 import jdk.internal.misc.Unsafe; |
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54 import jdk.internal.org.objectweb.asm.Opcodes; |
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55 import jdk.test.lib.Asserts; |
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56 import jdk.vm.ci.hotspot.CompilerToVMHelper; |
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57 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; |
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58 import jdk.vm.ci.meta.ConstantPool; |
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59 |
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60 import java.lang.reflect.Field; |
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61 import java.util.HashMap; |
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62 import java.util.Map; |
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63 |
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64 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_FIELDREF; |
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65 |
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66 /** |
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67 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveFieldInPool} method |
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68 */ |
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69 public class ResolveFieldInPoolTest { |
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70 |
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71 private static final Unsafe UNSAFE = Unsafe.getUnsafe(); |
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72 |
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73 public static void main(String[] args) throws Exception { |
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74 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); |
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75 typeTests.put(CONSTANT_FIELDREF, ResolveFieldInPoolTest::validate); |
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76 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); |
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77 testCase.test(); |
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78 // The next "Class.forName" and repeating "testCase.test()" |
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79 // are here for the following reason. |
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80 // The first test run is without dummy class initialization, |
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81 // which means no constant pool cache exists. |
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82 // The second run is with initialized class (with constant pool cache available). |
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83 // Some CompilerToVM methods require different input |
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84 // depending on whether CP cache exists or not. |
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85 for (DummyClasses dummy : DummyClasses.values()) { |
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86 Class.forName(dummy.klass.getName()); |
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87 } |
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88 testCase.test(); |
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89 } |
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90 |
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91 private static void validate(ConstantPool constantPoolCTVM, |
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92 ConstantTypes cpType, |
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93 DummyClasses dummyClass, |
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94 int cpi) { |
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95 TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi); |
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96 if (entry == null) { |
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97 return; |
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98 } |
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99 int index = cpi; |
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100 String cached = ""; |
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101 int cpci = dummyClass.getCPCacheIndex(cpi); |
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102 if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) { |
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103 index = cpci; |
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104 cached = "cached "; |
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105 } |
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106 for (int j = 0; j < entry.opcodes.length; j++) { |
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107 int[] info = new int[3]; |
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108 HotSpotResolvedObjectType fieldToVerify |
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109 = CompilerToVMHelper.resolveFieldInPool(constantPoolCTVM, |
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110 index, |
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111 entry.methods == null ? null : entry.methods[j], |
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112 entry.opcodes[j], |
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113 info); |
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114 String msg = String.format("Object returned by resolveFieldInPool method" |
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115 + " for %sindex %d should not be null", |
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116 cached, |
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117 index); |
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118 Asserts.assertNotNull(fieldToVerify, msg); |
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119 String classNameToRefer = entry.klass; |
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120 String fieldToVerifyKlassToString = fieldToVerify.klass().toValueString(); |
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121 if (!fieldToVerifyKlassToString.contains(classNameToRefer)) { |
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122 msg = String.format("String representation \"%s\" of the object" |
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123 + " returned by resolveFieldInPool method" |
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124 + " for index %d does not contain a field's class name," |
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125 + " should contain %s", |
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126 fieldToVerifyKlassToString, |
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127 index, |
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128 classNameToRefer); |
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129 throw new AssertionError(msg); |
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130 } |
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131 msg = String.format("Access flags returned by resolveFieldInPool" |
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132 + " method are wrong for the field %s.%s" |
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133 + " at %sindex %d", |
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134 entry.klass, |
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135 entry.name, |
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136 cached, |
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137 index); |
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138 Asserts.assertEQ(info[0], entry.accFlags, msg); |
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139 if (cpci == -1) { |
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140 return; |
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141 } |
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142 Class classOfTheField = null; |
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143 Field fieldToRefer = null; |
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144 try { |
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145 classOfTheField = Class.forName(classNameToRefer.replaceAll("/", "\\.")); |
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146 fieldToRefer = classOfTheField.getDeclaredField(entry.name); |
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147 fieldToRefer.setAccessible(true); |
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148 } catch (Exception ex) { |
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149 throw new Error("Unexpected exception", ex); |
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150 } |
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151 int offsetToRefer; |
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152 if ((entry.accFlags & Opcodes.ACC_STATIC) != 0) { |
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153 offsetToRefer = (int) UNSAFE.staticFieldOffset(fieldToRefer); |
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154 } else { |
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155 offsetToRefer = (int) UNSAFE.objectFieldOffset(fieldToRefer); |
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156 } |
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157 msg = String.format("Field offset returned by resolveFieldInPool" |
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158 + " method is wrong for the field %s.%s" |
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159 + " at %sindex %d", |
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160 entry.klass, |
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161 entry.name, |
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162 cached, |
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163 index); |
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164 Asserts.assertEQ(info[1], offsetToRefer, msg); |
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165 } |
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166 } |
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167 } |