VirtualObjectDebugInfoTest.java revision 11707:ad7af1afda7a
1/* 2 * Copyright (c) 2015, 2016, 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 24/** 25 * @test 26 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9") & os.arch != "aarch64" 27 * @library / 28 * @modules jdk.vm.ci/jdk.vm.ci.hotspot 29 * jdk.vm.ci/jdk.vm.ci.meta 30 * jdk.vm.ci/jdk.vm.ci.code 31 * jdk.vm.ci/jdk.vm.ci.code.site 32 * jdk.vm.ci/jdk.vm.ci.runtime 33 * jdk.vm.ci/jdk.vm.ci.amd64 34 * jdk.vm.ci/jdk.vm.ci.sparc 35 * @compile CodeInstallationTest.java DebugInfoTest.java TestAssembler.java TestHotSpotVMConfig.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java 36 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI jdk.vm.ci.code.test.VirtualObjectDebugInfoTest 37 */ 38 39package jdk.vm.ci.code.test; 40 41import jdk.vm.ci.code.Register; 42import jdk.vm.ci.code.VirtualObject; 43import jdk.vm.ci.hotspot.HotSpotConstant; 44import jdk.vm.ci.meta.JavaConstant; 45import jdk.vm.ci.meta.JavaKind; 46import jdk.vm.ci.meta.JavaValue; 47import jdk.vm.ci.meta.ResolvedJavaField; 48import jdk.vm.ci.meta.ResolvedJavaType; 49import org.junit.Assert; 50import org.junit.Test; 51 52import java.util.ArrayList; 53import java.util.Objects; 54 55public class VirtualObjectDebugInfoTest extends DebugInfoTest { 56 57 private static class TestClass { 58 59 private long longField; 60 private int intField; 61 private float floatField; 62 private Object[] arrayField; 63 64 TestClass() { 65 this.longField = 8472; 66 this.intField = 42; 67 this.floatField = 3.14f; 68 this.arrayField = new Object[]{Integer.valueOf(58), this, null, Integer.valueOf(17), "Hello, World!"}; 69 } 70 71 @Override 72 public boolean equals(Object o) { 73 if (!(o instanceof TestClass)) { 74 return false; 75 } 76 77 TestClass other = (TestClass) o; 78 if (this.longField != other.longField || this.intField != other.intField || this.floatField != other.floatField || this.arrayField.length != other.arrayField.length) { 79 return false; 80 } 81 82 for (int i = 0; i < this.arrayField.length; i++) { 83 // break cycle 84 if (this.arrayField[i] == this && other.arrayField[i] == other) { 85 continue; 86 } 87 88 if (!Objects.equals(this.arrayField[i], other.arrayField[i])) { 89 return false; 90 } 91 } 92 93 return true; 94 } 95 96 @Override 97 public int hashCode() { 98 return super.hashCode(); 99 } 100 } 101 102 public static TestClass buildObject() { 103 return new TestClass(); 104 } 105 106 private VirtualObject[] compileBuildObject(TestAssembler asm, JavaValue[] values) { 107 TestClass template = new TestClass(); 108 ArrayList<VirtualObject> vobjs = new ArrayList<>(); 109 110 ResolvedJavaType retType = metaAccess.lookupJavaType(TestClass.class); 111 VirtualObject ret = VirtualObject.get(retType, vobjs.size()); 112 vobjs.add(ret); 113 values[0] = ret; 114 115 ResolvedJavaType arrayType = metaAccess.lookupJavaType(Object[].class); 116 VirtualObject array = VirtualObject.get(arrayType, vobjs.size()); 117 vobjs.add(array); 118 119 // build array for ret.arrayField 120 ResolvedJavaType integerType = metaAccess.lookupJavaType(Integer.class); 121 JavaValue[] arrayContent = new JavaValue[template.arrayField.length]; 122 JavaKind[] arrayKind = new JavaKind[template.arrayField.length]; 123 for (int i = 0; i < arrayContent.length; i++) { 124 arrayKind[i] = JavaKind.Object; 125 if (template.arrayField[i] == null) { 126 arrayContent[i] = JavaConstant.NULL_POINTER; 127 } else if (template.arrayField[i] == template) { 128 arrayContent[i] = ret; 129 } else if (template.arrayField[i] instanceof Integer) { 130 int value = (Integer) template.arrayField[i]; 131 VirtualObject boxed = VirtualObject.get(integerType, vobjs.size()); 132 vobjs.add(boxed); 133 arrayContent[i] = boxed; 134 boxed.setValues(new JavaValue[]{JavaConstant.forInt(value)}, new JavaKind[]{JavaKind.Int}); 135 } else if (template.arrayField[i] instanceof String) { 136 String value = (String) template.arrayField[i]; 137 Register reg = asm.emitLoadPointer((HotSpotConstant) constantReflection.forString(value)); 138 arrayContent[i] = reg.asValue(asm.getValueKind(JavaKind.Object)); 139 } else { 140 Assert.fail("unexpected value"); 141 } 142 } 143 array.setValues(arrayContent, arrayKind); 144 145 // build return object 146 ResolvedJavaField[] fields = retType.getInstanceFields(true); 147 JavaValue[] retContent = new JavaValue[fields.length]; 148 JavaKind[] retKind = new JavaKind[fields.length]; 149 for (int i = 0; i < fields.length; i++) { 150 retKind[i] = fields[i].getJavaKind(); 151 switch (retKind[i]) { 152 case Long: // template.longField 153 retContent[i] = JavaConstant.forLong(template.longField); 154 break; 155 case Int: // template.intField 156 Register intReg = asm.emitLoadInt(template.intField); 157 retContent[i] = asm.emitIntToStack(intReg); 158 break; 159 case Float: // template.floatField 160 Register fReg = asm.emitLoadFloat(template.floatField); 161 retContent[i] = fReg.asValue(asm.getValueKind(JavaKind.Float)); 162 break; 163 case Object: // template.arrayField 164 retContent[i] = array; 165 break; 166 default: 167 Assert.fail("unexpected field"); 168 } 169 } 170 ret.setValues(retContent, retKind); 171 172 return vobjs.toArray(new VirtualObject[0]); 173 } 174 175 @Test 176 public void testBuildObject() { 177 test(this::compileBuildObject, getMethod("buildObject"), 7, JavaKind.Object); 178 } 179} 180