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