1 /* 2 * Copyright (c) 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 /* 26 * @test 27 * @bug 8138708 28 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64") 29 * @library /testlibrary /test/lib / 30 * @library ../common/patches 31 * @modules java.base/jdk.internal.misc 32 * java.base/jdk.internal.reflect 33 * java.base/jdk.internal.org.objectweb.asm 34 * java.base/jdk.internal.org.objectweb.asm.tree 35 * jdk.vm.ci/jdk.vm.ci.hotspot 36 * jdk.vm.ci/jdk.vm.ci.meta 37 * jdk.vm.ci/jdk.vm.ci.runtime 38 * 39 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 40 * @build sun.hotspot.WhiteBox 41 * compiler.jvmci.compilerToVM.LookupMethodInPoolTest 42 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 43 * sun.hotspot.WhiteBox$WhiteBoxPermission 44 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 45 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 46 * compiler.jvmci.compilerToVM.LookupMethodInPoolTest 47 */ 48 49 package compiler.jvmci.compilerToVM; 50 51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; 52 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry; 53 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; 54 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; 55 import jdk.test.lib.Asserts; 56 import jdk.vm.ci.hotspot.CompilerToVMHelper; 57 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 58 import jdk.vm.ci.meta.ConstantPool; 59 60 import java.util.HashMap; 61 import java.util.Map; 62 63 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF; 64 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF; 65 66 /** 67 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupMethodInPool} method 68 */ 69 public class LookupMethodInPoolTest { 70 71 public static void main(String[] args) throws Exception { 72 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); 73 typeTests.put(CONSTANT_METHODREF, LookupMethodInPoolTest::validate); 74 typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupMethodInPoolTest::validate); 75 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); 76 testCase.test(); 77 // The next "Class.forName" and repeating "testCase.test()" 78 // are here for the following reason. 79 // The first test run is without dummy class initialization, 80 // which means no constant pool cache exists. 81 // The second run is with initialized class (with constant pool cache available). 82 // Some CompilerToVM methods require different input 83 // depending on whether CP cache exists or not. 84 for (DummyClasses dummy : DummyClasses.values()) { 85 Class.forName(dummy.klass.getName()); 86 } 87 testCase.test(); 88 } 89 90 private static void validate(ConstantPool constantPoolCTVM, 91 ConstantTypes cpType, 92 DummyClasses dummyClass, 93 int cpi) { 94 TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi); 95 if (entry == null) { 96 return; 97 } 98 int index = cpi; 99 String cached = ""; 100 int cpci = dummyClass.getCPCacheIndex(cpi); 101 if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) { 102 index = cpci; 103 cached = "cached "; 104 } 105 for (int j = 0; j < entry.opcodes.length; j++) { 106 HotSpotResolvedJavaMethod methodToVerify = CompilerToVMHelper 107 .lookupMethodInPool(constantPoolCTVM, index, entry.opcodes[j]); 108 String msg = String.format("Object returned by lookupMethodInPool method" 109 + " for %sindex %d should not be null", 110 cached, 111 index); 112 Asserts.assertNotNull(methodToVerify, msg); 113 String[] classNameSplit = entry.klass.split("/"); 114 String classNameToRefer = classNameSplit[classNameSplit.length - 1]; 115 String methodNameToRefer = entry.name; 116 String methodToVerifyToString = methodToVerify.toString(); 117 if (!methodToVerifyToString.contains(classNameToRefer) 118 || !methodToVerifyToString.contains(methodNameToRefer)) { 119 msg = String.format("String representation \"%s\" of the object" 120 + " returned by lookupMethodInPool method" 121 + " for index %d does not contain a method's class name" 122 + " or method's name, should contain %s.%s", 123 methodToVerifyToString, 124 index, 125 classNameToRefer, 126 methodNameToRefer); 127 throw new AssertionError(msg); 128 } 129 } 130 } 131 }