1 /* 2 * Copyright (c) 2015, 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 * @bug 8136421 27 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 28 * @library /testlibrary /test/lib / 29 * @compile ../common/CompilerToVMHelper.java 30 * @build sun.hotspot.WhiteBox 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox 32 * sun.hotspot.WhiteBox$WhiteBoxPermission 33 * jdk.vm.ci.hotspot.CompilerToVMHelper 34 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 35 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. 36 * -XX:-BackgroundCompilation 37 * compiler.jvmci.compilerToVM.AllocateCompileIdTest 38 */ 39 40 package compiler.jvmci.compilerToVM; 41 42 import compiler.jvmci.common.CTVMUtilities; 43 44 import java.lang.reflect.Executable; 45 import java.lang.reflect.Method; 46 import java.util.ArrayList; 47 import java.util.List; 48 import java.util.HashSet; 49 import java.util.stream.Collectors; 50 import java.util.stream.Stream; 51 52 import jdk.vm.ci.hotspot.CompilerToVMHelper; 53 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 54 import jdk.test.lib.Asserts; 55 import jdk.test.lib.Pair; 56 import jdk.test.lib.Utils; 57 import sun.hotspot.code.NMethod; 58 59 public class AllocateCompileIdTest { 60 61 private static final int SOME_REPEAT_VALUE = 5; 62 private final HashSet<Integer> ids = new HashSet<>(); 63 64 public static void main(String[] args) { 65 AllocateCompileIdTest test = new AllocateCompileIdTest(); 66 createTestCasesCorrectBci().forEach(test::runSanityCorrectTest); 67 createTestCasesIncorrectBci().forEach(test::runSanityIncorrectTest); 68 } 69 70 private static List<CompileCodeTestCase> createTestCasesCorrectBci() { 71 List<CompileCodeTestCase> result = new ArrayList<>(); 72 try { 73 Class<?> aClass = DummyClass.class; 74 Method method = aClass.getMethod("withLoop"); 75 Object receiver = new DummyClass(); 76 result.add(new CompileCodeTestCase(receiver, method, 17)); 77 result.add(new CompileCodeTestCase(receiver, method, -1)); 78 } catch (NoSuchMethodException e) { 79 throw new Error("TEST BUG : " + e, e); 80 } 81 return result; 82 } 83 84 private static List<Pair<CompileCodeTestCase, Class<? extends Throwable>>> 85 createTestCasesIncorrectBci() { 86 List<Pair<CompileCodeTestCase, Class<? extends Throwable>>> result 87 = new ArrayList<>(); 88 try { 89 Class<?> aClass = DummyClass.class; 90 Object receiver = new DummyClass(); 91 Method method = aClass.getMethod("dummyInstanceFunction"); 92 // greater than bytecode.length 93 byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities 94 .getResolvedMethod(method)); 95 Stream.of( 96 // greater than bytecode.length 97 bytecode.length + 4, 98 bytecode.length + 50, 99 bytecode.length + 200, 100 // negative cases 101 -4, -50, -200) 102 .map(bci -> new Pair<CompileCodeTestCase, 103 Class<? extends Throwable>>( 104 new CompileCodeTestCase(receiver, method, bci), 105 IllegalArgumentException.class)) 106 .collect(Collectors.toList()); 107 } catch (NoSuchMethodException e) { 108 throw new Error("TEST BUG : " + e.getMessage(), e); 109 } 110 return result; 111 } 112 113 private void runSanityCorrectTest(CompileCodeTestCase testCase) { 114 System.out.println(testCase); 115 Executable aMethod = testCase.executable; 116 // to generate ciTypeFlow 117 testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes())); 118 int bci = testCase.bci; 119 HotSpotResolvedJavaMethod method = CTVMUtilities 120 .getResolvedMethod(aMethod); 121 for (int i = 0; i < SOME_REPEAT_VALUE; ++i) { 122 int wbCompileID = getWBCompileID(testCase); 123 int id = CompilerToVMHelper.allocateCompileId(method, bci); 124 Asserts.assertNE(id, 0, testCase + " : zero compile id"); 125 Asserts.assertGT(id, wbCompileID, testCase 126 + " : allocated 'compile id' not greater than existed"); 127 Asserts.assertTrue(ids.add(wbCompileID), testCase 128 + " : vm compilation allocated existing id " + id); 129 Asserts.assertTrue(ids.add(id), testCase 130 + " : allocateCompileId returned existing id " + id); 131 } 132 } 133 134 private void runSanityIncorrectTest( 135 Pair<CompileCodeTestCase, Class<? extends Throwable>> testCase) { 136 System.out.println(testCase); 137 Class<? extends Throwable> exception = testCase.second; 138 Executable aMethod = testCase.first.executable; 139 int bci = testCase.first.bci; 140 HotSpotResolvedJavaMethod method = CTVMUtilities 141 .getResolvedMethod(aMethod); 142 Utils.runAndCheckException( 143 () -> CompilerToVMHelper.allocateCompileId(method, bci), 144 exception); 145 } 146 147 private int getWBCompileID(CompileCodeTestCase testCase) { 148 NMethod nm = testCase.deoptimizeAndCompile(); 149 if (nm == null || nm.compile_id <= 0) { 150 throw new Error("TEST BUG : cannot compile method " + testCase); 151 } 152 return nm.compile_id; 153 } 154 }