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 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" 27 * @compile CodeInstallerTest.java 28 * @run junit/othervm -da:jdk.vm.ci... -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI compiler.jvmci.errors.TestInvalidOopMap 29 */ 30 31 package compiler.jvmci.errors; 32 33 import static jdk.vm.ci.code.CompilationResult.Infopoint; 34 35 import jdk.vm.ci.code.BytecodePosition; 36 import jdk.vm.ci.code.CompilationResult; 37 import jdk.vm.ci.code.DebugInfo; 38 import jdk.vm.ci.code.InfopointReason; 39 import jdk.vm.ci.code.Location; 40 import jdk.vm.ci.code.ReferenceMap; 41 import jdk.vm.ci.code.Register; 42 import jdk.vm.ci.hotspot.HotSpotReferenceMap; 43 import jdk.vm.ci.hotspot.HotSpotVMConfig; 44 import jdk.vm.ci.meta.JavaKind; 45 import jdk.vm.ci.meta.LIRKind; 46 import jdk.vm.ci.meta.PlatformKind; 47 import jdk.vm.ci.common.JVMCIError; 48 49 import org.junit.Test; 50 51 /** 52 * Tests for errors in oop maps. 53 */ 54 public class TestInvalidOopMap extends CodeInstallerTest { 55 56 private static class InvalidReferenceMap extends ReferenceMap { 57 } 58 59 private void test(ReferenceMap refMap) { 60 BytecodePosition pos = new BytecodePosition(null, dummyMethod, 0); 61 DebugInfo info = new DebugInfo(pos); 62 info.setReferenceMap(refMap); 63 64 CompilationResult result = createEmptyCompilationResult(); 65 result.addInfopoint(new Infopoint(0, info, InfopointReason.SAFEPOINT)); 66 installCode(result); 67 } 68 69 @Test(expected = NullPointerException.class) 70 public void testMissingReferenceMap() { 71 test(null); 72 } 73 74 @Test(expected = JVMCIError.class) 75 public void testInvalidReferenceMap() { 76 test(new InvalidReferenceMap()); 77 } 78 79 @Test(expected = NullPointerException.class) 80 public void testNullOops() { 81 test(new HotSpotReferenceMap(null, new Location[0], new int[0], 8)); 82 } 83 84 @Test(expected = NullPointerException.class) 85 public void testNullBase() { 86 test(new HotSpotReferenceMap(new Location[0], null, new int[0], 8)); 87 } 88 89 @Test(expected = NullPointerException.class) 90 public void testNullSize() { 91 test(new HotSpotReferenceMap(new Location[0], new Location[0], null, 8)); 92 } 93 94 @Test(expected = JVMCIError.class) 95 public void testInvalidLength() { 96 test(new HotSpotReferenceMap(new Location[1], new Location[2], new int[3], 8)); 97 } 98 99 @Test(expected = JVMCIError.class) 100 public void testInvalidShortOop() { 101 PlatformKind kind = arch.getPlatformKind(JavaKind.Short); 102 Register reg = getRegister(kind, 0); 103 104 Location[] oops = new Location[]{Location.register(reg)}; 105 Location[] base = new Location[]{null}; 106 int[] size = new int[]{kind.getSizeInBytes()}; 107 108 test(new HotSpotReferenceMap(oops, base, size, 8)); 109 } 110 111 @Test(expected = JVMCIError.class) 112 public void testInvalidNarrowDerivedOop() { 113 if (!HotSpotVMConfig.config().useCompressedOops) { 114 throw new JVMCIError("skipping test"); 115 } 116 117 PlatformKind kind = arch.getPlatformKind(JavaKind.Int); 118 Register reg = getRegister(kind, 0); 119 Register baseReg = getRegister(arch.getPlatformKind(JavaKind.Object), 1); 120 121 Location[] oops = new Location[]{Location.register(reg)}; 122 Location[] base = new Location[]{Location.register(baseReg)}; 123 int[] size = new int[]{kind.getSizeInBytes()}; 124 125 test(new HotSpotReferenceMap(oops, base, size, 8)); 126 } 127 }