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.simpleArch == "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 jdk.vm.ci.code.BytecodePosition; 34 import jdk.vm.ci.code.DebugInfo; 35 import jdk.vm.ci.code.Location; 36 import jdk.vm.ci.code.ReferenceMap; 37 import jdk.vm.ci.code.Register; 38 import jdk.vm.ci.code.StackSlot; 39 import jdk.vm.ci.code.site.DataPatch; 40 import jdk.vm.ci.code.site.Infopoint; 41 import jdk.vm.ci.code.site.InfopointReason; 42 import jdk.vm.ci.code.site.Site; 43 import jdk.vm.ci.common.JVMCIError; 44 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment; 45 import jdk.vm.ci.hotspot.HotSpotReferenceMap; 46 import jdk.vm.ci.hotspot.HotSpotVMConfig; 47 import jdk.vm.ci.meta.Assumptions.Assumption; 48 import jdk.vm.ci.meta.JavaKind; 49 import jdk.vm.ci.meta.PlatformKind; 50 51 import org.junit.Test; 52 53 /** 54 * Tests for errors in oop maps. 55 */ 56 public class TestInvalidOopMap extends CodeInstallerTest { 57 58 private static class InvalidReferenceMap extends ReferenceMap { 59 } 60 61 private void test(ReferenceMap refMap) { 62 BytecodePosition pos = new BytecodePosition(null, dummyMethod, 0); 63 DebugInfo info = new DebugInfo(pos); 64 info.setReferenceMap(refMap); 65 installEmptyCode(new Site[]{new Infopoint(0, info, InfopointReason.SAFEPOINT)}, new Assumption[0], new Comment[0], 16, new DataPatch[0], StackSlot.get(null, 0, true)); 66 } 67 68 @Test(expected = NullPointerException.class) 69 public void testMissingReferenceMap() { 70 test(null); 71 } 72 73 @Test(expected = JVMCIError.class) 74 public void testInvalidReferenceMap() { 75 test(new InvalidReferenceMap()); 76 } 77 78 @Test(expected = NullPointerException.class) 79 public void testNullOops() { 80 test(new HotSpotReferenceMap(null, new Location[0], new int[0], 8)); 81 } 82 83 @Test(expected = NullPointerException.class) 84 public void testNullBase() { 85 test(new HotSpotReferenceMap(new Location[0], null, new int[0], 8)); 86 } 87 88 @Test(expected = NullPointerException.class) 89 public void testNullSize() { 90 test(new HotSpotReferenceMap(new Location[0], new Location[0], null, 8)); 91 } 92 93 @Test(expected = JVMCIError.class) 94 public void testInvalidLength() { 95 test(new HotSpotReferenceMap(new Location[1], new Location[2], new int[3], 8)); 96 } 97 98 @Test(expected = JVMCIError.class) 99 public void testInvalidShortOop() { 100 PlatformKind kind = arch.getPlatformKind(JavaKind.Short); 101 Register reg = getRegister(kind, 0); 102 103 Location[] oops = new Location[]{Location.register(reg)}; 104 Location[] base = new Location[]{null}; 105 int[] size = new int[]{kind.getSizeInBytes()}; 106 107 test(new HotSpotReferenceMap(oops, base, size, 8)); 108 } 109 110 @Test(expected = JVMCIError.class) 111 public void testInvalidNarrowDerivedOop() { 112 if (!HotSpotVMConfig.config().useCompressedOops) { 113 throw new JVMCIError("skipping test"); 114 } 115 116 PlatformKind kind = arch.getPlatformKind(JavaKind.Int); 117 Register reg = getRegister(kind, 0); 118 Register baseReg = getRegister(arch.getPlatformKind(JavaKind.Object), 1); 119 120 Location[] oops = new Location[]{Location.register(reg)}; 121 Location[] base = new Location[]{Location.register(baseReg)}; 122 int[] size = new int[]{kind.getSizeInBytes()}; 123 124 test(new HotSpotReferenceMap(oops, base, size, 8)); 125 } 126 }