1 /* 2 * Copyright (c) 2015, 2019, 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 vm.jvmci & (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9") 27 * @library / 28 * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot 29 * jdk.internal.vm.ci/jdk.vm.ci.meta 30 * jdk.internal.vm.ci/jdk.vm.ci.code 31 * jdk.internal.vm.ci/jdk.vm.ci.code.site 32 * jdk.internal.vm.ci/jdk.vm.ci.runtime 33 * jdk.internal.vm.ci/jdk.vm.ci.amd64 34 * jdk.internal.vm.ci/jdk.vm.ci.sparc 35 * @compile CodeInstallationTest.java DebugInfoTest.java TestAssembler.java TestHotSpotVMConfig.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java 36 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler jdk.vm.ci.code.test.DataPatchTest 37 */ 38 39 package jdk.vm.ci.code.test; 40 41 import jdk.vm.ci.code.Register; 42 import jdk.vm.ci.code.site.DataSectionReference; 43 import jdk.vm.ci.hotspot.HotSpotConstant; 44 import jdk.vm.ci.meta.ResolvedJavaType; 45 import org.junit.Assume; 46 import org.junit.Test; 47 48 /** 49 * Test code installation with data patches. 50 */ 51 public class DataPatchTest extends CodeInstallationTest { 52 getConstClass()53 public static Class<?> getConstClass() { 54 return DataPatchTest.class; 55 } 56 test(TestCompiler compiler)57 private void test(TestCompiler compiler) { 58 test(compiler, getMethod("getConstClass")); 59 } 60 61 @Test testInlineObject()62 public void testInlineObject() { 63 test(asm -> { 64 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 65 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); 66 Register ret = asm.emitLoadPointer(c); 67 asm.emitPointerRet(ret); 68 }); 69 } 70 71 @Test testInlineNarrowObject()72 public void testInlineNarrowObject() { 73 Assume.assumeTrue(config.useCompressedOops); 74 test(asm -> { 75 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 76 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); 77 Register compressed = asm.emitLoadPointer((HotSpotConstant) c.compress()); 78 Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift); 79 asm.emitPointerRet(ret); 80 }); 81 } 82 83 @Test testDataSectionReference()84 public void testDataSectionReference() { 85 test(asm -> { 86 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 87 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); 88 DataSectionReference ref = asm.emitDataItem(c); 89 Register ret = asm.emitLoadPointer(ref); 90 asm.emitPointerRet(ret); 91 }); 92 } 93 94 @Test testNarrowDataSectionReference()95 public void testNarrowDataSectionReference() { 96 Assume.assumeTrue(config.useCompressedOops); 97 test(asm -> { 98 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 99 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); 100 HotSpotConstant cCompressed = (HotSpotConstant) c.compress(); 101 DataSectionReference ref = asm.emitDataItem(cCompressed); 102 Register compressed = asm.emitLoadNarrowPointer(ref); 103 Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift); 104 asm.emitPointerRet(ret); 105 }); 106 } 107 108 @Test testInlineMetadata()109 public void testInlineMetadata() { 110 test(asm -> { 111 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 112 Register klass = asm.emitLoadPointer((HotSpotConstant) constantReflection.asObjectHub(type)); 113 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0); 114 asm.emitPointerRet(ret); 115 }); 116 } 117 118 @Test testInlineNarrowMetadata()119 public void testInlineNarrowMetadata() { 120 Assume.assumeTrue(config.useCompressedClassPointers); 121 test(asm -> { 122 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 123 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type); 124 Register narrowKlass = asm.emitLoadPointer((HotSpotConstant) hub.compress()); 125 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift); 126 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0); 127 asm.emitPointerRet(ret); 128 }); 129 } 130 131 @Test testMetadataInDataSection()132 public void testMetadataInDataSection() { 133 test(asm -> { 134 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 135 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type); 136 DataSectionReference ref = asm.emitDataItem(hub); 137 Register klass = asm.emitLoadPointer(ref); 138 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0); 139 asm.emitPointerRet(ret); 140 }); 141 } 142 143 @Test testNarrowMetadataInDataSection()144 public void testNarrowMetadataInDataSection() { 145 Assume.assumeTrue(config.useCompressedClassPointers); 146 test(asm -> { 147 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); 148 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type); 149 HotSpotConstant narrowHub = (HotSpotConstant) hub.compress(); 150 DataSectionReference ref = asm.emitDataItem(narrowHub); 151 Register narrowKlass = asm.emitLoadNarrowPointer(ref); 152 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift); 153 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0); 154 asm.emitPointerRet(ret); 155 }); 156 } 157 } 158