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 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 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
53 public static Class<?> getConstClass() {
54 return DataPatchTest.class;
55 }
56
57 private void test(TestCompiler compiler) {
58 test(compiler, getMethod("getConstClass"));
59 }
60
61 @Test
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
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
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
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
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(klass, config.classMirrorOffset);
114 asm.emitPointerRet(ret);
115 });
116 }
117
118 @Test
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(klass, config.classMirrorOffset);
127 asm.emitPointerRet(ret);
128 });
129 }
130
131 @Test
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(klass, config.classMirrorOffset);
139 asm.emitPointerRet(ret);
140 });
141 }
142
143 @Test
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(klass, config.classMirrorOffset);
154 asm.emitPointerRet(ret);
155 });
156 }
157 }