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.simpleArch == "x64" | vm.simpleArch == "sparcv9") & os.arch != "aarch64"
27 * @library /
28 * @modules jdk.vm.ci/jdk.vm.ci.hotspot
29 * jdk.vm.ci/jdk.vm.ci.meta
30 * jdk.vm.ci/jdk.vm.ci.code
31 * jdk.vm.ci/jdk.vm.ci.code.site
32 * jdk.vm.ci/jdk.vm.ci.runtime
33 * jdk.vm.ci/jdk.vm.ci.amd64
34 * jdk.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 org.junit.Assume;
42 import org.junit.Test;
43
44 import jdk.vm.ci.code.Register;
45 import jdk.vm.ci.code.site.DataSectionReference;
46 import jdk.vm.ci.hotspot.HotSpotConstant;
47 import jdk.vm.ci.meta.ResolvedJavaType;
48
49 /**
50 * Test code installation with data patches.
51 */
52 public class DataPatchTest extends CodeInstallationTest {
53
54 public static Class<?> getConstClass() {
55 return DataPatchTest.class;
56 }
57
58 private void test(TestCompiler compiler) {
59 test(compiler, getMethod("getConstClass"));
60 }
61
62 @Test
63 public void testInlineObject() {
64 test(asm -> {
65 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
66 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
67 Register ret = asm.emitLoadPointer(c);
68 asm.emitPointerRet(ret);
69 });
70 }
71
72 @Test
73 public void testInlineNarrowObject() {
74 Assume.assumeTrue(config.useCompressedOops);
75 test(asm -> {
76 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
77 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
78 Register compressed = asm.emitLoadPointer((HotSpotConstant) c.compress());
79 Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift);
80 asm.emitPointerRet(ret);
81 });
82 }
83
84 @Test
85 public void testDataSectionReference() {
86 test(asm -> {
87 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
88 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
89 DataSectionReference ref = asm.emitDataItem(c);
90 Register ret = asm.emitLoadPointer(ref);
91 asm.emitPointerRet(ret);
92 });
93 }
94
95 @Test
96 public void testNarrowDataSectionReference() {
97 Assume.assumeTrue(config.useCompressedOops);
98 test(asm -> {
99 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
100 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
101 HotSpotConstant cCompressed = (HotSpotConstant) c.compress();
102 DataSectionReference ref = asm.emitDataItem(cCompressed);
103 Register compressed = asm.emitLoadNarrowPointer(ref);
104 Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift);
105 asm.emitPointerRet(ret);
106 });
107 }
108
109 @Test
110 public void testInlineMetadata() {
111 test(asm -> {
112 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
113 Register klass = asm.emitLoadPointer((HotSpotConstant) constantReflection.asObjectHub(type));
114 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
115 asm.emitPointerRet(ret);
116 });
117 }
118
119 @Test
120 public void testInlineNarrowMetadata() {
121 Assume.assumeTrue(config.useCompressedClassPointers);
122 test(asm -> {
123 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
124 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
125 Register narrowKlass = asm.emitLoadPointer((HotSpotConstant) hub.compress());
126 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
127 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
128 asm.emitPointerRet(ret);
129 });
130 }
131
132 @Test
133 public void testMetadataInDataSection() {
134 test(asm -> {
135 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
136 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
137 DataSectionReference ref = asm.emitDataItem(hub);
138 Register klass = asm.emitLoadPointer(ref);
139 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
140 asm.emitPointerRet(ret);
141 });
142 }
143
144 @Test
145 public void testNarrowMetadataInDataSection() {
146 Assume.assumeTrue(config.useCompressedClassPointers);
147 test(asm -> {
148 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
149 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
150 HotSpotConstant narrowHub = (HotSpotConstant) hub.compress();
151 DataSectionReference ref = asm.emitDataItem(narrowHub);
152 Register narrowKlass = asm.emitLoadNarrowPointer(ref);
153 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
154 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
155 asm.emitPointerRet(ret);
156 });
157 }
158 }