1 /*
2 * Copyright (c) 2019, 2025, 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.
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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.
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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.
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23 */
24
25 /**
26 * @test
27 * @comment the test uses -XX:ArchiveRelocationMode=1 to force relocation.
28 * @requires vm.cds
29 * @summary Testing relocation of dynamic CDS archive (during both dump time and run time)
30 * @comment JDK-8231610 Relocate the CDS archive if it cannot be mapped to the requested address
31 * @bug 8231610
32 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
33 * @enablePreview
34 * @modules java.base/jdk.internal.value
35 * java.base/jdk.internal.vm.annotation
36 * @compile ../test-classes/HelloInlineClassApp.java ../test-classes/HelloRelocation.java
37 * @build jdk.test.whitebox.WhiteBox
38 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar hello.jar HelloRelocation HelloInlineClassApp HelloInlineClassApp$Point HelloInlineClassApp$Rectangle HelloInlineClassApp$ValueRecord
39 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
40 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DynamicArchiveRelocationTest
41 */
42
43 import jdk.test.lib.process.OutputAnalyzer;
44 import jdk.test.lib.helpers.ClassFileInstaller;
45 import jtreg.SkippedException;
46
47 public class DynamicArchiveRelocationTest extends DynamicArchiveTestBase {
48 public static void main(String... args) throws Exception {
49 try {
50 testOuter();
51 } catch (SkippedException s) {
52 s.printStackTrace();
53 throw new RuntimeException("Archive mapping should always succeed after JDK-8231610 (did the machine run out of memory?)");
54 }
55 }
56
57 static void testOuter() throws Exception {
58 testInner(true, false);
59 testInner(false, true);
60 testInner(true, true);
61 }
62
63 static boolean dump_top_reloc, run_reloc;
64
65 // dump_top_reloc - force relocation of archive when dumping top archive
66 // run_reloc - force relocation of archive when running
67 static void testInner(boolean dump_top_reloc, boolean run_reloc) throws Exception {
68 DynamicArchiveRelocationTest.dump_top_reloc = dump_top_reloc;
69 DynamicArchiveRelocationTest.run_reloc = run_reloc;
70
71 runTest(DynamicArchiveRelocationTest::doTest);
72 }
73
74 static int caseCount = 0;
75 static void doTest() throws Exception {
76 caseCount += 1;
77 System.out.println("============================================================");
78 System.out.println("case = " + caseCount
79 + ", top_reloc = " + dump_top_reloc
80 + ", run = " + run_reloc);
81 System.out.println("============================================================");
82
83 String appJar = ClassFileInstaller.getJarPath("hello.jar");
84 String mainClass = "HelloRelocation";
85 String maybeRelocation = "-XX:ArchiveRelocationMode=0";
86 String alwaysRelocation = "-XX:ArchiveRelocationMode=1";
87 String dumpTopRelocArg = dump_top_reloc ? alwaysRelocation : maybeRelocation;
88 String runRelocArg = run_reloc ? alwaysRelocation : maybeRelocation;
89 String logArg = "-Xlog:cds=debug,cds+reloc=debug";
90
91 String baseArchiveName = getNewArchiveName("base");
92 String topArchiveName = getNewArchiveName("top");
93
94 String runtimeMsg = "Try to map archive(s) at an alternative address";
95 String unlockArg = "-XX:+UnlockDiagnosticVMOptions";
96 String relocationModeMsg = "ArchiveRelocationMode: 0";
97
98 // (1) Dump base archive (static)
99
100 TestCommon.dumpBaseArchive(baseArchiveName, "--enable-preview", unlockArg, logArg)
101 .shouldContain("Relocating archive from");
102
103 // (2) Dump top archive (dynamic)
104
105 dump2(baseArchiveName, topArchiveName,
106 "--enable-preview",
107 unlockArg,
108 dumpTopRelocArg,
109 logArg,
110 "-cp", appJar, mainClass)
111 .assertNormalExit(output -> {
112 if (dump_top_reloc) {
113 output.shouldContain(runtimeMsg);
114 } else {
115 output.shouldContain(relocationModeMsg);
116 }
117 });
118
119 run2(baseArchiveName, topArchiveName,
120 "--enable-preview",
121 unlockArg,
122 runRelocArg,
123 logArg,
124 "-cp", appJar, mainClass)
125 .assertNormalExit(output -> {
126 if (run_reloc) {
127 output.shouldContain(runtimeMsg);
128 } else {
129 output.shouldContain(relocationModeMsg);
130 }
131 });
132 }
133 }