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
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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
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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 * @build Hello
34 * @build jdk.test.whitebox.WhiteBox
35 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar hello.jar Hello
36 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
37 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DynamicArchiveRelocationTest
38 */
39
40 import jdk.test.lib.process.OutputAnalyzer;
41 import jdk.test.lib.helpers.ClassFileInstaller;
42 import jtreg.SkippedException;
43
44 public class DynamicArchiveRelocationTest extends DynamicArchiveTestBase {
45 public static void main(String... args) throws Exception {
46 try {
47 testOuter();
48 } catch (SkippedException s) {
49 s.printStackTrace();
50 throw new RuntimeException("Archive mapping should always succeed after JDK-8231610 (did the machine run out of memory?)");
51 }
52 }
53
54 static void testOuter() throws Exception {
55 testInner(true, false);
56 testInner(false, true);
57 testInner(true, true);
58 }
59
60 static boolean dump_top_reloc, run_reloc;
61
62 // dump_top_reloc - force relocation of archive when dumping top archive
63 // run_reloc - force relocation of archive when running
64 static void testInner(boolean dump_top_reloc, boolean run_reloc) throws Exception {
65 DynamicArchiveRelocationTest.dump_top_reloc = dump_top_reloc;
66 DynamicArchiveRelocationTest.run_reloc = run_reloc;
67
68 runTest(DynamicArchiveRelocationTest::doTest);
69 }
70
71 static int caseCount = 0;
72 static void doTest() throws Exception {
73 caseCount += 1;
74 System.out.println("============================================================");
75 System.out.println("case = " + caseCount
76 + ", top_reloc = " + dump_top_reloc
77 + ", run = " + run_reloc);
78 System.out.println("============================================================");
79
80 String appJar = ClassFileInstaller.getJarPath("hello.jar");
81 String mainClass = "Hello";
82 String maybeRelocation = "-XX:ArchiveRelocationMode=0";
83 String alwaysRelocation = "-XX:ArchiveRelocationMode=1";
84 String dumpTopRelocArg = dump_top_reloc ? alwaysRelocation : maybeRelocation;
85 String runRelocArg = run_reloc ? alwaysRelocation : maybeRelocation;
86 String logArg = "-Xlog:cds=debug,cds+reloc=debug";
87
88 String baseArchiveName = getNewArchiveName("base");
89 String topArchiveName = getNewArchiveName("top");
90
91 String runtimeMsg = "Try to map archive(s) at an alternative address";
92 String unlockArg = "-XX:+UnlockDiagnosticVMOptions";
93 String relocationModeMsg = "ArchiveRelocationMode: 0";
94
95 // (1) Dump base archive (static)
96
97 TestCommon.dumpBaseArchive(baseArchiveName, unlockArg, logArg)
98 .shouldContain("Relocating archive from");
99
100 // (2) Dump top archive (dynamic)
101
102 dump2(baseArchiveName, topArchiveName,
103 unlockArg,
104 dumpTopRelocArg,
105 logArg,
106 "-cp", appJar, mainClass)
107 .assertNormalExit(output -> {
108 if (dump_top_reloc) {
109 output.shouldContain(runtimeMsg);
110 } else {
111 output.shouldContain(relocationModeMsg);
112 }
113 });
114
115 run2(baseArchiveName, topArchiveName,
116 unlockArg,
117 runRelocArg,
118 logArg,
119 "-cp", appJar, mainClass)
120 .assertNormalExit(output -> {
121 if (run_reloc) {
122 output.shouldContain(runtimeMsg);
123 } else {
124 output.shouldContain(relocationModeMsg);
125 }
126 });
127 }
128 }