1 /*
2 * Copyright (c) 2019, 2022, 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.
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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 * @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 forceRelocation = "-XX:ArchiveRelocationMode=1";
83 String dumpTopRelocArg = dump_top_reloc ? forceRelocation : "-showversion";
84 String runRelocArg = run_reloc ? forceRelocation : "-showversion";
85 String logArg = "-Xlog:cds=debug,cds+reloc=debug";
86
87 String baseArchiveName = getNewArchiveName("base");
88 String topArchiveName = getNewArchiveName("top");
89
90 String runtimeMsg = "Try to map archive(s) at an alternative address";
91 String unlockArg = "-XX:+UnlockDiagnosticVMOptions";
92
93 // (1) Dump base archive (static)
94
95 TestCommon.dumpBaseArchive(baseArchiveName, unlockArg, logArg)
96 .shouldContain("Relocating archive from");
97
98 // (2) Dump top archive (dynamic)
99
100 dump2(baseArchiveName, topArchiveName,
101 unlockArg,
102 dumpTopRelocArg,
103 logArg,
104 "-cp", appJar, mainClass)
105 .assertNormalExit(output -> {
106 if (dump_top_reloc) {
107 output.shouldContain(runtimeMsg);
108 }
109 });
110
111 run2(baseArchiveName, topArchiveName,
112 unlockArg,
113 runRelocArg,
114 logArg,
115 "-cp", appJar, mainClass)
116 .assertNormalExit(output -> {
117 if (run_reloc) {
118 output.shouldContain(runtimeMsg);
119 }
120 });
121 }
122 }