1 /*
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 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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23 
24 /**
25  * @test
26  * @comment the test uses -XX:ArchiveRelocationMode=1 to force relocation.
27  * @requires vm.cds
28  * @summary Testing relocation of CDS archive (during both dump time and run time)
29  * @comment JDK-8231610 Relocate the CDS archive if it cannot be mapped to the requested address
30  * @bug 8231610
31  * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds/test-classes
32  * @build Hello
33  * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar hello.jar Hello
34  * @run driver ArchiveRelocationTest
35  */
36 
37 import jdk.test.lib.process.OutputAnalyzer;
38 import jdk.test.lib.helpers.ClassFileInstaller;
39 import jtreg.SkippedException;
40 
41 public class ArchiveRelocationTest {
42     public static void main(String... args) throws Exception {
43         try {
44             test(false);
45             test(true);
46         } catch (SkippedException s) {
47             s.printStackTrace();
48             throw new RuntimeException("Archive mapping should always succeed after JDK-8231610 (did the machine run out of memory?)");
49         }
50     }
51 
52     static int caseCount = 0;
53 
54     // run_reloc  - force relocation of archive during run time?
55     // Note: relocation always happens during dumping.
56     static void test(boolean run_reloc) throws Exception {
57         caseCount += 1;
58         System.out.println("============================================================");
59         System.out.println("case = " + caseCount + ", run_reloc = " + run_reloc);
60         System.out.println("============================================================");
61 
62         String appJar = ClassFileInstaller.getJarPath("hello.jar");
63         String mainClass = "Hello";
64         String maybeRelocation = "-XX:ArchiveRelocationMode=0";
65         String alwaysRelocation = "-XX:ArchiveRelocationMode=1";
66         String runRelocArg  = run_reloc  ? alwaysRelocation : maybeRelocation;
67         String logArg = "-Xlog:cds=debug,cds+reloc=debug,cds+heap";
68         String unlockArg = "-XX:+UnlockDiagnosticVMOptions";
69         String nmtArg = "-XX:NativeMemoryTracking=detail";
70 
71         OutputAnalyzer out = TestCommon.dump(appJar,
72                 TestCommon.list(mainClass),
73                 unlockArg, logArg, nmtArg);
74         out.shouldContain("Relocating archive from");
75 
76         TestCommon.run("-cp", appJar, unlockArg, runRelocArg, logArg,  mainClass)
77                 .assertNormalExit(output -> {
78                     if (run_reloc) {
79                         output.shouldContain("ArchiveRelocationMode == 1: always map archive(s) at an alternative address")
80                               .shouldContain("Try to map archive(s) at an alternative address");
81                     } else {
82                         output.shouldContain("ArchiveRelocationMode: 0");
83                     }
84                 });
85     }
86 }