1 /*

     2  * Copyright (c) 2019, 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  * @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 ClassFileInstaller -jar hello.jar Hello

    34  * @run driver ArchiveRelocationTest

    35  */

    36 

    37 import jdk.test.lib.process.OutputAnalyzer;

    38 import jtreg.SkippedException;

    39 

    40 public class ArchiveRelocationTest {

    41     public static void main(String... args) throws Exception {

    42         try {

    43             test(true,  false);

    44             test(false, true);

    45             test(true,  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     // dump_reloc - force relocation of archive during dump time?

    55     // run_reloc  - force relocation of archive during run time?

    56     static void test(boolean dump_reloc, boolean run_reloc) throws Exception {

    57         caseCount += 1;

    58         System.out.println("============================================================");

    59         System.out.println("case = " + caseCount + ", dump = " + dump_reloc

    60                            + ", run = " + run_reloc);

    61         System.out.println("============================================================");

    62 

    63 

    64         String appJar = ClassFileInstaller.getJarPath("hello.jar");

    65         String mainClass = "Hello";

    66         String forceRelocation = "-XX:ArchiveRelocationMode=1";

    67         String dumpRelocArg = dump_reloc ? forceRelocation : "-showversion";

    68         String runRelocArg  = run_reloc  ? forceRelocation : "-showversion";

    69         String logArg = "-Xlog:cds=debug,cds+reloc=debug";

    70         String unlockArg = "-XX:+UnlockDiagnosticVMOptions";

    71 

    72         OutputAnalyzer out = TestCommon.dump(appJar,

    73                                              TestCommon.list(mainClass),

    74                                              unlockArg, dumpRelocArg, logArg);

    75         if (dump_reloc) {

    76             out.shouldContain("ArchiveRelocationMode == 1: always allocate class space at an alternative address");

    77             out.shouldContain("Relocating archive from");

    78         }

    79 

    80         TestCommon.run("-cp", appJar, unlockArg, runRelocArg, logArg,  mainClass)

    81             .assertNormalExit(output -> {

    82                     if (run_reloc) {

    83                         output.shouldContain("ArchiveRelocationMode == 1: always map archive(s) at an alternative address");

    84                         output.shouldContain("runtime archive relocation start");

    85                         output.shouldContain("runtime archive relocation done");

    86                     }

    87                 });

    88     }

    89 }