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