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 }