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:SharedBaseAddress=0 to force relocation.
28 * This is supported only in debug VMs.
29 * @requires vm.cds & vm.debug
30 * @summary Testing relocation of dynamic CDS archive (during both dump time and run time)
31 * @comment JDK-8231610 Relocate the CDS archive if it cannot be mapped to the requested address
32 * @bug 8231610
33 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
34 * @build Hello
35 * @run driver ClassFileInstaller -jar hello.jar Hello
36 * @run driver DynamicArchiveRelocationTest
37 */
38
39 import jdk.test.lib.process.OutputAnalyzer;
40 import jtreg.SkippedException;
41
42 public class DynamicArchiveRelocationTest extends DynamicArchiveTestBase {
43 public static void main(String... args) throws Exception {
44 try {
45 testOuter(false);
46 testOuter(true);
47 } catch (SkippedException s) {
48 s.printStackTrace();
49 throw new RuntimeException("Archive mapping should always succeed after JDK-8231610 (did the machine run out of memory?)");
50 }
51 }
52
53 static void testOuter(boolean dump_base_reloc) throws Exception {
54 testInner(dump_base_reloc, true, false);
55 testInner(dump_base_reloc, false, true);
56 testInner(dump_base_reloc, true, true);
57 }
58
59 static boolean dump_base_reloc, dump_top_reloc, run_reloc;
60
61 // dump_base_reloc - force relocation of archive when dumping base archive
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_base_reloc, boolean dump_top_reloc, boolean run_reloc) throws Exception {
65 DynamicArchiveRelocationTest.dump_base_reloc = dump_base_reloc;
66 DynamicArchiveRelocationTest.dump_top_reloc = dump_top_reloc;
67 DynamicArchiveRelocationTest.run_reloc = run_reloc;
68
69 runTest(DynamicArchiveRelocationTest::doTest);
70 }
71
72 static int caseCount = 0;
73 static void doTest() throws Exception {
74 caseCount += 1;
75 System.out.println("============================================================");
76 System.out.println("case = " + caseCount + ", base = " + dump_base_reloc
77 + ", top = " + dump_top_reloc
78 + ", run = " + run_reloc);
79 System.out.println("============================================================");
80
81 String appJar = ClassFileInstaller.getJarPath("hello.jar");
82 String mainClass = "Hello";
83 String forceRelocation = "-XX:SharedBaseAddress=0";
84 String dumpBaseRelocArg = dump_base_reloc ? forceRelocation : "-showversion";
85 String dumpTopRelocArg = dump_top_reloc ? forceRelocation : "-showversion";
86 String runRelocArg = run_reloc ? forceRelocation : "-showversion";
87 String logArg = "-Xlog:cds=debug,cds+reloc=debug";
88
89 String baseArchiveName = getNewArchiveName("base");
90 String topArchiveName = getNewArchiveName("top");
91
92 String runtimeMsg1 = "SharedBaseAddress == 0: always map archive(s) at an alternative address";
93 String runtimeMsg2 = "runtime archive relocation start";
94 String runtimeMsg3 = "runtime archive relocation done";
95
96 // (1) Dump base archive (static)
97
98 OutputAnalyzer out = dumpBaseArchive(baseArchiveName, dumpBaseRelocArg, logArg);
99 if (dump_base_reloc) {
100 out.shouldContain("SharedBaseAddress == 0: 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 dumpTopRelocArg,
108 logArg,
109 "-cp", appJar, mainClass)
110 .assertNormalExit(output -> {
111 if (dump_top_reloc) {
112 output.shouldContain(runtimeMsg1);
113 output.shouldContain(runtimeMsg2);
114 output.shouldContain(runtimeMsg3);
115 }
116 });
117
118 run2(baseArchiveName, topArchiveName,
119 runRelocArg,
120 logArg,
121 "-cp", appJar, mainClass)
122 .assertNormalExit(output -> {
123 if (run_reloc) {
124 output.shouldContain(runtimeMsg1);
125 output.shouldContain(runtimeMsg2);
126 output.shouldContain(runtimeMsg3);
127 }
128 });
129 }
130 }