142 lines
6.2 KiB
Java
142 lines
6.2 KiB
Java
/*
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* Copyright (c) 2019, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/**
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* @test
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* @comment the test uses -XX:ArchiveRelocationMode=1 to force relocation.
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* @requires vm.cds
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* @summary Testing relocation of dynamic CDS archive (during both dump time and run time)
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* @comment JDK-8231610 Relocate the CDS archive if it cannot be mapped to the requested address
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* @bug 8231610
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* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
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* @build Hello
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* @build sun.hotspot.WhiteBox
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* @run driver ClassFileInstaller -jar hello.jar Hello
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DynamicArchiveRelocationTest
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*/
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import jdk.test.lib.process.OutputAnalyzer;
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import jtreg.SkippedException;
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public class DynamicArchiveRelocationTest extends DynamicArchiveTestBase {
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public static void main(String... args) throws Exception {
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try {
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testOuter();
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} catch (SkippedException s) {
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s.printStackTrace();
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throw new RuntimeException("Archive mapping should always succeed after JDK-8231610 (did the machine run out of memory?)");
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}
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}
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static void testOuter() throws Exception {
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testInner(true, false);
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testInner(false, true);
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testInner(true, true);
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}
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static boolean dump_top_reloc, run_reloc;
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// dump_top_reloc - force relocation of archive when dumping top archive
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// run_reloc - force relocation of archive when running
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static void testInner(boolean dump_top_reloc, boolean run_reloc) throws Exception {
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DynamicArchiveRelocationTest.dump_top_reloc = dump_top_reloc;
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DynamicArchiveRelocationTest.run_reloc = run_reloc;
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runTest(DynamicArchiveRelocationTest::doTest);
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}
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static int caseCount = 0;
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static void doTest() throws Exception {
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caseCount += 1;
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System.out.println("============================================================");
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System.out.println("case = " + caseCount
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+ ", top_reloc = " + dump_top_reloc
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+ ", run = " + run_reloc);
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System.out.println("============================================================");
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String appJar = ClassFileInstaller.getJarPath("hello.jar");
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String mainClass = "Hello";
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String forceRelocation = "-XX:ArchiveRelocationMode=1";
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String dumpTopRelocArg = dump_top_reloc ? forceRelocation : "-showversion";
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String runRelocArg = run_reloc ? forceRelocation : "-showversion";
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String logArg = "-Xlog:cds=debug,cds+reloc=debug";
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String baseArchiveName = getNewArchiveName("base");
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String topArchiveName = getNewArchiveName("top");
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String runtimeMsg = "Try to map archive(s) at an alternative address";
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String runtimeRelocMsg = "runtime archive relocation start";
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String unmapPrefix = ".*Unmapping region #3 at base 0x.*";
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String unmapPattern = unmapPrefix + "(Bitmap)";
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String archiveRelocPattern = ".*ArchiveRelocationMode == 1.*";
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String unmapRgn1Pattern = ".*Unmapping region #1 at base 0x.*";
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String unmapRgn0Pattern = ".*Unmapping region #0 at base 0x.*(ReadWrite)";
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String unlockArg = "-XX:+UnlockDiagnosticVMOptions";
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// (1) Dump base archive (static)
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OutputAnalyzer out = TestCommon.dumpBaseArchive(baseArchiveName, unlockArg, logArg);
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out.shouldContain("Relocating archive from");
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// (2) Dump top archive (dynamic)
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dump2(baseArchiveName, topArchiveName,
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unlockArg,
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dumpTopRelocArg,
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logArg,
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"-cp", appJar, mainClass)
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.assertNormalExit(output -> {
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if (dump_top_reloc) {
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output.shouldContain(runtimeMsg);
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}
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});
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run2(baseArchiveName, topArchiveName,
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unlockArg,
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runRelocArg,
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logArg,
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"-cp", appJar, mainClass)
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.assertNormalExit(output -> {
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if (run_reloc) {
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output.shouldContain(runtimeMsg);
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try {
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output.shouldContain(runtimeRelocMsg)
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// Check that there are two of the following lines in
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// the output. One for static archive and one for
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// dynamic archive:
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// Unmapping region #3 at base 0x<hex digits> (Bitmap)
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.shouldMatchByLine(unmapPrefix, "Hello World", unmapPattern);
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} catch(java.lang.RuntimeException ex) {
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// On Windows, sometimes the OS picks the same archive
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// base address even with ArchiveRelcationMode=1. In
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// this case, runtime relocation won't happen. Checking
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// for "Unmapping region #0" messages instead.
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output.shouldMatchByLine(archiveRelocPattern, unmapRgn1Pattern, unmapRgn0Pattern);
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}
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}
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});
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}
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}
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