/* * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /* * @test * @summary Test how the dynamic archive handles -XX:SharedBaseAddress * @requires vm.cds * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes * @build Hello * @run driver ClassFileInstaller -jar hello.jar Hello * @run driver SharedBaseAddressOption */ import jdk.test.lib.Platform; public class SharedBaseAddressOption extends DynamicArchiveTestBase { static String appJar = ClassFileInstaller.getJarPath("hello.jar"); static String mainClass = "Hello"; public static void main(String[] args) throws Exception { runTest(SharedBaseAddressOption::testCustomBase); } static void testCustomBase() throws Exception { // (1) -XX:SharedBaseAddress=0 -- the archives will always be relocated at runtime doTest("0"); // (2) -XX:SharedBaseAddress=0x810000000 if (Platform.is64bit()) { doTest("0x810000000"); } // (3) -XX:SharedBaseAddress that's so high that the archive may wrap around 64-bit if (Platform.is64bit()) { doTest("0xffffffffff000000"); } } static void doTest(String sharedBase) throws Exception { String topArchiveName = getNewArchiveName("top"); String baseArchiveName = getNewArchiveName("base"); dumpBaseArchive(topArchiveName, "-XX:SharedBaseAddress=" + sharedBase, "-Xlog:cds=debug", "-Xlog:cds+reloc=debug", "-Xlog:cds+dynamic=debug"); dump2(topArchiveName, baseArchiveName, "-Xlog:cds=debug", "-Xlog:cds+reloc=debug", "-Xlog:cds+dynamic=debug", "-cp", appJar, mainClass) .assertNormalExit(); // a top archive specified in the base archive position run2(topArchiveName, baseArchiveName, "-Xlog:cds=debug", "-Xlog:cds+reloc=debug", "-Xlog:cds+dynamic=debug", "-cp", appJar, mainClass) .assertNormalExit(); } }