/* * Copyright (c) 2014, 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 SharedBaseAddress * @summary Test variety of values for SharedBaseAddress, making sure * VM handles normal values as well as edge values w/o a crash. * @requires vm.cds * @library /test/lib * @run driver SharedBaseAddress */ import jdk.test.lib.cds.CDSTestUtils; import jdk.test.lib.cds.CDSOptions; import jdk.test.lib.process.OutputAnalyzer; public class SharedBaseAddress { // shared base address test table private static final String[] testTable = { "1g", "8g", "64g","512g", "4t", "32t", "128t", "0", "1", "64k", "64M", "0xfffffffffff00000", // archive top wraps around 64-bit address space "0xfff80000", // archive top wraps around 32-bit address space "0xffffffffffffffff", // archive bottom wraps around 64-bit address space -- due to align_up() "0xffffffff", // archive bottom wraps around 32-bit address space -- due to align_up() "0x00007ffffff00000", // end of archive will go past the end of user space on linux/x64 }; public static void main(String[] args) throws Exception { for (String testEntry : testTable) { String filename = "SharedBaseAddress" + testEntry + ".jsa"; System.out.println("sharedBaseAddress = " + testEntry); CDSOptions opts = (new CDSOptions()) .setArchiveName(filename) .addPrefix("-XX:SharedBaseAddress=" + testEntry) .addPrefix("-Xlog:cds=debug") .addPrefix("-Xlog:cds+reloc=debug"); CDSTestUtils.createArchiveAndCheck(opts); CDSTestUtils.runWithArchiveAndCheck(opts); } } }