118 lines
5.0 KiB
Java
118 lines
5.0 KiB
Java
/*
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* Copyright (c) 2014, 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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* @summary Adding extra symbols into CDS archive using -XX:SharedArchiveConfigFile
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* @requires vm.cds
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* @library /test/lib
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* @compile test-classes/Hello.java
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* @run driver ExtraSymbols
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*/
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import java.io.*;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.cds.CDSTestUtils;
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public class ExtraSymbols {
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static final String CDS_LOGGING = "-Xlog:cds,cds+hashtables";
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public static void main(String[] args) throws Exception {
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String appJar = JarBuilder.getOrCreateHelloJar();
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// 1. Dump without extra symbols.
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OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
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CDS_LOGGING);
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checkOutput(output);
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int numEntries1 = numOfEntries(output);
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// 2. Dump an archive with lots of extra symbols.
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output = TestCommon.dump(appJar, TestCommon.list("Hello"), CDS_LOGGING,
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"-XX:SharedArchiveConfigFile=" + makeLotsExtraSymbols());
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checkOutput(output);
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int numEntries2 = numOfEntries(output);
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if (numEntries2 <= numEntries1) {
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throw new RuntimeException("No extra symbols added to archive");
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}
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output = TestCommon.exec(appJar, "Hello");
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TestCommon.checkExec(output);
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// 3. Dump with invalid symbol files. Dumping should fail.
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String invalid_symbol_files[] = {"ExtraSymbols.invalid_1.txt",
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"ExtraSymbols.invalid_2.txt",
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"ExtraSymbols.invalid_3.txt"};
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String err_msgs[] = {"Corrupted at line",
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"wrong version of hashtable dump file",
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"Corrupted at line"};
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for (int i = 0; i < invalid_symbol_files.length; i++) {
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output = TestCommon.dump(appJar, TestCommon.list("Hello"),
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"-XX:SharedArchiveConfigFile=" +
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TestCommon.getSourceFile(invalid_symbol_files[i]));
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output.shouldContain("Error occurred during initialization of VM");
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output.shouldContain(err_msgs[i]);
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}
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}
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static int numOfEntries(OutputAnalyzer output) {
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// Look for this pattern:
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// [4.661s][info][cds,hashtables] Shared symbol table stats -------- base: 0x0000000800000000
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// [4.661s][info][cds,hashtables] Number of entries : 50078
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String s = output.firstMatch("Shared symbol table stats[^\n]*\n[^\n]*Number of entries : .*");
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String subs[] = s.split("[:]");
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int numEntries = Integer.parseInt(subs[2].trim());
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return numEntries;
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}
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static void checkOutput(OutputAnalyzer output) throws Exception {
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output.shouldContain("Loading classes to share");
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output.shouldContain("Shared symbol table stats -------- base:");
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output.shouldHaveExitValue(0);
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}
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static String makeLotsExtraSymbols() throws Exception {
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String fileName = "LotsExtraSymbols.txt";
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File f = new File(fileName);
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try (FileWriter fw = new FileWriter(f)) {
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fw.write("VERSION: 1.0\n");
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fw.write("@SECTION: Symbol\n");
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appendSymbol(fw, "This file is auto-generated by test/hotspot/jtreg/runtime/cds/appcds/ExtraSymbols.java. Do not edit.");
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appendSymbol(fw, "Hello");
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appendSymbol(fw, ""); // empty string
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appendSymbol(fw, "Hello_\u0001"); // <128 escaping with \x
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appendSymbol(fw, "Hello_\u00ff"); // <256 escaping with \x
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appendSymbol(fw, "Hello_\u1234"); // >= 256 escaping with \x
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appendSymbol(fw, "Hello_\uffff"); // >= 256 escaping with \x
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for (int i = 0; i < 10000; i++) {
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appendSymbol(fw, "NewSymbol" + Integer.toString(i));
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}
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}
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return fileName;
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}
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private static void appendSymbol(FileWriter fw, String symbol) throws Exception {
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fw.write(CDSTestUtils.formatArchiveConfigSymbol(symbol));
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fw.write("\n");
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}
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}
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