1 /* 2 * Copyright (c) 2016, 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 * @test InterpreterMethodEntries 26 * @bug 8169711 27 * @summary Test interpreter method entries for intrinsics with CDS (class data sharing) 28 * and different settings of the intrinsic flag during dump/use of the archive. 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @run main TestInterpreterMethodEntries 33 */ 34 35 import java.lang.Math; 36 import java.util.zip.CRC32; 37 import java.util.zip.CRC32C; 38 import jdk.test.lib.process.ProcessTools; 39 import jdk.test.lib.process.OutputAnalyzer; 40 41 public class TestInterpreterMethodEntries { 42 43 public static void main(String[] args) throws Exception { 44 if (args.length == 0) { 45 // Dump and use shared archive with different flag combinations 46 dumpAndUseSharedArchive("+", "-"); 47 dumpAndUseSharedArchive("-", "+"); 48 } else { 49 // Call intrinsified java.lang.Math::fma() 50 Math.fma(1.0, 2.0, 3.0); 51 52 byte[] buffer = new byte[256]; 53 // Call intrinsified java.util.zip.CRC32::update() 54 CRC32 crc32 = new CRC32(); 55 crc32.update(buffer, 0, 256); 56 57 // Call intrinsified java.util.zip.CRC32C::updateBytes(..) 58 CRC32C crc32c = new CRC32C(); 59 crc32c.update(buffer, 0, 256); 60 } 61 } 62 63 private static void dumpAndUseSharedArchive(String dump, String use) throws Exception { 64 String dumpFMA = "-XX:" + dump + "UseFMA"; 65 String dumpCRC32 = "-XX:" + dump + "UseCRC32Intrinsics"; 66 String dumpCRC32C = "-XX:" + dump + "UseCRC32CIntrinsics"; 67 String useFMA = "-XX:" + use + "UseFMA"; 68 String useCRC32 = "-XX:" + use + "UseCRC32Intrinsics"; 69 String useCRC32C = "-XX:" + use + "UseCRC32CIntrinsics"; 70 71 // Dump shared archive 72 String filename = "./TestInterpreterMethodEntries" + dump + ".jsa"; 73 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 74 "-XX:+UnlockDiagnosticVMOptions", 75 "-XX:SharedArchiveFile=" + filename, 76 "-Xshare:dump", 77 dumpFMA, dumpCRC32, dumpCRC32C); 78 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 79 CDSTestUtils.checkDump(output); 80 81 // Use shared archive 82 pb = ProcessTools.createJavaProcessBuilder( 83 "-XX:+UnlockDiagnosticVMOptions", 84 "-XX:SharedArchiveFile=" + filename, 85 "-Xshare:on", 86 useFMA, useCRC32, useCRC32C, 87 "TestInterpreterMethodEntries", "run"); 88 output = new OutputAnalyzer(pb.start()); 89 if (CDSTestUtils.isUnableToMap(output)) { 90 System.out.println("Unable to map shared archive: test did not complete; assumed PASS"); 91 return; 92 } 93 output.shouldHaveExitValue(0); 94 } 95 } 96