--- /dev/null 2016-11-17 08:59:31.739573959 +0100 +++ new/test/runtime/SharedArchiveFile/TestInterpreterMethodEntries.java 2016-11-17 14:54:01.627978213 +0100 @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2016, 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 InterpreterMethodEntries + * @bug 8169711 + * @summary Test interpreter method entries for intrinsics with CDS (class data sharing) + * and different settings of the intrinsic flag during dump/use of the archive. + * @library /test/lib + * @modules java.base/jdk.internal.misc + * java.management + * @run main TestInterpreterMethodEntries + */ + +import java.lang.Math; +import java.util.zip.CRC32; +import java.util.zip.CRC32C; +import jdk.test.lib.process.ProcessTools; +import jdk.test.lib.process.OutputAnalyzer; + +public class TestInterpreterMethodEntries { + + public static void main(String[] args) throws Exception { + if (args.length == 0) { + // Dump and use shared archive with different flag combinations + dumpAndUseSharedArchive("+", "-"); + dumpAndUseSharedArchive("-", "+"); + } else { + // Call intrinsified java.lang.Math::fma() + Math.fma(1.0, 2.0, 3.0); + + byte[] buffer = new byte[256]; + // Call intrinsified java.util.zip.CRC32::update() + CRC32 crc32 = new CRC32(); + crc32.update(buffer, 0, 256); + + // Call intrinsified java.util.zip.CRC32C::updateBytes(..) + CRC32C crc32c = new CRC32C(); + crc32c.update(buffer, 0, 256); + } + } + + private static void dumpAndUseSharedArchive(String dump, String use) throws Exception { + String dumpFMA = "-XX:" + dump + "UseFMA"; + String dumpCRC32 = "-XX:" + dump + "UseCRC32Intrinsics"; + String dumpCRC32C = "-XX:" + dump + "UseCRC32CIntrinsics"; + String useFMA = "-XX:" + use + "UseFMA"; + String useCRC32 = "-XX:" + use + "UseCRC32Intrinsics"; + String useCRC32C = "-XX:" + use + "UseCRC32CIntrinsics"; + + // Dump shared archive + String filename = "./TestInterpreterMethodEntries" + dump + ".jsa"; + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( + "-XX:+UnlockDiagnosticVMOptions", + "-XX:SharedArchiveFile=" + filename, + "-Xshare:dump", + dumpFMA, dumpCRC32, dumpCRC32C); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + CDSTestUtils.checkDump(output); + + // Use shared archive + pb = ProcessTools.createJavaProcessBuilder( + "-XX:+UnlockDiagnosticVMOptions", + "-XX:SharedArchiveFile=" + filename, + "-Xshare:on", + useFMA, useCRC32, useCRC32C, + "TestInterpreterMethodEntries", "run"); + output = new OutputAnalyzer(pb.start()); + if (CDSTestUtils.isUnableToMap(output)) { + System.out.println("Unable to map shared archive: test did not complete; assumed PASS"); + return; + } + output.shouldHaveExitValue(0); + } +} +