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