hotspot/test/compiler/jvmci/compilerToVM/InitializeConfigurationTest.java
author rschatz
Thu, 16 Jun 2016 16:41:50 +0000
changeset 39423 0f8dc3693499
parent 38152 80e5da81fb2c
child 39450 78e99b030d5f
permissions -rw-r--r--
8159167: [JVMCI] fix HotSpotVMConfig startup performance Reviewed-by: iveresov

/*
 * Copyright (c) 2015, 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
 * @bug 8136421
 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
 * @library / /testlibrary
 * @library ../common/patches
 * @modules java.base/jdk.internal.misc
 * @modules jdk.vm.ci/jdk.vm.ci.hotspot
 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
 * @build compiler.jvmci.compilerToVM.InitializeConfigurationTest
 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
 *                   compiler.jvmci.compilerToVM.InitializeConfigurationTest
 */

package compiler.jvmci.compilerToVM;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.function.Consumer;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
import jdk.internal.misc.Unsafe;

public class InitializeConfigurationTest {
    public static void main(String args[]) {
        new InitializeConfigurationTest().runTest();
    }

    private void runTest() {
        TestHotSpotVMConfig config = new TestHotSpotVMConfig(HotSpotJVMCIRuntime.runtime().getConfigStore());
        Asserts.assertNE(config.codeCacheHighBound, 0L, "Got null address");
        Asserts.assertNE(config.stubRoutineJintArrayCopy, 0L, "Got null address");
    }

    private static class TestHotSpotVMConfig extends HotSpotVMConfigAccess {

        private TestHotSpotVMConfig(HotSpotVMConfigStore store) {
            super(store);
        }

        final long codeCacheHighBound = getFieldValue("CodeCache::_high_bound", Long.class);
        final long stubRoutineJintArrayCopy = getFieldValue("StubRoutines::_jint_arraycopy", Long.class);
    }
}