1 /*
   2  * Copyright (c) 2015, 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
  26  * @bug 8136421
  27  * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
  28  * @library / /testlibrary
  29  * @library ../common/patches
  30  * @modules java.base/jdk.internal.misc
  31  * @modules jdk.vm.ci/jdk.vm.ci.hotspot
  32  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  33  * @build compiler.jvmci.compilerToVM.InitializeConfigurationTest
  34  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  35  *                   compiler.jvmci.compilerToVM.InitializeConfigurationTest
  36  */
  37 
  38 package compiler.jvmci.compilerToVM;
  39 
  40 import java.util.ArrayList;
  41 import java.util.Iterator;
  42 import java.util.List;
  43 import java.util.NoSuchElementException;
  44 import java.util.Objects;
  45 import java.util.function.Consumer;
  46 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  47 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
  48 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
  49 import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
  50 import jdk.test.lib.Asserts;
  51 import jdk.test.lib.Utils;
  52 import jdk.internal.misc.Unsafe;
  53 
  54 public class InitializeConfigurationTest {
  55     public static void main(String args[]) {
  56         new InitializeConfigurationTest().runTest();
  57     }
  58 
  59     private void runTest() {
  60         TestHotSpotVMConfig config = new TestHotSpotVMConfig(HotSpotJVMCIRuntime.runtime().getConfigStore());
  61         Asserts.assertNE(config.codeCacheHighBound, 0L, "Got null address");
  62         Asserts.assertNE(config.stubRoutineJintArrayCopy, 0L, "Got null address");
  63     }
  64 
  65     private static class TestHotSpotVMConfig extends HotSpotVMConfigAccess {
  66 
  67         private TestHotSpotVMConfig(HotSpotVMConfigStore store) {
  68             super(store);
  69         }
  70 
  71         final long codeCacheHighBound = getFieldValue("CodeCache::_high_bound", Long.class);
  72         final long stubRoutineJintArrayCopy = getFieldValue("StubRoutines::_jint_arraycopy", Long.class);
  73     }
  74 }