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.jvmci
  28  * @library / /test/lib
  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.ReadConfigurationTest
  34  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  35  *                   compiler.jvmci.compilerToVM.ReadConfigurationTest
  36  */
  37 
  38 package compiler.jvmci.compilerToVM;
  39 
  40 import jdk.test.lib.Asserts;
  41 import jdk.vm.ci.hotspot.VMField;
  42 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
  43 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
  44 import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
  45 import jdk.vm.ci.hotspot.VMIntrinsicMethod;
  46 
  47 public class ReadConfigurationTest {
  48     public static void main(String args[]) {
  49         new ReadConfigurationTest().runTest();
  50     }
  51 
  52     private void runTest() {
  53         HotSpotVMConfigStore store = HotSpotJVMCIRuntime.runtime().getConfigStore();
  54         TestHotSpotVMConfig config = new TestHotSpotVMConfig(store);
  55         Asserts.assertNE(config.codeCacheHighBound, 0L, "Got null address");
  56         Asserts.assertNE(config.stubRoutineJintArrayCopy, 0L, "Got null address");
  57 
  58         for (VMField field : store.getFields().values()) {
  59                 Object value = field.value;
  60                 if (value != null) {
  61                     Asserts.assertTrue(value instanceof Long || value instanceof Boolean,
  62                         "Got unexpected value type for VM field " + field.name + ": " + value.getClass());
  63                 }
  64         }
  65 
  66         for (VMIntrinsicMethod m : config.getStore().getIntrinsics()) {
  67             Asserts.assertNotNull(m);
  68             Asserts.assertNotNull(m.declaringClass);
  69             Asserts.assertFalse(m.declaringClass.contains("."),
  70                 "declaringClass should be in class file format: " + m.declaringClass);
  71             Asserts.assertNotNull(m.name);
  72             Asserts.assertNotNull(m.descriptor);
  73             Asserts.assertTrue(m.id > 0);
  74         }
  75     }
  76 
  77     private static class TestHotSpotVMConfig extends HotSpotVMConfigAccess {
  78 
  79         private TestHotSpotVMConfig(HotSpotVMConfigStore store) {
  80             super(store);
  81         }
  82 
  83         final long codeCacheHighBound = getFieldValue("CodeCache::_high_bound", Long.class);
  84         final long stubRoutineJintArrayCopy = getFieldValue("StubRoutines::_jint_arraycopy", Long.class);
  85     }
  86 }