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 8151664

    27  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")

    28  * @library /testlibrary /test/lib /

    29  * @modules java.base/jdk.internal.vm.annotation

    30  *          jdk.vm.ci/jdk.vm.ci.hotspot

    31  *          jdk.vm.ci/jdk.vm.ci.meta

    32  *          jdk.vm.ci/jdk.vm.ci.runtime

    33  * @compile StableFieldTest.java

    34  * @run main ClassFileInstaller compiler.jvmci.meta.StableFieldTest

    35  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Xbootclasspath/a:. compiler.jvmci.meta.StableFieldTest

    36  */

    37 

    38 package compiler.jvmci.meta;

    39 

    40 import java.lang.reflect.Field;

    41 import jdk.internal.vm.annotation.Stable;

    42 import jdk.vm.ci.hotspot.HotSpotResolvedJavaField;

    43 import jdk.vm.ci.meta.MetaAccessProvider;

    44 import jdk.vm.ci.meta.ResolvedJavaField;

    45 import jdk.vm.ci.runtime.JVMCI;

    46 

    47 public class StableFieldTest {

    48 

    49     @Stable static int myStaticField = 5;

    50     @Stable int myInstanceField = 10;

    51 

    52     public static void main(String[] args) throws Throwable {

    53         MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess();

    54         for (String name : new String[] {"myStaticField", "myInstanceField"}) {

    55             java.lang.reflect.Field javaField = StableFieldTest.class.getDeclaredField(name);

    56             HotSpotResolvedJavaField field = (HotSpotResolvedJavaField) metaAccess.lookupJavaField(javaField);

    57             if (!field.isStable()) {

    58                 throw new AssertionError("Expected HotSpotResolvedJavaField.isStable() to return true for " + javaField);

    59             }

    60         }

    61     }

    62 }