1 /*

     2  * Copyright (c) 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  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"

    27  * @modules jdk.vm.ci/jdk.vm.ci.hotspot

    28  *          jdk.vm.ci/jdk.vm.ci.code

    29  *          jdk.vm.ci/jdk.vm.ci.code.site

    30  *          jdk.vm.ci/jdk.vm.ci.meta

    31  *          jdk.vm.ci/jdk.vm.ci.runtime

    32  *          jdk.vm.ci/jdk.vm.ci.common

    33  *          jdk.vm.ci/jdk.vm.ci.amd64

    34  *          jdk.vm.ci/jdk.vm.ci.sparc

    35  * @compile CodeInstallationTest.java DebugInfoTest.java TestAssembler.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java

    36  * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI compiler.jvmci.code.InterpreterFrameSizeTest

    37  */

    38 

    39 package compiler.jvmci.code;

    40 

    41 import java.lang.reflect.Method;

    42 

    43 import jdk.vm.ci.code.BytecodeFrame;

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

    45 import jdk.vm.ci.meta.JavaValue;

    46 import jdk.vm.ci.meta.ResolvedJavaMethod;

    47 

    48 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;

    49 

    50 import org.junit.Assert;

    51 import org.junit.Test;

    52 

    53 public class InterpreterFrameSizeTest extends CodeInstallationTest {

    54 

    55     HotSpotCodeCacheProvider hotspotCodeCache() {

    56         return (HotSpotCodeCacheProvider) codeCache;

    57     }

    58 

    59     @Test

    60     public void testNull() {

    61         try {

    62             hotspotCodeCache().interpreterFrameSize(null);

    63         } catch (NullPointerException npe) {

    64             System.out.println("threw NPE as expected");

    65             return;

    66         }

    67         Assert.fail("expected NullPointerException");

    68     }

    69 

    70     @Test

    71     public void test() {

    72         ResolvedJavaMethod resolvedMethod = metaAccess.lookupJavaMethod(getMethod("testNull"));

    73 

    74         int bci = 0;

    75         int numLocals = resolvedMethod.getMaxLocals();

    76         int numStack = 0;

    77         JavaValue[] values = new JavaValue[numLocals];

    78         JavaKind[] slotKinds = new JavaKind[numLocals];

    79         BytecodeFrame frame = new BytecodeFrame(null, resolvedMethod, bci, false, false, values, slotKinds, numLocals, numStack, 0);

    80         int size = hotspotCodeCache().interpreterFrameSize(frame);

    81         System.out.println("Frame size is " + size + " bytes");

    82         if (size <= 0) {

    83             Assert.fail("expected non-zero result");

    84         }

    85     }

    86 }