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 (vm.arch == "x64" | vm.arch == "sparcv9") & vm.arch != "arm64"
  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 jdk.vm.ci.code.test.InterpreterFrameSizeTest
  37  */
  38 
  39 package jdk.vm.ci.code.test;
  40 
  41 import org.junit.Assert;
  42 import org.junit.Test;
  43 
  44 import jdk.vm.ci.code.BytecodeFrame;
  45 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
  46 import jdk.vm.ci.meta.JavaKind;
  47 import jdk.vm.ci.meta.JavaValue;
  48 import jdk.vm.ci.meta.ResolvedJavaMethod;
  49 
  50 public class InterpreterFrameSizeTest extends CodeInstallationTest {
  51 
  52     HotSpotCodeCacheProvider hotspotCodeCache() {
  53         return (HotSpotCodeCacheProvider) codeCache;
  54     }
  55 
  56     @Test
  57     public void testNull() {
  58         try {
  59             hotspotCodeCache().interpreterFrameSize(null);
  60         } catch (NullPointerException npe) {
  61             // Threw NPE as expected.
  62             return;
  63         }
  64         Assert.fail("expected NullPointerException");
  65     }
  66 
  67     @Test
  68     public void test() {
  69         ResolvedJavaMethod resolvedMethod = metaAccess.lookupJavaMethod(getMethod("testNull"));
  70 
  71         int bci = 0;
  72         int numLocals = resolvedMethod.getMaxLocals();
  73         int numStack = 0;
  74         JavaValue[] values = new JavaValue[numLocals];
  75         JavaKind[] slotKinds = new JavaKind[numLocals];
  76         BytecodeFrame frame = new BytecodeFrame(null, resolvedMethod, bci, false, false, values, slotKinds, numLocals, numStack, 0);
  77         int size = hotspotCodeCache().interpreterFrameSize(frame);
  78         if (size <= 0) {
  79             Assert.fail("expected non-zero result");
  80         }
  81     }
  82 }