1 /*
2  * Copyright (c) 2016, 2020, 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
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22  */
23 
24 /**
25  * @test
26  * @requires vm.jvmci
27  * @requires vm.simpleArch == "x64" | vm.simpleArch == "aarch64"
28  * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot
29  *          jdk.internal.vm.ci/jdk.vm.ci.code
30  *          jdk.internal.vm.ci/jdk.vm.ci.code.site
31  *          jdk.internal.vm.ci/jdk.vm.ci.meta
32  *          jdk.internal.vm.ci/jdk.vm.ci.runtime
33  *          jdk.internal.vm.ci/jdk.vm.ci.common
34  *          jdk.internal.vm.ci/jdk.vm.ci.aarch64
35  *          jdk.internal.vm.ci/jdk.vm.ci.amd64
36  * @compile CodeInstallationTest.java TestAssembler.java TestHotSpotVMConfig.java amd64/AMD64TestAssembler.java aarch64/AArch64TestAssembler.java
37  * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler jdk.vm.ci.code.test.InterpreterFrameSizeTest
38  */
39 
40 package jdk.vm.ci.code.test;
41 
42 import jdk.vm.ci.code.BytecodeFrame;
43 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
44 import jdk.vm.ci.meta.JavaKind;
45 import jdk.vm.ci.meta.JavaValue;
46 import jdk.vm.ci.meta.ResolvedJavaMethod;
47 import org.junit.Assert;
48 import org.junit.Test;
49 
50 public class InterpreterFrameSizeTest extends CodeInstallationTest {
51 
hotspotCodeCache()52     HotSpotCodeCacheProvider hotspotCodeCache() {
53         return (HotSpotCodeCacheProvider) codeCache;
54     }
55 
56     @Test
testNull()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
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 }
83