CodeInstallationTest.java revision 11707:ad7af1afda7a 
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 */
23package jdk.vm.ci.code.test;
24
25import jdk.vm.ci.amd64.AMD64;
26import jdk.vm.ci.code.Architecture;
27import jdk.vm.ci.code.CodeCacheProvider;
28import jdk.vm.ci.code.InstalledCode;
29import jdk.vm.ci.code.TargetDescription;
30import jdk.vm.ci.code.test.amd64.AMD64TestAssembler;
31import jdk.vm.ci.code.test.sparc.SPARCTestAssembler;
32import jdk.vm.ci.hotspot.HotSpotCompiledCode;
33import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
34import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
35import jdk.vm.ci.meta.ConstantReflectionProvider;
36import jdk.vm.ci.meta.MetaAccessProvider;
37import jdk.vm.ci.runtime.JVMCI;
38import jdk.vm.ci.runtime.JVMCIBackend;
39import jdk.vm.ci.sparc.SPARC;
40import org.junit.Assert;
41
42import java.lang.reflect.Method;
43
44/**
45 * Base class for code installation tests.
46 */
47public class CodeInstallationTest {
48
49    protected final MetaAccessProvider metaAccess;
50    protected final CodeCacheProvider codeCache;
51    protected final TargetDescription target;
52    protected final ConstantReflectionProvider constantReflection;
53    protected final TestHotSpotVMConfig config;
54
55    public CodeInstallationTest() {
56        JVMCIBackend backend = JVMCI.getRuntime().getHostJVMCIBackend();
57        metaAccess = backend.getMetaAccess();
58        codeCache = backend.getCodeCache();
59        target = backend.getTarget();
60        constantReflection = backend.getConstantReflection();
61        config = new TestHotSpotVMConfig(HotSpotJVMCIRuntime.runtime().getConfigStore());
62    }
63
64    protected interface TestCompiler {
65
66        void compile(TestAssembler asm);
67    }
68
69    private TestAssembler createAssembler() {
70        Architecture arch = codeCache.getTarget().arch;
71        if (arch instanceof AMD64) {
72            return new AMD64TestAssembler(codeCache, config);
73        } else if (arch instanceof SPARC) {
74            return new SPARCTestAssembler(codeCache, config);
75        } else {
76            Assert.fail("unsupported architecture");
77            return null;
78        }
79    }
80
81    protected Method getMethod(String name, Class<?>... args) {
82        try {
83            return getClass().getMethod(name, args);
84        } catch (NoSuchMethodException e) {
85            Assert.fail("method not found");
86            return null;
87        }
88    }
89
90    protected void test(TestCompiler compiler, Method method, Object... args) {
91        try {
92            HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method);
93            TestAssembler asm = createAssembler();
94
95            asm.emitPrologue();
96            compiler.compile(asm);
97            asm.emitEpilogue();
98
99            HotSpotCompiledCode code = asm.finish(resolvedMethod);
100            InstalledCode installed = codeCache.addCode(resolvedMethod, code, null, null);
101
102            Object expected = method.invoke(null, args);
103            Object actual = installed.executeVarargs(args);
104            Assert.assertEquals(expected, actual);
105        } catch (Exception e) {
106            e.printStackTrace();
107            Assert.fail(e.toString());
108        }
109    }
110}
111