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annotate graal/com.oracle.graal.asm.test/src/com/oracle/graal/asm/test/AssemblerTest.java @ 7756:98143feb3879

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provide calling convention for assembler tests
author Roland Schatz <roland.schatz@oracle.com>
date Mon, 11 Feb 2013 12:12:59 +0100
parents 52fd6491fca8
children b792a2f3c4da
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.asm.test;
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24
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25 import java.lang.reflect.*;
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26
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27 import org.junit.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.api.runtime.*;
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32 import com.oracle.graal.asm.*;
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33 import com.oracle.graal.test.*;
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34
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35 public abstract class AssemblerTest extends GraalTest {
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36
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37 protected final CodeCacheProvider codeCache;
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38
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39 public interface CodeGenTest {
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40
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41 Buffer generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc);
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42 }
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43
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44 public AssemblerTest() {
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45 this.codeCache = Graal.getRequiredCapability(CodeCacheProvider.class);
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46 }
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47
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48 protected InstalledCode assembleMethod(Method m, CodeGenTest test) {
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49 ResolvedJavaMethod method = codeCache.lookupJavaMethod(m);
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50 RegisterConfig registerConfig = codeCache.lookupRegisterConfig(method);
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51
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52 CompilationResult compResult = new CompilationResult();
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53
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54 Signature sig = method.getSignature();
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55 JavaType retType = sig.getReturnType(null);
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56 JavaType[] argTypes = new JavaType[sig.getParameterCount(false)];
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57 for (int i = 0; i < argTypes.length; i++) {
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58 argTypes[i] = sig.getParameterType(i, null);
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59 }
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60 CallingConvention cc = registerConfig.getCallingConvention(CallingConvention.Type.JavaCallee, retType, argTypes, codeCache.getTarget(), false);
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61
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62 Buffer codeBuffer = test.generateCode(compResult, codeCache.getTarget(), registerConfig, cc);
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63 compResult.setTargetCode(codeBuffer.close(true), codeBuffer.position());
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64
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65 return codeCache.addMethod(method, compResult, null);
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66 }
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67
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68 protected Object runTest(String methodName, CodeGenTest test, Object... args) {
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69 Method method = getMethod(methodName);
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70 InstalledCode code = assembleMethod(method, test);
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71 return code.executeVarargs(args);
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72 }
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73
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74 protected void assertReturn(String methodName, CodeGenTest test, Object expected, Object... args) {
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75 Object actual = runTest(methodName, test, args);
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76 Assert.assertEquals("unexpected return value: " + actual, actual, expected);
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77 }
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78 }