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annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/target/Backend.java @ 14841:47e4d2e01c6e

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Split LIRGenerator and fix AMD64 backend.
author Josef Eisl <josef.eisl@jku.at>
date Wed, 26 Mar 2014 11:49:07 +0100
parents 73774616a6b3
children f2e61bf2a2d8
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1 /*
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2 * Copyright (c) 2009, 2012, 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.compiler.target;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.asm.*;
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28 import com.oracle.graal.compiler.gen.*;
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29 import com.oracle.graal.lir.*;
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30 import com.oracle.graal.lir.asm.*;
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31 import com.oracle.graal.nodes.*;
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32 import com.oracle.graal.phases.tiers.*;
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33 import com.oracle.graal.phases.util.*;
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34
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35 /**
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36 * Represents a compiler backend for Graal.
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37 */
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38 public abstract class Backend {
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39
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40 private final Providers providers;
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41
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42 protected Backend(Providers providers) {
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43 this.providers = providers;
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44 }
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45
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46 public Providers getProviders() {
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47 return providers;
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48 }
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49
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50 public CodeCacheProvider getCodeCache() {
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51 return providers.getCodeCache();
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52 }
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53
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54 public ForeignCallsProvider getForeignCalls() {
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55 return providers.getForeignCalls();
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56 }
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57
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58 public abstract SuitesProvider getSuites();
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60 public abstract DisassemblerProvider getDisassembler();
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61
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62 public TargetDescription getTarget() {
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63 return providers.getCodeCache().getTarget();
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64 }
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65
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66 public abstract FrameMap newFrameMap();
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67
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68 public abstract LIRGenerator newLIRGenerator(StructuredGraph graph, CallingConvention cc, LIRGenerationResult lirGenRes);
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69
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70 public abstract LIRGenerationResult newLIRGenerationResult(LIR lir, FrameMap frameMap, Object stub);
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72 public abstract NodeLIRGenerator newNodeLIRGenerator(StructuredGraph graph, CallingConvention cc, LIRGenerationResult lirGenRes, LIRGenerator lirGen);
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73
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74 /**
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75 * Creates the assembler used to emit the machine code.
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76 */
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77 protected abstract Assembler createAssembler(FrameMap frameMap);
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78
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79 /**
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80 * Creates the object used to fill in the details of a given compilation result.
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81 */
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82 public abstract CompilationResultBuilder newCompilationResultBuilder(LIRGenerationResult lirGenResult, CompilationResult compilationResult, CompilationResultBuilderFactory factory);
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83
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84 public abstract boolean shouldAllocateRegisters();
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85
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86 /**
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87 * Emits the code for a given graph.
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88 *
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89 * @param installedCodeOwner the method the compiled code will be
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90 * {@linkplain InstalledCode#getMethod() associated} with once installed. This
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91 * argument can be null.
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92 */
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93 public abstract void emitCode(CompilationResultBuilder crb, LIR lir, ResolvedJavaMethod installedCodeOwner);
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94 }