Mercurial > hg > truffle
annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotVMConfig.java @ 1429:abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
* -Dc1x.debug=true turns on the logging proxies and lots of log output on the java side
* provide more information about types to the compiler (type hierarchy, etc)
* provide exception handler tables to the compiler
* add exception handlers to the nmethod
* correct implementation of ExceptionObject
* exception handling/unwinding entry points
* modified versions of handle/unwind exception stubs using standard calling conventions
* exception throwing
* implicit null pointer exception, implicit div by 0 exception
* arraystore/classcast/arrayindex exceptions
* checkcast implementation
* newarray, anewarray, multinewarray implementation
* correct new instance initialization
* access to java class mirrors (for ldc)
* unresolved methods
* class resolving - class patching (asssembly prototype copying)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Tue, 31 Aug 2010 22:13:30 -0700 |
parents | 695451afc619 |
children | efba53f86c4f |
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1 /* |
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved. |
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3 * |
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is |
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one |
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent |
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7 * applications in the U.S. and in other countries. |
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8 * |
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard |
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10 * license agreement and applicable provisions of the FAR and its supplements. |
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11 * |
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered |
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and |
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. |
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15 * |
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. |
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17 */ |
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18 package com.sun.hotspot.c1x; |
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19 |
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20 import com.sun.cri.ci.*; |
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21 |
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22 /** |
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23 * Used to communicate configuration details, runtime offsets, etc. to c1x upon compileMethod. |
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24 * |
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25 * @author Lukas Stadler |
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26 */ |
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27 public class HotSpotVMConfig implements CompilerObject { |
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28 |
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29 // os information, register layout, code generation, ... |
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30 public boolean windowsOs; |
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31 public int codeEntryAlignment; |
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32 |
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33 // offsets, ... |
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34 public int vmPageSize; |
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35 public int stackShadowPages; |
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36 public int hubOffset; |
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37 public int arrayLengthOffset; |
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38 public int[] arrayOffsets; |
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39 public int arrayClassElementOffset; |
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40 public int threadTlabTopOffset; |
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41 public int threadTlabEndOffset; |
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42 public int instanceHeaderPrototypeOffset; |
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43 public int threadExceptionOopOffset; |
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44 public int threadExceptionPcOffset; |
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45 public int threadMultiNewArrayStorage; |
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46 |
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47 // runtime stubs |
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48 public long debugStub; |
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49 public long instanceofStub; |
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50 public long newInstanceStub; |
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51 public long newTypeArrayStub; |
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52 public long newObjectArrayStub; |
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53 public long newMultiArrayStub; |
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54 public long loadKlassStub; |
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55 public long resolveStaticCallStub; |
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56 public long unwindExceptionStub; |
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57 public long handleExceptionStub; |
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58 public long throwClassCastException; |
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59 public long throwArrayStoreException; |
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60 public long throwArrayIndexException; |
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61 |
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62 public void check() { |
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63 assert vmPageSize >= 16; |
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64 assert codeEntryAlignment > 0; |
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65 assert stackShadowPages > 0; |
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66 } |
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67 |
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68 public int getArrayOffset(CiKind kind) { |
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69 return arrayOffsets[getKindNumber(kind)]; |
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70 } |
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71 |
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72 private int getKindNumber(CiKind kind) { |
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73 if (kind == CiKind.Boolean) |
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74 return 0; |
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75 else if (kind == CiKind.Byte) |
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76 return 1; |
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77 else if (kind == CiKind.Short) |
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78 return 2; |
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79 else if (kind == CiKind.Char) |
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80 return 3; |
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81 else if (kind == CiKind.Int) |
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82 return 4; |
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83 else if (kind == CiKind.Float) |
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84 return 5; |
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85 else if (kind == CiKind.Long) |
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86 return 6; |
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87 else if (kind == CiKind.Double) |
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88 return 7; |
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89 else if (kind == CiKind.Object) |
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90 return 8; |
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91 else |
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92 throw new RuntimeException(kind + " is not a Java kind"); |
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93 } |
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94 |
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95 } |