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JavaScriptCore
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dfg
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DFGRepatch.h

DFGRepatch.h 4.4 KB
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  1. /*
    2. 

  2.  * Copyright (C) 2011 Apple Inc. All rights reserved.
    3. 

  3.  *
    4. 

  4.  * Redistribution and use in source and binary forms, with or without
    5. 

  5.  * modification, are permitted provided that the following conditions
    6. 

  6.  * are met:
    7. 

  7.  * 1. Redistributions of source code must retain the above copyright
    8. 

  8.  *    notice, this list of conditions and the following disclaimer.
    9. 

  9.  * 2. Redistributions in binary form must reproduce the above copyright
    10. 

  10.  *    notice, this list of conditions and the following disclaimer in the
    11. 

  11.  *    documentation and/or other materials provided with the distribution.
    12. 

  12.  *
    13. 

  13.  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
    14. 

  14.  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    15. 

  15.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    16. 

  16.  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
    17. 

  17.  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    18. 

  18.  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    19. 

  19.  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    20. 

  20.  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
    21. 

  21.  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    22. 

  22.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    23. 

  23.  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
    24. 

  24.  */
    25. 

  25. 

  26. #ifndef DFGRepatch_h
    27. 

  27. #define DFGRepatch_h
    28. 

  28. 

  29. #include <wtf/Platform.h>
    30. 

  30. 

  31. #if ENABLE(DFG_JIT)
    32. 

  32. 

  33. #include "DFGJITCompiler.h"
    34. 

  34. #include "DFGOperations.h"
    35. 

  35. 

  36. namespace JSC { namespace DFG {
    37. 

  37. 

  38. void dfgRepatchGetByID(ExecState*, JSValue, const Identifier&, const PropertySlot&, StructureStubInfo&);
    39. 

  39. void dfgBuildGetByIDList(ExecState*, JSValue, const Identifier&, const PropertySlot&, StructureStubInfo&);
    40. 

  40. void dfgBuildGetByIDProtoList(ExecState*, JSValue, const Identifier&, const PropertySlot&, StructureStubInfo&);
    41. 

  41. void dfgRepatchPutByID(ExecState*, JSValue, const Identifier&, const PutPropertySlot&, StructureStubInfo&, PutKind);
    42. 

  42. void dfgBuildPutByIdList(ExecState*, JSValue, const Identifier&, const PutPropertySlot&, StructureStubInfo&, PutKind);
    43. 

  43. void dfgLinkFor(ExecState*, CallLinkInfo&, CodeBlock*, JSFunction* callee, MacroAssemblerCodePtr, CodeSpecializationKind);
    44. 

  44. void dfgLinkSlowFor(ExecState*, CallLinkInfo&, CodeSpecializationKind);
    45. 

  45. void dfgLinkClosureCall(ExecState*, CallLinkInfo&, CodeBlock*, Structure*, ExecutableBase*, MacroAssemblerCodePtr);
    46. 

  46. void dfgResetGetByID(RepatchBuffer&, StructureStubInfo&);
    47. 

  47. void dfgResetPutByID(RepatchBuffer&, StructureStubInfo&);
    48. 

  48. 

  49. #if ENABLE(DETACHED_JIT)
    50. 

  50. #if BUILDING_DETACHED_JIT
    51. 

  51. bool tryCacheGetByID(ExecState* exec, JSValue baseValue, const Identifier& propertyName, const PropertySlot& slot, StructureStubInfo& stubInfo);
    52. 

  52. bool tryBuildGetByIDList(ExecState* exec, JSValue baseValue, const Identifier& ident, const PropertySlot& slot, StructureStubInfo& stubInfo);
    53. 

  53. #else
    54. 

  54. bool tryCacheGetByID_vmstub(ExecState* exec, JSValue baseValue, const Identifier& propertyName, const PropertySlot& slot, StructureStubInfo& stubInfo);
    55. 

  55. bool tryBuildGetByIDList_vmstub(ExecState* exec, JSValue baseValue, const Identifier& ident, const PropertySlot& slot, StructureStubInfo& stubInfo);
    56. 

  56. #endif
    57. 

  57. void dfgRepatchByIdSelfAccess(CodeBlock* codeBlock, StructureStubInfo & stubInfo, Structure * structure, PropertyOffset offset, const FunctionPtr &slowPathFunction, bool compact);
    58. 

  58. void emitPutReplaceStub(ExecState*, JSValue, const Identifier&, const PutPropertySlot&, StructureStubInfo&, PutKind, Structure*, CodeLocationLabel, RefPtr<JITStubRoutine>&);
    59. 

  59. void emitPutTransitionStub(ExecState*, JSValue, const Identifier&, const PutPropertySlot&, StructureStubInfo&, PutKind, Structure* structure, Structure* oldStructure, StructureChain*, CodeLocationLabel, RefPtr<JITStubRoutine>&);
    60. 

  60. void generateProtoChainAccessStub(ExecState*, StructureStubInfo&, StructureChain*, size_t count, PropertyOffset, Structure*, CodeLocationLabel successLabel, CodeLocationLabel slowCaseLabel, RefPtr<JITStubRoutine>&);
    61. 

  61. #endif
    62. 

  62. 

  63. } } // namespace JSC::DFG
    64. 

  64. 

  65. #else // ENABLE(DFG_JIT)
    66. 

  66. 

  67. #include <wtf/Assertions.h>
    68. 

  68. 

  69. namespace JSC {
    70. 

  70. 

  71. class RepatchBuffer;
    72. 

  72. struct StructureStubInfo;
    73. 

  73. 

  74. namespace DFG {
    75. 

  75. 

  76. inline NO_RETURN void dfgResetGetByID(RepatchBuffer&, StructureStubInfo&) { RELEASE_ASSERT_NOT_REACHED(); }
    77. 

  77. inline NO_RETURN void dfgResetPutByID(RepatchBuffer&, StructureStubInfo&) { RELEASE_ASSERT_NOT_REACHED(); }
    78. 

  78. 

  79. } } // namespace JSC::DFG
    80. 

  80. 

  81. #endif // ENABLE(DFG_JIT)
    82. 

  82. #endif // DFGRepatch_h
    83. 

  83.