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| 1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 357 Push(result->handle()); | 357 Push(result->handle()); |
| 358 } | 358 } |
| 359 result->Unuse(); | 359 result->Unuse(); |
| 360 } | 360 } |
| 361 | 361 |
| 362 // Nip removes zero or more elements from immediately below the top | 362 // Nip removes zero or more elements from immediately below the top |
| 363 // of the frame, leaving the previous top-of-frame value on top of | 363 // of the frame, leaving the previous top-of-frame value on top of |
| 364 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x). | 364 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x). |
| 365 inline void Nip(int num_dropped); | 365 inline void Nip(int num_dropped); |
| 366 | 366 |
| 367 inline void SetTypeForLocalAt(int index, NumberInfo info); |
| 368 |
| 367 private: | 369 private: |
| 368 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset; | 370 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset; |
| 369 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset; | 371 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset; |
| 370 static const int kContextOffset = StandardFrameConstants::kContextOffset; | 372 static const int kContextOffset = StandardFrameConstants::kContextOffset; |
| 371 | 373 |
| 372 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize; | 374 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize; |
| 373 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots. | 375 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots. |
| 374 | 376 |
| 375 ZoneList<FrameElement> elements_; | 377 ZoneList<FrameElement> elements_; |
| 376 | 378 |
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| 504 | 506 |
| 505 // Classes that need raw access to the elements_ array. | 507 // Classes that need raw access to the elements_ array. |
| 506 friend class DeferredCode; | 508 friend class DeferredCode; |
| 507 friend class JumpTarget; | 509 friend class JumpTarget; |
| 508 }; | 510 }; |
| 509 | 511 |
| 510 | 512 |
| 511 } } // namespace v8::internal | 513 } } // namespace v8::internal |
| 512 | 514 |
| 513 #endif // V8_ARM_VIRTUAL_FRAME_ARM_H_ | 515 #endif // V8_ARM_VIRTUAL_FRAME_ARM_H_ |
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