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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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466 | 466 |
467 | 467 |
468 // An ExternalReference represents a C++ address used in the generated | 468 // An ExternalReference represents a C++ address used in the generated |
469 // code. All references to C++ functions and variables must be encapsulated in | 469 // code. All references to C++ functions and variables must be encapsulated in |
470 // an ExternalReference instance. This is done in order to track the origin of | 470 // an ExternalReference instance. This is done in order to track the origin of |
471 // all external references in the code so that they can be bound to the correct | 471 // all external references in the code so that they can be bound to the correct |
472 // addresses when deserializing a heap. | 472 // addresses when deserializing a heap. |
473 class ExternalReference BASE_EMBEDDED { | 473 class ExternalReference BASE_EMBEDDED { |
474 public: | 474 public: |
475 // Used in the simulator to support different native api calls. | 475 // Used in the simulator to support different native api calls. |
476 // | |
477 // BUILTIN_CALL - builtin call. | |
478 // MaybeObject* f(v8::internal::Arguments). | |
479 // | |
480 // FP_RETURN_CALL - builtin call that returns floating point. | |
481 // double f(double, double). | |
482 // | |
483 // DIRECT_CALL - direct call to API function native callback | |
484 // from generated code. | |
485 // Handle<Value> f(v8::Arguments&) | |
486 // | |
487 enum Type { | 476 enum Type { |
| 477 // Builtin call. |
| 478 // MaybeObject* f(v8::internal::Arguments). |
488 BUILTIN_CALL, // default | 479 BUILTIN_CALL, // default |
| 480 |
| 481 // Builtin call that returns floating point. |
| 482 // double f(double, double). |
489 FP_RETURN_CALL, | 483 FP_RETURN_CALL, |
490 DIRECT_CALL | 484 |
| 485 // Direct call to API function callback. |
| 486 // Handle<Value> f(v8::Arguments&) |
| 487 DIRECT_API_CALL, |
| 488 |
| 489 // Direct call to accessor getter callback. |
| 490 // Handle<value> f(Local<String> property, AccessorInfo& info) |
| 491 DIRECT_GETTER_CALL |
491 }; | 492 }; |
492 | 493 |
493 typedef void* ExternalReferenceRedirector(void* original, Type type); | 494 typedef void* ExternalReferenceRedirector(void* original, Type type); |
494 | 495 |
495 explicit ExternalReference(Builtins::CFunctionId id); | 496 explicit ExternalReference(Builtins::CFunctionId id); |
496 | 497 |
497 explicit ExternalReference(ApiFunction* ptr, Type type); | 498 explicit ExternalReference(ApiFunction* ptr, Type type); |
498 | 499 |
499 explicit ExternalReference(Builtins::Name name); | 500 explicit ExternalReference(Builtins::Name name); |
500 | 501 |
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769 return num_bits_set; | 770 return num_bits_set; |
770 } | 771 } |
771 | 772 |
772 // Computes pow(x, y) with the special cases in the spec for Math.pow. | 773 // Computes pow(x, y) with the special cases in the spec for Math.pow. |
773 double power_double_int(double x, int y); | 774 double power_double_int(double x, int y); |
774 double power_double_double(double x, double y); | 775 double power_double_double(double x, double y); |
775 | 776 |
776 } } // namespace v8::internal | 777 } } // namespace v8::internal |
777 | 778 |
778 #endif // V8_ASSEMBLER_H_ | 779 #endif // V8_ASSEMBLER_H_ |
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