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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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339 int mode_mask_; | 339 int mode_mask_; |
340 DISALLOW_COPY_AND_ASSIGN(RelocIterator); | 340 DISALLOW_COPY_AND_ASSIGN(RelocIterator); |
341 }; | 341 }; |
342 | 342 |
343 | 343 |
344 //------------------------------------------------------------------------------ | 344 //------------------------------------------------------------------------------ |
345 // External function | 345 // External function |
346 | 346 |
347 //---------------------------------------------------------------------------- | 347 //---------------------------------------------------------------------------- |
348 class IC_Utility; | 348 class IC_Utility; |
| 349 class SCTableReference; |
| 350 #ifdef ENABLE_DEBUGGER_SUPPORT |
349 class Debug_Address; | 351 class Debug_Address; |
350 class SCTableReference; | 352 #endif |
351 | 353 |
352 // An ExternalReference represents a C++ address called from the generated | 354 // An ExternalReference represents a C++ address called from the generated |
353 // code. All references to C++ functions and must be encapsulated in an | 355 // code. All references to C++ functions and must be encapsulated in an |
354 // ExternalReference instance. This is done in order to track the origin of | 356 // ExternalReference instance. This is done in order to track the origin of |
355 // all external references in the code. | 357 // all external references in the code. |
356 class ExternalReference BASE_EMBEDDED { | 358 class ExternalReference BASE_EMBEDDED { |
357 public: | 359 public: |
358 explicit ExternalReference(Builtins::CFunctionId id); | 360 explicit ExternalReference(Builtins::CFunctionId id); |
359 | 361 |
360 explicit ExternalReference(Builtins::Name name); | 362 explicit ExternalReference(Builtins::Name name); |
361 | 363 |
362 explicit ExternalReference(Runtime::FunctionId id); | 364 explicit ExternalReference(Runtime::FunctionId id); |
363 | 365 |
364 explicit ExternalReference(Runtime::Function* f); | 366 explicit ExternalReference(Runtime::Function* f); |
365 | 367 |
366 explicit ExternalReference(const IC_Utility& ic_utility); | 368 explicit ExternalReference(const IC_Utility& ic_utility); |
367 | 369 |
| 370 #ifdef ENABLE_DEBUGGER_SUPPORT |
368 explicit ExternalReference(const Debug_Address& debug_address); | 371 explicit ExternalReference(const Debug_Address& debug_address); |
| 372 #endif |
369 | 373 |
370 explicit ExternalReference(StatsCounter* counter); | 374 explicit ExternalReference(StatsCounter* counter); |
371 | 375 |
372 explicit ExternalReference(Top::AddressId id); | 376 explicit ExternalReference(Top::AddressId id); |
373 | 377 |
374 explicit ExternalReference(const SCTableReference& table_ref); | 378 explicit ExternalReference(const SCTableReference& table_ref); |
375 | 379 |
376 // One-of-a-kind references. These references are not part of a general | 380 // One-of-a-kind references. These references are not part of a general |
377 // pattern. This means that they have to be added to the | 381 // pattern. This means that they have to be added to the |
378 // ExternalReferenceTable in serialize.cc manually. | 382 // ExternalReferenceTable in serialize.cc manually. |
379 | 383 |
380 static ExternalReference builtin_passed_function(); | 384 static ExternalReference builtin_passed_function(); |
381 | 385 |
382 // Static variable Factory::the_hole_value.location() | 386 // Static variable Factory::the_hole_value.location() |
383 static ExternalReference the_hole_value_location(); | 387 static ExternalReference the_hole_value_location(); |
384 | 388 |
385 // Static variable StackGuard::address_of_jslimit() | 389 // Static variable StackGuard::address_of_jslimit() |
386 static ExternalReference address_of_stack_guard_limit(); | 390 static ExternalReference address_of_stack_guard_limit(); |
387 | 391 |
388 // Static variable RegExpStack::limit_address() | 392 // Static variable RegExpStack::limit_address() |
389 static ExternalReference address_of_regexp_stack_limit(); | 393 static ExternalReference address_of_regexp_stack_limit(); |
390 | 394 |
391 // Function Debug::Break() | |
392 static ExternalReference debug_break(); | |
393 | |
394 // Static variable Heap::NewSpaceStart() | 395 // Static variable Heap::NewSpaceStart() |
395 static ExternalReference new_space_start(); | 396 static ExternalReference new_space_start(); |
396 static ExternalReference heap_always_allocate_scope_depth(); | 397 static ExternalReference heap_always_allocate_scope_depth(); |
397 | 398 |
398 // Used for fast allocation in generated code. | 399 // Used for fast allocation in generated code. |
399 static ExternalReference new_space_allocation_top_address(); | 400 static ExternalReference new_space_allocation_top_address(); |
400 static ExternalReference new_space_allocation_limit_address(); | 401 static ExternalReference new_space_allocation_limit_address(); |
401 | 402 |
402 // Used to check if single stepping is enabled in generated code. | |
403 static ExternalReference debug_step_in_fp_address(); | |
404 | |
405 static ExternalReference double_fp_operation(Token::Value operation); | 403 static ExternalReference double_fp_operation(Token::Value operation); |
406 | 404 |
407 Address address() const {return address_;} | 405 Address address() const {return address_;} |
408 | 406 |
| 407 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 408 // Function Debug::Break() |
| 409 static ExternalReference debug_break(); |
| 410 |
| 411 // Used to check if single stepping is enabled in generated code. |
| 412 static ExternalReference debug_step_in_fp_address(); |
| 413 #endif |
| 414 |
409 private: | 415 private: |
410 explicit ExternalReference(void* address) | 416 explicit ExternalReference(void* address) |
411 : address_(reinterpret_cast<Address>(address)) {} | 417 : address_(reinterpret_cast<Address>(address)) {} |
412 | 418 |
413 Address address_; | 419 Address address_; |
414 }; | 420 }; |
415 | 421 |
416 | 422 |
417 // ----------------------------------------------------------------------------- | 423 // ----------------------------------------------------------------------------- |
418 // Utility functions | 424 // Utility functions |
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434 static inline bool is_uint4(int x) { return is_uintn(x, 4); } | 440 static inline bool is_uint4(int x) { return is_uintn(x, 4); } |
435 static inline bool is_uint5(int x) { return is_uintn(x, 5); } | 441 static inline bool is_uint5(int x) { return is_uintn(x, 5); } |
436 static inline bool is_uint8(int x) { return is_uintn(x, 8); } | 442 static inline bool is_uint8(int x) { return is_uintn(x, 8); } |
437 static inline bool is_uint12(int x) { return is_uintn(x, 12); } | 443 static inline bool is_uint12(int x) { return is_uintn(x, 12); } |
438 static inline bool is_uint16(int x) { return is_uintn(x, 16); } | 444 static inline bool is_uint16(int x) { return is_uintn(x, 16); } |
439 static inline bool is_uint24(int x) { return is_uintn(x, 24); } | 445 static inline bool is_uint24(int x) { return is_uintn(x, 24); } |
440 | 446 |
441 } } // namespace v8::internal | 447 } } // namespace v8::internal |
442 | 448 |
443 #endif // V8_ASSEMBLER_H_ | 449 #endif // V8_ASSEMBLER_H_ |
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