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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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45 #include "src/runtime/runtime.h" | 45 #include "src/runtime/runtime.h" |
46 | 46 |
47 namespace v8 { | 47 namespace v8 { |
48 | 48 |
49 // Forward declarations. | 49 // Forward declarations. |
50 class ApiFunction; | 50 class ApiFunction; |
51 | 51 |
52 namespace internal { | 52 namespace internal { |
53 | 53 |
54 // Forward declarations. | 54 // Forward declarations. |
| 55 class SourcePosition; |
55 class StatsCounter; | 56 class StatsCounter; |
56 | 57 |
57 // ----------------------------------------------------------------------------- | 58 // ----------------------------------------------------------------------------- |
58 // Platform independent assembler base class. | 59 // Platform independent assembler base class. |
59 | 60 |
60 enum class CodeObjectRequired { kNo, kYes }; | 61 enum class CodeObjectRequired { kNo, kYes }; |
61 | 62 |
62 | 63 |
63 class AssemblerBase: public Malloced { | 64 class AssemblerBase: public Malloced { |
64 public: | 65 public: |
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413 INTERNAL_REFERENCE_ENCODED, | 414 INTERNAL_REFERENCE_ENCODED, |
414 | 415 |
415 // Continuation points for a generator yield. | 416 // Continuation points for a generator yield. |
416 GENERATOR_CONTINUATION, | 417 GENERATOR_CONTINUATION, |
417 | 418 |
418 // Marks constant and veneer pools. Only used on ARM and ARM64. | 419 // Marks constant and veneer pools. Only used on ARM and ARM64. |
419 // They use a custom noncompact encoding. | 420 // They use a custom noncompact encoding. |
420 CONST_POOL, | 421 CONST_POOL, |
421 VENEER_POOL, | 422 VENEER_POOL, |
422 | 423 |
423 DEOPT_POSITION, // Deoptimization source position. | 424 DEOPT_SCRIPT_OFFSET, |
424 DEOPT_REASON, // Deoptimization reason index. | 425 DEOPT_INLINING_ID, // Deoptimization source position. |
425 DEOPT_ID, // Deoptimization inlining id. | 426 DEOPT_REASON, // Deoptimization reason index. |
| 427 DEOPT_ID, // Deoptimization inlining id. |
426 | 428 |
427 // This is not an actual reloc mode, but used to encode a long pc jump that | 429 // This is not an actual reloc mode, but used to encode a long pc jump that |
428 // cannot be encoded as part of another record. | 430 // cannot be encoded as part of another record. |
429 PC_JUMP, | 431 PC_JUMP, |
430 | 432 |
431 // Pseudo-types | 433 // Pseudo-types |
432 NUMBER_OF_MODES, | 434 NUMBER_OF_MODES, |
433 NONE32, // never recorded 32-bit value | 435 NONE32, // never recorded 32-bit value |
434 NONE64, // never recorded 64-bit value | 436 NONE64, // never recorded 64-bit value |
435 CODE_AGE_SEQUENCE, // Not stored in RelocInfo array, used explictly by | 437 CODE_AGE_SEQUENCE, // Not stored in RelocInfo array, used explictly by |
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473 static inline bool IsComment(Mode mode) { | 475 static inline bool IsComment(Mode mode) { |
474 return mode == COMMENT; | 476 return mode == COMMENT; |
475 } | 477 } |
476 static inline bool IsConstPool(Mode mode) { | 478 static inline bool IsConstPool(Mode mode) { |
477 return mode == CONST_POOL; | 479 return mode == CONST_POOL; |
478 } | 480 } |
479 static inline bool IsVeneerPool(Mode mode) { | 481 static inline bool IsVeneerPool(Mode mode) { |
480 return mode == VENEER_POOL; | 482 return mode == VENEER_POOL; |
481 } | 483 } |
482 static inline bool IsDeoptPosition(Mode mode) { | 484 static inline bool IsDeoptPosition(Mode mode) { |
483 return mode == DEOPT_POSITION; | 485 return mode == DEOPT_SCRIPT_OFFSET || mode == DEOPT_INLINING_ID; |
484 } | 486 } |
485 static inline bool IsDeoptReason(Mode mode) { | 487 static inline bool IsDeoptReason(Mode mode) { |
486 return mode == DEOPT_REASON; | 488 return mode == DEOPT_REASON; |
487 } | 489 } |
488 static inline bool IsDeoptId(Mode mode) { | 490 static inline bool IsDeoptId(Mode mode) { |
489 return mode == DEOPT_ID; | 491 return mode == DEOPT_ID; |
490 } | 492 } |
491 static inline bool IsExternalReference(Mode mode) { | 493 static inline bool IsExternalReference(Mode mode) { |
492 return mode == EXTERNAL_REFERENCE; | 494 return mode == EXTERNAL_REFERENCE; |
493 } | 495 } |
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1280 std::vector<ConstantPoolEntry> shared_entries; | 1282 std::vector<ConstantPoolEntry> shared_entries; |
1281 }; | 1283 }; |
1282 | 1284 |
1283 Label emitted_label_; // Records pc_offset of emitted pool | 1285 Label emitted_label_; // Records pc_offset of emitted pool |
1284 PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES]; | 1286 PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES]; |
1285 }; | 1287 }; |
1286 | 1288 |
1287 } // namespace internal | 1289 } // namespace internal |
1288 } // namespace v8 | 1290 } // namespace v8 |
1289 #endif // V8_ASSEMBLER_H_ | 1291 #endif // V8_ASSEMBLER_H_ |
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