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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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428 | 428 |
429 // A stop is enabled, meaning the simulator will stop when meeting the | 429 // A stop is enabled, meaning the simulator will stop when meeting the |
430 // instruction, if bit 31 of watched_stops_[code].count is unset. | 430 // instruction, if bit 31 of watched_stops_[code].count is unset. |
431 // The value watched_stops_[code].count & ~(1 << 31) indicates how many times | 431 // The value watched_stops_[code].count & ~(1 << 31) indicates how many times |
432 // the breakpoint was hit or gone through. | 432 // the breakpoint was hit or gone through. |
433 struct StopCountAndDesc { | 433 struct StopCountAndDesc { |
434 uint32_t count; | 434 uint32_t count; |
435 char* desc; | 435 char* desc; |
436 }; | 436 }; |
437 StopCountAndDesc watched_stops_[kNumOfWatchedStops]; | 437 StopCountAndDesc watched_stops_[kNumOfWatchedStops]; |
| 438 |
| 439 // Sets Intel x87 FPU precision to 64-bit. |
| 440 inline void set_host_fp_precision(); |
438 }; | 441 }; |
439 | 442 |
440 | 443 |
441 // When running with the simulator transition into simulated execution at this | 444 // When running with the simulator transition into simulated execution at this |
442 // point. | 445 // point. |
443 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ | 446 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ |
444 reinterpret_cast<Object*>(Simulator::current(Isolate::Current())->Call( \ | 447 reinterpret_cast<Object*>(Simulator::current(Isolate::Current())->Call( \ |
445 FUNCTION_ADDR(entry), 5, p0, p1, p2, p3, p4)) | 448 FUNCTION_ADDR(entry), 5, p0, p1, p2, p3, p4)) |
446 | 449 |
447 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \ | 450 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \ |
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472 | 475 |
473 static inline void UnregisterCTryCatch() { | 476 static inline void UnregisterCTryCatch() { |
474 Simulator::current(Isolate::Current())->PopAddress(); | 477 Simulator::current(Isolate::Current())->PopAddress(); |
475 } | 478 } |
476 }; | 479 }; |
477 | 480 |
478 } } // namespace v8::internal | 481 } } // namespace v8::internal |
479 | 482 |
480 #endif // !defined(USE_SIMULATOR) | 483 #endif // !defined(USE_SIMULATOR) |
481 #endif // V8_ARM_SIMULATOR_ARM_H_ | 484 #endif // V8_ARM_SIMULATOR_ARM_H_ |
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