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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 303 // (allocated in the young generation if the object size and type | 303 // (allocated in the young generation if the object size and type |
| 304 // allows). | 304 // allows). |
| 305 enum PretenureFlag { NOT_TENURED, TENURED }; | 305 enum PretenureFlag { NOT_TENURED, TENURED }; |
| 306 | 306 |
| 307 enum GarbageCollector { SCAVENGER, MARK_COMPACTOR }; | 307 enum GarbageCollector { SCAVENGER, MARK_COMPACTOR }; |
| 308 | 308 |
| 309 enum Executability { NOT_EXECUTABLE, EXECUTABLE }; | 309 enum Executability { NOT_EXECUTABLE, EXECUTABLE }; |
| 310 | 310 |
| 311 enum VisitMode { VISIT_ALL, VISIT_ALL_IN_SCAVENGE, VISIT_ONLY_STRONG }; | 311 enum VisitMode { VISIT_ALL, VISIT_ALL_IN_SCAVENGE, VISIT_ONLY_STRONG }; |
| 312 | 312 |
| 313 // Flag indicating whether code is built in to the VM (one of the natives |
| 314 // files). |
| 315 enum NativesFlag { NOT_NATIVES_CODE, NATIVES_CODE }; |
| 316 |
| 313 | 317 |
| 314 // A CodeDesc describes a buffer holding instructions and relocation | 318 // A CodeDesc describes a buffer holding instructions and relocation |
| 315 // information. The instructions start at the beginning of the buffer | 319 // information. The instructions start at the beginning of the buffer |
| 316 // and grow forward, the relocation information starts at the end of | 320 // and grow forward, the relocation information starts at the end of |
| 317 // the buffer and grows backward. | 321 // the buffer and grows backward. |
| 318 // | 322 // |
| 319 // |<--------------- buffer_size ---------------->| | 323 // |<--------------- buffer_size ---------------->| |
| 320 // |<-- instr_size -->| |<-- reloc_size -->| | 324 // |<-- instr_size -->| |<-- reloc_size -->| |
| 321 // +==================+========+==================+ | 325 // +==================+========+==================+ |
| 322 // | instructions | free | reloc info | | 326 // | instructions | free | reloc info | |
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| 382 | 386 |
| 383 enum CallFunctionFlags { | 387 enum CallFunctionFlags { |
| 384 NO_CALL_FUNCTION_FLAGS = 0, | 388 NO_CALL_FUNCTION_FLAGS = 0, |
| 385 RECEIVER_MIGHT_BE_VALUE = 1 << 0 // Receiver might not be a JSObject. | 389 RECEIVER_MIGHT_BE_VALUE = 1 << 0 // Receiver might not be a JSObject. |
| 386 }; | 390 }; |
| 387 | 391 |
| 388 | 392 |
| 389 // Type of properties. | 393 // Type of properties. |
| 390 // Order of properties is significant. | 394 // Order of properties is significant. |
| 391 // Must fit in the BitField PropertyDetails::TypeField. | 395 // Must fit in the BitField PropertyDetails::TypeField. |
| 392 // A copy of this is in mirror-delay.js. | 396 // A copy of this is in mirror-debugger.js. |
| 393 enum PropertyType { | 397 enum PropertyType { |
| 394 NORMAL = 0, // only in slow mode | 398 NORMAL = 0, // only in slow mode |
| 395 FIELD = 1, // only in fast mode | 399 FIELD = 1, // only in fast mode |
| 396 CONSTANT_FUNCTION = 2, // only in fast mode | 400 CONSTANT_FUNCTION = 2, // only in fast mode |
| 397 CALLBACKS = 3, | 401 CALLBACKS = 3, |
| 398 INTERCEPTOR = 4, // only in lookup results, not in descriptors. | 402 INTERCEPTOR = 4, // only in lookup results, not in descriptors. |
| 399 MAP_TRANSITION = 5, // only in fast mode | 403 MAP_TRANSITION = 5, // only in fast mode |
| 400 CONSTANT_TRANSITION = 6, // only in fast mode | 404 CONSTANT_TRANSITION = 6, // only in fast mode |
| 401 NULL_DESCRIPTOR = 7, // only in fast mode | 405 NULL_DESCRIPTOR = 7, // only in fast mode |
| 402 // All properties before MAP_TRANSITION are real. | 406 // All properties before MAP_TRANSITION are real. |
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| 606 SSE2 = 26, // x86 | 610 SSE2 = 26, // x86 |
| 607 CMOV = 15, // x86 | 611 CMOV = 15, // x86 |
| 608 RDTSC = 4, // x86 | 612 RDTSC = 4, // x86 |
| 609 CPUID = 10, // x86 | 613 CPUID = 10, // x86 |
| 610 VFP3 = 1, // ARM | 614 VFP3 = 1, // ARM |
| 611 SAHF = 0}; // x86 | 615 SAHF = 0}; // x86 |
| 612 | 616 |
| 613 } } // namespace v8::internal | 617 } } // namespace v8::internal |
| 614 | 618 |
| 615 #endif // V8_GLOBALS_H_ | 619 #endif // V8_GLOBALS_H_ |
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