Chromium Code Reviews| OLD | NEW |
|---|---|
| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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 |
| (...skipping 777 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 788 // Casting. | 788 // Casting. |
| 789 static inline Smi* cast(Object* object); | 789 static inline Smi* cast(Object* object); |
| 790 | 790 |
| 791 // Dispatched behavior. | 791 // Dispatched behavior. |
| 792 void SmiPrint(); | 792 void SmiPrint(); |
| 793 void SmiPrint(StringStream* accumulator); | 793 void SmiPrint(StringStream* accumulator); |
| 794 #ifdef DEBUG | 794 #ifdef DEBUG |
| 795 void SmiVerify(); | 795 void SmiVerify(); |
| 796 #endif | 796 #endif |
| 797 | 797 |
| 798 static const int kSmiPrecission = 31; | |
| 798 // Min and max limits for Smi values. | 799 // Min and max limits for Smi values. |
| 799 static const int kMinValue = -(1 << (kBitsPerPointer - (kSmiTagSize + 1))); | 800 static const int kMinValue = -(1 << (kSmiPrecission - (kSmiTagSize))); |
| 800 static const int kMaxValue = (1 << (kBitsPerPointer - (kSmiTagSize + 1))) - 1; | 801 static const int kMaxValue = (1 << (kSmiPrecission - (kSmiTagSize))) - 1; |
|
Dean McNamee
2009/05/04 13:04:14
I would call this kSmiNumBits, precision (spelling
| |
| 801 | 802 |
| 802 private: | 803 private: |
| 803 DISALLOW_IMPLICIT_CONSTRUCTORS(Smi); | 804 DISALLOW_IMPLICIT_CONSTRUCTORS(Smi); |
| 804 }; | 805 }; |
| 805 | 806 |
| 806 | 807 |
| 807 // Failure is used for reporting out of memory situations and | 808 // Failure is used for reporting out of memory situations and |
| 808 // propagating exceptions through the runtime system. Failure objects | 809 // propagating exceptions through the runtime system. Failure objects |
| 809 // are transient and cannot occur as part of the objects graph. | 810 // are transient and cannot occur as part of the objects graph. |
| 810 // | 811 // |
| (...skipping 1506 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 2317 static int SizeFor(int body_size, int sinfo_size) { | 2318 static int SizeFor(int body_size, int sinfo_size) { |
| 2318 ASSERT_SIZE_TAG_ALIGNED(body_size); | 2319 ASSERT_SIZE_TAG_ALIGNED(body_size); |
| 2319 ASSERT_SIZE_TAG_ALIGNED(sinfo_size); | 2320 ASSERT_SIZE_TAG_ALIGNED(sinfo_size); |
| 2320 return RoundUp(kHeaderSize + body_size + sinfo_size, kCodeAlignment); | 2321 return RoundUp(kHeaderSize + body_size + sinfo_size, kCodeAlignment); |
| 2321 } | 2322 } |
| 2322 | 2323 |
| 2323 // Calculate the size of the code object to report for log events. This takes | 2324 // Calculate the size of the code object to report for log events. This takes |
| 2324 // the layout of the code object into account. | 2325 // the layout of the code object into account. |
| 2325 int ExecutableSize() { | 2326 int ExecutableSize() { |
| 2326 // Check that the assumptions about the layout of the code object holds. | 2327 // Check that the assumptions about the layout of the code object holds. |
| 2327 ASSERT_EQ(reinterpret_cast<unsigned int>(instruction_start()) - | 2328 ASSERT_EQ(reinterpret_cast<uintptr_t>(instruction_start()) - |
| 2328 reinterpret_cast<unsigned int>(address()), | 2329 reinterpret_cast<uintptr_t>(address()), |
|
Dean McNamee
2009/05/04 13:04:14
Do we really need this, both should be returning p
| |
| 2329 Code::kHeaderSize); | 2330 Code::kHeaderSize); |
| 2330 return instruction_size() + Code::kHeaderSize; | 2331 return instruction_size() + Code::kHeaderSize; |
| 2331 } | 2332 } |
| 2332 | 2333 |
| 2333 // Locating source position. | 2334 // Locating source position. |
| 2334 int SourcePosition(Address pc); | 2335 int SourcePosition(Address pc); |
| 2335 int SourceStatementPosition(Address pc); | 2336 int SourceStatementPosition(Address pc); |
| 2336 | 2337 |
| 2337 // Casting. | 2338 // Casting. |
| 2338 static inline Code* cast(Object* obj); | 2339 static inline Code* cast(Object* obj); |
| (...skipping 2029 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 4368 } else { | 4369 } else { |
| 4369 value &= ~(1 << bit_position); | 4370 value &= ~(1 << bit_position); |
| 4370 } | 4371 } |
| 4371 return value; | 4372 return value; |
| 4372 } | 4373 } |
| 4373 }; | 4374 }; |
| 4374 | 4375 |
| 4375 } } // namespace v8::internal | 4376 } } // namespace v8::internal |
| 4376 | 4377 |
| 4377 #endif // V8_OBJECTS_H_ | 4378 #endif // V8_OBJECTS_H_ |
| OLD | NEW |