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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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4258 DECL_ACCESSORS(relocation_info, ByteArray) | 4258 DECL_ACCESSORS(relocation_info, ByteArray) |
4259 void InvalidateRelocation(); | 4259 void InvalidateRelocation(); |
4260 | 4260 |
4261 // [handler_table]: Fixed array containing offsets of exception handlers. | 4261 // [handler_table]: Fixed array containing offsets of exception handlers. |
4262 DECL_ACCESSORS(handler_table, FixedArray) | 4262 DECL_ACCESSORS(handler_table, FixedArray) |
4263 | 4263 |
4264 // [deoptimization_data]: Array containing data for deopt. | 4264 // [deoptimization_data]: Array containing data for deopt. |
4265 DECL_ACCESSORS(deoptimization_data, FixedArray) | 4265 DECL_ACCESSORS(deoptimization_data, FixedArray) |
4266 | 4266 |
4267 // [type_feedback_info]: Struct containing type feedback information. | 4267 // [type_feedback_info]: Struct containing type feedback information. |
4268 // Will contain either a TypeFeedbackInfo object, or undefined. | 4268 // STUBs can use this slot to store arbitrary information as a Smi. |
| 4269 // Will contain either a TypeFeedbackInfo object, or undefined, or a Smi. |
4269 DECL_ACCESSORS(type_feedback_info, Object) | 4270 DECL_ACCESSORS(type_feedback_info, Object) |
| 4271 inline void InitializeTypeFeedbackInfoNoWriteBarrier(Object* value); |
| 4272 inline int stub_info(); |
| 4273 inline void set_stub_info(int info); |
4270 | 4274 |
4271 // [gc_metadata]: Field used to hold GC related metadata. The contents of this | 4275 // [gc_metadata]: Field used to hold GC related metadata. The contents of this |
4272 // field does not have to be traced during garbage collection since | 4276 // field does not have to be traced during garbage collection since |
4273 // it is only used by the garbage collector itself. | 4277 // it is only used by the garbage collector itself. |
4274 DECL_ACCESSORS(gc_metadata, Object) | 4278 DECL_ACCESSORS(gc_metadata, Object) |
4275 | 4279 |
4276 // [ic_age]: Inline caching age: the value of the Heap::global_ic_age | 4280 // [ic_age]: Inline caching age: the value of the Heap::global_ic_age |
4277 // at the moment when this object was created. | 4281 // at the moment when this object was created. |
4278 inline void set_ic_age(int count); | 4282 inline void set_ic_age(int count); |
4279 inline int ic_age(); | 4283 inline int ic_age(); |
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4365 | 4369 |
4366 // [check type]: For kind CALL_IC, tells how to check if the | 4370 // [check type]: For kind CALL_IC, tells how to check if the |
4367 // receiver is valid for the given call. | 4371 // receiver is valid for the given call. |
4368 inline CheckType check_type(); | 4372 inline CheckType check_type(); |
4369 inline void set_check_type(CheckType value); | 4373 inline void set_check_type(CheckType value); |
4370 | 4374 |
4371 // [type-recording unary op type]: For kind UNARY_OP_IC. | 4375 // [type-recording unary op type]: For kind UNARY_OP_IC. |
4372 inline byte unary_op_type(); | 4376 inline byte unary_op_type(); |
4373 inline void set_unary_op_type(byte value); | 4377 inline void set_unary_op_type(byte value); |
4374 | 4378 |
4375 // [type-recording binary op type]: For kind BINARY_OP_IC. | |
4376 inline byte binary_op_type(); | |
4377 inline void set_binary_op_type(byte value); | |
4378 inline byte binary_op_result_type(); | |
4379 inline void set_binary_op_result_type(byte value); | |
4380 | |
4381 // [compare state]: For kind COMPARE_IC, tells what state the stub is in. | |
4382 inline byte compare_state(); | |
4383 inline void set_compare_state(byte value); | |
4384 | |
4385 // [compare_operation]: For kind COMPARE_IC tells what compare operation the | |
4386 // stub was generated for. | |
4387 inline byte compare_operation(); | |
4388 inline void set_compare_operation(byte value); | |
4389 | |
4390 // [to_boolean_foo]: For kind TO_BOOLEAN_IC tells what state the stub is in. | 4379 // [to_boolean_foo]: For kind TO_BOOLEAN_IC tells what state the stub is in. |
4391 inline byte to_boolean_state(); | 4380 inline byte to_boolean_state(); |
4392 inline void set_to_boolean_state(byte value); | 4381 inline void set_to_boolean_state(byte value); |
4393 | 4382 |
4394 // [has_function_cache]: For kind STUB tells whether there is a function | 4383 // [has_function_cache]: For kind STUB tells whether there is a function |
4395 // cache is passed to the stub. | 4384 // cache is passed to the stub. |
4396 inline bool has_function_cache(); | 4385 inline bool has_function_cache(); |
4397 inline void set_has_function_cache(bool flag); | 4386 inline void set_has_function_cache(bool flag); |
4398 | 4387 |
4399 bool allowed_in_shared_map_code_cache(); | 4388 bool allowed_in_shared_map_code_cache(); |
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4572 class KindField: public BitField<Kind, 7, 4> {}; | 4561 class KindField: public BitField<Kind, 7, 4> {}; |
4573 class ExtraICStateField: public BitField<ExtraICState, 11, 2> {}; | 4562 class ExtraICStateField: public BitField<ExtraICState, 11, 2> {}; |
4574 class IsPregeneratedField: public BitField<bool, 13, 1> {}; | 4563 class IsPregeneratedField: public BitField<bool, 13, 1> {}; |
4575 | 4564 |
4576 // KindSpecificFlags1 layout (STUB and OPTIMIZED_FUNCTION) | 4565 // KindSpecificFlags1 layout (STUB and OPTIMIZED_FUNCTION) |
4577 static const int kStackSlotsFirstBit = 0; | 4566 static const int kStackSlotsFirstBit = 0; |
4578 static const int kStackSlotsBitCount = 24; | 4567 static const int kStackSlotsBitCount = 24; |
4579 static const int kUnaryOpTypeFirstBit = | 4568 static const int kUnaryOpTypeFirstBit = |
4580 kStackSlotsFirstBit + kStackSlotsBitCount; | 4569 kStackSlotsFirstBit + kStackSlotsBitCount; |
4581 static const int kUnaryOpTypeBitCount = 3; | 4570 static const int kUnaryOpTypeBitCount = 3; |
4582 static const int kBinaryOpTypeFirstBit = | |
4583 kStackSlotsFirstBit + kStackSlotsBitCount; | |
4584 static const int kBinaryOpTypeBitCount = 3; | |
4585 static const int kBinaryOpResultTypeFirstBit = | |
4586 kBinaryOpTypeFirstBit + kBinaryOpTypeBitCount; | |
4587 static const int kBinaryOpResultTypeBitCount = 3; | |
4588 static const int kCompareStateFirstBit = | |
4589 kStackSlotsFirstBit + kStackSlotsBitCount; | |
4590 static const int kCompareStateBitCount = 3; | |
4591 static const int kCompareOperationFirstBit = | |
4592 kCompareStateFirstBit + kCompareStateBitCount; | |
4593 static const int kCompareOperationBitCount = 4; | |
4594 static const int kToBooleanStateFirstBit = | 4571 static const int kToBooleanStateFirstBit = |
4595 kStackSlotsFirstBit + kStackSlotsBitCount; | 4572 kStackSlotsFirstBit + kStackSlotsBitCount; |
4596 static const int kToBooleanStateBitCount = 8; | 4573 static const int kToBooleanStateBitCount = 8; |
4597 static const int kHasFunctionCacheFirstBit = | 4574 static const int kHasFunctionCacheFirstBit = |
4598 kStackSlotsFirstBit + kStackSlotsBitCount; | 4575 kStackSlotsFirstBit + kStackSlotsBitCount; |
4599 static const int kHasFunctionCacheBitCount = 1; | 4576 static const int kHasFunctionCacheBitCount = 1; |
4600 | 4577 |
4601 STATIC_ASSERT(kStackSlotsFirstBit + kStackSlotsBitCount <= 32); | 4578 STATIC_ASSERT(kStackSlotsFirstBit + kStackSlotsBitCount <= 32); |
4602 STATIC_ASSERT(kUnaryOpTypeFirstBit + kUnaryOpTypeBitCount <= 32); | 4579 STATIC_ASSERT(kUnaryOpTypeFirstBit + kUnaryOpTypeBitCount <= 32); |
4603 STATIC_ASSERT(kBinaryOpTypeFirstBit + kBinaryOpTypeBitCount <= 32); | |
4604 STATIC_ASSERT(kBinaryOpResultTypeFirstBit + | |
4605 kBinaryOpResultTypeBitCount <= 32); | |
4606 STATIC_ASSERT(kCompareStateFirstBit + kCompareStateBitCount <= 32); | |
4607 STATIC_ASSERT(kCompareOperationFirstBit + kCompareOperationBitCount <= 32); | |
4608 STATIC_ASSERT(kToBooleanStateFirstBit + kToBooleanStateBitCount <= 32); | 4580 STATIC_ASSERT(kToBooleanStateFirstBit + kToBooleanStateBitCount <= 32); |
4609 STATIC_ASSERT(kHasFunctionCacheFirstBit + kHasFunctionCacheBitCount <= 32); | 4581 STATIC_ASSERT(kHasFunctionCacheFirstBit + kHasFunctionCacheBitCount <= 32); |
4610 | 4582 |
4611 class StackSlotsField: public BitField<int, | 4583 class StackSlotsField: public BitField<int, |
4612 kStackSlotsFirstBit, kStackSlotsBitCount> {}; // NOLINT | 4584 kStackSlotsFirstBit, kStackSlotsBitCount> {}; // NOLINT |
4613 class UnaryOpTypeField: public BitField<int, | 4585 class UnaryOpTypeField: public BitField<int, |
4614 kUnaryOpTypeFirstBit, kUnaryOpTypeBitCount> {}; // NOLINT | 4586 kUnaryOpTypeFirstBit, kUnaryOpTypeBitCount> {}; // NOLINT |
4615 class BinaryOpTypeField: public BitField<int, | |
4616 kBinaryOpTypeFirstBit, kBinaryOpTypeBitCount> {}; // NOLINT | |
4617 class BinaryOpResultTypeField: public BitField<int, | |
4618 kBinaryOpResultTypeFirstBit, kBinaryOpResultTypeBitCount> {}; // NOLINT | |
4619 class CompareStateField: public BitField<int, | |
4620 kCompareStateFirstBit, kCompareStateBitCount> {}; // NOLINT | |
4621 class CompareOperationField: public BitField<int, | |
4622 kCompareOperationFirstBit, kCompareOperationBitCount> {}; // NOLINT | |
4623 class ToBooleanStateField: public BitField<int, | 4587 class ToBooleanStateField: public BitField<int, |
4624 kToBooleanStateFirstBit, kToBooleanStateBitCount> {}; // NOLINT | 4588 kToBooleanStateFirstBit, kToBooleanStateBitCount> {}; // NOLINT |
4625 class HasFunctionCacheField: public BitField<bool, | 4589 class HasFunctionCacheField: public BitField<bool, |
4626 kHasFunctionCacheFirstBit, kHasFunctionCacheBitCount> {}; // NOLINT | 4590 kHasFunctionCacheFirstBit, kHasFunctionCacheBitCount> {}; // NOLINT |
4627 | 4591 |
4628 // KindSpecificFlags2 layout (STUB and OPTIMIZED_FUNCTION) | 4592 // KindSpecificFlags2 layout (STUB and OPTIMIZED_FUNCTION) |
4629 static const int kStubMajorKeyFirstBit = 0; | 4593 static const int kStubMajorKeyFirstBit = 0; |
4630 static const int kSafepointTableOffsetFirstBit = | 4594 static const int kSafepointTableOffsetFirstBit = |
4631 kStubMajorKeyFirstBit + kStubMajorKeyBits; | 4595 kStubMajorKeyFirstBit + kStubMajorKeyBits; |
4632 static const int kSafepointTableOffsetBitCount = 26; | 4596 static const int kSafepointTableOffsetBitCount = 26; |
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8958 } else { | 8922 } else { |
8959 value &= ~(1 << bit_position); | 8923 value &= ~(1 << bit_position); |
8960 } | 8924 } |
8961 return value; | 8925 return value; |
8962 } | 8926 } |
8963 }; | 8927 }; |
8964 | 8928 |
8965 } } // namespace v8::internal | 8929 } } // namespace v8::internal |
8966 | 8930 |
8967 #endif // V8_OBJECTS_H_ | 8931 #endif // V8_OBJECTS_H_ |
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