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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_OBJECTS_H_ | 5 #ifndef V8_OBJECTS_H_ |
6 #define V8_OBJECTS_H_ | 6 #define V8_OBJECTS_H_ |
7 | 7 |
8 #include <iosfwd> | 8 #include <iosfwd> |
9 | 9 |
10 #include "src/assert-scope.h" | 10 #include "src/assert-scope.h" |
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6681 static const int kEntriesStart = 1; | 6681 static const int kEntriesStart = 1; |
6682 static const int kContextOffset = 0; | 6682 static const int kContextOffset = 0; |
6683 static const int kCachedCodeOffset = 1; | 6683 static const int kCachedCodeOffset = 1; |
6684 static const int kLiteralsOffset = 2; | 6684 static const int kLiteralsOffset = 2; |
6685 static const int kOsrAstIdOffset = 3; | 6685 static const int kOsrAstIdOffset = 3; |
6686 static const int kEntryLength = 4; | 6686 static const int kEntryLength = 4; |
6687 static const int kInitialLength = kEntriesStart + kEntryLength; | 6687 static const int kInitialLength = kEntriesStart + kEntryLength; |
6688 | 6688 |
6689 static const int kNotFound = -1; | 6689 static const int kNotFound = -1; |
6690 | 6690 |
6691 // Helpers for assembly code that does a backwards walk of the optimized code | |
6692 // map. | |
6693 static const int kOffsetToPreviousContext = | |
6694 FixedArray::kHeaderSize + kPointerSize * (kContextOffset - kEntryLength); | |
6695 static const int kOffsetToPreviousCachedCode = | |
6696 FixedArray::kHeaderSize + | |
6697 kPointerSize * (kCachedCodeOffset - kEntryLength); | |
6698 static const int kOffsetToPreviousLiterals = | |
6699 FixedArray::kHeaderSize + kPointerSize * (kLiteralsOffset - kEntryLength); | |
6700 static const int kOffsetToPreviousOsrAstId = | |
6701 FixedArray::kHeaderSize + kPointerSize * (kOsrAstIdOffset - kEntryLength); | |
6702 | |
6703 // [scope_info]: Scope info. | 6691 // [scope_info]: Scope info. |
6704 DECL_ACCESSORS(scope_info, ScopeInfo) | 6692 DECL_ACCESSORS(scope_info, ScopeInfo) |
6705 | 6693 |
6706 // [construct stub]: Code stub for constructing instances of this function. | 6694 // [construct stub]: Code stub for constructing instances of this function. |
6707 DECL_ACCESSORS(construct_stub, Code) | 6695 DECL_ACCESSORS(construct_stub, Code) |
6708 | 6696 |
6709 // Returns if this function has been compiled to native code yet. | 6697 // Returns if this function has been compiled to native code yet. |
6710 inline bool is_compiled(); | 6698 inline bool is_compiled(); |
6711 | 6699 |
6712 // [length]: The function length - usually the number of declared parameters. | 6700 // [length]: The function length - usually the number of declared parameters. |
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10774 } | 10762 } |
10775 return value; | 10763 return value; |
10776 } | 10764 } |
10777 }; | 10765 }; |
10778 | 10766 |
10779 | 10767 |
10780 } // NOLINT, false-positive due to second-order macros. | 10768 } // NOLINT, false-positive due to second-order macros. |
10781 } // NOLINT, false-positive due to second-order macros. | 10769 } // NOLINT, false-positive due to second-order macros. |
10782 | 10770 |
10783 #endif // V8_OBJECTS_H_ | 10771 #endif // V8_OBJECTS_H_ |
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