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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 |
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605 // failed. On success, the pointer to the Code object is stored in the | 605 // failed. On success, the pointer to the Code object is stored in the |
606 // self_reference. This allows generated code to reference its own Code | 606 // self_reference. This allows generated code to reference its own Code |
607 // object by containing this pointer. | 607 // object by containing this pointer. |
608 // Please note this function does not perform a garbage collection. | 608 // Please note this function does not perform a garbage collection. |
609 static Object* CreateCode(const CodeDesc& desc, | 609 static Object* CreateCode(const CodeDesc& desc, |
610 ZoneScopeInfo* sinfo, | 610 ZoneScopeInfo* sinfo, |
611 Code::Flags flags, | 611 Code::Flags flags, |
612 Handle<Object> self_reference); | 612 Handle<Object> self_reference); |
613 | 613 |
614 static Object* CopyCode(Code* code); | 614 static Object* CopyCode(Code* code); |
| 615 |
| 616 // Copy the code and scope info part of the code object, but insert |
| 617 // the provided data as the relocation information. |
| 618 static Object* CopyCode(Code* code, Vector<byte> reloc_info); |
| 619 |
615 // Finds the symbol for string in the symbol table. | 620 // Finds the symbol for string in the symbol table. |
616 // If not found, a new symbol is added to the table and returned. | 621 // If not found, a new symbol is added to the table and returned. |
617 // Returns Failure::RetryAfterGC(requested_bytes, space) if allocation | 622 // Returns Failure::RetryAfterGC(requested_bytes, space) if allocation |
618 // failed. | 623 // failed. |
619 // Please note this function does not perform a garbage collection. | 624 // Please note this function does not perform a garbage collection. |
620 static Object* LookupSymbol(Vector<const char> str); | 625 static Object* LookupSymbol(Vector<const char> str); |
621 static Object* LookupAsciiSymbol(const char* str) { | 626 static Object* LookupAsciiSymbol(const char* str) { |
622 return LookupSymbol(CStrVector(str)); | 627 return LookupSymbol(CStrVector(str)); |
623 } | 628 } |
624 static Object* LookupSymbol(String* str); | 629 static Object* LookupSymbol(String* str); |
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1741 | 1746 |
1742 // To speed up scavenge collections new space string are kept | 1747 // To speed up scavenge collections new space string are kept |
1743 // separate from old space strings. | 1748 // separate from old space strings. |
1744 static List<Object*> new_space_strings_; | 1749 static List<Object*> new_space_strings_; |
1745 static List<Object*> old_space_strings_; | 1750 static List<Object*> old_space_strings_; |
1746 }; | 1751 }; |
1747 | 1752 |
1748 } } // namespace v8::internal | 1753 } } // namespace v8::internal |
1749 | 1754 |
1750 #endif // V8_HEAP_H_ | 1755 #endif // V8_HEAP_H_ |
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