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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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724 void RecordComment(const char* msg); | 724 void RecordComment(const char* msg); |
725 | 725 |
726 void RecordPosition(int pos); | 726 void RecordPosition(int pos); |
727 void RecordStatementPosition(int pos); | 727 void RecordStatementPosition(int pos); |
728 void WriteRecordedPositions(); | 728 void WriteRecordedPositions(); |
729 | 729 |
730 // Writes a single word of data in the code stream. | 730 // Writes a single word of data in the code stream. |
731 // Used for inline tables, e.g., jump-tables. | 731 // Used for inline tables, e.g., jump-tables. |
732 void dd(uint32_t data, RelocInfo::Mode reloc_info); | 732 void dd(uint32_t data, RelocInfo::Mode reloc_info); |
733 | 733 |
734 // Writes the absolute address of a bound label at the given position in | |
735 // the generated code. That positions should have the relocation mode | |
736 // internal_reference! | |
737 void WriteInternalReference(int position, const Label& bound_label); | |
738 | |
739 int pc_offset() const { return pc_ - buffer_; } | 734 int pc_offset() const { return pc_ - buffer_; } |
740 int current_statement_position() const { return current_statement_position_; } | 735 int current_statement_position() const { return current_statement_position_; } |
741 int current_position() const { return current_position_; } | 736 int current_position() const { return current_position_; } |
742 | 737 |
743 // Check if there is less than kGap bytes available in the buffer. | 738 // Check if there is less than kGap bytes available in the buffer. |
744 // If this is the case, we need to grow the buffer before emitting | 739 // If this is the case, we need to grow the buffer before emitting |
745 // an instruction or relocation information. | 740 // an instruction or relocation information. |
746 inline bool overflow() const { return pc_ >= reloc_info_writer.pos() - kGap; } | 741 inline bool overflow() const { return pc_ >= reloc_info_writer.pos() - kGap; } |
747 | 742 |
748 // Get the number of bytes available in the buffer. | 743 // Get the number of bytes available in the buffer. |
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857 private: | 852 private: |
858 Assembler* assembler_; | 853 Assembler* assembler_; |
859 #ifdef DEBUG | 854 #ifdef DEBUG |
860 int space_before_; | 855 int space_before_; |
861 #endif | 856 #endif |
862 }; | 857 }; |
863 | 858 |
864 } } // namespace v8::internal | 859 } } // namespace v8::internal |
865 | 860 |
866 #endif // V8_IA32_ASSEMBLER_IA32_H_ | 861 #endif // V8_IA32_ASSEMBLER_IA32_H_ |
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