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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 | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are 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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891 // Record a comment relocation entry that can be used by a disassembler. | 891 // Record a comment relocation entry that can be used by a disassembler. |
892 // Use --debug_code to enable. | 892 // Use --debug_code to enable. |
893 void RecordComment(const char* msg); | 893 void RecordComment(const char* msg); |
894 | 894 |
895 void RecordPosition(int pos); | 895 void RecordPosition(int pos); |
896 void RecordStatementPosition(int pos); | 896 void RecordStatementPosition(int pos); |
897 void WriteRecordedPositions(); | 897 void WriteRecordedPositions(); |
898 | 898 |
899 int pc_offset() const { return pc_ - buffer_; } | 899 int pc_offset() const { return pc_ - buffer_; } |
900 int current_position() const { return current_position_; } | 900 int current_position() const { return current_position_; } |
901 int current_statement_position() const { return current_position_; } | 901 int current_statement_position() const { return current_statement_position_; } |
902 | 902 |
903 protected: | 903 protected: |
904 int buffer_space() const { return reloc_info_writer.pos() - pc_; } | 904 int buffer_space() const { return reloc_info_writer.pos() - pc_; } |
905 | 905 |
906 // Read/patch instructions | 906 // Read/patch instructions |
907 static Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); } | 907 static Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); } |
908 void instr_at_put(byte* pc, Instr instr) { | 908 void instr_at_put(byte* pc, Instr instr) { |
909 *reinterpret_cast<Instr*>(pc) = instr; | 909 *reinterpret_cast<Instr*>(pc) = instr; |
910 } | 910 } |
911 Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); } | 911 Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); } |
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1027 void RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data = 0); | 1027 void RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data = 0); |
1028 | 1028 |
1029 friend class RegExpMacroAssemblerARM; | 1029 friend class RegExpMacroAssemblerARM; |
1030 friend class RelocInfo; | 1030 friend class RelocInfo; |
1031 friend class CodePatcher; | 1031 friend class CodePatcher; |
1032 }; | 1032 }; |
1033 | 1033 |
1034 } } // namespace v8::internal | 1034 } } // namespace v8::internal |
1035 | 1035 |
1036 #endif // V8_ARM_ASSEMBLER_THUMB2_H_ | 1036 #endif // V8_ARM_ASSEMBLER_THUMB2_H_ |
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