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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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1253 void RecordJSReturn(); | 1253 void RecordJSReturn(); |
1254 | 1254 |
1255 // Mark address of a debug break slot. | 1255 // Mark address of a debug break slot. |
1256 void RecordDebugBreakSlot(); | 1256 void RecordDebugBreakSlot(); |
1257 | 1257 |
1258 // Record a comment relocation entry that can be used by a disassembler. | 1258 // Record a comment relocation entry that can be used by a disassembler. |
1259 // Use --code-comments to enable, or provide "force = true" flag to always | 1259 // Use --code-comments to enable, or provide "force = true" flag to always |
1260 // write a comment. | 1260 // write a comment. |
1261 void RecordComment(const char* msg, bool force = false); | 1261 void RecordComment(const char* msg, bool force = false); |
1262 | 1262 |
1263 // Record a deoptimization reason that can be used by a log or cpu profiler. | |
1264 // Use --trace-deopt to enable. | |
1265 void RecordDeoptReason(const int reason, const int raw_position); | |
1266 | |
1267 // Writes a single byte or word of data in the code stream. Used for | 1263 // Writes a single byte or word of data in the code stream. Used for |
1268 // inline tables, e.g., jump-tables. | 1264 // inline tables, e.g., jump-tables. |
1269 void db(uint8_t data); | 1265 void db(uint8_t data); |
1270 void dd(uint32_t data); | 1266 void dd(uint32_t data); |
1271 | 1267 |
1272 // Check if there is less than kGap bytes available in the buffer. | 1268 // Check if there is less than kGap bytes available in the buffer. |
1273 // If this is the case, we need to grow the buffer before emitting | 1269 // If this is the case, we need to grow the buffer before emitting |
1274 // an instruction or relocation information. | 1270 // an instruction or relocation information. |
1275 inline bool buffer_overflow() const { | 1271 inline bool buffer_overflow() const { |
1276 return pc_ >= reloc_info_writer.pos() - kGap; | 1272 return pc_ >= reloc_info_writer.pos() - kGap; |
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1400 private: | 1396 private: |
1401 Assembler* assembler_; | 1397 Assembler* assembler_; |
1402 #ifdef DEBUG | 1398 #ifdef DEBUG |
1403 int space_before_; | 1399 int space_before_; |
1404 #endif | 1400 #endif |
1405 }; | 1401 }; |
1406 | 1402 |
1407 } } // namespace v8::internal | 1403 } } // namespace v8::internal |
1408 | 1404 |
1409 #endif // V8_IA32_ASSEMBLER_IA32_H_ | 1405 #endif // V8_IA32_ASSEMBLER_IA32_H_ |
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