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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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518 // buffer, and buffer_size determines the initial buffer size. The buffer is | 518 // buffer, and buffer_size determines the initial buffer size. The buffer is |
519 // owned by the assembler and deallocated upon destruction of the assembler. | 519 // owned by the assembler and deallocated upon destruction of the assembler. |
520 // | 520 // |
521 // If the provided buffer is not NULL, the assembler uses the provided buffer | 521 // If the provided buffer is not NULL, the assembler uses the provided buffer |
522 // for code generation and assumes its size to be buffer_size. If the buffer | 522 // for code generation and assumes its size to be buffer_size. If the buffer |
523 // is too small, a fatal error occurs. No deallocation of the buffer is done | 523 // is too small, a fatal error occurs. No deallocation of the buffer is done |
524 // upon destruction of the assembler. | 524 // upon destruction of the assembler. |
525 Assembler(Isolate* isolate, void* buffer, int buffer_size); | 525 Assembler(Isolate* isolate, void* buffer, int buffer_size); |
526 ~Assembler(); | 526 ~Assembler(); |
527 | 527 |
528 // Dummy for cross platform compatibility. | |
529 void set_predictable_code_size(bool value) { } | |
530 | |
531 // GetCode emits any pending (non-emitted) code and fills the descriptor | 528 // GetCode emits any pending (non-emitted) code and fills the descriptor |
532 // desc. GetCode() is idempotent; it returns the same result if no other | 529 // desc. GetCode() is idempotent; it returns the same result if no other |
533 // Assembler functions are invoked in between GetCode() calls. | 530 // Assembler functions are invoked in between GetCode() calls. |
534 void GetCode(CodeDesc* desc); | 531 void GetCode(CodeDesc* desc); |
535 | 532 |
536 // Label operations & relative jumps (PPUM Appendix D). | 533 // Label operations & relative jumps (PPUM Appendix D). |
537 // | 534 // |
538 // Takes a branch opcode (cc) and a label (L) and generates | 535 // Takes a branch opcode (cc) and a label (L) and generates |
539 // either a backward branch or a forward branch and links it | 536 // either a backward branch or a forward branch and links it |
540 // to the label fixup chain. Usage: | 537 // to the label fixup chain. Usage: |
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1288 class EnsureSpace BASE_EMBEDDED { | 1285 class EnsureSpace BASE_EMBEDDED { |
1289 public: | 1286 public: |
1290 explicit EnsureSpace(Assembler* assembler) { | 1287 explicit EnsureSpace(Assembler* assembler) { |
1291 assembler->CheckBuffer(); | 1288 assembler->CheckBuffer(); |
1292 } | 1289 } |
1293 }; | 1290 }; |
1294 | 1291 |
1295 } } // namespace v8::internal | 1292 } } // namespace v8::internal |
1296 | 1293 |
1297 #endif // V8_ARM_ASSEMBLER_MIPS_H_ | 1294 #endif // V8_ARM_ASSEMBLER_MIPS_H_ |
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