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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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736 // owned by the assembler and deallocated upon destruction of the assembler. | 736 // owned by the assembler and deallocated upon destruction of the assembler. |
737 // | 737 // |
738 // If the provided buffer is not NULL, the assembler uses the provided buffer | 738 // If the provided buffer is not NULL, the assembler uses the provided buffer |
739 // for code generation and assumes its size to be buffer_size. If the buffer | 739 // for code generation and assumes its size to be buffer_size. If the buffer |
740 // is too small, a fatal error occurs. No deallocation of the buffer is done | 740 // is too small, a fatal error occurs. No deallocation of the buffer is done |
741 // upon destruction of the assembler. | 741 // upon destruction of the assembler. |
742 Assembler(Isolate* arg_isolate, void* buffer, int buffer_size); | 742 Assembler(Isolate* arg_isolate, void* buffer, int buffer_size); |
743 | 743 |
744 virtual ~Assembler(); | 744 virtual ~Assembler(); |
745 | 745 |
| 746 virtual void AbortedCodeGeneration() { |
| 747 num_pending_reloc_info_ = 0; |
| 748 } |
| 749 |
746 // System functions --------------------------------------------------------- | 750 // System functions --------------------------------------------------------- |
747 // Start generating code from the beginning of the buffer, discarding any code | 751 // Start generating code from the beginning of the buffer, discarding any code |
748 // and data that has already been emitted into the buffer. | 752 // and data that has already been emitted into the buffer. |
749 // | 753 // |
750 // In order to avoid any accidental transfer of state, Reset ASSERTs that the | 754 // In order to avoid any accidental transfer of state, Reset ASSERTs that the |
751 // constant pool is not blocked. | 755 // constant pool is not blocked. |
752 void Reset(); | 756 void Reset(); |
753 | 757 |
754 // GetCode emits any pending (non-emitted) code and fills the descriptor | 758 // GetCode emits any pending (non-emitted) code and fills the descriptor |
755 // desc. GetCode() is idempotent; it returns the same result if no other | 759 // desc. GetCode() is idempotent; it returns the same result if no other |
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2210 class EnsureSpace BASE_EMBEDDED { | 2214 class EnsureSpace BASE_EMBEDDED { |
2211 public: | 2215 public: |
2212 explicit EnsureSpace(Assembler* assembler) { | 2216 explicit EnsureSpace(Assembler* assembler) { |
2213 assembler->CheckBuffer(); | 2217 assembler->CheckBuffer(); |
2214 } | 2218 } |
2215 }; | 2219 }; |
2216 | 2220 |
2217 } } // namespace v8::internal | 2221 } } // namespace v8::internal |
2218 | 2222 |
2219 #endif // V8_A64_ASSEMBLER_A64_H_ | 2223 #endif // V8_A64_ASSEMBLER_A64_H_ |
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