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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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41 class JumpTarget; | 41 class JumpTarget; |
42 | 42 |
43 // MacroAssembler implements a collection of frequently used macros. | 43 // MacroAssembler implements a collection of frequently used macros. |
44 class MacroAssembler: public Assembler { | 44 class MacroAssembler: public Assembler { |
45 public: | 45 public: |
46 MacroAssembler(void* buffer, int size); | 46 MacroAssembler(void* buffer, int size); |
47 | 47 |
48 // --------------------------------------------------------------------------- | 48 // --------------------------------------------------------------------------- |
49 // GC Support | 49 // GC Support |
50 | 50 |
51 | 51 // Set the remebered set bit for an address which points into an |
| 52 // object. RecordWriteHelper only works if the object is not in new |
| 53 // space. |
52 void RecordWriteHelper(Register object, | 54 void RecordWriteHelper(Register object, |
53 Register addr, | 55 Register addr, |
54 Register scratch); | 56 Register scratch); |
55 | 57 |
56 // Check if object is in new space. | 58 // Check if object is in new space. |
57 // scratch can be object itself, but it will be clobbered. | 59 // scratch can be object itself, but it will be clobbered. |
58 void InNewSpace(Register object, | 60 void InNewSpace(Register object, |
59 Register scratch, | 61 Register scratch, |
60 Condition cc, // equal for new space, not_equal otherwise. | 62 Condition cc, // equal for new space, not_equal otherwise. |
61 Label* branch); | 63 Label* branch); |
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583 } \ | 585 } \ |
584 masm-> | 586 masm-> |
585 #else | 587 #else |
586 #define ACCESS_MASM(masm) masm-> | 588 #define ACCESS_MASM(masm) masm-> |
587 #endif | 589 #endif |
588 | 590 |
589 | 591 |
590 } } // namespace v8::internal | 592 } } // namespace v8::internal |
591 | 593 |
592 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ | 594 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ |
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