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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 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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59 MacroAssembler(void* buffer, int size); | 59 MacroAssembler(void* buffer, int size); |
60 | 60 |
61 void LoadRoot(Register destination, Heap::RootListIndex index); | 61 void LoadRoot(Register destination, Heap::RootListIndex index); |
62 void CompareRoot(Register with, Heap::RootListIndex index); | 62 void CompareRoot(Register with, Heap::RootListIndex index); |
63 void CompareRoot(Operand with, Heap::RootListIndex index); | 63 void CompareRoot(Operand with, Heap::RootListIndex index); |
64 void PushRoot(Heap::RootListIndex index); | 64 void PushRoot(Heap::RootListIndex index); |
65 | 65 |
66 // --------------------------------------------------------------------------- | 66 // --------------------------------------------------------------------------- |
67 // GC Support | 67 // GC Support |
68 | 68 |
| 69 // Set the remebered set bit for an address which points into an |
| 70 // object. RecordWriteHelper only works if the object is not in new |
| 71 // space. |
69 void RecordWriteHelper(Register object, | 72 void RecordWriteHelper(Register object, |
70 Register addr, | 73 Register addr, |
71 Register scratch); | 74 Register scratch); |
72 | 75 |
73 // Check if object is in new space. The condition cc can be equal or | 76 // Check if object is in new space. The condition cc can be equal or |
74 // not_equal. If it is equal a jump will be done if the object is on new | 77 // not_equal. If it is equal a jump will be done if the object is on new |
75 // space. The register scratch can be object itself, but it will be clobbered. | 78 // space. The register scratch can be object itself, but it will be clobbered. |
76 void InNewSpace(Register object, | 79 void InNewSpace(Register object, |
77 Register scratch, | 80 Register scratch, |
78 Condition cc, | 81 Condition cc, |
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853 } \ | 856 } \ |
854 masm-> | 857 masm-> |
855 #else | 858 #else |
856 #define ACCESS_MASM(masm) masm-> | 859 #define ACCESS_MASM(masm) masm-> |
857 #endif | 860 #endif |
858 | 861 |
859 | 862 |
860 } } // namespace v8::internal | 863 } } // namespace v8::internal |
861 | 864 |
862 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 865 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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