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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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102 virtual void PushRegister(int register_index, | 102 virtual void PushRegister(int register_index, |
103 StackCheckFlag check_stack_limit); | 103 StackCheckFlag check_stack_limit); |
104 virtual void ReadCurrentPositionFromRegister(int reg); | 104 virtual void ReadCurrentPositionFromRegister(int reg); |
105 virtual void ReadStackPointerFromRegister(int reg); | 105 virtual void ReadStackPointerFromRegister(int reg); |
106 virtual void SetCurrentPositionFromEnd(int by); | 106 virtual void SetCurrentPositionFromEnd(int by); |
107 virtual void SetRegister(int register_index, int to); | 107 virtual void SetRegister(int register_index, int to); |
108 virtual bool Succeed(); | 108 virtual bool Succeed(); |
109 virtual void WriteCurrentPositionToRegister(int reg, int cp_offset); | 109 virtual void WriteCurrentPositionToRegister(int reg, int cp_offset); |
110 virtual void ClearRegisters(int reg_from, int reg_to); | 110 virtual void ClearRegisters(int reg_from, int reg_to); |
111 virtual void WriteStackPointerToRegister(int reg); | 111 virtual void WriteStackPointerToRegister(int reg); |
| 112 virtual bool CanReadUnaligned(); |
112 | 113 |
113 // Called from RegExp if the stack-guard is triggered. | 114 // Called from RegExp if the stack-guard is triggered. |
114 // If the code object is relocated, the return address is fixed before | 115 // If the code object is relocated, the return address is fixed before |
115 // returning. | 116 // returning. |
116 static int CheckStackGuardState(Address* return_address, | 117 static int CheckStackGuardState(Address* return_address, |
117 Code* re_code, | 118 Code* re_code, |
118 Address re_frame); | 119 Address re_frame); |
119 | 120 |
120 private: | 121 private: |
121 // Offsets from frame_pointer() of function parameters and stored registers. | 122 // Offsets from frame_pointer() of function parameters and stored registers. |
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249 Label check_preempt_label_; | 250 Label check_preempt_label_; |
250 Label stack_overflow_label_; | 251 Label stack_overflow_label_; |
251 }; | 252 }; |
252 | 253 |
253 #endif // V8_INTERPRETED_REGEXP | 254 #endif // V8_INTERPRETED_REGEXP |
254 | 255 |
255 | 256 |
256 }} // namespace v8::internal | 257 }} // namespace v8::internal |
257 | 258 |
258 #endif // V8_ARM_REGEXP_MACRO_ASSEMBLER_ARM_H_ | 259 #endif // V8_ARM_REGEXP_MACRO_ASSEMBLER_ARM_H_ |
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