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1 // Copyright 2008-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2008-2009 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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116 static const int kFramePointer = 0; | 116 static const int kFramePointer = 0; |
117 // Above the frame pointer - function parameters and return address. | 117 // Above the frame pointer - function parameters and return address. |
118 static const int kReturn_eip = kFramePointer + kPointerSize; | 118 static const int kReturn_eip = kFramePointer + kPointerSize; |
119 static const int kFrameAlign = kReturn_eip + kPointerSize; | 119 static const int kFrameAlign = kReturn_eip + kPointerSize; |
120 // Parameters. | 120 // Parameters. |
121 static const int kInputString = kFrameAlign; | 121 static const int kInputString = kFrameAlign; |
122 static const int kStartIndex = kInputString + kPointerSize; | 122 static const int kStartIndex = kInputString + kPointerSize; |
123 static const int kInputStart = kStartIndex + kPointerSize; | 123 static const int kInputStart = kStartIndex + kPointerSize; |
124 static const int kInputEnd = kInputStart + kPointerSize; | 124 static const int kInputEnd = kInputStart + kPointerSize; |
125 static const int kRegisterOutput = kInputEnd + kPointerSize; | 125 static const int kRegisterOutput = kInputEnd + kPointerSize; |
126 static const int kAtStart = kRegisterOutput + kPointerSize; | 126 static const int kStackHighEnd = kRegisterOutput + kPointerSize; |
127 static const int kStackHighEnd = kAtStart + kPointerSize; | |
128 static const int kDirectCall = kStackHighEnd + kPointerSize; | 127 static const int kDirectCall = kStackHighEnd + kPointerSize; |
129 // Below the frame pointer - local stack variables. | 128 // Below the frame pointer - local stack variables. |
130 // When adding local variables remember to push space for them in | 129 // When adding local variables remember to push space for them in |
131 // the frame in GetCode. | 130 // the frame in GetCode. |
132 static const int kBackup_esi = kFramePointer - kPointerSize; | 131 static const int kBackup_esi = kFramePointer - kPointerSize; |
133 static const int kBackup_edi = kBackup_esi - kPointerSize; | 132 static const int kBackup_edi = kBackup_esi - kPointerSize; |
134 static const int kBackup_ebx = kBackup_edi - kPointerSize; | 133 static const int kBackup_ebx = kBackup_edi - kPointerSize; |
135 static const int kInputStartMinusOne = kBackup_ebx - kPointerSize; | 134 static const int kInputStartMinusOne = kBackup_ebx - kPointerSize; |
| 135 static const int kAtStart = kInputStartMinusOne - kPointerSize; |
136 // First register address. Following registers are below it on the stack. | 136 // First register address. Following registers are below it on the stack. |
137 static const int kRegisterZero = kInputStartMinusOne - kPointerSize; | 137 static const int kRegisterZero = kAtStart - kPointerSize; |
138 | 138 |
139 // Initial size of code buffer. | 139 // Initial size of code buffer. |
140 static const size_t kRegExpCodeSize = 1024; | 140 static const size_t kRegExpCodeSize = 1024; |
141 | 141 |
142 // Load a number of characters at the given offset from the | 142 // Load a number of characters at the given offset from the |
143 // current position, into the current-character register. | 143 // current position, into the current-character register. |
144 void LoadCurrentCharacterUnchecked(int cp_offset, int character_count); | 144 void LoadCurrentCharacterUnchecked(int cp_offset, int character_count); |
145 | 145 |
146 // Check whether preemption has been requested. | 146 // Check whether preemption has been requested. |
147 void CheckPreemption(); | 147 void CheckPreemption(); |
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221 Label backtrack_label_; | 221 Label backtrack_label_; |
222 Label exit_label_; | 222 Label exit_label_; |
223 Label check_preempt_label_; | 223 Label check_preempt_label_; |
224 Label stack_overflow_label_; | 224 Label stack_overflow_label_; |
225 }; | 225 }; |
226 #endif // V8_NATIVE_REGEXP | 226 #endif // V8_NATIVE_REGEXP |
227 | 227 |
228 }} // namespace v8::internal | 228 }} // namespace v8::internal |
229 | 229 |
230 #endif // V8_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ | 230 #endif // V8_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_ |
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