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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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156 public: | 156 public: |
157 static const int kCallerFPOffset = | 157 static const int kCallerFPOffset = |
158 -(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize); | 158 -(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize); |
159 }; | 159 }; |
160 | 160 |
161 | 161 |
162 class ExitFrameConstants : public AllStatic { | 162 class ExitFrameConstants : public AllStatic { |
163 public: | 163 public: |
164 static const int kFrameSize = 2 * kPointerSize; | 164 static const int kFrameSize = 2 * kPointerSize; |
165 | 165 |
166 static const int kConstantPoolOffset = 0; | |
Paul Lind
2014/03/12 22:07:14
We should say '// Not used.' here as the other (no
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166 static const int kCodeOffset = -2 * kPointerSize; | 167 static const int kCodeOffset = -2 * kPointerSize; |
167 static const int kSPOffset = -1 * kPointerSize; | 168 static const int kSPOffset = -1 * kPointerSize; |
168 | 169 |
169 // The caller fields are below the frame pointer on the stack. | 170 // The caller fields are below the frame pointer on the stack. |
170 static const int kCallerFPOffset = +0 * kPointerSize; | 171 static const int kCallerFPOffset = +0 * kPointerSize; |
171 // The calling JS function is between FP and PC. | 172 // The calling JS function is between FP and PC. |
172 static const int kCallerPCOffset = +1 * kPointerSize; | 173 static const int kCallerPCOffset = +1 * kPointerSize; |
173 | 174 |
174 // MIPS-specific: a pointer to the old sp to avoid unnecessary calculations. | 175 // MIPS-specific: a pointer to the old sp to avoid unnecessary calculations. |
175 static const int kCallerSPOffset = +2 * kPointerSize; | 176 static const int kCallerSPOffset = +2 * kPointerSize; |
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229 | 230 |
230 | 231 |
231 inline void StackHandler::SetFp(Address slot, Address fp) { | 232 inline void StackHandler::SetFp(Address slot, Address fp) { |
232 Memory::Address_at(slot) = fp; | 233 Memory::Address_at(slot) = fp; |
233 } | 234 } |
234 | 235 |
235 | 236 |
236 } } // namespace v8::internal | 237 } } // namespace v8::internal |
237 | 238 |
238 #endif | 239 #endif |
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