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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_DEBUG_LIVEEDIT_H_ | 5 #ifndef V8_DEBUG_LIVEEDIT_H_ |
6 #define V8_DEBUG_LIVEEDIT_H_ | 6 #define V8_DEBUG_LIVEEDIT_H_ |
7 | 7 |
8 | 8 |
9 // Live Edit feature implementation. | 9 // Live Edit feature implementation. |
10 // User should be able to change script on already running VM. This feature | 10 // User should be able to change script on already running VM. This feature |
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165 * - 3 context/type words of a regular InternalFrame | 165 * - 3 context/type words of a regular InternalFrame |
166 * - fp | 166 * - fp |
167 * --- | 167 * --- |
168 * Topmost JavaScript frame | 168 * Topmost JavaScript frame |
169 * --- | 169 * --- |
170 * ... | 170 * ... |
171 * --- Bottom | 171 * --- Bottom |
172 */ | 172 */ |
173 // A size of frame base including fp. Padding words starts right above | 173 // A size of frame base including fp. Padding words starts right above |
174 // the base. | 174 // the base. |
175 static const int kFrameDropperFrameSize = 4; | 175 static const int kFrameDropperFrameSize = |
| 176 4 + StandardFrameConstants::kCPSlotCount; |
176 // A number of words that should be reserved on stack for the LiveEdit use. | 177 // A number of words that should be reserved on stack for the LiveEdit use. |
177 // Stored on stack in form of Smi. | 178 // Stored on stack in form of Smi. |
178 static const int kFramePaddingInitialSize = 1; | 179 static const int kFramePaddingInitialSize = 1; |
179 // A value that padding words are filled with (in form of Smi). Going | 180 // A value that padding words are filled with (in form of Smi). Going |
180 // bottom-top, the first word not having this value is a counter word. | 181 // bottom-top, the first word not having this value is a counter word. |
181 static const int kFramePaddingValue = kFramePaddingInitialSize + 1; | 182 static const int kFramePaddingValue = kFramePaddingInitialSize + 1; |
182 }; | 183 }; |
183 | 184 |
184 | 185 |
185 // A general-purpose comparator between 2 arrays. | 186 // A general-purpose comparator between 2 arrays. |
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361 static const int kSharedInfoOffset_ = 3; | 362 static const int kSharedInfoOffset_ = 3; |
362 static const int kSize_ = 4; | 363 static const int kSize_ = 4; |
363 | 364 |
364 friend class JSArrayBasedStruct<SharedInfoWrapper>; | 365 friend class JSArrayBasedStruct<SharedInfoWrapper>; |
365 }; | 366 }; |
366 | 367 |
367 } // namespace internal | 368 } // namespace internal |
368 } // namespace v8 | 369 } // namespace v8 |
369 | 370 |
370 #endif /* V8_DEBUG_LIVEEDIT_H_ */ | 371 #endif /* V8_DEBUG_LIVEEDIT_H_ */ |
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