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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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_SNAPSHOT_SERIALIZER_COMMON_H_ | 5 #ifndef V8_SNAPSHOT_SERIALIZER_COMMON_H_ |
6 #define V8_SNAPSHOT_SERIALIZER_COMMON_H_ | 6 #define V8_SNAPSHOT_SERIALIZER_COMMON_H_ |
7 | 7 |
8 #include "src/address-map.h" | 8 #include "src/address-map.h" |
9 #include "src/external-reference-table.h" | 9 #include "src/external-reference-table.h" |
10 #include "src/globals.h" | 10 #include "src/globals.h" |
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165 static const int kVariableRawData = 0x1a; | 165 static const int kVariableRawData = 0x1a; |
166 // Internal reference encoded as offsets of pc and target from code entry. | 166 // Internal reference encoded as offsets of pc and target from code entry. |
167 static const int kInternalReference = 0x1b; | 167 static const int kInternalReference = 0x1b; |
168 static const int kInternalReferenceEncoded = 0x1c; | 168 static const int kInternalReferenceEncoded = 0x1c; |
169 // Used for the source code of the natives, which is in the executable, but | 169 // Used for the source code of the natives, which is in the executable, but |
170 // is referred to from external strings in the snapshot. | 170 // is referred to from external strings in the snapshot. |
171 static const int kNativesStringResource = 0x1d; | 171 static const int kNativesStringResource = 0x1d; |
172 // Used for the source code for compiled stubs, which is in the executable, | 172 // Used for the source code for compiled stubs, which is in the executable, |
173 // but is referred to from external strings in the snapshot. | 173 // but is referred to from external strings in the snapshot. |
174 static const int kExtraNativesStringResource = 0x1e; | 174 static const int kExtraNativesStringResource = 0x1e; |
175 // Used for embedder-provided serialization data for internal fields. | 175 // Used for embedder-provided serialization data for embedder fields. |
176 static const int kInternalFieldsData = 0x1f; | 176 static const int kEmbedderFieldsData = 0x1f; |
177 | 177 |
178 // 8 hot (recently seen or back-referenced) objects with optional skip. | 178 // 8 hot (recently seen or back-referenced) objects with optional skip. |
179 static const int kNumberOfHotObjects = 8; | 179 static const int kNumberOfHotObjects = 8; |
180 STATIC_ASSERT(kNumberOfHotObjects == HotObjectsList::kSize); | 180 STATIC_ASSERT(kNumberOfHotObjects == HotObjectsList::kSize); |
181 // 0x38..0x3f | 181 // 0x38..0x3f |
182 static const int kHotObject = 0x38; | 182 static const int kHotObject = 0x38; |
183 // 0x58..0x5f | 183 // 0x58..0x5f |
184 static const int kHotObjectWithSkip = 0x58; | 184 static const int kHotObjectWithSkip = 0x58; |
185 static const int kHotObjectMask = 0x07; | 185 static const int kHotObjectMask = 0x07; |
186 | 186 |
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294 | 294 |
295 byte* data_; | 295 byte* data_; |
296 int size_; | 296 int size_; |
297 bool owns_data_; | 297 bool owns_data_; |
298 }; | 298 }; |
299 | 299 |
300 } // namespace internal | 300 } // namespace internal |
301 } // namespace v8 | 301 } // namespace v8 |
302 | 302 |
303 #endif // V8_SNAPSHOT_SERIALIZER_COMMON_H_ | 303 #endif // V8_SNAPSHOT_SERIALIZER_COMMON_H_ |
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