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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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232 class Smi; | 232 class Smi; |
233 class Statement; | 233 class Statement; |
234 class String; | 234 class String; |
235 class Struct; | 235 class Struct; |
236 class SwitchStatement; | 236 class SwitchStatement; |
237 class AstVisitor; | 237 class AstVisitor; |
238 class Variable; | 238 class Variable; |
239 class VariableProxy; | 239 class VariableProxy; |
240 class RelocInfo; | 240 class RelocInfo; |
241 class Deserializer; | 241 class Deserializer; |
| 242 class GenericDeserializer; // TODO(erikcorry): Get rid of this. |
242 class MessageLocation; | 243 class MessageLocation; |
243 class ObjectGroup; | 244 class ObjectGroup; |
244 class TickSample; | 245 class TickSample; |
245 class VirtualMemory; | 246 class VirtualMemory; |
246 class Mutex; | 247 class Mutex; |
247 class ZoneScopeInfo; | 248 class ZoneScopeInfo; |
248 | 249 |
249 typedef bool (*WeakSlotCallback)(Object** pointer); | 250 typedef bool (*WeakSlotCallback)(Object** pointer); |
250 | 251 |
251 // ----------------------------------------------------------------------------- | 252 // ----------------------------------------------------------------------------- |
252 // Miscellaneous | 253 // Miscellaneous |
253 | 254 |
254 // NOTE: SpaceIterator depends on AllocationSpace enumeration values being | 255 // NOTE: SpaceIterator depends on AllocationSpace enumeration values being |
255 // consecutive. | 256 // consecutive. |
256 enum AllocationSpace { | 257 enum AllocationSpace { |
257 NEW_SPACE, // Semispaces collected with copying collector. | 258 NEW_SPACE, // Semispaces collected with copying collector. |
258 OLD_POINTER_SPACE, // May contain pointers to new space. | 259 OLD_POINTER_SPACE, // May contain pointers to new space. |
259 OLD_DATA_SPACE, // Must not have pointers to new space. | 260 OLD_DATA_SPACE, // Must not have pointers to new space. |
260 CODE_SPACE, // No pointers to new space, marked executable. | 261 CODE_SPACE, // No pointers to new space, marked executable. |
261 MAP_SPACE, // Only and all map objects. | 262 MAP_SPACE, // Only and all map objects. |
262 CELL_SPACE, // Only and all cell objects. | 263 CELL_SPACE, // Only and all cell objects. |
263 LO_SPACE, // Promoted large objects. | 264 LO_SPACE, // Promoted large objects. |
264 | 265 |
265 FIRST_SPACE = NEW_SPACE, | 266 FIRST_SPACE = NEW_SPACE, |
266 LAST_SPACE = LO_SPACE | 267 LAST_SPACE = LO_SPACE, |
| 268 FIRST_PAGED_SPACE = OLD_POINTER_SPACE, |
| 269 LAST_PAGED_SPACE = CELL_SPACE |
267 }; | 270 }; |
268 const int kSpaceTagSize = 3; | 271 const int kSpaceTagSize = 3; |
269 const int kSpaceTagMask = (1 << kSpaceTagSize) - 1; | 272 const int kSpaceTagMask = (1 << kSpaceTagSize) - 1; |
270 | 273 |
271 | 274 |
272 // A flag that indicates whether objects should be pretenured when | 275 // A flag that indicates whether objects should be pretenured when |
273 // allocated (allocated directly into the old generation) or not | 276 // allocated (allocated directly into the old generation) or not |
274 // (allocated in the young generation if the object size and type | 277 // (allocated in the young generation if the object size and type |
275 // allows). | 278 // allows). |
276 enum PretenureFlag { NOT_TENURED, TENURED }; | 279 enum PretenureFlag { NOT_TENURED, TENURED }; |
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554 | 557 |
555 Dest dest; | 558 Dest dest; |
556 memcpy(&dest, &source, sizeof(dest)); | 559 memcpy(&dest, &source, sizeof(dest)); |
557 return dest; | 560 return dest; |
558 } | 561 } |
559 | 562 |
560 | 563 |
561 } } // namespace v8::internal | 564 } } // namespace v8::internal |
562 | 565 |
563 #endif // V8_GLOBALS_H_ | 566 #endif // V8_GLOBALS_H_ |
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