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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 // 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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290 | 290 |
291 virtual void Iterate(ObjectVisitor* v) const = 0; | 291 virtual void Iterate(ObjectVisitor* v) const = 0; |
292 static void IteratePc(ObjectVisitor* v, Address* pc_address, Code* holder); | 292 static void IteratePc(ObjectVisitor* v, Address* pc_address, Code* holder); |
293 | 293 |
294 // Sets a callback function for return-address rewriting profilers | 294 // Sets a callback function for return-address rewriting profilers |
295 // to resolve the location of a return address to the location of the | 295 // to resolve the location of a return address to the location of the |
296 // profiler's stashed return address. | 296 // profiler's stashed return address. |
297 static void SetReturnAddressLocationResolver( | 297 static void SetReturnAddressLocationResolver( |
298 ReturnAddressLocationResolver resolver); | 298 ReturnAddressLocationResolver resolver); |
299 | 299 |
| 300 // Resolves pc_address through the resolution address function if one is set. |
| 301 static inline Address* ResolveReturnAddressLocation(Address* pc_address); |
| 302 |
| 303 |
300 // Printing support. | 304 // Printing support. |
301 enum PrintMode { OVERVIEW, DETAILS }; | 305 enum PrintMode { OVERVIEW, DETAILS }; |
302 virtual void Print(StringStream* accumulator, | 306 virtual void Print(StringStream* accumulator, |
303 PrintMode mode, | 307 PrintMode mode, |
304 int index) const { } | 308 int index) const { } |
305 | 309 |
306 Isolate* isolate() const { return isolate_; } | 310 Isolate* isolate() const { return isolate_; } |
307 | 311 |
308 protected: | 312 protected: |
309 inline explicit StackFrame(StackFrameIteratorBase* iterator); | 313 inline explicit StackFrame(StackFrameIteratorBase* iterator); |
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325 | 329 |
326 #ifdef DEBUG | 330 #ifdef DEBUG |
327 bool can_access_heap_objects() const; | 331 bool can_access_heap_objects() const; |
328 #endif | 332 #endif |
329 | 333 |
330 private: | 334 private: |
331 const StackFrameIteratorBase* iterator_; | 335 const StackFrameIteratorBase* iterator_; |
332 Isolate* isolate_; | 336 Isolate* isolate_; |
333 State state_; | 337 State state_; |
334 | 338 |
| 339 static ReturnAddressLocationResolver return_address_location_resolver_; |
| 340 |
335 // Fill in the state of the calling frame. | 341 // Fill in the state of the calling frame. |
336 virtual void ComputeCallerState(State* state) const = 0; | 342 virtual void ComputeCallerState(State* state) const = 0; |
337 | 343 |
338 // Get the type and the state of the calling frame. | 344 // Get the type and the state of the calling frame. |
339 virtual Type GetCallerState(State* state) const; | 345 virtual Type GetCallerState(State* state) const; |
340 | 346 |
341 static const intptr_t kIsolateTag = 1; | 347 static const intptr_t kIsolateTag = 1; |
342 | 348 |
343 friend class StackFrameIterator; | 349 friend class StackFrameIterator; |
344 friend class StackFrameIteratorBase; | 350 friend class StackFrameIteratorBase; |
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909 }; | 915 }; |
910 | 916 |
911 | 917 |
912 // Reads all frames on the current stack and copies them into the current | 918 // Reads all frames on the current stack and copies them into the current |
913 // zone memory. | 919 // zone memory. |
914 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); | 920 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); |
915 | 921 |
916 } } // namespace v8::internal | 922 } } // namespace v8::internal |
917 | 923 |
918 #endif // V8_FRAMES_H_ | 924 #endif // V8_FRAMES_H_ |
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