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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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