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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_FRAMES_H_ | 5 #ifndef V8_FRAMES_H_ |
6 #define V8_FRAMES_H_ | 6 #define V8_FRAMES_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/handles.h" | 9 #include "src/handles.h" |
10 #include "src/safepoint-table.h" | 10 #include "src/safepoint-table.h" |
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556 virtual int GetInlineCount() { return 1; } | 556 virtual int GetInlineCount() { return 1; } |
557 | 557 |
558 // Return a list with JSFunctions of this frame. | 558 // Return a list with JSFunctions of this frame. |
559 virtual void GetFunctions(List<JSFunction*>* functions); | 559 virtual void GetFunctions(List<JSFunction*>* functions); |
560 | 560 |
561 // Build a list with summaries for this frame including all inlined frames. | 561 // Build a list with summaries for this frame including all inlined frames. |
562 virtual void Summarize(List<FrameSummary>* frames); | 562 virtual void Summarize(List<FrameSummary>* frames); |
563 | 563 |
564 // Lookup exception handler for current {pc}, returns -1 if none found. Also | 564 // Lookup exception handler for current {pc}, returns -1 if none found. Also |
565 // returns the expected number of stack slots at the handler site. | 565 // returns the expected number of stack slots at the handler site. |
566 virtual int LookupExceptionHandlerInTable(int* stack_slots); | 566 virtual int LookupExceptionHandlerInTable( |
| 567 int* stack_slots, HandlerTable::CatchPrediction* prediction); |
567 | 568 |
568 // Architecture-specific register description. | 569 // Architecture-specific register description. |
569 static Register fp_register(); | 570 static Register fp_register(); |
570 static Register context_register(); | 571 static Register context_register(); |
571 static Register constant_pool_pointer_register(); | 572 static Register constant_pool_pointer_register(); |
572 | 573 |
573 static JavaScriptFrame* cast(StackFrame* frame) { | 574 static JavaScriptFrame* cast(StackFrame* frame) { |
574 DCHECK(frame->is_java_script()); | 575 DCHECK(frame->is_java_script()); |
575 return static_cast<JavaScriptFrame*>(frame); | 576 return static_cast<JavaScriptFrame*>(frame); |
576 } | 577 } |
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632 | 633 |
633 // Return a list with JSFunctions of this frame. | 634 // Return a list with JSFunctions of this frame. |
634 // The functions are ordered bottom-to-top (i.e. functions.last() | 635 // The functions are ordered bottom-to-top (i.e. functions.last() |
635 // is the top-most activation) | 636 // is the top-most activation) |
636 virtual void GetFunctions(List<JSFunction*>* functions); | 637 virtual void GetFunctions(List<JSFunction*>* functions); |
637 | 638 |
638 virtual void Summarize(List<FrameSummary>* frames); | 639 virtual void Summarize(List<FrameSummary>* frames); |
639 | 640 |
640 // Lookup exception handler for current {pc}, returns -1 if none found. Also | 641 // Lookup exception handler for current {pc}, returns -1 if none found. Also |
641 // returns the expected number of stack slots at the handler site. | 642 // returns the expected number of stack slots at the handler site. |
642 virtual int LookupExceptionHandlerInTable(int* stack_slots); | 643 virtual int LookupExceptionHandlerInTable( |
| 644 int* stack_slots, HandlerTable::CatchPrediction* prediction); |
643 | 645 |
644 DeoptimizationInputData* GetDeoptimizationData(int* deopt_index); | 646 DeoptimizationInputData* GetDeoptimizationData(int* deopt_index); |
645 | 647 |
646 protected: | 648 protected: |
647 inline explicit OptimizedFrame(StackFrameIteratorBase* iterator); | 649 inline explicit OptimizedFrame(StackFrameIteratorBase* iterator); |
648 | 650 |
649 private: | 651 private: |
650 JSFunction* LiteralAt(FixedArray* literal_array, int literal_id); | 652 JSFunction* LiteralAt(FixedArray* literal_array, int literal_id); |
651 | 653 |
652 friend class StackFrameIteratorBase; | 654 friend class StackFrameIteratorBase; |
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897 }; | 899 }; |
898 | 900 |
899 | 901 |
900 // Reads all frames on the current stack and copies them into the current | 902 // Reads all frames on the current stack and copies them into the current |
901 // zone memory. | 903 // zone memory. |
902 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); | 904 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); |
903 | 905 |
904 } } // namespace v8::internal | 906 } } // namespace v8::internal |
905 | 907 |
906 #endif // V8_FRAMES_H_ | 908 #endif // V8_FRAMES_H_ |
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