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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 157 // Printing support. | 157 // Printing support. |
| 158 enum PrintMode { OVERVIEW, DETAILS }; | 158 enum PrintMode { OVERVIEW, DETAILS }; |
| 159 virtual void Print(StringStream* accumulator, | 159 virtual void Print(StringStream* accumulator, |
| 160 PrintMode mode, | 160 PrintMode mode, |
| 161 int index) const { } | 161 int index) const { } |
| 162 | 162 |
| 163 protected: | 163 protected: |
| 164 struct State { | 164 struct State { |
| 165 Address sp; | 165 Address sp; |
| 166 Address fp; | 166 Address fp; |
| 167 #ifdef USE_OLD_CALLING_CONVENTIONS | |
| 168 Address pp; | |
| 169 #endif | |
| 170 Address* pc_address; | 167 Address* pc_address; |
| 171 }; | 168 }; |
| 172 | 169 |
| 173 explicit StackFrame(StackFrameIterator* iterator) : iterator_(iterator) { } | 170 explicit StackFrame(StackFrameIterator* iterator) : iterator_(iterator) { } |
| 174 virtual ~StackFrame() { } | 171 virtual ~StackFrame() { } |
| 175 | 172 |
| 176 // Compute the stack pointer for the calling frame. | 173 // Compute the stack pointer for the calling frame. |
| 177 virtual Address GetCallerStackPointer() const = 0; | 174 virtual Address GetCallerStackPointer() const = 0; |
| 178 | 175 |
| 179 // Printing support. | 176 // Printing support. |
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| 331 | 328 |
| 332 protected: | 329 protected: |
| 333 explicit StandardFrame(StackFrameIterator* iterator) | 330 explicit StandardFrame(StackFrameIterator* iterator) |
| 334 : StackFrame(iterator) { } | 331 : StackFrame(iterator) { } |
| 335 | 332 |
| 336 virtual Type GetCallerState(State* state) const; | 333 virtual Type GetCallerState(State* state) const; |
| 337 | 334 |
| 338 // Accessors. | 335 // Accessors. |
| 339 inline Address caller_sp() const; | 336 inline Address caller_sp() const; |
| 340 inline Address caller_fp() const; | 337 inline Address caller_fp() const; |
| 341 #ifdef USE_OLD_CALLING_CONVENTIONS | |
| 342 inline Address caller_pp() const; | |
| 343 #endif | |
| 344 inline Address caller_pc() const; | 338 inline Address caller_pc() const; |
| 345 | 339 |
| 346 // Computes the address of the PC field in the standard frame given | 340 // Computes the address of the PC field in the standard frame given |
| 347 // by the provided frame pointer. | 341 // by the provided frame pointer. |
| 348 static inline Address ComputePCAddress(Address fp); | 342 static inline Address ComputePCAddress(Address fp); |
| 349 | 343 |
| 350 // Iterate over expression stack including stack handlers, locals, | 344 // Iterate over expression stack including stack handlers, locals, |
| 351 // and parts of the fixed part including context and code fields. | 345 // and parts of the fixed part including context and code fields. |
| 352 void IterateExpressions(ObjectVisitor* v) const; | 346 void IterateExpressions(ObjectVisitor* v) const; |
| 353 | 347 |
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| 573 JavaScriptFrame* FindJavaScriptFrame(int n); | 567 JavaScriptFrame* FindJavaScriptFrame(int n); |
| 574 | 568 |
| 575 private: | 569 private: |
| 576 StackFrameIterator iterator_; | 570 StackFrameIterator iterator_; |
| 577 }; | 571 }; |
| 578 | 572 |
| 579 | 573 |
| 580 } } // namespace v8::internal | 574 } } // namespace v8::internal |
| 581 | 575 |
| 582 #endif // V8_FRAMES_H_ | 576 #endif // V8_FRAMES_H_ |
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