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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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623 return IsConstructFrame(fp); | 623 return IsConstructFrame(fp); |
624 } | 624 } |
625 | 625 |
626 | 626 |
627 Code* JavaScriptFrame::unchecked_code() const { | 627 Code* JavaScriptFrame::unchecked_code() const { |
628 JSFunction* function = JSFunction::cast(this->function()); | 628 JSFunction* function = JSFunction::cast(this->function()); |
629 return function->unchecked_code(); | 629 return function->unchecked_code(); |
630 } | 630 } |
631 | 631 |
632 | 632 |
633 int JavaScriptFrame::GetProvidedParametersCount() const { | |
634 return ComputeParametersCount(); | |
635 } | |
636 | |
637 | |
638 Address JavaScriptFrame::GetCallerStackPointer() const { | 633 Address JavaScriptFrame::GetCallerStackPointer() const { |
639 int arguments; | 634 int arguments; |
640 if (Heap::gc_state() != Heap::NOT_IN_GC || | 635 if (Heap::gc_state() != Heap::NOT_IN_GC || |
641 SafeStackFrameIterator::is_active()) { | 636 SafeStackFrameIterator::is_active()) { |
642 // If the we are currently iterating the safe stack the | 637 // If the we are currently iterating the safe stack the |
643 // arguments for frames are traversed as if they were | 638 // arguments for frames are traversed as if they were |
644 // expression stack elements of the calling frame. The reason for | 639 // expression stack elements of the calling frame. The reason for |
645 // this rather strange decision is that we cannot access the | 640 // this rather strange decision is that we cannot access the |
646 // function during mark-compact GCs when objects may have been marked. | 641 // function during mark-compact GCs when objects may have been marked. |
647 // In fact accessing heap objects (like function->shared() below) | 642 // In fact accessing heap objects (like function->shared() below) |
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1223 ZoneList<StackFrame*> list(10); | 1218 ZoneList<StackFrame*> list(10); |
1224 for (StackFrameIterator it; !it.done(); it.Advance()) { | 1219 for (StackFrameIterator it; !it.done(); it.Advance()) { |
1225 StackFrame* frame = AllocateFrameCopy(it.frame()); | 1220 StackFrame* frame = AllocateFrameCopy(it.frame()); |
1226 list.Add(frame); | 1221 list.Add(frame); |
1227 } | 1222 } |
1228 return list.ToVector(); | 1223 return list.ToVector(); |
1229 } | 1224 } |
1230 | 1225 |
1231 | 1226 |
1232 } } // namespace v8::internal | 1227 } } // namespace v8::internal |
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