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Issue 942513002: Put the type feedback vector in the unoptimized JavaScript frame. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: ia32 lithium fix. Created 5 years, 10 months ago
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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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460 // Testers. 460 // Testers.
461 virtual bool is_standard() const { return true; } 461 virtual bool is_standard() const { return true; }
462 462
463 // Accessors. 463 // Accessors.
464 inline Object* context() const; 464 inline Object* context() const;
465 465
466 // Access the expressions in the stack frame including locals. 466 // Access the expressions in the stack frame including locals.
467 inline Object* GetExpression(int index) const; 467 inline Object* GetExpression(int index) const;
468 inline void SetExpression(int index, Object* value); 468 inline void SetExpression(int index, Object* value);
469 int ComputeExpressionsCount() const; 469 int ComputeExpressionsCount() const;
470 static Object* GetExpression(Address fp, int index); 470 static Object* GetStandardFrameExpression(Address fp, int index);
471 471
472 virtual void SetCallerFp(Address caller_fp); 472 virtual void SetCallerFp(Address caller_fp);
473 473
474 static StandardFrame* cast(StackFrame* frame) { 474 static StandardFrame* cast(StackFrame* frame) {
475 DCHECK(frame->is_standard()); 475 DCHECK(frame->is_standard());
476 return static_cast<StandardFrame*>(frame); 476 return static_cast<StandardFrame*>(frame);
477 } 477 }
478 478
479 protected: 479 protected:
480 inline explicit StandardFrame(StackFrameIteratorBase* iterator); 480 inline explicit StandardFrame(StackFrameIteratorBase* iterator);
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492 // Computes the address of the constant pool field in the standard 492 // Computes the address of the constant pool field in the standard
493 // frame given by the provided frame pointer. 493 // frame given by the provided frame pointer.
494 static inline Address ComputeConstantPoolAddress(Address fp); 494 static inline Address ComputeConstantPoolAddress(Address fp);
495 495
496 // Iterate over expression stack including stack handlers, locals, 496 // Iterate over expression stack including stack handlers, locals,
497 // and parts of the fixed part including context and code fields. 497 // and parts of the fixed part including context and code fields.
498 void IterateExpressions(ObjectVisitor* v) const; 498 void IterateExpressions(ObjectVisitor* v) const;
499 499
500 // Returns the address of the n'th expression stack element. 500 // Returns the address of the n'th expression stack element.
501 Address GetExpressionAddress(int n) const; 501 Address GetExpressionAddress(int n) const;
502 static Address GetExpressionAddress(Address fp, int n); 502 static Address GetStandardFrameExpressionAddress(Address fp, int n);
503 503
504 // Determines if the n'th expression stack element is in a stack 504 // Determines if the n'th expression stack element is in a stack
505 // handler or not. Requires traversing all handlers in this frame. 505 // handler or not. Requires traversing all handlers in this frame.
506 bool IsExpressionInsideHandler(int n) const; 506 bool IsExpressionInsideHandler(int n) const;
507 507
508 // Determines if the standard frame for the given frame pointer is 508 // Determines if the standard frame for the given frame pointer is
509 // an arguments adaptor frame. 509 // an arguments adaptor frame.
510 static inline bool IsArgumentsAdaptorFrame(Address fp); 510 static inline bool IsArgumentsAdaptorFrame(Address fp);
511 511
512 // Determines if the standard frame for the given frame pointer is a 512 // Determines if the standard frame for the given frame pointer is a
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701 virtual Type type() const { return ARGUMENTS_ADAPTOR; } 701 virtual Type type() const { return ARGUMENTS_ADAPTOR; }
702 702
703 // Determine the code for the frame. 703 // Determine the code for the frame.
704 virtual Code* unchecked_code() const; 704 virtual Code* unchecked_code() const;
705 705
706 static ArgumentsAdaptorFrame* cast(StackFrame* frame) { 706 static ArgumentsAdaptorFrame* cast(StackFrame* frame) {
707 DCHECK(frame->is_arguments_adaptor()); 707 DCHECK(frame->is_arguments_adaptor());
708 return static_cast<ArgumentsAdaptorFrame*>(frame); 708 return static_cast<ArgumentsAdaptorFrame*>(frame);
709 } 709 }
710 710
711 static int GetArgumentsLength(Address fp);
712
711 // Printing support. 713 // Printing support.
712 virtual void Print(StringStream* accumulator, 714 virtual void Print(StringStream* accumulator,
713 PrintMode mode, 715 PrintMode mode,
714 int index) const; 716 int index) const;
715 717
716 protected: 718 protected:
717 inline explicit ArgumentsAdaptorFrame(StackFrameIteratorBase* iterator); 719 inline explicit ArgumentsAdaptorFrame(StackFrameIteratorBase* iterator);
718 720
719 virtual int GetNumberOfIncomingArguments() const; 721 virtual int GetNumberOfIncomingArguments() const;
720 722
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937 }; 939 };
938 940
939 941
940 // Reads all frames on the current stack and copies them into the current 942 // Reads all frames on the current stack and copies them into the current
941 // zone memory. 943 // zone memory.
942 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); 944 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone);
943 945
944 } } // namespace v8::internal 946 } } // namespace v8::internal
945 947
946 #endif // V8_FRAMES_H_ 948 #endif // V8_FRAMES_H_
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