v8::internal::MarkBit Class Reference

#include <spaces.h>

Collaboration diagram for v8::internal::MarkBit:

Public Types
typedef uint32_t	CellType

Public Member Functions
	MarkBit (CellType *cell, CellType mask, bool data_only)
CellType *	cell ()
CellType	mask ()
void	Set ()
bool	Get ()
void	Clear ()
bool	data_only ()
MarkBit	Next ()

Private Attributes
CellType *	cell_
CellType	mask_
bool	data_only_

Detailed Description

Definition at line 101 of file spaces.h.

Member Typedef Documentation

CellType

typedef uint32_t v8::internal::MarkBit::CellType

Definition at line 103 of file spaces.h.

Constructor & Destructor Documentation

MarkBit()

v8::internal::MarkBit::MarkBit ( CellType *  cell, CellType  mask, bool  data_only  )

inline

Definition at line 105 of file spaces.h.

      : cell_(cell), mask_(mask), data_only_(data_only) {}

Referenced by Next().

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Member Function Documentation

cell()

CellType* v8::internal::MarkBit::cell ( )

inline

Definition at line 108 of file spaces.h.

{ return cell_; }

References cell_.

Referenced by v8::internal::SetMarkBitsUnderInvalidatedCode().

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Clear()

void v8::internal::MarkBit::Clear ( )

inline

Definition at line 119 of file spaces.h.

{ *cell_ &= ~mask_; }

References cell_, and mask_.

Referenced by v8::internal::MarkCompactCollector::ClearMarkbits(), v8::internal::LargeObjectSpace::FreeUnmarkedObjects(), v8::internal::Marking::INLINE(), and v8::internal::Marking::TransferMark().

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data_only()

bool v8::internal::MarkBit::data_only ( )

inline

Definition at line 121 of file spaces.h.

{ return data_only_; }

References data_only_.

Referenced by v8::internal::IncrementalMarkingMarkingVisitor::INLINE(), and v8::internal::IncrementalMarkingRootMarkingVisitor::MarkObjectByPointer().

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Get()

bool v8::internal::MarkBit::Get ( )

inline

Definition at line 118 of file spaces.h.

{ return (*cell_ & mask_) != 0; }

References cell_, and mask_.

Referenced by v8::internal::MarkCompactCollector::ClearNonLiveMapTransitions(), v8::internal::MarkCompactCollector::ClearNonLiveReferences(), v8::internal::LargeObjectSpace::FreeUnmarkedObjects(), v8::internal::Marking::INLINE(), v8::internal::MarkCompactMarkingVisitor::INLINE(), v8::internal::IsOnInvalidatedCodeObject(), v8::internal::MarkCompactCollector::IsUnmarkedHeapObject(), v8::internal::MarkCompactCollector::IsUnmarkedHeapObjectWithHeap(), v8::internal::MarkBlackOrKeepGrey(), v8::internal::RootMarkingVisitor::MarkObjectByPointer(), v8::internal::MarkCompactCollector::MarkStringTable(), v8::internal::CodeFlusher::ProcessJSFunctionCandidates(), v8::internal::CodeFlusher::ProcessSharedFunctionInfoCandidates(), v8::internal::UnreachableObjectsFilter::SkipObject(), and v8::internal::UnreachableObjectsFilter::MarkingVisitor::VisitPointers().

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mask()

CellType v8::internal::MarkBit::mask ( )

inline

Definition at line 109 of file spaces.h.

{ return mask_; }

References mask_.

Referenced by v8::internal::SetMarkBitsUnderInvalidatedCode().

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Next()

MarkBit v8::internal::MarkBit::Next ( )

inline

Definition at line 123 of file spaces.h.

                        {
    CellType new_mask = mask_ << 1;
    if (new_mask == 0) {
      return MarkBit(cell_ + 1, 1, data_only_);
    } else {
      return MarkBit(cell_, new_mask, data_only_);
    }
  }

References cell_, data_only_, MarkBit(), and mask_.

Referenced by v8::internal::MarkCompactCollector::ClearMarkbits(), v8::internal::Marking::INLINE(), and v8::internal::Marking::TransferMark().

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Set()

void v8::internal::MarkBit::Set ( )

inline

Definition at line 117 of file spaces.h.

{ *cell_ |= mask_; }

References cell_, and mask_.

Referenced by v8::internal::IncrementalMarkingMarkingVisitor::INLINE(), v8::internal::Marking::INLINE(), v8::internal::MarkBlackOrKeepGrey(), and v8::internal::UnreachableObjectsFilter::MarkingVisitor::VisitPointers().

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Member Data Documentation

cell_

CellType* v8::internal::MarkBit::cell_

private

Definition at line 133 of file spaces.h.

Referenced by cell(), Clear(), Get(), Next(), and Set().

data_only_

bool v8::internal::MarkBit::data_only_

private

Definition at line 139 of file spaces.h.

Referenced by data_only(), and Next().

mask_

CellType v8::internal::MarkBit::mask_

private

Definition at line 134 of file spaces.h.

Referenced by Clear(), Get(), mask(), Next(), and Set().

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The documentation for this class was generated from the following file:

• /mnt/V8SourceCode/src/heap/spaces.h