#include <spaces.h>

Inheritance diagram for NewSpacePage:

Collaboration diagram for NewSpacePage:

Public Member Functions
NewSpacePage *	next_page () const

void	set_next_page (NewSpacePage *page)

NewSpacePage *	prev_page () const

void	set_prev_page (NewSpacePage *page)

SemiSpace *	semi_space ()

bool	is_anchor ()

Address	address ()

Public Member Functions inherited from MemoryChunk
Address	address ()

bool	is_valid ()

MemoryChunk *	next_chunk () const

MemoryChunk *	prev_chunk () const

void	set_next_chunk (MemoryChunk *next)

void	set_prev_chunk (MemoryChunk *prev)

Space *	owner () const

void	set_owner (Space *space)

VirtualMemory *	reserved_memory ()

void	InitializeReservedMemory ()

void	set_reserved_memory (VirtualMemory *reservation)

bool	scan_on_scavenge ()

void	initialize_scan_on_scavenge (bool scan)

void	set_scan_on_scavenge (bool scan)

int	store_buffer_counter ()

void	set_store_buffer_counter (int counter)

bool	Contains (Address addr)

bool	ContainsLimit (Address addr)

void	SetFlag (int flag)

void	ClearFlag (int flag)

void	SetFlagTo (int flag, bool value)

bool	IsFlagSet (int flag)

void	SetFlags (intptr_t flags, intptr_t mask)

intptr_t	GetFlags ()

void	ResetLiveBytes ()

void	IncrementLiveBytes (int by)

int	LiveBytes ()

size_t	size () const

void	set_size (size_t size)

void	SetArea (Address area_start, Address area_end)

Executability	executable ()

bool	ContainsOnlyData ()

bool	InNewSpace ()

bool	InToSpace ()

bool	InFromSpace ()

Bitmap *	markbits ()

void	PrintMarkbits ()

uint32_t	AddressToMarkbitIndex (Address addr)

Address	MarkbitIndexToAddress (uint32_t index)

void	InsertAfter (MemoryChunk *other)

void	Unlink ()

Heap *	heap ()

bool	IsEvacuationCandidate ()

bool	ShouldSkipEvacuationSlotRecording ()

SkipList *	skip_list ()

void	set_skip_list (SkipList *skip_list)

SlotsBuffer *	slots_buffer ()

SlotsBuffer **	slots_buffer_address ()

void	MarkEvacuationCandidate ()

void	ClearEvacuationCandidate ()

Address	area_start ()

Address	area_end ()

int	area_size ()

Static Public Member Functions
static bool	IsAtStart (Address addr)

static bool	IsAtEnd (Address addr)

static NewSpacePage *	FromAddress (Address address_in_page)

static NewSpacePage *	FromLimit (Address address_limit)

Static Public Member Functions inherited from MemoryChunk
static MemoryChunk *	FromAddress (Address a)

static MemoryChunk *	FromAnyPointerAddress (Address addr)

static void	IncrementLiveBytesFromGC (Address address, int by)

static void	IncrementLiveBytesFromMutator (Address address, int by)

static uint32_t	FastAddressToMarkbitIndex (Address addr)

Static Public Attributes
static const intptr_t	kCopyOnFlipFlagsMask

static const int	kAreaSize = Page::kNonCodeObjectAreaSize

Static Public Attributes inherited from MemoryChunk
static const int	kPointersToHereAreInterestingMask

static const int	kPointersFromHereAreInterestingMask

static const int	kEvacuationCandidateMask

static const int	kSkipEvacuationSlotsRecordingMask

static const intptr_t	kAlignment

static const intptr_t	kAlignmentMask = kAlignment - 1

static const intptr_t	kSizeOffset = kPointerSize + kPointerSize

static const intptr_t	kLiveBytesOffset

static const size_t	kSlotsBufferOffset = kLiveBytesOffset + kIntSize

static const size_t	kHeaderSize

static const int	kBodyOffset

static const int	kObjectStartAlignment = 32 * kPointerSize

static const int	kObjectStartOffset

static const int	kFlagsOffset = kPointerSize * 3

Friends
class	SemiSpace

class	SemiSpaceIterator

Additional Inherited Members
Public Types inherited from MemoryChunk
enum	MemoryChunkFlags { IS_EXECUTABLE, ABOUT_TO_BE_FREED, POINTERS_TO_HERE_ARE_INTERESTING, POINTERS_FROM_HERE_ARE_INTERESTING, SCAN_ON_SCAVENGE, IN_FROM_SPACE, IN_TO_SPACE, NEW_SPACE_BELOW_AGE_MARK, CONTAINS_ONLY_DATA, EVACUATION_CANDIDATE, RESCAN_ON_EVACUATION, WAS_SWEPT_PRECISELY, WAS_SWEPT_CONSERVATIVELY, NUM_MEMORY_CHUNK_FLAGS }

Static Protected Member Functions inherited from MemoryChunk
static MemoryChunk *	Initialize (Heap heap, Address base, size_t size, Address area_start, Address area_end, Executability executable, Space owner)

Protected Attributes inherited from MemoryChunk
MemoryChunk *	next_chunk_

MemoryChunk *	prev_chunk_

size_t	size_

intptr_t	flags_

Address	area_start_

Address	area_end_

VirtualMemory	reservation_

Address	owner_

Heap *	heap_

int	store_buffer_counter_

int	live_byte_count_

SlotsBuffer *	slots_buffer_

SkipList *	skip_list_

Detailed Description

Definition at line 1727 of file spaces.h.

Member Function Documentation

Address address ( )

inline

Definition at line 1769 of file spaces.h.

Referenced by PromotionQueue::ActivateGuardIfOnTheSamePage().

static NewSpacePage* FromAddress ( Address address_in_page )

inlinestatic

Definition at line 1774 of file spaces.h.

References Page::kPageAlignmentMask.

Referenced by NewSpacePage::FromLimit(), PromotionQueue::insert(), PromotionQueue::remove(), Heap::ShouldBePromoted(), and SemiSpace::ShrinkTo().

static NewSpacePage* FromLimit ( Address address_limit )

inlinestatic

Definition at line 1784 of file spaces.h.

References NewSpacePage::FromAddress().

Referenced by NewSpace::AddFreshPage(), SemiSpaceIterator::Next(), and SemiSpace::set_age_mark().

bool is_anchor ( )

inline

Definition at line 1758 of file spaces.h.

References MemoryChunk::InNewSpace().

Referenced by PromotionQueue::insert(), SemiSpaceIterator::Next(), and PromotionQueue::remove().

static bool IsAtEnd ( Address addr )

inlinestatic

Definition at line 1765 of file spaces.h.

References Page::kPageAlignmentMask.

Referenced by SemiSpaceIterator::Next().

static bool IsAtStart ( Address addr )

inlinestatic

Definition at line 1760 of file spaces.h.

References MemoryChunk::kObjectStartOffset, and Page::kPageAlignmentMask.

Referenced by NewSpace::AddFreshPage(), PromotionQueue::insert(), and PromotionQueue::remove().

NewSpacePage* next_page ( ) const

inline

Definition at line 1738 of file spaces.h.

References MemoryChunk::next_chunk().

Referenced by SemiSpace::AdvancePage(), SemiSpace::first_page(), SemiSpaceIterator::Next(), SemiSpace::Reset(), SemiSpace::space_start(), and SemiSpace::Swap().

NewSpacePage* prev_page ( ) const

inline

Definition at line 1746 of file spaces.h.

References MemoryChunk::prev_chunk().

Referenced by SemiSpace::GrowTo(), PromotionQueue::insert(), PromotionQueue::remove(), and SemiSpace::space_end().

SemiSpace* semi_space ( )

inline

Definition at line 1754 of file spaces.h.

References MemoryChunk::owner().

void set_next_page ( NewSpacePage * page )

inline

Definition at line 1742 of file spaces.h.

References MemoryChunk::set_next_chunk().

Referenced by SemiSpace::ShrinkTo(), and SemiSpace::Uncommit().

void set_prev_page ( NewSpacePage * page )

inline

Definition at line 1750 of file spaces.h.

References MemoryChunk::set_prev_chunk().

Referenced by SemiSpace::ShrinkTo(), and SemiSpace::Uncommit().

Friends And Related Function Documentation

friend class SemiSpace

friend

Definition at line 1804 of file spaces.h.

friend class SemiSpaceIterator

friend

Definition at line 1805 of file spaces.h.

Field Documentation

const int kAreaSize = Page::kNonCodeObjectAreaSize

static

Definition at line 1736 of file spaces.h.

Referenced by NewSpace::EffectiveCapacity(), and NewSpace::Size().

const intptr_t kCopyOnFlipFlagsMask

static

Initial value:

=
    (1 << MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING) |
    (1 << MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING) |
    (1 << MemoryChunk::SCAN_ON_SCAVENGE)

Definition at line 1731 of file spaces.h.

Referenced by SemiSpace::GrowTo(), and SemiSpace::Swap().

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

src/spaces.h
src/spaces.cc

Public Member Functions

Static Public Member Functions

Static Public Attributes

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

Friends And Related Function Documentation

Field Documentation