broom::Allocator Class Reference

#include <allocator.h>

Inheritance diagram for broom::Allocator:

Collaboration diagram for broom::Allocator:

Classes
struct	AllocatorStatistics

Public Member Functions
virtual	~Allocator ()=default
virtual bool	Grow (size_t requested_size, MemorySpace **space_to_update)=0
virtual size_t	LargeSpaceThreshold () const =0
virtual void *	Allocate (size_t requested_size)=0
virtual void	Dispose (void *definitely_uintptr)=0
virtual const void *	GetBasePointerOfMaybeInnerPointer (const void *maybe_inner) const =0
MemoryPressure	CalculateMemoryPressure () const

Static Public Attributes
static constexpr const int	kFrontMetadataSize
static constexpr const int	kBackMetadataSize = sizeof(AllocatorBackMetadata)
static constexpr const int	kTotalMetadataSize
static constexpr const size_t	kDefaultSpaceSize = 2 * MB
static constexpr const size_t	kDefaultLargeSpaceSize = 64 * MB
static constexpr const size_t	kDefaultLargeSpaceThreshold = 1 * MB
static constexpr const MemoryPermissions	kDefaultPermissions
static constexpr const size_t	kGiantMappingSize = kDefaultLargeSpaceSize

Protected Member Functions
	Allocator ()=default

Static Protected Member Functions
static void	PinBasePointer (const void *pointer, uint32_t how_many)
static void	UnpinBasePointer (const void *pointer)
static bool	IsPinnedBasePointer (const void *pointer)
static size_t	SpaceMask (size_t space_size)

Protected Attributes
AllocatorStatistics	stats_

Friends
class	GarbageCollector

Detailed Description

Definition at line 235 of file allocator.h.

Constructor & Destructor Documentation

~Allocator()

virtual broom::Allocator::~Allocator ( )

virtualdefault

Allocator()

broom::Allocator::Allocator ( )

protecteddefault

Member Function Documentation

Allocate()

virtual void * broom::Allocator::Allocate ( size_t  requested_size )

pure virtual

Implemented in broom::FreeListAllocator.

CalculateMemoryPressure()

MemoryPressure broom::Allocator::CalculateMemoryPressure ( ) const

inline

Definition at line 261 of file allocator.h.

Dispose()

virtual void broom::Allocator::Dispose ( void *  definitely_uintptr )

pure virtual

Implemented in broom::FreeListAllocator.

GetBasePointerOfMaybeInnerPointer()

virtual const void * broom::Allocator::GetBasePointerOfMaybeInnerPointer ( const void *  maybe_inner ) const

pure virtual

Implemented in broom::FreeListAllocator.

Grow()

virtual bool broom::Allocator::Grow ( size_t  requested_size, MemorySpace **  space_to_update  )

pure virtual

Implemented in broom::FreeListAllocator.

IsPinnedBasePointer()

static bool broom::Allocator::IsPinnedBasePointer ( const void *  pointer )

inlinestaticprotected

Definition at line 291 of file allocator.h.

LargeSpaceThreshold()

virtual size_t broom::Allocator::LargeSpaceThreshold ( ) const

pure virtual

Implemented in broom::FreeListAllocator.

PinBasePointer()

static void broom::Allocator::PinBasePointer ( const void *  pointer, uint32_t  how_many  )

inlinestaticprotected

Definition at line 281 of file allocator.h.

SpaceMask()

static size_t broom::Allocator::SpaceMask ( size_t  space_size )

inlinestaticprotected

Definition at line 296 of file allocator.h.

UnpinBasePointer()

static void broom::Allocator::UnpinBasePointer ( const void *  pointer )

inlinestaticprotected

Definition at line 286 of file allocator.h.

Friends And Related Symbol Documentation

GarbageCollector

friend class GarbageCollector

friend

Definition at line 303 of file allocator.h.

Member Data Documentation

kBackMetadataSize

constexpr const int broom::Allocator::kBackMetadataSize = sizeof(AllocatorBackMetadata)

staticconstexpr

Definition at line 240 of file allocator.h.

kDefaultLargeSpaceSize

constexpr const size_t broom::Allocator::kDefaultLargeSpaceSize = 64 * MB

staticconstexpr

Definition at line 245 of file allocator.h.

kDefaultLargeSpaceThreshold

constexpr const size_t broom::Allocator::kDefaultLargeSpaceThreshold = 1 * MB

staticconstexpr

Definition at line 246 of file allocator.h.

kDefaultPermissions

constexpr const MemoryPermissions broom::Allocator::kDefaultPermissions

staticconstexpr

Initial value:

=
      MemoryPermissions::kReadWrite

Definition at line 247 of file allocator.h.

kDefaultSpaceSize

constexpr const size_t broom::Allocator::kDefaultSpaceSize = 2 * MB

staticconstexpr

Definition at line 244 of file allocator.h.

kFrontMetadataSize

constexpr const int broom::Allocator::kFrontMetadataSize

staticconstexpr

Initial value:

=
      sizeof(AllocatorFrontMetadata)

Definition at line 238 of file allocator.h.

kGiantMappingSize

constexpr const size_t broom::Allocator::kGiantMappingSize = kDefaultLargeSpaceSize

staticconstexpr

Definition at line 249 of file allocator.h.

kTotalMetadataSize

constexpr const int broom::Allocator::kTotalMetadataSize

staticconstexpr

Initial value:

=
      kFrontMetadataSize + kBackMetadataSize

Definition at line 241 of file allocator.h.

stats_

AllocatorStatistics broom::Allocator::stats_

protected

Definition at line 302 of file allocator.h.

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

• src/allocator.h