The Pedigree Project: X64PreparedPageRemap Class Reference

The Pedigree Project 0.1

Inheritance diagram for X64PreparedPageRemap:

Collaboration diagram for X64PreparedPageRemap:

Public Types
using	Status = VirtualAddressSpace::RemapStatus

using	Request = VirtualAddressSpace::PageRemapRequest

using	Detached = VirtualAddressSpace::DetachedPage

Public Member Functions
	X64PreparedPageRemap (X64VirtualAddressSpace &space, const Request &request)

Status	prepare (ssize_t &remaining)

Status	commit (VirtualAddressSpace::RemapAdmission admission, void *context) override

const Detached *	detachedPages () const override

size_t	detachedPageCount () const override

Private Member Functions
Status	lookup (uintptr_t address, uint64_t *&leaf)

bool	detach (uintptr_t address, Detached &result)

uint64_t *	ensureLeaf (uintptr_t address)

Private Attributes
X64VirtualAddressSpace &	m_Space

Request	m_Request

bool	m_Moved

size_t	m_Preserved

UniqueArray< Detached >	m_Detached

UniqueArray< unsigned char >	m_AllowedVictim

UniqueArray< physical_uintptr_t >	m_Spares

size_t	m_SpareCount

size_t	m_UsedSpares

bool	m_Committed

Detailed Description

Definition at line 35 of file VirtualAddressSpace-remap.cc.

Member Typedef Documentation

◆ Detached

using X64PreparedPageRemap::Detached = VirtualAddressSpace::DetachedPage

Definition at line 39 of file VirtualAddressSpace-remap.cc.

◆ Request

using X64PreparedPageRemap::Request = VirtualAddressSpace::PageRemapRequest

Definition at line 38 of file VirtualAddressSpace-remap.cc.

◆ Status

using X64PreparedPageRemap::Status = VirtualAddressSpace::RemapStatus

Definition at line 37 of file VirtualAddressSpace-remap.cc.

Constructor & Destructor Documentation

◆ X64PreparedPageRemap()

X64PreparedPageRemap::X64PreparedPageRemap	(	X64VirtualAddressSpace &	space,
		const Request &	request
	)

inline

Definition at line 41 of file VirtualAddressSpace-remap.cc.

◆ ~X64PreparedPageRemap()

X64PreparedPageRemap::~X64PreparedPageRemap ( )

inlineoverride

Definition at line 53 of file VirtualAddressSpace-remap.cc.

Member Function Documentation

◆ commit()

Status X64PreparedPageRemap::commit	(	VirtualAddressSpace::RemapAdmission	admission,
		void *	context
	)

inlineoverridevirtual

The callback cannot allocate, sleep or acquire another VAS lock.

Implements VirtualAddressSpace::PreparedPageRemap.

Definition at line 123 of file VirtualAddressSpace-remap.cc.

References Process::addressSpaceOwner(), Process::getAddressSpace(), Thread::getParent(), ProcessorBase::information(), X64VirtualAddressSpace::invalidateMapping(), and X64VirtualAddressSpace::m_Lock.

◆ detach()

bool X64PreparedPageRemap::detach	(	uintptr_t	address,
		Detached &	result
	)

inlineprivate

Definition at line 232 of file VirtualAddressSpace-remap.cc.

◆ detachedPageCount()

size_t X64PreparedPageRemap::detachedPageCount ( ) const

inlineoverridevirtual

Implements VirtualAddressSpace::PreparedPageRemap.

Definition at line 205 of file VirtualAddressSpace-remap.cc.

◆ detachedPages()

const Detached * X64PreparedPageRemap::detachedPages ( ) const

inlineoverridevirtual

Implements VirtualAddressSpace::PreparedPageRemap.

Definition at line 202 of file VirtualAddressSpace-remap.cc.

◆ ensureLeaf()

uint64_t * X64PreparedPageRemap::ensureLeaf ( uintptr_t address )

inlineprivate

Definition at line 246 of file VirtualAddressSpace-remap.cc.

◆ lookup()

Status X64PreparedPageRemap::lookup	(	uintptr_t	address,
		uint64_t *&	leaf
	)

inlineprivate

Definition at line 212 of file VirtualAddressSpace-remap.cc.

◆ prepare()

Status X64PreparedPageRemap::prepare ( ssize_t & remaining )

inline

Definition at line 59 of file VirtualAddressSpace-remap.cc.

Member Data Documentation

◆ m_AllowedVictim

UniqueArray<unsigned char> X64PreparedPageRemap::m_AllowedVictim

private

Definition at line 264 of file VirtualAddressSpace-remap.cc.

◆ m_Committed

bool X64PreparedPageRemap::m_Committed

private

Definition at line 267 of file VirtualAddressSpace-remap.cc.

◆ m_Detached

UniqueArray<Detached> X64PreparedPageRemap::m_Detached

private

Definition at line 263 of file VirtualAddressSpace-remap.cc.

◆ m_Moved

bool X64PreparedPageRemap::m_Moved

private

Definition at line 261 of file VirtualAddressSpace-remap.cc.

◆ m_Preserved

size_t X64PreparedPageRemap::m_Preserved

private

Definition at line 262 of file VirtualAddressSpace-remap.cc.

◆ m_Request

Request X64PreparedPageRemap::m_Request

private

Definition at line 260 of file VirtualAddressSpace-remap.cc.

◆ m_Space

X64VirtualAddressSpace& X64PreparedPageRemap::m_Space

private

Definition at line 259 of file VirtualAddressSpace-remap.cc.

◆ m_SpareCount

size_t X64PreparedPageRemap::m_SpareCount

private

Definition at line 266 of file VirtualAddressSpace-remap.cc.

◆ m_Spares

UniqueArray<physical_uintptr_t> X64PreparedPageRemap::m_Spares

private

Definition at line 265 of file VirtualAddressSpace-remap.cc.

◆ m_UsedSpares

size_t X64PreparedPageRemap::m_UsedSpares

private

Definition at line 266 of file VirtualAddressSpace-remap.cc.

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

VirtualAddressSpace-remap.cc