rex::kernel::VirtualHeap Class Reference

Inheritance diagram for rex::kernel::VirtualHeap:

Public Member Functions
void	Initialize (kernel::GuestAddressSpace *memory, u8 *membase, HeapType heap_type, u32 heap_base, u32 heap_size, u32 page_size)
Public Member Functions inherited from rex::kernel::BaseHeap
virtual	~BaseHeap ()
u32	GetHeapBase () const
u32	GetHeapSize () const
u32	GetPageSize () const
HeapType	GetHeapType () const
u32	GetHostAddressOffset () const
template<typename T = u8*>
T	TranslateRelative (size_t relative_address) const
virtual void	Dispose ()
u32	GetTotalPageCount () const
u32	GetUnreservedPageCount () const
u32	GetReservedPageCount () const
u32	GetCommittedPages () const
void	PlotProfile () const
virtual bool	Alloc (u32 size, u32 alignment, u32 allocation_type, u32 protect, bool top_down, u32 *out_address)
virtual bool	AllocFixed (u32 base_address, u32 size, u32 alignment, u32 allocation_type, u32 protect)
virtual bool	AllocRange (u32 low_address, u32 high_address, u32 size, u32 alignment, u32 allocation_type, u32 protect, bool top_down, u32 *out_address)
virtual bool	AllocSystemHeap (u32 size, u32 alignment, u32 allocation_type, u32 protect, bool top_down, u32 *out_address)
virtual bool	Decommit (u32 address, u32 size)
virtual bool	Release (u32 address, u32 *out_region_size=nullptr)
bool	ReleaseRange (u32 address, u32 size, u32 *out_address, u32 *out_size)
virtual bool	Protect (u32 address, u32 size, u32 protect, u32 *old_protect=nullptr)
bool	QueryRegionInfo (u32 base_address, HeapAllocation *out_info)
bool	QuerySize (u32 address, u32 *out_size)
bool	QueryProtect (u32 address, u32 *out_protect)
rex::memory::PageAccess	QueryRangeAccess (u32 low_address, u32 high_address)
rex::memory::PageAccess	GetHostPageAccess (u32 host_page_number) const
bool	ReapplyHostPageAccess (void *host_address, bool is_write)

Additional Inherited Members
Protected Member Functions inherited from rex::kernel::BaseHeap
rex::memory::PageAccess	GetHostPageGuestAccess (u32 host_page_number) const
bool	SyncHostPageAccess (u32 start_page_number, u32 end_page_number)
virtual std::unique_lock< rex::platform::RankedMutex >	AcquireHostPageReconcileLock () const
u32	GetSystemRangeBase () const
bool	AllocFixedLocked (u32 base_address, u32 size, u32 alignment, u32 allocation_type, u32 protect)
bool	AllocRangeLocked (u32 low_address, u32 high_address, u32 size, u32 alignment, u32 allocation_type, u32 protect, bool top_down, u32 *out_address)
bool	DecommitLocked (u32 address, u32 size)
bool	ReleaseLocked (u32 address, u32 *out_region_size)
bool	ReleaseRangeLocked (u32 address, u32 size, u32 *out_address, u32 *out_size)
bool	ProtectLocked (u32 address, u32 size, u32 protect, u32 *old_protect)
bool	CheckProtectRangeLocked (u32 address, u32 size, u32 *out_start_page, u32 *out_end_page)
virtual bool	IsHostPageWriteWatched (u32 host_page_number) const
void	OnPageCommitted (u32 page_number)
void	OnPageDecommitted (u32 page_number)
void	Initialize (kernel::GuestAddressSpace *memory, u8 *membase, HeapType heap_type, u32 heap_base, u32 heap_size, u32 page_size, u32 host_address_offset=0)
Protected Attributes inherited from rex::kernel::BaseHeap
kernel::GuestAddressSpace *	memory_
u8 *	membase_
HeapType	heap_type_
u32	heap_base_
u32	heap_size_
u32	page_size_
u32	page_size_shift_ = 0
u32	host_address_offset_
u32	unreserved_page_count_ = 0
std::atomic< u32 >	committed_pages_ {0}
const char *	profile_pool_ = nullptr
const char *	profile_plot_ = nullptr
std::recursive_mutex	heap_mutex_
std::vector< PageEntry >	page_table_

Member Function Documentation

Initialize()

void rex::kernel::VirtualHeap::Initialize	(	kernel::GuestAddressSpace *	memory,
		u8 *	membase,
		HeapType	heap_type,
		u32	heap_base,
		u32	heap_size,
		u32	page_size )

Initializes the heap properties and allocates the page table.

Parameters

heap_base

The heap offset relative to membase.

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

• rex/kernel/heap.h