LLDB: lldb_private::MemoryCache Class Reference

LLDB mainline

#include <Memory.h>

Public Member Functions
	MemoryCache (Process &process)

	~MemoryCache ()

void	Clear (bool clear_invalid_ranges=false)

void	Flush (lldb::addr_t addr, size_t size)

size_t	Read (lldb::addr_t addr, void *dst, size_t dst_len, Status &error)

uint32_t	GetMemoryCacheLineSize () const

void	AddInvalidRange (lldb::addr_t base_addr, lldb::addr_t byte_size)

bool	RemoveInvalidRange (lldb::addr_t base_addr, lldb::addr_t byte_size)

void	AddL1CacheData (lldb::addr_t addr, const void *src, size_t src_len)

void	AddL1CacheData (lldb::addr_t addr, const lldb::DataBufferSP &data_buffer_sp)

Protected Types
typedef std::map< lldb::addr_t, lldb::DataBufferSP >	BlockMap

typedef RangeVector< lldb::addr_t, lldb::addr_t, 4 >	InvalidRanges

typedef Range< lldb::addr_t, lldb::addr_t >	AddrRange

Protected Attributes
std::recursive_mutex	m_mutex

BlockMap	m_L1_cache

BlockMap	m_L2_cache

InvalidRanges	m_invalid_ranges

Process &	m_process

uint32_t	m_L2_cache_line_byte_size

Private Member Functions
	MemoryCache (const MemoryCache &)=delete

const MemoryCache &	operator= (const MemoryCache &)=delete

lldb::DataBufferSP	GetL2CacheLine (lldb::addr_t addr, Status &error)

Detailed Description

Definition at line 21 of file Memory.h.

Member Typedef Documentation

◆ AddrRange

typedef Range<lldb::addr_t, lldb::addr_t> lldb_private::MemoryCache::AddrRange

protected

Definition at line 49 of file Memory.h.

◆ BlockMap

typedef std::map<lldb::addr_t, lldb::DataBufferSP> lldb_private::MemoryCache::BlockMap

protected

Definition at line 47 of file Memory.h.

◆ InvalidRanges

typedef RangeVector<lldb::addr_t, lldb::addr_t, 4> lldb_private::MemoryCache::InvalidRanges

protected

Definition at line 48 of file Memory.h.

Constructor & Destructor Documentation

◆ MemoryCache() [1/2]

MemoryCache::MemoryCache ( Process & process )

Definition at line 24 of file Memory.cpp.

◆ ~MemoryCache()

MemoryCache::~MemoryCache ( )

default

◆ MemoryCache() [2/2]

lldb_private::MemoryCache::MemoryCache ( const MemoryCache & )

privatedelete

Member Function Documentation

◆ AddInvalidRange()

void MemoryCache::AddInvalidRange	(	lldb::addr_t	base_addr,
		lldb::addr_t	byte_size
	)

Definition at line 101 of file Memory.cpp.

References lldb_private::RangeVector< B, S, N >::Append(), m_invalid_ranges, m_mutex, and lldb_private::RangeVector< B, S, N >::Sort().

Referenced by lldb_private::Process::AddInvalidMemoryRegion().

◆ AddL1CacheData() [1/2]

void MemoryCache::AddL1CacheData	(	lldb::addr_t	addr,
		const lldb::DataBufferSP &	data_buffer_sp
	)

Definition at line 47 of file Memory.cpp.

References m_L1_cache, and m_mutex.

◆ AddL1CacheData() [2/2]

void MemoryCache::AddL1CacheData	(	lldb::addr_t	addr,
		const void *	src,
		size_t	src_len
	)

Definition at line 41 of file Memory.cpp.

References AddL1CacheData().

Referenced by AddL1CacheData(), Read(), and lldb_private::process_gdb_remote::ProcessGDBRemote::SetThreadStopInfo().

◆ Clear()

void MemoryCache::Clear ( bool clear_invalid_ranges = false )

Definition at line 32 of file Memory.cpp.

References lldb_private::RangeVector< B, S, N >::Clear(), lldb_private::ProcessProperties::GetMemoryCacheLineSize(), m_invalid_ranges, m_L1_cache, m_L2_cache, m_L2_cache_line_byte_size, m_mutex, and m_process.

Referenced by lldb_private::Process::DidExec(), lldb_private::Process::Finalize(), and lldb_private::Process::SetPrivateState().

◆ Flush()

void MemoryCache::Flush	(	lldb::addr_t	addr,
		size_t	size
	)

Definition at line 53 of file Memory.cpp.

References lldb_private::Range< B, S >::DoesIntersect(), m_L1_cache, m_L2_cache, m_L2_cache_line_byte_size, m_mutex, and UINT64_MAX.

Referenced by lldb_private::Process::WriteMemory().

◆ GetL2CacheLine()

lldb::DataBufferSP MemoryCache::GetL2CacheLine	(	lldb::addr_t	addr,
		Status &	error
	)

private

Definition at line 126 of file Memory.cpp.

References error(), m_L2_cache, m_L2_cache_line_byte_size, m_mutex, m_process, and lldb_private::Process::ReadMemoryFromInferior().

Referenced by Read().

◆ GetMemoryCacheLineSize()

uint32_t lldb_private::MemoryCache::GetMemoryCacheLineSize ( ) const

inline

Definition at line 34 of file Memory.h.

References m_L2_cache_line_byte_size.

Referenced by lldb_private::Process::ReadCStringFromMemory().

◆ operator=()

const MemoryCache & lldb_private::MemoryCache::operator= ( const MemoryCache & )

privatedelete

◆ Read()

size_t MemoryCache::Read	(	lldb::addr_t	addr,
		void *	dst,
		size_t	dst_len,
		Status &	error
	)

Definition at line 154 of file Memory.cpp.

References AddL1CacheData(), lldb_private::Range< B, S >::Contains(), error(), lldb_private::RangeVector< B, S, N >::FindEntryThatContains(), lldb_private::Status::FromErrorStringWithFormat(), GetL2CacheLine(), lldb_private::Range< B, S >::GetRangeBase(), m_invalid_ranges, m_L1_cache, m_L2_cache_line_byte_size, m_mutex, m_process, and lldb_private::Process::ReadMemoryFromInferior().

Referenced by lldb_private::Process::ReadMemory().

◆ RemoveInvalidRange()

bool MemoryCache::RemoveInvalidRange	(	lldb::addr_t	base_addr,
		lldb::addr_t	byte_size
	)

Definition at line 111 of file Memory.cpp.

References lldb_private::RangeVector< B, S, N >::FindEntryIndexThatContains(), lldb_private::Range< B, S >::GetByteSize(), lldb_private::RangeVector< B, S, N >::GetEntryAtIndex(), lldb_private::Range< B, S >::GetRangeBase(), m_invalid_ranges, m_mutex, lldb_private::RangeVector< B, S, N >::RemoveEntryAtIndex(), and UINT32_MAX.

Referenced by lldb_private::Process::RemoveInvalidMemoryRange().

Member Data Documentation

◆ m_invalid_ranges

InvalidRanges lldb_private::MemoryCache::m_invalid_ranges

protected

Definition at line 57 of file Memory.h.

Referenced by AddInvalidRange(), Clear(), Read(), and RemoveInvalidRange().

◆ m_L1_cache

BlockMap lldb_private::MemoryCache::m_L1_cache

protected

Definition at line 52 of file Memory.h.

Referenced by AddL1CacheData(), Clear(), Flush(), and Read().

◆ m_L2_cache

BlockMap lldb_private::MemoryCache::m_L2_cache

protected

Definition at line 55 of file Memory.h.

Referenced by Clear(), Flush(), and GetL2CacheLine().

◆ m_L2_cache_line_byte_size

uint32_t lldb_private::MemoryCache::m_L2_cache_line_byte_size

protected

Definition at line 59 of file Memory.h.

Referenced by Clear(), Flush(), GetL2CacheLine(), GetMemoryCacheLineSize(), and Read().

◆ m_mutex

std::recursive_mutex lldb_private::MemoryCache::m_mutex

protected

Definition at line 51 of file Memory.h.

Referenced by AddInvalidRange(), AddL1CacheData(), Clear(), Flush(), GetL2CacheLine(), Read(), and RemoveInvalidRange().

◆ m_process

Process& lldb_private::MemoryCache::m_process

protected

Definition at line 58 of file Memory.h.

Referenced by Clear(), GetL2CacheLine(), and Read().

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