#include <NativeRegisterContextDBReg.h>

Inheritance diagram for lldb_private::NativeRegisterContextDBReg:

[legend]

Classes
struct	DREG
	Debug register info for hardware breakpoints and watchpoints management. More...

struct	WatchpointDetails

Public Member Functions
	NativeRegisterContextDBReg (uint32_t enable_bit)

uint32_t	NumSupportedHardwareBreakpoints () override

uint32_t	SetHardwareBreakpoint (lldb::addr_t addr, size_t size) override

bool	ClearHardwareBreakpoint (uint32_t hw_idx) override

Status	ClearAllHardwareBreakpoints () override

Status	GetHardwareBreakHitIndex (uint32_t &bp_index, lldb::addr_t trap_addr) override

uint32_t	NumSupportedHardwareWatchpoints () override

uint32_t	SetHardwareWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags) override

bool	ClearHardwareWatchpoint (uint32_t hw_index) override

Status	ClearAllHardwareWatchpoints () override

Status	GetWatchpointHitIndex (uint32_t &wp_index, lldb::addr_t trap_addr) override

lldb::addr_t	GetWatchpointHitAddress (uint32_t wp_index) override

lldb::addr_t	GetWatchpointAddress (uint32_t wp_index) override

Public Member Functions inherited from lldb_private::NativeRegisterContextRegisterInfo
	NativeRegisterContextRegisterInfo (NativeThreadProtocol &thread, RegisterInfoInterface *register_info_interface)
	Construct a NativeRegisterContextRegisterInfo, taking ownership of the register_info_interface pointer.

uint32_t	GetRegisterCount () const override

uint32_t	GetUserRegisterCount () const override

const RegisterInfo *	GetRegisterInfoAtIndex (uint32_t reg_index) const override

const RegisterInfoInterface &	GetRegisterInfoInterface () const

Public Member Functions inherited from lldb_private::NativeRegisterContext
	NativeRegisterContext (NativeThreadProtocol &thread)

virtual	~NativeRegisterContext ()

virtual uint32_t	GetRegisterCount () const =0

virtual uint32_t	GetUserRegisterCount () const =0

virtual const RegisterInfo *	GetRegisterInfoAtIndex (uint32_t reg) const =0

const char *	GetRegisterSetNameForRegisterAtIndex (uint32_t reg_index) const

virtual uint32_t	GetRegisterSetCount () const =0

virtual const RegisterSet *	GetRegisterSet (uint32_t set_index) const =0

virtual Status	ReadRegister (const RegisterInfo *reg_info, RegisterValue &reg_value)=0

virtual Status	WriteRegister (const RegisterInfo *reg_info, const RegisterValue &reg_value)=0

virtual Status	ReadAllRegisterValues (lldb::WritableDataBufferSP &data_sp)=0

virtual Status	WriteAllRegisterValues (const lldb::DataBufferSP &data_sp)=0

uint32_t	ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num) const

virtual uint32_t	NumSupportedHardwareBreakpoints ()

virtual uint32_t	SetHardwareBreakpoint (lldb::addr_t addr, size_t size)

virtual bool	ClearHardwareBreakpoint (uint32_t hw_idx)

virtual Status	ClearAllHardwareBreakpoints ()

virtual Status	GetHardwareBreakHitIndex (uint32_t &bp_index, lldb::addr_t trap_addr)

virtual uint32_t	NumSupportedHardwareWatchpoints ()

virtual uint32_t	SetHardwareWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags)

virtual bool	ClearHardwareWatchpoint (uint32_t hw_index)

virtual Status	ClearWatchpointHit (uint32_t hw_index)

virtual Status	ClearAllHardwareWatchpoints ()

virtual Status	IsWatchpointHit (uint32_t wp_index, bool &is_hit)

virtual Status	GetWatchpointHitIndex (uint32_t &wp_index, lldb::addr_t trap_addr)

virtual Status	IsWatchpointVacant (uint32_t wp_index, bool &is_vacant)

virtual lldb::addr_t	GetWatchpointAddress (uint32_t wp_index)

virtual lldb::addr_t	GetWatchpointHitAddress (uint32_t wp_index)

virtual bool	HardwareSingleStep (bool enable)

virtual Status	ReadRegisterValueFromMemory (const lldb_private::RegisterInfo *reg_info, lldb::addr_t src_addr, size_t src_len, RegisterValue &reg_value)

virtual Status	WriteRegisterValueToMemory (const lldb_private::RegisterInfo *reg_info, lldb::addr_t dst_addr, size_t dst_len, const RegisterValue &reg_value)

virtual lldb::tid_t	GetThreadID () const

virtual NativeThreadProtocol &	GetThread ()

virtual std::vector< uint32_t >	GetExpeditedRegisters (ExpeditedRegs expType) const

virtual bool	RegisterOffsetIsDynamic () const

const RegisterInfo *	GetRegisterInfoByName (llvm::StringRef reg_name, uint32_t start_idx=0)

const RegisterInfo *	GetRegisterInfo (uint32_t reg_kind, uint32_t reg_num)

lldb::addr_t	GetPC (lldb::addr_t fail_value=LLDB_INVALID_ADDRESS)

virtual lldb::addr_t	GetPCfromBreakpointLocation (lldb::addr_t fail_value=LLDB_INVALID_ADDRESS)

Status	SetPC (lldb::addr_t pc)

lldb::addr_t	GetSP (lldb::addr_t fail_value=LLDB_INVALID_ADDRESS)

Status	SetSP (lldb::addr_t sp)

lldb::addr_t	GetFP (lldb::addr_t fail_value=LLDB_INVALID_ADDRESS)

Status	SetFP (lldb::addr_t fp)

const char *	GetRegisterName (uint32_t reg)

lldb::addr_t	GetReturnAddress (lldb::addr_t fail_value=LLDB_INVALID_ADDRESS)

lldb::addr_t	GetFlags (lldb::addr_t fail_value=0)

lldb::addr_t	ReadRegisterAsUnsigned (uint32_t reg, lldb::addr_t fail_value)

lldb::addr_t	ReadRegisterAsUnsigned (const RegisterInfo *reg_info, lldb::addr_t fail_value)

Status	WriteRegisterFromUnsigned (uint32_t reg, uint64_t uval)

Status	WriteRegisterFromUnsigned (const RegisterInfo *reg_info, uint64_t uval)

Protected Types
enum	DREGType { eDREGTypeWATCH = 0 , eDREGTypeBREAK }

Protected Member Functions
bool	WatchpointIsEnabled (uint32_t wp_index)

bool	BreakpointIsEnabled (uint32_t bp_index)

bool	ValidateBreakpoint (size_t size, lldb::addr_t addr)

virtual std::optional< WatchpointDetails >	AdjustWatchpoint (const WatchpointDetails &details)=0

virtual uint32_t	MakeBreakControlValue (size_t size)=0

virtual uint32_t	MakeWatchControlValue (size_t size, uint32_t watch_flags)=0

virtual uint32_t	GetWatchpointSize (uint32_t wp_index)=0

virtual llvm::Error	ReadHardwareDebugInfo ()=0

virtual llvm::Error	WriteHardwareDebugRegs (DREGType hwbType)=0

virtual lldb::addr_t	FixWatchpointHitAddress (lldb::addr_t hit_addr)

Protected Attributes
std::array< struct DREG, 16 >	m_hbp_regs

std::array< struct DREG, 16 >	m_hwp_regs

uint32_t	m_max_hbp_supported

uint32_t	m_max_hwp_supported

const uint32_t	m_hw_dbg_enable_bit

Protected Attributes inherited from lldb_private::NativeRegisterContextRegisterInfo
std::unique_ptr< RegisterInfoInterface >	m_register_info_interface_up

Protected Attributes inherited from lldb_private::NativeRegisterContext
NativeThreadProtocol &	m_thread

Detailed Description

Definition at line 21 of file NativeRegisterContextDBReg.h.

Member Enumeration Documentation

◆ DREGType

enum lldb_private::NativeRegisterContextDBReg::DREGType

protected

Enumerator
eDREGTypeWATCH
eDREGTypeBREAK

Definition at line 56 of file NativeRegisterContextDBReg.h.

Constructor & Destructor Documentation

◆ NativeRegisterContextDBReg()

lldb_private::NativeRegisterContextDBReg::NativeRegisterContextDBReg ( uint32_t enable_bit )

inlineexplicit

Definition at line 24 of file NativeRegisterContextDBReg.h.

Member Function Documentation

◆ AdjustWatchpoint()

virtual std::optional< WatchpointDetails > lldb_private::NativeRegisterContextDBReg::AdjustWatchpoint ( const WatchpointDetails & details )

protectedpure virtual

Implemented in lldb_private::NativeRegisterContextDBReg_arm64, and lldb_private::NativeRegisterContextDBReg_loongarch.

Referenced by SetHardwareWatchpoint().

◆ BreakpointIsEnabled()

bool NativeRegisterContextDBReg::BreakpointIsEnabled ( uint32_t bp_index )

protected

Definition at line 183 of file NativeRegisterContextDBReg.cpp.

References m_hbp_regs, and m_hw_dbg_enable_bit.

Referenced by ClearAllHardwareBreakpoints(), GetHardwareBreakHitIndex(), and SetHardwareBreakpoint().

◆ ClearAllHardwareBreakpoints()

Status NativeRegisterContextDBReg::ClearAllHardwareBreakpoints ( )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 148 of file NativeRegisterContextDBReg.cpp.

References BreakpointIsEnabled(), lldb_private::Breakpoints, eDREGTypeBREAK, error(), lldb_private::Status::FromError(), lldb_private::GetLog(), LLDB_LOGF, m_hbp_regs, m_max_hbp_supported, ReadHardwareDebugInfo(), and WriteHardwareDebugRegs().

◆ ClearAllHardwareWatchpoints()

Status NativeRegisterContextDBReg::ClearAllHardwareWatchpoints ( )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 316 of file NativeRegisterContextDBReg.cpp.

References eDREGTypeWATCH, error(), lldb_private::Status::FromError(), m_hwp_regs, m_max_hwp_supported, ReadHardwareDebugInfo(), WatchpointIsEnabled(), and WriteHardwareDebugRegs().

◆ ClearHardwareBreakpoint()

bool NativeRegisterContextDBReg::ClearHardwareBreakpoint ( uint32_t hw_idx )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 87 of file NativeRegisterContextDBReg.cpp.

References lldb_private::Breakpoints, eDREGTypeBREAK, error(), lldb_private::GetLog(), LLDB_LOG, LLDB_LOG_ERROR, m_hbp_regs, m_max_hbp_supported, ReadHardwareDebugInfo(), and WriteHardwareDebugRegs().

◆ ClearHardwareWatchpoint()

bool NativeRegisterContextDBReg::ClearHardwareWatchpoint ( uint32_t hw_index )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 276 of file NativeRegisterContextDBReg.cpp.

References eDREGTypeWATCH, error(), lldb_private::GetLog(), LLDB_INVALID_INDEX32, LLDB_LOG, LLDB_LOG_ERROR, m_hwp_regs, m_max_hwp_supported, ReadHardwareDebugInfo(), lldb_private::Watchpoints, and WriteHardwareDebugRegs().

◆ FixWatchpointHitAddress()

virtual lldb::addr_t lldb_private::NativeRegisterContextDBReg::FixWatchpointHitAddress ( lldb::addr_t hit_addr )

inlineprotectedvirtual

Definition at line 94 of file NativeRegisterContextDBReg.h.

Referenced by GetWatchpointHitIndex().

◆ GetHardwareBreakHitIndex()

Status NativeRegisterContextDBReg::GetHardwareBreakHitIndex	(	uint32_t &	bp_index,
		lldb::addr_t	trap_addr
	)

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 127 of file NativeRegisterContextDBReg.cpp.

References BreakpointIsEnabled(), lldb_private::Breakpoints, lldb_private::GetLog(), LLDB_INVALID_INDEX32, LLDB_LOGF, m_hbp_regs, and m_max_hbp_supported.

◆ GetWatchpointAddress()

lldb::addr_t NativeRegisterContextDBReg::GetWatchpointAddress ( uint32_t wp_index )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 386 of file NativeRegisterContextDBReg.cpp.

References lldb_private::GetLog(), LLDB_INVALID_ADDRESS, LLDB_LOG, m_hwp_regs, m_max_hwp_supported, WatchpointIsEnabled(), and lldb_private::Watchpoints.

◆ GetWatchpointHitAddress()

lldb::addr_t NativeRegisterContextDBReg::GetWatchpointHitAddress ( uint32_t wp_index )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 399 of file NativeRegisterContextDBReg.cpp.

References lldb_private::GetLog(), LLDB_INVALID_ADDRESS, LLDB_LOG, m_hwp_regs, m_max_hwp_supported, WatchpointIsEnabled(), and lldb_private::Watchpoints.

◆ GetWatchpointHitIndex()

Status NativeRegisterContextDBReg::GetWatchpointHitIndex	(	uint32_t &	wp_index,
		lldb::addr_t	trap_addr
	)

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 348 of file NativeRegisterContextDBReg.cpp.

References error(), FixWatchpointHitAddress(), lldb_private::Status::FromError(), lldb_private::GetLog(), GetWatchpointSize(), LLDB_INVALID_INDEX32, LLDB_LOG, m_hwp_regs, m_max_hwp_supported, ReadHardwareDebugInfo(), WatchpointIsEnabled(), and lldb_private::Watchpoints.

◆ GetWatchpointSize()

virtual uint32_t lldb_private::NativeRegisterContextDBReg::GetWatchpointSize ( uint32_t wp_index )

protectedpure virtual

Implemented in lldb_private::NativeRegisterContextDBReg_arm64, and lldb_private::NativeRegisterContextDBReg_loongarch.

Referenced by GetWatchpointHitIndex().

◆ MakeBreakControlValue()

virtual uint32_t lldb_private::NativeRegisterContextDBReg::MakeBreakControlValue ( size_t size )

protectedpure virtual

Implemented in lldb_private::NativeRegisterContextDBReg_arm64, and lldb_private::NativeRegisterContextDBReg_loongarch.

Referenced by SetHardwareBreakpoint().

◆ MakeWatchControlValue()

virtual uint32_t lldb_private::NativeRegisterContextDBReg::MakeWatchControlValue	(	size_t	size,
		uint32_t	watch_flags
	)

protectedpure virtual

Implemented in lldb_private::NativeRegisterContextDBReg_arm64, and lldb_private::NativeRegisterContextDBReg_loongarch.

Referenced by SetHardwareWatchpoint().

◆ NumSupportedHardwareBreakpoints()

uint32_t NativeRegisterContextDBReg::NumSupportedHardwareBreakpoints ( )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 17 of file NativeRegisterContextDBReg.cpp.

References lldb_private::Breakpoints, error(), lldb_private::GetLog(), LLDB_LOG, LLDB_LOG_ERROR, m_max_hbp_supported, and ReadHardwareDebugInfo().

◆ NumSupportedHardwareWatchpoints()

uint32_t NativeRegisterContextDBReg::NumSupportedHardwareWatchpoints ( )

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 187 of file NativeRegisterContextDBReg.cpp.

References error(), lldb_private::GetLog(), LLDB_LOG_ERROR, m_max_hwp_supported, ReadHardwareDebugInfo(), and lldb_private::Watchpoints.

◆ ReadHardwareDebugInfo()

virtual llvm::Error lldb_private::NativeRegisterContextDBReg::ReadHardwareDebugInfo ( )

protectedpure virtual

Referenced by ClearAllHardwareBreakpoints(), ClearAllHardwareWatchpoints(), ClearHardwareBreakpoint(), ClearHardwareWatchpoint(), GetWatchpointHitIndex(), NumSupportedHardwareBreakpoints(), NumSupportedHardwareWatchpoints(), SetHardwareBreakpoint(), and SetHardwareWatchpoint().

◆ SetHardwareBreakpoint()

uint32_t NativeRegisterContextDBReg::SetHardwareBreakpoint	(	lldb::addr_t	addr,
		size_t	size
	)

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 33 of file NativeRegisterContextDBReg.cpp.

References BreakpointIsEnabled(), lldb_private::Breakpoints, eDREGTypeBREAK, error(), lldb_private::GetLog(), LLDB_INVALID_INDEX32, LLDB_LOG, LLDB_LOG_ERROR, m_hbp_regs, m_max_hbp_supported, MakeBreakControlValue(), ReadHardwareDebugInfo(), ValidateBreakpoint(), and WriteHardwareDebugRegs().

◆ SetHardwareWatchpoint()

uint32_t NativeRegisterContextDBReg::SetHardwareWatchpoint	(	lldb::addr_t	addr,
		size_t	size,
		uint32_t	watch_flags
	)

overridevirtual

Reimplemented from lldb_private::NativeRegisterContext.

Definition at line 199 of file NativeRegisterContextDBReg.cpp.

References AdjustWatchpoint(), eDREGTypeWATCH, error(), lldb_private::GetLog(), LLDB_INVALID_INDEX32, LLDB_LOG, LLDB_LOG_ERROR, m_hwp_regs, m_max_hwp_supported, MakeWatchControlValue(), ReadHardwareDebugInfo(), WatchpointIsEnabled(), lldb_private::Watchpoints, and WriteHardwareDebugRegs().

◆ ValidateBreakpoint()

bool lldb_private::NativeRegisterContextDBReg::ValidateBreakpoint	(	size_t	size,
		lldb::addr_t	addr
	)

inlineprotected

Definition at line 79 of file NativeRegisterContextDBReg.h.

Referenced by SetHardwareBreakpoint().

◆ WatchpointIsEnabled()

bool NativeRegisterContextDBReg::WatchpointIsEnabled ( uint32_t wp_index )

protected

Definition at line 379 of file NativeRegisterContextDBReg.cpp.

References lldb_private::GetLog(), LLDB_LOG, m_hw_dbg_enable_bit, m_hwp_regs, and lldb_private::Watchpoints.

Referenced by ClearAllHardwareWatchpoints(), GetWatchpointAddress(), GetWatchpointHitAddress(), GetWatchpointHitIndex(), and SetHardwareWatchpoint().

◆ WriteHardwareDebugRegs()

virtual llvm::Error lldb_private::NativeRegisterContextDBReg::WriteHardwareDebugRegs ( DREGType hwbType )

protectedpure virtual

Referenced by ClearAllHardwareBreakpoints(), ClearAllHardwareWatchpoints(), ClearHardwareBreakpoint(), ClearHardwareWatchpoint(), SetHardwareBreakpoint(), and SetHardwareWatchpoint().

Member Data Documentation

◆ m_hbp_regs

std::array<struct DREG, 16> lldb_private::NativeRegisterContextDBReg::m_hbp_regs

protected

Definition at line 67 of file NativeRegisterContextDBReg.h.

Referenced by BreakpointIsEnabled(), ClearAllHardwareBreakpoints(), ClearHardwareBreakpoint(), GetHardwareBreakHitIndex(), and SetHardwareBreakpoint().

◆ m_hw_dbg_enable_bit

const uint32_t lldb_private::NativeRegisterContextDBReg::m_hw_dbg_enable_bit

protected

Definition at line 72 of file NativeRegisterContextDBReg.h.

Referenced by BreakpointIsEnabled(), lldb_private::NativeRegisterContextDBReg_arm64::MakeBreakControlValue(), lldb_private::NativeRegisterContextDBReg_loongarch::MakeBreakControlValue(), lldb_private::NativeRegisterContextDBReg_arm64::MakeWatchControlValue(), lldb_private::NativeRegisterContextDBReg_loongarch::MakeWatchControlValue(), and WatchpointIsEnabled().

◆ m_hwp_regs

std::array<struct DREG, 16> lldb_private::NativeRegisterContextDBReg::m_hwp_regs

protected

Definition at line 68 of file NativeRegisterContextDBReg.h.

Referenced by ClearAllHardwareWatchpoints(), ClearHardwareWatchpoint(), GetWatchpointAddress(), GetWatchpointHitAddress(), GetWatchpointHitIndex(), lldb_private::NativeRegisterContextDBReg_arm64::GetWatchpointSize(), lldb_private::NativeRegisterContextDBReg_loongarch::GetWatchpointSize(), SetHardwareWatchpoint(), and WatchpointIsEnabled().

◆ m_max_hbp_supported

uint32_t lldb_private::NativeRegisterContextDBReg::m_max_hbp_supported

protected

Definition at line 70 of file NativeRegisterContextDBReg.h.

Referenced by ClearAllHardwareBreakpoints(), ClearHardwareBreakpoint(), GetHardwareBreakHitIndex(), NumSupportedHardwareBreakpoints(), and SetHardwareBreakpoint().

◆ m_max_hwp_supported

uint32_t lldb_private::NativeRegisterContextDBReg::m_max_hwp_supported

protected

Definition at line 71 of file NativeRegisterContextDBReg.h.

Referenced by ClearAllHardwareWatchpoints(), ClearHardwareWatchpoint(), GetWatchpointAddress(), GetWatchpointHitAddress(), GetWatchpointHitIndex(), NumSupportedHardwareWatchpoints(), and SetHardwareWatchpoint().

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

Classes

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ DREGType

Constructor & Destructor Documentation

◆ NativeRegisterContextDBReg()

Member Function Documentation

◆ AdjustWatchpoint()

◆ BreakpointIsEnabled()

◆ ClearAllHardwareBreakpoints()

◆ ClearAllHardwareWatchpoints()

◆ ClearHardwareBreakpoint()

◆ ClearHardwareWatchpoint()

◆ FixWatchpointHitAddress()

◆ GetHardwareBreakHitIndex()

◆ GetWatchpointAddress()

◆ GetWatchpointHitAddress()

◆ GetWatchpointHitIndex()

◆ GetWatchpointSize()

◆ MakeBreakControlValue()

◆ MakeWatchControlValue()

◆ NumSupportedHardwareBreakpoints()

◆ NumSupportedHardwareWatchpoints()

◆ ReadHardwareDebugInfo()

◆ SetHardwareBreakpoint()

◆ SetHardwareWatchpoint()

◆ ValidateBreakpoint()

◆ WatchpointIsEnabled()

◆ WriteHardwareDebugRegs()

Member Data Documentation

◆ m_hbp_regs

◆ m_hw_dbg_enable_bit

◆ m_hwp_regs

◆ m_max_hbp_supported

◆ m_max_hwp_supported