lldb_private::UnwindPlan::Row Class Reference

#include <UnwindPlan.h>

Classes
class	AbstractRegisterLocation
class	FAValue

Public Member Functions
	Row ()
bool	operator== (const Row &rhs) const
bool	GetRegisterInfo (uint32_t reg_num, AbstractRegisterLocation &register_location) const
void	SetRegisterInfo (uint32_t reg_num, const AbstractRegisterLocation register_location)
void	RemoveRegisterInfo (uint32_t reg_num)
int64_t	GetOffset () const
void	SetOffset (int64_t offset)
void	SlideOffset (int64_t offset)
const FAValue &	GetCFAValue () const
FAValue &	GetCFAValue ()
const FAValue &	GetAFAValue () const
FAValue &	GetAFAValue ()
bool	SetRegisterLocationToAtCFAPlusOffset (uint32_t reg_num, int32_t offset, bool can_replace)
bool	SetRegisterLocationToIsCFAPlusOffset (uint32_t reg_num, int32_t offset, bool can_replace)
bool	SetRegisterLocationToUndefined (uint32_t reg_num, bool can_replace, bool can_replace_only_if_unspecified)
bool	SetRegisterLocationToUnspecified (uint32_t reg_num, bool can_replace)
bool	SetRegisterLocationToRegister (uint32_t reg_num, uint32_t other_reg_num, bool can_replace)
bool	SetRegisterLocationToSame (uint32_t reg_num, bool must_replace)
bool	SetRegisterLocationToIsDWARFExpression (uint32_t reg_num, const uint8_t *opcodes, uint32_t len, bool can_replace)
	This method does not make a copy of the opcodes memory, it is assumed to have the same lifetime as the Module this UnwindPlan will be registered in.
bool	SetRegisterLocationToIsConstant (uint32_t reg_num, uint64_t constant, bool can_replace)
void	SetUnspecifiedRegistersAreUndefined (bool unspec_is_undef)
bool	GetUnspecifiedRegistersAreUndefined ()
void	Clear ()
void	Dump (Stream &s, const UnwindPlan *unwind_plan, Thread *thread, lldb::addr_t base_addr) const

Protected Types
typedef std::map< uint32_t, AbstractRegisterLocation >	collection

Protected Attributes
int64_t	m_offset = 0
FAValue	m_cfa_value
FAValue	m_afa_value
collection	m_register_locations
bool	m_unspecified_registers_are_undefined = false

Detailed Description

Definition at line 55 of file UnwindPlan.h.

Member Typedef Documentation

collection

typedef std::map<uint32_t, AbstractRegisterLocation> lldb_private::UnwindPlan::Row::collection

protected

Definition at line 422 of file UnwindPlan.h.

Constructor & Destructor Documentation

Row()

UnwindPlan::Row::Row

(

)

Definition at line 259 of file UnwindPlan.cpp.

References m_afa_value, m_cfa_value, and m_register_locations.

Member Function Documentation

Clear()

void UnwindPlan::Row::Clear

(

)

Definition at line 227 of file UnwindPlan.cpp.

References m_afa_value, m_cfa_value, m_offset, m_register_locations, and m_unspecified_registers_are_undefined.

Dump()

void UnwindPlan::Row::Dump	(	Stream &	s,
		const UnwindPlan *	unwind_plan,
		Thread *	thread,
		lldb::addr_t	base_addr ) const

Definition at line 235 of file UnwindPlan.cpp.

References DumpRegisterName(), GetOffset(), LLDB_INVALID_ADDRESS, m_afa_value, m_cfa_value, m_register_locations, lldb_private::Stream::Printf(), lldb_private::Stream::PutChar(), and lldb_private::UnwindPlan::UnwindPlan().

Referenced by lldb_private::RegisterContextUnwind::GetAbstractRegisterLocation(), lldb_private::RegisterContextUnwind::InitializeNonZerothFrame(), lldb_private::RegisterContextUnwind::InitializeZerothFrame(), and lldb_private::RegisterContextUnwind::TryAdoptArchitectureUnwindPlan().

GetAFAValue() [1/2]

FAValue & lldb_private::UnwindPlan::Row::GetAFAValue ( )

inline

Definition at line 369 of file UnwindPlan.h.

References m_afa_value.

GetAFAValue() [2/2]

const FAValue & lldb_private::UnwindPlan::Row::GetAFAValue ( ) const

inline

Definition at line 368 of file UnwindPlan.h.

References m_afa_value.

Referenced by lldb_private::RegisterContextUnwind::ForceSwitchToFallbackUnwindPlan(), lldb_private::x86AssemblyInspectionEngine::GetNonCallSiteUnwindPlanFromAssembly(), lldb_private::RegisterContextUnwind::InitializeNonZerothFrame(), lldb_private::RegisterContextUnwind::InitializeZerothFrame(), and lldb_private::RegisterContextUnwind::TryFallbackUnwindPlan().

GetCFAValue() [1/2]

FAValue & lldb_private::UnwindPlan::Row::GetCFAValue ( )

inline

Definition at line 366 of file UnwindPlan.h.

References m_cfa_value.

GetCFAValue() [2/2]

const FAValue & lldb_private::UnwindPlan::Row::GetCFAValue ( ) const

inline

Definition at line 365 of file UnwindPlan.h.

References m_cfa_value.

Referenced by lldb_private::x86AssemblyInspectionEngine::AugmentUnwindPlanFromCallSite(), UnwindAssembly_x86::AugmentUnwindPlanFromCallSite(), EHProgramRange::BuildUnwindPlanRow(), lldb_private::FuncUnwinders::CompareUnwindPlansForIdenticalInitialPCLocation(), ABIAArch64::CreateDefaultUnwindPlan(), ABIMacOSX_arm::CreateDefaultUnwindPlan(), ABIMacOSX_i386::CreateDefaultUnwindPlan(), ABISysV_arm::CreateDefaultUnwindPlan(), ABISysV_hexagon::CreateDefaultUnwindPlan(), ABISysV_i386::CreateDefaultUnwindPlan(), ABISysV_loongarch::CreateDefaultUnwindPlan(), ABISysV_mips64::CreateDefaultUnwindPlan(), ABISysV_mips::CreateDefaultUnwindPlan(), ABISysV_msp430::CreateDefaultUnwindPlan(), ABISysV_ppc64::CreateDefaultUnwindPlan(), ABISysV_ppc::CreateDefaultUnwindPlan(), ABISysV_riscv::CreateDefaultUnwindPlan(), ABISysV_x86_64::CreateDefaultUnwindPlan(), ABIWindows_x86_64::CreateDefaultUnwindPlan(), EmulateInstructionARM64::CreateFunctionEntryUnwind(), EmulateInstructionMIPS64::CreateFunctionEntryUnwind(), EmulateInstructionMIPS::CreateFunctionEntryUnwind(), lldb_private::EmulateInstructionARM::CreateFunctionEntryUnwind(), lldb_private::EmulateInstructionPPC64::CreateFunctionEntryUnwind(), lldb_private::EmulateInstructionRISCV::CreateFunctionEntryUnwind(), ABIAArch64::CreateFunctionEntryUnwindPlan(), ABIMacOSX_arm::CreateFunctionEntryUnwindPlan(), ABIMacOSX_i386::CreateFunctionEntryUnwindPlan(), ABISysV_arc::CreateFunctionEntryUnwindPlan(), ABISysV_arm::CreateFunctionEntryUnwindPlan(), ABISysV_hexagon::CreateFunctionEntryUnwindPlan(), ABISysV_i386::CreateFunctionEntryUnwindPlan(), ABISysV_loongarch::CreateFunctionEntryUnwindPlan(), ABISysV_mips64::CreateFunctionEntryUnwindPlan(), ABISysV_mips::CreateFunctionEntryUnwindPlan(), ABISysV_msp430::CreateFunctionEntryUnwindPlan(), ABISysV_ppc64::CreateFunctionEntryUnwindPlan(), ABISysV_ppc::CreateFunctionEntryUnwindPlan(), ABISysV_riscv::CreateFunctionEntryUnwindPlan(), ABISysV_s390x::CreateFunctionEntryUnwindPlan(), ABISysV_x86_64::CreateFunctionEntryUnwindPlan(), ABIWindows_x86_64::CreateFunctionEntryUnwindPlan(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_arm64(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_armv7(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_i386(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_x86_64(), lldb_private::RegisterContextUnwind::ForceSwitchToFallbackUnwindPlan(), GetAArch64TrapHandlerUnwindPlan(), lldb_private::x86AssemblyInspectionEngine::GetNonCallSiteUnwindPlanFromAssembly(), lldb_private::ArmUnwindInfo::GetUnwindPlan(), lldb_private::DWARFCallFrameInfo::HandleCommonDwarfOpcode(), lldb_private::RegisterContextUnwind::InitializeNonZerothFrame(), lldb_private::RegisterContextUnwind::InitializeZerothFrame(), lldb_private::breakpad::SymbolFileBreakpad::ParseCFIUnwindRow(), lldb_private::breakpad::SymbolFileBreakpad::ParseWinUnwindPlan(), lldb_private::UnwindPlan::PlanValidAtAddress(), and lldb_private::RegisterContextUnwind::TryFallbackUnwindPlan().

GetOffset()

int64_t lldb_private::UnwindPlan::Row::GetOffset ( ) const

inline

Definition at line 359 of file UnwindPlan.h.

References m_offset.

Referenced by lldb_private::UnwindPlan::AppendRow(), lldb_private::x86AssemblyInspectionEngine::AugmentUnwindPlanFromCallSite(), UnwindAssembly_x86::AugmentUnwindPlanFromCallSite(), Dump(), lldb_private::UnwindPlan::InsertRow(), RowLess::operator()(), RowLess::operator()(), and lldb_private::DWARFCallFrameInfo::ParseFDE().

GetRegisterInfo()

bool UnwindPlan::Row::GetRegisterInfo	(	uint32_t	reg_num,
		AbstractRegisterLocation &	register_location ) const

Definition at line 261 of file UnwindPlan.cpp.

References m_register_locations, m_unspecified_registers_are_undefined, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetUndefined().

Referenced by UnwindAssembly_x86::AugmentUnwindPlanFromCallSite(), lldb_private::FuncUnwinders::CompareUnwindPlansForIdenticalInitialPCLocation(), lldb_private::RegisterContextUnwind::GetAbstractRegisterLocation(), lldb_private::x86AssemblyInspectionEngine::GetNonCallSiteUnwindPlanFromAssembly(), and lldb_private::ArmUnwindInfo::GetUnwindPlan().

GetUnspecifiedRegistersAreUndefined()

bool lldb_private::UnwindPlan::Row::GetUnspecifiedRegistersAreUndefined ( )

inline

Definition at line 412 of file UnwindPlan.h.

References m_unspecified_registers_are_undefined.

operator==()

bool UnwindPlan::Row::operator==

(

const Row &

rhs

)

const

Definition at line 387 of file UnwindPlan.cpp.

References m_afa_value, m_cfa_value, m_offset, m_register_locations, and m_unspecified_registers_are_undefined.

RemoveRegisterInfo()

void UnwindPlan::Row::RemoveRegisterInfo

(

uint32_t

reg_num

)

Definition at line 276 of file UnwindPlan.cpp.

References m_register_locations.

Referenced by lldb_private::x86AssemblyInspectionEngine::GetNonCallSiteUnwindPlanFromAssembly(), and lldb_private::DWARFCallFrameInfo::ParseFDE().

SetOffset()

void lldb_private::UnwindPlan::Row::SetOffset ( int64_t offset )

inline

Definition at line 361 of file UnwindPlan.h.

References m_offset.

Referenced by lldb_private::x86AssemblyInspectionEngine::AugmentUnwindPlanFromCallSite(), EHProgramRange::BuildUnwindPlanRow(), ABISysV_x86_64::CreateDefaultUnwindPlan(), ABIWindows_x86_64::CreateDefaultUnwindPlan(), lldb_private::x86AssemblyInspectionEngine::GetNonCallSiteUnwindPlanFromAssembly(), lldb_private::breakpad::SymbolFileBreakpad::ParseCFIUnwindPlan(), and lldb_private::DWARFCallFrameInfo::ParseFDE().

SetRegisterInfo()

void UnwindPlan::Row::SetRegisterInfo	(	uint32_t	reg_num,
		const AbstractRegisterLocation	register_location )

Definition at line 283 of file UnwindPlan.cpp.

References m_register_locations.

Referenced by lldb_private::x86AssemblyInspectionEngine::GetNonCallSiteUnwindPlanFromAssembly(), lldb_private::ArmUnwindInfo::GetUnwindPlan(), lldb_private::DWARFCallFrameInfo::HandleCommonDwarfOpcode(), lldb_private::breakpad::SymbolFileBreakpad::ParseCFIUnwindRow(), lldb_private::DWARFCallFrameInfo::ParseFDE(), and lldb_private::breakpad::SymbolFileBreakpad::ParseWinUnwindPlan().

SetRegisterLocationToAtCFAPlusOffset()

bool UnwindPlan::Row::SetRegisterLocationToAtCFAPlusOffset	(	uint32_t	reg_num,
		int32_t	offset,
		bool	can_replace )

Definition at line 289 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetAtCFAPlusOffset().

Referenced by EHProgramRange::BuildUnwindPlanRow(), ABIAArch64::CreateDefaultUnwindPlan(), ABIMacOSX_arm::CreateDefaultUnwindPlan(), ABIMacOSX_i386::CreateDefaultUnwindPlan(), ABISysV_arm::CreateDefaultUnwindPlan(), ABISysV_hexagon::CreateDefaultUnwindPlan(), ABISysV_i386::CreateDefaultUnwindPlan(), ABISysV_loongarch::CreateDefaultUnwindPlan(), ABISysV_msp430::CreateDefaultUnwindPlan(), ABISysV_ppc64::CreateDefaultUnwindPlan(), ABISysV_ppc::CreateDefaultUnwindPlan(), ABISysV_riscv::CreateDefaultUnwindPlan(), ABISysV_x86_64::CreateDefaultUnwindPlan(), ABIWindows_x86_64::CreateDefaultUnwindPlan(), ABIMacOSX_i386::CreateFunctionEntryUnwindPlan(), ABISysV_i386::CreateFunctionEntryUnwindPlan(), ABISysV_msp430::CreateFunctionEntryUnwindPlan(), ABISysV_x86_64::CreateFunctionEntryUnwindPlan(), ABIWindows_x86_64::CreateFunctionEntryUnwindPlan(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_arm64(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_armv7(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_i386(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_x86_64(), GetAArch64TrapHandlerUnwindPlan(), lldb_private::ArchitectureArm::GetArchitectureUnwindPlan(), and lldb_private::ArmUnwindInfo::GetUnwindPlan().

SetRegisterLocationToIsCFAPlusOffset()

bool UnwindPlan::Row::SetRegisterLocationToIsCFAPlusOffset	(	uint32_t	reg_num,
		int32_t	offset,
		bool	can_replace )

Definition at line 301 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetIsCFAPlusOffset().

Referenced by EHProgramRange::BuildUnwindPlanRow(), ABIMacOSX_i386::CreateDefaultUnwindPlan(), ABISysV_hexagon::CreateDefaultUnwindPlan(), ABISysV_i386::CreateDefaultUnwindPlan(), ABISysV_msp430::CreateDefaultUnwindPlan(), ABISysV_ppc64::CreateDefaultUnwindPlan(), ABISysV_ppc::CreateDefaultUnwindPlan(), ABISysV_x86_64::CreateDefaultUnwindPlan(), ABIWindows_x86_64::CreateDefaultUnwindPlan(), ABIMacOSX_i386::CreateFunctionEntryUnwindPlan(), ABISysV_i386::CreateFunctionEntryUnwindPlan(), ABISysV_msp430::CreateFunctionEntryUnwindPlan(), ABISysV_x86_64::CreateFunctionEntryUnwindPlan(), ABIWindows_x86_64::CreateFunctionEntryUnwindPlan(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_arm64(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_armv7(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_i386(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_x86_64(), and lldb_private::ArchitectureArm::GetArchitectureUnwindPlan().

SetRegisterLocationToIsConstant()

bool UnwindPlan::Row::SetRegisterLocationToIsConstant	(	uint32_t	reg_num,
		uint64_t	constant,
		bool	can_replace )

Definition at line 375 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetIsConstant().

SetRegisterLocationToIsDWARFExpression()

bool UnwindPlan::Row::SetRegisterLocationToIsDWARFExpression	(	uint32_t	reg_num,
		const uint8_t *	opcodes,
		uint32_t	len,
		bool	can_replace )

This method does not make a copy of the opcodes memory, it is assumed to have the same lifetime as the Module this UnwindPlan will be registered in.

Definition at line 364 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetIsDWARFExpression().

SetRegisterLocationToRegister()

bool UnwindPlan::Row::SetRegisterLocationToRegister	(	uint32_t	reg_num,
		uint32_t	other_reg_num,
		bool	can_replace )

Definition at line 341 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetInRegister().

Referenced by ABISysV_mips64::CreateDefaultUnwindPlan(), ABISysV_mips::CreateDefaultUnwindPlan(), EmulateInstructionMIPS64::CreateFunctionEntryUnwind(), EmulateInstructionMIPS::CreateFunctionEntryUnwind(), ABIAArch64::CreateFunctionEntryUnwindPlan(), ABIMacOSX_arm::CreateFunctionEntryUnwindPlan(), ABISysV_arc::CreateFunctionEntryUnwindPlan(), ABISysV_arm::CreateFunctionEntryUnwindPlan(), ABISysV_hexagon::CreateFunctionEntryUnwindPlan(), ABISysV_loongarch::CreateFunctionEntryUnwindPlan(), ABISysV_mips64::CreateFunctionEntryUnwindPlan(), ABISysV_mips::CreateFunctionEntryUnwindPlan(), ABISysV_ppc64::CreateFunctionEntryUnwindPlan(), ABISysV_ppc::CreateFunctionEntryUnwindPlan(), ABISysV_riscv::CreateFunctionEntryUnwindPlan(), ABISysV_s390x::CreateFunctionEntryUnwindPlan(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_arm64(), and lldb_private::ArmUnwindInfo::GetUnwindPlan().

SetRegisterLocationToSame()

bool UnwindPlan::Row::SetRegisterLocationToSame	(	uint32_t	reg_num,
		bool	must_replace )

Definition at line 353 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetSame().

Referenced by EmulateInstructionARM64::CreateFunctionEntryUnwind(), and lldb_private::EmulateInstructionRISCV::CreateFunctionEntryUnwind().

SetRegisterLocationToUndefined()

bool UnwindPlan::Row::SetRegisterLocationToUndefined	(	uint32_t	reg_num,
		bool	can_replace,
		bool	can_replace_only_if_unspecified )

Definition at line 313 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetUndefined().

SetRegisterLocationToUnspecified()

bool UnwindPlan::Row::SetRegisterLocationToUnspecified	(	uint32_t	reg_num,
		bool	can_replace )

Definition at line 330 of file UnwindPlan.cpp.

References m_register_locations, and lldb_private::UnwindPlan::Row::AbstractRegisterLocation::SetUnspecified().

Referenced by ABISysV_msp430::CreateDefaultUnwindPlan().

SetUnspecifiedRegistersAreUndefined()

void lldb_private::UnwindPlan::Row::SetUnspecifiedRegistersAreUndefined ( bool unspec_is_undef )

inline

Definition at line 408 of file UnwindPlan.h.

References m_unspecified_registers_are_undefined.

Referenced by ABIAArch64::CreateDefaultUnwindPlan(), ABIMacOSX_arm::CreateDefaultUnwindPlan(), ABIMacOSX_i386::CreateDefaultUnwindPlan(), ABISysV_arm::CreateDefaultUnwindPlan(), ABISysV_hexagon::CreateDefaultUnwindPlan(), ABISysV_i386::CreateDefaultUnwindPlan(), ABISysV_mips64::CreateDefaultUnwindPlan(), ABISysV_mips::CreateDefaultUnwindPlan(), ABISysV_ppc64::CreateDefaultUnwindPlan(), ABISysV_ppc::CreateDefaultUnwindPlan(), ABISysV_x86_64::CreateDefaultUnwindPlan(), and ABIWindows_x86_64::CreateDefaultUnwindPlan().

SlideOffset()

void lldb_private::UnwindPlan::Row::SlideOffset ( int64_t offset )

inline

Definition at line 363 of file UnwindPlan.h.

References m_offset.

Referenced by lldb_private::DWARFCallFrameInfo::GetUnwindPlan(), and lldb_private::DWARFCallFrameInfo::ParseFDE().

Member Data Documentation

m_afa_value

FAValue lldb_private::UnwindPlan::Row::m_afa_value

protected

Definition at line 426 of file UnwindPlan.h.

Referenced by Clear(), Dump(), GetAFAValue(), GetAFAValue(), operator==(), and Row().

m_cfa_value

FAValue lldb_private::UnwindPlan::Row::m_cfa_value

protected

Definition at line 425 of file UnwindPlan.h.

Referenced by Clear(), Dump(), GetCFAValue(), GetCFAValue(), operator==(), and Row().

m_offset

int64_t lldb_private::UnwindPlan::Row::m_offset = 0

protected

Definition at line 423 of file UnwindPlan.h.

Referenced by Clear(), GetOffset(), operator==(), SetOffset(), and SlideOffset().

m_register_locations

collection lldb_private::UnwindPlan::Row::m_register_locations

protected

Definition at line 427 of file UnwindPlan.h.

Referenced by Clear(), Dump(), GetRegisterInfo(), operator==(), RemoveRegisterInfo(), Row(), SetRegisterInfo(), SetRegisterLocationToAtCFAPlusOffset(), SetRegisterLocationToIsCFAPlusOffset(), SetRegisterLocationToIsConstant(), SetRegisterLocationToIsDWARFExpression(), SetRegisterLocationToRegister(), SetRegisterLocationToSame(), SetRegisterLocationToUndefined(), and SetRegisterLocationToUnspecified().

m_unspecified_registers_are_undefined

bool lldb_private::UnwindPlan::Row::m_unspecified_registers_are_undefined = false

protected

Definition at line 428 of file UnwindPlan.h.

Referenced by Clear(), GetRegisterInfo(), GetUnspecifiedRegistersAreUndefined(), operator==(), and SetUnspecifiedRegistersAreUndefined().

---

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

• UnwindPlan.h
• UnwindPlan.cpp