lldb_private::ArmUnwindInfo Class Reference

#include <ArmUnwindInfo.h>

Classes
struct	ArmExidxEntry

Public Member Functions
	ArmUnwindInfo (ObjectFile &objfile, lldb::SectionSP &arm_exidx, lldb::SectionSP &arm_extab)
	~ArmUnwindInfo ()
bool	GetUnwindPlan (Target &target, const Address &addr, UnwindPlan &unwind_plan)

Private Member Functions
const uint8_t *	GetExceptionHandlingTableEntry (const Address &addr)
uint8_t	GetByteAtOffset (const uint32_t *data, uint16_t offset) const
uint64_t	GetULEB128 (const uint32_t *data, uint16_t &offset, uint16_t max_offset) const

Private Attributes
const lldb::ByteOrder	m_byte_order
lldb::SectionSP	m_arm_exidx_sp
lldb::SectionSP	m_arm_extab_sp
DataExtractor	m_arm_exidx_data
DataExtractor	m_arm_extab_data
std::vector< ArmExidxEntry >	m_exidx_entries

Detailed Description

Definition at line 30 of file ArmUnwindInfo.h.

Constructor & Destructor Documentation

ArmUnwindInfo()

ArmUnwindInfo::ArmUnwindInfo	(	ObjectFile &	objfile,
		lldb::SectionSP &	arm_exidx,
		lldb::SectionSP &	arm_extab
	)

Definition at line 48 of file ArmUnwindInfo.cpp.

References lldb_private::DataExtractor::GetU32(), m_arm_exidx_data, m_arm_exidx_sp, m_arm_extab_data, m_exidx_entries, Prel31ToAddr(), lldb_private::ObjectFile::ReadSectionData(), and lldb_private::DataExtractor::ValidOffset().

~ArmUnwindInfo()

ArmUnwindInfo::~ArmUnwindInfo ( )

default

Member Function Documentation

GetByteAtOffset()

uint8_t ArmUnwindInfo::GetByteAtOffset ( const uint32_t *  data, uint16_t  offset  ) const

private

Definition at line 77 of file ArmUnwindInfo.cpp.

References lldb_private::endian::InlHostByteOrder(), and m_byte_order.

Referenced by GetULEB128(), and GetUnwindPlan().

GetExceptionHandlingTableEntry()

const uint8_t * ArmUnwindInfo::GetExceptionHandlingTableEntry ( const Address &  addr )

private

Definition at line 354 of file ArmUnwindInfo.cpp.

References lldb_private::DataExtractor::GetDataStart(), lldb_private::Address::GetFileAddress(), m_arm_extab_data, m_arm_extab_sp, m_exidx_entries, and Prel31ToAddr().

Referenced by GetUnwindPlan().

GetULEB128()

uint64_t ArmUnwindInfo::GetULEB128 ( const uint32_t *  data, uint16_t &  offset, uint16_t  max_offset  ) const

private

Definition at line 85 of file ArmUnwindInfo.cpp.

References GetByteAtOffset().

Referenced by GetUnwindPlan().

GetUnwindPlan()

bool ArmUnwindInfo::GetUnwindPlan	(	Target &	target,
		const Address &	addr,
		UnwindPlan &	unwind_plan
	)

Definition at line 99 of file ArmUnwindInfo.cpp.

References lldb_private::UnwindPlan::AppendRow(), dwarf_d0, dwarf_d16, dwarf_d8, dwarf_lr, dwarf_pc, dwarf_r0, dwarf_r4, dwarf_sp, lldb_private::eLazyBoolNo, lldb_private::eLazyBoolYes, lldb::eRegisterKindDWARF, GetByteAtOffset(), GetExceptionHandlingTableEntry(), GetULEB128(), lldb_private::UnwindPlan::SetRegisterKind(), lldb_private::UnwindPlan::SetSourcedFromCompiler(), lldb_private::UnwindPlan::SetSourceName(), lldb_private::UnwindPlan::SetUnwindPlanForSignalTrap(), and lldb_private::UnwindPlan::SetUnwindPlanValidAtAllInstructions().

Referenced by lldb_private::FuncUnwinders::GetArmUnwindUnwindPlan(), and lldb_private::RegisterContextUnwind::GetFullUnwindPlanForFrame().

Member Data Documentation

m_arm_exidx_data

DataExtractor lldb_private::ArmUnwindInfo::m_arm_exidx_data

private

Definition at line 61 of file ArmUnwindInfo.h.

Referenced by ArmUnwindInfo().

m_arm_exidx_sp

lldb::SectionSP lldb_private::ArmUnwindInfo::m_arm_exidx_sp

private

Definition at line 59 of file ArmUnwindInfo.h.

Referenced by ArmUnwindInfo().

m_arm_extab_data

DataExtractor lldb_private::ArmUnwindInfo::m_arm_extab_data

private

Definition at line 62 of file ArmUnwindInfo.h.

Referenced by ArmUnwindInfo(), and GetExceptionHandlingTableEntry().

m_arm_extab_sp

lldb::SectionSP lldb_private::ArmUnwindInfo::m_arm_extab_sp

private

Definition at line 60 of file ArmUnwindInfo.h.

Referenced by GetExceptionHandlingTableEntry().

m_byte_order

const lldb::ByteOrder lldb_private::ArmUnwindInfo::m_byte_order

private

Definition at line 58 of file ArmUnwindInfo.h.

Referenced by GetByteAtOffset().

m_exidx_entries

std::vector<ArmExidxEntry> lldb_private::ArmUnwindInfo::m_exidx_entries

private

Definition at line 63 of file ArmUnwindInfo.h.

Referenced by ArmUnwindInfo(), and GetExceptionHandlingTableEntry().

---

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

• ArmUnwindInfo.h
• ArmUnwindInfo.cpp