UnwindAssemblyInstEmulation Class Reference

#include <UnwindAssemblyInstEmulation.h>

Inheritance diagram for UnwindAssemblyInstEmulation:

Collaboration diagram for UnwindAssemblyInstEmulation:

Public Member Functions
	~UnwindAssemblyInstEmulation () override=default
bool	GetNonCallSiteUnwindPlanFromAssembly (lldb_private::AddressRange &func, lldb_private::Thread &thread, lldb_private::UnwindPlan &unwind_plan) override
bool	GetNonCallSiteUnwindPlanFromAssembly (lldb_private::AddressRange &func, uint8_t *opcode_data, size_t opcode_size, lldb_private::UnwindPlan &unwind_plan)
bool	AugmentUnwindPlanFromCallSite (lldb_private::AddressRange &func, lldb_private::Thread &thread, lldb_private::UnwindPlan &unwind_plan) override
bool	GetFastUnwindPlan (lldb_private::AddressRange &func, lldb_private::Thread &thread, lldb_private::UnwindPlan &unwind_plan) override
bool	FirstNonPrologueInsn (lldb_private::AddressRange &func, const lldb_private::ExecutionContext &exe_ctx, lldb_private::Address &first_non_prologue_insn) override
llvm::StringRef	GetPluginName () override
virtual bool	GetNonCallSiteUnwindPlanFromAssembly (AddressRange &func, Thread &thread, UnwindPlan &unwind_plan)=0
virtual bool	AugmentUnwindPlanFromCallSite (AddressRange &func, Thread &thread, UnwindPlan &unwind_plan)=0
virtual bool	GetFastUnwindPlan (AddressRange &func, Thread &thread, UnwindPlan &unwind_plan)=0
virtual bool	FirstNonPrologueInsn (AddressRange &func, const lldb_private::ExecutionContext &exe_ctx, Address &first_non_prologue_insn)=0
Public Member Functions inherited from lldb_private::PluginInterface
	PluginInterface ()=default
virtual	~PluginInterface ()=default
virtual llvm::StringRef	GetPluginName ()=0
	PluginInterface (const PluginInterface &)=delete
PluginInterface &	operator= (const PluginInterface &)=delete

Static Public Member Functions
static lldb_private::UnwindAssembly *	CreateInstance (const lldb_private::ArchSpec &arch)
static void	Initialize ()
static void	Terminate ()
static llvm::StringRef	GetPluginNameStatic ()
static llvm::StringRef	GetPluginDescriptionStatic ()
Static Public Member Functions inherited from lldb_private::UnwindAssembly
static lldb::UnwindAssemblySP	FindPlugin (const ArchSpec &arch)

Private Types
typedef std::map< uint64_t, uint64_t >	PushedRegisterToAddrMap
typedef std::map< uint64_t, lldb_private::RegisterValue >	RegisterValueMap

Private Member Functions
	UnwindAssemblyInstEmulation (const lldb_private::ArchSpec &arch, lldb_private::EmulateInstruction *inst_emulator)
size_t	WriteMemory (lldb_private::EmulateInstruction *instruction, const lldb_private::EmulateInstruction::Context &context, lldb::addr_t addr, const void *dst, size_t length)
bool	ReadRegister (lldb_private::EmulateInstruction *instruction, const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &reg_value)
bool	WriteRegister (lldb_private::EmulateInstruction *instruction, const lldb_private::EmulateInstruction::Context &context, const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &reg_value)
void	SetRegisterValue (const lldb_private::RegisterInfo &reg_info, const lldb_private::RegisterValue &reg_value)
bool	GetRegisterValue (const lldb_private::RegisterInfo &reg_info, lldb_private::RegisterValue &reg_value)

Static Private Member Functions
static size_t	ReadMemory (lldb_private::EmulateInstruction *instruction, void *baton, const lldb_private::EmulateInstruction::Context &context, lldb::addr_t addr, void *dst, size_t length)
static size_t	WriteMemory (lldb_private::EmulateInstruction *instruction, void *baton, const lldb_private::EmulateInstruction::Context &context, lldb::addr_t addr, const void *dst, size_t length)
static bool	ReadRegister (lldb_private::EmulateInstruction *instruction, void *baton, const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &reg_value)
static bool	WriteRegister (lldb_private::EmulateInstruction *instruction, void *baton, const lldb_private::EmulateInstruction::Context &context, const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &reg_value)
static uint64_t	MakeRegisterKindValuePair (const lldb_private::RegisterInfo &reg_info)

Private Attributes
std::unique_ptr< lldb_private::EmulateInstruction >	m_inst_emulator_up
lldb_private::AddressRange *	m_range_ptr
lldb_private::UnwindPlan *	m_unwind_plan_ptr
lldb_private::UnwindPlan::RowSP	m_curr_row
uint64_t	m_initial_sp
lldb_private::RegisterInfo	m_cfa_reg_info
bool	m_fp_is_cfa
RegisterValueMap	m_register_values
PushedRegisterToAddrMap	m_pushed_regs
bool	m_curr_row_modified
uint32_t	m_forward_branch_offset

Additional Inherited Members
Protected Member Functions inherited from lldb_private::UnwindAssembly
	UnwindAssembly (const ArchSpec &arch)
Protected Attributes inherited from lldb_private::UnwindAssembly
ArchSpec	m_arch

Detailed Description

Definition at line 18 of file UnwindAssemblyInstEmulation.h.

Member Typedef Documentation

PushedRegisterToAddrMap

typedef std::map<uint64_t, uint64_t> UnwindAssemblyInstEmulation::PushedRegisterToAddrMap

private

Definition at line 131 of file UnwindAssemblyInstEmulation.h.

RegisterValueMap

typedef std::map<uint64_t, lldb_private::RegisterValue> UnwindAssemblyInstEmulation::RegisterValueMap

private

Definition at line 135 of file UnwindAssemblyInstEmulation.h.

Constructor & Destructor Documentation

~UnwindAssemblyInstEmulation()

UnwindAssemblyInstEmulation::~UnwindAssemblyInstEmulation ( )

overridedefault

UnwindAssemblyInstEmulation()

UnwindAssemblyInstEmulation::UnwindAssemblyInstEmulation ( const lldb_private::ArchSpec &  arch, lldb_private::EmulateInstruction *  inst_emulator  )

inlineprivate

Definition at line 63 of file UnwindAssemblyInstEmulation.h.

References m_inst_emulator_up, ReadMemory(), ReadRegister(), WriteMemory(), and WriteRegister().

Member Function Documentation

AugmentUnwindPlanFromCallSite()

bool UnwindAssemblyInstEmulation::AugmentUnwindPlanFromCallSite ( lldb_private::AddressRange &  func, lldb_private::Thread &  thread, lldb_private::UnwindPlan &  unwind_plan  )

overridevirtual

Implements lldb_private::UnwindAssembly.

Definition at line 308 of file UnwindAssemblyInstEmulation.cpp.

CreateInstance()

UnwindAssembly * UnwindAssemblyInstEmulation::CreateInstance ( const lldb_private::ArchSpec &  arch )

static

Definition at line 326 of file UnwindAssemblyInstEmulation.cpp.

References lldb_private::eInstructionTypePrologueEpilogue, and lldb_private::EmulateInstruction::FindPlugin().

Referenced by Initialize(), and Terminate().

FirstNonPrologueInsn()

bool UnwindAssemblyInstEmulation::FirstNonPrologueInsn ( lldb_private::AddressRange &  func, const lldb_private::ExecutionContext &  exe_ctx, lldb_private::Address &  first_non_prologue_insn  )

overridevirtual

Implements lldb_private::UnwindAssembly.

Definition at line 319 of file UnwindAssemblyInstEmulation.cpp.

GetFastUnwindPlan()

bool UnwindAssemblyInstEmulation::GetFastUnwindPlan ( lldb_private::AddressRange &  func, lldb_private::Thread &  thread, lldb_private::UnwindPlan &  unwind_plan  )

overridevirtual

Implements lldb_private::UnwindAssembly.

Definition at line 313 of file UnwindAssemblyInstEmulation.cpp.

GetNonCallSiteUnwindPlanFromAssembly() [1/2]

bool UnwindAssemblyInstEmulation::GetNonCallSiteUnwindPlanFromAssembly ( lldb_private::AddressRange &  func, lldb_private::Thread &  thread, lldb_private::UnwindPlan &  unwind_plan  )

overridevirtual

Implements lldb_private::UnwindAssembly.

Definition at line 36 of file UnwindAssemblyInstEmulation.cpp.

References error().

GetNonCallSiteUnwindPlanFromAssembly() [2/2]

bool UnwindAssemblyInstEmulation::GetNonCallSiteUnwindPlanFromAssembly	(	lldb_private::AddressRange &	func,
		uint8_t *	opcode_data,
		size_t	opcode_size,
		lldb_private::UnwindPlan &	unwind_plan
	)

Definition at line 53 of file UnwindAssemblyInstEmulation.cpp.

References lldb_private::AddressRange::ContainsFileAddress(), lldb_private::Disassembler::DisassembleBytes(), lldb_private::UnwindPlan::Dump(), lldb_private::Instruction::Dump(), lldb::eRegisterKindGeneric, lldb_private::Instruction::GetAddress(), lldb_private::ArchSpec::GetAddressByteSize(), lldb_private::AddressRange::GetBaseAddress(), lldb_private::AddressRange::GetByteSize(), lldb_private::Opcode::GetByteSize(), lldb_private::Address::GetFileAddress(), lldb_private::UnwindPlan::GetInitialCFARegister(), lldb_private::InstructionList::GetInstructionAtIndex(), lldb_private::UnwindPlan::GetLastRow(), lldb_private::GetLog(), lldb_private::InstructionList::GetMaxOpcocdeByteSize(), lldb_private::Instruction::GetOpcode(), lldb_private::UnwindPlan::GetRegisterKind(), lldb_private::UnwindPlan::GetRowCount(), lldb_private::InstructionList::GetSize(), lldb_private::StreamString::GetString(), lldb_private::Log::GetVerbose(), lldb_private::UnwindPlan::InsertRow(), lldb_private::Address::IsValid(), LLDB_REGNUM_GENERIC_SP, lldb_private::UnwindAssembly::m_arch, m_cfa_reg_info, m_curr_row, m_curr_row_modified, m_forward_branch_offset, m_fp_is_cfa, m_initial_sp, m_inst_emulator_up, m_pushed_regs, m_range_ptr, m_register_values, m_unwind_plan_ptr, lldb_private::FormatEntity::Parse(), lldb_private::Stream::Printf(), lldb_private::Log::PutString(), lldb_private::UnwindPlan::Row::SetOffset(), SetRegisterValue(), lldb_private::RegisterValue::SetUInt(), and lldb_private::EmulateInstruction::UnconditionalCondition.

GetPluginDescriptionStatic()

llvm::StringRef UnwindAssemblyInstEmulation::GetPluginDescriptionStatic ( )

static

Definition at line 345 of file UnwindAssemblyInstEmulation.cpp.

Referenced by Initialize().

GetPluginName()

llvm::StringRef UnwindAssemblyInstEmulation::GetPluginName ( )

inlineoverridevirtual

Implements lldb_private::PluginInterface.

Definition at line 59 of file UnwindAssemblyInstEmulation.h.

References GetPluginNameStatic().

GetPluginNameStatic()

static llvm::StringRef UnwindAssemblyInstEmulation::GetPluginNameStatic ( )

inlinestatic

Definition at line 55 of file UnwindAssemblyInstEmulation.h.

Referenced by GetPluginName(), and Initialize().

GetRegisterValue()

bool UnwindAssemblyInstEmulation::GetRegisterValue ( const lldb_private::RegisterInfo &  reg_info, lldb_private::RegisterValue &  reg_value  )

private

Definition at line 364 of file UnwindAssemblyInstEmulation.cpp.

References m_register_values, MakeRegisterKindValuePair(), and lldb_private::RegisterValue::SetUInt().

Initialize()

void UnwindAssemblyInstEmulation::Initialize ( )

static

Definition at line 336 of file UnwindAssemblyInstEmulation.cpp.

References CreateInstance(), GetPluginDescriptionStatic(), GetPluginNameStatic(), and lldb_private::PluginManager::RegisterPlugin().

MakeRegisterKindValuePair()

uint64_t UnwindAssemblyInstEmulation::MakeRegisterKindValuePair ( const lldb_private::RegisterInfo &  reg_info )

staticprivate

Definition at line 349 of file UnwindAssemblyInstEmulation.cpp.

References lldb_private::EmulateInstruction::GetBestRegisterKindAndNumber().

Referenced by GetRegisterValue(), and SetRegisterValue().

ReadMemory()

size_t UnwindAssemblyInstEmulation::ReadMemory ( lldb_private::EmulateInstruction *  instruction, void *  baton, const lldb_private::EmulateInstruction::Context &  context, lldb::addr_t  addr, void *  dst, size_t  length  )

staticprivate

Definition at line 378 of file UnwindAssemblyInstEmulation.cpp.

References lldb_private::EmulateInstruction::Context::Dump(), lldb_private::GetLog(), lldb_private::StreamString::GetString(), lldb_private::Log::GetVerbose(), lldb_private::Stream::Printf(), and lldb_private::Log::PutString().

Referenced by UnwindAssemblyInstEmulation().

ReadRegister() [1/2]

bool UnwindAssemblyInstEmulation::ReadRegister ( lldb_private::EmulateInstruction *  instruction, const lldb_private::RegisterInfo *  reg_info, lldb_private::RegisterValue &  reg_value  )

private

ReadRegister() [2/2]

static bool UnwindAssemblyInstEmulation::ReadRegister ( lldb_private::EmulateInstruction *  instruction, void *  baton, const lldb_private::RegisterInfo *  reg_info, lldb_private::RegisterValue &  reg_value  )

staticprivate

Referenced by UnwindAssemblyInstEmulation().

SetRegisterValue()

void UnwindAssemblyInstEmulation::SetRegisterValue ( const lldb_private::RegisterInfo &  reg_info, const lldb_private::RegisterValue &  reg_value  )

private

Definition at line 359 of file UnwindAssemblyInstEmulation.cpp.

References m_register_values, and MakeRegisterKindValuePair().

Referenced by GetNonCallSiteUnwindPlanFromAssembly().

Terminate()

void UnwindAssemblyInstEmulation::Terminate ( )

static

Definition at line 341 of file UnwindAssemblyInstEmulation.cpp.

References CreateInstance(), and lldb_private::PluginManager::UnregisterPlugin().

WriteMemory() [1/2]

size_t UnwindAssemblyInstEmulation::WriteMemory ( lldb_private::EmulateInstruction *  instruction, const lldb_private::EmulateInstruction::Context &  context, lldb::addr_t  addr, const void *  dst, size_t  length  )

private

Definition at line 407 of file UnwindAssemblyInstEmulation.cpp.

References lldb_private::EmulateInstruction::Context::ContextInfo::RegisterToRegisterPlusOffset::data_reg, lldb_private::EmulateInstruction::Context::Dump(), lldb_private::DumpDataExtractor(), lldb_private::EmulateInstruction::eContextAbsoluteBranchRegister, lldb_private::EmulateInstruction::eContextAdjustBaseRegister, lldb_private::EmulateInstruction::eContextAdjustPC, lldb_private::EmulateInstruction::eContextAdjustStackPointer, lldb_private::EmulateInstruction::eContextAdvancePC, lldb_private::EmulateInstruction::eContextArithmetic, lldb_private::EmulateInstruction::eContextImmediate, lldb_private::EmulateInstruction::eContextInvalid, lldb_private::EmulateInstruction::eContextPopRegisterOffStack, lldb_private::EmulateInstruction::eContextPushRegisterOnStack, lldb_private::EmulateInstruction::eContextReadOpcode, lldb_private::EmulateInstruction::eContextRegisterLoad, lldb_private::EmulateInstruction::eContextRegisterPlusOffset, lldb_private::EmulateInstruction::eContextRegisterStore, lldb_private::EmulateInstruction::eContextRelativeBranchImmediate, lldb_private::EmulateInstruction::eContextReturnFromException, lldb_private::EmulateInstruction::eContextSupervisorCall, lldb_private::EmulateInstruction::eContextTableBranchReadMemory, lldb_private::EmulateInstruction::eContextWriteMemoryRandomBits, lldb_private::EmulateInstruction::eContextWriteRegisterRandomBits, lldb::eFormatBytes, lldb_private::EmulateInstruction::eInfoTypeRegisterToRegisterPlusOffset, lldb::eRegisterKindGeneric, lldb_private::ArchSpec::GetAddressByteSize(), lldb_private::EmulateInstruction::GetArchitecture(), lldb_private::ArchSpec::GetByteOrder(), lldb_private::EmulateInstruction::Context::GetInfoType(), lldb_private::GetLog(), lldb_private::UnwindPlan::GetRegisterKind(), lldb_private::StreamString::GetString(), lldb_private::Log::GetVerbose(), lldb_private::EmulateInstruction::Context::info, LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_SP, m_curr_row, m_curr_row_modified, m_initial_sp, m_pushed_regs, m_unwind_plan_ptr, lldb_private::Stream::PutCString(), lldb_private::Log::PutString(), lldb_private::EmulateInstruction::Context::ContextInfo::RegisterToRegisterPlusOffset, lldb_private::EmulateInstruction::Context::type, and UINT32_MAX.

WriteMemory() [2/2]

size_t UnwindAssemblyInstEmulation::WriteMemory ( lldb_private::EmulateInstruction *  instruction, void *  baton, const lldb_private::EmulateInstruction::Context &  context, lldb::addr_t  addr, const void *  dst, size_t  length  )

staticprivate

Definition at line 397 of file UnwindAssemblyInstEmulation.cpp.

Referenced by UnwindAssemblyInstEmulation().

WriteRegister() [1/2]

bool UnwindAssemblyInstEmulation::WriteRegister ( lldb_private::EmulateInstruction *  instruction, const lldb_private::EmulateInstruction::Context &  context, const lldb_private::RegisterInfo *  reg_info, const lldb_private::RegisterValue &  reg_value  )

private

WriteRegister() [2/2]

static bool UnwindAssemblyInstEmulation::WriteRegister ( lldb_private::EmulateInstruction *  instruction, void *  baton, const lldb_private::EmulateInstruction::Context &  context, const lldb_private::RegisterInfo *  reg_info, const lldb_private::RegisterValue &  reg_value  )

staticprivate

Referenced by UnwindAssemblyInstEmulation().

Member Data Documentation

m_cfa_reg_info

lldb_private::RegisterInfo UnwindAssemblyInstEmulation::m_cfa_reg_info

private

Definition at line 133 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly().

m_curr_row

lldb_private::UnwindPlan::RowSP UnwindAssemblyInstEmulation::m_curr_row

private

Definition at line 130 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly(), and WriteMemory().

m_curr_row_modified

bool UnwindAssemblyInstEmulation::m_curr_row_modified

private

Definition at line 146 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly(), and WriteMemory().

m_forward_branch_offset

uint32_t UnwindAssemblyInstEmulation::m_forward_branch_offset

private

Definition at line 149 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly().

m_fp_is_cfa

bool UnwindAssemblyInstEmulation::m_fp_is_cfa

private

Definition at line 134 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly().

m_initial_sp

uint64_t UnwindAssemblyInstEmulation::m_initial_sp

private

Definition at line 132 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly(), and WriteMemory().

m_inst_emulator_up

std::unique_ptr<lldb_private::EmulateInstruction> UnwindAssemblyInstEmulation::m_inst_emulator_up

private

Definition at line 127 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly(), and UnwindAssemblyInstEmulation().

m_pushed_regs

PushedRegisterToAddrMap UnwindAssemblyInstEmulation::m_pushed_regs

private

Definition at line 137 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly(), and WriteMemory().

m_range_ptr

lldb_private::AddressRange* UnwindAssemblyInstEmulation::m_range_ptr

private

Definition at line 128 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly().

m_register_values

RegisterValueMap UnwindAssemblyInstEmulation::m_register_values

private

Definition at line 136 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly(), GetRegisterValue(), and SetRegisterValue().

m_unwind_plan_ptr

lldb_private::UnwindPlan* UnwindAssemblyInstEmulation::m_unwind_plan_ptr

private

Definition at line 129 of file UnwindAssemblyInstEmulation.h.

Referenced by GetNonCallSiteUnwindPlanFromAssembly(), and WriteMemory().

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

• UnwindAssemblyInstEmulation.h
• UnwindAssemblyInstEmulation.cpp