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Public Member Functions | Static Public Member Functions | Private Types | Private Member Functions | Static Private Member Functions | Private Attributes | List of all members
UnwindAssemblyInstEmulation Class Reference

#include <UnwindAssemblyInstEmulation.h>

Inheritance diagram for UnwindAssemblyInstEmulation:
Inheritance graph
[legend]

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
 
PluginInterfaceoperator= (const PluginInterface &)=delete
 

Static Public Member Functions

static lldb_private::UnwindAssemblyCreateInstance (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::RegisterValueRegisterValueMap
 

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::EmulateInstructionm_inst_emulator_up
 
lldb_private::AddressRangem_range_ptr
 
lldb_private::UnwindPlanm_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

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

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

◆ 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::RegisterInfo::byte_size, 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_private::RegisterInfo::kinds, 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::RegisterInfo::name, 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

◆ Initialize()

void UnwindAssemblyInstEmulation::Initialize ( )
static

◆ MakeRegisterKindValuePair()

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

◆ 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

◆ 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]

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

Definition at line 478 of file UnwindAssemblyInstEmulation.cpp.

Referenced by UnwindAssemblyInstEmulation().

◆ SetRegisterValue()

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

◆ Terminate()

void UnwindAssemblyInstEmulation::Terminate ( )
static

◆ 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_private::RegisterInfo::kinds, 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

Definition at line 516 of file UnwindAssemblyInstEmulation.cpp.

References lldb_private::EmulateInstruction::Context::ContextInfo::address, lldb_private::EmulateInstruction::Context::Dump(), lldb_private::DumpRegisterValue(), 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::eContextRestoreStackPointer, lldb_private::EmulateInstruction::eContextReturnFromException, lldb_private::EmulateInstruction::eContextSetFramePointer, lldb_private::EmulateInstruction::eContextSupervisorCall, lldb_private::EmulateInstruction::eContextTableBranchReadMemory, lldb_private::EmulateInstruction::eContextWriteMemoryRandomBits, lldb_private::EmulateInstruction::eContextWriteRegisterRandomBits, lldb::eFormatDefault, lldb_private::EmulateInstruction::eInfoTypeAddress, lldb_private::EmulateInstruction::eInfoTypeImmediate, lldb_private::EmulateInstruction::eInfoTypeImmediateSigned, lldb_private::EmulateInstruction::eInfoTypeISA, lldb_private::EmulateInstruction::eInfoTypeISAAndImmediate, lldb_private::EmulateInstruction::eInfoTypeISAAndImmediateSigned, lldb_private::EmulateInstruction::eInfoTypeRegisterPlusOffset, lldb::eRegisterKindGeneric, lldb_private::RegisterValue::GetAsUInt64(), lldb_private::EmulateInstruction::Context::GetInfoType(), lldb_private::GetLog(), lldb_private::UnwindPlan::GetRegisterKind(), GetRegisterValue(), lldb_private::StreamString::GetString(), lldb_private::Log::GetVerbose(), lldb_private::EmulateInstruction::Context::info, lldb_private::EmulateInstruction::Context::ContextInfo::ISAAndImmediate, lldb_private::EmulateInstruction::Context::ContextInfo::ISAAndImmediateSigned, lldb_private::RegisterInfo::kinds, LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_FLAGS, LLDB_REGNUM_GENERIC_PC, LLDB_REGNUM_GENERIC_SP, 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_unwind_plan_ptr, lldb_private::RegisterInfo::name, lldb_private::Stream::Printf(), lldb_private::Stream::PutCString(), lldb_private::Log::PutString(), lldb_private::EmulateInstruction::Context::ContextInfo::RegisterPlusOffset::reg, lldb_private::EmulateInstruction::Context::ContextInfo::RegisterPlusOffset, SetRegisterValue(), lldb_private::EmulateInstruction::Context::ContextInfo::ISAAndImmediateSigned::signed_data32, lldb_private::EmulateInstruction::Context::ContextInfo::signed_immediate, lldb_private::EmulateInstruction::Context::ContextInfo::RegisterPlusOffset::signed_offset, lldb_private::EmulateInstruction::Context::type, lldb_private::EmulateInstruction::Context::ContextInfo::ISAAndImmediate::unsigned_data32, and lldb_private::EmulateInstruction::Context::ContextInfo::unsigned_immediate.

◆ WriteRegister() [2/2]

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

Definition at line 507 of file UnwindAssemblyInstEmulation.cpp.

Referenced by UnwindAssemblyInstEmulation().

Member Data Documentation

◆ m_cfa_reg_info

lldb_private::RegisterInfo UnwindAssemblyInstEmulation::m_cfa_reg_info
private

◆ m_curr_row

lldb_private::UnwindPlan::RowSP UnwindAssemblyInstEmulation::m_curr_row
private

◆ m_curr_row_modified

bool UnwindAssemblyInstEmulation::m_curr_row_modified
private

◆ m_forward_branch_offset

uint32_t UnwindAssemblyInstEmulation::m_forward_branch_offset
private

◆ m_fp_is_cfa

bool UnwindAssemblyInstEmulation::m_fp_is_cfa
private

◆ m_initial_sp

uint64_t UnwindAssemblyInstEmulation::m_initial_sp
private

◆ m_inst_emulator_up

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

◆ m_pushed_regs

PushedRegisterToAddrMap UnwindAssemblyInstEmulation::m_pushed_regs
private

◆ 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

◆ m_unwind_plan_ptr

lldb_private::UnwindPlan* UnwindAssemblyInstEmulation::m_unwind_plan_ptr
private

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