LLDB mainline
RegisterContextDarwin_arm64 Class Referenceabstract

#include <RegisterContextDarwin_arm64.h>

Inheritance diagram for RegisterContextDarwin_arm64:
[legend]

Classes

struct  DBG
struct  EXC
struct  FPU
struct  GPR
struct  VReg

Public Member Functions

 RegisterContextDarwin_arm64 (lldb_private::Thread &thread, uint32_t concrete_frame_idx)
 ~RegisterContextDarwin_arm64 () override
void InvalidateAllRegisters () override
size_t GetRegisterCount () override
const lldb_private::RegisterInfoGetRegisterInfoAtIndex (size_t reg) override
size_t GetRegisterSetCount () override
const lldb_private::RegisterSetGetRegisterSet (size_t set) override
bool ReadRegister (const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &reg_value) override
bool WriteRegister (const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &reg_value) override
bool ReadAllRegisterValues (lldb::WritableDataBufferSP &data_sp) override
bool WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) override
uint32_t ConvertRegisterKindToRegisterNumber (lldb::RegisterKind kind, uint32_t num) override
 Convert from a given register numbering scheme to the lldb register numbering scheme.
uint32_t NumSupportedHardwareWatchpoints () override
uint32_t SetHardwareWatchpoint (lldb::addr_t addr, size_t size, bool read, bool write) override
bool ClearHardwareWatchpoint (uint32_t hw_index) override
Public Member Functions inherited from lldb_private::RegisterContext
 RegisterContext (Thread &thread, uint32_t concrete_frame_idx)
 ~RegisterContext () override
void InvalidateIfNeeded (bool force)
virtual lldb::ByteOrder GetByteOrder ()
virtual bool RegisterWriteCausesReconfigure (const llvm::StringRef name)
virtual bool ReconfigureRegisterInfo ()
virtual bool ReadAllRegisterValues (lldb_private::RegisterCheckpoint &reg_checkpoint)
virtual bool WriteAllRegisterValues (const lldb_private::RegisterCheckpoint &reg_checkpoint)
bool CopyFromRegisterContext (lldb::RegisterContextSP context)
virtual uint32_t NumSupportedHardwareBreakpoints ()
virtual uint32_t SetHardwareBreakpoint (lldb::addr_t addr, size_t size)
virtual bool ClearHardwareBreakpoint (uint32_t hw_idx)
virtual bool HardwareSingleStep (bool enable)
virtual Status ReadRegisterValueFromMemory (const lldb_private::RegisterInfo *reg_info, lldb::addr_t src_addr, uint32_t src_len, RegisterValue &reg_value)
virtual Status WriteRegisterValueToMemory (const lldb_private::RegisterInfo *reg_info, lldb::addr_t dst_addr, uint32_t dst_len, const RegisterValue &reg_value)
virtual lldb::tid_t GetThreadID () const
virtual ThreadGetThread ()
const RegisterInfoGetRegisterInfoByName (llvm::StringRef reg_name, uint32_t start_idx=0)
const RegisterInfoGetRegisterInfo (lldb::RegisterKind reg_kind, uint32_t reg_num)
uint64_t GetPC (uint64_t fail_value=LLDB_INVALID_ADDRESS)
uint64_t GetThreadPointer (uint64_t fail_value=LLDB_INVALID_ADDRESS)
bool GetPCForSymbolication (Address &address)
 Get an address suitable for symbolication.
bool SetPC (uint64_t pc)
bool SetPC (Address addr)
uint64_t GetSP (uint64_t fail_value=LLDB_INVALID_ADDRESS)
bool SetSP (uint64_t sp)
uint64_t GetFP (uint64_t fail_value=LLDB_INVALID_ADDRESS)
bool SetFP (uint64_t fp)
const char * GetRegisterName (uint32_t reg)
uint64_t GetReturnAddress (uint64_t fail_value=LLDB_INVALID_ADDRESS)
uint64_t GetFlags (uint64_t fail_value=0)
uint64_t ReadRegisterAsUnsigned (uint32_t reg, uint64_t fail_value)
uint64_t ReadRegisterAsUnsigned (const RegisterInfo *reg_info, uint64_t fail_value)
bool WriteRegisterFromUnsigned (uint32_t reg, uint64_t uval)
bool WriteRegisterFromUnsigned (const RegisterInfo *reg_info, uint64_t uval)
bool ConvertBetweenRegisterKinds (lldb::RegisterKind source_rk, uint32_t source_regnum, lldb::RegisterKind target_rk, uint32_t &target_regnum)
lldb::TargetSP CalculateTarget () override
lldb::ProcessSP CalculateProcess () override
lldb::ThreadSP CalculateThread () override
lldb::StackFrameSP CalculateStackFrame () override
void CalculateExecutionContext (ExecutionContext &exe_ctx) override
 Reconstruct the object's execution context into sc.
uint32_t GetStopID () const
void SetStopID (uint32_t stop_id)
Public Member Functions inherited from lldb_private::ExecutionContextScope
virtual ~ExecutionContextScope ()=default

Static Public Member Functions

static void LogDBGRegisters (lldb_private::Log *log, const DBG &dbg)

Protected Types

enum  { GPRRegSet = 6 , FPURegSet = 17 , EXCRegSet = 7 , DBGRegSet = 15 }
enum  { GPRWordCount = sizeof(GPR) / sizeof(uint32_t) , FPUWordCount = sizeof(FPU) / sizeof(uint32_t) , EXCWordCount , DBGWordCount = sizeof(DBG) / sizeof(uint32_t) }
enum  { Read = 0 , Write = 1 , kNumErrors = 2 }

Protected Member Functions

void InvalidateAllRegisterStates ()
int GetError (int flavor, uint32_t err_idx) const
bool SetError (int flavor, uint32_t err_idx, int err)
bool RegisterSetIsCached (int set) const
int ReadGPR (bool force)
int ReadFPU (bool force)
int ReadEXC (bool force)
int ReadDBG (bool force)
int WriteGPR ()
int WriteFPU ()
int WriteEXC ()
int WriteDBG ()
virtual int DoReadGPR (lldb::tid_t tid, int flavor, GPR &gpr)
virtual int DoReadFPU (lldb::tid_t tid, int flavor, FPU &fpu)=0
virtual int DoReadEXC (lldb::tid_t tid, int flavor, EXC &exc)=0
virtual int DoReadDBG (lldb::tid_t tid, int flavor, DBG &dbg)=0
virtual int DoWriteGPR (lldb::tid_t tid, int flavor, const GPR &gpr)=0
virtual int DoWriteFPU (lldb::tid_t tid, int flavor, const FPU &fpu)=0
virtual int DoWriteEXC (lldb::tid_t tid, int flavor, const EXC &exc)=0
virtual int DoWriteDBG (lldb::tid_t tid, int flavor, const DBG &dbg)=0
int ReadRegisterSet (uint32_t set, bool force)
int WriteRegisterSet (uint32_t set)
Protected Member Functions inherited from lldb_private::RegisterContext
virtual bool BehavesLikeZerothFrame () const
 Indicates that this frame is currently executing code, that the PC value is not a return-pc but an actual executing instruction.

Static Protected Member Functions

static uint32_t GetRegisterNumber (uint32_t reg_kind, uint32_t reg_num)
static int GetSetForNativeRegNum (int reg_num)
static size_t GetRegisterInfosCount ()
static const lldb_private::RegisterInfoGetRegisterInfos ()

Protected Attributes

GPR gpr
FPU fpu
EXC exc
DBG dbg
int gpr_errs [2]
int fpu_errs [2]
int exc_errs [2]
int dbg_errs [2]
Protected Attributes inherited from lldb_private::RegisterContext
Threadm_thread
uint32_t m_concrete_frame_idx
uint32_t m_stop_id

Detailed Description

Definition at line 28 of file RegisterContextDarwin_arm64.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
protected
Enumerator
GPRRegSet 
FPURegSet 
EXCRegSet 
DBGRegSet 

Definition at line 105 of file RegisterContextDarwin_arm64.h.

◆ anonymous enum

anonymous enum
protected
Enumerator
Read 
Write 
kNumErrors 

Definition at line 120 of file RegisterContextDarwin_arm64.h.

◆ anonymous enum

anonymous enum
protected
Enumerator
GPRWordCount 
FPUWordCount 
EXCWordCount 
DBGWordCount 

Definition at line 112 of file RegisterContextDarwin_arm64.h.

Constructor & Destructor Documentation

◆ RegisterContextDarwin_arm64()

RegisterContextDarwin_arm64::RegisterContextDarwin_arm64 ( lldb_private::Thread & thread,
uint32_t concrete_frame_idx )

◆ ~RegisterContextDarwin_arm64()

RegisterContextDarwin_arm64::~RegisterContextDarwin_arm64 ( )
overridedefault

Member Function Documentation

◆ ClearHardwareWatchpoint()

bool RegisterContextDarwin_arm64::ClearHardwareWatchpoint ( uint32_t hw_index)
overridevirtual

◆ ConvertRegisterKindToRegisterNumber()

uint32_t RegisterContextDarwin_arm64::ConvertRegisterKindToRegisterNumber ( lldb::RegisterKind kind,
uint32_t num )
overridevirtual

Convert from a given register numbering scheme to the lldb register numbering scheme.

There may be multiple ways to enumerate the registers for a given architecture. ABI references will specify one to be used with DWARF, the register numberings from process plugin, there may be a variation used for eh_frame unwind instructions (e.g. on Darwin), and so on. Register 5 by itself is meaningless - RegisterKind enumeration tells you what context that number should be translated as.

Inside lldb, register numbers are in the eRegisterKindLLDB scheme; arguments which take a register number should take one in that scheme.

eRegisterKindGeneric is a special numbering scheme which gives us constant values for the pc, frame register, stack register, etc., for use within lldb. They may not be defined for all architectures but it allows generic code to translate these common registers into the lldb numbering scheme.

This method translates a given register kind + register number into the eRegisterKindLLDB register numbering.

Parameters
[in]kindThe register numbering scheme (RegisterKind) that the following register number is in.
[in]numA register number in the 'kind' register numbering scheme.
Returns
The equivalent register number in the eRegisterKindLLDB numbering scheme, if possible, else LLDB_INVALID_REGNUM.

Reimplemented from lldb_private::RegisterContext.

Definition at line 685 of file RegisterContextDarwin_arm64.cpp.

References arm64_dwarf::cpsr, arm64_ehframe::cpsr, lldb::eRegisterKindDWARF, lldb::eRegisterKindEHFrame, lldb::eRegisterKindGeneric, lldb::eRegisterKindLLDB, arm64_dwarf::fp, arm64_ehframe::fp, gpr_cpsr, gpr_lr, gpr_pc, gpr_sp, gpr_x0, gpr_x1, gpr_x10, gpr_x11, gpr_x12, gpr_x13, gpr_x14, gpr_x15, gpr_x16, gpr_x17, gpr_x18, gpr_x19, gpr_x2, gpr_x20, gpr_x21, gpr_x22, gpr_x23, gpr_x24, gpr_x25, gpr_x26, gpr_x27, gpr_x28, gpr_x3, gpr_x4, gpr_x5, gpr_x6, gpr_x7, gpr_x8, gpr_x9, LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_FLAGS, LLDB_REGNUM_GENERIC_FP, LLDB_REGNUM_GENERIC_PC, LLDB_REGNUM_GENERIC_RA, LLDB_REGNUM_GENERIC_SP, arm64_dwarf::lr, arm64_ehframe::lr, arm64_dwarf::pc, arm64_ehframe::pc, arm64_dwarf::sp, arm64_ehframe::sp, arm64_dwarf::v0, arm64_dwarf::v1, arm64_dwarf::v10, arm64_dwarf::v11, arm64_dwarf::v12, arm64_dwarf::v13, arm64_dwarf::v14, arm64_dwarf::v15, arm64_dwarf::v16, arm64_dwarf::v17, arm64_dwarf::v18, arm64_dwarf::v19, arm64_dwarf::v2, arm64_dwarf::v20, arm64_dwarf::v21, arm64_dwarf::v22, arm64_dwarf::v23, arm64_dwarf::v24, arm64_dwarf::v25, arm64_dwarf::v26, arm64_dwarf::v27, arm64_dwarf::v28, arm64_dwarf::v29, arm64_dwarf::v3, arm64_dwarf::v30, arm64_dwarf::v31, arm64_dwarf::v4, arm64_dwarf::v5, arm64_dwarf::v6, arm64_dwarf::v7, arm64_dwarf::v8, arm64_dwarf::v9, arm64_dwarf::x0, arm64_ehframe::x0, arm64_dwarf::x1, arm64_ehframe::x1, arm64_dwarf::x10, arm64_ehframe::x10, arm64_dwarf::x11, arm64_ehframe::x11, arm64_dwarf::x12, arm64_ehframe::x12, arm64_dwarf::x13, arm64_ehframe::x13, arm64_dwarf::x14, arm64_ehframe::x14, arm64_dwarf::x15, arm64_ehframe::x15, arm64_dwarf::x16, arm64_ehframe::x16, arm64_dwarf::x17, arm64_ehframe::x17, arm64_dwarf::x18, arm64_ehframe::x18, arm64_dwarf::x19, arm64_ehframe::x19, arm64_dwarf::x2, arm64_ehframe::x2, arm64_dwarf::x20, arm64_ehframe::x20, arm64_dwarf::x21, arm64_ehframe::x21, arm64_dwarf::x22, arm64_ehframe::x22, arm64_dwarf::x23, arm64_ehframe::x23, arm64_dwarf::x24, arm64_ehframe::x24, arm64_dwarf::x25, arm64_ehframe::x25, arm64_dwarf::x26, arm64_ehframe::x26, arm64_dwarf::x27, arm64_ehframe::x27, arm64_dwarf::x28, arm64_ehframe::x28, arm64_dwarf::x3, arm64_ehframe::x3, arm64_dwarf::x4, arm64_ehframe::x4, arm64_dwarf::x5, arm64_ehframe::x5, arm64_dwarf::x6, arm64_ehframe::x6, arm64_dwarf::x7, arm64_ehframe::x7, arm64_dwarf::x8, arm64_ehframe::x8, arm64_dwarf::x9, and arm64_ehframe::x9.

◆ DoReadDBG()

virtual int RegisterContextDarwin_arm64::DoReadDBG ( lldb::tid_t tid,
int flavor,
DBG & dbg )
protectedpure virtual

Implemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

References dbg.

Referenced by ReadDBG().

◆ DoReadEXC()

virtual int RegisterContextDarwin_arm64::DoReadEXC ( lldb::tid_t tid,
int flavor,
EXC & exc )
protectedpure virtual

Implemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

References exc.

Referenced by ReadEXC().

◆ DoReadFPU()

virtual int RegisterContextDarwin_arm64::DoReadFPU ( lldb::tid_t tid,
int flavor,
FPU & fpu )
protectedpure virtual

Implemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

References fpu.

Referenced by ReadFPU().

◆ DoReadGPR()

virtual int RegisterContextDarwin_arm64::DoReadGPR ( lldb::tid_t tid,
int flavor,
GPR & gpr )
inlineprotectedvirtual

Reimplemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

Definition at line 202 of file RegisterContextDarwin_arm64.h.

References gpr.

Referenced by ReadGPR().

◆ DoWriteDBG()

virtual int RegisterContextDarwin_arm64::DoWriteDBG ( lldb::tid_t tid,
int flavor,
const DBG & dbg )
protectedpure virtual

Implemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

References dbg.

Referenced by WriteDBG().

◆ DoWriteEXC()

virtual int RegisterContextDarwin_arm64::DoWriteEXC ( lldb::tid_t tid,
int flavor,
const EXC & exc )
protectedpure virtual

Implemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

References exc.

Referenced by WriteEXC().

◆ DoWriteFPU()

virtual int RegisterContextDarwin_arm64::DoWriteFPU ( lldb::tid_t tid,
int flavor,
const FPU & fpu )
protectedpure virtual

Implemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

References fpu.

Referenced by WriteFPU().

◆ DoWriteGPR()

virtual int RegisterContextDarwin_arm64::DoWriteGPR ( lldb::tid_t tid,
int flavor,
const GPR & gpr )
protectedpure virtual

Implemented in RegisterContextDarwin_arm64_Mach, and RegisterContextKDP_arm64.

References gpr.

Referenced by WriteGPR().

◆ GetError()

int RegisterContextDarwin_arm64::GetError ( int flavor,
uint32_t err_idx ) const
inlineprotected

◆ GetRegisterCount()

size_t RegisterContextDarwin_arm64::GetRegisterCount ( )
overridevirtual

◆ GetRegisterInfoAtIndex()

const RegisterInfo * RegisterContextDarwin_arm64::GetRegisterInfoAtIndex ( size_t reg)
overridevirtual

◆ GetRegisterInfos()

const RegisterInfo * RegisterContextDarwin_arm64::GetRegisterInfos ( )
staticprotected

Definition at line 129 of file RegisterContextDarwin_arm64.cpp.

◆ GetRegisterInfosCount()

size_t RegisterContextDarwin_arm64::GetRegisterInfosCount ( )
staticprotected

Definition at line 125 of file RegisterContextDarwin_arm64.cpp.

References k_num_register_infos.

◆ GetRegisterNumber()

uint32_t RegisterContextDarwin_arm64::GetRegisterNumber ( uint32_t reg_kind,
uint32_t reg_num )
staticprotected

◆ GetRegisterSet()

const RegisterSet * RegisterContextDarwin_arm64::GetRegisterSet ( size_t set)
overridevirtual

Implements lldb_private::RegisterContext.

Definition at line 154 of file RegisterContextDarwin_arm64.cpp.

References g_reg_sets, and k_num_regsets.

◆ GetRegisterSetCount()

size_t RegisterContextDarwin_arm64::GetRegisterSetCount ( )
overridevirtual

Implements lldb_private::RegisterContext.

Definition at line 150 of file RegisterContextDarwin_arm64.cpp.

References k_num_regsets.

◆ GetSetForNativeRegNum()

int RegisterContextDarwin_arm64::GetSetForNativeRegNum ( int reg_num)
staticprotected

Definition at line 161 of file RegisterContextDarwin_arm64.cpp.

References exc_far, EXCRegSet, FPURegSet, GPRRegSet, and k_num_registers.

Referenced by ReadRegister(), and WriteRegister().

◆ InvalidateAllRegisters()

void RegisterContextDarwin_arm64::InvalidateAllRegisters ( )
overridevirtual

◆ InvalidateAllRegisterStates()

void RegisterContextDarwin_arm64::InvalidateAllRegisterStates ( )
inlineprotected

Definition at line 131 of file RegisterContextDarwin_arm64.h.

References EXCRegSet, FPURegSet, GPRRegSet, Read, and SetError().

Referenced by InvalidateAllRegisters().

◆ LogDBGRegisters()

void RegisterContextDarwin_arm64::LogDBGRegisters ( lldb_private::Log * log,
const DBG & dbg )
static

Definition at line 282 of file RegisterContextDarwin_arm64.cpp.

References dbg, and LLDB_LOGF.

◆ NumSupportedHardwareWatchpoints()

uint32_t RegisterContextDarwin_arm64::NumSupportedHardwareWatchpoints ( )
overridevirtual

Reimplemented from lldb_private::RegisterContext.

Definition at line 919 of file RegisterContextDarwin_arm64.cpp.

References UINT32_MAX.

Referenced by ClearHardwareWatchpoint(), and SetHardwareWatchpoint().

◆ ReadAllRegisterValues()

bool RegisterContextDarwin_arm64::ReadAllRegisterValues ( lldb::WritableDataBufferSP & data_sp)
overridevirtual

◆ ReadDBG()

int RegisterContextDarwin_arm64::ReadDBG ( bool force)
protected

◆ ReadEXC()

int RegisterContextDarwin_arm64::ReadEXC ( bool force)
protected

◆ ReadFPU()

int RegisterContextDarwin_arm64::ReadFPU ( bool force)
protected

◆ ReadGPR()

int RegisterContextDarwin_arm64::ReadGPR ( bool force)
protected

◆ ReadRegister()

◆ ReadRegisterSet()

int RegisterContextDarwin_arm64::ReadRegisterSet ( uint32_t set,
bool force )
protected

◆ RegisterSetIsCached()

bool RegisterContextDarwin_arm64::RegisterSetIsCached ( int set) const
inlineprotected

◆ SetError()

bool RegisterContextDarwin_arm64::SetError ( int flavor,
uint32_t err_idx,
int err )
inlineprotected

◆ SetHardwareWatchpoint()

uint32_t RegisterContextDarwin_arm64::SetHardwareWatchpoint ( lldb::addr_t addr,
size_t size,
bool read,
bool write )
overridevirtual

◆ WriteAllRegisterValues()

bool RegisterContextDarwin_arm64::WriteAllRegisterValues ( const lldb::DataBufferSP & data_sp)
overridevirtual

◆ WriteDBG()

◆ WriteEXC()

int RegisterContextDarwin_arm64::WriteEXC ( )
protected

◆ WriteFPU()

int RegisterContextDarwin_arm64::WriteFPU ( )
protected

◆ WriteGPR()

int RegisterContextDarwin_arm64::WriteGPR ( )
protected

◆ WriteRegister()

◆ WriteRegisterSet()

int RegisterContextDarwin_arm64::WriteRegisterSet ( uint32_t set)
protected

Member Data Documentation

◆ dbg

◆ dbg_errs

int RegisterContextDarwin_arm64::dbg_errs[2]
protected

Definition at line 129 of file RegisterContextDarwin_arm64.h.

Referenced by GetError().

◆ exc

◆ exc_errs

int RegisterContextDarwin_arm64::exc_errs[2]
protected

Definition at line 128 of file RegisterContextDarwin_arm64.h.

Referenced by GetError(), RegisterContextDarwin_arm64(), and SetError().

◆ fpu

◆ fpu_errs

int RegisterContextDarwin_arm64::fpu_errs[2]
protected

Definition at line 127 of file RegisterContextDarwin_arm64.h.

Referenced by GetError(), RegisterContextDarwin_arm64(), and SetError().

◆ gpr

◆ gpr_errs

int RegisterContextDarwin_arm64::gpr_errs[2]
protected

Definition at line 126 of file RegisterContextDarwin_arm64.h.

Referenced by GetError(), RegisterContextDarwin_arm64(), and SetError().


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