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lldb_private::EmulateInstructionPPC64 Class Reference

#include <EmulateInstructionPPC64.h>

Inheritance diagram for lldb_private::EmulateInstructionPPC64:
[legend]

Classes

struct  Opcode

Public Member Functions

 EmulateInstructionPPC64 (const ArchSpec &arch)
llvm::StringRef GetPluginName () override
bool SetTargetTriple (const ArchSpec &arch) override
bool SupportsEmulatingInstructionsOfType (InstructionType inst_type) override
bool ReadInstruction () override
bool EvaluateInstruction (uint32_t evaluate_options) override
bool TestEmulation (Stream &out_stream, ArchSpec &arch, OptionValueDictionary *test_data) override
std::optional< RegisterInfo > GetRegisterInfo (lldb::RegisterKind reg_kind, uint32_t reg_num) override
bool CreateFunctionEntryUnwind (UnwindPlan &unwind_plan) override
Public Member Functions inherited from lldb_private::EmulateInstruction
 EmulateInstruction (const ArchSpec &arch)
 ~EmulateInstruction () override=default
virtual std::optional< uint32_t > GetLastInstrSize ()
virtual InstructionCondition GetInstructionCondition ()
virtual bool SetInstruction (const Opcode &insn_opcode, const Address &inst_addr, Target *target)
std::optional< RegisterValue > ReadRegister (const RegisterInfo &reg_info)
uint64_t ReadRegisterUnsigned (const RegisterInfo &reg_info, uint64_t fail_value, bool *success_ptr)
bool WriteRegister (const Context &context, const RegisterInfo &ref_info, const RegisterValue &reg_value)
bool WriteRegisterUnsigned (const Context &context, const RegisterInfo &reg_info, uint64_t reg_value)
bool ReadRegister (lldb::RegisterKind reg_kind, uint32_t reg_num, RegisterValue &reg_value)
bool WriteRegister (const Context &context, lldb::RegisterKind reg_kind, uint32_t reg_num, const RegisterValue &reg_value)
uint64_t ReadRegisterUnsigned (lldb::RegisterKind reg_kind, uint32_t reg_num, uint64_t fail_value, bool *success_ptr)
bool WriteRegisterUnsigned (const Context &context, lldb::RegisterKind reg_kind, uint32_t reg_num, uint64_t reg_value)
size_t ReadMemory (const Context &context, lldb::addr_t addr, void *dst, size_t dst_len)
uint64_t ReadMemoryUnsigned (const Context &context, lldb::addr_t addr, size_t byte_size, uint64_t fail_value, bool *success_ptr)
bool WriteMemory (const Context &context, lldb::addr_t addr, const void *src, size_t src_len)
bool WriteMemoryUnsigned (const Context &context, lldb::addr_t addr, uint64_t uval, size_t uval_byte_size)
uint32_t GetAddressByteSize () const
lldb::ByteOrder GetByteOrder () const
const Opcode & GetOpcode () const
lldb::addr_t GetAddress () const
const ArchSpec & GetArchitecture () const
void SetBaton (void *baton)
void SetCallbacks (ReadMemoryCallback read_mem_callback, WriteMemoryCallback write_mem_callback, ReadRegisterCallback read_reg_callback, WriteRegisterCallback write_reg_callback)
void SetReadMemCallback (ReadMemoryCallback read_mem_callback)
void SetWriteMemCallback (WriteMemoryCallback write_mem_callback)
void SetReadRegCallback (ReadRegisterCallback read_reg_callback)
void SetWriteRegCallback (WriteRegisterCallback write_reg_callback)
std::optional< lldb::addr_t > ReadPC ()
bool WritePC (lldb::addr_t addr)
Public Member Functions inherited from lldb_private::PluginInterface
 PluginInterface ()=default
virtual ~PluginInterface ()=default
 PluginInterface (const PluginInterface &)=delete
PluginInterface & operator= (const PluginInterface &)=delete

Static Public Member Functions

static void Initialize ()
static void Terminate ()
static llvm::StringRef GetPluginNameStatic ()
static llvm::StringRef GetPluginDescriptionStatic ()
static EmulateInstruction * CreateInstance (const ArchSpec &arch, InstructionType inst_type)
static bool SupportsEmulatingInstructionsOfTypeStatic (InstructionType inst_type)
Static Public Member Functions inherited from lldb_private::EmulateInstruction
static EmulateInstruction * FindPlugin (const ArchSpec &arch, InstructionType supported_inst_type, const char *plugin_name)
static const char * TranslateRegister (lldb::RegisterKind reg_kind, uint32_t reg_num, std::string &reg_name)
static size_t ReadMemoryFrame (EmulateInstruction *instruction, void *baton, const Context &context, lldb::addr_t addr, void *dst, size_t length)
static size_t WriteMemoryFrame (EmulateInstruction *instruction, void *baton, const Context &context, lldb::addr_t addr, const void *dst, size_t length)
static bool ReadRegisterFrame (EmulateInstruction *instruction, void *baton, const RegisterInfo *reg_info, RegisterValue &reg_value)
static bool WriteRegisterFrame (EmulateInstruction *instruction, void *baton, const Context &context, const RegisterInfo *reg_info, const RegisterValue &reg_value)
static size_t ReadMemoryDefault (EmulateInstruction *instruction, void *baton, const Context &context, lldb::addr_t addr, void *dst, size_t length)
static size_t WriteMemoryDefault (EmulateInstruction *instruction, void *baton, const Context &context, lldb::addr_t addr, const void *dst, size_t length)
static bool ReadRegisterDefault (EmulateInstruction *instruction, void *baton, const RegisterInfo *reg_info, RegisterValue &reg_value)
static bool WriteRegisterDefault (EmulateInstruction *instruction, void *baton, const Context &context, const RegisterInfo *reg_info, const RegisterValue &reg_value)
static bool GetBestRegisterKindAndNumber (const RegisterInfo *reg_info, lldb::RegisterKind &reg_kind, uint32_t &reg_num)
static uint32_t GetInternalRegisterNumber (RegisterContext *reg_ctx, const RegisterInfo &reg_info)
static std::unique_ptr< SingleStepBreakpointLocationsPredictor > CreateBreakpointLocationPredictor (std::unique_ptr< EmulateInstruction > emulator_up)

Private Member Functions

Opcode * GetOpcodeForInstruction (uint32_t opcode)
bool EmulateMFSPR (uint32_t opcode)
bool EmulateLD (uint32_t opcode)
bool EmulateSTD (uint32_t opcode)
bool EmulateOR (uint32_t opcode)
bool EmulateADDI (uint32_t opcode)

Private Attributes

uint32_t m_fp = LLDB_INVALID_REGNUM

Additional Inherited Members

Public Types inherited from lldb_private::EmulateInstruction
enum  ContextType {
  eContextInvalid = 0 , eContextReadOpcode , eContextImmediate , eContextPushRegisterOnStack ,
  eContextPopRegisterOffStack , eContextAdjustStackPointer , eContextSetFramePointer , eContextRestoreStackPointer ,
  eContextAdjustBaseRegister , eContextAdjustPC , eContextRegisterPlusOffset , eContextRegisterStore ,
  eContextRegisterLoad , eContextRelativeBranchImmediate , eContextAbsoluteBranchRegister , eContextSupervisorCall ,
  eContextTableBranchReadMemory , eContextWriteRegisterRandomBits , eContextWriteMemoryRandomBits , eContextArithmetic ,
  eContextAdvancePC , eContextReturnFromException
}
enum  InfoType {
  eInfoTypeRegisterPlusOffset , eInfoTypeRegisterPlusIndirectOffset , eInfoTypeRegisterToRegisterPlusOffset , eInfoTypeRegisterToRegisterPlusIndirectOffset ,
  eInfoTypeRegisterRegisterOperands , eInfoTypeOffset , eInfoTypeRegister , eInfoTypeImmediate ,
  eInfoTypeImmediateSigned , eInfoTypeAddress , eInfoTypeISAAndImmediate , eInfoTypeISAAndImmediateSigned ,
  eInfoTypeISA , eInfoTypeNoArgs
}
typedef size_t(* ReadMemoryCallback) (EmulateInstruction *instruction, void *baton, const Context &context, lldb::addr_t addr, void *dst, size_t length)
typedef size_t(* WriteMemoryCallback) (EmulateInstruction *instruction, void *baton, const Context &context, lldb::addr_t addr, const void *dst, size_t length)
typedef bool(* ReadRegisterCallback) (EmulateInstruction *instruction, void *baton, const RegisterInfo *reg_info, RegisterValue &reg_value)
typedef bool(* WriteRegisterCallback) (EmulateInstruction *instruction, void *baton, const Context &context, const RegisterInfo *reg_info, const RegisterValue &reg_value)
typedef uint32_t InstructionCondition
Static Public Attributes inherited from lldb_private::EmulateInstruction
static const InstructionCondition UnconditionalCondition = UINT32_MAX
Protected Types inherited from lldb_private::EmulateInstruction
using BreakpointLocationsPredictorCreator
Protected Attributes inherited from lldb_private::EmulateInstruction
ArchSpec m_arch
void * m_baton = nullptr
ReadMemoryCallback m_read_mem_callback = &ReadMemoryDefault
WriteMemoryCallback m_write_mem_callback = &WriteMemoryDefault
ReadRegisterCallback m_read_reg_callback = &ReadRegisterDefault
WriteRegisterCallback m_write_reg_callback = &WriteRegisterDefault
lldb::addr_t m_addr = LLDB_INVALID_ADDRESS
Opcode m_opcode

Detailed Description

Definition at line 19 of file EmulateInstructionPPC64.h.

Constructor & Destructor Documentation

◆ EmulateInstructionPPC64()

EmulateInstructionPPC64::EmulateInstructionPPC64 ( const ArchSpec & arch)

Definition at line 31 of file EmulateInstructionPPC64.cpp.

References lldb_private::EmulateInstruction::EmulateInstruction(), and EmulateInstructionPPC64().

Referenced by CreateInstance(), and EmulateInstructionPPC64().

Member Function Documentation

◆ CreateFunctionEntryUnwind()

bool EmulateInstructionPPC64::CreateFunctionEntryUnwind ( UnwindPlan & unwind_plan)
overridevirtual

Reimplemented from lldb_private::EmulateInstruction.

Definition at line 116 of file EmulateInstructionPPC64.cpp.

References lldb_private::UnwindPlan::AppendRow(), lldb_private::UnwindPlan::Clear(), lldb_private::eLazyBoolNo, lldb_private::eLazyBoolYes, lldb::eRegisterKindLLDB, lldb_private::UnwindPlan::Row::GetCFAValue(), gpr_lr_ppc64le, gpr_r1_ppc64le, lldb_private::UnwindPlan::Row::FAValue::SetIsRegisterPlusOffset(), lldb_private::UnwindPlan::SetRegisterKind(), lldb_private::UnwindPlan::SetReturnAddressRegister(), lldb_private::UnwindPlan::SetSourcedFromCompiler(), lldb_private::UnwindPlan::SetSourceName(), lldb_private::UnwindPlan::SetUnwindPlanForSignalTrap(), and lldb_private::UnwindPlan::SetUnwindPlanValidAtAllInstructions().

◆ CreateInstance()

EmulateInstruction * EmulateInstructionPPC64::CreateInstance ( const ArchSpec & arch,
InstructionType inst_type )
static

Definition at line 48 of file EmulateInstructionPPC64.cpp.

References EmulateInstructionPPC64(), lldb_private::ArchSpec::GetTriple(), and SupportsEmulatingInstructionsOfTypeStatic().

Referenced by Initialize(), and Terminate().

◆ EmulateADDI()

bool EmulateInstructionPPC64::EmulateADDI ( uint32_t opcode)
private

Definition at line 359 of file EmulateInstructionPPC64.cpp.

References lldb_private::Bits32(), lldb_private::EmulateInstruction::eContextRestoreStackPointer, lldb::eRegisterKindLLDB, lldb_private::GetLog(), GetRegisterInfo(), gpr_r1_ppc64le, LLDB_LOG, lldb_private::EmulateInstruction::m_addr, ra, lldb_private::EmulateInstruction::ReadRegisterUnsigned(), lldb_private::EmulateInstruction::Context::SetRegisterToRegisterPlusOffset(), lldb_private::EmulateInstruction::Context::type, lldb_private::Unwind, and lldb_private::EmulateInstruction::WriteRegisterUnsigned().

Referenced by GetOpcodeForInstruction().

◆ EmulateLD()

bool EmulateInstructionPPC64::EmulateLD ( uint32_t opcode)
private

Definition at line 228 of file EmulateInstructionPPC64.cpp.

References lldb_private::Bits32(), lldb_private::EmulateInstruction::eContextRestoreStackPointer, lldb::eRegisterKindLLDB, lldb_private::GetLog(), GetRegisterInfo(), gpr_r1_ppc64le, LLDB_LOG, lldb_private::EmulateInstruction::m_addr, ra, lldb_private::EmulateInstruction::Context::SetRegisterToRegisterPlusOffset(), lldb_private::EmulateInstruction::Context::type, lldb_private::Unwind, and lldb_private::EmulateInstruction::WriteRegisterUnsigned().

Referenced by GetOpcodeForInstruction().

◆ EmulateMFSPR()

bool EmulateInstructionPPC64::EmulateMFSPR ( uint32_t opcode)
private

Definition at line 203 of file EmulateInstructionPPC64.cpp.

References lldb_private::Bits32(), lldb_private::EmulateInstruction::eContextWriteRegisterRandomBits, lldb::eRegisterKindLLDB, lldb_private::GetLog(), gpr_lr_ppc64le, gpr_r0_ppc64le, LLDB_LOG, lldb_private::EmulateInstruction::m_addr, lldb_private::EmulateInstruction::ReadRegisterUnsigned(), lldb_private::EmulateInstruction::Context::type, lldb_private::Unwind, and lldb_private::EmulateInstruction::WriteRegisterUnsigned().

Referenced by GetOpcodeForInstruction().

◆ EmulateOR()

bool EmulateInstructionPPC64::EmulateOR ( uint32_t opcode)
private

Definition at line 326 of file EmulateInstructionPPC64.cpp.

References lldb_private::Bits32(), lldb_private::EmulateInstruction::eContextSetFramePointer, lldb::eRegisterKindLLDB, lldb_private::GetLog(), GetRegisterInfo(), gpr_r1_ppc64le, gpr_r30_ppc64le, gpr_r31_ppc64le, LLDB_INVALID_REGNUM, LLDB_LOG, lldb_private::EmulateInstruction::m_addr, m_fp, ra, lldb_private::EmulateInstruction::ReadRegisterUnsigned(), lldb_private::EmulateInstruction::Context::SetRegister(), lldb_private::EmulateInstruction::Context::type, lldb_private::Unwind, and lldb_private::EmulateInstruction::WriteRegisterUnsigned().

Referenced by GetOpcodeForInstruction().

◆ EmulateSTD()

bool EmulateInstructionPPC64::EmulateSTD ( uint32_t opcode)
private

Definition at line 258 of file EmulateInstructionPPC64.cpp.

References lldb_private::Bits32(), lldb_private::EmulateInstruction::eContextAdjustStackPointer, lldb_private::EmulateInstruction::eContextPushRegisterOnStack, lldb::eRegisterKindLLDB, lldb_private::GetLog(), GetRegisterInfo(), gpr_lr_ppc64le, gpr_r0_ppc64le, gpr_r1_ppc64le, gpr_r30_ppc64le, gpr_r31_ppc64le, LLDB_LOG, lldb_private::EmulateInstruction::m_addr, ra, lldb_private::EmulateInstruction::ReadRegisterUnsigned(), lldb_private::EmulateInstruction::Context::SetRegisterToRegisterPlusOffset(), lldb_private::EmulateInstruction::Context::type, lldb_private::Unwind, lldb_private::EmulateInstruction::WriteMemory(), and lldb_private::EmulateInstruction::WriteRegisterUnsigned().

Referenced by GetOpcodeForInstruction().

◆ EvaluateInstruction()

bool EmulateInstructionPPC64::EvaluateInstruction ( uint32_t evaluate_options)
overridevirtual

Implements lldb_private::EmulateInstruction.

Definition at line 159 of file EmulateInstructionPPC64.cpp.

References lldb_private::EmulateInstructionPPC64::Opcode::callback, lldb_private::EmulateInstruction::eContextAdvancePC, lldb::eRegisterKindLLDB, GetOpcodeForInstruction(), gpr_pc_ppc64le, lldb_private::EmulateInstruction::m_opcode, lldb_private::EmulateInstruction::ReadRegisterUnsigned(), lldb_private::EmulateInstruction::Context::SetNoArgs(), lldb_private::EmulateInstruction::Context::type, and lldb_private::EmulateInstruction::WriteRegisterUnsigned().

◆ GetOpcodeForInstruction()

EmulateInstructionPPC64::Opcode * EmulateInstructionPPC64::GetOpcodeForInstruction ( uint32_t opcode)
private

Definition at line 136 of file EmulateInstructionPPC64.cpp.

References EmulateADDI(), EmulateLD(), EmulateMFSPR(), EmulateOR(), and EmulateSTD().

Referenced by EvaluateInstruction().

◆ GetPluginDescriptionStatic()

llvm::StringRef EmulateInstructionPPC64::GetPluginDescriptionStatic ( )
static

Definition at line 43 of file EmulateInstructionPPC64.cpp.

Referenced by Initialize().

◆ GetPluginName()

llvm::StringRef lldb_private::EmulateInstructionPPC64::GetPluginName ( )
inlineoverridevirtual

Implements lldb_private::PluginInterface.

Definition at line 48 of file EmulateInstructionPPC64.h.

References GetPluginNameStatic().

◆ GetPluginNameStatic()

llvm::StringRef lldb_private::EmulateInstructionPPC64::GetPluginNameStatic ( )
inlinestatic

Definition at line 27 of file EmulateInstructionPPC64.h.

Referenced by GetPluginName(), and Initialize().

◆ GetRegisterInfo()

std::optional< RegisterInfo > EmulateInstructionPPC64::GetRegisterInfo ( lldb::RegisterKind reg_kind,
uint32_t reg_num )
overridevirtual

Implements lldb_private::EmulateInstruction.

Definition at line 69 of file EmulateInstructionPPC64.cpp.

References lldb::eRegisterKindGeneric, lldb::eRegisterKindLLDB, gpr_cr_ppc64le, gpr_lr_ppc64le, gpr_pc_ppc64le, gpr_r1_ppc64le, LLDB_REGNUM_GENERIC_FLAGS, LLDB_REGNUM_GENERIC_PC, LLDB_REGNUM_GENERIC_RA, LLDB_REGNUM_GENERIC_SP, and LLDBTableGetRegisterInfo().

Referenced by EmulateADDI(), EmulateLD(), EmulateOR(), and EmulateSTD().

◆ Initialize()

void EmulateInstructionPPC64::Initialize ( )
static

Definition at line 34 of file EmulateInstructionPPC64.cpp.

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

◆ ReadInstruction()

bool EmulateInstructionPPC64::ReadInstruction ( )
overridevirtual

Implements lldb_private::EmulateInstruction.

Definition at line 100 of file EmulateInstructionPPC64.cpp.

References lldb_private::EmulateInstruction::eContextReadOpcode, lldb::eRegisterKindGeneric, lldb_private::EmulateInstruction::GetByteOrder(), LLDB_INVALID_ADDRESS, LLDB_REGNUM_GENERIC_PC, lldb_private::EmulateInstruction::m_addr, lldb_private::EmulateInstruction::m_opcode, lldb_private::EmulateInstruction::ReadMemoryUnsigned(), lldb_private::EmulateInstruction::ReadRegisterUnsigned(), lldb_private::EmulateInstruction::Context::SetNoArgs(), and lldb_private::EmulateInstruction::Context::type.

◆ SetTargetTriple()

bool EmulateInstructionPPC64::SetTargetTriple ( const ArchSpec & arch)
overridevirtual

Implements lldb_private::EmulateInstruction.

Definition at line 58 of file EmulateInstructionPPC64.cpp.

References lldb_private::ArchSpec::GetTriple().

◆ SupportsEmulatingInstructionsOfType()

bool lldb_private::EmulateInstructionPPC64::SupportsEmulatingInstructionsOfType ( InstructionType inst_type)
inlineoverridevirtual

Implements lldb_private::EmulateInstruction.

Definition at line 52 of file EmulateInstructionPPC64.h.

References SupportsEmulatingInstructionsOfTypeStatic().

◆ SupportsEmulatingInstructionsOfTypeStatic()

bool lldb_private::EmulateInstructionPPC64::SupportsEmulatingInstructionsOfTypeStatic ( InstructionType inst_type)
inlinestatic

Definition at line 35 of file EmulateInstructionPPC64.h.

References lldb_private::eInstructionTypeAll, lldb_private::eInstructionTypeAny, lldb_private::eInstructionTypePCModifying, and lldb_private::eInstructionTypePrologueEpilogue.

Referenced by CreateInstance(), and SupportsEmulatingInstructionsOfType().

◆ Terminate()

void EmulateInstructionPPC64::Terminate ( )
static

Definition at line 39 of file EmulateInstructionPPC64.cpp.

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

◆ TestEmulation()

bool lldb_private::EmulateInstructionPPC64::TestEmulation ( Stream & out_stream,
ArchSpec & arch,
OptionValueDictionary * test_data )
inlineoverridevirtual

Implements lldb_private::EmulateInstruction.

Definition at line 60 of file EmulateInstructionPPC64.h.

Member Data Documentation

◆ m_fp

uint32_t lldb_private::EmulateInstructionPPC64::m_fp = LLDB_INVALID_REGNUM
private

Definition at line 78 of file EmulateInstructionPPC64.h.

Referenced by EmulateOR().

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