llvm::dwarf::CFIProgram::Instruction Struct Reference

An instruction consists of a DWARF CFI opcode and an optional sequence of operands. More...

#include "llvm/DebugInfo/DWARF/LowLevel/DWARFCFIProgram.h"

Public Member Functions
	Instruction (uint8_t Opcode)
LLVM_ABI Expected< uint64_t >	getOperandAsUnsigned (const CFIProgram &CFIP, uint32_t OperandIdx) const
LLVM_ABI Expected< int64_t >	getOperandAsSigned (const CFIProgram &CFIP, uint32_t OperandIdx) const

Public Attributes
uint8_t	Opcode
Operands	Ops
std::optional< DWARFExpression >	Expression

Detailed Description

An instruction consists of a DWARF CFI opcode and an optional sequence of operands.

If it refers to an expression, then this expression has its own sequence of operations and operands handled separately by DWARFExpression.

Definition at line 42 of file DWARFCFIProgram.h.

Constructor & Destructor Documentation

Instruction()

llvm::dwarf::CFIProgram::Instruction::Instruction ( uint8_t  Opcode )

inline

Definition at line 43 of file DWARFCFIProgram.h.

Member Function Documentation

getOperandAsSigned()

llvm::Expected< int64_t > CFIProgram::Instruction::getOperandAsSigned	(	const CFIProgram &	CFIP,
		uint32_t	OperandIdx
	)		const

Definition at line 90 of file DWARFCFIProgram.cpp.

References llvm::createStringError(), llvm::dwarf::CFIProgram::dataAlign(), llvm::dwarf::CFIProgram::getOperandTypes(), llvm::invalid_argument, llvm_unreachable, llvm::dwarf::CFIProgram::MaxOperands, llvm::dwarf::CFIProgram::operandTypeString(), llvm::dwarf::CFIProgram::OT_Address, llvm::dwarf::CFIProgram::OT_AddressSpace, llvm::dwarf::CFIProgram::OT_Expression, llvm::dwarf::CFIProgram::OT_FactoredCodeOffset, llvm::dwarf::CFIProgram::OT_None, llvm::dwarf::CFIProgram::OT_Offset, llvm::dwarf::CFIProgram::OT_Register, llvm::dwarf::CFIProgram::OT_SignedFactDataOffset, llvm::dwarf::CFIProgram::OT_Unset, and llvm::dwarf::CFIProgram::OT_UnsignedFactDataOffset.

getOperandAsUnsigned()

llvm::Expected< uint64_t > CFIProgram::Instruction::getOperandAsUnsigned	(	const CFIProgram &	CFIP,
		uint32_t	OperandIdx
	)		const

Definition at line 45 of file DWARFCFIProgram.cpp.

References llvm::dwarf::CFIProgram::codeAlign(), llvm::createStringError(), llvm::dwarf::CFIProgram::getOperandTypes(), llvm::invalid_argument, llvm_unreachable, llvm::dwarf::CFIProgram::MaxOperands, Opcode, llvm::dwarf::CFIProgram::operandTypeString(), Ops, llvm::dwarf::CFIProgram::OT_Address, llvm::dwarf::CFIProgram::OT_AddressSpace, llvm::dwarf::CFIProgram::OT_Expression, llvm::dwarf::CFIProgram::OT_FactoredCodeOffset, llvm::dwarf::CFIProgram::OT_None, llvm::dwarf::CFIProgram::OT_Offset, llvm::dwarf::CFIProgram::OT_Register, llvm::dwarf::CFIProgram::OT_SignedFactDataOffset, llvm::dwarf::CFIProgram::OT_Unset, and llvm::dwarf::CFIProgram::OT_UnsignedFactDataOffset.

Member Data Documentation

Expression

std::optional<DWARFExpression> llvm::dwarf::CFIProgram::Instruction::Expression

Definition at line 48 of file DWARFCFIProgram.h.

Opcode

uint8_t llvm::dwarf::CFIProgram::Instruction::Opcode

Definition at line 45 of file DWARFCFIProgram.h.

Referenced by getOperandAsUnsigned().

Ops

Operands llvm::dwarf::CFIProgram::Instruction::Ops

Definition at line 46 of file DWARFCFIProgram.h.

Referenced by getOperandAsUnsigned().

---

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

• include/llvm/DebugInfo/DWARF/LowLevel/DWARFCFIProgram.h
• lib/DebugInfo/DWARF/LowLevel/DWARFCFIProgram.cpp