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/DWARFDebugFrame.h"

Public Member Functions
	Instruction (uint8_t Opcode)
Expected< uint64_t >	getOperandAsUnsigned (const CFIProgram &CFIP, uint32_t OperandIdx) const
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 415 of file DWARFDebugFrame.h.

Constructor & Destructor Documentation

Instruction()

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

inline

Definition at line 416 of file DWARFDebugFrame.h.

Member Function Documentation

getOperandAsSigned()

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

Definition at line 462 of file DWARFDebugFrame.cpp.

References llvm::createStringError(), llvm::dwarf::CFIProgram::dataAlign(), llvm::invalid_argument, llvm_unreachable, and llvm::dwarf::CFIProgram::MaxOperands.

getOperandAsUnsigned()

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

Definition at line 417 of file DWARFDebugFrame.cpp.

References llvm::dwarf::CFIProgram::codeAlign(), llvm::createStringError(), llvm::invalid_argument, llvm_unreachable, llvm::dwarf::CFIProgram::MaxOperands, Opcode, and Ops.

Member Data Documentation

Expression

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

Definition at line 421 of file DWARFDebugFrame.h.

Opcode

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

Definition at line 418 of file DWARFDebugFrame.h.

Referenced by getOperandAsUnsigned().

Ops

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

Definition at line 419 of file DWARFDebugFrame.h.

Referenced by getOperandAsUnsigned().

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

• include/llvm/DebugInfo/DWARF/DWARFDebugFrame.h
• lib/DebugInfo/DWARF/DWARFDebugFrame.cpp