lib

Documentation

Index

• func Instruction_Length(instr Instruction) (int, error)
• func IsInt(op Operand) bool
• func IsRegister(op Operand) bool
• type Instruction
• type Instructions
  • func (i Instructions) Add(i2 []Instruction) Instructions
  • func (i Instructions) Encode() (MachineCode, error)
  • func (i Instructions) String() string
• type MachineCode
  • func CompileInstruction(instr []Instruction, debug bool) (MachineCode, error)
  • func (m MachineCode) Add(m2 MachineCode) MachineCode
  • func (m MachineCode) Execute(debug bool) int
  • func (m MachineCode) String() string
• type Operand
• type Size
• type Type
  • func (i Type) String() string

Functions

func Instruction_Length

func Instruction_Length(instr Instruction) (int, error)

func IsInt

func IsInt(op Operand) bool

func IsRegister

func IsRegister(op Operand) bool

Types

type Instruction

type Instruction interface {
	Encode() (MachineCode, error)
	String() string
}

type Instructions

type Instructions []Instruction

func (Instructions) Add

func (i Instructions) Add(i2 []Instruction) Instructions

func (Instructions) Encode

func (i Instructions) Encode() (MachineCode, error)

func (Instructions) String

func (i Instructions) String() string

type MachineCode

type MachineCode []uint8

func CompileInstruction

func CompileInstruction(instr []Instruction, debug bool) (MachineCode, error)

func (MachineCode) Add

func (m MachineCode) Add(m2 MachineCode) MachineCode

func (MachineCode) Execute

func (m MachineCode) Execute(debug bool) int

func (MachineCode) String

func (m MachineCode) String() string

type Operand

type Operand interface {
	Type() Type
	String() string
	Width() Size
}

type Size

type Size uint8

const (
	BYTE     Size = 1
	WORD     Size = 2
	DOUBLE   Size = 4
	QUADWORD Size = 8
	OWORD    Size = 16
	YWORD    Size = 32
	ZWORD    Size = 64
)

type Type

type Type uint8

const (
	T_Register          Type = iota // e.g. %rax
	T_IndirectRegister  Type = iota // e.g. (%rax)
	T_RIPRelative       Type = iota // e.g. -$0x18(%rip)
	T_SIBRegister       Type = iota // e.g. (%rax, %rcx, 8)  (the address of %rxc * 8 + %rax)
	T_DisplacedRegister Type = iota // e.g. 0x9(%rax)
	// TODO
	T_DisplacedSIBRegister Type = iota // e.g. 0x9(%rax, %rcx, 8) the address of %rcx * 8 + %rax + 9)
	T_Uint8                Type = iota
	T_Uint16               Type = iota
	T_Uint32               Type = iota
	T_Uint64               Type = iota
	T_Int32                Type = iota
	T_Float32              Type = iota
	T_Float64              Type = iota
)

func (Type) String

func (i Type) String() string