microprobe.target.isa.operand.Operand

class Operand(name, descr)

Bases: ABC

This represents a machine instruction operand

__init__(name, descr)

Parameters:

• name

• descr

Methods

__init__(name, descr)	param name:
access(value)	param value:
check(value)	Check if a value is valid for the operand.
codification(value)	Return the binary codification of the operand.
copy()	Return a copy of the operand.
random_value(rand)	Return a random possible value for the operand.
representation(value)	Return the string representation of the operand.
set_valid_values(values)	Sets the set of valid value for the operand.
values()	Return the possible value of the operand.

Attributes

address_absolute	Operand is for generating absolute addresses (bool).
address_base	Operand is the base register for an address (bool).
address_immediate	Operand is an immediate of an address (bool).
address_index	Operand is the index register for an address (bool).
address_relative	Operand is for generating relative addresses (bool).
constant	Operand is constant (bool).
description	Operand description (str).
float	Operand is float (bool).
immediate	Operand is immediate (bool).
name	Operand name (str).
vector	Operand is vector (bool).

---

property name

Operand name (str).

property description

Operand description (str).

property address_relative

Operand is for generating relative addresses (bool).

property address_absolute

Operand is for generating absolute addresses (bool).

property address_immediate

Operand is an immediate of an address (bool).

property float

Operand is float (bool).

property address_base

Operand is the base register for an address (bool).

property address_index

Operand is the index register for an address (bool).

property immediate

Operand is immediate (bool).

property vector

Operand is vector (bool).

property constant

Operand is constant (bool).

copy()

Return a copy of the operand.

values()

Return the possible value of the operand.

random_value(rand: Random)

Return a random possible value for the operand.

representation(value)

Return the string representation of the operand.

Parameters:

value (str, Register or int) – value of the operand

Return type:

str

codification(value)

Return the binary codification of the operand.

Parameters:

value (str, Register or int) – value of the operand.

Return type:

str

access(value)

Parameters:

value

set_valid_values(values)

Sets the set of valid value for the operand.

Parameters:

value (list of str, Register or int) – value of the operand.

check(value)

Check if a value is valid for the operand.

Parameters:

value (str, Register or int) – value of the operand.

Raises:

microprobe.exceptions.MicroprobeValueError – if the value is not allowed for the operand