miasm.expression.expression.Expr Class Reference

Inheritance diagram for miasm.expression.expression.Expr:

Collaboration diagram for miasm.expression.expression.Expr:

Public Member Functions
def	set_size (self, _)
def	__init__ (self, size)
def	get_is_canon (self)
def	set_is_canon (self, value)
def	__str__ (self)
def	__getitem__ (self, i)
def	get_size (self)
def	is_function_call (self)
def	__repr__ (self)
def	__hash__ (self)
def	__eq__ (self, other)
def	__ne__ (self, other)
def	__lt__ (self, other)
def	__add__ (self, other)
def	__sub__ (self, other)
def	__div__ (self, other)
def	__floordiv__ (self, other)
def	__mod__ (self, other)
def	__mul__ (self, other)
def	__lshift__ (self, other)
def	__rshift__ (self, other)
def	__xor__ (self, other)
def	__or__ (self, other)
def	__and__ (self, other)
def	__neg__ (self)
def	__pow__ (self, other)
def	__invert__ (self)
def	copy (self)
def	__deepcopy__ (self, _)
def	replace_expr (self, dct)
def	canonize (self)
def	msb (self)
def	zeroExtend (self, size)
def	signExtend (self, size)
def	graph_recursive (self, graph)
def	graph (self)
def	set_mask (self, value)
def	is_int (self, value=None)
def	is_id (self, name=None)
def	is_loc (self, label=None)
def	is_aff (self)
def	is_assign (self)
def	is_cond (self)
def	is_mem (self)
def	is_op (self, op=None)
def	is_slice (self, start=None, stop=None)
def	is_compose (self)
def	is_op_segm (self)
def	is_mem_segm (self)
def	__contains__ (self, expr)
def	visit (self, callback)
def	get_r (self, mem_read=False, cst_read=False)
def	get_w (self, mem_read=False, cst_read=False)

Static Public Member Functions
def	get_object (expr_cls, args)

Static Public Attributes
dictionary	args2expr = {}
	canon_exprs = set()
bool	use_singleton = True

Properties
	size = property(lambda self: self._size)
	is_canon = property(get_is_canon, set_is_canon)
	mask = property(lambda self: ExprInt(-1, self.size))

Constructor & Destructor Documentation

__init__()

def miasm.expression.expression.Expr.__init__	(		self,
			size
	)

Instantiate an Expr with size @size
@size: int

Member Function Documentation

__add__()

def miasm.expression.expression.Expr.__add__	(		self,
			other
	)

__and__()

def miasm.expression.expression.Expr.__and__	(		self,
			other
	)

__contains__()

def miasm.expression.expression.Expr.__contains__	(		self,
			expr
	)

__deepcopy__()

def miasm.expression.expression.Expr.__deepcopy__	(		self,
			_
	)

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__div__()

def miasm.expression.expression.Expr.__div__	(		self,
			other
	)

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__eq__()

def miasm.expression.expression.Expr.__eq__	(		self,
			other
	)

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__floordiv__()

def miasm.expression.expression.Expr.__floordiv__	(		self,
			other
	)

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__getitem__()

def miasm.expression.expression.Expr.__getitem__	(		self,
			i
	)

__hash__()

def miasm.expression.expression.Expr.__hash__

(

self

)

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__invert__()

def miasm.expression.expression.Expr.__invert__

(

self

)

__lshift__()

def miasm.expression.expression.Expr.__lshift__	(		self,
			other
	)

__lt__()

def miasm.expression.expression.Expr.__lt__	(		self,
			other
	)

__mod__()

def miasm.expression.expression.Expr.__mod__	(		self,
			other
	)

__mul__()

def miasm.expression.expression.Expr.__mul__	(		self,
			other
	)

__ne__()

def miasm.expression.expression.Expr.__ne__	(		self,
			other
	)

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__neg__()

def miasm.expression.expression.Expr.__neg__

(

self

)

__or__()

def miasm.expression.expression.Expr.__or__	(		self,
			other
	)

__pow__()

def miasm.expression.expression.Expr.__pow__	(		self,
			other
	)

__repr__()

def miasm.expression.expression.Expr.__repr__

(

self

)

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__rshift__()

def miasm.expression.expression.Expr.__rshift__	(		self,
			other
	)

__str__()

def miasm.expression.expression.Expr.__str__

(

self

)

Reimplemented in miasm.expression.expression.ExprCompose, miasm.expression.expression.ExprSlice, miasm.expression.expression.ExprOp, miasm.expression.expression.ExprMem, miasm.expression.expression.ExprCond, miasm.expression.expression.ExprAssign, miasm.expression.expression.ExprLoc, miasm.expression.expression.ExprId, and miasm.expression.expression.ExprInt.

__sub__()

def miasm.expression.expression.Expr.__sub__	(		self,
			other
	)

__xor__()

def miasm.expression.expression.Expr.__xor__	(		self,
			other
	)

canonize()

def miasm.expression.expression.Expr.canonize

(

self

)

copy()

def miasm.expression.expression.Expr.copy

(

self

)

Reimplemented in miasm.expression.expression.ExprCompose, miasm.expression.expression.ExprSlice, miasm.expression.expression.ExprOp, miasm.expression.expression.ExprMem, miasm.expression.expression.ExprCond, miasm.expression.expression.ExprAssign, miasm.expression.expression.ExprLoc, miasm.expression.expression.ExprId, and miasm.expression.expression.ExprInt.

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get_is_canon()

def miasm.expression.expression.Expr.get_is_canon

(

self

)

get_object()

def miasm.expression.expression.Expr.get_object (   expr_cls,   args  )

static

get_r()

def miasm.expression.expression.Expr.get_r	(		self,
			mem_read = False,
			cst_read = False
	)

get_size()

def miasm.expression.expression.Expr.get_size

(

self

)

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get_w()

def miasm.expression.expression.Expr.get_w	(		self,
			mem_read = False,
			cst_read = False
	)

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graph()

def miasm.expression.expression.Expr.graph

(

self

)

Return a DiGraph instance standing for Expr tree
Instance's display functions have been override for better visibility
Wrapper on graph_recursive

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graph_recursive()

def miasm.expression.expression.Expr.graph_recursive	(		self,
			graph
	)

Recursive method used by graph
@graph: miasm.core.graph.DiGraph instance
Update @graph instance to include sons
This is an Abstract method

Reimplemented in miasm.expression.expression.ExprCompose, miasm.expression.expression.ExprSlice, miasm.expression.expression.ExprOp, miasm.expression.expression.ExprMem, miasm.expression.expression.ExprCond, miasm.expression.expression.ExprAssign, miasm.expression.expression.ExprLoc, miasm.expression.expression.ExprId, and miasm.expression.expression.ExprInt.

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is_aff()

def miasm.expression.expression.Expr.is_aff

(

self

)

Reimplemented in miasm.expression.expression.ExprAssign.

is_assign()

def miasm.expression.expression.Expr.is_assign

(

self

)

Reimplemented in miasm.expression.expression.ExprAssign.

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is_compose()

def miasm.expression.expression.Expr.is_compose

(

self

)

Reimplemented in miasm.expression.expression.ExprCompose.

is_cond()

def miasm.expression.expression.Expr.is_cond

(

self

)

Reimplemented in miasm.expression.expression.ExprCond.

is_function_call()

def miasm.expression.expression.Expr.is_function_call

(

self

)

Returns true if the considered Expr is a function call

Reimplemented in miasm.expression.expression.ExprOp.

is_id()

def miasm.expression.expression.Expr.is_id	(		self,
			name = None
	)

Reimplemented in miasm.expression.expression.ExprId.

is_int()

def miasm.expression.expression.Expr.is_int	(		self,
			value = None
	)

Reimplemented in miasm.expression.expression.ExprInt.

is_loc()

def miasm.expression.expression.Expr.is_loc	(		self,
			label = None
	)

Reimplemented in miasm.expression.expression.ExprLoc.

is_mem()

def miasm.expression.expression.Expr.is_mem

(

self

)

Reimplemented in miasm.expression.expression.ExprMem.

is_mem_segm()

def miasm.expression.expression.Expr.is_mem_segm

(

self

)

Returns True if is ExprMem and ptr is_op_segm

Reimplemented in miasm.expression.expression.ExprMem.

is_op()

def miasm.expression.expression.Expr.is_op	(		self,
			op = None
	)

Reimplemented in miasm.expression.expression.ExprOp.

is_op_segm()

def miasm.expression.expression.Expr.is_op_segm

(

self

)

Returns True if is ExprOp and op == 'segm'

Reimplemented in miasm.expression.expression.ExprOp.

is_slice()

def miasm.expression.expression.Expr.is_slice	(		self,
			start = None,
			stop = None
	)

Reimplemented in miasm.expression.expression.ExprSlice.

msb()

def miasm.expression.expression.Expr.msb

(

self

)

replace_expr()

def miasm.expression.expression.Expr.replace_expr	(		self,
			dct
	)

Find and replace sub expression using dct
@dct: dictionary associating replaced Expr to its new Expr value

set_is_canon()

def miasm.expression.expression.Expr.set_is_canon	(		self,
			value
	)

set_mask()

def miasm.expression.expression.Expr.set_mask	(		self,
			value
	)

set_size()

def miasm.expression.expression.Expr.set_size	(		self,
			_
	)

signExtend()

def miasm.expression.expression.Expr.signExtend	(		self,
			size
	)

Sign extend to size
@size: int

visit()

def miasm.expression.expression.Expr.visit	(		self,
			callback
	)

Apply callback to all sub expression of @self
This function keeps a cache to avoid rerunning @callback on common sub
expressions.

@callback: fn(Expr) -> Expr

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zeroExtend()

def miasm.expression.expression.Expr.zeroExtend	(		self,
			size
	)

Zero extend to size
@size: int

Member Data Documentation

args2expr

dictionary miasm.expression.expression.Expr.args2expr = {}

static

canon_exprs

miasm.expression.expression.Expr.canon_exprs = set()

static

use_singleton

bool miasm.expression.expression.Expr.use_singleton = True

static

Property Documentation

is_canon

miasm.expression.expression.Expr.is_canon = property(get_is_canon, set_is_canon)

static

mask

miasm.expression.expression.Expr.mask = property(lambda self: ExprInt(-1, self.size))

static

size

miasm.expression.expression.Expr.size = property(lambda self: self._size)

static

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The documentation for this class was generated from the following file:

• /home/serpilliere/projet/test_doc_miasm/miasm/miasm/expression/expression.py