Miasm2: miasm2.arch.arm.arch.arm_offspc Class Reference

Inheritance diagram for miasm2.arch.arm.arch.arm_offspc:

Collaboration diagram for miasm2.arch.arm.arch.arm_offspc:

Public Member Functions
def	decodeval

def	encodeval

def	int2expr

def	decode

def	encode

def	expr2int

def	fromstring

def	fromstring

Public Attributes
	expr

	value

Static Public Attributes
	parser = base_expr

int	intsize = 32

tuple	intmask = (1 << intsize)

Detailed Description

Definition at line 1643 of file arch.py.

Member Function Documentation

def miasm2.arch.arm.arch.arm_offs.decode	(	self,
		v
	)

inherited

Definition at line 801 of file arch.py.

 
     def decode(self, v):
         v = v & self.lmask
         if (1 << (self.l - 1)) & v:
             v |= ~0 ^ self.lmask
         v = self.decodeval(v)
         self.expr = ExprInt32(v)
         return True

miasm2.arch.arm.arch.arm_offs.decode

def decode

Definition: arch.py:801

miasm2.arch.arm.arch.arm_offs.decodeval

def decodeval

Definition: arch.py:788

miasm2.expression.expression.ExprInt32

def ExprInt32

Definition: expression.py:1157

miasm2.arch.arm.arch.arm_offs.expr

expr

Definition: arch.py:806

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def miasm2.arch.arm.arch.arm_offspc.decodeval	(	self,
		v
	)

Definition at line 1645 of file arch.py.

 
     def decodeval(self, v):
         v = v << 1
         # Add pipeline offset
         v += 2 + 2
         return v

miasm2.arch.arm.arch.arm_offspc.decodeval

def decodeval

Definition: arch.py:1645

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def miasm2.arch.arm.arch.arm_offs.encode ( self )

inherited

Definition at line 809 of file arch.py.

 
     def encode(self):
         if not isinstance(self.expr, ExprInt):
             return False
         v = int(self.expr.arg)
         if (1 << (self.l - 1)) & v:
             v = -((0xffffffff ^ v) + 1)
         v = self.encodeval(v)
         self.value = (v & 0xffffffff) & self.lmask
         return True
 

miasm2.arch.arm.arch.arm_offs.encodeval

def encodeval

Definition: arch.py:794

miasm2.arch.arm.arch.arm_offs.encode

def encode

Definition: arch.py:809

miasm2.arch.arm.arch.arm_offs.value

value

Definition: arch.py:816

miasm2.arch.arm.arch.arm_offs.expr

expr

Definition: arch.py:806

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def miasm2.arch.arm.arch.arm_offspc.encodeval	(	self,
		v
	)

Definition at line 1651 of file arch.py.

 
     def encodeval(self, v):
         # Remove pipeline offset
         v -= 2 + 2
         if v % 2 == 0:
             return v >> 1
         return False
 

miasm2.arch.arm.arch.arm_offspc.encodeval

def encodeval

Definition: arch.py:1651

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def miasm2.core.cpu.imm_noarg.expr2int	(	self,
		e
	)

inherited

Definition at line 1473 of file cpu.py.

 
     def expr2int(self, e):
         if not isinstance(e, m2_expr.ExprInt):
             return None
         v = int(e.arg)
         if v & ~self.intmask != 0:
             return None
         return v

miasm2.core.cpu.imm_noarg.intmask

tuple intmask

Definition: cpu.py:1466

miasm2.core.cpu.imm_noarg.expr2int

def expr2int

Definition: cpu.py:1473

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def miasm2.core.cpu.m_arg.fromstring	(	self,
		s,
		parser_result = `None`
	)

inherited

Definition at line 604 of file cpu.py.

 
     def fromstring(self, s, parser_result=None):
         if parser_result:
             e, start, stop = parser_result[self.parser]
             self.expr = e
             return start, stop
         try:
             v, start, stop = self.parser.scanString(s).next()
         except StopIteration:
             return None, None
         self.expr = v[0]
         return start, stop
 

miasm2.core.cpu.m_arg.expr

expr

Definition: cpu.py:607

miasm2.core.cpu.m_arg.fromstring

def fromstring

Definition: cpu.py:604

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def miasm2.core.cpu.imm_noarg.fromstring	(	self,
		s,
		parser_result = `None`
	)

inherited

Definition at line 1481 of file cpu.py.

 
     def fromstring(self, s, parser_result=None):
         if parser_result:
             e, start, stop = parser_result[self.parser]
         else:
             try:
                 e, start, stop = self.parser.scanString(s).next()
             except StopIteration:
                 return None, None
         if e is None:
             return None, None
 
         assert(isinstance(e, m2_expr.Expr))
         if isinstance(e, tuple):
             self.expr = self.int2expr(e[1])
         elif isinstance(e, m2_expr.Expr):
             self.expr = e
         else:
             raise TypeError('zarb expr')
         if self.expr is None:
             log.debug('cannot fromstring int %r', s)
             return None, None
         return start, stop

miasm2.core.cpu.imm_noarg.fromstring

def fromstring

Definition: cpu.py:1481

miasm2.core.cpu.imm_noarg.int2expr

def int2expr

Definition: cpu.py:1468

miasm2.core.cpu.imm_noarg.expr

expr

Definition: cpu.py:1494

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def miasm2.arch.arm.arch.arm_offs.int2expr	(	self,
		v
	)

inherited

Definition at line 783 of file arch.py.

 
     def int2expr(self, v):
         if v & ~self.intmask != 0:
             return None
         return ExprInt(v, self.intsize)

miasm2.core.cpu.imm_noarg.intsize

int intsize

Definition: cpu.py:1465

miasm2.arch.arm.arch.arm_offs.int2expr

def int2expr

Definition: arch.py:783

miasm2.core.cpu.imm_noarg.intmask

tuple intmask

Definition: cpu.py:1466

miasm2.expression.expression.ExprInt

Definition: expression.py:336

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Public Member Functions

Public Attributes

Static Public Attributes

Detailed Description

Member Function Documentation

Member Data Documentation