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#-*- coding:utf-8 -*-
from miasm.expression.expression import ExprAssign, ExprOp
from miasm.ir.ir import AssignBlock
from miasm.ir.analysis import LifterModelCall
from miasm.arch.x86.sem import Lifter_X86_16, Lifter_X86_32, Lifter_X86_64
class LifterModelCall_x86_16(Lifter_X86_16, LifterModelCall):
def __init__(self, loc_db):
Lifter_X86_16.__init__(self, loc_db)
self.ret_reg = self.arch.regs.AX
def get_out_regs(self, _):
return set([self.ret_reg, self.sp])
class LifterModelCall_x86_32(Lifter_X86_32, LifterModelCall_x86_16):
def __init__(self, loc_db):
Lifter_X86_32.__init__(self, loc_db)
self.ret_reg = self.arch.regs.EAX
def sizeof_char(self):
return 8
def sizeof_short(self):
return 16
def sizeof_int(self):
return 32
def sizeof_long(self):
return 32
def sizeof_pointer(self):
return 32
class LifterModelCall_x86_64(Lifter_X86_64, LifterModelCall_x86_16):
def __init__(self, loc_db):
Lifter_X86_64.__init__(self, loc_db)
self.ret_reg = self.arch.regs.RAX
def call_effects(self, ad, instr):
call_assignblk = AssignBlock(
[
ExprAssign(
self.ret_reg,
ExprOp(
'call_func_ret',
ad,
self.sp,
self.arch.regs.RCX,
self.arch.regs.RDX,
self.arch.regs.R8,
self.arch.regs.R9,
)
),
ExprAssign(self.sp, ExprOp('call_func_stack', ad, self.sp)),
],
instr
)
return [call_assignblk], []
def sizeof_char(self):
return 8
def sizeof_short(self):
return 16
def sizeof_int(self):
return 32
def sizeof_long(self):
return 64
def sizeof_pointer(self):
return 64
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