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#-*- coding:utf-8 -*-
from miasm2.expression.expression import *
from miasm2.ir.ir import ir, irbloc, AssignBlock
from miasm2.ir.analysis import ira
from miasm2.arch.arm.sem import ir_arml, ir_armtl, ir_armb, ir_armtb
from miasm2.arch.arm.regs import *
# from miasm2.core.graph import DiGraph
class ir_a_arml_base(ir_arml, ira):
def __init__(self, symbol_pool=None):
ir_arml.__init__(self, symbol_pool)
self.ret_reg = self.arch.regs.R0
class ir_a_armb_base(ir_armb, ira):
def __init__(self, symbol_pool=None):
ir_armb.__init__(self, symbol_pool)
self.ret_reg = self.arch.regs.R0
class ir_a_arml(ir_a_arml_base):
def __init__(self, symbol_pool=None):
ir_a_arml_base.__init__(self, symbol_pool)
self.ret_reg = self.arch.regs.R0
# for test XXX TODO
def set_dead_regs(self, b):
b.rw[-1][1].add(self.arch.regs.zf)
b.rw[-1][1].add(self.arch.regs.nf)
b.rw[-1][1].add(self.arch.regs.of)
b.rw[-1][1].add(self.arch.regs.cf)
def post_add_bloc(self, bloc, ir_blocs):
ir.post_add_bloc(self, bloc, ir_blocs)
for irb in ir_blocs:
pc_val = None
lr_val = None
for assignblk in irb.irs:
pc_val = assignblk.get(PC, pc_val)
lr_val = assignblk.get(LR, lr_val)
if pc_val is None or lr_val is None:
continue
if not isinstance(lr_val, ExprInt):
continue
l = bloc.lines[-1]
if lr_val.arg != l.offset + l.l:
continue
# CALL
lbl = bloc.get_next()
new_lbl = self.gen_label()
irs = self.call_effects(pc_val)
irs.append(AssignBlock([ExprAff(self.IRDst,
ExprId(lbl, size=self.pc.size))]))
nbloc = irbloc(new_lbl, irs)
nbloc.lines = [l] * len(irs)
self.blocs[new_lbl] = nbloc
irb.dst = ExprId(new_lbl, size=self.pc.size)
def get_out_regs(self, b):
return set([self.ret_reg, self.sp])
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 ir_a_armb(ir_a_armb_base, ir_a_arml):
def __init__(self, symbol_pool=None):
ir_a_armb_base.__init__(self, symbol_pool)
self.ret_reg = self.arch.regs.R0
class ir_a_armtl(ir_armtl, ir_a_arml):
def __init__(self, symbol_pool):
ir_armtl.__init__(self, symbol_pool)
self.ret_reg = self.arch.regs.R0
class ir_a_armtb(ir_a_armtl, ir_armtb, ir_a_armb):
def __init__(self, symbol_pool):
ir_armtb.__init__(self, symbol_pool)
self.ret_reg = self.arch.regs.R0
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