def operate_SDIV(self, *values):
s0, s1 = values[0], values[1]
sign = -1 if (s0 / s1) < 0 else 1
computed = sign * (abs(s0) / abs(s1))
return hlp.get_concrete_int(computed)
def operate_DIV(self, *values):
if values[1] == 0:
return 0
else:
return hlp.get_concrete_int(UDiv(values[0] / values[1]))
def operate_MOD(self, *values):
return hlp.get_concrete_int(0 if values[1] == 0 else values[0] %
values[1])
def symbolic_add(self, *values):
s0 = hlp.convert_to_bitvec(values[0])
s1 = hlp.convert_to_bitvec(values[1])
return hlp.get_concrete_int(s0 + s1)
def operate_MUL(self, *values):
s0 = hlp.convert_to_bitvec(values[0])
s1 = hlp.convert_to_bitvec(values[1])
return hlp.get_concrete_int(s0 * s1)
def operate_ISZERO(self, *values):
return hlp.get_concrete_int(values[0] == 0)
def operate_EQ(self, *values):
return hlp.get_concrete_int(values[0] == values[1])
def operate_EXP(self, *values):
base, exponent = values[0], values[1]
return hlp.get_concrete_int(pow(base, exponent))
def operate_MULMOD(self, *values):
s0, s1, s2 = values[0], values[1], values[2]
return hlp.get_concrete_int((s0 * s1) % s2 if s2 else 0)
def operate_SMOD(self, *values):
sign = -1 if values[0] < 0 else 1
computed = sign * (abs(values[0]) % abs(values[1]))
return hlp.get_concrete_int(computed)