def mips_op_hack(cmd, op):
'''insn_t -> int'''
# see note for get_operands
if cpu_ida.ida_current_cpu_name() == 'mips':
mnem = get_mnem(cmd.ea)
if (len(cpu_ida.ida_current_cpu().insns.insns[mnem].opfs) != len(ida_operands(cmd))):
if op > 0:
return op - 1
else:
return op
else:
return op
else:
return op
def op_ret_for_ti(ti, name, target, val):
'''tinfo_t -> str -> int -> int -> op_ret'''
if ti.is_array():
return op_ret(op_ty.array, name, target)
elif ti.is_ptr():
return op_ret(op_ty.ptr, name, target)
elif ti.is_func():
return op_ret(op_ty.func, name, target)
elif name != '': # XXX name types are a misfeature, see mips/gen.py
return op_ret(op_ty.name, name, target)
else:
if cpu_ida.ida_current_cpu_name() == 'mips':
return op_ret(op_ty.value, cpu_ida.ida_current_cpu().data.interpret_li_arg(val), 0)
else:
return op_ret(op_ty.value, val, 0)
def mips_op_hack(cmd, op):
'''insn_t -> int'''
# see note for get_operands
if cpu_ida.ida_current_cpu_name() == 'mips':
mnem = get_mnem(cmd.ea)
if (len(cpu_ida.ida_current_cpu().insns.insns[mnem].opfs) != len(
ida_operands(cmd))):
if op > 0:
return op - 1
else:
return op
else:
return op
else:
return op
def get_operands(cmd):
'''insn_t -> [op_t]'''
opnds = ida_operands(cmd)
if cpu_ida.ida_current_cpu_name() == 'mips':
# IDA returns "simplified" instructions with only two operands when the
# first and second operands are the same register, but this forces you
# to handle multiple formats for a single instruction, so here we
# transform them into their canonical form
mnem = get_mnem(cmd.ea)
if len(cpu_ida.ida_current_cpu().insns.insns[mnem].opfs) != len(opnds):
return [opnds[0], opnds[0], opnds[1]]
else:
return opnds
else:
return opnds
def op_ret_for_ti(ti, name, target, val):
'''tinfo_t -> str -> int -> int -> op_ret'''
if ti.is_array():
return op_ret(op_ty.array, name, target)
elif ti.is_ptr():
return op_ret(op_ty.ptr, name, target)
elif ti.is_func():
return op_ret(op_ty.func, name, target)
elif name != '': # XXX name types are a misfeature, see mips/gen.py
return op_ret(op_ty.name, name, target)
else:
if cpu_ida.ida_current_cpu_name() == 'mips':
return op_ret(op_ty.value,
cpu_ida.ida_current_cpu().data.interpret_li_arg(val),
0)
else:
return op_ret(op_ty.value, val, 0)
def get_operands(cmd):
'''insn_t -> [op_t]'''
opnds = ida_operands(cmd)
if cpu_ida.ida_current_cpu_name() == 'mips':
# IDA returns "simplified" instructions with only two operands when the
# first and second operands are the same register, but this forces you
# to handle multiple formats for a single instruction, so here we
# transform them into their canonical form
mnem = get_mnem(cmd.ea)
if len(cpu_ida.ida_current_cpu().insns.insns[mnem].opfs) != len(opnds):
return [opnds[0], opnds[0], opnds[1]]
else:
return opnds
else:
return opnds
