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from dataclasses import dataclass
def btoi(b, signed=False):
return int.from_bytes(b, arch.endianness, signed=signed)
def itob(i, signed=False):
return i.to_bytes(arch.wordsize, arch.endianness, signed=signed)
@dataclass(frozen=True)
class Arch:
wordsize: int
endianness: str
alignment: int
nopcode: bytes
def set(self,k):
self.__dict__.update(k.__dict__)
x86 = Arch( 4, 'little', 16, b'\x90')
x86_64 = Arch( 8, 'little', 16, b'\x90')
ARM = Arch( 4, 'little', 8, b'\xe1\xa0\x00\x00')
THUMB = Arch( 4, 'little', 8, b'\x46\xc0')
arch = Arch(**x86_64.__dict__)
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