def pass2(self):
accumulator = {}
for addr in sorted(self.data):
instruction = self.data[addr]
op, args = instruction[0], instruction[1:]
# Adjust addresses for relative ops.
if op in ('rcall', 'rjmp', 'brne', 'breq'):
args = self._adjust(op, args, ibv(int(addr, 16)))
opf = ops.get(op, lambda *args: args)
n, data = opf(*args)
if n == -1:
bindata = data
elif n == 16:
bindata = pack('H', data)
else:
bindata = pack('2H', data[32:16], data[16:])
## if op in ('db', 'dw'):
## print addr, 10 * ' ', op, len(data), 'bytes:', repr(data)
## else:
## try:
## fdata = '%-10x' % (data,)
## except TypeError:
## print addr, 10 * '.', instruction, repr(data)
## else:
## print addr, fdata, instruction, repr(bindata)
accumulator[addr] = bindata
return accumulator
def define(self, **defs):
for k, v in defs.iteritems():
if isinstance(v, int):
defs[k] = v = ibv(v)
print 'defining %s = %#x' % (k, v)
self.context.update(defs)
def org(self, address): address = ibv(address) print 'setting org to %#06x' % (address,) update(self.here, address)
def _adjust(self, op, args, addr): return (ibv(args[0] - addr - 1),)
