def dw_op_gnu(obj, enc, data):
sz = env.op_ptr.size
if data.size < sz: raise InstructionError(obj)
result = XXX
obj.operands = [env.cst(XXX.int(), sz)]
obj.bytes += pack(result)
obj.type = type_data_processing
def dw_op_const(obj, data):
sz = 8 * obj.sz
if data.size < sz: raise InstructionError(obj)
result = data[0:sz]
obj.operands = [env.cst(result.int(obj.sign), WORD)]
obj.bytes += pack(result)
obj.type = type_data_processing
def dw_op_addr(obj, data):
sz = env.op_ptr.size
if data.size < sz:
raise InstructionError(obj)
result = data[0:sz]
obj.operands = [env.cst(result.int(), sz)]
obj.bytes += pack(result)
obj.type = type_data_processing
def dw_op_breg(obj, data, _num):
data = pack(data)
result, blen = read_sleb128(data)
sz = env.op_ptr.size
offset = env.cst(result, blen * 8).signextend(sz)
obj.operands = [env.reg("reg%d" % _num, sz) + offset]
obj.bytes += data[:blen]
obj.type = type_data_processing
def dw_op_const(obj, data):
sz = env.op_ptr.size
if data.size < sz: raise InstructionError(obj)
data = pack(data)
result, blen = read_leb128(data, obj.sign)
obj.operands = [env.cst(result, WORD)]
obj.bytes += data[:blen]
obj.type = type_data_processing
def dw_op_bregx(obj, data):
data = pack(data)
indx, blen = read_leb128(data)
sz = env.op_ptr.size
r = env.reg("reg%d" % indx, sz)
obj.bytes += data[:blen]
data = data[blen:]
result, blen = read_sleb128(data)
offset = env.cst(result, blen * 8).signextend(sz)
obj.operands = [r + offset]
obj.bytes += data[:blen]
obj.type = type_data_processing
def dw_op_lit(obj, _num):
obj.operands = [env.cst(_num, WORD)]
obj.type = type_data_processing
def dw_op_leb128(obj, data):
data = pack(data)
result, blen = read_leb128(data)
obj.operands = [env.cst(result, WORD)]
obj.bytes += data[:blen]
obj.type = type_data_processing
def dw_op_jmp(obj, offset):
obj.operands = [env.cst(offset.int(-1), WORD)]
obj.type = type_control_flow
