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stefandesouza
2023-12-03 17:22:11 +01:00
parent 62d575714a
commit 23d10d10cb
12 changed files with 130 additions and 94 deletions
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47
osaca/semantics/isa_semantics.py
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@@ -121,23 +121,27 @@ class ISASemantics(object):
for operand in [op for op in op_dict["source"] if isinstance(op, MemoryOperand)]:
post_indexed = operand.post_indexed
pre_indexed = operand.pre_indexed
if post_indexed or pre_indexed or (isinstance(post_indexed, dict) and "value" in post_indexed):
if (
post_indexed
or pre_indexed
or (isinstance(post_indexed, dict) and "value" in post_indexed)
):
new_op = operand.base
new_op.pre_indexed = pre_indexed
new_op.post_indexed = post_indexed
op_dict["src_dst"].append(
new_op
)
op_dict["src_dst"].append(new_op)
for operand in [op for op in op_dict["destination"] if isinstance(op, MemoryOperand)]:
post_indexed = operand.post_indexed
pre_indexed = operand.pre_indexed
if post_indexed or pre_indexed or (isinstance(post_indexed, dict) and "value" in post_indexed):
if (
post_indexed
or pre_indexed
or (isinstance(post_indexed, dict) and "value" in post_indexed)
):
new_op = operand.base
new_op.pre_indexed = pre_indexed
new_op.post_indexed = post_indexed
op_dict["src_dst"].append(
new_op
)
op_dict["src_dst"].append(new_op)
# store operand list in dict and reassign operand key/value pair
instruction_form.semantic_operands = op_dict
# assign LD/ST flags
@@ -188,7 +192,11 @@ class ISASemantics(object):
if only_postindexed:
for o in instruction_form.operands:
if isinstance(o, MemoryOperand) and o.base != None and isinstance(o.post_indexed, dict):
if (
isinstance(o, MemoryOperand)
and o.base != None
and isinstance(o.post_indexed, dict)
):
base_name = (o.base.prefix if o.base.prefix != None else "") + o.base.name
return {
base_name: {
@@ -217,7 +225,7 @@ class ISASemantics(object):
if isa_data is not None and isa_data.operation is not None:
for i, o in enumerate(instruction_form.operands):
operand_name = "op{}".format(i + 1)
if isinstance(o, RegisterOperand):
o_reg_name = (o.prefix if o.prefix != None else "") + o.name
reg_operand_names[o_reg_name] = operand_name
@@ -251,15 +259,12 @@ class ISASemantics(object):
op_dict["source"] = []
op_dict["destination"] = []
op_dict["src_dst"] = []
# handle dependency breaking instructions
if isa_data.breaks_dep and operands[1:] == operands[:-1]:
op_dict["destination"] += operands
if isa_data.hidden_operands!=[]:
op_dict["destination"] += [
hop
for hop in isa_data.hidden_operands
]
if isa_data.hidden_operands != []:
op_dict["destination"] += [hop for hop in isa_data.hidden_operands]
return op_dict
for i, op in enumerate(isa_data.operands):
@@ -272,9 +277,9 @@ class ISASemantics(object):
if op.destination:
op_dict["destination"].append(operands[i])
continue
# check for hidden operands like flags or registers
if isa_data.hidden_operands!=[]:
if isa_data.hidden_operands != []:
# add operand(s) to semantic_operands of instruction form
for op in isa_data.hidden_operands:
if isinstance(op, Operand):
@@ -286,15 +291,15 @@ class ISASemantics(object):
else "destination"
)
else:
dict_key = (
dict_key = (
"src_dst"
if op["source"] and op["destination"]
else "source"
if op["source"]
else "destination"
)
)
op_dict[dict_key].append(op)
return op_dict
def _has_load(self, instruction_form):