def resolve_args_with_symbols(self, symbols=None):
if symbols is None:
symbols = LocationDB()
args_out = []
for expr in self.args:
# try to resolve symbols using symbols (0 for default value)
loc_keys = m2_expr.get_expr_locs(expr)
fixed_expr = {}
for exprloc in loc_keys:
loc_key = exprloc.loc_key
names = symbols.get_location_names(loc_key)
# special symbols
if b'$' in names:
fixed_expr[exprloc] = self.get_asm_offset(exprloc)
continue
if b'_' in names:
fixed_expr[exprloc] = self.get_asm_next_offset(exprloc)
continue
arg_int = symbols.get_location_offset(loc_key)
if arg_int is not None:
fixed_expr[exprloc] = m2_expr.ExprInt(
arg_int, exprloc.size)
continue
if not names:
raise ValueError('Unresolved symbol: %r' % exprloc)
offset = symbols.get_location_offset(loc_key)
if offset is None:
raise ValueError(
'The offset of loc_key "%s" cannot be determined' %
names)
else:
# Fix symbol with its offset
size = exprloc.size
if size is None:
default_size = self.get_symbol_size(exprloc, symbols)
size = default_size
value = m2_expr.ExprInt(offset, size)
fixed_expr[exprloc] = value
expr = expr.replace_expr(fixed_expr)
expr = expr_simp(expr)
args_out.append(expr)
return args_out
def resolve_args_with_symbols(self, symbols=None):
if symbols is None:
symbols = LocationDB()
args_out = []
for expr in self.args:
# try to resolve symbols using symbols (0 for default value)
loc_keys = m2_expr.get_expr_locs(expr)
fixed_expr = {}
for exprloc in loc_keys:
loc_key = exprloc.loc_key
names = symbols.get_location_names(loc_key)
# special symbols
if b'$' in names:
fixed_expr[exprloc] = self.get_asm_offset(exprloc)
continue
if b'_' in names:
fixed_expr[exprloc] = self.get_asm_next_offset(exprloc)
continue
arg_int = symbols.get_location_offset(loc_key)
if arg_int is not None:
fixed_expr[exprloc] = m2_expr.ExprInt(arg_int, exprloc.size)
continue
if not names:
raise ValueError('Unresolved symbol: %r' % exprloc)
offset = symbols.get_location_offset(loc_key)
if offset is None:
raise ValueError(
'The offset of loc_key "%s" cannot be determined' % names
)
else:
# Fix symbol with its offset
size = exprloc.size
if size is None:
default_size = self.get_symbol_size(exprloc, symbols)
size = default_size
value = m2_expr.ExprInt(offset, size)
fixed_expr[exprloc] = value
expr = expr.replace_expr(fixed_expr)
expr = expr_simp(expr)
args_out.append(expr)
return args_out