Change gdb.Value.address from a method to an attribute.
* python/python-value.c (value_object): Add `address' element.
(valpy_dealloc): Decrement reference to self->address if set.
(valpy_new): Initialize val_obj->address.
(valpy_address): Rename to ...
(valpy_get_address): ... this. Change signature from method to
attribute. Update self->address if not set.
(value_to_value_object): Initialize val_obj->address.
(value_object_getset): Add `address' element.
(value_object_methods): Remove `address' element.
gdb/testsuite/
* gdb.python/python-value.exp: Add tests for the address
attribute.
gdb/doc/
* gdb.texinfo (Values From Inferior): Change gdb.Value.address
from a method to an attribute.