Specifically, the calling of inferiors methods is improved.
* value.h: New macros METHOD_PTR_IS_VIRTUAL,
METHOD_PTR_FROM_VOFFSET, METHOD_PTR_TO_VOFFSET to partially
hide the implementation details of pointer-to-method objects.
How to tell if the pointer points to a virtual method is
still very dependent on the particular compiler, but this
should make it easier to find the places to change.
* eval.c (evaluate_subexp [case OP_FUNCALL]), valprint.c
(val_print [case TYPE_CODE_PTR]): Use the new METHOD_PTR_*
macros, instead of a hard-wired-in code that incorrectly
assumed a no-longerused representation of pointer-to-method
values. And otherwise fix the relevant bit-rotted code.
* valprint.c (type_print_base [case TYPE_CODE_STRUCT]):
If there are both fields and methods, put a space between.
* stabsread.c (read_struct_type): Fix bug in handling of
GNU C++ anonymous type (indicated by CPLUS_MARKER followed
by '_'). (It used to prematurely exit the loop reading in
the fields, so it would think it should start reading
methods while still in the fields. This could crash gdb
given a gcc that can emit nested type information.)
* valops.c (search_struct_method): Pass 'this' value by
reference instead of by value. This provides a more
consistent interface through a recursive search where the
"bottom" functions may need to adjust offsets (due to multiple
inheritance).
* valops.c, value.h, values.c: Pass extra parameters to
value_fn_field and value_virtual_fn_field so we can
correctly adjust offset for multiple inheritance.
* eval.c (evaluate_subexp [case OP_FUNCALL]): Simplify
virtual function calls by using value_virtual_fn_field().
* values.c: New function baseclass_offset, derived from
baseclass_addr (which perhaps can be made obsolete?).
It returns an offset rather than an address. This is a
cleaner interface since it doesn't mess around allocating
new values.
* valops.c (search_struct_method): Use baseclass_offset
rather than baseclass_addr.
types.
* stabsread.c (read_array_type, read_range_type, define_symbol):
Call alloc_type to alloc new types.
* stabsread.c (define_symbol): Move dbl_valu symbol field data
from type_obstack to symbol_obstack.
* stabsread.c (define_symbol): Move typedef_sym from type_obstack
to symbol_obstack.
* gdbtypes.h (TYPE_ALLOC): New macro to allocate space for data
associated with a type, using the same mechanism as was used to
allocate space for the type structure itself.
* coffread.c (patch_type, coff_read_struct_type,
coff_read_enum_type): Use TYPE_ALLOC.
* dwarfread.c (struct_type): Use TYPE_ALLOC.
* gdbtypes.c (create_array_type, check_stub_method,
allocate_cplus_struct_type): Use TYPE_ALLOC.
* mipsread.c (parse_symbol, parse_type): Use TYPE_ALLOC.
* stabsread.c (read_struct_type, read_array_type, read_enum_type,
read_range_type): Use TYPE_ALLOC.
