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* NEWS: Mention pointer to member improvements.

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* Makefile.in (gnu-v3-abi.o): Delete special rule.
	(eval.o, gnu-v3-abi.o, ia64-tdep.o): Update.
	* ada-valprint.c (ada_print_scalar): Update for new type codes.
	* c-typeprint.c (c_print_type): Update for new type codes.
	(c_type_print_varspec_prefix, c_type_print_varspec_suffix)
	(c_type_print_base): Likewise.
	(c_type_print_args): Rewrite.
	* c-valprint.c (c_val_print): Update for new type codes.  Remove
	support for references to members.  Treat methods like functions.
	* cp-abi.c (cplus_print_method_ptr, cplus_method_ptr_size)
	(cplus_make_method_ptr, cplus_method_ptr_to_value): New.
	* cp-abi.h (cplus_print_method_ptr, cplus_method_ptr_size)
	(cplus_make_method_ptr, cplus_method_ptr_to_value): New prototypes.
	(struct cp_abi_ops): Add corresponding members.
	* cp-valprint.c (cp_print_class_method): Delete.
	(cp_find_class_member): New function.
	(cp_print_class_member): Use it.  Simplify support for bogus
	member pointers.
	* dwarf2read.c (quirk_gcc_member_function_pointer): Use
	lookup_methodptr_type.
	(read_tag_ptr_to_member_type): Likewise, and lookup_memberptr_type.
	* eval.c (evaluate_subexp_standard): Implement EVAL_SKIP for
	OP_SCOPE.  Update call to value_aggregate_elt.  Rewrite member
	pointer support.
	(evaluate_subexp_for_address): Handle OP_SCOPE explicitly.  Handle
	references returned by user defined operators.
	* f-typeprint.c (f_print_type, f_type_print_varspec_prefix)
	(f_type_print_varspec_suffix): Remove support for member pointers.
	* gdbtypes.c (lookup_memberptr_type): Renamed from lookup_member_type
	and adjusted.
	(smash_to_memberptr_type): Likewise, from smash_to_member_type.
	(lookup_methodptr_type): New.
	(rank_one_type): Adjust for TYPE_CODE_MEMBERPTR.
	(recursive_dump_type): Update for new types.
	* gdbtypes.h (enum type_code): Replace TYPE_CODE_MEMBER with
	TYPE_CODE_MEMBERPTR and TYPE_CODE_METHODPTR.
	(lookup_memberptr_type, lookup_methodptr_type)
	(smash_to_memberptr_type): New prototypes.
	(smash_to_method_type): Formatting fix.
	(lookup_member_type, smash_to_member_type): Delete prototypes.
	* gnu-v3-abi.c (gnuv3_get_vtable, gnuv3_get_virtual_fn): New.
	Do not rely on debug information for the vptr or the method's
	enclosing type.  Handle function descriptors for IA64.
	(gnuv3_virtual_fn_field): Rewrite using the new functions.
	(gnuv3_find_method_in, gnuv3_print_method_ptr)
	(gnuv3_method_ptr_size, gnuv3_make_method_ptr)
	(gnuv3_method_ptr_to_value): New.
	(init_gnuv3_ops): Set new members of gnu_v3_abi_ops.
	* hpread.c (hpread_type_lookup): Update for new types.
	* infcall.c (value_arg_coerce): Likewise.
	* m2-typeprint.c (m2_print_type): Remove explicit support
	for member pointers.
	* m2-valprint.c (m2_val_print): Likewise.
	* p-typeprint.c (pascal_type_print_varspec_prefix)
	(pascal_type_print_varspec_suffix, pascal_type_print_base): Likewise.
	* p-valprint.c (pascal_val_print): Likewise.
	(pascal_object_print_class_method, pascal_object_print_class_member):
	Delete.
	* p-lang.h (pascal_object_print_class_method)
	(pascal_object_print_class_member): Delete prototypes.
	* stabsread.c (read_type): Update for new types.
	* typeprint.c (print_type_scalar): Likewise.
	* valops.c (value_struct_elt_for_reference, value_namespace_elt)
	(value_maybe_namespace_elt, value_aggregate_elt): Add want_address
	argument.  Construct a pointer to member if the address of a
	function or data member is requested.
	(value_cast_pointers): Don't modify the input value.
	(value_cast): Adjust pointer to member handling for new types.
	Allow null pointer to member constants.  Don't modify the input
	value.
	(value_ind): Remove pointer to member check.  Handle function
	descriptors for function pointers.
	(value_struct_elt, value_find_oload_method_list, check_field):
	Remove pointer to member checks.
	* value.c (unpack_long): Allow pointers to data members.
	(value_from_longest): Allow member pointers.
	* value.h (value_aggregate_elt): Add want_address.
	* varobj.c (c_variable_editable): Remove check for members.
	* gdbarch.sh: Add vtable_function_descriptors and vbit_in_delta.
	* ia64-tdep.c (ia64_convert_from_func_ptr_addr): Handle descriptors
	in virtual tables.
	(ia64_gdbarch_init): Call set_gdbarch_vtable_function_descriptors.
	* c-lang.h (cp_print_class_method): Delete prototype.
	* arm-tdep.c (arm_gdbarch_init): Call set_gdbarch_vbit_in_delta.
	* mips-tdep.c (mips_gdbarch_init): Likewise.
	* gdbarch.c, gdbarch.h: Regenerated.

	* gdb.cp/classes.exp (test_pointers_to_class_members): Update expected
	output.  Test the types of members and member pointers.
	* gdb.cp/inherit.exp (test_print_mi_member_types): Remove KFAILs for
	gdb/2092.
	* gdb.cp/member-ptr.exp: Search for a comment instead of a
	statement.  Enable for GCC.  Update expected output for some tests
	and add new tests.  Remove obsolete GCC KFAILs.  Allow GCC's class
	layout.
	* gdb.cp/member-ptr.cc (Padding, Padding::vspacer, Base, Base::get_x)
	(Base::vget_base, Left, Left::vget, Right, Right::vget, Diamond)
	(Diamond::vget_base): New.
	(main): Add new tests.
	* gdb.cp/printmethod.exp: Update expected output for member functions.
	* gdb.cp/virtfunc.exp (test_virtual_calls): Add a KFAIL for
	print pEe->D::vg().
This commit is contained in:
Daniel Jacobowitz
2007-01-03 18:05:45 +00:00
parent 9d6063994f
commit 0d5de0100f
42 changed files with 1192 additions and 810 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
gdb/gdbtypes.c
View File

@ -621,15 +621,30 @@ replace_type (struct type *ntype, struct type *type)
of the aggregate that the member belongs to. */
struct type *
lookup_member_type (struct type *type, struct type *domain)
lookup_memberptr_type (struct type *type, struct type *domain)
{
struct type *mtype;
mtype = alloc_type (TYPE_OBJFILE (type));
smash_to_member_type (mtype, domain, type);
smash_to_memberptr_type (mtype, domain, type);
return (mtype);
}
/* Return a pointer-to-method type, for a method of type TO_TYPE. */
struct type *
lookup_methodptr_type (struct type *to_type)
{
struct type *mtype;
mtype = alloc_type (TYPE_OBJFILE (to_type));
TYPE_TARGET_TYPE (mtype) = to_type;
TYPE_DOMAIN_TYPE (mtype) = TYPE_DOMAIN_TYPE (to_type);
TYPE_LENGTH (mtype) = cplus_method_ptr_size ();
TYPE_CODE (mtype) = TYPE_CODE_METHODPTR;
return mtype;
}
/* Allocate a stub method whose return type is TYPE.
This apparently happens for speed of symbol reading, since parsing
out the arguments to the method is cpu-intensive, the way we are doing
@ -981,19 +996,20 @@ build_builtin_type_vec128 (void)
return t;
}
/* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE.
A MEMBER is a wierd thing -- it amounts to a typed offset into
a struct, e.g. "an int at offset 8". A MEMBER TYPE doesn't
include the offset (that's the value of the MEMBER itself), but does
include the structure type into which it points (for some reason).
/* Smash TYPE to be a type of pointers to members of DOMAIN with type
TO_TYPE. A member pointer is a wierd thing -- it amounts to a
typed offset into a struct, e.g. "an int at offset 8". A MEMBER
TYPE doesn't include the offset (that's the value of the MEMBER
itself), but does include the structure type into which it points
(for some reason).
When "smashing" the type, we preserve the objfile that the
old type pointed to, since we aren't changing where the type is actually
allocated. */
void
smash_to_member_type (struct type *type, struct type *domain,
struct type *to_type)
smash_to_memberptr_type (struct type *type, struct type *domain,
struct type *to_type)
{
struct objfile *objfile;
@ -1003,8 +1019,10 @@ smash_to_member_type (struct type *type, struct type *domain,
TYPE_OBJFILE (type) = objfile;
TYPE_TARGET_TYPE (type) = to_type;
TYPE_DOMAIN_TYPE (type) = domain;
TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */
TYPE_CODE (type) = TYPE_CODE_MEMBER;
/* Assume that a data member pointer is the same size as a normal
pointer. */
TYPE_LENGTH (type) = TARGET_PTR_BIT / TARGET_CHAR_BIT;
TYPE_CODE (type) = TYPE_CODE_MEMBERPTR;
}
/* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE.
@ -2643,7 +2661,7 @@ rank_one_type (struct type *parm, struct type *arg)
return INCOMPATIBLE_TYPE_BADNESS;
}
break;
case TYPE_CODE_MEMBER:
case TYPE_CODE_MEMBERPTR:
switch (TYPE_CODE (arg))
{
default:
@ -2957,8 +2975,11 @@ recursive_dump_type (struct type *type, int spaces)
case TYPE_CODE_ERROR:
printf_filtered ("(TYPE_CODE_ERROR)");
break;
case TYPE_CODE_MEMBER:
printf_filtered ("(TYPE_CODE_MEMBER)");
case TYPE_CODE_MEMBERPTR:
printf_filtered ("(TYPE_CODE_MEMBERPTR)");
break;
case TYPE_CODE_METHODPTR:
printf_filtered ("(TYPE_CODE_METHODPTR)");
break;
case TYPE_CODE_METHOD:
printf_filtered ("(TYPE_CODE_METHOD)");