TYPE_CODE_BOOL /* Builtin Modula-2 BOOLEAN */
};
+/* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
+ alias for TYPE_CODE_STRUCT. Eventually these should probably be
+ officially distinct types within gdb. */
+
+#define TYPE_CODE_CLASS TYPE_CODE_STRUCT
+
/* Some bits for the type's flags word. */
/* Explicitly unsigned integer type */
#define TYPE_FLAG_STUB (1 << 2)
-/* This type is a fundamental type in the current source language. */
-#define TYPE_FLAG_FUND_TYPE (1 << 3)
-
-
struct type
{
For range types, there are two "fields",
the minimum and maximum values (both inclusive).
For enum types, each possible value is described by one "field".
+ For C++ classes, there is one field for each base class (if it is
+ a derived class) plus one field for each class data member. Member
+ functions are recorded elsewhere.
Using a pointer to a separate array of fields
allows all types to have the same size, which is useful
/* Position of this field, counting in bits from start of
containing structure. For a function type, this is the
position in the argument list of this argument.
- For a range bound or enum value, this is the value itself. */
+ For a range bound or enum value, this is the value itself.
+ For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
+ For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. */
int bitpos;
struct type **arg_types;
- /* CPLUS_STUFF is for TYPE_CODE_STRUCT. */
+ /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
+ cplus_struct_default, a default static instance of a struct
+ cplus_struct_type. */
struct cplus_struct_type *cplus_stuff;
struct cplus_struct_type
{
+ /* Number of base classes this type derives from. */
- B_TYPE *virtual_field_bits; /* if base class is virtual */
-
- B_TYPE *private_field_bits;
-
- B_TYPE *protected_field_bits;
+ short n_baseclasses;
- /* Number of methods described for this type */
+ /* Number of methods with unique names. All overloaded methods with
+ the same name count only once. */
short nfn_fields;
- /* Number of base classes this type derives from. */
-
- short n_baseclasses;
-
/* Number of methods described for this type plus all the
methods that it derives from. */
int nfn_fields_total;
+ /* For derived classes, the number of base classes is given by n_baseclasses
+ and virtual_field_bits is a bit vector containing one bit per base class.
+ If the base class is virtual, the corresponding bit will be set.
+ I.E, given:
+
+ class A{};
+ class B{};
+ class C : public B, public virtual A {};
+
+ B is a baseclass of C; A is a virtual baseclass for C.
+ This is a C++ 2.0 language feature. */
+
+ B_TYPE *virtual_field_bits;
+
+ /* For classes with private fields, the number of fields is given by
+ nfields and private_field_bits is a bit vector containing one bit
+ per field.
+ If the field is private, the corresponding bit will be set. */
+
+ B_TYPE *private_field_bits;
+
+ /* For classes with protected fields, the number of fields is given by
+ nfields and protected_field_bits is a bit vector containing one bit
+ per field.
+ If the field is private, the corresponding bit will be set. */
+
+ B_TYPE *protected_field_bits;
+
/* For classes, structures, and unions, a description of each field,
which consists of an overloaded name, followed by the types of
arguments that the method expects, and then the name after it
- has been renamed to make it distinct. */
+ has been renamed to make it distinct.
+
+ fn_fieldlists points to an array of nfn_fields of these. */
struct fn_fieldlist
{
struct fn_field
{
+ /* The name after it has been processed */
+
+ char *physname;
+
/* The return value of the method */
struct type *type;
struct type **args;
- /* The name after it has been processed */
-
- char *physname;
-
- /* For virtual functions. */
- /* First baseclass that defines this virtual function. */
+ /* For virtual functions.
+ First baseclass that defines this virtual function. */
struct type *fcontext;
+ /* Attributes. */
+
unsigned int is_const : 1;
unsigned int is_volatile : 1;
unsigned int is_private : 1;
/* Index into that baseclass's virtual function table,
minus 2; else if static: VOFFSET_STATIC; else: 0. */
- unsigned voffset : 24;
+ unsigned int voffset : 24;
# define VOFFSET_STATIC 1
} *fn_fieldlists;
- unsigned char via_protected;
-
- unsigned char via_public;
};
/* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
#define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
#define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
-#define TYPE_FN_FIELD_NAME(thisfn, n) (thisfn)[n].name
+#define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
#define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
#define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
-#define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
-#define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
-#define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
-#define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
-#define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
-#define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
+#define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
+#define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
#define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
#define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
+#define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
+#define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
+#define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
+#define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
+#define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
extern struct type *builtin_type_void;
extern struct type *builtin_type_char;
TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
: MIN_OF_SIZE(TYPE_LENGTH(t))
+/* Allocate space for storing data associated with a particular type.
+ We ensure that the space is allocated using the same mechanism that
+ was used to allocate the space for the type structure itself. I.E.
+ if the type is on an objfile's type_obstack, then the space for data
+ associated with that type will also be allocated on the type_obstack.
+ If the type is not associated with any particular objfile (such as
+ builtin types), then the data space will be allocated with xmalloc,
+ the same as for the type structure. */
+
+#define TYPE_ALLOC(t,size) \
+ (TYPE_OBJFILE (t) != NULL \
+ ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
+ : xmalloc (size))
+
extern struct type *
alloc_type PARAMS ((struct objfile *));
extern struct type *
lookup_reference_type PARAMS ((struct type *));
+extern struct type *
+make_reference_type PARAMS ((struct type *, struct type **));
+
extern struct type *
lookup_member_type PARAMS ((struct type *, struct type *));
extern struct type *
lookup_struct_elt_type PARAMS ((struct type *, char *, int));
+extern struct type *
+make_pointer_type PARAMS ((struct type *, struct type **));
+
extern struct type *
lookup_pointer_type PARAMS ((struct type *));
+extern struct type *
+make_function_type PARAMS ((struct type *, struct type **));
+
extern struct type *
lookup_function_type PARAMS ((struct type *));
extern struct type *
lookup_unsigned_typename PARAMS ((char *));
+extern struct type *
+lookup_signed_typename PARAMS ((char *));
+
extern void
check_stub_type PARAMS ((struct type *));
extern void
fill_in_vptr_fieldno PARAMS ((struct type *));
+#if MAINTENANCE_CMDS
+extern void recursive_dump_type PARAMS ((struct type *, int));
+#endif
+
/* printcmd.c */
extern void
print_scalar_formatted PARAMS ((char *, struct type *, int, int, FILE *));
+#if MAINTENANCE_CMDS
+extern void maintenance_print_type PARAMS ((char *, int));
+#endif
+
#endif /* GDBTYPES_H */
projects / deliverable / binutils-gdb.git / blobdiff