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hp merge changes -- too numerous to mention here; see ChangeLog and

Browse source 
ChangeLog-gdbtk for details.
This commit is contained in:
David Taylor 1998-12-28 23:06:13 +00:00
parent d6fdf61c78
commit 4ef1f46773
68 changed files with 7667 additions and 859 deletions
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319
gdb/gdbtypes.h
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@ -29,9 +29,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define FT_VOID 0
#define FT_BOOLEAN 1
#define FT_CHAR 2
#define FT_SIGNED_CHAR 3
#define FT_UNSIGNED_CHAR 4
#define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */
#define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */
#define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */
#define FT_SHORT 5
#define FT_SIGNED_SHORT 6
#define FT_UNSIGNED_SHORT 7
@ -55,8 +55,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define FT_FLOAT_DECIMAL 25
#define FT_BYTE 26
#define FT_UNSIGNED_BYTE 27
#define FT_TEMPLATE_ARG 28
#define FT_NUM_MEMBERS 28 /* Highest FT_* above, plus one. */
#define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */
/* Some macros for char-based bitfields. */
@ -122,7 +123,10 @@ enum type_code
/* Fortran */
TYPE_CODE_COMPLEX, /* Complex float */
TYPE_CODE_TYPEDEF
TYPE_CODE_TYPEDEF,
TYPE_CODE_TEMPLATE, /* C++ template */
TYPE_CODE_TEMPLATE_ARG /* C++ template arg */
};
/* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
@ -136,10 +140,16 @@ enum type_code
/* Some bits for the type's flags word. */
/* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
type is signed. */
type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
#define TYPE_FLAG_UNSIGNED (1 << 0)
/* No sign for this type. In C++, "char", "signed char", and "unsigned
char" are distinct types; so we need an extra flag to indicate the
absence ofa sign! */
#define TYPE_FLAG_NOSIGN (1 << 1)
/* This appears in a type's flags word if it is a stub type (e.g., if
someone referenced a type that wasn't defined in a source file
via (struct sir_not_appearing_in_this_film *)). */
@ -154,11 +164,43 @@ enum type_code
#define TYPE_FLAG_TARGET_STUB (1 << 3)
/* Static type. If this is set, the corresponding type had
* a static modifier.
* Note: This may be unnecessary, since static data members
* are indicated by other means (bitpos == -1)
*/
#define TYPE_FLAG_STATIC (1 << 4)
/* Constant type. If this is set, the corresponding type has a
* const modifier.
*/
#define TYPE_FLAG_CONST (1 << 5)
/* Volatile type. If this is set, the corresponding type has a
* volatile modifier.
*/
#define TYPE_FLAG_VOLATILE (1 << 6)
/* This is a function type which appears to have a prototype. We need this
for function calls in order to tell us if it's necessary to coerce the args,
or to just do the standard conversions. */
or to just do the standard conversions. This is used with a short field. */
#define TYPE_FLAG_PROTOTYPED (1 << 7)
/* This flag is used to indicate that processing for this type
is incomplete.
(Mostly intended for HP platforms, where class methods, for
instance, can be encountered before their classes in the debug
info; the incomplete type has to be marked so that the class and
the method can be assigned correct types.) */
#define TYPE_FLAG_INCOMPLETE (1 << 8)
#define TYPE_FLAG_PROTOTYPED (1 << 4)
struct type
{
@ -245,9 +287,15 @@ struct type
struct type *reference_type;
/* C-v variant chain. This points to a type that
differs from this one only in a const or volatile
attribute (or both). The various c-v variants
are chained together in a ring. */
struct type *cv_type;
/* Flags about this type. */
short flags;
int flags;
/* Number of fields described for this type */
@ -382,8 +430,22 @@ struct cplus_struct_type
/* Number of methods described for this type, not including the
methods that it derives from. */
int nfn_fields_total;
short nfn_fields_total;
/* The "declared_type" field contains a code saying how the
user really declared this type, e.g., "class s", "union s",
"struct s".
The 3 above things come out from the C++ compiler looking like classes,
but we keep track of the real declaration so we can give
the correct information on "ptype". (Note: TEMPLATE may not
belong in this list...) */
#define DECLARED_TYPE_CLASS 0
#define DECLARED_TYPE_UNION 1
#define DECLARED_TYPE_STRUCT 2
#define DECLARED_TYPE_TEMPLATE 3
short declared_type; /* One of the above codes */
/* 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.
@ -453,10 +515,21 @@ struct cplus_struct_type
char *physname;
/* The type of the method. */
/* The function type for the method.
(This comment used to say "The return value of the method",
but that's wrong. The function type
is expected here, i.e. something with TYPE_CODE_FUNC,
and *not* the return-value type). */
struct type *type;
/* The argument list. Only valid if is_stub is clear. Contains
the type of each argument, including `this', and ending with
a NULL pointer after the last argument. Should not contain
a `this' pointer for static member functions. */
struct type **args;
/* For virtual functions.
First baseclass that defines this virtual function. */
@ -473,8 +546,11 @@ struct cplus_struct_type
to reconstruct the rest of the fields). */
unsigned int is_stub : 1;
/* C++ method that is inlined */
unsigned int is_inlined : 1;
/* Unused. */
unsigned int dummy : 3;
unsigned int dummy : 2;
/* Index into that baseclass's virtual function table,
minus 2; else if static: VOFFSET_STATIC; else: 0. */
@ -487,6 +563,72 @@ struct cplus_struct_type
} *fn_fieldlists;
/* If this "struct type" describes a template, then it
* has arguments. "template_args" points to an array of
* template arg descriptors, of length "ntemplate_args".
* The only real information in each of these template arg descriptors
* is a name. "type" will typically just point to a "struct type" with
* the placeholder TYPE_CODE_TEMPLATE_ARG type.
*/
short ntemplate_args;
struct template_arg
{
char *name;
struct type *type;
} *template_args;
/* If this "struct type" describes a template, it has a list
* of instantiations. "instantiations" is a pointer to an array
* of type's, one representing each instantiation. There
* are "ninstantiations" elements in this array.
*/
short ninstantiations;
struct type **instantiations;
/* The following points to information relevant to the runtime model
* of the compiler.
* Currently being used only for HP's ANSI C++ compiler.
* (This type may have to be changed/enhanced for other compilers.)
*
* RUNTIME_PTR is NULL if there is no runtime information (currently
* this means the type was not compiled by HP aCC).
*
* Fields in structure pointed to:
* ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
*
* ->PRIMARY_BASE points to the first non-virtual base class that has
* a virtual table.
*
* ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
* point to the type information for all virtual bases among this type's
* ancestors.
*/
struct runtime_info {
short has_vtable;
struct type * primary_base;
struct type ** virtual_base_list;
} * runtime_ptr;
/* Pointer to information about enclosing scope, if this is a
* local type. If it is not a local type, this is NULL
*/
struct local_type_info {
char * file;
int line;
} * localtype_ptr;
};
/* Struct used in computing virtual base list */
struct vbase
{
struct type * vbasetype; /* pointer to virtual base */
struct vbase * next; /* next in chain */
};
/* Struct used for ranking a function for overload resolution */
struct badness_vector {
int length;
int * rank;
};
/* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
@ -508,6 +650,7 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
#define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
#define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
#define TYPE_CV_TYPE(thistype) (thistype)->cv_type
/* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
so you only have to call check_typedef once. Since allocate_value
@ -516,11 +659,17 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define TYPE_OBJFILE(thistype) (thistype)->objfile
#define TYPE_FLAGS(thistype) (thistype)->flags
#define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
#define TYPE_NOSIGN(thistype) ((thistype)->flags & TYPE_FLAG_NOSIGN)
#define TYPE_CONST(thistype) ((thistype)->flags & TYPE_FLAG_CONST)
#define TYPE_VOLATILE(thistype) ((thistype)->flags & TYPE_FLAG_VOLATILE)
#define TYPE_INCOMPLETE(thistype) ((thistype)->flags & TYPE_FLAG_INCOMPLETE)
/* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real
type, you need to do TYPE_CODE (check_type (this_type)). */
#define TYPE_CODE(thistype) (thistype)->code
#define TYPE_NFIELDS(thistype) (thistype)->nfields
#define TYPE_FIELDS(thistype) (thistype)->fields
#define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
#define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
#define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
#define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
@ -545,6 +694,9 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
#define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
#define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
#define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
#define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
#define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
#define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
#define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
#define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
@ -552,9 +704,12 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
#define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
#define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
#define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index))
#define BASETYPE_VIA_PUBLIC(thistype, index) \
((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
#define BASETYPE_VIA_VIRTUAL(thistype, index) \
B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))
(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
: B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
#define FIELD_TYPE(thisfld) ((thisfld).type)
#define FIELD_NAME(thisfld) ((thisfld).name)
@ -572,6 +727,8 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
#define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
#define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
#define TYPE_FIELD_PRIVATE_BITS(thistype) \
TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
@ -599,7 +756,8 @@ allocate_cplus_struct_type PARAMS ((struct type *));
(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
: B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
#define TYPE_FIELD_VIRTUAL(thistype, n) \
B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
: B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
#define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitsize < 0)
#define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) ((thistype)->fields[n].bitsize == -2)
@ -621,11 +779,29 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#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_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
#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)
#define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
#define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
#define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
#define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
#define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
#define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
#define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
#define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
#define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \
(TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \
(TYPE_NFIELDS (thistype) == 0) && \
(TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
/* Implicit sizes */
extern struct type *builtin_type_void;
extern struct type *builtin_type_char;
@ -643,6 +819,7 @@ extern struct type *builtin_type_long_double;
extern struct type *builtin_type_complex;
extern struct type *builtin_type_double_complex;
extern struct type *builtin_type_string;
extern struct type *builtin_type_bool;
/* Explicit sizes - see <intypes.h> for naming schema */
extern struct type *builtin_type_int8;
@ -699,6 +876,9 @@ extern struct type *builtin_type_f_complex_s16;
extern struct type *builtin_type_f_complex_s32;
extern struct type *builtin_type_f_void;
/* RTTI for C++ */
/* extern struct type *builtin_type_cxx_typeinfo; */
/* Maximum and minimum values of built-in types */
#define MAX_OF_TYPE(t) \
@ -735,6 +915,9 @@ lookup_reference_type PARAMS ((struct type *));
extern struct type *
make_reference_type PARAMS ((struct type *, struct type **));
extern struct type *
make_cv_type PARAMS ((int, int, struct type *, struct type **));
extern struct type *
lookup_member_type PARAMS ((struct type *, struct type *));
@ -818,6 +1001,112 @@ extern int get_destructor_fn_field PARAMS ((struct type *, int *, int *));
extern int get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*));
extern int
get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*));
extern int
is_ancestor PARAMS ((struct type *, struct type *));
extern int
has_vtable PARAMS ((struct type *));
extern struct type *
primary_base_class PARAMS ((struct type *));
extern struct type **
virtual_base_list PARAMS ((struct type *));
extern int
virtual_base_list_length PARAMS ((struct type *));
extern int
virtual_base_list_length_skip_primaries PARAMS ((struct type *));
extern int
virtual_base_index PARAMS ((struct type *, struct type *));
extern int
virtual_base_index_skip_primaries PARAMS ((struct type *, struct type *));
extern int
class_index_in_primary_list PARAMS ((struct type *));
extern int
count_virtual_fns PARAMS ((struct type*));
/* Constants for HP/Taligent ANSI C++ runtime model */
/* Where virtual function entries begin in the
* virtual table, in the non-RRBC vtable format.
* First 4 are the metavtable pointer, top offset,
* typeinfo pointer, and dup base info pointer */
#define HP_ACC_VFUNC_START 4
/* (Negative) Offset where virtual base offset entries begin
* in the virtual table. Skips over metavtable pointer and
* the self-offset entry.
* NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
* appear before the address point of the vtable (the slot
* pointed to by the object's vtable pointer), i.e. at lower
* addresses than the vtable pointer. */
#define HP_ACC_VBASE_START 2
/* (Positive) Offset where the pointer to the typeinfo
* object is present in the virtual table */
#define HP_ACC_TYPEINFO_OFFSET 2
/* (Positive) Offset where the ``top offset'' entry of
* the virtual table is */
#define HP_ACC_TOP_OFFSET_OFFSET 1
/* Overload resolution */
#define LENGTH_MATCH(bv) ((bv)->rank[0])
/* Badness if parameter list length doesn't match arg list length */
#define LENGTH_MISMATCH_BADNESS 100
/* Dummy badness value for nonexistent parameter positions */
#define TOO_FEW_PARAMS_BADNESS 100
/* Badness if no conversion among types */
#define INCOMPATIBLE_TYPE_BADNESS 100
/* Badness of coercing large integer to smaller size */
#define INTEGER_COERCION_BADNESS 100
/* Badness of coercing large floating type to smaller size */
#define FLOAT_COERCION_BADNESS 100
/* Badness of integral promotion */
#define INTEGER_PROMOTION_BADNESS 1
/* Badness of floating promotion */
#define FLOAT_PROMOTION_BADNESS 1
/* Badness of integral conversion */
#define INTEGER_CONVERSION_BADNESS 2
/* Badness of floating conversion */
#define FLOAT_CONVERSION_BADNESS 2
/* Badness of integer<->floating conversions */
#define INT_FLOAT_CONVERSION_BADNESS 2
/* Badness of converting to a boolean */
#define BOOLEAN_CONVERSION_BADNESS 2
/* Badness of pointer conversion */
#define POINTER_CONVERSION_BADNESS 2
/* Badness of conversion of pointer to void pointer */
#define VOID_PTR_CONVERSION_BADNESS 2
/* Badness of convering derived to base class */
#define BASE_CONVERSION_BADNESS 2
/* Non-standard conversions allowed by the debugger */
/* Converting a pointer to an int is usually OK */
#define NS_POINTER_CONVERSION_BADNESS 10
extern int
compare_badness PARAMS ((struct badness_vector *, struct badness_vector *));
extern struct badness_vector *
rank_function PARAMS ((struct type **, int, struct type **, int));
extern int
rank_one_type PARAMS ((struct type *, struct type *));
#if MAINTENANCE_CMDS
extern void recursive_dump_type PARAMS ((struct type *, int));
#endif