1 /* Support routines for manipulating internal types for GDB.
2 Copyright (C) 1992, 93, 94, 95, 96, 1998 Free Software Foundation, Inc.
3 Contributed by Cygnus Support, using pieces from other GDB modules.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 #include "gdb_string.h"
28 #include "expression.h"
33 #include "complaints.h"
36 /* These variables point to the objects
37 representing the predefined C data types. */
39 struct type
*builtin_type_void
;
40 struct type
*builtin_type_char
;
41 struct type
*builtin_type_true_char
;
42 struct type
*builtin_type_short
;
43 struct type
*builtin_type_int
;
44 struct type
*builtin_type_long
;
45 struct type
*builtin_type_long_long
;
46 struct type
*builtin_type_signed_char
;
47 struct type
*builtin_type_unsigned_char
;
48 struct type
*builtin_type_unsigned_short
;
49 struct type
*builtin_type_unsigned_int
;
50 struct type
*builtin_type_unsigned_long
;
51 struct type
*builtin_type_unsigned_long_long
;
52 struct type
*builtin_type_float
;
53 struct type
*builtin_type_double
;
54 struct type
*builtin_type_long_double
;
55 struct type
*builtin_type_complex
;
56 struct type
*builtin_type_double_complex
;
57 struct type
*builtin_type_string
;
58 struct type
*builtin_type_int8
;
59 struct type
*builtin_type_uint8
;
60 struct type
*builtin_type_int16
;
61 struct type
*builtin_type_uint16
;
62 struct type
*builtin_type_int32
;
63 struct type
*builtin_type_uint32
;
64 struct type
*builtin_type_int64
;
65 struct type
*builtin_type_uint64
;
66 struct type
*builtin_type_bool
;
68 int opaque_type_resolution
= 1;
71 struct extra
{ char str
[128]; int len
; }; /* maximum extention is 128! FIXME */
73 static void add_name
PARAMS ((struct extra
*, char *));
74 static void add_mangled_type
PARAMS ((struct extra
*, struct type
*));
76 static void cfront_mangle_name
PARAMS ((struct type
*, int, int));
78 static void print_bit_vector
PARAMS ((B_TYPE
*, int));
79 static void print_arg_types
PARAMS ((struct type
**, int));
80 static void dump_fn_fieldlists
PARAMS ((struct type
*, int));
81 static void print_cplus_stuff
PARAMS ((struct type
*, int));
82 static void virtual_base_list_aux
PARAMS ((struct type
*dclass
));
85 /* Alloc a new type structure and fill it with some defaults. If
86 OBJFILE is non-NULL, then allocate the space for the type structure
87 in that objfile's type_obstack. */
91 struct objfile
*objfile
;
93 register struct type
*type
;
95 /* Alloc the structure and start off with all fields zeroed. */
99 type
= (struct type
*) xmalloc (sizeof (struct type
));
103 type
= (struct type
*) obstack_alloc (&objfile
-> type_obstack
,
104 sizeof (struct type
));
105 OBJSTAT (objfile
, n_types
++);
107 memset ((char *) type
, 0, sizeof (struct type
));
109 /* Initialize the fields that might not be zero. */
111 TYPE_CODE (type
) = TYPE_CODE_UNDEF
;
112 TYPE_OBJFILE (type
) = objfile
;
113 TYPE_VPTR_FIELDNO (type
) = -1;
114 TYPE_CV_TYPE (type
) = type
; /* chain back to itself */
119 /* Lookup a pointer to a type TYPE. TYPEPTR, if nonzero, points
120 to a pointer to memory where the pointer type should be stored.
121 If *TYPEPTR is zero, update it to point to the pointer type we return.
122 We allocate new memory if needed. */
125 make_pointer_type (type
, typeptr
)
127 struct type
**typeptr
;
129 register struct type
*ntype
; /* New type */
130 struct objfile
*objfile
;
132 ntype
= TYPE_POINTER_TYPE (type
);
137 return ntype
; /* Don't care about alloc, and have new type. */
138 else if (*typeptr
== 0)
140 *typeptr
= ntype
; /* Tracking alloc, and we have new type. */
145 if (typeptr
== 0 || *typeptr
== 0) /* We'll need to allocate one. */
147 ntype
= alloc_type (TYPE_OBJFILE (type
));
151 else /* We have storage, but need to reset it. */
154 objfile
= TYPE_OBJFILE (ntype
);
155 memset ((char *) ntype
, 0, sizeof (struct type
));
156 TYPE_OBJFILE (ntype
) = objfile
;
159 TYPE_TARGET_TYPE (ntype
) = type
;
160 TYPE_POINTER_TYPE (type
) = ntype
;
162 /* FIXME! Assume the machine has only one representation for pointers! */
164 TYPE_LENGTH (ntype
) = TARGET_PTR_BIT
/ TARGET_CHAR_BIT
;
165 TYPE_CODE (ntype
) = TYPE_CODE_PTR
;
167 /* pointers are unsigned */
168 TYPE_FLAGS (ntype
) |= TYPE_FLAG_UNSIGNED
;
170 if (!TYPE_POINTER_TYPE (type
)) /* Remember it, if don't have one. */
171 TYPE_POINTER_TYPE (type
) = ntype
;
176 /* Given a type TYPE, return a type of pointers to that type.
177 May need to construct such a type if this is the first use. */
180 lookup_pointer_type (type
)
183 return make_pointer_type (type
, (struct type
**)0);
186 /* Lookup a C++ `reference' to a type TYPE. TYPEPTR, if nonzero, points
187 to a pointer to memory where the reference type should be stored.
188 If *TYPEPTR is zero, update it to point to the reference type we return.
189 We allocate new memory if needed. */
192 make_reference_type (type
, typeptr
)
194 struct type
**typeptr
;
196 register struct type
*ntype
; /* New type */
197 struct objfile
*objfile
;
199 ntype
= TYPE_REFERENCE_TYPE (type
);
204 return ntype
; /* Don't care about alloc, and have new type. */
205 else if (*typeptr
== 0)
207 *typeptr
= ntype
; /* Tracking alloc, and we have new type. */
212 if (typeptr
== 0 || *typeptr
== 0) /* We'll need to allocate one. */
214 ntype
= alloc_type (TYPE_OBJFILE (type
));
218 else /* We have storage, but need to reset it. */
221 objfile
= TYPE_OBJFILE (ntype
);
222 memset ((char *) ntype
, 0, sizeof (struct type
));
223 TYPE_OBJFILE (ntype
) = objfile
;
226 TYPE_TARGET_TYPE (ntype
) = type
;
227 TYPE_REFERENCE_TYPE (type
) = ntype
;
229 /* FIXME! Assume the machine has only one representation for references,
230 and that it matches the (only) representation for pointers! */
232 TYPE_LENGTH (ntype
) = TARGET_PTR_BIT
/ TARGET_CHAR_BIT
;
233 TYPE_CODE (ntype
) = TYPE_CODE_REF
;
235 if (!TYPE_REFERENCE_TYPE (type
)) /* Remember it, if don't have one. */
236 TYPE_REFERENCE_TYPE (type
) = ntype
;
241 /* Same as above, but caller doesn't care about memory allocation details. */
244 lookup_reference_type (type
)
247 return make_reference_type (type
, (struct type
**)0);
250 /* Lookup a function type that returns type TYPE. TYPEPTR, if nonzero, points
251 to a pointer to memory where the function type should be stored.
252 If *TYPEPTR is zero, update it to point to the function type we return.
253 We allocate new memory if needed. */
256 make_function_type (type
, typeptr
)
258 struct type
**typeptr
;
260 register struct type
*ntype
; /* New type */
261 struct objfile
*objfile
;
263 if (typeptr
== 0 || *typeptr
== 0) /* We'll need to allocate one. */
265 ntype
= alloc_type (TYPE_OBJFILE (type
));
269 else /* We have storage, but need to reset it. */
272 objfile
= TYPE_OBJFILE (ntype
);
273 memset ((char *) ntype
, 0, sizeof (struct type
));
274 TYPE_OBJFILE (ntype
) = objfile
;
277 TYPE_TARGET_TYPE (ntype
) = type
;
279 TYPE_LENGTH (ntype
) = 1;
280 TYPE_CODE (ntype
) = TYPE_CODE_FUNC
;
286 /* Given a type TYPE, return a type of functions that return that type.
287 May need to construct such a type if this is the first use. */
290 lookup_function_type (type
)
293 return make_function_type (type
, (struct type
**)0);
297 /* Make a "c-v" variant of a type -- a type that is identical to the
298 one supplied except that it may have const or volatile attributes
299 CNST is a flag for setting the const attribute
300 VOLTL is a flag for setting the volatile attribute
301 TYPE is the base type whose variant we are creating.
302 TYPEPTR, if nonzero, points
303 to a pointer to memory where the reference type should be stored.
304 If *TYPEPTR is zero, update it to point to the reference type we return.
305 We allocate new memory if needed. */
308 make_cv_type (cnst
, voltl
, type
, typeptr
)
312 struct type
**typeptr
;
314 register struct type
*ntype
; /* New type */
315 register struct type
*tmp_type
= type
; /* tmp type */
316 struct objfile
*objfile
;
318 ntype
= TYPE_CV_TYPE (type
);
320 while (ntype
!= type
)
322 if ((TYPE_CONST (ntype
) == cnst
) &&
323 (TYPE_VOLATILE (ntype
) == voltl
))
327 else if (*typeptr
== 0)
329 *typeptr
= ntype
; /* Tracking alloc, and we have new type. */
334 ntype
= TYPE_CV_TYPE (ntype
);
337 if (typeptr
== 0 || *typeptr
== 0) /* We'll need to allocate one. */
339 ntype
= alloc_type (TYPE_OBJFILE (type
));
343 else /* We have storage, but need to reset it. */
346 objfile
= TYPE_OBJFILE (ntype
);
347 /* memset ((char *) ntype, 0, sizeof (struct type)); */
348 TYPE_OBJFILE (ntype
) = objfile
;
351 /* Copy original type */
352 memcpy ((char *) ntype
, (char *) type
, sizeof (struct type
));
353 /* But zero out fields that shouldn't be copied */
354 TYPE_POINTER_TYPE (ntype
) = (struct type
*) 0; /* Need new pointer kind */
355 TYPE_REFERENCE_TYPE (ntype
) = (struct type
*) 0; /* Need new referene kind */
356 /* Note: TYPE_TARGET_TYPE can be left as is */
358 /* Set flags appropriately */
360 TYPE_FLAGS (ntype
) |= TYPE_FLAG_CONST
;
362 TYPE_FLAGS (ntype
) &= ~TYPE_FLAG_CONST
;
365 TYPE_FLAGS (ntype
) |= TYPE_FLAG_VOLATILE
;
367 TYPE_FLAGS (ntype
) &= ~TYPE_FLAG_VOLATILE
;
369 /* Fix the chain of cv variants */
370 TYPE_CV_TYPE (ntype
) = type
;
371 TYPE_CV_TYPE (tmp_type
) = ntype
;
379 /* Implement direct support for MEMBER_TYPE in GNU C++.
380 May need to construct such a type if this is the first use.
381 The TYPE is the type of the member. The DOMAIN is the type
382 of the aggregate that the member belongs to. */
385 lookup_member_type (type
, domain
)
389 register struct type
*mtype
;
391 mtype
= alloc_type (TYPE_OBJFILE (type
));
392 smash_to_member_type (mtype
, domain
, type
);
396 /* Allocate a stub method whose return type is TYPE.
397 This apparently happens for speed of symbol reading, since parsing
398 out the arguments to the method is cpu-intensive, the way we are doing
399 it. So, we will fill in arguments later.
400 This always returns a fresh type. */
403 allocate_stub_method (type
)
408 mtype
= alloc_type (TYPE_OBJFILE (type
));
409 TYPE_TARGET_TYPE (mtype
) = type
;
410 /* _DOMAIN_TYPE (mtype) = unknown yet */
411 /* _ARG_TYPES (mtype) = unknown yet */
412 TYPE_FLAGS (mtype
) = TYPE_FLAG_STUB
;
413 TYPE_CODE (mtype
) = TYPE_CODE_METHOD
;
414 TYPE_LENGTH (mtype
) = 1;
418 /* Create a range type using either a blank type supplied in RESULT_TYPE,
419 or creating a new type, inheriting the objfile from INDEX_TYPE.
421 Indices will be of type INDEX_TYPE, and will range from LOW_BOUND to
422 HIGH_BOUND, inclusive.
424 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
425 sure it is TYPE_CODE_UNDEF before we bash it into a range type? */
428 create_range_type (result_type
, index_type
, low_bound
, high_bound
)
429 struct type
*result_type
;
430 struct type
*index_type
;
434 if (result_type
== NULL
)
436 result_type
= alloc_type (TYPE_OBJFILE (index_type
));
438 TYPE_CODE (result_type
) = TYPE_CODE_RANGE
;
439 TYPE_TARGET_TYPE (result_type
) = index_type
;
440 if (TYPE_FLAGS (index_type
) & TYPE_FLAG_STUB
)
441 TYPE_FLAGS (result_type
) |= TYPE_FLAG_TARGET_STUB
;
443 TYPE_LENGTH (result_type
) = TYPE_LENGTH (check_typedef (index_type
));
444 TYPE_NFIELDS (result_type
) = 2;
445 TYPE_FIELDS (result_type
) = (struct field
*)
446 TYPE_ALLOC (result_type
, 2 * sizeof (struct field
));
447 memset (TYPE_FIELDS (result_type
), 0, 2 * sizeof (struct field
));
448 TYPE_FIELD_BITPOS (result_type
, 0) = low_bound
;
449 TYPE_FIELD_BITPOS (result_type
, 1) = high_bound
;
450 TYPE_FIELD_TYPE (result_type
, 0) = builtin_type_int
; /* FIXME */
451 TYPE_FIELD_TYPE (result_type
, 1) = builtin_type_int
; /* FIXME */
454 TYPE_FLAGS (result_type
) |= TYPE_FLAG_UNSIGNED
;
456 return (result_type
);
459 /* Set *LOWP and *HIGHP to the lower and upper bounds of discrete type TYPE.
460 Return 1 of type is a range type, 0 if it is discrete (and bounds
461 will fit in LONGEST), or -1 otherwise. */
464 get_discrete_bounds (type
, lowp
, highp
)
466 LONGEST
*lowp
, *highp
;
468 CHECK_TYPEDEF (type
);
469 switch (TYPE_CODE (type
))
471 case TYPE_CODE_RANGE
:
472 *lowp
= TYPE_LOW_BOUND (type
);
473 *highp
= TYPE_HIGH_BOUND (type
);
476 if (TYPE_NFIELDS (type
) > 0)
478 /* The enums may not be sorted by value, so search all
482 *lowp
= *highp
= TYPE_FIELD_BITPOS (type
, 0);
483 for (i
= 0; i
< TYPE_NFIELDS (type
); i
++)
485 if (TYPE_FIELD_BITPOS (type
, i
) < *lowp
)
486 *lowp
= TYPE_FIELD_BITPOS (type
, i
);
487 if (TYPE_FIELD_BITPOS (type
, i
) > *highp
)
488 *highp
= TYPE_FIELD_BITPOS (type
, i
);
491 /* Set unsigned indicator if warranted. */
494 TYPE_FLAGS (type
) |= TYPE_FLAG_UNSIGNED
;
508 if (TYPE_LENGTH (type
) > sizeof (LONGEST
)) /* Too big */
510 if (!TYPE_UNSIGNED (type
))
512 *lowp
= - (1 << (TYPE_LENGTH (type
) * TARGET_CHAR_BIT
- 1));
516 /* ... fall through for unsigned ints ... */
519 /* This round-about calculation is to avoid shifting by
520 TYPE_LENGTH (type) * TARGET_CHAR_BIT, which will not work
521 if TYPE_LENGTH (type) == sizeof (LONGEST). */
522 *highp
= 1 << (TYPE_LENGTH (type
) * TARGET_CHAR_BIT
- 1);
523 *highp
= (*highp
- 1) | *highp
;
530 /* Create an array type using either a blank type supplied in RESULT_TYPE,
531 or creating a new type, inheriting the objfile from RANGE_TYPE.
533 Elements will be of type ELEMENT_TYPE, the indices will be of type
536 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
537 sure it is TYPE_CODE_UNDEF before we bash it into an array type? */
540 create_array_type (result_type
, element_type
, range_type
)
541 struct type
*result_type
;
542 struct type
*element_type
;
543 struct type
*range_type
;
545 LONGEST low_bound
, high_bound
;
547 if (result_type
== NULL
)
549 result_type
= alloc_type (TYPE_OBJFILE (range_type
));
551 TYPE_CODE (result_type
) = TYPE_CODE_ARRAY
;
552 TYPE_TARGET_TYPE (result_type
) = element_type
;
553 if (get_discrete_bounds (range_type
, &low_bound
, &high_bound
) < 0)
554 low_bound
= high_bound
= 0;
555 CHECK_TYPEDEF (element_type
);
556 TYPE_LENGTH (result_type
) =
557 TYPE_LENGTH (element_type
) * (high_bound
- low_bound
+ 1);
558 TYPE_NFIELDS (result_type
) = 1;
559 TYPE_FIELDS (result_type
) =
560 (struct field
*) TYPE_ALLOC (result_type
, sizeof (struct field
));
561 memset (TYPE_FIELDS (result_type
), 0, sizeof (struct field
));
562 TYPE_FIELD_TYPE (result_type
, 0) = range_type
;
563 TYPE_VPTR_FIELDNO (result_type
) = -1;
565 /* TYPE_FLAG_TARGET_STUB will take care of zero length arrays */
566 if (TYPE_LENGTH (result_type
) == 0)
567 TYPE_FLAGS (result_type
) |= TYPE_FLAG_TARGET_STUB
;
569 return (result_type
);
572 /* Create a string type using either a blank type supplied in RESULT_TYPE,
573 or creating a new type. String types are similar enough to array of
574 char types that we can use create_array_type to build the basic type
575 and then bash it into a string type.
577 For fixed length strings, the range type contains 0 as the lower
578 bound and the length of the string minus one as the upper bound.
580 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
581 sure it is TYPE_CODE_UNDEF before we bash it into a string type? */
584 create_string_type (result_type
, range_type
)
585 struct type
*result_type
;
586 struct type
*range_type
;
588 result_type
= create_array_type (result_type
,
589 *current_language
->string_char_type
,
591 TYPE_CODE (result_type
) = TYPE_CODE_STRING
;
592 return (result_type
);
596 create_set_type (result_type
, domain_type
)
597 struct type
*result_type
;
598 struct type
*domain_type
;
600 LONGEST low_bound
, high_bound
, bit_length
;
601 if (result_type
== NULL
)
603 result_type
= alloc_type (TYPE_OBJFILE (domain_type
));
605 TYPE_CODE (result_type
) = TYPE_CODE_SET
;
606 TYPE_NFIELDS (result_type
) = 1;
607 TYPE_FIELDS (result_type
) = (struct field
*)
608 TYPE_ALLOC (result_type
, 1 * sizeof (struct field
));
609 memset (TYPE_FIELDS (result_type
), 0, sizeof (struct field
));
611 if (! (TYPE_FLAGS (domain_type
) & TYPE_FLAG_STUB
))
613 if (get_discrete_bounds (domain_type
, &low_bound
, &high_bound
) < 0)
614 low_bound
= high_bound
= 0;
615 bit_length
= high_bound
- low_bound
+ 1;
616 TYPE_LENGTH (result_type
)
617 = (bit_length
+ TARGET_CHAR_BIT
- 1) / TARGET_CHAR_BIT
;
619 TYPE_FIELD_TYPE (result_type
, 0) = domain_type
;
622 TYPE_FLAGS (result_type
) |= TYPE_FLAG_UNSIGNED
;
624 return (result_type
);
627 /* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE.
628 A MEMBER is a wierd thing -- it amounts to a typed offset into
629 a struct, e.g. "an int at offset 8". A MEMBER TYPE doesn't
630 include the offset (that's the value of the MEMBER itself), but does
631 include the structure type into which it points (for some reason).
633 When "smashing" the type, we preserve the objfile that the
634 old type pointed to, since we aren't changing where the type is actually
638 smash_to_member_type (type
, domain
, to_type
)
641 struct type
*to_type
;
643 struct objfile
*objfile
;
645 objfile
= TYPE_OBJFILE (type
);
647 memset ((char *) type
, 0, sizeof (struct type
));
648 TYPE_OBJFILE (type
) = objfile
;
649 TYPE_TARGET_TYPE (type
) = to_type
;
650 TYPE_DOMAIN_TYPE (type
) = domain
;
651 TYPE_LENGTH (type
) = 1; /* In practice, this is never needed. */
652 TYPE_CODE (type
) = TYPE_CODE_MEMBER
;
655 /* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE.
656 METHOD just means `function that gets an extra "this" argument'.
658 When "smashing" the type, we preserve the objfile that the
659 old type pointed to, since we aren't changing where the type is actually
663 smash_to_method_type (type
, domain
, to_type
, args
)
666 struct type
*to_type
;
669 struct objfile
*objfile
;
671 objfile
= TYPE_OBJFILE (type
);
673 memset ((char *) type
, 0, sizeof (struct type
));
674 TYPE_OBJFILE (type
) = objfile
;
675 TYPE_TARGET_TYPE (type
) = to_type
;
676 TYPE_DOMAIN_TYPE (type
) = domain
;
677 TYPE_ARG_TYPES (type
) = args
;
678 TYPE_LENGTH (type
) = 1; /* In practice, this is never needed. */
679 TYPE_CODE (type
) = TYPE_CODE_METHOD
;
682 /* Return a typename for a struct/union/enum type without "struct ",
683 "union ", or "enum ". If the type has a NULL name, return NULL. */
686 type_name_no_tag (type
)
687 register const struct type
*type
;
689 if (TYPE_TAG_NAME (type
) != NULL
)
690 return TYPE_TAG_NAME (type
);
692 /* Is there code which expects this to return the name if there is no
693 tag name? My guess is that this is mainly used for C++ in cases where
694 the two will always be the same. */
695 return TYPE_NAME (type
);
698 /* Lookup a primitive type named NAME.
699 Return zero if NAME is not a primitive type.*/
702 lookup_primitive_typename (name
)
705 struct type
** const *p
;
707 for (p
= current_language
-> la_builtin_type_vector
; *p
!= NULL
; p
++)
709 if (STREQ ((**p
) -> name
, name
))
717 /* Lookup a typedef or primitive type named NAME,
718 visible in lexical block BLOCK.
719 If NOERR is nonzero, return zero if NAME is not suitably defined. */
722 lookup_typename (name
, block
, noerr
)
727 register struct symbol
*sym
;
728 register struct type
*tmp
;
730 sym
= lookup_symbol (name
, block
, VAR_NAMESPACE
, 0, (struct symtab
**) NULL
);
731 if (sym
== NULL
|| SYMBOL_CLASS (sym
) != LOC_TYPEDEF
)
733 tmp
= lookup_primitive_typename (name
);
738 else if (!tmp
&& noerr
)
744 error ("No type named %s.", name
);
747 return (SYMBOL_TYPE (sym
));
751 lookup_unsigned_typename (name
)
754 char *uns
= alloca (strlen (name
) + 10);
756 strcpy (uns
, "unsigned ");
757 strcpy (uns
+ 9, name
);
758 return (lookup_typename (uns
, (struct block
*) NULL
, 0));
762 lookup_signed_typename (name
)
766 char *uns
= alloca (strlen (name
) + 8);
768 strcpy (uns
, "signed ");
769 strcpy (uns
+ 7, name
);
770 t
= lookup_typename (uns
, (struct block
*) NULL
, 1);
771 /* If we don't find "signed FOO" just try again with plain "FOO". */
774 return lookup_typename (name
, (struct block
*) NULL
, 0);
777 /* Lookup a structure type named "struct NAME",
778 visible in lexical block BLOCK. */
781 lookup_struct (name
, block
)
785 register struct symbol
*sym
;
787 sym
= lookup_symbol (name
, block
, STRUCT_NAMESPACE
, 0,
788 (struct symtab
**) NULL
);
792 error ("No struct type named %s.", name
);
794 if (TYPE_CODE (SYMBOL_TYPE (sym
)) != TYPE_CODE_STRUCT
)
796 error ("This context has class, union or enum %s, not a struct.", name
);
798 return (SYMBOL_TYPE (sym
));
801 /* Lookup a union type named "union NAME",
802 visible in lexical block BLOCK. */
805 lookup_union (name
, block
)
809 register struct symbol
*sym
;
812 sym
= lookup_symbol (name
, block
, STRUCT_NAMESPACE
, 0,
813 (struct symtab
**) NULL
);
816 error ("No union type named %s.", name
);
818 t
= SYMBOL_TYPE(sym
);
820 if (TYPE_CODE (t
) == TYPE_CODE_UNION
)
823 /* C++ unions may come out with TYPE_CODE_CLASS, but we look at
824 * a further "declared_type" field to discover it is really a union.
826 if (HAVE_CPLUS_STRUCT (t
))
827 if (TYPE_DECLARED_TYPE(t
) == DECLARED_TYPE_UNION
)
830 /* If we get here, it's not a union */
831 error ("This context has class, struct or enum %s, not a union.", name
);
835 /* Lookup an enum type named "enum NAME",
836 visible in lexical block BLOCK. */
839 lookup_enum (name
, block
)
843 register struct symbol
*sym
;
845 sym
= lookup_symbol (name
, block
, STRUCT_NAMESPACE
, 0,
846 (struct symtab
**) NULL
);
849 error ("No enum type named %s.", name
);
851 if (TYPE_CODE (SYMBOL_TYPE (sym
)) != TYPE_CODE_ENUM
)
853 error ("This context has class, struct or union %s, not an enum.", name
);
855 return (SYMBOL_TYPE (sym
));
858 /* Lookup a template type named "template NAME<TYPE>",
859 visible in lexical block BLOCK. */
862 lookup_template_type (name
, type
, block
)
868 char *nam
= (char*) alloca(strlen(name
) + strlen(type
->name
) + 4);
871 strcat (nam
, type
->name
);
872 strcat (nam
, " >"); /* FIXME, extra space still introduced in gcc? */
874 sym
= lookup_symbol (nam
, block
, VAR_NAMESPACE
, 0, (struct symtab
**)NULL
);
878 error ("No template type named %s.", name
);
880 if (TYPE_CODE (SYMBOL_TYPE (sym
)) != TYPE_CODE_STRUCT
)
882 error ("This context has class, union or enum %s, not a struct.", name
);
884 return (SYMBOL_TYPE (sym
));
887 /* Given a type TYPE, lookup the type of the component of type named NAME.
889 TYPE can be either a struct or union, or a pointer or reference to a struct or
890 union. If it is a pointer or reference, its target type is automatically used.
891 Thus '.' and '->' are interchangable, as specified for the definitions of the
892 expression element types STRUCTOP_STRUCT and STRUCTOP_PTR.
894 If NOERR is nonzero, return zero if NAME is not suitably defined.
895 If NAME is the name of a baseclass type, return that type. */
898 lookup_struct_elt_type (type
, name
, noerr
)
907 CHECK_TYPEDEF (type
);
908 if (TYPE_CODE (type
) != TYPE_CODE_PTR
909 && TYPE_CODE (type
) != TYPE_CODE_REF
)
911 type
= TYPE_TARGET_TYPE (type
);
914 if (TYPE_CODE (type
) != TYPE_CODE_STRUCT
&&
915 TYPE_CODE (type
) != TYPE_CODE_UNION
)
917 target_terminal_ours ();
918 gdb_flush (gdb_stdout
);
919 fprintf_unfiltered (gdb_stderr
, "Type ");
920 type_print (type
, "", gdb_stderr
, -1);
921 error (" is not a structure or union type.");
925 /* FIXME: This change put in by Michael seems incorrect for the case where
926 the structure tag name is the same as the member name. I.E. when doing
927 "ptype bell->bar" for "struct foo { int bar; int foo; } bell;"
932 typename
= type_name_no_tag (type
);
933 if (typename
!= NULL
&& STREQ (typename
, name
))
938 for (i
= TYPE_NFIELDS (type
) - 1; i
>= TYPE_N_BASECLASSES (type
); i
--)
940 char *t_field_name
= TYPE_FIELD_NAME (type
, i
);
942 if (t_field_name
&& STREQ (t_field_name
, name
))
944 return TYPE_FIELD_TYPE (type
, i
);
948 /* OK, it's not in this class. Recursively check the baseclasses. */
949 for (i
= TYPE_N_BASECLASSES (type
) - 1; i
>= 0; i
--)
953 t
= lookup_struct_elt_type (TYPE_BASECLASS (type
, i
), name
, noerr
);
965 target_terminal_ours ();
966 gdb_flush (gdb_stdout
);
967 fprintf_unfiltered (gdb_stderr
, "Type ");
968 type_print (type
, "", gdb_stderr
, -1);
969 fprintf_unfiltered (gdb_stderr
, " has no component named ");
970 fputs_filtered (name
, gdb_stderr
);
972 return (struct type
*)-1; /* For lint */
975 /* If possible, make the vptr_fieldno and vptr_basetype fields of TYPE
976 valid. Callers should be aware that in some cases (for example,
977 the type or one of its baseclasses is a stub type and we are
978 debugging a .o file), this function will not be able to find the virtual
979 function table pointer, and vptr_fieldno will remain -1 and vptr_basetype
983 fill_in_vptr_fieldno (type
)
986 CHECK_TYPEDEF (type
);
988 if (TYPE_VPTR_FIELDNO (type
) < 0)
992 /* We must start at zero in case the first (and only) baseclass is
993 virtual (and hence we cannot share the table pointer). */
994 for (i
= 0; i
< TYPE_N_BASECLASSES (type
); i
++)
996 fill_in_vptr_fieldno (TYPE_BASECLASS (type
, i
));
997 if (TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type
, i
)) >= 0)
999 TYPE_VPTR_FIELDNO (type
)
1000 = TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type
, i
));
1001 TYPE_VPTR_BASETYPE (type
)
1002 = TYPE_VPTR_BASETYPE (TYPE_BASECLASS (type
, i
));
1009 /* Find the method and field indices for the destructor in class type T.
1010 Return 1 if the destructor was found, otherwise, return 0. */
1013 get_destructor_fn_field (t
, method_indexp
, field_indexp
)
1020 for (i
= 0; i
< TYPE_NFN_FIELDS (t
); i
++)
1023 struct fn_field
*f
= TYPE_FN_FIELDLIST1 (t
, i
);
1025 for (j
= 0; j
< TYPE_FN_FIELDLIST_LENGTH (t
, i
); j
++)
1027 if (DESTRUCTOR_PREFIX_P (TYPE_FN_FIELD_PHYSNAME (f
, j
)))
1038 /* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989.
1040 If this is a stubbed struct (i.e. declared as struct foo *), see if
1041 we can find a full definition in some other file. If so, copy this
1042 definition, so we can use it in future. There used to be a comment (but
1043 not any code) that if we don't find a full definition, we'd set a flag
1044 so we don't spend time in the future checking the same type. That would
1045 be a mistake, though--we might load in more symbols which contain a
1046 full definition for the type.
1048 This used to be coded as a macro, but I don't think it is called
1049 often enough to merit such treatment. */
1051 struct complaint stub_noname_complaint
=
1052 {"stub type has NULL name", 0, 0};
1055 check_typedef (type
)
1056 register struct type
*type
;
1058 struct type
*orig_type
= type
;
1059 while (TYPE_CODE (type
) == TYPE_CODE_TYPEDEF
)
1061 if (!TYPE_TARGET_TYPE (type
))
1066 /* It is dangerous to call lookup_symbol if we are currently
1067 reading a symtab. Infinite recursion is one danger. */
1068 if (currently_reading_symtab
)
1071 name
= type_name_no_tag (type
);
1072 /* FIXME: shouldn't we separately check the TYPE_NAME and the
1073 TYPE_TAG_NAME, and look in STRUCT_NAMESPACE and/or VAR_NAMESPACE
1074 as appropriate? (this code was written before TYPE_NAME and
1075 TYPE_TAG_NAME were separate). */
1078 complain (&stub_noname_complaint
);
1081 sym
= lookup_symbol (name
, 0, STRUCT_NAMESPACE
, 0,
1082 (struct symtab
**) NULL
);
1084 TYPE_TARGET_TYPE (type
) = SYMBOL_TYPE (sym
);
1086 TYPE_TARGET_TYPE (type
) = alloc_type (NULL
); /* TYPE_CODE_UNDEF */
1088 type
= TYPE_TARGET_TYPE (type
);
1091 /* If this is a struct/class/union with no fields, then check whether a
1092 full definition exists somewhere else. This is for systems where a
1093 type definition with no fields is issued for such types, instead of
1094 identifying them as stub types in the first place */
1096 if (TYPE_IS_OPAQUE (type
) && opaque_type_resolution
&& !currently_reading_symtab
)
1098 char * name
= type_name_no_tag (type
);
1099 struct type
* newtype
;
1102 complain (&stub_noname_complaint
);
1105 newtype
= lookup_transparent_type (name
);
1108 memcpy ((char *) type
, (char *) newtype
, sizeof (struct type
));
1111 /* Otherwise, rely on the stub flag being set for opaque/stubbed types */
1112 else if ((TYPE_FLAGS(type
) & TYPE_FLAG_STUB
) && ! currently_reading_symtab
)
1114 char* name
= type_name_no_tag (type
);
1115 /* FIXME: shouldn't we separately check the TYPE_NAME and the
1116 TYPE_TAG_NAME, and look in STRUCT_NAMESPACE and/or VAR_NAMESPACE
1117 as appropriate? (this code was written before TYPE_NAME and
1118 TYPE_TAG_NAME were separate). */
1122 complain (&stub_noname_complaint
);
1125 sym
= lookup_symbol (name
, 0, STRUCT_NAMESPACE
, 0, (struct symtab
**) NULL
);
1128 memcpy ((char *)type
, (char *)SYMBOL_TYPE(sym
), sizeof (struct type
));
1132 if (TYPE_FLAGS (type
) & TYPE_FLAG_TARGET_STUB
)
1134 struct type
*range_type
;
1135 struct type
*target_type
= check_typedef (TYPE_TARGET_TYPE (type
));
1137 if (TYPE_FLAGS (target_type
) & (TYPE_FLAG_STUB
| TYPE_FLAG_TARGET_STUB
))
1139 else if (TYPE_CODE (type
) == TYPE_CODE_ARRAY
1140 && TYPE_NFIELDS (type
) == 1
1141 && (TYPE_CODE (range_type
= TYPE_FIELD_TYPE (type
, 0))
1142 == TYPE_CODE_RANGE
))
1144 /* Now recompute the length of the array type, based on its
1145 number of elements and the target type's length. */
1146 TYPE_LENGTH (type
) =
1147 ((TYPE_FIELD_BITPOS (range_type
, 1)
1148 - TYPE_FIELD_BITPOS (range_type
, 0)
1150 * TYPE_LENGTH (target_type
));
1151 TYPE_FLAGS (type
) &= ~TYPE_FLAG_TARGET_STUB
;
1153 else if (TYPE_CODE (type
) == TYPE_CODE_RANGE
)
1155 TYPE_LENGTH (type
) = TYPE_LENGTH (target_type
);
1156 TYPE_FLAGS (type
) &= ~TYPE_FLAG_TARGET_STUB
;
1159 /* Cache TYPE_LENGTH for future use. */
1160 TYPE_LENGTH (orig_type
) = TYPE_LENGTH (type
);
1164 /* New code added to support parsing of Cfront stabs strings */
1166 #define INIT_EXTRA { pextras->len=0; pextras->str[0]='\0'; }
1167 #define ADD_EXTRA(c) { pextras->str[pextras->len++]=c; }
1171 struct extra
* pextras
;
1176 if ((nlen
= (n
? strlen(n
) : 0))==0)
1178 sprintf(pextras
->str
+pextras
->len
,"%d%s",nlen
,n
);
1179 pextras
->len
=strlen(pextras
->str
);
1183 add_mangled_type(pextras
,t
)
1184 struct extra
* pextras
;
1187 enum type_code tcode
;
1191 tcode
= TYPE_CODE(t
);
1192 tlen
= TYPE_LENGTH(t
);
1193 tflags
= TYPE_FLAGS(t
);
1194 tname
= TYPE_NAME(t
);
1195 /* args of "..." seem to get mangled as "e" */
1213 if ((pname
=strrchr(tname
,'l'),pname
) && !strcmp(pname
,"long"))
1226 static struct complaint msg
= {"Bad int type code length x%x\n",0,0};
1228 complain (&msg
, tlen
);
1247 static struct complaint msg
= {"Bad float type code length x%x\n",0,0};
1248 complain (&msg
, tlen
);
1254 /* followed by what it's a ref to */
1258 /* followed by what it's a ptr to */
1260 case TYPE_CODE_TYPEDEF
:
1262 static struct complaint msg
= {"Typedefs in overloaded functions not yet supported\n",0,0};
1265 /* followed by type bytes & name */
1267 case TYPE_CODE_FUNC
:
1269 /* followed by func's arg '_' & ret types */
1271 case TYPE_CODE_VOID
:
1274 case TYPE_CODE_METHOD
:
1276 /* followed by name of class and func's arg '_' & ret types */
1277 add_name(pextras
,tname
);
1278 ADD_EXTRA('F'); /* then mangle function */
1280 case TYPE_CODE_STRUCT
: /* C struct */
1281 case TYPE_CODE_UNION
: /* C union */
1282 case TYPE_CODE_ENUM
: /* Enumeration type */
1283 /* followed by name of type */
1284 add_name(pextras
,tname
);
1287 /* errors possible types/not supported */
1288 case TYPE_CODE_CHAR
:
1289 case TYPE_CODE_ARRAY
: /* Array type */
1290 case TYPE_CODE_MEMBER
: /* Member type */
1291 case TYPE_CODE_BOOL
:
1292 case TYPE_CODE_COMPLEX
: /* Complex float */
1293 case TYPE_CODE_UNDEF
:
1294 case TYPE_CODE_SET
: /* Pascal sets */
1295 case TYPE_CODE_RANGE
:
1296 case TYPE_CODE_STRING
:
1297 case TYPE_CODE_BITSTRING
:
1298 case TYPE_CODE_ERROR
:
1301 static struct complaint msg
= {"Unknown type code x%x\n",0,0};
1302 complain (&msg
, tcode
);
1306 add_mangled_type(pextras
,t
->target_type
);
1311 cfront_mangle_name(type
, i
, j
)
1317 char *mangled_name
= gdb_mangle_name (type
, i
, j
);
1319 f
= TYPE_FN_FIELDLIST1 (type
, i
); /* moved from below */
1321 /* kludge to support cfront methods - gdb expects to find "F" for
1322 ARM_mangled names, so when we mangle, we have to add it here */
1326 char * arm_mangled_name
;
1327 struct fn_field
*method
= &f
[j
];
1328 char *field_name
= TYPE_FN_FIELDLIST_NAME (type
, i
);
1329 char *physname
= TYPE_FN_FIELD_PHYSNAME (f
, j
);
1330 char *newname
= type_name_no_tag (type
);
1332 struct type
*ftype
= TYPE_FN_FIELD_TYPE (f
, j
);
1333 int nargs
= TYPE_NFIELDS(ftype
); /* number of args */
1334 struct extra extras
, * pextras
= &extras
;
1337 if (TYPE_FN_FIELD_STATIC_P (f
, j
)) /* j for sublist within this list */
1340 /* add args here! */
1341 if (nargs
<= 1) /* no args besides this */
1344 for (k
=1; k
<nargs
; k
++)
1347 t
= TYPE_FIELD_TYPE(ftype
,k
);
1348 add_mangled_type(pextras
,t
);
1352 printf("add_mangled_type: %s\n",extras
.str
); /* FIXME */
1353 arm_mangled_name
= malloc(strlen(mangled_name
)+extras
.len
);
1354 sprintf(arm_mangled_name
,"%s%s",mangled_name
,extras
.str
);
1356 mangled_name
= arm_mangled_name
;
1362 /* End of new code added to support parsing of Cfront stabs strings */
1364 /* Ugly hack to convert method stubs into method types.
1366 He ain't kiddin'. This demangles the name of the method into a string
1367 including argument types, parses out each argument type, generates
1368 a string casting a zero to that type, evaluates the string, and stuffs
1369 the resulting type into an argtype vector!!! Then it knows the type
1370 of the whole function (including argument types for overloading),
1371 which info used to be in the stab's but was removed to hack back
1372 the space required for them. */
1375 check_stub_method (type
, method_id
, signature_id
)
1381 char *mangled_name
= gdb_mangle_name (type
, method_id
, signature_id
);
1382 char *demangled_name
= cplus_demangle (mangled_name
,
1383 DMGL_PARAMS
| DMGL_ANSI
);
1384 char *argtypetext
, *p
;
1385 int depth
= 0, argcount
= 1;
1386 struct type
**argtypes
;
1389 /* Make sure we got back a function string that we can use. */
1391 p
= strchr (demangled_name
, '(');
1393 if (demangled_name
== NULL
|| p
== NULL
)
1394 error ("Internal: Cannot demangle mangled name `%s'.", mangled_name
);
1396 /* Now, read in the parameters that define this type. */
1409 else if (*p
== ',' && depth
== 0)
1417 /* We need two more slots: one for the THIS pointer, and one for the
1418 NULL [...] or void [end of arglist]. */
1420 argtypes
= (struct type
**)
1421 TYPE_ALLOC (type
, (argcount
+ 2) * sizeof (struct type
*));
1423 /* FIXME: This is wrong for static member functions. */
1424 argtypes
[0] = lookup_pointer_type (type
);
1427 if (*p
!= ')') /* () means no args, skip while */
1432 if (depth
<= 0 && (*p
== ',' || *p
== ')'))
1434 /* Avoid parsing of ellipsis, they will be handled below. */
1435 if (strncmp (argtypetext
, "...", p
- argtypetext
) != 0)
1437 argtypes
[argcount
] =
1438 parse_and_eval_type (argtypetext
, p
- argtypetext
);
1441 argtypetext
= p
+ 1;
1457 if (p
[-2] != '.') /* Not '...' */
1459 argtypes
[argcount
] = builtin_type_void
; /* List terminator */
1463 argtypes
[argcount
] = NULL
; /* Ellist terminator */
1466 free (demangled_name
);
1468 f
= TYPE_FN_FIELDLIST1 (type
, method_id
);
1470 TYPE_FN_FIELD_PHYSNAME (f
, signature_id
) = mangled_name
;
1472 /* Now update the old "stub" type into a real type. */
1473 mtype
= TYPE_FN_FIELD_TYPE (f
, signature_id
);
1474 TYPE_DOMAIN_TYPE (mtype
) = type
;
1475 TYPE_ARG_TYPES (mtype
) = argtypes
;
1476 TYPE_FLAGS (mtype
) &= ~TYPE_FLAG_STUB
;
1477 TYPE_FN_FIELD_STUB (f
, signature_id
) = 0;
1480 const struct cplus_struct_type cplus_struct_default
;
1483 allocate_cplus_struct_type (type
)
1486 if (!HAVE_CPLUS_STRUCT (type
))
1488 TYPE_CPLUS_SPECIFIC (type
) = (struct cplus_struct_type
*)
1489 TYPE_ALLOC (type
, sizeof (struct cplus_struct_type
));
1490 *(TYPE_CPLUS_SPECIFIC(type
)) = cplus_struct_default
;
1494 /* Helper function to initialize the standard scalar types.
1496 If NAME is non-NULL and OBJFILE is non-NULL, then we make a copy
1497 of the string pointed to by name in the type_obstack for that objfile,
1498 and initialize the type name to that copy. There are places (mipsread.c
1499 in particular, where init_type is called with a NULL value for NAME). */
1502 init_type (code
, length
, flags
, name
, objfile
)
1503 enum type_code code
;
1507 struct objfile
*objfile
;
1509 register struct type
*type
;
1511 type
= alloc_type (objfile
);
1512 TYPE_CODE (type
) = code
;
1513 TYPE_LENGTH (type
) = length
;
1514 TYPE_FLAGS (type
) |= flags
;
1515 if ((name
!= NULL
) && (objfile
!= NULL
))
1518 obsavestring (name
, strlen (name
), &objfile
-> type_obstack
);
1522 TYPE_NAME (type
) = name
;
1527 if (code
== TYPE_CODE_STRUCT
|| code
== TYPE_CODE_UNION
)
1529 INIT_CPLUS_SPECIFIC (type
);
1534 /* Look up a fundamental type for the specified objfile.
1535 May need to construct such a type if this is the first use.
1537 Some object file formats (ELF, COFF, etc) do not define fundamental
1538 types such as "int" or "double". Others (stabs for example), do
1539 define fundamental types.
1541 For the formats which don't provide fundamental types, gdb can create
1542 such types, using defaults reasonable for the current language and
1543 the current target machine.
1545 NOTE: This routine is obsolescent. Each debugging format reader
1546 should manage it's own fundamental types, either creating them from
1547 suitable defaults or reading them from the debugging information,
1548 whichever is appropriate. The DWARF reader has already been
1549 fixed to do this. Once the other readers are fixed, this routine
1550 will go away. Also note that fundamental types should be managed
1551 on a compilation unit basis in a multi-language environment, not
1552 on a linkage unit basis as is done here. */
1556 lookup_fundamental_type (objfile
, typeid)
1557 struct objfile
*objfile
;
1560 register struct type
**typep
;
1561 register int nbytes
;
1563 if (typeid < 0 || typeid >= FT_NUM_MEMBERS
)
1565 error ("internal error - invalid fundamental type id %d", typeid);
1568 /* If this is the first time we need a fundamental type for this objfile
1569 then we need to initialize the vector of type pointers. */
1571 if (objfile
-> fundamental_types
== NULL
)
1573 nbytes
= FT_NUM_MEMBERS
* sizeof (struct type
*);
1574 objfile
-> fundamental_types
= (struct type
**)
1575 obstack_alloc (&objfile
-> type_obstack
, nbytes
);
1576 memset ((char *) objfile
-> fundamental_types
, 0, nbytes
);
1577 OBJSTAT (objfile
, n_types
+= FT_NUM_MEMBERS
);
1580 /* Look for this particular type in the fundamental type vector. If one is
1581 not found, create and install one appropriate for the current language. */
1583 typep
= objfile
-> fundamental_types
+ typeid;
1586 *typep
= create_fundamental_type (objfile
, typeid);
1596 /* FIXME: Should we return true for references as well as pointers? */
1600 && TYPE_CODE (t
) == TYPE_CODE_PTR
1601 && TYPE_CODE (TYPE_TARGET_TYPE (t
)) != TYPE_CODE_VOID
);
1604 /* Chill varying string and arrays are represented as follows:
1606 struct { int __var_length; ELEMENT_TYPE[MAX_SIZE] __var_data};
1608 Return true if TYPE is such a Chill varying type. */
1611 chill_varying_type (type
)
1614 if (TYPE_CODE (type
) != TYPE_CODE_STRUCT
1615 || TYPE_NFIELDS (type
) != 2
1616 || strcmp (TYPE_FIELD_NAME (type
, 0), "__var_length") != 0)
1621 /* Check whether BASE is an ancestor or base class or DCLASS
1622 Return 1 if so, and 0 if not.
1623 Note: callers may want to check for identity of the types before
1624 calling this function -- identical types are considered to satisfy
1625 the ancestor relationship even if they're identical */
1628 is_ancestor (base
, dclass
)
1630 struct type
* dclass
;
1634 CHECK_TYPEDEF (base
);
1635 CHECK_TYPEDEF (dclass
);
1640 for (i
= 0; i
< TYPE_N_BASECLASSES (dclass
); i
++)
1641 if (is_ancestor (base
, TYPE_BASECLASS (dclass
, i
)))
1649 /* See whether DCLASS has a virtual table. This routine is aimed at
1650 the HP/Taligent ANSI C++ runtime model, and may not work with other
1651 runtime models. Return 1 => Yes, 0 => No. */
1655 struct type
* dclass
;
1657 /* In the HP ANSI C++ runtime model, a class has a vtable only if it
1658 has virtual functions or virtual bases. */
1662 if (TYPE_CODE(dclass
) != TYPE_CODE_CLASS
)
1665 /* First check for the presence of virtual bases */
1666 if (TYPE_FIELD_VIRTUAL_BITS(dclass
))
1667 for (i
=0; i
< TYPE_N_BASECLASSES(dclass
); i
++)
1668 if (B_TST(TYPE_FIELD_VIRTUAL_BITS(dclass
), i
))
1671 /* Next check for virtual functions */
1672 if (TYPE_FN_FIELDLISTS(dclass
))
1673 for (i
=0; i
< TYPE_NFN_FIELDS(dclass
); i
++)
1674 if (TYPE_FN_FIELD_VIRTUAL_P(TYPE_FN_FIELDLIST1(dclass
, i
), 0))
1677 /* Recurse on non-virtual bases to see if any of them needs a vtable */
1678 if (TYPE_FIELD_VIRTUAL_BITS(dclass
))
1679 for (i
=0; i
< TYPE_N_BASECLASSES(dclass
); i
++)
1680 if ((!B_TST (TYPE_FIELD_VIRTUAL_BITS(dclass
), i
)) &&
1681 (has_vtable (TYPE_FIELD_TYPE(dclass
, i
))))
1684 /* Well, maybe we don't need a virtual table */
1688 /* Return a pointer to the "primary base class" of DCLASS.
1690 A NULL return indicates that DCLASS has no primary base, or that it
1691 couldn't be found (insufficient information).
1693 This routine is aimed at the HP/Taligent ANSI C++ runtime model,
1694 and may not work with other runtime models. */
1697 primary_base_class (dclass
)
1698 struct type
* dclass
;
1700 /* In HP ANSI C++'s runtime model, a "primary base class" of a class
1701 is the first directly inherited, non-virtual base class that
1702 requires a virtual table */
1706 if (TYPE_CODE(dclass
) != TYPE_CODE_CLASS
)
1709 for (i
=0; i
< TYPE_N_BASECLASSES(dclass
); i
++)
1710 if (!TYPE_FIELD_VIRTUAL(dclass
, i
) &&
1711 has_vtable(TYPE_FIELD_TYPE(dclass
, i
)))
1712 return TYPE_FIELD_TYPE(dclass
, i
);
1717 /* Global manipulated by virtual_base_list[_aux]() */
1719 static struct vbase
* current_vbase_list
= NULL
;
1721 /* Return a pointer to a null-terminated list of struct vbase
1722 items. The vbasetype pointer of each item in the list points to the
1723 type information for a virtual base of the argument DCLASS.
1725 Helper function for virtual_base_list().
1726 Note: the list goes backward, right-to-left. virtual_base_list()
1727 copies the items out in reverse order. */
1730 virtual_base_list_aux (dclass
)
1731 struct type
* dclass
;
1733 struct vbase
* tmp_vbase
;
1736 if (TYPE_CODE(dclass
) != TYPE_CODE_CLASS
)
1739 for (i
= 0; i
< TYPE_N_BASECLASSES (dclass
); i
++)
1741 /* Recurse on this ancestor, first */
1742 virtual_base_list_aux(TYPE_FIELD_TYPE(dclass
, i
));
1744 /* If this current base is itself virtual, add it to the list */
1745 if (BASETYPE_VIA_VIRTUAL(dclass
, i
))
1747 struct type
* basetype
= TYPE_FIELD_TYPE (dclass
, i
);
1749 /* Check if base already recorded */
1750 tmp_vbase
= current_vbase_list
;
1753 if (tmp_vbase
->vbasetype
== basetype
)
1754 break; /* found it */
1755 tmp_vbase
= tmp_vbase
->next
;
1758 if (!tmp_vbase
) /* normal exit from loop */
1760 /* Allocate new item for this virtual base */
1761 tmp_vbase
= (struct vbase
*) xmalloc (sizeof (struct vbase
));
1763 /* Stick it on at the end of the list */
1764 tmp_vbase
->vbasetype
= basetype
;
1765 tmp_vbase
->next
= current_vbase_list
;
1766 current_vbase_list
= tmp_vbase
;
1769 } /* for loop over bases */
1773 /* Compute the list of virtual bases in the right order. Virtual
1774 bases are laid out in the object's memory area in order of their
1775 occurrence in a depth-first, left-to-right search through the
1778 Argument DCLASS is the type whose virtual bases are required.
1779 Return value is the address of a null-terminated array of pointers
1780 to struct type items.
1782 This routine is aimed at the HP/Taligent ANSI C++ runtime model,
1783 and may not work with other runtime models.
1785 This routine merely hands off the argument to virtual_base_list_aux()
1786 and then copies the result into an array to save space. */
1789 virtual_base_list (dclass
)
1790 struct type
* dclass
;
1792 register struct vbase
* tmp_vbase
;
1793 register struct vbase
* tmp_vbase_2
;
1796 struct type
** vbase_array
;
1798 current_vbase_list
= NULL
;
1799 virtual_base_list_aux(dclass
);
1801 for (i
=0, tmp_vbase
= current_vbase_list
; tmp_vbase
!= NULL
; i
++, tmp_vbase
= tmp_vbase
->next
)
1806 vbase_array
= (struct type
**) xmalloc((count
+ 1) * sizeof (struct type
*));
1808 for (i
=count
-1, tmp_vbase
= current_vbase_list
; i
>= 0; i
--, tmp_vbase
= tmp_vbase
->next
)
1809 vbase_array
[i
] = tmp_vbase
->vbasetype
;
1811 /* Get rid of constructed chain */
1812 tmp_vbase_2
= tmp_vbase
= current_vbase_list
;
1815 tmp_vbase
= tmp_vbase
->next
;
1817 tmp_vbase_2
= tmp_vbase
;
1820 vbase_array
[count
] = NULL
;
1824 /* Return the length of the virtual base list of the type DCLASS. */
1827 virtual_base_list_length (dclass
)
1828 struct type
* dclass
;
1831 register struct vbase
* tmp_vbase
;
1833 current_vbase_list
= NULL
;
1834 virtual_base_list_aux(dclass
);
1836 for (i
=0, tmp_vbase
= current_vbase_list
; tmp_vbase
!= NULL
; i
++, tmp_vbase
= tmp_vbase
->next
)
1841 /* Return the number of elements of the virtual base list of the type
1842 DCLASS, ignoring those appearing in the primary base (and its
1843 primary base, recursively). */
1846 virtual_base_list_length_skip_primaries (dclass
)
1847 struct type
* dclass
;
1850 register struct vbase
* tmp_vbase
;
1851 struct type
* primary
;
1853 primary
= TYPE_RUNTIME_PTR (dclass
) ? TYPE_PRIMARY_BASE (dclass
) : NULL
;
1856 return virtual_base_list_length (dclass
);
1858 current_vbase_list
= NULL
;
1859 virtual_base_list_aux(dclass
);
1861 for (i
=0, tmp_vbase
= current_vbase_list
; tmp_vbase
!= NULL
; tmp_vbase
= tmp_vbase
->next
)
1863 if (virtual_base_index (tmp_vbase
->vbasetype
, primary
) >= 0)
1871 /* Return the index (position) of type BASE, which is a virtual base
1872 class of DCLASS, in the latter's virtual base list. A return of -1
1873 indicates "not found" or a problem. */
1876 virtual_base_index(base
, dclass
)
1878 struct type
* dclass
;
1880 register struct type
* vbase
;
1883 if ((TYPE_CODE(dclass
) != TYPE_CODE_CLASS
) ||
1884 (TYPE_CODE(base
) != TYPE_CODE_CLASS
))
1888 vbase
= TYPE_VIRTUAL_BASE_LIST(dclass
)[0];
1893 vbase
= TYPE_VIRTUAL_BASE_LIST(dclass
)[++i
];
1896 return vbase
? i
: -1;
1901 /* Return the index (position) of type BASE, which is a virtual base
1902 class of DCLASS, in the latter's virtual base list. Skip over all
1903 bases that may appear in the virtual base list of the primary base
1904 class of DCLASS (recursively). A return of -1 indicates "not
1905 found" or a problem. */
1908 virtual_base_index_skip_primaries(base
, dclass
)
1910 struct type
* dclass
;
1912 register struct type
* vbase
;
1914 struct type
* primary
;
1916 if ((TYPE_CODE(dclass
) != TYPE_CODE_CLASS
) ||
1917 (TYPE_CODE(base
) != TYPE_CODE_CLASS
))
1920 primary
= TYPE_RUNTIME_PTR(dclass
) ? TYPE_PRIMARY_BASE(dclass
) : NULL
;
1924 vbase
= TYPE_VIRTUAL_BASE_LIST(dclass
)[0];
1927 if (!primary
|| (virtual_base_index_skip_primaries(vbase
, primary
) < 0))
1931 vbase
= TYPE_VIRTUAL_BASE_LIST(dclass
)[++i
];
1934 return vbase
? j
: -1;
1937 /* Return position of a derived class DCLASS in the list of
1938 * primary bases starting with the remotest ancestor.
1939 * Position returned is 0-based. */
1942 class_index_in_primary_list (dclass
)
1943 struct type
* dclass
;
1945 struct type
* pbc
; /* primary base class */
1947 /* Simply recurse on primary base */
1948 pbc
= TYPE_PRIMARY_BASE (dclass
);
1950 return 1 + class_index_in_primary_list (pbc
);
1955 /* Return a count of the number of virtual functions a type has.
1956 * This includes all the virtual functions it inherits from its
1960 /* pai: FIXME This doesn't do the right thing: count redefined virtual
1961 * functions only once (latest redefinition)
1965 count_virtual_fns (dclass
)
1966 struct type
* dclass
;
1968 int base
; /* index for base classes */
1969 int fn
, oi
; /* function and overloaded instance indices */
1971 int vfuncs
; /* count to return */
1973 /* recurse on bases that can share virtual table */
1974 struct type
* pbc
= primary_base_class (dclass
);
1976 vfuncs
= count_virtual_fns (pbc
);
1978 for (fn
= 0; fn
< TYPE_NFN_FIELDS (dclass
); fn
++)
1979 for (oi
= 0; oi
< TYPE_FN_FIELDLIST_LENGTH (dclass
, fn
); oi
++)
1980 if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (dclass
, fn
), oi
))
1988 /* Functions for overload resolution begin here */
1990 /* Compare two badness vectors A and B and return the result.
1991 * 0 => A and B are identical
1992 * 1 => A and B are incomparable
1993 * 2 => A is better than B
1994 * 3 => A is worse than B */
1997 compare_badness (a
, b
)
1998 struct badness_vector
* a
;
1999 struct badness_vector
* b
;
2003 short found_pos
= 0; /* any positives in c? */
2004 short found_neg
= 0; /* any negatives in c? */
2006 /* differing lengths => incomparable */
2007 if (a
->length
!= b
->length
)
2010 /* Subtract b from a */
2011 for (i
=0; i
< a
->length
; i
++)
2013 tmp
= a
->rank
[i
] - b
->rank
[i
];
2023 return 1; /* incomparable */
2025 return 3; /* A > B */
2027 else /* no positives */
2030 return 2; /* A < B */
2032 return 0; /* A == B */
2036 /* Rank a function by comparing its parameter types (PARMS, length NPARMS),
2037 * to the types of an argument list (ARGS, length NARGS).
2038 * Return a pointer to a badness vector. This has NARGS + 1 entries. */
2040 struct badness_vector
*
2041 rank_function (parms
, nparms
, args
, nargs
)
2042 struct type
** parms
;
2044 struct type
** args
;
2048 struct badness_vector
* bv
;
2049 int min_len
= nparms
< nargs
? nparms
: nargs
;
2051 bv
= xmalloc (sizeof (struct badness_vector
));
2052 bv
->length
= nargs
+ 1; /* add 1 for the length-match rank */
2053 bv
->rank
= xmalloc ((nargs
+ 1) * sizeof (int));
2055 /* First compare the lengths of the supplied lists.
2056 * If there is a mismatch, set it to a high value. */
2058 /* pai/1997-06-03 FIXME: when we have debug info about default
2059 * arguments and ellipsis parameter lists, we should consider those
2060 * and rank the length-match more finely. */
2062 LENGTH_MATCH (bv
) = (nargs
!= nparms
) ? LENGTH_MISMATCH_BADNESS
: 0;
2064 /* Now rank all the parameters of the candidate function */
2065 for (i
=1; i
<= min_len
; i
++)
2066 bv
->rank
[i
] = rank_one_type (parms
[i
-1], args
[i
-1]);
2068 /* If more arguments than parameters, add dummy entries */
2069 for (i
= min_len
+1; i
<= nargs
; i
++)
2070 bv
->rank
[i
] = TOO_FEW_PARAMS_BADNESS
;
2075 /* Compare one type (PARM) for compatibility with another (ARG).
2076 * PARM is intended to be the parameter type of a function; and
2077 * ARG is the supplied argument's type. This function tests if
2078 * the latter can be converted to the former.
2080 * Return 0 if they are identical types;
2081 * Otherwise, return an integer which corresponds to how compatible
2082 * PARM is to ARG. The higher the return value, the worse the match.
2083 * Generally the "bad" conversions are all uniformly assigned a 100 */
2086 rank_one_type (parm
, arg
)
2090 /* Identical type pointers */
2091 /* However, this still doesn't catch all cases of same type for arg
2092 * and param. The reason is that builtin types are different from
2093 * the same ones constructed from the object. */
2097 /* Resolve typedefs */
2098 if (TYPE_CODE (parm
) == TYPE_CODE_TYPEDEF
)
2099 parm
= check_typedef (parm
);
2100 if (TYPE_CODE (arg
) == TYPE_CODE_TYPEDEF
)
2101 arg
= check_typedef (arg
);
2103 /* Check if identical after resolving typedefs */
2108 /* Debugging only */
2109 printf("------ Arg is %s [%d], parm is %s [%d]\n",
2110 TYPE_NAME (arg
), TYPE_CODE (arg
), TYPE_NAME (parm
), TYPE_CODE (parm
));
2113 /* x -> y means arg of type x being supplied for parameter of type y */
2115 switch (TYPE_CODE (parm
))
2118 switch (TYPE_CODE (arg
))
2121 if (TYPE_CODE (TYPE_TARGET_TYPE (parm
)) == TYPE_CODE_VOID
)
2122 return VOID_PTR_CONVERSION_BADNESS
;
2124 return rank_one_type (TYPE_TARGET_TYPE (parm
), TYPE_TARGET_TYPE (arg
));
2125 case TYPE_CODE_ARRAY
:
2126 return rank_one_type (TYPE_TARGET_TYPE (parm
), TYPE_TARGET_TYPE (arg
));
2127 case TYPE_CODE_FUNC
:
2128 return rank_one_type (TYPE_TARGET_TYPE (parm
), arg
);
2130 case TYPE_CODE_ENUM
:
2131 case TYPE_CODE_CHAR
:
2132 case TYPE_CODE_RANGE
:
2133 case TYPE_CODE_BOOL
:
2134 return POINTER_CONVERSION_BADNESS
;
2136 return INCOMPATIBLE_TYPE_BADNESS
;
2138 case TYPE_CODE_ARRAY
:
2139 switch (TYPE_CODE (arg
))
2142 case TYPE_CODE_ARRAY
:
2143 return rank_one_type (TYPE_TARGET_TYPE (parm
), TYPE_TARGET_TYPE (arg
));
2145 return INCOMPATIBLE_TYPE_BADNESS
;
2147 case TYPE_CODE_FUNC
:
2148 switch (TYPE_CODE (arg
))
2150 case TYPE_CODE_PTR
: /* funcptr -> func */
2151 return rank_one_type (parm
, TYPE_TARGET_TYPE (arg
));
2153 return INCOMPATIBLE_TYPE_BADNESS
;
2156 switch (TYPE_CODE (arg
))
2159 if (TYPE_LENGTH (arg
) == TYPE_LENGTH (parm
))
2161 /* Deal with signed, unsigned, and plain chars and
2162 signed and unsigned ints */
2163 if (TYPE_NOSIGN (parm
))
2165 /* This case only for character types */
2166 if (TYPE_NOSIGN (arg
)) /* plain char -> plain char */
2169 return INTEGER_COERCION_BADNESS
; /* signed/unsigned char -> plain char */
2171 else if (TYPE_UNSIGNED (parm
))
2173 if (TYPE_UNSIGNED (arg
))
2175 if (!strcmp (TYPE_NAME (parm
), TYPE_NAME (arg
)))
2176 return 0; /* unsigned int -> unsigned int, or unsigned long -> unsigned long */
2177 else if (!strcmp (TYPE_NAME (arg
), "int") && !strcmp (TYPE_NAME (parm
), "long"))
2178 return INTEGER_PROMOTION_BADNESS
; /* unsigned int -> unsigned long */
2180 return INTEGER_COERCION_BADNESS
; /* unsigned long -> unsigned int */
2184 if (!strcmp (TYPE_NAME (arg
), "long") && !strcmp (TYPE_NAME (parm
), "int"))
2185 return INTEGER_COERCION_BADNESS
; /* signed long -> unsigned int */
2187 return INTEGER_CONVERSION_BADNESS
; /* signed int/long -> unsigned int/long */
2190 else if (!TYPE_NOSIGN (arg
) && !TYPE_UNSIGNED (arg
))
2192 if (!strcmp (TYPE_NAME (parm
), TYPE_NAME (arg
)))
2194 else if (!strcmp (TYPE_NAME (arg
), "int") && !strcmp (TYPE_NAME (parm
), "long"))
2195 return INTEGER_PROMOTION_BADNESS
;
2197 return INTEGER_COERCION_BADNESS
;
2200 return INTEGER_COERCION_BADNESS
;
2202 else if (TYPE_LENGTH (arg
) < TYPE_LENGTH (parm
))
2203 return INTEGER_PROMOTION_BADNESS
;
2205 return INTEGER_COERCION_BADNESS
;
2206 case TYPE_CODE_ENUM
:
2207 case TYPE_CODE_CHAR
:
2208 case TYPE_CODE_RANGE
:
2209 case TYPE_CODE_BOOL
:
2210 return INTEGER_PROMOTION_BADNESS
;
2212 return INT_FLOAT_CONVERSION_BADNESS
;
2214 return NS_POINTER_CONVERSION_BADNESS
;
2216 return INCOMPATIBLE_TYPE_BADNESS
;
2219 case TYPE_CODE_ENUM
:
2220 switch (TYPE_CODE (arg
))
2223 case TYPE_CODE_CHAR
:
2224 case TYPE_CODE_RANGE
:
2225 case TYPE_CODE_BOOL
:
2226 case TYPE_CODE_ENUM
:
2227 return INTEGER_COERCION_BADNESS
;
2229 return INT_FLOAT_CONVERSION_BADNESS
;
2231 return INCOMPATIBLE_TYPE_BADNESS
;
2234 case TYPE_CODE_CHAR
:
2235 switch (TYPE_CODE (arg
))
2237 case TYPE_CODE_RANGE
:
2238 case TYPE_CODE_BOOL
:
2239 case TYPE_CODE_ENUM
:
2240 return INTEGER_COERCION_BADNESS
;
2242 return INT_FLOAT_CONVERSION_BADNESS
;
2244 if (TYPE_LENGTH (arg
) > TYPE_LENGTH (parm
))
2245 return INTEGER_COERCION_BADNESS
;
2246 else if (TYPE_LENGTH (arg
) < TYPE_LENGTH (parm
))
2247 return INTEGER_PROMOTION_BADNESS
;
2248 /* >>> !! else fall through !! <<< */
2249 case TYPE_CODE_CHAR
:
2250 /* Deal with signed, unsigned, and plain chars for C++
2251 and with int cases falling through from previous case */
2252 if (TYPE_NOSIGN (parm
))
2254 if (TYPE_NOSIGN (arg
))
2257 return INTEGER_COERCION_BADNESS
;
2259 else if (TYPE_UNSIGNED (parm
))
2261 if (TYPE_UNSIGNED (arg
))
2264 return INTEGER_PROMOTION_BADNESS
;
2266 else if (!TYPE_NOSIGN (arg
) && !TYPE_UNSIGNED (arg
))
2269 return INTEGER_COERCION_BADNESS
;
2271 return INCOMPATIBLE_TYPE_BADNESS
;
2274 case TYPE_CODE_RANGE
:
2275 switch (TYPE_CODE (arg
))
2278 case TYPE_CODE_CHAR
:
2279 case TYPE_CODE_RANGE
:
2280 case TYPE_CODE_BOOL
:
2281 case TYPE_CODE_ENUM
:
2282 return INTEGER_COERCION_BADNESS
;
2284 return INT_FLOAT_CONVERSION_BADNESS
;
2286 return INCOMPATIBLE_TYPE_BADNESS
;
2289 case TYPE_CODE_BOOL
:
2290 switch (TYPE_CODE (arg
))
2293 case TYPE_CODE_CHAR
:
2294 case TYPE_CODE_RANGE
:
2295 case TYPE_CODE_ENUM
:
2298 return BOOLEAN_CONVERSION_BADNESS
;
2299 case TYPE_CODE_BOOL
:
2302 return INCOMPATIBLE_TYPE_BADNESS
;
2306 switch (TYPE_CODE (arg
))
2309 if (TYPE_LENGTH (arg
) < TYPE_LENGTH (parm
))
2310 return FLOAT_PROMOTION_BADNESS
;
2311 else if (TYPE_LENGTH (arg
) == TYPE_LENGTH (parm
))
2314 return FLOAT_CONVERSION_BADNESS
;
2316 case TYPE_CODE_BOOL
:
2317 case TYPE_CODE_ENUM
:
2318 case TYPE_CODE_RANGE
:
2319 case TYPE_CODE_CHAR
:
2320 return INT_FLOAT_CONVERSION_BADNESS
;
2322 return INCOMPATIBLE_TYPE_BADNESS
;
2325 case TYPE_CODE_COMPLEX
:
2326 switch (TYPE_CODE (arg
))
2327 { /* Strictly not needed for C++, but... */
2329 return FLOAT_PROMOTION_BADNESS
;
2330 case TYPE_CODE_COMPLEX
:
2333 return INCOMPATIBLE_TYPE_BADNESS
;
2336 case TYPE_CODE_STRUCT
:
2337 /* currently same as TYPE_CODE_CLASS */
2338 switch (TYPE_CODE (arg
))
2340 case TYPE_CODE_STRUCT
:
2341 /* Check for derivation */
2342 if (is_ancestor (parm
, arg
))
2343 return BASE_CONVERSION_BADNESS
;
2344 /* else fall through */
2346 return INCOMPATIBLE_TYPE_BADNESS
;
2349 case TYPE_CODE_UNION
:
2350 switch (TYPE_CODE (arg
))
2352 case TYPE_CODE_UNION
:
2354 return INCOMPATIBLE_TYPE_BADNESS
;
2357 case TYPE_CODE_MEMBER
:
2358 switch (TYPE_CODE (arg
))
2361 return INCOMPATIBLE_TYPE_BADNESS
;
2364 case TYPE_CODE_METHOD
:
2365 switch (TYPE_CODE (arg
))
2369 return INCOMPATIBLE_TYPE_BADNESS
;
2373 switch (TYPE_CODE (arg
))
2377 return INCOMPATIBLE_TYPE_BADNESS
;
2382 switch (TYPE_CODE (arg
))
2386 return rank_one_type (TYPE_FIELD_TYPE (parm
, 0), TYPE_FIELD_TYPE (arg
, 0));
2388 return INCOMPATIBLE_TYPE_BADNESS
;
2391 case TYPE_CODE_VOID
:
2393 return INCOMPATIBLE_TYPE_BADNESS
;
2394 } /* switch (TYPE_CODE (arg)) */
2398 /* End of functions for overload resolution */
2401 print_bit_vector (bits
, nbits
)
2407 for (bitno
= 0; bitno
< nbits
; bitno
++)
2409 if ((bitno
% 8) == 0)
2411 puts_filtered (" ");
2413 if (B_TST (bits
, bitno
))
2415 printf_filtered ("1");
2419 printf_filtered ("0");
2424 /* The args list is a strange beast. It is either terminated by a NULL
2425 pointer for varargs functions, or by a pointer to a TYPE_CODE_VOID
2426 type for normal fixed argcount functions. (FIXME someday)
2427 Also note the first arg should be the "this" pointer, we may not want to
2428 include it since we may get into a infinitely recursive situation. */
2431 print_arg_types (args
, spaces
)
2437 while (*args
!= NULL
)
2439 recursive_dump_type (*args
, spaces
+ 2);
2440 if ((*args
++) -> code
== TYPE_CODE_VOID
)
2449 dump_fn_fieldlists (type
, spaces
)
2457 printfi_filtered (spaces
, "fn_fieldlists ");
2458 gdb_print_address (TYPE_FN_FIELDLISTS (type
), gdb_stdout
);
2459 printf_filtered ("\n");
2460 for (method_idx
= 0; method_idx
< TYPE_NFN_FIELDS (type
); method_idx
++)
2462 f
= TYPE_FN_FIELDLIST1 (type
, method_idx
);
2463 printfi_filtered (spaces
+ 2, "[%d] name '%s' (",
2465 TYPE_FN_FIELDLIST_NAME (type
, method_idx
));
2466 gdb_print_address (TYPE_FN_FIELDLIST_NAME (type
, method_idx
),
2468 printf_filtered (") length %d\n",
2469 TYPE_FN_FIELDLIST_LENGTH (type
, method_idx
));
2470 for (overload_idx
= 0;
2471 overload_idx
< TYPE_FN_FIELDLIST_LENGTH (type
, method_idx
);
2474 printfi_filtered (spaces
+ 4, "[%d] physname '%s' (",
2476 TYPE_FN_FIELD_PHYSNAME (f
, overload_idx
));
2477 gdb_print_address (TYPE_FN_FIELD_PHYSNAME (f
, overload_idx
),
2479 printf_filtered (")\n");
2480 printfi_filtered (spaces
+ 8, "type ");
2481 gdb_print_address (TYPE_FN_FIELD_TYPE (f
, overload_idx
), gdb_stdout
);
2482 printf_filtered ("\n");
2484 recursive_dump_type (TYPE_FN_FIELD_TYPE (f
, overload_idx
),
2487 printfi_filtered (spaces
+ 8, "args ");
2488 gdb_print_address (TYPE_FN_FIELD_ARGS (f
, overload_idx
), gdb_stdout
);
2489 printf_filtered ("\n");
2491 print_arg_types (TYPE_FN_FIELD_ARGS (f
, overload_idx
), spaces
);
2492 printfi_filtered (spaces
+ 8, "fcontext ");
2493 gdb_print_address (TYPE_FN_FIELD_FCONTEXT (f
, overload_idx
),
2495 printf_filtered ("\n");
2497 printfi_filtered (spaces
+ 8, "is_const %d\n",
2498 TYPE_FN_FIELD_CONST (f
, overload_idx
));
2499 printfi_filtered (spaces
+ 8, "is_volatile %d\n",
2500 TYPE_FN_FIELD_VOLATILE (f
, overload_idx
));
2501 printfi_filtered (spaces
+ 8, "is_private %d\n",
2502 TYPE_FN_FIELD_PRIVATE (f
, overload_idx
));
2503 printfi_filtered (spaces
+ 8, "is_protected %d\n",
2504 TYPE_FN_FIELD_PROTECTED (f
, overload_idx
));
2505 printfi_filtered (spaces
+ 8, "is_stub %d\n",
2506 TYPE_FN_FIELD_STUB (f
, overload_idx
));
2507 printfi_filtered (spaces
+ 8, "voffset %u\n",
2508 TYPE_FN_FIELD_VOFFSET (f
, overload_idx
));
2514 print_cplus_stuff (type
, spaces
)
2518 printfi_filtered (spaces
, "n_baseclasses %d\n",
2519 TYPE_N_BASECLASSES (type
));
2520 printfi_filtered (spaces
, "nfn_fields %d\n",
2521 TYPE_NFN_FIELDS (type
));
2522 printfi_filtered (spaces
, "nfn_fields_total %d\n",
2523 TYPE_NFN_FIELDS_TOTAL (type
));
2524 if (TYPE_N_BASECLASSES (type
) > 0)
2526 printfi_filtered (spaces
, "virtual_field_bits (%d bits at *",
2527 TYPE_N_BASECLASSES (type
));
2528 gdb_print_address (TYPE_FIELD_VIRTUAL_BITS (type
), gdb_stdout
);
2529 printf_filtered (")");
2531 print_bit_vector (TYPE_FIELD_VIRTUAL_BITS (type
),
2532 TYPE_N_BASECLASSES (type
));
2533 puts_filtered ("\n");
2535 if (TYPE_NFIELDS (type
) > 0)
2537 if (TYPE_FIELD_PRIVATE_BITS (type
) != NULL
)
2539 printfi_filtered (spaces
, "private_field_bits (%d bits at *",
2540 TYPE_NFIELDS (type
));
2541 gdb_print_address (TYPE_FIELD_PRIVATE_BITS (type
), gdb_stdout
);
2542 printf_filtered (")");
2543 print_bit_vector (TYPE_FIELD_PRIVATE_BITS (type
),
2544 TYPE_NFIELDS (type
));
2545 puts_filtered ("\n");
2547 if (TYPE_FIELD_PROTECTED_BITS (type
) != NULL
)
2549 printfi_filtered (spaces
, "protected_field_bits (%d bits at *",
2550 TYPE_NFIELDS (type
));
2551 gdb_print_address (TYPE_FIELD_PROTECTED_BITS (type
), gdb_stdout
);
2552 printf_filtered (")");
2553 print_bit_vector (TYPE_FIELD_PROTECTED_BITS (type
),
2554 TYPE_NFIELDS (type
));
2555 puts_filtered ("\n");
2558 if (TYPE_NFN_FIELDS (type
) > 0)
2560 dump_fn_fieldlists (type
, spaces
);
2564 static struct obstack dont_print_type_obstack
;
2567 recursive_dump_type (type
, spaces
)
2574 obstack_begin (&dont_print_type_obstack
, 0);
2576 if (TYPE_NFIELDS (type
) > 0
2577 || (TYPE_CPLUS_SPECIFIC (type
) && TYPE_NFN_FIELDS (type
) > 0))
2579 struct type
**first_dont_print
2580 = (struct type
**)obstack_base (&dont_print_type_obstack
);
2582 int i
= (struct type
**)obstack_next_free (&dont_print_type_obstack
)
2587 if (type
== first_dont_print
[i
])
2589 printfi_filtered (spaces
, "type node ");
2590 gdb_print_address (type
, gdb_stdout
);
2591 printf_filtered (" <same as already seen type>\n");
2596 obstack_ptr_grow (&dont_print_type_obstack
, type
);
2599 printfi_filtered (spaces
, "type node ");
2600 gdb_print_address (type
, gdb_stdout
);
2601 printf_filtered ("\n");
2602 printfi_filtered (spaces
, "name '%s' (",
2603 TYPE_NAME (type
) ? TYPE_NAME (type
) : "<NULL>");
2604 gdb_print_address (TYPE_NAME (type
), gdb_stdout
);
2605 printf_filtered (")\n");
2606 if (TYPE_TAG_NAME (type
) != NULL
)
2608 printfi_filtered (spaces
, "tagname '%s' (",
2609 TYPE_TAG_NAME (type
));
2610 gdb_print_address (TYPE_TAG_NAME (type
), gdb_stdout
);
2611 printf_filtered (")\n");
2613 printfi_filtered (spaces
, "code 0x%x ", TYPE_CODE (type
));
2614 switch (TYPE_CODE (type
))
2616 case TYPE_CODE_UNDEF
:
2617 printf_filtered ("(TYPE_CODE_UNDEF)");
2620 printf_filtered ("(TYPE_CODE_PTR)");
2622 case TYPE_CODE_ARRAY
:
2623 printf_filtered ("(TYPE_CODE_ARRAY)");
2625 case TYPE_CODE_STRUCT
:
2626 printf_filtered ("(TYPE_CODE_STRUCT)");
2628 case TYPE_CODE_UNION
:
2629 printf_filtered ("(TYPE_CODE_UNION)");
2631 case TYPE_CODE_ENUM
:
2632 printf_filtered ("(TYPE_CODE_ENUM)");
2634 case TYPE_CODE_FUNC
:
2635 printf_filtered ("(TYPE_CODE_FUNC)");
2638 printf_filtered ("(TYPE_CODE_INT)");
2641 printf_filtered ("(TYPE_CODE_FLT)");
2643 case TYPE_CODE_VOID
:
2644 printf_filtered ("(TYPE_CODE_VOID)");
2647 printf_filtered ("(TYPE_CODE_SET)");
2649 case TYPE_CODE_RANGE
:
2650 printf_filtered ("(TYPE_CODE_RANGE)");
2652 case TYPE_CODE_STRING
:
2653 printf_filtered ("(TYPE_CODE_STRING)");
2655 case TYPE_CODE_ERROR
:
2656 printf_filtered ("(TYPE_CODE_ERROR)");
2658 case TYPE_CODE_MEMBER
:
2659 printf_filtered ("(TYPE_CODE_MEMBER)");
2661 case TYPE_CODE_METHOD
:
2662 printf_filtered ("(TYPE_CODE_METHOD)");
2665 printf_filtered ("(TYPE_CODE_REF)");
2667 case TYPE_CODE_CHAR
:
2668 printf_filtered ("(TYPE_CODE_CHAR)");
2670 case TYPE_CODE_BOOL
:
2671 printf_filtered ("(TYPE_CODE_BOOL)");
2673 case TYPE_CODE_TYPEDEF
:
2674 printf_filtered ("(TYPE_CODE_TYPEDEF)");
2677 printf_filtered ("(UNKNOWN TYPE CODE)");
2680 puts_filtered ("\n");
2681 printfi_filtered (spaces
, "length %d\n", TYPE_LENGTH (type
));
2682 printfi_filtered (spaces
, "objfile ");
2683 gdb_print_address (TYPE_OBJFILE (type
), gdb_stdout
);
2684 printf_filtered ("\n");
2685 printfi_filtered (spaces
, "target_type ");
2686 gdb_print_address (TYPE_TARGET_TYPE (type
), gdb_stdout
);
2687 printf_filtered ("\n");
2688 if (TYPE_TARGET_TYPE (type
) != NULL
)
2690 recursive_dump_type (TYPE_TARGET_TYPE (type
), spaces
+ 2);
2692 printfi_filtered (spaces
, "pointer_type ");
2693 gdb_print_address (TYPE_POINTER_TYPE (type
), gdb_stdout
);
2694 printf_filtered ("\n");
2695 printfi_filtered (spaces
, "reference_type ");
2696 gdb_print_address (TYPE_REFERENCE_TYPE (type
), gdb_stdout
);
2697 printf_filtered ("\n");
2698 printfi_filtered (spaces
, "flags 0x%x", TYPE_FLAGS (type
));
2699 if (TYPE_FLAGS (type
) & TYPE_FLAG_UNSIGNED
)
2701 puts_filtered (" TYPE_FLAG_UNSIGNED");
2703 if (TYPE_FLAGS (type
) & TYPE_FLAG_STUB
)
2705 puts_filtered (" TYPE_FLAG_STUB");
2707 puts_filtered ("\n");
2708 printfi_filtered (spaces
, "nfields %d ", TYPE_NFIELDS (type
));
2709 gdb_print_address (TYPE_FIELDS (type
), gdb_stdout
);
2710 puts_filtered ("\n");
2711 for (idx
= 0; idx
< TYPE_NFIELDS (type
); idx
++)
2713 printfi_filtered (spaces
+ 2,
2714 "[%d] bitpos %d bitsize %d type ",
2715 idx
, TYPE_FIELD_BITPOS (type
, idx
),
2716 TYPE_FIELD_BITSIZE (type
, idx
));
2717 gdb_print_address (TYPE_FIELD_TYPE (type
, idx
), gdb_stdout
);
2718 printf_filtered (" name '%s' (",
2719 TYPE_FIELD_NAME (type
, idx
) != NULL
2720 ? TYPE_FIELD_NAME (type
, idx
)
2722 gdb_print_address (TYPE_FIELD_NAME (type
, idx
), gdb_stdout
);
2723 printf_filtered (")\n");
2724 if (TYPE_FIELD_TYPE (type
, idx
) != NULL
)
2726 recursive_dump_type (TYPE_FIELD_TYPE (type
, idx
), spaces
+ 4);
2729 printfi_filtered (spaces
, "vptr_basetype ");
2730 gdb_print_address (TYPE_VPTR_BASETYPE (type
), gdb_stdout
);
2731 puts_filtered ("\n");
2732 if (TYPE_VPTR_BASETYPE (type
) != NULL
)
2734 recursive_dump_type (TYPE_VPTR_BASETYPE (type
), spaces
+ 2);
2736 printfi_filtered (spaces
, "vptr_fieldno %d\n", TYPE_VPTR_FIELDNO (type
));
2737 switch (TYPE_CODE (type
))
2739 case TYPE_CODE_METHOD
:
2740 case TYPE_CODE_FUNC
:
2741 printfi_filtered (spaces
, "arg_types ");
2742 gdb_print_address (TYPE_ARG_TYPES (type
), gdb_stdout
);
2743 puts_filtered ("\n");
2744 print_arg_types (TYPE_ARG_TYPES (type
), spaces
);
2747 case TYPE_CODE_STRUCT
:
2748 printfi_filtered (spaces
, "cplus_stuff ");
2749 gdb_print_address (TYPE_CPLUS_SPECIFIC (type
), gdb_stdout
);
2750 puts_filtered ("\n");
2751 print_cplus_stuff (type
, spaces
);
2755 /* We have to pick one of the union types to be able print and test
2756 the value. Pick cplus_struct_type, even though we know it isn't
2757 any particular one. */
2758 printfi_filtered (spaces
, "type_specific ");
2759 gdb_print_address (TYPE_CPLUS_SPECIFIC (type
), gdb_stdout
);
2760 if (TYPE_CPLUS_SPECIFIC (type
) != NULL
)
2762 printf_filtered (" (unknown data form)");
2764 printf_filtered ("\n");
2769 obstack_free (&dont_print_type_obstack
, NULL
);
2772 static void build_gdbtypes
PARAMS ((void));
2777 init_type (TYPE_CODE_VOID
, 1,
2779 "void", (struct objfile
*) NULL
);
2781 init_type (TYPE_CODE_INT
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
2783 "char", (struct objfile
*) NULL
);
2784 TYPE_FLAGS (builtin_type_char
) |= TYPE_FLAG_NOSIGN
;
2785 builtin_type_true_char
=
2786 init_type (TYPE_CODE_CHAR
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
2788 "true character", (struct objfile
*) NULL
);
2789 builtin_type_signed_char
=
2790 init_type (TYPE_CODE_INT
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
2792 "signed char", (struct objfile
*) NULL
);
2793 builtin_type_unsigned_char
=
2794 init_type (TYPE_CODE_INT
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
2796 "unsigned char", (struct objfile
*) NULL
);
2797 builtin_type_short
=
2798 init_type (TYPE_CODE_INT
, TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
2800 "short", (struct objfile
*) NULL
);
2801 builtin_type_unsigned_short
=
2802 init_type (TYPE_CODE_INT
, TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
2804 "unsigned short", (struct objfile
*) NULL
);
2806 init_type (TYPE_CODE_INT
, TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
2808 "int", (struct objfile
*) NULL
);
2809 builtin_type_unsigned_int
=
2810 init_type (TYPE_CODE_INT
, TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
2812 "unsigned int", (struct objfile
*) NULL
);
2814 init_type (TYPE_CODE_INT
, TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
2816 "long", (struct objfile
*) NULL
);
2817 builtin_type_unsigned_long
=
2818 init_type (TYPE_CODE_INT
, TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
2820 "unsigned long", (struct objfile
*) NULL
);
2821 builtin_type_long_long
=
2822 init_type (TYPE_CODE_INT
, TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
2824 "long long", (struct objfile
*) NULL
);
2825 builtin_type_unsigned_long_long
=
2826 init_type (TYPE_CODE_INT
, TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
2828 "unsigned long long", (struct objfile
*) NULL
);
2829 builtin_type_float
=
2830 init_type (TYPE_CODE_FLT
, TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
2832 "float", (struct objfile
*) NULL
);
2833 builtin_type_double
=
2834 init_type (TYPE_CODE_FLT
, TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
2836 "double", (struct objfile
*) NULL
);
2837 builtin_type_long_double
=
2838 init_type (TYPE_CODE_FLT
, TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
2840 "long double", (struct objfile
*) NULL
);
2841 builtin_type_complex
=
2842 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
2844 "complex", (struct objfile
*) NULL
);
2845 TYPE_TARGET_TYPE (builtin_type_complex
) = builtin_type_float
;
2846 builtin_type_double_complex
=
2847 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
2849 "double complex", (struct objfile
*) NULL
);
2850 TYPE_TARGET_TYPE (builtin_type_double_complex
) = builtin_type_double
;
2851 builtin_type_string
=
2852 init_type (TYPE_CODE_STRING
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
2854 "string", (struct objfile
*) NULL
);
2856 init_type (TYPE_CODE_INT
, 8 / 8,
2858 "int8_t", (struct objfile
*) NULL
);
2859 builtin_type_uint8
=
2860 init_type (TYPE_CODE_INT
, 8 / 8,
2862 "uint8_t", (struct objfile
*) NULL
);
2863 builtin_type_int16
=
2864 init_type (TYPE_CODE_INT
, 16 / 8,
2866 "int16_t", (struct objfile
*) NULL
);
2867 builtin_type_uint16
=
2868 init_type (TYPE_CODE_INT
, 16 / 8,
2870 "uint16_t", (struct objfile
*) NULL
);
2871 builtin_type_int32
=
2872 init_type (TYPE_CODE_INT
, 32 / 8,
2874 "int32_t", (struct objfile
*) NULL
);
2875 builtin_type_uint32
=
2876 init_type (TYPE_CODE_INT
, 32 / 8,
2878 "uint32_t", (struct objfile
*) NULL
);
2879 builtin_type_int64
=
2880 init_type (TYPE_CODE_INT
, 64 / 8,
2882 "int64_t", (struct objfile
*) NULL
);
2883 builtin_type_uint64
=
2884 init_type (TYPE_CODE_INT
, 64 / 8,
2886 "uint64_t", (struct objfile
*) NULL
);
2888 init_type (TYPE_CODE_BOOL
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
2890 "bool", (struct objfile
*) NULL
);
2892 /* Add user knob for controlling resolution of opaque types */
2894 (add_set_cmd ("opaque-type-resolution", class_support
, var_boolean
, (char *)&opaque_type_resolution
,
2895 "Set resolution of opaque struct/class/union types (if set before loading symbols).",
2898 opaque_type_resolution
= 1;
2903 extern void _initialize_gdbtypes
PARAMS ((void));
2905 _initialize_gdbtypes ()
2909 /* FIXME - For the moment, handle types by swapping them in and out.
2910 Should be using the per-architecture data-pointer and a large
2912 register_gdbarch_swap (&builtin_type_void
, sizeof (struct type
*), NULL
);
2913 register_gdbarch_swap (&builtin_type_char
, sizeof (struct type
*), NULL
);
2914 register_gdbarch_swap (&builtin_type_short
, sizeof (struct type
*), NULL
);
2915 register_gdbarch_swap (&builtin_type_int
, sizeof (struct type
*), NULL
);
2916 register_gdbarch_swap (&builtin_type_long
, sizeof (struct type
*), NULL
);
2917 register_gdbarch_swap (&builtin_type_long_long
, sizeof (struct type
*), NULL
);
2918 register_gdbarch_swap (&builtin_type_signed_char
, sizeof (struct type
*), NULL
);
2919 register_gdbarch_swap (&builtin_type_unsigned_char
, sizeof (struct type
*), NULL
);
2920 register_gdbarch_swap (&builtin_type_unsigned_short
, sizeof (struct type
*), NULL
);
2921 register_gdbarch_swap (&builtin_type_unsigned_int
, sizeof (struct type
*), NULL
);
2922 register_gdbarch_swap (&builtin_type_unsigned_long
, sizeof (struct type
*), NULL
);
2923 register_gdbarch_swap (&builtin_type_unsigned_long_long
, sizeof (struct type
*), NULL
);
2924 register_gdbarch_swap (&builtin_type_float
, sizeof (struct type
*), NULL
);
2925 register_gdbarch_swap (&builtin_type_double
, sizeof (struct type
*), NULL
);
2926 register_gdbarch_swap (&builtin_type_long_double
, sizeof (struct type
*), NULL
);
2927 register_gdbarch_swap (&builtin_type_complex
, sizeof (struct type
*), NULL
);
2928 register_gdbarch_swap (&builtin_type_double_complex
, sizeof (struct type
*), NULL
);
2929 register_gdbarch_swap (&builtin_type_string
, sizeof (struct type
*), NULL
);
2930 register_gdbarch_swap (&builtin_type_int8
, sizeof (struct type
*), NULL
);
2931 register_gdbarch_swap (&builtin_type_uint8
, sizeof (struct type
*), NULL
);
2932 register_gdbarch_swap (&builtin_type_int16
, sizeof (struct type
*), NULL
);
2933 register_gdbarch_swap (&builtin_type_uint16
, sizeof (struct type
*), NULL
);
2934 register_gdbarch_swap (&builtin_type_int32
, sizeof (struct type
*), NULL
);
2935 register_gdbarch_swap (&builtin_type_uint32
, sizeof (struct type
*), NULL
);
2936 register_gdbarch_swap (&builtin_type_int64
, sizeof (struct type
*), NULL
);
2937 register_gdbarch_swap (&builtin_type_uint64
, sizeof (struct type
*), NULL
);
2938 register_gdbarch_swap (NULL
, 0, build_gdbtypes
);