* gdb.c++/templates.exp: Source templ-info.exp only if
[deliverable/binutils-gdb.git] / gdb / gdbtypes.c
1 /* Support routines for manipulating internal types for GDB.
2 Copyright (C) 1992 Free Software Foundation, Inc.
3 Contributed by Cygnus Support, using pieces from other GDB modules.
4
5 This file is part of GDB.
6
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.
11
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.
16
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
20
21 #include "defs.h"
22 #include <string.h>
23 #include "bfd.h"
24 #include "symtab.h"
25 #include "symfile.h"
26 #include "objfiles.h"
27 #include "gdbtypes.h"
28 #include "expression.h"
29 #include "language.h"
30 #include "target.h"
31 #include "value.h"
32 #include "demangle.h"
33 #include "complaints.h"
34
35 /* These variables point to the objects
36 representing the predefined C data types. */
37
38 struct type *builtin_type_void;
39 struct type *builtin_type_char;
40 struct type *builtin_type_short;
41 struct type *builtin_type_int;
42 struct type *builtin_type_long;
43 struct type *builtin_type_long_long;
44 struct type *builtin_type_signed_char;
45 struct type *builtin_type_unsigned_char;
46 struct type *builtin_type_unsigned_short;
47 struct type *builtin_type_unsigned_int;
48 struct type *builtin_type_unsigned_long;
49 struct type *builtin_type_unsigned_long_long;
50 struct type *builtin_type_float;
51 struct type *builtin_type_double;
52 struct type *builtin_type_long_double;
53 struct type *builtin_type_complex;
54 struct type *builtin_type_double_complex;
55 struct type *builtin_type_string;
56
57 /* Alloc a new type structure and fill it with some defaults. If
58 OBJFILE is non-NULL, then allocate the space for the type structure
59 in that objfile's type_obstack. */
60
61 struct type *
62 alloc_type (objfile)
63 struct objfile *objfile;
64 {
65 register struct type *type;
66
67 /* Alloc the structure and start off with all fields zeroed. */
68
69 if (objfile == NULL)
70 {
71 type = (struct type *) xmalloc (sizeof (struct type));
72 }
73 else
74 {
75 type = (struct type *) obstack_alloc (&objfile -> type_obstack,
76 sizeof (struct type));
77 }
78 memset ((char *) type, 0, sizeof (struct type));
79
80 /* Initialize the fields that might not be zero. */
81
82 TYPE_CODE (type) = TYPE_CODE_UNDEF;
83 TYPE_OBJFILE (type) = objfile;
84 TYPE_VPTR_FIELDNO (type) = -1;
85
86 return (type);
87 }
88
89 /* Lookup a pointer to a type TYPE. TYPEPTR, if nonzero, points
90 to a pointer to memory where the pointer type should be stored.
91 If *TYPEPTR is zero, update it to point to the pointer type we return.
92 We allocate new memory if needed. */
93
94 struct type *
95 make_pointer_type (type, typeptr)
96 struct type *type;
97 struct type **typeptr;
98 {
99 register struct type *ntype; /* New type */
100 struct objfile *objfile;
101
102 ntype = TYPE_POINTER_TYPE (type);
103
104 if (ntype)
105 if (typeptr == 0)
106 return ntype; /* Don't care about alloc, and have new type. */
107 else if (*typeptr == 0)
108 {
109 *typeptr = ntype; /* Tracking alloc, and we have new type. */
110 return ntype;
111 }
112
113 if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
114 {
115 ntype = alloc_type (TYPE_OBJFILE (type));
116 if (typeptr)
117 *typeptr = ntype;
118 }
119 else /* We have storage, but need to reset it. */
120 {
121 ntype = *typeptr;
122 objfile = TYPE_OBJFILE (ntype);
123 memset ((char *) ntype, 0, sizeof (struct type));
124 TYPE_OBJFILE (ntype) = objfile;
125 }
126
127 TYPE_TARGET_TYPE (ntype) = type;
128 TYPE_POINTER_TYPE (type) = ntype;
129
130 /* FIXME! Assume the machine has only one representation for pointers! */
131
132 TYPE_LENGTH (ntype) = TARGET_PTR_BIT / TARGET_CHAR_BIT;
133 TYPE_CODE (ntype) = TYPE_CODE_PTR;
134
135 /* pointers are unsigned */
136 TYPE_FLAGS (ntype) |= TYPE_FLAG_UNSIGNED;
137
138 if (!TYPE_POINTER_TYPE (type)) /* Remember it, if don't have one. */
139 TYPE_POINTER_TYPE (type) = ntype;
140
141 return ntype;
142 }
143
144 /* Given a type TYPE, return a type of pointers to that type.
145 May need to construct such a type if this is the first use. */
146
147 struct type *
148 lookup_pointer_type (type)
149 struct type *type;
150 {
151 return make_pointer_type (type, (struct type **)0);
152 }
153
154 /* Lookup a C++ `reference' to a type TYPE. TYPEPTR, if nonzero, points
155 to a pointer to memory where the reference type should be stored.
156 If *TYPEPTR is zero, update it to point to the reference type we return.
157 We allocate new memory if needed. */
158
159 struct type *
160 make_reference_type (type, typeptr)
161 struct type *type;
162 struct type **typeptr;
163 {
164 register struct type *ntype; /* New type */
165 struct objfile *objfile;
166
167 ntype = TYPE_REFERENCE_TYPE (type);
168
169 if (ntype)
170 if (typeptr == 0)
171 return ntype; /* Don't care about alloc, and have new type. */
172 else if (*typeptr == 0)
173 {
174 *typeptr = ntype; /* Tracking alloc, and we have new type. */
175 return ntype;
176 }
177
178 if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
179 {
180 ntype = alloc_type (TYPE_OBJFILE (type));
181 if (typeptr)
182 *typeptr = ntype;
183 }
184 else /* We have storage, but need to reset it. */
185 {
186 ntype = *typeptr;
187 objfile = TYPE_OBJFILE (ntype);
188 memset ((char *) ntype, 0, sizeof (struct type));
189 TYPE_OBJFILE (ntype) = objfile;
190 }
191
192 TYPE_TARGET_TYPE (ntype) = type;
193 TYPE_REFERENCE_TYPE (type) = ntype;
194
195 /* FIXME! Assume the machine has only one representation for references,
196 and that it matches the (only) representation for pointers! */
197
198 TYPE_LENGTH (ntype) = TARGET_PTR_BIT / TARGET_CHAR_BIT;
199 TYPE_CODE (ntype) = TYPE_CODE_REF;
200
201 if (!TYPE_REFERENCE_TYPE (type)) /* Remember it, if don't have one. */
202 TYPE_REFERENCE_TYPE (type) = ntype;
203
204 return ntype;
205 }
206
207 /* Same as above, but caller doesn't care about memory allocation details. */
208
209 struct type *
210 lookup_reference_type (type)
211 struct type *type;
212 {
213 return make_reference_type (type, (struct type **)0);
214 }
215
216 /* Lookup a function type that returns type TYPE. TYPEPTR, if nonzero, points
217 to a pointer to memory where the function type should be stored.
218 If *TYPEPTR is zero, update it to point to the function type we return.
219 We allocate new memory if needed. */
220
221 struct type *
222 make_function_type (type, typeptr)
223 struct type *type;
224 struct type **typeptr;
225 {
226 register struct type *ntype; /* New type */
227 struct objfile *objfile;
228
229 if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
230 {
231 ntype = alloc_type (TYPE_OBJFILE (type));
232 if (typeptr)
233 *typeptr = ntype;
234 }
235 else /* We have storage, but need to reset it. */
236 {
237 ntype = *typeptr;
238 objfile = TYPE_OBJFILE (ntype);
239 memset ((char *) ntype, 0, sizeof (struct type));
240 TYPE_OBJFILE (ntype) = objfile;
241 }
242
243 TYPE_TARGET_TYPE (ntype) = type;
244
245 TYPE_LENGTH (ntype) = 1;
246 TYPE_CODE (ntype) = TYPE_CODE_FUNC;
247
248 return ntype;
249 }
250
251
252 /* Given a type TYPE, return a type of functions that return that type.
253 May need to construct such a type if this is the first use. */
254
255 struct type *
256 lookup_function_type (type)
257 struct type *type;
258 {
259 return make_function_type (type, (struct type **)0);
260 }
261
262 /* Implement direct support for MEMBER_TYPE in GNU C++.
263 May need to construct such a type if this is the first use.
264 The TYPE is the type of the member. The DOMAIN is the type
265 of the aggregate that the member belongs to. */
266
267 struct type *
268 lookup_member_type (type, domain)
269 struct type *type;
270 struct type *domain;
271 {
272 register struct type *mtype;
273
274 mtype = alloc_type (TYPE_OBJFILE (type));
275 smash_to_member_type (mtype, domain, type);
276 return (mtype);
277 }
278
279 /* Allocate a stub method whose return type is TYPE.
280 This apparently happens for speed of symbol reading, since parsing
281 out the arguments to the method is cpu-intensive, the way we are doing
282 it. So, we will fill in arguments later.
283 This always returns a fresh type. */
284
285 struct type *
286 allocate_stub_method (type)
287 struct type *type;
288 {
289 struct type *mtype;
290
291 mtype = alloc_type (TYPE_OBJFILE (type));
292 TYPE_TARGET_TYPE (mtype) = type;
293 /* _DOMAIN_TYPE (mtype) = unknown yet */
294 /* _ARG_TYPES (mtype) = unknown yet */
295 TYPE_FLAGS (mtype) = TYPE_FLAG_STUB;
296 TYPE_CODE (mtype) = TYPE_CODE_METHOD;
297 TYPE_LENGTH (mtype) = 1;
298 return (mtype);
299 }
300
301 /* Create a range type using either a blank type supplied in RESULT_TYPE,
302 or creating a new type, inheriting the objfile from INDEX_TYPE.
303
304 Indices will be of type INDEX_TYPE, and will range from LOW_BOUND to
305 HIGH_BOUND, inclusive.
306
307 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
308 sure it is TYPE_CODE_UNDEF before we bash it into a range type? */
309
310 struct type *
311 create_range_type (result_type, index_type, low_bound, high_bound)
312 struct type *result_type;
313 struct type *index_type;
314 int low_bound;
315 int high_bound;
316 {
317 if (result_type == NULL)
318 {
319 result_type = alloc_type (TYPE_OBJFILE (index_type));
320 }
321 TYPE_CODE (result_type) = TYPE_CODE_RANGE;
322 TYPE_TARGET_TYPE (result_type) = index_type;
323 TYPE_LENGTH (result_type) = TYPE_LENGTH (index_type);
324 TYPE_NFIELDS (result_type) = 2;
325 TYPE_FIELDS (result_type) = (struct field *)
326 TYPE_ALLOC (result_type, 2 * sizeof (struct field));
327 memset (TYPE_FIELDS (result_type), 0, 2 * sizeof (struct field));
328 TYPE_FIELD_BITPOS (result_type, 0) = low_bound;
329 TYPE_FIELD_BITPOS (result_type, 1) = high_bound;
330 TYPE_FIELD_TYPE (result_type, 0) = builtin_type_int; /* FIXME */
331 TYPE_FIELD_TYPE (result_type, 1) = builtin_type_int; /* FIXME */
332
333 return (result_type);
334 }
335
336 /* A lot of code assumes that the "index type" of an array/string/
337 set/bitstring is specifically a range type, though in some languages
338 it can be any discrete type. */
339
340 struct type *
341 force_to_range_type (type)
342 struct type *type;
343 {
344 switch (TYPE_CODE (type))
345 {
346 case TYPE_CODE_RANGE:
347 return type;
348
349 case TYPE_CODE_ENUM:
350 {
351 int low_bound = TYPE_FIELD_BITPOS (type, 0);
352 int high_bound = TYPE_FIELD_BITPOS (type, TYPE_NFIELDS (type) - 1);
353 struct type *range_type =
354 create_range_type (NULL, type, low_bound, high_bound);
355 TYPE_NAME (range_type) = TYPE_NAME (range_type);
356 TYPE_DUMMY_RANGE (range_type) = 1;
357 return range_type;
358 }
359 case TYPE_CODE_BOOL:
360 {
361 struct type *range_type = create_range_type (NULL, type, 0, 1);
362 TYPE_NAME (range_type) = TYPE_NAME (range_type);
363 TYPE_DUMMY_RANGE (range_type) = 1;
364 return range_type;
365 }
366 case TYPE_CODE_CHAR:
367 {
368 struct type *range_type = create_range_type (NULL, type, 0, 255);
369 TYPE_NAME (range_type) = TYPE_NAME (range_type);
370 TYPE_DUMMY_RANGE (range_type) = 1;
371 return range_type;
372 }
373 default:
374 {
375 static struct complaint msg =
376 { "array index type must be a discrete type", 0, 0};
377 complain (&msg);
378
379 return create_range_type (NULL, builtin_type_int, 0, 0);
380 }
381 }
382 }
383
384 /* Create an array type using either a blank type supplied in RESULT_TYPE,
385 or creating a new type, inheriting the objfile from RANGE_TYPE.
386
387 Elements will be of type ELEMENT_TYPE, the indices will be of type
388 RANGE_TYPE.
389
390 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
391 sure it is TYPE_CODE_UNDEF before we bash it into an array type? */
392
393 struct type *
394 create_array_type (result_type, element_type, range_type)
395 struct type *result_type;
396 struct type *element_type;
397 struct type *range_type;
398 {
399 int low_bound;
400 int high_bound;
401
402 range_type = force_to_range_type (range_type);
403 if (result_type == NULL)
404 {
405 result_type = alloc_type (TYPE_OBJFILE (range_type));
406 }
407 TYPE_CODE (result_type) = TYPE_CODE_ARRAY;
408 TYPE_TARGET_TYPE (result_type) = element_type;
409 low_bound = TYPE_LOW_BOUND (range_type);
410 high_bound = TYPE_HIGH_BOUND (range_type);
411 TYPE_LENGTH (result_type) =
412 TYPE_LENGTH (element_type) * (high_bound - low_bound + 1);
413 TYPE_NFIELDS (result_type) = 1;
414 TYPE_FIELDS (result_type) =
415 (struct field *) TYPE_ALLOC (result_type, sizeof (struct field));
416 memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
417 TYPE_FIELD_TYPE (result_type, 0) = range_type;
418 TYPE_VPTR_FIELDNO (result_type) = -1;
419
420 return (result_type);
421 }
422
423 /* Create a string type using either a blank type supplied in RESULT_TYPE,
424 or creating a new type. String types are similar enough to array of
425 char types that we can use create_array_type to build the basic type
426 and then bash it into a string type.
427
428 For fixed length strings, the range type contains 0 as the lower
429 bound and the length of the string minus one as the upper bound.
430
431 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
432 sure it is TYPE_CODE_UNDEF before we bash it into a string type? */
433
434 struct type *
435 create_string_type (result_type, range_type)
436 struct type *result_type;
437 struct type *range_type;
438 {
439 result_type = create_array_type (result_type,
440 *current_language->string_char_type,
441 range_type);
442 TYPE_CODE (result_type) = TYPE_CODE_STRING;
443 return (result_type);
444 }
445
446 struct type *
447 create_set_type (result_type, domain_type)
448 struct type *result_type;
449 struct type *domain_type;
450 {
451 int low_bound, high_bound, bit_length;
452 if (result_type == NULL)
453 {
454 result_type = alloc_type (TYPE_OBJFILE (domain_type));
455 }
456 TYPE_CODE (result_type) = TYPE_CODE_SET;
457 TYPE_NFIELDS (result_type) = 1;
458 TYPE_FIELDS (result_type) = (struct field *)
459 TYPE_ALLOC (result_type, 1 * sizeof (struct field));
460 memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
461
462 if (! (TYPE_FLAGS (domain_type) & TYPE_FLAG_STUB))
463 {
464 domain_type = force_to_range_type (domain_type);
465 low_bound = TYPE_LOW_BOUND (domain_type);
466 high_bound = TYPE_HIGH_BOUND (domain_type);
467 bit_length = high_bound - low_bound + 1;
468 TYPE_LENGTH (result_type)
469 = ((bit_length + TARGET_CHAR_BIT - 1) / TARGET_CHAR_BIT)
470 * TARGET_CHAR_BIT;
471 }
472 TYPE_FIELD_TYPE (result_type, 0) = domain_type;
473 return (result_type);
474 }
475
476 /* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE.
477 A MEMBER is a wierd thing -- it amounts to a typed offset into
478 a struct, e.g. "an int at offset 8". A MEMBER TYPE doesn't
479 include the offset (that's the value of the MEMBER itself), but does
480 include the structure type into which it points (for some reason).
481
482 When "smashing" the type, we preserve the objfile that the
483 old type pointed to, since we aren't changing where the type is actually
484 allocated. */
485
486 void
487 smash_to_member_type (type, domain, to_type)
488 struct type *type;
489 struct type *domain;
490 struct type *to_type;
491 {
492 struct objfile *objfile;
493
494 objfile = TYPE_OBJFILE (type);
495
496 memset ((char *) type, 0, sizeof (struct type));
497 TYPE_OBJFILE (type) = objfile;
498 TYPE_TARGET_TYPE (type) = to_type;
499 TYPE_DOMAIN_TYPE (type) = domain;
500 TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */
501 TYPE_CODE (type) = TYPE_CODE_MEMBER;
502 }
503
504 /* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE.
505 METHOD just means `function that gets an extra "this" argument'.
506
507 When "smashing" the type, we preserve the objfile that the
508 old type pointed to, since we aren't changing where the type is actually
509 allocated. */
510
511 void
512 smash_to_method_type (type, domain, to_type, args)
513 struct type *type;
514 struct type *domain;
515 struct type *to_type;
516 struct type **args;
517 {
518 struct objfile *objfile;
519
520 objfile = TYPE_OBJFILE (type);
521
522 memset ((char *) type, 0, sizeof (struct type));
523 TYPE_OBJFILE (type) = objfile;
524 TYPE_TARGET_TYPE (type) = to_type;
525 TYPE_DOMAIN_TYPE (type) = domain;
526 TYPE_ARG_TYPES (type) = args;
527 TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */
528 TYPE_CODE (type) = TYPE_CODE_METHOD;
529 }
530
531 /* Return a typename for a struct/union/enum type without "struct ",
532 "union ", or "enum ". If the type has a NULL name, return NULL. */
533
534 char *
535 type_name_no_tag (type)
536 register const struct type *type;
537 {
538 if (TYPE_TAG_NAME (type) != NULL)
539 return TYPE_TAG_NAME (type);
540
541 /* Is there code which expects this to return the name if there is no
542 tag name? My guess is that this is mainly used for C++ in cases where
543 the two will always be the same. */
544 return TYPE_NAME (type);
545 }
546
547 /* Lookup a primitive type named NAME.
548 Return zero if NAME is not a primitive type.*/
549
550 struct type *
551 lookup_primitive_typename (name)
552 char *name;
553 {
554 struct type ** const *p;
555
556 for (p = current_language -> la_builtin_type_vector; *p != NULL; p++)
557 {
558 if (STREQ ((**p) -> name, name))
559 {
560 return (**p);
561 }
562 }
563 return (NULL);
564 }
565
566 /* Lookup a typedef or primitive type named NAME,
567 visible in lexical block BLOCK.
568 If NOERR is nonzero, return zero if NAME is not suitably defined. */
569
570 struct type *
571 lookup_typename (name, block, noerr)
572 char *name;
573 struct block *block;
574 int noerr;
575 {
576 register struct symbol *sym;
577 register struct type *tmp;
578
579 sym = lookup_symbol (name, block, VAR_NAMESPACE, 0, (struct symtab **) NULL);
580 if (sym == NULL || SYMBOL_CLASS (sym) != LOC_TYPEDEF)
581 {
582 tmp = lookup_primitive_typename (name);
583 if (tmp)
584 {
585 return (tmp);
586 }
587 else if (!tmp && noerr)
588 {
589 return (NULL);
590 }
591 else
592 {
593 error ("No type named %s.", name);
594 }
595 }
596 return (SYMBOL_TYPE (sym));
597 }
598
599 struct type *
600 lookup_unsigned_typename (name)
601 char *name;
602 {
603 char *uns = alloca (strlen (name) + 10);
604
605 strcpy (uns, "unsigned ");
606 strcpy (uns + 9, name);
607 return (lookup_typename (uns, (struct block *) NULL, 0));
608 }
609
610 struct type *
611 lookup_signed_typename (name)
612 char *name;
613 {
614 struct type *t;
615 char *uns = alloca (strlen (name) + 8);
616
617 strcpy (uns, "signed ");
618 strcpy (uns + 7, name);
619 t = lookup_typename (uns, (struct block *) NULL, 1);
620 /* If we don't find "signed FOO" just try again with plain "FOO". */
621 if (t != NULL)
622 return t;
623 return lookup_typename (name, (struct block *) NULL, 0);
624 }
625
626 /* Lookup a structure type named "struct NAME",
627 visible in lexical block BLOCK. */
628
629 struct type *
630 lookup_struct (name, block)
631 char *name;
632 struct block *block;
633 {
634 register struct symbol *sym;
635
636 sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0,
637 (struct symtab **) NULL);
638
639 if (sym == NULL)
640 {
641 error ("No struct type named %s.", name);
642 }
643 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT)
644 {
645 error ("This context has class, union or enum %s, not a struct.", name);
646 }
647 return (SYMBOL_TYPE (sym));
648 }
649
650 /* Lookup a union type named "union NAME",
651 visible in lexical block BLOCK. */
652
653 struct type *
654 lookup_union (name, block)
655 char *name;
656 struct block *block;
657 {
658 register struct symbol *sym;
659
660 sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0,
661 (struct symtab **) NULL);
662
663 if (sym == NULL)
664 {
665 error ("No union type named %s.", name);
666 }
667 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_UNION)
668 {
669 error ("This context has class, struct or enum %s, not a union.", name);
670 }
671 return (SYMBOL_TYPE (sym));
672 }
673
674 /* Lookup an enum type named "enum NAME",
675 visible in lexical block BLOCK. */
676
677 struct type *
678 lookup_enum (name, block)
679 char *name;
680 struct block *block;
681 {
682 register struct symbol *sym;
683
684 sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0,
685 (struct symtab **) NULL);
686 if (sym == NULL)
687 {
688 error ("No enum type named %s.", name);
689 }
690 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_ENUM)
691 {
692 error ("This context has class, struct or union %s, not an enum.", name);
693 }
694 return (SYMBOL_TYPE (sym));
695 }
696
697 /* Lookup a template type named "template NAME<TYPE>",
698 visible in lexical block BLOCK. */
699
700 struct type *
701 lookup_template_type (name, type, block)
702 char *name;
703 struct type *type;
704 struct block *block;
705 {
706 struct symbol *sym;
707 char *nam = (char*) alloca(strlen(name) + strlen(type->name) + 4);
708 strcpy (nam, name);
709 strcat (nam, "<");
710 strcat (nam, type->name);
711 strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */
712
713 sym = lookup_symbol (nam, block, VAR_NAMESPACE, 0, (struct symtab **)NULL);
714
715 if (sym == NULL)
716 {
717 error ("No template type named %s.", name);
718 }
719 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT)
720 {
721 error ("This context has class, union or enum %s, not a struct.", name);
722 }
723 return (SYMBOL_TYPE (sym));
724 }
725
726 /* Given a type TYPE, lookup the type of the component of type named NAME.
727
728 TYPE can be either a struct or union, or a pointer or reference to a struct or
729 union. If it is a pointer or reference, its target type is automatically used.
730 Thus '.' and '->' are interchangable, as specified for the definitions of the
731 expression element types STRUCTOP_STRUCT and STRUCTOP_PTR.
732
733 If NOERR is nonzero, return zero if NAME is not suitably defined.
734 If NAME is the name of a baseclass type, return that type. */
735
736 struct type *
737 lookup_struct_elt_type (type, name, noerr)
738 struct type *type;
739 char *name;
740 int noerr;
741 {
742 int i;
743
744 while (TYPE_CODE (type) == TYPE_CODE_PTR ||
745 TYPE_CODE (type) == TYPE_CODE_REF)
746 type = TYPE_TARGET_TYPE (type);
747
748 if (TYPE_CODE (type) != TYPE_CODE_STRUCT &&
749 TYPE_CODE (type) != TYPE_CODE_UNION)
750 {
751 target_terminal_ours ();
752 gdb_flush (gdb_stdout);
753 fprintf_unfiltered (gdb_stderr, "Type ");
754 type_print (type, "", gdb_stderr, -1);
755 error (" is not a structure or union type.");
756 }
757
758 check_stub_type (type);
759
760 #if 0
761 /* FIXME: This change put in by Michael seems incorrect for the case where
762 the structure tag name is the same as the member name. I.E. when doing
763 "ptype bell->bar" for "struct foo { int bar; int foo; } bell;"
764 Disabled by fnf. */
765 {
766 char *typename;
767
768 typename = type_name_no_tag (type);
769 if (typename != NULL && STREQ (typename, name))
770 return type;
771 }
772 #endif
773
774 for (i = TYPE_NFIELDS (type) - 1; i >= TYPE_N_BASECLASSES (type); i--)
775 {
776 char *t_field_name = TYPE_FIELD_NAME (type, i);
777
778 if (t_field_name && STREQ (t_field_name, name))
779 {
780 return TYPE_FIELD_TYPE (type, i);
781 }
782 }
783
784 /* OK, it's not in this class. Recursively check the baseclasses. */
785 for (i = TYPE_N_BASECLASSES (type) - 1; i >= 0; i--)
786 {
787 struct type *t;
788
789 t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, noerr);
790 if (t != NULL)
791 {
792 return t;
793 }
794 }
795
796 if (noerr)
797 {
798 return NULL;
799 }
800
801 target_terminal_ours ();
802 gdb_flush (gdb_stdout);
803 fprintf_unfiltered (gdb_stderr, "Type ");
804 type_print (type, "", gdb_stderr, -1);
805 fprintf_unfiltered (gdb_stderr, " has no component named ");
806 fputs_filtered (name, gdb_stderr);
807 error (".");
808 return (struct type *)-1; /* For lint */
809 }
810
811 /* If possible, make the vptr_fieldno and vptr_basetype fields of TYPE
812 valid. Callers should be aware that in some cases (for example,
813 the type or one of its baseclasses is a stub type and we are
814 debugging a .o file), this function will not be able to find the virtual
815 function table pointer, and vptr_fieldno will remain -1 and vptr_basetype
816 will remain NULL. */
817
818 void
819 fill_in_vptr_fieldno (type)
820 struct type *type;
821 {
822 check_stub_type (type);
823
824 if (TYPE_VPTR_FIELDNO (type) < 0)
825 {
826 int i;
827
828 /* We must start at zero in case the first (and only) baseclass is
829 virtual (and hence we cannot share the table pointer). */
830 for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
831 {
832 fill_in_vptr_fieldno (TYPE_BASECLASS (type, i));
833 if (TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, i)) >= 0)
834 {
835 TYPE_VPTR_FIELDNO (type)
836 = TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, i));
837 TYPE_VPTR_BASETYPE (type)
838 = TYPE_VPTR_BASETYPE (TYPE_BASECLASS (type, i));
839 break;
840 }
841 }
842 }
843 }
844
845 /* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989.
846
847 If this is a stubbed struct (i.e. declared as struct foo *), see if
848 we can find a full definition in some other file. If so, copy this
849 definition, so we can use it in future. There used to be a comment (but
850 not any code) that if we don't find a full definition, we'd set a flag
851 so we don't spend time in the future checking the same type. That would
852 be a mistake, though--we might load in more symbols which contain a
853 full definition for the type.
854
855 This used to be coded as a macro, but I don't think it is called
856 often enough to merit such treatment. */
857
858 struct complaint stub_noname_complaint =
859 {"stub type has NULL name", 0, 0};
860
861 void
862 check_stub_type (type)
863 struct type *type;
864 {
865 if (TYPE_FLAGS(type) & TYPE_FLAG_STUB)
866 {
867 char* name = type_name_no_tag (type);
868 /* FIXME: shouldn't we separately check the TYPE_NAME and the
869 TYPE_TAG_NAME, and look in STRUCT_NAMESPACE and/or VAR_NAMESPACE
870 as appropriate? (this code was written before TYPE_NAME and
871 TYPE_TAG_NAME were separate). */
872 struct symbol *sym;
873 if (name == NULL)
874 {
875 complain (&stub_noname_complaint);
876 return;
877 }
878 sym = lookup_symbol (name, 0, STRUCT_NAMESPACE, 0,
879 (struct symtab **) NULL);
880 if (sym)
881 {
882 memcpy ((char *)type,
883 (char *)SYMBOL_TYPE(sym),
884 sizeof (struct type));
885 }
886 }
887
888 if (TYPE_FLAGS (type) & TYPE_FLAG_TARGET_STUB)
889 {
890 struct type *range_type;
891
892 check_stub_type (TYPE_TARGET_TYPE (type));
893 if (!(TYPE_FLAGS (TYPE_TARGET_TYPE (type)) & TYPE_FLAG_STUB)
894 && TYPE_CODE (type) == TYPE_CODE_ARRAY
895 && TYPE_NFIELDS (type) == 1
896 && (TYPE_CODE (range_type = TYPE_FIELD_TYPE (type, 0))
897 == TYPE_CODE_RANGE))
898 {
899 /* Now recompute the length of the array type, based on its
900 number of elements and the target type's length. */
901 TYPE_LENGTH (type) =
902 ((TYPE_FIELD_BITPOS (range_type, 1)
903 - TYPE_FIELD_BITPOS (range_type, 0)
904 + 1)
905 * TYPE_LENGTH (TYPE_TARGET_TYPE (type)));
906 TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB;
907 }
908 }
909 }
910
911 /* Ugly hack to convert method stubs into method types.
912
913 He ain't kiddin'. This demangles the name of the method into a string
914 including argument types, parses out each argument type, generates
915 a string casting a zero to that type, evaluates the string, and stuffs
916 the resulting type into an argtype vector!!! Then it knows the type
917 of the whole function (including argument types for overloading),
918 which info used to be in the stab's but was removed to hack back
919 the space required for them. */
920
921 void
922 check_stub_method (type, i, j)
923 struct type *type;
924 int i;
925 int j;
926 {
927 struct fn_field *f;
928 char *mangled_name = gdb_mangle_name (type, i, j);
929 char *demangled_name = cplus_demangle (mangled_name,
930 DMGL_PARAMS | DMGL_ANSI);
931 char *argtypetext, *p;
932 int depth = 0, argcount = 1;
933 struct type **argtypes;
934 struct type *mtype;
935
936 if (demangled_name == NULL)
937 {
938 error ("Internal: Cannot demangle mangled name `%s'.", mangled_name);
939 }
940
941 /* Now, read in the parameters that define this type. */
942 argtypetext = strchr (demangled_name, '(') + 1;
943 p = argtypetext;
944 while (*p)
945 {
946 if (*p == '(')
947 {
948 depth += 1;
949 }
950 else if (*p == ')')
951 {
952 depth -= 1;
953 }
954 else if (*p == ',' && depth == 0)
955 {
956 argcount += 1;
957 }
958
959 p += 1;
960 }
961
962 /* We need two more slots: one for the THIS pointer, and one for the
963 NULL [...] or void [end of arglist]. */
964
965 argtypes = (struct type **)
966 TYPE_ALLOC (type, (argcount + 2) * sizeof (struct type *));
967 p = argtypetext;
968 /* FIXME: This is wrong for static member functions. */
969 argtypes[0] = lookup_pointer_type (type);
970 argcount = 1;
971
972 if (*p != ')') /* () means no args, skip while */
973 {
974 depth = 0;
975 while (*p)
976 {
977 if (depth <= 0 && (*p == ',' || *p == ')'))
978 {
979 /* Avoid parsing of ellipsis, they will be handled below. */
980 if (strncmp (argtypetext, "...", p - argtypetext) != 0)
981 {
982 argtypes[argcount] =
983 parse_and_eval_type (argtypetext, p - argtypetext);
984 argcount += 1;
985 }
986 argtypetext = p + 1;
987 }
988
989 if (*p == '(')
990 {
991 depth += 1;
992 }
993 else if (*p == ')')
994 {
995 depth -= 1;
996 }
997
998 p += 1;
999 }
1000 }
1001
1002 if (p[-2] != '.') /* Not '...' */
1003 {
1004 argtypes[argcount] = builtin_type_void; /* List terminator */
1005 }
1006 else
1007 {
1008 argtypes[argcount] = NULL; /* Ellist terminator */
1009 }
1010
1011 free (demangled_name);
1012
1013 f = TYPE_FN_FIELDLIST1 (type, i);
1014 TYPE_FN_FIELD_PHYSNAME (f, j) = mangled_name;
1015
1016 /* Now update the old "stub" type into a real type. */
1017 mtype = TYPE_FN_FIELD_TYPE (f, j);
1018 TYPE_DOMAIN_TYPE (mtype) = type;
1019 TYPE_ARG_TYPES (mtype) = argtypes;
1020 TYPE_FLAGS (mtype) &= ~TYPE_FLAG_STUB;
1021 TYPE_FN_FIELD_STUB (f, j) = 0;
1022 }
1023
1024 const struct cplus_struct_type cplus_struct_default;
1025
1026 void
1027 allocate_cplus_struct_type (type)
1028 struct type *type;
1029 {
1030 if (!HAVE_CPLUS_STRUCT (type))
1031 {
1032 TYPE_CPLUS_SPECIFIC (type) = (struct cplus_struct_type *)
1033 TYPE_ALLOC (type, sizeof (struct cplus_struct_type));
1034 *(TYPE_CPLUS_SPECIFIC(type)) = cplus_struct_default;
1035 }
1036 }
1037
1038 /* Helper function to initialize the standard scalar types.
1039
1040 If NAME is non-NULL and OBJFILE is non-NULL, then we make a copy
1041 of the string pointed to by name in the type_obstack for that objfile,
1042 and initialize the type name to that copy. There are places (mipsread.c
1043 in particular, where init_type is called with a NULL value for NAME). */
1044
1045 struct type *
1046 init_type (code, length, flags, name, objfile)
1047 enum type_code code;
1048 int length;
1049 int flags;
1050 char *name;
1051 struct objfile *objfile;
1052 {
1053 register struct type *type;
1054
1055 type = alloc_type (objfile);
1056 TYPE_CODE (type) = code;
1057 TYPE_LENGTH (type) = length;
1058 TYPE_FLAGS (type) |= flags;
1059 if ((name != NULL) && (objfile != NULL))
1060 {
1061 TYPE_NAME (type) =
1062 obsavestring (name, strlen (name), &objfile -> type_obstack);
1063 }
1064 else
1065 {
1066 TYPE_NAME (type) = name;
1067 }
1068
1069 /* C++ fancies. */
1070
1071 if (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION)
1072 {
1073 INIT_CPLUS_SPECIFIC (type);
1074 }
1075 return (type);
1076 }
1077
1078 /* Look up a fundamental type for the specified objfile.
1079 May need to construct such a type if this is the first use.
1080
1081 Some object file formats (ELF, COFF, etc) do not define fundamental
1082 types such as "int" or "double". Others (stabs for example), do
1083 define fundamental types.
1084
1085 For the formats which don't provide fundamental types, gdb can create
1086 such types, using defaults reasonable for the current language and
1087 the current target machine.
1088
1089 NOTE: This routine is obsolescent. Each debugging format reader
1090 should manage it's own fundamental types, either creating them from
1091 suitable defaults or reading them from the debugging information,
1092 whichever is appropriate. The DWARF reader has already been
1093 fixed to do this. Once the other readers are fixed, this routine
1094 will go away. Also note that fundamental types should be managed
1095 on a compilation unit basis in a multi-language environment, not
1096 on a linkage unit basis as is done here. */
1097
1098
1099 struct type *
1100 lookup_fundamental_type (objfile, typeid)
1101 struct objfile *objfile;
1102 int typeid;
1103 {
1104 register struct type **typep;
1105 register int nbytes;
1106
1107 if (typeid < 0 || typeid >= FT_NUM_MEMBERS)
1108 {
1109 error ("internal error - invalid fundamental type id %d", typeid);
1110 }
1111
1112 /* If this is the first time we need a fundamental type for this objfile
1113 then we need to initialize the vector of type pointers. */
1114
1115 if (objfile -> fundamental_types == NULL)
1116 {
1117 nbytes = FT_NUM_MEMBERS * sizeof (struct type *);
1118 objfile -> fundamental_types = (struct type **)
1119 obstack_alloc (&objfile -> type_obstack, nbytes);
1120 memset ((char *) objfile -> fundamental_types, 0, nbytes);
1121 }
1122
1123 /* Look for this particular type in the fundamental type vector. If one is
1124 not found, create and install one appropriate for the current language. */
1125
1126 typep = objfile -> fundamental_types + typeid;
1127 if (*typep == NULL)
1128 {
1129 *typep = create_fundamental_type (objfile, typeid);
1130 }
1131
1132 return (*typep);
1133 }
1134
1135 int
1136 can_dereference (t)
1137 struct type *t;
1138 {
1139 /* FIXME: Should we return true for references as well as pointers? */
1140 return
1141 (t != NULL
1142 && TYPE_CODE (t) == TYPE_CODE_PTR
1143 && TYPE_CODE (TYPE_TARGET_TYPE (t)) != TYPE_CODE_VOID);
1144 }
1145
1146 /* Chill varying string and arrays are represented as follows:
1147
1148 struct { int __var_length; ELEMENT_TYPE[MAX_SIZE] __var_data};
1149
1150 Return true if TYPE is such a Chill varying type. */
1151
1152 int
1153 chill_varying_type (type)
1154 struct type *type;
1155 {
1156 if (TYPE_CODE (type) != TYPE_CODE_STRUCT
1157 || TYPE_NFIELDS (type) != 2
1158 || strcmp (TYPE_FIELD_NAME (type, 0), "__var_length") != 0)
1159 return 0;
1160 return 1;
1161 }
1162
1163 #if MAINTENANCE_CMDS
1164
1165 static void
1166 print_bit_vector (bits, nbits)
1167 B_TYPE *bits;
1168 int nbits;
1169 {
1170 int bitno;
1171
1172 for (bitno = 0; bitno < nbits; bitno++)
1173 {
1174 if ((bitno % 8) == 0)
1175 {
1176 puts_filtered (" ");
1177 }
1178 if (B_TST (bits, bitno))
1179 {
1180 printf_filtered ("1");
1181 }
1182 else
1183 {
1184 printf_filtered ("0");
1185 }
1186 }
1187 }
1188
1189 /* The args list is a strange beast. It is either terminated by a NULL
1190 pointer for varargs functions, or by a pointer to a TYPE_CODE_VOID
1191 type for normal fixed argcount functions. (FIXME someday)
1192 Also note the first arg should be the "this" pointer, we may not want to
1193 include it since we may get into a infinitely recursive situation. */
1194
1195 static void
1196 print_arg_types (args, spaces)
1197 struct type **args;
1198 int spaces;
1199 {
1200 if (args != NULL)
1201 {
1202 while (*args != NULL)
1203 {
1204 recursive_dump_type (*args, spaces + 2);
1205 if ((*args++) -> code == TYPE_CODE_VOID)
1206 {
1207 break;
1208 }
1209 }
1210 }
1211 }
1212
1213 static void
1214 dump_fn_fieldlists (type, spaces)
1215 struct type *type;
1216 int spaces;
1217 {
1218 int method_idx;
1219 int overload_idx;
1220 struct fn_field *f;
1221
1222 printfi_filtered (spaces, "fn_fieldlists ");
1223 gdb_print_address (TYPE_FN_FIELDLISTS (type), gdb_stdout);
1224 printf_filtered ("\n");
1225 for (method_idx = 0; method_idx < TYPE_NFN_FIELDS (type); method_idx++)
1226 {
1227 f = TYPE_FN_FIELDLIST1 (type, method_idx);
1228 printfi_filtered (spaces + 2, "[%d] name '%s' (",
1229 method_idx,
1230 TYPE_FN_FIELDLIST_NAME (type, method_idx));
1231 gdb_print_address (TYPE_FN_FIELDLIST_NAME (type, method_idx),
1232 gdb_stdout);
1233 printf_filtered (") length %d\n",
1234 TYPE_FN_FIELDLIST_LENGTH (type, method_idx));
1235 for (overload_idx = 0;
1236 overload_idx < TYPE_FN_FIELDLIST_LENGTH (type, method_idx);
1237 overload_idx++)
1238 {
1239 printfi_filtered (spaces + 4, "[%d] physname '%s' (",
1240 overload_idx,
1241 TYPE_FN_FIELD_PHYSNAME (f, overload_idx));
1242 gdb_print_address (TYPE_FN_FIELD_PHYSNAME (f, overload_idx),
1243 gdb_stdout);
1244 printf_filtered (")\n");
1245 printfi_filtered (spaces + 8, "type ");
1246 gdb_print_address (TYPE_FN_FIELD_TYPE (f, overload_idx), gdb_stdout);
1247 printf_filtered ("\n");
1248
1249 recursive_dump_type (TYPE_FN_FIELD_TYPE (f, overload_idx),
1250 spaces + 8 + 2);
1251
1252 printfi_filtered (spaces + 8, "args ");
1253 gdb_print_address (TYPE_FN_FIELD_ARGS (f, overload_idx), gdb_stdout);
1254 printf_filtered ("\n");
1255
1256 print_arg_types (TYPE_FN_FIELD_ARGS (f, overload_idx), spaces);
1257 printfi_filtered (spaces + 8, "fcontext ");
1258 gdb_print_address (TYPE_FN_FIELD_FCONTEXT (f, overload_idx),
1259 gdb_stdout);
1260 printf_filtered ("\n");
1261
1262 printfi_filtered (spaces + 8, "is_const %d\n",
1263 TYPE_FN_FIELD_CONST (f, overload_idx));
1264 printfi_filtered (spaces + 8, "is_volatile %d\n",
1265 TYPE_FN_FIELD_VOLATILE (f, overload_idx));
1266 printfi_filtered (spaces + 8, "is_private %d\n",
1267 TYPE_FN_FIELD_PRIVATE (f, overload_idx));
1268 printfi_filtered (spaces + 8, "is_protected %d\n",
1269 TYPE_FN_FIELD_PROTECTED (f, overload_idx));
1270 printfi_filtered (spaces + 8, "is_stub %d\n",
1271 TYPE_FN_FIELD_STUB (f, overload_idx));
1272 printfi_filtered (spaces + 8, "voffset %u\n",
1273 TYPE_FN_FIELD_VOFFSET (f, overload_idx));
1274 }
1275 }
1276 }
1277
1278 static void
1279 print_cplus_stuff (type, spaces)
1280 struct type *type;
1281 int spaces;
1282 {
1283 printfi_filtered (spaces, "n_baseclasses %d\n",
1284 TYPE_N_BASECLASSES (type));
1285 printfi_filtered (spaces, "nfn_fields %d\n",
1286 TYPE_NFN_FIELDS (type));
1287 printfi_filtered (spaces, "nfn_fields_total %d\n",
1288 TYPE_NFN_FIELDS_TOTAL (type));
1289 if (TYPE_N_BASECLASSES (type) > 0)
1290 {
1291 printfi_filtered (spaces, "virtual_field_bits (%d bits at *",
1292 TYPE_N_BASECLASSES (type));
1293 gdb_print_address (TYPE_FIELD_VIRTUAL_BITS (type), gdb_stdout);
1294 printf_filtered (")");
1295
1296 print_bit_vector (TYPE_FIELD_VIRTUAL_BITS (type),
1297 TYPE_N_BASECLASSES (type));
1298 puts_filtered ("\n");
1299 }
1300 if (TYPE_NFIELDS (type) > 0)
1301 {
1302 if (TYPE_FIELD_PRIVATE_BITS (type) != NULL)
1303 {
1304 printfi_filtered (spaces, "private_field_bits (%d bits at *",
1305 TYPE_NFIELDS (type));
1306 gdb_print_address (TYPE_FIELD_PRIVATE_BITS (type), gdb_stdout);
1307 printf_filtered (")");
1308 print_bit_vector (TYPE_FIELD_PRIVATE_BITS (type),
1309 TYPE_NFIELDS (type));
1310 puts_filtered ("\n");
1311 }
1312 if (TYPE_FIELD_PROTECTED_BITS (type) != NULL)
1313 {
1314 printfi_filtered (spaces, "protected_field_bits (%d bits at *",
1315 TYPE_NFIELDS (type));
1316 gdb_print_address (TYPE_FIELD_PROTECTED_BITS (type), gdb_stdout);
1317 printf_filtered (")");
1318 print_bit_vector (TYPE_FIELD_PROTECTED_BITS (type),
1319 TYPE_NFIELDS (type));
1320 puts_filtered ("\n");
1321 }
1322 }
1323 if (TYPE_NFN_FIELDS (type) > 0)
1324 {
1325 dump_fn_fieldlists (type, spaces);
1326 }
1327 }
1328
1329 void
1330 recursive_dump_type (type, spaces)
1331 struct type *type;
1332 int spaces;
1333 {
1334 int idx;
1335
1336 printfi_filtered (spaces, "type node ");
1337 gdb_print_address (type, gdb_stdout);
1338 printf_filtered ("\n");
1339 printfi_filtered (spaces, "name '%s' (",
1340 TYPE_NAME (type) ? TYPE_NAME (type) : "<NULL>");
1341 gdb_print_address (TYPE_NAME (type), gdb_stdout);
1342 printf_filtered (")\n");
1343 if (TYPE_TAG_NAME (type) != NULL)
1344 {
1345 printfi_filtered (spaces, "tagname '%s' (",
1346 TYPE_TAG_NAME (type));
1347 gdb_print_address (TYPE_TAG_NAME (type), gdb_stdout);
1348 printf_filtered (")\n");
1349 }
1350 printfi_filtered (spaces, "code 0x%x ", TYPE_CODE (type));
1351 switch (TYPE_CODE (type))
1352 {
1353 case TYPE_CODE_UNDEF:
1354 printf_filtered ("(TYPE_CODE_UNDEF)");
1355 break;
1356 case TYPE_CODE_PTR:
1357 printf_filtered ("(TYPE_CODE_PTR)");
1358 break;
1359 case TYPE_CODE_ARRAY:
1360 printf_filtered ("(TYPE_CODE_ARRAY)");
1361 break;
1362 case TYPE_CODE_STRUCT:
1363 printf_filtered ("(TYPE_CODE_STRUCT)");
1364 break;
1365 case TYPE_CODE_UNION:
1366 printf_filtered ("(TYPE_CODE_UNION)");
1367 break;
1368 case TYPE_CODE_ENUM:
1369 printf_filtered ("(TYPE_CODE_ENUM)");
1370 break;
1371 case TYPE_CODE_FUNC:
1372 printf_filtered ("(TYPE_CODE_FUNC)");
1373 break;
1374 case TYPE_CODE_INT:
1375 printf_filtered ("(TYPE_CODE_INT)");
1376 break;
1377 case TYPE_CODE_FLT:
1378 printf_filtered ("(TYPE_CODE_FLT)");
1379 break;
1380 case TYPE_CODE_VOID:
1381 printf_filtered ("(TYPE_CODE_VOID)");
1382 break;
1383 case TYPE_CODE_SET:
1384 printf_filtered ("(TYPE_CODE_SET)");
1385 break;
1386 case TYPE_CODE_RANGE:
1387 printf_filtered ("(TYPE_CODE_RANGE)");
1388 break;
1389 case TYPE_CODE_STRING:
1390 printf_filtered ("(TYPE_CODE_STRING)");
1391 break;
1392 case TYPE_CODE_ERROR:
1393 printf_filtered ("(TYPE_CODE_ERROR)");
1394 break;
1395 case TYPE_CODE_MEMBER:
1396 printf_filtered ("(TYPE_CODE_MEMBER)");
1397 break;
1398 case TYPE_CODE_METHOD:
1399 printf_filtered ("(TYPE_CODE_METHOD)");
1400 break;
1401 case TYPE_CODE_REF:
1402 printf_filtered ("(TYPE_CODE_REF)");
1403 break;
1404 case TYPE_CODE_CHAR:
1405 printf_filtered ("(TYPE_CODE_CHAR)");
1406 break;
1407 case TYPE_CODE_BOOL:
1408 printf_filtered ("(TYPE_CODE_BOOL)");
1409 break;
1410 default:
1411 printf_filtered ("(UNKNOWN TYPE CODE)");
1412 break;
1413 }
1414 puts_filtered ("\n");
1415 printfi_filtered (spaces, "length %d\n", TYPE_LENGTH (type));
1416 printfi_filtered (spaces, "objfile ");
1417 gdb_print_address (TYPE_OBJFILE (type), gdb_stdout);
1418 printf_filtered ("\n");
1419 printfi_filtered (spaces, "target_type ");
1420 gdb_print_address (TYPE_TARGET_TYPE (type), gdb_stdout);
1421 printf_filtered ("\n");
1422 if (TYPE_TARGET_TYPE (type) != NULL)
1423 {
1424 recursive_dump_type (TYPE_TARGET_TYPE (type), spaces + 2);
1425 }
1426 printfi_filtered (spaces, "pointer_type ");
1427 gdb_print_address (TYPE_POINTER_TYPE (type), gdb_stdout);
1428 printf_filtered ("\n");
1429 printfi_filtered (spaces, "reference_type ");
1430 gdb_print_address (TYPE_REFERENCE_TYPE (type), gdb_stdout);
1431 printf_filtered ("\n");
1432 printfi_filtered (spaces, "flags 0x%x", TYPE_FLAGS (type));
1433 if (TYPE_FLAGS (type) & TYPE_FLAG_UNSIGNED)
1434 {
1435 puts_filtered (" TYPE_FLAG_UNSIGNED");
1436 }
1437 if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
1438 {
1439 puts_filtered (" TYPE_FLAG_STUB");
1440 }
1441 puts_filtered ("\n");
1442 printfi_filtered (spaces, "nfields %d ", TYPE_NFIELDS (type));
1443 gdb_print_address (TYPE_FIELDS (type), gdb_stdout);
1444 puts_filtered ("\n");
1445 for (idx = 0; idx < TYPE_NFIELDS (type); idx++)
1446 {
1447 printfi_filtered (spaces + 2,
1448 "[%d] bitpos %d bitsize %d type ",
1449 idx, TYPE_FIELD_BITPOS (type, idx),
1450 TYPE_FIELD_BITSIZE (type, idx));
1451 gdb_print_address (TYPE_FIELD_TYPE (type, idx), gdb_stdout);
1452 printf_filtered (" name '%s' (",
1453 TYPE_FIELD_NAME (type, idx) != NULL
1454 ? TYPE_FIELD_NAME (type, idx)
1455 : "<NULL>");
1456 gdb_print_address (TYPE_FIELD_NAME (type, idx), gdb_stdout);
1457 printf_filtered (")\n");
1458 if (TYPE_FIELD_TYPE (type, idx) != NULL)
1459 {
1460 recursive_dump_type (TYPE_FIELD_TYPE (type, idx), spaces + 4);
1461 }
1462 }
1463 printfi_filtered (spaces, "vptr_basetype ");
1464 gdb_print_address (TYPE_VPTR_BASETYPE (type), gdb_stdout);
1465 puts_filtered ("\n");
1466 if (TYPE_VPTR_BASETYPE (type) != NULL)
1467 {
1468 recursive_dump_type (TYPE_VPTR_BASETYPE (type), spaces + 2);
1469 }
1470 printfi_filtered (spaces, "vptr_fieldno %d\n", TYPE_VPTR_FIELDNO (type));
1471 switch (TYPE_CODE (type))
1472 {
1473 case TYPE_CODE_METHOD:
1474 case TYPE_CODE_FUNC:
1475 printfi_filtered (spaces, "arg_types ");
1476 gdb_print_address (TYPE_ARG_TYPES (type), gdb_stdout);
1477 puts_filtered ("\n");
1478 print_arg_types (TYPE_ARG_TYPES (type), spaces);
1479 break;
1480
1481 case TYPE_CODE_STRUCT:
1482 printfi_filtered (spaces, "cplus_stuff ");
1483 gdb_print_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout);
1484 puts_filtered ("\n");
1485 print_cplus_stuff (type, spaces);
1486 break;
1487
1488 default:
1489 /* We have to pick one of the union types to be able print and test
1490 the value. Pick cplus_struct_type, even though we know it isn't
1491 any particular one. */
1492 printfi_filtered (spaces, "type_specific ");
1493 gdb_print_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout);
1494 if (TYPE_CPLUS_SPECIFIC (type) != NULL)
1495 {
1496 printf_filtered (" (unknown data form)");
1497 }
1498 printf_filtered ("\n");
1499 break;
1500
1501 }
1502 }
1503
1504 #endif /* MAINTENANCE_CMDS */
1505
1506 void
1507 _initialize_gdbtypes ()
1508 {
1509 builtin_type_void =
1510 init_type (TYPE_CODE_VOID, 1,
1511 0,
1512 "void", (struct objfile *) NULL);
1513 builtin_type_char =
1514 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
1515 0,
1516 "char", (struct objfile *) NULL);
1517 builtin_type_signed_char =
1518 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
1519 0,
1520 "signed char", (struct objfile *) NULL);
1521 builtin_type_unsigned_char =
1522 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
1523 TYPE_FLAG_UNSIGNED,
1524 "unsigned char", (struct objfile *) NULL);
1525 builtin_type_short =
1526 init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
1527 0,
1528 "short", (struct objfile *) NULL);
1529 builtin_type_unsigned_short =
1530 init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
1531 TYPE_FLAG_UNSIGNED,
1532 "unsigned short", (struct objfile *) NULL);
1533 builtin_type_int =
1534 init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
1535 0,
1536 "int", (struct objfile *) NULL);
1537 builtin_type_unsigned_int =
1538 init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
1539 TYPE_FLAG_UNSIGNED,
1540 "unsigned int", (struct objfile *) NULL);
1541 builtin_type_long =
1542 init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
1543 0,
1544 "long", (struct objfile *) NULL);
1545 builtin_type_unsigned_long =
1546 init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
1547 TYPE_FLAG_UNSIGNED,
1548 "unsigned long", (struct objfile *) NULL);
1549 builtin_type_long_long =
1550 init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
1551 0,
1552 "long long", (struct objfile *) NULL);
1553 builtin_type_unsigned_long_long =
1554 init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
1555 TYPE_FLAG_UNSIGNED,
1556 "unsigned long long", (struct objfile *) NULL);
1557 builtin_type_float =
1558 init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
1559 0,
1560 "float", (struct objfile *) NULL);
1561 builtin_type_double =
1562 init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
1563 0,
1564 "double", (struct objfile *) NULL);
1565 builtin_type_long_double =
1566 init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
1567 0,
1568 "long double", (struct objfile *) NULL);
1569 builtin_type_complex =
1570 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
1571 0,
1572 "complex", (struct objfile *) NULL);
1573 TYPE_TARGET_TYPE (builtin_type_complex) = builtin_type_float;
1574 builtin_type_double_complex =
1575 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
1576 0,
1577 "double complex", (struct objfile *) NULL);
1578 TYPE_TARGET_TYPE (builtin_type_double_complex) = builtin_type_double;
1579 builtin_type_string =
1580 init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
1581 0,
1582 "string", (struct objfile *) NULL);
1583 }
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