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