* gdbtypes.h: Add TYPE_FLAG_TARGET_STUB.
[deliverable/binutils-gdb.git] / gdb / gdbtypes.c
CommitLineData
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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
5This file is part of GDB.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
19Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20
1ab3bf1b 21#include "defs.h"
93fe4e33 22#include <string.h>
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23#include "bfd.h"
24#include "symtab.h"
25#include "symfile.h"
5e2e79f8 26#include "objfiles.h"
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27#include "gdbtypes.h"
28#include "expression.h"
29#include "language.h"
30#include "target.h"
31#include "value.h"
8f793aa5 32#include "demangle.h"
51b80b00 33#include "complaints.h"
1ab3bf1b 34
c4413e2c
FF
35/* These variables point to the objects
36 representing the predefined C data types. */
37
38struct type *builtin_type_void;
39struct type *builtin_type_char;
40struct type *builtin_type_short;
41struct type *builtin_type_int;
42struct type *builtin_type_long;
43struct type *builtin_type_long_long;
44struct type *builtin_type_signed_char;
45struct type *builtin_type_unsigned_char;
46struct type *builtin_type_unsigned_short;
47struct type *builtin_type_unsigned_int;
48struct type *builtin_type_unsigned_long;
49struct type *builtin_type_unsigned_long_long;
50struct type *builtin_type_float;
51struct type *builtin_type_double;
52struct type *builtin_type_long_double;
53struct type *builtin_type_complex;
54struct type *builtin_type_double_complex;
55struct type *builtin_type_string;
56
1ab3bf1b
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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
61struct type *
62alloc_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 }
dac9734e 78 memset ((char *) type, 0, sizeof (struct type));
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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
ea1549b3
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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
94struct type *
95make_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);
dac9734e 123 memset ((char *) ntype, 0, sizeof (struct type));
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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
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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
147struct type *
148lookup_pointer_type (type)
149 struct type *type;
150{
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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
159struct type *
160make_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);
1ab3bf1b 168
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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. */
1ab3bf1b 185 {
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186 ntype = *typeptr;
187 objfile = TYPE_OBJFILE (ntype);
dac9734e 188 memset ((char *) ntype, 0, sizeof (struct type));
ea1549b3 189 TYPE_OBJFILE (ntype) = objfile;
1ab3bf1b 190 }
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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;
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205}
206
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207/* Same as above, but caller doesn't care about memory allocation details. */
208
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209struct type *
210lookup_reference_type (type)
211 struct type *type;
212{
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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. */
1ab3bf1b 220
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221struct type *
222make_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. */
1ab3bf1b 241 {
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242 ntype = alloc_type (TYPE_OBJFILE (type));
243 if (typeptr)
244 *typeptr = ntype;
1ab3bf1b 245 }
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246 else /* We have storage, but need to reset it. */
247 {
248 ntype = *typeptr;
249 objfile = TYPE_OBJFILE (ntype);
dac9734e 250 memset ((char *) ntype, 0, sizeof (struct type));
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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;
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264}
265
ea1549b3 266
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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
270struct type *
271lookup_function_type (type)
272 struct type *type;
273{
ea1549b3 274 return make_function_type (type, (struct type **)0);
1ab3bf1b
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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
282struct type *
283lookup_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
300struct type *
301allocate_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
a8a69e63 316/* Create a range type using either a blank type supplied in RESULT_TYPE,
ec16f701
FF
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.
a8a69e63
FF
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
325struct type *
326create_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
85f0a848 352/* Create an array type using either a blank type supplied in RESULT_TYPE,
ec16f701
FF
353 or creating a new type, inheriting the objfile from RANGE_TYPE.
354
355 Elements will be of type ELEMENT_TYPE, the indices will be of type
356 RANGE_TYPE.
1ab3bf1b 357
85f0a848
FF
358 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
359 sure it is TYPE_CODE_UNDEF before we bash it into an array type? */
1ab3bf1b
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360
361struct type *
a8a69e63 362create_array_type (result_type, element_type, range_type)
85f0a848 363 struct type *result_type;
1ab3bf1b 364 struct type *element_type;
a8a69e63 365 struct type *range_type;
1ab3bf1b 366{
a8a69e63
FF
367 int low_bound;
368 int high_bound;
1ab3bf1b 369
a8a69e63
FF
370 if (TYPE_CODE (range_type) != TYPE_CODE_RANGE)
371 {
372 /* FIXME: We only handle range types at the moment. Complain and
373 create a dummy range type to use. */
374 warning ("internal error: array index type must be a range type");
375 range_type = lookup_fundamental_type (TYPE_OBJFILE (range_type),
376 FT_INTEGER);
377 range_type = create_range_type ((struct type *) NULL, range_type, 0, 0);
378 }
85f0a848
FF
379 if (result_type == NULL)
380 {
ec16f701 381 result_type = alloc_type (TYPE_OBJFILE (range_type));
85f0a848 382 }
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383 TYPE_CODE (result_type) = TYPE_CODE_ARRAY;
384 TYPE_TARGET_TYPE (result_type) = element_type;
a8a69e63
FF
385 low_bound = TYPE_FIELD_BITPOS (range_type, 0);
386 high_bound = TYPE_FIELD_BITPOS (range_type, 1);
85f0a848
FF
387 TYPE_LENGTH (result_type) =
388 TYPE_LENGTH (element_type) * (high_bound - low_bound + 1);
1ab3bf1b 389 TYPE_NFIELDS (result_type) = 1;
a8a69e63
FF
390 TYPE_FIELDS (result_type) =
391 (struct field *) TYPE_ALLOC (result_type, sizeof (struct field));
85f0a848 392 memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
8050a57b 393 TYPE_FIELD_TYPE (result_type, 0) = range_type;
1ab3bf1b
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394 TYPE_VPTR_FIELDNO (result_type) = -1;
395
396 return (result_type);
397}
398
c4413e2c
FF
399/* Create a string type using either a blank type supplied in RESULT_TYPE,
400 or creating a new type. String types are similar enough to array of
401 char types that we can use create_array_type to build the basic type
402 and then bash it into a string type.
403
404 For fixed length strings, the range type contains 0 as the lower
405 bound and the length of the string minus one as the upper bound.
406
407 FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
408 sure it is TYPE_CODE_UNDEF before we bash it into a string type? */
409
410struct type *
411create_string_type (result_type, range_type)
412 struct type *result_type;
413 struct type *range_type;
414{
415 result_type = create_array_type (result_type, builtin_type_char, range_type);
416 TYPE_CODE (result_type) = TYPE_CODE_STRING;
417 return (result_type);
418}
1ab3bf1b
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419
420/* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE.
421 A MEMBER is a wierd thing -- it amounts to a typed offset into
422 a struct, e.g. "an int at offset 8". A MEMBER TYPE doesn't
423 include the offset (that's the value of the MEMBER itself), but does
424 include the structure type into which it points (for some reason).
425
c2e4669f 426 When "smashing" the type, we preserve the objfile that the
1ab3bf1b 427 old type pointed to, since we aren't changing where the type is actually
c2e4669f 428 allocated. */
1ab3bf1b
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429
430void
431smash_to_member_type (type, domain, to_type)
432 struct type *type;
433 struct type *domain;
434 struct type *to_type;
435{
436 struct objfile *objfile;
437
438 objfile = TYPE_OBJFILE (type);
439
dac9734e 440 memset ((char *) type, 0, sizeof (struct type));
1ab3bf1b
JG
441 TYPE_OBJFILE (type) = objfile;
442 TYPE_TARGET_TYPE (type) = to_type;
443 TYPE_DOMAIN_TYPE (type) = domain;
444 TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */
445 TYPE_CODE (type) = TYPE_CODE_MEMBER;
446}
447
448/* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE.
449 METHOD just means `function that gets an extra "this" argument'.
450
c2e4669f 451 When "smashing" the type, we preserve the objfile that the
1ab3bf1b 452 old type pointed to, since we aren't changing where the type is actually
c2e4669f 453 allocated. */
1ab3bf1b
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454
455void
456smash_to_method_type (type, domain, to_type, args)
457 struct type *type;
458 struct type *domain;
459 struct type *to_type;
460 struct type **args;
461{
462 struct objfile *objfile;
463
464 objfile = TYPE_OBJFILE (type);
465
dac9734e 466 memset ((char *) type, 0, sizeof (struct type));
1ab3bf1b
JG
467 TYPE_OBJFILE (type) = objfile;
468 TYPE_TARGET_TYPE (type) = to_type;
469 TYPE_DOMAIN_TYPE (type) = domain;
470 TYPE_ARG_TYPES (type) = args;
471 TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */
472 TYPE_CODE (type) = TYPE_CODE_METHOD;
473}
474
b2bebdb0
JK
475/* Return a typename for a struct/union/enum type without "struct ",
476 "union ", or "enum ". If the type has a NULL name, return NULL. */
1ab3bf1b
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477
478char *
479type_name_no_tag (type)
480 register const struct type *type;
481{
b2bebdb0
JK
482 if (TYPE_TAG_NAME (type) != NULL)
483 return TYPE_TAG_NAME (type);
1ab3bf1b 484
b2bebdb0
JK
485 /* Is there code which expects this to return the name if there is no
486 tag name? My guess is that this is mainly used for C++ in cases where
487 the two will always be the same. */
488 return TYPE_NAME (type);
1ab3bf1b
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489}
490
491/* Lookup a primitive type named NAME.
492 Return zero if NAME is not a primitive type.*/
493
494struct type *
495lookup_primitive_typename (name)
496 char *name;
497{
498 struct type ** const *p;
499
500 for (p = current_language -> la_builtin_type_vector; *p != NULL; p++)
501 {
2e4964ad 502 if (STREQ ((**p) -> name, name))
1ab3bf1b
JG
503 {
504 return (**p);
505 }
506 }
507 return (NULL);
508}
509
510/* Lookup a typedef or primitive type named NAME,
511 visible in lexical block BLOCK.
512 If NOERR is nonzero, return zero if NAME is not suitably defined. */
513
514struct type *
515lookup_typename (name, block, noerr)
516 char *name;
517 struct block *block;
518 int noerr;
519{
520 register struct symbol *sym;
521 register struct type *tmp;
522
523 sym = lookup_symbol (name, block, VAR_NAMESPACE, 0, (struct symtab **) NULL);
524 if (sym == NULL || SYMBOL_CLASS (sym) != LOC_TYPEDEF)
525 {
526 tmp = lookup_primitive_typename (name);
527 if (tmp)
528 {
529 return (tmp);
530 }
531 else if (!tmp && noerr)
532 {
533 return (NULL);
534 }
535 else
536 {
537 error ("No type named %s.", name);
538 }
539 }
540 return (SYMBOL_TYPE (sym));
541}
542
543struct type *
544lookup_unsigned_typename (name)
545 char *name;
546{
547 char *uns = alloca (strlen (name) + 10);
548
549 strcpy (uns, "unsigned ");
550 strcpy (uns + 9, name);
551 return (lookup_typename (uns, (struct block *) NULL, 0));
552}
553
a252e715
PB
554struct type *
555lookup_signed_typename (name)
556 char *name;
557{
558 struct type *t;
559 char *uns = alloca (strlen (name) + 8);
560
561 strcpy (uns, "signed ");
562 strcpy (uns + 7, name);
563 t = lookup_typename (uns, (struct block *) NULL, 1);
564 /* If we don't find "signed FOO" just try again with plain "FOO". */
565 if (t != NULL)
566 return t;
567 return lookup_typename (name, (struct block *) NULL, 0);
568}
569
1ab3bf1b
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570/* Lookup a structure type named "struct NAME",
571 visible in lexical block BLOCK. */
572
573struct type *
574lookup_struct (name, block)
575 char *name;
576 struct block *block;
577{
578 register struct symbol *sym;
579
580 sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0,
581 (struct symtab **) NULL);
582
583 if (sym == NULL)
584 {
585 error ("No struct type named %s.", name);
586 }
2640f7e1
JG
587 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT)
588 {
589 error ("This context has class, union or enum %s, not a struct.", name);
590 }
591 return (SYMBOL_TYPE (sym));
1ab3bf1b
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592}
593
594/* Lookup a union type named "union NAME",
595 visible in lexical block BLOCK. */
596
597struct type *
598lookup_union (name, block)
599 char *name;
600 struct block *block;
601{
602 register struct symbol *sym;
603
604 sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0,
605 (struct symtab **) NULL);
606
607 if (sym == NULL)
608 {
609 error ("No union type named %s.", name);
610 }
2640f7e1
JG
611 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_UNION)
612 {
613 error ("This context has class, struct or enum %s, not a union.", name);
614 }
615 return (SYMBOL_TYPE (sym));
1ab3bf1b
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616}
617
618/* Lookup an enum type named "enum NAME",
619 visible in lexical block BLOCK. */
620
621struct type *
622lookup_enum (name, block)
623 char *name;
624 struct block *block;
625{
626 register struct symbol *sym;
627
628 sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0,
629 (struct symtab **) NULL);
630 if (sym == NULL)
631 {
632 error ("No enum type named %s.", name);
633 }
2640f7e1
JG
634 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_ENUM)
635 {
636 error ("This context has class, struct or union %s, not an enum.", name);
637 }
638 return (SYMBOL_TYPE (sym));
1ab3bf1b
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639}
640
641/* Lookup a template type named "template NAME<TYPE>",
642 visible in lexical block BLOCK. */
643
644struct type *
645lookup_template_type (name, type, block)
646 char *name;
647 struct type *type;
648 struct block *block;
649{
650 struct symbol *sym;
651 char *nam = (char*) alloca(strlen(name) + strlen(type->name) + 4);
652 strcpy (nam, name);
653 strcat (nam, "<");
654 strcat (nam, type->name);
655 strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */
656
657 sym = lookup_symbol (nam, block, VAR_NAMESPACE, 0, (struct symtab **)NULL);
658
659 if (sym == NULL)
660 {
661 error ("No template type named %s.", name);
662 }
663 if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT)
664 {
665 error ("This context has class, union or enum %s, not a struct.", name);
666 }
667 return (SYMBOL_TYPE (sym));
668}
669
edf67bd1 670/* Given a type TYPE, lookup the type of the component of type named NAME.
45364c8a
FF
671
672 TYPE can be either a struct or union, or a pointer or reference to a struct or
673 union. If it is a pointer or reference, its target type is automatically used.
674 Thus '.' and '->' are interchangable, as specified for the definitions of the
675 expression element types STRUCTOP_STRUCT and STRUCTOP_PTR.
676
edf67bd1
MT
677 If NOERR is nonzero, return zero if NAME is not suitably defined.
678 If NAME is the name of a baseclass type, return that type. */
1ab3bf1b
JG
679
680struct type *
681lookup_struct_elt_type (type, name, noerr)
682 struct type *type;
683 char *name;
684 int noerr;
685{
686 int i;
687
624456be 688 while (TYPE_CODE (type) == TYPE_CODE_PTR ||
5c5b5d4b
PB
689 TYPE_CODE (type) == TYPE_CODE_REF)
690 type = TYPE_TARGET_TYPE (type);
691
1ab3bf1b
JG
692 if (TYPE_CODE (type) != TYPE_CODE_STRUCT &&
693 TYPE_CODE (type) != TYPE_CODE_UNION)
694 {
695 target_terminal_ours ();
199b2450
TL
696 gdb_flush (gdb_stdout);
697 fprintf_unfiltered (gdb_stderr, "Type ");
698 type_print (type, "", gdb_stderr, -1);
1ab3bf1b
JG
699 error (" is not a structure or union type.");
700 }
701
702 check_stub_type (type);
703
45364c8a
FF
704#if 0
705 /* FIXME: This change put in by Michael seems incorrect for the case where
706 the structure tag name is the same as the member name. I.E. when doing
707 "ptype bell->bar" for "struct foo { int bar; int foo; } bell;"
708 Disabled by fnf. */
e7bf1152
RP
709 {
710 char *typename;
711
712 typename = type_name_no_tag (type);
713 if (typename != NULL && STREQ (typename, name))
714 return type;
715 }
45364c8a 716#endif
edf67bd1 717
1ab3bf1b
JG
718 for (i = TYPE_NFIELDS (type) - 1; i >= TYPE_N_BASECLASSES (type); i--)
719 {
720 char *t_field_name = TYPE_FIELD_NAME (type, i);
721
2e4964ad 722 if (t_field_name && STREQ (t_field_name, name))
1ab3bf1b
JG
723 {
724 return TYPE_FIELD_TYPE (type, i);
725 }
726 }
727
728 /* OK, it's not in this class. Recursively check the baseclasses. */
729 for (i = TYPE_N_BASECLASSES (type) - 1; i >= 0; i--)
730 {
731 struct type *t;
732
d112a0c6 733 t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, noerr);
1ab3bf1b
JG
734 if (t != NULL)
735 {
736 return t;
737 }
738 }
739
740 if (noerr)
741 {
742 return NULL;
743 }
744
745 target_terminal_ours ();
199b2450
TL
746 gdb_flush (gdb_stdout);
747 fprintf_unfiltered (gdb_stderr, "Type ");
748 type_print (type, "", gdb_stderr, -1);
749 fprintf_unfiltered (gdb_stderr, " has no component named ");
750 fputs_filtered (name, gdb_stderr);
1ab3bf1b
JG
751 error (".");
752 return (struct type *)-1; /* For lint */
753}
754
ac88287f
JK
755/* If possible, make the vptr_fieldno and vptr_basetype fields of TYPE
756 valid. Callers should be aware that in some cases (for example,
757 the type or one of its baseclasses is a stub type and we are
758 debugging a .o file), this function will not be able to find the virtual
759 function table pointer, and vptr_fieldno will remain -1 and vptr_basetype
760 will remain NULL. */
1ab3bf1b
JG
761
762void
763fill_in_vptr_fieldno (type)
764 struct type *type;
765{
ac88287f
JK
766 check_stub_type (type);
767
1ab3bf1b
JG
768 if (TYPE_VPTR_FIELDNO (type) < 0)
769 {
770 int i;
edf67bd1
MT
771
772 /* We must start at zero in case the first (and only) baseclass is
773 virtual (and hence we cannot share the table pointer). */
774 for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
1ab3bf1b
JG
775 {
776 fill_in_vptr_fieldno (TYPE_BASECLASS (type, i));
777 if (TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, i)) >= 0)
778 {
779 TYPE_VPTR_FIELDNO (type)
780 = TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, i));
781 TYPE_VPTR_BASETYPE (type)
782 = TYPE_VPTR_BASETYPE (TYPE_BASECLASS (type, i));
783 break;
784 }
785 }
786 }
787}
788
789/* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989.
790
791 If this is a stubbed struct (i.e. declared as struct foo *), see if
792 we can find a full definition in some other file. If so, copy this
dda398c3
JK
793 definition, so we can use it in future. There used to be a comment (but
794 not any code) that if we don't find a full definition, we'd set a flag
795 so we don't spend time in the future checking the same type. That would
796 be a mistake, though--we might load in more symbols which contain a
797 full definition for the type.
1ab3bf1b
JG
798
799 This used to be coded as a macro, but I don't think it is called
dda398c3 800 often enough to merit such treatment. */
1ab3bf1b
JG
801
802struct complaint stub_noname_complaint =
803 {"stub type has NULL name", 0, 0};
804
805void
806check_stub_type (type)
807 struct type *type;
808{
809 if (TYPE_FLAGS(type) & TYPE_FLAG_STUB)
810 {
811 char* name = type_name_no_tag (type);
065525e3
JK
812 /* FIXME: shouldn't we separately check the TYPE_NAME and the
813 TYPE_TAG_NAME, and look in STRUCT_NAMESPACE and/or VAR_NAMESPACE
814 as appropriate? (this code was written before TYPE_NAME and
815 TYPE_TAG_NAME were separate). */
1ab3bf1b
JG
816 struct symbol *sym;
817 if (name == NULL)
818 {
51b80b00 819 complain (&stub_noname_complaint);
1ab3bf1b
JG
820 return;
821 }
822 sym = lookup_symbol (name, 0, STRUCT_NAMESPACE, 0,
823 (struct symtab **) NULL);
824 if (sym)
825 {
dda398c3
JK
826 memcpy ((char *)type,
827 (char *)SYMBOL_TYPE(sym),
828 sizeof (struct type));
829 }
830 }
831
832 if (TYPE_FLAGS (type) & TYPE_FLAG_TARGET_STUB)
833 {
834 struct type *range_type;
835
836 check_stub_type (TYPE_TARGET_TYPE (type));
837 if (!(TYPE_FLAGS (TYPE_TARGET_TYPE (type)) & TYPE_FLAG_STUB)
838 && TYPE_CODE (type) == TYPE_CODE_ARRAY
839 && TYPE_NFIELDS (type) == 1
840 && (TYPE_CODE (range_type = TYPE_FIELD_TYPE (type, 0))
841 == TYPE_CODE_RANGE))
842 {
843 /* Now recompute the length of the array type, based on its
844 number of elements and the target type's length. */
845 TYPE_LENGTH (type) =
846 ((TYPE_FIELD_BITPOS (range_type, 1)
847 - TYPE_FIELD_BITPOS (range_type, 0)
848 + 1)
849 * TYPE_LENGTH (TYPE_TARGET_TYPE (type)));
850 TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB;
1ab3bf1b
JG
851 }
852 }
853}
854
855/* Ugly hack to convert method stubs into method types.
856
857 He ain't kiddin'. This demangles the name of the method into a string
858 including argument types, parses out each argument type, generates
859 a string casting a zero to that type, evaluates the string, and stuffs
860 the resulting type into an argtype vector!!! Then it knows the type
861 of the whole function (including argument types for overloading),
862 which info used to be in the stab's but was removed to hack back
863 the space required for them. */
864
865void
866check_stub_method (type, i, j)
867 struct type *type;
868 int i;
869 int j;
870{
871 struct fn_field *f;
872 char *mangled_name = gdb_mangle_name (type, i, j);
8050a57b
FF
873 char *demangled_name = cplus_demangle (mangled_name,
874 DMGL_PARAMS | DMGL_ANSI);
1ab3bf1b
JG
875 char *argtypetext, *p;
876 int depth = 0, argcount = 1;
877 struct type **argtypes;
878 struct type *mtype;
879
880 if (demangled_name == NULL)
881 {
882 error ("Internal: Cannot demangle mangled name `%s'.", mangled_name);
883 }
884
885 /* Now, read in the parameters that define this type. */
886 argtypetext = strchr (demangled_name, '(') + 1;
887 p = argtypetext;
888 while (*p)
889 {
890 if (*p == '(')
891 {
892 depth += 1;
893 }
894 else if (*p == ')')
895 {
896 depth -= 1;
897 }
898 else if (*p == ',' && depth == 0)
899 {
900 argcount += 1;
901 }
902
903 p += 1;
904 }
905
906 /* We need two more slots: one for the THIS pointer, and one for the
907 NULL [...] or void [end of arglist]. */
908
909 argtypes = (struct type **)
dac9734e 910 TYPE_ALLOC (type, (argcount + 2) * sizeof (struct type *));
1ab3bf1b
JG
911 p = argtypetext;
912 argtypes[0] = lookup_pointer_type (type);
913 argcount = 1;
914
915 if (*p != ')') /* () means no args, skip while */
916 {
917 depth = 0;
918 while (*p)
919 {
920 if (depth <= 0 && (*p == ',' || *p == ')'))
921 {
922 argtypes[argcount] =
923 parse_and_eval_type (argtypetext, p - argtypetext);
924 argcount += 1;
925 argtypetext = p + 1;
926 }
927
928 if (*p == '(')
929 {
930 depth += 1;
931 }
932 else if (*p == ')')
933 {
934 depth -= 1;
935 }
936
937 p += 1;
938 }
939 }
940
c0f1085b 941 if (p[-2] != '.') /* Not '...' */
1ab3bf1b 942 {
c0f1085b 943 argtypes[argcount] = builtin_type_void; /* List terminator */
1ab3bf1b
JG
944 }
945 else
946 {
c0f1085b 947 argtypes[argcount] = NULL; /* Ellist terminator */
1ab3bf1b
JG
948 }
949
950 free (demangled_name);
951
952 f = TYPE_FN_FIELDLIST1 (type, i);
953 TYPE_FN_FIELD_PHYSNAME (f, j) = mangled_name;
954
955 /* Now update the old "stub" type into a real type. */
956 mtype = TYPE_FN_FIELD_TYPE (f, j);
957 TYPE_DOMAIN_TYPE (mtype) = type;
958 TYPE_ARG_TYPES (mtype) = argtypes;
959 TYPE_FLAGS (mtype) &= ~TYPE_FLAG_STUB;
960 TYPE_FN_FIELD_STUB (f, j) = 0;
961}
962
0213d96f 963const struct cplus_struct_type cplus_struct_default;
1ab3bf1b
JG
964
965void
966allocate_cplus_struct_type (type)
967 struct type *type;
968{
969 if (!HAVE_CPLUS_STRUCT (type))
970 {
971 TYPE_CPLUS_SPECIFIC (type) = (struct cplus_struct_type *)
dac9734e 972 TYPE_ALLOC (type, sizeof (struct cplus_struct_type));
1ab3bf1b
JG
973 *(TYPE_CPLUS_SPECIFIC(type)) = cplus_struct_default;
974 }
975}
976
50e0dc41
FF
977/* Helper function to initialize the standard scalar types.
978
979 If NAME is non-NULL and OBJFILE is non-NULL, then we make a copy
980 of the string pointed to by name in the type_obstack for that objfile,
981 and initialize the type name to that copy. There are places (mipsread.c
982 in particular, where init_type is called with a NULL value for NAME). */
1ab3bf1b
JG
983
984struct type *
985init_type (code, length, flags, name, objfile)
986 enum type_code code;
987 int length;
988 int flags;
989 char *name;
990 struct objfile *objfile;
991{
992 register struct type *type;
993
994 type = alloc_type (objfile);
995 TYPE_CODE (type) = code;
996 TYPE_LENGTH (type) = length;
997 TYPE_FLAGS (type) |= flags;
50e0dc41
FF
998 if ((name != NULL) && (objfile != NULL))
999 {
1000 TYPE_NAME (type) =
1001 obsavestring (name, strlen (name), &objfile -> type_obstack);
1002 }
1003 else
1004 {
1005 TYPE_NAME (type) = name;
1006 }
1ab3bf1b
JG
1007
1008 /* C++ fancies. */
1009
1010 if (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION)
1011 {
1012 INIT_CPLUS_SPECIFIC (type);
1013 }
1014 return (type);
1015}
1016
1017/* Look up a fundamental type for the specified objfile.
1018 May need to construct such a type if this is the first use.
1019
1020 Some object file formats (ELF, COFF, etc) do not define fundamental
1021 types such as "int" or "double". Others (stabs for example), do
1022 define fundamental types.
1023
1024 For the formats which don't provide fundamental types, gdb can create
bf229b4e
FF
1025 such types, using defaults reasonable for the current language and
1026 the current target machine.
1027
1028 NOTE: This routine is obsolescent. Each debugging format reader
1029 should manage it's own fundamental types, either creating them from
1030 suitable defaults or reading them from the debugging information,
1031 whichever is appropriate. The DWARF reader has already been
1032 fixed to do this. Once the other readers are fixed, this routine
1033 will go away. Also note that fundamental types should be managed
1034 on a compilation unit basis in a multi-language environment, not
1035 on a linkage unit basis as is done here. */
1036
1ab3bf1b
JG
1037
1038struct type *
1039lookup_fundamental_type (objfile, typeid)
1040 struct objfile *objfile;
1041 int typeid;
1042{
1ab3bf1b
JG
1043 register struct type **typep;
1044 register int nbytes;
1045
1046 if (typeid < 0 || typeid >= FT_NUM_MEMBERS)
1047 {
1048 error ("internal error - invalid fundamental type id %d", typeid);
1049 }
bf229b4e
FF
1050
1051 /* If this is the first time we need a fundamental type for this objfile
1052 then we need to initialize the vector of type pointers. */
1053
1054 if (objfile -> fundamental_types == NULL)
1ab3bf1b 1055 {
bf229b4e
FF
1056 nbytes = FT_NUM_MEMBERS * sizeof (struct type *);
1057 objfile -> fundamental_types = (struct type **)
1058 obstack_alloc (&objfile -> type_obstack, nbytes);
1059 memset ((char *) objfile -> fundamental_types, 0, nbytes);
1ab3bf1b 1060 }
bf229b4e
FF
1061
1062 /* Look for this particular type in the fundamental type vector. If one is
1063 not found, create and install one appropriate for the current language. */
1064
1065 typep = objfile -> fundamental_types + typeid;
1066 if (*typep == NULL)
1067 {
1068 *typep = create_fundamental_type (objfile, typeid);
1069 }
1070
1071 return (*typep);
1ab3bf1b
JG
1072}
1073
0239d9b3
FF
1074#if MAINTENANCE_CMDS
1075
8050a57b
FF
1076static void
1077print_bit_vector (bits, nbits)
1078 B_TYPE *bits;
1079 int nbits;
0239d9b3 1080{
8050a57b
FF
1081 int bitno;
1082
1083 for (bitno = 0; bitno < nbits; bitno++)
0239d9b3 1084 {
8050a57b
FF
1085 if ((bitno % 8) == 0)
1086 {
1087 puts_filtered (" ");
1088 }
1089 if (B_TST (bits, bitno))
1090 {
1091 printf_filtered ("1");
1092 }
1093 else
1094 {
1095 printf_filtered ("0");
1096 }
0239d9b3 1097 }
8050a57b
FF
1098}
1099
c0f1085b
FF
1100/* The args list is a strange beast. It is either terminated by a NULL
1101 pointer for varargs functions, or by a pointer to a TYPE_CODE_VOID
1102 type for normal fixed argcount functions. (FIXME someday)
1103 Also note the first arg should be the "this" pointer, we may not want to
1104 include it since we may get into a infinitely recursive situation. */
1105
1106static void
1107print_arg_types (args, spaces)
1108 struct type **args;
1109 int spaces;
1110{
1111 if (args != NULL)
1112 {
1113 while (*args != NULL)
1114 {
1115 recursive_dump_type (*args, spaces + 2);
1116 if ((*args++) -> code == TYPE_CODE_VOID)
1117 {
1118 break;
1119 }
1120 }
1121 }
1122}
1123
1124static void
1125dump_fn_fieldlists (type, spaces)
1126 struct type *type;
1127 int spaces;
1128{
1129 int method_idx;
1130 int overload_idx;
1131 struct fn_field *f;
1132
5573d7d4
JK
1133 printfi_filtered (spaces, "fn_fieldlists 0x%lx\n",
1134 (unsigned long) TYPE_FN_FIELDLISTS (type));
c0f1085b
FF
1135 for (method_idx = 0; method_idx < TYPE_NFN_FIELDS (type); method_idx++)
1136 {
1137 f = TYPE_FN_FIELDLIST1 (type, method_idx);
5573d7d4 1138 printfi_filtered (spaces + 2, "[%d] name '%s' (0x%lx) length %d\n",
c0f1085b
FF
1139 method_idx,
1140 TYPE_FN_FIELDLIST_NAME (type, method_idx),
5573d7d4 1141 (unsigned long) TYPE_FN_FIELDLIST_NAME (type, method_idx),
c0f1085b
FF
1142 TYPE_FN_FIELDLIST_LENGTH (type, method_idx));
1143 for (overload_idx = 0;
1144 overload_idx < TYPE_FN_FIELDLIST_LENGTH (type, method_idx);
1145 overload_idx++)
1146 {
5573d7d4 1147 printfi_filtered (spaces + 4, "[%d] physname '%s' (0x%lx)\n",
c0f1085b
FF
1148 overload_idx,
1149 TYPE_FN_FIELD_PHYSNAME (f, overload_idx),
5573d7d4
JK
1150 (unsigned long) TYPE_FN_FIELD_PHYSNAME (f, overload_idx));
1151 printfi_filtered (spaces + 8, "type 0x%lx\n",
1152 (unsigned long) TYPE_FN_FIELD_TYPE (f, overload_idx));
c0f1085b
FF
1153 recursive_dump_type (TYPE_FN_FIELD_TYPE (f, overload_idx),
1154 spaces + 8 + 2);
5573d7d4
JK
1155 printfi_filtered (spaces + 8, "args 0x%lx\n",
1156 (unsigned long) TYPE_FN_FIELD_ARGS (f, overload_idx));
c0f1085b 1157 print_arg_types (TYPE_FN_FIELD_ARGS (f, overload_idx), spaces);
5573d7d4
JK
1158 printfi_filtered (spaces + 8, "fcontext 0x%lx\n",
1159 (unsigned long) TYPE_FN_FIELD_FCONTEXT (f, overload_idx));
c0f1085b
FF
1160 printfi_filtered (spaces + 8, "is_const %d\n",
1161 TYPE_FN_FIELD_CONST (f, overload_idx));
1162 printfi_filtered (spaces + 8, "is_volatile %d\n",
1163 TYPE_FN_FIELD_VOLATILE (f, overload_idx));
1164 printfi_filtered (spaces + 8, "is_private %d\n",
1165 TYPE_FN_FIELD_PRIVATE (f, overload_idx));
1166 printfi_filtered (spaces + 8, "is_protected %d\n",
1167 TYPE_FN_FIELD_PROTECTED (f, overload_idx));
1168 printfi_filtered (spaces + 8, "is_stub %d\n",
1169 TYPE_FN_FIELD_STUB (f, overload_idx));
d07734e3 1170 printfi_filtered (spaces + 8, "voffset %u\n",
c0f1085b
FF
1171 TYPE_FN_FIELD_VOFFSET (f, overload_idx));
1172 }
1173 }
1174}
1175
8050a57b
FF
1176static void
1177print_cplus_stuff (type, spaces)
1178 struct type *type;
1179 int spaces;
1180{
c0f1085b 1181 printfi_filtered (spaces, "n_baseclasses %d\n",
8050a57b 1182 TYPE_N_BASECLASSES (type));
c0f1085b
FF
1183 printfi_filtered (spaces, "nfn_fields %d\n",
1184 TYPE_NFN_FIELDS (type));
1185 printfi_filtered (spaces, "nfn_fields_total %d\n",
1186 TYPE_NFN_FIELDS_TOTAL (type));
8050a57b 1187 if (TYPE_N_BASECLASSES (type) > 0)
0239d9b3 1188 {
5573d7d4 1189 printfi_filtered (spaces, "virtual_field_bits (%d bits at *0x%lx)",
8050a57b 1190 TYPE_N_BASECLASSES (type),
5573d7d4 1191 (unsigned long) TYPE_FIELD_VIRTUAL_BITS (type));
8050a57b
FF
1192 print_bit_vector (TYPE_FIELD_VIRTUAL_BITS (type),
1193 TYPE_N_BASECLASSES (type));
1194 puts_filtered ("\n");
0239d9b3 1195 }
8050a57b 1196 if (TYPE_NFIELDS (type) > 0)
0239d9b3 1197 {
8050a57b
FF
1198 if (TYPE_FIELD_PRIVATE_BITS (type) != NULL)
1199 {
5573d7d4 1200 printfi_filtered (spaces, "private_field_bits (%d bits at *0x%lx)",
8050a57b 1201 TYPE_NFIELDS (type),
5573d7d4 1202 (unsigned long) TYPE_FIELD_PRIVATE_BITS (type));
8050a57b
FF
1203 print_bit_vector (TYPE_FIELD_PRIVATE_BITS (type),
1204 TYPE_NFIELDS (type));
1205 puts_filtered ("\n");
1206 }
1207 if (TYPE_FIELD_PROTECTED_BITS (type) != NULL)
0239d9b3 1208 {
5573d7d4 1209 printfi_filtered (spaces, "protected_field_bits (%d bits at *0x%lx)",
8050a57b 1210 TYPE_NFIELDS (type),
5573d7d4 1211 (unsigned long) TYPE_FIELD_PROTECTED_BITS (type));
8050a57b
FF
1212 print_bit_vector (TYPE_FIELD_PROTECTED_BITS (type),
1213 TYPE_NFIELDS (type));
1214 puts_filtered ("\n");
0239d9b3
FF
1215 }
1216 }
c0f1085b
FF
1217 if (TYPE_NFN_FIELDS (type) > 0)
1218 {
1219 dump_fn_fieldlists (type, spaces);
1220 }
8050a57b
FF
1221}
1222
1223void
1224recursive_dump_type (type, spaces)
1225 struct type *type;
1226 int spaces;
1227{
1228 int idx;
0239d9b3 1229
85999c05
PS
1230 printfi_filtered (spaces, "type node 0x%lx\n", (unsigned long)type);
1231 printfi_filtered (spaces, "name '%s' (0x%lx)\n",
1232 TYPE_NAME (type) ? TYPE_NAME (type) : "<NULL>",
1233 (unsigned long)TYPE_NAME (type));
1234 if (TYPE_TAG_NAME (type) != NULL)
1235 printfi_filtered (spaces, "tagname '%s' (0x%lx)\n",
1236 TYPE_TAG_NAME (type),
1237 (unsigned long)TYPE_TAG_NAME (type));
c0f1085b 1238 printfi_filtered (spaces, "code 0x%x ", TYPE_CODE (type));
8050a57b 1239 switch (TYPE_CODE (type))
0239d9b3 1240 {
8050a57b 1241 case TYPE_CODE_UNDEF:
c0f1085b 1242 printf_filtered ("(TYPE_CODE_UNDEF)");
8050a57b
FF
1243 break;
1244 case TYPE_CODE_PTR:
c0f1085b 1245 printf_filtered ("(TYPE_CODE_PTR)");
8050a57b
FF
1246 break;
1247 case TYPE_CODE_ARRAY:
c0f1085b 1248 printf_filtered ("(TYPE_CODE_ARRAY)");
8050a57b
FF
1249 break;
1250 case TYPE_CODE_STRUCT:
c0f1085b 1251 printf_filtered ("(TYPE_CODE_STRUCT)");
8050a57b
FF
1252 break;
1253 case TYPE_CODE_UNION:
c0f1085b 1254 printf_filtered ("(TYPE_CODE_UNION)");
8050a57b
FF
1255 break;
1256 case TYPE_CODE_ENUM:
c0f1085b 1257 printf_filtered ("(TYPE_CODE_ENUM)");
8050a57b
FF
1258 break;
1259 case TYPE_CODE_FUNC:
c0f1085b 1260 printf_filtered ("(TYPE_CODE_FUNC)");
8050a57b
FF
1261 break;
1262 case TYPE_CODE_INT:
c0f1085b 1263 printf_filtered ("(TYPE_CODE_INT)");
8050a57b
FF
1264 break;
1265 case TYPE_CODE_FLT:
c0f1085b 1266 printf_filtered ("(TYPE_CODE_FLT)");
8050a57b
FF
1267 break;
1268 case TYPE_CODE_VOID:
c0f1085b 1269 printf_filtered ("(TYPE_CODE_VOID)");
8050a57b
FF
1270 break;
1271 case TYPE_CODE_SET:
c0f1085b 1272 printf_filtered ("(TYPE_CODE_SET)");
8050a57b
FF
1273 break;
1274 case TYPE_CODE_RANGE:
c0f1085b 1275 printf_filtered ("(TYPE_CODE_RANGE)");
8050a57b 1276 break;
c4413e2c
FF
1277 case TYPE_CODE_STRING:
1278 printf_filtered ("(TYPE_CODE_STRING)");
8050a57b
FF
1279 break;
1280 case TYPE_CODE_ERROR:
c0f1085b 1281 printf_filtered ("(TYPE_CODE_ERROR)");
8050a57b
FF
1282 break;
1283 case TYPE_CODE_MEMBER:
c0f1085b 1284 printf_filtered ("(TYPE_CODE_MEMBER)");
8050a57b
FF
1285 break;
1286 case TYPE_CODE_METHOD:
c0f1085b 1287 printf_filtered ("(TYPE_CODE_METHOD)");
8050a57b
FF
1288 break;
1289 case TYPE_CODE_REF:
c0f1085b 1290 printf_filtered ("(TYPE_CODE_REF)");
8050a57b
FF
1291 break;
1292 case TYPE_CODE_CHAR:
c0f1085b 1293 printf_filtered ("(TYPE_CODE_CHAR)");
8050a57b
FF
1294 break;
1295 case TYPE_CODE_BOOL:
c0f1085b 1296 printf_filtered ("(TYPE_CODE_BOOL)");
8050a57b
FF
1297 break;
1298 default:
c0f1085b 1299 printf_filtered ("(UNKNOWN TYPE CODE)");
8050a57b 1300 break;
0239d9b3 1301 }
8050a57b 1302 puts_filtered ("\n");
c0f1085b 1303 printfi_filtered (spaces, "length %d\n", TYPE_LENGTH (type));
5573d7d4
JK
1304 printfi_filtered (spaces, "objfile 0x%lx\n",
1305 (unsigned long) TYPE_OBJFILE (type));
1306 printfi_filtered (spaces, "target_type 0x%lx\n",
1307 (unsigned long) TYPE_TARGET_TYPE (type));
8050a57b
FF
1308 if (TYPE_TARGET_TYPE (type) != NULL)
1309 {
1310 recursive_dump_type (TYPE_TARGET_TYPE (type), spaces + 2);
1311 }
5573d7d4
JK
1312 printfi_filtered (spaces, "pointer_type 0x%lx\n",
1313 (unsigned long) TYPE_POINTER_TYPE (type));
1314 printfi_filtered (spaces, "reference_type 0x%lx\n",
1315 (unsigned long) TYPE_REFERENCE_TYPE (type));
1316 printfi_filtered (spaces, "function_type 0x%lx\n",
1317 (unsigned long) TYPE_FUNCTION_TYPE (type));
c0f1085b 1318 printfi_filtered (spaces, "flags 0x%x", TYPE_FLAGS (type));
8050a57b
FF
1319 if (TYPE_FLAGS (type) & TYPE_FLAG_UNSIGNED)
1320 {
1321 puts_filtered (" TYPE_FLAG_UNSIGNED");
1322 }
8050a57b
FF
1323 if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
1324 {
1325 puts_filtered (" TYPE_FLAG_STUB");
1326 }
1327 puts_filtered ("\n");
5573d7d4
JK
1328 printfi_filtered (spaces, "nfields %d 0x%lx\n", TYPE_NFIELDS (type),
1329 (unsigned long) TYPE_FIELDS (type));
8050a57b
FF
1330 for (idx = 0; idx < TYPE_NFIELDS (type); idx++)
1331 {
1332 printfi_filtered (spaces + 2,
5573d7d4 1333 "[%d] bitpos %d bitsize %d type 0x%lx name '%s' (0x%lx)\n",
8050a57b
FF
1334 idx, TYPE_FIELD_BITPOS (type, idx),
1335 TYPE_FIELD_BITSIZE (type, idx),
5573d7d4 1336 (unsigned long) TYPE_FIELD_TYPE (type, idx),
8050a57b
FF
1337 TYPE_FIELD_NAME (type, idx) != NULL
1338 ? TYPE_FIELD_NAME (type, idx)
5573d7d4
JK
1339 : "<NULL>",
1340 (unsigned long) TYPE_FIELD_NAME (type, idx));
8050a57b
FF
1341 if (TYPE_FIELD_TYPE (type, idx) != NULL)
1342 {
1343 recursive_dump_type (TYPE_FIELD_TYPE (type, idx), spaces + 4);
1344 }
1345 }
5573d7d4
JK
1346 printfi_filtered (spaces, "vptr_basetype 0x%lx\n",
1347 (unsigned long) TYPE_VPTR_BASETYPE (type));
8050a57b
FF
1348 if (TYPE_VPTR_BASETYPE (type) != NULL)
1349 {
1350 recursive_dump_type (TYPE_VPTR_BASETYPE (type), spaces + 2);
1351 }
c0f1085b 1352 printfi_filtered (spaces, "vptr_fieldno %d\n", TYPE_VPTR_FIELDNO (type));
8050a57b 1353 switch (TYPE_CODE (type))
0239d9b3
FF
1354 {
1355 case TYPE_CODE_METHOD:
1356 case TYPE_CODE_FUNC:
5573d7d4
JK
1357 printfi_filtered (spaces, "arg_types 0x%lx\n",
1358 (unsigned long) TYPE_ARG_TYPES (type));
c0f1085b 1359 print_arg_types (TYPE_ARG_TYPES (type), spaces);
0239d9b3
FF
1360 break;
1361
1362 case TYPE_CODE_STRUCT:
5573d7d4
JK
1363 printfi_filtered (spaces, "cplus_stuff 0x%lx\n",
1364 (unsigned long) TYPE_CPLUS_SPECIFIC (type));
8050a57b 1365 print_cplus_stuff (type, spaces);
0239d9b3 1366 break;
d07734e3
FF
1367
1368 default:
1369 /* We have to pick one of the union types to be able print and test
1370 the value. Pick cplus_struct_type, even though we know it isn't
1371 any particular one. */
5573d7d4
JK
1372 printfi_filtered (spaces, "type_specific 0x%lx",
1373 (unsigned long) TYPE_CPLUS_SPECIFIC (type));
d07734e3
FF
1374 if (TYPE_CPLUS_SPECIFIC (type) != NULL)
1375 {
1376 printf_filtered (" (unknown data form)");
1377 }
1378 printf_filtered ("\n");
1379 break;
1380
0239d9b3
FF
1381 }
1382}
1383
1384#endif /* MAINTENANCE_CMDS */
c4413e2c
FF
1385
1386void
1387_initialize_gdbtypes ()
1388{
1389 builtin_type_void =
1390 init_type (TYPE_CODE_VOID, 1,
1391 0,
1392 "void", (struct objfile *) NULL);
1393 builtin_type_char =
1394 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
1395 0,
1396 "char", (struct objfile *) NULL);
1397 builtin_type_signed_char =
1398 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
dda398c3 1399 0,
c4413e2c
FF
1400 "signed char", (struct objfile *) NULL);
1401 builtin_type_unsigned_char =
1402 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
1403 TYPE_FLAG_UNSIGNED,
1404 "unsigned char", (struct objfile *) NULL);
1405 builtin_type_short =
1406 init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
1407 0,
1408 "short", (struct objfile *) NULL);
1409 builtin_type_unsigned_short =
1410 init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
1411 TYPE_FLAG_UNSIGNED,
1412 "unsigned short", (struct objfile *) NULL);
1413 builtin_type_int =
1414 init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
1415 0,
1416 "int", (struct objfile *) NULL);
1417 builtin_type_unsigned_int =
1418 init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
1419 TYPE_FLAG_UNSIGNED,
1420 "unsigned int", (struct objfile *) NULL);
1421 builtin_type_long =
1422 init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
1423 0,
1424 "long", (struct objfile *) NULL);
1425 builtin_type_unsigned_long =
1426 init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
1427 TYPE_FLAG_UNSIGNED,
1428 "unsigned long", (struct objfile *) NULL);
1429 builtin_type_long_long =
1430 init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
1431 0,
1432 "long long", (struct objfile *) NULL);
1433 builtin_type_unsigned_long_long =
1434 init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
1435 TYPE_FLAG_UNSIGNED,
1436 "unsigned long long", (struct objfile *) NULL);
1437 builtin_type_float =
1438 init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
1439 0,
1440 "float", (struct objfile *) NULL);
1441 builtin_type_double =
1442 init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
1443 0,
1444 "double", (struct objfile *) NULL);
1445 builtin_type_long_double =
1446 init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
1447 0,
1448 "long double", (struct objfile *) NULL);
1449 builtin_type_complex =
1450 init_type (TYPE_CODE_FLT, TARGET_COMPLEX_BIT / TARGET_CHAR_BIT,
1451 0,
1452 "complex", (struct objfile *) NULL);
1453 builtin_type_double_complex =
1454 init_type (TYPE_CODE_FLT, TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT,
1455 0,
1456 "double complex", (struct objfile *) NULL);
1457 builtin_type_string =
1458 init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
1459 0,
1460 "string", (struct objfile *) NULL);
1461}
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