]>
Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Support routines for manipulating internal types for GDB. |
4f2aea11 MK |
2 | |
3 | Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, | |
6aba47ca | 4 | 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
4f2aea11 | 5 | |
c906108c SS |
6 | Contributed by Cygnus Support, using pieces from other GDB modules. |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b JM |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
22 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
23 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
24 | |
25 | #include "defs.h" | |
26 | #include "gdb_string.h" | |
27 | #include "bfd.h" | |
28 | #include "symtab.h" | |
29 | #include "symfile.h" | |
30 | #include "objfiles.h" | |
31 | #include "gdbtypes.h" | |
32 | #include "expression.h" | |
33 | #include "language.h" | |
34 | #include "target.h" | |
35 | #include "value.h" | |
36 | #include "demangle.h" | |
37 | #include "complaints.h" | |
38 | #include "gdbcmd.h" | |
c91ecb25 | 39 | #include "wrapper.h" |
015a42b4 | 40 | #include "cp-abi.h" |
a02fd225 | 41 | #include "gdb_assert.h" |
ae5a43e0 | 42 | #include "hashtab.h" |
c906108c SS |
43 | |
44 | /* These variables point to the objects | |
45 | representing the predefined C data types. */ | |
46 | ||
47 | struct type *builtin_type_void; | |
48 | struct type *builtin_type_char; | |
9e0b60a8 | 49 | struct type *builtin_type_true_char; |
c906108c SS |
50 | struct type *builtin_type_short; |
51 | struct type *builtin_type_int; | |
52 | struct type *builtin_type_long; | |
53 | struct type *builtin_type_long_long; | |
54 | struct type *builtin_type_signed_char; | |
55 | struct type *builtin_type_unsigned_char; | |
56 | struct type *builtin_type_unsigned_short; | |
57 | struct type *builtin_type_unsigned_int; | |
58 | struct type *builtin_type_unsigned_long; | |
59 | struct type *builtin_type_unsigned_long_long; | |
60 | struct type *builtin_type_float; | |
61 | struct type *builtin_type_double; | |
62 | struct type *builtin_type_long_double; | |
63 | struct type *builtin_type_complex; | |
64 | struct type *builtin_type_double_complex; | |
65 | struct type *builtin_type_string; | |
449a5da4 | 66 | struct type *builtin_type_int0; |
c906108c SS |
67 | struct type *builtin_type_int8; |
68 | struct type *builtin_type_uint8; | |
69 | struct type *builtin_type_int16; | |
70 | struct type *builtin_type_uint16; | |
71 | struct type *builtin_type_int32; | |
72 | struct type *builtin_type_uint32; | |
73 | struct type *builtin_type_int64; | |
74 | struct type *builtin_type_uint64; | |
8b982acf EZ |
75 | struct type *builtin_type_int128; |
76 | struct type *builtin_type_uint128; | |
c906108c | 77 | struct type *builtin_type_bool; |
ac3aafc7 | 78 | |
8da61cc4 DJ |
79 | /* Floatformat pairs. */ |
80 | const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN] = { | |
81 | &floatformat_ieee_single_big, | |
82 | &floatformat_ieee_single_little | |
83 | }; | |
84 | const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN] = { | |
85 | &floatformat_ieee_double_big, | |
86 | &floatformat_ieee_double_little | |
87 | }; | |
88 | const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN] = { | |
89 | &floatformat_ieee_double_big, | |
90 | &floatformat_ieee_double_littlebyte_bigword | |
91 | }; | |
92 | const struct floatformat *floatformats_i387_ext[BFD_ENDIAN_UNKNOWN] = { | |
93 | &floatformat_i387_ext, | |
94 | &floatformat_i387_ext | |
95 | }; | |
96 | const struct floatformat *floatformats_m68881_ext[BFD_ENDIAN_UNKNOWN] = { | |
97 | &floatformat_m68881_ext, | |
98 | &floatformat_m68881_ext | |
99 | }; | |
100 | const struct floatformat *floatformats_arm_ext[BFD_ENDIAN_UNKNOWN] = { | |
101 | &floatformat_arm_ext_big, | |
102 | &floatformat_arm_ext_littlebyte_bigword | |
103 | }; | |
104 | const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN] = { | |
105 | &floatformat_ia64_spill_big, | |
106 | &floatformat_ia64_spill_little | |
107 | }; | |
108 | const struct floatformat *floatformats_ia64_quad[BFD_ENDIAN_UNKNOWN] = { | |
109 | &floatformat_ia64_quad_big, | |
110 | &floatformat_ia64_quad_little | |
111 | }; | |
112 | const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN] = { | |
113 | &floatformat_vax_f, | |
114 | &floatformat_vax_f | |
115 | }; | |
116 | const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN] = { | |
117 | &floatformat_vax_d, | |
118 | &floatformat_vax_d | |
119 | }; | |
120 | ||
121 | struct type *builtin_type_ieee_single; | |
122 | struct type *builtin_type_ieee_double; | |
598f52df AC |
123 | struct type *builtin_type_i387_ext; |
124 | struct type *builtin_type_m68881_ext; | |
8da61cc4 DJ |
125 | struct type *builtin_type_arm_ext; |
126 | struct type *builtin_type_ia64_spill; | |
127 | struct type *builtin_type_ia64_quad; | |
128 | ||
090a2205 | 129 | struct type *builtin_type_void_data_ptr; |
ee3a7b7f | 130 | struct type *builtin_type_void_func_ptr; |
c4093a6a | 131 | struct type *builtin_type_CORE_ADDR; |
c906108c SS |
132 | |
133 | int opaque_type_resolution = 1; | |
920d2a44 AC |
134 | static void |
135 | show_opaque_type_resolution (struct ui_file *file, int from_tty, | |
136 | struct cmd_list_element *c, const char *value) | |
137 | { | |
138 | fprintf_filtered (file, _("\ | |
139 | Resolution of opaque struct/class/union types (if set before loading symbols) is %s.\n"), | |
140 | value); | |
141 | } | |
142 | ||
5d161b24 | 143 | int overload_debug = 0; |
920d2a44 AC |
144 | static void |
145 | show_overload_debug (struct ui_file *file, int from_tty, | |
146 | struct cmd_list_element *c, const char *value) | |
147 | { | |
148 | fprintf_filtered (file, _("Debugging of C++ overloading is %s.\n"), value); | |
149 | } | |
c906108c | 150 | |
c5aa993b JM |
151 | struct extra |
152 | { | |
153 | char str[128]; | |
154 | int len; | |
8c990f3c | 155 | }; /* maximum extension is 128! FIXME */ |
c906108c | 156 | |
a14ed312 | 157 | static void print_bit_vector (B_TYPE *, int); |
ad2f7632 | 158 | static void print_arg_types (struct field *, int, int); |
a14ed312 KB |
159 | static void dump_fn_fieldlists (struct type *, int); |
160 | static void print_cplus_stuff (struct type *, int); | |
161 | static void virtual_base_list_aux (struct type *dclass); | |
7a292a7a | 162 | |
c906108c SS |
163 | |
164 | /* Alloc a new type structure and fill it with some defaults. If | |
165 | OBJFILE is non-NULL, then allocate the space for the type structure | |
b99607ea | 166 | in that objfile's objfile_obstack. Otherwise allocate the new type structure |
2fdde8f8 | 167 | by xmalloc () (for permanent types). */ |
c906108c SS |
168 | |
169 | struct type * | |
fba45db2 | 170 | alloc_type (struct objfile *objfile) |
c906108c | 171 | { |
52f0bd74 | 172 | struct type *type; |
c906108c SS |
173 | |
174 | /* Alloc the structure and start off with all fields zeroed. */ | |
175 | ||
176 | if (objfile == NULL) | |
177 | { | |
2fdde8f8 DJ |
178 | type = xmalloc (sizeof (struct type)); |
179 | memset (type, 0, sizeof (struct type)); | |
180 | TYPE_MAIN_TYPE (type) = xmalloc (sizeof (struct main_type)); | |
c906108c SS |
181 | } |
182 | else | |
183 | { | |
b99607ea | 184 | type = obstack_alloc (&objfile->objfile_obstack, |
2fdde8f8 DJ |
185 | sizeof (struct type)); |
186 | memset (type, 0, sizeof (struct type)); | |
b99607ea | 187 | TYPE_MAIN_TYPE (type) = obstack_alloc (&objfile->objfile_obstack, |
2fdde8f8 | 188 | sizeof (struct main_type)); |
c906108c SS |
189 | OBJSTAT (objfile, n_types++); |
190 | } | |
2fdde8f8 | 191 | memset (TYPE_MAIN_TYPE (type), 0, sizeof (struct main_type)); |
c906108c SS |
192 | |
193 | /* Initialize the fields that might not be zero. */ | |
194 | ||
195 | TYPE_CODE (type) = TYPE_CODE_UNDEF; | |
196 | TYPE_OBJFILE (type) = objfile; | |
197 | TYPE_VPTR_FIELDNO (type) = -1; | |
2fdde8f8 | 198 | TYPE_CHAIN (type) = type; /* Chain back to itself. */ |
c906108c SS |
199 | |
200 | return (type); | |
201 | } | |
202 | ||
2fdde8f8 DJ |
203 | /* Alloc a new type instance structure, fill it with some defaults, |
204 | and point it at OLDTYPE. Allocate the new type instance from the | |
205 | same place as OLDTYPE. */ | |
206 | ||
207 | static struct type * | |
208 | alloc_type_instance (struct type *oldtype) | |
209 | { | |
210 | struct type *type; | |
211 | ||
212 | /* Allocate the structure. */ | |
213 | ||
214 | if (TYPE_OBJFILE (oldtype) == NULL) | |
215 | { | |
216 | type = xmalloc (sizeof (struct type)); | |
217 | memset (type, 0, sizeof (struct type)); | |
218 | } | |
219 | else | |
220 | { | |
b99607ea | 221 | type = obstack_alloc (&TYPE_OBJFILE (oldtype)->objfile_obstack, |
2fdde8f8 DJ |
222 | sizeof (struct type)); |
223 | memset (type, 0, sizeof (struct type)); | |
224 | } | |
225 | TYPE_MAIN_TYPE (type) = TYPE_MAIN_TYPE (oldtype); | |
226 | ||
227 | TYPE_CHAIN (type) = type; /* Chain back to itself for now. */ | |
228 | ||
229 | return (type); | |
230 | } | |
231 | ||
232 | /* Clear all remnants of the previous type at TYPE, in preparation for | |
233 | replacing it with something else. */ | |
234 | static void | |
235 | smash_type (struct type *type) | |
236 | { | |
237 | memset (TYPE_MAIN_TYPE (type), 0, sizeof (struct main_type)); | |
238 | ||
239 | /* For now, delete the rings. */ | |
240 | TYPE_CHAIN (type) = type; | |
241 | ||
242 | /* For now, leave the pointer/reference types alone. */ | |
243 | } | |
244 | ||
c906108c SS |
245 | /* Lookup a pointer to a type TYPE. TYPEPTR, if nonzero, points |
246 | to a pointer to memory where the pointer type should be stored. | |
247 | If *TYPEPTR is zero, update it to point to the pointer type we return. | |
248 | We allocate new memory if needed. */ | |
249 | ||
250 | struct type * | |
fba45db2 | 251 | make_pointer_type (struct type *type, struct type **typeptr) |
c906108c | 252 | { |
52f0bd74 | 253 | struct type *ntype; /* New type */ |
c906108c | 254 | struct objfile *objfile; |
053cb41b | 255 | struct type *chain; |
c906108c SS |
256 | |
257 | ntype = TYPE_POINTER_TYPE (type); | |
258 | ||
c5aa993b | 259 | if (ntype) |
c906108c | 260 | { |
c5aa993b JM |
261 | if (typeptr == 0) |
262 | return ntype; /* Don't care about alloc, and have new type. */ | |
c906108c | 263 | else if (*typeptr == 0) |
c5aa993b | 264 | { |
c906108c SS |
265 | *typeptr = ntype; /* Tracking alloc, and we have new type. */ |
266 | return ntype; | |
c5aa993b | 267 | } |
c906108c SS |
268 | } |
269 | ||
270 | if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */ | |
271 | { | |
272 | ntype = alloc_type (TYPE_OBJFILE (type)); | |
273 | if (typeptr) | |
274 | *typeptr = ntype; | |
275 | } | |
c5aa993b JM |
276 | else |
277 | /* We have storage, but need to reset it. */ | |
c906108c SS |
278 | { |
279 | ntype = *typeptr; | |
280 | objfile = TYPE_OBJFILE (ntype); | |
053cb41b | 281 | chain = TYPE_CHAIN (ntype); |
2fdde8f8 | 282 | smash_type (ntype); |
053cb41b | 283 | TYPE_CHAIN (ntype) = chain; |
c906108c SS |
284 | TYPE_OBJFILE (ntype) = objfile; |
285 | } | |
286 | ||
287 | TYPE_TARGET_TYPE (ntype) = type; | |
288 | TYPE_POINTER_TYPE (type) = ntype; | |
289 | ||
290 | /* FIXME! Assume the machine has only one representation for pointers! */ | |
291 | ||
819844ad | 292 | TYPE_LENGTH (ntype) = gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT; |
c906108c SS |
293 | TYPE_CODE (ntype) = TYPE_CODE_PTR; |
294 | ||
67b2adb2 | 295 | /* Mark pointers as unsigned. The target converts between pointers |
76e71323 UW |
296 | and addresses (CORE_ADDRs) using gdbarch_pointer_to_address and |
297 | gdbarch_address_to_pointer. */ | |
c906108c | 298 | TYPE_FLAGS (ntype) |= TYPE_FLAG_UNSIGNED; |
c5aa993b | 299 | |
c906108c SS |
300 | if (!TYPE_POINTER_TYPE (type)) /* Remember it, if don't have one. */ |
301 | TYPE_POINTER_TYPE (type) = ntype; | |
302 | ||
053cb41b JB |
303 | /* Update the length of all the other variants of this type. */ |
304 | chain = TYPE_CHAIN (ntype); | |
305 | while (chain != ntype) | |
306 | { | |
307 | TYPE_LENGTH (chain) = TYPE_LENGTH (ntype); | |
308 | chain = TYPE_CHAIN (chain); | |
309 | } | |
310 | ||
c906108c SS |
311 | return ntype; |
312 | } | |
313 | ||
314 | /* Given a type TYPE, return a type of pointers to that type. | |
315 | May need to construct such a type if this is the first use. */ | |
316 | ||
317 | struct type * | |
fba45db2 | 318 | lookup_pointer_type (struct type *type) |
c906108c | 319 | { |
c5aa993b | 320 | return make_pointer_type (type, (struct type **) 0); |
c906108c SS |
321 | } |
322 | ||
323 | /* Lookup a C++ `reference' to a type TYPE. TYPEPTR, if nonzero, points | |
324 | to a pointer to memory where the reference type should be stored. | |
325 | If *TYPEPTR is zero, update it to point to the reference type we return. | |
326 | We allocate new memory if needed. */ | |
327 | ||
328 | struct type * | |
fba45db2 | 329 | make_reference_type (struct type *type, struct type **typeptr) |
c906108c | 330 | { |
52f0bd74 | 331 | struct type *ntype; /* New type */ |
c906108c | 332 | struct objfile *objfile; |
1e98b326 | 333 | struct type *chain; |
c906108c SS |
334 | |
335 | ntype = TYPE_REFERENCE_TYPE (type); | |
336 | ||
c5aa993b | 337 | if (ntype) |
c906108c | 338 | { |
c5aa993b JM |
339 | if (typeptr == 0) |
340 | return ntype; /* Don't care about alloc, and have new type. */ | |
c906108c | 341 | else if (*typeptr == 0) |
c5aa993b | 342 | { |
c906108c SS |
343 | *typeptr = ntype; /* Tracking alloc, and we have new type. */ |
344 | return ntype; | |
c5aa993b | 345 | } |
c906108c SS |
346 | } |
347 | ||
348 | if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */ | |
349 | { | |
350 | ntype = alloc_type (TYPE_OBJFILE (type)); | |
351 | if (typeptr) | |
352 | *typeptr = ntype; | |
353 | } | |
c5aa993b JM |
354 | else |
355 | /* We have storage, but need to reset it. */ | |
c906108c SS |
356 | { |
357 | ntype = *typeptr; | |
358 | objfile = TYPE_OBJFILE (ntype); | |
1e98b326 | 359 | chain = TYPE_CHAIN (ntype); |
2fdde8f8 | 360 | smash_type (ntype); |
1e98b326 | 361 | TYPE_CHAIN (ntype) = chain; |
c906108c SS |
362 | TYPE_OBJFILE (ntype) = objfile; |
363 | } | |
364 | ||
365 | TYPE_TARGET_TYPE (ntype) = type; | |
366 | TYPE_REFERENCE_TYPE (type) = ntype; | |
367 | ||
368 | /* FIXME! Assume the machine has only one representation for references, | |
369 | and that it matches the (only) representation for pointers! */ | |
370 | ||
819844ad | 371 | TYPE_LENGTH (ntype) = gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT; |
c906108c | 372 | TYPE_CODE (ntype) = TYPE_CODE_REF; |
c5aa993b | 373 | |
c906108c SS |
374 | if (!TYPE_REFERENCE_TYPE (type)) /* Remember it, if don't have one. */ |
375 | TYPE_REFERENCE_TYPE (type) = ntype; | |
376 | ||
1e98b326 JB |
377 | /* Update the length of all the other variants of this type. */ |
378 | chain = TYPE_CHAIN (ntype); | |
379 | while (chain != ntype) | |
380 | { | |
381 | TYPE_LENGTH (chain) = TYPE_LENGTH (ntype); | |
382 | chain = TYPE_CHAIN (chain); | |
383 | } | |
384 | ||
c906108c SS |
385 | return ntype; |
386 | } | |
387 | ||
388 | /* Same as above, but caller doesn't care about memory allocation details. */ | |
389 | ||
390 | struct type * | |
fba45db2 | 391 | lookup_reference_type (struct type *type) |
c906108c | 392 | { |
c5aa993b | 393 | return make_reference_type (type, (struct type **) 0); |
c906108c SS |
394 | } |
395 | ||
396 | /* Lookup a function type that returns type TYPE. TYPEPTR, if nonzero, points | |
397 | to a pointer to memory where the function type should be stored. | |
398 | If *TYPEPTR is zero, update it to point to the function type we return. | |
399 | We allocate new memory if needed. */ | |
400 | ||
401 | struct type * | |
fba45db2 | 402 | make_function_type (struct type *type, struct type **typeptr) |
c906108c | 403 | { |
52f0bd74 | 404 | struct type *ntype; /* New type */ |
c906108c SS |
405 | struct objfile *objfile; |
406 | ||
407 | if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */ | |
408 | { | |
409 | ntype = alloc_type (TYPE_OBJFILE (type)); | |
410 | if (typeptr) | |
411 | *typeptr = ntype; | |
412 | } | |
c5aa993b JM |
413 | else |
414 | /* We have storage, but need to reset it. */ | |
c906108c SS |
415 | { |
416 | ntype = *typeptr; | |
417 | objfile = TYPE_OBJFILE (ntype); | |
2fdde8f8 | 418 | smash_type (ntype); |
c906108c SS |
419 | TYPE_OBJFILE (ntype) = objfile; |
420 | } | |
421 | ||
422 | TYPE_TARGET_TYPE (ntype) = type; | |
423 | ||
424 | TYPE_LENGTH (ntype) = 1; | |
425 | TYPE_CODE (ntype) = TYPE_CODE_FUNC; | |
c5aa993b | 426 | |
c906108c SS |
427 | return ntype; |
428 | } | |
429 | ||
430 | ||
431 | /* Given a type TYPE, return a type of functions that return that type. | |
432 | May need to construct such a type if this is the first use. */ | |
433 | ||
434 | struct type * | |
fba45db2 | 435 | lookup_function_type (struct type *type) |
c906108c | 436 | { |
c5aa993b | 437 | return make_function_type (type, (struct type **) 0); |
c906108c SS |
438 | } |
439 | ||
47663de5 MS |
440 | /* Identify address space identifier by name -- |
441 | return the integer flag defined in gdbtypes.h. */ | |
442 | extern int | |
443 | address_space_name_to_int (char *space_identifier) | |
444 | { | |
5f11f355 | 445 | struct gdbarch *gdbarch = current_gdbarch; |
8b2dbe47 | 446 | int type_flags; |
47663de5 MS |
447 | /* Check for known address space delimiters. */ |
448 | if (!strcmp (space_identifier, "code")) | |
449 | return TYPE_FLAG_CODE_SPACE; | |
450 | else if (!strcmp (space_identifier, "data")) | |
451 | return TYPE_FLAG_DATA_SPACE; | |
5f11f355 AC |
452 | else if (gdbarch_address_class_name_to_type_flags_p (gdbarch) |
453 | && gdbarch_address_class_name_to_type_flags (gdbarch, | |
454 | space_identifier, | |
455 | &type_flags)) | |
8b2dbe47 | 456 | return type_flags; |
47663de5 | 457 | else |
8a3fe4f8 | 458 | error (_("Unknown address space specifier: \"%s\""), space_identifier); |
47663de5 MS |
459 | } |
460 | ||
461 | /* Identify address space identifier by integer flag as defined in | |
462 | gdbtypes.h -- return the string version of the adress space name. */ | |
463 | ||
321432c0 | 464 | const char * |
47663de5 MS |
465 | address_space_int_to_name (int space_flag) |
466 | { | |
5f11f355 | 467 | struct gdbarch *gdbarch = current_gdbarch; |
47663de5 MS |
468 | if (space_flag & TYPE_FLAG_CODE_SPACE) |
469 | return "code"; | |
470 | else if (space_flag & TYPE_FLAG_DATA_SPACE) | |
471 | return "data"; | |
8b2dbe47 | 472 | else if ((space_flag & TYPE_FLAG_ADDRESS_CLASS_ALL) |
5f11f355 AC |
473 | && gdbarch_address_class_type_flags_to_name_p (gdbarch)) |
474 | return gdbarch_address_class_type_flags_to_name (gdbarch, space_flag); | |
47663de5 MS |
475 | else |
476 | return NULL; | |
477 | } | |
478 | ||
2fdde8f8 | 479 | /* Create a new type with instance flags NEW_FLAGS, based on TYPE. |
ad766c0a JB |
480 | |
481 | If STORAGE is non-NULL, create the new type instance there. | |
482 | STORAGE must be in the same obstack as TYPE. */ | |
47663de5 | 483 | |
b9362cc7 | 484 | static struct type * |
2fdde8f8 DJ |
485 | make_qualified_type (struct type *type, int new_flags, |
486 | struct type *storage) | |
47663de5 MS |
487 | { |
488 | struct type *ntype; | |
489 | ||
490 | ntype = type; | |
491 | do { | |
2fdde8f8 | 492 | if (TYPE_INSTANCE_FLAGS (ntype) == new_flags) |
47663de5 | 493 | return ntype; |
2fdde8f8 | 494 | ntype = TYPE_CHAIN (ntype); |
47663de5 MS |
495 | } while (ntype != type); |
496 | ||
2fdde8f8 DJ |
497 | /* Create a new type instance. */ |
498 | if (storage == NULL) | |
499 | ntype = alloc_type_instance (type); | |
500 | else | |
501 | { | |
ad766c0a JB |
502 | /* If STORAGE was provided, it had better be in the same objfile as |
503 | TYPE. Otherwise, we can't link it into TYPE's cv chain: if one | |
504 | objfile is freed and the other kept, we'd have dangling | |
505 | pointers. */ | |
506 | gdb_assert (TYPE_OBJFILE (type) == TYPE_OBJFILE (storage)); | |
507 | ||
2fdde8f8 DJ |
508 | ntype = storage; |
509 | TYPE_MAIN_TYPE (ntype) = TYPE_MAIN_TYPE (type); | |
510 | TYPE_CHAIN (ntype) = ntype; | |
511 | } | |
47663de5 MS |
512 | |
513 | /* Pointers or references to the original type are not relevant to | |
2fdde8f8 | 514 | the new type. */ |
47663de5 MS |
515 | TYPE_POINTER_TYPE (ntype) = (struct type *) 0; |
516 | TYPE_REFERENCE_TYPE (ntype) = (struct type *) 0; | |
47663de5 | 517 | |
2fdde8f8 DJ |
518 | /* Chain the new qualified type to the old type. */ |
519 | TYPE_CHAIN (ntype) = TYPE_CHAIN (type); | |
520 | TYPE_CHAIN (type) = ntype; | |
521 | ||
522 | /* Now set the instance flags and return the new type. */ | |
523 | TYPE_INSTANCE_FLAGS (ntype) = new_flags; | |
47663de5 | 524 | |
ab5d3da6 KB |
525 | /* Set length of new type to that of the original type. */ |
526 | TYPE_LENGTH (ntype) = TYPE_LENGTH (type); | |
527 | ||
47663de5 MS |
528 | return ntype; |
529 | } | |
530 | ||
2fdde8f8 DJ |
531 | /* Make an address-space-delimited variant of a type -- a type that |
532 | is identical to the one supplied except that it has an address | |
533 | space attribute attached to it (such as "code" or "data"). | |
534 | ||
8b2dbe47 KB |
535 | The space attributes "code" and "data" are for Harvard architectures. |
536 | The address space attributes are for architectures which have | |
537 | alternately sized pointers or pointers with alternate representations. */ | |
2fdde8f8 DJ |
538 | |
539 | struct type * | |
540 | make_type_with_address_space (struct type *type, int space_flag) | |
541 | { | |
542 | struct type *ntype; | |
543 | int new_flags = ((TYPE_INSTANCE_FLAGS (type) | |
8b2dbe47 KB |
544 | & ~(TYPE_FLAG_CODE_SPACE | TYPE_FLAG_DATA_SPACE |
545 | | TYPE_FLAG_ADDRESS_CLASS_ALL)) | |
2fdde8f8 DJ |
546 | | space_flag); |
547 | ||
548 | return make_qualified_type (type, new_flags, NULL); | |
549 | } | |
c906108c SS |
550 | |
551 | /* Make a "c-v" variant of a type -- a type that is identical to the | |
552 | one supplied except that it may have const or volatile attributes | |
553 | CNST is a flag for setting the const attribute | |
554 | VOLTL is a flag for setting the volatile attribute | |
555 | TYPE is the base type whose variant we are creating. | |
c906108c | 556 | |
ad766c0a JB |
557 | If TYPEPTR and *TYPEPTR are non-zero, then *TYPEPTR points to |
558 | storage to hold the new qualified type; *TYPEPTR and TYPE must be | |
559 | in the same objfile. Otherwise, allocate fresh memory for the new | |
560 | type whereever TYPE lives. If TYPEPTR is non-zero, set it to the | |
561 | new type we construct. */ | |
c906108c | 562 | struct type * |
fba45db2 | 563 | make_cv_type (int cnst, int voltl, struct type *type, struct type **typeptr) |
c906108c | 564 | { |
52f0bd74 AC |
565 | struct type *ntype; /* New type */ |
566 | struct type *tmp_type = type; /* tmp type */ | |
c906108c SS |
567 | struct objfile *objfile; |
568 | ||
2fdde8f8 DJ |
569 | int new_flags = (TYPE_INSTANCE_FLAGS (type) |
570 | & ~(TYPE_FLAG_CONST | TYPE_FLAG_VOLATILE)); | |
c906108c | 571 | |
c906108c | 572 | if (cnst) |
2fdde8f8 | 573 | new_flags |= TYPE_FLAG_CONST; |
c906108c SS |
574 | |
575 | if (voltl) | |
2fdde8f8 | 576 | new_flags |= TYPE_FLAG_VOLATILE; |
a02fd225 | 577 | |
2fdde8f8 | 578 | if (typeptr && *typeptr != NULL) |
a02fd225 | 579 | { |
ad766c0a JB |
580 | /* TYPE and *TYPEPTR must be in the same objfile. We can't have |
581 | a C-V variant chain that threads across objfiles: if one | |
582 | objfile gets freed, then the other has a broken C-V chain. | |
583 | ||
584 | This code used to try to copy over the main type from TYPE to | |
585 | *TYPEPTR if they were in different objfiles, but that's | |
586 | wrong, too: TYPE may have a field list or member function | |
587 | lists, which refer to types of their own, etc. etc. The | |
588 | whole shebang would need to be copied over recursively; you | |
589 | can't have inter-objfile pointers. The only thing to do is | |
590 | to leave stub types as stub types, and look them up afresh by | |
591 | name each time you encounter them. */ | |
592 | gdb_assert (TYPE_OBJFILE (*typeptr) == TYPE_OBJFILE (type)); | |
2fdde8f8 DJ |
593 | } |
594 | ||
595 | ntype = make_qualified_type (type, new_flags, typeptr ? *typeptr : NULL); | |
c906108c | 596 | |
2fdde8f8 DJ |
597 | if (typeptr != NULL) |
598 | *typeptr = ntype; | |
a02fd225 | 599 | |
2fdde8f8 | 600 | return ntype; |
a02fd225 | 601 | } |
c906108c | 602 | |
2fdde8f8 DJ |
603 | /* Replace the contents of ntype with the type *type. This changes the |
604 | contents, rather than the pointer for TYPE_MAIN_TYPE (ntype); thus | |
605 | the changes are propogated to all types in the TYPE_CHAIN. | |
dd6bda65 | 606 | |
cda6c68a JB |
607 | In order to build recursive types, it's inevitable that we'll need |
608 | to update types in place --- but this sort of indiscriminate | |
609 | smashing is ugly, and needs to be replaced with something more | |
2fdde8f8 DJ |
610 | controlled. TYPE_MAIN_TYPE is a step in this direction; it's not |
611 | clear if more steps are needed. */ | |
dd6bda65 DJ |
612 | void |
613 | replace_type (struct type *ntype, struct type *type) | |
614 | { | |
ab5d3da6 | 615 | struct type *chain; |
dd6bda65 | 616 | |
ad766c0a JB |
617 | /* These two types had better be in the same objfile. Otherwise, |
618 | the assignment of one type's main type structure to the other | |
619 | will produce a type with references to objects (names; field | |
620 | lists; etc.) allocated on an objfile other than its own. */ | |
621 | gdb_assert (TYPE_OBJFILE (ntype) == TYPE_OBJFILE (ntype)); | |
622 | ||
2fdde8f8 | 623 | *TYPE_MAIN_TYPE (ntype) = *TYPE_MAIN_TYPE (type); |
dd6bda65 | 624 | |
ab5d3da6 KB |
625 | /* The type length is not a part of the main type. Update it for each |
626 | type on the variant chain. */ | |
627 | chain = ntype; | |
628 | do { | |
629 | /* Assert that this element of the chain has no address-class bits | |
630 | set in its flags. Such type variants might have type lengths | |
631 | which are supposed to be different from the non-address-class | |
632 | variants. This assertion shouldn't ever be triggered because | |
633 | symbol readers which do construct address-class variants don't | |
634 | call replace_type(). */ | |
635 | gdb_assert (TYPE_ADDRESS_CLASS_ALL (chain) == 0); | |
636 | ||
787cbe14 | 637 | TYPE_LENGTH (chain) = TYPE_LENGTH (type); |
ab5d3da6 KB |
638 | chain = TYPE_CHAIN (chain); |
639 | } while (ntype != chain); | |
640 | ||
2fdde8f8 DJ |
641 | /* Assert that the two types have equivalent instance qualifiers. |
642 | This should be true for at least all of our debug readers. */ | |
643 | gdb_assert (TYPE_INSTANCE_FLAGS (ntype) == TYPE_INSTANCE_FLAGS (type)); | |
dd6bda65 DJ |
644 | } |
645 | ||
c906108c SS |
646 | /* Implement direct support for MEMBER_TYPE in GNU C++. |
647 | May need to construct such a type if this is the first use. | |
648 | The TYPE is the type of the member. The DOMAIN is the type | |
649 | of the aggregate that the member belongs to. */ | |
650 | ||
651 | struct type * | |
0d5de010 | 652 | lookup_memberptr_type (struct type *type, struct type *domain) |
c906108c | 653 | { |
52f0bd74 | 654 | struct type *mtype; |
c906108c SS |
655 | |
656 | mtype = alloc_type (TYPE_OBJFILE (type)); | |
0d5de010 | 657 | smash_to_memberptr_type (mtype, domain, type); |
c906108c SS |
658 | return (mtype); |
659 | } | |
660 | ||
0d5de010 DJ |
661 | /* Return a pointer-to-method type, for a method of type TO_TYPE. */ |
662 | ||
663 | struct type * | |
664 | lookup_methodptr_type (struct type *to_type) | |
665 | { | |
666 | struct type *mtype; | |
667 | ||
668 | mtype = alloc_type (TYPE_OBJFILE (to_type)); | |
669 | TYPE_TARGET_TYPE (mtype) = to_type; | |
670 | TYPE_DOMAIN_TYPE (mtype) = TYPE_DOMAIN_TYPE (to_type); | |
671 | TYPE_LENGTH (mtype) = cplus_method_ptr_size (); | |
672 | TYPE_CODE (mtype) = TYPE_CODE_METHODPTR; | |
673 | return mtype; | |
674 | } | |
675 | ||
7b83ea04 | 676 | /* Allocate a stub method whose return type is TYPE. |
c906108c SS |
677 | This apparently happens for speed of symbol reading, since parsing |
678 | out the arguments to the method is cpu-intensive, the way we are doing | |
679 | it. So, we will fill in arguments later. | |
680 | This always returns a fresh type. */ | |
681 | ||
682 | struct type * | |
fba45db2 | 683 | allocate_stub_method (struct type *type) |
c906108c SS |
684 | { |
685 | struct type *mtype; | |
686 | ||
7e956337 FF |
687 | mtype = init_type (TYPE_CODE_METHOD, 1, TYPE_FLAG_STUB, NULL, |
688 | TYPE_OBJFILE (type)); | |
c906108c SS |
689 | TYPE_TARGET_TYPE (mtype) = type; |
690 | /* _DOMAIN_TYPE (mtype) = unknown yet */ | |
c906108c SS |
691 | return (mtype); |
692 | } | |
693 | ||
694 | /* Create a range type using either a blank type supplied in RESULT_TYPE, | |
695 | or creating a new type, inheriting the objfile from INDEX_TYPE. | |
696 | ||
697 | Indices will be of type INDEX_TYPE, and will range from LOW_BOUND to | |
698 | HIGH_BOUND, inclusive. | |
699 | ||
700 | FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make | |
701 | sure it is TYPE_CODE_UNDEF before we bash it into a range type? */ | |
702 | ||
703 | struct type * | |
fba45db2 KB |
704 | create_range_type (struct type *result_type, struct type *index_type, |
705 | int low_bound, int high_bound) | |
c906108c SS |
706 | { |
707 | if (result_type == NULL) | |
708 | { | |
709 | result_type = alloc_type (TYPE_OBJFILE (index_type)); | |
710 | } | |
711 | TYPE_CODE (result_type) = TYPE_CODE_RANGE; | |
712 | TYPE_TARGET_TYPE (result_type) = index_type; | |
74a9bb82 | 713 | if (TYPE_STUB (index_type)) |
c906108c SS |
714 | TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB; |
715 | else | |
716 | TYPE_LENGTH (result_type) = TYPE_LENGTH (check_typedef (index_type)); | |
717 | TYPE_NFIELDS (result_type) = 2; | |
718 | TYPE_FIELDS (result_type) = (struct field *) | |
719 | TYPE_ALLOC (result_type, 2 * sizeof (struct field)); | |
720 | memset (TYPE_FIELDS (result_type), 0, 2 * sizeof (struct field)); | |
721 | TYPE_FIELD_BITPOS (result_type, 0) = low_bound; | |
722 | TYPE_FIELD_BITPOS (result_type, 1) = high_bound; | |
c5aa993b JM |
723 | TYPE_FIELD_TYPE (result_type, 0) = builtin_type_int; /* FIXME */ |
724 | TYPE_FIELD_TYPE (result_type, 1) = builtin_type_int; /* FIXME */ | |
c906108c | 725 | |
c5aa993b | 726 | if (low_bound >= 0) |
c906108c SS |
727 | TYPE_FLAGS (result_type) |= TYPE_FLAG_UNSIGNED; |
728 | ||
729 | return (result_type); | |
730 | } | |
731 | ||
732 | /* Set *LOWP and *HIGHP to the lower and upper bounds of discrete type TYPE. | |
c54d24cb | 733 | Return 1 if type is a range type, 0 if it is discrete (and bounds |
c906108c SS |
734 | will fit in LONGEST), or -1 otherwise. */ |
735 | ||
736 | int | |
fba45db2 | 737 | get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp) |
c906108c SS |
738 | { |
739 | CHECK_TYPEDEF (type); | |
740 | switch (TYPE_CODE (type)) | |
741 | { | |
742 | case TYPE_CODE_RANGE: | |
743 | *lowp = TYPE_LOW_BOUND (type); | |
744 | *highp = TYPE_HIGH_BOUND (type); | |
745 | return 1; | |
746 | case TYPE_CODE_ENUM: | |
747 | if (TYPE_NFIELDS (type) > 0) | |
748 | { | |
749 | /* The enums may not be sorted by value, so search all | |
750 | entries */ | |
751 | int i; | |
752 | ||
753 | *lowp = *highp = TYPE_FIELD_BITPOS (type, 0); | |
754 | for (i = 0; i < TYPE_NFIELDS (type); i++) | |
755 | { | |
756 | if (TYPE_FIELD_BITPOS (type, i) < *lowp) | |
757 | *lowp = TYPE_FIELD_BITPOS (type, i); | |
758 | if (TYPE_FIELD_BITPOS (type, i) > *highp) | |
759 | *highp = TYPE_FIELD_BITPOS (type, i); | |
760 | } | |
761 | ||
762 | /* Set unsigned indicator if warranted. */ | |
c5aa993b | 763 | if (*lowp >= 0) |
c906108c SS |
764 | { |
765 | TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED; | |
766 | } | |
767 | } | |
768 | else | |
769 | { | |
770 | *lowp = 0; | |
771 | *highp = -1; | |
772 | } | |
773 | return 0; | |
774 | case TYPE_CODE_BOOL: | |
775 | *lowp = 0; | |
776 | *highp = 1; | |
777 | return 0; | |
778 | case TYPE_CODE_INT: | |
c5aa993b | 779 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) /* Too big */ |
c906108c SS |
780 | return -1; |
781 | if (!TYPE_UNSIGNED (type)) | |
782 | { | |
c5aa993b | 783 | *lowp = -(1 << (TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1)); |
c906108c SS |
784 | *highp = -*lowp - 1; |
785 | return 0; | |
786 | } | |
787 | /* ... fall through for unsigned ints ... */ | |
788 | case TYPE_CODE_CHAR: | |
789 | *lowp = 0; | |
790 | /* This round-about calculation is to avoid shifting by | |
7b83ea04 AC |
791 | TYPE_LENGTH (type) * TARGET_CHAR_BIT, which will not work |
792 | if TYPE_LENGTH (type) == sizeof (LONGEST). */ | |
c906108c SS |
793 | *highp = 1 << (TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1); |
794 | *highp = (*highp - 1) | *highp; | |
795 | return 0; | |
796 | default: | |
797 | return -1; | |
798 | } | |
799 | } | |
800 | ||
801 | /* Create an array type using either a blank type supplied in RESULT_TYPE, | |
802 | or creating a new type, inheriting the objfile from RANGE_TYPE. | |
803 | ||
804 | Elements will be of type ELEMENT_TYPE, the indices will be of type | |
805 | RANGE_TYPE. | |
806 | ||
807 | FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make | |
808 | sure it is TYPE_CODE_UNDEF before we bash it into an array type? */ | |
809 | ||
810 | struct type * | |
fba45db2 KB |
811 | create_array_type (struct type *result_type, struct type *element_type, |
812 | struct type *range_type) | |
c906108c SS |
813 | { |
814 | LONGEST low_bound, high_bound; | |
815 | ||
816 | if (result_type == NULL) | |
817 | { | |
818 | result_type = alloc_type (TYPE_OBJFILE (range_type)); | |
819 | } | |
820 | TYPE_CODE (result_type) = TYPE_CODE_ARRAY; | |
821 | TYPE_TARGET_TYPE (result_type) = element_type; | |
822 | if (get_discrete_bounds (range_type, &low_bound, &high_bound) < 0) | |
823 | low_bound = high_bound = 0; | |
824 | CHECK_TYPEDEF (element_type); | |
825 | TYPE_LENGTH (result_type) = | |
826 | TYPE_LENGTH (element_type) * (high_bound - low_bound + 1); | |
827 | TYPE_NFIELDS (result_type) = 1; | |
828 | TYPE_FIELDS (result_type) = | |
829 | (struct field *) TYPE_ALLOC (result_type, sizeof (struct field)); | |
830 | memset (TYPE_FIELDS (result_type), 0, sizeof (struct field)); | |
831 | TYPE_FIELD_TYPE (result_type, 0) = range_type; | |
832 | TYPE_VPTR_FIELDNO (result_type) = -1; | |
833 | ||
834 | /* TYPE_FLAG_TARGET_STUB will take care of zero length arrays */ | |
835 | if (TYPE_LENGTH (result_type) == 0) | |
836 | TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB; | |
837 | ||
838 | return (result_type); | |
839 | } | |
840 | ||
841 | /* Create a string type using either a blank type supplied in RESULT_TYPE, | |
842 | or creating a new type. String types are similar enough to array of | |
843 | char types that we can use create_array_type to build the basic type | |
844 | and then bash it into a string type. | |
845 | ||
846 | For fixed length strings, the range type contains 0 as the lower | |
847 | bound and the length of the string minus one as the upper bound. | |
848 | ||
849 | FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make | |
850 | sure it is TYPE_CODE_UNDEF before we bash it into a string type? */ | |
851 | ||
852 | struct type * | |
fba45db2 | 853 | create_string_type (struct type *result_type, struct type *range_type) |
c906108c | 854 | { |
f290d38e AC |
855 | struct type *string_char_type; |
856 | ||
857 | string_char_type = language_string_char_type (current_language, | |
858 | current_gdbarch); | |
c906108c | 859 | result_type = create_array_type (result_type, |
f290d38e | 860 | string_char_type, |
c906108c SS |
861 | range_type); |
862 | TYPE_CODE (result_type) = TYPE_CODE_STRING; | |
863 | return (result_type); | |
864 | } | |
865 | ||
866 | struct type * | |
fba45db2 | 867 | create_set_type (struct type *result_type, struct type *domain_type) |
c906108c SS |
868 | { |
869 | LONGEST low_bound, high_bound, bit_length; | |
870 | if (result_type == NULL) | |
871 | { | |
872 | result_type = alloc_type (TYPE_OBJFILE (domain_type)); | |
873 | } | |
874 | TYPE_CODE (result_type) = TYPE_CODE_SET; | |
875 | TYPE_NFIELDS (result_type) = 1; | |
876 | TYPE_FIELDS (result_type) = (struct field *) | |
877 | TYPE_ALLOC (result_type, 1 * sizeof (struct field)); | |
878 | memset (TYPE_FIELDS (result_type), 0, sizeof (struct field)); | |
879 | ||
74a9bb82 | 880 | if (!TYPE_STUB (domain_type)) |
c906108c SS |
881 | { |
882 | if (get_discrete_bounds (domain_type, &low_bound, &high_bound) < 0) | |
883 | low_bound = high_bound = 0; | |
884 | bit_length = high_bound - low_bound + 1; | |
885 | TYPE_LENGTH (result_type) | |
886 | = (bit_length + TARGET_CHAR_BIT - 1) / TARGET_CHAR_BIT; | |
887 | } | |
888 | TYPE_FIELD_TYPE (result_type, 0) = domain_type; | |
889 | ||
c5aa993b | 890 | if (low_bound >= 0) |
c906108c SS |
891 | TYPE_FLAGS (result_type) |= TYPE_FLAG_UNSIGNED; |
892 | ||
893 | return (result_type); | |
894 | } | |
895 | ||
4f2aea11 MK |
896 | void |
897 | append_flags_type_flag (struct type *type, int bitpos, char *name) | |
898 | { | |
899 | gdb_assert (TYPE_CODE (type) == TYPE_CODE_FLAGS); | |
900 | gdb_assert (bitpos < TYPE_NFIELDS (type)); | |
901 | gdb_assert (bitpos >= 0); | |
902 | ||
903 | if (name) | |
904 | { | |
905 | TYPE_FIELD_NAME (type, bitpos) = xstrdup (name); | |
906 | TYPE_FIELD_BITPOS (type, bitpos) = bitpos; | |
907 | } | |
908 | else | |
909 | { | |
910 | /* Don't show this field to the user. */ | |
911 | TYPE_FIELD_BITPOS (type, bitpos) = -1; | |
912 | } | |
913 | } | |
914 | ||
915 | struct type * | |
916 | init_flags_type (char *name, int length) | |
917 | { | |
918 | int nfields = length * TARGET_CHAR_BIT; | |
919 | struct type *type; | |
920 | ||
921 | type = init_type (TYPE_CODE_FLAGS, length, TYPE_FLAG_UNSIGNED, name, NULL); | |
922 | TYPE_NFIELDS (type) = nfields; | |
923 | TYPE_FIELDS (type) = TYPE_ALLOC (type, nfields * sizeof (struct field)); | |
76b7178d | 924 | memset (TYPE_FIELDS (type), 0, nfields * sizeof (struct field)); |
4f2aea11 MK |
925 | |
926 | return type; | |
927 | } | |
928 | ||
794ac428 | 929 | struct type * |
ac3aafc7 EZ |
930 | init_vector_type (struct type *elt_type, int n) |
931 | { | |
932 | struct type *array_type; | |
933 | ||
934 | array_type = create_array_type (0, elt_type, | |
935 | create_range_type (0, builtin_type_int, | |
936 | 0, n-1)); | |
937 | TYPE_FLAGS (array_type) |= TYPE_FLAG_VECTOR; | |
938 | return array_type; | |
939 | } | |
940 | ||
0d5de010 DJ |
941 | /* Smash TYPE to be a type of pointers to members of DOMAIN with type |
942 | TO_TYPE. A member pointer is a wierd thing -- it amounts to a | |
943 | typed offset into a struct, e.g. "an int at offset 8". A MEMBER | |
944 | TYPE doesn't include the offset (that's the value of the MEMBER | |
945 | itself), but does include the structure type into which it points | |
946 | (for some reason). | |
c906108c SS |
947 | |
948 | When "smashing" the type, we preserve the objfile that the | |
949 | old type pointed to, since we aren't changing where the type is actually | |
950 | allocated. */ | |
951 | ||
952 | void | |
0d5de010 DJ |
953 | smash_to_memberptr_type (struct type *type, struct type *domain, |
954 | struct type *to_type) | |
c906108c SS |
955 | { |
956 | struct objfile *objfile; | |
957 | ||
958 | objfile = TYPE_OBJFILE (type); | |
959 | ||
2fdde8f8 | 960 | smash_type (type); |
c906108c SS |
961 | TYPE_OBJFILE (type) = objfile; |
962 | TYPE_TARGET_TYPE (type) = to_type; | |
963 | TYPE_DOMAIN_TYPE (type) = domain; | |
0d5de010 DJ |
964 | /* Assume that a data member pointer is the same size as a normal |
965 | pointer. */ | |
819844ad | 966 | TYPE_LENGTH (type) = gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT; |
0d5de010 | 967 | TYPE_CODE (type) = TYPE_CODE_MEMBERPTR; |
c906108c SS |
968 | } |
969 | ||
970 | /* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE. | |
971 | METHOD just means `function that gets an extra "this" argument'. | |
972 | ||
973 | When "smashing" the type, we preserve the objfile that the | |
974 | old type pointed to, since we aren't changing where the type is actually | |
975 | allocated. */ | |
976 | ||
977 | void | |
fba45db2 | 978 | smash_to_method_type (struct type *type, struct type *domain, |
ad2f7632 DJ |
979 | struct type *to_type, struct field *args, |
980 | int nargs, int varargs) | |
c906108c SS |
981 | { |
982 | struct objfile *objfile; | |
983 | ||
984 | objfile = TYPE_OBJFILE (type); | |
985 | ||
2fdde8f8 | 986 | smash_type (type); |
c906108c SS |
987 | TYPE_OBJFILE (type) = objfile; |
988 | TYPE_TARGET_TYPE (type) = to_type; | |
989 | TYPE_DOMAIN_TYPE (type) = domain; | |
ad2f7632 DJ |
990 | TYPE_FIELDS (type) = args; |
991 | TYPE_NFIELDS (type) = nargs; | |
992 | if (varargs) | |
993 | TYPE_FLAGS (type) |= TYPE_FLAG_VARARGS; | |
c906108c SS |
994 | TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */ |
995 | TYPE_CODE (type) = TYPE_CODE_METHOD; | |
996 | } | |
997 | ||
998 | /* Return a typename for a struct/union/enum type without "struct ", | |
999 | "union ", or "enum ". If the type has a NULL name, return NULL. */ | |
1000 | ||
1001 | char * | |
aa1ee363 | 1002 | type_name_no_tag (const struct type *type) |
c906108c SS |
1003 | { |
1004 | if (TYPE_TAG_NAME (type) != NULL) | |
1005 | return TYPE_TAG_NAME (type); | |
1006 | ||
1007 | /* Is there code which expects this to return the name if there is no | |
1008 | tag name? My guess is that this is mainly used for C++ in cases where | |
1009 | the two will always be the same. */ | |
1010 | return TYPE_NAME (type); | |
1011 | } | |
1012 | ||
c906108c SS |
1013 | /* Lookup a typedef or primitive type named NAME, |
1014 | visible in lexical block BLOCK. | |
1015 | If NOERR is nonzero, return zero if NAME is not suitably defined. */ | |
1016 | ||
1017 | struct type * | |
fba45db2 | 1018 | lookup_typename (char *name, struct block *block, int noerr) |
c906108c | 1019 | { |
52f0bd74 AC |
1020 | struct symbol *sym; |
1021 | struct type *tmp; | |
c906108c | 1022 | |
176620f1 | 1023 | sym = lookup_symbol (name, block, VAR_DOMAIN, 0, (struct symtab **) NULL); |
c906108c SS |
1024 | if (sym == NULL || SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
1025 | { | |
54a5b07d AC |
1026 | tmp = language_lookup_primitive_type_by_name (current_language, |
1027 | current_gdbarch, | |
1028 | name); | |
c906108c SS |
1029 | if (tmp) |
1030 | { | |
1031 | return (tmp); | |
1032 | } | |
1033 | else if (!tmp && noerr) | |
1034 | { | |
1035 | return (NULL); | |
1036 | } | |
1037 | else | |
1038 | { | |
8a3fe4f8 | 1039 | error (_("No type named %s."), name); |
c906108c SS |
1040 | } |
1041 | } | |
1042 | return (SYMBOL_TYPE (sym)); | |
1043 | } | |
1044 | ||
1045 | struct type * | |
fba45db2 | 1046 | lookup_unsigned_typename (char *name) |
c906108c SS |
1047 | { |
1048 | char *uns = alloca (strlen (name) + 10); | |
1049 | ||
1050 | strcpy (uns, "unsigned "); | |
1051 | strcpy (uns + 9, name); | |
1052 | return (lookup_typename (uns, (struct block *) NULL, 0)); | |
1053 | } | |
1054 | ||
1055 | struct type * | |
fba45db2 | 1056 | lookup_signed_typename (char *name) |
c906108c SS |
1057 | { |
1058 | struct type *t; | |
1059 | char *uns = alloca (strlen (name) + 8); | |
1060 | ||
1061 | strcpy (uns, "signed "); | |
1062 | strcpy (uns + 7, name); | |
1063 | t = lookup_typename (uns, (struct block *) NULL, 1); | |
1064 | /* If we don't find "signed FOO" just try again with plain "FOO". */ | |
1065 | if (t != NULL) | |
1066 | return t; | |
1067 | return lookup_typename (name, (struct block *) NULL, 0); | |
1068 | } | |
1069 | ||
1070 | /* Lookup a structure type named "struct NAME", | |
1071 | visible in lexical block BLOCK. */ | |
1072 | ||
1073 | struct type * | |
fba45db2 | 1074 | lookup_struct (char *name, struct block *block) |
c906108c | 1075 | { |
52f0bd74 | 1076 | struct symbol *sym; |
c906108c | 1077 | |
176620f1 | 1078 | sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0, |
c906108c SS |
1079 | (struct symtab **) NULL); |
1080 | ||
1081 | if (sym == NULL) | |
1082 | { | |
8a3fe4f8 | 1083 | error (_("No struct type named %s."), name); |
c906108c SS |
1084 | } |
1085 | if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT) | |
1086 | { | |
8a3fe4f8 | 1087 | error (_("This context has class, union or enum %s, not a struct."), name); |
c906108c SS |
1088 | } |
1089 | return (SYMBOL_TYPE (sym)); | |
1090 | } | |
1091 | ||
1092 | /* Lookup a union type named "union NAME", | |
1093 | visible in lexical block BLOCK. */ | |
1094 | ||
1095 | struct type * | |
fba45db2 | 1096 | lookup_union (char *name, struct block *block) |
c906108c | 1097 | { |
52f0bd74 | 1098 | struct symbol *sym; |
c5aa993b | 1099 | struct type *t; |
c906108c | 1100 | |
176620f1 | 1101 | sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0, |
c906108c SS |
1102 | (struct symtab **) NULL); |
1103 | ||
1104 | if (sym == NULL) | |
8a3fe4f8 | 1105 | error (_("No union type named %s."), name); |
c906108c | 1106 | |
c5aa993b | 1107 | t = SYMBOL_TYPE (sym); |
c906108c SS |
1108 | |
1109 | if (TYPE_CODE (t) == TYPE_CODE_UNION) | |
1110 | return (t); | |
1111 | ||
1112 | /* C++ unions may come out with TYPE_CODE_CLASS, but we look at | |
1113 | * a further "declared_type" field to discover it is really a union. | |
1114 | */ | |
c5aa993b JM |
1115 | if (HAVE_CPLUS_STRUCT (t)) |
1116 | if (TYPE_DECLARED_TYPE (t) == DECLARED_TYPE_UNION) | |
c906108c SS |
1117 | return (t); |
1118 | ||
1119 | /* If we get here, it's not a union */ | |
8a3fe4f8 | 1120 | error (_("This context has class, struct or enum %s, not a union."), name); |
c906108c SS |
1121 | } |
1122 | ||
1123 | ||
1124 | /* Lookup an enum type named "enum NAME", | |
1125 | visible in lexical block BLOCK. */ | |
1126 | ||
1127 | struct type * | |
fba45db2 | 1128 | lookup_enum (char *name, struct block *block) |
c906108c | 1129 | { |
52f0bd74 | 1130 | struct symbol *sym; |
c906108c | 1131 | |
176620f1 | 1132 | sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0, |
c906108c SS |
1133 | (struct symtab **) NULL); |
1134 | if (sym == NULL) | |
1135 | { | |
8a3fe4f8 | 1136 | error (_("No enum type named %s."), name); |
c906108c SS |
1137 | } |
1138 | if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_ENUM) | |
1139 | { | |
8a3fe4f8 | 1140 | error (_("This context has class, struct or union %s, not an enum."), name); |
c906108c SS |
1141 | } |
1142 | return (SYMBOL_TYPE (sym)); | |
1143 | } | |
1144 | ||
1145 | /* Lookup a template type named "template NAME<TYPE>", | |
1146 | visible in lexical block BLOCK. */ | |
1147 | ||
1148 | struct type * | |
fba45db2 | 1149 | lookup_template_type (char *name, struct type *type, struct block *block) |
c906108c SS |
1150 | { |
1151 | struct symbol *sym; | |
0004e5a2 | 1152 | char *nam = (char *) alloca (strlen (name) + strlen (TYPE_NAME (type)) + 4); |
c906108c SS |
1153 | strcpy (nam, name); |
1154 | strcat (nam, "<"); | |
0004e5a2 | 1155 | strcat (nam, TYPE_NAME (type)); |
c5aa993b | 1156 | strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */ |
c906108c | 1157 | |
176620f1 | 1158 | sym = lookup_symbol (nam, block, VAR_DOMAIN, 0, (struct symtab **) NULL); |
c906108c SS |
1159 | |
1160 | if (sym == NULL) | |
1161 | { | |
8a3fe4f8 | 1162 | error (_("No template type named %s."), name); |
c906108c SS |
1163 | } |
1164 | if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT) | |
1165 | { | |
8a3fe4f8 | 1166 | error (_("This context has class, union or enum %s, not a struct."), name); |
c906108c SS |
1167 | } |
1168 | return (SYMBOL_TYPE (sym)); | |
1169 | } | |
1170 | ||
7b83ea04 | 1171 | /* Given a type TYPE, lookup the type of the component of type named NAME. |
c906108c SS |
1172 | |
1173 | TYPE can be either a struct or union, or a pointer or reference to a struct or | |
1174 | union. If it is a pointer or reference, its target type is automatically used. | |
1175 | Thus '.' and '->' are interchangable, as specified for the definitions of the | |
1176 | expression element types STRUCTOP_STRUCT and STRUCTOP_PTR. | |
1177 | ||
1178 | If NOERR is nonzero, return zero if NAME is not suitably defined. | |
1179 | If NAME is the name of a baseclass type, return that type. */ | |
1180 | ||
1181 | struct type * | |
fba45db2 | 1182 | lookup_struct_elt_type (struct type *type, char *name, int noerr) |
c906108c SS |
1183 | { |
1184 | int i; | |
1185 | ||
1186 | for (;;) | |
1187 | { | |
1188 | CHECK_TYPEDEF (type); | |
1189 | if (TYPE_CODE (type) != TYPE_CODE_PTR | |
1190 | && TYPE_CODE (type) != TYPE_CODE_REF) | |
1191 | break; | |
1192 | type = TYPE_TARGET_TYPE (type); | |
1193 | } | |
1194 | ||
1195 | if (TYPE_CODE (type) != TYPE_CODE_STRUCT && | |
1196 | TYPE_CODE (type) != TYPE_CODE_UNION) | |
1197 | { | |
1198 | target_terminal_ours (); | |
1199 | gdb_flush (gdb_stdout); | |
1200 | fprintf_unfiltered (gdb_stderr, "Type "); | |
1201 | type_print (type, "", gdb_stderr, -1); | |
8a3fe4f8 | 1202 | error (_(" is not a structure or union type.")); |
c906108c SS |
1203 | } |
1204 | ||
1205 | #if 0 | |
1206 | /* FIXME: This change put in by Michael seems incorrect for the case where | |
1207 | the structure tag name is the same as the member name. I.E. when doing | |
1208 | "ptype bell->bar" for "struct foo { int bar; int foo; } bell;" | |
1209 | Disabled by fnf. */ | |
1210 | { | |
1211 | char *typename; | |
1212 | ||
1213 | typename = type_name_no_tag (type); | |
762f08a3 | 1214 | if (typename != NULL && strcmp (typename, name) == 0) |
c906108c SS |
1215 | return type; |
1216 | } | |
1217 | #endif | |
1218 | ||
1219 | for (i = TYPE_NFIELDS (type) - 1; i >= TYPE_N_BASECLASSES (type); i--) | |
1220 | { | |
1221 | char *t_field_name = TYPE_FIELD_NAME (type, i); | |
1222 | ||
db577aea | 1223 | if (t_field_name && (strcmp_iw (t_field_name, name) == 0)) |
c906108c SS |
1224 | { |
1225 | return TYPE_FIELD_TYPE (type, i); | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | /* OK, it's not in this class. Recursively check the baseclasses. */ | |
1230 | for (i = TYPE_N_BASECLASSES (type) - 1; i >= 0; i--) | |
1231 | { | |
1232 | struct type *t; | |
1233 | ||
9733fc94 | 1234 | t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, 1); |
c906108c SS |
1235 | if (t != NULL) |
1236 | { | |
1237 | return t; | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | if (noerr) | |
1242 | { | |
1243 | return NULL; | |
1244 | } | |
c5aa993b | 1245 | |
c906108c SS |
1246 | target_terminal_ours (); |
1247 | gdb_flush (gdb_stdout); | |
1248 | fprintf_unfiltered (gdb_stderr, "Type "); | |
1249 | type_print (type, "", gdb_stderr, -1); | |
1250 | fprintf_unfiltered (gdb_stderr, " has no component named "); | |
1251 | fputs_filtered (name, gdb_stderr); | |
8a3fe4f8 | 1252 | error ((".")); |
c5aa993b | 1253 | return (struct type *) -1; /* For lint */ |
c906108c SS |
1254 | } |
1255 | ||
1256 | /* If possible, make the vptr_fieldno and vptr_basetype fields of TYPE | |
1257 | valid. Callers should be aware that in some cases (for example, | |
1258 | the type or one of its baseclasses is a stub type and we are | |
1259 | debugging a .o file), this function will not be able to find the virtual | |
1260 | function table pointer, and vptr_fieldno will remain -1 and vptr_basetype | |
1261 | will remain NULL. */ | |
1262 | ||
1263 | void | |
fba45db2 | 1264 | fill_in_vptr_fieldno (struct type *type) |
c906108c SS |
1265 | { |
1266 | CHECK_TYPEDEF (type); | |
1267 | ||
1268 | if (TYPE_VPTR_FIELDNO (type) < 0) | |
1269 | { | |
1270 | int i; | |
1271 | ||
1272 | /* We must start at zero in case the first (and only) baseclass is | |
7b83ea04 | 1273 | virtual (and hence we cannot share the table pointer). */ |
c906108c SS |
1274 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) |
1275 | { | |
cef4f5dd DJ |
1276 | struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i)); |
1277 | fill_in_vptr_fieldno (baseclass); | |
1278 | if (TYPE_VPTR_FIELDNO (baseclass) >= 0) | |
c906108c | 1279 | { |
cef4f5dd DJ |
1280 | TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (baseclass); |
1281 | TYPE_VPTR_BASETYPE (type) = TYPE_VPTR_BASETYPE (baseclass); | |
c906108c SS |
1282 | break; |
1283 | } | |
1284 | } | |
1285 | } | |
1286 | } | |
1287 | ||
1288 | /* Find the method and field indices for the destructor in class type T. | |
1289 | Return 1 if the destructor was found, otherwise, return 0. */ | |
1290 | ||
1291 | int | |
fba45db2 | 1292 | get_destructor_fn_field (struct type *t, int *method_indexp, int *field_indexp) |
c906108c SS |
1293 | { |
1294 | int i; | |
1295 | ||
1296 | for (i = 0; i < TYPE_NFN_FIELDS (t); i++) | |
1297 | { | |
1298 | int j; | |
1299 | struct fn_field *f = TYPE_FN_FIELDLIST1 (t, i); | |
1300 | ||
1301 | for (j = 0; j < TYPE_FN_FIELDLIST_LENGTH (t, i); j++) | |
1302 | { | |
015a42b4 | 1303 | if (is_destructor_name (TYPE_FN_FIELD_PHYSNAME (f, j)) != 0) |
c906108c SS |
1304 | { |
1305 | *method_indexp = i; | |
1306 | *field_indexp = j; | |
1307 | return 1; | |
1308 | } | |
1309 | } | |
1310 | } | |
1311 | return 0; | |
1312 | } | |
1313 | ||
44e1a9eb DJ |
1314 | static void |
1315 | stub_noname_complaint (void) | |
1316 | { | |
e2e0b3e5 | 1317 | complaint (&symfile_complaints, _("stub type has NULL name")); |
44e1a9eb DJ |
1318 | } |
1319 | ||
c906108c SS |
1320 | /* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989. |
1321 | ||
1322 | If this is a stubbed struct (i.e. declared as struct foo *), see if | |
1323 | we can find a full definition in some other file. If so, copy this | |
1324 | definition, so we can use it in future. There used to be a comment (but | |
1325 | not any code) that if we don't find a full definition, we'd set a flag | |
1326 | so we don't spend time in the future checking the same type. That would | |
1327 | be a mistake, though--we might load in more symbols which contain a | |
1328 | full definition for the type. | |
1329 | ||
7b83ea04 | 1330 | This used to be coded as a macro, but I don't think it is called |
c906108c SS |
1331 | often enough to merit such treatment. */ |
1332 | ||
44e1a9eb DJ |
1333 | /* Find the real type of TYPE. This function returns the real type, after |
1334 | removing all layers of typedefs and completing opaque or stub types. | |
1335 | Completion changes the TYPE argument, but stripping of typedefs does | |
1336 | not. */ | |
c906108c SS |
1337 | |
1338 | struct type * | |
a02fd225 | 1339 | check_typedef (struct type *type) |
c906108c SS |
1340 | { |
1341 | struct type *orig_type = type; | |
a02fd225 DJ |
1342 | int is_const, is_volatile; |
1343 | ||
c906108c SS |
1344 | while (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) |
1345 | { | |
1346 | if (!TYPE_TARGET_TYPE (type)) | |
1347 | { | |
c5aa993b | 1348 | char *name; |
c906108c SS |
1349 | struct symbol *sym; |
1350 | ||
1351 | /* It is dangerous to call lookup_symbol if we are currently | |
1352 | reading a symtab. Infinite recursion is one danger. */ | |
1353 | if (currently_reading_symtab) | |
1354 | return type; | |
1355 | ||
1356 | name = type_name_no_tag (type); | |
1357 | /* FIXME: shouldn't we separately check the TYPE_NAME and the | |
176620f1 | 1358 | TYPE_TAG_NAME, and look in STRUCT_DOMAIN and/or VAR_DOMAIN |
c906108c SS |
1359 | as appropriate? (this code was written before TYPE_NAME and |
1360 | TYPE_TAG_NAME were separate). */ | |
1361 | if (name == NULL) | |
1362 | { | |
23136709 | 1363 | stub_noname_complaint (); |
c906108c SS |
1364 | return type; |
1365 | } | |
176620f1 | 1366 | sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0, |
c906108c SS |
1367 | (struct symtab **) NULL); |
1368 | if (sym) | |
1369 | TYPE_TARGET_TYPE (type) = SYMBOL_TYPE (sym); | |
1370 | else | |
c5aa993b | 1371 | TYPE_TARGET_TYPE (type) = alloc_type (NULL); /* TYPE_CODE_UNDEF */ |
c906108c SS |
1372 | } |
1373 | type = TYPE_TARGET_TYPE (type); | |
1374 | } | |
1375 | ||
a02fd225 DJ |
1376 | is_const = TYPE_CONST (type); |
1377 | is_volatile = TYPE_VOLATILE (type); | |
1378 | ||
c906108c SS |
1379 | /* If this is a struct/class/union with no fields, then check whether a |
1380 | full definition exists somewhere else. This is for systems where a | |
1381 | type definition with no fields is issued for such types, instead of | |
c5aa993b JM |
1382 | identifying them as stub types in the first place */ |
1383 | ||
c906108c SS |
1384 | if (TYPE_IS_OPAQUE (type) && opaque_type_resolution && !currently_reading_symtab) |
1385 | { | |
c5aa993b JM |
1386 | char *name = type_name_no_tag (type); |
1387 | struct type *newtype; | |
c906108c SS |
1388 | if (name == NULL) |
1389 | { | |
23136709 | 1390 | stub_noname_complaint (); |
c906108c SS |
1391 | return type; |
1392 | } | |
1393 | newtype = lookup_transparent_type (name); | |
ad766c0a | 1394 | |
c906108c | 1395 | if (newtype) |
ad766c0a JB |
1396 | { |
1397 | /* If the resolved type and the stub are in the same objfile, | |
1398 | then replace the stub type with the real deal. But if | |
1399 | they're in separate objfiles, leave the stub alone; we'll | |
1400 | just look up the transparent type every time we call | |
1401 | check_typedef. We can't create pointers between types | |
1402 | allocated to different objfiles, since they may have | |
1403 | different lifetimes. Trying to copy NEWTYPE over to TYPE's | |
1404 | objfile is pointless, too, since you'll have to move over any | |
1405 | other types NEWTYPE refers to, which could be an unbounded | |
1406 | amount of stuff. */ | |
1407 | if (TYPE_OBJFILE (newtype) == TYPE_OBJFILE (type)) | |
1408 | make_cv_type (is_const, is_volatile, newtype, &type); | |
1409 | else | |
1410 | type = newtype; | |
1411 | } | |
c906108c SS |
1412 | } |
1413 | /* Otherwise, rely on the stub flag being set for opaque/stubbed types */ | |
74a9bb82 | 1414 | else if (TYPE_STUB (type) && !currently_reading_symtab) |
c906108c | 1415 | { |
c5aa993b | 1416 | char *name = type_name_no_tag (type); |
c906108c | 1417 | /* FIXME: shouldn't we separately check the TYPE_NAME and the |
176620f1 | 1418 | TYPE_TAG_NAME, and look in STRUCT_DOMAIN and/or VAR_DOMAIN |
7b83ea04 AC |
1419 | as appropriate? (this code was written before TYPE_NAME and |
1420 | TYPE_TAG_NAME were separate). */ | |
c906108c SS |
1421 | struct symbol *sym; |
1422 | if (name == NULL) | |
1423 | { | |
23136709 | 1424 | stub_noname_complaint (); |
c906108c SS |
1425 | return type; |
1426 | } | |
176620f1 | 1427 | sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0, (struct symtab **) NULL); |
c906108c | 1428 | if (sym) |
c26f2453 JB |
1429 | { |
1430 | /* Same as above for opaque types, we can replace the stub | |
1431 | with the complete type only if they are int the same | |
1432 | objfile. */ | |
1433 | if (TYPE_OBJFILE (SYMBOL_TYPE(sym)) == TYPE_OBJFILE (type)) | |
1434 | make_cv_type (is_const, is_volatile, SYMBOL_TYPE (sym), &type); | |
1435 | else | |
1436 | type = SYMBOL_TYPE (sym); | |
1437 | } | |
c906108c SS |
1438 | } |
1439 | ||
74a9bb82 | 1440 | if (TYPE_TARGET_STUB (type)) |
c906108c SS |
1441 | { |
1442 | struct type *range_type; | |
1443 | struct type *target_type = check_typedef (TYPE_TARGET_TYPE (type)); | |
1444 | ||
74a9bb82 | 1445 | if (TYPE_STUB (target_type) || TYPE_TARGET_STUB (target_type)) |
c5aa993b JM |
1446 | { |
1447 | } | |
c906108c SS |
1448 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY |
1449 | && TYPE_NFIELDS (type) == 1 | |
1450 | && (TYPE_CODE (range_type = TYPE_FIELD_TYPE (type, 0)) | |
1451 | == TYPE_CODE_RANGE)) | |
1452 | { | |
1453 | /* Now recompute the length of the array type, based on its | |
1454 | number of elements and the target type's length. */ | |
1455 | TYPE_LENGTH (type) = | |
1456 | ((TYPE_FIELD_BITPOS (range_type, 1) | |
1457 | - TYPE_FIELD_BITPOS (range_type, 0) | |
1458 | + 1) | |
1459 | * TYPE_LENGTH (target_type)); | |
1460 | TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB; | |
1461 | } | |
1462 | else if (TYPE_CODE (type) == TYPE_CODE_RANGE) | |
1463 | { | |
1464 | TYPE_LENGTH (type) = TYPE_LENGTH (target_type); | |
1465 | TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB; | |
1466 | } | |
1467 | } | |
1468 | /* Cache TYPE_LENGTH for future use. */ | |
1469 | TYPE_LENGTH (orig_type) = TYPE_LENGTH (type); | |
1470 | return type; | |
1471 | } | |
1472 | ||
c91ecb25 ND |
1473 | /* Parse a type expression in the string [P..P+LENGTH). If an error occurs, |
1474 | silently return builtin_type_void. */ | |
1475 | ||
b9362cc7 | 1476 | static struct type * |
c91ecb25 ND |
1477 | safe_parse_type (char *p, int length) |
1478 | { | |
1479 | struct ui_file *saved_gdb_stderr; | |
1480 | struct type *type; | |
1481 | ||
1482 | /* Suppress error messages. */ | |
1483 | saved_gdb_stderr = gdb_stderr; | |
1484 | gdb_stderr = ui_file_new (); | |
1485 | ||
1486 | /* Call parse_and_eval_type() without fear of longjmp()s. */ | |
1487 | if (!gdb_parse_and_eval_type (p, length, &type)) | |
1488 | type = builtin_type_void; | |
1489 | ||
1490 | /* Stop suppressing error messages. */ | |
1491 | ui_file_delete (gdb_stderr); | |
1492 | gdb_stderr = saved_gdb_stderr; | |
1493 | ||
1494 | return type; | |
1495 | } | |
1496 | ||
c906108c SS |
1497 | /* Ugly hack to convert method stubs into method types. |
1498 | ||
1499 | He ain't kiddin'. This demangles the name of the method into a string | |
1500 | including argument types, parses out each argument type, generates | |
1501 | a string casting a zero to that type, evaluates the string, and stuffs | |
1502 | the resulting type into an argtype vector!!! Then it knows the type | |
1503 | of the whole function (including argument types for overloading), | |
1504 | which info used to be in the stab's but was removed to hack back | |
1505 | the space required for them. */ | |
1506 | ||
de17c821 | 1507 | static void |
fba45db2 | 1508 | check_stub_method (struct type *type, int method_id, int signature_id) |
c906108c SS |
1509 | { |
1510 | struct fn_field *f; | |
1511 | char *mangled_name = gdb_mangle_name (type, method_id, signature_id); | |
1512 | char *demangled_name = cplus_demangle (mangled_name, | |
1513 | DMGL_PARAMS | DMGL_ANSI); | |
1514 | char *argtypetext, *p; | |
1515 | int depth = 0, argcount = 1; | |
ad2f7632 | 1516 | struct field *argtypes; |
c906108c SS |
1517 | struct type *mtype; |
1518 | ||
1519 | /* Make sure we got back a function string that we can use. */ | |
1520 | if (demangled_name) | |
1521 | p = strchr (demangled_name, '('); | |
502dcf4e AC |
1522 | else |
1523 | p = NULL; | |
c906108c SS |
1524 | |
1525 | if (demangled_name == NULL || p == NULL) | |
8a3fe4f8 | 1526 | error (_("Internal: Cannot demangle mangled name `%s'."), mangled_name); |
c906108c SS |
1527 | |
1528 | /* Now, read in the parameters that define this type. */ | |
1529 | p += 1; | |
1530 | argtypetext = p; | |
1531 | while (*p) | |
1532 | { | |
070ad9f0 | 1533 | if (*p == '(' || *p == '<') |
c906108c SS |
1534 | { |
1535 | depth += 1; | |
1536 | } | |
070ad9f0 | 1537 | else if (*p == ')' || *p == '>') |
c906108c SS |
1538 | { |
1539 | depth -= 1; | |
1540 | } | |
1541 | else if (*p == ',' && depth == 0) | |
1542 | { | |
1543 | argcount += 1; | |
1544 | } | |
1545 | ||
1546 | p += 1; | |
1547 | } | |
1548 | ||
ad2f7632 DJ |
1549 | /* If we read one argument and it was ``void'', don't count it. */ |
1550 | if (strncmp (argtypetext, "(void)", 6) == 0) | |
1551 | argcount -= 1; | |
c906108c | 1552 | |
ad2f7632 DJ |
1553 | /* We need one extra slot, for the THIS pointer. */ |
1554 | ||
1555 | argtypes = (struct field *) | |
1556 | TYPE_ALLOC (type, (argcount + 1) * sizeof (struct field)); | |
c906108c | 1557 | p = argtypetext; |
4a1970e4 DJ |
1558 | |
1559 | /* Add THIS pointer for non-static methods. */ | |
1560 | f = TYPE_FN_FIELDLIST1 (type, method_id); | |
1561 | if (TYPE_FN_FIELD_STATIC_P (f, signature_id)) | |
1562 | argcount = 0; | |
1563 | else | |
1564 | { | |
ad2f7632 | 1565 | argtypes[0].type = lookup_pointer_type (type); |
4a1970e4 DJ |
1566 | argcount = 1; |
1567 | } | |
c906108c | 1568 | |
c5aa993b | 1569 | if (*p != ')') /* () means no args, skip while */ |
c906108c SS |
1570 | { |
1571 | depth = 0; | |
1572 | while (*p) | |
1573 | { | |
1574 | if (depth <= 0 && (*p == ',' || *p == ')')) | |
1575 | { | |
ad2f7632 DJ |
1576 | /* Avoid parsing of ellipsis, they will be handled below. |
1577 | Also avoid ``void'' as above. */ | |
1578 | if (strncmp (argtypetext, "...", p - argtypetext) != 0 | |
1579 | && strncmp (argtypetext, "void", p - argtypetext) != 0) | |
c906108c | 1580 | { |
ad2f7632 | 1581 | argtypes[argcount].type = |
c91ecb25 | 1582 | safe_parse_type (argtypetext, p - argtypetext); |
c906108c SS |
1583 | argcount += 1; |
1584 | } | |
1585 | argtypetext = p + 1; | |
1586 | } | |
1587 | ||
070ad9f0 | 1588 | if (*p == '(' || *p == '<') |
c906108c SS |
1589 | { |
1590 | depth += 1; | |
1591 | } | |
070ad9f0 | 1592 | else if (*p == ')' || *p == '>') |
c906108c SS |
1593 | { |
1594 | depth -= 1; | |
1595 | } | |
1596 | ||
1597 | p += 1; | |
1598 | } | |
1599 | } | |
1600 | ||
c906108c SS |
1601 | TYPE_FN_FIELD_PHYSNAME (f, signature_id) = mangled_name; |
1602 | ||
1603 | /* Now update the old "stub" type into a real type. */ | |
1604 | mtype = TYPE_FN_FIELD_TYPE (f, signature_id); | |
1605 | TYPE_DOMAIN_TYPE (mtype) = type; | |
ad2f7632 DJ |
1606 | TYPE_FIELDS (mtype) = argtypes; |
1607 | TYPE_NFIELDS (mtype) = argcount; | |
c906108c SS |
1608 | TYPE_FLAGS (mtype) &= ~TYPE_FLAG_STUB; |
1609 | TYPE_FN_FIELD_STUB (f, signature_id) = 0; | |
ad2f7632 DJ |
1610 | if (p[-2] == '.') |
1611 | TYPE_FLAGS (mtype) |= TYPE_FLAG_VARARGS; | |
1612 | ||
1613 | xfree (demangled_name); | |
c906108c SS |
1614 | } |
1615 | ||
de17c821 DJ |
1616 | /* This is the external interface to check_stub_method, above. This function |
1617 | unstubs all of the signatures for TYPE's METHOD_ID method name. After | |
1618 | calling this function TYPE_FN_FIELD_STUB will be cleared for each signature | |
1619 | and TYPE_FN_FIELDLIST_NAME will be correct. | |
1620 | ||
1621 | This function unfortunately can not die until stabs do. */ | |
1622 | ||
1623 | void | |
1624 | check_stub_method_group (struct type *type, int method_id) | |
1625 | { | |
1626 | int len = TYPE_FN_FIELDLIST_LENGTH (type, method_id); | |
1627 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, method_id); | |
f710f4fc | 1628 | int j, found_stub = 0; |
de17c821 DJ |
1629 | |
1630 | for (j = 0; j < len; j++) | |
1631 | if (TYPE_FN_FIELD_STUB (f, j)) | |
1632 | { | |
1633 | found_stub = 1; | |
1634 | check_stub_method (type, method_id, j); | |
1635 | } | |
1636 | ||
1637 | /* GNU v3 methods with incorrect names were corrected when we read in | |
1638 | type information, because it was cheaper to do it then. The only GNU v2 | |
1639 | methods with incorrect method names are operators and destructors; | |
1640 | destructors were also corrected when we read in type information. | |
1641 | ||
1642 | Therefore the only thing we need to handle here are v2 operator | |
1643 | names. */ | |
1644 | if (found_stub && strncmp (TYPE_FN_FIELD_PHYSNAME (f, 0), "_Z", 2) != 0) | |
1645 | { | |
1646 | int ret; | |
1647 | char dem_opname[256]; | |
1648 | ||
1649 | ret = cplus_demangle_opname (TYPE_FN_FIELDLIST_NAME (type, method_id), | |
1650 | dem_opname, DMGL_ANSI); | |
1651 | if (!ret) | |
1652 | ret = cplus_demangle_opname (TYPE_FN_FIELDLIST_NAME (type, method_id), | |
1653 | dem_opname, 0); | |
1654 | if (ret) | |
1655 | TYPE_FN_FIELDLIST_NAME (type, method_id) = xstrdup (dem_opname); | |
1656 | } | |
1657 | } | |
1658 | ||
c906108c SS |
1659 | const struct cplus_struct_type cplus_struct_default; |
1660 | ||
1661 | void | |
fba45db2 | 1662 | allocate_cplus_struct_type (struct type *type) |
c906108c SS |
1663 | { |
1664 | if (!HAVE_CPLUS_STRUCT (type)) | |
1665 | { | |
1666 | TYPE_CPLUS_SPECIFIC (type) = (struct cplus_struct_type *) | |
1667 | TYPE_ALLOC (type, sizeof (struct cplus_struct_type)); | |
c5aa993b | 1668 | *(TYPE_CPLUS_SPECIFIC (type)) = cplus_struct_default; |
c906108c SS |
1669 | } |
1670 | } | |
1671 | ||
1672 | /* Helper function to initialize the standard scalar types. | |
1673 | ||
1674 | If NAME is non-NULL and OBJFILE is non-NULL, then we make a copy | |
b99607ea | 1675 | of the string pointed to by name in the objfile_obstack for that objfile, |
c906108c SS |
1676 | and initialize the type name to that copy. There are places (mipsread.c |
1677 | in particular, where init_type is called with a NULL value for NAME). */ | |
1678 | ||
1679 | struct type * | |
fba45db2 KB |
1680 | init_type (enum type_code code, int length, int flags, char *name, |
1681 | struct objfile *objfile) | |
c906108c | 1682 | { |
52f0bd74 | 1683 | struct type *type; |
c906108c SS |
1684 | |
1685 | type = alloc_type (objfile); | |
1686 | TYPE_CODE (type) = code; | |
1687 | TYPE_LENGTH (type) = length; | |
1688 | TYPE_FLAGS (type) |= flags; | |
1689 | if ((name != NULL) && (objfile != NULL)) | |
1690 | { | |
1691 | TYPE_NAME (type) = | |
b99607ea | 1692 | obsavestring (name, strlen (name), &objfile->objfile_obstack); |
c906108c SS |
1693 | } |
1694 | else | |
1695 | { | |
1696 | TYPE_NAME (type) = name; | |
1697 | } | |
1698 | ||
1699 | /* C++ fancies. */ | |
1700 | ||
973ccf8b DJ |
1701 | if (name && strcmp (name, "char") == 0) |
1702 | TYPE_FLAGS (type) |= TYPE_FLAG_NOSIGN; | |
1703 | ||
5c4e30ca DC |
1704 | if (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION |
1705 | || code == TYPE_CODE_NAMESPACE) | |
c906108c SS |
1706 | { |
1707 | INIT_CPLUS_SPECIFIC (type); | |
1708 | } | |
1709 | return (type); | |
1710 | } | |
1711 | ||
0e101458 AC |
1712 | /* Helper function. Create an empty composite type. */ |
1713 | ||
1714 | struct type * | |
1715 | init_composite_type (char *name, enum type_code code) | |
1716 | { | |
1717 | struct type *t; | |
1718 | gdb_assert (code == TYPE_CODE_STRUCT | |
1719 | || code == TYPE_CODE_UNION); | |
1720 | t = init_type (code, 0, 0, NULL, NULL); | |
1721 | TYPE_TAG_NAME (t) = name; | |
1722 | return t; | |
1723 | } | |
1724 | ||
1725 | /* Helper function. Append a field to a composite type. */ | |
1726 | ||
1727 | void | |
1728 | append_composite_type_field (struct type *t, char *name, struct type *field) | |
1729 | { | |
1730 | struct field *f; | |
1731 | TYPE_NFIELDS (t) = TYPE_NFIELDS (t) + 1; | |
1732 | TYPE_FIELDS (t) = xrealloc (TYPE_FIELDS (t), | |
1733 | sizeof (struct field) * TYPE_NFIELDS (t)); | |
1734 | f = &(TYPE_FIELDS (t)[TYPE_NFIELDS (t) - 1]); | |
1735 | memset (f, 0, sizeof f[0]); | |
1736 | FIELD_TYPE (f[0]) = field; | |
1737 | FIELD_NAME (f[0]) = name; | |
1738 | if (TYPE_CODE (t) == TYPE_CODE_UNION) | |
1739 | { | |
73d322b1 | 1740 | if (TYPE_LENGTH (t) < TYPE_LENGTH (field)) |
0e101458 AC |
1741 | TYPE_LENGTH (t) = TYPE_LENGTH (field); |
1742 | } | |
1743 | else if (TYPE_CODE (t) == TYPE_CODE_STRUCT) | |
1744 | { | |
1745 | TYPE_LENGTH (t) = TYPE_LENGTH (t) + TYPE_LENGTH (field); | |
1746 | if (TYPE_NFIELDS (t) > 1) | |
1747 | { | |
1748 | FIELD_BITPOS (f[0]) = (FIELD_BITPOS (f[-1]) | |
1749 | + TYPE_LENGTH (field) * TARGET_CHAR_BIT); | |
1750 | } | |
1751 | } | |
1752 | } | |
1753 | ||
c906108c SS |
1754 | /* Look up a fundamental type for the specified objfile. |
1755 | May need to construct such a type if this is the first use. | |
1756 | ||
1757 | Some object file formats (ELF, COFF, etc) do not define fundamental | |
1758 | types such as "int" or "double". Others (stabs for example), do | |
1759 | define fundamental types. | |
1760 | ||
1761 | For the formats which don't provide fundamental types, gdb can create | |
1762 | such types, using defaults reasonable for the current language and | |
1763 | the current target machine. | |
1764 | ||
1765 | NOTE: This routine is obsolescent. Each debugging format reader | |
1766 | should manage it's own fundamental types, either creating them from | |
1767 | suitable defaults or reading them from the debugging information, | |
1768 | whichever is appropriate. The DWARF reader has already been | |
1769 | fixed to do this. Once the other readers are fixed, this routine | |
1770 | will go away. Also note that fundamental types should be managed | |
1771 | on a compilation unit basis in a multi-language environment, not | |
1772 | on a linkage unit basis as is done here. */ | |
1773 | ||
1774 | ||
1775 | struct type * | |
fba45db2 | 1776 | lookup_fundamental_type (struct objfile *objfile, int typeid) |
c906108c | 1777 | { |
52f0bd74 AC |
1778 | struct type **typep; |
1779 | int nbytes; | |
c906108c SS |
1780 | |
1781 | if (typeid < 0 || typeid >= FT_NUM_MEMBERS) | |
1782 | { | |
8a3fe4f8 | 1783 | error (_("internal error - invalid fundamental type id %d"), typeid); |
c906108c SS |
1784 | } |
1785 | ||
1786 | /* If this is the first time we need a fundamental type for this objfile | |
1787 | then we need to initialize the vector of type pointers. */ | |
c5aa993b JM |
1788 | |
1789 | if (objfile->fundamental_types == NULL) | |
c906108c SS |
1790 | { |
1791 | nbytes = FT_NUM_MEMBERS * sizeof (struct type *); | |
c5aa993b | 1792 | objfile->fundamental_types = (struct type **) |
b99607ea | 1793 | obstack_alloc (&objfile->objfile_obstack, nbytes); |
c5aa993b | 1794 | memset ((char *) objfile->fundamental_types, 0, nbytes); |
c906108c SS |
1795 | OBJSTAT (objfile, n_types += FT_NUM_MEMBERS); |
1796 | } | |
1797 | ||
1798 | /* Look for this particular type in the fundamental type vector. If one is | |
1799 | not found, create and install one appropriate for the current language. */ | |
1800 | ||
c5aa993b | 1801 | typep = objfile->fundamental_types + typeid; |
c906108c SS |
1802 | if (*typep == NULL) |
1803 | { | |
1804 | *typep = create_fundamental_type (objfile, typeid); | |
1805 | } | |
1806 | ||
1807 | return (*typep); | |
1808 | } | |
1809 | ||
1810 | int | |
fba45db2 | 1811 | can_dereference (struct type *t) |
c906108c SS |
1812 | { |
1813 | /* FIXME: Should we return true for references as well as pointers? */ | |
1814 | CHECK_TYPEDEF (t); | |
1815 | return | |
1816 | (t != NULL | |
1817 | && TYPE_CODE (t) == TYPE_CODE_PTR | |
1818 | && TYPE_CODE (TYPE_TARGET_TYPE (t)) != TYPE_CODE_VOID); | |
1819 | } | |
1820 | ||
adf40b2e | 1821 | int |
fba45db2 | 1822 | is_integral_type (struct type *t) |
adf40b2e JM |
1823 | { |
1824 | CHECK_TYPEDEF (t); | |
1825 | return | |
1826 | ((t != NULL) | |
d4f3574e SS |
1827 | && ((TYPE_CODE (t) == TYPE_CODE_INT) |
1828 | || (TYPE_CODE (t) == TYPE_CODE_ENUM) | |
4f2aea11 | 1829 | || (TYPE_CODE (t) == TYPE_CODE_FLAGS) |
d4f3574e SS |
1830 | || (TYPE_CODE (t) == TYPE_CODE_CHAR) |
1831 | || (TYPE_CODE (t) == TYPE_CODE_RANGE) | |
1832 | || (TYPE_CODE (t) == TYPE_CODE_BOOL))); | |
adf40b2e JM |
1833 | } |
1834 | ||
7b83ea04 | 1835 | /* Check whether BASE is an ancestor or base class or DCLASS |
c906108c SS |
1836 | Return 1 if so, and 0 if not. |
1837 | Note: callers may want to check for identity of the types before | |
1838 | calling this function -- identical types are considered to satisfy | |
1839 | the ancestor relationship even if they're identical */ | |
1840 | ||
1841 | int | |
fba45db2 | 1842 | is_ancestor (struct type *base, struct type *dclass) |
c906108c SS |
1843 | { |
1844 | int i; | |
c5aa993b | 1845 | |
c906108c SS |
1846 | CHECK_TYPEDEF (base); |
1847 | CHECK_TYPEDEF (dclass); | |
1848 | ||
1849 | if (base == dclass) | |
1850 | return 1; | |
6b1ba9a0 ND |
1851 | if (TYPE_NAME (base) && TYPE_NAME (dclass) && |
1852 | !strcmp (TYPE_NAME (base), TYPE_NAME (dclass))) | |
1853 | return 1; | |
c906108c SS |
1854 | |
1855 | for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) | |
1856 | if (is_ancestor (base, TYPE_BASECLASS (dclass, i))) | |
1857 | return 1; | |
1858 | ||
1859 | return 0; | |
1860 | } | |
1861 | ||
1862 | ||
1863 | ||
1864 | /* See whether DCLASS has a virtual table. This routine is aimed at | |
1865 | the HP/Taligent ANSI C++ runtime model, and may not work with other | |
1866 | runtime models. Return 1 => Yes, 0 => No. */ | |
1867 | ||
1868 | int | |
fba45db2 | 1869 | has_vtable (struct type *dclass) |
c906108c SS |
1870 | { |
1871 | /* In the HP ANSI C++ runtime model, a class has a vtable only if it | |
1872 | has virtual functions or virtual bases. */ | |
1873 | ||
52f0bd74 | 1874 | int i; |
c906108c | 1875 | |
c5aa993b | 1876 | if (TYPE_CODE (dclass) != TYPE_CODE_CLASS) |
c906108c | 1877 | return 0; |
c5aa993b | 1878 | |
c906108c | 1879 | /* First check for the presence of virtual bases */ |
c5aa993b JM |
1880 | if (TYPE_FIELD_VIRTUAL_BITS (dclass)) |
1881 | for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) | |
1882 | if (B_TST (TYPE_FIELD_VIRTUAL_BITS (dclass), i)) | |
1883 | return 1; | |
1884 | ||
c906108c | 1885 | /* Next check for virtual functions */ |
c5aa993b JM |
1886 | if (TYPE_FN_FIELDLISTS (dclass)) |
1887 | for (i = 0; i < TYPE_NFN_FIELDS (dclass); i++) | |
1888 | if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (dclass, i), 0)) | |
c906108c | 1889 | return 1; |
c5aa993b JM |
1890 | |
1891 | /* Recurse on non-virtual bases to see if any of them needs a vtable */ | |
1892 | if (TYPE_FIELD_VIRTUAL_BITS (dclass)) | |
1893 | for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) | |
1894 | if ((!B_TST (TYPE_FIELD_VIRTUAL_BITS (dclass), i)) && | |
1895 | (has_vtable (TYPE_FIELD_TYPE (dclass, i)))) | |
1896 | return 1; | |
1897 | ||
1898 | /* Well, maybe we don't need a virtual table */ | |
c906108c SS |
1899 | return 0; |
1900 | } | |
1901 | ||
1902 | /* Return a pointer to the "primary base class" of DCLASS. | |
c5aa993b | 1903 | |
c906108c SS |
1904 | A NULL return indicates that DCLASS has no primary base, or that it |
1905 | couldn't be found (insufficient information). | |
c5aa993b | 1906 | |
c906108c SS |
1907 | This routine is aimed at the HP/Taligent ANSI C++ runtime model, |
1908 | and may not work with other runtime models. */ | |
1909 | ||
1910 | struct type * | |
fba45db2 | 1911 | primary_base_class (struct type *dclass) |
c906108c SS |
1912 | { |
1913 | /* In HP ANSI C++'s runtime model, a "primary base class" of a class | |
1914 | is the first directly inherited, non-virtual base class that | |
1915 | requires a virtual table */ | |
1916 | ||
52f0bd74 | 1917 | int i; |
c906108c | 1918 | |
c5aa993b | 1919 | if (TYPE_CODE (dclass) != TYPE_CODE_CLASS) |
c906108c SS |
1920 | return NULL; |
1921 | ||
c5aa993b JM |
1922 | for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) |
1923 | if (!TYPE_FIELD_VIRTUAL (dclass, i) && | |
1924 | has_vtable (TYPE_FIELD_TYPE (dclass, i))) | |
1925 | return TYPE_FIELD_TYPE (dclass, i); | |
c906108c SS |
1926 | |
1927 | return NULL; | |
1928 | } | |
1929 | ||
1930 | /* Global manipulated by virtual_base_list[_aux]() */ | |
1931 | ||
c5aa993b | 1932 | static struct vbase *current_vbase_list = NULL; |
c906108c SS |
1933 | |
1934 | /* Return a pointer to a null-terminated list of struct vbase | |
1935 | items. The vbasetype pointer of each item in the list points to the | |
1936 | type information for a virtual base of the argument DCLASS. | |
c5aa993b | 1937 | |
7b83ea04 | 1938 | Helper function for virtual_base_list(). |
c906108c SS |
1939 | Note: the list goes backward, right-to-left. virtual_base_list() |
1940 | copies the items out in reverse order. */ | |
1941 | ||
7a292a7a | 1942 | static void |
fba45db2 | 1943 | virtual_base_list_aux (struct type *dclass) |
c906108c | 1944 | { |
c5aa993b | 1945 | struct vbase *tmp_vbase; |
52f0bd74 | 1946 | int i; |
c906108c | 1947 | |
c5aa993b | 1948 | if (TYPE_CODE (dclass) != TYPE_CODE_CLASS) |
7a292a7a | 1949 | return; |
c906108c SS |
1950 | |
1951 | for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) | |
1952 | { | |
1953 | /* Recurse on this ancestor, first */ | |
c5aa993b | 1954 | virtual_base_list_aux (TYPE_FIELD_TYPE (dclass, i)); |
c906108c SS |
1955 | |
1956 | /* If this current base is itself virtual, add it to the list */ | |
c5aa993b JM |
1957 | if (BASETYPE_VIA_VIRTUAL (dclass, i)) |
1958 | { | |
1959 | struct type *basetype = TYPE_FIELD_TYPE (dclass, i); | |
1960 | ||
1961 | /* Check if base already recorded */ | |
1962 | tmp_vbase = current_vbase_list; | |
1963 | while (tmp_vbase) | |
1964 | { | |
1965 | if (tmp_vbase->vbasetype == basetype) | |
1966 | break; /* found it */ | |
1967 | tmp_vbase = tmp_vbase->next; | |
1968 | } | |
1969 | ||
1970 | if (!tmp_vbase) /* normal exit from loop */ | |
1971 | { | |
1972 | /* Allocate new item for this virtual base */ | |
1973 | tmp_vbase = (struct vbase *) xmalloc (sizeof (struct vbase)); | |
1974 | ||
1975 | /* Stick it on at the end of the list */ | |
1976 | tmp_vbase->vbasetype = basetype; | |
1977 | tmp_vbase->next = current_vbase_list; | |
1978 | current_vbase_list = tmp_vbase; | |
1979 | } | |
1980 | } /* if virtual */ | |
1981 | } /* for loop over bases */ | |
c906108c SS |
1982 | } |
1983 | ||
1984 | ||
1985 | /* Compute the list of virtual bases in the right order. Virtual | |
1986 | bases are laid out in the object's memory area in order of their | |
1987 | occurrence in a depth-first, left-to-right search through the | |
1988 | ancestors. | |
c5aa993b | 1989 | |
c906108c SS |
1990 | Argument DCLASS is the type whose virtual bases are required. |
1991 | Return value is the address of a null-terminated array of pointers | |
1992 | to struct type items. | |
c5aa993b | 1993 | |
c906108c SS |
1994 | This routine is aimed at the HP/Taligent ANSI C++ runtime model, |
1995 | and may not work with other runtime models. | |
c5aa993b | 1996 | |
c906108c SS |
1997 | This routine merely hands off the argument to virtual_base_list_aux() |
1998 | and then copies the result into an array to save space. */ | |
1999 | ||
2000 | struct type ** | |
fba45db2 | 2001 | virtual_base_list (struct type *dclass) |
c906108c | 2002 | { |
52f0bd74 AC |
2003 | struct vbase *tmp_vbase; |
2004 | struct vbase *tmp_vbase_2; | |
2005 | int i; | |
c906108c | 2006 | int count; |
c5aa993b | 2007 | struct type **vbase_array; |
c906108c SS |
2008 | |
2009 | current_vbase_list = NULL; | |
c5aa993b | 2010 | virtual_base_list_aux (dclass); |
c906108c | 2011 | |
c5aa993b | 2012 | for (i = 0, tmp_vbase = current_vbase_list; tmp_vbase != NULL; i++, tmp_vbase = tmp_vbase->next) |
c906108c SS |
2013 | /* no body */ ; |
2014 | ||
2015 | count = i; | |
2016 | ||
c5aa993b | 2017 | vbase_array = (struct type **) xmalloc ((count + 1) * sizeof (struct type *)); |
c906108c | 2018 | |
c5aa993b | 2019 | for (i = count - 1, tmp_vbase = current_vbase_list; i >= 0; i--, tmp_vbase = tmp_vbase->next) |
c906108c SS |
2020 | vbase_array[i] = tmp_vbase->vbasetype; |
2021 | ||
2022 | /* Get rid of constructed chain */ | |
2023 | tmp_vbase_2 = tmp_vbase = current_vbase_list; | |
2024 | while (tmp_vbase) | |
2025 | { | |
2026 | tmp_vbase = tmp_vbase->next; | |
b8c9b27d | 2027 | xfree (tmp_vbase_2); |
c906108c SS |
2028 | tmp_vbase_2 = tmp_vbase; |
2029 | } | |
c5aa993b | 2030 | |
c906108c SS |
2031 | vbase_array[count] = NULL; |
2032 | return vbase_array; | |
2033 | } | |
2034 | ||
2035 | /* Return the length of the virtual base list of the type DCLASS. */ | |
2036 | ||
2037 | int | |
fba45db2 | 2038 | virtual_base_list_length (struct type *dclass) |
c906108c | 2039 | { |
52f0bd74 AC |
2040 | int i; |
2041 | struct vbase *tmp_vbase; | |
c5aa993b | 2042 | |
c906108c | 2043 | current_vbase_list = NULL; |
c5aa993b | 2044 | virtual_base_list_aux (dclass); |
c906108c | 2045 | |
c5aa993b | 2046 | for (i = 0, tmp_vbase = current_vbase_list; tmp_vbase != NULL; i++, tmp_vbase = tmp_vbase->next) |
c906108c SS |
2047 | /* no body */ ; |
2048 | return i; | |
2049 | } | |
2050 | ||
2051 | /* Return the number of elements of the virtual base list of the type | |
2052 | DCLASS, ignoring those appearing in the primary base (and its | |
2053 | primary base, recursively). */ | |
2054 | ||
2055 | int | |
fba45db2 | 2056 | virtual_base_list_length_skip_primaries (struct type *dclass) |
c906108c | 2057 | { |
52f0bd74 AC |
2058 | int i; |
2059 | struct vbase *tmp_vbase; | |
c5aa993b | 2060 | struct type *primary; |
c906108c SS |
2061 | |
2062 | primary = TYPE_RUNTIME_PTR (dclass) ? TYPE_PRIMARY_BASE (dclass) : NULL; | |
2063 | ||
2064 | if (!primary) | |
2065 | return virtual_base_list_length (dclass); | |
2066 | ||
2067 | current_vbase_list = NULL; | |
c5aa993b | 2068 | virtual_base_list_aux (dclass); |
c906108c | 2069 | |
c5aa993b | 2070 | for (i = 0, tmp_vbase = current_vbase_list; tmp_vbase != NULL; tmp_vbase = tmp_vbase->next) |
c906108c SS |
2071 | { |
2072 | if (virtual_base_index (tmp_vbase->vbasetype, primary) >= 0) | |
c5aa993b | 2073 | continue; |
c906108c SS |
2074 | i++; |
2075 | } | |
2076 | return i; | |
2077 | } | |
2078 | ||
2079 | ||
2080 | /* Return the index (position) of type BASE, which is a virtual base | |
2081 | class of DCLASS, in the latter's virtual base list. A return of -1 | |
2082 | indicates "not found" or a problem. */ | |
2083 | ||
2084 | int | |
fba45db2 | 2085 | virtual_base_index (struct type *base, struct type *dclass) |
c906108c | 2086 | { |
52f0bd74 AC |
2087 | struct type *vbase; |
2088 | int i; | |
c906108c | 2089 | |
c5aa993b JM |
2090 | if ((TYPE_CODE (dclass) != TYPE_CODE_CLASS) || |
2091 | (TYPE_CODE (base) != TYPE_CODE_CLASS)) | |
c906108c SS |
2092 | return -1; |
2093 | ||
2094 | i = 0; | |
015a42b4 | 2095 | vbase = virtual_base_list (dclass)[0]; |
c906108c SS |
2096 | while (vbase) |
2097 | { | |
2098 | if (vbase == base) | |
c5aa993b | 2099 | break; |
015a42b4 | 2100 | vbase = virtual_base_list (dclass)[++i]; |
c906108c SS |
2101 | } |
2102 | ||
2103 | return vbase ? i : -1; | |
2104 | } | |
2105 | ||
2106 | ||
2107 | ||
2108 | /* Return the index (position) of type BASE, which is a virtual base | |
2109 | class of DCLASS, in the latter's virtual base list. Skip over all | |
2110 | bases that may appear in the virtual base list of the primary base | |
2111 | class of DCLASS (recursively). A return of -1 indicates "not | |
2112 | found" or a problem. */ | |
2113 | ||
2114 | int | |
fba45db2 | 2115 | virtual_base_index_skip_primaries (struct type *base, struct type *dclass) |
c906108c | 2116 | { |
52f0bd74 AC |
2117 | struct type *vbase; |
2118 | int i, j; | |
c5aa993b | 2119 | struct type *primary; |
c906108c | 2120 | |
c5aa993b JM |
2121 | if ((TYPE_CODE (dclass) != TYPE_CODE_CLASS) || |
2122 | (TYPE_CODE (base) != TYPE_CODE_CLASS)) | |
c906108c SS |
2123 | return -1; |
2124 | ||
c5aa993b | 2125 | primary = TYPE_RUNTIME_PTR (dclass) ? TYPE_PRIMARY_BASE (dclass) : NULL; |
c906108c SS |
2126 | |
2127 | j = -1; | |
2128 | i = 0; | |
015a42b4 | 2129 | vbase = virtual_base_list (dclass)[0]; |
c906108c SS |
2130 | while (vbase) |
2131 | { | |
c5aa993b JM |
2132 | if (!primary || (virtual_base_index_skip_primaries (vbase, primary) < 0)) |
2133 | j++; | |
c906108c | 2134 | if (vbase == base) |
c5aa993b | 2135 | break; |
015a42b4 | 2136 | vbase = virtual_base_list (dclass)[++i]; |
c906108c SS |
2137 | } |
2138 | ||
2139 | return vbase ? j : -1; | |
2140 | } | |
2141 | ||
2142 | /* Return position of a derived class DCLASS in the list of | |
2143 | * primary bases starting with the remotest ancestor. | |
2144 | * Position returned is 0-based. */ | |
2145 | ||
2146 | int | |
fba45db2 | 2147 | class_index_in_primary_list (struct type *dclass) |
c906108c | 2148 | { |
c5aa993b | 2149 | struct type *pbc; /* primary base class */ |
c906108c | 2150 | |
c5aa993b | 2151 | /* Simply recurse on primary base */ |
c906108c SS |
2152 | pbc = TYPE_PRIMARY_BASE (dclass); |
2153 | if (pbc) | |
2154 | return 1 + class_index_in_primary_list (pbc); | |
2155 | else | |
2156 | return 0; | |
2157 | } | |
2158 | ||
2159 | /* Return a count of the number of virtual functions a type has. | |
2160 | * This includes all the virtual functions it inherits from its | |
2161 | * base classes too. | |
2162 | */ | |
2163 | ||
2164 | /* pai: FIXME This doesn't do the right thing: count redefined virtual | |
2165 | * functions only once (latest redefinition) | |
2166 | */ | |
2167 | ||
2168 | int | |
fba45db2 | 2169 | count_virtual_fns (struct type *dclass) |
c906108c | 2170 | { |
c5aa993b | 2171 | int fn, oi; /* function and overloaded instance indices */ |
c5aa993b JM |
2172 | int vfuncs; /* count to return */ |
2173 | ||
2174 | /* recurse on bases that can share virtual table */ | |
2175 | struct type *pbc = primary_base_class (dclass); | |
c906108c SS |
2176 | if (pbc) |
2177 | vfuncs = count_virtual_fns (pbc); | |
7f7e9482 AC |
2178 | else |
2179 | vfuncs = 0; | |
c5aa993b | 2180 | |
c906108c SS |
2181 | for (fn = 0; fn < TYPE_NFN_FIELDS (dclass); fn++) |
2182 | for (oi = 0; oi < TYPE_FN_FIELDLIST_LENGTH (dclass, fn); oi++) | |
2183 | if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (dclass, fn), oi)) | |
c5aa993b | 2184 | vfuncs++; |
c906108c SS |
2185 | |
2186 | return vfuncs; | |
2187 | } | |
c906108c SS |
2188 | \f |
2189 | ||
c5aa993b | 2190 | |
c906108c SS |
2191 | /* Functions for overload resolution begin here */ |
2192 | ||
2193 | /* Compare two badness vectors A and B and return the result. | |
2194 | * 0 => A and B are identical | |
2195 | * 1 => A and B are incomparable | |
2196 | * 2 => A is better than B | |
2197 | * 3 => A is worse than B */ | |
2198 | ||
2199 | int | |
fba45db2 | 2200 | compare_badness (struct badness_vector *a, struct badness_vector *b) |
c906108c SS |
2201 | { |
2202 | int i; | |
2203 | int tmp; | |
c5aa993b JM |
2204 | short found_pos = 0; /* any positives in c? */ |
2205 | short found_neg = 0; /* any negatives in c? */ | |
2206 | ||
2207 | /* differing lengths => incomparable */ | |
c906108c SS |
2208 | if (a->length != b->length) |
2209 | return 1; | |
2210 | ||
c5aa993b JM |
2211 | /* Subtract b from a */ |
2212 | for (i = 0; i < a->length; i++) | |
c906108c SS |
2213 | { |
2214 | tmp = a->rank[i] - b->rank[i]; | |
2215 | if (tmp > 0) | |
c5aa993b | 2216 | found_pos = 1; |
c906108c | 2217 | else if (tmp < 0) |
c5aa993b | 2218 | found_neg = 1; |
c906108c SS |
2219 | } |
2220 | ||
2221 | if (found_pos) | |
2222 | { | |
2223 | if (found_neg) | |
c5aa993b | 2224 | return 1; /* incomparable */ |
c906108c | 2225 | else |
c5aa993b | 2226 | return 3; /* A > B */ |
c906108c | 2227 | } |
c5aa993b JM |
2228 | else |
2229 | /* no positives */ | |
c906108c SS |
2230 | { |
2231 | if (found_neg) | |
c5aa993b | 2232 | return 2; /* A < B */ |
c906108c | 2233 | else |
c5aa993b | 2234 | return 0; /* A == B */ |
c906108c SS |
2235 | } |
2236 | } | |
2237 | ||
2238 | /* Rank a function by comparing its parameter types (PARMS, length NPARMS), | |
2239 | * to the types of an argument list (ARGS, length NARGS). | |
2240 | * Return a pointer to a badness vector. This has NARGS + 1 entries. */ | |
2241 | ||
2242 | struct badness_vector * | |
fba45db2 | 2243 | rank_function (struct type **parms, int nparms, struct type **args, int nargs) |
c906108c SS |
2244 | { |
2245 | int i; | |
c5aa993b | 2246 | struct badness_vector *bv; |
c906108c SS |
2247 | int min_len = nparms < nargs ? nparms : nargs; |
2248 | ||
2249 | bv = xmalloc (sizeof (struct badness_vector)); | |
c5aa993b | 2250 | bv->length = nargs + 1; /* add 1 for the length-match rank */ |
c906108c SS |
2251 | bv->rank = xmalloc ((nargs + 1) * sizeof (int)); |
2252 | ||
2253 | /* First compare the lengths of the supplied lists. | |
2254 | * If there is a mismatch, set it to a high value. */ | |
c5aa993b | 2255 | |
c906108c SS |
2256 | /* pai/1997-06-03 FIXME: when we have debug info about default |
2257 | * arguments and ellipsis parameter lists, we should consider those | |
2258 | * and rank the length-match more finely. */ | |
2259 | ||
2260 | LENGTH_MATCH (bv) = (nargs != nparms) ? LENGTH_MISMATCH_BADNESS : 0; | |
2261 | ||
2262 | /* Now rank all the parameters of the candidate function */ | |
74cc24b0 DB |
2263 | for (i = 1; i <= min_len; i++) |
2264 | bv->rank[i] = rank_one_type (parms[i-1], args[i-1]); | |
c906108c | 2265 | |
c5aa993b JM |
2266 | /* If more arguments than parameters, add dummy entries */ |
2267 | for (i = min_len + 1; i <= nargs; i++) | |
c906108c SS |
2268 | bv->rank[i] = TOO_FEW_PARAMS_BADNESS; |
2269 | ||
2270 | return bv; | |
2271 | } | |
2272 | ||
973ccf8b DJ |
2273 | /* Compare the names of two integer types, assuming that any sign |
2274 | qualifiers have been checked already. We do it this way because | |
2275 | there may be an "int" in the name of one of the types. */ | |
2276 | ||
2277 | static int | |
2278 | integer_types_same_name_p (const char *first, const char *second) | |
2279 | { | |
2280 | int first_p, second_p; | |
2281 | ||
2282 | /* If both are shorts, return 1; if neither is a short, keep checking. */ | |
2283 | first_p = (strstr (first, "short") != NULL); | |
2284 | second_p = (strstr (second, "short") != NULL); | |
2285 | if (first_p && second_p) | |
2286 | return 1; | |
2287 | if (first_p || second_p) | |
2288 | return 0; | |
2289 | ||
2290 | /* Likewise for long. */ | |
2291 | first_p = (strstr (first, "long") != NULL); | |
2292 | second_p = (strstr (second, "long") != NULL); | |
2293 | if (first_p && second_p) | |
2294 | return 1; | |
2295 | if (first_p || second_p) | |
2296 | return 0; | |
2297 | ||
2298 | /* Likewise for char. */ | |
2299 | first_p = (strstr (first, "char") != NULL); | |
2300 | second_p = (strstr (second, "char") != NULL); | |
2301 | if (first_p && second_p) | |
2302 | return 1; | |
2303 | if (first_p || second_p) | |
2304 | return 0; | |
2305 | ||
2306 | /* They must both be ints. */ | |
2307 | return 1; | |
2308 | } | |
2309 | ||
c906108c SS |
2310 | /* Compare one type (PARM) for compatibility with another (ARG). |
2311 | * PARM is intended to be the parameter type of a function; and | |
2312 | * ARG is the supplied argument's type. This function tests if | |
2313 | * the latter can be converted to the former. | |
2314 | * | |
2315 | * Return 0 if they are identical types; | |
2316 | * Otherwise, return an integer which corresponds to how compatible | |
2317 | * PARM is to ARG. The higher the return value, the worse the match. | |
2318 | * Generally the "bad" conversions are all uniformly assigned a 100 */ | |
2319 | ||
2320 | int | |
fba45db2 | 2321 | rank_one_type (struct type *parm, struct type *arg) |
c906108c SS |
2322 | { |
2323 | /* Identical type pointers */ | |
2324 | /* However, this still doesn't catch all cases of same type for arg | |
2325 | * and param. The reason is that builtin types are different from | |
2326 | * the same ones constructed from the object. */ | |
2327 | if (parm == arg) | |
2328 | return 0; | |
2329 | ||
2330 | /* Resolve typedefs */ | |
2331 | if (TYPE_CODE (parm) == TYPE_CODE_TYPEDEF) | |
2332 | parm = check_typedef (parm); | |
2333 | if (TYPE_CODE (arg) == TYPE_CODE_TYPEDEF) | |
2334 | arg = check_typedef (arg); | |
2335 | ||
070ad9f0 DB |
2336 | /* |
2337 | Well, damnit, if the names are exactly the same, | |
2338 | i'll say they are exactly the same. This happens when we generate | |
2339 | method stubs. The types won't point to the same address, but they | |
2340 | really are the same. | |
2341 | */ | |
2342 | ||
6b1ba9a0 ND |
2343 | if (TYPE_NAME (parm) && TYPE_NAME (arg) && |
2344 | !strcmp (TYPE_NAME (parm), TYPE_NAME (arg))) | |
070ad9f0 DB |
2345 | return 0; |
2346 | ||
c906108c SS |
2347 | /* Check if identical after resolving typedefs */ |
2348 | if (parm == arg) | |
2349 | return 0; | |
2350 | ||
db577aea AC |
2351 | /* See through references, since we can almost make non-references |
2352 | references. */ | |
2353 | if (TYPE_CODE (arg) == TYPE_CODE_REF) | |
6b1ba9a0 | 2354 | return (rank_one_type (parm, TYPE_TARGET_TYPE (arg)) |
db577aea AC |
2355 | + REFERENCE_CONVERSION_BADNESS); |
2356 | if (TYPE_CODE (parm) == TYPE_CODE_REF) | |
6b1ba9a0 | 2357 | return (rank_one_type (TYPE_TARGET_TYPE (parm), arg) |
db577aea | 2358 | + REFERENCE_CONVERSION_BADNESS); |
5d161b24 | 2359 | if (overload_debug) |
db577aea | 2360 | /* Debugging only. */ |
5d161b24 DB |
2361 | fprintf_filtered (gdb_stderr,"------ Arg is %s [%d], parm is %s [%d]\n", |
2362 | TYPE_NAME (arg), TYPE_CODE (arg), TYPE_NAME (parm), TYPE_CODE (parm)); | |
c906108c SS |
2363 | |
2364 | /* x -> y means arg of type x being supplied for parameter of type y */ | |
2365 | ||
2366 | switch (TYPE_CODE (parm)) | |
2367 | { | |
c5aa993b JM |
2368 | case TYPE_CODE_PTR: |
2369 | switch (TYPE_CODE (arg)) | |
2370 | { | |
2371 | case TYPE_CODE_PTR: | |
2372 | if (TYPE_CODE (TYPE_TARGET_TYPE (parm)) == TYPE_CODE_VOID) | |
2373 | return VOID_PTR_CONVERSION_BADNESS; | |
2374 | else | |
2375 | return rank_one_type (TYPE_TARGET_TYPE (parm), TYPE_TARGET_TYPE (arg)); | |
2376 | case TYPE_CODE_ARRAY: | |
2377 | return rank_one_type (TYPE_TARGET_TYPE (parm), TYPE_TARGET_TYPE (arg)); | |
2378 | case TYPE_CODE_FUNC: | |
2379 | return rank_one_type (TYPE_TARGET_TYPE (parm), arg); | |
2380 | case TYPE_CODE_INT: | |
2381 | case TYPE_CODE_ENUM: | |
4f2aea11 | 2382 | case TYPE_CODE_FLAGS: |
c5aa993b JM |
2383 | case TYPE_CODE_CHAR: |
2384 | case TYPE_CODE_RANGE: | |
2385 | case TYPE_CODE_BOOL: | |
2386 | return POINTER_CONVERSION_BADNESS; | |
2387 | default: | |
2388 | return INCOMPATIBLE_TYPE_BADNESS; | |
2389 | } | |
2390 | case TYPE_CODE_ARRAY: | |
2391 | switch (TYPE_CODE (arg)) | |
2392 | { | |
2393 | case TYPE_CODE_PTR: | |
2394 | case TYPE_CODE_ARRAY: | |
2395 | return rank_one_type (TYPE_TARGET_TYPE (parm), TYPE_TARGET_TYPE (arg)); | |
2396 | default: | |
2397 | return INCOMPATIBLE_TYPE_BADNESS; | |
2398 | } | |
2399 | case TYPE_CODE_FUNC: | |
2400 | switch (TYPE_CODE (arg)) | |
2401 | { | |
2402 | case TYPE_CODE_PTR: /* funcptr -> func */ | |
2403 | return rank_one_type (parm, TYPE_TARGET_TYPE (arg)); | |
2404 | default: | |
2405 | return INCOMPATIBLE_TYPE_BADNESS; | |
2406 | } | |
2407 | case TYPE_CODE_INT: | |
2408 | switch (TYPE_CODE (arg)) | |
2409 | { | |
2410 | case TYPE_CODE_INT: | |
2411 | if (TYPE_LENGTH (arg) == TYPE_LENGTH (parm)) | |
2412 | { | |
2413 | /* Deal with signed, unsigned, and plain chars and | |
7b83ea04 | 2414 | signed and unsigned ints */ |
c5aa993b JM |
2415 | if (TYPE_NOSIGN (parm)) |
2416 | { | |
2417 | /* This case only for character types */ | |
2418 | if (TYPE_NOSIGN (arg)) /* plain char -> plain char */ | |
2419 | return 0; | |
2420 | else | |
1c5cb38e | 2421 | return INTEGER_CONVERSION_BADNESS; /* signed/unsigned char -> plain char */ |
c5aa993b JM |
2422 | } |
2423 | else if (TYPE_UNSIGNED (parm)) | |
2424 | { | |
2425 | if (TYPE_UNSIGNED (arg)) | |
2426 | { | |
973ccf8b DJ |
2427 | /* unsigned int -> unsigned int, or unsigned long -> unsigned long */ |
2428 | if (integer_types_same_name_p (TYPE_NAME (parm), TYPE_NAME (arg))) | |
2429 | return 0; | |
2430 | else if (integer_types_same_name_p (TYPE_NAME (arg), "int") | |
2431 | && integer_types_same_name_p (TYPE_NAME (parm), "long")) | |
c5aa993b JM |
2432 | return INTEGER_PROMOTION_BADNESS; /* unsigned int -> unsigned long */ |
2433 | else | |
1c5cb38e | 2434 | return INTEGER_CONVERSION_BADNESS; /* unsigned long -> unsigned int */ |
c5aa993b JM |
2435 | } |
2436 | else | |
2437 | { | |
973ccf8b DJ |
2438 | if (integer_types_same_name_p (TYPE_NAME (arg), "long") |
2439 | && integer_types_same_name_p (TYPE_NAME (parm), "int")) | |
1c5cb38e | 2440 | return INTEGER_CONVERSION_BADNESS; /* signed long -> unsigned int */ |
c5aa993b JM |
2441 | else |
2442 | return INTEGER_CONVERSION_BADNESS; /* signed int/long -> unsigned int/long */ | |
2443 | } | |
2444 | } | |
2445 | else if (!TYPE_NOSIGN (arg) && !TYPE_UNSIGNED (arg)) | |
2446 | { | |
973ccf8b | 2447 | if (integer_types_same_name_p (TYPE_NAME (parm), TYPE_NAME (arg))) |
c5aa993b | 2448 | return 0; |
973ccf8b DJ |
2449 | else if (integer_types_same_name_p (TYPE_NAME (arg), "int") |
2450 | && integer_types_same_name_p (TYPE_NAME (parm), "long")) | |
c5aa993b JM |
2451 | return INTEGER_PROMOTION_BADNESS; |
2452 | else | |
1c5cb38e | 2453 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2454 | } |
2455 | else | |
1c5cb38e | 2456 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2457 | } |
2458 | else if (TYPE_LENGTH (arg) < TYPE_LENGTH (parm)) | |
2459 | return INTEGER_PROMOTION_BADNESS; | |
2460 | else | |
1c5cb38e | 2461 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b | 2462 | case TYPE_CODE_ENUM: |
4f2aea11 | 2463 | case TYPE_CODE_FLAGS: |
c5aa993b JM |
2464 | case TYPE_CODE_CHAR: |
2465 | case TYPE_CODE_RANGE: | |
2466 | case TYPE_CODE_BOOL: | |
2467 | return INTEGER_PROMOTION_BADNESS; | |
2468 | case TYPE_CODE_FLT: | |
2469 | return INT_FLOAT_CONVERSION_BADNESS; | |
2470 | case TYPE_CODE_PTR: | |
2471 | return NS_POINTER_CONVERSION_BADNESS; | |
2472 | default: | |
2473 | return INCOMPATIBLE_TYPE_BADNESS; | |
2474 | } | |
2475 | break; | |
2476 | case TYPE_CODE_ENUM: | |
2477 | switch (TYPE_CODE (arg)) | |
2478 | { | |
2479 | case TYPE_CODE_INT: | |
2480 | case TYPE_CODE_CHAR: | |
2481 | case TYPE_CODE_RANGE: | |
2482 | case TYPE_CODE_BOOL: | |
2483 | case TYPE_CODE_ENUM: | |
1c5cb38e | 2484 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2485 | case TYPE_CODE_FLT: |
2486 | return INT_FLOAT_CONVERSION_BADNESS; | |
2487 | default: | |
2488 | return INCOMPATIBLE_TYPE_BADNESS; | |
2489 | } | |
2490 | break; | |
2491 | case TYPE_CODE_CHAR: | |
2492 | switch (TYPE_CODE (arg)) | |
2493 | { | |
2494 | case TYPE_CODE_RANGE: | |
2495 | case TYPE_CODE_BOOL: | |
2496 | case TYPE_CODE_ENUM: | |
1c5cb38e | 2497 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2498 | case TYPE_CODE_FLT: |
2499 | return INT_FLOAT_CONVERSION_BADNESS; | |
2500 | case TYPE_CODE_INT: | |
2501 | if (TYPE_LENGTH (arg) > TYPE_LENGTH (parm)) | |
1c5cb38e | 2502 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2503 | else if (TYPE_LENGTH (arg) < TYPE_LENGTH (parm)) |
2504 | return INTEGER_PROMOTION_BADNESS; | |
2505 | /* >>> !! else fall through !! <<< */ | |
2506 | case TYPE_CODE_CHAR: | |
2507 | /* Deal with signed, unsigned, and plain chars for C++ | |
2508 | and with int cases falling through from previous case */ | |
2509 | if (TYPE_NOSIGN (parm)) | |
2510 | { | |
2511 | if (TYPE_NOSIGN (arg)) | |
2512 | return 0; | |
2513 | else | |
1c5cb38e | 2514 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2515 | } |
2516 | else if (TYPE_UNSIGNED (parm)) | |
2517 | { | |
2518 | if (TYPE_UNSIGNED (arg)) | |
2519 | return 0; | |
2520 | else | |
2521 | return INTEGER_PROMOTION_BADNESS; | |
2522 | } | |
2523 | else if (!TYPE_NOSIGN (arg) && !TYPE_UNSIGNED (arg)) | |
2524 | return 0; | |
2525 | else | |
1c5cb38e | 2526 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2527 | default: |
2528 | return INCOMPATIBLE_TYPE_BADNESS; | |
2529 | } | |
2530 | break; | |
2531 | case TYPE_CODE_RANGE: | |
2532 | switch (TYPE_CODE (arg)) | |
2533 | { | |
2534 | case TYPE_CODE_INT: | |
2535 | case TYPE_CODE_CHAR: | |
2536 | case TYPE_CODE_RANGE: | |
2537 | case TYPE_CODE_BOOL: | |
2538 | case TYPE_CODE_ENUM: | |
1c5cb38e | 2539 | return INTEGER_CONVERSION_BADNESS; |
c5aa993b JM |
2540 | case TYPE_CODE_FLT: |
2541 | return INT_FLOAT_CONVERSION_BADNESS; | |
2542 | default: | |
2543 | return INCOMPATIBLE_TYPE_BADNESS; | |
2544 | } | |
2545 | break; | |
2546 | case TYPE_CODE_BOOL: | |
2547 | switch (TYPE_CODE (arg)) | |
2548 | { | |
2549 | case TYPE_CODE_INT: | |
2550 | case TYPE_CODE_CHAR: | |
2551 | case TYPE_CODE_RANGE: | |
2552 | case TYPE_CODE_ENUM: | |
2553 | case TYPE_CODE_FLT: | |
2554 | case TYPE_CODE_PTR: | |
2555 | return BOOLEAN_CONVERSION_BADNESS; | |
2556 | case TYPE_CODE_BOOL: | |
2557 | return 0; | |
2558 | default: | |
2559 | return INCOMPATIBLE_TYPE_BADNESS; | |
2560 | } | |
2561 | break; | |
2562 | case TYPE_CODE_FLT: | |
2563 | switch (TYPE_CODE (arg)) | |
2564 | { | |
2565 | case TYPE_CODE_FLT: | |
2566 | if (TYPE_LENGTH (arg) < TYPE_LENGTH (parm)) | |
2567 | return FLOAT_PROMOTION_BADNESS; | |
2568 | else if (TYPE_LENGTH (arg) == TYPE_LENGTH (parm)) | |
2569 | return 0; | |
2570 | else | |
2571 | return FLOAT_CONVERSION_BADNESS; | |
2572 | case TYPE_CODE_INT: | |
2573 | case TYPE_CODE_BOOL: | |
2574 | case TYPE_CODE_ENUM: | |
2575 | case TYPE_CODE_RANGE: | |
2576 | case TYPE_CODE_CHAR: | |
2577 | return INT_FLOAT_CONVERSION_BADNESS; | |
2578 | default: | |
2579 | return INCOMPATIBLE_TYPE_BADNESS; | |
2580 | } | |
2581 | break; | |
2582 | case TYPE_CODE_COMPLEX: | |
2583 | switch (TYPE_CODE (arg)) | |
2584 | { /* Strictly not needed for C++, but... */ | |
2585 | case TYPE_CODE_FLT: | |
2586 | return FLOAT_PROMOTION_BADNESS; | |
2587 | case TYPE_CODE_COMPLEX: | |
2588 | return 0; | |
2589 | default: | |
2590 | return INCOMPATIBLE_TYPE_BADNESS; | |
2591 | } | |
2592 | break; | |
2593 | case TYPE_CODE_STRUCT: | |
c906108c | 2594 | /* currently same as TYPE_CODE_CLASS */ |
c5aa993b JM |
2595 | switch (TYPE_CODE (arg)) |
2596 | { | |
2597 | case TYPE_CODE_STRUCT: | |
2598 | /* Check for derivation */ | |
2599 | if (is_ancestor (parm, arg)) | |
2600 | return BASE_CONVERSION_BADNESS; | |
2601 | /* else fall through */ | |
2602 | default: | |
2603 | return INCOMPATIBLE_TYPE_BADNESS; | |
2604 | } | |
2605 | break; | |
2606 | case TYPE_CODE_UNION: | |
2607 | switch (TYPE_CODE (arg)) | |
2608 | { | |
2609 | case TYPE_CODE_UNION: | |
2610 | default: | |
2611 | return INCOMPATIBLE_TYPE_BADNESS; | |
2612 | } | |
2613 | break; | |
0d5de010 | 2614 | case TYPE_CODE_MEMBERPTR: |
c5aa993b JM |
2615 | switch (TYPE_CODE (arg)) |
2616 | { | |
2617 | default: | |
2618 | return INCOMPATIBLE_TYPE_BADNESS; | |
2619 | } | |
2620 | break; | |
2621 | case TYPE_CODE_METHOD: | |
2622 | switch (TYPE_CODE (arg)) | |
2623 | { | |
2624 | ||
2625 | default: | |
2626 | return INCOMPATIBLE_TYPE_BADNESS; | |
2627 | } | |
2628 | break; | |
2629 | case TYPE_CODE_REF: | |
2630 | switch (TYPE_CODE (arg)) | |
2631 | { | |
2632 | ||
2633 | default: | |
2634 | return INCOMPATIBLE_TYPE_BADNESS; | |
2635 | } | |
2636 | ||
2637 | break; | |
2638 | case TYPE_CODE_SET: | |
2639 | switch (TYPE_CODE (arg)) | |
2640 | { | |
2641 | /* Not in C++ */ | |
2642 | case TYPE_CODE_SET: | |
2643 | return rank_one_type (TYPE_FIELD_TYPE (parm, 0), TYPE_FIELD_TYPE (arg, 0)); | |
2644 | default: | |
2645 | return INCOMPATIBLE_TYPE_BADNESS; | |
2646 | } | |
2647 | break; | |
2648 | case TYPE_CODE_VOID: | |
2649 | default: | |
2650 | return INCOMPATIBLE_TYPE_BADNESS; | |
2651 | } /* switch (TYPE_CODE (arg)) */ | |
c906108c SS |
2652 | } |
2653 | ||
c5aa993b JM |
2654 | |
2655 | /* End of functions for overload resolution */ | |
c906108c | 2656 | |
c906108c | 2657 | static void |
fba45db2 | 2658 | print_bit_vector (B_TYPE *bits, int nbits) |
c906108c SS |
2659 | { |
2660 | int bitno; | |
2661 | ||
2662 | for (bitno = 0; bitno < nbits; bitno++) | |
2663 | { | |
2664 | if ((bitno % 8) == 0) | |
2665 | { | |
2666 | puts_filtered (" "); | |
2667 | } | |
2668 | if (B_TST (bits, bitno)) | |
a3f17187 | 2669 | printf_filtered (("1")); |
c906108c | 2670 | else |
a3f17187 | 2671 | printf_filtered (("0")); |
c906108c SS |
2672 | } |
2673 | } | |
2674 | ||
ad2f7632 DJ |
2675 | /* Note the first arg should be the "this" pointer, we may not want to |
2676 | include it since we may get into a infinitely recursive situation. */ | |
c906108c SS |
2677 | |
2678 | static void | |
ad2f7632 | 2679 | print_arg_types (struct field *args, int nargs, int spaces) |
c906108c SS |
2680 | { |
2681 | if (args != NULL) | |
2682 | { | |
ad2f7632 DJ |
2683 | int i; |
2684 | ||
2685 | for (i = 0; i < nargs; i++) | |
2686 | recursive_dump_type (args[i].type, spaces + 2); | |
c906108c SS |
2687 | } |
2688 | } | |
2689 | ||
2690 | static void | |
fba45db2 | 2691 | dump_fn_fieldlists (struct type *type, int spaces) |
c906108c SS |
2692 | { |
2693 | int method_idx; | |
2694 | int overload_idx; | |
2695 | struct fn_field *f; | |
2696 | ||
2697 | printfi_filtered (spaces, "fn_fieldlists "); | |
d4f3574e | 2698 | gdb_print_host_address (TYPE_FN_FIELDLISTS (type), gdb_stdout); |
c906108c SS |
2699 | printf_filtered ("\n"); |
2700 | for (method_idx = 0; method_idx < TYPE_NFN_FIELDS (type); method_idx++) | |
2701 | { | |
2702 | f = TYPE_FN_FIELDLIST1 (type, method_idx); | |
2703 | printfi_filtered (spaces + 2, "[%d] name '%s' (", | |
2704 | method_idx, | |
2705 | TYPE_FN_FIELDLIST_NAME (type, method_idx)); | |
d4f3574e SS |
2706 | gdb_print_host_address (TYPE_FN_FIELDLIST_NAME (type, method_idx), |
2707 | gdb_stdout); | |
a3f17187 | 2708 | printf_filtered (_(") length %d\n"), |
c906108c SS |
2709 | TYPE_FN_FIELDLIST_LENGTH (type, method_idx)); |
2710 | for (overload_idx = 0; | |
2711 | overload_idx < TYPE_FN_FIELDLIST_LENGTH (type, method_idx); | |
2712 | overload_idx++) | |
2713 | { | |
2714 | printfi_filtered (spaces + 4, "[%d] physname '%s' (", | |
2715 | overload_idx, | |
2716 | TYPE_FN_FIELD_PHYSNAME (f, overload_idx)); | |
d4f3574e SS |
2717 | gdb_print_host_address (TYPE_FN_FIELD_PHYSNAME (f, overload_idx), |
2718 | gdb_stdout); | |
c906108c SS |
2719 | printf_filtered (")\n"); |
2720 | printfi_filtered (spaces + 8, "type "); | |
d4f3574e | 2721 | gdb_print_host_address (TYPE_FN_FIELD_TYPE (f, overload_idx), gdb_stdout); |
c906108c SS |
2722 | printf_filtered ("\n"); |
2723 | ||
2724 | recursive_dump_type (TYPE_FN_FIELD_TYPE (f, overload_idx), | |
2725 | spaces + 8 + 2); | |
2726 | ||
2727 | printfi_filtered (spaces + 8, "args "); | |
d4f3574e | 2728 | gdb_print_host_address (TYPE_FN_FIELD_ARGS (f, overload_idx), gdb_stdout); |
c906108c SS |
2729 | printf_filtered ("\n"); |
2730 | ||
ad2f7632 DJ |
2731 | print_arg_types (TYPE_FN_FIELD_ARGS (f, overload_idx), |
2732 | TYPE_NFIELDS (TYPE_FN_FIELD_TYPE (f, overload_idx)), | |
2733 | spaces); | |
c906108c | 2734 | printfi_filtered (spaces + 8, "fcontext "); |
d4f3574e SS |
2735 | gdb_print_host_address (TYPE_FN_FIELD_FCONTEXT (f, overload_idx), |
2736 | gdb_stdout); | |
c906108c SS |
2737 | printf_filtered ("\n"); |
2738 | ||
2739 | printfi_filtered (spaces + 8, "is_const %d\n", | |
2740 | TYPE_FN_FIELD_CONST (f, overload_idx)); | |
2741 | printfi_filtered (spaces + 8, "is_volatile %d\n", | |
2742 | TYPE_FN_FIELD_VOLATILE (f, overload_idx)); | |
2743 | printfi_filtered (spaces + 8, "is_private %d\n", | |
2744 | TYPE_FN_FIELD_PRIVATE (f, overload_idx)); | |
2745 | printfi_filtered (spaces + 8, "is_protected %d\n", | |
2746 | TYPE_FN_FIELD_PROTECTED (f, overload_idx)); | |
2747 | printfi_filtered (spaces + 8, "is_stub %d\n", | |
2748 | TYPE_FN_FIELD_STUB (f, overload_idx)); | |
2749 | printfi_filtered (spaces + 8, "voffset %u\n", | |
2750 | TYPE_FN_FIELD_VOFFSET (f, overload_idx)); | |
2751 | } | |
2752 | } | |
2753 | } | |
2754 | ||
2755 | static void | |
fba45db2 | 2756 | print_cplus_stuff (struct type *type, int spaces) |
c906108c SS |
2757 | { |
2758 | printfi_filtered (spaces, "n_baseclasses %d\n", | |
2759 | TYPE_N_BASECLASSES (type)); | |
2760 | printfi_filtered (spaces, "nfn_fields %d\n", | |
2761 | TYPE_NFN_FIELDS (type)); | |
2762 | printfi_filtered (spaces, "nfn_fields_total %d\n", | |
2763 | TYPE_NFN_FIELDS_TOTAL (type)); | |
2764 | if (TYPE_N_BASECLASSES (type) > 0) | |
2765 | { | |
2766 | printfi_filtered (spaces, "virtual_field_bits (%d bits at *", | |
2767 | TYPE_N_BASECLASSES (type)); | |
d4f3574e | 2768 | gdb_print_host_address (TYPE_FIELD_VIRTUAL_BITS (type), gdb_stdout); |
c906108c SS |
2769 | printf_filtered (")"); |
2770 | ||
2771 | print_bit_vector (TYPE_FIELD_VIRTUAL_BITS (type), | |
2772 | TYPE_N_BASECLASSES (type)); | |
2773 | puts_filtered ("\n"); | |
2774 | } | |
2775 | if (TYPE_NFIELDS (type) > 0) | |
2776 | { | |
2777 | if (TYPE_FIELD_PRIVATE_BITS (type) != NULL) | |
2778 | { | |
2779 | printfi_filtered (spaces, "private_field_bits (%d bits at *", | |
2780 | TYPE_NFIELDS (type)); | |
d4f3574e | 2781 | gdb_print_host_address (TYPE_FIELD_PRIVATE_BITS (type), gdb_stdout); |
c906108c SS |
2782 | printf_filtered (")"); |
2783 | print_bit_vector (TYPE_FIELD_PRIVATE_BITS (type), | |
2784 | TYPE_NFIELDS (type)); | |
2785 | puts_filtered ("\n"); | |
2786 | } | |
2787 | if (TYPE_FIELD_PROTECTED_BITS (type) != NULL) | |
2788 | { | |
2789 | printfi_filtered (spaces, "protected_field_bits (%d bits at *", | |
2790 | TYPE_NFIELDS (type)); | |
d4f3574e | 2791 | gdb_print_host_address (TYPE_FIELD_PROTECTED_BITS (type), gdb_stdout); |
c906108c SS |
2792 | printf_filtered (")"); |
2793 | print_bit_vector (TYPE_FIELD_PROTECTED_BITS (type), | |
2794 | TYPE_NFIELDS (type)); | |
2795 | puts_filtered ("\n"); | |
2796 | } | |
2797 | } | |
2798 | if (TYPE_NFN_FIELDS (type) > 0) | |
2799 | { | |
2800 | dump_fn_fieldlists (type, spaces); | |
2801 | } | |
2802 | } | |
2803 | ||
e9e79dd9 FF |
2804 | static void |
2805 | print_bound_type (int bt) | |
2806 | { | |
2807 | switch (bt) | |
2808 | { | |
2809 | case BOUND_CANNOT_BE_DETERMINED: | |
2810 | printf_filtered ("(BOUND_CANNOT_BE_DETERMINED)"); | |
2811 | break; | |
2812 | case BOUND_BY_REF_ON_STACK: | |
2813 | printf_filtered ("(BOUND_BY_REF_ON_STACK)"); | |
2814 | break; | |
2815 | case BOUND_BY_VALUE_ON_STACK: | |
2816 | printf_filtered ("(BOUND_BY_VALUE_ON_STACK)"); | |
2817 | break; | |
2818 | case BOUND_BY_REF_IN_REG: | |
2819 | printf_filtered ("(BOUND_BY_REF_IN_REG)"); | |
2820 | break; | |
2821 | case BOUND_BY_VALUE_IN_REG: | |
2822 | printf_filtered ("(BOUND_BY_VALUE_IN_REG)"); | |
2823 | break; | |
2824 | case BOUND_SIMPLE: | |
2825 | printf_filtered ("(BOUND_SIMPLE)"); | |
2826 | break; | |
2827 | default: | |
a3f17187 | 2828 | printf_filtered (_("(unknown bound type)")); |
e9e79dd9 FF |
2829 | break; |
2830 | } | |
2831 | } | |
2832 | ||
c906108c SS |
2833 | static struct obstack dont_print_type_obstack; |
2834 | ||
2835 | void | |
fba45db2 | 2836 | recursive_dump_type (struct type *type, int spaces) |
c906108c SS |
2837 | { |
2838 | int idx; | |
2839 | ||
2840 | if (spaces == 0) | |
2841 | obstack_begin (&dont_print_type_obstack, 0); | |
2842 | ||
2843 | if (TYPE_NFIELDS (type) > 0 | |
2844 | || (TYPE_CPLUS_SPECIFIC (type) && TYPE_NFN_FIELDS (type) > 0)) | |
2845 | { | |
2846 | struct type **first_dont_print | |
c5aa993b | 2847 | = (struct type **) obstack_base (&dont_print_type_obstack); |
c906108c | 2848 | |
c5aa993b JM |
2849 | int i = (struct type **) obstack_next_free (&dont_print_type_obstack) |
2850 | - first_dont_print; | |
c906108c SS |
2851 | |
2852 | while (--i >= 0) | |
2853 | { | |
2854 | if (type == first_dont_print[i]) | |
2855 | { | |
2856 | printfi_filtered (spaces, "type node "); | |
d4f3574e | 2857 | gdb_print_host_address (type, gdb_stdout); |
a3f17187 | 2858 | printf_filtered (_(" <same as already seen type>\n")); |
c906108c SS |
2859 | return; |
2860 | } | |
2861 | } | |
2862 | ||
2863 | obstack_ptr_grow (&dont_print_type_obstack, type); | |
2864 | } | |
2865 | ||
2866 | printfi_filtered (spaces, "type node "); | |
d4f3574e | 2867 | gdb_print_host_address (type, gdb_stdout); |
c906108c SS |
2868 | printf_filtered ("\n"); |
2869 | printfi_filtered (spaces, "name '%s' (", | |
2870 | TYPE_NAME (type) ? TYPE_NAME (type) : "<NULL>"); | |
d4f3574e | 2871 | gdb_print_host_address (TYPE_NAME (type), gdb_stdout); |
c906108c | 2872 | printf_filtered (")\n"); |
e9e79dd9 FF |
2873 | printfi_filtered (spaces, "tagname '%s' (", |
2874 | TYPE_TAG_NAME (type) ? TYPE_TAG_NAME (type) : "<NULL>"); | |
2875 | gdb_print_host_address (TYPE_TAG_NAME (type), gdb_stdout); | |
2876 | printf_filtered (")\n"); | |
c906108c SS |
2877 | printfi_filtered (spaces, "code 0x%x ", TYPE_CODE (type)); |
2878 | switch (TYPE_CODE (type)) | |
2879 | { | |
c5aa993b JM |
2880 | case TYPE_CODE_UNDEF: |
2881 | printf_filtered ("(TYPE_CODE_UNDEF)"); | |
2882 | break; | |
2883 | case TYPE_CODE_PTR: | |
2884 | printf_filtered ("(TYPE_CODE_PTR)"); | |
2885 | break; | |
2886 | case TYPE_CODE_ARRAY: | |
2887 | printf_filtered ("(TYPE_CODE_ARRAY)"); | |
2888 | break; | |
2889 | case TYPE_CODE_STRUCT: | |
2890 | printf_filtered ("(TYPE_CODE_STRUCT)"); | |
2891 | break; | |
2892 | case TYPE_CODE_UNION: | |
2893 | printf_filtered ("(TYPE_CODE_UNION)"); | |
2894 | break; | |
2895 | case TYPE_CODE_ENUM: | |
2896 | printf_filtered ("(TYPE_CODE_ENUM)"); | |
2897 | break; | |
4f2aea11 MK |
2898 | case TYPE_CODE_FLAGS: |
2899 | printf_filtered ("(TYPE_CODE_FLAGS)"); | |
2900 | break; | |
c5aa993b JM |
2901 | case TYPE_CODE_FUNC: |
2902 | printf_filtered ("(TYPE_CODE_FUNC)"); | |
2903 | break; | |
2904 | case TYPE_CODE_INT: | |
2905 | printf_filtered ("(TYPE_CODE_INT)"); | |
2906 | break; | |
2907 | case TYPE_CODE_FLT: | |
2908 | printf_filtered ("(TYPE_CODE_FLT)"); | |
2909 | break; | |
2910 | case TYPE_CODE_VOID: | |
2911 | printf_filtered ("(TYPE_CODE_VOID)"); | |
2912 | break; | |
2913 | case TYPE_CODE_SET: | |
2914 | printf_filtered ("(TYPE_CODE_SET)"); | |
2915 | break; | |
2916 | case TYPE_CODE_RANGE: | |
2917 | printf_filtered ("(TYPE_CODE_RANGE)"); | |
2918 | break; | |
2919 | case TYPE_CODE_STRING: | |
2920 | printf_filtered ("(TYPE_CODE_STRING)"); | |
2921 | break; | |
e9e79dd9 FF |
2922 | case TYPE_CODE_BITSTRING: |
2923 | printf_filtered ("(TYPE_CODE_BITSTRING)"); | |
2924 | break; | |
c5aa993b JM |
2925 | case TYPE_CODE_ERROR: |
2926 | printf_filtered ("(TYPE_CODE_ERROR)"); | |
2927 | break; | |
0d5de010 DJ |
2928 | case TYPE_CODE_MEMBERPTR: |
2929 | printf_filtered ("(TYPE_CODE_MEMBERPTR)"); | |
2930 | break; | |
2931 | case TYPE_CODE_METHODPTR: | |
2932 | printf_filtered ("(TYPE_CODE_METHODPTR)"); | |
c5aa993b JM |
2933 | break; |
2934 | case TYPE_CODE_METHOD: | |
2935 | printf_filtered ("(TYPE_CODE_METHOD)"); | |
2936 | break; | |
2937 | case TYPE_CODE_REF: | |
2938 | printf_filtered ("(TYPE_CODE_REF)"); | |
2939 | break; | |
2940 | case TYPE_CODE_CHAR: | |
2941 | printf_filtered ("(TYPE_CODE_CHAR)"); | |
2942 | break; | |
2943 | case TYPE_CODE_BOOL: | |
2944 | printf_filtered ("(TYPE_CODE_BOOL)"); | |
2945 | break; | |
e9e79dd9 FF |
2946 | case TYPE_CODE_COMPLEX: |
2947 | printf_filtered ("(TYPE_CODE_COMPLEX)"); | |
2948 | break; | |
c5aa993b JM |
2949 | case TYPE_CODE_TYPEDEF: |
2950 | printf_filtered ("(TYPE_CODE_TYPEDEF)"); | |
2951 | break; | |
e9e79dd9 FF |
2952 | case TYPE_CODE_TEMPLATE: |
2953 | printf_filtered ("(TYPE_CODE_TEMPLATE)"); | |
2954 | break; | |
2955 | case TYPE_CODE_TEMPLATE_ARG: | |
2956 | printf_filtered ("(TYPE_CODE_TEMPLATE_ARG)"); | |
2957 | break; | |
5c4e30ca DC |
2958 | case TYPE_CODE_NAMESPACE: |
2959 | printf_filtered ("(TYPE_CODE_NAMESPACE)"); | |
2960 | break; | |
c5aa993b JM |
2961 | default: |
2962 | printf_filtered ("(UNKNOWN TYPE CODE)"); | |
2963 | break; | |
c906108c SS |
2964 | } |
2965 | puts_filtered ("\n"); | |
2966 | printfi_filtered (spaces, "length %d\n", TYPE_LENGTH (type)); | |
e9e79dd9 FF |
2967 | printfi_filtered (spaces, "upper_bound_type 0x%x ", |
2968 | TYPE_ARRAY_UPPER_BOUND_TYPE (type)); | |
2969 | print_bound_type (TYPE_ARRAY_UPPER_BOUND_TYPE (type)); | |
2970 | puts_filtered ("\n"); | |
2971 | printfi_filtered (spaces, "lower_bound_type 0x%x ", | |
2972 | TYPE_ARRAY_LOWER_BOUND_TYPE (type)); | |
2973 | print_bound_type (TYPE_ARRAY_LOWER_BOUND_TYPE (type)); | |
2974 | puts_filtered ("\n"); | |
c906108c | 2975 | printfi_filtered (spaces, "objfile "); |
d4f3574e | 2976 | gdb_print_host_address (TYPE_OBJFILE (type), gdb_stdout); |
c906108c SS |
2977 | printf_filtered ("\n"); |
2978 | printfi_filtered (spaces, "target_type "); | |
d4f3574e | 2979 | gdb_print_host_address (TYPE_TARGET_TYPE (type), gdb_stdout); |
c906108c SS |
2980 | printf_filtered ("\n"); |
2981 | if (TYPE_TARGET_TYPE (type) != NULL) | |
2982 | { | |
2983 | recursive_dump_type (TYPE_TARGET_TYPE (type), spaces + 2); | |
2984 | } | |
2985 | printfi_filtered (spaces, "pointer_type "); | |
d4f3574e | 2986 | gdb_print_host_address (TYPE_POINTER_TYPE (type), gdb_stdout); |
c906108c SS |
2987 | printf_filtered ("\n"); |
2988 | printfi_filtered (spaces, "reference_type "); | |
d4f3574e | 2989 | gdb_print_host_address (TYPE_REFERENCE_TYPE (type), gdb_stdout); |
c906108c | 2990 | printf_filtered ("\n"); |
2fdde8f8 DJ |
2991 | printfi_filtered (spaces, "type_chain "); |
2992 | gdb_print_host_address (TYPE_CHAIN (type), gdb_stdout); | |
e9e79dd9 | 2993 | printf_filtered ("\n"); |
2fdde8f8 DJ |
2994 | printfi_filtered (spaces, "instance_flags 0x%x", TYPE_INSTANCE_FLAGS (type)); |
2995 | if (TYPE_CONST (type)) | |
2996 | { | |
2997 | puts_filtered (" TYPE_FLAG_CONST"); | |
2998 | } | |
2999 | if (TYPE_VOLATILE (type)) | |
3000 | { | |
3001 | puts_filtered (" TYPE_FLAG_VOLATILE"); | |
3002 | } | |
3003 | if (TYPE_CODE_SPACE (type)) | |
3004 | { | |
3005 | puts_filtered (" TYPE_FLAG_CODE_SPACE"); | |
3006 | } | |
3007 | if (TYPE_DATA_SPACE (type)) | |
3008 | { | |
3009 | puts_filtered (" TYPE_FLAG_DATA_SPACE"); | |
3010 | } | |
8b2dbe47 KB |
3011 | if (TYPE_ADDRESS_CLASS_1 (type)) |
3012 | { | |
3013 | puts_filtered (" TYPE_FLAG_ADDRESS_CLASS_1"); | |
3014 | } | |
3015 | if (TYPE_ADDRESS_CLASS_2 (type)) | |
3016 | { | |
3017 | puts_filtered (" TYPE_FLAG_ADDRESS_CLASS_2"); | |
3018 | } | |
2fdde8f8 | 3019 | puts_filtered ("\n"); |
c906108c | 3020 | printfi_filtered (spaces, "flags 0x%x", TYPE_FLAGS (type)); |
762a036f | 3021 | if (TYPE_UNSIGNED (type)) |
c906108c SS |
3022 | { |
3023 | puts_filtered (" TYPE_FLAG_UNSIGNED"); | |
3024 | } | |
762a036f FF |
3025 | if (TYPE_NOSIGN (type)) |
3026 | { | |
3027 | puts_filtered (" TYPE_FLAG_NOSIGN"); | |
3028 | } | |
3029 | if (TYPE_STUB (type)) | |
c906108c SS |
3030 | { |
3031 | puts_filtered (" TYPE_FLAG_STUB"); | |
3032 | } | |
762a036f FF |
3033 | if (TYPE_TARGET_STUB (type)) |
3034 | { | |
3035 | puts_filtered (" TYPE_FLAG_TARGET_STUB"); | |
3036 | } | |
3037 | if (TYPE_STATIC (type)) | |
3038 | { | |
3039 | puts_filtered (" TYPE_FLAG_STATIC"); | |
3040 | } | |
762a036f FF |
3041 | if (TYPE_PROTOTYPED (type)) |
3042 | { | |
3043 | puts_filtered (" TYPE_FLAG_PROTOTYPED"); | |
3044 | } | |
3045 | if (TYPE_INCOMPLETE (type)) | |
3046 | { | |
3047 | puts_filtered (" TYPE_FLAG_INCOMPLETE"); | |
3048 | } | |
762a036f FF |
3049 | if (TYPE_VARARGS (type)) |
3050 | { | |
3051 | puts_filtered (" TYPE_FLAG_VARARGS"); | |
3052 | } | |
f5f8a009 EZ |
3053 | /* This is used for things like AltiVec registers on ppc. Gcc emits |
3054 | an attribute for the array type, which tells whether or not we | |
3055 | have a vector, instead of a regular array. */ | |
3056 | if (TYPE_VECTOR (type)) | |
3057 | { | |
3058 | puts_filtered (" TYPE_FLAG_VECTOR"); | |
3059 | } | |
c906108c SS |
3060 | puts_filtered ("\n"); |
3061 | printfi_filtered (spaces, "nfields %d ", TYPE_NFIELDS (type)); | |
d4f3574e | 3062 | gdb_print_host_address (TYPE_FIELDS (type), gdb_stdout); |
c906108c SS |
3063 | puts_filtered ("\n"); |
3064 | for (idx = 0; idx < TYPE_NFIELDS (type); idx++) | |
3065 | { | |
3066 | printfi_filtered (spaces + 2, | |
3067 | "[%d] bitpos %d bitsize %d type ", | |
3068 | idx, TYPE_FIELD_BITPOS (type, idx), | |
3069 | TYPE_FIELD_BITSIZE (type, idx)); | |
d4f3574e | 3070 | gdb_print_host_address (TYPE_FIELD_TYPE (type, idx), gdb_stdout); |
c906108c SS |
3071 | printf_filtered (" name '%s' (", |
3072 | TYPE_FIELD_NAME (type, idx) != NULL | |
3073 | ? TYPE_FIELD_NAME (type, idx) | |
3074 | : "<NULL>"); | |
d4f3574e | 3075 | gdb_print_host_address (TYPE_FIELD_NAME (type, idx), gdb_stdout); |
c906108c SS |
3076 | printf_filtered (")\n"); |
3077 | if (TYPE_FIELD_TYPE (type, idx) != NULL) | |
3078 | { | |
3079 | recursive_dump_type (TYPE_FIELD_TYPE (type, idx), spaces + 4); | |
3080 | } | |
3081 | } | |
3082 | printfi_filtered (spaces, "vptr_basetype "); | |
d4f3574e | 3083 | gdb_print_host_address (TYPE_VPTR_BASETYPE (type), gdb_stdout); |
c906108c SS |
3084 | puts_filtered ("\n"); |
3085 | if (TYPE_VPTR_BASETYPE (type) != NULL) | |
3086 | { | |
3087 | recursive_dump_type (TYPE_VPTR_BASETYPE (type), spaces + 2); | |
3088 | } | |
3089 | printfi_filtered (spaces, "vptr_fieldno %d\n", TYPE_VPTR_FIELDNO (type)); | |
3090 | switch (TYPE_CODE (type)) | |
3091 | { | |
c5aa993b JM |
3092 | case TYPE_CODE_STRUCT: |
3093 | printfi_filtered (spaces, "cplus_stuff "); | |
d4f3574e | 3094 | gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout); |
c5aa993b JM |
3095 | puts_filtered ("\n"); |
3096 | print_cplus_stuff (type, spaces); | |
3097 | break; | |
c906108c | 3098 | |
701c159d AC |
3099 | case TYPE_CODE_FLT: |
3100 | printfi_filtered (spaces, "floatformat "); | |
8da61cc4 | 3101 | if (TYPE_FLOATFORMAT (type) == NULL) |
701c159d AC |
3102 | puts_filtered ("(null)"); |
3103 | else | |
8da61cc4 DJ |
3104 | { |
3105 | puts_filtered ("{ "); | |
3106 | if (TYPE_FLOATFORMAT (type)[0] == NULL | |
3107 | || TYPE_FLOATFORMAT (type)[0]->name == NULL) | |
3108 | puts_filtered ("(null)"); | |
3109 | else | |
3110 | puts_filtered (TYPE_FLOATFORMAT (type)[0]->name); | |
3111 | ||
3112 | puts_filtered (", "); | |
3113 | if (TYPE_FLOATFORMAT (type)[1] == NULL | |
3114 | || TYPE_FLOATFORMAT (type)[1]->name == NULL) | |
3115 | puts_filtered ("(null)"); | |
3116 | else | |
3117 | puts_filtered (TYPE_FLOATFORMAT (type)[1]->name); | |
3118 | ||
3119 | puts_filtered (" }"); | |
3120 | } | |
701c159d AC |
3121 | puts_filtered ("\n"); |
3122 | break; | |
3123 | ||
c5aa993b JM |
3124 | default: |
3125 | /* We have to pick one of the union types to be able print and test | |
7b83ea04 AC |
3126 | the value. Pick cplus_struct_type, even though we know it isn't |
3127 | any particular one. */ | |
c5aa993b | 3128 | printfi_filtered (spaces, "type_specific "); |
d4f3574e | 3129 | gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout); |
c5aa993b JM |
3130 | if (TYPE_CPLUS_SPECIFIC (type) != NULL) |
3131 | { | |
a3f17187 | 3132 | printf_filtered (_(" (unknown data form)")); |
c5aa993b JM |
3133 | } |
3134 | printf_filtered ("\n"); | |
3135 | break; | |
c906108c SS |
3136 | |
3137 | } | |
3138 | if (spaces == 0) | |
3139 | obstack_free (&dont_print_type_obstack, NULL); | |
3140 | } | |
3141 | ||
ae5a43e0 DJ |
3142 | /* Trivial helpers for the libiberty hash table, for mapping one |
3143 | type to another. */ | |
3144 | ||
3145 | struct type_pair | |
3146 | { | |
3147 | struct type *old, *new; | |
3148 | }; | |
3149 | ||
3150 | static hashval_t | |
3151 | type_pair_hash (const void *item) | |
3152 | { | |
3153 | const struct type_pair *pair = item; | |
3154 | return htab_hash_pointer (pair->old); | |
3155 | } | |
3156 | ||
3157 | static int | |
3158 | type_pair_eq (const void *item_lhs, const void *item_rhs) | |
3159 | { | |
3160 | const struct type_pair *lhs = item_lhs, *rhs = item_rhs; | |
3161 | return lhs->old == rhs->old; | |
3162 | } | |
3163 | ||
3164 | /* Allocate the hash table used by copy_type_recursive to walk | |
3165 | types without duplicates. We use OBJFILE's obstack, because | |
3166 | OBJFILE is about to be deleted. */ | |
3167 | ||
3168 | htab_t | |
3169 | create_copied_types_hash (struct objfile *objfile) | |
3170 | { | |
3171 | return htab_create_alloc_ex (1, type_pair_hash, type_pair_eq, | |
3172 | NULL, &objfile->objfile_obstack, | |
3173 | hashtab_obstack_allocate, | |
3174 | dummy_obstack_deallocate); | |
3175 | } | |
3176 | ||
3177 | /* Recursively copy (deep copy) TYPE, if it is associated with OBJFILE. | |
3178 | Return a new type allocated using malloc, a saved type if we have already | |
3179 | visited TYPE (using COPIED_TYPES), or TYPE if it is not associated with | |
3180 | OBJFILE. */ | |
3181 | ||
3182 | struct type * | |
3183 | copy_type_recursive (struct objfile *objfile, struct type *type, | |
3184 | htab_t copied_types) | |
3185 | { | |
3186 | struct type_pair *stored, pair; | |
3187 | void **slot; | |
3188 | struct type *new_type; | |
3189 | ||
3190 | if (TYPE_OBJFILE (type) == NULL) | |
3191 | return type; | |
3192 | ||
3193 | /* This type shouldn't be pointing to any types in other objfiles; if | |
3194 | it did, the type might disappear unexpectedly. */ | |
3195 | gdb_assert (TYPE_OBJFILE (type) == objfile); | |
3196 | ||
3197 | pair.old = type; | |
3198 | slot = htab_find_slot (copied_types, &pair, INSERT); | |
3199 | if (*slot != NULL) | |
3200 | return ((struct type_pair *) *slot)->new; | |
3201 | ||
3202 | new_type = alloc_type (NULL); | |
3203 | ||
3204 | /* We must add the new type to the hash table immediately, in case | |
3205 | we encounter this type again during a recursive call below. */ | |
3206 | stored = xmalloc (sizeof (struct type_pair)); | |
3207 | stored->old = type; | |
3208 | stored->new = new_type; | |
3209 | *slot = stored; | |
3210 | ||
3211 | /* Copy the common fields of types. */ | |
3212 | TYPE_CODE (new_type) = TYPE_CODE (type); | |
3213 | TYPE_ARRAY_UPPER_BOUND_TYPE (new_type) = TYPE_ARRAY_UPPER_BOUND_TYPE (type); | |
3214 | TYPE_ARRAY_LOWER_BOUND_TYPE (new_type) = TYPE_ARRAY_LOWER_BOUND_TYPE (type); | |
3215 | if (TYPE_NAME (type)) | |
3216 | TYPE_NAME (new_type) = xstrdup (TYPE_NAME (type)); | |
3217 | if (TYPE_TAG_NAME (type)) | |
3218 | TYPE_TAG_NAME (new_type) = xstrdup (TYPE_TAG_NAME (type)); | |
3219 | TYPE_FLAGS (new_type) = TYPE_FLAGS (type); | |
3220 | TYPE_VPTR_FIELDNO (new_type) = TYPE_VPTR_FIELDNO (type); | |
3221 | ||
3222 | TYPE_INSTANCE_FLAGS (new_type) = TYPE_INSTANCE_FLAGS (type); | |
3223 | TYPE_LENGTH (new_type) = TYPE_LENGTH (type); | |
3224 | ||
3225 | /* Copy the fields. */ | |
3226 | TYPE_NFIELDS (new_type) = TYPE_NFIELDS (type); | |
3227 | if (TYPE_NFIELDS (type)) | |
3228 | { | |
3229 | int i, nfields; | |
3230 | ||
3231 | nfields = TYPE_NFIELDS (type); | |
3232 | TYPE_FIELDS (new_type) = xmalloc (sizeof (struct field) * nfields); | |
3233 | for (i = 0; i < nfields; i++) | |
3234 | { | |
3235 | TYPE_FIELD_ARTIFICIAL (new_type, i) = TYPE_FIELD_ARTIFICIAL (type, i); | |
3236 | TYPE_FIELD_BITSIZE (new_type, i) = TYPE_FIELD_BITSIZE (type, i); | |
3237 | if (TYPE_FIELD_TYPE (type, i)) | |
3238 | TYPE_FIELD_TYPE (new_type, i) | |
3239 | = copy_type_recursive (objfile, TYPE_FIELD_TYPE (type, i), | |
3240 | copied_types); | |
3241 | if (TYPE_FIELD_NAME (type, i)) | |
3242 | TYPE_FIELD_NAME (new_type, i) = xstrdup (TYPE_FIELD_NAME (type, i)); | |
3243 | if (TYPE_FIELD_STATIC_HAS_ADDR (type, i)) | |
3244 | SET_FIELD_PHYSADDR (TYPE_FIELD (new_type, i), | |
3245 | TYPE_FIELD_STATIC_PHYSADDR (type, i)); | |
3246 | else if (TYPE_FIELD_STATIC (type, i)) | |
3247 | SET_FIELD_PHYSNAME (TYPE_FIELD (new_type, i), | |
3248 | xstrdup (TYPE_FIELD_STATIC_PHYSNAME (type, i))); | |
3249 | else | |
3250 | { | |
3251 | TYPE_FIELD_BITPOS (new_type, i) = TYPE_FIELD_BITPOS (type, i); | |
3252 | TYPE_FIELD_STATIC_KIND (new_type, i) = 0; | |
3253 | } | |
3254 | } | |
3255 | } | |
3256 | ||
3257 | /* Copy pointers to other types. */ | |
3258 | if (TYPE_TARGET_TYPE (type)) | |
3259 | TYPE_TARGET_TYPE (new_type) = copy_type_recursive (objfile, | |
3260 | TYPE_TARGET_TYPE (type), | |
3261 | copied_types); | |
3262 | if (TYPE_VPTR_BASETYPE (type)) | |
3263 | TYPE_VPTR_BASETYPE (new_type) = copy_type_recursive (objfile, | |
3264 | TYPE_VPTR_BASETYPE (type), | |
3265 | copied_types); | |
3266 | /* Maybe copy the type_specific bits. | |
3267 | ||
3268 | NOTE drow/2005-12-09: We do not copy the C++-specific bits like | |
3269 | base classes and methods. There's no fundamental reason why we | |
3270 | can't, but at the moment it is not needed. */ | |
3271 | ||
3272 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
d5d6fca5 | 3273 | TYPE_FLOATFORMAT (new_type) = TYPE_FLOATFORMAT (type); |
ae5a43e0 DJ |
3274 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT |
3275 | || TYPE_CODE (type) == TYPE_CODE_UNION | |
3276 | || TYPE_CODE (type) == TYPE_CODE_TEMPLATE | |
3277 | || TYPE_CODE (type) == TYPE_CODE_NAMESPACE) | |
3278 | INIT_CPLUS_SPECIFIC (new_type); | |
3279 | ||
3280 | return new_type; | |
3281 | } | |
3282 | ||
8da61cc4 DJ |
3283 | static struct type * |
3284 | build_flt (int bit, char *name, const struct floatformat **floatformats) | |
3285 | { | |
3286 | struct type *t; | |
3287 | ||
3288 | if (bit == -1) | |
3289 | { | |
3290 | gdb_assert (floatformats != NULL); | |
3291 | gdb_assert (floatformats[0] != NULL && floatformats[1] != NULL); | |
3292 | bit = floatformats[0]->totalsize; | |
3293 | } | |
3294 | gdb_assert (bit >= 0); | |
3295 | ||
3296 | t = init_type (TYPE_CODE_FLT, bit / TARGET_CHAR_BIT, 0, name, NULL); | |
3297 | TYPE_FLOATFORMAT (t) = floatformats; | |
3298 | return t; | |
3299 | } | |
3300 | ||
c906108c | 3301 | static void |
fba45db2 | 3302 | build_gdbtypes (void) |
c906108c | 3303 | { |
2372d65a JB |
3304 | builtin_type_void = |
3305 | init_type (TYPE_CODE_VOID, 1, | |
3306 | 0, | |
3307 | "void", (struct objfile *) NULL); | |
c906108c SS |
3308 | builtin_type_char = |
3309 | init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
4e409299 | 3310 | (TYPE_FLAG_NOSIGN |
6c6b19fd UW |
3311 | | (gdbarch_char_signed (current_gdbarch) ? |
3312 | 0 : TYPE_FLAG_UNSIGNED)), | |
c906108c | 3313 | "char", (struct objfile *) NULL); |
c5aa993b | 3314 | builtin_type_true_char = |
9e0b60a8 JM |
3315 | init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, |
3316 | 0, | |
3317 | "true character", (struct objfile *) NULL); | |
c906108c SS |
3318 | builtin_type_signed_char = |
3319 | init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3320 | 0, | |
3321 | "signed char", (struct objfile *) NULL); | |
3322 | builtin_type_unsigned_char = | |
3323 | init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3324 | TYPE_FLAG_UNSIGNED, | |
3325 | "unsigned char", (struct objfile *) NULL); | |
3326 | builtin_type_short = | |
9a76efb6 UW |
3327 | init_type (TYPE_CODE_INT, |
3328 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3329 | 0, "short", (struct objfile *) NULL); | |
c906108c | 3330 | builtin_type_unsigned_short = |
9a76efb6 UW |
3331 | init_type (TYPE_CODE_INT, |
3332 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3333 | TYPE_FLAG_UNSIGNED, "unsigned short", (struct objfile *) NULL); | |
c906108c | 3334 | builtin_type_int = |
9a76efb6 UW |
3335 | init_type (TYPE_CODE_INT, |
3336 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3337 | 0, "int", (struct objfile *) NULL); | |
c906108c | 3338 | builtin_type_unsigned_int = |
9a76efb6 UW |
3339 | init_type (TYPE_CODE_INT, |
3340 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3341 | TYPE_FLAG_UNSIGNED, "unsigned int", (struct objfile *) NULL); | |
c906108c | 3342 | builtin_type_long = |
9a76efb6 UW |
3343 | init_type (TYPE_CODE_INT, |
3344 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3345 | 0, "long", (struct objfile *) NULL); | |
c906108c | 3346 | builtin_type_unsigned_long = |
9a76efb6 UW |
3347 | init_type (TYPE_CODE_INT, |
3348 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3349 | TYPE_FLAG_UNSIGNED, "unsigned long", (struct objfile *) NULL); | |
c906108c | 3350 | builtin_type_long_long = |
9a76efb6 UW |
3351 | init_type (TYPE_CODE_INT, |
3352 | gdbarch_long_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3353 | 0, "long long", (struct objfile *) NULL); | |
c5aa993b | 3354 | builtin_type_unsigned_long_long = |
9a76efb6 UW |
3355 | init_type (TYPE_CODE_INT, |
3356 | gdbarch_long_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3357 | TYPE_FLAG_UNSIGNED, | |
c906108c | 3358 | "unsigned long long", (struct objfile *) NULL); |
ea06eb3d UW |
3359 | |
3360 | builtin_type_float | |
3361 | = build_flt (gdbarch_float_bit (current_gdbarch), "float", | |
3362 | gdbarch_float_format (current_gdbarch)); | |
3363 | builtin_type_double | |
3364 | = build_flt (gdbarch_double_bit (current_gdbarch), "double", | |
3365 | gdbarch_double_format (current_gdbarch)); | |
3366 | builtin_type_long_double | |
3367 | = build_flt (gdbarch_long_double_bit (current_gdbarch), "long double", | |
3368 | gdbarch_long_double_format | |
3369 | (current_gdbarch)); | |
8da61cc4 | 3370 | |
c906108c | 3371 | builtin_type_complex = |
ea06eb3d UW |
3372 | init_type (TYPE_CODE_COMPLEX, |
3373 | 2 * gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
c906108c SS |
3374 | 0, |
3375 | "complex", (struct objfile *) NULL); | |
3376 | TYPE_TARGET_TYPE (builtin_type_complex) = builtin_type_float; | |
3377 | builtin_type_double_complex = | |
ea06eb3d UW |
3378 | init_type (TYPE_CODE_COMPLEX, |
3379 | 2 * gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
c906108c SS |
3380 | 0, |
3381 | "double complex", (struct objfile *) NULL); | |
3382 | TYPE_TARGET_TYPE (builtin_type_double_complex) = builtin_type_double; | |
3383 | builtin_type_string = | |
3384 | init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3385 | 0, | |
3386 | "string", (struct objfile *) NULL); | |
c906108c SS |
3387 | builtin_type_bool = |
3388 | init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3389 | 0, | |
3390 | "bool", (struct objfile *) NULL); | |
3391 | ||
c5aa993b | 3392 | /* Add user knob for controlling resolution of opaque types */ |
5bf193a2 AC |
3393 | add_setshow_boolean_cmd ("opaque-type-resolution", class_support, |
3394 | &opaque_type_resolution, _("\ | |
3395 | Set resolution of opaque struct/class/union types (if set before loading symbols)."), _("\ | |
3396 | Show resolution of opaque struct/class/union types (if set before loading symbols)."), NULL, | |
3397 | NULL, | |
920d2a44 | 3398 | show_opaque_type_resolution, |
5bf193a2 | 3399 | &setlist, &showlist); |
c906108c SS |
3400 | opaque_type_resolution = 1; |
3401 | ||
c4093a6a | 3402 | /* Pointer/Address types. */ |
ee3a7b7f JB |
3403 | |
3404 | /* NOTE: on some targets, addresses and pointers are not necessarily | |
3405 | the same --- for example, on the D10V, pointers are 16 bits long, | |
3406 | but addresses are 32 bits long. See doc/gdbint.texinfo, | |
3407 | ``Pointers Are Not Always Addresses''. | |
3408 | ||
3409 | The upshot is: | |
3410 | - gdb's `struct type' always describes the target's | |
3411 | representation. | |
3412 | - gdb's `struct value' objects should always hold values in | |
3413 | target form. | |
3414 | - gdb's CORE_ADDR values are addresses in the unified virtual | |
3415 | address space that the assembler and linker work with. Thus, | |
3416 | since target_read_memory takes a CORE_ADDR as an argument, it | |
3417 | can access any memory on the target, even if the processor has | |
3418 | separate code and data address spaces. | |
3419 | ||
3420 | So, for example: | |
3421 | - If v is a value holding a D10V code pointer, its contents are | |
3422 | in target form: a big-endian address left-shifted two bits. | |
3423 | - If p is a D10V pointer type, TYPE_LENGTH (p) == 2, just as | |
3424 | sizeof (void *) == 2 on the target. | |
3425 | ||
3426 | In this context, builtin_type_CORE_ADDR is a bit odd: it's a | |
3427 | target type for a value the target will never see. It's only | |
3428 | used to hold the values of (typeless) linker symbols, which are | |
3429 | indeed in the unified virtual address space. */ | |
090a2205 | 3430 | builtin_type_void_data_ptr = make_pointer_type (builtin_type_void, NULL); |
ee3a7b7f JB |
3431 | builtin_type_void_func_ptr |
3432 | = lookup_pointer_type (lookup_function_type (builtin_type_void)); | |
c4093a6a | 3433 | builtin_type_CORE_ADDR = |
17a912b6 | 3434 | init_type (TYPE_CODE_INT, gdbarch_addr_bit (current_gdbarch) / 8, |
c4093a6a JM |
3435 | TYPE_FLAG_UNSIGNED, |
3436 | "__CORE_ADDR", (struct objfile *) NULL); | |
c906108c SS |
3437 | } |
3438 | ||
000177f0 AC |
3439 | static struct gdbarch_data *gdbtypes_data; |
3440 | ||
3441 | const struct builtin_type * | |
3442 | builtin_type (struct gdbarch *gdbarch) | |
3443 | { | |
3444 | return gdbarch_data (gdbarch, gdbtypes_data); | |
3445 | } | |
3446 | ||
70bd8e24 | 3447 | |
70bd8e24 AC |
3448 | static struct type * |
3449 | build_complex (int bit, char *name, struct type *target_type) | |
3450 | { | |
3451 | struct type *t; | |
3452 | if (bit <= 0 || target_type == builtin_type_error) | |
3453 | { | |
3454 | gdb_assert (builtin_type_error != NULL); | |
3455 | return builtin_type_error; | |
3456 | } | |
3457 | t = init_type (TYPE_CODE_COMPLEX, 2 * bit / TARGET_CHAR_BIT, | |
3458 | 0, name, (struct objfile *) NULL); | |
3459 | TYPE_TARGET_TYPE (t) = target_type; | |
3460 | return t; | |
3461 | } | |
3462 | ||
000177f0 AC |
3463 | static void * |
3464 | gdbtypes_post_init (struct gdbarch *gdbarch) | |
3465 | { | |
3466 | struct builtin_type *builtin_type | |
3467 | = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_type); | |
3468 | ||
3469 | builtin_type->builtin_void = | |
3470 | init_type (TYPE_CODE_VOID, 1, | |
3471 | 0, | |
3472 | "void", (struct objfile *) NULL); | |
3473 | builtin_type->builtin_char = | |
3474 | init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3475 | (TYPE_FLAG_NOSIGN | |
6c6b19fd UW |
3476 | | (gdbarch_char_signed (current_gdbarch) ? |
3477 | 0 : TYPE_FLAG_UNSIGNED)), | |
000177f0 | 3478 | "char", (struct objfile *) NULL); |
685419e2 | 3479 | builtin_type->builtin_true_char = |
000177f0 AC |
3480 | init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, |
3481 | 0, | |
3482 | "true character", (struct objfile *) NULL); | |
3483 | builtin_type->builtin_signed_char = | |
3484 | init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3485 | 0, | |
3486 | "signed char", (struct objfile *) NULL); | |
3487 | builtin_type->builtin_unsigned_char = | |
3488 | init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3489 | TYPE_FLAG_UNSIGNED, | |
3490 | "unsigned char", (struct objfile *) NULL); | |
3491 | builtin_type->builtin_short = | |
9a76efb6 UW |
3492 | init_type |
3493 | (TYPE_CODE_INT, gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3494 | 0, "short", (struct objfile *) NULL); | |
000177f0 | 3495 | builtin_type->builtin_unsigned_short = |
9a76efb6 UW |
3496 | init_type |
3497 | (TYPE_CODE_INT, gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3498 | TYPE_FLAG_UNSIGNED, "unsigned short", (struct objfile *) NULL); | |
000177f0 | 3499 | builtin_type->builtin_int = |
9a76efb6 UW |
3500 | init_type |
3501 | (TYPE_CODE_INT, gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3502 | 0, "int", (struct objfile *) NULL); | |
000177f0 | 3503 | builtin_type->builtin_unsigned_int = |
9a76efb6 UW |
3504 | init_type |
3505 | (TYPE_CODE_INT, gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3506 | TYPE_FLAG_UNSIGNED, "unsigned int", (struct objfile *) NULL); | |
000177f0 | 3507 | builtin_type->builtin_long = |
9a76efb6 UW |
3508 | init_type |
3509 | (TYPE_CODE_INT, gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3510 | 0, "long", (struct objfile *) NULL); | |
000177f0 | 3511 | builtin_type->builtin_unsigned_long = |
9a76efb6 UW |
3512 | init_type |
3513 | (TYPE_CODE_INT, gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3514 | TYPE_FLAG_UNSIGNED, "unsigned long", (struct objfile *) NULL); | |
000177f0 | 3515 | builtin_type->builtin_long_long = |
9a76efb6 UW |
3516 | init_type (TYPE_CODE_INT, |
3517 | gdbarch_long_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3518 | 0, "long long", (struct objfile *) NULL); | |
000177f0 | 3519 | builtin_type->builtin_unsigned_long_long = |
9a76efb6 UW |
3520 | init_type (TYPE_CODE_INT, |
3521 | gdbarch_long_long_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
3522 | TYPE_FLAG_UNSIGNED, "unsigned long long", | |
3523 | (struct objfile *) NULL); | |
70bd8e24 AC |
3524 | builtin_type->builtin_float |
3525 | = build_flt (gdbarch_float_bit (gdbarch), "float", | |
3526 | gdbarch_float_format (gdbarch)); | |
3527 | builtin_type->builtin_double | |
3528 | = build_flt (gdbarch_double_bit (gdbarch), "double", | |
3529 | gdbarch_double_format (gdbarch)); | |
3530 | builtin_type->builtin_long_double | |
3531 | = build_flt (gdbarch_long_double_bit (gdbarch), "long double", | |
3532 | gdbarch_long_double_format (gdbarch)); | |
3533 | builtin_type->builtin_complex | |
3534 | = build_complex (gdbarch_float_bit (gdbarch), "complex", | |
3535 | builtin_type->builtin_float); | |
3536 | builtin_type->builtin_double_complex | |
3537 | = build_complex (gdbarch_double_bit (gdbarch), "double complex", | |
3538 | builtin_type->builtin_double); | |
000177f0 AC |
3539 | builtin_type->builtin_string = |
3540 | init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3541 | 0, | |
3542 | "string", (struct objfile *) NULL); | |
000177f0 AC |
3543 | builtin_type->builtin_bool = |
3544 | init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
3545 | 0, | |
3546 | "bool", (struct objfile *) NULL); | |
3547 | ||
3548 | /* Pointer/Address types. */ | |
3549 | ||
3550 | /* NOTE: on some targets, addresses and pointers are not necessarily | |
3551 | the same --- for example, on the D10V, pointers are 16 bits long, | |
3552 | but addresses are 32 bits long. See doc/gdbint.texinfo, | |
3553 | ``Pointers Are Not Always Addresses''. | |
3554 | ||
3555 | The upshot is: | |
3556 | - gdb's `struct type' always describes the target's | |
3557 | representation. | |
3558 | - gdb's `struct value' objects should always hold values in | |
3559 | target form. | |
3560 | - gdb's CORE_ADDR values are addresses in the unified virtual | |
3561 | address space that the assembler and linker work with. Thus, | |
3562 | since target_read_memory takes a CORE_ADDR as an argument, it | |
3563 | can access any memory on the target, even if the processor has | |
3564 | separate code and data address spaces. | |
3565 | ||
3566 | So, for example: | |
3567 | - If v is a value holding a D10V code pointer, its contents are | |
3568 | in target form: a big-endian address left-shifted two bits. | |
3569 | - If p is a D10V pointer type, TYPE_LENGTH (p) == 2, just as | |
3570 | sizeof (void *) == 2 on the target. | |
3571 | ||
3572 | In this context, builtin_type->CORE_ADDR is a bit odd: it's a | |
3573 | target type for a value the target will never see. It's only | |
3574 | used to hold the values of (typeless) linker symbols, which are | |
3575 | indeed in the unified virtual address space. */ | |
3576 | builtin_type->builtin_data_ptr | |
3577 | = make_pointer_type (builtin_type->builtin_void, NULL); | |
3578 | builtin_type->builtin_func_ptr | |
3579 | = lookup_pointer_type (lookup_function_type (builtin_type->builtin_void)); | |
3580 | builtin_type->builtin_core_addr = | |
17a912b6 | 3581 | init_type (TYPE_CODE_INT, gdbarch_addr_bit (current_gdbarch) / 8, |
000177f0 AC |
3582 | TYPE_FLAG_UNSIGNED, |
3583 | "__CORE_ADDR", (struct objfile *) NULL); | |
3584 | ||
64c50499 UW |
3585 | |
3586 | /* The following set of types is used for symbols with no | |
3587 | debug information. */ | |
3588 | builtin_type->nodebug_text_symbol | |
3589 | = init_type (TYPE_CODE_FUNC, 1, 0, "<text variable, no debug info>", NULL); | |
3590 | TYPE_TARGET_TYPE (builtin_type->nodebug_text_symbol) | |
3591 | = builtin_type->builtin_int; | |
3592 | builtin_type->nodebug_data_symbol | |
3593 | = init_type (TYPE_CODE_INT, gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0, | |
3594 | "<data variable, no debug info>", NULL); | |
3595 | builtin_type->nodebug_unknown_symbol | |
3596 | = init_type (TYPE_CODE_INT, 1, 0, | |
3597 | "<variable (not text or data), no debug info>", NULL); | |
3598 | builtin_type->nodebug_tls_symbol | |
3599 | = init_type (TYPE_CODE_INT, gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0, | |
3600 | "<thread local variable, no debug info>", NULL); | |
3601 | ||
000177f0 AC |
3602 | return builtin_type; |
3603 | } | |
3604 | ||
a14ed312 | 3605 | extern void _initialize_gdbtypes (void); |
c906108c | 3606 | void |
fba45db2 | 3607 | _initialize_gdbtypes (void) |
c906108c | 3608 | { |
5d161b24 | 3609 | struct cmd_list_element *c; |
7ad6570d | 3610 | |
2372d65a JB |
3611 | /* FIXME: Why don't the following types need to be arch-swapped? |
3612 | See the comment at the top of the calls to | |
3613 | DEPRECATED_REGISTER_GDBARCH_SWAP below. */ | |
7ad6570d AC |
3614 | builtin_type_int0 = |
3615 | init_type (TYPE_CODE_INT, 0 / 8, | |
3616 | 0, | |
3617 | "int0_t", (struct objfile *) NULL); | |
3618 | builtin_type_int8 = | |
3619 | init_type (TYPE_CODE_INT, 8 / 8, | |
3620 | 0, | |
3621 | "int8_t", (struct objfile *) NULL); | |
3622 | builtin_type_uint8 = | |
3623 | init_type (TYPE_CODE_INT, 8 / 8, | |
3624 | TYPE_FLAG_UNSIGNED, | |
3625 | "uint8_t", (struct objfile *) NULL); | |
3626 | builtin_type_int16 = | |
3627 | init_type (TYPE_CODE_INT, 16 / 8, | |
3628 | 0, | |
3629 | "int16_t", (struct objfile *) NULL); | |
3630 | builtin_type_uint16 = | |
3631 | init_type (TYPE_CODE_INT, 16 / 8, | |
3632 | TYPE_FLAG_UNSIGNED, | |
3633 | "uint16_t", (struct objfile *) NULL); | |
3634 | builtin_type_int32 = | |
3635 | init_type (TYPE_CODE_INT, 32 / 8, | |
3636 | 0, | |
3637 | "int32_t", (struct objfile *) NULL); | |
3638 | builtin_type_uint32 = | |
3639 | init_type (TYPE_CODE_INT, 32 / 8, | |
3640 | TYPE_FLAG_UNSIGNED, | |
3641 | "uint32_t", (struct objfile *) NULL); | |
3642 | builtin_type_int64 = | |
3643 | init_type (TYPE_CODE_INT, 64 / 8, | |
3644 | 0, | |
3645 | "int64_t", (struct objfile *) NULL); | |
3646 | builtin_type_uint64 = | |
3647 | init_type (TYPE_CODE_INT, 64 / 8, | |
3648 | TYPE_FLAG_UNSIGNED, | |
3649 | "uint64_t", (struct objfile *) NULL); | |
3650 | builtin_type_int128 = | |
3651 | init_type (TYPE_CODE_INT, 128 / 8, | |
3652 | 0, | |
3653 | "int128_t", (struct objfile *) NULL); | |
3654 | builtin_type_uint128 = | |
3655 | init_type (TYPE_CODE_INT, 128 / 8, | |
3656 | TYPE_FLAG_UNSIGNED, | |
3657 | "uint128_t", (struct objfile *) NULL); | |
3658 | ||
c906108c | 3659 | build_gdbtypes (); |
0f71a2f6 | 3660 | |
000177f0 AC |
3661 | gdbtypes_data = gdbarch_data_register_post_init (gdbtypes_post_init); |
3662 | ||
0f71a2f6 JM |
3663 | /* FIXME - For the moment, handle types by swapping them in and out. |
3664 | Should be using the per-architecture data-pointer and a large | |
2372d65a JB |
3665 | struct. |
3666 | ||
3667 | Note that any type T that we might create a 'T *' type for must | |
3668 | be arch-swapped: we cache a type's 'T *' type in the pointer_type | |
3669 | field, so if we change architectures but don't swap T, then | |
3670 | lookup_pointer_type will start handing out pointer types made for | |
3671 | a different architecture. */ | |
3672 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_void); | |
046a4708 AC |
3673 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_char); |
3674 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_short); | |
3675 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_int); | |
3676 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_long); | |
3677 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_long_long); | |
3678 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_signed_char); | |
3679 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_unsigned_char); | |
3680 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_unsigned_short); | |
3681 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_unsigned_int); | |
3682 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_unsigned_long); | |
3683 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_unsigned_long_long); | |
3684 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_float); | |
3685 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_double); | |
3686 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_long_double); | |
3687 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_complex); | |
3688 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_double_complex); | |
3689 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_string); | |
046a4708 AC |
3690 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_void_data_ptr); |
3691 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_void_func_ptr); | |
3692 | DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_CORE_ADDR); | |
046a4708 | 3693 | deprecated_register_gdbarch_swap (NULL, 0, build_gdbtypes); |
5d161b24 | 3694 | |
598f52df | 3695 | /* Note: These types do not need to be swapped - they are target |
2372d65a JB |
3696 | neutral. FIXME: Are you sure? See the comment above the calls |
3697 | to DEPRECATED_REGISTER_GDBARCH_SWAP above. */ | |
8da61cc4 DJ |
3698 | builtin_type_ieee_single |
3699 | = build_flt (-1, "builtin_type_ieee_single", floatformats_ieee_single); | |
3700 | builtin_type_ieee_double | |
3701 | = build_flt (-1, "builtin_type_ieee_double", floatformats_ieee_double); | |
3702 | builtin_type_i387_ext | |
3703 | = build_flt (-1, "builtin_type_i387_ext", floatformats_i387_ext); | |
3704 | builtin_type_m68881_ext | |
3705 | = build_flt (-1, "builtin_type_m68881_ext", floatformats_m68881_ext); | |
3706 | builtin_type_arm_ext | |
3707 | = build_flt (-1, "builtin_type_arm_ext", floatformats_arm_ext); | |
3708 | builtin_type_ia64_spill | |
3709 | = build_flt (-1, "builtin_type_ia64_spill", floatformats_ia64_spill); | |
3710 | builtin_type_ia64_quad | |
3711 | = build_flt (-1, "builtin_type_ia64_quad", floatformats_ia64_quad); | |
598f52df | 3712 | |
85c07804 AC |
3713 | add_setshow_zinteger_cmd ("overload", no_class, &overload_debug, _("\ |
3714 | Set debugging of C++ overloading."), _("\ | |
3715 | Show debugging of C++ overloading."), _("\ | |
3716 | When enabled, ranking of the functions is displayed."), | |
3717 | NULL, | |
920d2a44 | 3718 | show_overload_debug, |
85c07804 | 3719 | &setdebuglist, &showdebuglist); |
c906108c | 3720 | } |