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c906108c | 1 | /* Support for printing C values for GDB, the GNU debugger. |
1bac305b | 2 | |
1d506c26 | 3 | Copyright (C) 1986-2024 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 19 | |
ec452525 | 20 | #include "extract-store-integer.h" |
4de283e4 | 21 | #include "symtab.h" |
d55e5aa6 | 22 | #include "gdbtypes.h" |
4de283e4 TT |
23 | #include "expression.h" |
24 | #include "value.h" | |
25 | #include "valprint.h" | |
d55e5aa6 | 26 | #include "language.h" |
4de283e4 TT |
27 | #include "c-lang.h" |
28 | #include "cp-abi.h" | |
d55e5aa6 | 29 | #include "target.h" |
4de283e4 | 30 | #include "objfiles.h" |
c906108c | 31 | \f |
c5aa993b | 32 | |
96c07c5b | 33 | /* A helper for c_textual_element_type. This checks the name of the |
6c7a06a3 TT |
34 | typedef. This is bogus but it isn't apparent that the compiler |
35 | provides us the help we may need. */ | |
36 | ||
37 | static int | |
38 | textual_name (const char *name) | |
39 | { | |
40 | return (!strcmp (name, "wchar_t") | |
41 | || !strcmp (name, "char16_t") | |
42 | || !strcmp (name, "char32_t")); | |
43 | } | |
44 | ||
ea37ba09 DJ |
45 | /* Apply a heuristic to decide whether an array of TYPE or a pointer |
46 | to TYPE should be printed as a textual string. Return non-zero if | |
47 | it should, or zero if it should be treated as an array of integers | |
aff410f1 MS |
48 | or pointer to integers. FORMAT is the current format letter, or 0 |
49 | if none. | |
ea37ba09 DJ |
50 | |
51 | We guess that "char" is a character. Explicitly signed and | |
52 | unsigned character types are also characters. Integer data from | |
53 | vector types is not. The user can override this by using the /s | |
54 | format letter. */ | |
55 | ||
96c07c5b TT |
56 | int |
57 | c_textual_element_type (struct type *type, char format) | |
ea37ba09 | 58 | { |
85e306ed | 59 | struct type *true_type, *iter_type; |
ea37ba09 DJ |
60 | |
61 | if (format != 0 && format != 's') | |
62 | return 0; | |
63 | ||
85e306ed TT |
64 | /* We also rely on this for its side effect of setting up all the |
65 | typedef pointers. */ | |
66 | true_type = check_typedef (type); | |
67 | ||
ea37ba09 | 68 | /* TYPE_CODE_CHAR is always textual. */ |
78134374 | 69 | if (true_type->code () == TYPE_CODE_CHAR) |
ea37ba09 | 70 | return 1; |
85e306ed | 71 | |
6c7a06a3 | 72 | /* Any other character-like types must be integral. */ |
78134374 | 73 | if (true_type->code () != TYPE_CODE_INT) |
6c7a06a3 TT |
74 | return 0; |
75 | ||
85e306ed TT |
76 | /* We peel typedefs one by one, looking for a match. */ |
77 | iter_type = type; | |
78 | while (iter_type) | |
79 | { | |
80 | /* Check the name of the type. */ | |
7d93a1e0 | 81 | if (iter_type->name () && textual_name (iter_type->name ())) |
85e306ed TT |
82 | return 1; |
83 | ||
78134374 | 84 | if (iter_type->code () != TYPE_CODE_TYPEDEF) |
85e306ed TT |
85 | break; |
86 | ||
87 | /* Peel a single typedef. If the typedef doesn't have a target | |
88 | type, we use check_typedef and hope the result is ok -- it | |
89 | might be for C++, where wchar_t is a built-in type. */ | |
27710edb SM |
90 | if (iter_type->target_type ()) |
91 | iter_type = iter_type->target_type (); | |
85e306ed TT |
92 | else |
93 | iter_type = check_typedef (iter_type); | |
94 | } | |
ea37ba09 DJ |
95 | |
96 | if (format == 's') | |
97 | { | |
aff410f1 MS |
98 | /* Print this as a string if we can manage it. For now, no wide |
99 | character support. */ | |
78134374 | 100 | if (true_type->code () == TYPE_CODE_INT |
df86565b | 101 | && true_type->length () == 1) |
ea37ba09 DJ |
102 | return 1; |
103 | } | |
104 | else | |
105 | { | |
106 | /* If a one-byte TYPE_CODE_INT is missing the not-a-character | |
107 | flag, then we treat it as text; otherwise, we assume it's | |
108 | being used as data. */ | |
78134374 | 109 | if (true_type->code () == TYPE_CODE_INT |
df86565b | 110 | && true_type->length () == 1 |
ea37ba09 DJ |
111 | && !TYPE_NOTTEXT (true_type)) |
112 | return 1; | |
113 | } | |
114 | ||
115 | return 0; | |
116 | } | |
117 | ||
e88acd96 TT |
118 | /* Decorations for C. */ |
119 | ||
120 | static const struct generic_val_print_decorations c_decorations = | |
121 | { | |
122 | "", | |
123 | " + ", | |
981c08ce | 124 | "i", |
e88acd96 TT |
125 | "true", |
126 | "false", | |
00272ec4 TT |
127 | "void", |
128 | "{", | |
129 | "}" | |
e88acd96 TT |
130 | }; |
131 | ||
1033c33c SM |
132 | /* Print a pointer based on the type of its target. |
133 | ||
134 | Arguments to this functions are roughly the same as those in c_val_print. | |
135 | A difference is that ADDRESS is the address to print, with embedded_offset | |
136 | already added. UNRESOLVED_ELTTYPE and ELTTYPE represent the pointed type, | |
137 | respectively before and after check_typedef. */ | |
138 | ||
139 | static void | |
140 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
141 | struct type *unresolved_elttype, | |
142 | const gdb_byte *valaddr, int embedded_offset, | |
143 | CORE_ADDR address, struct ui_file *stream, int recurse, | |
144 | const struct value_print_options *options) | |
145 | { | |
146 | int want_space = 0; | |
8ee511af | 147 | struct gdbarch *gdbarch = type->arch (); |
1033c33c | 148 | |
78134374 | 149 | if (elttype->code () == TYPE_CODE_FUNC) |
1033c33c SM |
150 | { |
151 | /* Try to print what function it points to. */ | |
152 | print_function_pointer_address (options, gdbarch, address, stream); | |
153 | return; | |
154 | } | |
155 | ||
156 | if (options->symbol_print) | |
157 | want_space = print_address_demangle (options, gdbarch, address, stream, | |
158 | demangle); | |
159 | else if (options->addressprint) | |
160 | { | |
0426ad51 | 161 | gdb_puts (paddress (gdbarch, address), stream); |
1033c33c SM |
162 | want_space = 1; |
163 | } | |
164 | ||
165 | /* For a pointer to a textual type, also print the string | |
166 | pointed to, unless pointer is null. */ | |
167 | ||
168 | if (c_textual_element_type (unresolved_elttype, options->format) | |
169 | && address != 0) | |
170 | { | |
171 | if (want_space) | |
0426ad51 | 172 | gdb_puts (" ", stream); |
1033c33c SM |
173 | val_print_string (unresolved_elttype, NULL, address, -1, stream, options); |
174 | } | |
175 | else if (cp_is_vtbl_member (type)) | |
176 | { | |
177 | /* Print vtbl's nicely. */ | |
178 | CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset); | |
179 | struct bound_minimal_symbol msymbol = | |
180 | lookup_minimal_symbol_by_pc (vt_address); | |
181 | ||
182 | /* If 'symbol_print' is set, we did the work above. */ | |
183 | if (!options->symbol_print | |
184 | && (msymbol.minsym != NULL) | |
4aeddc50 | 185 | && (vt_address == msymbol.value_address ())) |
1033c33c SM |
186 | { |
187 | if (want_space) | |
0426ad51 TT |
188 | gdb_puts (" ", stream); |
189 | gdb_puts (" <", stream); | |
190 | gdb_puts (msymbol.minsym->print_name (), stream); | |
191 | gdb_puts (">", stream); | |
1033c33c SM |
192 | want_space = 1; |
193 | } | |
194 | ||
195 | if (vt_address && options->vtblprint) | |
196 | { | |
197 | struct value *vt_val; | |
be903358 | 198 | struct symbol *wsym = NULL; |
1033c33c | 199 | struct type *wtype; |
1033c33c SM |
200 | |
201 | if (want_space) | |
0426ad51 | 202 | gdb_puts (" ", stream); |
1033c33c SM |
203 | |
204 | if (msymbol.minsym != NULL) | |
de63c46b | 205 | { |
c9d95fa3 | 206 | const char *search_name = msymbol.minsym->search_name (); |
582942f4 | 207 | wsym = lookup_symbol_search_name (search_name, NULL, |
ccf41c24 | 208 | SEARCH_VAR_DOMAIN).symbol; |
de63c46b | 209 | } |
1033c33c SM |
210 | |
211 | if (wsym) | |
212 | { | |
5f9c5a63 | 213 | wtype = wsym->type (); |
1033c33c SM |
214 | } |
215 | else | |
216 | { | |
217 | wtype = unresolved_elttype; | |
218 | } | |
219 | vt_val = value_at (wtype, vt_address); | |
220 | common_val_print (vt_val, stream, recurse + 1, options, | |
221 | current_language); | |
222 | if (options->prettyformat) | |
223 | { | |
6cb06a8c | 224 | gdb_printf (stream, "\n"); |
d0b1020b | 225 | print_spaces (2 + 2 * recurse, stream); |
1033c33c SM |
226 | } |
227 | } | |
228 | } | |
229 | } | |
230 | ||
6999f067 TT |
231 | /* c_value_print helper for TYPE_CODE_ARRAY. */ |
232 | ||
233 | static void | |
234 | c_value_print_array (struct value *val, | |
235 | struct ui_file *stream, int recurse, | |
236 | const struct value_print_options *options) | |
237 | { | |
d0c97917 | 238 | struct type *type = check_typedef (val->type ()); |
9feb2d07 | 239 | CORE_ADDR address = val->address (); |
efaf1ae0 | 240 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
27710edb | 241 | struct type *unresolved_elttype = type->target_type (); |
6999f067 TT |
242 | struct type *elttype = check_typedef (unresolved_elttype); |
243 | ||
df86565b | 244 | if (type->length () > 0 && unresolved_elttype->length () > 0) |
6999f067 TT |
245 | { |
246 | LONGEST low_bound, high_bound; | |
247 | int eltlen, len; | |
248 | enum bfd_endian byte_order = type_byte_order (type); | |
249 | ||
250 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
251 | error (_("Could not determine the array high bound")); | |
252 | ||
df86565b | 253 | eltlen = elttype->length (); |
6999f067 | 254 | len = high_bound - low_bound + 1; |
6999f067 TT |
255 | |
256 | /* Print arrays of textual chars with a string syntax, as | |
257 | long as the entire array is valid. */ | |
258 | if (c_textual_element_type (unresolved_elttype, | |
259 | options->format) | |
d00664db TT |
260 | && val->bytes_available (0, type->length ()) |
261 | && !val->bits_any_optimized_out (0, | |
262 | TARGET_CHAR_BIT * type->length ())) | |
6999f067 TT |
263 | { |
264 | int force_ellipses = 0; | |
265 | ||
266 | /* If requested, look for the first null char and only | |
267 | print elements up to it. */ | |
268 | if (options->stop_print_at_null) | |
269 | { | |
76b58849 | 270 | unsigned int print_max_chars = get_print_max_chars (options); |
6999f067 TT |
271 | unsigned int temp_len; |
272 | ||
273 | for (temp_len = 0; | |
274 | (temp_len < len | |
76b58849 | 275 | && temp_len < print_max_chars |
6999f067 TT |
276 | && extract_unsigned_integer (valaddr + temp_len * eltlen, |
277 | eltlen, byte_order) != 0); | |
278 | ++temp_len) | |
279 | ; | |
280 | ||
660da3c1 | 281 | /* Force printstr to print ellipses if |
6999f067 TT |
282 | we've printed the maximum characters and |
283 | the next character is not \000. */ | |
76b58849 | 284 | if (temp_len == print_max_chars && temp_len < len) |
6999f067 TT |
285 | { |
286 | ULONGEST ival | |
287 | = extract_unsigned_integer (valaddr + temp_len * eltlen, | |
288 | eltlen, byte_order); | |
289 | if (ival != 0) | |
290 | force_ellipses = 1; | |
291 | } | |
292 | ||
293 | len = temp_len; | |
294 | } | |
295 | ||
660da3c1 TT |
296 | current_language->printstr (stream, unresolved_elttype, valaddr, len, |
297 | NULL, force_ellipses, options); | |
6999f067 TT |
298 | } |
299 | else | |
300 | { | |
301 | unsigned int i = 0; | |
6cb06a8c | 302 | gdb_printf (stream, "{"); |
6999f067 TT |
303 | /* If this is a virtual function table, print the 0th |
304 | entry specially, and the rest of the members | |
305 | normally. */ | |
306 | if (cp_is_vtbl_ptr_type (elttype)) | |
307 | { | |
308 | i = 1; | |
6cb06a8c TT |
309 | gdb_printf (stream, _("%d vtable entries"), |
310 | len - 1); | |
6999f067 TT |
311 | } |
312 | value_print_array_elements (val, stream, recurse, options, i); | |
6cb06a8c | 313 | gdb_printf (stream, "}"); |
6999f067 TT |
314 | } |
315 | } | |
316 | else | |
317 | { | |
318 | /* Array of unspecified length: treat like pointer to first elt. */ | |
319 | print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr, | |
320 | 0, address, stream, recurse, options); | |
321 | } | |
322 | } | |
323 | ||
da3e2c29 TT |
324 | /* c_value_print_inner helper for TYPE_CODE_PTR. */ |
325 | ||
326 | static void | |
327 | c_value_print_ptr (struct value *val, struct ui_file *stream, int recurse, | |
328 | const struct value_print_options *options) | |
329 | { | |
330 | if (options->format && options->format != 's') | |
331 | { | |
332 | value_print_scalar_formatted (val, options, 0, stream); | |
333 | return; | |
334 | } | |
335 | ||
d0c97917 | 336 | struct type *type = check_typedef (val->type ()); |
efaf1ae0 | 337 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
da3e2c29 TT |
338 | |
339 | if (options->vtblprint && cp_is_vtbl_ptr_type (type)) | |
340 | { | |
341 | /* Print the unmangled name if desired. */ | |
342 | /* Print vtable entry - we only get here if we ARE using | |
343 | -fvtable_thunks. (Otherwise, look under | |
344 | TYPE_CODE_STRUCT.) */ | |
345 | CORE_ADDR addr = extract_typed_address (valaddr, type); | |
346 | ||
8ee511af | 347 | print_function_pointer_address (options, type->arch (), addr, stream); |
da3e2c29 TT |
348 | } |
349 | else | |
350 | { | |
27710edb | 351 | struct type *unresolved_elttype = type->target_type (); |
da3e2c29 TT |
352 | struct type *elttype = check_typedef (unresolved_elttype); |
353 | CORE_ADDR addr = unpack_pointer (type, valaddr); | |
354 | ||
355 | print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr, | |
356 | 0, addr, stream, recurse, options); | |
357 | } | |
358 | } | |
359 | ||
64b653ca TT |
360 | /* c_value_print helper for TYPE_CODE_STRUCT and TYPE_CODE_UNION. */ |
361 | ||
362 | static void | |
363 | c_value_print_struct (struct value *val, struct ui_file *stream, int recurse, | |
364 | const struct value_print_options *options) | |
365 | { | |
d0c97917 | 366 | struct type *type = check_typedef (val->type ()); |
64b653ca | 367 | |
78134374 | 368 | if (type->code () == TYPE_CODE_UNION && recurse && !options->unionprint) |
6cb06a8c | 369 | gdb_printf (stream, "{...}"); |
64b653ca TT |
370 | else if (options->vtblprint && cp_is_vtbl_ptr_type (type)) |
371 | { | |
372 | /* Print the unmangled name if desired. */ | |
373 | /* Print vtable entry - we only get here if NOT using | |
374 | -fvtable_thunks. (Otherwise, look under | |
375 | TYPE_CODE_PTR.) */ | |
b610c045 | 376 | int offset = type->field (VTBL_FNADDR_OFFSET).loc_bitpos () / 8; |
940da03e | 377 | struct type *field_type = type->field (VTBL_FNADDR_OFFSET).type (); |
efaf1ae0 | 378 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
64b653ca TT |
379 | CORE_ADDR addr = extract_typed_address (valaddr + offset, field_type); |
380 | ||
8ee511af | 381 | print_function_pointer_address (options, type->arch (), addr, stream); |
64b653ca TT |
382 | } |
383 | else | |
384 | cp_print_value_fields (val, stream, recurse, options, NULL, 0); | |
385 | } | |
386 | ||
2faac269 TT |
387 | /* c_value_print helper for TYPE_CODE_INT. */ |
388 | ||
389 | static void | |
390 | c_value_print_int (struct value *val, struct ui_file *stream, | |
391 | const struct value_print_options *options) | |
392 | { | |
393 | if (options->format || options->output_format) | |
394 | { | |
395 | struct value_print_options opts = *options; | |
396 | ||
397 | opts.format = (options->format ? options->format | |
398 | : options->output_format); | |
399 | value_print_scalar_formatted (val, &opts, 0, stream); | |
400 | } | |
401 | else | |
402 | { | |
403 | value_print_scalar_formatted (val, options, 0, stream); | |
404 | /* C and C++ has no single byte int type, char is used | |
405 | instead. Since we don't know whether the value is really | |
406 | intended to be used as an integer or a character, print | |
407 | the character equivalent as well. */ | |
d0c97917 | 408 | struct type *type = val->type (); |
efaf1ae0 | 409 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
2faac269 TT |
410 | if (c_textual_element_type (type, options->format)) |
411 | { | |
0426ad51 | 412 | gdb_puts (" ", stream); |
362501dc TT |
413 | current_language->printchar (unpack_long (type, valaddr), type, |
414 | stream); | |
2faac269 TT |
415 | } |
416 | } | |
417 | } | |
418 | ||
62182190 TT |
419 | /* See c-lang.h. */ |
420 | ||
421 | void | |
422 | c_value_print_inner (struct value *val, struct ui_file *stream, int recurse, | |
423 | const struct value_print_options *options) | |
424 | { | |
d0c97917 | 425 | struct type *type = val->type (); |
50836231 TT |
426 | |
427 | type = check_typedef (type); | |
78134374 | 428 | switch (type->code ()) |
50836231 TT |
429 | { |
430 | case TYPE_CODE_ARRAY: | |
6999f067 | 431 | c_value_print_array (val, stream, recurse, options); |
50836231 TT |
432 | break; |
433 | ||
50836231 | 434 | case TYPE_CODE_PTR: |
da3e2c29 | 435 | c_value_print_ptr (val, stream, recurse, options); |
50836231 TT |
436 | break; |
437 | ||
438 | case TYPE_CODE_UNION: | |
50836231 | 439 | case TYPE_CODE_STRUCT: |
64b653ca | 440 | c_value_print_struct (val, stream, recurse, options); |
50836231 TT |
441 | break; |
442 | ||
1c0e4363 | 443 | case TYPE_CODE_CHAR: |
50836231 | 444 | case TYPE_CODE_INT: |
2faac269 | 445 | c_value_print_int (val, stream, options); |
50836231 TT |
446 | break; |
447 | ||
6b5a7bc7 | 448 | case TYPE_CODE_METHODPTR: |
50836231 | 449 | case TYPE_CODE_MEMBERPTR: |
50836231 TT |
450 | case TYPE_CODE_REF: |
451 | case TYPE_CODE_RVALUE_REF: | |
452 | case TYPE_CODE_ENUM: | |
453 | case TYPE_CODE_FLAGS: | |
454 | case TYPE_CODE_FUNC: | |
455 | case TYPE_CODE_METHOD: | |
456 | case TYPE_CODE_BOOL: | |
457 | case TYPE_CODE_RANGE: | |
458 | case TYPE_CODE_FLT: | |
459 | case TYPE_CODE_DECFLOAT: | |
460 | case TYPE_CODE_VOID: | |
461 | case TYPE_CODE_ERROR: | |
462 | case TYPE_CODE_UNDEF: | |
463 | case TYPE_CODE_COMPLEX: | |
50836231 TT |
464 | default: |
465 | generic_value_print (val, stream, recurse, options, &c_decorations); | |
466 | break; | |
467 | } | |
62182190 TT |
468 | } |
469 | ||
c906108c | 470 | \f |
8e069a98 | 471 | void |
79a45b7d TT |
472 | c_value_print (struct value *val, struct ui_file *stream, |
473 | const struct value_print_options *options) | |
c906108c | 474 | { |
a1f6a07c | 475 | struct type *type, *real_type; |
6b850546 DT |
476 | int full, using_enc; |
477 | LONGEST top; | |
79a45b7d TT |
478 | struct value_print_options opts = *options; |
479 | ||
dad6b350 | 480 | opts.deref_ref = true; |
c5aa993b | 481 | |
c906108c SS |
482 | /* If it is a pointer, indicate what it points to. |
483 | ||
484 | Print type also if it is a reference. | |
485 | ||
486 | C++: if it is a member pointer, we will take care | |
487 | of that when we print it. */ | |
88750304 | 488 | |
d0c97917 | 489 | type = check_typedef (val->type ()); |
88750304 | 490 | |
809f3be1 | 491 | if (type->is_pointer_or_reference ()) |
c906108c | 492 | { |
d0c97917 | 493 | struct type *original_type = val->type (); |
a1f6a07c | 494 | |
c906108c | 495 | /* Hack: remove (char *) for char strings. Their |
dda83cd7 SM |
496 | type is indicated by the quoted string anyway. |
497 | (Don't use c_textual_element_type here; quoted strings | |
498 | are always exactly (char *), (wchar_t *), or the like. */ | |
78134374 | 499 | if (original_type->code () == TYPE_CODE_PTR |
7d93a1e0 | 500 | && original_type->name () == NULL |
27710edb SM |
501 | && original_type->target_type ()->name () != NULL |
502 | && (strcmp (original_type->target_type ()->name (), | |
aff410f1 | 503 | "char") == 0 |
27710edb | 504 | || textual_name (original_type->target_type ()->name ()))) |
c906108c | 505 | { |
aff410f1 | 506 | /* Print nothing. */ |
c906108c | 507 | } |
79a45b7d | 508 | else if (options->objectprint |
27710edb | 509 | && (type->target_type ()->code () == TYPE_CODE_STRUCT)) |
c5aa993b | 510 | { |
a65cfae5 AV |
511 | int is_ref = TYPE_IS_REFERENCE (type); |
512 | enum type_code refcode = TYPE_CODE_UNDEF; | |
5f2e6b00 TT |
513 | |
514 | if (is_ref) | |
a65cfae5 AV |
515 | { |
516 | val = value_addr (val); | |
78134374 | 517 | refcode = type->code (); |
a65cfae5 | 518 | } |
070ad9f0 | 519 | |
aff410f1 | 520 | /* Pointer to class, check real type of object. */ |
6cb06a8c | 521 | gdb_printf (stream, "("); |
ec0a52e1 | 522 | |
d00664db | 523 | if (val->entirely_available ()) |
476350ba | 524 | { |
dfcee124 AG |
525 | real_type = value_rtti_indirect_type (val, &full, &top, |
526 | &using_enc); | |
ec0a52e1 PA |
527 | if (real_type) |
528 | { | |
529 | /* RTTI entry found. */ | |
dfcee124 | 530 | |
ec0a52e1 | 531 | /* Need to adjust pointer value. */ |
5f2e6b00 TT |
532 | val = value_from_pointer (real_type, |
533 | value_as_address (val) - top); | |
534 | ||
ec0a52e1 PA |
535 | /* Note: When we look up RTTI entries, we don't get |
536 | any information on const or volatile | |
537 | attributes. */ | |
538 | } | |
539 | } | |
476350ba MG |
540 | |
541 | if (is_ref) | |
a1f6a07c | 542 | val = value_ref (value_ind (val), refcode); |
476350ba | 543 | |
d0c97917 | 544 | type = val->type (); |
476350ba | 545 | type_print (type, "", stream, -1); |
6cb06a8c | 546 | gdb_printf (stream, ") "); |
c5aa993b | 547 | } |
c906108c SS |
548 | else |
549 | { | |
c5aa993b | 550 | /* normal case */ |
6cb06a8c | 551 | gdb_printf (stream, "("); |
d0c97917 | 552 | type_print (val->type (), "", stream, -1); |
6cb06a8c | 553 | gdb_printf (stream, ") "); |
c906108c SS |
554 | } |
555 | } | |
88750304 | 556 | |
8e5b19ad | 557 | if (!val->initialized ()) |
6cb06a8c | 558 | gdb_printf (stream, " [uninitialized] "); |
42be36b3 | 559 | |
78134374 | 560 | if (options->objectprint && (type->code () == TYPE_CODE_STRUCT)) |
c906108c | 561 | { |
aff410f1 | 562 | /* Attempt to determine real type of object. */ |
c906108c | 563 | real_type = value_rtti_type (val, &full, &top, &using_enc); |
c5aa993b JM |
564 | if (real_type) |
565 | { | |
aff410f1 MS |
566 | /* We have RTTI information, so use it. */ |
567 | val = value_full_object (val, real_type, | |
568 | full, top, using_enc); | |
a1f6a07c TT |
569 | /* In a destructor we might see a real type that is a |
570 | superclass of the object's type. In this case it is | |
571 | better to leave the object as-is. */ | |
572 | if (!(full | |
df86565b | 573 | && (real_type->length () |
463b870d | 574 | < val->enclosing_type ()->length ()))) |
a1f6a07c | 575 | val = value_cast (real_type, val); |
6cb06a8c TT |
576 | gdb_printf (stream, "(%s%s) ", |
577 | real_type->name (), | |
578 | full ? "" : _(" [incomplete object]")); | |
c5aa993b | 579 | } |
463b870d | 580 | else if (type != check_typedef (val->enclosing_type ())) |
c5aa993b | 581 | { |
aff410f1 | 582 | /* No RTTI information, so let's do our best. */ |
6cb06a8c | 583 | gdb_printf (stream, "(%s ?) ", |
463b870d TT |
584 | val->enclosing_type ()->name ()); |
585 | val = value_cast (val->enclosing_type (), val); | |
c5aa993b | 586 | } |
c906108c | 587 | } |
c5aa993b | 588 | |
a1f6a07c | 589 | common_val_print (val, stream, 0, &opts, current_language); |
c906108c | 590 | } |