Commit | Line | Data |
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c906108c | 1 | /* Support for printing C values for GDB, the GNU debugger. |
1bac305b | 2 | |
0b302171 JB |
3 | Copyright (C) 1986, 1988-1989, 1991-2001, 2003, 2005-2012 Free |
4 | Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 11 | (at your option) any later version. |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b | 18 | You should have received a copy of the GNU General Public License |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
20 | |
21 | #include "defs.h" | |
309367d4 | 22 | #include "gdb_string.h" |
c906108c SS |
23 | #include "symtab.h" |
24 | #include "gdbtypes.h" | |
25 | #include "expression.h" | |
26 | #include "value.h" | |
c906108c SS |
27 | #include "valprint.h" |
28 | #include "language.h" | |
29 | #include "c-lang.h" | |
015a42b4 | 30 | #include "cp-abi.h" |
e2d0e7eb | 31 | #include "target.h" |
c906108c | 32 | \f |
c5aa993b | 33 | |
96c07c5b | 34 | /* A helper for c_textual_element_type. This checks the name of the |
6c7a06a3 TT |
35 | typedef. This is bogus but it isn't apparent that the compiler |
36 | provides us the help we may need. */ | |
37 | ||
38 | static int | |
39 | textual_name (const char *name) | |
40 | { | |
41 | return (!strcmp (name, "wchar_t") | |
42 | || !strcmp (name, "char16_t") | |
43 | || !strcmp (name, "char32_t")); | |
44 | } | |
45 | ||
ea37ba09 DJ |
46 | /* Apply a heuristic to decide whether an array of TYPE or a pointer |
47 | to TYPE should be printed as a textual string. Return non-zero if | |
48 | it should, or zero if it should be treated as an array of integers | |
aff410f1 MS |
49 | or pointer to integers. FORMAT is the current format letter, or 0 |
50 | if none. | |
ea37ba09 DJ |
51 | |
52 | We guess that "char" is a character. Explicitly signed and | |
53 | unsigned character types are also characters. Integer data from | |
54 | vector types is not. The user can override this by using the /s | |
55 | format letter. */ | |
56 | ||
96c07c5b TT |
57 | int |
58 | c_textual_element_type (struct type *type, char format) | |
ea37ba09 | 59 | { |
85e306ed | 60 | struct type *true_type, *iter_type; |
ea37ba09 DJ |
61 | |
62 | if (format != 0 && format != 's') | |
63 | return 0; | |
64 | ||
85e306ed TT |
65 | /* We also rely on this for its side effect of setting up all the |
66 | typedef pointers. */ | |
67 | true_type = check_typedef (type); | |
68 | ||
ea37ba09 DJ |
69 | /* TYPE_CODE_CHAR is always textual. */ |
70 | if (TYPE_CODE (true_type) == TYPE_CODE_CHAR) | |
71 | return 1; | |
85e306ed | 72 | |
6c7a06a3 TT |
73 | /* Any other character-like types must be integral. */ |
74 | if (TYPE_CODE (true_type) != TYPE_CODE_INT) | |
75 | return 0; | |
76 | ||
85e306ed TT |
77 | /* We peel typedefs one by one, looking for a match. */ |
78 | iter_type = type; | |
79 | while (iter_type) | |
80 | { | |
81 | /* Check the name of the type. */ | |
82 | if (TYPE_NAME (iter_type) && textual_name (TYPE_NAME (iter_type))) | |
83 | return 1; | |
84 | ||
85 | if (TYPE_CODE (iter_type) != TYPE_CODE_TYPEDEF) | |
86 | break; | |
87 | ||
88 | /* Peel a single typedef. If the typedef doesn't have a target | |
89 | type, we use check_typedef and hope the result is ok -- it | |
90 | might be for C++, where wchar_t is a built-in type. */ | |
91 | if (TYPE_TARGET_TYPE (iter_type)) | |
92 | iter_type = TYPE_TARGET_TYPE (iter_type); | |
93 | else | |
94 | iter_type = check_typedef (iter_type); | |
95 | } | |
ea37ba09 DJ |
96 | |
97 | if (format == 's') | |
98 | { | |
aff410f1 MS |
99 | /* Print this as a string if we can manage it. For now, no wide |
100 | character support. */ | |
ea37ba09 DJ |
101 | if (TYPE_CODE (true_type) == TYPE_CODE_INT |
102 | && TYPE_LENGTH (true_type) == 1) | |
103 | return 1; | |
104 | } | |
105 | else | |
106 | { | |
107 | /* If a one-byte TYPE_CODE_INT is missing the not-a-character | |
108 | flag, then we treat it as text; otherwise, we assume it's | |
109 | being used as data. */ | |
110 | if (TYPE_CODE (true_type) == TYPE_CODE_INT | |
111 | && TYPE_LENGTH (true_type) == 1 | |
112 | && !TYPE_NOTTEXT (true_type)) | |
113 | return 1; | |
114 | } | |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
e88acd96 TT |
119 | /* Decorations for C. */ |
120 | ||
121 | static const struct generic_val_print_decorations c_decorations = | |
122 | { | |
123 | "", | |
124 | " + ", | |
125 | " * I", | |
126 | "true", | |
127 | "false", | |
128 | "void" | |
129 | }; | |
130 | ||
32b72a42 | 131 | /* See val_print for a description of the various parameters of this |
d3eab38a | 132 | function; they are identical. */ |
c906108c | 133 | |
d3eab38a | 134 | void |
aff410f1 MS |
135 | c_val_print (struct type *type, const gdb_byte *valaddr, |
136 | int embedded_offset, CORE_ADDR address, | |
137 | struct ui_file *stream, int recurse, | |
0e03807e | 138 | const struct value *original_value, |
79a45b7d | 139 | const struct value_print_options *options) |
c906108c | 140 | { |
50810684 | 141 | struct gdbarch *gdbarch = get_type_arch (type); |
e17a4113 | 142 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
aff410f1 | 143 | unsigned int i = 0; /* Number of characters printed. */ |
c906108c | 144 | unsigned len; |
6c7a06a3 TT |
145 | struct type *elttype, *unresolved_elttype; |
146 | struct type *unresolved_type = type; | |
c906108c | 147 | unsigned eltlen; |
c906108c SS |
148 | CORE_ADDR addr; |
149 | ||
150 | CHECK_TYPEDEF (type); | |
151 | switch (TYPE_CODE (type)) | |
152 | { | |
153 | case TYPE_CODE_ARRAY: | |
6c7a06a3 TT |
154 | unresolved_elttype = TYPE_TARGET_TYPE (type); |
155 | elttype = check_typedef (unresolved_elttype); | |
156 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
c906108c | 157 | { |
dbc98a8b KW |
158 | LONGEST low_bound, high_bound; |
159 | ||
160 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
161 | error (_("Could not determine the array high bound")); | |
162 | ||
c906108c | 163 | eltlen = TYPE_LENGTH (elttype); |
dbc98a8b | 164 | len = high_bound - low_bound + 1; |
79a45b7d | 165 | if (options->prettyprint_arrays) |
c906108c SS |
166 | { |
167 | print_spaces_filtered (2 + 2 * recurse, stream); | |
168 | } | |
ea37ba09 | 169 | |
0e03807e TT |
170 | /* Print arrays of textual chars with a string syntax, as |
171 | long as the entire array is valid. */ | |
aff410f1 MS |
172 | if (c_textual_element_type (unresolved_elttype, |
173 | options->format) | |
9fc6d940 PA |
174 | && value_bytes_available (original_value, embedded_offset, |
175 | TYPE_LENGTH (type)) | |
0e03807e TT |
176 | && value_bits_valid (original_value, |
177 | TARGET_CHAR_BIT * embedded_offset, | |
178 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
c906108c | 179 | { |
aff410f1 MS |
180 | /* If requested, look for the first null char and only |
181 | print elements up to it. */ | |
79a45b7d | 182 | if (options->stop_print_at_null) |
c906108c | 183 | { |
745b8ca0 | 184 | unsigned int temp_len; |
c5aa993b | 185 | |
c906108c | 186 | for (temp_len = 0; |
6c7a06a3 TT |
187 | (temp_len < len |
188 | && temp_len < options->print_max | |
189 | && extract_unsigned_integer (valaddr + embedded_offset | |
190 | + temp_len * eltlen, | |
421d5d99 | 191 | eltlen, byte_order) != 0); |
6c7a06a3 TT |
192 | ++temp_len) |
193 | ; | |
c906108c SS |
194 | len = temp_len; |
195 | } | |
c5aa993b | 196 | |
6c7a06a3 | 197 | LA_PRINT_STRING (stream, unresolved_elttype, |
be759fcf PM |
198 | valaddr + embedded_offset, len, |
199 | NULL, 0, options); | |
c906108c SS |
200 | i = len; |
201 | } | |
202 | else | |
203 | { | |
204 | fprintf_filtered (stream, "{"); | |
205 | /* If this is a virtual function table, print the 0th | |
aff410f1 MS |
206 | entry specially, and the rest of the members |
207 | normally. */ | |
c906108c SS |
208 | if (cp_is_vtbl_ptr_type (elttype)) |
209 | { | |
210 | i = 1; | |
aff410f1 MS |
211 | fprintf_filtered (stream, _("%d vtable entries"), |
212 | len - 1); | |
c906108c SS |
213 | } |
214 | else | |
215 | { | |
216 | i = 0; | |
217 | } | |
490f124f PA |
218 | val_print_array_elements (type, valaddr, embedded_offset, |
219 | address, stream, | |
220 | recurse, original_value, options, i); | |
c906108c SS |
221 | fprintf_filtered (stream, "}"); |
222 | } | |
223 | break; | |
224 | } | |
aff410f1 MS |
225 | /* Array of unspecified length: treat like pointer to first |
226 | elt. */ | |
13163d80 | 227 | addr = address + embedded_offset; |
c906108c SS |
228 | goto print_unpacked_pointer; |
229 | ||
0d5de010 DJ |
230 | case TYPE_CODE_METHODPTR: |
231 | cplus_print_method_ptr (valaddr + embedded_offset, type, stream); | |
232 | break; | |
233 | ||
c906108c | 234 | case TYPE_CODE_PTR: |
79a45b7d | 235 | if (options->format && options->format != 's') |
c906108c | 236 | { |
ab2188aa PA |
237 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
238 | original_value, options, 0, stream); | |
c906108c SS |
239 | break; |
240 | } | |
79a45b7d | 241 | if (options->vtblprint && cp_is_vtbl_ptr_type (type)) |
c906108c | 242 | { |
c5aa993b | 243 | /* Print the unmangled name if desired. */ |
c906108c | 244 | /* Print vtable entry - we only get here if we ARE using |
aff410f1 MS |
245 | -fvtable_thunks. (Otherwise, look under |
246 | TYPE_CODE_STRUCT.) */ | |
4478b372 JB |
247 | CORE_ADDR addr |
248 | = extract_typed_address (valaddr + embedded_offset, type); | |
c5504eaf | 249 | |
edf0c1b7 | 250 | print_function_pointer_address (options, gdbarch, addr, stream); |
c906108c SS |
251 | break; |
252 | } | |
6c7a06a3 TT |
253 | unresolved_elttype = TYPE_TARGET_TYPE (type); |
254 | elttype = check_typedef (unresolved_elttype); | |
c906108c | 255 | { |
b012acdd TT |
256 | int want_space; |
257 | ||
c906108c SS |
258 | addr = unpack_pointer (type, valaddr + embedded_offset); |
259 | print_unpacked_pointer: | |
c906108c | 260 | |
b012acdd TT |
261 | want_space = 0; |
262 | ||
c906108c SS |
263 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) |
264 | { | |
265 | /* Try to print what function it points to. */ | |
edf0c1b7 | 266 | print_function_pointer_address (options, gdbarch, addr, stream); |
d3eab38a | 267 | return; |
c906108c SS |
268 | } |
269 | ||
9cb709b6 TT |
270 | if (options->symbol_print) |
271 | want_space = print_address_demangle (options, gdbarch, addr, | |
272 | stream, demangle); | |
273 | else if (options->addressprint) | |
b012acdd TT |
274 | { |
275 | fputs_filtered (paddress (gdbarch, addr), stream); | |
276 | want_space = 1; | |
277 | } | |
c906108c | 278 | |
ea37ba09 | 279 | /* For a pointer to a textual type, also print the string |
c906108c | 280 | pointed to, unless pointer is null. */ |
c906108c | 281 | |
aff410f1 MS |
282 | if (c_textual_element_type (unresolved_elttype, |
283 | options->format) | |
79a45b7d | 284 | && addr != 0) |
c906108c | 285 | { |
b012acdd TT |
286 | if (want_space) |
287 | fputs_filtered (" ", stream); | |
aff410f1 MS |
288 | i = val_print_string (unresolved_elttype, NULL, |
289 | addr, -1, | |
290 | stream, options); | |
c906108c | 291 | } |
c5aa993b JM |
292 | else if (cp_is_vtbl_member (type)) |
293 | { | |
aff410f1 MS |
294 | /* Print vtbl's nicely. */ |
295 | CORE_ADDR vt_address = unpack_pointer (type, | |
296 | valaddr | |
297 | + embedded_offset); | |
c906108c | 298 | struct minimal_symbol *msymbol = |
c5aa993b | 299 | lookup_minimal_symbol_by_pc (vt_address); |
b012acdd | 300 | |
9cb709b6 TT |
301 | /* If 'symbol_print' is set, we did the work above. */ |
302 | if (!options->symbol_print | |
303 | && (msymbol != NULL) | |
5aafa1cc | 304 | && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol))) |
c906108c | 305 | { |
b012acdd TT |
306 | if (want_space) |
307 | fputs_filtered (" ", stream); | |
c906108c | 308 | fputs_filtered (" <", stream); |
de5ad195 | 309 | fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream); |
c906108c | 310 | fputs_filtered (">", stream); |
b012acdd | 311 | want_space = 1; |
c906108c | 312 | } |
b012acdd | 313 | |
79a45b7d | 314 | if (vt_address && options->vtblprint) |
c5aa993b | 315 | { |
6943961c | 316 | struct value *vt_val; |
c5aa993b JM |
317 | struct symbol *wsym = (struct symbol *) NULL; |
318 | struct type *wtype; | |
c5aa993b | 319 | struct block *block = (struct block *) NULL; |
c906108c SS |
320 | int is_this_fld; |
321 | ||
b012acdd TT |
322 | if (want_space) |
323 | fputs_filtered (" ", stream); | |
324 | ||
c906108c | 325 | if (msymbol != NULL) |
aff410f1 MS |
326 | wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), |
327 | block, VAR_DOMAIN, | |
328 | &is_this_fld); | |
c5aa993b | 329 | |
c906108c SS |
330 | if (wsym) |
331 | { | |
c5aa993b | 332 | wtype = SYMBOL_TYPE (wsym); |
c906108c SS |
333 | } |
334 | else | |
335 | { | |
6c7a06a3 | 336 | wtype = unresolved_elttype; |
c906108c | 337 | } |
00a4c844 | 338 | vt_val = value_at (wtype, vt_address); |
aff410f1 MS |
339 | common_val_print (vt_val, stream, recurse + 1, |
340 | options, current_language); | |
79a45b7d | 341 | if (options->pretty) |
c906108c SS |
342 | { |
343 | fprintf_filtered (stream, "\n"); | |
344 | print_spaces_filtered (2 + 2 * recurse, stream); | |
345 | } | |
c5aa993b JM |
346 | } |
347 | } | |
d3eab38a | 348 | return; |
c906108c SS |
349 | } |
350 | break; | |
351 | ||
c906108c | 352 | case TYPE_CODE_UNION: |
79a45b7d | 353 | if (recurse && !options->unionprint) |
c906108c SS |
354 | { |
355 | fprintf_filtered (stream, "{...}"); | |
356 | break; | |
357 | } | |
358 | /* Fall through. */ | |
359 | case TYPE_CODE_STRUCT: | |
0963b4bd | 360 | /*FIXME: Abstract this away. */ |
79a45b7d | 361 | if (options->vtblprint && cp_is_vtbl_ptr_type (type)) |
c906108c | 362 | { |
c5aa993b | 363 | /* Print the unmangled name if desired. */ |
c906108c | 364 | /* Print vtable entry - we only get here if NOT using |
aff410f1 MS |
365 | -fvtable_thunks. (Otherwise, look under |
366 | TYPE_CODE_PTR.) */ | |
367 | int offset = (embedded_offset | |
368 | + TYPE_FIELD_BITPOS (type, | |
369 | VTBL_FNADDR_OFFSET) / 8); | |
370 | struct type *field_type = TYPE_FIELD_TYPE (type, | |
371 | VTBL_FNADDR_OFFSET); | |
4478b372 JB |
372 | CORE_ADDR addr |
373 | = extract_typed_address (valaddr + offset, field_type); | |
374 | ||
edf0c1b7 | 375 | print_function_pointer_address (options, gdbarch, addr, stream); |
c906108c SS |
376 | } |
377 | else | |
edf3d5f3 | 378 | cp_print_value_fields_rtti (type, valaddr, |
aff410f1 MS |
379 | embedded_offset, address, |
380 | stream, recurse, | |
381 | original_value, options, | |
382 | NULL, 0); | |
c906108c SS |
383 | break; |
384 | ||
c906108c | 385 | case TYPE_CODE_INT: |
79a45b7d | 386 | if (options->format || options->output_format) |
c906108c | 387 | { |
79a45b7d | 388 | struct value_print_options opts = *options; |
c5504eaf | 389 | |
79a45b7d TT |
390 | opts.format = (options->format ? options->format |
391 | : options->output_format); | |
ab2188aa PA |
392 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
393 | original_value, &opts, 0, stream); | |
c906108c SS |
394 | } |
395 | else | |
396 | { | |
aff410f1 MS |
397 | val_print_type_code_int (type, valaddr + embedded_offset, |
398 | stream); | |
399 | /* C and C++ has no single byte int type, char is used | |
400 | instead. Since we don't know whether the value is really | |
401 | intended to be used as an integer or a character, print | |
402 | the character equivalent as well. */ | |
96c07c5b | 403 | if (c_textual_element_type (unresolved_type, options->format)) |
c906108c SS |
404 | { |
405 | fputs_filtered (" ", stream); | |
447b483c | 406 | LA_PRINT_CHAR (unpack_long (type, valaddr + embedded_offset), |
6c7a06a3 | 407 | unresolved_type, stream); |
c906108c SS |
408 | } |
409 | } | |
410 | break; | |
411 | ||
e88acd96 TT |
412 | case TYPE_CODE_MEMBERPTR: |
413 | if (!options->format) | |
c906108c | 414 | { |
e88acd96 TT |
415 | cp_print_class_member (valaddr + embedded_offset, type, stream, "&"); |
416 | break; | |
c906108c | 417 | } |
e88acd96 | 418 | /* FALLTHROUGH */ |
c906108c | 419 | |
e88acd96 TT |
420 | case TYPE_CODE_REF: |
421 | case TYPE_CODE_ENUM: | |
422 | case TYPE_CODE_FLAGS: | |
423 | case TYPE_CODE_FUNC: | |
424 | case TYPE_CODE_METHOD: | |
425 | case TYPE_CODE_BOOL: | |
426 | case TYPE_CODE_RANGE: | |
c906108c | 427 | case TYPE_CODE_FLT: |
7678ef8f | 428 | case TYPE_CODE_DECFLOAT: |
c906108c | 429 | case TYPE_CODE_VOID: |
c906108c | 430 | case TYPE_CODE_ERROR: |
c906108c | 431 | case TYPE_CODE_UNDEF: |
fca9e603 | 432 | case TYPE_CODE_COMPLEX: |
e88acd96 | 433 | case TYPE_CODE_CHAR: |
c906108c | 434 | default: |
e88acd96 TT |
435 | generic_val_print (type, valaddr, embedded_offset, address, |
436 | stream, recurse, original_value, options, | |
437 | &c_decorations); | |
438 | break; | |
c906108c SS |
439 | } |
440 | gdb_flush (stream); | |
c906108c SS |
441 | } |
442 | \f | |
8e069a98 | 443 | void |
79a45b7d TT |
444 | c_value_print (struct value *val, struct ui_file *stream, |
445 | const struct value_print_options *options) | |
c906108c | 446 | { |
6c7a06a3 | 447 | struct type *type, *real_type, *val_type; |
c906108c | 448 | int full, top, using_enc; |
79a45b7d TT |
449 | struct value_print_options opts = *options; |
450 | ||
451 | opts.deref_ref = 1; | |
c5aa993b | 452 | |
c906108c SS |
453 | /* If it is a pointer, indicate what it points to. |
454 | ||
455 | Print type also if it is a reference. | |
456 | ||
457 | C++: if it is a member pointer, we will take care | |
458 | of that when we print it. */ | |
88750304 | 459 | |
6c7a06a3 TT |
460 | /* Preserve the original type before stripping typedefs. We prefer |
461 | to pass down the original type when possible, but for local | |
462 | checks it is better to look past the typedefs. */ | |
463 | val_type = value_type (val); | |
464 | type = check_typedef (val_type); | |
88750304 DJ |
465 | |
466 | if (TYPE_CODE (type) == TYPE_CODE_PTR | |
467 | || TYPE_CODE (type) == TYPE_CODE_REF) | |
c906108c SS |
468 | { |
469 | /* Hack: remove (char *) for char strings. Their | |
ea37ba09 | 470 | type is indicated by the quoted string anyway. |
96c07c5b | 471 | (Don't use c_textual_element_type here; quoted strings |
6c7a06a3 TT |
472 | are always exactly (char *), (wchar_t *), or the like. */ |
473 | if (TYPE_CODE (val_type) == TYPE_CODE_PTR | |
474 | && TYPE_NAME (val_type) == NULL | |
475 | && TYPE_NAME (TYPE_TARGET_TYPE (val_type)) != NULL | |
aff410f1 MS |
476 | && (strcmp (TYPE_NAME (TYPE_TARGET_TYPE (val_type)), |
477 | "char") == 0 | |
6c7a06a3 | 478 | || textual_name (TYPE_NAME (TYPE_TARGET_TYPE (val_type))))) |
c906108c | 479 | { |
aff410f1 | 480 | /* Print nothing. */ |
c906108c | 481 | } |
79a45b7d TT |
482 | else if (options->objectprint |
483 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS)) | |
c5aa993b | 484 | { |
070ad9f0 DB |
485 | |
486 | if (TYPE_CODE(type) == TYPE_CODE_REF) | |
487 | { | |
488 | /* Copy value, change to pointer, so we don't get an | |
aff410f1 MS |
489 | error about a non-pointer type in |
490 | value_rtti_target_type. */ | |
6943961c | 491 | struct value *temparg; |
070ad9f0 | 492 | temparg=value_copy(val); |
aff410f1 MS |
493 | deprecated_set_value_type |
494 | (temparg, lookup_pointer_type (TYPE_TARGET_TYPE (type))); | |
495 | val = temparg; | |
070ad9f0 | 496 | } |
aff410f1 | 497 | /* Pointer to class, check real type of object. */ |
c906108c | 498 | fprintf_filtered (stream, "("); |
ec0a52e1 PA |
499 | |
500 | if (value_entirely_available (val)) | |
501 | { | |
dfcee124 AG |
502 | real_type = value_rtti_indirect_type (val, &full, &top, |
503 | &using_enc); | |
ec0a52e1 PA |
504 | if (real_type) |
505 | { | |
506 | /* RTTI entry found. */ | |
dfcee124 AG |
507 | type = real_type; |
508 | ||
ec0a52e1 PA |
509 | /* Need to adjust pointer value. */ |
510 | val = value_from_pointer (type, value_as_address (val) - top); | |
511 | ||
512 | /* Note: When we look up RTTI entries, we don't get | |
513 | any information on const or volatile | |
514 | attributes. */ | |
515 | } | |
516 | } | |
c4093a6a | 517 | type_print (type, "", stream, -1); |
c906108c | 518 | fprintf_filtered (stream, ") "); |
6c7a06a3 | 519 | val_type = type; |
c5aa993b | 520 | } |
c906108c SS |
521 | else |
522 | { | |
c5aa993b | 523 | /* normal case */ |
c906108c | 524 | fprintf_filtered (stream, "("); |
88750304 | 525 | type_print (value_type (val), "", stream, -1); |
c906108c SS |
526 | fprintf_filtered (stream, ") "); |
527 | } | |
528 | } | |
88750304 | 529 | |
42be36b3 CT |
530 | if (!value_initialized (val)) |
531 | fprintf_filtered (stream, " [uninitialized] "); | |
532 | ||
79a45b7d | 533 | if (options->objectprint && (TYPE_CODE (type) == TYPE_CODE_CLASS)) |
c906108c | 534 | { |
aff410f1 | 535 | /* Attempt to determine real type of object. */ |
c906108c | 536 | real_type = value_rtti_type (val, &full, &top, &using_enc); |
c5aa993b JM |
537 | if (real_type) |
538 | { | |
aff410f1 MS |
539 | /* We have RTTI information, so use it. */ |
540 | val = value_full_object (val, real_type, | |
541 | full, top, using_enc); | |
c5aa993b JM |
542 | fprintf_filtered (stream, "(%s%s) ", |
543 | TYPE_NAME (real_type), | |
3d263c1d | 544 | full ? "" : _(" [incomplete object]")); |
aff410f1 MS |
545 | /* Print out object: enclosing type is same as real_type if |
546 | full. */ | |
8e069a98 TT |
547 | val_print (value_enclosing_type (val), |
548 | value_contents_for_printing (val), 0, | |
549 | value_address (val), stream, 0, | |
550 | val, &opts, current_language); | |
551 | return; | |
aff410f1 MS |
552 | /* Note: When we look up RTTI entries, we don't get any |
553 | information on const or volatile attributes. */ | |
c5aa993b | 554 | } |
88750304 | 555 | else if (type != check_typedef (value_enclosing_type (val))) |
c5aa993b | 556 | { |
aff410f1 | 557 | /* No RTTI information, so let's do our best. */ |
c5aa993b | 558 | fprintf_filtered (stream, "(%s ?) ", |
4754a64e | 559 | TYPE_NAME (value_enclosing_type (val))); |
8e069a98 TT |
560 | val_print (value_enclosing_type (val), |
561 | value_contents_for_printing (val), 0, | |
562 | value_address (val), stream, 0, | |
563 | val, &opts, current_language); | |
564 | return; | |
c5aa993b | 565 | } |
aff410f1 | 566 | /* Otherwise, we end up at the return outside this "if". */ |
c906108c | 567 | } |
c5aa993b | 568 | |
8e069a98 TT |
569 | val_print (val_type, value_contents_for_printing (val), |
570 | value_embedded_offset (val), | |
571 | value_address (val), | |
572 | stream, 0, | |
573 | val, &opts, current_language); | |
c906108c | 574 | } |