Commit | Line | Data |
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c906108c | 1 | /* Support for printing C values for GDB, the GNU debugger. |
b6ba6518 | 2 | Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, |
6943961c | 3 | 1998, 1999, 2000, 2001 |
c5aa993b | 4 | Free 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 | |
10 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
309367d4 | 24 | #include "gdb_string.h" |
c906108c SS |
25 | #include "symtab.h" |
26 | #include "gdbtypes.h" | |
27 | #include "expression.h" | |
28 | #include "value.h" | |
c906108c SS |
29 | #include "valprint.h" |
30 | #include "language.h" | |
31 | #include "c-lang.h" | |
015a42b4 | 32 | #include "cp-abi.h" |
c906108c | 33 | \f |
c5aa993b | 34 | |
6e778545 PS |
35 | /* Print function pointer with inferior address ADDRESS onto stdio |
36 | stream STREAM. */ | |
37 | ||
38 | static void | |
39 | print_function_pointer_address (CORE_ADDR address, struct ui_file *stream) | |
40 | { | |
41 | CORE_ADDR func_addr = CONVERT_FROM_FUNC_PTR_ADDR (address); | |
42 | ||
43 | /* If the function pointer is represented by a description, print the | |
44 | address of the description. */ | |
45 | if (addressprint && func_addr != address) | |
46 | { | |
47 | fputs_filtered ("@", stream); | |
48 | print_address_numeric (address, 1, stream); | |
49 | fputs_filtered (": ", stream); | |
50 | } | |
51 | print_address_demangle (func_addr, stream, demangle); | |
52 | } | |
53 | ||
54 | ||
c906108c SS |
55 | /* Print data of type TYPE located at VALADDR (within GDB), which came from |
56 | the inferior at address ADDRESS, onto stdio stream STREAM according to | |
57 | FORMAT (a letter or 0 for natural format). The data at VALADDR is in | |
58 | target byte order. | |
59 | ||
60 | If the data are a string pointer, returns the number of string characters | |
61 | printed. | |
62 | ||
63 | If DEREF_REF is nonzero, then dereference references, otherwise just print | |
64 | them like pointers. | |
65 | ||
66 | The PRETTY parameter controls prettyprinting. */ | |
67 | ||
68 | int | |
fba45db2 KB |
69 | c_val_print (struct type *type, char *valaddr, int embedded_offset, |
70 | CORE_ADDR address, struct ui_file *stream, int format, | |
71 | int deref_ref, int recurse, enum val_prettyprint pretty) | |
c906108c | 72 | { |
c5aa993b | 73 | register unsigned int i = 0; /* Number of characters printed */ |
c906108c SS |
74 | unsigned len; |
75 | struct type *elttype; | |
76 | unsigned eltlen; | |
77 | LONGEST val; | |
78 | CORE_ADDR addr; | |
79 | ||
80 | CHECK_TYPEDEF (type); | |
81 | switch (TYPE_CODE (type)) | |
82 | { | |
83 | case TYPE_CODE_ARRAY: | |
84 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
85 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) | |
86 | { | |
87 | eltlen = TYPE_LENGTH (elttype); | |
88 | len = TYPE_LENGTH (type) / eltlen; | |
89 | if (prettyprint_arrays) | |
90 | { | |
91 | print_spaces_filtered (2 + 2 * recurse, stream); | |
92 | } | |
93 | /* For an array of chars, print with string syntax. */ | |
94 | if (eltlen == 1 && | |
95 | ((TYPE_CODE (elttype) == TYPE_CODE_INT) | |
96 | || ((current_language->la_language == language_m2) | |
97 | && (TYPE_CODE (elttype) == TYPE_CODE_CHAR))) | |
98 | && (format == 0 || format == 's')) | |
99 | { | |
100 | /* If requested, look for the first null char and only print | |
c5aa993b | 101 | elements up to it. */ |
c906108c SS |
102 | if (stop_print_at_null) |
103 | { | |
745b8ca0 | 104 | unsigned int temp_len; |
c5aa993b | 105 | |
c906108c SS |
106 | /* Look for a NULL char. */ |
107 | for (temp_len = 0; | |
108 | (valaddr + embedded_offset)[temp_len] | |
109 | && temp_len < len && temp_len < print_max; | |
110 | temp_len++); | |
111 | len = temp_len; | |
112 | } | |
c5aa993b | 113 | |
c906108c SS |
114 | LA_PRINT_STRING (stream, valaddr + embedded_offset, len, eltlen, 0); |
115 | i = len; | |
116 | } | |
117 | else | |
118 | { | |
119 | fprintf_filtered (stream, "{"); | |
120 | /* If this is a virtual function table, print the 0th | |
c5aa993b | 121 | entry specially, and the rest of the members normally. */ |
c906108c SS |
122 | if (cp_is_vtbl_ptr_type (elttype)) |
123 | { | |
124 | i = 1; | |
125 | fprintf_filtered (stream, "%d vtable entries", len - 1); | |
126 | } | |
127 | else | |
128 | { | |
129 | i = 0; | |
130 | } | |
131 | val_print_array_elements (type, valaddr + embedded_offset, address, stream, | |
c5aa993b | 132 | format, deref_ref, recurse, pretty, i); |
c906108c SS |
133 | fprintf_filtered (stream, "}"); |
134 | } | |
135 | break; | |
136 | } | |
137 | /* Array of unspecified length: treat like pointer to first elt. */ | |
138 | addr = address; | |
139 | goto print_unpacked_pointer; | |
140 | ||
141 | case TYPE_CODE_PTR: | |
142 | if (format && format != 's') | |
143 | { | |
144 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
145 | break; | |
146 | } | |
c5aa993b | 147 | if (vtblprint && cp_is_vtbl_ptr_type (type)) |
c906108c | 148 | { |
c5aa993b | 149 | /* Print the unmangled name if desired. */ |
c906108c SS |
150 | /* Print vtable entry - we only get here if we ARE using |
151 | -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */ | |
4478b372 JB |
152 | CORE_ADDR addr |
153 | = extract_typed_address (valaddr + embedded_offset, type); | |
6e778545 | 154 | print_function_pointer_address (addr, stream); |
c906108c SS |
155 | break; |
156 | } | |
157 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
158 | if (TYPE_CODE (elttype) == TYPE_CODE_METHOD) | |
159 | { | |
160 | cp_print_class_method (valaddr + embedded_offset, type, stream); | |
161 | } | |
162 | else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER) | |
163 | { | |
164 | cp_print_class_member (valaddr + embedded_offset, | |
165 | TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)), | |
166 | stream, "&"); | |
167 | } | |
168 | else | |
169 | { | |
170 | addr = unpack_pointer (type, valaddr + embedded_offset); | |
171 | print_unpacked_pointer: | |
c906108c SS |
172 | |
173 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
174 | { | |
175 | /* Try to print what function it points to. */ | |
6e778545 | 176 | print_function_pointer_address (addr, stream); |
c906108c SS |
177 | /* Return value is irrelevant except for string pointers. */ |
178 | return (0); | |
179 | } | |
180 | ||
181 | if (addressprint && format != 's') | |
182 | { | |
183 | print_address_numeric (addr, 1, stream); | |
184 | } | |
185 | ||
186 | /* For a pointer to char or unsigned char, also print the string | |
187 | pointed to, unless pointer is null. */ | |
188 | /* FIXME: need to handle wchar_t here... */ | |
189 | ||
190 | if (TYPE_LENGTH (elttype) == 1 | |
191 | && TYPE_CODE (elttype) == TYPE_CODE_INT | |
192 | && (format == 0 || format == 's') | |
193 | && addr != 0) | |
194 | { | |
195 | i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream); | |
196 | } | |
c5aa993b JM |
197 | else if (cp_is_vtbl_member (type)) |
198 | { | |
c906108c SS |
199 | /* print vtbl's nicely */ |
200 | CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset); | |
201 | ||
202 | struct minimal_symbol *msymbol = | |
c5aa993b | 203 | lookup_minimal_symbol_by_pc (vt_address); |
c906108c SS |
204 | if ((msymbol != NULL) && |
205 | (vt_address == SYMBOL_VALUE_ADDRESS (msymbol))) | |
206 | { | |
207 | fputs_filtered (" <", stream); | |
208 | fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream); | |
209 | fputs_filtered (">", stream); | |
210 | } | |
211 | if (vt_address && vtblprint) | |
c5aa993b | 212 | { |
6943961c | 213 | struct value *vt_val; |
c5aa993b JM |
214 | struct symbol *wsym = (struct symbol *) NULL; |
215 | struct type *wtype; | |
c906108c | 216 | struct symtab *s; |
c5aa993b | 217 | struct block *block = (struct block *) NULL; |
c906108c SS |
218 | int is_this_fld; |
219 | ||
220 | if (msymbol != NULL) | |
c5aa993b JM |
221 | wsym = lookup_symbol (SYMBOL_NAME (msymbol), block, |
222 | VAR_NAMESPACE, &is_this_fld, &s); | |
223 | ||
c906108c SS |
224 | if (wsym) |
225 | { | |
c5aa993b | 226 | wtype = SYMBOL_TYPE (wsym); |
c906108c SS |
227 | } |
228 | else | |
229 | { | |
c5aa993b | 230 | wtype = TYPE_TARGET_TYPE (type); |
c906108c SS |
231 | } |
232 | vt_val = value_at (wtype, vt_address, NULL); | |
233 | val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val), 0, | |
234 | VALUE_ADDRESS (vt_val), stream, format, | |
235 | deref_ref, recurse + 1, pretty); | |
236 | if (pretty) | |
237 | { | |
238 | fprintf_filtered (stream, "\n"); | |
239 | print_spaces_filtered (2 + 2 * recurse, stream); | |
240 | } | |
c5aa993b JM |
241 | } |
242 | } | |
c906108c SS |
243 | |
244 | /* Return number of characters printed, including the terminating | |
245 | '\0' if we reached the end. val_print_string takes care including | |
246 | the terminating '\0' if necessary. */ | |
247 | return i; | |
248 | } | |
249 | break; | |
250 | ||
251 | case TYPE_CODE_MEMBER: | |
252 | error ("not implemented: member type in c_val_print"); | |
253 | break; | |
254 | ||
255 | case TYPE_CODE_REF: | |
256 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
257 | if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER) | |
c5aa993b | 258 | { |
c906108c SS |
259 | cp_print_class_member (valaddr + embedded_offset, |
260 | TYPE_DOMAIN_TYPE (elttype), | |
261 | stream, ""); | |
262 | break; | |
263 | } | |
264 | if (addressprint) | |
c5aa993b | 265 | { |
4478b372 JB |
266 | CORE_ADDR addr |
267 | = extract_typed_address (valaddr + embedded_offset, type); | |
c906108c | 268 | fprintf_filtered (stream, "@"); |
4478b372 | 269 | print_address_numeric (addr, 1, stream); |
c906108c SS |
270 | if (deref_ref) |
271 | fputs_filtered (": ", stream); | |
c5aa993b | 272 | } |
c906108c SS |
273 | /* De-reference the reference. */ |
274 | if (deref_ref) | |
275 | { | |
276 | if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) | |
277 | { | |
6943961c | 278 | struct value *deref_val = |
c5aa993b JM |
279 | value_at |
280 | (TYPE_TARGET_TYPE (type), | |
281 | unpack_pointer (lookup_pointer_type (builtin_type_void), | |
282 | valaddr + embedded_offset), | |
283 | NULL); | |
c906108c | 284 | val_print (VALUE_TYPE (deref_val), |
c5aa993b JM |
285 | VALUE_CONTENTS (deref_val), |
286 | 0, | |
287 | VALUE_ADDRESS (deref_val), | |
288 | stream, | |
289 | format, | |
290 | deref_ref, | |
291 | recurse, | |
292 | pretty); | |
c906108c SS |
293 | } |
294 | else | |
295 | fputs_filtered ("???", stream); | |
296 | } | |
297 | break; | |
298 | ||
299 | case TYPE_CODE_UNION: | |
300 | if (recurse && !unionprint) | |
301 | { | |
302 | fprintf_filtered (stream, "{...}"); | |
303 | break; | |
304 | } | |
305 | /* Fall through. */ | |
306 | case TYPE_CODE_STRUCT: | |
015a42b4 | 307 | /*FIXME: Abstract this away */ |
c5aa993b | 308 | if (vtblprint && cp_is_vtbl_ptr_type (type)) |
c906108c | 309 | { |
c5aa993b | 310 | /* Print the unmangled name if desired. */ |
c906108c SS |
311 | /* Print vtable entry - we only get here if NOT using |
312 | -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */ | |
4478b372 JB |
313 | int offset = (embedded_offset + |
314 | TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8); | |
315 | struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET); | |
316 | CORE_ADDR addr | |
317 | = extract_typed_address (valaddr + offset, field_type); | |
318 | ||
6e778545 | 319 | print_function_pointer_address (addr, stream); |
c906108c SS |
320 | } |
321 | else | |
322 | cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream, format, | |
323 | recurse, pretty, NULL, 0); | |
324 | break; | |
325 | ||
326 | case TYPE_CODE_ENUM: | |
327 | if (format) | |
328 | { | |
329 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
330 | break; | |
331 | } | |
332 | len = TYPE_NFIELDS (type); | |
333 | val = unpack_long (type, valaddr + embedded_offset); | |
334 | for (i = 0; i < len; i++) | |
335 | { | |
336 | QUIT; | |
337 | if (val == TYPE_FIELD_BITPOS (type, i)) | |
338 | { | |
339 | break; | |
340 | } | |
341 | } | |
342 | if (i < len) | |
343 | { | |
344 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
345 | } | |
346 | else | |
347 | { | |
348 | print_longest (stream, 'd', 0, val); | |
349 | } | |
350 | break; | |
351 | ||
352 | case TYPE_CODE_FUNC: | |
353 | if (format) | |
354 | { | |
355 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
356 | break; | |
357 | } | |
358 | /* FIXME, we should consider, at least for ANSI C language, eliminating | |
c5aa993b | 359 | the distinction made between FUNCs and POINTERs to FUNCs. */ |
c906108c SS |
360 | fprintf_filtered (stream, "{"); |
361 | type_print (type, "", stream, -1); | |
362 | fprintf_filtered (stream, "} "); | |
363 | /* Try to print what function it points to, and its address. */ | |
364 | print_address_demangle (address, stream, demangle); | |
365 | break; | |
366 | ||
367 | case TYPE_CODE_BOOL: | |
368 | format = format ? format : output_format; | |
369 | if (format) | |
370 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
371 | else | |
372 | { | |
373 | val = unpack_long (type, valaddr + embedded_offset); | |
374 | if (val == 0) | |
375 | fputs_filtered ("false", stream); | |
376 | else if (val == 1) | |
377 | fputs_filtered ("true", stream); | |
378 | else | |
379 | print_longest (stream, 'd', 0, val); | |
380 | } | |
381 | break; | |
382 | ||
383 | case TYPE_CODE_RANGE: | |
384 | /* FIXME: create_range_type does not set the unsigned bit in a | |
c5aa993b JM |
385 | range type (I think it probably should copy it from the target |
386 | type), so we won't print values which are too large to | |
387 | fit in a signed integer correctly. */ | |
c906108c | 388 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just |
c5aa993b JM |
389 | print with the target type, though, because the size of our type |
390 | and the target type might differ). */ | |
c906108c SS |
391 | /* FALLTHROUGH */ |
392 | ||
393 | case TYPE_CODE_INT: | |
394 | format = format ? format : output_format; | |
395 | if (format) | |
396 | { | |
397 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
398 | } | |
399 | else | |
400 | { | |
401 | val_print_type_code_int (type, valaddr + embedded_offset, stream); | |
402 | /* C and C++ has no single byte int type, char is used instead. | |
403 | Since we don't know whether the value is really intended to | |
404 | be used as an integer or a character, print the character | |
405 | equivalent as well. */ | |
406 | if (TYPE_LENGTH (type) == 1) | |
407 | { | |
408 | fputs_filtered (" ", stream); | |
409 | LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset), | |
410 | stream); | |
411 | } | |
412 | } | |
413 | break; | |
414 | ||
415 | case TYPE_CODE_CHAR: | |
416 | format = format ? format : output_format; | |
417 | if (format) | |
418 | { | |
419 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
420 | } | |
421 | else | |
422 | { | |
96baa820 JM |
423 | val = unpack_long (type, valaddr + embedded_offset); |
424 | if (TYPE_UNSIGNED (type)) | |
425 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
426 | else | |
427 | fprintf_filtered (stream, "%d", (int) val); | |
c906108c | 428 | fputs_filtered (" ", stream); |
96baa820 | 429 | LA_PRINT_CHAR ((unsigned char) val, stream); |
c906108c SS |
430 | } |
431 | break; | |
432 | ||
433 | case TYPE_CODE_FLT: | |
434 | if (format) | |
435 | { | |
436 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
437 | } | |
438 | else | |
439 | { | |
440 | print_floating (valaddr + embedded_offset, type, stream); | |
441 | } | |
442 | break; | |
443 | ||
444 | case TYPE_CODE_METHOD: | |
acf5ed49 DJ |
445 | { |
446 | struct value *v = value_at (type, address, NULL); | |
447 | cp_print_class_method (VALUE_CONTENTS (value_addr (v)), | |
448 | lookup_pointer_type (type), stream); | |
449 | break; | |
450 | } | |
c906108c SS |
451 | |
452 | case TYPE_CODE_VOID: | |
453 | fprintf_filtered (stream, "void"); | |
454 | break; | |
455 | ||
456 | case TYPE_CODE_ERROR: | |
457 | fprintf_filtered (stream, "<error type>"); | |
458 | break; | |
459 | ||
460 | case TYPE_CODE_UNDEF: | |
461 | /* This happens (without TYPE_FLAG_STUB set) on systems which don't use | |
c5aa993b JM |
462 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
463 | and no complete type for struct foo in that file. */ | |
c906108c SS |
464 | fprintf_filtered (stream, "<incomplete type>"); |
465 | break; | |
466 | ||
fca9e603 DJ |
467 | case TYPE_CODE_COMPLEX: |
468 | if (format) | |
469 | print_scalar_formatted (valaddr + embedded_offset, | |
470 | TYPE_TARGET_TYPE (type), | |
471 | format, 0, stream); | |
472 | else | |
473 | print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type), | |
474 | stream); | |
475 | fprintf_filtered (stream, " + "); | |
476 | if (format) | |
477 | print_scalar_formatted (valaddr + embedded_offset | |
478 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
479 | TYPE_TARGET_TYPE (type), | |
480 | format, 0, stream); | |
481 | else | |
482 | print_floating (valaddr + embedded_offset | |
483 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
484 | TYPE_TARGET_TYPE (type), | |
485 | stream); | |
486 | fprintf_filtered (stream, " * I"); | |
487 | break; | |
488 | ||
c906108c SS |
489 | default: |
490 | error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type)); | |
491 | } | |
492 | gdb_flush (stream); | |
493 | return (0); | |
494 | } | |
495 | \f | |
496 | int | |
6943961c | 497 | c_value_print (struct value *val, struct ui_file *stream, int format, |
fba45db2 | 498 | enum val_prettyprint pretty) |
c906108c SS |
499 | { |
500 | struct type *type = VALUE_TYPE (val); | |
c5aa993b | 501 | struct type *real_type; |
c906108c | 502 | int full, top, using_enc; |
c5aa993b | 503 | |
c906108c SS |
504 | /* If it is a pointer, indicate what it points to. |
505 | ||
506 | Print type also if it is a reference. | |
507 | ||
508 | C++: if it is a member pointer, we will take care | |
509 | of that when we print it. */ | |
510 | if (TYPE_CODE (type) == TYPE_CODE_PTR || | |
511 | TYPE_CODE (type) == TYPE_CODE_REF) | |
512 | { | |
513 | /* Hack: remove (char *) for char strings. Their | |
c5aa993b | 514 | type is indicated by the quoted string anyway. */ |
c906108c SS |
515 | if (TYPE_CODE (type) == TYPE_CODE_PTR && |
516 | TYPE_NAME (type) == NULL && | |
517 | TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL && | |
518 | STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char")) | |
519 | { | |
520 | /* Print nothing */ | |
521 | } | |
522 | else if (objectprint && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS)) | |
c5aa993b | 523 | { |
070ad9f0 DB |
524 | |
525 | if (TYPE_CODE(type) == TYPE_CODE_REF) | |
526 | { | |
527 | /* Copy value, change to pointer, so we don't get an | |
528 | * error about a non-pointer type in value_rtti_target_type | |
529 | */ | |
6943961c | 530 | struct value *temparg; |
070ad9f0 DB |
531 | temparg=value_copy(val); |
532 | VALUE_TYPE (temparg) = lookup_pointer_type(TYPE_TARGET_TYPE(type)); | |
533 | val=temparg; | |
534 | } | |
c5aa993b | 535 | /* Pointer to class, check real type of object */ |
c906108c | 536 | fprintf_filtered (stream, "("); |
c4093a6a JM |
537 | real_type = value_rtti_target_type (val, &full, &top, &using_enc); |
538 | if (real_type) | |
c5aa993b JM |
539 | { |
540 | /* RTTI entry found */ | |
c4093a6a JM |
541 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
542 | { | |
543 | /* create a pointer type pointing to the real type */ | |
544 | type = lookup_pointer_type (real_type); | |
545 | } | |
546 | else | |
547 | { | |
548 | /* create a reference type referencing the real type */ | |
549 | type = lookup_reference_type (real_type); | |
550 | } | |
070ad9f0 DB |
551 | /* JYG: Need to adjust pointer value. */ |
552 | val->aligner.contents[0] -= top; | |
553 | ||
c4093a6a JM |
554 | /* Note: When we look up RTTI entries, we don't get any |
555 | information on const or volatile attributes */ | |
556 | } | |
557 | type_print (type, "", stream, -1); | |
c906108c | 558 | fprintf_filtered (stream, ") "); |
c5aa993b | 559 | } |
c906108c SS |
560 | else |
561 | { | |
c5aa993b | 562 | /* normal case */ |
c906108c SS |
563 | fprintf_filtered (stream, "("); |
564 | type_print (type, "", stream, -1); | |
565 | fprintf_filtered (stream, ") "); | |
566 | } | |
567 | } | |
568 | if (objectprint && (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_CLASS)) | |
569 | { | |
570 | /* Attempt to determine real type of object */ | |
571 | real_type = value_rtti_type (val, &full, &top, &using_enc); | |
c5aa993b JM |
572 | if (real_type) |
573 | { | |
574 | /* We have RTTI information, so use it */ | |
575 | val = value_full_object (val, real_type, full, top, using_enc); | |
576 | fprintf_filtered (stream, "(%s%s) ", | |
577 | TYPE_NAME (real_type), | |
578 | full ? "" : " [incomplete object]"); | |
579 | /* Print out object: enclosing type is same as real_type if full */ | |
580 | return val_print (VALUE_ENCLOSING_TYPE (val), VALUE_CONTENTS_ALL (val), 0, | |
581 | VALUE_ADDRESS (val), stream, format, 1, 0, pretty); | |
c4093a6a JM |
582 | /* Note: When we look up RTTI entries, we don't get any information on |
583 | const or volatile attributes */ | |
c5aa993b | 584 | } |
c906108c | 585 | else if (type != VALUE_ENCLOSING_TYPE (val)) |
c5aa993b JM |
586 | { |
587 | /* No RTTI information, so let's do our best */ | |
588 | fprintf_filtered (stream, "(%s ?) ", | |
589 | TYPE_NAME (VALUE_ENCLOSING_TYPE (val))); | |
590 | return val_print (VALUE_ENCLOSING_TYPE (val), VALUE_CONTENTS_ALL (val), 0, | |
591 | VALUE_ADDRESS (val), stream, format, 1, 0, pretty); | |
592 | } | |
c906108c SS |
593 | /* Otherwise, we end up at the return outside this "if" */ |
594 | } | |
c5aa993b JM |
595 | |
596 | return val_print (type, VALUE_CONTENTS_ALL (val), VALUE_EMBEDDED_OFFSET (val), | |
c906108c SS |
597 | VALUE_ADDRESS (val), |
598 | stream, format, 1, 0, pretty); | |
599 | } |