Bug Summary

File:src/gnu/usr.bin/binutils/gdb/c-valprint.c
Warning:line 118, column 8
Value stored to 'i' is never read

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name c-valprint.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -resource-dir /usr/local/lib/clang/13.0.0 -D PIE_DEFAULT=1 -I . -I /usr/src/gnu/usr.bin/binutils/gdb -I /usr/src/gnu/usr.bin/binutils/gdb/config -D LOCALEDIR="/usr/share/locale" -D HAVE_CONFIG_H -I /usr/src/gnu/usr.bin/binutils/gdb/../include/opcode -I ../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../include -I ../intl -I /usr/src/gnu/usr.bin/binutils/gdb/../intl -D MI_OUT=1 -D TUI=1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fgnuc-version=4.2.1 -fcommon -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c /usr/src/gnu/usr.bin/binutils/gdb/c-valprint.c
1/* Support for printing C values for GDB, the GNU debugger.
2
3 Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
5
6 This file is part of GDB.
7
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.
12
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.
17
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. */
22
23#include "defs.h"
24#include "gdb_string.h"
25#include "symtab.h"
26#include "gdbtypes.h"
27#include "expression.h"
28#include "value.h"
29#include "valprint.h"
30#include "language.h"
31#include "c-lang.h"
32#include "cp-abi.h"
33#include "target.h"
34
35
36/* Print function pointer with inferior address ADDRESS onto stdio
37 stream STREAM. */
38
39static void
40print_function_pointer_address (CORE_ADDR address, struct ui_file *stream)
41{
42 CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
43 address,
44 &current_target);
45
46 /* If the function pointer is represented by a description, print the
47 address of the description. */
48 if (addressprint && func_addr != address)
49 {
50 fputs_filtered ("@", stream);
51 print_address_numeric (address, 1, stream);
52 fputs_filtered (": ", stream);
53 }
54 print_address_demangle (func_addr, stream, demangle);
55}
56
57
58/* Print data of type TYPE located at VALADDR (within GDB), which came from
59 the inferior at address ADDRESS, onto stdio stream STREAM according to
60 FORMAT (a letter or 0 for natural format). The data at VALADDR is in
61 target byte order.
62
63 If the data are a string pointer, returns the number of string characters
64 printed.
65
66 If DEREF_REF is nonzero, then dereference references, otherwise just print
67 them like pointers.
68
69 The PRETTY parameter controls prettyprinting. */
70
71int
72c_val_print (struct type *type, char *valaddr, int embedded_offset,
73 CORE_ADDR address, struct ui_file *stream, int format,
74 int deref_ref, int recurse, enum val_prettyprint pretty)
75{
76 unsigned int i = 0; /* Number of characters printed */
77 unsigned len;
78 struct type *elttype;
79 unsigned eltlen;
80 LONGESTlong val;
81 CORE_ADDR addr;
82
83 CHECK_TYPEDEF (type)(type) = check_typedef (type);
84 switch (TYPE_CODE (type)(type)->main_type->code)
85 {
86 case TYPE_CODE_ARRAY:
87 elttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type);
88 if (TYPE_LENGTH (type)(type)->length > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->length > 0)
89 {
90 eltlen = TYPE_LENGTH (elttype)(elttype)->length;
91 len = TYPE_LENGTH (type)(type)->length / eltlen;
92 if (prettyprint_arrays)
93 {
94 print_spaces_filtered (2 + 2 * recurse, stream);
95 }
96 /* For an array of chars, print with string syntax. */
97 if (eltlen == 1 &&
98 ((TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_INT)
99 || ((current_language->la_language == language_m2)
100 && (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_CHAR)))
101 && (format == 0 || format == 's'))
102 {
103 /* If requested, look for the first null char and only print
104 elements up to it. */
105 if (stop_print_at_null)
106 {
107 unsigned int temp_len;
108
109 /* Look for a NULL char. */
110 for (temp_len = 0;
111 (valaddr + embedded_offset)[temp_len]
112 && temp_len < len && temp_len < print_max;
113 temp_len++);
114 len = temp_len;
115 }
116
117 LA_PRINT_STRING (stream, valaddr + embedded_offset, len, eltlen, 0)(current_language->la_printstr(stream, valaddr + embedded_offset
, len, eltlen, 0));
118 i = len;
Value stored to 'i' is never read
119 }
120 else
121 {
122 fprintf_filtered (stream, "{");
123 /* If this is a virtual function table, print the 0th
124 entry specially, and the rest of the members normally. */
125 if (cp_is_vtbl_ptr_type (elttype))
126 {
127 i = 1;
128 fprintf_filtered (stream, "%d vtable entries", len - 1);
129 }
130 else
131 {
132 i = 0;
133 }
134 val_print_array_elements (type, valaddr + embedded_offset, address, stream,
135 format, deref_ref, recurse, pretty, i);
136 fprintf_filtered (stream, "}");
137 }
138 break;
139 }
140 /* Array of unspecified length: treat like pointer to first elt. */
141 addr = address;
142 goto print_unpacked_pointer;
143
144 case TYPE_CODE_PTR:
145 if (format && format != 's')
146 {
147 print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
148 break;
149 }
150 if (vtblprint && cp_is_vtbl_ptr_type (type))
151 {
152 /* Print the unmangled name if desired. */
153 /* Print vtable entry - we only get here if we ARE using
154 -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
155 CORE_ADDR addr
156 = extract_typed_address (valaddr + embedded_offset, type);
157 print_function_pointer_address (addr, stream);
158 break;
159 }
160 elttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type);
161 if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_METHOD)
162 {
163 cp_print_class_method (valaddr + embedded_offset, type, stream);
164 }
165 else if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_MEMBER)
166 {
167 cp_print_class_member (valaddr + embedded_offset,
168 TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->main_type->vptr_basetype,
169 stream, "&");
170 }
171 else
172 {
173 addr = unpack_pointer (type, valaddr + embedded_offset);
174 print_unpacked_pointer:
175
176 if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_FUNC)
177 {
178 /* Try to print what function it points to. */
179 print_function_pointer_address (addr, stream);
180 /* Return value is irrelevant except for string pointers. */
181 return (0);
182 }
183
184 if (addressprint && format != 's')
185 {
186 print_address_numeric (addr, 1, stream);
187 }
188
189 /* For a pointer to char or unsigned char, also print the string
190 pointed to, unless pointer is null. */
191 /* FIXME: need to handle wchar_t here... */
192
193 if (TYPE_LENGTH (elttype)(elttype)->length == 1
194 && TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_INT
195 && (format == 0 || format == 's')
196 && addr != 0)
197 {
198 i = val_print_string (addr, -1, TYPE_LENGTH (elttype)(elttype)->length, stream);
199 }
200 else if (cp_is_vtbl_member (type))
201 {
202 /* print vtbl's nicely */
203 CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
204
205 struct minimal_symbol *msymbol =
206 lookup_minimal_symbol_by_pc (vt_address);
207 if ((msymbol != NULL((void*)0)) &&
208 (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)(msymbol)->ginfo.value.address))
209 {
210 fputs_filtered (" <", stream);
211 fputs_filtered (SYMBOL_PRINT_NAME (msymbol)(demangle ? (symbol_natural_name (&(msymbol)->ginfo)) :
(msymbol)->ginfo.name), stream);
212 fputs_filtered (">", stream);
213 }
214 if (vt_address && vtblprint)
215 {
216 struct value *vt_val;
217 struct symbol *wsym = (struct symbol *) NULL((void*)0);
218 struct type *wtype;
219 struct block *block = (struct block *) NULL((void*)0);
220 int is_this_fld;
221
222 if (msymbol != NULL((void*)0))
223 wsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (msymbol)(msymbol)->ginfo.name, block,
224 VAR_DOMAIN, &is_this_fld, NULL((void*)0));
225
226 if (wsym)
227 {
228 wtype = SYMBOL_TYPE (wsym)(wsym)->type;
229 }
230 else
231 {
232 wtype = TYPE_TARGET_TYPE (type)(type)->main_type->target_type;
233 }
234 vt_val = value_at (wtype, vt_address, NULL((void*)0));
235 val_print (VALUE_TYPE (vt_val)(vt_val)->type, VALUE_CONTENTS (vt_val)((void)((vt_val)->lazy && value_fetch_lazy(vt_val)
), ((char *) (vt_val)->aligner.contents + (vt_val)->embedded_offset
)), 0,
236 VALUE_ADDRESS (vt_val)(vt_val)->location.address, stream, format,
237 deref_ref, recurse + 1, pretty);
238 if (pretty)
239 {
240 fprintf_filtered (stream, "\n");
241 print_spaces_filtered (2 + 2 * recurse, stream);
242 }
243 }
244 }
245
246 /* Return number of characters printed, including the terminating
247 '\0' if we reached the end. val_print_string takes care including
248 the terminating '\0' if necessary. */
249 return i;
250 }
251 break;
252
253 case TYPE_CODE_MEMBER:
254 error ("not implemented: member type in c_val_print");
255 break;
256
257 case TYPE_CODE_REF:
258 elttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type);
259 if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_MEMBER)
260 {
261 cp_print_class_member (valaddr + embedded_offset,
262 TYPE_DOMAIN_TYPE (elttype)(elttype)->main_type->vptr_basetype,
263 stream, "");
264 break;
265 }
266 if (addressprint)
267 {
268 CORE_ADDR addr
269 = extract_typed_address (valaddr + embedded_offset, type);
270 fprintf_filtered (stream, "@");
271 print_address_numeric (addr, 1, stream);
272 if (deref_ref)
273 fputs_filtered (": ", stream);
274 }
275 /* De-reference the reference. */
276 if (deref_ref)
277 {
278 if (TYPE_CODE (elttype)(elttype)->main_type->code != TYPE_CODE_UNDEF)
279 {
280 struct value *deref_val =
281 value_at
282 (TYPE_TARGET_TYPE (type)(type)->main_type->target_type,
283 unpack_pointer (lookup_pointer_type (builtin_type_void),
284 valaddr + embedded_offset),
285 NULL((void*)0));
286 val_print (VALUE_TYPE (deref_val)(deref_val)->type,
287 VALUE_CONTENTS (deref_val)((void)((deref_val)->lazy && value_fetch_lazy(deref_val
)), ((char *) (deref_val)->aligner.contents + (deref_val)->
embedded_offset)),
288 0,
289 VALUE_ADDRESS (deref_val)(deref_val)->location.address,
290 stream,
291 format,
292 deref_ref,
293 recurse,
294 pretty);
295 }
296 else
297 fputs_filtered ("???", stream);
298 }
299 break;
300
301 case TYPE_CODE_UNION:
302 if (recurse && !unionprint)
303 {
304 fprintf_filtered (stream, "{...}");
305 break;
306 }
307 /* Fall through. */
308 case TYPE_CODE_STRUCT:
309 /*FIXME: Abstract this away */
310 if (vtblprint && cp_is_vtbl_ptr_type (type))
311 {
312 /* Print the unmangled name if desired. */
313 /* Print vtable entry - we only get here if NOT using
314 -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
315 int offset = (embedded_offset +
316 TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET)(((type)->main_type->fields[2]).loc.bitpos) / 8);
317 struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET)(((type)->main_type->fields[2]).type);
318 CORE_ADDR addr
319 = extract_typed_address (valaddr + offset, field_type);
320
321 print_function_pointer_address (addr, stream);
322 }
323 else
324 cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream, format,
325 recurse, pretty, NULL((void*)0), 0);
326 break;
327
328 case TYPE_CODE_ENUM:
329 if (format)
330 {
331 print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
332 break;
333 }
334 len = TYPE_NFIELDS (type)(type)->main_type->nfields;
335 val = unpack_long (type, valaddr + embedded_offset);
336 for (i = 0; i < len; i++)
337 {
338 QUIT{ if (quit_flag) quit (); if (deprecated_interactive_hook) deprecated_interactive_hook
(); };
339 if (val == TYPE_FIELD_BITPOS (type, i)(((type)->main_type->fields[i]).loc.bitpos))
340 {
341 break;
342 }
343 }
344 if (i < len)
345 {
346 fputs_filtered (TYPE_FIELD_NAME (type, i)(((type)->main_type->fields[i]).name), stream);
347 }
348 else
349 {
350 print_longest (stream, 'd', 0, val);
351 }
352 break;
353
354 case TYPE_CODE_FUNC:
355 if (format)
356 {
357 print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
358 break;
359 }
360 /* FIXME, we should consider, at least for ANSI C language, eliminating
361 the distinction made between FUNCs and POINTERs to FUNCs. */
362 fprintf_filtered (stream, "{");
363 type_print (type, "", stream, -1);
364 fprintf_filtered (stream, "} ");
365 /* Try to print what function it points to, and its address. */
366 print_address_demangle (address, stream, demangle);
367 break;
368
369 case TYPE_CODE_BOOL:
370 format = format ? format : output_format;
371 if (format)
372 print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
373 else
374 {
375 val = unpack_long (type, valaddr + embedded_offset);
376 if (val == 0)
377 fputs_filtered ("false", stream);
378 else if (val == 1)
379 fputs_filtered ("true", stream);
380 else
381 print_longest (stream, 'd', 0, val);
382 }
383 break;
384
385 case TYPE_CODE_RANGE:
386 /* FIXME: create_range_type does not set the unsigned bit in a
387 range type (I think it probably should copy it from the target
388 type), so we won't print values which are too large to
389 fit in a signed integer correctly. */
390 /* FIXME: Doesn't handle ranges of enums correctly. (Can't just
391 print with the target type, though, because the size of our type
392 and the target type might differ). */
393 /* FALLTHROUGH */
394
395 case TYPE_CODE_INT:
396 format = format ? format : output_format;
397 if (format)
398 {
399 print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
400 }
401 else
402 {
403 val_print_type_code_int (type, valaddr + embedded_offset, stream);
404 /* C and C++ has no single byte int type, char is used instead.
405 Since we don't know whether the value is really intended to
406 be used as an integer or a character, print the character
407 equivalent as well. */
408 if (TYPE_LENGTH (type)(type)->length == 1)
409 {
410 fputs_filtered (" ", stream);
411 LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset),(current_language->la_printchar((unsigned char) unpack_long
(type, valaddr + embedded_offset), stream))
412 stream)(current_language->la_printchar((unsigned char) unpack_long
(type, valaddr + embedded_offset), stream));
413 }
414 }
415 break;
416
417 case TYPE_CODE_CHAR:
418 format = format ? format : output_format;
419 if (format)
420 {
421 print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
422 }
423 else
424 {
425 val = unpack_long (type, valaddr + embedded_offset);
426 if (TYPE_UNSIGNED (type)((type)->main_type->flags & (1 << 0)))
427 fprintf_filtered (stream, "%u", (unsigned int) val);
428 else
429 fprintf_filtered (stream, "%d", (int) val);
430 fputs_filtered (" ", stream);
431 LA_PRINT_CHAR ((unsigned char) val, stream)(current_language->la_printchar((unsigned char) val, stream
));
432 }
433 break;
434
435 case TYPE_CODE_FLT:
436 if (format)
437 {
438 print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
439 }
440 else
441 {
442 print_floating (valaddr + embedded_offset, type, stream);
443 }
444 break;
445
446 case TYPE_CODE_METHOD:
447 {
448 struct value *v = value_at (type, address, NULL((void*)0));
449 cp_print_class_method (VALUE_CONTENTS (value_addr (v))((void)((value_addr (v))->lazy && value_fetch_lazy
(value_addr (v))), ((char *) (value_addr (v))->aligner.contents
+ (value_addr (v))->embedded_offset)),
450 lookup_pointer_type (type), stream);
451 break;
452 }
453
454 case TYPE_CODE_VOID:
455 fprintf_filtered (stream, "void");
456 break;
457
458 case TYPE_CODE_ERROR:
459 fprintf_filtered (stream, "<error type>");
460 break;
461
462 case TYPE_CODE_UNDEF:
463 /* This happens (without TYPE_FLAG_STUB set) on systems which don't use
464 dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
465 and no complete type for struct foo in that file. */
466 fprintf_filtered (stream, "<incomplete type>");
467 break;
468
469 case TYPE_CODE_COMPLEX:
470 if (format)
471 print_scalar_formatted (valaddr + embedded_offset,
472 TYPE_TARGET_TYPE (type)(type)->main_type->target_type,
473 format, 0, stream);
474 else
475 print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type)(type)->main_type->target_type,
476 stream);
477 fprintf_filtered (stream, " + ");
478 if (format)
479 print_scalar_formatted (valaddr + embedded_offset
480 + TYPE_LENGTH (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->length,
481 TYPE_TARGET_TYPE (type)(type)->main_type->target_type,
482 format, 0, stream);
483 else
484 print_floating (valaddr + embedded_offset
485 + TYPE_LENGTH (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->length,
486 TYPE_TARGET_TYPE (type)(type)->main_type->target_type,
487 stream);
488 fprintf_filtered (stream, " * I");
489 break;
490
491 default:
492 error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type)(type)->main_type->code);
493 }
494 gdb_flush (stream);
495 return (0);
496}
497
498int
499c_value_print (struct value *val, struct ui_file *stream, int format,
500 enum val_prettyprint pretty)
501{
502 struct type *type = VALUE_TYPE (val)(val)->type;
503 struct type *real_type;
504 int full, top, using_enc;
505
506 /* If it is a pointer, indicate what it points to.
507
508 Print type also if it is a reference.
509
510 C++: if it is a member pointer, we will take care
511 of that when we print it. */
512 if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR ||
513 TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_REF)
514 {
515 /* Hack: remove (char *) for char strings. Their
516 type is indicated by the quoted string anyway. */
517 if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR &&
518 TYPE_NAME (type)(type)->main_type->name == NULL((void*)0) &&
519 TYPE_NAME (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->main_type->name != NULL((void*)0) &&
520 strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->main_type->name, "char") == 0)
521 {
522 /* Print nothing */
523 }
524 else if (objectprint && (TYPE_CODE (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->main_type->code == TYPE_CODE_CLASSTYPE_CODE_STRUCT))
525 {
526
527 if (TYPE_CODE(type)(type)->main_type->code == TYPE_CODE_REF)
528 {
529 /* Copy value, change to pointer, so we don't get an
530 * error about a non-pointer type in value_rtti_target_type
531 */
532 struct value *temparg;
533 temparg=value_copy(val);
534 VALUE_TYPE (temparg)(temparg)->type = lookup_pointer_type(TYPE_TARGET_TYPE(type)(type)->main_type->target_type);
535 val=temparg;
536 }
537 /* Pointer to class, check real type of object */
538 fprintf_filtered (stream, "(");
539 real_type = value_rtti_target_type (val, &full, &top, &using_enc);
540 if (real_type)
541 {
542 /* RTTI entry found */
543 if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR)
544 {
545 /* create a pointer type pointing to the real type */
546 type = lookup_pointer_type (real_type);
547 }
548 else
549 {
550 /* create a reference type referencing the real type */
551 type = lookup_reference_type (real_type);
552 }
553 /* JYG: Need to adjust pointer value. */
554 val->aligner.contents[0] -= top;
555
556 /* Note: When we look up RTTI entries, we don't get any
557 information on const or volatile attributes */
558 }
559 type_print (type, "", stream, -1);
560 fprintf_filtered (stream, ") ");
561 }
562 else
563 {
564 /* normal case */
565 fprintf_filtered (stream, "(");
566 type_print (type, "", stream, -1);
567 fprintf_filtered (stream, ") ");
568 }
569 }
570 if (objectprint && (TYPE_CODE (VALUE_TYPE (val))((val)->type)->main_type->code == TYPE_CODE_CLASSTYPE_CODE_STRUCT))
571 {
572 /* Attempt to determine real type of object */
573 real_type = value_rtti_type (val, &full, &top, &using_enc);
574 if (real_type)
575 {
576 /* We have RTTI information, so use it */
577 val = value_full_object (val, real_type, full, top, using_enc);
578 fprintf_filtered (stream, "(%s%s) ",
579 TYPE_NAME (real_type)(real_type)->main_type->name,
580 full ? "" : " [incomplete object]");
581 /* Print out object: enclosing type is same as real_type if full */
582 return val_print (VALUE_ENCLOSING_TYPE (val)(val)->enclosing_type, VALUE_CONTENTS_ALL (val)((void) ((val)->lazy && value_fetch_lazy(val)), ((
char *) (val)->aligner.contents)), 0,
583 VALUE_ADDRESS (val)(val)->location.address, stream, format, 1, 0, pretty);
584 /* Note: When we look up RTTI entries, we don't get any information on
585 const or volatile attributes */
586 }
587 else if (type != VALUE_ENCLOSING_TYPE (val)(val)->enclosing_type)
588 {
589 /* No RTTI information, so let's do our best */
590 fprintf_filtered (stream, "(%s ?) ",
591 TYPE_NAME (VALUE_ENCLOSING_TYPE (val))((val)->enclosing_type)->main_type->name);
592 return val_print (VALUE_ENCLOSING_TYPE (val)(val)->enclosing_type, VALUE_CONTENTS_ALL (val)((void) ((val)->lazy && value_fetch_lazy(val)), ((
char *) (val)->aligner.contents)), 0,
593 VALUE_ADDRESS (val)(val)->location.address, stream, format, 1, 0, pretty);
594 }
595 /* Otherwise, we end up at the return outside this "if" */
596 }
597
598 return val_print (type, VALUE_CONTENTS_ALL (val)((void) ((val)->lazy && value_fetch_lazy(val)), ((
char *) (val)->aligner.contents)),
599 VALUE_EMBEDDED_OFFSET (val)((val)->embedded_offset),
600 VALUE_ADDRESS (val)(val)->location.address + VALUE_OFFSET (val)(val)->offset,
601 stream, format, 1, 0, pretty);
602}