gdb/c-valprint.c

   1 /* Support for printing C values for GDB, the GNU debugger.
   2
   3    Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
   4    1998, 1999, 2000, 2001, 2003, 2005, 2006, 2007, 2008, 2009
   5    Free Software Foundation, Inc.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22 #include "defs.h"
  23 #include "gdb_string.h"
  24 #include "symtab.h"
  25 #include "gdbtypes.h"
  26 #include "expression.h"
  27 #include "value.h"
  28 #include "valprint.h"
  29 #include "language.h"
  30 #include "c-lang.h"
  31 #include "cp-abi.h"
  32 #include "target.h"
  33 \f
  34
  35 /* Print function pointer with inferior address ADDRESS onto stdio
  36    stream STREAM.  */
  37
  38 static void
  39 print_function_pointer_address (struct gdbarch *gdbarch, CORE_ADDR address,
  40                                 struct ui_file *stream, int addressprint)
  41 {
  42   CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr (gdbarch, address,
  43                                                             &current_target);
  44
  45   /* If the function pointer is represented by a description, print the
  46      address of the description.  */
  47   if (addressprint && func_addr != address)
  48     {
  49       fputs_filtered ("@", stream);
  50       fputs_filtered (paddress (gdbarch, address), stream);
  51       fputs_filtered (": ", stream);
  52     }
  53   print_address_demangle (gdbarch, func_addr, stream, demangle);
  54 }
  55
  56
  57 /* A helper for c_textual_element_type.  This checks the name of the
  58    typedef.  This is bogus but it isn't apparent that the compiler
  59    provides us the help we may need.  */
  60
  61 static int
  62 textual_name (const char *name)
  63 {
  64   return (!strcmp (name, "wchar_t")
  65           || !strcmp (name, "char16_t")
  66           || !strcmp (name, "char32_t"));
  67 }
  68
  69 /* Apply a heuristic to decide whether an array of TYPE or a pointer
  70    to TYPE should be printed as a textual string.  Return non-zero if
  71    it should, or zero if it should be treated as an array of integers
  72    or pointer to integers.  FORMAT is the current format letter,
  73    or 0 if none.
  74
  75    We guess that "char" is a character.  Explicitly signed and
  76    unsigned character types are also characters.  Integer data from
  77    vector types is not.  The user can override this by using the /s
  78    format letter.  */
  79
  80 int
  81 c_textual_element_type (struct type *type, char format)
  82 {
  83   struct type *true_type, *iter_type;
  84
  85   if (format != 0 && format != 's')
  86     return 0;
  87
  88   /* We also rely on this for its side effect of setting up all the
  89      typedef pointers.  */
  90   true_type = check_typedef (type);
  91
  92   /* TYPE_CODE_CHAR is always textual.  */
  93   if (TYPE_CODE (true_type) == TYPE_CODE_CHAR)
  94     return 1;
  95
  96   /* Any other character-like types must be integral.  */
  97   if (TYPE_CODE (true_type) != TYPE_CODE_INT)
  98     return 0;
  99
 100   /* We peel typedefs one by one, looking for a match.  */
 101   iter_type = type;
 102   while (iter_type)
 103     {
 104       /* Check the name of the type.  */
 105       if (TYPE_NAME (iter_type) && textual_name (TYPE_NAME (iter_type)))
 106         return 1;
 107
 108       if (TYPE_CODE (iter_type) != TYPE_CODE_TYPEDEF)
 109         break;
 110
 111       /* Peel a single typedef.  If the typedef doesn't have a target
 112          type, we use check_typedef and hope the result is ok -- it
 113          might be for C++, where wchar_t is a built-in type.  */
 114       if (TYPE_TARGET_TYPE (iter_type))
 115         iter_type = TYPE_TARGET_TYPE (iter_type);
 116       else
 117         iter_type = check_typedef (iter_type);
 118     }
 119
 120   if (format == 's')
 121     {
 122       /* Print this as a string if we can manage it.  For now, no
 123          wide character support.  */
 124       if (TYPE_CODE (true_type) == TYPE_CODE_INT
 125           && TYPE_LENGTH (true_type) == 1)
 126         return 1;
 127     }
 128   else
 129     {
 130       /* If a one-byte TYPE_CODE_INT is missing the not-a-character
 131          flag, then we treat it as text; otherwise, we assume it's
 132          being used as data.  */
 133       if (TYPE_CODE (true_type) == TYPE_CODE_INT
 134           && TYPE_LENGTH (true_type) == 1
 135           && !TYPE_NOTTEXT (true_type))
 136         return 1;
 137     }
 138
 139   return 0;
 140 }
 141
 142
 143 /* Print data of type TYPE located at VALADDR (within GDB), which came from
 144    the inferior at address ADDRESS, onto stdio stream STREAM according to
 145    OPTIONS.  The data at VALADDR is in target byte order.
 146
 147    If the data are a string pointer, returns the number of string characters
 148    printed.  */
 149
 150 int
 151 c_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
 152              CORE_ADDR address, struct ui_file *stream, int recurse,
 153              const struct value_print_options *options)
 154 {
 155   struct gdbarch *gdbarch = get_type_arch (type);
 156   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
 157   unsigned int i = 0;   /* Number of characters printed */
 158   unsigned len;
 159   struct type *elttype, *unresolved_elttype;
 160   struct type *unresolved_type = type;
 161   unsigned eltlen;
 162   LONGEST val;
 163   CORE_ADDR addr;
 164
 165   CHECK_TYPEDEF (type);
 166   switch (TYPE_CODE (type))
 167     {
 168     case TYPE_CODE_ARRAY:
 169       unresolved_elttype = TYPE_TARGET_TYPE (type);
 170       elttype = check_typedef (unresolved_elttype);
 171       if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0)
 172         {
 173           eltlen = TYPE_LENGTH (elttype);
 174           len = TYPE_LENGTH (type) / eltlen;
 175           if (options->prettyprint_arrays)
 176             {
 177               print_spaces_filtered (2 + 2 * recurse, stream);
 178             }
 179
 180           /* Print arrays of textual chars with a string syntax.  */
 181           if (c_textual_element_type (unresolved_elttype, options->format))
 182             {
 183               /* If requested, look for the first null char and only print
 184                  elements up to it.  */
 185               if (options->stop_print_at_null)
 186                 {
 187                   unsigned int temp_len;
 188
 189                   for (temp_len = 0;
 190                        (temp_len < len
 191                         && temp_len < options->print_max
 192                         && extract_unsigned_integer (valaddr + embedded_offset
 193                                                      + temp_len * eltlen,
 194                                                      eltlen, byte_order) == 0);
 195                        ++temp_len)
 196                     ;
 197                   len = temp_len;
 198                 }
 199
 200               LA_PRINT_STRING (stream, unresolved_elttype,
 201                                valaddr + embedded_offset, len, 0, options);
 202               i = len;
 203             }
 204           else
 205             {
 206               fprintf_filtered (stream, "{");
 207               /* If this is a virtual function table, print the 0th
 208                  entry specially, and the rest of the members normally.  */
 209               if (cp_is_vtbl_ptr_type (elttype))
 210                 {
 211                   i = 1;
 212                   fprintf_filtered (stream, _("%d vtable entries"), len - 1);
 213                 }
 214               else
 215                 {
 216                   i = 0;
 217                 }
 218               val_print_array_elements (type, valaddr + embedded_offset, address, stream,
 219                                         recurse, options, i);
 220               fprintf_filtered (stream, "}");
 221             }
 222           break;
 223         }
 224       /* Array of unspecified length: treat like pointer to first elt.  */
 225       addr = address;
 226       goto print_unpacked_pointer;
 227
 228     case TYPE_CODE_MEMBERPTR:
 229       if (options->format)
 230         {
 231           print_scalar_formatted (valaddr + embedded_offset, type,
 232                                   options, 0, stream);
 233           break;
 234         }
 235       cp_print_class_member (valaddr + embedded_offset, type, stream, "&");
 236       break;
 237
 238     case TYPE_CODE_METHODPTR:
 239       cplus_print_method_ptr (valaddr + embedded_offset, type, stream);
 240       break;
 241
 242     case TYPE_CODE_PTR:
 243       if (options->format && options->format != 's')
 244         {
 245           print_scalar_formatted (valaddr + embedded_offset, type,
 246                                   options, 0, stream);
 247           break;
 248         }
 249       if (options->vtblprint && cp_is_vtbl_ptr_type (type))
 250         {
 251           /* Print the unmangled name if desired.  */
 252           /* Print vtable entry - we only get here if we ARE using
 253              -fvtable_thunks.  (Otherwise, look under TYPE_CODE_STRUCT.) */
 254           CORE_ADDR addr
 255             = extract_typed_address (valaddr + embedded_offset, type);
 256           print_function_pointer_address (gdbarch, addr, stream,
 257                                           options->addressprint);
 258           break;
 259         }
 260       unresolved_elttype = TYPE_TARGET_TYPE (type);
 261       elttype = check_typedef (unresolved_elttype);
 262         {
 263           addr = unpack_pointer (type, valaddr + embedded_offset);
 264         print_unpacked_pointer:
 265
 266           if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
 267             {
 268               /* Try to print what function it points to.  */
 269               print_function_pointer_address (gdbarch, addr, stream,
 270                                               options->addressprint);
 271               /* Return value is irrelevant except for string pointers.  */
 272               return (0);
 273             }
 274
 275           if (options->addressprint)
 276             fputs_filtered (paddress (gdbarch, addr), stream);
 277
 278           /* For a pointer to a textual type, also print the string
 279              pointed to, unless pointer is null.  */
 280
 281           if (c_textual_element_type (unresolved_elttype, options->format)
 282               && addr != 0)
 283             {
 284               i = val_print_string (unresolved_elttype, addr, -1, stream,
 285                                     options);
 286             }
 287           else if (cp_is_vtbl_member (type))
 288             {
 289               /* print vtbl's nicely */
 290               CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
 291
 292               struct minimal_symbol *msymbol =
 293               lookup_minimal_symbol_by_pc (vt_address);
 294               if ((msymbol != NULL)
 295                   && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
 296                 {
 297                   fputs_filtered (" <", stream);
 298                   fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream);
 299                   fputs_filtered (">", stream);
 300                 }
 301               if (vt_address && options->vtblprint)
 302                 {
 303                   struct value *vt_val;
 304                   struct symbol *wsym = (struct symbol *) NULL;
 305                   struct type *wtype;
 306                   struct block *block = (struct block *) NULL;
 307                   int is_this_fld;
 308
 309                   if (msymbol != NULL)
 310                     wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), block,
 311                                           VAR_DOMAIN, &is_this_fld);
 312
 313                   if (wsym)
 314                     {
 315                       wtype = SYMBOL_TYPE (wsym);
 316                     }
 317                   else
 318                     {
 319                       wtype = unresolved_elttype;
 320                     }
 321                   vt_val = value_at (wtype, vt_address);
 322                   common_val_print (vt_val, stream, recurse + 1, options,
 323                                     current_language);
 324                   if (options->pretty)
 325                     {
 326                       fprintf_filtered (stream, "\n");
 327                       print_spaces_filtered (2 + 2 * recurse, stream);
 328                     }
 329                 }
 330             }
 331
 332           /* Return number of characters printed, including the terminating
 333              '\0' if we reached the end.  val_print_string takes care including
 334              the terminating '\0' if necessary.  */
 335           return i;
 336         }
 337       break;
 338
 339     case TYPE_CODE_REF:
 340       elttype = check_typedef (TYPE_TARGET_TYPE (type));
 341       if (options->addressprint)
 342         {
 343           CORE_ADDR addr
 344             = extract_typed_address (valaddr + embedded_offset, type);
 345           fprintf_filtered (stream, "@");
 346           fputs_filtered (paddress (gdbarch, addr), stream);
 347           if (options->deref_ref)
 348             fputs_filtered (": ", stream);
 349         }
 350       /* De-reference the reference.  */
 351       if (options->deref_ref)
 352         {
 353           if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
 354             {
 355               struct value *deref_val =
 356               value_at
 357               (TYPE_TARGET_TYPE (type),
 358                unpack_pointer (type, valaddr + embedded_offset));
 359               common_val_print (deref_val, stream, recurse, options,
 360                                 current_language);
 361             }
 362           else
 363             fputs_filtered ("???", stream);
 364         }
 365       break;
 366
 367     case TYPE_CODE_UNION:
 368       if (recurse && !options->unionprint)
 369         {
 370           fprintf_filtered (stream, "{...}");
 371           break;
 372         }
 373       /* Fall through.  */
 374     case TYPE_CODE_STRUCT:
 375       /*FIXME: Abstract this away */
 376       if (options->vtblprint && cp_is_vtbl_ptr_type (type))
 377         {
 378           /* Print the unmangled name if desired.  */
 379           /* Print vtable entry - we only get here if NOT using
 380              -fvtable_thunks.  (Otherwise, look under TYPE_CODE_PTR.) */
 381           int offset = (embedded_offset +
 382                         TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8);
 383           struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET);
 384           CORE_ADDR addr
 385             = extract_typed_address (valaddr + offset, field_type);
 386
 387           print_function_pointer_address (gdbarch, addr, stream,
 388                                           options->addressprint);
 389         }
 390       else
 391         cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream,
 392                                recurse, options, NULL, 0);
 393       break;
 394
 395     case TYPE_CODE_ENUM:
 396       if (options->format)
 397         {
 398           print_scalar_formatted (valaddr + embedded_offset, type,
 399                                   options, 0, stream);
 400           break;
 401         }
 402       len = TYPE_NFIELDS (type);
 403       val = unpack_long (type, valaddr + embedded_offset);
 404       for (i = 0; i < len; i++)
 405         {
 406           QUIT;
 407           if (val == TYPE_FIELD_BITPOS (type, i))
 408             {
 409               break;
 410             }
 411         }
 412       if (i < len)
 413         {
 414           fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
 415         }
 416       else
 417         {
 418           print_longest (stream, 'd', 0, val);
 419         }
 420       break;
 421
 422     case TYPE_CODE_FLAGS:
 423       if (options->format)
 424           print_scalar_formatted (valaddr + embedded_offset, type,
 425                                   options, 0, stream);
 426       else
 427         val_print_type_code_flags (type, valaddr + embedded_offset, stream);
 428       break;
 429
 430     case TYPE_CODE_FUNC:
 431     case TYPE_CODE_METHOD:
 432       if (options->format)
 433         {
 434           print_scalar_formatted (valaddr + embedded_offset, type,
 435                                   options, 0, stream);
 436           break;
 437         }
 438       /* FIXME, we should consider, at least for ANSI C language, eliminating
 439          the distinction made between FUNCs and POINTERs to FUNCs.  */
 440       fprintf_filtered (stream, "{");
 441       type_print (type, "", stream, -1);
 442       fprintf_filtered (stream, "} ");
 443       /* Try to print what function it points to, and its address.  */
 444       print_address_demangle (gdbarch, address, stream, demangle);
 445       break;
 446
 447     case TYPE_CODE_BOOL:
 448       if (options->format || options->output_format)
 449         {
 450           struct value_print_options opts = *options;
 451           opts.format = (options->format ? options->format
 452                          : options->output_format);
 453           print_scalar_formatted (valaddr + embedded_offset, type,
 454                                   &opts, 0, stream);
 455         }
 456       else
 457         {
 458           val = unpack_long (type, valaddr + embedded_offset);
 459           if (val == 0)
 460             fputs_filtered ("false", stream);
 461           else if (val == 1)
 462             fputs_filtered ("true", stream);
 463           else
 464             print_longest (stream, 'd', 0, val);
 465         }
 466       break;
 467
 468     case TYPE_CODE_RANGE:
 469       /* FIXME: create_range_type does not set the unsigned bit in a
 470          range type (I think it probably should copy it from the target
 471          type), so we won't print values which are too large to
 472          fit in a signed integer correctly.  */
 473       /* FIXME: Doesn't handle ranges of enums correctly.  (Can't just
 474          print with the target type, though, because the size of our type
 475          and the target type might differ).  */
 476       /* FALLTHROUGH */
 477
 478     case TYPE_CODE_INT:
 479       if (options->format || options->output_format)
 480         {
 481           struct value_print_options opts = *options;
 482           opts.format = (options->format ? options->format
 483                          : options->output_format);
 484           print_scalar_formatted (valaddr + embedded_offset, type,
 485                                   &opts, 0, stream);
 486         }
 487       else
 488         {
 489           val_print_type_code_int (type, valaddr + embedded_offset, stream);
 490           /* C and C++ has no single byte int type, char is used instead.
 491              Since we don't know whether the value is really intended to
 492              be used as an integer or a character, print the character
 493              equivalent as well.  */
 494           if (c_textual_element_type (unresolved_type, options->format))
 495             {
 496               fputs_filtered (" ", stream);
 497               LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset),
 498                              unresolved_type, stream);
 499             }
 500         }
 501       break;
 502
 503     case TYPE_CODE_CHAR:
 504       if (options->format || options->output_format)
 505         {
 506           struct value_print_options opts = *options;
 507           opts.format = (options->format ? options->format
 508                          : options->output_format);
 509           print_scalar_formatted (valaddr + embedded_offset, type,
 510                                   &opts, 0, stream);
 511         }
 512       else
 513         {
 514           val = unpack_long (type, valaddr + embedded_offset);
 515           if (TYPE_UNSIGNED (type))
 516             fprintf_filtered (stream, "%u", (unsigned int) val);
 517           else
 518             fprintf_filtered (stream, "%d", (int) val);
 519           fputs_filtered (" ", stream);
 520           LA_PRINT_CHAR ((unsigned char) val, unresolved_type, stream);
 521         }
 522       break;
 523
 524     case TYPE_CODE_FLT:
 525       if (options->format)
 526         {
 527           print_scalar_formatted (valaddr + embedded_offset, type,
 528                                   options, 0, stream);
 529         }
 530       else
 531         {
 532           print_floating (valaddr + embedded_offset, type, stream);
 533         }
 534       break;
 535
 536     case TYPE_CODE_DECFLOAT:
 537       if (options->format)
 538         print_scalar_formatted (valaddr + embedded_offset, type,
 539                                 options, 0, stream);
 540       else
 541         print_decimal_floating (valaddr + embedded_offset, type, stream);
 542       break;
 543
 544     case TYPE_CODE_VOID:
 545       fprintf_filtered (stream, "void");
 546       break;
 547
 548     case TYPE_CODE_ERROR:
 549       fprintf_filtered (stream, _("<error type>"));
 550       break;
 551
 552     case TYPE_CODE_UNDEF:
 553       /* This happens (without TYPE_FLAG_STUB set) on systems which don't use
 554          dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
 555          and no complete type for struct foo in that file.  */
 556       fprintf_filtered (stream, _("<incomplete type>"));
 557       break;
 558
 559     case TYPE_CODE_COMPLEX:
 560       if (options->format)
 561         print_scalar_formatted (valaddr + embedded_offset,
 562                                 TYPE_TARGET_TYPE (type),
 563                                 options, 0, stream);
 564       else
 565         print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type),
 566                         stream);
 567       fprintf_filtered (stream, " + ");
 568       if (options->format)
 569         print_scalar_formatted (valaddr + embedded_offset
 570                                 + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
 571                                 TYPE_TARGET_TYPE (type),
 572                                 options, 0, stream);
 573       else
 574         print_floating (valaddr + embedded_offset
 575                         + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
 576                         TYPE_TARGET_TYPE (type),
 577                         stream);
 578       fprintf_filtered (stream, " * I");
 579       break;
 580
 581     default:
 582       error (_("Invalid C/C++ type code %d in symbol table."), TYPE_CODE (type));
 583     }
 584   gdb_flush (stream);
 585   return (0);
 586 }
 587 \f
 588 int
 589 c_value_print (struct value *val, struct ui_file *stream,
 590                const struct value_print_options *options)
 591 {
 592   struct type *type, *real_type, *val_type;
 593   int full, top, using_enc;
 594   struct value_print_options opts = *options;
 595
 596   opts.deref_ref = 1;
 597
 598   /* If it is a pointer, indicate what it points to.
 599
 600      Print type also if it is a reference.
 601
 602      C++: if it is a member pointer, we will take care
 603      of that when we print it.  */
 604
 605   /* Preserve the original type before stripping typedefs.  We prefer
 606      to pass down the original type when possible, but for local
 607      checks it is better to look past the typedefs.  */
 608   val_type = value_type (val);
 609   type = check_typedef (val_type);
 610
 611   if (TYPE_CODE (type) == TYPE_CODE_PTR
 612       || TYPE_CODE (type) == TYPE_CODE_REF)
 613     {
 614       /* Hack:  remove (char *) for char strings.  Their
 615          type is indicated by the quoted string anyway.
 616          (Don't use c_textual_element_type here; quoted strings
 617          are always exactly (char *), (wchar_t *), or the like.  */
 618       if (TYPE_CODE (val_type) == TYPE_CODE_PTR
 619           && TYPE_NAME (val_type) == NULL
 620           && TYPE_NAME (TYPE_TARGET_TYPE (val_type)) != NULL
 621           && (strcmp (TYPE_NAME (TYPE_TARGET_TYPE (val_type)), "char") == 0
 622               || textual_name (TYPE_NAME (TYPE_TARGET_TYPE (val_type)))))
 623         {
 624           /* Print nothing */
 625         }
 626       else if (options->objectprint
 627                && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS))
 628         {
 629
 630           if (TYPE_CODE(type) == TYPE_CODE_REF)
 631             {
 632               /* Copy value, change to pointer, so we don't get an
 633                * error about a non-pointer type in value_rtti_target_type
 634                */
 635               struct value *temparg;
 636               temparg=value_copy(val);
 637               deprecated_set_value_type (temparg, lookup_pointer_type (TYPE_TARGET_TYPE(type)));
 638               val=temparg;
 639             }
 640           /* Pointer to class, check real type of object */
 641           fprintf_filtered (stream, "(");
 642           real_type = value_rtti_target_type (val, &full, &top, &using_enc);
 643           if (real_type)
 644             {
 645               /* RTTI entry found */
 646               if (TYPE_CODE (type) == TYPE_CODE_PTR)
 647                 {
 648                   /* create a pointer type pointing to the real type */
 649                   type = lookup_pointer_type (real_type);
 650                 }
 651               else
 652                 {
 653                   /* create a reference type referencing the real type */
 654                   type = lookup_reference_type (real_type);
 655                 }
 656               /* JYG: Need to adjust pointer value. */
 657               /* NOTE: cagney/2005-01-02: THIS IS BOGUS.  */
 658               value_contents_writeable (val)[0] -= top;
 659
 660               /* Note: When we look up RTTI entries, we don't get any
 661                  information on const or volatile attributes */
 662             }
 663           type_print (type, "", stream, -1);
 664           fprintf_filtered (stream, ") ");
 665           val_type = type;
 666         }
 667       else
 668         {
 669           /* normal case */
 670           fprintf_filtered (stream, "(");
 671           type_print (value_type (val), "", stream, -1);
 672           fprintf_filtered (stream, ") ");
 673         }
 674     }
 675
 676   if (!value_initialized (val))
 677     fprintf_filtered (stream, " [uninitialized] ");
 678
 679   if (options->objectprint && (TYPE_CODE (type) == TYPE_CODE_CLASS))
 680     {
 681       /* Attempt to determine real type of object */
 682       real_type = value_rtti_type (val, &full, &top, &using_enc);
 683       if (real_type)
 684         {
 685           /* We have RTTI information, so use it */
 686           val = value_full_object (val, real_type, full, top, using_enc);
 687           fprintf_filtered (stream, "(%s%s) ",
 688                             TYPE_NAME (real_type),
 689                             full ? "" : _(" [incomplete object]"));
 690           /* Print out object: enclosing type is same as real_type if full */
 691           return val_print (value_enclosing_type (val),
 692                             value_contents_all (val), 0,
 693                             value_address (val), stream, 0,
 694                             &opts, current_language);
 695           /* Note: When we look up RTTI entries, we don't get any information on
 696              const or volatile attributes */
 697         }
 698       else if (type != check_typedef (value_enclosing_type (val)))
 699         {
 700           /* No RTTI information, so let's do our best */
 701           fprintf_filtered (stream, "(%s ?) ",
 702                             TYPE_NAME (value_enclosing_type (val)));
 703           return val_print (value_enclosing_type (val),
 704                             value_contents_all (val), 0,
 705                             value_address (val), stream, 0,
 706                             &opts, current_language);
 707         }
 708       /* Otherwise, we end up at the return outside this "if" */
 709     }
 710
 711   return val_print (val_type, value_contents_all (val),
 712                     value_embedded_offset (val),
 713                     value_address (val),
 714                     stream, 0, &opts, current_language);
 715 }