gdb/partial-stab.h

   1 /* Shared code to pre-read a stab (dbx-style), when building a psymtab.
   2    Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GDB.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 /* The following need to be defined:
  22    SET_NAMESTRING() --Set namestring to name of symbol.
  23    CUR_SYMBOL_TYPE --Type code of current symbol.
  24    CUR_SYMBOL_VALUE --Value field of current symbol.  May be adjusted here.
  25  */
  26
  27 /* End of macro definitions, now let's handle them symbols!  */
  28
  29       switch (CUR_SYMBOL_TYPE)
  30         {
  31           char *p;
  32           /*
  33            * Standard, external, non-debugger, symbols
  34            */
  35
  36         case N_TEXT | N_EXT:
  37         case N_NBTEXT | N_EXT:
  38           CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
  39           goto record_it;
  40
  41         case N_DATA | N_EXT:
  42         case N_NBDATA | N_EXT:
  43           CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
  44           goto record_it;
  45
  46         case N_BSS | N_EXT:
  47         case N_NBBSS | N_EXT:
  48         case N_SETV | N_EXT:            /* FIXME, is this in BSS? */
  49           CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_BSS);
  50           goto record_it;
  51
  52         case N_ABS | N_EXT:
  53         record_it:
  54 #ifdef DBXREAD_ONLY
  55           SET_NAMESTRING();
  56
  57         bss_ext_symbol:
  58           record_minimal_symbol (namestring, CUR_SYMBOL_VALUE,
  59                                  CUR_SYMBOL_TYPE, objfile); /* Always */
  60 #endif /* DBXREAD_ONLY */
  61           continue;
  62
  63           /* Standard, local, non-debugger, symbols */
  64
  65         case N_NBTEXT:
  66
  67           /* We need to be able to deal with both N_FN or N_TEXT,
  68              because we have no way of knowing whether the sys-supplied ld
  69              or GNU ld was used to make the executable.  Sequents throw
  70              in another wrinkle -- they renumbered N_FN.  */
  71
  72         case N_FN:
  73         case N_FN_SEQ:
  74         case N_TEXT:
  75 #ifdef DBXREAD_ONLY
  76           CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
  77           SET_NAMESTRING();
  78           if ((namestring[0] == '-' && namestring[1] == 'l')
  79               || (namestring [(nsl = strlen (namestring)) - 1] == 'o'
  80                   && namestring [nsl - 2] == '.')
  81 #ifdef GDB_TARGET_IS_HPPA
  82               /* some cooperation from gcc to get around ld stupidity */
  83               || (namestring[0] == 'e' && STREQ (namestring, "end_file."))
  84 #endif
  85               )
  86             {
  87 #ifndef GDB_TARGET_IS_HPPA
  88               if (objfile -> ei.entry_point <  CUR_SYMBOL_VALUE &&
  89                   objfile -> ei.entry_point >= last_o_file_start)
  90                 {
  91                   objfile -> ei.entry_file_lowpc = last_o_file_start;
  92                   objfile -> ei.entry_file_highpc = CUR_SYMBOL_VALUE;
  93                 }
  94 #endif
  95               if (past_first_source_file && pst
  96                   /* The gould NP1 uses low values for .o and -l symbols
  97                      which are not the address.  */
  98                   && CUR_SYMBOL_VALUE >= pst->textlow)
  99                 {
 100                   END_PSYMTAB (pst, psymtab_include_list, includes_used,
 101                                symnum * symbol_size, CUR_SYMBOL_VALUE,
 102                                dependency_list, dependencies_used);
 103                   pst = (struct partial_symtab *) 0;
 104                   includes_used = 0;
 105                   dependencies_used = 0;
 106                 }
 107               else
 108                 past_first_source_file = 1;
 109               last_o_file_start = CUR_SYMBOL_VALUE;
 110             }
 111 #endif /* DBXREAD_ONLY */
 112           continue;
 113
 114         case N_DATA:
 115 #ifdef DBXREAD_ONLY
 116           CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
 117           SET_NAMESTRING ();
 118           /* Check for __DYNAMIC, which is used by Sun shared libraries.
 119              Record it even if it's local, not global, so we can find it.
 120              FIXME:  this might want to check for _DYNAMIC and the current
 121                      symbol_leading_char.  */
 122           if (namestring[8] == 'C' && STREQ ("__DYNAMIC", namestring))
 123             goto record_it;
 124
 125           /* Same with virtual function tables, both global and static.  */
 126           {
 127             char *tempstring = namestring;
 128             if (tempstring[0] == bfd_get_symbol_leading_char (objfile->obfd))
 129               tempstring++;
 130             if (VTBL_PREFIX_P ((tempstring)))
 131               goto record_it;
 132           }
 133 #endif /* DBXREAD_ONLY */
 134           continue;
 135
 136         case N_UNDF | N_EXT:
 137 #ifdef DBXREAD_ONLY
 138           if (CUR_SYMBOL_VALUE != 0) {
 139             /* This is a "Fortran COMMON" symbol.  See if the target
 140                environment knows where it has been relocated to.  */
 141
 142             CORE_ADDR reladdr;
 143
 144             SET_NAMESTRING();
 145             if (target_lookup_symbol (namestring, &reladdr)) {
 146               continue;         /* Error in lookup; ignore symbol for now.  */
 147             }
 148             CUR_SYMBOL_TYPE ^= (N_BSS^N_UNDF);  /* Define it as a bss-symbol */
 149             CUR_SYMBOL_VALUE = reladdr;
 150             goto bss_ext_symbol;
 151           }
 152 #endif /* DBXREAD_ONLY */
 153           continue;     /* Just undefined, not COMMON */
 154
 155         case N_UNDF:
 156 #ifdef DBXREAD_ONLY
 157           if (processing_acc_compilation && bufp->n_strx == 1) {
 158             /* Deal with relative offsets in the string table
 159                used in ELF+STAB under Solaris.  If we want to use the
 160                n_strx field, which contains the name of the file,
 161                we must adjust file_string_table_offset *before* calling
 162                SET_NAMESTRING().  */
 163             past_first_source_file = 1;
 164             file_string_table_offset = next_file_string_table_offset;
 165             next_file_string_table_offset =
 166               file_string_table_offset + bufp->n_value;
 167             if (next_file_string_table_offset < file_string_table_offset)
 168               error ("string table offset backs up at %d", symnum);
 169   /* FIXME -- replace error() with complaint.  */
 170             continue;
 171           }
 172 #endif /* DBXREAD_ONLY */
 173           continue;
 174
 175             /* Lots of symbol types we can just ignore.  */
 176
 177         case N_ABS:
 178         case N_BSS:
 179         case N_NBDATA:
 180         case N_NBBSS:
 181           continue;
 182
 183           /* Keep going . . .*/
 184
 185           /*
 186            * Special symbol types for GNU
 187            */
 188         case N_INDR:
 189         case N_INDR | N_EXT:
 190         case N_SETA:
 191         case N_SETA | N_EXT:
 192         case N_SETT:
 193         case N_SETT | N_EXT:
 194         case N_SETD:
 195         case N_SETD | N_EXT:
 196         case N_SETB:
 197         case N_SETB | N_EXT:
 198         case N_SETV:
 199           continue;
 200
 201           /*
 202            * Debugger symbols
 203            */
 204
 205         case N_SO: {
 206           unsigned long valu = CUR_SYMBOL_VALUE;
 207           static int prev_so_symnum = -10;
 208           static int first_so_symnum;
 209           char *p;
 210
 211           past_first_source_file = 1;
 212
 213           if (prev_so_symnum != symnum - 1)
 214             {                   /* Here if prev stab wasn't N_SO */
 215               first_so_symnum = symnum;
 216
 217               if (pst)
 218                 {
 219                   END_PSYMTAB (pst, psymtab_include_list, includes_used,
 220                                symnum * symbol_size, valu,
 221                                dependency_list, dependencies_used);
 222                   pst = (struct partial_symtab *) 0;
 223                   includes_used = 0;
 224                   dependencies_used = 0;
 225                 }
 226             }
 227
 228           prev_so_symnum = symnum;
 229
 230           /* End the current partial symtab and start a new one */
 231
 232           SET_NAMESTRING();
 233
 234           valu += ANOFFSET (section_offsets, SECT_OFF_TEXT);
 235
 236           /* Some compilers (including gcc) emit a pair of initial N_SOs.
 237              The first one is a directory name; the second the file name.
 238              If pst exists, is empty, and has a filename ending in '/',
 239              we assume the previous N_SO was a directory name. */
 240
 241           p = strrchr (namestring, '/');
 242           if (p && *(p+1) == '\000')
 243             continue;           /* Simply ignore directory name SOs */
 244
 245           /* Some other compilers (C++ ones in particular) emit useless
 246              SOs for non-existant .c files.  We ignore all subsequent SOs that
 247              immediately follow the first.  */
 248
 249           if (!pst)
 250             pst = START_PSYMTAB (objfile, section_offsets,
 251                                  namestring, valu,
 252                                  first_so_symnum * symbol_size,
 253                                  objfile -> global_psymbols.next,
 254                                  objfile -> static_psymbols.next);
 255           continue;
 256         }
 257
 258         case N_BINCL:
 259 #ifdef DBXREAD_ONLY
 260           /* Add this bincl to the bincl_list for future EXCLs.  No
 261              need to save the string; it'll be around until
 262              read_dbx_symtab function returns */
 263
 264           SET_NAMESTRING();
 265
 266           add_bincl_to_list (pst, namestring, CUR_SYMBOL_VALUE);
 267
 268           /* Mark down an include file in the current psymtab */
 269
 270           goto record_include_file;
 271
 272 #else /* DBXREAD_ONLY */
 273           continue;
 274 #endif
 275
 276         case N_SOL:
 277           /* Mark down an include file in the current psymtab */
 278
 279           SET_NAMESTRING();
 280
 281           /* In C++, one may expect the same filename to come round many
 282              times, when code is coming alternately from the main file
 283              and from inline functions in other files. So I check to see
 284              if this is a file we've seen before -- either the main
 285              source file, or a previously included file.
 286
 287              This seems to be a lot of time to be spending on N_SOL, but
 288              things like "break c-exp.y:435" need to work (I
 289              suppose the psymtab_include_list could be hashed or put
 290              in a binary tree, if profiling shows this is a major hog).  */
 291           if (pst && STREQ (namestring, pst->filename))
 292             continue;
 293           {
 294             register int i;
 295             for (i = 0; i < includes_used; i++)
 296               if (STREQ (namestring, psymtab_include_list[i]))
 297                 {
 298                   i = -1;
 299                   break;
 300                 }
 301             if (i == -1)
 302               continue;
 303           }
 304
 305         record_include_file:
 306
 307           psymtab_include_list[includes_used++] = namestring;
 308           if (includes_used >= includes_allocated)
 309             {
 310               char **orig = psymtab_include_list;
 311
 312               psymtab_include_list = (char **)
 313                 alloca ((includes_allocated *= 2) *
 314                         sizeof (char *));
 315               memcpy ((PTR)psymtab_include_list, (PTR)orig,
 316                       includes_used * sizeof (char *));
 317             }
 318           continue;
 319
 320         case N_LSYM:            /* Typedef or automatic variable. */
 321         case N_STSYM:           /* Data seg var -- static  */
 322         case N_LCSYM:           /* BSS      "  */
 323         case N_ROSYM:           /* Read-only data seg var -- static.  */
 324         case N_NBSTS:           /* Gould nobase.  */
 325         case N_NBLCS:           /* symbols.  */
 326
 327           SET_NAMESTRING();
 328
 329           p = (char *) strchr (namestring, ':');
 330
 331           /* Skip if there is no :.  */
 332           if (!p) continue;
 333
 334           switch (p[1])
 335             {
 336             case 'T':
 337               if (p != namestring)      /* a name is there, not just :T... */
 338                 {
 339                   ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 340                                        STRUCT_NAMESPACE, LOC_TYPEDEF,
 341                                        objfile->static_psymbols,
 342                                        CUR_SYMBOL_VALUE,
 343                                        psymtab_language, objfile);
 344                   if (p[2] == 't')
 345                     {
 346                       /* Also a typedef with the same name.  */
 347                       ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 348                                            VAR_NAMESPACE, LOC_TYPEDEF,
 349                                            objfile->static_psymbols,
 350                                            CUR_SYMBOL_VALUE, psymtab_language,
 351                                            objfile);
 352                       p += 1;
 353                     }
 354                 }
 355               goto check_enum;
 356             case 't':
 357               if (p != namestring)      /* a name is there, not just :T... */
 358                 {
 359                   ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 360                                        VAR_NAMESPACE, LOC_TYPEDEF,
 361                                        objfile->static_psymbols,
 362                                        CUR_SYMBOL_VALUE,
 363                                        psymtab_language, objfile);
 364                 }
 365             check_enum:
 366               /* If this is an enumerated type, we need to
 367                  add all the enum constants to the partial symbol
 368                  table.  This does not cover enums without names, e.g.
 369                  "enum {a, b} c;" in C, but fortunately those are
 370                  rare.  There is no way for GDB to find those from the
 371                  enum type without spending too much time on it.  Thus
 372                  to solve this problem, the compiler needs to put out separate
 373                  constant symbols ('c' N_LSYMS) for enum constants in
 374                  enums without names, or put out a dummy type.  */
 375
 376               /* We are looking for something of the form
 377                  <name> ":" ("t" | "T") [<number> "="] "e"
 378                  {<constant> ":" <value> ","} ";".  */
 379
 380               /* Skip over the colon and the 't' or 'T'.  */
 381               p += 2;
 382               /* This type may be given a number.  Also, numbers can come
 383                  in pairs like (0,26).  Skip over it.  */
 384               while ((*p >= '0' && *p <= '9')
 385                      || *p == '(' || *p == ',' || *p == ')'
 386                      || *p == '=')
 387                 p++;
 388
 389               if (*p++ == 'e')
 390                 {
 391                   /* We have found an enumerated type.  */
 392                   /* According to comments in read_enum_type
 393                      a comma could end it instead of a semicolon.
 394                      I don't know where that happens.
 395                      Accept either.  */
 396                   while (*p && *p != ';' && *p != ',')
 397                     {
 398                       char *q;
 399
 400                       /* Check for and handle cretinous dbx symbol name
 401                          continuation!  */
 402                       if (*p == '\\')
 403                         p = next_symbol_text ();
 404
 405                       /* Point to the character after the name
 406                          of the enum constant.  */
 407                       for (q = p; *q && *q != ':'; q++)
 408                         ;
 409                       /* Note that the value doesn't matter for
 410                          enum constants in psymtabs, just in symtabs.  */
 411                       ADD_PSYMBOL_TO_LIST (p, q - p,
 412                                            VAR_NAMESPACE, LOC_CONST,
 413                                            objfile->static_psymbols, 0,
 414                                            psymtab_language, objfile);
 415                       /* Point past the name.  */
 416                       p = q;
 417                       /* Skip over the value.  */
 418                       while (*p && *p != ',')
 419                         p++;
 420                       /* Advance past the comma.  */
 421                       if (*p)
 422                         p++;
 423                     }
 424                 }
 425               continue;
 426             case 'c':
 427               /* Constant, e.g. from "const" in Pascal.  */
 428               ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 429                                    VAR_NAMESPACE, LOC_CONST,
 430                                    objfile->static_psymbols, CUR_SYMBOL_VALUE,
 431                                    psymtab_language, objfile);
 432               continue;
 433             default:
 434               /* Skip if the thing following the : is
 435                  not a letter (which indicates declaration of a local
 436                  variable, which we aren't interested in).  */
 437               continue;
 438             }
 439
 440         case N_FUN:
 441         case N_GSYM:            /* Global (extern) variable; can be
 442                                    data or bss (sigh FIXME).  */
 443
 444         /* Following may probably be ignored; I'll leave them here
 445            for now (until I do Pascal and Modula 2 extensions).  */
 446
 447         case N_PC:              /* I may or may not need this; I
 448                                    suspect not.  */
 449         case N_M2C:             /* I suspect that I can ignore this here. */
 450         case N_SCOPE:           /* Same.   */
 451
 452           SET_NAMESTRING();
 453
 454           p = (char *) strchr (namestring, ':');
 455           if (!p)
 456             continue;           /* Not a debugging symbol.   */
 457
 458
 459
 460           /* Main processing section for debugging symbols which
 461              the initial read through the symbol tables needs to worry
 462              about.  If we reach this point, the symbol which we are
 463              considering is definitely one we are interested in.
 464              p must also contain the (valid) index into the namestring
 465              which indicates the debugging type symbol.  */
 466
 467           switch (p[1])
 468             {
 469             case 'c':
 470               ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 471                                    VAR_NAMESPACE, LOC_CONST,
 472                                    objfile->static_psymbols, CUR_SYMBOL_VALUE,
 473                                    psymtab_language, objfile);
 474               continue;
 475             case 'S':
 476               CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
 477               ADD_PSYMBOL_ADDR_TO_LIST (namestring, p - namestring,
 478                                         VAR_NAMESPACE, LOC_STATIC,
 479                                         objfile->static_psymbols,
 480                                         CUR_SYMBOL_VALUE,
 481                                         psymtab_language, objfile);
 482               continue;
 483             case 'G':
 484               CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
 485               /* The addresses in these entries are reported to be
 486                  wrong.  See the code that reads 'G's for symtabs. */
 487               ADD_PSYMBOL_ADDR_TO_LIST (namestring, p - namestring,
 488                                         VAR_NAMESPACE, LOC_STATIC,
 489                                         objfile->global_psymbols,
 490                                         CUR_SYMBOL_VALUE,
 491                                         psymtab_language, objfile);
 492               continue;
 493
 494             case 't':
 495               ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 496                                    VAR_NAMESPACE, LOC_TYPEDEF,
 497                                    objfile->static_psymbols, CUR_SYMBOL_VALUE,
 498                                    psymtab_language, objfile);
 499               continue;
 500
 501             case 'f':
 502 #ifdef DBXREAD_ONLY
 503               /* Kludges for ELF/STABS with Sun ACC */
 504               last_function_name = namestring;
 505               if (pst && pst->textlow == 0)
 506                 pst->textlow = CUR_SYMBOL_VALUE;
 507 #if 0
 508               if (startup_file_end == 0)
 509                 startup_file_end = CUR_SYMBOL_VALUE;
 510 #endif
 511               /* End kludge.  */
 512 #endif /* DBXREAD_ONLY */
 513               ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 514                                    VAR_NAMESPACE, LOC_BLOCK,
 515                                    objfile->static_psymbols, CUR_SYMBOL_VALUE,
 516                                    psymtab_language, objfile);
 517               continue;
 518
 519               /* Global functions were ignored here, but now they
 520                  are put into the global psymtab like one would expect.
 521                  They're also in the minimal symbol table.  */
 522             case 'F':
 523 #ifdef DBXREAD_ONLY
 524               /* Kludges for ELF/STABS with Sun ACC */
 525               last_function_name = namestring;
 526               if (pst && pst->textlow == 0)
 527                 pst->textlow = CUR_SYMBOL_VALUE;
 528 #if 0
 529               if (startup_file_end == 0)
 530                 startup_file_end = CUR_SYMBOL_VALUE;
 531 #endif
 532               /* End kludge.  */
 533 #endif /* DBXREAD_ONLY */
 534               ADD_PSYMBOL_TO_LIST (namestring, p - namestring,
 535                                    VAR_NAMESPACE, LOC_BLOCK,
 536                                    objfile->global_psymbols, CUR_SYMBOL_VALUE,
 537                                    psymtab_language, objfile);
 538               continue;
 539
 540               /* Two things show up here (hopefully); static symbols of
 541                  local scope (static used inside braces) or extensions
 542                  of structure symbols.  We can ignore both.  */
 543             case 'V':
 544             case '(':
 545             case '0':
 546             case '1':
 547             case '2':
 548             case '3':
 549             case '4':
 550             case '5':
 551             case '6':
 552             case '7':
 553             case '8':
 554             case '9':
 555               continue;
 556
 557             default:
 558               /* Unexpected symbol.  Ignore it; perhaps it is an extension
 559                  that we don't know about.
 560
 561                  Someone says sun cc puts out symbols like
 562                  /foo/baz/maclib::/usr/local/bin/maclib,
 563                  which would get here with a symbol type of ':'.  */
 564               complain (&unknown_symchar_complaint, p[1]);
 565               continue;
 566             }
 567
 568         case N_EXCL:
 569 #ifdef DBXREAD_ONLY
 570
 571           SET_NAMESTRING();
 572
 573           /* Find the corresponding bincl and mark that psymtab on the
 574              psymtab dependency list */
 575           {
 576             struct partial_symtab *needed_pst =
 577               find_corresponding_bincl_psymtab (namestring, CUR_SYMBOL_VALUE);
 578
 579             /* If this include file was defined earlier in this file,
 580                leave it alone.  */
 581             if (needed_pst == pst) continue;
 582
 583             if (needed_pst)
 584               {
 585                 int i;
 586                 int found = 0;
 587
 588                 for (i = 0; i < dependencies_used; i++)
 589                   if (dependency_list[i] == needed_pst)
 590                     {
 591                       found = 1;
 592                       break;
 593                     }
 594
 595                 /* If it's already in the list, skip the rest.  */
 596                 if (found) continue;
 597
 598                 dependency_list[dependencies_used++] = needed_pst;
 599                 if (dependencies_used >= dependencies_allocated)
 600                   {
 601                     struct partial_symtab **orig = dependency_list;
 602                     dependency_list =
 603                       (struct partial_symtab **)
 604                         alloca ((dependencies_allocated *= 2)
 605                                 * sizeof (struct partial_symtab *));
 606                     memcpy ((PTR)dependency_list, (PTR)orig,
 607                            (dependencies_used
 608                             * sizeof (struct partial_symtab *)));
 609 #ifdef DEBUG_INFO
 610                     fprintf (stderr, "Had to reallocate dependency list.\n");
 611                     fprintf (stderr, "New dependencies allocated: %d\n",
 612                              dependencies_allocated);
 613 #endif
 614                   }
 615               }
 616             else
 617               error ("Invalid symbol data: \"repeated\" header file not previously seen, at symtab pos %d.",
 618                      symnum);
 619           }
 620 #endif /* DBXREAD_ONLY */
 621           continue;
 622
 623         case N_RBRAC:
 624 #ifdef HANDLE_RBRAC
 625           HANDLE_RBRAC(CUR_SYMBOL_VALUE);
 626           continue;
 627 #endif
 628         case N_EINCL:
 629         case N_DSLINE:
 630         case N_BSLINE:
 631         case N_SSYM:            /* Claim: Structure or union element.
 632                                    Hopefully, I can ignore this.  */
 633         case N_ENTRY:           /* Alternate entry point; can ignore. */
 634         case N_MAIN:            /* Can definitely ignore this.   */
 635         case N_CATCH:           /* These are GNU C++ extensions */
 636         case N_EHDECL:          /* that can safely be ignored here. */
 637         case N_LENG:
 638         case N_BCOMM:
 639         case N_ECOMM:
 640         case N_ECOML:
 641         case N_FNAME:
 642         case N_SLINE:
 643         case N_RSYM:
 644         case N_PSYM:
 645         case N_LBRAC:
 646         case N_NSYMS:           /* Ultrix 4.0: symbol count */
 647         case N_DEFD:            /* GNU Modula-2 */
 648
 649         case N_OBJ:             /* useless types from Solaris */
 650         case N_OPT:
 651         case N_ENDM:
 652           /* These symbols aren't interesting; don't worry about them */
 653
 654           continue;
 655
 656         default:
 657           /* If we haven't found it yet, ignore it.  It's probably some
 658              new type we don't know about yet.  */
 659           complain (&unknown_symtype_complaint,
 660                     local_hex_string (CUR_SYMBOL_TYPE));
 661           continue;
 662         }