gas/config/obj-aout.c

   1 /* a.out object file format
   2    Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GAS, the GNU Assembler.
   6
   7 GAS is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as
   9 published by the Free Software Foundation; either version 2,
  10 or (at your option) any later version.
  11
  12 GAS is distributed in the hope that it will be useful, but
  13 WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  15 the GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GAS; see the file COPYING.  If not, write to the Free
  19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.  */
  21
  22 #define OBJ_HEADER "obj-aout.h"
  23
  24 #include "as.h"
  25 #ifdef BFD_ASSEMBLER
  26 #undef NO_RELOC
  27 #include "aout/aout64.h"
  28 #endif
  29 #include "obstack.h"
  30
  31 #ifndef BFD_ASSEMBLER
  32 /* in: segT   out: N_TYPE bits */
  33 const short seg_N_TYPE[] =
  34 {
  35   N_ABS,
  36   N_TEXT,
  37   N_DATA,
  38   N_BSS,
  39   N_UNDF,                       /* unknown */
  40   N_UNDF,                       /* error */
  41   N_UNDF,                       /* expression */
  42   N_UNDF,                       /* debug */
  43   N_UNDF,                       /* ntv */
  44   N_UNDF,                       /* ptv */
  45   N_REGISTER,                   /* register */
  46 };
  47
  48 const segT N_TYPE_seg[N_TYPE + 2] =
  49 {                               /* N_TYPE == 0x1E = 32-2 */
  50   SEG_UNKNOWN,                  /* N_UNDF == 0 */
  51   SEG_GOOF,
  52   SEG_ABSOLUTE,                 /* N_ABS == 2 */
  53   SEG_GOOF,
  54   SEG_TEXT,                     /* N_TEXT == 4 */
  55   SEG_GOOF,
  56   SEG_DATA,                     /* N_DATA == 6 */
  57   SEG_GOOF,
  58   SEG_BSS,                      /* N_BSS == 8 */
  59   SEG_GOOF,
  60   SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF,
  61   SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF,
  62   SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF,
  63   SEG_REGISTER,                 /* dummy N_REGISTER for regs = 30 */
  64   SEG_GOOF,
  65 };
  66 #endif
  67
  68 static void obj_aout_line PARAMS ((int));
  69 static void obj_aout_weak PARAMS ((int));
  70 static void obj_aout_type PARAMS ((int));
  71
  72 const pseudo_typeS aout_pseudo_table[] =
  73 {
  74   {"line", obj_aout_line, 0},   /* source code line number */
  75   {"ln", obj_aout_line, 0},     /* coff line number that we use anyway */
  76
  77   {"weak", obj_aout_weak, 0},   /* mark symbol as weak.  */
  78
  79   {"type", obj_aout_type, 0},
  80
  81   /* coff debug pseudos (ignored) */
  82   {"def", s_ignore, 0},
  83   {"dim", s_ignore, 0},
  84   {"endef", s_ignore, 0},
  85   {"ident", s_ignore, 0},
  86   {"line", s_ignore, 0},
  87   {"ln", s_ignore, 0},
  88   {"scl", s_ignore, 0},
  89   {"size", s_ignore, 0},
  90   {"tag", s_ignore, 0},
  91   {"val", s_ignore, 0},
  92   {"version", s_ignore, 0},
  93
  94   {"optim", s_ignore, 0},       /* For sun386i cc (?) */
  95
  96   /* other stuff */
  97   {"ABORT", s_abort, 0},
  98
  99   {NULL, NULL, 0}               /* end sentinel */
 100 };                              /* aout_pseudo_table */
 101
 102 #ifdef BFD_ASSEMBLER
 103
 104 void
 105 obj_aout_frob_symbol (sym, punt)
 106      symbolS *sym;
 107      int *punt ATTRIBUTE_UNUSED;
 108 {
 109   flagword flags;
 110   asection *sec;
 111   int desc, type, other;
 112
 113   flags = symbol_get_bfdsym (sym)->flags;
 114   desc = aout_symbol (symbol_get_bfdsym (sym))->desc;
 115   type = aout_symbol (symbol_get_bfdsym (sym))->type;
 116   other = aout_symbol (symbol_get_bfdsym (sym))->other;
 117   sec = S_GET_SEGMENT (sym);
 118
 119   /* Only frob simple symbols this way right now.  */
 120   if (! (type & ~ (N_TYPE | N_EXT)))
 121     {
 122       if (type == (N_UNDF | N_EXT)
 123           && sec == &bfd_abs_section)
 124         {
 125           sec = bfd_und_section_ptr;
 126           S_SET_SEGMENT (sym, sec);
 127         }
 128
 129       if ((type & N_TYPE) != N_INDR
 130           && (type & N_TYPE) != N_SETA
 131           && (type & N_TYPE) != N_SETT
 132           && (type & N_TYPE) != N_SETD
 133           && (type & N_TYPE) != N_SETB
 134           && type != N_WARNING
 135           && (sec == &bfd_abs_section
 136               || sec == &bfd_und_section))
 137         return;
 138       if (flags & BSF_EXPORT)
 139         type |= N_EXT;
 140
 141       switch (type & N_TYPE)
 142         {
 143         case N_SETA:
 144         case N_SETT:
 145         case N_SETD:
 146         case N_SETB:
 147           /* Set the debugging flag for constructor symbols so that
 148              BFD leaves them alone.  */
 149           symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
 150
 151           /* You can't put a common symbol in a set.  The way a set
 152              element works is that the symbol has a definition and a
 153              name, and the linker adds the definition to the set of
 154              that name.  That does not work for a common symbol,
 155              because the linker can't tell which common symbol the
 156              user means.  FIXME: Using as_bad here may be
 157              inappropriate, since the user may want to force a
 158              particular type without regard to the semantics of sets;
 159              on the other hand, we certainly don't want anybody to be
 160              mislead into thinking that their code will work.  */
 161           if (S_IS_COMMON (sym))
 162             as_bad (_("Attempt to put a common symbol into set %s"),
 163                     S_GET_NAME (sym));
 164           /* Similarly, you can't put an undefined symbol in a set.  */
 165           else if (! S_IS_DEFINED (sym))
 166             as_bad (_("Attempt to put an undefined symbol into set %s"),
 167                     S_GET_NAME (sym));
 168
 169           break;
 170         case N_INDR:
 171           /* Put indirect symbols in the indirect section.  */
 172           S_SET_SEGMENT (sym, bfd_ind_section_ptr);
 173           symbol_get_bfdsym (sym)->flags |= BSF_INDIRECT;
 174           if (type & N_EXT)
 175             {
 176               symbol_get_bfdsym (sym)->flags |= BSF_EXPORT;
 177               symbol_get_bfdsym (sym)->flags &=~ BSF_LOCAL;
 178             }
 179           break;
 180         case N_WARNING:
 181           /* Mark warning symbols.  */
 182           symbol_get_bfdsym (sym)->flags |= BSF_WARNING;
 183           break;
 184         }
 185     }
 186   else
 187     {
 188       symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
 189     }
 190
 191   aout_symbol (symbol_get_bfdsym (sym))->type = type;
 192
 193   /* Double check weak symbols.  */
 194   if (S_IS_WEAK (sym))
 195     {
 196       if (S_IS_COMMON (sym))
 197         as_bad (_("Symbol `%s' can not be both weak and common"),
 198                 S_GET_NAME (sym));
 199     }
 200 }
 201
 202 void
 203 obj_aout_frob_file ()
 204 {
 205   /* Relocation processing may require knowing the VMAs of the sections.
 206      Since writing to a section will cause the BFD back end to compute the
 207      VMAs, fake it out here....  */
 208   bfd_byte b = 0;
 209   boolean x = true;
 210   if (bfd_section_size (stdoutput, text_section) != 0)
 211     {
 212       x = bfd_set_section_contents (stdoutput, text_section, &b, (file_ptr) 0,
 213                                     (bfd_size_type) 1);
 214     }
 215   else if (bfd_section_size (stdoutput, data_section) != 0)
 216     {
 217       x = bfd_set_section_contents (stdoutput, data_section, &b, (file_ptr) 0,
 218                                     (bfd_size_type) 1);
 219     }
 220   assert (x == true);
 221 }
 222
 223 #else /* ! BFD_ASSEMBLER */
 224
 225 /* Relocation.  */
 226
 227 /*
 228  *              emit_relocations()
 229  *
 230  * Crawl along a fixS chain. Emit the segment's relocations.
 231  */
 232 void
 233 obj_emit_relocations (where, fixP, segment_address_in_file)
 234      char **where;
 235      fixS *fixP;                /* Fixup chain for this segment.  */
 236      relax_addressT segment_address_in_file;
 237 {
 238   for (; fixP; fixP = fixP->fx_next)
 239     if (fixP->fx_done == 0)
 240       {
 241         symbolS *sym;
 242
 243         sym = fixP->fx_addsy;
 244         while (sym->sy_value.X_op == O_symbol
 245                && (! S_IS_DEFINED (sym) || S_IS_COMMON (sym)))
 246           sym = sym->sy_value.X_add_symbol;
 247         fixP->fx_addsy = sym;
 248
 249         if (! sym->sy_resolved && ! S_IS_DEFINED (sym))
 250           {
 251             char *file;
 252             unsigned int line;
 253
 254             if (expr_symbol_where (sym, &file, &line))
 255               as_bad_where (file, line, _("unresolved relocation"));
 256             else
 257               as_bad (_("bad relocation: symbol `%s' not in symbol table"),
 258                       S_GET_NAME (sym));
 259           }
 260
 261         tc_aout_fix_to_chars (*where, fixP, segment_address_in_file);
 262         *where += md_reloc_size;
 263       }
 264 }
 265
 266 #ifndef obj_header_append
 267 /* Aout file generation & utilities */
 268 void
 269 obj_header_append (where, headers)
 270      char **where;
 271      object_headers *headers;
 272 {
 273   tc_headers_hook (headers);
 274
 275 #ifdef CROSS_COMPILE
 276   md_number_to_chars (*where, headers->header.a_info, sizeof (headers->header.a_info));
 277   *where += sizeof (headers->header.a_info);
 278   md_number_to_chars (*where, headers->header.a_text, sizeof (headers->header.a_text));
 279   *where += sizeof (headers->header.a_text);
 280   md_number_to_chars (*where, headers->header.a_data, sizeof (headers->header.a_data));
 281   *where += sizeof (headers->header.a_data);
 282   md_number_to_chars (*where, headers->header.a_bss, sizeof (headers->header.a_bss));
 283   *where += sizeof (headers->header.a_bss);
 284   md_number_to_chars (*where, headers->header.a_syms, sizeof (headers->header.a_syms));
 285   *where += sizeof (headers->header.a_syms);
 286   md_number_to_chars (*where, headers->header.a_entry, sizeof (headers->header.a_entry));
 287   *where += sizeof (headers->header.a_entry);
 288   md_number_to_chars (*where, headers->header.a_trsize, sizeof (headers->header.a_trsize));
 289   *where += sizeof (headers->header.a_trsize);
 290   md_number_to_chars (*where, headers->header.a_drsize, sizeof (headers->header.a_drsize));
 291   *where += sizeof (headers->header.a_drsize);
 292
 293 #else /* CROSS_COMPILE */
 294
 295   append (where, (char *) &headers->header, sizeof (headers->header));
 296 #endif /* CROSS_COMPILE */
 297
 298 }
 299 #endif /* ! defined (obj_header_append) */
 300
 301 void
 302 obj_symbol_to_chars (where, symbolP)
 303      char **where;
 304      symbolS *symbolP;
 305 {
 306   md_number_to_chars ((char *) &(S_GET_OFFSET (symbolP)), S_GET_OFFSET (symbolP), sizeof (S_GET_OFFSET (symbolP)));
 307   md_number_to_chars ((char *) &(S_GET_DESC (symbolP)), S_GET_DESC (symbolP), sizeof (S_GET_DESC (symbolP)));
 308   md_number_to_chars ((char *) &(symbolP->sy_symbol.n_value), S_GET_VALUE (symbolP), sizeof (symbolP->sy_symbol.n_value));
 309
 310   append (where, (char *) &symbolP->sy_symbol, sizeof (obj_symbol_type));
 311 }
 312
 313 void
 314 obj_emit_symbols (where, symbol_rootP)
 315      char **where;
 316      symbolS *symbol_rootP;
 317 {
 318   symbolS *symbolP;
 319
 320   /* Emit all symbols left in the symbol chain.  */
 321   for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
 322     {
 323       /* Used to save the offset of the name. It is used to point
 324          to the string in memory but must be a file offset.  */
 325       register char *temp;
 326
 327       temp = S_GET_NAME (symbolP);
 328       S_SET_OFFSET (symbolP, symbolP->sy_name_offset);
 329
 330       /* Any symbol still undefined and is not a dbg symbol is made N_EXT.  */
 331       if (!S_IS_DEBUG (symbolP) && !S_IS_DEFINED (symbolP))
 332         S_SET_EXTERNAL (symbolP);
 333
 334       /* Adjust the type of a weak symbol.  */
 335       if (S_GET_WEAK (symbolP))
 336         {
 337           switch (S_GET_TYPE (symbolP))
 338             {
 339             case N_UNDF: S_SET_TYPE (symbolP, N_WEAKU); break;
 340             case N_ABS:  S_SET_TYPE (symbolP, N_WEAKA); break;
 341             case N_TEXT: S_SET_TYPE (symbolP, N_WEAKT); break;
 342             case N_DATA: S_SET_TYPE (symbolP, N_WEAKD); break;
 343             case N_BSS:  S_SET_TYPE (symbolP, N_WEAKB); break;
 344             default: as_bad (_("%s: bad type for weak symbol"), temp); break;
 345             }
 346         }
 347
 348       obj_symbol_to_chars (where, symbolP);
 349       S_SET_NAME (symbolP, temp);
 350     }
 351 }
 352
 353 #endif /* ! BFD_ASSEMBLER */
 354
 355 static void
 356 obj_aout_line (ignore)
 357      int ignore ATTRIBUTE_UNUSED;
 358 {
 359   /* Assume delimiter is part of expression.
 360      BSD4.2 as fails with delightful bug, so we
 361      are not being incompatible here.  */
 362   new_logical_line ((char *) NULL, (int) (get_absolute_expression ()));
 363   demand_empty_rest_of_line ();
 364 }                               /* obj_aout_line() */
 365
 366 /* Handle .weak.  This is a GNU extension.  */
 367
 368 static void
 369 obj_aout_weak (ignore)
 370      int ignore ATTRIBUTE_UNUSED;
 371 {
 372   char *name;
 373   int c;
 374   symbolS *symbolP;
 375
 376   do
 377     {
 378       name = input_line_pointer;
 379       c = get_symbol_end ();
 380       symbolP = symbol_find_or_make (name);
 381       *input_line_pointer = c;
 382       SKIP_WHITESPACE ();
 383       S_SET_WEAK (symbolP);
 384       if (c == ',')
 385         {
 386           input_line_pointer++;
 387           SKIP_WHITESPACE ();
 388           if (*input_line_pointer == '\n')
 389             c = '\n';
 390         }
 391     }
 392   while (c == ',');
 393   demand_empty_rest_of_line ();
 394 }
 395
 396 /* Handle .type.  On {Net,Open}BSD, this is used to set the n_other field,
 397    which is then apparently used when doing dynamic linking.  Older
 398    versions of gas ignored the .type pseudo-op, so we also ignore it if
 399    we can't parse it.  */
 400
 401 static void
 402 obj_aout_type (ignore)
 403      int ignore ATTRIBUTE_UNUSED;
 404 {
 405   char *name;
 406   int c;
 407   symbolS *sym;
 408
 409   name = input_line_pointer;
 410   c = get_symbol_end ();
 411   sym = symbol_find_or_make (name);
 412   *input_line_pointer = c;
 413   SKIP_WHITESPACE ();
 414   if (*input_line_pointer == ',')
 415     {
 416       ++input_line_pointer;
 417       SKIP_WHITESPACE ();
 418       if (*input_line_pointer == '@')
 419         {
 420           ++input_line_pointer;
 421           if (strncmp (input_line_pointer, "object", 6) == 0)
 422 #ifdef BFD_ASSEMBLER
 423             aout_symbol (symbol_get_bfdsym (sym))->other = 1;
 424 #else
 425           S_SET_OTHER (sym, 1);
 426 #endif
 427           else if (strncmp (input_line_pointer, "function", 8) == 0)
 428 #ifdef BFD_ASSEMBLER
 429             aout_symbol (symbol_get_bfdsym (sym))->other = 2;
 430 #else
 431           S_SET_OTHER (sym, 2);
 432 #endif
 433         }
 434     }
 435
 436   /* Ignore everything else on the line.  */
 437   s_ignore (0);
 438 }
 439
 440 #ifndef BFD_ASSEMBLER
 441
 442 void
 443 obj_crawl_symbol_chain (headers)
 444      object_headers *headers;
 445 {
 446   symbolS *symbolP;
 447   symbolS **symbolPP;
 448   int symbol_number = 0;
 449
 450   tc_crawl_symbol_chain (headers);
 451
 452   symbolPP = &symbol_rootP;     /*->last symbol chain link.  */
 453   while ((symbolP = *symbolPP) != NULL)
 454     {
 455       if (symbolP->sy_mri_common)
 456         {
 457           if (S_IS_EXTERNAL (symbolP))
 458             as_bad (_("%s: global symbols not supported in common sections"),
 459                     S_GET_NAME (symbolP));
 460           *symbolPP = symbol_next (symbolP);
 461           continue;
 462         }
 463
 464       if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_DATA))
 465         {
 466           S_SET_SEGMENT (symbolP, SEG_TEXT);
 467         }                       /* if pusing data into text */
 468
 469       resolve_symbol_value (symbolP);
 470
 471       /* Skip symbols which were equated to undefined or common
 472          symbols.  */
 473       if (symbolP->sy_value.X_op == O_symbol
 474           && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP)))
 475         {
 476           *symbolPP = symbol_next (symbolP);
 477           continue;
 478         }
 479
 480       /* OK, here is how we decide which symbols go out into the brave
 481          new symtab.  Symbols that do are:
 482
 483          * symbols with no name (stabd's?)
 484          * symbols with debug info in their N_TYPE
 485
 486          Symbols that don't are:
 487          * symbols that are registers
 488          * symbols with \1 as their 3rd character (numeric labels)
 489          * "local labels" as defined by S_LOCAL_NAME(name) if the -L
 490          switch was passed to gas.
 491
 492          All other symbols are output.  We complain if a deleted
 493          symbol was marked external.  */
 494
 495       if (!S_IS_REGISTER (symbolP)
 496           && (!S_GET_NAME (symbolP)
 497               || S_IS_DEBUG (symbolP)
 498               || !S_IS_DEFINED (symbolP)
 499               || S_IS_EXTERNAL (symbolP)
 500               || (S_GET_NAME (symbolP)[0] != '\001'
 501                   && (flag_keep_locals || !S_LOCAL_NAME (symbolP)))))
 502         {
 503           symbolP->sy_number = symbol_number++;
 504
 505           /* The + 1 after strlen account for the \0 at the
 506                            end of each string */
 507           if (!S_IS_STABD (symbolP))
 508             {
 509               /* Ordinary case.  */
 510               symbolP->sy_name_offset = string_byte_count;
 511               string_byte_count += strlen (S_GET_NAME (symbolP)) + 1;
 512             }
 513           else                  /* .Stabd case.  */
 514             symbolP->sy_name_offset = 0;
 515           symbolPP = &symbolP->sy_next;
 516         }
 517       else
 518         {
 519           if (S_IS_EXTERNAL (symbolP) || !S_IS_DEFINED (symbolP))
 520             /* This warning should never get triggered any more.
 521                Well, maybe if you're doing twisted things with
 522                register names...  */
 523             {
 524               as_bad (_("Local symbol %s never defined."), decode_local_label_name (S_GET_NAME (symbolP)));
 525             }                   /* oops.  */
 526
 527           /* Unhook it from the chain */
 528           *symbolPP = symbol_next (symbolP);
 529         }                       /* if this symbol should be in the output */
 530     }                           /* for each symbol */
 531
 532   H_SET_SYMBOL_TABLE_SIZE (headers, symbol_number);
 533 }
 534
 535 /*
 536  * Find strings by crawling along symbol table chain.
 537  */
 538
 539 void
 540 obj_emit_strings (where)
 541      char **where;
 542 {
 543   symbolS *symbolP;
 544
 545 #ifdef CROSS_COMPILE
 546   /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */
 547   md_number_to_chars (*where, string_byte_count, sizeof (string_byte_count));
 548   *where += sizeof (string_byte_count);
 549 #else /* CROSS_COMPILE */
 550   append (where, (char *) &string_byte_count, (unsigned long) sizeof (string_byte_count));
 551 #endif /* CROSS_COMPILE */
 552
 553   for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
 554     {
 555       if (S_GET_NAME (symbolP))
 556         append (&next_object_file_charP, S_GET_NAME (symbolP),
 557                 (unsigned long) (strlen (S_GET_NAME (symbolP)) + 1));
 558     }                           /* walk symbol chain */
 559 }
 560
 561 #ifndef AOUT_VERSION
 562 #define AOUT_VERSION 0
 563 #endif
 564
 565 void
 566 obj_pre_write_hook (headers)
 567      object_headers *headers;
 568 {
 569   H_SET_DYNAMIC (headers, 0);
 570   H_SET_VERSION (headers, AOUT_VERSION);
 571   H_SET_MACHTYPE (headers, AOUT_MACHTYPE);
 572   tc_aout_pre_write_hook (headers);
 573 }
 574
 575 void
 576 s_sect ()
 577 {
 578   /* Strip out the section name */
 579   char *section_name;
 580   char *section_name_end;
 581   char c;
 582
 583   unsigned int len;
 584   unsigned int exp;
 585   char *save;
 586
 587   section_name = input_line_pointer;
 588   c = get_symbol_end ();
 589   section_name_end = input_line_pointer;
 590
 591   len = section_name_end - section_name;
 592   input_line_pointer++;
 593   save = input_line_pointer;
 594
 595   SKIP_WHITESPACE ();
 596   if (c == ',')
 597     {
 598       exp = get_absolute_expression ();
 599     }
 600   else if (*input_line_pointer == ',')
 601     {
 602       input_line_pointer++;
 603       exp = get_absolute_expression ();
 604     }
 605   else
 606     {
 607       input_line_pointer = save;
 608       exp = 0;
 609     }
 610   if (exp >= 1000)
 611     {
 612       as_bad (_("subsegment index too high"));
 613     }
 614
 615   if (strcmp (section_name, ".text") == 0)
 616     {
 617       subseg_set (SEG_TEXT, (subsegT) exp);
 618     }
 619
 620   if (strcmp (section_name, ".data") == 0)
 621     {
 622       if (flag_readonly_data_in_text)
 623         subseg_set (SEG_TEXT, (subsegT) exp + 1000);
 624       else
 625         subseg_set (SEG_DATA, (subsegT) exp);
 626     }
 627
 628   *section_name_end = c;
 629 }
 630
 631 #endif /* ! BFD_ASSEMBLER */
 632
 633 #ifdef BFD_ASSEMBLER
 634
 635 /* Support for an AOUT emulation.  */
 636
 637 static void aout_pop_insert PARAMS ((void));
 638 static int obj_aout_s_get_other PARAMS ((symbolS *));
 639 static void obj_aout_s_set_other PARAMS ((symbolS *, int));
 640 static int obj_aout_s_get_desc PARAMS ((symbolS *));
 641 static void obj_aout_s_set_desc PARAMS ((symbolS *, int));
 642 static int obj_aout_s_get_type PARAMS ((symbolS *));
 643 static void obj_aout_s_set_type PARAMS ((symbolS *, int));
 644 static int obj_aout_separate_stab_sections PARAMS ((void));
 645 static int obj_aout_sec_sym_ok_for_reloc PARAMS ((asection *));
 646 static void obj_aout_process_stab PARAMS ((segT, int, const char *, int, int, int));
 647
 648 static void
 649 aout_pop_insert ()
 650 {
 651   pop_insert (aout_pseudo_table);
 652 }
 653
 654 static int
 655 obj_aout_s_get_other (sym)
 656      symbolS *sym;
 657 {
 658   return aout_symbol (symbol_get_bfdsym (sym))->other;
 659 }
 660
 661 static void
 662 obj_aout_s_set_other (sym, o)
 663      symbolS *sym;
 664      int o;
 665 {
 666   aout_symbol (symbol_get_bfdsym (sym))->other = o;
 667 }
 668
 669 static int
 670 obj_aout_sec_sym_ok_for_reloc (sec)
 671      asection *sec ATTRIBUTE_UNUSED;
 672 {
 673   return obj_sec_sym_ok_for_reloc (sec);
 674 }
 675
 676 static void
 677 obj_aout_process_stab (seg, w, s, t, o, d)
 678      segT seg ATTRIBUTE_UNUSED;
 679      int w;
 680      const char *s;
 681      int t;
 682      int o;
 683      int d;
 684 {
 685   aout_process_stab (w, s, t, o, d);
 686 }
 687
 688 static int
 689 obj_aout_s_get_desc (sym)
 690      symbolS *sym;
 691 {
 692   return aout_symbol (symbol_get_bfdsym (sym))->desc;
 693 }
 694
 695 static void
 696 obj_aout_s_set_desc (sym, d)
 697      symbolS *sym;
 698      int d;
 699 {
 700   aout_symbol (symbol_get_bfdsym (sym))->desc = d;
 701 }
 702
 703 static int
 704 obj_aout_s_get_type (sym)
 705      symbolS *sym;
 706 {
 707   return aout_symbol (symbol_get_bfdsym (sym))->type;
 708 }
 709
 710 static void
 711 obj_aout_s_set_type (sym, t)
 712      symbolS *sym;
 713      int t;
 714 {
 715   aout_symbol (symbol_get_bfdsym (sym))->type = t;
 716 }
 717
 718 static int
 719 obj_aout_separate_stab_sections ()
 720 {
 721   return 0;
 722 }
 723
 724 /* When changed, make sure these table entries match the single-format
 725    definitions in obj-aout.h.  */
 726 const struct format_ops aout_format_ops =
 727 {
 728   bfd_target_aout_flavour,
 729   1,    /* dfl_leading_underscore */
 730   0,    /* emit_section_symbols */
 731   0,    /* begin */
 732   0,    /* app_file */
 733   obj_aout_frob_symbol,
 734   obj_aout_frob_file,
 735   0,    /* frob_file_before_adjust */
 736   0,    /* frob_file_after_relocs */
 737   0,    /* s_get_size */
 738   0,    /* s_set_size */
 739   0,    /* s_get_align */
 740   0,    /* s_set_align */
 741   obj_aout_s_get_other,
 742   obj_aout_s_set_other,
 743   obj_aout_s_get_desc,
 744   obj_aout_s_set_desc,
 745   obj_aout_s_get_type,
 746   obj_aout_s_set_type,
 747   0,    /* copy_symbol_attributes */
 748   0,    /* generate_asm_lineno */
 749   obj_aout_process_stab,
 750   obj_aout_separate_stab_sections,
 751   0,    /* init_stab_section */
 752   obj_aout_sec_sym_ok_for_reloc,
 753   aout_pop_insert,
 754   0,    /* ecoff_set_ext */
 755   0,    /* read_begin_hook */
 756   0     /* symbol_new_hook */
 757 };
 758 #endif /* BFD_ASSEMBLER */