bfd/libaout.h

   1 /* BFD back-end data structures for a.out (and similar) files.
   2    Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
   3    Written by Cygnus Support.
   4
   5 This file is part of BFD, the Binary File Descriptor library.
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef LIBAOUT_H
  22 #define LIBAOUT_H
  23
  24 /* We try to encapsulate the differences in the various a.out file
  25    variants in a few routines, and otherwise share large masses of code.
  26    This means we only have to fix bugs in one place, most of the time.  */
  27
  28 #include "bfdlink.h"
  29
  30 /* Parameterize the a.out code based on whether it is being built
  31    for a 32-bit architecture or a 64-bit architecture.  */
  32 #if ARCH_SIZE==64
  33 #define GET_WORD bfd_h_get_64
  34 #define GET_SWORD bfd_h_get_signed_64
  35 #define PUT_WORD bfd_h_put_64
  36 #ifndef NAME
  37 #define NAME(x,y) CAT3(x,_64_,y)
  38 #endif
  39 #define JNAME(x) CAT(x,_64)
  40 #define BYTES_IN_WORD 8
  41 #else /* ARCH_SIZE == 32 */
  42 #define GET_WORD bfd_h_get_32
  43 #define GET_SWORD bfd_h_get_signed_32
  44 #define PUT_WORD bfd_h_put_32
  45 #ifndef NAME
  46 #define NAME(x,y) CAT3(x,_32_,y)
  47 #endif
  48 #define JNAME(x) CAT(x,_32)
  49 #define BYTES_IN_WORD 4
  50 #endif /* ARCH_SIZE==32 */
  51
  52 /* Declare at file level, since used in parameter lists, which have
  53    weird scope.  */
  54 struct external_exec;
  55 struct external_nlist;
  56 struct reloc_ext_external;
  57 struct reloc_std_external;
  58 \f
  59 /* a.out backend linker hash table entries.  */
  60
  61 struct aout_link_hash_entry
  62 {
  63   struct bfd_link_hash_entry root;
  64   /* Whether this symbol has been written out.  */
  65   boolean written;
  66   /* Symbol index in output file.  */
  67   int indx;
  68 };
  69
  70 /* a.out backend linker hash table.  */
  71
  72 struct aout_link_hash_table
  73 {
  74   struct bfd_link_hash_table root;
  75 };
  76
  77 /* Look up an entry in an a.out link hash table.  */
  78
  79 #define aout_link_hash_lookup(table, string, create, copy, follow) \
  80   ((struct aout_link_hash_entry *) \
  81    bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
  82
  83 /* Traverse an a.out link hash table.  */
  84
  85 #define aout_link_hash_traverse(table, func, info)                      \
  86   (bfd_link_hash_traverse                                               \
  87    (&(table)->root,                                                     \
  88     (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
  89     (info)))
  90
  91 /* Get the a.out link hash table from the info structure.  This is
  92    just a cast.  */
  93
  94 #define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash))
  95 \f
  96 /* Back-end information for various a.out targets.  */
  97 struct aout_backend_data
  98 {
  99   /* Are ZMAGIC files mapped contiguously?  If so, the text section may
 100      need more padding, if the segment size (granularity for memory access
 101      control) is larger than the page size.  */
 102   unsigned char zmagic_mapped_contiguous;
 103   /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
 104      text section, which starts immediately after the file header.
 105      If not, the text section starts on the next page.  */
 106   unsigned char text_includes_header;
 107
 108   /* The value to pass to N_SET_FLAGS.  */
 109   unsigned char exec_hdr_flags;
 110
 111   /* If the text section VMA isn't specified, and we need an absolute
 112      address, use this as the default.  If we're producing a relocatable
 113      file, zero is always used.  */
 114   /* ?? Perhaps a callback would be a better choice?  Will this do anything
 115      reasonable for a format that handles multiple CPUs with different
 116      load addresses for each?  */
 117   bfd_vma default_text_vma;
 118
 119   /* Callback for setting the page and segment sizes, if they can't be
 120      trivially determined from the architecture.  */
 121   boolean (*set_sizes) PARAMS ((bfd *));
 122
 123   /* zmagic files only. For go32, the length of the exec header contributes
 124      to the size of the text section in the file for alignment purposes but
 125      does *not* get counted in the length of the text section. */
 126   unsigned char exec_header_not_counted;
 127
 128   /* Callback from the add symbols phase of the linker code to handle
 129      a dynamic object.  */
 130   boolean (*add_dynamic_symbols) PARAMS ((bfd *, struct bfd_link_info *,
 131                                           struct external_nlist **,
 132                                           bfd_size_type *, char **));
 133
 134   /* Callback from the add symbols phase of the linker code to handle
 135      adding a single symbol to the global linker hash table.  */
 136   boolean (*add_one_symbol) PARAMS ((struct bfd_link_info *, bfd *,
 137                                      const char *, flagword, asection *,
 138                                      bfd_vma, const char *, boolean,
 139                                      boolean,
 140                                      struct bfd_link_hash_entry **));
 141
 142   /* Called to handle linking a dynamic object.  */
 143   boolean (*link_dynamic_object) PARAMS ((struct bfd_link_info *, bfd *));
 144
 145   /* Called for each global symbol being written out by the linker.
 146      This should write out the dynamic symbol information.  */
 147   boolean (*write_dynamic_symbol) PARAMS ((bfd *, struct bfd_link_info *,
 148                                            struct aout_link_hash_entry *));
 149
 150   /* If this callback is not NULL, the linker calls it for each reloc.
 151      RELOC is a pointer to the unswapped reloc.  If *SKIP is set to
 152      true, the reloc will be skipped.  *RELOCATION may be changed to
 153      change the effects of the relocation.  */
 154   boolean (*check_dynamic_reloc) PARAMS ((struct bfd_link_info *info,
 155                                           bfd *input_bfd,
 156                                           asection *input_section,
 157                                           struct aout_link_hash_entry *h,
 158                                           PTR reloc, bfd_byte *contents,
 159                                           boolean *skip,
 160                                           bfd_vma *relocation));
 161
 162   /* Called at the end of a link to finish up any dynamic linking
 163      information.  */
 164   boolean (*finish_dynamic_link) PARAMS ((bfd *, struct bfd_link_info *));
 165 };
 166 #define aout_backend_info(abfd) \
 167         ((CONST struct aout_backend_data *)((abfd)->xvec->backend_data))
 168
 169 /* This is the layout in memory of a "struct exec" while we process it.
 170    All 'lengths' are given as a number of bytes.
 171    All 'alignments' are for relinkable files only;  an alignment of
 172         'n' indicates the corresponding segment must begin at an
 173         address that is a multiple of (2**n).  */
 174
 175 struct internal_exec
 176 {
 177     long a_info;                /* Magic number and flags, packed */
 178     bfd_vma a_text;             /* length of text, in bytes  */
 179     bfd_vma a_data;             /* length of data, in bytes  */
 180     bfd_vma a_bss;              /* length of uninitialized data area in mem */
 181     bfd_vma a_syms;             /* length of symbol table data in file */
 182     bfd_vma a_entry;            /* start address */
 183     bfd_vma a_trsize;           /* length of text's relocation info, in bytes */
 184     bfd_vma a_drsize;           /* length of data's relocation info, in bytes */
 185     /* Added for i960 */
 186     bfd_vma a_tload;            /* Text runtime load address */
 187     bfd_vma a_dload;            /* Data runtime load address */
 188     unsigned char a_talign;     /* Alignment of text segment */
 189     unsigned char a_dalign;     /* Alignment of data segment */
 190     unsigned char a_balign;     /* Alignment of bss segment */
 191     char a_relaxable;           /* Enough info for linker relax */
 192 };
 193
 194 /* Magic number is written
 195 < MSB          >
 196 3130292827262524232221201918171615141312111009080706050403020100
 197 < FLAGS        >< MACHINE TYPE ><  MAGIC NUMBER                >
 198 */
 199 /* Magic number for NetBSD is
 200 <MSB           >
 201 3130292827262524232221201918171615141312111009080706050403020100
 202 < FLAGS    >< MACHINE TYPE     ><  MAGIC NUMBER                >
 203 */
 204
 205 enum machine_type {
 206   M_UNKNOWN = 0,
 207   M_68010 = 1,
 208   M_68020 = 2,
 209   M_SPARC = 3,
 210   /* skip a bunch so we don't run into any of suns numbers */
 211   /* make these up for the ns32k*/
 212   M_NS32032 = (64),             /* ns32032 running ? */
 213   M_NS32532 = (64 + 5),         /* ns32532 running mach */
 214
 215   M_386 = 100,
 216   M_29K = 101,          /* AMD 29000 */
 217   M_386_DYNIX = 102,    /* Sequent running dynix */
 218   M_ARM = 103,          /* Advanced Risc Machines ARM */
 219   M_386_NETBSD = 134,   /* NetBSD/i386 binary */
 220   M_68K_NETBSD = 135,   /* NetBSD/m68k binary */
 221   M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary */
 222   M_532_NETBSD = 137,   /* NetBSD/ns32k binary */
 223   M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */
 224   M_SPARCLET = 142,     /* SPARClet */
 225   M_SPARCLET_LE = 143,  /* SPARClet little endian */
 226   M_MIPS1 = 151,        /* MIPS R2000/R3000 binary */
 227   M_MIPS2 = 152,        /* MIPS R4000/R6000 binary */
 228   M_HP200 = 200,        /* HP 200 (68010) BSD binary */
 229   M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
 230   M_HPUX = (0x20c % 256)/* HP 200/300 HPUX binary */
 231 };
 232
 233 #define N_DYNAMIC(exec) ((exec).a_info & 0x80000000)
 234
 235 #ifndef N_MAGIC
 236 # define N_MAGIC(exec) ((exec).a_info & 0xffff)
 237 #endif
 238
 239 #ifndef N_MACHTYPE
 240 # define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
 241 #endif
 242
 243 #ifndef N_FLAGS
 244 # define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
 245 #endif
 246
 247 #ifndef N_SET_INFO
 248 # define N_SET_INFO(exec, magic, type, flags) \
 249 ((exec).a_info = ((magic) & 0xffff) \
 250  | (((int)(type) & 0xff) << 16) \
 251  | (((flags) & 0xff) << 24))
 252 #endif
 253
 254 #ifndef N_SET_DYNAMIC
 255 # define N_SET_DYNAMIC(exec, dynamic) \
 256 ((exec).a_info = (dynamic) ? ((exec).a_info | 0x80000000) : \
 257 ((exec).a_info & 0x7fffffff))
 258 #endif
 259
 260 #ifndef N_SET_MAGIC
 261 # define N_SET_MAGIC(exec, magic) \
 262 ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
 263 #endif
 264
 265 #ifndef N_SET_MACHTYPE
 266 # define N_SET_MACHTYPE(exec, machtype) \
 267 ((exec).a_info = \
 268  ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
 269 #endif
 270
 271 #ifndef N_SET_FLAGS
 272 # define N_SET_FLAGS(exec, flags) \
 273 ((exec).a_info = \
 274  ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
 275 #endif
 276
 277 typedef struct aout_symbol {
 278   asymbol symbol;
 279   short desc;
 280   char other;
 281   unsigned char type;
 282 } aout_symbol_type;
 283
 284 /* The `tdata' struct for all a.out-like object file formats.
 285    Various things depend on this struct being around any time an a.out
 286    file is being handled.  An example is dbxread.c in GDB.  */
 287
 288 struct aoutdata {
 289   struct internal_exec *hdr;            /* exec file header */
 290   aout_symbol_type *symbols;            /* symtab for input bfd */
 291
 292   /* For ease, we do this */
 293   asection *textsec;
 294   asection *datasec;
 295   asection *bsssec;
 296
 297   /* We remember these offsets so that after check_file_format, we have
 298      no dependencies on the particular format of the exec_hdr.  */
 299   file_ptr sym_filepos;
 300   file_ptr str_filepos;
 301
 302   /* Size of a relocation entry in external form */
 303   unsigned reloc_entry_size;
 304
 305   /* Size of a symbol table entry in external form */
 306   unsigned symbol_entry_size;
 307
 308   /* Page size - needed for alignment of demand paged files. */
 309   unsigned long page_size;
 310
 311   /* Segment size - needed for alignment of demand paged files. */
 312   unsigned long segment_size;
 313
 314   /* Zmagic disk block size - need to align the start of the text
 315      section in ZMAGIC binaries.  Normally the same as page_size.  */
 316   unsigned long zmagic_disk_block_size;
 317
 318   unsigned exec_bytes_size;
 319   unsigned vma_adjusted : 1;
 320
 321   /* used when a bfd supports several highly similar formats */
 322   enum
 323     {
 324       default_format = 0,
 325       /* Used on HP 9000/300 running HP/UX.  See hp300hpux.c.  */
 326       gnu_encap_format,
 327       /* Used on Linux, 386BSD, etc.  See include/aout/aout64.h.  */
 328       q_magic_format
 329     } subformat;
 330
 331   enum
 332     {
 333       undecided_magic = 0,
 334       z_magic,
 335       o_magic,
 336       n_magic
 337     } magic;
 338
 339   /* A buffer for find_nearest_line.  */
 340   char *line_buf;
 341
 342   /* The external symbol information.  */
 343   struct external_nlist *external_syms;
 344   bfd_size_type external_sym_count;
 345   bfd_window sym_window;
 346   char *external_strings;
 347   bfd_size_type external_string_size;
 348   bfd_window string_window;
 349   struct aout_link_hash_entry **sym_hashes;
 350
 351   /* A pointer for shared library information.  */
 352   PTR dynamic_info;
 353
 354   /* A mapping from local symbols to offsets into the global offset
 355      table, used when linking on SunOS.  This is indexed by the symbol
 356      index.  */
 357   bfd_vma *local_got_offsets;
 358 };
 359
 360 struct  aout_data_struct {
 361     struct aoutdata a;
 362     struct internal_exec e;
 363 };
 364
 365 #define adata(bfd)              ((bfd)->tdata.aout_data->a)
 366 #define exec_hdr(bfd)           (adata(bfd).hdr)
 367 #define obj_aout_symbols(bfd)   (adata(bfd).symbols)
 368 #define obj_textsec(bfd)        (adata(bfd).textsec)
 369 #define obj_datasec(bfd)        (adata(bfd).datasec)
 370 #define obj_bsssec(bfd)         (adata(bfd).bsssec)
 371 #define obj_sym_filepos(bfd)    (adata(bfd).sym_filepos)
 372 #define obj_str_filepos(bfd)    (adata(bfd).str_filepos)
 373 #define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
 374 #define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
 375 #define obj_aout_subformat(bfd) (adata(bfd).subformat)
 376 #define obj_aout_external_syms(bfd) (adata(bfd).external_syms)
 377 #define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count)
 378 #define obj_aout_sym_window(bfd) (adata(bfd).sym_window)
 379 #define obj_aout_external_strings(bfd) (adata(bfd).external_strings)
 380 #define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size)
 381 #define obj_aout_string_window(bfd) (adata(bfd).string_window)
 382 #define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes)
 383 #define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info)
 384
 385 /* We take the address of the first element of an asymbol to ensure that the
 386    macro is only ever applied to an asymbol */
 387 #define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
 388
 389 /* Information we keep for each a.out section.  This is currently only
 390    used by the a.out backend linker.  */
 391
 392 struct aout_section_data_struct
 393 {
 394   /* The unswapped relocation entries for this section.  */
 395   PTR relocs;
 396 };
 397
 398 #define aout_section_data(s) \
 399   ((struct aout_section_data_struct *) (s)->used_by_bfd)
 400
 401 #define set_aout_section_data(s,v) \
 402   ((s)->used_by_bfd = (PTR)&(v)->relocs)
 403
 404 /* Prototype declarations for functions defined in aoutx.h  */
 405
 406 boolean
 407 NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section));
 408
 409 boolean
 410 NAME(aout,make_sections) PARAMS ((bfd *));
 411
 412 const bfd_target *
 413 NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
 414                                        struct internal_exec *execp,
 415                                        const bfd_target *(*callback)(bfd *)));
 416
 417 boolean
 418 NAME(aout,mkobject) PARAMS ((bfd *abfd));
 419
 420 enum machine_type
 421 NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
 422                                  unsigned long machine,
 423                                  boolean *unknown));
 424
 425 boolean
 426 NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch,
 427                                   unsigned long machine));
 428
 429 boolean
 430 NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect));
 431
 432 boolean
 433 NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section,
 434                          PTR location, file_ptr offset, bfd_size_type count));
 435
 436 asymbol *
 437 NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));
 438
 439 boolean
 440 NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *,
 441                                            struct external_nlist *,
 442                                            bfd_size_type, char *,
 443                                            bfd_size_type,
 444                                            boolean dynamic));
 445
 446 boolean
 447 NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));
 448
 449 boolean
 450 NAME(aout,write_syms) PARAMS ((bfd *abfd));
 451
 452 void
 453 NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));
 454
 455 long
 456 NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));
 457
 458 long
 459 NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location));
 460
 461 void
 462 NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *,
 463                                       arelent *, asymbol **, bfd_size_type));
 464 void
 465 NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *,
 466                                       arelent *, asymbol **, bfd_size_type));
 467
 468 reloc_howto_type *
 469 NAME(aout,reloc_type_lookup) PARAMS ((bfd *abfd,
 470                                       bfd_reloc_code_real_type code));
 471
 472 boolean
 473 NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
 474                                       asymbol **symbols));
 475
 476 long
 477 NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
 478                                        arelent **relptr, asymbol **symbols));
 479
 480 long
 481 NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect));
 482
 483 void
 484 NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore));
 485
 486 alent *
 487 NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol));
 488
 489 void
 490 NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file,
 491                             asymbol *symbol, bfd_print_symbol_type how));
 492
 493 void
 494 NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd,
 495                            asymbol *symbol, symbol_info *ret));
 496
 497 boolean
 498 NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section,
 499       asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
 500       CONST char **functionname_ptr, unsigned int *line_ptr));
 501
 502 long
 503 NAME(aout,read_minisymbols) PARAMS ((bfd *, boolean, PTR *, unsigned int *));
 504
 505 asymbol *
 506 NAME(aout,minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
 507                                          asymbol *));
 508
 509 int
 510 NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));
 511
 512 boolean
 513 NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd,
 514        bfd_size_type *text_size, file_ptr *text_end));
 515
 516 void
 517 NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd,
 518        struct external_exec *raw_bytes, struct internal_exec *execp));
 519
 520 void
 521 NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd,
 522        struct internal_exec *execp, struct external_exec *raw_bytes));
 523
 524 struct bfd_hash_entry *
 525 NAME(aout,link_hash_newfunc)
 526   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 527
 528 boolean
 529 NAME(aout,link_hash_table_init)
 530      PARAMS ((struct aout_link_hash_table *, bfd *,
 531               struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 532                                           struct bfd_hash_table *,
 533                                           const char *)));
 534
 535 struct bfd_link_hash_table *
 536 NAME(aout,link_hash_table_create) PARAMS ((bfd *));
 537
 538 boolean
 539 NAME(aout,link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
 540
 541 boolean
 542 NAME(aout,final_link) PARAMS ((bfd *, struct bfd_link_info *,
 543                                void (*) (bfd *, file_ptr *, file_ptr *,
 544                                          file_ptr *)));
 545
 546 boolean
 547 NAME(aout,bfd_free_cached_info) PARAMS ((bfd *));
 548
 549 /* A.out uses the generic versions of these routines... */
 550
 551 #define aout_32_get_section_contents    _bfd_generic_get_section_contents
 552
 553 #define aout_64_get_section_contents    _bfd_generic_get_section_contents
 554 #ifndef NO_WRITE_HEADER_KLUDGE
 555 #define NO_WRITE_HEADER_KLUDGE 0
 556 #endif
 557
 558 #ifndef aout_32_bfd_is_local_label
 559 #define aout_32_bfd_is_local_label bfd_generic_is_local_label
 560 #endif
 561
 562 #ifndef WRITE_HEADERS
 563 #define WRITE_HEADERS(abfd, execp)                                            \
 564       {                                                                       \
 565         bfd_size_type text_size; /* dummy vars */                             \
 566         file_ptr text_end;                                                    \
 567         if (adata(abfd).magic == undecided_magic)                             \
 568           NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end);     \
 569                                                                               \
 570         execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;        \
 571         execp->a_entry = bfd_get_start_address (abfd);                        \
 572                                                                               \
 573         execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *                \
 574                            obj_reloc_entry_size (abfd));                      \
 575         execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *                \
 576                            obj_reloc_entry_size (abfd));                      \
 577         NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes);           \
 578                                                                               \
 579         if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false;       \
 580         if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)           \
 581             != EXEC_BYTES_SIZE)                                               \
 582           return false;                                                       \
 583         /* Now write out reloc info, followed by syms and strings */          \
 584                                                                               \
 585         if (bfd_get_outsymbols (abfd) != (asymbol **) NULL                    \
 586             && bfd_get_symcount (abfd) != 0)                                  \
 587           {                                                                   \
 588             if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) != 0) \
 589               return false;                                                   \
 590                                                                               \
 591             if (! NAME(aout,write_syms)(abfd)) return false;                  \
 592           }                                                                   \
 593                                                                               \
 594         if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) != 0)    \
 595           return false;                                                       \
 596         if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd)))         \
 597           return false;                                                       \
 598                                                                               \
 599         if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET) != 0)    \
 600           return false;                                                       \
 601         if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd)))          \
 602           return false;                                                       \
 603       }
 604 #endif
 605
 606 #endif /* ! defined (LIBAOUT_H) */