bfd/aout-arm.c

   1 /* BFD back-end for raw ARM a.out binaries.
   2    Copyright (C) 1994-2017 Free Software Foundation, Inc.
   3    Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
   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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #include "sysdep.h"
  22 #include "bfd.h"
  23
  24 /* Avoid multiple definitions from aoutx if supporting standard a.out
  25    as well as our own.  */
  26 /* Do not "beautify" the CONCAT* macro args.  Traditional C will not
  27    remove whitespace added here, and thus will fail to concatenate
  28    the tokens.  */
  29 #define NAME(x,y) CONCAT3 (aoutarm,_32_,y)
  30
  31 #define N_TXTADDR(x)                                            \
  32   ((N_MAGIC (x) == NMAGIC)                                      \
  33    ? (bfd_vma) 0x8000                                           \
  34    : ((N_MAGIC (x) != ZMAGIC)                                   \
  35       ? (bfd_vma) 0                                             \
  36       : ((N_SHARED_LIB (x))                                     \
  37          ? ((x)->a_entry & ~(bfd_vma) (TARGET_PAGE_SIZE - 1))   \
  38          : (bfd_vma) TEXT_START_ADDR)))
  39
  40 #define TEXT_START_ADDR 0x8000
  41 #define TARGET_PAGE_SIZE 0x8000
  42 #define SEGMENT_SIZE TARGET_PAGE_SIZE
  43 #define DEFAULT_ARCH bfd_arch_arm
  44
  45 #define MY(OP) CONCAT2 (arm_aout_,OP)
  46 #define N_BADMAG(x) ((((x)->a_info & ~007200) != ZMAGIC) && \
  47                      (((x)->a_info & ~006000) != OMAGIC) && \
  48                      ((x)->a_info != NMAGIC))
  49 #define N_MAGIC(x) ((x)->a_info & ~07200)
  50
  51 #define MY_bfd_reloc_type_lookup arm_aout_bfd_reloc_type_lookup
  52 #define MY_bfd_reloc_name_lookup arm_aout_bfd_reloc_name_lookup
  53
  54 #include "libaout.h"
  55 #include "aout/aout64.h"
  56
  57 \f
  58 static bfd_reloc_status_type
  59   MY (fix_pcrel_26) (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
  60 static bfd_reloc_status_type
  61   MY (fix_pcrel_26_done) (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
  62
  63 reloc_howto_type MY (howto_table)[] =
  64 {
  65   /* Type rs size bsz pcrel bitpos ovrf sf name part_inpl
  66      readmask setmask pcdone.  */
  67   HOWTO (0, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE,
  68          0x000000ff, 0x000000ff, FALSE),
  69   HOWTO (1, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE,
  70          0x0000ffff, 0x0000ffff, FALSE),
  71   HOWTO (2, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE,
  72          0xffffffff, 0xffffffff, FALSE),
  73   HOWTO (3, 2, 2, 26, TRUE, 0, complain_overflow_signed, MY (fix_pcrel_26),
  74          "ARM26", TRUE, 0x00ffffff, 0x00ffffff, TRUE),
  75   HOWTO (4, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE,
  76          0x000000ff, 0x000000ff, TRUE),
  77   HOWTO (5, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE,
  78          0x0000ffff, 0x0000ffff, TRUE),
  79   HOWTO (6, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE,
  80          0xffffffff, 0xffffffff, TRUE),
  81   HOWTO (7, 2, 2, 26, FALSE, 0, complain_overflow_signed,
  82          MY (fix_pcrel_26_done), "ARM26D", TRUE, 0x0, 0x0,
  83          FALSE),
  84   EMPTY_HOWTO (-1),
  85   HOWTO (9, 0, -1, 16, FALSE, 0, complain_overflow_bitfield, 0, "NEG16", TRUE,
  86          0x0000ffff, 0x0000ffff, FALSE),
  87   HOWTO (10, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "NEG32", TRUE,
  88          0xffffffff, 0xffffffff, FALSE)
  89 };
  90
  91 #define RELOC_ARM_BITS_NEG_BIG      ((unsigned int) 0x08)
  92 #define RELOC_ARM_BITS_NEG_LITTLE   ((unsigned int) 0x10)
  93
  94 static reloc_howto_type *
  95 MY (reloc_howto) (bfd *abfd,
  96                   struct reloc_std_external *rel,
  97                   int *r_index,
  98                   int *r_extern,
  99                   int *r_pcrel)
 100 {
 101   unsigned int r_length;
 102   unsigned int r_pcrel_done;
 103   unsigned int r_neg;
 104   int howto_index;
 105
 106   *r_pcrel = 0;
 107   if (bfd_header_big_endian (abfd))
 108     {
 109       *r_index     =  ((rel->r_index[0] << 16)
 110                        | (rel->r_index[1] << 8)
 111                        | rel->r_index[2]);
 112       *r_extern    = (0 != (rel->r_type[0] & RELOC_STD_BITS_EXTERN_BIG));
 113       r_pcrel_done = (0 != (rel->r_type[0] & RELOC_STD_BITS_PCREL_BIG));
 114       r_neg        = (0 != (rel->r_type[0] & RELOC_ARM_BITS_NEG_BIG));
 115       r_length     = ((rel->r_type[0] & RELOC_STD_BITS_LENGTH_BIG)
 116                       >> RELOC_STD_BITS_LENGTH_SH_BIG);
 117     }
 118   else
 119     {
 120       *r_index     = ((rel->r_index[2] << 16)
 121                       | (rel->r_index[1] << 8)
 122                       | rel->r_index[0]);
 123       *r_extern    = (0 != (rel->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE));
 124       r_pcrel_done = (0 != (rel->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE));
 125       r_neg        = (0 != (rel->r_type[0] & RELOC_ARM_BITS_NEG_LITTLE));
 126       r_length     = ((rel->r_type[0] & RELOC_STD_BITS_LENGTH_LITTLE)
 127                       >> RELOC_STD_BITS_LENGTH_SH_LITTLE);
 128     }
 129   howto_index = r_length + 4 * r_pcrel_done + 8 * r_neg;
 130   if (howto_index == 3)
 131     *r_pcrel = 1;
 132
 133   return MY (howto_table) + howto_index;
 134 }
 135
 136 #define MY_reloc_howto(BFD, REL, IN, EX, PC) \
 137         MY (reloc_howto) (BFD, REL, &IN, &EX, &PC)
 138
 139 static void
 140 MY (put_reloc) (bfd *abfd,
 141                 int r_extern,
 142                 int r_index,
 143                 bfd_vma value,
 144                 reloc_howto_type *howto,
 145                 struct reloc_std_external *reloc)
 146 {
 147   unsigned int r_length;
 148   int r_pcrel;
 149   int r_neg;
 150
 151   PUT_WORD (abfd, value, reloc->r_address);
 152   /* Size as a power of two.  */
 153   r_length = howto->size;
 154
 155   /* Special case for branch relocations.  */
 156   if (howto->type == 3 || howto->type == 7)
 157     r_length = 3;
 158
 159   r_pcrel  = howto->type & 4;   /* PC Relative done?  */
 160   r_neg = howto->type & 8;      /* Negative relocation.  */
 161
 162   if (bfd_header_big_endian (abfd))
 163     {
 164       reloc->r_index[0] = r_index >> 16;
 165       reloc->r_index[1] = r_index >> 8;
 166       reloc->r_index[2] = r_index;
 167       reloc->r_type[0] =
 168         ((r_extern ?     RELOC_STD_BITS_EXTERN_BIG : 0)
 169          | (r_pcrel ?    RELOC_STD_BITS_PCREL_BIG : 0)
 170          | (r_neg ?      RELOC_ARM_BITS_NEG_BIG : 0)
 171          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_BIG));
 172     }
 173   else
 174     {
 175       reloc->r_index[2] = r_index >> 16;
 176       reloc->r_index[1] = r_index >> 8;
 177       reloc->r_index[0] = r_index;
 178       reloc->r_type[0] =
 179         ((r_extern ?     RELOC_STD_BITS_EXTERN_LITTLE : 0)
 180          | (r_pcrel ?    RELOC_STD_BITS_PCREL_LITTLE : 0)
 181          | (r_neg ?      RELOC_ARM_BITS_NEG_LITTLE : 0)
 182          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_LITTLE));
 183     }
 184 }
 185
 186 #define MY_put_reloc(BFD, EXT, IDX, VAL, HOWTO, RELOC) \
 187   MY (put_reloc) (BFD, EXT, IDX, VAL, HOWTO, RELOC)
 188
 189 static void
 190 MY (relocatable_reloc) (reloc_howto_type *howto,
 191                         bfd *abfd,
 192                         struct reloc_std_external *reloc,
 193                         bfd_vma *amount,
 194                         bfd_vma r_addr)
 195 {
 196   if (howto->type == 3)
 197     {
 198       if (reloc->r_type[0]
 199           & (bfd_header_big_endian (abfd)
 200              ? RELOC_STD_BITS_EXTERN_BIG : RELOC_STD_BITS_EXTERN_LITTLE))
 201         /* The reloc is still external, so don't modify anything.  */
 202         *amount = 0;
 203       else
 204         {
 205           *amount -= r_addr;
 206           /* Change the r_pcrel value -- on the ARM, this bit is set once the
 207              relocation is done.  */
 208           if (bfd_header_big_endian (abfd))
 209             reloc->r_type[0] |= RELOC_STD_BITS_PCREL_BIG;
 210           else
 211             reloc->r_type[0] |= RELOC_STD_BITS_PCREL_LITTLE;
 212         }
 213     }
 214   else if (howto->type == 7)
 215     *amount = 0;
 216 }
 217
 218 #define MY_relocatable_reloc(HOW, BFD, REL, AMOUNT, ADDR) \
 219   MY (relocatable_reloc) (HOW, BFD, REL, &(AMOUNT), ADDR)
 220
 221 static bfd_reloc_status_type
 222 MY (fix_pcrel_26_done) (bfd *abfd ATTRIBUTE_UNUSED,
 223                         arelent *reloc_entry ATTRIBUTE_UNUSED,
 224                         asymbol *symbol ATTRIBUTE_UNUSED,
 225                         void * data ATTRIBUTE_UNUSED,
 226                         asection *input_section ATTRIBUTE_UNUSED,
 227                         bfd *output_bfd ATTRIBUTE_UNUSED,
 228                         char **error_message ATTRIBUTE_UNUSED)
 229 {
 230   /* This is dead simple at present.  */
 231   return bfd_reloc_ok;
 232 }
 233
 234 static bfd_reloc_status_type
 235 MY (fix_pcrel_26) (bfd *abfd,
 236                    arelent *reloc_entry,
 237                    asymbol *symbol,
 238                    void * data,
 239                    asection *input_section,
 240                    bfd *output_bfd,
 241                    char **error_message ATTRIBUTE_UNUSED)
 242 {
 243   bfd_vma relocation;
 244   bfd_size_type addr = reloc_entry->address;
 245   bfd_vma target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
 246   bfd_reloc_status_type flag = bfd_reloc_ok;
 247
 248   /* If this is an undefined symbol, return error.  */
 249   if (bfd_is_und_section (symbol->section)
 250       && (symbol->flags & BSF_WEAK) == 0)
 251     return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
 252
 253   /* If the sections are different, and we are doing a partial relocation,
 254      just ignore it for now.  */
 255   if (symbol->section->name != input_section->name
 256       && output_bfd != NULL)
 257     return bfd_reloc_ok;
 258
 259   relocation = (target & 0x00ffffff) << 2;
 260   relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend.  */
 261   relocation += symbol->value;
 262   relocation += symbol->section->output_section->vma;
 263   relocation += symbol->section->output_offset;
 264   relocation += reloc_entry->addend;
 265   relocation -= input_section->output_section->vma;
 266   relocation -= input_section->output_offset;
 267   relocation -= addr;
 268   if (relocation & 3)
 269     return bfd_reloc_overflow;
 270
 271   /* Check for overflow.  */
 272   if (relocation & 0x02000000)
 273     {
 274       if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
 275         flag = bfd_reloc_overflow;
 276     }
 277   else if (relocation & ~ (bfd_vma) 0x03ffffff)
 278     flag = bfd_reloc_overflow;
 279
 280   target &= ~ (bfd_vma) 0x00ffffff;
 281   target |= (relocation >> 2) & 0x00ffffff;
 282   bfd_put_32 (abfd, target, (bfd_byte *) data + addr);
 283
 284   /* Now the ARM magic... Change the reloc type so that it is marked as done.
 285      Strictly this is only necessary if we are doing a partial relocation.  */
 286   reloc_entry->howto = &MY (howto_table)[7];
 287
 288   return flag;
 289 }
 290
 291 static reloc_howto_type *
 292 MY (bfd_reloc_type_lookup) (bfd *abfd,
 293                             bfd_reloc_code_real_type code)
 294 {
 295 #define ASTD(i,j)       case i: return & MY (howto_table)[j]
 296
 297   if (code == BFD_RELOC_CTOR)
 298     switch (bfd_arch_bits_per_address (abfd))
 299       {
 300       case 32:
 301         code = BFD_RELOC_32;
 302         break;
 303       default:
 304         return NULL;
 305       }
 306
 307   switch (code)
 308     {
 309       ASTD (BFD_RELOC_16, 1);
 310       ASTD (BFD_RELOC_32, 2);
 311       ASTD (BFD_RELOC_ARM_PCREL_BRANCH, 3);
 312       ASTD (BFD_RELOC_8_PCREL, 4);
 313       ASTD (BFD_RELOC_16_PCREL, 5);
 314       ASTD (BFD_RELOC_32_PCREL, 6);
 315     default:
 316       return NULL;
 317     }
 318 }
 319
 320 static reloc_howto_type *
 321 MY (bfd_reloc_name_lookup) (bfd *abfd ATTRIBUTE_UNUSED,
 322                             const char *r_name)
 323 {
 324   unsigned int i;
 325
 326   for (i = 0;
 327        i < sizeof (MY (howto_table)) / sizeof (MY (howto_table)[0]);
 328        i++)
 329     if (MY (howto_table)[i].name != NULL
 330         && strcasecmp (MY (howto_table)[i].name, r_name) == 0)
 331       return &MY (howto_table)[i];
 332
 333   return NULL;
 334 }
 335
 336 #define MY_swap_std_reloc_in     MY (swap_std_reloc_in)
 337 #define MY_swap_std_reloc_out    MY (swap_std_reloc_out)
 338 #define MY_get_section_contents  _bfd_generic_get_section_contents
 339
 340 void MY_swap_std_reloc_in (bfd *, struct reloc_std_external *, arelent *, asymbol **, bfd_size_type);
 341 void MY_swap_std_reloc_out (bfd *, arelent *, struct reloc_std_external *);
 342
 343 #include "aoutx.h"
 344
 345 void
 346 MY_swap_std_reloc_in (bfd *abfd,
 347                       struct reloc_std_external *bytes,
 348                       arelent *cache_ptr,
 349                       asymbol **symbols,
 350                       bfd_size_type symcount ATTRIBUTE_UNUSED)
 351 {
 352   int r_index;
 353   int r_extern;
 354   int r_pcrel;
 355   struct aoutdata *su = &(abfd->tdata.aout_data->a);
 356
 357   cache_ptr->address = H_GET_32 (abfd, bytes->r_address);
 358
 359   cache_ptr->howto = MY_reloc_howto (abfd, bytes, r_index, r_extern, r_pcrel);
 360
 361   MOVE_ADDRESS (0);
 362 }
 363
 364 void
 365 MY_swap_std_reloc_out (bfd *abfd,
 366                        arelent *g,
 367                        struct reloc_std_external *natptr)
 368 {
 369   int r_index;
 370   asymbol *sym = *(g->sym_ptr_ptr);
 371   int r_extern;
 372   int r_length;
 373   int r_pcrel;
 374   int r_neg = 0;        /* Negative relocs use the BASEREL bit.  */
 375   asection *output_section = sym->section->output_section;
 376
 377   PUT_WORD (abfd, g->address, natptr->r_address);
 378
 379   r_length = g->howto->size ;   /* Size as a power of two.  */
 380   if (r_length < 0)
 381     {
 382       r_length = -r_length;
 383       r_neg = 1;
 384     }
 385
 386   r_pcrel  = (int) g->howto->pc_relative; /* Relative to PC?  */
 387
 388   /* For RISC iX, in pc-relative relocs the r_pcrel bit means that the
 389      relocation has been done already (Only for the 26-bit one I think).  */
 390   if (g->howto->type == 3)
 391     {
 392       r_length = 3;
 393       r_pcrel = 0;
 394     }
 395   else if (g->howto->type == 7)
 396     {
 397       r_length = 3;
 398       r_pcrel = 1;
 399     }
 400
 401   /* Name was clobbered by aout_write_syms to be symbol index.  */
 402
 403   /* If this relocation is relative to a symbol then set the
 404      r_index to the symbols index, and the r_extern bit.
 405
 406      Absolute symbols can come in in two ways, either as an offset
 407      from the abs section, or as a symbol which has an abs value.
 408      check for that here.  */
 409
 410   if (bfd_is_com_section (output_section)
 411       || bfd_is_abs_section (output_section)
 412       || bfd_is_und_section (output_section))
 413     {
 414       if (bfd_abs_section_ptr->symbol == sym)
 415         {
 416           /* Whoops, looked like an abs symbol, but is really an offset
 417              from the abs section.  */
 418           r_index = 0;
 419           r_extern = 0;
 420         }
 421       else
 422         {
 423           /* Fill in symbol.  */
 424           r_extern = 1;
 425           r_index = (*(g->sym_ptr_ptr))->KEEPIT;
 426         }
 427     }
 428   else
 429     {
 430       /* Just an ordinary section.  */
 431       r_extern = 0;
 432       r_index  = output_section->target_index;
 433     }
 434
 435   /* Now the fun stuff.  */
 436   if (bfd_header_big_endian (abfd))
 437     {
 438       natptr->r_index[0] = r_index >> 16;
 439       natptr->r_index[1] = r_index >> 8;
 440       natptr->r_index[2] = r_index;
 441       natptr->r_type[0] =
 442         (  (r_extern ?   RELOC_STD_BITS_EXTERN_BIG: 0)
 443          | (r_pcrel  ?   RELOC_STD_BITS_PCREL_BIG: 0)
 444          | (r_neg    ?   RELOC_ARM_BITS_NEG_BIG: 0)
 445          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_BIG));
 446     }
 447   else
 448     {
 449       natptr->r_index[2] = r_index >> 16;
 450       natptr->r_index[1] = r_index >> 8;
 451       natptr->r_index[0] = r_index;
 452       natptr->r_type[0] =
 453         (  (r_extern ?   RELOC_STD_BITS_EXTERN_LITTLE: 0)
 454          | (r_pcrel  ?   RELOC_STD_BITS_PCREL_LITTLE: 0)
 455          | (r_neg    ?   RELOC_ARM_BITS_NEG_LITTLE: 0)
 456          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_LITTLE));
 457     }
 458 }
 459
 460 #define MY_BFD_TARGET
 461
 462 #include "aout-target.h"
 463
 464 extern const bfd_target arm_aout_be_vec;
 465
 466 const bfd_target arm_aout_le_vec =
 467 {
 468   "a.out-arm-little",           /* Name.  */
 469   bfd_target_aout_flavour,
 470   BFD_ENDIAN_LITTLE,            /* Target byte order (little).  */
 471   BFD_ENDIAN_LITTLE,            /* Target headers byte order (little).  */
 472   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 473    HAS_LINENO | HAS_DEBUG |
 474    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
 475   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
 476   MY_symbol_leading_char,
 477   AR_PAD_CHAR,                  /* AR_pad_char.  */
 478   15,                           /* AR_max_namelen.  */
 479   0,                            /* match priority.  */
 480   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 481   bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 482   bfd_getl16, bfd_getl_signed_16, bfd_putl16,   /* Data.  */
 483   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 484   bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 485   bfd_getl16, bfd_getl_signed_16, bfd_putl16,   /* Headers.  */
 486   {_bfd_dummy_target, MY_object_p,              /* bfd_check_format.  */
 487    bfd_generic_archive_p, MY_core_file_p},
 488   {bfd_false, MY_mkobject,                      /* bfd_set_format.  */
 489    _bfd_generic_mkarchive, bfd_false},
 490   {bfd_false, MY_write_object_contents,         /* bfd_write_contents.  */
 491    _bfd_write_archive_contents, bfd_false},
 492
 493   BFD_JUMP_TABLE_GENERIC (MY),
 494   BFD_JUMP_TABLE_COPY (MY),
 495   BFD_JUMP_TABLE_CORE (MY),
 496   BFD_JUMP_TABLE_ARCHIVE (MY),
 497   BFD_JUMP_TABLE_SYMBOLS (MY),
 498   BFD_JUMP_TABLE_RELOCS (MY),
 499   BFD_JUMP_TABLE_WRITE (MY),
 500   BFD_JUMP_TABLE_LINK (MY),
 501   BFD_JUMP_TABLE_DYNAMIC (MY),
 502
 503   & arm_aout_be_vec,
 504
 505   (void *) MY_backend_data,
 506 };
 507
 508 const bfd_target arm_aout_be_vec =
 509 {
 510   "a.out-arm-big",              /* Name.  */
 511   bfd_target_aout_flavour,
 512   BFD_ENDIAN_BIG,               /* Target byte order (big).  */
 513   BFD_ENDIAN_BIG,               /* Target headers byte order (big).  */
 514   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 515    HAS_LINENO | HAS_DEBUG |
 516    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
 517   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
 518   MY_symbol_leading_char,
 519   AR_PAD_CHAR,                  /* AR_pad_char.  */
 520   15,                           /* AR_max_namelen.  */
 521   0,                            /* match priority.  */
 522   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 523   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 524   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Data.  */
 525   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 526   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 527   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Headers.  */
 528   {_bfd_dummy_target, MY_object_p,              /* bfd_check_format.  */
 529    bfd_generic_archive_p, MY_core_file_p},
 530   {bfd_false, MY_mkobject,                      /* bfd_set_format.  */
 531    _bfd_generic_mkarchive, bfd_false},
 532   {bfd_false, MY_write_object_contents,         /* bfd_write_contents.  */
 533    _bfd_write_archive_contents, bfd_false},
 534
 535   BFD_JUMP_TABLE_GENERIC (MY),
 536   BFD_JUMP_TABLE_COPY (MY),
 537   BFD_JUMP_TABLE_CORE (MY),
 538   BFD_JUMP_TABLE_ARCHIVE (MY),
 539   BFD_JUMP_TABLE_SYMBOLS (MY),
 540   BFD_JUMP_TABLE_RELOCS (MY),
 541   BFD_JUMP_TABLE_WRITE (MY),
 542   BFD_JUMP_TABLE_LINK (MY),
 543   BFD_JUMP_TABLE_DYNAMIC (MY),
 544
 545   & arm_aout_le_vec,
 546
 547   (void *) MY_backend_data,
 548 };