bfd/aout-arm.c

   1 /* BFD back-end for raw ARM a.out binaries.
   2    Copyright (C) 1994, 1995 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 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
  22 #define N_TXTADDR(x) \
  23   ((N_MAGIC(x) == NMAGIC) ? 0x8000 : \
  24    (N_MAGIC(x) != ZMAGIC) ? 0 : \
  25    (N_SHARED_LIB(x)) ? ((x).a_entry & ~(TARGET_PAGE_SIZE - 1)) : \
  26    TEXT_START_ADDR)
  27
  28 #define TEXT_START_ADDR 0x8000
  29 #define TARGET_PAGE_SIZE 0x8000
  30 #define SEGMENT_SIZE TARGET_PAGE_SIZE
  31 #define DEFAULT_ARCH bfd_arch_arm
  32
  33 #define MY(OP) CAT(aoutarm_,OP)
  34 #define N_BADMAG(x) ((((x).a_info & ~007200) != ZMAGIC) && \
  35                      (((x).a_info & ~006000) != OMAGIC) && \
  36                      ((x).a_info != NMAGIC))
  37 #define N_MAGIC(x) ((x).a_info & ~07200)
  38
  39 #include "bfd.h"
  40 #include "sysdep.h"
  41 #include "assert.h"
  42
  43 #define MYARM(OP) CAT(aoutarm_,OP)
  44 reloc_howto_type        *MYARM(bfd_reloc_type_lookup)
  45                                 PARAMS((bfd *, bfd_reloc_code_real_type));
  46 static boolean          MYARM(write_object_contents)    PARAMS((bfd *));
  47
  48 /* Avoid multiple defininitions from aoutx if supporting standarad a.out
  49    as well as our own.  */
  50 #define NAME(x,y) CAT3(aoutarm,_32_,y)
  51
  52 #define MY_bfd_reloc_type_lookup aoutarm_bfd_reloc_type_lookup
  53
  54 #include "libaout.h"
  55 #include "aout/aout64.h"
  56
  57 static bfd_reloc_status_type
  58 MY(fix_pcrel_26_done)   PARAMS ((bfd *, arelent *, asymbol *, PTR,
  59                                  asection *, bfd *, char **));
  60
  61 static bfd_reloc_status_type
  62 MY(fix_pcrel_26)         PARAMS ((bfd *, arelent *, asymbol *, PTR,
  63                                   asection *, bfd *, char **));
  64 static void MY(swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *,
  65                                            arelent *, asymbol **,
  66                                            bfd_size_type));
  67 void MY(swap_std_reloc_out) PARAMS ((bfd *, arelent *,
  68                                      struct reloc_std_external *));
  69
  70 reloc_howto_type MY(howto_table)[] =
  71 {
  72   /* type rs size bsz pcrel bitpos ovrf sf name part_inpl readmask setmask
  73      pcdone */
  74   HOWTO (0, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", true,
  75          0x000000ff, 0x000000ff, false),
  76   HOWTO (1, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", true,
  77          0x0000ffff, 0x0000ffff, false),
  78   HOWTO (2, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", true,
  79          0xffffffff, 0xffffffff, false),
  80   HOWTO (3, 2, 2, 26, true, 0, complain_overflow_signed, MY(fix_pcrel_26),
  81          "ARM26", true, 0x00ffffff, 0x00ffffff, true),
  82   HOWTO (4, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", true,
  83          0x000000ff, 0x000000ff, true),
  84   HOWTO (5, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", true,
  85          0x0000ffff, 0x0000ffff, true),
  86   HOWTO (6, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", true,
  87          0xffffffff, 0xffffffff, true),
  88   HOWTO (7, 2, 2, 26, false, 0, complain_overflow_signed,
  89          MY(fix_pcrel_26_done), "ARM26D", true, 0x0, 0x0,
  90          false),
  91   {-1},
  92   HOWTO (9, 0, -1, 16, false, 0, complain_overflow_bitfield, 0, "NEG16", true,
  93          0x0000ffff, 0x0000ffff, false),
  94   HOWTO (10, 0, -2, 32, false, 0, complain_overflow_bitfield, 0, "NEG32", true,
  95          0xffffffff, 0xffffffff, false)
  96 };
  97
  98 #define RELOC_ARM_BITS_NEG_BIG      ((unsigned int) 0x08)
  99 #define RELOC_ARM_BITS_NEG_LITTLE   ((unsigned int) 0x10)
 100
 101 reloc_howto_type *
 102 MY(reloc_howto)(abfd, rel, r_index, r_extern, r_pcrel)
 103      bfd *abfd;
 104      struct reloc_std_external *rel;
 105      int *r_index;
 106      int *r_extern;
 107      int *r_pcrel;
 108 {
 109   unsigned int r_length;
 110   unsigned int r_pcrel_done;
 111   unsigned int r_neg;
 112   int index;
 113
 114   *r_pcrel = 0;
 115   if (abfd->xvec->header_byteorder_big_p)
 116     {
 117       *r_index     =  ((rel->r_index[0] << 16)
 118                        | (rel->r_index[1] << 8)
 119                        | rel->r_index[2]);
 120       *r_extern    = (0 != (rel->r_type[0] & RELOC_STD_BITS_EXTERN_BIG));
 121       r_pcrel_done = (0 != (rel->r_type[0] & RELOC_STD_BITS_PCREL_BIG));
 122       r_neg        = (0 != (rel->r_type[0] & RELOC_ARM_BITS_NEG_BIG));
 123       r_length     = ((rel->r_type[0] & RELOC_STD_BITS_LENGTH_BIG)
 124                       >> RELOC_STD_BITS_LENGTH_SH_BIG);
 125     }
 126   else
 127     {
 128       *r_index     = ((rel->r_index[2] << 16)
 129                       | (rel->r_index[1] << 8)
 130                       | rel->r_index[0]);
 131       *r_extern    = (0 != (rel->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE));
 132       r_pcrel_done = (0 != (rel->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE));
 133       r_neg        = (0 != (rel->r_type[0] & RELOC_ARM_BITS_NEG_LITTLE));
 134       r_length     = ((rel->r_type[0] & RELOC_STD_BITS_LENGTH_LITTLE)
 135                       >> RELOC_STD_BITS_LENGTH_SH_LITTLE);
 136     }
 137   index = r_length + 4 * r_pcrel_done + 8 * r_neg;
 138   if (index == 3)
 139     *r_pcrel = 1;
 140
 141   return MY(howto_table) + index;
 142 }
 143
 144 #define MY_reloc_howto(BFD, REL, IN, EX, PC) \
 145         MY(reloc_howto) (BFD, REL, &IN, &EX, &PC)
 146
 147 void
 148 MY(put_reloc)(abfd, r_extern, r_index, value, howto, reloc)
 149      bfd *abfd;
 150      int r_extern;
 151      int r_index;
 152      long value;
 153      reloc_howto_type *howto;
 154      struct reloc_std_external *reloc;
 155 {
 156   unsigned int r_length;
 157   int r_pcrel;
 158   int r_neg;
 159
 160   PUT_WORD (abfd, value, reloc->r_address);
 161   r_length = howto->size ;      /* Size as a power of two */
 162
 163   /* Special case for branch relocations. */
 164   if (howto->type == 3 || howto->type == 7)
 165     r_length = 3;
 166
 167   r_pcrel  = howto->type & 4;   /* PC Relative done? */
 168   r_neg = howto->type & 8;      /* Negative relocation */
 169   if (abfd->xvec->header_byteorder_big_p)
 170     {
 171       reloc->r_index[0] = r_index >> 16;
 172       reloc->r_index[1] = r_index >> 8;
 173       reloc->r_index[2] = r_index;
 174       reloc->r_type[0] =
 175         ((r_extern ?     RELOC_STD_BITS_EXTERN_BIG : 0)
 176          | (r_pcrel ?    RELOC_STD_BITS_PCREL_BIG : 0)
 177          | (r_neg ?      RELOC_ARM_BITS_NEG_BIG : 0)
 178          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_BIG));
 179     }
 180   else
 181     {
 182       reloc->r_index[2] = r_index >> 16;
 183       reloc->r_index[1] = r_index >> 8;
 184       reloc->r_index[0] = r_index;
 185       reloc->r_type[0] =
 186         ((r_extern ?     RELOC_STD_BITS_EXTERN_LITTLE : 0)
 187          | (r_pcrel ?    RELOC_STD_BITS_PCREL_LITTLE : 0)
 188          | (r_neg ?      RELOC_ARM_BITS_NEG_LITTLE : 0)
 189          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_LITTLE));
 190     }
 191 }
 192
 193 #define MY_put_reloc(BFD, EXT, IDX, VAL, HOWTO, RELOC) \
 194   MY(put_reloc)(BFD, EXT, IDX, VAL, HOWTO, RELOC)
 195
 196 void
 197 MY(relocatable_reloc)(howto, abfd, reloc, amount, r_addr)
 198      reloc_howto_type *howto;
 199      bfd *abfd;
 200      struct reloc_std_external *reloc;
 201      bfd_vma *amount;
 202      bfd_vma r_addr;
 203 {
 204   if (howto->type == 3)
 205     {
 206       if (reloc->r_type[0]
 207           & (abfd->xvec->header_byteorder_big_p
 208              ? RELOC_STD_BITS_EXTERN_BIG : RELOC_STD_BITS_EXTERN_LITTLE))
 209         {
 210           /* The reloc is still external, so don't modify anything. */
 211           *amount = 0;
 212         }
 213       else
 214         {
 215           *amount -= r_addr;
 216           /* Change the r_pcrel value -- on the ARM, this bit is set once the
 217              relocation is done.  */
 218           if (abfd->xvec->header_byteorder_big_p)
 219             reloc->r_type[0] |= RELOC_STD_BITS_PCREL_BIG;
 220           else
 221             reloc->r_type[0] |= RELOC_STD_BITS_PCREL_LITTLE;
 222         }
 223     }
 224   else if (howto->type == 7)
 225     *amount = 0;
 226 }
 227
 228 #define MY_relocatable_reloc(HOW, BFD, REL, AMOUNT, ADDR) \
 229   MY(relocatable_reloc)(HOW, BFD, REL, &(AMOUNT), ADDR)
 230
 231 static bfd_reloc_status_type
 232 MY(fix_pcrel_26_done) (abfd, reloc_entry, symbol, data, input_section,
 233                        output_bfd, error_message)
 234      bfd *abfd;
 235      arelent *reloc_entry;
 236      asymbol *symbol;
 237      PTR data;
 238      asection *input_section;
 239      bfd *output_bfd;
 240      char **error_message;
 241 {
 242   /* This is dead simple at present.  */
 243   return bfd_reloc_ok;
 244 }
 245
 246 static bfd_reloc_status_type
 247 MY(fix_pcrel_26) (abfd, reloc_entry, symbol, data, input_section,
 248                   output_bfd, error_message)
 249      bfd *abfd;
 250      arelent *reloc_entry;
 251      asymbol *symbol;
 252      PTR data;
 253      asection *input_section;
 254      bfd *output_bfd;
 255      char **error_message;
 256 {
 257   bfd_vma relocation;
 258   bfd_size_type addr = reloc_entry->address;
 259   long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
 260   bfd_reloc_status_type flag = bfd_reloc_ok;
 261
 262   /* If this is an undefined symbol, return error */
 263   if (symbol->section == &bfd_und_section
 264       && (symbol->flags & BSF_WEAK) == 0)
 265     return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
 266
 267   /* If the sections are different, and we are doing a partial relocation,
 268      just ignore it for now.  */
 269   if (symbol->section->name != input_section->name
 270       && output_bfd != (bfd *)NULL)
 271     return bfd_reloc_ok;
 272
 273   relocation = (target & 0x00ffffff) << 2;
 274   relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend */
 275   relocation += symbol->value;
 276   relocation += symbol->section->output_section->vma;
 277   relocation += symbol->section->output_offset;
 278   relocation += reloc_entry->addend;
 279   relocation -= input_section->output_section->vma;
 280   relocation -= input_section->output_offset;
 281   relocation -= addr;
 282   if (relocation & 3)
 283     return bfd_reloc_overflow;
 284
 285   /* Check for overflow */
 286   if (relocation & 0x02000000)
 287     {
 288       if ((relocation & ~0x03ffffff) != ~0x03ffffff)
 289         flag = bfd_reloc_overflow;
 290     }
 291   else if (relocation & ~0x03ffffff)
 292     flag = bfd_reloc_overflow;
 293
 294   target &= ~0x00ffffff;
 295   target |= (relocation >> 2) & 0x00ffffff;
 296   bfd_put_32 (abfd, target, (bfd_byte *) data + addr);
 297
 298   /* Now the ARM magic... Change the reloc type so that it is marked as done.
 299      Strictly this is only necessary if we are doing a partial relocation.  */
 300   reloc_entry->howto = &MY(howto_table)[7];
 301
 302   return flag;
 303 }
 304
 305 reloc_howto_type *
 306 MY(bfd_reloc_type_lookup)(abfd,code)
 307      bfd *abfd;
 308      bfd_reloc_code_real_type code;
 309 {
 310 #define ASTD(i,j)       case i: return &MY(howto_table)[j]
 311   if (code == BFD_RELOC_CTOR)
 312     switch (bfd_get_arch_info (abfd)->bits_per_address)
 313       {
 314       case 32:
 315         code = BFD_RELOC_32;
 316         break;
 317       default: return (CONST struct reloc_howto_struct *) 0;
 318       }
 319
 320   switch (code)
 321     {
 322       ASTD (BFD_RELOC_16, 1);
 323       ASTD (BFD_RELOC_32, 2);
 324       ASTD (BFD_RELOC_ARM_PCREL_BRANCH, 3);
 325       ASTD (BFD_RELOC_8_PCREL, 4);
 326       ASTD (BFD_RELOC_16_PCREL, 5);
 327       ASTD (BFD_RELOC_32_PCREL, 6);
 328     default: return (CONST struct reloc_howto_struct *) 0;
 329     }
 330 }
 331
 332 #define MY_swap_std_reloc_in MY(swap_std_reloc_in)
 333 #define MY_swap_std_reloc_out MY(swap_std_reloc_out)
 334 #define MY_get_section_contents _bfd_generic_get_section_contents
 335 /* #define MY_bfd_link_hash_table_create _bfd_generic_link_hash_table_create */
 336 /* #define MY_bfd_link_add_symbols _bfd_generic_link_add_symbols */
 337 /* #define MY_bfd_final_link _bfd_generic_final_link */
 338
 339 #include "aoutx.h"
 340
 341 static void
 342 MY_swap_std_reloc_in (abfd, bytes, cache_ptr, symbols, symcount)
 343      bfd *abfd;
 344      struct reloc_std_external *bytes;
 345      arelent *cache_ptr;
 346      asymbol **symbols;
 347      bfd_size_type symcount;
 348 {
 349   int r_index;
 350   int r_extern;
 351   unsigned int r_length;
 352   int r_pcrel;
 353   struct aoutdata *su = &(abfd->tdata.aout_data->a);
 354
 355   cache_ptr->address = bfd_h_get_32 (abfd, bytes->r_address);
 356
 357   cache_ptr->howto = MY_reloc_howto (abfd, bytes, r_index, r_extern, r_pcrel);
 358
 359   MOVE_ADDRESS (0);
 360 }
 361
 362 void
 363 MY_swap_std_reloc_out (abfd, g, natptr)
 364      bfd *abfd;
 365      arelent *g;
 366      struct reloc_std_external *natptr;
 367 {
 368   int r_index;
 369   asymbol *sym = *(g->sym_ptr_ptr);
 370   int r_extern;
 371   int r_length;
 372   int r_pcrel;
 373   int r_neg = 0;        /* Negative relocs use the BASEREL bit.  */
 374   asection *output_section = sym->section->output_section;
 375
 376   PUT_WORD(abfd, g->address, natptr->r_address);
 377
 378   r_length = g->howto->size ;   /* Size as a power of two */
 379   if (r_length < 0)
 380     {
 381       r_length = -r_length;
 382       r_neg = 1;
 383     }
 384
 385   r_pcrel  = (int) g->howto->pc_relative; /* Relative to PC? */
 386
 387   /* For RISC iX, in pc-relative relocs the r_pcrel bit means that the
 388      relocation has been done already (Only for the 26-bit one I think)???!!!
 389      */
 390
 391   if (g->howto->type == 3)
 392     {
 393       r_length = 3;
 394       r_pcrel = 0;
 395     }
 396   else if (g->howto->type == 7)
 397     {
 398       r_length = 3;
 399       r_pcrel = 1;
 400     }
 401
 402
 403 #if 0
 404   /* For a standard reloc, the addend is in the object file.  */
 405   r_addend = g->addend + (*(g->sym_ptr_ptr))->section->output_section->vma;
 406 #endif
 407
 408   /* name was clobbered by aout_write_syms to be symbol index */
 409
 410   /* If this relocation is relative to a symbol then set the
 411      r_index to the symbols index, and the r_extern bit.
 412
 413      Absolute symbols can come in in two ways, either as an offset
 414      from the abs section, or as a symbol which has an abs value.
 415      check for that here
 416      */
 417
 418   if (bfd_is_com_section (output_section)
 419       || output_section == &bfd_abs_section
 420       || output_section == &bfd_und_section)
 421     {
 422       if (bfd_abs_section.symbol == sym)
 423         {
 424           /* Whoops, looked like an abs symbol, but is really an offset
 425              from the abs section */
 426           r_index = 0;
 427           r_extern = 0;
 428         }
 429       else
 430         {
 431           /* Fill in symbol */
 432           r_extern = 1;
 433           r_index = (*(g->sym_ptr_ptr))->KEEPIT;
 434         }
 435     }
 436   else
 437     {
 438       /* Just an ordinary section */
 439       r_extern = 0;
 440       r_index  = output_section->target_index;
 441     }
 442
 443   /* now the fun stuff */
 444   if (abfd->xvec->header_byteorder_big_p != false)
 445     {
 446       natptr->r_index[0] = r_index >> 16;
 447       natptr->r_index[1] = r_index >> 8;
 448       natptr->r_index[2] = r_index;
 449       natptr->r_type[0] =
 450         (  (r_extern ?   RELOC_STD_BITS_EXTERN_BIG: 0)
 451          | (r_pcrel  ?   RELOC_STD_BITS_PCREL_BIG: 0)
 452          | (r_neg    ?   RELOC_ARM_BITS_NEG_BIG: 0)
 453          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_BIG));
 454     }
 455   else
 456     {
 457       natptr->r_index[2] = r_index >> 16;
 458       natptr->r_index[1] = r_index >> 8;
 459       natptr->r_index[0] = r_index;
 460       natptr->r_type[0] =
 461         (  (r_extern ?   RELOC_STD_BITS_EXTERN_LITTLE: 0)
 462          | (r_pcrel  ?   RELOC_STD_BITS_PCREL_LITTLE: 0)
 463          | (r_neg    ?   RELOC_ARM_BITS_NEG_LITTLE: 0)
 464          | (r_length <<  RELOC_STD_BITS_LENGTH_SH_LITTLE));
 465     }
 466 }
 467
 468 #define MY_BFD_TARGET
 469
 470 #include "aout-target.h"
 471
 472 const bfd_target aout_arm_little_vec =
 473 {
 474   "a.out-arm-little",           /* name */
 475   bfd_target_aout_flavour,
 476   false,                        /* target byte order (little) */
 477   false,                        /* target headers byte order (little) */
 478   (HAS_RELOC | EXEC_P |         /* object flags */
 479    HAS_LINENO | HAS_DEBUG |
 480    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
 481   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
 482   MY_symbol_leading_char,
 483   AR_PAD_CHAR,                  /* ar_pad_char */
 484   15,                           /* ar_max_namelen */
 485   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 486      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 487      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
 488   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 489      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 490      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
 491     {_bfd_dummy_target, MY_object_p, /* bfd_check_format */
 492        bfd_generic_archive_p, MY_core_file_p},
 493     {bfd_false, MY_mkobject,    /* bfd_set_format */
 494        _bfd_generic_mkarchive, bfd_false},
 495     {bfd_false, MY_write_object_contents, /* bfd_write_contents */
 496        _bfd_write_archive_contents, bfd_false},
 497
 498      BFD_JUMP_TABLE_GENERIC (MY),
 499      BFD_JUMP_TABLE_COPY (MY),
 500      BFD_JUMP_TABLE_CORE (MY),
 501      BFD_JUMP_TABLE_ARCHIVE (MY),
 502      BFD_JUMP_TABLE_SYMBOLS (MY),
 503      BFD_JUMP_TABLE_RELOCS (MY),
 504      BFD_JUMP_TABLE_WRITE (MY),
 505      BFD_JUMP_TABLE_LINK (MY),
 506      BFD_JUMP_TABLE_DYNAMIC (MY),
 507
 508   (PTR) MY_backend_data,
 509 };
 510
 511 const bfd_target aout_arm_big_vec =
 512 {
 513   "a.out-arm-big",           /* name */
 514   bfd_target_aout_flavour,
 515   true,                         /* target byte order (big) */
 516   true,                         /* target headers byte order (big) */
 517   (HAS_RELOC | EXEC_P |         /* object flags */
 518    HAS_LINENO | HAS_DEBUG |
 519    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
 520   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
 521   MY_symbol_leading_char,
 522   AR_PAD_CHAR,                  /* ar_pad_char */
 523   15,                           /* ar_max_namelen */
 524   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 525      bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 526      bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
 527   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 528      bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 529      bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
 530     {_bfd_dummy_target, MY_object_p, /* bfd_check_format */
 531        bfd_generic_archive_p, MY_core_file_p},
 532     {bfd_false, MY_mkobject,    /* bfd_set_format */
 533        _bfd_generic_mkarchive, bfd_false},
 534     {bfd_false, MY_write_object_contents, /* bfd_write_contents */
 535        _bfd_write_archive_contents, bfd_false},
 536
 537      BFD_JUMP_TABLE_GENERIC (MY),
 538      BFD_JUMP_TABLE_COPY (MY),
 539      BFD_JUMP_TABLE_CORE (MY),
 540      BFD_JUMP_TABLE_ARCHIVE (MY),
 541      BFD_JUMP_TABLE_SYMBOLS (MY),
 542      BFD_JUMP_TABLE_RELOCS (MY),
 543      BFD_JUMP_TABLE_WRITE (MY),
 544      BFD_JUMP_TABLE_LINK (MY),
 545      BFD_JUMP_TABLE_DYNAMIC (MY),
 546
 547   (PTR) MY_backend_data,
 548 };