* elf-bfd.h (struct elf_backend_data):
[external/binutils.git] / bfd / elfxx-target.h
1 /* Target definitions for NN-bit ELF
2    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
3    Free Software Foundation, Inc.
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 /* This structure contains everything that BFD knows about a target.
22    It includes things like its byte order, name, what routines to call
23    to do various operations, etc.  Every BFD points to a target structure
24    with its "xvec" member.
25
26    There are two such structures here:  one for big-endian machines and
27    one for little-endian machines.   */
28
29 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
30 #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
31 #ifndef bfd_elfNN_get_section_contents
32 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
33 #endif
34
35 #define bfd_elfNN_canonicalize_dynamic_symtab _bfd_elf_canonicalize_dynamic_symtab
36 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
37 #ifndef bfd_elfNN_find_nearest_line
38 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
39 #endif
40 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
41 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
42 #define bfd_elfNN_get_dynamic_symtab_upper_bound _bfd_elf_get_dynamic_symtab_upper_bound
43 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
44 #ifndef bfd_elfNN_get_reloc_upper_bound
45 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
46 #endif
47 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
48 #define bfd_elfNN_get_symtab            _bfd_elf_get_symtab
49 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
50 #if 0 /* done in elf-bfd.h */
51 #define bfd_elfNN_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
52 #endif
53 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
54 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
55 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
56 #ifndef bfd_elfNN_set_section_contents
57 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
58 #endif
59 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
60 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
61 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
62
63 #define bfd_elfNN_get_section_contents_in_window \
64   _bfd_generic_get_section_contents_in_window
65
66 #ifndef elf_backend_got_symbol_offset
67 #define elf_backend_got_symbol_offset (bfd_vma) 0
68 #endif
69 #ifndef elf_backend_want_got_plt
70 #define elf_backend_want_got_plt 0
71 #endif
72 #ifndef elf_backend_plt_readonly
73 #define elf_backend_plt_readonly 0
74 #endif
75 #ifndef elf_backend_want_plt_sym
76 #define elf_backend_want_plt_sym 0
77 #endif
78 #ifndef elf_backend_plt_not_loaded
79 #define elf_backend_plt_not_loaded 0
80 #endif
81 #ifndef elf_backend_plt_alignment
82 #define elf_backend_plt_alignment 2
83 #endif
84 #ifndef elf_backend_want_dynbss
85 #define elf_backend_want_dynbss 1
86 #endif
87
88 #define bfd_elfNN_bfd_debug_info_start  bfd_void
89 #define bfd_elfNN_bfd_debug_info_end    bfd_void
90 #define bfd_elfNN_bfd_debug_info_accumulate     (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
91
92 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
93 #define bfd_elfNN_bfd_get_relocated_section_contents \
94  bfd_generic_get_relocated_section_contents
95 #endif
96
97 #ifndef bfd_elfNN_bfd_relax_section
98 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
99 #endif
100
101 #ifndef elf_backend_can_gc_sections
102 #define elf_backend_can_gc_sections 0
103 #endif
104 #ifndef elf_backend_gc_mark_hook
105 #define elf_backend_gc_mark_hook        NULL
106 #endif
107 #ifndef elf_backend_gc_sweep_hook
108 #define elf_backend_gc_sweep_hook       NULL
109 #endif
110 #ifndef bfd_elfNN_bfd_gc_sections
111 #define bfd_elfNN_bfd_gc_sections _bfd_elfNN_gc_sections
112 #endif
113
114 #ifndef bfd_elfNN_bfd_merge_sections
115 #define bfd_elfNN_bfd_merge_sections \
116   _bfd_elf_merge_sections
117 #endif
118
119 #ifndef bfd_elfNN_bfd_make_debug_symbol
120 #define bfd_elfNN_bfd_make_debug_symbol \
121   ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
122 #endif
123
124 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
125 #define bfd_elfNN_bfd_copy_private_symbol_data \
126   _bfd_elf_copy_private_symbol_data
127 #endif
128
129 #ifndef bfd_elfNN_bfd_copy_private_section_data
130 #define bfd_elfNN_bfd_copy_private_section_data \
131   _bfd_elf_copy_private_section_data
132 #endif
133 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
134 #define bfd_elfNN_bfd_copy_private_bfd_data \
135   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
136 #endif
137 #ifndef bfd_elfNN_bfd_print_private_bfd_data
138 #define bfd_elfNN_bfd_print_private_bfd_data \
139   _bfd_elf_print_private_bfd_data
140 #endif
141 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
142 #define bfd_elfNN_bfd_merge_private_bfd_data \
143   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
144 #endif
145 #ifndef bfd_elfNN_bfd_set_private_flags
146 #define bfd_elfNN_bfd_set_private_flags \
147   ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
148 #endif
149 #ifndef bfd_elfNN_bfd_is_local_label_name
150 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
151 #endif
152
153 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
154 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
155   _bfd_elf_get_dynamic_reloc_upper_bound
156 #endif
157 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
158 #define bfd_elfNN_canonicalize_dynamic_reloc \
159   _bfd_elf_canonicalize_dynamic_reloc
160 #endif
161
162 #ifdef elf_backend_relocate_section
163 #ifndef bfd_elfNN_bfd_link_hash_table_create
164 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
165 #endif
166 #else /* ! defined (elf_backend_relocate_section) */
167 /* If no backend relocate_section routine, use the generic linker.  */
168 #ifndef bfd_elfNN_bfd_link_hash_table_create
169 #define bfd_elfNN_bfd_link_hash_table_create \
170   _bfd_generic_link_hash_table_create
171 #endif
172 #ifndef bfd_elfNN_bfd_link_add_symbols
173 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
174 #endif
175 #ifndef bfd_elfNN_bfd_final_link
176 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
177 #endif
178 #endif /* ! defined (elf_backend_relocate_section) */
179 #ifndef bfd_elfNN_bfd_link_split_section
180 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
181 #endif
182
183 #ifndef bfd_elfNN_archive_p
184 #define bfd_elfNN_archive_p bfd_generic_archive_p
185 #endif
186
187 #ifndef bfd_elfNN_write_archive_contents
188 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
189 #endif
190
191 #ifndef bfd_elfNN_mkobject
192 #define bfd_elfNN_mkobject bfd_elf_mkobject
193 #endif
194
195 #ifndef bfd_elfNN_mkcorefile
196 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
197 #endif
198
199 #ifndef bfd_elfNN_mkarchive
200 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
201 #endif
202
203 #ifndef elf_symbol_leading_char
204 #define elf_symbol_leading_char 0
205 #endif
206
207 #ifndef elf_info_to_howto
208 #define elf_info_to_howto 0
209 #endif
210
211 #ifndef elf_info_to_howto_rel
212 #define elf_info_to_howto_rel 0
213 #endif
214
215 #ifndef ELF_MAXPAGESIZE
216   #error ELF_MAXPAGESIZE is not defined
217 #define ELF_MAXPAGESIZE 1
218 #endif
219
220 #ifndef elf_backend_collect
221 #define elf_backend_collect false
222 #endif
223 #ifndef elf_backend_type_change_ok
224 #define elf_backend_type_change_ok false
225 #endif
226
227 #ifndef elf_backend_sym_is_global
228 #define elf_backend_sym_is_global       0
229 #endif
230 #ifndef elf_backend_object_p
231 #define elf_backend_object_p            0
232 #endif
233 #ifndef elf_backend_symbol_processing
234 #define elf_backend_symbol_processing   0
235 #endif
236 #ifndef elf_backend_symbol_table_processing
237 #define elf_backend_symbol_table_processing     0
238 #endif
239 #ifndef elf_backend_get_symbol_type
240 #define elf_backend_get_symbol_type 0
241 #endif
242 #ifndef elf_backend_section_processing
243 #define elf_backend_section_processing  0
244 #endif
245 #ifndef elf_backend_section_from_shdr
246 #define elf_backend_section_from_shdr   0
247 #endif
248 #ifndef elf_backend_section_flags
249 #define elf_backend_section_flags       0
250 #endif
251 #ifndef elf_backend_section_from_phdr
252 #define elf_backend_section_from_phdr   0
253 #endif
254 #ifndef elf_backend_fake_sections
255 #define elf_backend_fake_sections       0
256 #endif
257 #ifndef elf_backend_section_from_bfd_section
258 #define elf_backend_section_from_bfd_section    0
259 #endif
260 #ifndef elf_backend_add_symbol_hook
261 #define elf_backend_add_symbol_hook     0
262 #endif
263 #ifndef elf_backend_link_output_symbol_hook
264 #define elf_backend_link_output_symbol_hook 0
265 #endif
266 #ifndef elf_backend_create_dynamic_sections
267 #define elf_backend_create_dynamic_sections 0
268 #endif
269 #ifndef elf_backend_check_relocs
270 #define elf_backend_check_relocs        0
271 #endif
272 #ifndef elf_backend_adjust_dynamic_symbol
273 #define elf_backend_adjust_dynamic_symbol 0
274 #endif
275 #ifndef elf_backend_always_size_sections
276 #define elf_backend_always_size_sections 0
277 #endif
278 #ifndef elf_backend_size_dynamic_sections
279 #define elf_backend_size_dynamic_sections 0
280 #endif
281 #ifndef elf_backend_relocate_section
282 #define elf_backend_relocate_section    0
283 #endif
284 #ifndef elf_backend_finish_dynamic_symbol
285 #define elf_backend_finish_dynamic_symbol       0
286 #endif
287 #ifndef elf_backend_finish_dynamic_sections
288 #define elf_backend_finish_dynamic_sections     0
289 #endif
290 #ifndef elf_backend_begin_write_processing
291 #define elf_backend_begin_write_processing      0
292 #endif
293 #ifndef elf_backend_final_write_processing
294 #define elf_backend_final_write_processing      0
295 #endif
296 #ifndef elf_backend_additional_program_headers
297 #define elf_backend_additional_program_headers  0
298 #endif
299 #ifndef elf_backend_modify_segment_map
300 #define elf_backend_modify_segment_map  0
301 #endif
302 #ifndef elf_backend_ecoff_debug_swap
303 #define elf_backend_ecoff_debug_swap    0
304 #endif
305 #ifndef elf_backend_got_header_size
306 #define elf_backend_got_header_size     0
307 #endif
308 #ifndef elf_backend_plt_header_size
309 #define elf_backend_plt_header_size     0
310 #endif
311 #ifndef elf_backend_post_process_headers
312 #define elf_backend_post_process_headers        NULL
313 #endif
314 #ifndef elf_backend_print_symbol_all
315 #define elf_backend_print_symbol_all            NULL
316 #endif
317 #ifndef elf_backend_output_arch_syms
318 #define elf_backend_output_arch_syms            NULL
319 #endif
320 #ifndef elf_backend_copy_indirect_symbol
321 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
322 #endif
323 #ifndef elf_backend_hide_symbol
324 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
325 #endif
326 #ifndef elf_backend_emit_relocs
327 #define elf_backend_emit_relocs                 NULL
328 #endif
329 #ifndef elf_backend_count_relocs
330 #define elf_backend_count_relocs                NULL
331 #endif
332
333 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
334    sections, but not both.  They defined USE_REL to indicate SHT_REL
335    sections, and left it undefined to indicated SHT_RELA sections.
336    For backwards compatibility, we still support this usage.  */
337 #ifndef USE_REL
338 #define USE_REL 0
339 #else
340 #undef USE_REL
341 #define USE_REL 1
342 #endif
343
344 /* Use these in new code.  */
345 #ifndef elf_backend_may_use_rel_p
346 #define elf_backend_may_use_rel_p USE_REL
347 #endif
348 #ifndef elf_backend_may_use_rela_p
349 #define elf_backend_may_use_rela_p !USE_REL
350 #endif
351 #ifndef elf_backend_default_use_rela_p
352 #define elf_backend_default_use_rela_p !USE_REL
353 #endif
354
355 #ifndef ELF_MACHINE_ALT1
356 #define ELF_MACHINE_ALT1 0
357 #endif
358
359 #ifndef ELF_MACHINE_ALT2
360 #define ELF_MACHINE_ALT2 0
361 #endif
362
363 #ifndef elf_backend_size_info
364 #define elf_backend_size_info _bfd_elfNN_size_info
365 #endif
366
367 #ifndef elf_backend_sign_extend_vma
368 #define elf_backend_sign_extend_vma 0
369 #endif
370
371 extern const struct elf_size_info _bfd_elfNN_size_info;
372
373 #ifndef INCLUDED_TARGET_FILE
374 static CONST struct elf_backend_data elfNN_bed =
375 {
376   ELF_ARCH,                     /* arch */
377   ELF_MACHINE_CODE,             /* elf_machine_code */
378   ELF_MAXPAGESIZE,              /* maxpagesize */
379   elf_info_to_howto,
380   elf_info_to_howto_rel,
381   elf_backend_sym_is_global,
382   elf_backend_object_p,
383   elf_backend_symbol_processing,
384   elf_backend_symbol_table_processing,
385   elf_backend_get_symbol_type,
386   elf_backend_section_processing,
387   elf_backend_section_from_shdr,
388   elf_backend_section_flags,
389   elf_backend_section_from_phdr,
390   elf_backend_fake_sections,
391   elf_backend_section_from_bfd_section,
392   elf_backend_add_symbol_hook,
393   elf_backend_link_output_symbol_hook,
394   elf_backend_create_dynamic_sections,
395   elf_backend_check_relocs,
396   elf_backend_adjust_dynamic_symbol,
397   elf_backend_always_size_sections,
398   elf_backend_size_dynamic_sections,
399   elf_backend_relocate_section,
400   elf_backend_finish_dynamic_symbol,
401   elf_backend_finish_dynamic_sections,
402   elf_backend_begin_write_processing,
403   elf_backend_final_write_processing,
404   elf_backend_additional_program_headers,
405   elf_backend_modify_segment_map,
406   elf_backend_gc_mark_hook,
407   elf_backend_gc_sweep_hook,
408   elf_backend_post_process_headers,
409   elf_backend_print_symbol_all,
410   elf_backend_output_arch_syms,
411   elf_backend_copy_indirect_symbol,
412   elf_backend_hide_symbol,
413   elf_backend_emit_relocs,
414   elf_backend_count_relocs,
415   elf_backend_ecoff_debug_swap,
416   ELF_MACHINE_ALT1,
417   ELF_MACHINE_ALT2,
418   &elf_backend_size_info,
419   elf_backend_got_symbol_offset,
420   elf_backend_got_header_size,
421   elf_backend_plt_header_size,
422   elf_backend_collect,
423   elf_backend_type_change_ok,
424   elf_backend_may_use_rel_p,
425   elf_backend_may_use_rela_p,
426   elf_backend_default_use_rela_p,
427   elf_backend_sign_extend_vma,
428   elf_backend_want_got_plt,
429   elf_backend_plt_readonly,
430   elf_backend_want_plt_sym,
431   elf_backend_plt_not_loaded,
432   elf_backend_plt_alignment,
433   elf_backend_can_gc_sections,
434   elf_backend_want_dynbss
435 };
436 #endif
437
438 /* Forward declaration for use when initialising alternative_target field.  */
439 #ifdef TARGET_LITTLE_SYM
440 extern const bfd_target TARGET_LITTLE_SYM;
441 #endif
442
443 #ifdef TARGET_BIG_SYM
444 const bfd_target TARGET_BIG_SYM =
445 {
446   /* name: identify kind of target */
447   TARGET_BIG_NAME,
448
449   /* flavour: general indication about file */
450   bfd_target_elf_flavour,
451
452   /* byteorder: data is big endian */
453   BFD_ENDIAN_BIG,
454
455   /* header_byteorder: header is also big endian */
456   BFD_ENDIAN_BIG,
457
458   /* object_flags: mask of all file flags */
459   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
460    DYNAMIC | WP_TEXT | D_PAGED),
461
462   /* section_flags: mask of all section flags */
463   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
464    SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),
465
466    /* leading_symbol_char: is the first char of a user symbol
467       predictable, and if so what is it */
468   elf_symbol_leading_char,
469
470   /* ar_pad_char: pad character for filenames within an archive header
471      FIXME:  this really has nothing to do with ELF, this is a characteristic
472      of the archiver and/or os and should be independently tunable */
473   '/',
474
475   /* ar_max_namelen: maximum number of characters in an archive header
476      FIXME:  this really has nothing to do with ELF, this is a characteristic
477      of the archiver and should be independently tunable.  This value is
478      a WAG (wild a** guess) */
479   14,
480
481   /* Routines to byte-swap various sized integers from the data sections */
482   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
483     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
484     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
485
486   /* Routines to byte-swap various sized integers from the file headers */
487   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
488     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
489     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
490
491   /* bfd_check_format: check the format of a file being read */
492   { _bfd_dummy_target,          /* unknown format */
493     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
494     bfd_elfNN_archive_p,        /* an archive */
495     bfd_elfNN_core_file_p       /* a core file */
496   },
497
498   /* bfd_set_format: set the format of a file being written */
499   { bfd_false,
500     bfd_elfNN_mkobject,
501     bfd_elfNN_mkarchive,
502     bfd_elfNN_mkcorefile
503   },
504
505   /* bfd_write_contents: write cached information into a file being written */
506   { bfd_false,
507     bfd_elfNN_write_object_contents,
508     bfd_elfNN_write_archive_contents,
509     bfd_elfNN_write_corefile_contents,
510   },
511
512       BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
513       BFD_JUMP_TABLE_COPY (bfd_elfNN),
514       BFD_JUMP_TABLE_CORE (bfd_elfNN),
515 #ifdef bfd_elfNN_archive_functions
516       BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
517 #else
518       BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
519 #endif
520       BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
521       BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
522       BFD_JUMP_TABLE_WRITE (bfd_elfNN),
523       BFD_JUMP_TABLE_LINK (bfd_elfNN),
524       BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
525
526   /* Alternative endian target.  */
527 #ifdef TARGET_LITTLE_SYM
528   & TARGET_LITTLE_SYM,
529 #else
530   NULL,
531 #endif
532
533   /* backend_data: */
534   (PTR) &elfNN_bed
535 };
536 #endif
537
538 #ifdef TARGET_LITTLE_SYM
539 const bfd_target TARGET_LITTLE_SYM =
540 {
541   /* name: identify kind of target */
542   TARGET_LITTLE_NAME,
543
544   /* flavour: general indication about file */
545   bfd_target_elf_flavour,
546
547   /* byteorder: data is little endian */
548   BFD_ENDIAN_LITTLE,
549
550   /* header_byteorder: header is also little endian */
551   BFD_ENDIAN_LITTLE,
552
553   /* object_flags: mask of all file flags */
554   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
555    DYNAMIC | WP_TEXT | D_PAGED),
556
557   /* section_flags: mask of all section flags */
558   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
559    SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),
560
561    /* leading_symbol_char: is the first char of a user symbol
562       predictable, and if so what is it */
563   elf_symbol_leading_char,
564
565   /* ar_pad_char: pad character for filenames within an archive header
566      FIXME:  this really has nothing to do with ELF, this is a characteristic
567      of the archiver and/or os and should be independently tunable */
568   '/',
569
570   /* ar_max_namelen: maximum number of characters in an archive header
571      FIXME:  this really has nothing to do with ELF, this is a characteristic
572      of the archiver and should be independently tunable.  This value is
573      a WAG (wild a** guess) */
574   14,
575
576   /* Routines to byte-swap various sized integers from the data sections */
577   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
578     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
579     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
580
581   /* Routines to byte-swap various sized integers from the file headers */
582   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
583     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
584     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
585
586   /* bfd_check_format: check the format of a file being read */
587   { _bfd_dummy_target,          /* unknown format */
588     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
589     bfd_elfNN_archive_p,        /* an archive */
590     bfd_elfNN_core_file_p       /* a core file */
591   },
592
593   /* bfd_set_format: set the format of a file being written */
594   { bfd_false,
595     bfd_elfNN_mkobject,
596     bfd_elfNN_mkarchive,
597     bfd_elfNN_mkcorefile
598   },
599
600   /* bfd_write_contents: write cached information into a file being written */
601   { bfd_false,
602     bfd_elfNN_write_object_contents,
603     bfd_elfNN_write_archive_contents,
604     bfd_elfNN_write_corefile_contents,
605   },
606
607       BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
608       BFD_JUMP_TABLE_COPY (bfd_elfNN),
609       BFD_JUMP_TABLE_CORE (bfd_elfNN),
610 #ifdef bfd_elfNN_archive_functions
611       BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
612 #else
613       BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
614 #endif
615       BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
616       BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
617       BFD_JUMP_TABLE_WRITE (bfd_elfNN),
618       BFD_JUMP_TABLE_LINK (bfd_elfNN),
619       BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
620
621   /* Alternative endian target.  */
622 #ifdef TARGET_BIG_SYM
623   & TARGET_BIG_SYM,
624 #else
625   NULL,
626 #endif
627
628   /* backend_data: */
629   (PTR) &elfNN_bed
630 };
631 #endif