1 /* Target definitions for NN-bit ELF
2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
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.
26 There are two such structures here: one for big-endian machines and
27 one for little-endian machines. */
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
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
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
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
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
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
63 #define bfd_elfNN_get_section_contents_in_window \
64 _bfd_generic_get_section_contents_in_window
66 #ifndef elf_backend_got_symbol_offset
67 #define elf_backend_got_symbol_offset (bfd_vma) 0
69 #ifndef elf_backend_want_got_plt
70 #define elf_backend_want_got_plt 0
72 #ifndef elf_backend_plt_readonly
73 #define elf_backend_plt_readonly 0
75 #ifndef elf_backend_want_plt_sym
76 #define elf_backend_want_plt_sym 0
78 #ifndef elf_backend_plt_not_loaded
79 #define elf_backend_plt_not_loaded 0
81 #ifndef elf_backend_plt_alignment
82 #define elf_backend_plt_alignment 2
84 #ifndef elf_backend_want_dynbss
85 #define elf_backend_want_dynbss 1
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
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
97 #ifndef bfd_elfNN_bfd_relax_section
98 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
101 #ifndef elf_backend_can_gc_sections
102 #define elf_backend_can_gc_sections 0
104 #ifndef elf_backend_want_got_sym
105 #define elf_backend_want_got_sym 1
107 #ifndef elf_backend_gc_mark_hook
108 #define elf_backend_gc_mark_hook NULL
110 #ifndef elf_backend_gc_sweep_hook
111 #define elf_backend_gc_sweep_hook NULL
113 #ifndef bfd_elfNN_bfd_gc_sections
114 #define bfd_elfNN_bfd_gc_sections _bfd_elfNN_gc_sections
117 #ifndef bfd_elfNN_bfd_merge_sections
118 #define bfd_elfNN_bfd_merge_sections \
119 _bfd_elf_merge_sections
122 #ifndef bfd_elfNN_bfd_make_debug_symbol
123 #define bfd_elfNN_bfd_make_debug_symbol \
124 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
127 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
128 #define bfd_elfNN_bfd_copy_private_symbol_data \
129 _bfd_elf_copy_private_symbol_data
132 #ifndef bfd_elfNN_bfd_copy_private_section_data
133 #define bfd_elfNN_bfd_copy_private_section_data \
134 _bfd_elf_copy_private_section_data
136 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
137 #define bfd_elfNN_bfd_copy_private_bfd_data \
138 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
140 #ifndef bfd_elfNN_bfd_print_private_bfd_data
141 #define bfd_elfNN_bfd_print_private_bfd_data \
142 _bfd_elf_print_private_bfd_data
144 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
145 #define bfd_elfNN_bfd_merge_private_bfd_data \
146 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
148 #ifndef bfd_elfNN_bfd_set_private_flags
149 #define bfd_elfNN_bfd_set_private_flags \
150 ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
152 #ifndef bfd_elfNN_bfd_is_local_label_name
153 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
156 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
157 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
158 _bfd_elf_get_dynamic_reloc_upper_bound
160 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
161 #define bfd_elfNN_canonicalize_dynamic_reloc \
162 _bfd_elf_canonicalize_dynamic_reloc
165 #ifdef elf_backend_relocate_section
166 #ifndef bfd_elfNN_bfd_link_hash_table_create
167 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
169 #else /* ! defined (elf_backend_relocate_section) */
170 /* If no backend relocate_section routine, use the generic linker. */
171 #ifndef bfd_elfNN_bfd_link_hash_table_create
172 #define bfd_elfNN_bfd_link_hash_table_create \
173 _bfd_generic_link_hash_table_create
175 #ifndef bfd_elfNN_bfd_link_add_symbols
176 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
178 #ifndef bfd_elfNN_bfd_final_link
179 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
181 #endif /* ! defined (elf_backend_relocate_section) */
182 #ifndef bfd_elfNN_bfd_link_split_section
183 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
186 #ifndef bfd_elfNN_archive_p
187 #define bfd_elfNN_archive_p bfd_generic_archive_p
190 #ifndef bfd_elfNN_write_archive_contents
191 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
194 #ifndef bfd_elfNN_mkobject
195 #define bfd_elfNN_mkobject bfd_elf_mkobject
198 #ifndef bfd_elfNN_mkcorefile
199 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
202 #ifndef bfd_elfNN_mkarchive
203 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
206 #ifndef elf_symbol_leading_char
207 #define elf_symbol_leading_char 0
210 #ifndef elf_info_to_howto
211 #define elf_info_to_howto 0
214 #ifndef elf_info_to_howto_rel
215 #define elf_info_to_howto_rel 0
218 #ifndef ELF_MAXPAGESIZE
219 #error ELF_MAXPAGESIZE is not defined
220 #define ELF_MAXPAGESIZE 1
223 #ifndef elf_backend_collect
224 #define elf_backend_collect false
226 #ifndef elf_backend_type_change_ok
227 #define elf_backend_type_change_ok false
230 #ifndef elf_backend_sym_is_global
231 #define elf_backend_sym_is_global 0
233 #ifndef elf_backend_object_p
234 #define elf_backend_object_p 0
236 #ifndef elf_backend_symbol_processing
237 #define elf_backend_symbol_processing 0
239 #ifndef elf_backend_symbol_table_processing
240 #define elf_backend_symbol_table_processing 0
242 #ifndef elf_backend_get_symbol_type
243 #define elf_backend_get_symbol_type 0
245 #ifndef elf_backend_section_processing
246 #define elf_backend_section_processing 0
248 #ifndef elf_backend_section_from_shdr
249 #define elf_backend_section_from_shdr 0
251 #ifndef elf_backend_section_flags
252 #define elf_backend_section_flags 0
254 #ifndef elf_backend_section_from_phdr
255 #define elf_backend_section_from_phdr 0
257 #ifndef elf_backend_fake_sections
258 #define elf_backend_fake_sections 0
260 #ifndef elf_backend_section_from_bfd_section
261 #define elf_backend_section_from_bfd_section 0
263 #ifndef elf_backend_add_symbol_hook
264 #define elf_backend_add_symbol_hook 0
266 #ifndef elf_backend_link_output_symbol_hook
267 #define elf_backend_link_output_symbol_hook 0
269 #ifndef elf_backend_create_dynamic_sections
270 #define elf_backend_create_dynamic_sections 0
272 #ifndef elf_backend_check_relocs
273 #define elf_backend_check_relocs 0
275 #ifndef elf_backend_adjust_dynamic_symbol
276 #define elf_backend_adjust_dynamic_symbol 0
278 #ifndef elf_backend_always_size_sections
279 #define elf_backend_always_size_sections 0
281 #ifndef elf_backend_size_dynamic_sections
282 #define elf_backend_size_dynamic_sections 0
284 #ifndef elf_backend_relocate_section
285 #define elf_backend_relocate_section 0
287 #ifndef elf_backend_finish_dynamic_symbol
288 #define elf_backend_finish_dynamic_symbol 0
290 #ifndef elf_backend_finish_dynamic_sections
291 #define elf_backend_finish_dynamic_sections 0
293 #ifndef elf_backend_begin_write_processing
294 #define elf_backend_begin_write_processing 0
296 #ifndef elf_backend_final_write_processing
297 #define elf_backend_final_write_processing 0
299 #ifndef elf_backend_additional_program_headers
300 #define elf_backend_additional_program_headers 0
302 #ifndef elf_backend_modify_segment_map
303 #define elf_backend_modify_segment_map 0
305 #ifndef elf_backend_ecoff_debug_swap
306 #define elf_backend_ecoff_debug_swap 0
308 #ifndef elf_backend_got_header_size
309 #define elf_backend_got_header_size 0
311 #ifndef elf_backend_plt_header_size
312 #define elf_backend_plt_header_size 0
314 #ifndef elf_backend_post_process_headers
315 #define elf_backend_post_process_headers NULL
317 #ifndef elf_backend_print_symbol_all
318 #define elf_backend_print_symbol_all NULL
320 #ifndef elf_backend_output_arch_syms
321 #define elf_backend_output_arch_syms NULL
323 #ifndef elf_backend_copy_indirect_symbol
324 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
326 #ifndef elf_backend_hide_symbol
327 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
329 #ifndef elf_backend_emit_relocs
330 #define elf_backend_emit_relocs NULL
332 #ifndef elf_backend_count_relocs
333 #define elf_backend_count_relocs NULL
335 #ifndef elf_backend_grok_prstatus
336 #define elf_backend_grok_prstatus NULL
338 #ifndef elf_backend_grok_psinfo
339 #define elf_backend_grok_psinfo NULL
342 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
343 sections, but not both. They defined USE_REL to indicate SHT_REL
344 sections, and left it undefined to indicated SHT_RELA sections.
345 For backwards compatibility, we still support this usage. */
353 /* Use these in new code. */
354 #ifndef elf_backend_may_use_rel_p
355 #define elf_backend_may_use_rel_p USE_REL
357 #ifndef elf_backend_may_use_rela_p
358 #define elf_backend_may_use_rela_p !USE_REL
360 #ifndef elf_backend_default_use_rela_p
361 #define elf_backend_default_use_rela_p !USE_REL
364 #ifndef ELF_MACHINE_ALT1
365 #define ELF_MACHINE_ALT1 0
368 #ifndef ELF_MACHINE_ALT2
369 #define ELF_MACHINE_ALT2 0
372 #ifndef elf_backend_size_info
373 #define elf_backend_size_info _bfd_elfNN_size_info
376 #ifndef elf_backend_sign_extend_vma
377 #define elf_backend_sign_extend_vma 0
380 extern const struct elf_size_info _bfd_elfNN_size_info
;
382 #ifndef INCLUDED_TARGET_FILE
383 static CONST
struct elf_backend_data elfNN_bed
=
386 ELF_MACHINE_CODE
, /* elf_machine_code */
387 ELF_MAXPAGESIZE
, /* maxpagesize */
389 elf_info_to_howto_rel
,
390 elf_backend_sym_is_global
,
391 elf_backend_object_p
,
392 elf_backend_symbol_processing
,
393 elf_backend_symbol_table_processing
,
394 elf_backend_get_symbol_type
,
395 elf_backend_section_processing
,
396 elf_backend_section_from_shdr
,
397 elf_backend_section_flags
,
398 elf_backend_section_from_phdr
,
399 elf_backend_fake_sections
,
400 elf_backend_section_from_bfd_section
,
401 elf_backend_add_symbol_hook
,
402 elf_backend_link_output_symbol_hook
,
403 elf_backend_create_dynamic_sections
,
404 elf_backend_check_relocs
,
405 elf_backend_adjust_dynamic_symbol
,
406 elf_backend_always_size_sections
,
407 elf_backend_size_dynamic_sections
,
408 elf_backend_relocate_section
,
409 elf_backend_finish_dynamic_symbol
,
410 elf_backend_finish_dynamic_sections
,
411 elf_backend_begin_write_processing
,
412 elf_backend_final_write_processing
,
413 elf_backend_additional_program_headers
,
414 elf_backend_modify_segment_map
,
415 elf_backend_gc_mark_hook
,
416 elf_backend_gc_sweep_hook
,
417 elf_backend_post_process_headers
,
418 elf_backend_print_symbol_all
,
419 elf_backend_output_arch_syms
,
420 elf_backend_copy_indirect_symbol
,
421 elf_backend_hide_symbol
,
422 elf_backend_emit_relocs
,
423 elf_backend_count_relocs
,
424 elf_backend_grok_prstatus
,
425 elf_backend_grok_psinfo
,
426 elf_backend_ecoff_debug_swap
,
429 &elf_backend_size_info
,
430 elf_backend_got_symbol_offset
,
431 elf_backend_got_header_size
,
432 elf_backend_plt_header_size
,
434 elf_backend_type_change_ok
,
435 elf_backend_may_use_rel_p
,
436 elf_backend_may_use_rela_p
,
437 elf_backend_default_use_rela_p
,
438 elf_backend_sign_extend_vma
,
439 elf_backend_want_got_plt
,
440 elf_backend_plt_readonly
,
441 elf_backend_want_plt_sym
,
442 elf_backend_plt_not_loaded
,
443 elf_backend_plt_alignment
,
444 elf_backend_can_gc_sections
,
445 elf_backend_want_dynbss
,
446 elf_backend_want_got_sym
450 /* Forward declaration for use when initialising alternative_target field. */
451 #ifdef TARGET_LITTLE_SYM
452 extern const bfd_target TARGET_LITTLE_SYM
;
455 #ifdef TARGET_BIG_SYM
456 const bfd_target TARGET_BIG_SYM
=
458 /* name: identify kind of target */
461 /* flavour: general indication about file */
462 bfd_target_elf_flavour
,
464 /* byteorder: data is big endian */
467 /* header_byteorder: header is also big endian */
470 /* object_flags: mask of all file flags */
471 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
472 DYNAMIC
| WP_TEXT
| D_PAGED
),
474 /* section_flags: mask of all section flags */
475 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
476 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
),
478 /* leading_symbol_char: is the first char of a user symbol
479 predictable, and if so what is it */
480 elf_symbol_leading_char
,
482 /* ar_pad_char: pad character for filenames within an archive header
483 FIXME: this really has nothing to do with ELF, this is a characteristic
484 of the archiver and/or os and should be independently tunable */
487 /* ar_max_namelen: maximum number of characters in an archive header
488 FIXME: this really has nothing to do with ELF, this is a characteristic
489 of the archiver and should be independently tunable. This value is
490 a WAG (wild a** guess) */
493 /* Routines to byte-swap various sized integers from the data sections */
494 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
495 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
496 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
498 /* Routines to byte-swap various sized integers from the file headers */
499 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
500 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
501 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
503 /* bfd_check_format: check the format of a file being read */
504 { _bfd_dummy_target
, /* unknown format */
505 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
506 bfd_elfNN_archive_p
, /* an archive */
507 bfd_elfNN_core_file_p
/* a core file */
510 /* bfd_set_format: set the format of a file being written */
517 /* bfd_write_contents: write cached information into a file being written */
519 bfd_elfNN_write_object_contents
,
520 bfd_elfNN_write_archive_contents
,
521 bfd_elfNN_write_corefile_contents
,
524 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
525 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
526 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
527 #ifdef bfd_elfNN_archive_functions
528 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
530 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
532 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
533 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
534 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
535 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
536 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
538 /* Alternative endian target. */
539 #ifdef TARGET_LITTLE_SYM
550 #ifdef TARGET_LITTLE_SYM
551 const bfd_target TARGET_LITTLE_SYM
=
553 /* name: identify kind of target */
556 /* flavour: general indication about file */
557 bfd_target_elf_flavour
,
559 /* byteorder: data is little endian */
562 /* header_byteorder: header is also little endian */
565 /* object_flags: mask of all file flags */
566 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
567 DYNAMIC
| WP_TEXT
| D_PAGED
),
569 /* section_flags: mask of all section flags */
570 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
571 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
),
573 /* leading_symbol_char: is the first char of a user symbol
574 predictable, and if so what is it */
575 elf_symbol_leading_char
,
577 /* ar_pad_char: pad character for filenames within an archive header
578 FIXME: this really has nothing to do with ELF, this is a characteristic
579 of the archiver and/or os and should be independently tunable */
582 /* ar_max_namelen: maximum number of characters in an archive header
583 FIXME: this really has nothing to do with ELF, this is a characteristic
584 of the archiver and should be independently tunable. This value is
585 a WAG (wild a** guess) */
588 /* Routines to byte-swap various sized integers from the data sections */
589 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
590 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
591 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
593 /* Routines to byte-swap various sized integers from the file headers */
594 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
595 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
596 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
598 /* bfd_check_format: check the format of a file being read */
599 { _bfd_dummy_target
, /* unknown format */
600 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
601 bfd_elfNN_archive_p
, /* an archive */
602 bfd_elfNN_core_file_p
/* a core file */
605 /* bfd_set_format: set the format of a file being written */
612 /* bfd_write_contents: write cached information into a file being written */
614 bfd_elfNN_write_object_contents
,
615 bfd_elfNN_write_archive_contents
,
616 bfd_elfNN_write_corefile_contents
,
619 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
620 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
621 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
622 #ifdef bfd_elfNN_archive_functions
623 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
625 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
627 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
628 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
629 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
630 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
631 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
633 /* Alternative endian target. */
634 #ifdef TARGET_BIG_SYM