1 /* Target definitions for NN-bit ELF
2 Copyright 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 /* This structure contains everything that BFD knows about a target.
21 It includes things like its byte order, name, what routines to call
22 to do various operations, etc. Every BFD points to a target structure
23 with its "xvec" member.
25 There are two such structures here: one for big-endian machines and
26 one for little-endian machines. */
28 #define bfd_elfNN_close_and_cleanup _bfd_generic_close_and_cleanup
29 #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
30 #ifndef bfd_elfNN_get_section_contents
31 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
34 #define bfd_elfNN_canonicalize_dynamic_symtab _bfd_elf_canonicalize_dynamic_symtab
35 #define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc
36 #ifndef bfd_elfNN_find_nearest_line
37 #define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line
39 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols
40 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
41 #define bfd_elfNN_get_dynamic_symtab_upper_bound _bfd_elf_get_dynamic_symtab_upper_bound
42 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno
43 #ifndef bfd_elfNN_get_reloc_upper_bound
44 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
46 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
47 #define bfd_elfNN_get_symtab _bfd_elf_get_symtab
48 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
49 #if 0 /* done in elf-bfd.h */
50 #define bfd_elfNN_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
52 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
53 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
54 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
55 #ifndef bfd_elfNN_set_section_contents
56 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
58 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
59 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
61 #define bfd_elfNN_get_section_contents_in_window \
62 _bfd_generic_get_section_contents_in_window
64 #ifndef elf_backend_want_got_plt
65 #define elf_backend_want_got_plt 0
67 #ifndef elf_backend_plt_readonly
68 #define elf_backend_plt_readonly 0
70 #ifndef elf_backend_want_plt_sym
71 #define elf_backend_want_plt_sym 0
74 #define bfd_elfNN_bfd_debug_info_start bfd_void
75 #define bfd_elfNN_bfd_debug_info_end bfd_void
76 #define bfd_elfNN_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
78 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
79 #define bfd_elfNN_bfd_get_relocated_section_contents \
80 bfd_generic_get_relocated_section_contents
83 #ifndef bfd_elfNN_bfd_relax_section
84 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
87 #define bfd_elfNN_bfd_make_debug_symbol \
88 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
90 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
91 #define bfd_elfNN_bfd_copy_private_symbol_data \
92 _bfd_elf_copy_private_symbol_data
95 #ifndef bfd_elfNN_bfd_copy_private_section_data
96 #define bfd_elfNN_bfd_copy_private_section_data \
97 _bfd_elf_copy_private_section_data
99 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
100 #define bfd_elfNN_bfd_copy_private_bfd_data \
101 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
103 #ifndef bfd_elfNN_bfd_print_private_bfd_data
104 #define bfd_elfNN_bfd_print_private_bfd_data \
105 _bfd_elf_print_private_bfd_data
107 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
108 #define bfd_elfNN_bfd_merge_private_bfd_data \
109 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
111 #ifndef bfd_elfNN_bfd_set_private_flags
112 #define bfd_elfNN_bfd_set_private_flags \
113 ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
115 #ifndef bfd_elfNN_bfd_is_local_label_name
116 #define bfd_elfNN_bfd_is_local_label_name bfd_generic_is_local_label_name
119 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
120 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
121 _bfd_elf_get_dynamic_reloc_upper_bound
123 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
124 #define bfd_elfNN_canonicalize_dynamic_reloc \
125 _bfd_elf_canonicalize_dynamic_reloc
128 #ifdef elf_backend_relocate_section
129 #ifndef bfd_elfNN_bfd_link_hash_table_create
130 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
132 #else /* ! defined (elf_backend_relocate_section) */
133 /* If no backend relocate_section routine, use the generic linker. */
134 #ifndef bfd_elfNN_bfd_link_hash_table_create
135 #define bfd_elfNN_bfd_link_hash_table_create \
136 _bfd_generic_link_hash_table_create
138 #ifndef bfd_elfNN_bfd_link_add_symbols
139 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
141 #ifndef bfd_elfNN_bfd_final_link
142 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
144 #endif /* ! defined (elf_backend_relocate_section) */
145 #ifndef bfd_elfNN_bfd_link_split_section
146 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
149 #ifndef bfd_elfNN_archive_p
150 #define bfd_elfNN_archive_p bfd_generic_archive_p
153 #ifndef bfd_elfNN_write_archive_contents
154 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
157 #ifndef bfd_elfNN_mkobject
158 #define bfd_elfNN_mkobject bfd_elf_mkobject
161 #ifndef bfd_elfNN_mkarchive
162 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
165 #ifndef elf_symbol_leading_char
166 #define elf_symbol_leading_char 0
169 #ifndef elf_info_to_howto
170 #define elf_info_to_howto 0
173 #ifndef elf_info_to_howto_rel
174 #define elf_info_to_howto_rel 0
177 #ifndef ELF_MAXPAGESIZE
178 #define ELF_MAXPAGESIZE 1
181 #ifndef elf_backend_collect
182 #define elf_backend_collect false
184 #ifndef elf_backend_type_change_ok
185 #define elf_backend_type_change_ok false
188 #ifndef elf_backend_sym_is_global
189 #define elf_backend_sym_is_global 0
191 #ifndef elf_backend_object_p
192 #define elf_backend_object_p 0
194 #ifndef elf_backend_symbol_processing
195 #define elf_backend_symbol_processing 0
197 #ifndef elf_backend_symbol_table_processing
198 #define elf_backend_symbol_table_processing 0
200 #ifndef elf_backend_section_processing
201 #define elf_backend_section_processing 0
203 #ifndef elf_backend_section_from_shdr
204 #define elf_backend_section_from_shdr 0
206 #ifndef elf_backend_fake_sections
207 #define elf_backend_fake_sections 0
209 #ifndef elf_backend_section_from_bfd_section
210 #define elf_backend_section_from_bfd_section 0
212 #ifndef elf_backend_add_symbol_hook
213 #define elf_backend_add_symbol_hook 0
215 #ifndef elf_backend_link_output_symbol_hook
216 #define elf_backend_link_output_symbol_hook 0
218 #ifndef elf_backend_create_dynamic_sections
219 #define elf_backend_create_dynamic_sections 0
221 #ifndef elf_backend_check_relocs
222 #define elf_backend_check_relocs 0
224 #ifndef elf_backend_adjust_dynamic_symbol
225 #define elf_backend_adjust_dynamic_symbol 0
227 #ifndef elf_backend_always_size_sections
228 #define elf_backend_always_size_sections 0
230 #ifndef elf_backend_size_dynamic_sections
231 #define elf_backend_size_dynamic_sections 0
233 #ifndef elf_backend_relocate_section
234 #define elf_backend_relocate_section 0
236 #ifndef elf_backend_finish_dynamic_symbol
237 #define elf_backend_finish_dynamic_symbol 0
239 #ifndef elf_backend_finish_dynamic_sections
240 #define elf_backend_finish_dynamic_sections 0
242 #ifndef elf_backend_begin_write_processing
243 #define elf_backend_begin_write_processing 0
245 #ifndef elf_backend_final_write_processing
246 #define elf_backend_final_write_processing 0
248 #ifndef elf_backend_additional_program_headers
249 #define elf_backend_additional_program_headers 0
251 #ifndef elf_backend_modify_segment_map
252 #define elf_backend_modify_segment_map 0
254 #ifndef elf_backend_ecoff_debug_swap
255 #define elf_backend_ecoff_debug_swap 0
258 #ifndef ELF_MACHINE_ALT1
259 #define ELF_MACHINE_ALT1 0
262 #ifndef ELF_MACHINE_ALT2
263 #define ELF_MACHINE_ALT2 0
266 #ifndef elf_backend_size_info
267 #define elf_backend_size_info _bfd_elfNN_size_info
270 extern const struct elf_size_info _bfd_elfNN_size_info;
272 static CONST struct elf_backend_data elfNN_bed =
280 ELF_MACHINE_CODE, /* elf_machine_code */
281 ELF_MAXPAGESIZE, /* maxpagesize */
283 elf_backend_type_change_ok,
285 elf_info_to_howto_rel,
286 elf_backend_sym_is_global,
287 elf_backend_object_p,
288 elf_backend_symbol_processing,
289 elf_backend_symbol_table_processing,
290 elf_backend_section_processing,
291 elf_backend_section_from_shdr,
292 elf_backend_fake_sections,
293 elf_backend_section_from_bfd_section,
294 elf_backend_add_symbol_hook,
295 elf_backend_link_output_symbol_hook,
296 elf_backend_create_dynamic_sections,
297 elf_backend_check_relocs,
298 elf_backend_adjust_dynamic_symbol,
299 elf_backend_always_size_sections,
300 elf_backend_size_dynamic_sections,
301 elf_backend_relocate_section,
302 elf_backend_finish_dynamic_symbol,
303 elf_backend_finish_dynamic_sections,
304 elf_backend_begin_write_processing,
305 elf_backend_final_write_processing,
306 elf_backend_additional_program_headers,
307 elf_backend_modify_segment_map,
308 elf_backend_ecoff_debug_swap,
311 &elf_backend_size_info,
312 elf_backend_want_got_plt,
313 elf_backend_plt_readonly,
314 elf_backend_want_plt_sym
317 #ifdef TARGET_BIG_SYM
318 const bfd_target TARGET_BIG_SYM =
320 /* name: identify kind of target */
323 /* flavour: general indication about file */
324 bfd_target_elf_flavour,
326 /* byteorder: data is big endian */
329 /* header_byteorder: header is also big endian */
332 /* object_flags: mask of all file flags */
333 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
334 DYNAMIC | WP_TEXT | D_PAGED),
336 /* section_flags: mask of all section flags */
337 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
338 SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),
340 /* leading_symbol_char: is the first char of a user symbol
341 predictable, and if so what is it */
342 elf_symbol_leading_char,
344 /* ar_pad_char: pad character for filenames within an archive header
345 FIXME: this really has nothing to do with ELF, this is a characteristic
346 of the archiver and/or os and should be independently tunable */
349 /* ar_max_namelen: maximum number of characters in an archive header
350 FIXME: this really has nothing to do with ELF, this is a characteristic
351 of the archiver and should be independently tunable. This value is
352 a WAG (wild a** guess) */
355 /* Routines to byte-swap various sized integers from the data sections */
356 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
357 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
358 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
360 /* Routines to byte-swap various sized integers from the file headers */
361 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
362 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
363 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
365 /* bfd_check_format: check the format of a file being read */
366 { _bfd_dummy_target, /* unknown format */
367 bfd_elfNN_object_p, /* assembler/linker output (object file) */
368 bfd_elfNN_archive_p, /* an archive */
369 bfd_elfNN_core_file_p /* a core file */
372 /* bfd_set_format: set the format of a file being written */
379 /* bfd_write_contents: write cached information into a file being written */
381 bfd_elfNN_write_object_contents,
382 bfd_elfNN_write_archive_contents,
386 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
387 BFD_JUMP_TABLE_COPY (bfd_elfNN),
388 BFD_JUMP_TABLE_CORE (bfd_elfNN),
389 #ifdef bfd_elfNN_archive_functions
390 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
392 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
394 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
395 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
396 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
397 BFD_JUMP_TABLE_LINK (bfd_elfNN),
398 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
405 #ifdef TARGET_LITTLE_SYM
406 const bfd_target TARGET_LITTLE_SYM =
408 /* name: identify kind of target */
411 /* flavour: general indication about file */
412 bfd_target_elf_flavour,
414 /* byteorder: data is little endian */
417 /* header_byteorder: header is also little endian */
420 /* object_flags: mask of all file flags */
421 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
422 DYNAMIC | WP_TEXT | D_PAGED),
424 /* section_flags: mask of all section flags */
425 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
426 SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),
428 /* leading_symbol_char: is the first char of a user symbol
429 predictable, and if so what is it */
430 elf_symbol_leading_char,
432 /* ar_pad_char: pad character for filenames within an archive header
433 FIXME: this really has nothing to do with ELF, this is a characteristic
434 of the archiver and/or os and should be independently tunable */
437 /* ar_max_namelen: maximum number of characters in an archive header
438 FIXME: this really has nothing to do with ELF, this is a characteristic
439 of the archiver and should be independently tunable. This value is
440 a WAG (wild a** guess) */
443 /* Routines to byte-swap various sized integers from the data sections */
444 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
445 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
446 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
448 /* Routines to byte-swap various sized integers from the file headers */
449 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
450 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
451 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
453 /* bfd_check_format: check the format of a file being read */
454 { _bfd_dummy_target, /* unknown format */
455 bfd_elfNN_object_p, /* assembler/linker output (object file) */
456 bfd_elfNN_archive_p, /* an archive */
457 bfd_elfNN_core_file_p /* a core file */
460 /* bfd_set_format: set the format of a file being written */
467 /* bfd_write_contents: write cached information into a file being written */
469 bfd_elfNN_write_object_contents,
470 bfd_elfNN_write_archive_contents,
474 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
475 BFD_JUMP_TABLE_COPY (bfd_elfNN),
476 BFD_JUMP_TABLE_CORE (bfd_elfNN),
477 #ifdef bfd_elfNN_archive_functions
478 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
480 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
482 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
483 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
484 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
485 BFD_JUMP_TABLE_LINK (bfd_elfNN),
486 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),