1 /* Target definitions for NN-bit ELF
2 Copyright 1993, 1994, 1995, 1996 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 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
44 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
45 #define bfd_elfNN_get_symtab _bfd_elf_get_symtab
46 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
47 #if 0 /* done in elf-bfd.h */
48 #define bfd_elfNN_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
50 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
51 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
52 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
53 #ifndef bfd_elfNN_set_section_contents
54 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
56 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
57 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
59 #define bfd_elfNN_get_section_contents_in_window \
60 _bfd_generic_get_section_contents_in_window
62 #ifndef elf_backend_want_got_plt
63 #define elf_backend_want_got_plt 0
65 #ifndef elf_backend_plt_readonly
66 #define elf_backend_plt_readonly 0
68 #ifndef elf_backend_want_plt_sym
69 #define elf_backend_want_plt_sym 0
72 #define bfd_elfNN_bfd_debug_info_start bfd_void
73 #define bfd_elfNN_bfd_debug_info_end bfd_void
74 #define bfd_elfNN_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
76 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
77 #define bfd_elfNN_bfd_get_relocated_section_contents \
78 bfd_generic_get_relocated_section_contents
81 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
82 #define bfd_elfNN_bfd_make_debug_symbol \
83 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
85 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
86 #define bfd_elfNN_bfd_copy_private_symbol_data \
87 _bfd_elf_copy_private_symbol_data
90 #ifndef bfd_elfNN_bfd_copy_private_section_data
91 #define bfd_elfNN_bfd_copy_private_section_data \
92 _bfd_elf_copy_private_section_data
94 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
95 #define bfd_elfNN_bfd_copy_private_bfd_data \
96 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
98 #ifndef bfd_elfNN_bfd_print_private_bfd_data
99 #define bfd_elfNN_bfd_print_private_bfd_data \
100 _bfd_elf_print_private_bfd_data
102 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
103 #define bfd_elfNN_bfd_merge_private_bfd_data \
104 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
106 #ifndef bfd_elfNN_bfd_set_private_flags
107 #define bfd_elfNN_bfd_set_private_flags \
108 ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
110 #ifndef bfd_elfNN_bfd_is_local_label
111 #define bfd_elfNN_bfd_is_local_label bfd_generic_is_local_label
114 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
115 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
116 _bfd_nodynamic_get_dynamic_reloc_upper_bound
118 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
119 #define bfd_elfNN_canonicalize_dynamic_reloc \
120 _bfd_nodynamic_canonicalize_dynamic_reloc
123 #ifdef elf_backend_relocate_section
124 #ifndef bfd_elfNN_bfd_link_hash_table_create
125 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
127 #else /* ! defined (elf_backend_relocate_section) */
128 /* If no backend relocate_section routine, use the generic linker. */
129 #ifndef bfd_elfNN_bfd_link_hash_table_create
130 #define bfd_elfNN_bfd_link_hash_table_create \
131 _bfd_generic_link_hash_table_create
133 #ifndef bfd_elfNN_bfd_link_add_symbols
134 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
136 #ifndef bfd_elfNN_bfd_final_link
137 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
139 #endif /* ! defined (elf_backend_relocate_section) */
140 #ifndef bfd_elfNN_bfd_link_split_section
141 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
144 #ifndef elf_symbol_leading_char
145 #define elf_symbol_leading_char 0
148 #ifndef elf_info_to_howto
149 #define elf_info_to_howto 0
152 #ifndef elf_info_to_howto_rel
153 #define elf_info_to_howto_rel 0
156 #ifndef ELF_MAXPAGESIZE
157 #define ELF_MAXPAGESIZE 1
160 #ifndef elf_backend_collect
161 #define elf_backend_collect false
163 #ifndef elf_backend_type_change_ok
164 #define elf_backend_type_change_ok false
167 #ifndef elf_backend_sym_is_global
168 #define elf_backend_sym_is_global 0
170 #ifndef elf_backend_object_p
171 #define elf_backend_object_p 0
173 #ifndef elf_backend_symbol_processing
174 #define elf_backend_symbol_processing 0
176 #ifndef elf_backend_symbol_table_processing
177 #define elf_backend_symbol_table_processing 0
179 #ifndef elf_backend_section_processing
180 #define elf_backend_section_processing 0
182 #ifndef elf_backend_section_from_shdr
183 #define elf_backend_section_from_shdr 0
185 #ifndef elf_backend_fake_sections
186 #define elf_backend_fake_sections 0
188 #ifndef elf_backend_section_from_bfd_section
189 #define elf_backend_section_from_bfd_section 0
191 #ifndef elf_backend_add_symbol_hook
192 #define elf_backend_add_symbol_hook 0
194 #ifndef elf_backend_link_output_symbol_hook
195 #define elf_backend_link_output_symbol_hook 0
197 #ifndef elf_backend_create_dynamic_sections
198 #define elf_backend_create_dynamic_sections 0
200 #ifndef elf_backend_check_relocs
201 #define elf_backend_check_relocs 0
203 #ifndef elf_backend_adjust_dynamic_symbol
204 #define elf_backend_adjust_dynamic_symbol 0
206 #ifndef elf_backend_size_dynamic_sections
207 #define elf_backend_size_dynamic_sections 0
209 #ifndef elf_backend_relocate_section
210 #define elf_backend_relocate_section 0
212 #ifndef elf_backend_finish_dynamic_symbol
213 #define elf_backend_finish_dynamic_symbol 0
215 #ifndef elf_backend_finish_dynamic_sections
216 #define elf_backend_finish_dynamic_sections 0
218 #ifndef elf_backend_begin_write_processing
219 #define elf_backend_begin_write_processing 0
221 #ifndef elf_backend_final_write_processing
222 #define elf_backend_final_write_processing 0
224 #ifndef elf_backend_additional_program_headers
225 #define elf_backend_additional_program_headers 0
227 #ifndef elf_backend_modify_segment_map
228 #define elf_backend_modify_segment_map 0
230 #ifndef elf_backend_ecoff_debug_swap
231 #define elf_backend_ecoff_debug_swap 0
234 #ifndef ELF_MACHINE_ALT1
235 #define ELF_MACHINE_ALT1 0
238 #ifndef ELF_MACHINE_ALT2
239 #define ELF_MACHINE_ALT2 0
242 #ifndef elf_backend_size_info
243 #define elf_backend_size_info _bfd_elfNN_size_info
246 extern const struct elf_size_info _bfd_elfNN_size_info
;
248 static CONST
struct elf_backend_data elfNN_bed
=
256 ELF_MACHINE_CODE
, /* elf_machine_code */
257 ELF_MAXPAGESIZE
, /* maxpagesize */
259 elf_backend_type_change_ok
,
261 elf_info_to_howto_rel
,
262 elf_backend_sym_is_global
,
263 elf_backend_object_p
,
264 elf_backend_symbol_processing
,
265 elf_backend_symbol_table_processing
,
266 elf_backend_section_processing
,
267 elf_backend_section_from_shdr
,
268 elf_backend_fake_sections
,
269 elf_backend_section_from_bfd_section
,
270 elf_backend_add_symbol_hook
,
271 elf_backend_link_output_symbol_hook
,
272 elf_backend_create_dynamic_sections
,
273 elf_backend_check_relocs
,
274 elf_backend_adjust_dynamic_symbol
,
275 elf_backend_size_dynamic_sections
,
276 elf_backend_relocate_section
,
277 elf_backend_finish_dynamic_symbol
,
278 elf_backend_finish_dynamic_sections
,
279 elf_backend_begin_write_processing
,
280 elf_backend_final_write_processing
,
281 elf_backend_additional_program_headers
,
282 elf_backend_modify_segment_map
,
283 elf_backend_ecoff_debug_swap
,
286 &elf_backend_size_info
,
287 elf_backend_want_got_plt
,
288 elf_backend_plt_readonly
,
289 elf_backend_want_plt_sym
292 #ifdef TARGET_BIG_SYM
293 const bfd_target TARGET_BIG_SYM
=
295 /* name: identify kind of target */
298 /* flavour: general indication about file */
299 bfd_target_elf_flavour
,
301 /* byteorder: data is big endian */
304 /* header_byteorder: header is also big endian */
307 /* object_flags: mask of all file flags */
308 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
309 DYNAMIC
| WP_TEXT
| D_PAGED
),
311 /* section_flags: mask of all section flags */
312 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
313 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
),
315 /* leading_symbol_char: is the first char of a user symbol
316 predictable, and if so what is it */
317 elf_symbol_leading_char
,
319 /* ar_pad_char: pad character for filenames within an archive header
320 FIXME: this really has nothing to do with ELF, this is a characteristic
321 of the archiver and/or os and should be independently tunable */
324 /* ar_max_namelen: maximum number of characters in an archive header
325 FIXME: this really has nothing to do with ELF, this is a characteristic
326 of the archiver and should be independently tunable. This value is
327 a WAG (wild a** guess) */
330 /* Routines to byte-swap various sized integers from the data sections */
331 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
332 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
333 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
335 /* Routines to byte-swap various sized integers from the file headers */
336 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
337 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
338 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
340 /* bfd_check_format: check the format of a file being read */
341 { _bfd_dummy_target
, /* unknown format */
342 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
343 bfd_generic_archive_p
, /* an archive */
344 bfd_elfNN_core_file_p
/* a core file */
347 /* bfd_set_format: set the format of a file being written */
350 _bfd_generic_mkarchive
,
354 /* bfd_write_contents: write cached information into a file being written */
356 bfd_elfNN_write_object_contents
,
357 _bfd_write_archive_contents
,
361 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
362 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
363 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
364 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
365 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
366 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
367 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
368 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
369 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
376 #ifdef TARGET_LITTLE_SYM
377 const bfd_target TARGET_LITTLE_SYM
=
379 /* name: identify kind of target */
382 /* flavour: general indication about file */
383 bfd_target_elf_flavour
,
385 /* byteorder: data is little endian */
388 /* header_byteorder: header is also little endian */
391 /* object_flags: mask of all file flags */
392 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
393 DYNAMIC
| WP_TEXT
| D_PAGED
),
395 /* section_flags: mask of all section flags */
396 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
397 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
),
399 /* leading_symbol_char: is the first char of a user symbol
400 predictable, and if so what is it */
401 elf_symbol_leading_char
,
403 /* ar_pad_char: pad character for filenames within an archive header
404 FIXME: this really has nothing to do with ELF, this is a characteristic
405 of the archiver and/or os and should be independently tunable */
408 /* ar_max_namelen: maximum number of characters in an archive header
409 FIXME: this really has nothing to do with ELF, this is a characteristic
410 of the archiver and should be independently tunable. This value is
411 a WAG (wild a** guess) */
414 /* Routines to byte-swap various sized integers from the data sections */
415 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
416 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
417 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
419 /* Routines to byte-swap various sized integers from the file headers */
420 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
421 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
422 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
424 /* bfd_check_format: check the format of a file being read */
425 { _bfd_dummy_target
, /* unknown format */
426 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
427 bfd_generic_archive_p
, /* an archive */
428 bfd_elfNN_core_file_p
/* a core file */
431 /* bfd_set_format: set the format of a file being written */
434 _bfd_generic_mkarchive
,
438 /* bfd_write_contents: write cached information into a file being written */
440 bfd_elfNN_write_object_contents
,
441 _bfd_write_archive_contents
,
445 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
446 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
447 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
448 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
449 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
450 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
451 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
452 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
453 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),