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81187b54 | 1 | /* Target definitions for 32-bit ELF |
dfc1c006 | 2 | Copyright 1993, 1994 Free Software Foundation, Inc. |
81187b54 KR |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
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. | |
24 | ||
25 | There are two such structures here: one for big-endian machines and | |
26 | one for little-endian machines. */ | |
27 | ||
6812b607 ILT |
28 | #define bfd_elf32_close_and_cleanup _bfd_generic_close_and_cleanup |
29 | #define bfd_elf32_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
30 | #ifndef bfd_elf32_get_section_contents | |
31 | #define bfd_elf32_get_section_contents _bfd_generic_get_section_contents | |
ae06054e | 32 | #endif |
9942e684 | 33 | |
9942e684 | 34 | #define bfd_elf32_bfd_get_relocated_section_contents \ |
81187b54 | 35 | bfd_generic_get_relocated_section_contents |
9942e684 | 36 | #define bfd_elf32_bfd_relax_section bfd_generic_relax_section |
9942e684 | 37 | #define bfd_elf32_bfd_make_debug_symbol \ |
81187b54 KR |
38 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) |
39 | ||
5b3577cb JL |
40 | #ifndef bfd_elf32_bfd_copy_private_section_data |
41 | #define bfd_elf32_bfd_copy_private_section_data \ | |
42 | ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true) | |
43 | #endif | |
44 | #ifndef bfd_elf32_bfd_copy_private_bfd_data | |
45 | #define bfd_elf32_bfd_copy_private_bfd_data \ | |
46 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) | |
47 | #endif | |
48 | #ifndef bfd_elf32_bfd_is_local_label | |
49 | #define bfd_elf32_bfd_is_local_label bfd_generic_is_local_label | |
50 | #endif | |
51 | ||
cb71adf1 PS |
52 | #ifndef bfd_elf32_get_dynamic_reloc_upper_bound |
53 | #define bfd_elf32_get_dynamic_reloc_upper_bound \ | |
54 | _bfd_nodynamic_get_dynamic_reloc_upper_bound | |
55 | #endif | |
56 | #ifndef bfd_elf32_canonicalize_dynamic_reloc | |
57 | #define bfd_elf32_canonicalize_dynamic_reloc \ | |
58 | _bfd_nodynamic_canonicalize_dynamic_reloc | |
59 | #endif | |
60 | ||
6ec3bb6a ILT |
61 | #ifdef elf_backend_relocate_section |
62 | #ifndef bfd_elf32_bfd_link_hash_table_create | |
63 | #define bfd_elf32_bfd_link_hash_table_create _bfd_elf_link_hash_table_create | |
64 | #endif | |
65 | #else /* ! defined (elf_backend_relocate_section) */ | |
66 | /* If no backend relocate_section routine, use the generic linker. */ | |
67 | #ifndef bfd_elf32_bfd_link_hash_table_create | |
68 | #define bfd_elf32_bfd_link_hash_table_create \ | |
69 | _bfd_generic_link_hash_table_create | |
70 | #endif | |
71 | #ifndef bfd_elf32_bfd_link_add_symbols | |
72 | #define bfd_elf32_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
73 | #endif | |
74 | #ifndef bfd_elf32_bfd_final_link | |
75 | #define bfd_elf32_bfd_final_link _bfd_generic_final_link | |
76 | #endif | |
77 | #endif /* ! defined (elf_backend_relocate_section) */ | |
78 | ||
b3024965 KR |
79 | #ifndef elf_info_to_howto_rel |
80 | #define elf_info_to_howto_rel 0 | |
81 | #endif | |
82 | ||
83 | #ifndef ELF_MAXPAGESIZE | |
84 | #define ELF_MAXPAGESIZE 1 | |
85 | #endif | |
86 | ||
6ec3bb6a ILT |
87 | #ifndef elf_backend_collect |
88 | #define elf_backend_collect false | |
89 | #endif | |
90 | ||
643e9fc7 ILT |
91 | #ifndef elf_backend_sym_is_global |
92 | #define elf_backend_sym_is_global 0 | |
93 | #endif | |
a5ccdad1 | 94 | #ifndef elf_backend_object_p |
643e9fc7 | 95 | #define elf_backend_object_p 0 |
a5ccdad1 | 96 | #endif |
e2a422b8 | 97 | #ifndef elf_backend_symbol_processing |
643e9fc7 | 98 | #define elf_backend_symbol_processing 0 |
e2a422b8 KR |
99 | #endif |
100 | #ifndef elf_backend_symbol_table_processing | |
643e9fc7 | 101 | #define elf_backend_symbol_table_processing 0 |
e2a422b8 KR |
102 | #endif |
103 | #ifndef elf_backend_section_processing | |
643e9fc7 | 104 | #define elf_backend_section_processing 0 |
e2a422b8 KR |
105 | #endif |
106 | #ifndef elf_backend_section_from_shdr | |
643e9fc7 | 107 | #define elf_backend_section_from_shdr 0 |
e2a422b8 KR |
108 | #endif |
109 | #ifndef elf_backend_fake_sections | |
643e9fc7 | 110 | #define elf_backend_fake_sections 0 |
e2a422b8 KR |
111 | #endif |
112 | #ifndef elf_backend_section_from_bfd_section | |
643e9fc7 ILT |
113 | #define elf_backend_section_from_bfd_section 0 |
114 | #endif | |
6ec3bb6a ILT |
115 | #ifndef elf_backend_add_symbol_hook |
116 | #define elf_backend_add_symbol_hook 0 | |
117 | #endif | |
013dec1a ILT |
118 | #ifndef elf_backend_create_dynamic_sections |
119 | #define elf_backend_create_dynamic_sections 0 | |
120 | #endif | |
121 | #ifndef elf_backend_adjust_dynamic_symbol | |
122 | #define elf_backend_adjust_dynamic_symbol 0 | |
123 | #endif | |
124 | #ifndef elf_backend_size_dynamic_sections | |
125 | #define elf_backend_size_dynamic_sections 0 | |
126 | #endif | |
6ec3bb6a ILT |
127 | #ifndef elf_backend_relocate_section |
128 | #define elf_backend_relocate_section 0 | |
129 | #endif | |
013dec1a ILT |
130 | #ifndef elf_backend_finish_dynamic_symbol |
131 | #define elf_backend_finish_dynamic_symbol 0 | |
132 | #endif | |
133 | #ifndef elf_backend_finish_dynamic_sections | |
134 | #define elf_backend_finish_dynamic_sections 0 | |
135 | #endif | |
99a6c761 JL |
136 | #ifndef elf_backend_begin_write_processing |
137 | #define elf_backend_begin_write_processing 0 | |
138 | #endif | |
643e9fc7 ILT |
139 | #ifndef elf_backend_final_write_processing |
140 | #define elf_backend_final_write_processing 0 | |
e2a422b8 | 141 | #endif |
95469b02 | 142 | #ifndef elf_backend_ecoff_debug_swap |
643e9fc7 | 143 | #define elf_backend_ecoff_debug_swap 0 |
95469b02 | 144 | #endif |
e2a422b8 | 145 | |
268f94ac | 146 | static CONST struct elf_backend_data elf32_bed = |
81187b54 | 147 | { |
7050286d KR |
148 | #ifdef USE_REL |
149 | 0, /* use_rela_p */ | |
150 | #else | |
151 | 1, /* use_rela_p */ | |
152 | #endif | |
153 | 0, /* elf_64_p */ | |
154 | ELF_ARCH, /* arch */ | |
a5ccdad1 | 155 | ELF_MACHINE_CODE, /* elf_machine_code */ |
95469b02 | 156 | ELF_MAXPAGESIZE, /* maxpagesize */ |
6ec3bb6a | 157 | elf_backend_collect, |
643e9fc7 ILT |
158 | elf_info_to_howto, |
159 | elf_info_to_howto_rel, | |
160 | elf_backend_sym_is_global, | |
161 | elf_backend_object_p, | |
162 | elf_backend_symbol_processing, | |
163 | elf_backend_symbol_table_processing, | |
164 | elf_backend_section_processing, | |
165 | elf_backend_section_from_shdr, | |
166 | elf_backend_fake_sections, | |
167 | elf_backend_section_from_bfd_section, | |
6ec3bb6a | 168 | elf_backend_add_symbol_hook, |
013dec1a ILT |
169 | elf_backend_create_dynamic_sections, |
170 | elf_backend_adjust_dynamic_symbol, | |
171 | elf_backend_size_dynamic_sections, | |
6ec3bb6a | 172 | elf_backend_relocate_section, |
013dec1a ILT |
173 | elf_backend_finish_dynamic_symbol, |
174 | elf_backend_finish_dynamic_sections, | |
99a6c761 | 175 | elf_backend_begin_write_processing, |
643e9fc7 ILT |
176 | elf_backend_final_write_processing, |
177 | elf_backend_ecoff_debug_swap | |
81187b54 KR |
178 | }; |
179 | ||
180 | #ifdef TARGET_BIG_SYM | |
181 | bfd_target TARGET_BIG_SYM = | |
182 | { | |
183 | /* name: identify kind of target */ | |
184 | TARGET_BIG_NAME, | |
185 | ||
186 | /* flavour: general indication about file */ | |
187 | bfd_target_elf_flavour, | |
188 | ||
189 | /* byteorder_big_p: data is big endian */ | |
190 | true, | |
191 | ||
192 | /* header_byteorder_big_p: header is also big endian */ | |
193 | true, | |
194 | ||
195 | /* object_flags: mask of all file flags */ | |
196 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
197 | DYNAMIC | WP_TEXT), | |
198 | ||
199 | /* section_flags: mask of all section flags */ | |
200 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 201 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
202 | |
203 | /* leading_symbol_char: is the first char of a user symbol | |
204 | predictable, and if so what is it */ | |
205 | 0, | |
206 | ||
207 | /* ar_pad_char: pad character for filenames within an archive header | |
208 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
209 | of the archiver and/or os and should be independently tunable */ | |
210 | '/', | |
211 | ||
212 | /* ar_max_namelen: maximum number of characters in an archive header | |
213 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
214 | of the archiver and should be independently tunable. This value is | |
215 | a WAG (wild a** guess) */ | |
7a0c782d | 216 | 14, |
81187b54 KR |
217 | |
218 | /* align_power_min: minimum alignment restriction for any section | |
219 | FIXME: this value may be target machine dependent */ | |
220 | 3, | |
221 | ||
222 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
223 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
224 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
225 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
226 | |
227 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
228 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
229 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
230 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
231 | |
232 | /* bfd_check_format: check the format of a file being read */ | |
233 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 234 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 235 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 236 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
237 | }, |
238 | ||
239 | /* bfd_set_format: set the format of a file being written */ | |
240 | { bfd_false, | |
998ce1e0 | 241 | bfd_elf_mkobject, |
81187b54 KR |
242 | _bfd_generic_mkarchive, |
243 | bfd_false | |
244 | }, | |
245 | ||
246 | /* bfd_write_contents: write cached information into a file being written */ | |
247 | { bfd_false, | |
9942e684 | 248 | bfd_elf32_write_object_contents, |
81187b54 KR |
249 | _bfd_write_archive_contents, |
250 | bfd_false | |
251 | }, | |
252 | ||
6812b607 ILT |
253 | BFD_JUMP_TABLE_GENERIC (bfd_elf32), |
254 | BFD_JUMP_TABLE_COPY (bfd_elf32), | |
255 | BFD_JUMP_TABLE_CORE (bfd_elf32), | |
256 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
257 | BFD_JUMP_TABLE_SYMBOLS (bfd_elf32), | |
258 | BFD_JUMP_TABLE_RELOCS (bfd_elf32), | |
259 | BFD_JUMP_TABLE_WRITE (bfd_elf32), | |
260 | BFD_JUMP_TABLE_LINK (bfd_elf32), | |
cb71adf1 | 261 | BFD_JUMP_TABLE_DYNAMIC (bfd_elf32), |
81187b54 KR |
262 | |
263 | /* backend_data: */ | |
9942e684 | 264 | (PTR) &elf32_bed, |
81187b54 KR |
265 | }; |
266 | #endif | |
267 | ||
268 | #ifdef TARGET_LITTLE_SYM | |
269 | bfd_target TARGET_LITTLE_SYM = | |
270 | { | |
271 | /* name: identify kind of target */ | |
272 | TARGET_LITTLE_NAME, | |
273 | ||
274 | /* flavour: general indication about file */ | |
275 | bfd_target_elf_flavour, | |
276 | ||
277 | /* byteorder_big_p: data is big endian */ | |
278 | false, /* Nope -- this one's little endian */ | |
279 | ||
280 | /* header_byteorder_big_p: header is also big endian */ | |
281 | false, /* Nope -- this one's little endian */ | |
282 | ||
283 | /* object_flags: mask of all file flags */ | |
284 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
285 | DYNAMIC | WP_TEXT), | |
286 | ||
287 | /* section_flags: mask of all section flags */ | |
288 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 289 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
290 | |
291 | /* leading_symbol_char: is the first char of a user symbol | |
292 | predictable, and if so what is it */ | |
293 | 0, | |
294 | ||
295 | /* ar_pad_char: pad character for filenames within an archive header | |
296 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
297 | of the archiver and/or os and should be independently tunable */ | |
298 | '/', | |
299 | ||
300 | /* ar_max_namelen: maximum number of characters in an archive header | |
301 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
302 | of the archiver and should be independently tunable. This value is | |
303 | a WAG (wild a** guess) */ | |
7a0c782d | 304 | 14, |
81187b54 KR |
305 | |
306 | /* align_power_min: minimum alignment restriction for any section | |
307 | FIXME: this value may be target machine dependent */ | |
308 | 3, | |
309 | ||
310 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
311 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
312 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
313 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
314 | |
315 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
316 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
317 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
318 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
319 | |
320 | /* bfd_check_format: check the format of a file being read */ | |
321 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 322 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 323 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 324 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
325 | }, |
326 | ||
327 | /* bfd_set_format: set the format of a file being written */ | |
328 | { bfd_false, | |
998ce1e0 | 329 | bfd_elf_mkobject, |
81187b54 KR |
330 | _bfd_generic_mkarchive, |
331 | bfd_false | |
332 | }, | |
333 | ||
334 | /* bfd_write_contents: write cached information into a file being written */ | |
335 | { bfd_false, | |
9942e684 | 336 | bfd_elf32_write_object_contents, |
81187b54 KR |
337 | _bfd_write_archive_contents, |
338 | bfd_false | |
339 | }, | |
340 | ||
6812b607 ILT |
341 | BFD_JUMP_TABLE_GENERIC (bfd_elf32), |
342 | BFD_JUMP_TABLE_COPY (bfd_elf32), | |
343 | BFD_JUMP_TABLE_CORE (bfd_elf32), | |
344 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
345 | BFD_JUMP_TABLE_SYMBOLS (bfd_elf32), | |
346 | BFD_JUMP_TABLE_RELOCS (bfd_elf32), | |
347 | BFD_JUMP_TABLE_WRITE (bfd_elf32), | |
348 | BFD_JUMP_TABLE_LINK (bfd_elf32), | |
cb71adf1 | 349 | BFD_JUMP_TABLE_DYNAMIC (bfd_elf32), |
81187b54 KR |
350 | |
351 | /* backend_data: */ | |
9942e684 | 352 | (PTR) &elf32_bed, |
81187b54 KR |
353 | }; |
354 | #endif |