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81187b54 KR |
1 | /* Target definitions for 32-bit ELF |
2 | Copyright 1993 Free Software Foundation, Inc. | |
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 | 38 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) |
4c3721d5 ILT |
39 | #ifndef bfd_elf32_bfd_link_hash_table_create |
40 | #define bfd_elf32_bfd_link_hash_table_create \ | |
41 | _bfd_generic_link_hash_table_create | |
42 | #endif | |
43 | #ifndef bfd_elf32_bfd_link_add_symbols | |
44 | #define bfd_elf32_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
45 | #endif | |
46 | #ifndef bfd_elf32_bfd_final_link | |
47 | #define bfd_elf32_bfd_final_link _bfd_generic_final_link | |
48 | #endif | |
81187b54 | 49 | |
5b3577cb JL |
50 | #ifndef bfd_elf32_bfd_copy_private_section_data |
51 | #define bfd_elf32_bfd_copy_private_section_data \ | |
52 | ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true) | |
53 | #endif | |
54 | #ifndef bfd_elf32_bfd_copy_private_bfd_data | |
55 | #define bfd_elf32_bfd_copy_private_bfd_data \ | |
56 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) | |
57 | #endif | |
58 | #ifndef bfd_elf32_bfd_is_local_label | |
59 | #define bfd_elf32_bfd_is_local_label bfd_generic_is_local_label | |
60 | #endif | |
61 | ||
b3024965 KR |
62 | #ifndef elf_info_to_howto_rel |
63 | #define elf_info_to_howto_rel 0 | |
64 | #endif | |
65 | ||
66 | #ifndef ELF_MAXPAGESIZE | |
67 | #define ELF_MAXPAGESIZE 1 | |
68 | #endif | |
69 | ||
643e9fc7 ILT |
70 | #ifndef elf_backend_sym_is_global |
71 | #define elf_backend_sym_is_global 0 | |
72 | #endif | |
a5ccdad1 | 73 | #ifndef elf_backend_object_p |
643e9fc7 | 74 | #define elf_backend_object_p 0 |
a5ccdad1 | 75 | #endif |
e2a422b8 | 76 | #ifndef elf_backend_symbol_processing |
643e9fc7 | 77 | #define elf_backend_symbol_processing 0 |
e2a422b8 KR |
78 | #endif |
79 | #ifndef elf_backend_symbol_table_processing | |
643e9fc7 | 80 | #define elf_backend_symbol_table_processing 0 |
e2a422b8 KR |
81 | #endif |
82 | #ifndef elf_backend_section_processing | |
643e9fc7 | 83 | #define elf_backend_section_processing 0 |
e2a422b8 KR |
84 | #endif |
85 | #ifndef elf_backend_section_from_shdr | |
643e9fc7 | 86 | #define elf_backend_section_from_shdr 0 |
e2a422b8 KR |
87 | #endif |
88 | #ifndef elf_backend_fake_sections | |
643e9fc7 | 89 | #define elf_backend_fake_sections 0 |
e2a422b8 KR |
90 | #endif |
91 | #ifndef elf_backend_section_from_bfd_section | |
643e9fc7 ILT |
92 | #define elf_backend_section_from_bfd_section 0 |
93 | #endif | |
94 | #ifndef elf_backend_final_write_processing | |
95 | #define elf_backend_final_write_processing 0 | |
e2a422b8 | 96 | #endif |
95469b02 | 97 | #ifndef elf_backend_ecoff_debug_swap |
643e9fc7 | 98 | #define elf_backend_ecoff_debug_swap 0 |
95469b02 | 99 | #endif |
e2a422b8 | 100 | |
268f94ac | 101 | static CONST struct elf_backend_data elf32_bed = |
81187b54 | 102 | { |
7050286d KR |
103 | #ifdef USE_REL |
104 | 0, /* use_rela_p */ | |
105 | #else | |
106 | 1, /* use_rela_p */ | |
107 | #endif | |
108 | 0, /* elf_64_p */ | |
109 | ELF_ARCH, /* arch */ | |
a5ccdad1 | 110 | ELF_MACHINE_CODE, /* elf_machine_code */ |
95469b02 | 111 | ELF_MAXPAGESIZE, /* maxpagesize */ |
643e9fc7 ILT |
112 | elf_info_to_howto, |
113 | elf_info_to_howto_rel, | |
114 | elf_backend_sym_is_global, | |
115 | elf_backend_object_p, | |
116 | elf_backend_symbol_processing, | |
117 | elf_backend_symbol_table_processing, | |
118 | elf_backend_section_processing, | |
119 | elf_backend_section_from_shdr, | |
120 | elf_backend_fake_sections, | |
121 | elf_backend_section_from_bfd_section, | |
122 | elf_backend_final_write_processing, | |
123 | elf_backend_ecoff_debug_swap | |
81187b54 KR |
124 | }; |
125 | ||
126 | #ifdef TARGET_BIG_SYM | |
127 | bfd_target TARGET_BIG_SYM = | |
128 | { | |
129 | /* name: identify kind of target */ | |
130 | TARGET_BIG_NAME, | |
131 | ||
132 | /* flavour: general indication about file */ | |
133 | bfd_target_elf_flavour, | |
134 | ||
135 | /* byteorder_big_p: data is big endian */ | |
136 | true, | |
137 | ||
138 | /* header_byteorder_big_p: header is also big endian */ | |
139 | true, | |
140 | ||
141 | /* object_flags: mask of all file flags */ | |
142 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
143 | DYNAMIC | WP_TEXT), | |
144 | ||
145 | /* section_flags: mask of all section flags */ | |
146 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 147 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
148 | |
149 | /* leading_symbol_char: is the first char of a user symbol | |
150 | predictable, and if so what is it */ | |
151 | 0, | |
152 | ||
153 | /* ar_pad_char: pad character for filenames within an archive header | |
154 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
155 | of the archiver and/or os and should be independently tunable */ | |
156 | '/', | |
157 | ||
158 | /* ar_max_namelen: maximum number of characters in an archive header | |
159 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
160 | of the archiver and should be independently tunable. This value is | |
161 | a WAG (wild a** guess) */ | |
162 | 15, | |
163 | ||
164 | /* align_power_min: minimum alignment restriction for any section | |
165 | FIXME: this value may be target machine dependent */ | |
166 | 3, | |
167 | ||
168 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
169 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
170 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
171 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
172 | |
173 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
174 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
175 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
176 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
177 | |
178 | /* bfd_check_format: check the format of a file being read */ | |
179 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 180 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 181 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 182 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
183 | }, |
184 | ||
185 | /* bfd_set_format: set the format of a file being written */ | |
186 | { bfd_false, | |
998ce1e0 | 187 | bfd_elf_mkobject, |
81187b54 KR |
188 | _bfd_generic_mkarchive, |
189 | bfd_false | |
190 | }, | |
191 | ||
192 | /* bfd_write_contents: write cached information into a file being written */ | |
193 | { bfd_false, | |
9942e684 | 194 | bfd_elf32_write_object_contents, |
81187b54 KR |
195 | _bfd_write_archive_contents, |
196 | bfd_false | |
197 | }, | |
198 | ||
6812b607 ILT |
199 | BFD_JUMP_TABLE_GENERIC (bfd_elf32), |
200 | BFD_JUMP_TABLE_COPY (bfd_elf32), | |
201 | BFD_JUMP_TABLE_CORE (bfd_elf32), | |
202 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
203 | BFD_JUMP_TABLE_SYMBOLS (bfd_elf32), | |
204 | BFD_JUMP_TABLE_RELOCS (bfd_elf32), | |
205 | BFD_JUMP_TABLE_WRITE (bfd_elf32), | |
206 | BFD_JUMP_TABLE_LINK (bfd_elf32), | |
81187b54 KR |
207 | |
208 | /* backend_data: */ | |
9942e684 | 209 | (PTR) &elf32_bed, |
81187b54 KR |
210 | }; |
211 | #endif | |
212 | ||
213 | #ifdef TARGET_LITTLE_SYM | |
214 | bfd_target TARGET_LITTLE_SYM = | |
215 | { | |
216 | /* name: identify kind of target */ | |
217 | TARGET_LITTLE_NAME, | |
218 | ||
219 | /* flavour: general indication about file */ | |
220 | bfd_target_elf_flavour, | |
221 | ||
222 | /* byteorder_big_p: data is big endian */ | |
223 | false, /* Nope -- this one's little endian */ | |
224 | ||
225 | /* header_byteorder_big_p: header is also big endian */ | |
226 | false, /* Nope -- this one's little endian */ | |
227 | ||
228 | /* object_flags: mask of all file flags */ | |
229 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
230 | DYNAMIC | WP_TEXT), | |
231 | ||
232 | /* section_flags: mask of all section flags */ | |
233 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 234 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
235 | |
236 | /* leading_symbol_char: is the first char of a user symbol | |
237 | predictable, and if so what is it */ | |
238 | 0, | |
239 | ||
240 | /* ar_pad_char: pad character for filenames within an archive header | |
241 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
242 | of the archiver and/or os and should be independently tunable */ | |
243 | '/', | |
244 | ||
245 | /* ar_max_namelen: maximum number of characters in an archive header | |
246 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
247 | of the archiver and should be independently tunable. This value is | |
248 | a WAG (wild a** guess) */ | |
249 | 15, | |
250 | ||
251 | /* align_power_min: minimum alignment restriction for any section | |
252 | FIXME: this value may be target machine dependent */ | |
253 | 3, | |
254 | ||
255 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
256 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
257 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
258 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
259 | |
260 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
261 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
262 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
263 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
264 | |
265 | /* bfd_check_format: check the format of a file being read */ | |
266 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 267 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 268 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 269 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
270 | }, |
271 | ||
272 | /* bfd_set_format: set the format of a file being written */ | |
273 | { bfd_false, | |
998ce1e0 | 274 | bfd_elf_mkobject, |
81187b54 KR |
275 | _bfd_generic_mkarchive, |
276 | bfd_false | |
277 | }, | |
278 | ||
279 | /* bfd_write_contents: write cached information into a file being written */ | |
280 | { bfd_false, | |
9942e684 | 281 | bfd_elf32_write_object_contents, |
81187b54 KR |
282 | _bfd_write_archive_contents, |
283 | bfd_false | |
284 | }, | |
285 | ||
6812b607 ILT |
286 | BFD_JUMP_TABLE_GENERIC (bfd_elf32), |
287 | BFD_JUMP_TABLE_COPY (bfd_elf32), | |
288 | BFD_JUMP_TABLE_CORE (bfd_elf32), | |
289 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
290 | BFD_JUMP_TABLE_SYMBOLS (bfd_elf32), | |
291 | BFD_JUMP_TABLE_RELOCS (bfd_elf32), | |
292 | BFD_JUMP_TABLE_WRITE (bfd_elf32), | |
293 | BFD_JUMP_TABLE_LINK (bfd_elf32), | |
81187b54 KR |
294 | |
295 | /* backend_data: */ | |
9942e684 | 296 | (PTR) &elf32_bed, |
81187b54 KR |
297 | }; |
298 | #endif |