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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 | ||
28 | /* Archives are generic or unimplemented. */ | |
9942e684 KR |
29 | #ifndef bfd_elf32_slurp_armap |
30 | #define bfd_elf32_slurp_armap bfd_slurp_coff_armap | |
ae06054e | 31 | #endif |
9942e684 KR |
32 | #define bfd_elf32_slurp_extended_name_table _bfd_slurp_extended_name_table |
33 | #define bfd_elf32_truncate_arname bfd_dont_truncate_arname | |
34 | #define bfd_elf32_openr_next_archived_file bfd_generic_openr_next_archived_file | |
35 | #define bfd_elf32_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
36 | #ifndef bfd_elf32_write_armap | |
37 | #define bfd_elf32_write_armap coff_write_armap | |
ae06054e | 38 | #endif |
81187b54 KR |
39 | |
40 | /* Ordinary section reading and writing */ | |
9942e684 KR |
41 | #define bfd_elf32_get_section_contents bfd_generic_get_section_contents |
42 | #define bfd_elf32_close_and_cleanup bfd_generic_close_and_cleanup | |
43 | ||
44 | #define bfd_elf32_bfd_debug_info_start bfd_void | |
45 | #define bfd_elf32_bfd_debug_info_end bfd_void | |
46 | #define bfd_elf32_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void | |
47 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
81187b54 | 48 | bfd_generic_get_relocated_section_contents |
9942e684 | 49 | #define bfd_elf32_bfd_relax_section bfd_generic_relax_section |
632f2cc7 | 50 | #ifndef bfd_elf32_bfd_seclet_link |
9942e684 | 51 | #define bfd_elf32_bfd_seclet_link bfd_generic_seclet_link |
632f2cc7 | 52 | #endif |
9942e684 | 53 | #define bfd_elf32_bfd_make_debug_symbol \ |
81187b54 KR |
54 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) |
55 | ||
b3024965 KR |
56 | #ifndef elf_info_to_howto_rel |
57 | #define elf_info_to_howto_rel 0 | |
58 | #endif | |
59 | ||
60 | #ifndef ELF_MAXPAGESIZE | |
61 | #define ELF_MAXPAGESIZE 1 | |
62 | #endif | |
63 | ||
643e9fc7 ILT |
64 | #ifndef elf_backend_sym_is_global |
65 | #define elf_backend_sym_is_global 0 | |
66 | #endif | |
a5ccdad1 | 67 | #ifndef elf_backend_object_p |
643e9fc7 | 68 | #define elf_backend_object_p 0 |
a5ccdad1 | 69 | #endif |
e2a422b8 | 70 | #ifndef elf_backend_symbol_processing |
643e9fc7 | 71 | #define elf_backend_symbol_processing 0 |
e2a422b8 KR |
72 | #endif |
73 | #ifndef elf_backend_symbol_table_processing | |
643e9fc7 | 74 | #define elf_backend_symbol_table_processing 0 |
e2a422b8 KR |
75 | #endif |
76 | #ifndef elf_backend_section_processing | |
643e9fc7 | 77 | #define elf_backend_section_processing 0 |
e2a422b8 KR |
78 | #endif |
79 | #ifndef elf_backend_section_from_shdr | |
643e9fc7 | 80 | #define elf_backend_section_from_shdr 0 |
e2a422b8 KR |
81 | #endif |
82 | #ifndef elf_backend_fake_sections | |
643e9fc7 | 83 | #define elf_backend_fake_sections 0 |
e2a422b8 KR |
84 | #endif |
85 | #ifndef elf_backend_section_from_bfd_section | |
643e9fc7 ILT |
86 | #define elf_backend_section_from_bfd_section 0 |
87 | #endif | |
88 | #ifndef elf_backend_final_write_processing | |
89 | #define elf_backend_final_write_processing 0 | |
e2a422b8 | 90 | #endif |
95469b02 | 91 | #ifndef elf_backend_ecoff_debug_swap |
643e9fc7 | 92 | #define elf_backend_ecoff_debug_swap 0 |
95469b02 | 93 | #endif |
e2a422b8 | 94 | |
268f94ac | 95 | static CONST struct elf_backend_data elf32_bed = |
81187b54 | 96 | { |
7050286d KR |
97 | #ifdef USE_REL |
98 | 0, /* use_rela_p */ | |
99 | #else | |
100 | 1, /* use_rela_p */ | |
101 | #endif | |
102 | 0, /* elf_64_p */ | |
103 | ELF_ARCH, /* arch */ | |
a5ccdad1 | 104 | ELF_MACHINE_CODE, /* elf_machine_code */ |
95469b02 | 105 | ELF_MAXPAGESIZE, /* maxpagesize */ |
643e9fc7 ILT |
106 | elf_info_to_howto, |
107 | elf_info_to_howto_rel, | |
108 | elf_backend_sym_is_global, | |
109 | elf_backend_object_p, | |
110 | elf_backend_symbol_processing, | |
111 | elf_backend_symbol_table_processing, | |
112 | elf_backend_section_processing, | |
113 | elf_backend_section_from_shdr, | |
114 | elf_backend_fake_sections, | |
115 | elf_backend_section_from_bfd_section, | |
116 | elf_backend_final_write_processing, | |
117 | elf_backend_ecoff_debug_swap | |
81187b54 KR |
118 | }; |
119 | ||
120 | #ifdef TARGET_BIG_SYM | |
121 | bfd_target TARGET_BIG_SYM = | |
122 | { | |
123 | /* name: identify kind of target */ | |
124 | TARGET_BIG_NAME, | |
125 | ||
126 | /* flavour: general indication about file */ | |
127 | bfd_target_elf_flavour, | |
128 | ||
129 | /* byteorder_big_p: data is big endian */ | |
130 | true, | |
131 | ||
132 | /* header_byteorder_big_p: header is also big endian */ | |
133 | true, | |
134 | ||
135 | /* object_flags: mask of all file flags */ | |
136 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
137 | DYNAMIC | WP_TEXT), | |
138 | ||
139 | /* section_flags: mask of all section flags */ | |
140 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 141 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
142 | |
143 | /* leading_symbol_char: is the first char of a user symbol | |
144 | predictable, and if so what is it */ | |
145 | 0, | |
146 | ||
147 | /* ar_pad_char: pad character for filenames within an archive header | |
148 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
149 | of the archiver and/or os and should be independently tunable */ | |
150 | '/', | |
151 | ||
152 | /* ar_max_namelen: maximum number of characters in an archive header | |
153 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
154 | of the archiver and should be independently tunable. This value is | |
155 | a WAG (wild a** guess) */ | |
156 | 15, | |
157 | ||
158 | /* align_power_min: minimum alignment restriction for any section | |
159 | FIXME: this value may be target machine dependent */ | |
160 | 3, | |
161 | ||
162 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
163 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
164 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
165 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
166 | |
167 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
168 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
169 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
170 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
171 | |
172 | /* bfd_check_format: check the format of a file being read */ | |
173 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 174 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 175 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 176 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
177 | }, |
178 | ||
179 | /* bfd_set_format: set the format of a file being written */ | |
180 | { bfd_false, | |
998ce1e0 | 181 | bfd_elf_mkobject, |
81187b54 KR |
182 | _bfd_generic_mkarchive, |
183 | bfd_false | |
184 | }, | |
185 | ||
186 | /* bfd_write_contents: write cached information into a file being written */ | |
187 | { bfd_false, | |
9942e684 | 188 | bfd_elf32_write_object_contents, |
81187b54 KR |
189 | _bfd_write_archive_contents, |
190 | bfd_false | |
191 | }, | |
192 | ||
193 | /* Initialize a jump table with the standard macro. All names start with | |
194 | "elf" */ | |
9942e684 | 195 | JUMP_TABLE(bfd_elf32), |
81187b54 KR |
196 | |
197 | /* backend_data: */ | |
9942e684 | 198 | (PTR) &elf32_bed, |
81187b54 KR |
199 | }; |
200 | #endif | |
201 | ||
202 | #ifdef TARGET_LITTLE_SYM | |
203 | bfd_target TARGET_LITTLE_SYM = | |
204 | { | |
205 | /* name: identify kind of target */ | |
206 | TARGET_LITTLE_NAME, | |
207 | ||
208 | /* flavour: general indication about file */ | |
209 | bfd_target_elf_flavour, | |
210 | ||
211 | /* byteorder_big_p: data is big endian */ | |
212 | false, /* Nope -- this one's little endian */ | |
213 | ||
214 | /* header_byteorder_big_p: header is also big endian */ | |
215 | false, /* Nope -- this one's little endian */ | |
216 | ||
217 | /* object_flags: mask of all file flags */ | |
218 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
219 | DYNAMIC | WP_TEXT), | |
220 | ||
221 | /* section_flags: mask of all section flags */ | |
222 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 223 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
224 | |
225 | /* leading_symbol_char: is the first char of a user symbol | |
226 | predictable, and if so what is it */ | |
227 | 0, | |
228 | ||
229 | /* ar_pad_char: pad character for filenames within an archive header | |
230 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
231 | of the archiver and/or os and should be independently tunable */ | |
232 | '/', | |
233 | ||
234 | /* ar_max_namelen: maximum number of characters in an archive header | |
235 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
236 | of the archiver and should be independently tunable. This value is | |
237 | a WAG (wild a** guess) */ | |
238 | 15, | |
239 | ||
240 | /* align_power_min: minimum alignment restriction for any section | |
241 | FIXME: this value may be target machine dependent */ | |
242 | 3, | |
243 | ||
244 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
245 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
246 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
247 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
248 | |
249 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
250 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
251 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
252 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
253 | |
254 | /* bfd_check_format: check the format of a file being read */ | |
255 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 256 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 257 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 258 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
259 | }, |
260 | ||
261 | /* bfd_set_format: set the format of a file being written */ | |
262 | { bfd_false, | |
998ce1e0 | 263 | bfd_elf_mkobject, |
81187b54 KR |
264 | _bfd_generic_mkarchive, |
265 | bfd_false | |
266 | }, | |
267 | ||
268 | /* bfd_write_contents: write cached information into a file being written */ | |
269 | { bfd_false, | |
9942e684 | 270 | bfd_elf32_write_object_contents, |
81187b54 KR |
271 | _bfd_write_archive_contents, |
272 | bfd_false | |
273 | }, | |
274 | ||
275 | /* Initialize a jump table with the standard macro. All names start with | |
276 | "elf" */ | |
9942e684 | 277 | JUMP_TABLE(bfd_elf32), |
81187b54 KR |
278 | |
279 | /* backend_data: */ | |
9942e684 | 280 | (PTR) &elf32_bed, |
81187b54 KR |
281 | }; |
282 | #endif |