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3adad029 KR |
1 | /* Target definitions for 64-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. */ | |
29 | #ifndef bfd_elf64_slurp_armap | |
30 | #define bfd_elf64_slurp_armap bfd_slurp_coff_armap | |
31 | #endif | |
32 | #define bfd_elf64_slurp_extended_name_table _bfd_slurp_extended_name_table | |
33 | #define bfd_elf64_truncate_arname bfd_dont_truncate_arname | |
34 | #define bfd_elf64_openr_next_archived_file bfd_generic_openr_next_archived_file | |
35 | #define bfd_elf64_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
36 | #ifndef bfd_elf64_write_armap | |
37 | #define bfd_elf64_write_armap coff_write_armap | |
38 | #endif | |
39 | ||
40 | /* Ordinary section reading and writing */ | |
41 | #define bfd_elf64_get_section_contents bfd_generic_get_section_contents | |
42 | #define bfd_elf64_close_and_cleanup bfd_generic_close_and_cleanup | |
43 | ||
44 | #define bfd_elf64_bfd_debug_info_start bfd_void | |
45 | #define bfd_elf64_bfd_debug_info_end bfd_void | |
46 | #define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void | |
47 | #define bfd_elf64_bfd_get_relocated_section_contents \ | |
48 | bfd_generic_get_relocated_section_contents | |
49 | #define bfd_elf64_bfd_relax_section bfd_generic_relax_section | |
3adad029 KR |
50 | #define bfd_elf64_bfd_make_debug_symbol \ |
51 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) | |
4c3721d5 ILT |
52 | #ifndef bfd_elf64_bfd_link_hash_table_create |
53 | #define bfd_elf64_bfd_link_hash_table_create \ | |
54 | _bfd_generic_link_hash_table_create | |
55 | #endif | |
56 | #ifndef bfd_elf64_bfd_link_add_symbols | |
57 | #define bfd_elf64_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
58 | #endif | |
59 | #ifndef bfd_elf64_bfd_final_link | |
60 | #define bfd_elf64_bfd_final_link _bfd_generic_final_link | |
61 | #endif | |
3adad029 | 62 | |
b3024965 KR |
63 | #ifndef elf_info_to_howto_rel |
64 | #define elf_info_to_howto_rel 0 | |
65 | #endif | |
66 | ||
67 | #ifndef ELF_MAXPAGESIZE | |
68 | #define ELF_MAXPAGESIZE 1 | |
69 | #endif | |
70 | ||
643e9fc7 ILT |
71 | #ifndef elf_backend_sym_is_global |
72 | #define elf_backend_sym_is_global 0 | |
73 | #endif | |
a5ccdad1 | 74 | #ifndef elf_backend_object_p |
643e9fc7 | 75 | #define elf_backend_object_p 0 |
a5ccdad1 | 76 | #endif |
95469b02 | 77 | #ifndef elf_backend_symbol_processing |
643e9fc7 | 78 | #define elf_backend_symbol_processing 0 |
95469b02 ILT |
79 | #endif |
80 | #ifndef elf_backend_symbol_table_processing | |
643e9fc7 | 81 | #define elf_backend_symbol_table_processing 0 |
95469b02 ILT |
82 | #endif |
83 | #ifndef elf_backend_section_processing | |
643e9fc7 | 84 | #define elf_backend_section_processing 0 |
95469b02 ILT |
85 | #endif |
86 | #ifndef elf_backend_section_from_shdr | |
643e9fc7 | 87 | #define elf_backend_section_from_shdr 0 |
95469b02 ILT |
88 | #endif |
89 | #ifndef elf_backend_fake_sections | |
643e9fc7 | 90 | #define elf_backend_fake_sections 0 |
95469b02 ILT |
91 | #endif |
92 | #ifndef elf_backend_section_from_bfd_section | |
643e9fc7 ILT |
93 | #define elf_backend_section_from_bfd_section 0 |
94 | #endif | |
95 | #ifndef elf_backend_final_write_processing | |
96 | #define elf_backend_final_write_processing 0 | |
95469b02 ILT |
97 | #endif |
98 | #ifndef elf_backend_ecoff_debug_swap | |
643e9fc7 | 99 | #define elf_backend_ecoff_debug_swap 0 |
95469b02 ILT |
100 | #endif |
101 | ||
3adad029 KR |
102 | static CONST struct elf_backend_data elf64_bed = |
103 | { | |
104 | #ifdef USE_REL | |
105 | 0, /* use_rela_p */ | |
106 | #else | |
107 | 1, /* use_rela_p */ | |
108 | #endif | |
95469b02 | 109 | 1, /* elf_64_p */ |
3adad029 | 110 | ELF_ARCH, /* arch */ |
a5ccdad1 | 111 | ELF_MACHINE_CODE, /* elf_machine_code */ |
95469b02 | 112 | ELF_MAXPAGESIZE, /* maxpagesize */ |
643e9fc7 ILT |
113 | elf_info_to_howto, |
114 | elf_info_to_howto_rel, | |
115 | elf_backend_sym_is_global, | |
116 | elf_backend_object_p, | |
117 | elf_backend_symbol_processing, | |
118 | elf_backend_symbol_table_processing, | |
119 | elf_backend_section_processing, | |
120 | elf_backend_section_from_shdr, | |
121 | elf_backend_fake_sections, | |
122 | elf_backend_section_from_bfd_section, | |
123 | elf_backend_ecoff_debug_swap | |
3adad029 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), |
3adad029 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, | |
3adad029 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, | |
3adad029 KR |
177 | |
178 | /* bfd_check_format: check the format of a file being read */ | |
179 | { _bfd_dummy_target, /* unknown format */ | |
180 | bfd_elf64_object_p, /* assembler/linker output (object file) */ | |
181 | bfd_generic_archive_p, /* an archive */ | |
182 | bfd_elf64_core_file_p /* a core file */ | |
183 | }, | |
184 | ||
185 | /* bfd_set_format: set the format of a file being written */ | |
186 | { bfd_false, | |
187 | bfd_elf_mkobject, | |
188 | _bfd_generic_mkarchive, | |
189 | bfd_false | |
190 | }, | |
191 | ||
192 | /* bfd_write_contents: write cached information into a file being written */ | |
193 | { bfd_false, | |
194 | bfd_elf64_write_object_contents, | |
195 | _bfd_write_archive_contents, | |
196 | bfd_false | |
197 | }, | |
198 | ||
199 | /* Initialize a jump table with the standard macro. All names start with | |
200 | "elf" */ | |
201 | JUMP_TABLE(bfd_elf64), | |
202 | ||
203 | /* backend_data: */ | |
204 | (PTR) &elf64_bed, | |
205 | }; | |
206 | #endif | |
207 | ||
208 | #ifdef TARGET_LITTLE_SYM | |
209 | bfd_target TARGET_LITTLE_SYM = | |
210 | { | |
211 | /* name: identify kind of target */ | |
212 | TARGET_LITTLE_NAME, | |
213 | ||
214 | /* flavour: general indication about file */ | |
215 | bfd_target_elf_flavour, | |
216 | ||
217 | /* byteorder_big_p: data is big endian */ | |
218 | false, /* Nope -- this one's little endian */ | |
219 | ||
220 | /* header_byteorder_big_p: header is also big endian */ | |
221 | false, /* Nope -- this one's little endian */ | |
222 | ||
223 | /* object_flags: mask of all file flags */ | |
224 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
225 | DYNAMIC | WP_TEXT), | |
226 | ||
227 | /* section_flags: mask of all section flags */ | |
228 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 229 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
3adad029 KR |
230 | |
231 | /* leading_symbol_char: is the first char of a user symbol | |
232 | predictable, and if so what is it */ | |
233 | 0, | |
234 | ||
235 | /* ar_pad_char: pad character for filenames within an archive header | |
236 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
237 | of the archiver and/or os and should be independently tunable */ | |
238 | '/', | |
239 | ||
240 | /* ar_max_namelen: maximum number of characters in an archive header | |
241 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
242 | of the archiver and should be independently tunable. This value is | |
243 | a WAG (wild a** guess) */ | |
244 | 15, | |
245 | ||
246 | /* align_power_min: minimum alignment restriction for any section | |
247 | FIXME: this value may be target machine dependent */ | |
248 | 3, | |
249 | ||
250 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
251 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
252 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
253 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
3adad029 KR |
254 | |
255 | /* Routines to byte-swap various sized integers from the file headers */ | |
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, | |
3adad029 KR |
259 | |
260 | /* bfd_check_format: check the format of a file being read */ | |
261 | { _bfd_dummy_target, /* unknown format */ | |
262 | bfd_elf64_object_p, /* assembler/linker output (object file) */ | |
263 | bfd_generic_archive_p, /* an archive */ | |
264 | bfd_elf64_core_file_p /* a core file */ | |
265 | }, | |
266 | ||
267 | /* bfd_set_format: set the format of a file being written */ | |
268 | { bfd_false, | |
269 | bfd_elf_mkobject, | |
270 | _bfd_generic_mkarchive, | |
271 | bfd_false | |
272 | }, | |
273 | ||
274 | /* bfd_write_contents: write cached information into a file being written */ | |
275 | { bfd_false, | |
276 | bfd_elf64_write_object_contents, | |
277 | _bfd_write_archive_contents, | |
278 | bfd_false | |
279 | }, | |
280 | ||
281 | /* Initialize a jump table with the standard macro. All names start with | |
282 | "elf" */ | |
283 | JUMP_TABLE(bfd_elf64), | |
284 | ||
285 | /* backend_data: */ | |
286 | (PTR) &elf64_bed, | |
287 | }; | |
288 | #endif |