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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 | |
50 | #define bfd_elf64_bfd_seclet_link bfd_generic_seclet_link | |
51 | #define bfd_elf64_bfd_make_debug_symbol \ | |
52 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) | |
53 | ||
b3024965 KR |
54 | #ifndef elf_info_to_howto_rel |
55 | #define elf_info_to_howto_rel 0 | |
56 | #endif | |
57 | ||
58 | #ifndef ELF_MAXPAGESIZE | |
59 | #define ELF_MAXPAGESIZE 1 | |
60 | #endif | |
61 | ||
a5ccdad1 ILT |
62 | #ifndef elf_backend_object_p |
63 | #define elf_backend_object_p 0 /* elf_backend_object_p */ | |
64 | #endif | |
95469b02 ILT |
65 | #ifndef elf_backend_symbol_processing |
66 | #define elf_backend_symbol_processing 0 /* elf_backend_symbol_processing */ | |
67 | #endif | |
68 | #ifndef elf_backend_symbol_table_processing | |
69 | #define elf_backend_symbol_table_processing 0 /* elf_backend_symbol_table_processing */ | |
70 | #endif | |
71 | #ifndef elf_backend_section_processing | |
72 | #define elf_backend_section_processing 0 /* elf_backend_section_processing */ | |
73 | #endif | |
74 | #ifndef elf_backend_section_from_shdr | |
75 | #define elf_backend_section_from_shdr 0 /* elf_backend_section_from_shdr */ | |
76 | #endif | |
77 | #ifndef elf_backend_fake_sections | |
78 | #define elf_backend_fake_sections 0 /* elf_backend_fake_sections */ | |
79 | #endif | |
80 | #ifndef elf_backend_section_from_bfd_section | |
81 | #define elf_backend_section_from_bfd_section 0 /* elf_backend_section_from_bfd_section */ | |
82 | #endif | |
83 | #ifndef elf_backend_ecoff_debug_swap | |
84 | #define elf_backend_ecoff_debug_swap 0 /* elf_backed_ecoff_debug_swap */ | |
85 | #endif | |
86 | ||
3adad029 KR |
87 | static CONST struct elf_backend_data elf64_bed = |
88 | { | |
89 | #ifdef USE_REL | |
90 | 0, /* use_rela_p */ | |
91 | #else | |
92 | 1, /* use_rela_p */ | |
93 | #endif | |
95469b02 | 94 | 1, /* elf_64_p */ |
3adad029 | 95 | ELF_ARCH, /* arch */ |
a5ccdad1 | 96 | ELF_MACHINE_CODE, /* elf_machine_code */ |
95469b02 | 97 | ELF_MAXPAGESIZE, /* maxpagesize */ |
3adad029 | 98 | elf_info_to_howto, /* elf_info_to_howto */ |
3adad029 | 99 | elf_info_to_howto_rel, /* elf_info_to_howto_rel */ |
a5ccdad1 | 100 | elf_backend_object_p, /* elf_backend_object_p */ |
95469b02 ILT |
101 | elf_backend_symbol_processing, /* elf_backend_symbol_processing */ |
102 | elf_backend_symbol_table_processing, /* elf_backend_symbol_table_processing */ | |
103 | elf_backend_section_processing, /* elf_backend_section_processing */ | |
104 | elf_backend_section_from_shdr, /* elf_backend_section_from_shdr */ | |
105 | elf_backend_fake_sections, /* elf_backend_fake_sections */ | |
106 | elf_backend_section_from_bfd_section, /* elf_backend_section_from_bfd_section */ | |
107 | elf_backend_ecoff_debug_swap /* elf_backend_ecoff_debug_swap */ | |
3adad029 KR |
108 | }; |
109 | ||
110 | #ifdef TARGET_BIG_SYM | |
111 | bfd_target TARGET_BIG_SYM = | |
112 | { | |
113 | /* name: identify kind of target */ | |
114 | TARGET_BIG_NAME, | |
115 | ||
116 | /* flavour: general indication about file */ | |
117 | bfd_target_elf_flavour, | |
118 | ||
119 | /* byteorder_big_p: data is big endian */ | |
120 | true, | |
121 | ||
122 | /* header_byteorder_big_p: header is also big endian */ | |
123 | true, | |
124 | ||
125 | /* object_flags: mask of all file flags */ | |
126 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
127 | DYNAMIC | WP_TEXT), | |
128 | ||
129 | /* section_flags: mask of all section flags */ | |
130 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 131 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
3adad029 KR |
132 | |
133 | /* leading_symbol_char: is the first char of a user symbol | |
134 | predictable, and if so what is it */ | |
135 | 0, | |
136 | ||
137 | /* ar_pad_char: pad character for filenames within an archive header | |
138 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
139 | of the archiver and/or os and should be independently tunable */ | |
140 | '/', | |
141 | ||
142 | /* ar_max_namelen: maximum number of characters in an archive header | |
143 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
144 | of the archiver and should be independently tunable. This value is | |
145 | a WAG (wild a** guess) */ | |
146 | 15, | |
147 | ||
148 | /* align_power_min: minimum alignment restriction for any section | |
149 | FIXME: this value may be target machine dependent */ | |
150 | 3, | |
151 | ||
152 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
153 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
154 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
155 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
3adad029 KR |
156 | |
157 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
158 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
159 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
160 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
3adad029 KR |
161 | |
162 | /* bfd_check_format: check the format of a file being read */ | |
163 | { _bfd_dummy_target, /* unknown format */ | |
164 | bfd_elf64_object_p, /* assembler/linker output (object file) */ | |
165 | bfd_generic_archive_p, /* an archive */ | |
166 | bfd_elf64_core_file_p /* a core file */ | |
167 | }, | |
168 | ||
169 | /* bfd_set_format: set the format of a file being written */ | |
170 | { bfd_false, | |
171 | bfd_elf_mkobject, | |
172 | _bfd_generic_mkarchive, | |
173 | bfd_false | |
174 | }, | |
175 | ||
176 | /* bfd_write_contents: write cached information into a file being written */ | |
177 | { bfd_false, | |
178 | bfd_elf64_write_object_contents, | |
179 | _bfd_write_archive_contents, | |
180 | bfd_false | |
181 | }, | |
182 | ||
183 | /* Initialize a jump table with the standard macro. All names start with | |
184 | "elf" */ | |
185 | JUMP_TABLE(bfd_elf64), | |
186 | ||
187 | /* backend_data: */ | |
188 | (PTR) &elf64_bed, | |
189 | }; | |
190 | #endif | |
191 | ||
192 | #ifdef TARGET_LITTLE_SYM | |
193 | bfd_target TARGET_LITTLE_SYM = | |
194 | { | |
195 | /* name: identify kind of target */ | |
196 | TARGET_LITTLE_NAME, | |
197 | ||
198 | /* flavour: general indication about file */ | |
199 | bfd_target_elf_flavour, | |
200 | ||
201 | /* byteorder_big_p: data is big endian */ | |
202 | false, /* Nope -- this one's little endian */ | |
203 | ||
204 | /* header_byteorder_big_p: header is also big endian */ | |
205 | false, /* Nope -- this one's little endian */ | |
206 | ||
207 | /* object_flags: mask of all file flags */ | |
208 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
209 | DYNAMIC | WP_TEXT), | |
210 | ||
211 | /* section_flags: mask of all section flags */ | |
212 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 213 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
3adad029 KR |
214 | |
215 | /* leading_symbol_char: is the first char of a user symbol | |
216 | predictable, and if so what is it */ | |
217 | 0, | |
218 | ||
219 | /* ar_pad_char: pad character for filenames within an archive header | |
220 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
221 | of the archiver and/or os and should be independently tunable */ | |
222 | '/', | |
223 | ||
224 | /* ar_max_namelen: maximum number of characters in an archive header | |
225 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
226 | of the archiver and should be independently tunable. This value is | |
227 | a WAG (wild a** guess) */ | |
228 | 15, | |
229 | ||
230 | /* align_power_min: minimum alignment restriction for any section | |
231 | FIXME: this value may be target machine dependent */ | |
232 | 3, | |
233 | ||
234 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
235 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
236 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
237 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
3adad029 KR |
238 | |
239 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
240 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
241 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
242 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
3adad029 KR |
243 | |
244 | /* bfd_check_format: check the format of a file being read */ | |
245 | { _bfd_dummy_target, /* unknown format */ | |
246 | bfd_elf64_object_p, /* assembler/linker output (object file) */ | |
247 | bfd_generic_archive_p, /* an archive */ | |
248 | bfd_elf64_core_file_p /* a core file */ | |
249 | }, | |
250 | ||
251 | /* bfd_set_format: set the format of a file being written */ | |
252 | { bfd_false, | |
253 | bfd_elf_mkobject, | |
254 | _bfd_generic_mkarchive, | |
255 | bfd_false | |
256 | }, | |
257 | ||
258 | /* bfd_write_contents: write cached information into a file being written */ | |
259 | { bfd_false, | |
260 | bfd_elf64_write_object_contents, | |
261 | _bfd_write_archive_contents, | |
262 | bfd_false | |
263 | }, | |
264 | ||
265 | /* Initialize a jump table with the standard macro. All names start with | |
266 | "elf" */ | |
267 | JUMP_TABLE(bfd_elf64), | |
268 | ||
269 | /* backend_data: */ | |
270 | (PTR) &elf64_bed, | |
271 | }; | |
272 | #endif |