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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 | ||
3adad029 KR |
62 | static CONST struct elf_backend_data elf64_bed = |
63 | { | |
64 | #ifdef USE_REL | |
65 | 0, /* use_rela_p */ | |
66 | #else | |
67 | 1, /* use_rela_p */ | |
68 | #endif | |
69 | 0, /* elf_64_p */ | |
70 | ELF_ARCH, /* arch */ | |
71 | elf_info_to_howto, /* elf_info_to_howto */ | |
72 | #ifdef elf_info_to_howto_rel | |
73 | elf_info_to_howto_rel, /* elf_info_to_howto_rel */ | |
74 | #else | |
75 | 0, /* elf_info_to_howto_rel */ | |
76 | #endif | |
b3024965 | 77 | ELF_MAXPAGESIZE, /* maxpagesize */ |
3adad029 KR |
78 | }; |
79 | ||
80 | #ifdef TARGET_BIG_SYM | |
81 | bfd_target TARGET_BIG_SYM = | |
82 | { | |
83 | /* name: identify kind of target */ | |
84 | TARGET_BIG_NAME, | |
85 | ||
86 | /* flavour: general indication about file */ | |
87 | bfd_target_elf_flavour, | |
88 | ||
89 | /* byteorder_big_p: data is big endian */ | |
90 | true, | |
91 | ||
92 | /* header_byteorder_big_p: header is also big endian */ | |
93 | true, | |
94 | ||
95 | /* object_flags: mask of all file flags */ | |
96 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
97 | DYNAMIC | WP_TEXT), | |
98 | ||
99 | /* section_flags: mask of all section flags */ | |
100 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
101 | SEC_CODE | SEC_DATA), | |
102 | ||
103 | /* leading_symbol_char: is the first char of a user symbol | |
104 | predictable, and if so what is it */ | |
105 | 0, | |
106 | ||
107 | /* ar_pad_char: pad character for filenames within an archive header | |
108 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
109 | of the archiver and/or os and should be independently tunable */ | |
110 | '/', | |
111 | ||
112 | /* ar_max_namelen: maximum number of characters in an archive header | |
113 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
114 | of the archiver and should be independently tunable. This value is | |
115 | a WAG (wild a** guess) */ | |
116 | 15, | |
117 | ||
118 | /* align_power_min: minimum alignment restriction for any section | |
119 | FIXME: this value may be target machine dependent */ | |
120 | 3, | |
121 | ||
122 | /* Routines to byte-swap various sized integers from the data sections */ | |
123 | _do_getb64, _do_getb_signed_64, _do_putb64, | |
124 | _do_getb32, _do_getb_signed_32, _do_putb32, | |
125 | _do_getb16, _do_getb_signed_16, _do_putb16, | |
126 | ||
127 | /* Routines to byte-swap various sized integers from the file headers */ | |
128 | _do_getb64, _do_getb_signed_64, _do_putb64, | |
129 | _do_getb32, _do_getb_signed_32, _do_putb32, | |
130 | _do_getb16, _do_getb_signed_16, _do_putb16, | |
131 | ||
132 | /* bfd_check_format: check the format of a file being read */ | |
133 | { _bfd_dummy_target, /* unknown format */ | |
134 | bfd_elf64_object_p, /* assembler/linker output (object file) */ | |
135 | bfd_generic_archive_p, /* an archive */ | |
136 | bfd_elf64_core_file_p /* a core file */ | |
137 | }, | |
138 | ||
139 | /* bfd_set_format: set the format of a file being written */ | |
140 | { bfd_false, | |
141 | bfd_elf_mkobject, | |
142 | _bfd_generic_mkarchive, | |
143 | bfd_false | |
144 | }, | |
145 | ||
146 | /* bfd_write_contents: write cached information into a file being written */ | |
147 | { bfd_false, | |
148 | bfd_elf64_write_object_contents, | |
149 | _bfd_write_archive_contents, | |
150 | bfd_false | |
151 | }, | |
152 | ||
153 | /* Initialize a jump table with the standard macro. All names start with | |
154 | "elf" */ | |
155 | JUMP_TABLE(bfd_elf64), | |
156 | ||
157 | /* backend_data: */ | |
158 | (PTR) &elf64_bed, | |
159 | }; | |
160 | #endif | |
161 | ||
162 | #ifdef TARGET_LITTLE_SYM | |
163 | bfd_target TARGET_LITTLE_SYM = | |
164 | { | |
165 | /* name: identify kind of target */ | |
166 | TARGET_LITTLE_NAME, | |
167 | ||
168 | /* flavour: general indication about file */ | |
169 | bfd_target_elf_flavour, | |
170 | ||
171 | /* byteorder_big_p: data is big endian */ | |
172 | false, /* Nope -- this one's little endian */ | |
173 | ||
174 | /* header_byteorder_big_p: header is also big endian */ | |
175 | false, /* Nope -- this one's little endian */ | |
176 | ||
177 | /* object_flags: mask of all file flags */ | |
178 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
179 | DYNAMIC | WP_TEXT), | |
180 | ||
181 | /* section_flags: mask of all section flags */ | |
182 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
183 | SEC_DATA), | |
184 | ||
185 | /* leading_symbol_char: is the first char of a user symbol | |
186 | predictable, and if so what is it */ | |
187 | 0, | |
188 | ||
189 | /* ar_pad_char: pad character for filenames within an archive header | |
190 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
191 | of the archiver and/or os and should be independently tunable */ | |
192 | '/', | |
193 | ||
194 | /* ar_max_namelen: maximum number of characters in an archive header | |
195 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
196 | of the archiver and should be independently tunable. This value is | |
197 | a WAG (wild a** guess) */ | |
198 | 15, | |
199 | ||
200 | /* align_power_min: minimum alignment restriction for any section | |
201 | FIXME: this value may be target machine dependent */ | |
202 | 3, | |
203 | ||
204 | /* Routines to byte-swap various sized integers from the data sections */ | |
205 | _do_getl64, _do_getl_signed_64, _do_putl64, | |
206 | _do_getl32, _do_getl_signed_32, _do_putl32, | |
207 | _do_getl16, _do_getl_signed_16, _do_putl16, | |
208 | ||
209 | /* Routines to byte-swap various sized integers from the file headers */ | |
210 | _do_getl64, _do_getl_signed_64, _do_putl64, | |
211 | _do_getl32, _do_getl_signed_32, _do_putl32, | |
212 | _do_getl16, _do_getl_signed_16, _do_putl16, | |
213 | ||
214 | /* bfd_check_format: check the format of a file being read */ | |
215 | { _bfd_dummy_target, /* unknown format */ | |
216 | bfd_elf64_object_p, /* assembler/linker output (object file) */ | |
217 | bfd_generic_archive_p, /* an archive */ | |
218 | bfd_elf64_core_file_p /* a core file */ | |
219 | }, | |
220 | ||
221 | /* bfd_set_format: set the format of a file being written */ | |
222 | { bfd_false, | |
223 | bfd_elf_mkobject, | |
224 | _bfd_generic_mkarchive, | |
225 | bfd_false | |
226 | }, | |
227 | ||
228 | /* bfd_write_contents: write cached information into a file being written */ | |
229 | { bfd_false, | |
230 | bfd_elf64_write_object_contents, | |
231 | _bfd_write_archive_contents, | |
232 | bfd_false | |
233 | }, | |
234 | ||
235 | /* Initialize a jump table with the standard macro. All names start with | |
236 | "elf" */ | |
237 | JUMP_TABLE(bfd_elf64), | |
238 | ||
239 | /* backend_data: */ | |
240 | (PTR) &elf64_bed, | |
241 | }; | |
242 | #endif |