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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 KR |
49 | #define bfd_elf32_bfd_relax_section bfd_generic_relax_section |
50 | #define bfd_elf32_bfd_seclet_link bfd_generic_seclet_link | |
51 | #define bfd_elf32_bfd_make_debug_symbol \ | |
81187b54 KR |
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 | ||
e2a422b8 KR |
62 | #ifndef elf_backend_symbol_processing |
63 | #define elf_backend_symbol_processing 0 /* elf_backend_symbol_processing */ | |
64 | #endif | |
65 | #ifndef elf_backend_symbol_table_processing | |
66 | #define elf_backend_symbol_table_processing 0 /* elf_backend_symbol_table_processing */ | |
67 | #endif | |
68 | #ifndef elf_backend_section_processing | |
69 | #define elf_backend_section_processing 0 /* elf_backend_section_processing */ | |
70 | #endif | |
71 | #ifndef elf_backend_section_from_shdr | |
72 | #define elf_backend_section_from_shdr 0 /* elf_backend_section_from_shdr */ | |
73 | #endif | |
74 | #ifndef elf_backend_fake_sections | |
75 | #define elf_backend_fake_sections 0 /* elf_backend_fake_sections */ | |
76 | #endif | |
77 | #ifndef elf_backend_section_from_bfd_section | |
78 | #define elf_backend_section_from_bfd_section 0 /* elf_backend_section_from_bfd_section */ | |
79 | #endif | |
80 | ||
268f94ac | 81 | static CONST struct elf_backend_data elf32_bed = |
81187b54 | 82 | { |
7050286d KR |
83 | #ifdef USE_REL |
84 | 0, /* use_rela_p */ | |
85 | #else | |
86 | 1, /* use_rela_p */ | |
87 | #endif | |
88 | 0, /* elf_64_p */ | |
89 | ELF_ARCH, /* arch */ | |
90 | elf_info_to_howto, /* elf_info_to_howto */ | |
7050286d | 91 | elf_info_to_howto_rel, /* elf_info_to_howto_rel */ |
b3024965 | 92 | ELF_MAXPAGESIZE, /* maxpagesize */ |
32090b8e | 93 | bfd_elf32__write_relocs, /* write_relocs */ |
e2a422b8 KR |
94 | elf_backend_symbol_processing, /* elf_backend_symbol_processing */ |
95 | elf_backend_symbol_table_processing, /* elf_backend_symbol_table_processing */ | |
96 | elf_backend_section_processing, /* elf_backend_section_processing */ | |
97 | elf_backend_section_from_shdr, /* elf_backend_section_from_shdr */ | |
98 | elf_backend_fake_sections, /* elf_backend_fake_sections */ | |
99 | elf_backend_section_from_bfd_section, /* elf_backend_section_from_bfd_section */ | |
81187b54 KR |
100 | }; |
101 | ||
102 | #ifdef TARGET_BIG_SYM | |
103 | bfd_target TARGET_BIG_SYM = | |
104 | { | |
105 | /* name: identify kind of target */ | |
106 | TARGET_BIG_NAME, | |
107 | ||
108 | /* flavour: general indication about file */ | |
109 | bfd_target_elf_flavour, | |
110 | ||
111 | /* byteorder_big_p: data is big endian */ | |
112 | true, | |
113 | ||
114 | /* header_byteorder_big_p: header is also big endian */ | |
115 | true, | |
116 | ||
117 | /* object_flags: mask of all file flags */ | |
118 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
119 | DYNAMIC | WP_TEXT), | |
120 | ||
121 | /* section_flags: mask of all section flags */ | |
122 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 123 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
124 | |
125 | /* leading_symbol_char: is the first char of a user symbol | |
126 | predictable, and if so what is it */ | |
127 | 0, | |
128 | ||
129 | /* ar_pad_char: pad character for filenames within an archive header | |
130 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
131 | of the archiver and/or os and should be independently tunable */ | |
132 | '/', | |
133 | ||
134 | /* ar_max_namelen: maximum number of characters in an archive header | |
135 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
136 | of the archiver and should be independently tunable. This value is | |
137 | a WAG (wild a** guess) */ | |
138 | 15, | |
139 | ||
140 | /* align_power_min: minimum alignment restriction for any section | |
141 | FIXME: this value may be target machine dependent */ | |
142 | 3, | |
143 | ||
144 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
145 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
146 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
147 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
148 | |
149 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
150 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
151 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
152 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
81187b54 KR |
153 | |
154 | /* bfd_check_format: check the format of a file being read */ | |
155 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 156 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 157 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 158 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
159 | }, |
160 | ||
161 | /* bfd_set_format: set the format of a file being written */ | |
162 | { bfd_false, | |
998ce1e0 | 163 | bfd_elf_mkobject, |
81187b54 KR |
164 | _bfd_generic_mkarchive, |
165 | bfd_false | |
166 | }, | |
167 | ||
168 | /* bfd_write_contents: write cached information into a file being written */ | |
169 | { bfd_false, | |
9942e684 | 170 | bfd_elf32_write_object_contents, |
81187b54 KR |
171 | _bfd_write_archive_contents, |
172 | bfd_false | |
173 | }, | |
174 | ||
175 | /* Initialize a jump table with the standard macro. All names start with | |
176 | "elf" */ | |
9942e684 | 177 | JUMP_TABLE(bfd_elf32), |
81187b54 KR |
178 | |
179 | /* backend_data: */ | |
9942e684 | 180 | (PTR) &elf32_bed, |
81187b54 KR |
181 | }; |
182 | #endif | |
183 | ||
184 | #ifdef TARGET_LITTLE_SYM | |
185 | bfd_target TARGET_LITTLE_SYM = | |
186 | { | |
187 | /* name: identify kind of target */ | |
188 | TARGET_LITTLE_NAME, | |
189 | ||
190 | /* flavour: general indication about file */ | |
191 | bfd_target_elf_flavour, | |
192 | ||
193 | /* byteorder_big_p: data is big endian */ | |
194 | false, /* Nope -- this one's little endian */ | |
195 | ||
196 | /* header_byteorder_big_p: header is also big endian */ | |
197 | false, /* Nope -- this one's little endian */ | |
198 | ||
199 | /* object_flags: mask of all file flags */ | |
200 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
201 | DYNAMIC | WP_TEXT), | |
202 | ||
203 | /* section_flags: mask of all section flags */ | |
204 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
d6e5f950 | 205 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
81187b54 KR |
206 | |
207 | /* leading_symbol_char: is the first char of a user symbol | |
208 | predictable, and if so what is it */ | |
209 | 0, | |
210 | ||
211 | /* ar_pad_char: pad character for filenames within an archive header | |
212 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
213 | of the archiver and/or os and should be independently tunable */ | |
214 | '/', | |
215 | ||
216 | /* ar_max_namelen: maximum number of characters in an archive header | |
217 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
218 | of the archiver and should be independently tunable. This value is | |
219 | a WAG (wild a** guess) */ | |
220 | 15, | |
221 | ||
222 | /* align_power_min: minimum alignment restriction for any section | |
223 | FIXME: this value may be target machine dependent */ | |
224 | 3, | |
225 | ||
226 | /* Routines to byte-swap various sized integers from the data sections */ | |
23f44e6f ILT |
227 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
228 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
229 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
230 | |
231 | /* Routines to byte-swap various sized integers from the file headers */ | |
23f44e6f ILT |
232 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
233 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
234 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
81187b54 KR |
235 | |
236 | /* bfd_check_format: check the format of a file being read */ | |
237 | { _bfd_dummy_target, /* unknown format */ | |
9942e684 | 238 | bfd_elf32_object_p, /* assembler/linker output (object file) */ |
81187b54 | 239 | bfd_generic_archive_p, /* an archive */ |
9942e684 | 240 | bfd_elf32_core_file_p /* a core file */ |
81187b54 KR |
241 | }, |
242 | ||
243 | /* bfd_set_format: set the format of a file being written */ | |
244 | { bfd_false, | |
998ce1e0 | 245 | bfd_elf_mkobject, |
81187b54 KR |
246 | _bfd_generic_mkarchive, |
247 | bfd_false | |
248 | }, | |
249 | ||
250 | /* bfd_write_contents: write cached information into a file being written */ | |
251 | { bfd_false, | |
9942e684 | 252 | bfd_elf32_write_object_contents, |
81187b54 KR |
253 | _bfd_write_archive_contents, |
254 | bfd_false | |
255 | }, | |
256 | ||
257 | /* Initialize a jump table with the standard macro. All names start with | |
258 | "elf" */ | |
9942e684 | 259 | JUMP_TABLE(bfd_elf32), |
81187b54 KR |
260 | |
261 | /* backend_data: */ | |
9942e684 | 262 | (PTR) &elf32_bed, |
81187b54 KR |
263 | }; |
264 | #endif |