* All backends: Added BFD_JUMP_TABLE_DYNAMIC to target vector.
[deliverable/binutils-gdb.git] / bfd / elf32-target.h
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81187b54 1/* Target definitions for 32-bit ELF
dfc1c006 2 Copyright 1993, 1994 Free Software Foundation, Inc.
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3
4This file is part of BFD, the Binary File Descriptor library.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, 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
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28#define bfd_elf32_close_and_cleanup _bfd_generic_close_and_cleanup
29#define bfd_elf32_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
30#ifndef bfd_elf32_get_section_contents
31#define bfd_elf32_get_section_contents _bfd_generic_get_section_contents
ae06054e 32#endif
9942e684 33
9942e684 34#define bfd_elf32_bfd_get_relocated_section_contents \
81187b54 35 bfd_generic_get_relocated_section_contents
9942e684 36#define bfd_elf32_bfd_relax_section bfd_generic_relax_section
9942e684 37#define bfd_elf32_bfd_make_debug_symbol \
81187b54 38 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
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39#ifndef bfd_elf32_bfd_link_hash_table_create
40#define bfd_elf32_bfd_link_hash_table_create \
41 _bfd_generic_link_hash_table_create
42#endif
43#ifndef bfd_elf32_bfd_link_add_symbols
44#define bfd_elf32_bfd_link_add_symbols _bfd_generic_link_add_symbols
45#endif
46#ifndef bfd_elf32_bfd_final_link
47#define bfd_elf32_bfd_final_link _bfd_generic_final_link
48#endif
81187b54 49
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50#ifndef bfd_elf32_bfd_copy_private_section_data
51#define bfd_elf32_bfd_copy_private_section_data \
52 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
53#endif
54#ifndef bfd_elf32_bfd_copy_private_bfd_data
55#define bfd_elf32_bfd_copy_private_bfd_data \
56 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
57#endif
58#ifndef bfd_elf32_bfd_is_local_label
59#define bfd_elf32_bfd_is_local_label bfd_generic_is_local_label
60#endif
61
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62#ifndef elf_info_to_howto_rel
63#define elf_info_to_howto_rel 0
64#endif
65
66#ifndef ELF_MAXPAGESIZE
67#define ELF_MAXPAGESIZE 1
68#endif
69
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70#ifndef elf_backend_sym_is_global
71#define elf_backend_sym_is_global 0
72#endif
a5ccdad1 73#ifndef elf_backend_object_p
643e9fc7 74#define elf_backend_object_p 0
a5ccdad1 75#endif
e2a422b8 76#ifndef elf_backend_symbol_processing
643e9fc7 77#define elf_backend_symbol_processing 0
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78#endif
79#ifndef elf_backend_symbol_table_processing
643e9fc7 80#define elf_backend_symbol_table_processing 0
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81#endif
82#ifndef elf_backend_section_processing
643e9fc7 83#define elf_backend_section_processing 0
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84#endif
85#ifndef elf_backend_section_from_shdr
643e9fc7 86#define elf_backend_section_from_shdr 0
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87#endif
88#ifndef elf_backend_fake_sections
643e9fc7 89#define elf_backend_fake_sections 0
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90#endif
91#ifndef elf_backend_section_from_bfd_section
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92#define elf_backend_section_from_bfd_section 0
93#endif
94#ifndef elf_backend_final_write_processing
95#define elf_backend_final_write_processing 0
e2a422b8 96#endif
95469b02 97#ifndef elf_backend_ecoff_debug_swap
643e9fc7 98#define elf_backend_ecoff_debug_swap 0
95469b02 99#endif
e2a422b8 100
268f94ac 101static CONST struct elf_backend_data elf32_bed =
81187b54 102{
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103#ifdef USE_REL
104 0, /* use_rela_p */
105#else
106 1, /* use_rela_p */
107#endif
108 0, /* elf_64_p */
109 ELF_ARCH, /* arch */
a5ccdad1 110 ELF_MACHINE_CODE, /* elf_machine_code */
95469b02 111 ELF_MAXPAGESIZE, /* maxpagesize */
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112 elf_info_to_howto,
113 elf_info_to_howto_rel,
114 elf_backend_sym_is_global,
115 elf_backend_object_p,
116 elf_backend_symbol_processing,
117 elf_backend_symbol_table_processing,
118 elf_backend_section_processing,
119 elf_backend_section_from_shdr,
120 elf_backend_fake_sections,
121 elf_backend_section_from_bfd_section,
122 elf_backend_final_write_processing,
123 elf_backend_ecoff_debug_swap
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124};
125
126#ifdef TARGET_BIG_SYM
127bfd_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),
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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 */
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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,
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172
173 /* Routines to byte-swap various sized integers from the file headers */
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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,
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177
178 /* bfd_check_format: check the format of a file being read */
179 { _bfd_dummy_target, /* unknown format */
9942e684 180 bfd_elf32_object_p, /* assembler/linker output (object file) */
81187b54 181 bfd_generic_archive_p, /* an archive */
9942e684 182 bfd_elf32_core_file_p /* a core file */
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183 },
184
185 /* bfd_set_format: set the format of a file being written */
186 { bfd_false,
998ce1e0 187 bfd_elf_mkobject,
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188 _bfd_generic_mkarchive,
189 bfd_false
190 },
191
192 /* bfd_write_contents: write cached information into a file being written */
193 { bfd_false,
9942e684 194 bfd_elf32_write_object_contents,
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195 _bfd_write_archive_contents,
196 bfd_false
197 },
198
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199 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
200 BFD_JUMP_TABLE_COPY (bfd_elf32),
201 BFD_JUMP_TABLE_CORE (bfd_elf32),
202 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
203 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
204 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
205 BFD_JUMP_TABLE_WRITE (bfd_elf32),
206 BFD_JUMP_TABLE_LINK (bfd_elf32),
dfc1c006 207 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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208
209 /* backend_data: */
9942e684 210 (PTR) &elf32_bed,
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211};
212#endif
213
214#ifdef TARGET_LITTLE_SYM
215bfd_target TARGET_LITTLE_SYM =
216{
217 /* name: identify kind of target */
218 TARGET_LITTLE_NAME,
219
220 /* flavour: general indication about file */
221 bfd_target_elf_flavour,
222
223 /* byteorder_big_p: data is big endian */
224 false, /* Nope -- this one's little endian */
225
226 /* header_byteorder_big_p: header is also big endian */
227 false, /* Nope -- this one's little endian */
228
229 /* object_flags: mask of all file flags */
230 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
231 DYNAMIC | WP_TEXT),
232
233 /* section_flags: mask of all section flags */
234 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
d6e5f950 235 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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236
237 /* leading_symbol_char: is the first char of a user symbol
238 predictable, and if so what is it */
239 0,
240
241 /* ar_pad_char: pad character for filenames within an archive header
242 FIXME: this really has nothing to do with ELF, this is a characteristic
243 of the archiver and/or os and should be independently tunable */
244 '/',
245
246 /* ar_max_namelen: maximum number of characters in an archive header
247 FIXME: this really has nothing to do with ELF, this is a characteristic
248 of the archiver and should be independently tunable. This value is
249 a WAG (wild a** guess) */
250 15,
251
252 /* align_power_min: minimum alignment restriction for any section
253 FIXME: this value may be target machine dependent */
254 3,
255
256 /* Routines to byte-swap various sized integers from the data sections */
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257 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
258 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
259 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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260
261 /* Routines to byte-swap various sized integers from the file headers */
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262 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
263 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
264 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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265
266 /* bfd_check_format: check the format of a file being read */
267 { _bfd_dummy_target, /* unknown format */
9942e684 268 bfd_elf32_object_p, /* assembler/linker output (object file) */
81187b54 269 bfd_generic_archive_p, /* an archive */
9942e684 270 bfd_elf32_core_file_p /* a core file */
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271 },
272
273 /* bfd_set_format: set the format of a file being written */
274 { bfd_false,
998ce1e0 275 bfd_elf_mkobject,
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276 _bfd_generic_mkarchive,
277 bfd_false
278 },
279
280 /* bfd_write_contents: write cached information into a file being written */
281 { bfd_false,
9942e684 282 bfd_elf32_write_object_contents,
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283 _bfd_write_archive_contents,
284 bfd_false
285 },
286
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287 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
288 BFD_JUMP_TABLE_COPY (bfd_elf32),
289 BFD_JUMP_TABLE_CORE (bfd_elf32),
290 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
291 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
292 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
293 BFD_JUMP_TABLE_WRITE (bfd_elf32),
294 BFD_JUMP_TABLE_LINK (bfd_elf32),
dfc1c006 295 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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296
297 /* backend_data: */
9942e684 298 (PTR) &elf32_bed,
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299};
300#endif
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