]> Git Repo - binutils.git/blame - bfd/elf32-target.h
* elf.c (_bfd_elf_make_section_from_shdr): New function, based on
[binutils.git] / bfd / elf32-target.h
CommitLineData
81187b54 1/* Target definitions for 32-bit ELF
dfc1c006 2 Copyright 1993, 1994 Free Software Foundation, Inc.
81187b54
KR
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
6812b607
ILT
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
KR
38 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
39
5b3577cb
JL
40#ifndef bfd_elf32_bfd_copy_private_section_data
41#define bfd_elf32_bfd_copy_private_section_data \
42 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
43#endif
44#ifndef bfd_elf32_bfd_copy_private_bfd_data
45#define bfd_elf32_bfd_copy_private_bfd_data \
46 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
47#endif
48#ifndef bfd_elf32_bfd_is_local_label
49#define bfd_elf32_bfd_is_local_label bfd_generic_is_local_label
50#endif
51
cb71adf1
PS
52#ifndef bfd_elf32_get_dynamic_reloc_upper_bound
53#define bfd_elf32_get_dynamic_reloc_upper_bound \
54 _bfd_nodynamic_get_dynamic_reloc_upper_bound
55#endif
56#ifndef bfd_elf32_canonicalize_dynamic_reloc
57#define bfd_elf32_canonicalize_dynamic_reloc \
58 _bfd_nodynamic_canonicalize_dynamic_reloc
59#endif
60
6ec3bb6a
ILT
61#ifdef elf_backend_relocate_section
62#ifndef bfd_elf32_bfd_link_hash_table_create
63#define bfd_elf32_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
64#endif
65#else /* ! defined (elf_backend_relocate_section) */
66/* If no backend relocate_section routine, use the generic linker. */
67#ifndef bfd_elf32_bfd_link_hash_table_create
68#define bfd_elf32_bfd_link_hash_table_create \
69 _bfd_generic_link_hash_table_create
70#endif
71#ifndef bfd_elf32_bfd_link_add_symbols
72#define bfd_elf32_bfd_link_add_symbols _bfd_generic_link_add_symbols
73#endif
74#ifndef bfd_elf32_bfd_final_link
75#define bfd_elf32_bfd_final_link _bfd_generic_final_link
76#endif
77#endif /* ! defined (elf_backend_relocate_section) */
78
b3024965
KR
79#ifndef elf_info_to_howto_rel
80#define elf_info_to_howto_rel 0
81#endif
82
83#ifndef ELF_MAXPAGESIZE
84#define ELF_MAXPAGESIZE 1
85#endif
86
6ec3bb6a
ILT
87#ifndef elf_backend_collect
88#define elf_backend_collect false
89#endif
90
643e9fc7
ILT
91#ifndef elf_backend_sym_is_global
92#define elf_backend_sym_is_global 0
93#endif
a5ccdad1 94#ifndef elf_backend_object_p
643e9fc7 95#define elf_backend_object_p 0
a5ccdad1 96#endif
e2a422b8 97#ifndef elf_backend_symbol_processing
643e9fc7 98#define elf_backend_symbol_processing 0
e2a422b8
KR
99#endif
100#ifndef elf_backend_symbol_table_processing
643e9fc7 101#define elf_backend_symbol_table_processing 0
e2a422b8
KR
102#endif
103#ifndef elf_backend_section_processing
643e9fc7 104#define elf_backend_section_processing 0
e2a422b8
KR
105#endif
106#ifndef elf_backend_section_from_shdr
643e9fc7 107#define elf_backend_section_from_shdr 0
e2a422b8
KR
108#endif
109#ifndef elf_backend_fake_sections
643e9fc7 110#define elf_backend_fake_sections 0
e2a422b8
KR
111#endif
112#ifndef elf_backend_section_from_bfd_section
643e9fc7
ILT
113#define elf_backend_section_from_bfd_section 0
114#endif
6ec3bb6a
ILT
115#ifndef elf_backend_add_symbol_hook
116#define elf_backend_add_symbol_hook 0
117#endif
013dec1a
ILT
118#ifndef elf_backend_create_dynamic_sections
119#define elf_backend_create_dynamic_sections 0
120#endif
121#ifndef elf_backend_adjust_dynamic_symbol
122#define elf_backend_adjust_dynamic_symbol 0
123#endif
124#ifndef elf_backend_size_dynamic_sections
125#define elf_backend_size_dynamic_sections 0
126#endif
6ec3bb6a
ILT
127#ifndef elf_backend_relocate_section
128#define elf_backend_relocate_section 0
129#endif
013dec1a
ILT
130#ifndef elf_backend_finish_dynamic_symbol
131#define elf_backend_finish_dynamic_symbol 0
132#endif
133#ifndef elf_backend_finish_dynamic_sections
134#define elf_backend_finish_dynamic_sections 0
135#endif
99a6c761
JL
136#ifndef elf_backend_begin_write_processing
137#define elf_backend_begin_write_processing 0
138#endif
643e9fc7
ILT
139#ifndef elf_backend_final_write_processing
140#define elf_backend_final_write_processing 0
e2a422b8 141#endif
95469b02 142#ifndef elf_backend_ecoff_debug_swap
643e9fc7 143#define elf_backend_ecoff_debug_swap 0
95469b02 144#endif
e2a422b8 145
268f94ac 146static CONST struct elf_backend_data elf32_bed =
81187b54 147{
7050286d
KR
148#ifdef USE_REL
149 0, /* use_rela_p */
150#else
151 1, /* use_rela_p */
152#endif
153 0, /* elf_64_p */
154 ELF_ARCH, /* arch */
a5ccdad1 155 ELF_MACHINE_CODE, /* elf_machine_code */
95469b02 156 ELF_MAXPAGESIZE, /* maxpagesize */
6ec3bb6a 157 elf_backend_collect,
643e9fc7
ILT
158 elf_info_to_howto,
159 elf_info_to_howto_rel,
160 elf_backend_sym_is_global,
161 elf_backend_object_p,
162 elf_backend_symbol_processing,
163 elf_backend_symbol_table_processing,
164 elf_backend_section_processing,
165 elf_backend_section_from_shdr,
166 elf_backend_fake_sections,
167 elf_backend_section_from_bfd_section,
6ec3bb6a 168 elf_backend_add_symbol_hook,
013dec1a
ILT
169 elf_backend_create_dynamic_sections,
170 elf_backend_adjust_dynamic_symbol,
171 elf_backend_size_dynamic_sections,
6ec3bb6a 172 elf_backend_relocate_section,
013dec1a
ILT
173 elf_backend_finish_dynamic_symbol,
174 elf_backend_finish_dynamic_sections,
99a6c761 175 elf_backend_begin_write_processing,
643e9fc7
ILT
176 elf_backend_final_write_processing,
177 elf_backend_ecoff_debug_swap
81187b54
KR
178};
179
180#ifdef TARGET_BIG_SYM
181bfd_target TARGET_BIG_SYM =
182{
183 /* name: identify kind of target */
184 TARGET_BIG_NAME,
185
186 /* flavour: general indication about file */
187 bfd_target_elf_flavour,
188
189 /* byteorder_big_p: data is big endian */
190 true,
191
192 /* header_byteorder_big_p: header is also big endian */
193 true,
194
195 /* object_flags: mask of all file flags */
196 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
197 DYNAMIC | WP_TEXT),
198
199 /* section_flags: mask of all section flags */
200 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
d6e5f950 201 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
81187b54
KR
202
203 /* leading_symbol_char: is the first char of a user symbol
204 predictable, and if so what is it */
205 0,
206
207 /* ar_pad_char: pad character for filenames within an archive header
208 FIXME: this really has nothing to do with ELF, this is a characteristic
209 of the archiver and/or os and should be independently tunable */
210 '/',
211
212 /* ar_max_namelen: maximum number of characters in an archive header
213 FIXME: this really has nothing to do with ELF, this is a characteristic
214 of the archiver and should be independently tunable. This value is
215 a WAG (wild a** guess) */
7a0c782d 216 14,
81187b54
KR
217
218 /* align_power_min: minimum alignment restriction for any section
219 FIXME: this value may be target machine dependent */
220 3,
221
222 /* Routines to byte-swap various sized integers from the data sections */
23f44e6f
ILT
223 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
224 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
225 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
81187b54
KR
226
227 /* Routines to byte-swap various sized integers from the file headers */
23f44e6f
ILT
228 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
229 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
230 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
81187b54
KR
231
232 /* bfd_check_format: check the format of a file being read */
233 { _bfd_dummy_target, /* unknown format */
9942e684 234 bfd_elf32_object_p, /* assembler/linker output (object file) */
81187b54 235 bfd_generic_archive_p, /* an archive */
9942e684 236 bfd_elf32_core_file_p /* a core file */
81187b54
KR
237 },
238
239 /* bfd_set_format: set the format of a file being written */
240 { bfd_false,
998ce1e0 241 bfd_elf_mkobject,
81187b54
KR
242 _bfd_generic_mkarchive,
243 bfd_false
244 },
245
246 /* bfd_write_contents: write cached information into a file being written */
247 { bfd_false,
9942e684 248 bfd_elf32_write_object_contents,
81187b54
KR
249 _bfd_write_archive_contents,
250 bfd_false
251 },
252
6812b607
ILT
253 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
254 BFD_JUMP_TABLE_COPY (bfd_elf32),
255 BFD_JUMP_TABLE_CORE (bfd_elf32),
256 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
257 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
258 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
259 BFD_JUMP_TABLE_WRITE (bfd_elf32),
260 BFD_JUMP_TABLE_LINK (bfd_elf32),
cb71adf1 261 BFD_JUMP_TABLE_DYNAMIC (bfd_elf32),
81187b54
KR
262
263 /* backend_data: */
9942e684 264 (PTR) &elf32_bed,
81187b54
KR
265};
266#endif
267
268#ifdef TARGET_LITTLE_SYM
269bfd_target TARGET_LITTLE_SYM =
270{
271 /* name: identify kind of target */
272 TARGET_LITTLE_NAME,
273
274 /* flavour: general indication about file */
275 bfd_target_elf_flavour,
276
277 /* byteorder_big_p: data is big endian */
278 false, /* Nope -- this one's little endian */
279
280 /* header_byteorder_big_p: header is also big endian */
281 false, /* Nope -- this one's little endian */
282
283 /* object_flags: mask of all file flags */
284 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
285 DYNAMIC | WP_TEXT),
286
287 /* section_flags: mask of all section flags */
288 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
d6e5f950 289 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
81187b54
KR
290
291 /* leading_symbol_char: is the first char of a user symbol
292 predictable, and if so what is it */
293 0,
294
295 /* ar_pad_char: pad character for filenames within an archive header
296 FIXME: this really has nothing to do with ELF, this is a characteristic
297 of the archiver and/or os and should be independently tunable */
298 '/',
299
300 /* ar_max_namelen: maximum number of characters in an archive header
301 FIXME: this really has nothing to do with ELF, this is a characteristic
302 of the archiver and should be independently tunable. This value is
303 a WAG (wild a** guess) */
7a0c782d 304 14,
81187b54
KR
305
306 /* align_power_min: minimum alignment restriction for any section
307 FIXME: this value may be target machine dependent */
308 3,
309
310 /* Routines to byte-swap various sized integers from the data sections */
23f44e6f
ILT
311 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
312 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
313 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
81187b54
KR
314
315 /* Routines to byte-swap various sized integers from the file headers */
23f44e6f
ILT
316 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
317 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
318 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
81187b54
KR
319
320 /* bfd_check_format: check the format of a file being read */
321 { _bfd_dummy_target, /* unknown format */
9942e684 322 bfd_elf32_object_p, /* assembler/linker output (object file) */
81187b54 323 bfd_generic_archive_p, /* an archive */
9942e684 324 bfd_elf32_core_file_p /* a core file */
81187b54
KR
325 },
326
327 /* bfd_set_format: set the format of a file being written */
328 { bfd_false,
998ce1e0 329 bfd_elf_mkobject,
81187b54
KR
330 _bfd_generic_mkarchive,
331 bfd_false
332 },
333
334 /* bfd_write_contents: write cached information into a file being written */
335 { bfd_false,
9942e684 336 bfd_elf32_write_object_contents,
81187b54
KR
337 _bfd_write_archive_contents,
338 bfd_false
339 },
340
6812b607
ILT
341 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
342 BFD_JUMP_TABLE_COPY (bfd_elf32),
343 BFD_JUMP_TABLE_CORE (bfd_elf32),
344 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
345 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
346 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
347 BFD_JUMP_TABLE_WRITE (bfd_elf32),
348 BFD_JUMP_TABLE_LINK (bfd_elf32),
cb71adf1 349 BFD_JUMP_TABLE_DYNAMIC (bfd_elf32),
81187b54
KR
350
351 /* backend_data: */
9942e684 352 (PTR) &elf32_bed,
81187b54
KR
353};
354#endif
This page took 0.19231 seconds and 4 git commands to generate.