* elfcode.h: Include bfdlink.h. Added several new functions to do
[deliverable/binutils-gdb.git] / bfd / elf64-target.h
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3adad029 1/* Target definitions for 64-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_elf64_close_and_cleanup _bfd_generic_close_and_cleanup
29#define bfd_elf64_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
30#ifndef bfd_elf64_get_section_contents
31#define bfd_elf64_get_section_contents _bfd_generic_get_section_contents
3adad029 32#endif
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33
34#define bfd_elf64_bfd_debug_info_start bfd_void
35#define bfd_elf64_bfd_debug_info_end bfd_void
36#define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
37#define bfd_elf64_bfd_get_relocated_section_contents \
38 bfd_generic_get_relocated_section_contents
39#define bfd_elf64_bfd_relax_section bfd_generic_relax_section
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40#define bfd_elf64_bfd_make_debug_symbol \
41 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
42
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43#ifndef bfd_elf64_bfd_copy_private_section_data
44#define bfd_elf64_bfd_copy_private_section_data \
45 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
46#endif
47#ifndef bfd_elf64_bfd_copy_private_bfd_data
48#define bfd_elf64_bfd_copy_private_bfd_data \
49 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
50#endif
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51#ifndef bfd_elf64_bfd_is_local_label
52#define bfd_elf64_bfd_is_local_label bfd_generic_is_local_label
53#endif
54
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55#ifndef bfd_elf64_get_dynamic_reloc_upper_bound
56#define bfd_elf64_get_dynamic_reloc_upper_bound \
57 _bfd_nodynamic_get_dynamic_reloc_upper_bound
58#endif
59#ifndef bfd_elf64_canonicalize_dynamic_reloc
60#define bfd_elf64_canonicalize_dynamic_reloc \
61 _bfd_nodynamic_canonicalize_dynamic_reloc
62#endif
63
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64#ifdef elf_backend_relocate_section
65#ifndef bfd_elf64_bfd_link_hash_table_create
66#define bfd_elf64_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
67#endif
68#else /* ! defined (elf_backend_relocate_section) */
69/* If no backend relocate_section routine, use the generic linker. */
70#ifndef bfd_elf64_bfd_link_hash_table_create
71#define bfd_elf64_bfd_link_hash_table_create \
72 _bfd_generic_link_hash_table_create
73#endif
74#ifndef bfd_elf64_bfd_link_add_symbols
75#define bfd_elf64_bfd_link_add_symbols _bfd_generic_link_add_symbols
76#endif
77#ifndef bfd_elf64_bfd_final_link
78#define bfd_elf64_bfd_final_link _bfd_generic_final_link
79#endif
80#endif /* ! defined (elf_backend_relocate_section) */
81
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82#ifndef elf_info_to_howto_rel
83#define elf_info_to_howto_rel 0
84#endif
85
86#ifndef ELF_MAXPAGESIZE
87#define ELF_MAXPAGESIZE 1
88#endif
89
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90#ifndef elf_backend_collect
91#define elf_backend_collect false
92#endif
93
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94#ifndef elf_backend_sym_is_global
95#define elf_backend_sym_is_global 0
96#endif
a5ccdad1 97#ifndef elf_backend_object_p
643e9fc7 98#define elf_backend_object_p 0
a5ccdad1 99#endif
95469b02 100#ifndef elf_backend_symbol_processing
643e9fc7 101#define elf_backend_symbol_processing 0
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102#endif
103#ifndef elf_backend_symbol_table_processing
643e9fc7 104#define elf_backend_symbol_table_processing 0
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105#endif
106#ifndef elf_backend_section_processing
643e9fc7 107#define elf_backend_section_processing 0
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108#endif
109#ifndef elf_backend_section_from_shdr
643e9fc7 110#define elf_backend_section_from_shdr 0
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111#endif
112#ifndef elf_backend_fake_sections
643e9fc7 113#define elf_backend_fake_sections 0
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114#endif
115#ifndef elf_backend_section_from_bfd_section
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116#define elf_backend_section_from_bfd_section 0
117#endif
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118#ifndef elf_backend_add_symbol_hook
119#define elf_backend_add_symbol_hook 0
120#endif
121#ifndef elf_backend_relocate_section
122#define elf_backend_relocate_section 0
123#endif
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124#ifndef elf_backend_begin_write_processing
125#define elf_backend_begin_write_processing 0
126#endif
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127#ifndef elf_backend_final_write_processing
128#define elf_backend_final_write_processing 0
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129#endif
130#ifndef elf_backend_ecoff_debug_swap
643e9fc7 131#define elf_backend_ecoff_debug_swap 0
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132#endif
133
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134static CONST struct elf_backend_data elf64_bed =
135{
136#ifdef USE_REL
137 0, /* use_rela_p */
138#else
139 1, /* use_rela_p */
140#endif
95469b02 141 1, /* elf_64_p */
3adad029 142 ELF_ARCH, /* arch */
a5ccdad1 143 ELF_MACHINE_CODE, /* elf_machine_code */
95469b02 144 ELF_MAXPAGESIZE, /* maxpagesize */
6ec3bb6a 145 elf_backend_collect,
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146 elf_info_to_howto,
147 elf_info_to_howto_rel,
148 elf_backend_sym_is_global,
149 elf_backend_object_p,
150 elf_backend_symbol_processing,
151 elf_backend_symbol_table_processing,
152 elf_backend_section_processing,
153 elf_backend_section_from_shdr,
154 elf_backend_fake_sections,
155 elf_backend_section_from_bfd_section,
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156 elf_backend_add_symbol_hook,
157 elf_backend_relocate_section,
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158 elf_backend_begin_write_processing,
159 elf_backend_final_write_processing,
643e9fc7 160 elf_backend_ecoff_debug_swap
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161};
162
163#ifdef TARGET_BIG_SYM
164bfd_target TARGET_BIG_SYM =
165{
166 /* name: identify kind of target */
167 TARGET_BIG_NAME,
168
169 /* flavour: general indication about file */
170 bfd_target_elf_flavour,
171
172 /* byteorder_big_p: data is big endian */
173 true,
174
175 /* header_byteorder_big_p: header is also big endian */
176 true,
177
178 /* object_flags: mask of all file flags */
179 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
180 DYNAMIC | WP_TEXT),
181
182 /* section_flags: mask of all section flags */
183 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
d6e5f950 184 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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185
186 /* leading_symbol_char: is the first char of a user symbol
187 predictable, and if so what is it */
188 0,
189
190 /* ar_pad_char: pad character for filenames within an archive header
191 FIXME: this really has nothing to do with ELF, this is a characteristic
192 of the archiver and/or os and should be independently tunable */
193 '/',
194
195 /* ar_max_namelen: maximum number of characters in an archive header
196 FIXME: this really has nothing to do with ELF, this is a characteristic
197 of the archiver and should be independently tunable. This value is
198 a WAG (wild a** guess) */
199 15,
200
201 /* align_power_min: minimum alignment restriction for any section
202 FIXME: this value may be target machine dependent */
203 3,
204
205 /* Routines to byte-swap various sized integers from the data sections */
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206 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
207 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
208 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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209
210 /* Routines to byte-swap various sized integers from the file headers */
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211 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
212 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
213 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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214
215 /* bfd_check_format: check the format of a file being read */
216 { _bfd_dummy_target, /* unknown format */
217 bfd_elf64_object_p, /* assembler/linker output (object file) */
218 bfd_generic_archive_p, /* an archive */
219 bfd_elf64_core_file_p /* a core file */
220 },
221
222 /* bfd_set_format: set the format of a file being written */
223 { bfd_false,
224 bfd_elf_mkobject,
225 _bfd_generic_mkarchive,
226 bfd_false
227 },
228
229 /* bfd_write_contents: write cached information into a file being written */
230 { bfd_false,
231 bfd_elf64_write_object_contents,
232 _bfd_write_archive_contents,
233 bfd_false
234 },
235
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236 BFD_JUMP_TABLE_GENERIC (bfd_elf64),
237 BFD_JUMP_TABLE_COPY (bfd_elf64),
238 BFD_JUMP_TABLE_CORE (bfd_elf64),
239 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
240 BFD_JUMP_TABLE_SYMBOLS (bfd_elf64),
241 BFD_JUMP_TABLE_RELOCS (bfd_elf64),
242 BFD_JUMP_TABLE_WRITE (bfd_elf64),
243 BFD_JUMP_TABLE_LINK (bfd_elf64),
cb71adf1 244 BFD_JUMP_TABLE_DYNAMIC (bfd_elf64),
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245
246 /* backend_data: */
247 (PTR) &elf64_bed,
248};
249#endif
250
251#ifdef TARGET_LITTLE_SYM
252bfd_target TARGET_LITTLE_SYM =
253{
254 /* name: identify kind of target */
255 TARGET_LITTLE_NAME,
256
257 /* flavour: general indication about file */
258 bfd_target_elf_flavour,
259
260 /* byteorder_big_p: data is big endian */
261 false, /* Nope -- this one's little endian */
262
263 /* header_byteorder_big_p: header is also big endian */
264 false, /* Nope -- this one's little endian */
265
266 /* object_flags: mask of all file flags */
267 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
268 DYNAMIC | WP_TEXT),
269
270 /* section_flags: mask of all section flags */
271 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
d6e5f950 272 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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273
274 /* leading_symbol_char: is the first char of a user symbol
275 predictable, and if so what is it */
276 0,
277
278 /* ar_pad_char: pad character for filenames within an archive header
279 FIXME: this really has nothing to do with ELF, this is a characteristic
280 of the archiver and/or os and should be independently tunable */
281 '/',
282
283 /* ar_max_namelen: maximum number of characters in an archive header
284 FIXME: this really has nothing to do with ELF, this is a characteristic
285 of the archiver and should be independently tunable. This value is
286 a WAG (wild a** guess) */
287 15,
288
289 /* align_power_min: minimum alignment restriction for any section
290 FIXME: this value may be target machine dependent */
291 3,
292
293 /* Routines to byte-swap various sized integers from the data sections */
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294 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
295 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
296 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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297
298 /* Routines to byte-swap various sized integers from the file headers */
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299 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
300 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
301 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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302
303 /* bfd_check_format: check the format of a file being read */
304 { _bfd_dummy_target, /* unknown format */
305 bfd_elf64_object_p, /* assembler/linker output (object file) */
306 bfd_generic_archive_p, /* an archive */
307 bfd_elf64_core_file_p /* a core file */
308 },
309
310 /* bfd_set_format: set the format of a file being written */
311 { bfd_false,
312 bfd_elf_mkobject,
313 _bfd_generic_mkarchive,
314 bfd_false
315 },
316
317 /* bfd_write_contents: write cached information into a file being written */
318 { bfd_false,
319 bfd_elf64_write_object_contents,
320 _bfd_write_archive_contents,
321 bfd_false
322 },
323
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324 BFD_JUMP_TABLE_GENERIC (bfd_elf64),
325 BFD_JUMP_TABLE_COPY (bfd_elf64),
326 BFD_JUMP_TABLE_CORE (bfd_elf64),
327 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
328 BFD_JUMP_TABLE_SYMBOLS (bfd_elf64),
329 BFD_JUMP_TABLE_RELOCS (bfd_elf64),
330 BFD_JUMP_TABLE_WRITE (bfd_elf64),
331 BFD_JUMP_TABLE_LINK (bfd_elf64),
cb71adf1 332 BFD_JUMP_TABLE_DYNAMIC (bfd_elf64),
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333
334 /* backend_data: */
335 (PTR) &elf64_bed,
336};
337#endif
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