* aoutf1.h (MACHTYPE_OK): Don't define if already defined. Don't
[deliverable/binutils-gdb.git] / bfd / elf64-target.h
CommitLineData
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
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121#ifndef elf_backend_link_output_symbol_hook
122#define elf_backend_link_output_symbol_hook 0
123#endif
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124#ifndef elf_backend_create_dynamic_sections
125#define elf_backend_create_dynamic_sections 0
126#endif
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127#ifndef elf_backend_check_relocs
128#define elf_backend_check_relocs 0
129#endif
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130#ifndef elf_backend_adjust_dynamic_symbol
131#define elf_backend_adjust_dynamic_symbol 0
132#endif
133#ifndef elf_backend_size_dynamic_sections
134#define elf_backend_size_dynamic_sections 0
135#endif
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136#ifndef elf_backend_relocate_section
137#define elf_backend_relocate_section 0
138#endif
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139#ifndef elf_backend_finish_dynamic_symbol
140#define elf_backend_finish_dynamic_symbol 0
141#endif
142#ifndef elf_backend_finish_dynamic_sections
143#define elf_backend_finish_dynamic_sections 0
144#endif
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145#ifndef elf_backend_begin_write_processing
146#define elf_backend_begin_write_processing 0
147#endif
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148#ifndef elf_backend_final_write_processing
149#define elf_backend_final_write_processing 0
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150#endif
151#ifndef elf_backend_ecoff_debug_swap
643e9fc7 152#define elf_backend_ecoff_debug_swap 0
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153#endif
154
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155static CONST struct elf_backend_data elf64_bed =
156{
157#ifdef USE_REL
158 0, /* use_rela_p */
159#else
160 1, /* use_rela_p */
161#endif
95469b02 162 1, /* elf_64_p */
3adad029 163 ELF_ARCH, /* arch */
a5ccdad1 164 ELF_MACHINE_CODE, /* elf_machine_code */
95469b02 165 ELF_MAXPAGESIZE, /* maxpagesize */
6ec3bb6a 166 elf_backend_collect,
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167 elf_info_to_howto,
168 elf_info_to_howto_rel,
169 elf_backend_sym_is_global,
170 elf_backend_object_p,
171 elf_backend_symbol_processing,
172 elf_backend_symbol_table_processing,
173 elf_backend_section_processing,
174 elf_backend_section_from_shdr,
175 elf_backend_fake_sections,
176 elf_backend_section_from_bfd_section,
6ec3bb6a 177 elf_backend_add_symbol_hook,
ff5a090f 178 elf_backend_link_output_symbol_hook,
013dec1a 179 elf_backend_create_dynamic_sections,
374d2ef9 180 elf_backend_check_relocs,
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181 elf_backend_adjust_dynamic_symbol,
182 elf_backend_size_dynamic_sections,
6ec3bb6a 183 elf_backend_relocate_section,
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184 elf_backend_finish_dynamic_symbol,
185 elf_backend_finish_dynamic_sections,
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186 elf_backend_begin_write_processing,
187 elf_backend_final_write_processing,
643e9fc7 188 elf_backend_ecoff_debug_swap
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189};
190
191#ifdef TARGET_BIG_SYM
2f3508ad 192const bfd_target TARGET_BIG_SYM =
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193{
194 /* name: identify kind of target */
195 TARGET_BIG_NAME,
196
197 /* flavour: general indication about file */
198 bfd_target_elf_flavour,
199
200 /* byteorder_big_p: data is big endian */
201 true,
202
203 /* header_byteorder_big_p: header is also big endian */
204 true,
205
206 /* object_flags: mask of all file flags */
207 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
fa15568a 208 DYNAMIC | WP_TEXT | D_PAGED),
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209
210 /* section_flags: mask of all section flags */
211 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
d6e5f950 212 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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213
214 /* leading_symbol_char: is the first char of a user symbol
215 predictable, and if so what is it */
216 0,
217
218 /* ar_pad_char: pad character for filenames within an archive header
219 FIXME: this really has nothing to do with ELF, this is a characteristic
220 of the archiver and/or os and should be independently tunable */
221 '/',
222
223 /* ar_max_namelen: maximum number of characters in an archive header
224 FIXME: this really has nothing to do with ELF, this is a characteristic
225 of the archiver and should be independently tunable. This value is
226 a WAG (wild a** guess) */
7a0c782d 227 14,
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228
229 /* align_power_min: minimum alignment restriction for any section
230 FIXME: this value may be target machine dependent */
231 3,
232
233 /* Routines to byte-swap various sized integers from the data sections */
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234 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
235 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
236 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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237
238 /* Routines to byte-swap various sized integers from the file headers */
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239 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
240 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
241 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
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242
243 /* bfd_check_format: check the format of a file being read */
244 { _bfd_dummy_target, /* unknown format */
245 bfd_elf64_object_p, /* assembler/linker output (object file) */
246 bfd_generic_archive_p, /* an archive */
247 bfd_elf64_core_file_p /* a core file */
248 },
249
250 /* bfd_set_format: set the format of a file being written */
251 { bfd_false,
252 bfd_elf_mkobject,
253 _bfd_generic_mkarchive,
254 bfd_false
255 },
256
257 /* bfd_write_contents: write cached information into a file being written */
258 { bfd_false,
259 bfd_elf64_write_object_contents,
260 _bfd_write_archive_contents,
261 bfd_false
262 },
263
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264 BFD_JUMP_TABLE_GENERIC (bfd_elf64),
265 BFD_JUMP_TABLE_COPY (bfd_elf64),
266 BFD_JUMP_TABLE_CORE (bfd_elf64),
267 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
268 BFD_JUMP_TABLE_SYMBOLS (bfd_elf64),
269 BFD_JUMP_TABLE_RELOCS (bfd_elf64),
270 BFD_JUMP_TABLE_WRITE (bfd_elf64),
271 BFD_JUMP_TABLE_LINK (bfd_elf64),
cb71adf1 272 BFD_JUMP_TABLE_DYNAMIC (bfd_elf64),
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273
274 /* backend_data: */
275 (PTR) &elf64_bed,
276};
277#endif
278
279#ifdef TARGET_LITTLE_SYM
2f3508ad 280const bfd_target TARGET_LITTLE_SYM =
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281{
282 /* name: identify kind of target */
283 TARGET_LITTLE_NAME,
284
285 /* flavour: general indication about file */
286 bfd_target_elf_flavour,
287
288 /* byteorder_big_p: data is big endian */
289 false, /* Nope -- this one's little endian */
290
291 /* header_byteorder_big_p: header is also big endian */
292 false, /* Nope -- this one's little endian */
293
294 /* object_flags: mask of all file flags */
295 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
fa15568a 296 DYNAMIC | WP_TEXT | D_PAGED),
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297
298 /* section_flags: mask of all section flags */
299 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
d6e5f950 300 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
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301
302 /* leading_symbol_char: is the first char of a user symbol
303 predictable, and if so what is it */
304 0,
305
306 /* ar_pad_char: pad character for filenames within an archive header
307 FIXME: this really has nothing to do with ELF, this is a characteristic
308 of the archiver and/or os and should be independently tunable */
309 '/',
310
311 /* ar_max_namelen: maximum number of characters in an archive header
312 FIXME: this really has nothing to do with ELF, this is a characteristic
313 of the archiver and should be independently tunable. This value is
314 a WAG (wild a** guess) */
7a0c782d 315 14,
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316
317 /* align_power_min: minimum alignment restriction for any section
318 FIXME: this value may be target machine dependent */
319 3,
320
321 /* Routines to byte-swap various sized integers from the data sections */
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322 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
323 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
324 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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325
326 /* Routines to byte-swap various sized integers from the file headers */
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327 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
328 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
329 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
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330
331 /* bfd_check_format: check the format of a file being read */
332 { _bfd_dummy_target, /* unknown format */
333 bfd_elf64_object_p, /* assembler/linker output (object file) */
334 bfd_generic_archive_p, /* an archive */
335 bfd_elf64_core_file_p /* a core file */
336 },
337
338 /* bfd_set_format: set the format of a file being written */
339 { bfd_false,
340 bfd_elf_mkobject,
341 _bfd_generic_mkarchive,
342 bfd_false
343 },
344
345 /* bfd_write_contents: write cached information into a file being written */
346 { bfd_false,
347 bfd_elf64_write_object_contents,
348 _bfd_write_archive_contents,
349 bfd_false
350 },
351
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352 BFD_JUMP_TABLE_GENERIC (bfd_elf64),
353 BFD_JUMP_TABLE_COPY (bfd_elf64),
354 BFD_JUMP_TABLE_CORE (bfd_elf64),
355 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
356 BFD_JUMP_TABLE_SYMBOLS (bfd_elf64),
357 BFD_JUMP_TABLE_RELOCS (bfd_elf64),
358 BFD_JUMP_TABLE_WRITE (bfd_elf64),
359 BFD_JUMP_TABLE_LINK (bfd_elf64),
cb71adf1 360 BFD_JUMP_TABLE_DYNAMIC (bfd_elf64),
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361
362 /* backend_data: */
363 (PTR) &elf64_bed,
364};
365#endif
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