1 /* Target definitions for 64-bit ELF
2 Copyright 1993, 1994 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
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.
25 There are two such structures here: one for big-endian machines and
26 one for little-endian machines. */
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
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
40 #define bfd_elf64_bfd_make_debug_symbol \
41 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
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)
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)
51 #ifndef bfd_elf64_bfd_is_local_label
52 #define bfd_elf64_bfd_is_local_label bfd_generic_is_local_label
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
59 #ifndef bfd_elf64_canonicalize_dynamic_reloc
60 #define bfd_elf64_canonicalize_dynamic_reloc \
61 _bfd_nodynamic_canonicalize_dynamic_reloc
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
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
74 #ifndef bfd_elf64_bfd_link_add_symbols
75 #define bfd_elf64_bfd_link_add_symbols _bfd_generic_link_add_symbols
77 #ifndef bfd_elf64_bfd_final_link
78 #define bfd_elf64_bfd_final_link _bfd_generic_final_link
80 #endif /* ! defined (elf_backend_relocate_section) */
82 #ifndef elf_info_to_howto_rel
83 #define elf_info_to_howto_rel 0
86 #ifndef ELF_MAXPAGESIZE
87 #define ELF_MAXPAGESIZE 1
90 #ifndef elf_backend_collect
91 #define elf_backend_collect false
94 #ifndef elf_backend_sym_is_global
95 #define elf_backend_sym_is_global 0
97 #ifndef elf_backend_object_p
98 #define elf_backend_object_p 0
100 #ifndef elf_backend_symbol_processing
101 #define elf_backend_symbol_processing 0
103 #ifndef elf_backend_symbol_table_processing
104 #define elf_backend_symbol_table_processing 0
106 #ifndef elf_backend_section_processing
107 #define elf_backend_section_processing 0
109 #ifndef elf_backend_section_from_shdr
110 #define elf_backend_section_from_shdr 0
112 #ifndef elf_backend_fake_sections
113 #define elf_backend_fake_sections 0
115 #ifndef elf_backend_section_from_bfd_section
116 #define elf_backend_section_from_bfd_section 0
118 #ifndef elf_backend_add_symbol_hook
119 #define elf_backend_add_symbol_hook 0
121 #ifndef elf_backend_link_output_symbol_hook
122 #define elf_backend_link_output_symbol_hook 0
124 #ifndef elf_backend_create_dynamic_sections
125 #define elf_backend_create_dynamic_sections 0
127 #ifndef elf_backend_check_relocs
128 #define elf_backend_check_relocs 0
130 #ifndef elf_backend_adjust_dynamic_symbol
131 #define elf_backend_adjust_dynamic_symbol 0
133 #ifndef elf_backend_size_dynamic_sections
134 #define elf_backend_size_dynamic_sections 0
136 #ifndef elf_backend_relocate_section
137 #define elf_backend_relocate_section 0
139 #ifndef elf_backend_finish_dynamic_symbol
140 #define elf_backend_finish_dynamic_symbol 0
142 #ifndef elf_backend_finish_dynamic_sections
143 #define elf_backend_finish_dynamic_sections 0
145 #ifndef elf_backend_begin_write_processing
146 #define elf_backend_begin_write_processing 0
148 #ifndef elf_backend_final_write_processing
149 #define elf_backend_final_write_processing 0
151 #ifndef elf_backend_ecoff_debug_swap
152 #define elf_backend_ecoff_debug_swap 0
155 static CONST
struct elf_backend_data elf64_bed
=
164 ELF_MACHINE_CODE
, /* elf_machine_code */
165 ELF_MAXPAGESIZE
, /* maxpagesize */
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
,
177 elf_backend_add_symbol_hook
,
178 elf_backend_link_output_symbol_hook
,
179 elf_backend_create_dynamic_sections
,
180 elf_backend_check_relocs
,
181 elf_backend_adjust_dynamic_symbol
,
182 elf_backend_size_dynamic_sections
,
183 elf_backend_relocate_section
,
184 elf_backend_finish_dynamic_symbol
,
185 elf_backend_finish_dynamic_sections
,
186 elf_backend_begin_write_processing
,
187 elf_backend_final_write_processing
,
188 elf_backend_ecoff_debug_swap
191 #ifdef TARGET_BIG_SYM
192 const bfd_target TARGET_BIG_SYM
=
194 /* name: identify kind of target */
197 /* flavour: general indication about file */
198 bfd_target_elf_flavour
,
200 /* byteorder_big_p: data is big endian */
203 /* header_byteorder_big_p: header is also big endian */
206 /* object_flags: mask of all file flags */
207 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
208 DYNAMIC
| WP_TEXT
| D_PAGED
),
210 /* section_flags: mask of all section flags */
211 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
212 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
214 /* leading_symbol_char: is the first char of a user symbol
215 predictable, and if so what is it */
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 */
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) */
229 /* align_power_min: minimum alignment restriction for any section
230 FIXME: this value may be target machine dependent */
233 /* Routines to byte-swap various sized integers from the data sections */
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
,
238 /* Routines to byte-swap various sized integers from the file headers */
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
,
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 */
250 /* bfd_set_format: set the format of a file being written */
253 _bfd_generic_mkarchive
,
257 /* bfd_write_contents: write cached information into a file being written */
259 bfd_elf64_write_object_contents
,
260 _bfd_write_archive_contents
,
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
),
272 BFD_JUMP_TABLE_DYNAMIC (bfd_elf64
),
279 #ifdef TARGET_LITTLE_SYM
280 const bfd_target TARGET_LITTLE_SYM
=
282 /* name: identify kind of target */
285 /* flavour: general indication about file */
286 bfd_target_elf_flavour
,
288 /* byteorder_big_p: data is big endian */
289 false, /* Nope -- this one's little endian */
291 /* header_byteorder_big_p: header is also big endian */
292 false, /* Nope -- this one's little endian */
294 /* object_flags: mask of all file flags */
295 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
296 DYNAMIC
| WP_TEXT
| D_PAGED
),
298 /* section_flags: mask of all section flags */
299 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
300 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
302 /* leading_symbol_char: is the first char of a user symbol
303 predictable, and if so what is it */
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 */
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) */
317 /* align_power_min: minimum alignment restriction for any section
318 FIXME: this value may be target machine dependent */
321 /* Routines to byte-swap various sized integers from the data sections */
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
,
326 /* Routines to byte-swap various sized integers from the file headers */
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
,
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 */
338 /* bfd_set_format: set the format of a file being written */
341 _bfd_generic_mkarchive
,
345 /* bfd_write_contents: write cached information into a file being written */
347 bfd_elf64_write_object_contents
,
348 _bfd_write_archive_contents
,
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
),
360 BFD_JUMP_TABLE_DYNAMIC (bfd_elf64
),