1 /* Target definitions for 64-bit ELF
2 Copyright 1993 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 /* Archives are generic or unimplemented. */
29 #ifndef bfd_elf64_slurp_armap
30 #define bfd_elf64_slurp_armap bfd_slurp_coff_armap
32 #define bfd_elf64_slurp_extended_name_table _bfd_slurp_extended_name_table
33 #define bfd_elf64_truncate_arname bfd_dont_truncate_arname
34 #define bfd_elf64_openr_next_archived_file bfd_generic_openr_next_archived_file
35 #define bfd_elf64_generic_stat_arch_elt bfd_generic_stat_arch_elt
36 #ifndef bfd_elf64_write_armap
37 #define bfd_elf64_write_armap coff_write_armap
40 /* Ordinary section reading and writing */
41 #define bfd_elf64_get_section_contents bfd_generic_get_section_contents
42 #define bfd_elf64_close_and_cleanup bfd_generic_close_and_cleanup
44 #define bfd_elf64_bfd_debug_info_start bfd_void
45 #define bfd_elf64_bfd_debug_info_end bfd_void
46 #define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
47 #define bfd_elf64_bfd_get_relocated_section_contents \
48 bfd_generic_get_relocated_section_contents
49 #define bfd_elf64_bfd_relax_section bfd_generic_relax_section
50 #define bfd_elf64_bfd_make_debug_symbol \
51 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
52 #ifndef bfd_elf64_bfd_link_hash_table_create
53 #define bfd_elf64_bfd_link_hash_table_create \
54 _bfd_generic_link_hash_table_create
56 #ifndef bfd_elf64_bfd_link_add_symbols
57 #define bfd_elf64_bfd_link_add_symbols _bfd_generic_link_add_symbols
59 #ifndef bfd_elf64_bfd_final_link
60 #define bfd_elf64_bfd_final_link _bfd_generic_final_link
63 #ifndef bfd_elf64_bfd_copy_private_section_data
64 #define bfd_elf64_bfd_copy_private_section_data \
65 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
67 #ifndef bfd_elf64_bfd_copy_private_bfd_data
68 #define bfd_elf64_bfd_copy_private_bfd_data \
69 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
72 #ifndef bfd_elf64_bfd_is_local_label
73 #define bfd_elf64_bfd_is_local_label bfd_generic_is_local_label
76 #ifndef elf_info_to_howto_rel
77 #define elf_info_to_howto_rel 0
80 #ifndef ELF_MAXPAGESIZE
81 #define ELF_MAXPAGESIZE 1
84 #ifndef elf_backend_sym_is_global
85 #define elf_backend_sym_is_global 0
87 #ifndef elf_backend_object_p
88 #define elf_backend_object_p 0
90 #ifndef elf_backend_symbol_processing
91 #define elf_backend_symbol_processing 0
93 #ifndef elf_backend_symbol_table_processing
94 #define elf_backend_symbol_table_processing 0
96 #ifndef elf_backend_section_processing
97 #define elf_backend_section_processing 0
99 #ifndef elf_backend_section_from_shdr
100 #define elf_backend_section_from_shdr 0
102 #ifndef elf_backend_fake_sections
103 #define elf_backend_fake_sections 0
105 #ifndef elf_backend_section_from_bfd_section
106 #define elf_backend_section_from_bfd_section 0
108 #ifndef elf_backend_final_write_processing
109 #define elf_backend_final_write_processing 0
111 #ifndef elf_backend_ecoff_debug_swap
112 #define elf_backend_ecoff_debug_swap 0
115 static CONST
struct elf_backend_data elf64_bed
=
124 ELF_MACHINE_CODE
, /* elf_machine_code */
125 ELF_MAXPAGESIZE
, /* maxpagesize */
127 elf_info_to_howto_rel
,
128 elf_backend_sym_is_global
,
129 elf_backend_object_p
,
130 elf_backend_symbol_processing
,
131 elf_backend_symbol_table_processing
,
132 elf_backend_section_processing
,
133 elf_backend_section_from_shdr
,
134 elf_backend_fake_sections
,
135 elf_backend_section_from_bfd_section
,
136 elf_backend_ecoff_debug_swap
139 #ifdef TARGET_BIG_SYM
140 bfd_target TARGET_BIG_SYM
=
142 /* name: identify kind of target */
145 /* flavour: general indication about file */
146 bfd_target_elf_flavour
,
148 /* byteorder_big_p: data is big endian */
151 /* header_byteorder_big_p: header is also big endian */
154 /* object_flags: mask of all file flags */
155 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
158 /* section_flags: mask of all section flags */
159 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
160 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
162 /* leading_symbol_char: is the first char of a user symbol
163 predictable, and if so what is it */
166 /* ar_pad_char: pad character for filenames within an archive header
167 FIXME: this really has nothing to do with ELF, this is a characteristic
168 of the archiver and/or os and should be independently tunable */
171 /* ar_max_namelen: maximum number of characters in an archive header
172 FIXME: this really has nothing to do with ELF, this is a characteristic
173 of the archiver and should be independently tunable. This value is
174 a WAG (wild a** guess) */
177 /* align_power_min: minimum alignment restriction for any section
178 FIXME: this value may be target machine dependent */
181 /* Routines to byte-swap various sized integers from the data sections */
182 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
183 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
184 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
186 /* Routines to byte-swap various sized integers from the file headers */
187 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
188 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
189 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
191 /* bfd_check_format: check the format of a file being read */
192 { _bfd_dummy_target
, /* unknown format */
193 bfd_elf64_object_p
, /* assembler/linker output (object file) */
194 bfd_generic_archive_p
, /* an archive */
195 bfd_elf64_core_file_p
/* a core file */
198 /* bfd_set_format: set the format of a file being written */
201 _bfd_generic_mkarchive
,
205 /* bfd_write_contents: write cached information into a file being written */
207 bfd_elf64_write_object_contents
,
208 _bfd_write_archive_contents
,
212 /* Initialize a jump table with the standard macro. All names start with
214 JUMP_TABLE(bfd_elf64
),
221 #ifdef TARGET_LITTLE_SYM
222 bfd_target TARGET_LITTLE_SYM
=
224 /* name: identify kind of target */
227 /* flavour: general indication about file */
228 bfd_target_elf_flavour
,
230 /* byteorder_big_p: data is big endian */
231 false, /* Nope -- this one's little endian */
233 /* header_byteorder_big_p: header is also big endian */
234 false, /* Nope -- this one's little endian */
236 /* object_flags: mask of all file flags */
237 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
240 /* section_flags: mask of all section flags */
241 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
242 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
244 /* leading_symbol_char: is the first char of a user symbol
245 predictable, and if so what is it */
248 /* ar_pad_char: pad character for filenames within an archive header
249 FIXME: this really has nothing to do with ELF, this is a characteristic
250 of the archiver and/or os and should be independently tunable */
253 /* ar_max_namelen: maximum number of characters in an archive header
254 FIXME: this really has nothing to do with ELF, this is a characteristic
255 of the archiver and should be independently tunable. This value is
256 a WAG (wild a** guess) */
259 /* align_power_min: minimum alignment restriction for any section
260 FIXME: this value may be target machine dependent */
263 /* Routines to byte-swap various sized integers from the data sections */
264 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
265 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
266 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
268 /* Routines to byte-swap various sized integers from the file headers */
269 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
270 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
271 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
273 /* bfd_check_format: check the format of a file being read */
274 { _bfd_dummy_target
, /* unknown format */
275 bfd_elf64_object_p
, /* assembler/linker output (object file) */
276 bfd_generic_archive_p
, /* an archive */
277 bfd_elf64_core_file_p
/* a core file */
280 /* bfd_set_format: set the format of a file being written */
283 _bfd_generic_mkarchive
,
287 /* bfd_write_contents: write cached information into a file being written */
289 bfd_elf64_write_object_contents
,
290 _bfd_write_archive_contents
,
294 /* Initialize a jump table with the standard macro. All names start with
296 JUMP_TABLE(bfd_elf64
),