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_seclet_link bfd_generic_seclet_link
51 #define bfd_elf64_bfd_make_debug_symbol \
52 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
54 #ifndef elf_info_to_howto_rel
55 #define elf_info_to_howto_rel 0
58 #ifndef ELF_MAXPAGESIZE
59 #define ELF_MAXPAGESIZE 1
62 #ifndef elf_backend_sym_is_global
63 #define elf_backend_sym_is_global 0
65 #ifndef elf_backend_object_p
66 #define elf_backend_object_p 0
68 #ifndef elf_backend_symbol_processing
69 #define elf_backend_symbol_processing 0
71 #ifndef elf_backend_symbol_table_processing
72 #define elf_backend_symbol_table_processing 0
74 #ifndef elf_backend_section_processing
75 #define elf_backend_section_processing 0
77 #ifndef elf_backend_section_from_shdr
78 #define elf_backend_section_from_shdr 0
80 #ifndef elf_backend_fake_sections
81 #define elf_backend_fake_sections 0
83 #ifndef elf_backend_section_from_bfd_section
84 #define elf_backend_section_from_bfd_section 0
86 #ifndef elf_backend_final_write_processing
87 #define elf_backend_final_write_processing 0
89 #ifndef elf_backend_ecoff_debug_swap
90 #define elf_backend_ecoff_debug_swap 0
93 static CONST struct elf_backend_data elf64_bed =
102 ELF_MACHINE_CODE, /* elf_machine_code */
103 ELF_MAXPAGESIZE, /* maxpagesize */
105 elf_info_to_howto_rel,
106 elf_backend_sym_is_global,
107 elf_backend_object_p,
108 elf_backend_symbol_processing,
109 elf_backend_symbol_table_processing,
110 elf_backend_section_processing,
111 elf_backend_section_from_shdr,
112 elf_backend_fake_sections,
113 elf_backend_section_from_bfd_section,
114 elf_backend_ecoff_debug_swap
117 #ifdef TARGET_BIG_SYM
118 bfd_target TARGET_BIG_SYM =
120 /* name: identify kind of target */
123 /* flavour: general indication about file */
124 bfd_target_elf_flavour,
126 /* byteorder_big_p: data is big endian */
129 /* header_byteorder_big_p: header is also big endian */
132 /* object_flags: mask of all file flags */
133 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
136 /* section_flags: mask of all section flags */
137 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
138 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
140 /* leading_symbol_char: is the first char of a user symbol
141 predictable, and if so what is it */
144 /* ar_pad_char: pad character for filenames within an archive header
145 FIXME: this really has nothing to do with ELF, this is a characteristic
146 of the archiver and/or os and should be independently tunable */
149 /* ar_max_namelen: maximum number of characters in an archive header
150 FIXME: this really has nothing to do with ELF, this is a characteristic
151 of the archiver and should be independently tunable. This value is
152 a WAG (wild a** guess) */
155 /* align_power_min: minimum alignment restriction for any section
156 FIXME: this value may be target machine dependent */
159 /* Routines to byte-swap various sized integers from the data sections */
160 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
161 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
162 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
164 /* Routines to byte-swap various sized integers from the file headers */
165 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
166 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
167 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
169 /* bfd_check_format: check the format of a file being read */
170 { _bfd_dummy_target, /* unknown format */
171 bfd_elf64_object_p, /* assembler/linker output (object file) */
172 bfd_generic_archive_p, /* an archive */
173 bfd_elf64_core_file_p /* a core file */
176 /* bfd_set_format: set the format of a file being written */
179 _bfd_generic_mkarchive,
183 /* bfd_write_contents: write cached information into a file being written */
185 bfd_elf64_write_object_contents,
186 _bfd_write_archive_contents,
190 /* Initialize a jump table with the standard macro. All names start with
192 JUMP_TABLE(bfd_elf64),
199 #ifdef TARGET_LITTLE_SYM
200 bfd_target TARGET_LITTLE_SYM =
202 /* name: identify kind of target */
205 /* flavour: general indication about file */
206 bfd_target_elf_flavour,
208 /* byteorder_big_p: data is big endian */
209 false, /* Nope -- this one's little endian */
211 /* header_byteorder_big_p: header is also big endian */
212 false, /* Nope -- this one's little endian */
214 /* object_flags: mask of all file flags */
215 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
218 /* section_flags: mask of all section flags */
219 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
220 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
222 /* leading_symbol_char: is the first char of a user symbol
223 predictable, and if so what is it */
226 /* ar_pad_char: pad character for filenames within an archive header
227 FIXME: this really has nothing to do with ELF, this is a characteristic
228 of the archiver and/or os and should be independently tunable */
231 /* ar_max_namelen: maximum number of characters in an archive header
232 FIXME: this really has nothing to do with ELF, this is a characteristic
233 of the archiver and should be independently tunable. This value is
234 a WAG (wild a** guess) */
237 /* align_power_min: minimum alignment restriction for any section
238 FIXME: this value may be target machine dependent */
241 /* Routines to byte-swap various sized integers from the data sections */
242 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
243 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
244 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
246 /* Routines to byte-swap various sized integers from the file headers */
247 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
248 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
249 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
251 /* bfd_check_format: check the format of a file being read */
252 { _bfd_dummy_target, /* unknown format */
253 bfd_elf64_object_p, /* assembler/linker output (object file) */
254 bfd_generic_archive_p, /* an archive */
255 bfd_elf64_core_file_p /* a core file */
258 /* bfd_set_format: set the format of a file being written */
261 _bfd_generic_mkarchive,
265 /* bfd_write_contents: write cached information into a file being written */
267 bfd_elf64_write_object_contents,
268 _bfd_write_archive_contents,
272 /* Initialize a jump table with the standard macro. All names start with
274 JUMP_TABLE(bfd_elf64),