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 elf_info_to_howto_rel
64 #define elf_info_to_howto_rel 0
67 #ifndef ELF_MAXPAGESIZE
68 #define ELF_MAXPAGESIZE 1
71 #ifndef elf_backend_sym_is_global
72 #define elf_backend_sym_is_global 0
74 #ifndef elf_backend_object_p
75 #define elf_backend_object_p 0
77 #ifndef elf_backend_symbol_processing
78 #define elf_backend_symbol_processing 0
80 #ifndef elf_backend_symbol_table_processing
81 #define elf_backend_symbol_table_processing 0
83 #ifndef elf_backend_section_processing
84 #define elf_backend_section_processing 0
86 #ifndef elf_backend_section_from_shdr
87 #define elf_backend_section_from_shdr 0
89 #ifndef elf_backend_fake_sections
90 #define elf_backend_fake_sections 0
92 #ifndef elf_backend_section_from_bfd_section
93 #define elf_backend_section_from_bfd_section 0
95 #ifndef elf_backend_final_write_processing
96 #define elf_backend_final_write_processing 0
98 #ifndef elf_backend_ecoff_debug_swap
99 #define elf_backend_ecoff_debug_swap 0
102 static CONST struct elf_backend_data elf64_bed =
111 ELF_MACHINE_CODE, /* elf_machine_code */
112 ELF_MAXPAGESIZE, /* maxpagesize */
114 elf_info_to_howto_rel,
115 elf_backend_sym_is_global,
116 elf_backend_object_p,
117 elf_backend_symbol_processing,
118 elf_backend_symbol_table_processing,
119 elf_backend_section_processing,
120 elf_backend_section_from_shdr,
121 elf_backend_fake_sections,
122 elf_backend_section_from_bfd_section,
123 elf_backend_ecoff_debug_swap
126 #ifdef TARGET_BIG_SYM
127 bfd_target TARGET_BIG_SYM =
129 /* name: identify kind of target */
132 /* flavour: general indication about file */
133 bfd_target_elf_flavour,
135 /* byteorder_big_p: data is big endian */
138 /* header_byteorder_big_p: header is also big endian */
141 /* object_flags: mask of all file flags */
142 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
145 /* section_flags: mask of all section flags */
146 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
147 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
149 /* leading_symbol_char: is the first char of a user symbol
150 predictable, and if so what is it */
153 /* ar_pad_char: pad character for filenames within an archive header
154 FIXME: this really has nothing to do with ELF, this is a characteristic
155 of the archiver and/or os and should be independently tunable */
158 /* ar_max_namelen: maximum number of characters in an archive header
159 FIXME: this really has nothing to do with ELF, this is a characteristic
160 of the archiver and should be independently tunable. This value is
161 a WAG (wild a** guess) */
164 /* align_power_min: minimum alignment restriction for any section
165 FIXME: this value may be target machine dependent */
168 /* Routines to byte-swap various sized integers from the data sections */
169 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
170 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
171 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
173 /* Routines to byte-swap various sized integers from the file headers */
174 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
175 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
176 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
178 /* bfd_check_format: check the format of a file being read */
179 { _bfd_dummy_target, /* unknown format */
180 bfd_elf64_object_p, /* assembler/linker output (object file) */
181 bfd_generic_archive_p, /* an archive */
182 bfd_elf64_core_file_p /* a core file */
185 /* bfd_set_format: set the format of a file being written */
188 _bfd_generic_mkarchive,
192 /* bfd_write_contents: write cached information into a file being written */
194 bfd_elf64_write_object_contents,
195 _bfd_write_archive_contents,
199 /* Initialize a jump table with the standard macro. All names start with
201 JUMP_TABLE(bfd_elf64),
208 #ifdef TARGET_LITTLE_SYM
209 bfd_target TARGET_LITTLE_SYM =
211 /* name: identify kind of target */
214 /* flavour: general indication about file */
215 bfd_target_elf_flavour,
217 /* byteorder_big_p: data is big endian */
218 false, /* Nope -- this one's little endian */
220 /* header_byteorder_big_p: header is also big endian */
221 false, /* Nope -- this one's little endian */
223 /* object_flags: mask of all file flags */
224 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
227 /* section_flags: mask of all section flags */
228 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
229 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
231 /* leading_symbol_char: is the first char of a user symbol
232 predictable, and if so what is it */
235 /* ar_pad_char: pad character for filenames within an archive header
236 FIXME: this really has nothing to do with ELF, this is a characteristic
237 of the archiver and/or os and should be independently tunable */
240 /* ar_max_namelen: maximum number of characters in an archive header
241 FIXME: this really has nothing to do with ELF, this is a characteristic
242 of the archiver and should be independently tunable. This value is
243 a WAG (wild a** guess) */
246 /* align_power_min: minimum alignment restriction for any section
247 FIXME: this value may be target machine dependent */
250 /* Routines to byte-swap various sized integers from the data sections */
251 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
252 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
253 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
255 /* Routines to byte-swap various sized integers from the file headers */
256 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
257 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
258 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
260 /* bfd_check_format: check the format of a file being read */
261 { _bfd_dummy_target, /* unknown format */
262 bfd_elf64_object_p, /* assembler/linker output (object file) */
263 bfd_generic_archive_p, /* an archive */
264 bfd_elf64_core_file_p /* a core file */
267 /* bfd_set_format: set the format of a file being written */
270 _bfd_generic_mkarchive,
274 /* bfd_write_contents: write cached information into a file being written */
276 bfd_elf64_write_object_contents,
277 _bfd_write_archive_contents,
281 /* Initialize a jump table with the standard macro. All names start with
283 JUMP_TABLE(bfd_elf64),