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_symbol_processing
63 #define elf_backend_symbol_processing 0 /* elf_backend_symbol_processing */
65 #ifndef elf_backend_symbol_table_processing
66 #define elf_backend_symbol_table_processing 0 /* elf_backend_symbol_table_processing */
68 #ifndef elf_backend_section_processing
69 #define elf_backend_section_processing 0 /* elf_backend_section_processing */
71 #ifndef elf_backend_section_from_shdr
72 #define elf_backend_section_from_shdr 0 /* elf_backend_section_from_shdr */
74 #ifndef elf_backend_fake_sections
75 #define elf_backend_fake_sections 0 /* elf_backend_fake_sections */
77 #ifndef elf_backend_section_from_bfd_section
78 #define elf_backend_section_from_bfd_section 0 /* elf_backend_section_from_bfd_section */
80 #ifndef elf_backend_ecoff_debug_swap
81 #define elf_backend_ecoff_debug_swap 0 /* elf_backed_ecoff_debug_swap */
84 static CONST
struct elf_backend_data elf64_bed
=
93 ELF_MAXPAGESIZE
, /* maxpagesize */
94 elf_info_to_howto
, /* elf_info_to_howto */
95 elf_info_to_howto_rel
, /* elf_info_to_howto_rel */
96 elf_backend_symbol_processing
, /* elf_backend_symbol_processing */
97 elf_backend_symbol_table_processing
, /* elf_backend_symbol_table_processing */
98 elf_backend_section_processing
, /* elf_backend_section_processing */
99 elf_backend_section_from_shdr
, /* elf_backend_section_from_shdr */
100 elf_backend_fake_sections
, /* elf_backend_fake_sections */
101 elf_backend_section_from_bfd_section
, /* elf_backend_section_from_bfd_section */
102 elf_backend_ecoff_debug_swap
/* elf_backend_ecoff_debug_swap */
105 #ifdef TARGET_BIG_SYM
106 bfd_target TARGET_BIG_SYM
=
108 /* name: identify kind of target */
111 /* flavour: general indication about file */
112 bfd_target_elf_flavour
,
114 /* byteorder_big_p: data is big endian */
117 /* header_byteorder_big_p: header is also big endian */
120 /* object_flags: mask of all file flags */
121 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
124 /* section_flags: mask of all section flags */
125 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
126 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
128 /* leading_symbol_char: is the first char of a user symbol
129 predictable, and if so what is it */
132 /* ar_pad_char: pad character for filenames within an archive header
133 FIXME: this really has nothing to do with ELF, this is a characteristic
134 of the archiver and/or os and should be independently tunable */
137 /* ar_max_namelen: maximum number of characters in an archive header
138 FIXME: this really has nothing to do with ELF, this is a characteristic
139 of the archiver and should be independently tunable. This value is
140 a WAG (wild a** guess) */
143 /* align_power_min: minimum alignment restriction for any section
144 FIXME: this value may be target machine dependent */
147 /* Routines to byte-swap various sized integers from the data sections */
148 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
149 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
150 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
152 /* Routines to byte-swap various sized integers from the file headers */
153 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
154 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
155 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
157 /* bfd_check_format: check the format of a file being read */
158 { _bfd_dummy_target
, /* unknown format */
159 bfd_elf64_object_p
, /* assembler/linker output (object file) */
160 bfd_generic_archive_p
, /* an archive */
161 bfd_elf64_core_file_p
/* a core file */
164 /* bfd_set_format: set the format of a file being written */
167 _bfd_generic_mkarchive
,
171 /* bfd_write_contents: write cached information into a file being written */
173 bfd_elf64_write_object_contents
,
174 _bfd_write_archive_contents
,
178 /* Initialize a jump table with the standard macro. All names start with
180 JUMP_TABLE(bfd_elf64
),
187 #ifdef TARGET_LITTLE_SYM
188 bfd_target TARGET_LITTLE_SYM
=
190 /* name: identify kind of target */
193 /* flavour: general indication about file */
194 bfd_target_elf_flavour
,
196 /* byteorder_big_p: data is big endian */
197 false, /* Nope -- this one's little endian */
199 /* header_byteorder_big_p: header is also big endian */
200 false, /* Nope -- this one's little endian */
202 /* object_flags: mask of all file flags */
203 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
206 /* section_flags: mask of all section flags */
207 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
208 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
210 /* leading_symbol_char: is the first char of a user symbol
211 predictable, and if so what is it */
214 /* ar_pad_char: pad character for filenames within an archive header
215 FIXME: this really has nothing to do with ELF, this is a characteristic
216 of the archiver and/or os and should be independently tunable */
219 /* ar_max_namelen: maximum number of characters in an archive header
220 FIXME: this really has nothing to do with ELF, this is a characteristic
221 of the archiver and should be independently tunable. This value is
222 a WAG (wild a** guess) */
225 /* align_power_min: minimum alignment restriction for any section
226 FIXME: this value may be target machine dependent */
229 /* Routines to byte-swap various sized integers from the data sections */
230 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
231 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
232 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
234 /* Routines to byte-swap various sized integers from the file headers */
235 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
236 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
237 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
239 /* bfd_check_format: check the format of a file being read */
240 { _bfd_dummy_target
, /* unknown format */
241 bfd_elf64_object_p
, /* assembler/linker output (object file) */
242 bfd_generic_archive_p
, /* an archive */
243 bfd_elf64_core_file_p
/* a core file */
246 /* bfd_set_format: set the format of a file being written */
249 _bfd_generic_mkarchive
,
253 /* bfd_write_contents: write cached information into a file being written */
255 bfd_elf64_write_object_contents
,
256 _bfd_write_archive_contents
,
260 /* Initialize a jump table with the standard macro. All names start with
262 JUMP_TABLE(bfd_elf64
),