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 static CONST
struct elf_backend_data elf64_bed
=
71 elf_info_to_howto
, /* elf_info_to_howto */
72 #ifdef elf_info_to_howto_rel
73 elf_info_to_howto_rel
, /* elf_info_to_howto_rel */
75 0, /* elf_info_to_howto_rel */
77 ELF_MAXPAGESIZE
, /* maxpagesize */
81 bfd_target TARGET_BIG_SYM
=
83 /* name: identify kind of target */
86 /* flavour: general indication about file */
87 bfd_target_elf_flavour
,
89 /* byteorder_big_p: data is big endian */
92 /* header_byteorder_big_p: header is also big endian */
95 /* object_flags: mask of all file flags */
96 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
99 /* section_flags: mask of all section flags */
100 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
101 SEC_CODE
| SEC_DATA
),
103 /* leading_symbol_char: is the first char of a user symbol
104 predictable, and if so what is it */
107 /* ar_pad_char: pad character for filenames within an archive header
108 FIXME: this really has nothing to do with ELF, this is a characteristic
109 of the archiver and/or os and should be independently tunable */
112 /* ar_max_namelen: maximum number of characters in an archive header
113 FIXME: this really has nothing to do with ELF, this is a characteristic
114 of the archiver and should be independently tunable. This value is
115 a WAG (wild a** guess) */
118 /* align_power_min: minimum alignment restriction for any section
119 FIXME: this value may be target machine dependent */
122 /* Routines to byte-swap various sized integers from the data sections */
123 _do_getb64
, _do_getb_signed_64
, _do_putb64
,
124 _do_getb32
, _do_getb_signed_32
, _do_putb32
,
125 _do_getb16
, _do_getb_signed_16
, _do_putb16
,
127 /* Routines to byte-swap various sized integers from the file headers */
128 _do_getb64
, _do_getb_signed_64
, _do_putb64
,
129 _do_getb32
, _do_getb_signed_32
, _do_putb32
,
130 _do_getb16
, _do_getb_signed_16
, _do_putb16
,
132 /* bfd_check_format: check the format of a file being read */
133 { _bfd_dummy_target
, /* unknown format */
134 bfd_elf64_object_p
, /* assembler/linker output (object file) */
135 bfd_generic_archive_p
, /* an archive */
136 bfd_elf64_core_file_p
/* a core file */
139 /* bfd_set_format: set the format of a file being written */
142 _bfd_generic_mkarchive
,
146 /* bfd_write_contents: write cached information into a file being written */
148 bfd_elf64_write_object_contents
,
149 _bfd_write_archive_contents
,
153 /* Initialize a jump table with the standard macro. All names start with
155 JUMP_TABLE(bfd_elf64
),
162 #ifdef TARGET_LITTLE_SYM
163 bfd_target TARGET_LITTLE_SYM
=
165 /* name: identify kind of target */
168 /* flavour: general indication about file */
169 bfd_target_elf_flavour
,
171 /* byteorder_big_p: data is big endian */
172 false, /* Nope -- this one's little endian */
174 /* header_byteorder_big_p: header is also big endian */
175 false, /* Nope -- this one's little endian */
177 /* object_flags: mask of all file flags */
178 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
181 /* section_flags: mask of all section flags */
182 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
185 /* leading_symbol_char: is the first char of a user symbol
186 predictable, and if so what is it */
189 /* ar_pad_char: pad character for filenames within an archive header
190 FIXME: this really has nothing to do with ELF, this is a characteristic
191 of the archiver and/or os and should be independently tunable */
194 /* ar_max_namelen: maximum number of characters in an archive header
195 FIXME: this really has nothing to do with ELF, this is a characteristic
196 of the archiver and should be independently tunable. This value is
197 a WAG (wild a** guess) */
200 /* align_power_min: minimum alignment restriction for any section
201 FIXME: this value may be target machine dependent */
204 /* Routines to byte-swap various sized integers from the data sections */
205 _do_getl64
, _do_getl_signed_64
, _do_putl64
,
206 _do_getl32
, _do_getl_signed_32
, _do_putl32
,
207 _do_getl16
, _do_getl_signed_16
, _do_putl16
,
209 /* Routines to byte-swap various sized integers from the file headers */
210 _do_getl64
, _do_getl_signed_64
, _do_putl64
,
211 _do_getl32
, _do_getl_signed_32
, _do_putl32
,
212 _do_getl16
, _do_getl_signed_16
, _do_putl16
,
214 /* bfd_check_format: check the format of a file being read */
215 { _bfd_dummy_target
, /* unknown format */
216 bfd_elf64_object_p
, /* assembler/linker output (object file) */
217 bfd_generic_archive_p
, /* an archive */
218 bfd_elf64_core_file_p
/* a core file */
221 /* bfd_set_format: set the format of a file being written */
224 _bfd_generic_mkarchive
,
228 /* bfd_write_contents: write cached information into a file being written */
230 bfd_elf64_write_object_contents
,
231 _bfd_write_archive_contents
,
235 /* Initialize a jump table with the standard macro. All names start with
237 JUMP_TABLE(bfd_elf64
),