1 /* Target definitions for 32-bit ELF
2 Copyright 1993, 1994 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 #define bfd_elf32_close_and_cleanup _bfd_generic_close_and_cleanup
29 #define bfd_elf32_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
30 #ifndef bfd_elf32_get_section_contents
31 #define bfd_elf32_get_section_contents _bfd_generic_get_section_contents
34 #define bfd_elf32_bfd_get_relocated_section_contents \
35 bfd_generic_get_relocated_section_contents
36 #define bfd_elf32_bfd_relax_section bfd_generic_relax_section
37 #define bfd_elf32_bfd_make_debug_symbol \
38 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
39 #ifndef bfd_elf32_bfd_link_hash_table_create
40 #define bfd_elf32_bfd_link_hash_table_create \
41 _bfd_generic_link_hash_table_create
43 #ifndef bfd_elf32_bfd_link_add_symbols
44 #define bfd_elf32_bfd_link_add_symbols _bfd_generic_link_add_symbols
46 #ifndef bfd_elf32_bfd_final_link
47 #define bfd_elf32_bfd_final_link _bfd_generic_final_link
50 #ifndef bfd_elf32_bfd_copy_private_section_data
51 #define bfd_elf32_bfd_copy_private_section_data \
52 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
54 #ifndef bfd_elf32_bfd_copy_private_bfd_data
55 #define bfd_elf32_bfd_copy_private_bfd_data \
56 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
58 #ifndef bfd_elf32_bfd_is_local_label
59 #define bfd_elf32_bfd_is_local_label bfd_generic_is_local_label
62 #ifndef elf_info_to_howto_rel
63 #define elf_info_to_howto_rel 0
66 #ifndef ELF_MAXPAGESIZE
67 #define ELF_MAXPAGESIZE 1
70 #ifndef elf_backend_sym_is_global
71 #define elf_backend_sym_is_global 0
73 #ifndef elf_backend_object_p
74 #define elf_backend_object_p 0
76 #ifndef elf_backend_symbol_processing
77 #define elf_backend_symbol_processing 0
79 #ifndef elf_backend_symbol_table_processing
80 #define elf_backend_symbol_table_processing 0
82 #ifndef elf_backend_section_processing
83 #define elf_backend_section_processing 0
85 #ifndef elf_backend_section_from_shdr
86 #define elf_backend_section_from_shdr 0
88 #ifndef elf_backend_fake_sections
89 #define elf_backend_fake_sections 0
91 #ifndef elf_backend_section_from_bfd_section
92 #define elf_backend_section_from_bfd_section 0
94 #ifndef elf_backend_begin_write_processing
95 #define elf_backend_begin_write_processing 0
97 #ifndef elf_backend_final_write_processing
98 #define elf_backend_final_write_processing 0
100 #ifndef elf_backend_ecoff_debug_swap
101 #define elf_backend_ecoff_debug_swap 0
104 static CONST
struct elf_backend_data elf32_bed
=
113 ELF_MACHINE_CODE
, /* elf_machine_code */
114 ELF_MAXPAGESIZE
, /* maxpagesize */
116 elf_info_to_howto_rel
,
117 elf_backend_sym_is_global
,
118 elf_backend_object_p
,
119 elf_backend_symbol_processing
,
120 elf_backend_symbol_table_processing
,
121 elf_backend_section_processing
,
122 elf_backend_section_from_shdr
,
123 elf_backend_fake_sections
,
124 elf_backend_section_from_bfd_section
,
125 elf_backend_begin_write_processing
,
126 elf_backend_final_write_processing
,
127 elf_backend_ecoff_debug_swap
130 #ifdef TARGET_BIG_SYM
131 bfd_target TARGET_BIG_SYM
=
133 /* name: identify kind of target */
136 /* flavour: general indication about file */
137 bfd_target_elf_flavour
,
139 /* byteorder_big_p: data is big endian */
142 /* header_byteorder_big_p: header is also big endian */
145 /* object_flags: mask of all file flags */
146 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
149 /* section_flags: mask of all section flags */
150 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
151 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
153 /* leading_symbol_char: is the first char of a user symbol
154 predictable, and if so what is it */
157 /* ar_pad_char: pad character for filenames within an archive header
158 FIXME: this really has nothing to do with ELF, this is a characteristic
159 of the archiver and/or os and should be independently tunable */
162 /* ar_max_namelen: maximum number of characters in an archive header
163 FIXME: this really has nothing to do with ELF, this is a characteristic
164 of the archiver and should be independently tunable. This value is
165 a WAG (wild a** guess) */
168 /* align_power_min: minimum alignment restriction for any section
169 FIXME: this value may be target machine dependent */
172 /* Routines to byte-swap various sized integers from the data sections */
173 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
174 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
175 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
177 /* Routines to byte-swap various sized integers from the file headers */
178 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
179 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
180 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
182 /* bfd_check_format: check the format of a file being read */
183 { _bfd_dummy_target
, /* unknown format */
184 bfd_elf32_object_p
, /* assembler/linker output (object file) */
185 bfd_generic_archive_p
, /* an archive */
186 bfd_elf32_core_file_p
/* a core file */
189 /* bfd_set_format: set the format of a file being written */
192 _bfd_generic_mkarchive
,
196 /* bfd_write_contents: write cached information into a file being written */
198 bfd_elf32_write_object_contents
,
199 _bfd_write_archive_contents
,
203 BFD_JUMP_TABLE_GENERIC (bfd_elf32
),
204 BFD_JUMP_TABLE_COPY (bfd_elf32
),
205 BFD_JUMP_TABLE_CORE (bfd_elf32
),
206 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
207 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32
),
208 BFD_JUMP_TABLE_RELOCS (bfd_elf32
),
209 BFD_JUMP_TABLE_WRITE (bfd_elf32
),
210 BFD_JUMP_TABLE_LINK (bfd_elf32
),
211 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic
),
218 #ifdef TARGET_LITTLE_SYM
219 bfd_target TARGET_LITTLE_SYM
=
221 /* name: identify kind of target */
224 /* flavour: general indication about file */
225 bfd_target_elf_flavour
,
227 /* byteorder_big_p: data is big endian */
228 false, /* Nope -- this one's little endian */
230 /* header_byteorder_big_p: header is also big endian */
231 false, /* Nope -- this one's little endian */
233 /* object_flags: mask of all file flags */
234 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
237 /* section_flags: mask of all section flags */
238 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
239 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
241 /* leading_symbol_char: is the first char of a user symbol
242 predictable, and if so what is it */
245 /* ar_pad_char: pad character for filenames within an archive header
246 FIXME: this really has nothing to do with ELF, this is a characteristic
247 of the archiver and/or os and should be independently tunable */
250 /* ar_max_namelen: maximum number of characters in an archive header
251 FIXME: this really has nothing to do with ELF, this is a characteristic
252 of the archiver and should be independently tunable. This value is
253 a WAG (wild a** guess) */
256 /* align_power_min: minimum alignment restriction for any section
257 FIXME: this value may be target machine dependent */
260 /* Routines to byte-swap various sized integers from the data sections */
261 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
262 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
263 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
265 /* Routines to byte-swap various sized integers from the file headers */
266 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
267 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
268 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
270 /* bfd_check_format: check the format of a file being read */
271 { _bfd_dummy_target
, /* unknown format */
272 bfd_elf32_object_p
, /* assembler/linker output (object file) */
273 bfd_generic_archive_p
, /* an archive */
274 bfd_elf32_core_file_p
/* a core file */
277 /* bfd_set_format: set the format of a file being written */
280 _bfd_generic_mkarchive
,
284 /* bfd_write_contents: write cached information into a file being written */
286 bfd_elf32_write_object_contents
,
287 _bfd_write_archive_contents
,
291 BFD_JUMP_TABLE_GENERIC (bfd_elf32
),
292 BFD_JUMP_TABLE_COPY (bfd_elf32
),
293 BFD_JUMP_TABLE_CORE (bfd_elf32
),
294 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
295 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32
),
296 BFD_JUMP_TABLE_RELOCS (bfd_elf32
),
297 BFD_JUMP_TABLE_WRITE (bfd_elf32
),
298 BFD_JUMP_TABLE_LINK (bfd_elf32
),
299 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic
),