1 /* Target definitions for 32-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_elf32_slurp_armap
30 #define bfd_elf32_slurp_armap bfd_slurp_coff_armap
32 #define bfd_elf32_slurp_extended_name_table _bfd_slurp_extended_name_table
33 #define bfd_elf32_truncate_arname bfd_dont_truncate_arname
34 #define bfd_elf32_openr_next_archived_file bfd_generic_openr_next_archived_file
35 #define bfd_elf32_generic_stat_arch_elt bfd_generic_stat_arch_elt
36 #ifndef bfd_elf32_write_armap
37 #define bfd_elf32_write_armap coff_write_armap
40 /* Ordinary section reading and writing */
41 #define bfd_elf32_get_section_contents bfd_generic_get_section_contents
42 #define bfd_elf32_close_and_cleanup bfd_generic_close_and_cleanup
44 #define bfd_elf32_bfd_debug_info_start bfd_void
45 #define bfd_elf32_bfd_debug_info_end bfd_void
46 #define bfd_elf32_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
47 #define bfd_elf32_bfd_get_relocated_section_contents \
48 bfd_generic_get_relocated_section_contents
49 #define bfd_elf32_bfd_relax_section bfd_generic_relax_section
50 #define bfd_elf32_bfd_make_debug_symbol \
51 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
52 #ifndef bfd_elf32_bfd_link_hash_table_create
53 #define bfd_elf32_bfd_link_hash_table_create \
54 _bfd_generic_link_hash_table_create
56 #ifndef bfd_elf32_bfd_link_add_symbols
57 #define bfd_elf32_bfd_link_add_symbols _bfd_generic_link_add_symbols
59 #ifndef bfd_elf32_bfd_final_link
60 #define bfd_elf32_bfd_final_link _bfd_generic_final_link
63 #ifndef bfd_elf32_bfd_copy_private_section_data
64 #define bfd_elf32_bfd_copy_private_section_data \
65 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
67 #ifndef bfd_elf32_bfd_copy_private_bfd_data
68 #define bfd_elf32_bfd_copy_private_bfd_data \
69 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
71 #ifndef bfd_elf32_bfd_is_local_label
72 #define bfd_elf32_bfd_is_local_label bfd_generic_is_local_label
74 #ifndef bfd_elf32_bfd_free_cached_info
75 #define bfd_elf32_bfd_free_cached_info bfd_true
78 #ifndef elf_info_to_howto_rel
79 #define elf_info_to_howto_rel 0
82 #ifndef ELF_MAXPAGESIZE
83 #define ELF_MAXPAGESIZE 1
86 #ifndef elf_backend_sym_is_global
87 #define elf_backend_sym_is_global 0
89 #ifndef elf_backend_object_p
90 #define elf_backend_object_p 0
92 #ifndef elf_backend_symbol_processing
93 #define elf_backend_symbol_processing 0
95 #ifndef elf_backend_symbol_table_processing
96 #define elf_backend_symbol_table_processing 0
98 #ifndef elf_backend_section_processing
99 #define elf_backend_section_processing 0
101 #ifndef elf_backend_section_from_shdr
102 #define elf_backend_section_from_shdr 0
104 #ifndef elf_backend_fake_sections
105 #define elf_backend_fake_sections 0
107 #ifndef elf_backend_section_from_bfd_section
108 #define elf_backend_section_from_bfd_section 0
110 #ifndef elf_backend_final_write_processing
111 #define elf_backend_final_write_processing 0
113 #ifndef elf_backend_ecoff_debug_swap
114 #define elf_backend_ecoff_debug_swap 0
117 static CONST
struct elf_backend_data elf32_bed
=
126 ELF_MACHINE_CODE
, /* elf_machine_code */
127 ELF_MAXPAGESIZE
, /* maxpagesize */
129 elf_info_to_howto_rel
,
130 elf_backend_sym_is_global
,
131 elf_backend_object_p
,
132 elf_backend_symbol_processing
,
133 elf_backend_symbol_table_processing
,
134 elf_backend_section_processing
,
135 elf_backend_section_from_shdr
,
136 elf_backend_fake_sections
,
137 elf_backend_section_from_bfd_section
,
138 elf_backend_final_write_processing
,
139 elf_backend_ecoff_debug_swap
142 #ifdef TARGET_BIG_SYM
143 bfd_target TARGET_BIG_SYM
=
145 /* name: identify kind of target */
148 /* flavour: general indication about file */
149 bfd_target_elf_flavour
,
151 /* byteorder_big_p: data is big endian */
154 /* header_byteorder_big_p: header is also big endian */
157 /* object_flags: mask of all file flags */
158 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
161 /* section_flags: mask of all section flags */
162 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
163 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
165 /* leading_symbol_char: is the first char of a user symbol
166 predictable, and if so what is it */
169 /* ar_pad_char: pad character for filenames within an archive header
170 FIXME: this really has nothing to do with ELF, this is a characteristic
171 of the archiver and/or os and should be independently tunable */
174 /* ar_max_namelen: maximum number of characters in an archive header
175 FIXME: this really has nothing to do with ELF, this is a characteristic
176 of the archiver and should be independently tunable. This value is
177 a WAG (wild a** guess) */
180 /* align_power_min: minimum alignment restriction for any section
181 FIXME: this value may be target machine dependent */
184 /* Routines to byte-swap various sized integers from the data sections */
185 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
186 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
187 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
189 /* Routines to byte-swap various sized integers from the file headers */
190 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
191 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
192 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
194 /* bfd_check_format: check the format of a file being read */
195 { _bfd_dummy_target
, /* unknown format */
196 bfd_elf32_object_p
, /* assembler/linker output (object file) */
197 bfd_generic_archive_p
, /* an archive */
198 bfd_elf32_core_file_p
/* a core file */
201 /* bfd_set_format: set the format of a file being written */
204 _bfd_generic_mkarchive
,
208 /* bfd_write_contents: write cached information into a file being written */
210 bfd_elf32_write_object_contents
,
211 _bfd_write_archive_contents
,
215 /* Initialize a jump table with the standard macro. All names start with
217 JUMP_TABLE(bfd_elf32
),
224 #ifdef TARGET_LITTLE_SYM
225 bfd_target TARGET_LITTLE_SYM
=
227 /* name: identify kind of target */
230 /* flavour: general indication about file */
231 bfd_target_elf_flavour
,
233 /* byteorder_big_p: data is big endian */
234 false, /* Nope -- this one's little endian */
236 /* header_byteorder_big_p: header is also big endian */
237 false, /* Nope -- this one's little endian */
239 /* object_flags: mask of all file flags */
240 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
243 /* section_flags: mask of all section flags */
244 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
245 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
247 /* leading_symbol_char: is the first char of a user symbol
248 predictable, and if so what is it */
251 /* ar_pad_char: pad character for filenames within an archive header
252 FIXME: this really has nothing to do with ELF, this is a characteristic
253 of the archiver and/or os and should be independently tunable */
256 /* ar_max_namelen: maximum number of characters in an archive header
257 FIXME: this really has nothing to do with ELF, this is a characteristic
258 of the archiver and should be independently tunable. This value is
259 a WAG (wild a** guess) */
262 /* align_power_min: minimum alignment restriction for any section
263 FIXME: this value may be target machine dependent */
266 /* Routines to byte-swap various sized integers from the data sections */
267 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
268 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
269 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
271 /* Routines to byte-swap various sized integers from the file headers */
272 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
273 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
274 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
276 /* bfd_check_format: check the format of a file being read */
277 { _bfd_dummy_target
, /* unknown format */
278 bfd_elf32_object_p
, /* assembler/linker output (object file) */
279 bfd_generic_archive_p
, /* an archive */
280 bfd_elf32_core_file_p
/* a core file */
283 /* bfd_set_format: set the format of a file being written */
286 _bfd_generic_mkarchive
,
290 /* bfd_write_contents: write cached information into a file being written */
292 bfd_elf32_write_object_contents
,
293 _bfd_write_archive_contents
,
297 /* Initialize a jump table with the standard macro. All names start with
299 JUMP_TABLE(bfd_elf32
),