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_final_write_processing
95 #define elf_backend_final_write_processing 0
97 #ifndef elf_backend_ecoff_debug_swap
98 #define elf_backend_ecoff_debug_swap 0
101 static CONST struct elf_backend_data elf32_bed =
110 ELF_MACHINE_CODE, /* elf_machine_code */
111 ELF_MAXPAGESIZE, /* maxpagesize */
113 elf_info_to_howto_rel,
114 elf_backend_sym_is_global,
115 elf_backend_object_p,
116 elf_backend_symbol_processing,
117 elf_backend_symbol_table_processing,
118 elf_backend_section_processing,
119 elf_backend_section_from_shdr,
120 elf_backend_fake_sections,
121 elf_backend_section_from_bfd_section,
122 elf_backend_final_write_processing,
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_elf32_object_p, /* assembler/linker output (object file) */
181 bfd_generic_archive_p, /* an archive */
182 bfd_elf32_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_elf32_write_object_contents,
195 _bfd_write_archive_contents,
199 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
200 BFD_JUMP_TABLE_COPY (bfd_elf32),
201 BFD_JUMP_TABLE_CORE (bfd_elf32),
202 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
203 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
204 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
205 BFD_JUMP_TABLE_WRITE (bfd_elf32),
206 BFD_JUMP_TABLE_LINK (bfd_elf32),
207 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
214 #ifdef TARGET_LITTLE_SYM
215 bfd_target TARGET_LITTLE_SYM =
217 /* name: identify kind of target */
220 /* flavour: general indication about file */
221 bfd_target_elf_flavour,
223 /* byteorder_big_p: data is big endian */
224 false, /* Nope -- this one's little endian */
226 /* header_byteorder_big_p: header is also big endian */
227 false, /* Nope -- this one's little endian */
229 /* object_flags: mask of all file flags */
230 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
233 /* section_flags: mask of all section flags */
234 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
235 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
237 /* leading_symbol_char: is the first char of a user symbol
238 predictable, and if so what is it */
241 /* ar_pad_char: pad character for filenames within an archive header
242 FIXME: this really has nothing to do with ELF, this is a characteristic
243 of the archiver and/or os and should be independently tunable */
246 /* ar_max_namelen: maximum number of characters in an archive header
247 FIXME: this really has nothing to do with ELF, this is a characteristic
248 of the archiver and should be independently tunable. This value is
249 a WAG (wild a** guess) */
252 /* align_power_min: minimum alignment restriction for any section
253 FIXME: this value may be target machine dependent */
256 /* Routines to byte-swap various sized integers from the data sections */
257 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
258 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
259 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
261 /* Routines to byte-swap various sized integers from the file headers */
262 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
263 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
264 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
266 /* bfd_check_format: check the format of a file being read */
267 { _bfd_dummy_target, /* unknown format */
268 bfd_elf32_object_p, /* assembler/linker output (object file) */
269 bfd_generic_archive_p, /* an archive */
270 bfd_elf32_core_file_p /* a core file */
273 /* bfd_set_format: set the format of a file being written */
276 _bfd_generic_mkarchive,
280 /* bfd_write_contents: write cached information into a file being written */
282 bfd_elf32_write_object_contents,
283 _bfd_write_archive_contents,
287 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
288 BFD_JUMP_TABLE_COPY (bfd_elf32),
289 BFD_JUMP_TABLE_CORE (bfd_elf32),
290 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
291 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
292 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
293 BFD_JUMP_TABLE_WRITE (bfd_elf32),
294 BFD_JUMP_TABLE_LINK (bfd_elf32),
295 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),