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 bfd_elf32_get_dynamic_reloc_upper_bound
63 #define bfd_elf32_get_dynamic_reloc_upper_bound \
64 _bfd_nodynamic_get_dynamic_reloc_upper_bound
66 #ifndef bfd_elf32_canonicalize_dynamic_reloc
67 #define bfd_elf32_canonicalize_dynamic_reloc \
68 _bfd_nodynamic_canonicalize_dynamic_reloc
71 #ifndef elf_info_to_howto_rel
72 #define elf_info_to_howto_rel 0
75 #ifndef ELF_MAXPAGESIZE
76 #define ELF_MAXPAGESIZE 1
79 #ifndef elf_backend_sym_is_global
80 #define elf_backend_sym_is_global 0
82 #ifndef elf_backend_object_p
83 #define elf_backend_object_p 0
85 #ifndef elf_backend_symbol_processing
86 #define elf_backend_symbol_processing 0
88 #ifndef elf_backend_symbol_table_processing
89 #define elf_backend_symbol_table_processing 0
91 #ifndef elf_backend_section_processing
92 #define elf_backend_section_processing 0
94 #ifndef elf_backend_section_from_shdr
95 #define elf_backend_section_from_shdr 0
97 #ifndef elf_backend_fake_sections
98 #define elf_backend_fake_sections 0
100 #ifndef elf_backend_section_from_bfd_section
101 #define elf_backend_section_from_bfd_section 0
103 #ifndef elf_backend_begin_write_processing
104 #define elf_backend_begin_write_processing 0
106 #ifndef elf_backend_final_write_processing
107 #define elf_backend_final_write_processing 0
109 #ifndef elf_backend_ecoff_debug_swap
110 #define elf_backend_ecoff_debug_swap 0
113 static CONST struct elf_backend_data elf32_bed =
122 ELF_MACHINE_CODE, /* elf_machine_code */
123 ELF_MAXPAGESIZE, /* maxpagesize */
125 elf_info_to_howto_rel,
126 elf_backend_sym_is_global,
127 elf_backend_object_p,
128 elf_backend_symbol_processing,
129 elf_backend_symbol_table_processing,
130 elf_backend_section_processing,
131 elf_backend_section_from_shdr,
132 elf_backend_fake_sections,
133 elf_backend_section_from_bfd_section,
134 elf_backend_begin_write_processing,
135 elf_backend_final_write_processing,
136 elf_backend_ecoff_debug_swap
139 #ifdef TARGET_BIG_SYM
140 bfd_target TARGET_BIG_SYM =
142 /* name: identify kind of target */
145 /* flavour: general indication about file */
146 bfd_target_elf_flavour,
148 /* byteorder_big_p: data is big endian */
151 /* header_byteorder_big_p: header is also big endian */
154 /* object_flags: mask of all file flags */
155 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
158 /* section_flags: mask of all section flags */
159 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
160 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
162 /* leading_symbol_char: is the first char of a user symbol
163 predictable, and if so what is it */
166 /* ar_pad_char: pad character for filenames within an archive header
167 FIXME: this really has nothing to do with ELF, this is a characteristic
168 of the archiver and/or os and should be independently tunable */
171 /* ar_max_namelen: maximum number of characters in an archive header
172 FIXME: this really has nothing to do with ELF, this is a characteristic
173 of the archiver and should be independently tunable. This value is
174 a WAG (wild a** guess) */
177 /* align_power_min: minimum alignment restriction for any section
178 FIXME: this value may be target machine dependent */
181 /* Routines to byte-swap various sized integers from the data sections */
182 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
183 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
184 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
186 /* Routines to byte-swap various sized integers from the file headers */
187 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
188 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
189 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
191 /* bfd_check_format: check the format of a file being read */
192 { _bfd_dummy_target, /* unknown format */
193 bfd_elf32_object_p, /* assembler/linker output (object file) */
194 bfd_generic_archive_p, /* an archive */
195 bfd_elf32_core_file_p /* a core file */
198 /* bfd_set_format: set the format of a file being written */
201 _bfd_generic_mkarchive,
205 /* bfd_write_contents: write cached information into a file being written */
207 bfd_elf32_write_object_contents,
208 _bfd_write_archive_contents,
212 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
213 BFD_JUMP_TABLE_COPY (bfd_elf32),
214 BFD_JUMP_TABLE_CORE (bfd_elf32),
215 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
216 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
217 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
218 BFD_JUMP_TABLE_WRITE (bfd_elf32),
219 BFD_JUMP_TABLE_LINK (bfd_elf32),
220 BFD_JUMP_TABLE_DYNAMIC (bfd_elf32),
227 #ifdef TARGET_LITTLE_SYM
228 bfd_target TARGET_LITTLE_SYM =
230 /* name: identify kind of target */
233 /* flavour: general indication about file */
234 bfd_target_elf_flavour,
236 /* byteorder_big_p: data is big endian */
237 false, /* Nope -- this one's little endian */
239 /* header_byteorder_big_p: header is also big endian */
240 false, /* Nope -- this one's little endian */
242 /* object_flags: mask of all file flags */
243 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
246 /* section_flags: mask of all section flags */
247 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
248 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
250 /* leading_symbol_char: is the first char of a user symbol
251 predictable, and if so what is it */
254 /* ar_pad_char: pad character for filenames within an archive header
255 FIXME: this really has nothing to do with ELF, this is a characteristic
256 of the archiver and/or os and should be independently tunable */
259 /* ar_max_namelen: maximum number of characters in an archive header
260 FIXME: this really has nothing to do with ELF, this is a characteristic
261 of the archiver and should be independently tunable. This value is
262 a WAG (wild a** guess) */
265 /* align_power_min: minimum alignment restriction for any section
266 FIXME: this value may be target machine dependent */
269 /* Routines to byte-swap various sized integers from the data sections */
270 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
271 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
272 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
274 /* Routines to byte-swap various sized integers from the file headers */
275 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
276 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
277 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
279 /* bfd_check_format: check the format of a file being read */
280 { _bfd_dummy_target, /* unknown format */
281 bfd_elf32_object_p, /* assembler/linker output (object file) */
282 bfd_generic_archive_p, /* an archive */
283 bfd_elf32_core_file_p /* a core file */
286 /* bfd_set_format: set the format of a file being written */
289 _bfd_generic_mkarchive,
293 /* bfd_write_contents: write cached information into a file being written */
295 bfd_elf32_write_object_contents,
296 _bfd_write_archive_contents,
300 BFD_JUMP_TABLE_GENERIC (bfd_elf32),
301 BFD_JUMP_TABLE_COPY (bfd_elf32),
302 BFD_JUMP_TABLE_CORE (bfd_elf32),
303 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
304 BFD_JUMP_TABLE_SYMBOLS (bfd_elf32),
305 BFD_JUMP_TABLE_RELOCS (bfd_elf32),
306 BFD_JUMP_TABLE_WRITE (bfd_elf32),
307 BFD_JUMP_TABLE_LINK (bfd_elf32),
308 BFD_JUMP_TABLE_DYNAMIC (bfd_elf32),