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 #ifndef bfd_elf32_bfd_seclet_link
51 #define bfd_elf32_bfd_seclet_link bfd_generic_seclet_link
53 #define bfd_elf32_bfd_make_debug_symbol \
54 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
56 #ifndef elf_info_to_howto_rel
57 #define elf_info_to_howto_rel 0
60 #ifndef ELF_MAXPAGESIZE
61 #define ELF_MAXPAGESIZE 1
64 #ifndef elf_backend_sym_is_global
65 #define elf_backend_sym_is_global 0
67 #ifndef elf_backend_object_p
68 #define elf_backend_object_p 0
70 #ifndef elf_backend_symbol_processing
71 #define elf_backend_symbol_processing 0
73 #ifndef elf_backend_symbol_table_processing
74 #define elf_backend_symbol_table_processing 0
76 #ifndef elf_backend_section_processing
77 #define elf_backend_section_processing 0
79 #ifndef elf_backend_section_from_shdr
80 #define elf_backend_section_from_shdr 0
82 #ifndef elf_backend_fake_sections
83 #define elf_backend_fake_sections 0
85 #ifndef elf_backend_section_from_bfd_section
86 #define elf_backend_section_from_bfd_section 0
88 #ifndef elf_backend_final_write_processing
89 #define elf_backend_final_write_processing 0
91 #ifndef elf_backend_ecoff_debug_swap
92 #define elf_backend_ecoff_debug_swap 0
95 static CONST
struct elf_backend_data elf32_bed
=
104 ELF_MACHINE_CODE
, /* elf_machine_code */
105 ELF_MAXPAGESIZE
, /* maxpagesize */
107 elf_info_to_howto_rel
,
108 elf_backend_sym_is_global
,
109 elf_backend_object_p
,
110 elf_backend_symbol_processing
,
111 elf_backend_symbol_table_processing
,
112 elf_backend_section_processing
,
113 elf_backend_section_from_shdr
,
114 elf_backend_fake_sections
,
115 elf_backend_section_from_bfd_section
,
116 elf_backend_final_write_processing
,
117 elf_backend_ecoff_debug_swap
120 #ifdef TARGET_BIG_SYM
121 bfd_target TARGET_BIG_SYM
=
123 /* name: identify kind of target */
126 /* flavour: general indication about file */
127 bfd_target_elf_flavour
,
129 /* byteorder_big_p: data is big endian */
132 /* header_byteorder_big_p: header is also big endian */
135 /* object_flags: mask of all file flags */
136 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
139 /* section_flags: mask of all section flags */
140 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
141 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
143 /* leading_symbol_char: is the first char of a user symbol
144 predictable, and if so what is it */
147 /* ar_pad_char: pad character for filenames within an archive header
148 FIXME: this really has nothing to do with ELF, this is a characteristic
149 of the archiver and/or os and should be independently tunable */
152 /* ar_max_namelen: maximum number of characters in an archive header
153 FIXME: this really has nothing to do with ELF, this is a characteristic
154 of the archiver and should be independently tunable. This value is
155 a WAG (wild a** guess) */
158 /* align_power_min: minimum alignment restriction for any section
159 FIXME: this value may be target machine dependent */
162 /* Routines to byte-swap various sized integers from the data sections */
163 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
164 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
165 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
167 /* Routines to byte-swap various sized integers from the file headers */
168 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
169 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
170 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
172 /* bfd_check_format: check the format of a file being read */
173 { _bfd_dummy_target
, /* unknown format */
174 bfd_elf32_object_p
, /* assembler/linker output (object file) */
175 bfd_generic_archive_p
, /* an archive */
176 bfd_elf32_core_file_p
/* a core file */
179 /* bfd_set_format: set the format of a file being written */
182 _bfd_generic_mkarchive
,
186 /* bfd_write_contents: write cached information into a file being written */
188 bfd_elf32_write_object_contents
,
189 _bfd_write_archive_contents
,
193 /* Initialize a jump table with the standard macro. All names start with
195 JUMP_TABLE(bfd_elf32
),
202 #ifdef TARGET_LITTLE_SYM
203 bfd_target TARGET_LITTLE_SYM
=
205 /* name: identify kind of target */
208 /* flavour: general indication about file */
209 bfd_target_elf_flavour
,
211 /* byteorder_big_p: data is big endian */
212 false, /* Nope -- this one's little endian */
214 /* header_byteorder_big_p: header is also big endian */
215 false, /* Nope -- this one's little endian */
217 /* object_flags: mask of all file flags */
218 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
221 /* section_flags: mask of all section flags */
222 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
223 SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
),
225 /* leading_symbol_char: is the first char of a user symbol
226 predictable, and if so what is it */
229 /* ar_pad_char: pad character for filenames within an archive header
230 FIXME: this really has nothing to do with ELF, this is a characteristic
231 of the archiver and/or os and should be independently tunable */
234 /* ar_max_namelen: maximum number of characters in an archive header
235 FIXME: this really has nothing to do with ELF, this is a characteristic
236 of the archiver and should be independently tunable. This value is
237 a WAG (wild a** guess) */
240 /* align_power_min: minimum alignment restriction for any section
241 FIXME: this value may be target machine dependent */
244 /* Routines to byte-swap various sized integers from the data sections */
245 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
246 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
247 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
249 /* Routines to byte-swap various sized integers from the file headers */
250 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
251 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
252 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
254 /* bfd_check_format: check the format of a file being read */
255 { _bfd_dummy_target
, /* unknown format */
256 bfd_elf32_object_p
, /* assembler/linker output (object file) */
257 bfd_generic_archive_p
, /* an archive */
258 bfd_elf32_core_file_p
/* a core file */
261 /* bfd_set_format: set the format of a file being written */
264 _bfd_generic_mkarchive
,
268 /* bfd_write_contents: write cached information into a file being written */
270 bfd_elf32_write_object_contents
,
271 _bfd_write_archive_contents
,
275 /* Initialize a jump table with the standard macro. All names start with
277 JUMP_TABLE(bfd_elf32
),