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_seclet_link bfd_generic_seclet_link
51 #define bfd_elf32_bfd_make_debug_symbol \
52 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
54 #ifndef elf_info_to_howto_rel
55 #define elf_info_to_howto_rel 0
58 #ifndef ELF_MAXPAGESIZE
59 #define ELF_MAXPAGESIZE 1
62 #ifndef elf_backend_symbol_processing
63 #define elf_backend_symbol_processing 0 /* elf_backend_symbol_processing */
65 #ifndef elf_backend_symbol_table_processing
66 #define elf_backend_symbol_table_processing 0 /* elf_backend_symbol_table_processing */
68 #ifndef elf_backend_section_processing
69 #define elf_backend_section_processing 0 /* elf_backend_section_processing */
71 #ifndef elf_backend_section_from_shdr
72 #define elf_backend_section_from_shdr 0 /* elf_backend_section_from_shdr */
74 #ifndef elf_backend_fake_sections
75 #define elf_backend_fake_sections 0 /* elf_backend_fake_sections */
77 #ifndef elf_backend_section_from_bfd_section
78 #define elf_backend_section_from_bfd_section 0 /* elf_backend_section_from_bfd_section */
81 static CONST struct elf_backend_data elf32_bed =
90 elf_info_to_howto, /* elf_info_to_howto */
91 elf_info_to_howto_rel, /* elf_info_to_howto_rel */
92 ELF_MAXPAGESIZE, /* maxpagesize */
93 bfd_elf32__write_relocs, /* write_relocs */
94 elf_backend_symbol_processing, /* elf_backend_symbol_processing */
95 elf_backend_symbol_table_processing, /* elf_backend_symbol_table_processing */
96 elf_backend_section_processing, /* elf_backend_section_processing */
97 elf_backend_section_from_shdr, /* elf_backend_section_from_shdr */
98 elf_backend_fake_sections, /* elf_backend_fake_sections */
99 elf_backend_section_from_bfd_section, /* elf_backend_section_from_bfd_section */
102 #ifdef TARGET_BIG_SYM
103 bfd_target TARGET_BIG_SYM =
105 /* name: identify kind of target */
108 /* flavour: general indication about file */
109 bfd_target_elf_flavour,
111 /* byteorder_big_p: data is big endian */
114 /* header_byteorder_big_p: header is also big endian */
117 /* object_flags: mask of all file flags */
118 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
121 /* section_flags: mask of all section flags */
122 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
123 SEC_CODE | SEC_DATA),
125 /* leading_symbol_char: is the first char of a user symbol
126 predictable, and if so what is it */
129 /* ar_pad_char: pad character for filenames within an archive header
130 FIXME: this really has nothing to do with ELF, this is a characteristic
131 of the archiver and/or os and should be independently tunable */
134 /* ar_max_namelen: maximum number of characters in an archive header
135 FIXME: this really has nothing to do with ELF, this is a characteristic
136 of the archiver and should be independently tunable. This value is
137 a WAG (wild a** guess) */
140 /* align_power_min: minimum alignment restriction for any section
141 FIXME: this value may be target machine dependent */
144 /* Routines to byte-swap various sized integers from the data sections */
145 _do_getb64, _do_getb_signed_64, _do_putb64,
146 _do_getb32, _do_getb_signed_32, _do_putb32,
147 _do_getb16, _do_getb_signed_16, _do_putb16,
149 /* Routines to byte-swap various sized integers from the file headers */
150 _do_getb64, _do_getb_signed_64, _do_putb64,
151 _do_getb32, _do_getb_signed_32, _do_putb32,
152 _do_getb16, _do_getb_signed_16, _do_putb16,
154 /* bfd_check_format: check the format of a file being read */
155 { _bfd_dummy_target, /* unknown format */
156 bfd_elf32_object_p, /* assembler/linker output (object file) */
157 bfd_generic_archive_p, /* an archive */
158 bfd_elf32_core_file_p /* a core file */
161 /* bfd_set_format: set the format of a file being written */
164 _bfd_generic_mkarchive,
168 /* bfd_write_contents: write cached information into a file being written */
170 bfd_elf32_write_object_contents,
171 _bfd_write_archive_contents,
175 /* Initialize a jump table with the standard macro. All names start with
177 JUMP_TABLE(bfd_elf32),
184 #ifdef TARGET_LITTLE_SYM
185 bfd_target TARGET_LITTLE_SYM =
187 /* name: identify kind of target */
190 /* flavour: general indication about file */
191 bfd_target_elf_flavour,
193 /* byteorder_big_p: data is big endian */
194 false, /* Nope -- this one's little endian */
196 /* header_byteorder_big_p: header is also big endian */
197 false, /* Nope -- this one's little endian */
199 /* object_flags: mask of all file flags */
200 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
203 /* section_flags: mask of all section flags */
204 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
207 /* leading_symbol_char: is the first char of a user symbol
208 predictable, and if so what is it */
211 /* ar_pad_char: pad character for filenames within an archive header
212 FIXME: this really has nothing to do with ELF, this is a characteristic
213 of the archiver and/or os and should be independently tunable */
216 /* ar_max_namelen: maximum number of characters in an archive header
217 FIXME: this really has nothing to do with ELF, this is a characteristic
218 of the archiver and should be independently tunable. This value is
219 a WAG (wild a** guess) */
222 /* align_power_min: minimum alignment restriction for any section
223 FIXME: this value may be target machine dependent */
226 /* Routines to byte-swap various sized integers from the data sections */
227 _do_getl64, _do_getl_signed_64, _do_putl64,
228 _do_getl32, _do_getl_signed_32, _do_putl32,
229 _do_getl16, _do_getl_signed_16, _do_putl16,
231 /* Routines to byte-swap various sized integers from the file headers */
232 _do_getl64, _do_getl_signed_64, _do_putl64,
233 _do_getl32, _do_getl_signed_32, _do_putl32,
234 _do_getl16, _do_getl_signed_16, _do_putl16,
236 /* bfd_check_format: check the format of a file being read */
237 { _bfd_dummy_target, /* unknown format */
238 bfd_elf32_object_p, /* assembler/linker output (object file) */
239 bfd_generic_archive_p, /* an archive */
240 bfd_elf32_core_file_p /* a core file */
243 /* bfd_set_format: set the format of a file being written */
246 _bfd_generic_mkarchive,
250 /* bfd_write_contents: write cached information into a file being written */
252 bfd_elf32_write_object_contents,
253 _bfd_write_archive_contents,
257 /* Initialize a jump table with the standard macro. All names start with
259 JUMP_TABLE(bfd_elf32),