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_symbol_processing
65 #define elf_backend_symbol_processing 0 /* elf_backend_symbol_processing */
67 #ifndef elf_backend_symbol_table_processing
68 #define elf_backend_symbol_table_processing 0 /* elf_backend_symbol_table_processing */
70 #ifndef elf_backend_section_processing
71 #define elf_backend_section_processing 0 /* elf_backend_section_processing */
73 #ifndef elf_backend_section_from_shdr
74 #define elf_backend_section_from_shdr 0 /* elf_backend_section_from_shdr */
76 #ifndef elf_backend_fake_sections
77 #define elf_backend_fake_sections 0 /* elf_backend_fake_sections */
79 #ifndef elf_backend_section_from_bfd_section
80 #define elf_backend_section_from_bfd_section 0 /* elf_backend_section_from_bfd_section */
82 #ifndef elf_backend_ecoff_debug_swap
83 #define elf_backend_ecoff_debug_swap 0 /* elf_backed_ecoff_debug_swap */
86 static CONST struct elf_backend_data elf32_bed =
95 ELF_MAXPAGESIZE, /* maxpagesize */
96 elf_info_to_howto, /* elf_info_to_howto */
97 elf_info_to_howto_rel, /* elf_info_to_howto_rel */
98 elf_backend_symbol_processing, /* elf_backend_symbol_processing */
99 elf_backend_symbol_table_processing, /* elf_backend_symbol_table_processing */
100 elf_backend_section_processing, /* elf_backend_section_processing */
101 elf_backend_section_from_shdr, /* elf_backend_section_from_shdr */
102 elf_backend_fake_sections, /* elf_backend_fake_sections */
103 elf_backend_section_from_bfd_section, /* elf_backend_section_from_bfd_section */
104 elf_backend_ecoff_debug_swap /* elf_backend_ecoff_debug_swap */
107 #ifdef TARGET_BIG_SYM
108 bfd_target TARGET_BIG_SYM =
110 /* name: identify kind of target */
113 /* flavour: general indication about file */
114 bfd_target_elf_flavour,
116 /* byteorder_big_p: data is big endian */
119 /* header_byteorder_big_p: header is also big endian */
122 /* object_flags: mask of all file flags */
123 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
126 /* section_flags: mask of all section flags */
127 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
128 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
130 /* leading_symbol_char: is the first char of a user symbol
131 predictable, and if so what is it */
134 /* ar_pad_char: pad character for filenames within an archive header
135 FIXME: this really has nothing to do with ELF, this is a characteristic
136 of the archiver and/or os and should be independently tunable */
139 /* ar_max_namelen: maximum number of characters in an archive header
140 FIXME: this really has nothing to do with ELF, this is a characteristic
141 of the archiver and should be independently tunable. This value is
142 a WAG (wild a** guess) */
145 /* align_power_min: minimum alignment restriction for any section
146 FIXME: this value may be target machine dependent */
149 /* Routines to byte-swap various sized integers from the data sections */
150 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
151 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
152 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
154 /* Routines to byte-swap various sized integers from the file headers */
155 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
156 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
157 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
159 /* bfd_check_format: check the format of a file being read */
160 { _bfd_dummy_target, /* unknown format */
161 bfd_elf32_object_p, /* assembler/linker output (object file) */
162 bfd_generic_archive_p, /* an archive */
163 bfd_elf32_core_file_p /* a core file */
166 /* bfd_set_format: set the format of a file being written */
169 _bfd_generic_mkarchive,
173 /* bfd_write_contents: write cached information into a file being written */
175 bfd_elf32_write_object_contents,
176 _bfd_write_archive_contents,
180 /* Initialize a jump table with the standard macro. All names start with
182 JUMP_TABLE(bfd_elf32),
189 #ifdef TARGET_LITTLE_SYM
190 bfd_target TARGET_LITTLE_SYM =
192 /* name: identify kind of target */
195 /* flavour: general indication about file */
196 bfd_target_elf_flavour,
198 /* byteorder_big_p: data is big endian */
199 false, /* Nope -- this one's little endian */
201 /* header_byteorder_big_p: header is also big endian */
202 false, /* Nope -- this one's little endian */
204 /* object_flags: mask of all file flags */
205 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
208 /* section_flags: mask of all section flags */
209 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
210 SEC_CODE | SEC_DATA | SEC_DEBUGGING),
212 /* leading_symbol_char: is the first char of a user symbol
213 predictable, and if so what is it */
216 /* ar_pad_char: pad character for filenames within an archive header
217 FIXME: this really has nothing to do with ELF, this is a characteristic
218 of the archiver and/or os and should be independently tunable */
221 /* ar_max_namelen: maximum number of characters in an archive header
222 FIXME: this really has nothing to do with ELF, this is a characteristic
223 of the archiver and should be independently tunable. This value is
224 a WAG (wild a** guess) */
227 /* align_power_min: minimum alignment restriction for any section
228 FIXME: this value may be target machine dependent */
231 /* Routines to byte-swap various sized integers from the data sections */
232 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
233 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
234 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
236 /* Routines to byte-swap various sized integers from the file headers */
237 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
238 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
239 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
241 /* bfd_check_format: check the format of a file being read */
242 { _bfd_dummy_target, /* unknown format */
243 bfd_elf32_object_p, /* assembler/linker output (object file) */
244 bfd_generic_archive_p, /* an archive */
245 bfd_elf32_core_file_p /* a core file */
248 /* bfd_set_format: set the format of a file being written */
251 _bfd_generic_mkarchive,
255 /* bfd_write_contents: write cached information into a file being written */
257 bfd_elf32_write_object_contents,
258 _bfd_write_archive_contents,
262 /* Initialize a jump table with the standard macro. All names start with
264 JUMP_TABLE(bfd_elf32),