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 static CONST struct elf_backend_data elf32_bed =
63 elf_info_to_howto, /* elf_info_to_howto */
64 #ifdef elf_info_to_howto_rel
65 elf_info_to_howto_rel, /* elf_info_to_howto_rel */
67 0, /* elf_info_to_howto_rel */
69 bfd_elf32__write_relocs, /* write_relocs */
73 bfd_target TARGET_BIG_SYM =
75 /* name: identify kind of target */
78 /* flavour: general indication about file */
79 bfd_target_elf_flavour,
81 /* byteorder_big_p: data is big endian */
84 /* header_byteorder_big_p: header is also big endian */
87 /* object_flags: mask of all file flags */
88 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
91 /* section_flags: mask of all section flags */
92 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
95 /* leading_symbol_char: is the first char of a user symbol
96 predictable, and if so what is it */
99 /* ar_pad_char: pad character for filenames within an archive header
100 FIXME: this really has nothing to do with ELF, this is a characteristic
101 of the archiver and/or os and should be independently tunable */
104 /* ar_max_namelen: maximum number of characters in an archive header
105 FIXME: this really has nothing to do with ELF, this is a characteristic
106 of the archiver and should be independently tunable. This value is
107 a WAG (wild a** guess) */
110 /* align_power_min: minimum alignment restriction for any section
111 FIXME: this value may be target machine dependent */
114 /* Routines to byte-swap various sized integers from the data sections */
115 _do_getb64, _do_getb_signed_64, _do_putb64,
116 _do_getb32, _do_getb_signed_32, _do_putb32,
117 _do_getb16, _do_getb_signed_16, _do_putb16,
119 /* Routines to byte-swap various sized integers from the file headers */
120 _do_getb64, _do_getb_signed_64, _do_putb64,
121 _do_getb32, _do_getb_signed_32, _do_putb32,
122 _do_getb16, _do_getb_signed_16, _do_putb16,
124 /* bfd_check_format: check the format of a file being read */
125 { _bfd_dummy_target, /* unknown format */
126 bfd_elf32_object_p, /* assembler/linker output (object file) */
127 bfd_generic_archive_p, /* an archive */
128 bfd_elf32_core_file_p /* a core file */
131 /* bfd_set_format: set the format of a file being written */
134 _bfd_generic_mkarchive,
138 /* bfd_write_contents: write cached information into a file being written */
140 bfd_elf32_write_object_contents,
141 _bfd_write_archive_contents,
145 /* Initialize a jump table with the standard macro. All names start with
147 JUMP_TABLE(bfd_elf32),
154 #ifdef TARGET_LITTLE_SYM
155 bfd_target TARGET_LITTLE_SYM =
157 /* name: identify kind of target */
160 /* flavour: general indication about file */
161 bfd_target_elf_flavour,
163 /* byteorder_big_p: data is big endian */
164 false, /* Nope -- this one's little endian */
166 /* header_byteorder_big_p: header is also big endian */
167 false, /* Nope -- this one's little endian */
169 /* object_flags: mask of all file flags */
170 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
173 /* section_flags: mask of all section flags */
174 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
177 /* leading_symbol_char: is the first char of a user symbol
178 predictable, and if so what is it */
181 /* ar_pad_char: pad character for filenames within an archive header
182 FIXME: this really has nothing to do with ELF, this is a characteristic
183 of the archiver and/or os and should be independently tunable */
186 /* ar_max_namelen: maximum number of characters in an archive header
187 FIXME: this really has nothing to do with ELF, this is a characteristic
188 of the archiver and should be independently tunable. This value is
189 a WAG (wild a** guess) */
192 /* align_power_min: minimum alignment restriction for any section
193 FIXME: this value may be target machine dependent */
196 /* Routines to byte-swap various sized integers from the data sections */
197 _do_getl64, _do_getl_signed_64, _do_putl64,
198 _do_getl32, _do_getl_signed_32, _do_putl32,
199 _do_getl16, _do_getl_signed_16, _do_putl16,
201 /* Routines to byte-swap various sized integers from the file headers */
202 _do_getl64, _do_getl_signed_64, _do_putl64,
203 _do_getl32, _do_getl_signed_32, _do_putl32,
204 _do_getl16, _do_getl_signed_16, _do_putl16,
206 /* bfd_check_format: check the format of a file being read */
207 { _bfd_dummy_target, /* unknown format */
208 bfd_elf32_object_p, /* assembler/linker output (object file) */
209 bfd_generic_archive_p, /* an archive */
210 bfd_elf32_core_file_p /* a core file */
213 /* bfd_set_format: set the format of a file being written */
216 _bfd_generic_mkarchive,
220 /* bfd_write_contents: write cached information into a file being written */
222 bfd_elf32_write_object_contents,
223 _bfd_write_archive_contents,
227 /* Initialize a jump table with the standard macro. All names start with
229 JUMP_TABLE(bfd_elf32),