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 elf_slurp_armap
30 #define elf_slurp_armap bfd_slurp_coff_armap
32 #define elf_slurp_extended_name_table _bfd_slurp_extended_name_table
33 #define elf_truncate_arname bfd_dont_truncate_arname
34 #define elf_openr_next_archived_file bfd_generic_openr_next_archived_file
35 #define elf_generic_stat_arch_elt bfd_generic_stat_arch_elt
36 #ifndef elf_write_armap
37 #define elf_write_armap coff_write_armap
40 /* Ordinary section reading and writing */
41 #define elf_new_section_hook _bfd_dummy_new_section_hook
42 #define elf_get_section_contents bfd_generic_get_section_contents
43 /* #define elf_set_section_contents bfd_generic_set_section_contents */
44 #define elf_close_and_cleanup bfd_generic_close_and_cleanup
46 #define elf_bfd_debug_info_start bfd_void
47 #define elf_bfd_debug_info_end bfd_void
48 #define elf_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
49 #define elf_bfd_get_relocated_section_contents \
50 bfd_generic_get_relocated_section_contents
51 #define elf_bfd_relax_section bfd_generic_relax_section
52 #define elf_bfd_seclet_link bfd_generic_seclet_link
53 #define elf_bfd_make_debug_symbol \
54 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
56 static CONST struct elf_backend_data elf_bed =
63 bfd_target TARGET_BIG_SYM =
65 /* name: identify kind of target */
68 /* flavour: general indication about file */
69 bfd_target_elf_flavour,
71 /* byteorder_big_p: data is big endian */
74 /* header_byteorder_big_p: header is also big endian */
77 /* object_flags: mask of all file flags */
78 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
81 /* section_flags: mask of all section flags */
82 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
85 /* leading_symbol_char: is the first char of a user symbol
86 predictable, and if so what is it */
89 /* ar_pad_char: pad character for filenames within an archive header
90 FIXME: this really has nothing to do with ELF, this is a characteristic
91 of the archiver and/or os and should be independently tunable */
94 /* ar_max_namelen: maximum number of characters in an archive header
95 FIXME: this really has nothing to do with ELF, this is a characteristic
96 of the archiver and should be independently tunable. This value is
97 a WAG (wild a** guess) */
100 /* align_power_min: minimum alignment restriction for any section
101 FIXME: this value may be target machine dependent */
104 /* Routines to byte-swap various sized integers from the data sections */
105 _do_getb64, _do_getb_signed_64, _do_putb64,
106 _do_getb32, _do_getb_signed_32, _do_putb32,
107 _do_getb16, _do_getb_signed_16, _do_putb16,
109 /* Routines to byte-swap various sized integers from the file headers */
110 _do_getb64, _do_getb_signed_64, _do_putb64,
111 _do_getb32, _do_getb_signed_32, _do_putb32,
112 _do_getb16, _do_getb_signed_16, _do_putb16,
114 /* bfd_check_format: check the format of a file being read */
115 { _bfd_dummy_target, /* unknown format */
116 elf_object_p, /* assembler/linker output (object file) */
117 bfd_generic_archive_p, /* an archive */
118 elf_core_file_p /* a core file */
121 /* bfd_set_format: set the format of a file being written */
124 _bfd_generic_mkarchive,
128 /* bfd_write_contents: write cached information into a file being written */
130 elf_write_object_contents,
131 _bfd_write_archive_contents,
135 /* Initialize a jump table with the standard macro. All names start with
144 #ifdef TARGET_LITTLE_SYM
145 bfd_target TARGET_LITTLE_SYM =
147 /* name: identify kind of target */
150 /* flavour: general indication about file */
151 bfd_target_elf_flavour,
153 /* byteorder_big_p: data is big endian */
154 false, /* Nope -- this one's little endian */
156 /* header_byteorder_big_p: header is also big endian */
157 false, /* Nope -- this one's little endian */
159 /* object_flags: mask of all file flags */
160 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
163 /* section_flags: mask of all section flags */
164 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
167 /* leading_symbol_char: is the first char of a user symbol
168 predictable, and if so what is it */
171 /* ar_pad_char: pad character for filenames within an archive header
172 FIXME: this really has nothing to do with ELF, this is a characteristic
173 of the archiver and/or os and should be independently tunable */
176 /* ar_max_namelen: maximum number of characters in an archive header
177 FIXME: this really has nothing to do with ELF, this is a characteristic
178 of the archiver and should be independently tunable. This value is
179 a WAG (wild a** guess) */
182 /* align_power_min: minimum alignment restriction for any section
183 FIXME: this value may be target machine dependent */
186 /* Routines to byte-swap various sized integers from the data sections */
187 _do_getl64, _do_getl_signed_64, _do_putl64,
188 _do_getl32, _do_getl_signed_32, _do_putl32,
189 _do_getl16, _do_getl_signed_16, _do_putl16,
191 /* Routines to byte-swap various sized integers from the file headers */
192 _do_getl64, _do_getl_signed_64, _do_putl64,
193 _do_getl32, _do_getl_signed_32, _do_putl32,
194 _do_getl16, _do_getl_signed_16, _do_putl16,
196 /* bfd_check_format: check the format of a file being read */
197 { _bfd_dummy_target, /* unknown format */
198 elf_object_p, /* assembler/linker output (object file) */
199 bfd_generic_archive_p, /* an archive */
200 elf_core_file_p /* a core file */
203 /* bfd_set_format: set the format of a file being written */
206 _bfd_generic_mkarchive,
210 /* bfd_write_contents: write cached information into a file being written */
212 elf_write_object_contents,
213 _bfd_write_archive_contents,
217 /* Initialize a jump table with the standard macro. All names start with