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 elf32_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 */
72 bfd_target TARGET_BIG_SYM
=
74 /* name: identify kind of target */
77 /* flavour: general indication about file */
78 bfd_target_elf_flavour
,
80 /* byteorder_big_p: data is big endian */
83 /* header_byteorder_big_p: header is also big endian */
86 /* object_flags: mask of all file flags */
87 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
90 /* section_flags: mask of all section flags */
91 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
94 /* leading_symbol_char: is the first char of a user symbol
95 predictable, and if so what is it */
98 /* ar_pad_char: pad character for filenames within an archive header
99 FIXME: this really has nothing to do with ELF, this is a characteristic
100 of the archiver and/or os and should be independently tunable */
103 /* ar_max_namelen: maximum number of characters in an archive header
104 FIXME: this really has nothing to do with ELF, this is a characteristic
105 of the archiver and should be independently tunable. This value is
106 a WAG (wild a** guess) */
109 /* align_power_min: minimum alignment restriction for any section
110 FIXME: this value may be target machine dependent */
113 /* Routines to byte-swap various sized integers from the data sections */
114 _do_getb64
, _do_getb_signed_64
, _do_putb64
,
115 _do_getb32
, _do_getb_signed_32
, _do_putb32
,
116 _do_getb16
, _do_getb_signed_16
, _do_putb16
,
118 /* Routines to byte-swap various sized integers from the file headers */
119 _do_getb64
, _do_getb_signed_64
, _do_putb64
,
120 _do_getb32
, _do_getb_signed_32
, _do_putb32
,
121 _do_getb16
, _do_getb_signed_16
, _do_putb16
,
123 /* bfd_check_format: check the format of a file being read */
124 { _bfd_dummy_target
, /* unknown format */
125 bfd_elf32_object_p
, /* assembler/linker output (object file) */
126 bfd_generic_archive_p
, /* an archive */
127 bfd_elf32_core_file_p
/* a core file */
130 /* bfd_set_format: set the format of a file being written */
133 _bfd_generic_mkarchive
,
137 /* bfd_write_contents: write cached information into a file being written */
139 bfd_elf32_write_object_contents
,
140 _bfd_write_archive_contents
,
144 /* Initialize a jump table with the standard macro. All names start with
146 JUMP_TABLE(bfd_elf32
),
153 #ifdef TARGET_LITTLE_SYM
154 bfd_target TARGET_LITTLE_SYM
=
156 /* name: identify kind of target */
159 /* flavour: general indication about file */
160 bfd_target_elf_flavour
,
162 /* byteorder_big_p: data is big endian */
163 false, /* Nope -- this one's little endian */
165 /* header_byteorder_big_p: header is also big endian */
166 false, /* Nope -- this one's little endian */
168 /* object_flags: mask of all file flags */
169 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
|
172 /* section_flags: mask of all section flags */
173 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
|
176 /* leading_symbol_char: is the first char of a user symbol
177 predictable, and if so what is it */
180 /* ar_pad_char: pad character for filenames within an archive header
181 FIXME: this really has nothing to do with ELF, this is a characteristic
182 of the archiver and/or os and should be independently tunable */
185 /* ar_max_namelen: maximum number of characters in an archive header
186 FIXME: this really has nothing to do with ELF, this is a characteristic
187 of the archiver and should be independently tunable. This value is
188 a WAG (wild a** guess) */
191 /* align_power_min: minimum alignment restriction for any section
192 FIXME: this value may be target machine dependent */
195 /* Routines to byte-swap various sized integers from the data sections */
196 _do_getl64
, _do_getl_signed_64
, _do_putl64
,
197 _do_getl32
, _do_getl_signed_32
, _do_putl32
,
198 _do_getl16
, _do_getl_signed_16
, _do_putl16
,
200 /* Routines to byte-swap various sized integers from the file headers */
201 _do_getl64
, _do_getl_signed_64
, _do_putl64
,
202 _do_getl32
, _do_getl_signed_32
, _do_putl32
,
203 _do_getl16
, _do_getl_signed_16
, _do_putl16
,
205 /* bfd_check_format: check the format of a file being read */
206 { _bfd_dummy_target
, /* unknown format */
207 bfd_elf32_object_p
, /* assembler/linker output (object file) */
208 bfd_generic_archive_p
, /* an archive */
209 bfd_elf32_core_file_p
/* a core file */
212 /* bfd_set_format: set the format of a file being written */
215 _bfd_generic_mkarchive
,
219 /* bfd_write_contents: write cached information into a file being written */
221 bfd_elf32_write_object_contents
,
222 _bfd_write_archive_contents
,
226 /* Initialize a jump table with the standard macro. All names start with
228 JUMP_TABLE(bfd_elf32
),