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81187b54 KR |
1 | /* Target definitions for 32-bit ELF |
2 | Copyright 1993 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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. */ | |
19 | ||
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. | |
24 | ||
25 | There are two such structures here: one for big-endian machines and | |
26 | one for little-endian machines. */ | |
27 | ||
28 | /* Archives are generic or unimplemented. */ | |
29 | #define elf_slurp_armap bfd_slurp_coff_armap | |
30 | #define elf_slurp_extended_name_table _bfd_slurp_extended_name_table | |
31 | #define elf_truncate_arname bfd_dont_truncate_arname | |
32 | #define elf_openr_next_archived_file bfd_generic_openr_next_archived_file | |
33 | #define elf_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
34 | #define elf_write_armap coff_write_armap | |
35 | ||
36 | /* Ordinary section reading and writing */ | |
37 | #define elf_new_section_hook _bfd_dummy_new_section_hook | |
38 | #define elf_get_section_contents bfd_generic_get_section_contents | |
39 | /* #define elf_set_section_contents bfd_generic_set_section_contents */ | |
40 | #define elf_close_and_cleanup bfd_generic_close_and_cleanup | |
41 | ||
42 | #define elf_bfd_debug_info_start bfd_void | |
43 | #define elf_bfd_debug_info_end bfd_void | |
44 | #define elf_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void | |
45 | #define elf_bfd_get_relocated_section_contents \ | |
46 | bfd_generic_get_relocated_section_contents | |
47 | #define elf_bfd_relax_section bfd_generic_relax_section | |
48 | #define elf_bfd_seclet_link bfd_generic_seclet_link | |
49 | #define elf_bfd_make_debug_symbol \ | |
50 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) | |
51 | ||
52 | static CONST struct elf_backend_data elf_bed = | |
53 | { | |
54 | elf_info_to_howto, | |
55 | ELF_ARCH, | |
56 | }; | |
57 | ||
58 | #ifdef TARGET_BIG_SYM | |
59 | bfd_target TARGET_BIG_SYM = | |
60 | { | |
61 | /* name: identify kind of target */ | |
62 | TARGET_BIG_NAME, | |
63 | ||
64 | /* flavour: general indication about file */ | |
65 | bfd_target_elf_flavour, | |
66 | ||
67 | /* byteorder_big_p: data is big endian */ | |
68 | true, | |
69 | ||
70 | /* header_byteorder_big_p: header is also big endian */ | |
71 | true, | |
72 | ||
73 | /* object_flags: mask of all file flags */ | |
74 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
75 | DYNAMIC | WP_TEXT), | |
76 | ||
77 | /* section_flags: mask of all section flags */ | |
78 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
79 | SEC_CODE | SEC_DATA), | |
80 | ||
81 | /* leading_symbol_char: is the first char of a user symbol | |
82 | predictable, and if so what is it */ | |
83 | 0, | |
84 | ||
85 | /* ar_pad_char: pad character for filenames within an archive header | |
86 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
87 | of the archiver and/or os and should be independently tunable */ | |
88 | '/', | |
89 | ||
90 | /* ar_max_namelen: maximum number of characters in an archive header | |
91 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
92 | of the archiver and should be independently tunable. This value is | |
93 | a WAG (wild a** guess) */ | |
94 | 15, | |
95 | ||
96 | /* align_power_min: minimum alignment restriction for any section | |
97 | FIXME: this value may be target machine dependent */ | |
98 | 3, | |
99 | ||
100 | /* Routines to byte-swap various sized integers from the data sections */ | |
14e3c2e4 JK |
101 | _do_getb64, _do_getb_signed_64, _do_putb64, |
102 | _do_getb32, _do_getb_signed_32, _do_putb32, | |
103 | _do_getb16, _do_getb_signed_16, _do_putb16, | |
81187b54 KR |
104 | |
105 | /* Routines to byte-swap various sized integers from the file headers */ | |
14e3c2e4 JK |
106 | _do_getb64, _do_getb_signed_64, _do_putb64, |
107 | _do_getb32, _do_getb_signed_32, _do_putb32, | |
108 | _do_getb16, _do_getb_signed_16, _do_putb16, | |
81187b54 KR |
109 | |
110 | /* bfd_check_format: check the format of a file being read */ | |
111 | { _bfd_dummy_target, /* unknown format */ | |
112 | elf_object_p, /* assembler/linker output (object file) */ | |
113 | bfd_generic_archive_p, /* an archive */ | |
114 | elf_core_file_p /* a core file */ | |
115 | }, | |
116 | ||
117 | /* bfd_set_format: set the format of a file being written */ | |
118 | { bfd_false, | |
119 | elf_mkobject, | |
120 | _bfd_generic_mkarchive, | |
121 | bfd_false | |
122 | }, | |
123 | ||
124 | /* bfd_write_contents: write cached information into a file being written */ | |
125 | { bfd_false, | |
126 | elf_write_object_contents, | |
127 | _bfd_write_archive_contents, | |
128 | bfd_false | |
129 | }, | |
130 | ||
131 | /* Initialize a jump table with the standard macro. All names start with | |
132 | "elf" */ | |
133 | JUMP_TABLE(elf), | |
134 | ||
135 | /* backend_data: */ | |
136 | (PTR) &elf_bed, | |
137 | }; | |
138 | #endif | |
139 | ||
140 | #ifdef TARGET_LITTLE_SYM | |
141 | bfd_target TARGET_LITTLE_SYM = | |
142 | { | |
143 | /* name: identify kind of target */ | |
144 | TARGET_LITTLE_NAME, | |
145 | ||
146 | /* flavour: general indication about file */ | |
147 | bfd_target_elf_flavour, | |
148 | ||
149 | /* byteorder_big_p: data is big endian */ | |
150 | false, /* Nope -- this one's little endian */ | |
151 | ||
152 | /* header_byteorder_big_p: header is also big endian */ | |
153 | false, /* Nope -- this one's little endian */ | |
154 | ||
155 | /* object_flags: mask of all file flags */ | |
156 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | | |
157 | DYNAMIC | WP_TEXT), | |
158 | ||
159 | /* section_flags: mask of all section flags */ | |
160 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | | |
161 | SEC_DATA), | |
162 | ||
163 | /* leading_symbol_char: is the first char of a user symbol | |
164 | predictable, and if so what is it */ | |
165 | 0, | |
166 | ||
167 | /* ar_pad_char: pad character for filenames within an archive header | |
168 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
169 | of the archiver and/or os and should be independently tunable */ | |
170 | '/', | |
171 | ||
172 | /* ar_max_namelen: maximum number of characters in an archive header | |
173 | FIXME: this really has nothing to do with ELF, this is a characteristic | |
174 | of the archiver and should be independently tunable. This value is | |
175 | a WAG (wild a** guess) */ | |
176 | 15, | |
177 | ||
178 | /* align_power_min: minimum alignment restriction for any section | |
179 | FIXME: this value may be target machine dependent */ | |
180 | 3, | |
181 | ||
182 | /* Routines to byte-swap various sized integers from the data sections */ | |
14e3c2e4 JK |
183 | _do_getl64, _do_getl_signed_64, _do_putl64, |
184 | _do_getl32, _do_getl_signed_32, _do_putl32, | |
185 | _do_getl16, _do_getl_signed_16, _do_putl16, | |
81187b54 KR |
186 | |
187 | /* Routines to byte-swap various sized integers from the file headers */ | |
14e3c2e4 JK |
188 | _do_getl64, _do_getl_signed_64, _do_putl64, |
189 | _do_getl32, _do_getl_signed_32, _do_putl32, | |
190 | _do_getl16, _do_getl_signed_16, _do_putl16, | |
81187b54 KR |
191 | |
192 | /* bfd_check_format: check the format of a file being read */ | |
193 | { _bfd_dummy_target, /* unknown format */ | |
194 | elf_object_p, /* assembler/linker output (object file) */ | |
195 | bfd_generic_archive_p, /* an archive */ | |
196 | elf_core_file_p /* a core file */ | |
197 | }, | |
198 | ||
199 | /* bfd_set_format: set the format of a file being written */ | |
200 | { bfd_false, | |
201 | elf_mkobject, | |
202 | _bfd_generic_mkarchive, | |
203 | bfd_false | |
204 | }, | |
205 | ||
206 | /* bfd_write_contents: write cached information into a file being written */ | |
207 | { bfd_false, | |
208 | elf_write_object_contents, | |
209 | _bfd_write_archive_contents, | |
210 | bfd_false | |
211 | }, | |
212 | ||
213 | /* Initialize a jump table with the standard macro. All names start with | |
214 | "elf" */ | |
215 | JUMP_TABLE(elf), | |
216 | ||
217 | /* backend_data: */ | |
218 | (PTR) &elf_bed, | |
219 | }; | |
220 | #endif |