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1 | /* Mach-O support for BFD. | |
2 | Copyright (C) 1999-2020 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 3 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., 51 Franklin Street - Fifth Floor, Boston, | |
19 | MA 02110-1301, USA. */ | |
20 | ||
21 | /* Define generic entry points here so that we don't need to duplicate the | |
22 | defines in every target. But define once as this file may be included | |
23 | several times. */ | |
24 | #ifndef MACH_O_TARGET_COMMON_DEFINED | |
25 | #define MACH_O_TARGET_COMMON_DEFINED | |
26 | ||
27 | #define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
28 | #define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
29 | #define bfd_mach_o_bfd_print_private_bfd_data bfd_mach_o_bfd_print_private_bfd_data | |
30 | #define bfd_mach_o_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false | |
31 | #define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name | |
32 | #define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno | |
33 | #define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info | |
34 | #define bfd_mach_o_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string | |
35 | #define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
36 | #define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols | |
37 | #define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
38 | #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
39 | #define bfd_mach_o_bfd_relax_section bfd_generic_relax_section | |
40 | #define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
41 | #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
42 | #define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms | |
43 | #define bfd_mach_o_bfd_copy_link_hash_symbol_type \ | |
44 | _bfd_generic_copy_link_hash_symbol_type | |
45 | #define bfd_mach_o_bfd_final_link _bfd_generic_final_link | |
46 | #define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section | |
47 | #define bfd_mach_o_bfd_link_check_relocs _bfd_generic_link_check_relocs | |
48 | #define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data | |
49 | #define bfd_mach_o_bfd_set_private_flags bfd_mach_o_bfd_set_private_flags | |
50 | #define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents | |
51 | #define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections | |
52 | #define bfd_mach_o_bfd_lookup_section_flags bfd_generic_lookup_section_flags | |
53 | #define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections | |
54 | #define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section | |
55 | #define bfd_mach_o_bfd_group_name bfd_generic_group_name | |
56 | #define bfd_mach_o_bfd_discard_group bfd_generic_discard_group | |
57 | #define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked | |
58 | #define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol | |
59 | #define bfd_mach_o_bfd_link_hide_symbol _bfd_generic_link_hide_symbol | |
60 | #define bfd_mach_o_bfd_define_start_stop bfd_generic_define_start_stop | |
61 | #define bfd_mach_o_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data | |
62 | #define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p | |
63 | #define bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid | |
64 | #define bfd_mach_o_set_reloc _bfd_generic_set_reloc | |
65 | ||
66 | #define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound | |
67 | #define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab | |
68 | ||
69 | /* For Mach-O special archives. */ | |
70 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
71 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
72 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
73 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
74 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
75 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
76 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
77 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
78 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp | |
79 | ||
80 | #define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend) | |
81 | ||
82 | #endif /* MACH_O_TARGET_COMMON_DEFINED */ | |
83 | ||
84 | #ifndef TARGET_NAME | |
85 | #error TARGET_NAME must be defined | |
86 | #endif /* TARGET_NAME */ | |
87 | ||
88 | #ifndef TARGET_STRING | |
89 | #error TARGET_STRING must be defined | |
90 | #endif /* TARGET_STRING */ | |
91 | ||
92 | #ifndef TARGET_ARCHITECTURE | |
93 | #error TARGET_ARCHITECTURE must be defined | |
94 | #endif /* TARGET_ARCHITECTURE */ | |
95 | ||
96 | #ifndef TARGET_BIG_ENDIAN | |
97 | #error TARGET_BIG_ENDIAN must be defined | |
98 | #endif /* TARGET_BIG_ENDIAN */ | |
99 | ||
100 | #ifndef TARGET_ARCHIVE | |
101 | #error TARGET_ARCHIVE must be defined | |
102 | #endif /* TARGET_ARCHIVE */ | |
103 | ||
104 | #ifndef TARGET_PAGESIZE | |
105 | #error TARGET_PAGESIZE must be defined | |
106 | #endif | |
107 | ||
108 | static const bfd_mach_o_backend_data TARGET_NAME_BACKEND = | |
109 | { | |
110 | TARGET_ARCHITECTURE, | |
111 | TARGET_PAGESIZE, | |
112 | bfd_mach_o_canonicalize_one_reloc, | |
113 | bfd_mach_o_swap_reloc_out, | |
114 | bfd_mach_o_print_thread, | |
115 | bfd_mach_o_tgt_seg_table, | |
116 | bfd_mach_o_section_type_valid_for_tgt | |
117 | }; | |
118 | ||
119 | const bfd_target TARGET_NAME = | |
120 | { | |
121 | TARGET_STRING, /* Name. */ | |
122 | bfd_target_mach_o_flavour, | |
123 | #if TARGET_BIG_ENDIAN | |
124 | BFD_ENDIAN_BIG, /* Target byte order. */ | |
125 | BFD_ENDIAN_BIG, /* Target headers byte order. */ | |
126 | #else | |
127 | BFD_ENDIAN_LITTLE, /* Target byte order. */ | |
128 | BFD_ENDIAN_LITTLE, /* Target headers byte order. */ | |
129 | #endif | |
130 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
131 | HAS_LINENO | HAS_DEBUG | | |
132 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
133 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | |
134 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ | |
135 | '_', /* symbol_leading_char. */ | |
136 | ' ', /* ar_pad_char. */ | |
137 | 16, /* ar_max_namelen. */ | |
138 | TARGET_PRIORITY, /* match priority. */ | |
139 | ||
140 | #if TARGET_BIG_ENDIAN | |
141 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
142 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
143 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ | |
144 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
145 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
146 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */ | |
147 | #else | |
148 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
149 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
150 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
151 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
152 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
153 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
154 | #endif /* TARGET_BIG_ENDIAN */ | |
155 | ||
156 | { /* bfd_check_format. */ | |
157 | #if TARGET_ARCHIVE | |
158 | _bfd_dummy_target, | |
159 | _bfd_dummy_target, | |
160 | bfd_mach_o_archive_p, | |
161 | _bfd_dummy_target, | |
162 | #else | |
163 | _bfd_dummy_target, | |
164 | bfd_mach_o_object_p, | |
165 | bfd_generic_archive_p, | |
166 | bfd_mach_o_core_p | |
167 | #endif | |
168 | }, | |
169 | { /* bfd_set_format. */ | |
170 | _bfd_bool_bfd_false_error, | |
171 | bfd_mach_o_mkobject, | |
172 | _bfd_generic_mkarchive, | |
173 | bfd_mach_o_mkobject, | |
174 | }, | |
175 | { /* bfd_write_contents. */ | |
176 | _bfd_bool_bfd_false_error, | |
177 | bfd_mach_o_write_contents, | |
178 | _bfd_write_archive_contents, | |
179 | bfd_mach_o_write_contents, | |
180 | }, | |
181 | ||
182 | BFD_JUMP_TABLE_GENERIC (bfd_mach_o), | |
183 | BFD_JUMP_TABLE_COPY (bfd_mach_o), | |
184 | BFD_JUMP_TABLE_CORE (bfd_mach_o), | |
185 | #if TARGET_ARCHIVE | |
186 | BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o), | |
187 | #else | |
188 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44), | |
189 | #endif | |
190 | BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o), | |
191 | BFD_JUMP_TABLE_RELOCS (bfd_mach_o), | |
192 | BFD_JUMP_TABLE_WRITE (bfd_mach_o), | |
193 | BFD_JUMP_TABLE_LINK (bfd_mach_o), | |
194 | BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o), | |
195 | ||
196 | /* Alternative endian target. */ | |
197 | NULL, | |
198 | ||
199 | /* Back-end data. */ | |
200 | &TARGET_NAME_BACKEND | |
201 | }; | |
202 |