| 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 | |