1/* Mach-O support for BFD. 2 Copyright (C) 1999-2022 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 108static 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 119const 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 TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */ 140 141#if TARGET_BIG_ENDIAN 142 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 143 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 144 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ 145 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 146 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 147 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */ 148#else 149 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 150 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 151 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ 152 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 153 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 154 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ 155#endif /* TARGET_BIG_ENDIAN */ 156 157 { /* bfd_check_format. */ 158#if TARGET_ARCHIVE 159 _bfd_dummy_target, 160 _bfd_dummy_target, 161 bfd_mach_o_archive_p, 162 _bfd_dummy_target, 163#else 164 _bfd_dummy_target, 165 bfd_mach_o_object_p, 166 bfd_generic_archive_p, 167 bfd_mach_o_core_p 168#endif 169 }, 170 { /* bfd_set_format. */ 171 _bfd_bool_bfd_false_error, 172 bfd_mach_o_mkobject, 173 _bfd_generic_mkarchive, 174 bfd_mach_o_mkobject, 175 }, 176 { /* bfd_write_contents. */ 177 _bfd_bool_bfd_false_error, 178 bfd_mach_o_write_contents, 179 _bfd_write_archive_contents, 180 bfd_mach_o_write_contents, 181 }, 182 183 BFD_JUMP_TABLE_GENERIC (bfd_mach_o), 184 BFD_JUMP_TABLE_COPY (bfd_mach_o), 185 BFD_JUMP_TABLE_CORE (bfd_mach_o), 186#if TARGET_ARCHIVE 187 BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o), 188#else 189 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44), 190#endif 191 BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o), 192 BFD_JUMP_TABLE_RELOCS (bfd_mach_o), 193 BFD_JUMP_TABLE_WRITE (bfd_mach_o), 194 BFD_JUMP_TABLE_LINK (bfd_mach_o), 195 BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o), 196 197 /* Alternative endian target. */ 198 NULL, 199 200 /* Back-end data. */ 201 &TARGET_NAME_BACKEND 202}; 203 204