1 /* Mach-O support for BFD. 2 Copyright (C) 1999-2016 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_generic_bfd_print_private_bfd_data 30 #define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_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_discard_group bfd_generic_discard_group 56 #define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked 57 #define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol 58 #define bfd_mach_o_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data 59 #define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p 60 #define bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid 61 62 #define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound 63 #define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab 64 65 /* For Mach-O special archives. */ 66 #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr 67 #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr 68 #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap 69 #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table 70 #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table 71 #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname 72 #define bfd_mach_o_write_armap _bfd_noarchive_write_armap 73 #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index 74 #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp 75 76 #define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend) 77 78 #endif /* MACH_O_TARGET_COMMON_DEFINED */ 79 80 #ifndef TARGET_NAME 81 #error TARGET_NAME must be defined 82 #endif /* TARGET_NAME */ 83 84 #ifndef TARGET_STRING 85 #error TARGET_STRING must be defined 86 #endif /* TARGET_STRING */ 87 88 #ifndef TARGET_ARCHITECTURE 89 #error TARGET_ARCHITECTURE must be defined 90 #endif /* TARGET_ARCHITECTURE */ 91 92 #ifndef TARGET_BIG_ENDIAN 93 #error TARGET_BIG_ENDIAN must be defined 94 #endif /* TARGET_BIG_ENDIAN */ 95 96 #ifndef TARGET_ARCHIVE 97 #error TARGET_ARCHIVE must be defined 98 #endif /* TARGET_ARCHIVE */ 99 100 #ifndef TARGET_PAGESIZE 101 #error TARGET_PAGESIZE must be defined 102 #endif 103 104 static const bfd_mach_o_backend_data TARGET_NAME_BACKEND = 105 { 106 TARGET_ARCHITECTURE, 107 TARGET_PAGESIZE, 108 bfd_mach_o_canonicalize_one_reloc, 109 bfd_mach_o_swap_reloc_out, 110 bfd_mach_o_print_thread, 111 bfd_mach_o_tgt_seg_table, 112 bfd_mach_o_section_type_valid_for_tgt 113 }; 114 115 const bfd_target TARGET_NAME = 116 { 117 TARGET_STRING, /* Name. */ 118 bfd_target_mach_o_flavour, 119 #if TARGET_BIG_ENDIAN 120 BFD_ENDIAN_BIG, /* Target byte order. */ 121 BFD_ENDIAN_BIG, /* Target headers byte order. */ 122 #else 123 BFD_ENDIAN_LITTLE, /* Target byte order. */ 124 BFD_ENDIAN_LITTLE, /* Target headers byte order. */ 125 #endif 126 (HAS_RELOC | EXEC_P | /* Object flags. */ 127 HAS_LINENO | HAS_DEBUG | 128 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), 129 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS 130 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ 131 '_', /* symbol_leading_char. */ 132 ' ', /* ar_pad_char. */ 133 16, /* ar_max_namelen. */ 134 TARGET_PRIORITY, /* match priority. */ 135 136 #if TARGET_BIG_ENDIAN 137 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 138 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 139 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ 140 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 141 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 142 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */ 143 #else 144 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 145 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 146 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ 147 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 148 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 149 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ 150 #endif /* TARGET_BIG_ENDIAN */ 151 152 { /* bfd_check_format. */ 153 #if TARGET_ARCHIVE 154 _bfd_dummy_target, 155 _bfd_dummy_target, 156 bfd_mach_o_archive_p, 157 _bfd_dummy_target, 158 #else 159 _bfd_dummy_target, 160 bfd_mach_o_object_p, 161 bfd_generic_archive_p, 162 bfd_mach_o_core_p 163 #endif 164 }, 165 { /* bfd_set_format. */ 166 bfd_false, 167 bfd_mach_o_mkobject, 168 _bfd_generic_mkarchive, 169 bfd_mach_o_mkobject, 170 }, 171 { /* bfd_write_contents. */ 172 bfd_false, 173 bfd_mach_o_write_contents, 174 _bfd_write_archive_contents, 175 bfd_mach_o_write_contents, 176 }, 177 178 BFD_JUMP_TABLE_GENERIC (bfd_mach_o), 179 BFD_JUMP_TABLE_COPY (bfd_mach_o), 180 BFD_JUMP_TABLE_CORE (bfd_mach_o), 181 #if TARGET_ARCHIVE 182 BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o), 183 #else 184 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44), 185 #endif 186 BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o), 187 BFD_JUMP_TABLE_RELOCS (bfd_mach_o), 188 BFD_JUMP_TABLE_WRITE (bfd_mach_o), 189 BFD_JUMP_TABLE_LINK (bfd_mach_o), 190 BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o), 191 192 /* Alternative endian target. */ 193 NULL, 194 195 /* Back-end data. */ 196 &TARGET_NAME_BACKEND 197 }; 198 199