1 /* Mach-O support for BFD. 2 Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2010, 2011 3 Free Software Foundation, Inc. 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22 /* Define generic entry points here so that we don't need to duplicate the 23 defines in every target. But define once as this file may be included 24 several times. */ 25 #ifndef MACH_O_TARGET_COMMON_DEFINED 26 #define MACH_O_TARGET_COMMON_DEFINED 27 28 #define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info 29 #define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window 30 #define bfd_mach_o_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data 31 #define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 32 #define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name 33 #define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno 34 #define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info 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_hash_table_free _bfd_generic_link_hash_table_free 42 #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols 43 #define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms 44 #define bfd_mach_o_bfd_copy_link_hash_symbol_type \ 45 _bfd_generic_copy_link_hash_symbol_type 46 #define bfd_mach_o_bfd_final_link _bfd_generic_final_link 47 #define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section 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_header_data _bfd_generic_bfd_copy_private_header_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 #define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend) 66 67 #endif /* MACH_O_TARGET_COMMON_DEFINED */ 68 69 #ifndef TARGET_NAME 70 #error TARGET_NAME must be defined 71 #endif /* TARGET_NAME */ 72 73 #ifndef TARGET_STRING 74 #error TARGET_STRING must be defined 75 #endif /* TARGET_STRING */ 76 77 #ifndef TARGET_ARCHITECTURE 78 #error TARGET_ARCHITECTURE must be defined 79 #endif /* TARGET_ARCHITECTURE */ 80 81 #ifndef TARGET_BIG_ENDIAN 82 #error TARGET_BIG_ENDIAN must be defined 83 #endif /* TARGET_BIG_ENDIAN */ 84 85 #ifndef TARGET_ARCHIVE 86 #error TARGET_ARCHIVE must be defined 87 #endif /* TARGET_ARCHIVE */ 88 89 #if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) 90 #error Mach-O fat files must always be big-endian. 91 #endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */ 92 93 static const bfd_mach_o_backend_data TARGET_NAME_BACKEND = 94 { 95 TARGET_ARCHITECTURE, 96 bfd_mach_o_swap_reloc_in, 97 bfd_mach_o_swap_reloc_out, 98 bfd_mach_o_print_thread, 99 bfd_mach_o_tgt_seg_table, 100 bfd_mach_o_section_type_valid_for_tgt 101 }; 102 103 const bfd_target TARGET_NAME = 104 { 105 TARGET_STRING, /* Name. */ 106 bfd_target_mach_o_flavour, 107 #if TARGET_BIG_ENDIAN 108 BFD_ENDIAN_BIG, /* Target byte order. */ 109 BFD_ENDIAN_BIG, /* Target headers byte order. */ 110 #else 111 BFD_ENDIAN_LITTLE, /* Target byte order. */ 112 BFD_ENDIAN_LITTLE, /* Target headers byte order. */ 113 #endif 114 (HAS_RELOC | EXEC_P | /* Object flags. */ 115 HAS_LINENO | HAS_DEBUG | 116 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), 117 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS 118 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ 119 '_', /* symbol_leading_char. */ 120 ' ', /* ar_pad_char. */ 121 16, /* ar_max_namelen. */ 122 TARGET_PRIORITY, /* match priority. */ 123 124 #if TARGET_BIG_ENDIAN 125 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 126 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 127 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ 128 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 129 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 130 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */ 131 #else 132 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 133 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 134 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ 135 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 136 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 137 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ 138 #endif /* TARGET_BIG_ENDIAN */ 139 140 { /* bfd_check_format. */ 141 #if TARGET_ARCHIVE 142 _bfd_dummy_target, 143 _bfd_dummy_target, 144 bfd_mach_o_archive_p, 145 _bfd_dummy_target, 146 #else 147 _bfd_dummy_target, 148 bfd_mach_o_object_p, 149 bfd_generic_archive_p, 150 bfd_mach_o_core_p 151 #endif 152 }, 153 { /* bfd_set_format. */ 154 bfd_false, 155 bfd_mach_o_mkobject, 156 _bfd_generic_mkarchive, 157 bfd_mach_o_mkobject, 158 }, 159 { /* bfd_write_contents. */ 160 bfd_false, 161 bfd_mach_o_write_contents, 162 _bfd_write_archive_contents, 163 bfd_mach_o_write_contents, 164 }, 165 166 BFD_JUMP_TABLE_GENERIC (bfd_mach_o), 167 BFD_JUMP_TABLE_COPY (bfd_mach_o), 168 BFD_JUMP_TABLE_CORE (bfd_mach_o), 169 #if TARGET_ARCHIVE 170 BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o), 171 #else 172 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44), 173 #endif 174 BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o), 175 BFD_JUMP_TABLE_RELOCS (bfd_mach_o), 176 BFD_JUMP_TABLE_WRITE (bfd_mach_o), 177 BFD_JUMP_TABLE_LINK (bfd_mach_o), 178 BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o), 179 180 /* Alternative endian target. */ 181 NULL, 182 183 /* Back-end data. */ 184 &TARGET_NAME_BACKEND 185 }; 186 187