1 /* Mach-O support for BFD. 2 Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2010 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_close_and_cleanup _bfd_generic_close_and_cleanup 29 #define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info 30 #define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook 31 #define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window 32 #define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 33 #define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name 34 #define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno 35 #define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line 36 #define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info 37 #define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol 38 #define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols 39 #define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol 40 #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents 41 #define bfd_mach_o_bfd_relax_section bfd_generic_relax_section 42 #define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create 43 #define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free 44 #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols 45 #define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms 46 #define bfd_mach_o_bfd_copy_link_hash_symbol_type \ 47 _bfd_generic_copy_link_hash_symbol_type 48 #define bfd_mach_o_bfd_final_link _bfd_generic_final_link 49 #define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section 50 #define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data 51 #define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags 52 #define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents 53 #define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections 54 #define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections 55 #define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section 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_copy_private_header_data _bfd_generic_bfd_copy_private_header_data 60 #define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p 61 #define bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid 62 63 #define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound 64 #define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab 65 66 #define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend) 67 68 #endif /* MACH_O_TARGET_COMMON_DEFINED */ 69 70 #ifndef TARGET_NAME 71 #error TARGET_NAME must be defined 72 #endif /* TARGET_NAME */ 73 74 #ifndef TARGET_STRING 75 #error TARGET_STRING must be defined 76 #endif /* TARGET_STRING */ 77 78 #ifndef TARGET_ARCHITECTURE 79 #error TARGET_ARCHITECTURE must be defined 80 #endif /* TARGET_ARCHITECTURE */ 81 82 #ifndef TARGET_BIG_ENDIAN 83 #error TARGET_BIG_ENDIAN must be defined 84 #endif /* TARGET_BIG_ENDIAN */ 85 86 #ifndef TARGET_ARCHIVE 87 #error TARGET_ARCHIVE must be defined 88 #endif /* TARGET_ARCHIVE */ 89 90 #if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) 91 #error Mach-O fat files must always be big-endian. 92 #endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */ 93 94 static const bfd_mach_o_backend_data TARGET_NAME_BACKEND = 95 { 96 TARGET_ARCHITECTURE, 97 bfd_mach_o_swap_reloc_in, 98 bfd_mach_o_swap_reloc_out, 99 bfd_mach_o_print_thread 100 }; 101 102 const bfd_target TARGET_NAME = 103 { 104 TARGET_STRING, /* Name. */ 105 bfd_target_mach_o_flavour, 106 #if TARGET_BIG_ENDIAN 107 BFD_ENDIAN_BIG, /* Target byte order. */ 108 BFD_ENDIAN_BIG, /* Target headers byte order. */ 109 #else 110 BFD_ENDIAN_LITTLE, /* Target byte order. */ 111 BFD_ENDIAN_LITTLE, /* Target headers byte order. */ 112 #endif 113 (HAS_RELOC | EXEC_P | /* Object flags. */ 114 HAS_LINENO | HAS_DEBUG | 115 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), 116 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS 117 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ 118 '_', /* symbol_leading_char. */ 119 ' ', /* ar_pad_char. */ 120 16, /* ar_max_namelen. */ 121 122 #if TARGET_BIG_ENDIAN 123 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 124 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 125 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ 126 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 127 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 128 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */ 129 #else 130 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 131 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 132 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ 133 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 134 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 135 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ 136 #endif /* TARGET_BIG_ENDIAN */ 137 138 { /* bfd_check_format. */ 139 #if TARGET_ARCHIVE 140 _bfd_dummy_target, 141 _bfd_dummy_target, 142 bfd_mach_o_archive_p, 143 _bfd_dummy_target, 144 #else 145 _bfd_dummy_target, 146 bfd_mach_o_object_p, 147 bfd_generic_archive_p, 148 bfd_mach_o_core_p 149 #endif 150 }, 151 { /* bfd_set_format. */ 152 bfd_false, 153 bfd_mach_o_mkobject, 154 _bfd_generic_mkarchive, 155 bfd_mach_o_mkobject, 156 }, 157 { /* bfd_write_contents. */ 158 bfd_false, 159 bfd_mach_o_write_contents, 160 _bfd_write_archive_contents, 161 bfd_mach_o_write_contents, 162 }, 163 164 BFD_JUMP_TABLE_GENERIC (bfd_mach_o), 165 BFD_JUMP_TABLE_COPY (bfd_mach_o), 166 BFD_JUMP_TABLE_CORE (bfd_mach_o), 167 #if TARGET_ARCHIVE 168 BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o), 169 #else 170 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44), 171 #endif 172 BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o), 173 BFD_JUMP_TABLE_RELOCS (bfd_mach_o), 174 BFD_JUMP_TABLE_WRITE (bfd_mach_o), 175 BFD_JUMP_TABLE_LINK (bfd_mach_o), 176 BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o), 177 178 /* Alternative endian target. */ 179 NULL, 180 181 /* Back-end data. */ 182 &TARGET_NAME_BACKEND 183 }; 184 185