[444] | 1 | /* SOM internal definitions for BFD. |
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| 2 | Copyright 2010 Free Software Foundation, Inc. |
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| 3 | Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore. |
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| 4 | |
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| 5 | This file is part of BFD, the Binary File Descriptor library. |
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| 6 | |
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| 7 | This program is free software; you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation; either version 3 of the License, or |
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| 10 | (at your option) any later version. |
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| 11 | |
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| 12 | This program is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with this program; if not, write to the Free Software Foundation, |
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| 19 | Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
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| 20 | |
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| 21 | #ifndef _SOM_INTERNAL_H |
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| 22 | #define _SOM_INTERNAL_H |
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| 23 | |
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| 24 | struct som_clock |
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| 25 | { |
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| 26 | unsigned int secs; |
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| 27 | unsigned int nanosecs; |
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| 28 | }; |
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| 29 | |
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| 30 | struct som_header |
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| 31 | { |
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| 32 | unsigned short system_id; |
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| 33 | unsigned short a_magic; |
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| 34 | unsigned int version_id; |
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| 35 | struct som_clock file_time; |
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| 36 | unsigned int entry_space; |
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| 37 | unsigned int entry_subspace; |
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| 38 | unsigned int entry_offset; |
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| 39 | unsigned int aux_header_location; |
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| 40 | unsigned int aux_header_size; |
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| 41 | unsigned int som_length; |
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| 42 | unsigned int presumed_dp; |
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| 43 | unsigned int space_location; |
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| 44 | unsigned int space_total; |
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| 45 | unsigned int subspace_location; |
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| 46 | unsigned int subspace_total; |
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| 47 | unsigned int loader_fixup_location; |
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| 48 | unsigned int loader_fixup_total; |
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| 49 | unsigned int space_strings_location; |
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| 50 | unsigned int space_strings_size; |
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| 51 | unsigned int init_array_location; |
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| 52 | unsigned int init_array_total; |
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| 53 | unsigned int compiler_location; |
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| 54 | unsigned int compiler_total; |
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| 55 | unsigned int symbol_location; |
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| 56 | unsigned int symbol_total; |
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| 57 | unsigned int fixup_request_location; |
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| 58 | unsigned int fixup_request_total; |
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| 59 | unsigned int symbol_strings_location; |
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| 60 | unsigned int symbol_strings_size; |
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| 61 | unsigned int unloadable_sp_location; |
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| 62 | unsigned int unloadable_sp_size; |
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| 63 | unsigned int checksum; |
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| 64 | }; |
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| 65 | |
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| 66 | struct som_aux_id |
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| 67 | { |
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| 68 | unsigned int mandatory : 1; |
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| 69 | unsigned int copy : 1; |
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| 70 | unsigned int append : 1; |
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| 71 | unsigned int ignore : 1; |
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| 72 | unsigned int reserved : 12; |
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| 73 | |
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| 74 | /* Header type. */ |
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| 75 | unsigned int type : 16; |
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| 76 | |
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| 77 | /* Length of the header in bytes, without the two word identifier. */ |
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| 78 | unsigned int length; |
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| 79 | }; |
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| 80 | |
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| 81 | /* Generic auxiliary string header. */ |
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| 82 | struct som_string_auxhdr |
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| 83 | { |
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| 84 | struct som_aux_id header_id; |
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| 85 | |
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| 86 | /* Length of the string, without the NUL. */ |
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| 87 | unsigned int string_length; |
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| 88 | |
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| 89 | /* The string. */ |
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| 90 | char string[1]; |
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| 91 | }; |
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| 92 | |
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| 93 | struct som_name_pt |
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| 94 | { |
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| 95 | char *name; |
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| 96 | unsigned int strx; |
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| 97 | }; |
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| 98 | |
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| 99 | struct som_compilation_unit |
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| 100 | { |
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| 101 | /* Source file that produced the SOM. */ |
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| 102 | struct som_name_pt name; |
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| 103 | |
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| 104 | /* Name of the language used when creating this SOM. */ |
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| 105 | struct som_name_pt language_name; |
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| 106 | |
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| 107 | /* Identificaton of the compiler. */ |
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| 108 | struct som_name_pt product_id; |
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| 109 | |
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| 110 | /* Version id of the compiler. */ |
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| 111 | struct som_name_pt version_id; |
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| 112 | |
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| 113 | unsigned int flags; |
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| 114 | struct som_clock compile_time; |
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| 115 | struct som_clock source_time; |
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| 116 | }; |
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| 117 | |
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| 118 | struct som_exec_auxhdr |
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| 119 | { |
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| 120 | struct som_aux_id som_auxhdr; |
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| 121 | |
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| 122 | long exec_tsize; |
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| 123 | long exec_tmem; |
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| 124 | long exec_tfile; |
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| 125 | long exec_dsize; |
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| 126 | long exec_dmem; |
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| 127 | long exec_dfile; |
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| 128 | long exec_bsize; |
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| 129 | long exec_entry; |
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| 130 | long exec_flags; |
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| 131 | long exec_bfill; |
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| 132 | }; |
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| 133 | |
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| 134 | struct som_space_dictionary_record |
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| 135 | { |
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| 136 | unsigned int name; |
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| 137 | unsigned int is_loadable : 1; |
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| 138 | unsigned int is_defined : 1; |
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| 139 | unsigned int is_private : 1; |
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| 140 | unsigned int has_intermediate_code : 1; |
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| 141 | unsigned int is_tspecific : 1; |
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| 142 | unsigned int reserved : 11; |
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| 143 | unsigned int sort_key : 8; |
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| 144 | unsigned int reserved2 : 8; |
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| 145 | int space_number; |
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| 146 | int subspace_index; |
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| 147 | unsigned int subspace_quantity; |
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| 148 | int loader_fix_index; |
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| 149 | unsigned int loader_fix_quantity; |
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| 150 | int init_pointer_index; |
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| 151 | unsigned int init_pointer_quantity; |
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| 152 | }; |
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| 153 | |
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| 154 | struct som_subspace_dictionary_record |
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| 155 | { |
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| 156 | int space_index; |
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| 157 | unsigned int access_control_bits : 7; |
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| 158 | unsigned int memory_resident : 1; |
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| 159 | unsigned int dup_common : 1; |
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| 160 | unsigned int is_common : 1; |
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| 161 | unsigned int is_loadable : 1; |
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| 162 | unsigned int quadrant : 2; |
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| 163 | unsigned int initially_frozen : 1; |
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| 164 | unsigned int is_first : 1; |
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| 165 | unsigned int code_only : 1; |
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| 166 | unsigned int sort_key : 8; |
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| 167 | unsigned int replicate_init : 1; |
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| 168 | unsigned int continuation : 1; |
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| 169 | unsigned int is_tspecific : 1; |
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| 170 | unsigned int is_comdat : 1; |
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| 171 | unsigned int reserved : 4; |
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| 172 | int file_loc_init_value; |
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| 173 | unsigned int initialization_length; |
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| 174 | unsigned int subspace_start; |
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| 175 | unsigned int subspace_length; |
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| 176 | unsigned int reserved2 : 5; |
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| 177 | unsigned int alignment : 27; |
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| 178 | unsigned int name; |
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| 179 | int fixup_request_index; |
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| 180 | unsigned int fixup_request_quantity; |
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| 181 | }; |
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| 182 | |
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| 183 | struct som_lst_header |
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| 184 | { |
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| 185 | unsigned short system_id; |
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| 186 | unsigned short a_magic; |
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| 187 | unsigned int version_id; |
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| 188 | struct som_clock file_time; |
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| 189 | unsigned int hash_loc; |
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| 190 | unsigned int hash_size; |
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| 191 | unsigned int module_count; |
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| 192 | unsigned int module_limit; |
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| 193 | unsigned int dir_loc; |
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| 194 | unsigned int export_loc; |
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| 195 | unsigned int export_count; |
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| 196 | unsigned int import_loc; |
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| 197 | unsigned int aux_loc; |
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| 198 | unsigned int aux_size; |
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| 199 | unsigned int string_loc; |
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| 200 | unsigned int string_size; |
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| 201 | unsigned int free_list; |
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| 202 | unsigned int file_end; |
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| 203 | unsigned int checksum; |
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| 204 | }; |
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| 205 | |
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| 206 | #endif /* _SOM_INTERNAL_H */ |
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