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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