include/som/internal.h

   1 /* SOM internal definitions for BFD.
   2    Copyright 2010  Free Software Foundation, Inc.
   3    Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore.
   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 Foundation,
  19    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #ifndef _SOM_INTERNAL_H
  22 #define _SOM_INTERNAL_H
  23
  24 struct som_clock
  25 {
  26   unsigned int secs;
  27   unsigned int nanosecs;
  28 };
  29
  30 struct som_header
  31 {
  32   unsigned short system_id;
  33   unsigned short a_magic;
  34   unsigned int version_id;
  35   struct som_clock file_time;
  36   unsigned int entry_space;
  37   unsigned int entry_subspace;
  38   unsigned int entry_offset;
  39   unsigned int aux_header_location;
  40   unsigned int aux_header_size;
  41   unsigned int som_length;
  42   unsigned int presumed_dp;
  43   unsigned int space_location;
  44   unsigned int space_total;
  45   unsigned int subspace_location;
  46   unsigned int subspace_total;
  47   unsigned int loader_fixup_location;
  48   unsigned int loader_fixup_total;
  49   unsigned int space_strings_location;
  50   unsigned int space_strings_size;
  51   unsigned int init_array_location;
  52   unsigned int init_array_total;
  53   unsigned int compiler_location;
  54   unsigned int compiler_total;
  55   unsigned int symbol_location;
  56   unsigned int symbol_total;
  57   unsigned int fixup_request_location;
  58   unsigned int fixup_request_total;
  59   unsigned int symbol_strings_location;
  60   unsigned int symbol_strings_size;
  61   unsigned int unloadable_sp_location;
  62   unsigned int unloadable_sp_size;
  63   unsigned int checksum;
  64 };
  65
  66 struct som_aux_id
  67 {
  68   unsigned int mandatory : 1;
  69   unsigned int copy : 1;
  70   unsigned int append : 1;
  71   unsigned int ignore : 1;
  72   unsigned int reserved : 12;
  73
  74   /* Header type.  */
  75   unsigned int type : 16;
  76
  77   /* Length of the header in bytes, without the two word identifier.  */
  78   unsigned int length;
  79 };
  80
  81 /* Generic auxiliary string header.  */
  82 struct som_string_auxhdr
  83 {
  84   struct som_aux_id header_id;
  85
  86   /* Length of the string, without the NUL.  */
  87   unsigned int string_length;
  88
  89   /* The string.  */
  90   char string[1];
  91 };
  92
  93 struct som_name_pt
  94 {
  95   char *name;
  96   unsigned int strx;
  97 };
  98
  99 struct som_compilation_unit
 100 {
 101   /* Source file that produced the SOM.  */
 102   struct som_name_pt name;
 103
 104   /* Name of the language used when creating this SOM.  */
 105   struct som_name_pt language_name;
 106
 107   /* Identificaton of the compiler.  */
 108   struct som_name_pt product_id;
 109
 110   /* Version id of the compiler.  */
 111   struct som_name_pt version_id;
 112
 113   unsigned int flags;
 114   struct som_clock compile_time;
 115   struct som_clock source_time;
 116 };
 117
 118 struct som_exec_auxhdr
 119 {
 120   struct som_aux_id som_auxhdr;
 121
 122   long exec_tsize;
 123   long exec_tmem;
 124   long exec_tfile;
 125   long exec_dsize;
 126   long exec_dmem;
 127   long exec_dfile;
 128   long exec_bsize;
 129   long exec_entry;
 130   long exec_flags;
 131   long exec_bfill;
 132 };
 133
 134 struct som_space_dictionary_record
 135 {
 136   unsigned int name;
 137   unsigned int is_loadable : 1;
 138   unsigned int is_defined : 1;
 139   unsigned int is_private : 1;
 140   unsigned int has_intermediate_code : 1;
 141   unsigned int is_tspecific : 1;
 142   unsigned int reserved : 11;
 143   unsigned int sort_key : 8;
 144   unsigned int reserved2 : 8;
 145   int space_number;
 146   int subspace_index;
 147   unsigned int subspace_quantity;
 148   int loader_fix_index;
 149   unsigned int loader_fix_quantity;
 150   int init_pointer_index;
 151   unsigned int init_pointer_quantity;
 152 };
 153
 154 struct som_subspace_dictionary_record
 155 {
 156   int space_index;
 157   unsigned int access_control_bits : 7;
 158   unsigned int memory_resident : 1;
 159   unsigned int dup_common : 1;
 160   unsigned int is_common : 1;
 161   unsigned int is_loadable : 1;
 162   unsigned int quadrant : 2;
 163   unsigned int initially_frozen : 1;
 164   unsigned int is_first : 1;
 165   unsigned int code_only : 1;
 166   unsigned int sort_key : 8;
 167   unsigned int replicate_init : 1;
 168   unsigned int continuation : 1;
 169   unsigned int is_tspecific : 1;
 170   unsigned int is_comdat : 1;
 171   unsigned int reserved : 4;
 172   int file_loc_init_value;
 173   unsigned int initialization_length;
 174   unsigned int subspace_start;
 175   unsigned int subspace_length;
 176   unsigned int reserved2 : 5;
 177   unsigned int alignment : 27;
 178   unsigned int name;
 179   int fixup_request_index;
 180   unsigned int fixup_request_quantity;
 181 };
 182
 183 struct som_lst_header
 184 {
 185   unsigned short system_id;
 186   unsigned short a_magic;
 187   unsigned int version_id;
 188   struct som_clock file_time;
 189   unsigned int hash_loc;
 190   unsigned int hash_size;
 191   unsigned int module_count;
 192   unsigned int module_limit;
 193   unsigned int dir_loc;
 194   unsigned int export_loc;
 195   unsigned int export_count;
 196   unsigned int import_loc;
 197   unsigned int aux_loc;
 198   unsigned int aux_size;
 199   unsigned int string_loc;
 200   unsigned int string_size;
 201   unsigned int free_list;
 202   unsigned int file_end;
 203   unsigned int checksum;
 204 };
 205
 206 #endif /* _SOM_INTERNAL_H */