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/* SOM internal definitions for BFD.

   Copyright 2010  Free Software Foundation, Inc.

   Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software Foundation,

   Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifndef _SOM_INTERNAL_H

#define _SOM_INTERNAL_H

struct som_clock

{

  unsigned int secs;

  unsigned int nanosecs;

};

struct som_header

{

  unsigned short system_id;

  unsigned short a_magic;

  unsigned int version_id;

  struct som_clock file_time;

  unsigned int entry_space;

  unsigned int entry_subspace;

  unsigned int entry_offset;

  unsigned int aux_header_location;

  unsigned int aux_header_size;

  unsigned int som_length;

  unsigned int presumed_dp;

  unsigned int space_location;

  unsigned int space_total;

  unsigned int subspace_location;

  unsigned int subspace_total;

  unsigned int loader_fixup_location;

  unsigned int loader_fixup_total;

  unsigned int space_strings_location;

  unsigned int space_strings_size;

  unsigned int init_array_location;

  unsigned int init_array_total;

  unsigned int compiler_location;

  unsigned int compiler_total;

  unsigned int symbol_location;

  unsigned int symbol_total;

  unsigned int fixup_request_location;

  unsigned int fixup_request_total;

  unsigned int symbol_strings_location;

  unsigned int symbol_strings_size;

  unsigned int unloadable_sp_location;

  unsigned int unloadable_sp_size;

  unsigned int checksum;

};

struct som_aux_id

{

  unsigned int mandatory : 1;

  unsigned int copy : 1;

  unsigned int append : 1;

  unsigned int ignore : 1;

  unsigned int reserved : 12;

  /* Header type.  */

  unsigned int type : 16;

  /* Length of the header in bytes, without the two word identifier.  */

  unsigned int length;

};

/* Generic auxiliary string header.  */

struct som_string_auxhdr

{

  struct som_aux_id header_id;

  /* Length of the string, without the NUL.  */

  unsigned int string_length;

  /* The string.  */

  char string[1];

};

struct som_name_pt

{

  char *name;

  unsigned int strx;

};

struct som_compilation_unit

{

  /* Source file that produced the SOM.  */

  struct som_name_pt name;

  /* Name of the language used when creating this SOM.  */

  struct som_name_pt language_name;

  /* Identificaton of the compiler.  */

  struct som_name_pt product_id;

  /* Version id of the compiler.  */

  struct som_name_pt version_id;

  unsigned int flags;

  struct som_clock compile_time;

  struct som_clock source_time;

};

struct som_exec_auxhdr

{

  struct som_aux_id som_auxhdr;

  long exec_tsize;

  long exec_tmem;

  long exec_tfile;

  long exec_dsize;

  long exec_dmem;

  long exec_dfile;

  long exec_bsize;

  long exec_entry;

  long exec_flags;

  long exec_bfill;

};

struct som_space_dictionary_record

{

  unsigned int name;

  unsigned int is_loadable : 1;

  unsigned int is_defined : 1;

  unsigned int is_private : 1;

  unsigned int has_intermediate_code : 1;

  unsigned int is_tspecific : 1;

  unsigned int reserved : 11;

  unsigned int sort_key : 8;

  unsigned int reserved2 : 8;

  int space_number;

  int subspace_index;

  unsigned int subspace_quantity;

  int loader_fix_index;

  unsigned int loader_fix_quantity;

  int init_pointer_index;

  unsigned int init_pointer_quantity;

};

struct som_subspace_dictionary_record

{

  int space_index;

  unsigned int access_control_bits : 7;

  unsigned int memory_resident : 1;

  unsigned int dup_common : 1;

  unsigned int is_common : 1;

  unsigned int is_loadable : 1;

  unsigned int quadrant : 2;

  unsigned int initially_frozen : 1;

  unsigned int is_first : 1;

  unsigned int code_only : 1;

  unsigned int sort_key : 8;

  unsigned int replicate_init : 1;

  unsigned int continuation : 1;

  unsigned int is_tspecific : 1;

  unsigned int is_comdat : 1;

  unsigned int reserved : 4;

  int file_loc_init_value;

  unsigned int initialization_length;

  unsigned int subspace_start;

  unsigned int subspace_length;

  unsigned int reserved2 : 5;

  unsigned int alignment : 27;

  unsigned int name;

  int fixup_request_index;

  unsigned int fixup_request_quantity;

};

struct som_lst_header

{

  unsigned short system_id;

  unsigned short a_magic;

  unsigned int version_id;

  struct som_clock file_time;

  unsigned int hash_loc;

  unsigned int hash_size;

  unsigned int module_count;

  unsigned int module_limit;

  unsigned int dir_loc;

  unsigned int export_loc;

  unsigned int export_count;

  unsigned int import_loc;

  unsigned int aux_loc;

  unsigned int aux_size;

  unsigned int string_loc;

  unsigned int string_size;

  unsigned int free_list;

  unsigned int file_end;

  unsigned int checksum;

};

#endif /* _SOM_INTERNAL_H */