include/oasys.h

   1 /* Oasys object format header file for BFD.
   2
   3    Copyright (C) 2001-2024 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3, or (at your option)
   8    any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street - Fifth Floor,
  18    Boston, MA 02110-1301, USA.
  19
  20    Contributed by Cygnus Support.  */
  21
  22 #define OASYS_MAX_SEC_COUNT 16
  23 /* **** */
  24
  25 typedef struct oasys_archive_header
  26   {
  27     unsigned int  version;
  28     char create_date[12];
  29     char revision_date[12];
  30     unsigned int mod_count;
  31     file_ptr mod_tbl_offset;
  32     unsigned int sym_tbl_size;
  33     unsigned int sym_count;
  34     file_ptr sym_tbl_offset;
  35     unsigned int xref_count;
  36     file_ptr xref_lst_offset;
  37   }
  38 oasys_archive_header_type;
  39
  40 typedef struct oasys_extarchive_header
  41   {
  42     bfd_byte version[4];
  43     bfd_byte create_date[12];
  44     bfd_byte revision_date[12];
  45     bfd_byte mod_count[4];
  46     bfd_byte mod_tbl_offset[4];
  47     bfd_byte sym_tbl_size[4];
  48     bfd_byte sym_count[4];
  49     bfd_byte sym_tbl_offset[4];
  50     bfd_byte xref_count[4];
  51     bfd_byte xref_lst_offset[4];
  52   }
  53 oasys_extarchive_header_type;
  54
  55 typedef struct oasys_module_table
  56   {
  57     int mod_number;
  58     char mod_date[12];
  59     unsigned int mod_size;
  60     unsigned int dep_count;
  61     unsigned int depee_count;
  62     file_ptr file_offset;
  63     unsigned int sect_count;
  64     char *module_name;
  65     unsigned int module_name_size;
  66   }
  67 oasys_module_table_type;
  68
  69 typedef struct oasys_extmodule_table_a
  70   {
  71     bfd_byte mod_number[4];
  72     bfd_byte mod_date[12];
  73     bfd_byte mod_size[4];
  74     bfd_byte dep_count[4];
  75     bfd_byte depee_count[4];
  76     bfd_byte sect_count[4];
  77     bfd_byte file_offset[4];
  78     bfd_byte mod_name[32];
  79   }
  80 oasys_extmodule_table_type_a_type;
  81
  82 typedef struct oasys_extmodule_table_b
  83   {
  84     bfd_byte mod_number[4];
  85     bfd_byte mod_date[12];
  86     bfd_byte mod_size[4];
  87     bfd_byte dep_count[4];
  88     bfd_byte depee_count[4];
  89     bfd_byte sect_count[4];
  90     bfd_byte file_offset[4];
  91     bfd_byte mod_name_length[4];
  92   }
  93 oasys_extmodule_table_type_b_type;
  94
  95 typedef enum oasys_record
  96   {
  97     oasys_record_is_end_enum = 0,
  98     oasys_record_is_data_enum = 1,
  99     oasys_record_is_symbol_enum = 2,
 100     oasys_record_is_header_enum = 3,
 101     oasys_record_is_named_section_enum = 4,
 102     oasys_record_is_com_enum = 5,
 103     oasys_record_is_debug_enum = 6,
 104     oasys_record_is_section_enum = 7,
 105     oasys_record_is_debug_file_enum = 8,
 106     oasys_record_is_module_enum = 9,
 107     oasys_record_is_local_enum = 10
 108   }
 109 oasys_record_enum_type;
 110
 111 typedef struct oasys_record_header
 112   {
 113     unsigned char length;
 114     unsigned char check_sum;
 115     unsigned char type;
 116     unsigned char fill;
 117   }
 118 oasys_record_header_type;
 119
 120 typedef struct oasys_data_record
 121   {
 122     oasys_record_header_type header;
 123     unsigned char relb;
 124     bfd_byte addr[4];
 125     /* maximum total size of data record is 255 bytes */
 126     bfd_byte data[246];
 127   }
 128 oasys_data_record_type;
 129
 130 typedef struct oasys_header_record
 131   {
 132     oasys_record_header_type header;
 133     unsigned char version_number;
 134     unsigned char rev_number;
 135     char module_name[26-6];
 136     char description[64-26];
 137   }
 138 oasys_header_record_type;
 139
 140 #define OASYS_VERSION_NUMBER 0
 141 #define OASYS_REV_NUMBER 0
 142
 143 typedef struct oasys_symbol_record
 144   {
 145     oasys_record_header_type header;
 146     unsigned char relb;
 147     bfd_byte value[4];
 148     bfd_byte refno[2];
 149     char name[64];
 150   }
 151 oasys_symbol_record_type;
 152
 153 #define RELOCATION_PCREL_BIT 0x80
 154 #define RELOCATION_32BIT_BIT 0x40
 155 #define RELOCATION_TYPE_BITS 0x30
 156 #define RELOCATION_TYPE_ABS 0x00
 157 #define RELOCATION_TYPE_REL 0x10
 158 #define RELOCATION_TYPE_UND 0x20
 159 #define RELOCATION_TYPE_COM 0x30
 160 #define RELOCATION_SECT_BITS 0x0f
 161
 162 typedef struct oasys_section_record
 163   {
 164     oasys_record_header_type header;
 165     unsigned char relb;
 166     bfd_byte value[4];
 167     bfd_byte vma[4];
 168     bfd_byte fill[3];
 169   }
 170 oasys_section_record_type;
 171
 172 typedef struct oasys_end_record
 173   {
 174     oasys_record_header_type header;
 175     unsigned char relb;
 176     bfd_byte entry[4];
 177     bfd_byte fill[2];
 178     bfd_byte zero;
 179   }
 180 oasys_end_record_type;
 181
 182 typedef union oasys_record_union
 183   {
 184     oasys_record_header_type header;
 185     oasys_data_record_type data;
 186     oasys_section_record_type section;
 187     oasys_symbol_record_type symbol;
 188     oasys_header_record_type first;
 189     oasys_end_record_type end;
 190     bfd_byte pad[256];
 191   }
 192 oasys_record_union_type;