include/oasys.h

   1 /* Oasys object format header file for BFD.
   2    Contributed by Cygnus Support.  */
   3
   4 #define OASYS_MAX_SEC_COUNT 16
   5 /* **** */
   6
   7 typedef struct oasys_archive_header {
   8   unsigned int  version;
   9   char create_date[12];
  10   char revision_date[12];
  11   unsigned int mod_count;
  12   file_ptr mod_tbl_offset;
  13   unsigned int sym_tbl_size;
  14   unsigned int sym_count;
  15   file_ptr sym_tbl_offset;
  16   unsigned int xref_count;
  17   file_ptr xref_lst_offset;
  18 } oasys_archive_header_type;
  19
  20 typedef struct oasys_extarchive_header {
  21   bfd_byte version[4];
  22   bfd_byte create_date[12];
  23   bfd_byte revision_date[12];
  24   bfd_byte mod_count[4];
  25   bfd_byte mod_tbl_offset[4];
  26   bfd_byte sym_tbl_size[4];
  27   bfd_byte sym_count[4];
  28   bfd_byte sym_tbl_offset[4];
  29   bfd_byte xref_count[4];
  30   bfd_byte xref_lst_offset[4];
  31 } oasys_extarchive_header_type;
  32
  33 typedef struct oasys_module_table {
  34   int mod_number;
  35   char mod_date[12];
  36   unsigned int mod_size;
  37   unsigned int dep_count;
  38   unsigned int depee_count;
  39   file_ptr file_offset;
  40   unsigned int sect_count;
  41   char *module_name;
  42   unsigned int module_name_size;
  43 } oasys_module_table_type;
  44
  45
  46 typedef struct oasys_extmodule_table_a {
  47   bfd_byte mod_number[4];
  48   bfd_byte mod_date[12];
  49   bfd_byte mod_size[4];
  50   bfd_byte dep_count[4];
  51   bfd_byte depee_count[4];
  52   bfd_byte sect_count[4];
  53   bfd_byte file_offset[4];
  54   bfd_byte mod_name[32];
  55 } oasys_extmodule_table_type_a_type;
  56
  57 typedef struct oasys_extmodule_table_b {
  58   bfd_byte mod_number[4];
  59   bfd_byte mod_date[12];
  60   bfd_byte mod_size[4];
  61   bfd_byte dep_count[4];
  62   bfd_byte depee_count[4];
  63   bfd_byte sect_count[4];
  64   bfd_byte file_offset[4];
  65   bfd_byte mod_name_length[4];
  66 } oasys_extmodule_table_type_b_type;
  67
  68
  69 typedef enum oasys_record {
  70   oasys_record_is_end_enum = 0,
  71   oasys_record_is_data_enum = 1,
  72   oasys_record_is_symbol_enum = 2,
  73   oasys_record_is_header_enum = 3,
  74   oasys_record_is_named_section_enum = 4,
  75   oasys_record_is_com_enum = 5,
  76   oasys_record_is_debug_enum = 6,
  77   oasys_record_is_section_enum = 7,
  78   oasys_record_is_debug_file_enum = 8,
  79   oasys_record_is_module_enum = 9,
  80   oasys_record_is_local_enum = 10
  81 } oasys_record_enum_type;
  82
  83
  84
  85 typedef struct oasys_record_header {
  86   unsigned char length;
  87   unsigned char check_sum;
  88   unsigned char type;
  89   unsigned char fill;
  90 } oasys_record_header_type;
  91
  92 typedef struct oasys_data_record {
  93   oasys_record_header_type header;
  94   unsigned char relb;
  95   bfd_byte addr[4];
  96   /* maximum total size of data record is 255 bytes */
  97   bfd_byte data[246];
  98 } oasys_data_record_type;
  99
 100 typedef struct oasys_header_record {
 101   oasys_record_header_type header;
 102   unsigned char version_number;
 103   unsigned char rev_number;
 104   char module_name[26-6];
 105   char description[64-26];
 106 } oasys_header_record_type;
 107
 108 #define OASYS_VERSION_NUMBER 0
 109 #define OASYS_REV_NUMBER 0
 110
 111 typedef struct oasys_symbol_record {
 112   oasys_record_header_type header;
 113   unsigned char relb;
 114   bfd_byte value[4];
 115   bfd_byte refno[2];
 116   char name[64];
 117 } oasys_symbol_record_type;
 118
 119 #define RELOCATION_PCREL_BIT 0x80
 120 #define RELOCATION_32BIT_BIT 0x40
 121 #define RELOCATION_TYPE_BITS 0x30
 122 #define RELOCATION_TYPE_ABS 0x00
 123 #define RELOCATION_TYPE_REL 0x10
 124 #define RELOCATION_TYPE_UND 0x20
 125 #define RELOCATION_TYPE_COM 0x30
 126 #define RELOCATION_SECT_BITS 0x0f
 127
 128 typedef struct oasys_section_record {
 129   oasys_record_header_type header;
 130   unsigned char relb;
 131   bfd_byte value[4];
 132   bfd_byte vma[4];
 133   bfd_byte fill[3];
 134 } oasys_section_record_type;
 135
 136 typedef struct oasys_end_record {
 137   oasys_record_header_type header;
 138   unsigned char relb;
 139   bfd_byte entry[4];
 140   bfd_byte fill[2];
 141   bfd_byte zero;
 142 } oasys_end_record_type;
 143
 144 typedef union oasys_record_union {
 145   oasys_record_header_type header;
 146   oasys_data_record_type data;
 147   oasys_section_record_type section;
 148   oasys_symbol_record_type symbol;
 149   oasys_header_record_type first;
 150   oasys_end_record_type end;
 151   bfd_byte pad[256];
 152 } oasys_record_union_type;