Subversion Repositories openrisc_2011-10-31

/* Oasys object format header file for BFD.

   Copyright 2001, 2010 Free Software Foundation, Inc.

   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, 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.

   Contributed by Cygnus Support.  */

#define OASYS_MAX_SEC_COUNT 16

/* **** */

typedef struct oasys_archive_header

  {

    unsigned int  version;

    char create_date[12];

    char revision_date[12];

    unsigned int mod_count;

    file_ptr mod_tbl_offset;

    unsigned int sym_tbl_size;

    unsigned int sym_count;

    file_ptr sym_tbl_offset;

    unsigned int xref_count;

    file_ptr xref_lst_offset;

  }

oasys_archive_header_type;

typedef struct oasys_extarchive_header

  {

    bfd_byte version[4];

    bfd_byte create_date[12];

    bfd_byte revision_date[12];

    bfd_byte mod_count[4];

    bfd_byte mod_tbl_offset[4];

    bfd_byte sym_tbl_size[4];

    bfd_byte sym_count[4];

    bfd_byte sym_tbl_offset[4];

    bfd_byte xref_count[4];

    bfd_byte xref_lst_offset[4];

  }

oasys_extarchive_header_type;

typedef struct oasys_module_table

  {

    int mod_number;

    char mod_date[12];

    unsigned int mod_size;

    unsigned int dep_count;

    unsigned int depee_count;

    file_ptr file_offset;

    unsigned int sect_count;

    char *module_name;

    unsigned int module_name_size;

  }

oasys_module_table_type;

typedef struct oasys_extmodule_table_a

  {

    bfd_byte mod_number[4];

    bfd_byte mod_date[12];

    bfd_byte mod_size[4];

    bfd_byte dep_count[4];

    bfd_byte depee_count[4];

    bfd_byte sect_count[4];

    bfd_byte file_offset[4];

    bfd_byte mod_name[32];

  }

oasys_extmodule_table_type_a_type;

typedef struct oasys_extmodule_table_b

  {

    bfd_byte mod_number[4];

    bfd_byte mod_date[12];

    bfd_byte mod_size[4];

    bfd_byte dep_count[4];

    bfd_byte depee_count[4];

    bfd_byte sect_count[4];

    bfd_byte file_offset[4];

    bfd_byte mod_name_length[4];

  }

oasys_extmodule_table_type_b_type;

typedef enum oasys_record

  {

    oasys_record_is_end_enum = 0,

    oasys_record_is_data_enum = 1,

    oasys_record_is_symbol_enum = 2,

    oasys_record_is_header_enum = 3,

    oasys_record_is_named_section_enum = 4,

    oasys_record_is_com_enum = 5,

    oasys_record_is_debug_enum = 6,

    oasys_record_is_section_enum = 7,

    oasys_record_is_debug_file_enum = 8,

    oasys_record_is_module_enum = 9,

    oasys_record_is_local_enum = 10

  }

oasys_record_enum_type;

typedef struct oasys_record_header

  {

    unsigned char length;

    unsigned char check_sum;

    unsigned char type;

    unsigned char fill;

  }

oasys_record_header_type;

typedef struct oasys_data_record

  {

    oasys_record_header_type header;

    unsigned char relb;

    bfd_byte addr[4];

    /* maximum total size of data record is 255 bytes */

    bfd_byte data[246];

  }

oasys_data_record_type;

typedef struct oasys_header_record

  {

    oasys_record_header_type header;

    unsigned char version_number;

    unsigned char rev_number;

    char module_name[26-6];

    char description[64-26];

  }

oasys_header_record_type;

#define OASYS_VERSION_NUMBER 0

#define OASYS_REV_NUMBER 0

typedef struct oasys_symbol_record

  {

    oasys_record_header_type header;

    unsigned char relb;

    bfd_byte value[4];

    bfd_byte refno[2];

    char name[64];

  }

oasys_symbol_record_type;

#define RELOCATION_PCREL_BIT 0x80

#define RELOCATION_32BIT_BIT 0x40

#define RELOCATION_TYPE_BITS 0x30

#define RELOCATION_TYPE_ABS 0x00

#define RELOCATION_TYPE_REL 0x10

#define RELOCATION_TYPE_UND 0x20

#define RELOCATION_TYPE_COM 0x30

#define RELOCATION_SECT_BITS 0x0f

typedef struct oasys_section_record

  {

    oasys_record_header_type header;

    unsigned char relb;

    bfd_byte value[4];

    bfd_byte vma[4];

    bfd_byte fill[3];

  }

oasys_section_record_type;

typedef struct oasys_end_record

  {

    oasys_record_header_type header;

    unsigned char relb;

    bfd_byte entry[4];

    bfd_byte fill[2];

    bfd_byte zero;

  }

oasys_end_record_type;

typedef union oasys_record_union

  {

    oasys_record_header_type header;

    oasys_data_record_type data;

    oasys_section_record_type section;

    oasys_symbol_record_type symbol;

    oasys_header_record_type first;

    oasys_end_record_type end;

    bfd_byte pad[256];

  }

oasys_record_union_type;