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/*** coff information for 88k bcs */

/********************** FILE HEADER **********************/

struct external_filehdr {

        char f_magic[2];        /* magic number                 */

        char f_nscns[2];        /* number of sections           */

        char f_timdat[4];       /* time & date stamp            */

        char f_symptr[4];       /* file pointer to symtab       */

        char f_nsyms[4];        /* number of symtab entries     */

        char f_opthdr[2];       /* sizeof(optional hdr)         */

        char f_flags[2];        /* flags                        */

};

#define MC88MAGIC  0540           /* 88k BCS executable */

#define MC88DMAGIC 0541           /* DG/UX executable   */

#define MC88OMAGIC 0555           /* Object file        */

#define MC88BADMAG(x) (((x).f_magic!=MC88MAGIC) &&((x).f_magic!=MC88DMAGIC) && ((x).f_magic != MC88OMAGIC))

#define FILHDR  struct external_filehdr

#define FILHSZ  20

/********************** AOUT "OPTIONAL HEADER" **********************/

#define PAGEMAGIC3 0414 /* Split i&d, zero mapped */

#define PAGEMAGICBCS 0413

typedef struct

{

  char  magic[2];               /* type of file                         */

  char  vstamp[2];              /* version stamp                        */

  char  tsize[4];               /* text size in bytes, padded to FW bdry*/

  char  dsize[4];               /* initialized data "  "                */

  char  bsize[4];               /* uninitialized data "   "             */

  char  entry[4];               /* entry pt.                            */

  char  text_start[4];          /* base of text used for this file */

  char  data_start[4];          /* base of data used for this file */

}

AOUTHDR;

/* compute size of a header */

#define AOUTSZ 28

#define AOUTHDRSZ 28

/********************** SECTION HEADER **********************/

struct external_scnhdr

{

  char          s_name[8];      /* section name                 */

  char          s_paddr[4];     /* physical address, aliased s_nlib */

  char          s_vaddr[4];     /* virtual address              */

  char          s_size[4];      /* section size                 */

  char          s_scnptr[4];    /* file ptr to raw data for section */

  char          s_relptr[4];    /* file ptr to relocation       */

  char          s_lnnoptr[4];   /* file ptr to line numbers     */

  char          s_nreloc[4];    /* number of relocation entries */

  char          s_nlnno[4];     /* number of line number entries*/

  char          s_flags[4];     /* flags                        */

};

#define SCNHDR  struct external_scnhdr

#define SCNHSZ  44

/*

 * names of "special" sections

 */

#define _TEXT   ".text"

#define _DATA   ".data"

#define _BSS    ".bss"

#define _COMMENT ".comment"

/********************** LINE NUMBERS **********************/

/* 1 line number entry for every "breakpointable" source line in a section.

 * Line numbers are grouped on a per function basis; first entry in a function

 * grouping will have l_lnno = 0 and in place of physical address will be the

 * symbol table index of the function name.

 */

struct external_lineno{

        union {

                char l_symndx[4];       /* function name symbol index, iff l_lnno == 0*/

                char l_paddr[4];        /* (physical) address of line number    */

        } l_addr;

        char l_lnno[4];

};

#define LINENO  struct external_lineno

#define LINESZ  8

/********************** SYMBOLS **********************/

#define E_SYMNMLEN      8       /* # characters in a symbol name        */

#define E_FILNMLEN      14      /* # characters in a file name          */

#define E_DIMNUM        4       /* # array dimensions in auxiliary entry */

struct external_syment

{

  union {

    char e_name[E_SYMNMLEN];

    struct {

      char e_zeroes[4];

      char e_offset[4];

    } e;

  } e;

  char e_value[4];

  char e_scnum[2];

  char e_type[2];

  char e_sclass[1];

  char e_numaux[1];

  char pad2[2];

};

#define N_BTMASK        017

#define N_TMASK         060

#define N_BTSHFT        4

#define N_TSHIFT        2

/* Note that this isn't the same shape as other coffs */

union external_auxent {

  struct {

    char x_tagndx[4];           /* str, un, or enum tag indx */

    /* 4 */

    union {

      char x_fsize[4];          /* size of function */

      struct {

        char  x_lnno[4];        /* declaration line number */

        char  x_size[4];        /* str/union/array size */

      } x_lnsz;

    } x_misc;

    /* 12 */

    union {

      struct {                  /* if ISFCN, tag, or .bb */

        char x_lnnoptr[4];      /* ptr to fcn line # */

        char x_endndx[4];               /* entry ndx past block end */

      } x_fcn;

      struct {                  /* if ISARY, up to 4 dimen. */

        char x_dimen[E_DIMNUM][2];

      } x_ary;

    } x_fcnary;

    /* 20 */

  } x_sym;

  union {

    char x_fname[E_FILNMLEN];

    struct {

      char x_zeroes[4];

      char x_offset[4];

    } x_n;

  } x_file;

  struct {

    char x_scnlen[4];           /* section length */

    char x_nreloc[4];           /* # relocation entries */

    char x_nlinno[4];           /* # line numbers */

  } x_scn;

  struct {

    char x_tvfill[4];           /* tv fill value */

    char x_tvlen[2];            /* length of .tv */

    char x_tvran[2][2];         /* tv range */

  } x_tv;                       /* info about .tv section (in auxent of symbol .tv)) */

};

#define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *)ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)

#define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx)

#define PUT_FCN_LNNOPTR(abfd, in, ext)  bfd_h_put_32(abfd,  in, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)

#define PUT_FCN_ENDNDX(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)   ext->x_sym.x_fcnary.x_fcn.x_endndx)

#define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)

#define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)

#define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)

#define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)

#define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen)

#define GET_SCN_NRELOC(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nreloc)

#define GET_SCN_NLINNO(abfd, ext)  bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nlinno)

#define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen)

#define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc)

#define PUT_SCN_NLINNO(abfd,in, ext)  bfd_h_put_32(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno)

#define GET_LINENO_LNNO(abfd, ext)  bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno))

#define PUT_LINENO_LNNO(abfd,val, ext)  bfd_h_put_32(abfd,val,  (bfd_byte *) (ext->l_lnno));

#define SYMENT  struct external_syment

#define SYMESZ  20

#define AUXENT  union external_auxent

#define AUXESZ  20

/********************** RELOCATION DIRECTIVES **********************/

struct external_reloc {

  char r_vaddr[4];

  char r_symndx[4];

  char r_type[2];

  char r_offset[2];

};

#define RELOC struct external_reloc

#define RELSZ  12

#define NO_TVNDX