/* coff information for 88k bcs

   Copyright (C) 2001-2018 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 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.  */

#define DO_NOT_DEFINE_SCNHDR

#define L_LNNO_SIZE 4

#define DO_NOT_DEFINE_SYMENT

#define DO_NOT_DEFINE_AUXENT

#include "coff/external.h"

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

#define PAGEMAGICBCS 0413

/********************** 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"

/********************** 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_LNSZ_SIZE(abfd, ext) \

  H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_size)

#define GET_LNSZ_LNNO(abfd, ext) \

  H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno)

#define PUT_LNSZ_LNNO(abfd, in, ext) \

  H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_lnno)

#define PUT_LNSZ_SIZE(abfd, in, ext) \

  H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_size)

#define GET_SCN_NRELOC(abfd, ext) \

  H_GET_32 (abfd, ext->x_scn.x_nreloc)

#define GET_SCN_NLINNO(abfd, ext) \

  H_GET_32 (abfd, ext->x_scn.x_nlinno)

#define PUT_SCN_NRELOC(abfd, in, ext) \

  H_PUT_32 (abfd, in, ext->x_scn.x_nreloc)

#define PUT_SCN_NLINNO(abfd, in, ext) \

  H_PUT_32 (abfd,in, ext->x_scn.x_nlinno)

#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