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/* Motorola MCore support for BFD.

   Copyright (C) 1999 Free Software Foundation, Inc.

This file is part of BFD, the Binary File Descriptor library.

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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/* This file holds definitions specific to the MCore COFF/PE ABI. */

#ifndef _COFF_MORE_H

#define _COFF_MORE_H

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

#define IMAGE_REL_MCORE_ABSOLUTE                0x0000

#define IMAGE_REL_MCORE_ADDR32                  0x0001

#define IMAGE_REL_MCORE_PCREL_IMM8BY4           0x0002

#define IMAGE_REL_MCORE_PCREL_IMM11BY2          0x0003

#define IMAGE_REL_MCORE_PCREL_IMM4BY2           0x0004

#define IMAGE_REL_MCORE_PCREL_32                0x0005

#define IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2      0x0006

#define IMAGE_REL_MCORE_RVA                     0x0007

#define PEMCORE

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;

#define AOUTSZ 28

#define AOUTHDRSZ 28

#define OMAGIC          0404    /* object files, eg as output */

#define ZMAGIC          0413    /* demand load format, eg normal ld output */

#define STMAGIC         0401    /* target shlib */

#define SHMAGIC         0443    /* host   shlib */

/* From winnt.h */

#define IMAGE_NT_OPTIONAL_HDR_MAGIC        0x10b

/* Define some NT default values. */

#define NT_SECTION_ALIGNMENT 0x1000

#define NT_FILE_ALIGNMENT    0x200  

#define NT_DEF_RESERVE       0x100000

#define NT_DEF_COMMIT        0x1000

struct external_reloc

{

  char r_vaddr  [4];

  char r_symndx [4];

  char r_type   [2];

  char r_offset [4];

};

#define RELOC struct external_reloc

#define RELSZ 14

#define MCOREMAGIC      0xb00  /* I just made this up */ 

#define MCOREBADMAG(x) (((x).f_magic!= MCOREMAGIC))

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 FILHDR  struct external_filehdr

#define FILHSZ  20

#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];

};

#define N_BTMASK        0xf

#define N_TMASK         0x30

#define N_BTSHFT        4

#define N_TSHIFT        2

union external_auxent

{

  struct

  {

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

    union

    {

      struct

      {

        char  x_lnno [2];       /* declaration line number */

        char  x_size [2];       /* str/union/array size */

      } x_lnsz;

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

    } x_misc;

    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;

    char x_tvndx [2];           /* tv index */

  } 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     [2];      /* # relocation entries */

    char x_nlinno     [2];      /* # line numbers */

    char x_checksum   [4];      /* section COMDAT checksum */

    char x_associated [2];      /* COMDAT associated section index */

    char x_comdat     [1];      /* COMDAT selection number */

  } 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 SYMENT  struct external_syment

#define SYMESZ  18      

#define AUXENT  union external_auxent

#define AUXESZ  18

/* 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 [2];      /* line number          */

};

#define LINENO  struct external_lineno

#define LINESZ  6

#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));

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  [2];  /* number of relocation entries */

  char  s_nlnno   [2];  /* number of line number entries*/

  char  s_flags   [4];  /* flags                        */

};

#define SCNHDR  struct external_scnhdr

#define SCNHSZ  40

/* Names of "special" sections.  */

#define _TEXT   ".text"

#define _DATA   ".data"

#define _BSS    ".bss"

#endif /* __COFF_MCORE_H */