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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [include/] [coff/] [m88k.h] - Blame information for rev 25

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1 25 jlechner
/* coff information for 88k bcs
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   Copyright 2001 Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
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#define DO_NOT_DEFINE_SCNHDR
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#define L_LNNO_SIZE 4
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#define DO_NOT_DEFINE_SYMENT
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#define DO_NOT_DEFINE_AUXENT
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#include "coff/external.h"
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#define MC88MAGIC  0540           /* 88k BCS executable */
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#define MC88DMAGIC 0541           /* DG/UX executable   */
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#define MC88OMAGIC 0555           /* Object file        */
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#define MC88BADMAG(x) (((x).f_magic != MC88MAGIC) \
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                    && ((x).f_magic != MC88DMAGIC) \
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                    && ((x).f_magic != MC88OMAGIC))
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#define PAGEMAGIC3   0414 /* Split i&d, zero mapped */
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#define PAGEMAGICBCS 0413
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/********************** SECTION HEADER **********************/
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struct external_scnhdr
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{
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  char          s_name[8];      /* section name                 */
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  char          s_paddr[4];     /* physical address, aliased s_nlib */
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  char          s_vaddr[4];     /* virtual address              */
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  char          s_size[4];      /* section size                 */
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  char          s_scnptr[4];    /* file ptr to raw data for section */
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  char          s_relptr[4];    /* file ptr to relocation       */
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  char          s_lnnoptr[4];   /* file ptr to line numbers     */
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  char          s_nreloc[4];    /* number of relocation entries */
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  char          s_nlnno[4];     /* number of line number entries*/
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  char          s_flags[4];     /* flags                        */
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};
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#define SCNHDR  struct external_scnhdr
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#define SCNHSZ  44
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/* Names of "special" sections.  */
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#define _TEXT   ".text"
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#define _DATA   ".data"
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#define _BSS    ".bss"
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#define _COMMENT ".comment"
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/********************** SYMBOLS **********************/
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#define E_SYMNMLEN      8       /* # characters in a symbol name        */
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#define E_FILNMLEN      14      /* # characters in a file name          */
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#define E_DIMNUM        4       /* # array dimensions in auxiliary entry */
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struct external_syment
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{
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  union
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  {
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    char e_name[E_SYMNMLEN];
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    struct
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    {
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      char e_zeroes[4];
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      char e_offset[4];
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    } e;
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  } e;
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  char e_value[4];
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  char e_scnum[2];
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  char e_type[2];
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  char e_sclass[1];
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  char e_numaux[1];
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  char pad2[2];
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};
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#define N_BTMASK        017
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#define N_TMASK         060
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#define N_BTSHFT        4
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#define N_TSHIFT        2
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/* Note that this isn't the same shape as other coffs */
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union external_auxent
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{
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  struct
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  {
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    char x_tagndx[4];           /* str, un, or enum tag indx */
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    /* 4 */
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    union
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    {
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      char x_fsize[4];          /* size of function */
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      struct
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      {
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        char  x_lnno[4];        /* declaration line number */
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        char  x_size[4];        /* str/union/array size */
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      } x_lnsz;
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    } x_misc;
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    /* 12 */
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    union
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    {
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      struct                    /* if ISFCN, tag, or .bb */
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      {
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        char x_lnnoptr[4];      /* ptr to fcn line # */
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        char x_endndx[4];               /* entry ndx past block end */
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      } x_fcn;
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      struct                    /* if ISARY, up to 4 dimen. */
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      {
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        char x_dimen[E_DIMNUM][2];
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      } x_ary;
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    } x_fcnary;
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    /* 20 */
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  } x_sym;
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  union
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  {
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    char x_fname[E_FILNMLEN];
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    struct
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    {
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      char x_zeroes[4];
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      char x_offset[4];
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    } x_n;
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  } x_file;
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  struct
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  {
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    char x_scnlen[4];           /* section length */
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    char x_nreloc[4];           /* # relocation entries */
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    char x_nlinno[4];           /* # line numbers */
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  } x_scn;
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  struct
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  {
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    char x_tvfill[4];           /* tv fill value */
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    char x_tvlen[2];            /* length of .tv */
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    char x_tvran[2][2];         /* tv range */
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  } x_tv;                       /* info about .tv section (in auxent of symbol .tv)) */
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};
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#define GET_LNSZ_SIZE(abfd, ext) \
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  H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_size)
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#define GET_LNSZ_LNNO(abfd, ext) \
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  H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno)
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#define PUT_LNSZ_LNNO(abfd, in, ext) \
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  H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_lnno)
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#define PUT_LNSZ_SIZE(abfd, in, ext) \
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  H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_size)
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#define GET_SCN_NRELOC(abfd, ext) \
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  H_GET_32 (abfd, ext->x_scn.x_nreloc)
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#define GET_SCN_NLINNO(abfd, ext) \
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  H_GET_32 (abfd, ext->x_scn.x_nlinno)
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#define PUT_SCN_NRELOC(abfd, in, ext) \
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  H_PUT_32 (abfd, in, ext->x_scn.x_nreloc)
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#define PUT_SCN_NLINNO(abfd, in, ext) \
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  H_PUT_32 (abfd,in, ext->x_scn.x_nlinno)
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#define SYMENT  struct external_syment
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#define SYMESZ  20
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#define AUXENT  union external_auxent
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#define AUXESZ  20
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/********************** RELOCATION DIRECTIVES **********************/
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struct external_reloc
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{
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  char r_vaddr[4];
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  char r_symndx[4];
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  char r_type[2];
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  char r_offset[2];
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};
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#define RELOC struct external_reloc
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#define RELSZ  12
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#define NO_TVNDX

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