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/* 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
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