fltstruc.h

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/* 
 *      HT Editor
 *      fltstruc.h
 *
 *      Copyright (C) 2003 Sebastian Biallas (sb@biallas.net)
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __FLTSTRUC_H__
#define __FLTSTRUC_H__

#include "global.h"

#define FLTMAG0 'b'
#define FLTMAG1 'F'
#define FLTMAG2 'L'
#define FLTMAG3 'T'

struct flat_hdr {
        byte magic[4];                  /* bFLT magic */
        dword version;                  /* binfmt_flat version */
        dword entry;                    /* Offset of first executable instruction with text segment from beginning of file*/
        dword data_start;               /* Offset of data segment from beginning of file*/
        dword data_end;                 /* Offset of end of data segment from beginning of file*/
        dword bss_end;                  /* Offset of end of bss segment from beginning of file*/
                                        /* (It is assumed that data_end through bss_end for bss segment.) */
        dword stack_size;               /* Size of stack, in bytes */
        dword reloc_start;              /* Offset of relocation records from beginning of file */
        dword reloc_count;              /* Number of relocation records */
        dword filler[7];                /* Reservered, set to zero */
};

#define FLAT_RELOC_TYPE_TEXT 0
#define FLAT_RELOC_TYPE_DATA 1
#define FLAT_RELOC_TYPE_BSS 2

struct flat_reloc {
        dword value; /* 2: type, 30: offset */
};

extern byte FLAT_HEADER_struct[20];

#endif /* __FLTSTRUC_H__ */

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