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/* Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>

 *                     The Silver Hammer Group, Ltd.

 *

 */

#ifndef _LINUX_FLAT_H

#define _LINUX_FLAT_H

struct flat_hdr {

        char magic[4];

        unsigned long rev;

        unsigned long entry; /* Offset of first executable instruction with text segment from beginning of file*/

        unsigned long data_start; /* Offset of data segment from beginning of file*/

        unsigned long data_end; /* Offset of end of data segment from beginning of file*/

        unsigned long bss_end; /* Offset of end of bss segment from beginning of file*/

                                /* (It is assumed that data_end through bss_end forms the

                                    bss segment.) */

        unsigned long stack_size; /* Size of stack, in bytes */

        unsigned long reloc_start; /* Offset of relocation records from beginning of file */

        unsigned long reloc_count; /* Number of relocation records */

        unsigned long flags;

        unsigned long filler[6]; /* 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 {

        unsigned long value;

};

#define FR_TEXTBIT ( 1 << 31 )

#define FR_TEXT(rel) ((rel) & FR_TEXTBIT)

#define FR_OFFSET(rel) (((rel) & ~FR_TEXTBIT) >> 2)

#define FR_TYPE(rel) ((rel) & 3)

#define FLAT_FLAG_RAM  0x0001    /* program should be loaded entirely into RAM */

#endif /* _LINUX_FLAT_H */