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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 */