50 lines
1.4 KiB
C
Executable File
50 lines
1.4 KiB
C
Executable File
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/* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
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* The Silver Hammer Group, Ltd.
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*/
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#ifndef _LINUX_FLAT_H
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#define _LINUX_FLAT_H
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#include <asm/byteorder.h>
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struct flat_hdr {
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char magic[4];
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unsigned long rev;
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unsigned long entry; /* Offset of first executable instruction with text segment from beginning of file*/
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unsigned long data_start; /* Offset of data segment from beginning of file*/
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unsigned long data_end; /* Offset of end of data segment from beginning of file*/
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unsigned long bss_end; /* Offset of end of bss segment from beginning of file*/
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/* (It is assumed that data_end through bss_end forms the
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bss segment.) */
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unsigned long stack_size; /* Size of stack, in bytes */
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unsigned long reloc_start; /* Offset of relocation records from beginning of file */
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unsigned long reloc_count; /* Number of relocation records */
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unsigned long flags;
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unsigned long filler[6]; /* Reservered, set to zero */
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};
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#define FLAT_RELOC_TYPE_TEXT 0
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#define FLAT_RELOC_TYPE_DATA 1
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#define FLAT_RELOC_TYPE_BSS 2
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struct flat_reloc {
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#if defined(__BIG_ENDIAN_BITFIELD) /* bit fields, ugh ! */
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unsigned long type : 2;
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signed long offset : 30;
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#elif defined(__LITTLE_ENDIAN_BITFIELD)
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signed long offset : 30;
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unsigned long type : 2;
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#else
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#error "Unknown bitfield order for flat files."
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#endif
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};
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#define FLAT_FLAG_RAM 0x0001 /* program should be loaded entirely into RAM */
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#endif /* _LINUX_FLAT_H */
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