1/*
2 * Copyright (C) 2002-2003  David McCullough <davidm@snapgear.com>
3 * Copyright (C) 1998       Kenneth Albanowski <kjahds@kjahds.com>
4 *                          The Silver Hammer Group, Ltd.
5 *
6 * This file provides the definitions and structures needed to
7 * support uClinux flat-format executables.
8 */
9#ifndef _LINUX_FLAT_H
10#define _LINUX_FLAT_H
11
12#include <asm/flat.h>
13#include <uapi/linux/flat.h>
14
15/*
16 * While it would be nice to keep this header clean,  users of older
17 * tools still need this support in the kernel.  So this section is
18 * purely for compatibility with old tool chains.
19 *
20 * DO NOT make changes or enhancements to the old format please,  just work
21 *        with the format above,  except to fix bugs with old format support.
22 */
23
24#include <asm/byteorder.h>
25
26#define	OLD_FLAT_VERSION			0x00000002L
27#define OLD_FLAT_RELOC_TYPE_TEXT	0
28#define OLD_FLAT_RELOC_TYPE_DATA	1
29#define OLD_FLAT_RELOC_TYPE_BSS		2
30
31typedef union {
32	unsigned long	value;
33	struct {
34# if defined(mc68000) && !defined(CONFIG_COLDFIRE)
35		signed long offset : 30;
36		unsigned long type : 2;
37#   	define OLD_FLAT_FLAG_RAM    0x1 /* load program entirely into RAM */
38# elif defined(__BIG_ENDIAN_BITFIELD)
39		unsigned long type : 2;
40		signed long offset : 30;
41#   	define OLD_FLAT_FLAG_RAM    0x1 /* load program entirely into RAM */
42# elif defined(__LITTLE_ENDIAN_BITFIELD)
43		signed long offset : 30;
44		unsigned long type : 2;
45#   	define OLD_FLAT_FLAG_RAM    0x1 /* load program entirely into RAM */
46# else
47#   	error "Unknown bitfield order for flat files."
48# endif
49	} reloc;
50} flat_v2_reloc_t;
51
52#endif /* _LINUX_FLAT_H */
53