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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#ifndef _LINUX_FLAT_H
10#define _LINUX_FLAT_H
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include <asm/flat.h>
David Howells607ca462012-10-13 10:46:48 +010013#include <uapi/linux/flat.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
Linus Torvalds1da177e2005-04-16 15:20:36 -070015/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#endif /* _LINUX_FLAT_H */