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