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58 lines
2.1 KiB
58 lines
2.1 KiB
/* |
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* Copyright (C) 2002-2003 David McCullough <[email protected]> |
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* Copyright (C) 1998 Kenneth Albanowski <[email protected]> |
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* The Silver Hammer Group, Ltd. |
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* |
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* This file provides the definitions and structures needed to |
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* support uClinux flat-format executables. |
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*/ |
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#ifndef _UAPI_LINUX_FLAT_H |
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#define _UAPI_LINUX_FLAT_H |
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#define FLAT_VERSION 0x00000004L |
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#ifdef CONFIG_BINFMT_SHARED_FLAT |
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#define MAX_SHARED_LIBS (4) |
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#else |
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#define MAX_SHARED_LIBS (1) |
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#endif |
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/* |
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* To make everything easier to port and manage cross platform |
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* development, all fields are in network byte order. |
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*/ |
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struct flat_hdr { |
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char magic[4]; |
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unsigned long rev; /* version (as above) */ |
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unsigned long entry; /* Offset of first executable instruction |
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with text segment from beginning of file */ |
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unsigned long data_start; /* Offset of data segment from beginning of |
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file */ |
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unsigned long data_end; /* Offset of end of data segment |
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from beginning of file */ |
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unsigned long bss_end; /* Offset of end of bss segment from beginning |
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of file */ |
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/* (It is assumed that data_end through bss_end forms the 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 |
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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 build_date; /* When the program/library was built */ |
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unsigned long filler[5]; /* Reservered, set to zero */ |
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}; |
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#define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */ |
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#define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */ |
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#define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */ |
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#define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */ |
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#define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */ |
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#endif /* _UAPI_LINUX_FLAT_H */
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