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607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
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* Copyright (C) 2002-2003 David McCullough <davidm@snapgear.com>
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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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* 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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