symbian-qemu-0.9.1-12/qemu-symbian-svp/linux-user/flat.h
author cdavies@GUAR
Tue, 26 Jan 2010 13:03:40 +0000
branchphonesim-integ
changeset 36 a587897e3bb2
parent 1 2fb8b9db1c86
permissions -rw-r--r--
start phonesim-integ
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/*
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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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#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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	abi_ulong rev;          /* version (as above) */
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	abi_ulong entry;        /* Offset of first executable instruction
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                                   with text segment from beginning of file */
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	abi_ulong data_start;   /* Offset of data segment from beginning of
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                                   file */
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	abi_ulong data_end;     /* Offset of end of data segment
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                                   from beginning of file */
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	abi_ulong 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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	abi_ulong stack_size;   /* Size of stack, in bytes */
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	abi_ulong reloc_start;  /* Offset of relocation records from
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                                   beginning of file */
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	abi_ulong reloc_count;  /* Number of relocation records */
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	abi_ulong flags;
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	abi_ulong build_date;   /* When the program/library was built */
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	abi_ulong 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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/*
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 * While it would be nice to keep this header clean,  users of older
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 * tools still need this support in the kernel.  So this section is
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 * purely for compatibility with old tool chains.
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 *
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 * DO NOT make changes or enhancements to the old format please,  just work
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 *        with the format above,  except to fix bugs with old format support.
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 */
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#define	OLD_FLAT_VERSION			0x00000002L
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#define OLD_FLAT_RELOC_TYPE_TEXT	0
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#define OLD_FLAT_RELOC_TYPE_DATA	1
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#define OLD_FLAT_RELOC_TYPE_BSS		2
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#   	define OLD_FLAT_FLAG_RAM    0x1 /* load program entirely into RAM */