struct coffsect{	char	name[8];	ulong	phys;	ulong	virt;	ulong	size;	ulong	fptr;	ulong	fptrreloc;	ulong	fptrlineno;	ulong	nrelocnlineno;	ulong	flags;}; /* * proprietary exec headers, needed to bootstrap various machines */struct mipsexec{	short	mmagic;		/* (0x160) mips magic number */	short	nscns;		/* (unused) number of sections */	long	timdat;		/* (unused) time & date stamp */	long	symptr;		/* offset to symbol table */	long	nsyms;		/* size of symbol table */	short	opthdr;		/* (0x38) sizeof(optional hdr) */	short	pcszs;		/* flags */	short	amagic;		/* see above */	short	vstamp;		/* version stamp */	long	tsize;		/* text size in bytes */	long	dsize;		/* initialized data */	long	bsize;		/* uninitialized data */	long	mentry;		/* entry pt.				*/	long	text_start;	/* base of text used for this file	*/	long	data_start;	/* base of data used for this file	*/	long	bss_start;	/* base of bss used for this file	*/	long	gprmask;	/* general purpose register mask	*/union{	long	cprmask[4];	/* co-processor register masks		*/	long	pcsize;};	long	gp_value;	/* the gp value used for this object    */}; struct mips4kexec{	struct mipsexec	h;	struct coffsect	itexts;	struct coffsect idatas;	struct coffsect ibsss;}; struct sparcexec{	short	sjunk;		/* dynamic bit and version number */	short	smagic;		/* 0407 */	ulong	stext;	ulong	sdata;	ulong	sbss;	ulong	ssyms;	ulong	sentry;	ulong	strsize;	ulong	sdrsize;}; struct nextexec{	struct	nexthdr{		ulong	nmagic;		ulong	ncputype;		ulong	ncpusubtype;		ulong	nfiletype;		ulong	ncmds;		ulong	nsizeofcmds;		ulong	nflags;	}; 	struct nextcmd{		ulong	cmd;		ulong	cmdsize;		uchar	segname[16];		ulong	vmaddr;		ulong	vmsize;		ulong	fileoff;		ulong	filesize;		ulong	maxprot;		ulong	initprot;		ulong	nsects;		ulong	flags;	}textc;	struct nextsect{		char	sectname[16];		char	segname[16];		ulong	addr;		ulong	size;		ulong	offset;		ulong	align;		ulong	reloff;		ulong	nreloc;		ulong	flags;		ulong	reserved1;		ulong	reserved2;	}texts;	struct nextcmd	datac;	struct nextsect	datas;	struct nextsect	bsss;	struct nextsym{		ulong	cmd;		ulong	cmdsize;		ulong	symoff;		ulong	nsyms;		ulong	spoff;		ulong	pcoff;	}symc;}; struct i386exec{	struct	i386coff{		ulong	isectmagic;		ulong	itime;		ulong	isyms;		ulong	insyms;		ulong	iflags;	};	struct	i386hdr{		ulong	imagic;		ulong	itextsize;		ulong	idatasize;		ulong	ibsssize;		ulong	ientry;		ulong	itextstart;		ulong	idatastart;	};	struct coffsect	itexts;	struct coffsect idatas;	struct coffsect ibsss;	struct coffsect icomments;};