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/*
 * static char ID_filhdrh[] = "@(#)filehdr.h	1.8.1.2 6/13/84";
 */

struct filehdr {
	unsigned short	f_magic;	/* magic number */
	unsigned short	f_nscns;	/* number of sections */
	long		f_timdat;	/* time & date stamp */
	long		f_symptr;	/* file pointer to symtab */
	long		f_nsyms;	/* number of symtab entries */
	unsigned short	f_opthdr;	/* sizeof(optional hdr) */
	unsigned short	f_flags;	/* flags */
	};


/*
 *   Bits for f_flags:
 *
 *	F_RELFLG	relocation info stripped from file
 *	F_EXEC		file is executable  (i.e. no unresolved
 *				externel references)
 *	F_LNNO		line nunbers stripped from file
 *	F_LSYMS		local symbols stripped from file
 *	F_MINMAL	this is a minimal object file (".m") output of fextract
 *	F_UPDATE	this is a fully bound update file, output of ogen
 *	F_SWABD		this file has had its bytes swabbed (in names)
 *	F_AR16WR	this file has the byte ordering of an AR16WR (e.g. 11/70) machine
 *				(it was created there, or was produced by conv)
 *	F_AR32WR	this file has the byte ordering of an AR32WR machine(e.g. vax)
 *	F_AR32W		this file has the byte ordering of an AR32W machine (e.g. 3b,maxi)
 *	F_PATCH		file contains "patch" list in optional header
 *	F_NODF		(minimal file only) no decision functions for
 *				replaced functions
 */

#define  F_RELFLG	0000001
#define  F_EXEC		0000002
#define  F_LNNO		0000004
#define  F_LSYMS	0000010
#define  F_MINMAL	0000020
#define  F_UPDATE	0000040
#define  F_SWABD	0000100
#define  F_AR16WR	0000200
#define  F_AR32WR	0000400
#define  F_AR32W	0001000
#define  F_PATCH	0002000
#define  F_NODF		0002000

/*
 *	BELLMAC-32	Identification field
 *	F_BM32B		file contains BM32B code (as opposed to strictly BM32A)
 */
#define  F_BM32ID	0160000
#define F_BM32B         0020000
#define F_BM32RST       0010000

/*
 *   Magic Numbers
 */

	/* Basic-16 */

#define  B16MAGIC	0502
#define  BTVMAGIC	0503

	/* x86 */

#define  X86MAGIC	0510
#define  XTVMAGIC	0511

	/* n3b */
/*
 *   NOTE:   For New 3B, the old values of magic numbers
 *		will be in the optional header in the structure
 *		"aouthdr" (identical to old 3B aouthdr).
 */
#define  N3BMAGIC	0550
#define  NTVMAGIC	0551

	/*  XL  */
#define	 XLMAGIC	0540

	/*  MAC-32   3b-5  */

#define  FBOMAGIC	0560
#define  RBOMAGIC	0562
#define  MTVMAGIC	0561


	/* VAX 11/780 and VAX 11/750 */

			/* writeable text segments */
#define VAXWRMAGIC	0570
			/* readonly sharable text segments */
#define VAXROMAGIC	0575


	/* Motorola 68000 */
#define	MC68MAGIC	0520
#define	MC68TVMAGIC	0521
#define	M68MAGIC	0210
#define	M68TVMAGIC	0211


	/* IBM 370 */
#define	U370WRMAGIC	0530	/* writeble text segments	*/
#define	U370ROMAGIC	0535	/* readonly sharable text segments	*/

#define	FILHDR	struct filehdr
#define	FILHSZ	sizeof(FILHDR)

#define ISCOFF(x) \
		(((x)==B16MAGIC) || ((x)==BTVMAGIC) || ((x)==X86MAGIC) \
		|| ((x)==XTVMAGIC) || ((x)==N3BMAGIC) || ((x)==NTVMAGIC) \
		|| ((x)==FBOMAGIC) || ((x)==VAXROMAGIC) || ((x)==VAXWRMAGIC) \
		|| ((x)==XLMAGIC) || ((x)==RBOMAGIC) || ((x)==MC68TVMAGIC) \
		|| ((x)==MC68MAGIC) || ((x)==M68MAGIC) || ((x)==M68TVMAGIC) \
		|| ((x)==U370WRMAGIC) || ((x)==U370ROMAGIC) || ((x)==MTVMAGIC))

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