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PC World Komputer 1999 March B
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filehdr.h
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C/C++ Source or Header
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1998-08-19
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6KB
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189 lines
/*
* Copyright (c) 1998 The Santa Cruz Operation, Inc.. All Rights Reserved.
*
* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF THE
* SANTA CRUZ OPERATION INC.
*
* The copyright notice above does not evidence any actual or intended
* publication of such source code.
*/
#ident "@(#)sgs-head:i386/head/filehdr.h 1.25"
#ifndef _FILEHDR_H
#define _FILEHDR_H
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_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)
* F_BM32MAU file requires MAU (math arith unit) to execute
*/
#define F_BM32ID 0160000
#define F_BM32MAU 0040000
#define F_BM32B 0020000
/* F_BM32RST file has RESTORE work-around */
#define F_BM32RST 0010000
/*
* Flags for the INTEL chips. If the magic number of the object file
* is IAPX16 or IAPX16TV or IAPX20 or IAPX20TV then if F_80186
* is set, there are some 80186 instructions in the code, and hence
* and 80186 or 80286 chip must be used to run the code.
* If F_80286 is set, then the code has to be run on an 80286 chip.
* And if neither are set, then the code can run on an 8086, 80186, or
* 80286 chip.
*
*/
#define F_80186 010000
#define F_80286 020000
/*
* Magic Numbers
*/
/* iAPX - the stack frame and return registers differ from
* Basic-16 and x86 C compilers, hence new magic numbers
* are required. These are cross compilers.
*/
/* Intel */
#define IAPX16 0504
#define IAPX16TV 0505
#define IAPX20 0506
#define IAPX20TV 0507
/* 0514, 0516 and 0517 reserved for Intel */
/* Basic-16 */
#define B16MAGIC 0502
#define BTVMAGIC 0503
/* x86 */
#define X86MAGIC 0510
#define XTVMAGIC 0511
/* Intel 286 */
#define I286SMAGIC 0512
#define I286LMAGIC 0522 /* used by mc68000 (UNIX PC) and iAPX 286 */
/* Intel 386 */
#define I386MAGIC 0514
/* 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 /* 3B20 executable, no TV */
#define NTVMAGIC 0551 /* 3B20 executable with TV */
/* MAC-32, 3B15, 3B5 */
#define WE32MAGIC 0560 /* WE 32000, no TV */
#define FBOMAGIC 0560 /* WE 32000, no TV */
#define RBOMAGIC 0562 /* reserved for WE 32000 */
#define MTVMAGIC 0561 /* WE 32000 with TV */
/* VAX 11/780 and VAX 11/750 */
/* writeable text segments */
#define VAXWRMAGIC 0570
/* readonly sharable text segments */
#define VAXROMAGIC 0575
/* Motorola 68020/68030/68040 */
#define MC68MAGIC MC68MAGICV4
#define MC68MAGICV4 03146 /* AT&T UNIX System V/68 4.0 */
/* (UniSoft COFF binaries) */
#define MC68MAGICV3 0554 /* UniSoft UNIX System V/68 3.2 */
/* Motorola 88000 */
#define MC88MAGIC 0555 /* M88000 normal file */
/* IBM 370 */
#define U370WRMAGIC 0530 /* writeble text segments */
#define U370ROMAGIC 0535 /* readonly sharable text segments */
/* 0532 and 0533 reserved for u370 */
/* Amdahl 470/580 */
#define AMDWRMAGIC 0531 /* writable text segments */
#define AMDROMAGIC 0534 /* readonly sharable text segments */
/* NSC */
/* 0524 and 0525 reserved for NSC */
/* Zilog */
/* 0544 and 0545 reserved for Zilog */
/* i860 */
#define I860MAGIC 0515
#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)==RBOMAGIC) || ((x)==MC68MAGICV3) \
|| ((x)==MC68MAGICV4) || ((x)==MC88MAGIC) \
|| ((x)==IAPX16) || ((x)==IAPX16TV) \
|| ((x)==IAPX20) || ((x)==IAPX20TV) \
|| ((x)==AMDWRMAGIC) || ((x)==AMDROMAGIC) \
|| ((x)==U370WRMAGIC) || ((x)==U370ROMAGIC) || ((x)==MTVMAGIC) \
|| ((x)==I286SMAGIC) || ((x)==I286LMAGIC) \
|| ((x)==I860MAGIC) \
|| ((x)==I386MAGIC))
#endif /* _FILEHDR_H */