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Annotation of coherent/a/usr/include.b4ps2/coff/filehdr.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * COFF file header.
        !             3:  */
        !             4: 
        !             5: struct filehdr {
        !             6:        unsigned short  f_magic;        /* magic number */
        !             7:        unsigned short  f_nscns;        /* number of sections */
        !             8:        long            f_timdat;       /* time & date stamp */
        !             9:        long            f_symptr;       /* file pointer to symtab */
        !            10:        long            f_nsyms;        /* number of symtab entries */
        !            11:        unsigned short  f_opthdr;       /* sizeof(optional hdr) */
        !            12:        unsigned short  f_flags;        /* flags */
        !            13:        };
        !            14: 
        !            15: 
        !            16: /*
        !            17:  *   Bits for f_flags:
        !            18:  *
        !            19:  *     F_RELFLG        relocation info stripped from file
        !            20:  *     F_EXEC          file is executable  (i.e. no unresolved
        !            21:  *                             externel references)
        !            22:  *     F_LNNO          line nunbers stripped from file
        !            23:  *     F_LSYMS         local symbols stripped from file
        !            24:  *     F_MINMAL        this is a minimal object file (".m") output of fextract
        !            25:  *     F_UPDATE        this is a fully bound update file, output of ogen
        !            26:  *     F_SWABD         this file has had its bytes swabbed (in names)
        !            27:  *     F_AR16WR        this file has the byte ordering of an AR16WR (e.g. 11/70) machine
        !            28:  *                             (it was created there, or was produced by conv)
        !            29:  *     F_AR32WR        this file has the byte ordering of an AR32WR machine(e.g. vax)
        !            30:  *     F_AR32W         this file has the byte ordering of an AR32W machine (e.g. 3b,maxi)
        !            31:  *     F_PATCH         file contains "patch" list in optional header
        !            32:  *     F_NODF          (minimal file only) no decision functions for
        !            33:  *                             replaced functions
        !            34:  */
        !            35: 
        !            36: #define  F_RELFLG      0000001
        !            37: #define  F_EXEC                0000002
        !            38: #define  F_LNNO                0000004
        !            39: #define  F_LSYMS       0000010
        !            40: #define  F_MINMAL      0000020
        !            41: #define  F_UPDATE      0000040
        !            42: #define  F_SWABD       0000100
        !            43: #define  F_AR16WR      0000200
        !            44: #define  F_AR32WR      0000400
        !            45: #define  F_AR32W       0001000
        !            46: #define  F_PATCH       0002000
        !            47: #define  F_NODF                0002000
        !            48: 
        !            49: /*
        !            50:  *     BELLMAC-32      Identification field
        !            51:  *     F_BM32B         file contains BM32B code (as opposed to strictly BM32A)
        !            52:  *     F_BM32MAU       file requires MAU (math arith unit) to execute
        !            53:  */
        !            54: 
        !            55: #define        F_BM32ID        0160000
        !            56: #define        F_BM32MAU       0040000
        !            57: #define F_BM32B         0020000
        !            58: 
        !            59: /*     F_BM32RST       file has RESTORE work-around    */
        !            60: 
        !            61: #define F_BM32RST      0010000
        !            62: 
        !            63: /*
        !            64:  *     Flags for the INTEL chips.  If the magic number of the object file
        !            65:  *     is IAPX16 or IAPX16TV or IAPX20 or IAPX20TV then if F_80186
        !            66:  *     is set, there are some 80186 instructions in the code, and hence
        !            67:  *     and 80186 or 80286 chip must be used to run the code.
        !            68:  *     If F_80286 is set, then the code has to be run on an 80286 chip.
        !            69:  *     And if neither are set, then the code can run on an 8086, 80186, or
        !            70:  *     80286 chip.
        !            71:  *     
        !            72:  */
        !            73: 
        !            74: #define F_80186                010000
        !            75: #define F_80286                020000
        !            76: 
        !            77: /*
        !            78:  *   Magic Numbers
        !            79:  */
        !            80: 
        !            81:        /* iAPX - the stack frame and return registers differ from
        !            82:         *        Basic-16 and x86 C compilers, hence new magic numbers
        !            83:         *        are required.  These are cross compilers.
        !            84:         */
        !            85: 
        !            86:        /* Intel */
        !            87: #define  IAPX16                0504
        !            88: #define  IAPX16TV      0505
        !            89: #define  IAPX20                0506
        !            90: #define  IAPX20TV      0507
        !            91: /* 0514, 0516 and 0517 reserved for Intel */
        !            92: 
        !            93:        /* Basic-16 */
        !            94: 
        !            95: #define  B16MAGIC      0502
        !            96: #define  BTVMAGIC      0503
        !            97: 
        !            98: 
        !            99:        /* x86 */
        !           100: 
        !           101: #define  X86MAGIC      0510
        !           102: #define  XTVMAGIC      0511
        !           103: 
        !           104:        /* Intel 286 */
        !           105: #define I286SMAGIC     0512
        !           106: #define I286LMAGIC     0522    /* used by mc68000 (UNIX PC) and iAPX 286 */
        !           107: 
        !           108:        /* Intel 386 */
        !           109: 
        !           110: #define  I386MAGIC     0514
        !           111: 
        !           112:        /* n3b */
        !           113: /*
        !           114:  *   NOTE:   For New 3B, the old values of magic numbers
        !           115:  *             will be in the optional header in the structure
        !           116:  *             "aouthdr" (identical to old 3B aouthdr).
        !           117:  */
        !           118: #define  N3BMAGIC      0550    /* 3B20 executable, no TV */
        !           119: #define  NTVMAGIC      0551    /* 3B20 executable with TV */
        !           120: 
        !           121:        /*  MAC-32, 3B15, 3B5  */
        !           122: 
        !           123: #define  WE32MAGIC     0560    /* WE 32000, no TV */
        !           124: #define  FBOMAGIC      0560    /* WE 32000, no TV */
        !           125: #define  RBOMAGIC      0562    /* reserved for WE 32000 */
        !           126: #define  MTVMAGIC      0561    /* WE 32000 with TV */
        !           127: 
        !           128: 
        !           129:        /* VAX 11/780 and VAX 11/750 */
        !           130: 
        !           131:                        /* writeable text segments */
        !           132: #define VAXWRMAGIC     0570
        !           133:                        /* readonly sharable text segments */
        !           134: #define VAXROMAGIC     0575
        !           135: 
        !           136:        /* pdp11 */
        !           137: /*                     0401    UNIX-rt ldp */
        !           138: /*                     0405    pdp11 overlay */
        !           139: /*                     0407    pdp11/pre System V vax executable */
        !           140: /*                     0410    pdp11/pre System V vax pure executable */
        !           141: /*                     0411    pdp11 seperate I&D */
        !           142: /*                     0437    pdp11 kernel overlay */
        !           143: 
        !           144: 
        !           145:        /* Motorola 68000/68008/68010/68020 */
        !           146: #define        MC68MAGIC       0520
        !           147: #define MC68KWRMAGIC   0520    /* writeable text segments */
        !           148: #define        MC68TVMAGIC     0521
        !           149: #define MC68KROMAGIC   0521    /* readonly shareable text segments */
        !           150: #define MC68KPGMAGIC   0522    /* demand paged text segments */
        !           151: #define        M68MAGIC        0210
        !           152: #define        M68TVMAGIC      0211
        !           153: 
        !           154: 
        !           155:        /* IBM 370 */
        !           156: #define        U370WRMAGIC     0530    /* writeble text segments       */
        !           157: #define        U370ROMAGIC     0535    /* readonly sharable text segments      */
        !           158: /* 0532 and 0533 reserved for u370 */
        !           159: 
        !           160:        /* Amdahl 470/580 */
        !           161: #define AMDWRMAGIC     0531    /* writable text segments */
        !           162: #define AMDROMAGIC     0534    /* readonly sharable text segments */
        !           163: 
        !           164:        /* NSC */
        !           165: /* 0524 and 0525 reserved for NSC */
        !           166: 
        !           167:        /* Zilog */
        !           168: /* 0544 and 0545 reserved for Zilog */
        !           169: 
        !           170: #define        FILHDR  struct filehdr
        !           171: #define        FILHSZ  sizeof(FILHDR)
        !           172: 
        !           173: #define ISCOFF(x) \
        !           174:                (((x)==B16MAGIC) || ((x)==BTVMAGIC) || ((x)==X86MAGIC) \
        !           175:                || ((x)==XTVMAGIC) || ((x)==N3BMAGIC) || ((x)==NTVMAGIC) \
        !           176:                || ((x)==FBOMAGIC) || ((x)==VAXROMAGIC) || ((x)==VAXWRMAGIC) \
        !           177:                || ((x)==RBOMAGIC) || ((x)==MC68TVMAGIC) \
        !           178:                || ((x)==MC68MAGIC) || ((x)==M68MAGIC) || ((x)==M68TVMAGIC) \
        !           179:                || ((x)==IAPX16) || ((x)==IAPX16TV) \
        !           180:                || ((x)==IAPX20) || ((x)==IAPX20TV) \
        !           181:                || ((x)==U370WRMAGIC) || ((x)==U370ROMAGIC) || ((x)==MTVMAGIC) \
        !           182:                || ((x)==I286SMAGIC) || ((x)==I286LMAGIC) \
        !           183:                || ((x)==MC68KWRMAGIC) || ((x)==MC68KROMAGIC) \
        !           184:                || ((x)==MC68KPGMAGIC) \
        !           185:                || ((x)==I386MAGIC))

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