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Annotation of 43BSD/contrib/emacs/src/m-sequent.h, revision 1.1

1.1     ! root        1: /* m- file for SEQUENT BALANCE machines
        !             2:    Copyright (C) 1985 Richard M. Stallman.
        !             3: 
        !             4: This file is part of GNU Emacs.
        !             5: 
        !             6: GNU Emacs is distributed in the hope that it will be useful,
        !             7: but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: accepts responsibility to anyone for the consequences of using it
        !             9: or for whether it serves any particular purpose or works at all,
        !            10: unless he says so in writing.  Refer to the GNU Emacs General Public
        !            11: License for full details.
        !            12: 
        !            13: Everyone is granted permission to copy, modify and redistribute
        !            14: GNU Emacs, but only under the conditions described in the
        !            15: GNU Emacs General Public License.   A copy of this license is
        !            16: supposed to have been given to you along with GNU Emacs so you
        !            17: can know your rights and responsibilities.  It should be in a
        !            18: file named COPYING.  Among other things, the copyright notice
        !            19: and this notice must be preserved on all copies.  */
        !            20: 
        !            21: 
        !            22: /* NOTE: this file works for DYNIX release 2.0 
        !            23:          (not tested on 1.3) on NS32000's */
        !            24: 
        !            25: /* The following three symbols give information on
        !            26:  the size of various data types.  */
        !            27: 
        !            28: #define SHORTBITS 16           /* Number of bits in a short */
        !            29: 
        !            30: #define INTBITS 32             /* Number of bits in an int */
        !            31: 
        !            32: #define LONGBITS 32            /* Number of bits in a long */
        !            33: 
        !            34: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            35:    is the most significant byte.  */
        !            36: 
        !            37: /* #define BIG_ENDIAN */
        !            38: 
        !            39: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            40:  * group of arguments and treat it as an array of the arguments.  */
        !            41: 
        !            42: /* #define NO_ARG_ARRAY */
        !            43: 
        !            44: /* Define WORD_MACHINE if addresses and such have
        !            45:  * to be corrected before they can be used as byte counts.  */
        !            46: 
        !            47: /* #define WORD_MACHINE */
        !            48: 
        !            49: /* Define how to take a char and sign-extend into an int.
        !            50:    On machines where char is signed, this is a no-op.  */
        !            51: 
        !            52: #define SIGN_EXTEND_CHAR(c) (c)
        !            53: 
        !            54: /* Now define a symbol for the cpu type, if your compiler
        !            55:    does not define it automatically:
        !            56:    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
        !            57:    are the ones defined so far.  */
        !            58: 
        !            59: /* BTW: DYNIX defines sequent, ns32000, and ns16000 (GENIX compatibility) */
        !            60: #ifndef        sequent         /* pre DYNIX 2.1 releases */
        !            61: # define sequent
        !            62: #endif
        !            63: 
        !            64: /* Use type int rather than a union, to represent Lisp_Object */
        !            65: /* This is desirable for most machines.  */
        !            66: 
        !            67: #define NO_UNION_TYPE
        !            68: 
        !            69: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
        !            70:    the 24-bit bit field into an int.  In other words, if bit fields
        !            71:    are always unsigned.
        !            72: 
        !            73:    If you use NO_UNION_TYPE, this flag does not matter.  */
        !            74: 
        !            75: #define EXPLICIT_SIGN_EXTEND
        !            76: 
        !            77: /* Data type of load average, as read out of kmem.  */
        !            78: 
        !            79: #define LOAD_AVE_TYPE unsigned long
        !            80: 
        !            81: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            82: 
        !            83: #define        FSCALE  1000.0
        !            84: #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
        !            85: 
        !            86: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            87:    Then the function dump-emacs will not be defined
        !            88:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            89: 
        !            90: /* #define CANNOT_DUMP */
        !            91: 
        !            92: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            93:    pure and impure space as loaded can vary, and even their
        !            94:    relative order cannot be relied on.
        !            95: 
        !            96:    Otherwise Emacs assumes that data space precedes text space,
        !            97:    numerically.  */
        !            98: 
        !            99: /* #define VIRT_ADDR_VARIES */
        !           100: 
        !           101: /* Define C_ALLOCA if this machine does not support a true alloca
        !           102:    and the one written in C should be used instead.
        !           103:    Define HAVE_ALLOCA to say that the system provides a properly
        !           104:    working alloca function and it should be used.
        !           105:    Define neither one if an assembler-language alloca
        !           106:    in the file alloca.s should be used.  */
        !           107: 
        !           108: /* #define C_ALLOCA */
        !           109: /* #define HAVE_ALLOCA */
        !           110: 
        !           111: /* Name of file the to look in
        !           112:    for the kernel symbol table (for load average) */
        !           113: 
        !           114: #define KERNEL_FILE "/dynix"
        !           115: 
        !           116: /* Avoids a compiler bug */
        !           117: 
        !           118: #define TAHOE_REGISTER_BUG

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