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Annotation of 43BSDReno/contrib/emacs-18.55/src/m-vax.h, revision 1.1

1.1     ! root        1: /* m- file for vax.
        !             2:    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
        !             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: /* The following three symbols give information on
        !            23:  the size of various data types.  */
        !            24: 
        !            25: #define SHORTBITS 16           /* Number of bits in a short */
        !            26: 
        !            27: #define INTBITS 32             /* Number of bits in an int */
        !            28: 
        !            29: #define LONGBITS 32            /* Number of bits in a long */
        !            30: 
        !            31: /* Vax is not big-endian: lowest numbered byte is least significant. */
        !            32: 
        !            33: /* #undef BIG_ENDIAN */
        !            34: 
        !            35: /* Define how to take a char and sign-extend into an int.
        !            36:    On machines where char is signed, this is a no-op.  */
        !            37: 
        !            38: #define SIGN_EXTEND_CHAR(c) (c)
        !            39: 
        !            40: /* #define vax    -- appears to be done automatically  */
        !            41: 
        !            42: /* Use type int rather than a union, to represent Lisp_Object */
        !            43: 
        !            44: #define NO_UNION_TYPE
        !            45: 
        !            46: /* crt0.c should use the vax-bsd style of entry, with no dummy args.  */
        !            47: 
        !            48: #define CRT0_DUMMIES
        !            49: 
        !            50: /* crt0.c should define a symbol `start' and do .globl with a dot.  */
        !            51: 
        !            52: #define DOT_GLOBAL_START
        !            53: 
        !            54: #ifdef BSD
        !            55: /* USG systems I know of running on Vaxes do not actually
        !            56:    support the load average, so disable it for them.  */
        !            57: 
        !            58: /* Data type of load average, as read out of kmem.  */
        !            59: 
        !            60: #define LOAD_AVE_TYPE double
        !            61: 
        !            62: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            63: 
        !            64: #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
        !            65: 
        !            66: #endif /* BSD */
        !            67: 
        !            68: #ifdef VMS
        !            69: 
        !            70: /* Data type of load average, as read out of driver.  */
        !            71: 
        !            72: #define LOAD_AVE_TYPE float
        !            73: 
        !            74: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            75: 
        !            76: #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
        !            77: 
        !            78: #endif /* VMS */
        !            79: 
        !            80: /* Vax sysV has alloca in the PW library.  */
        !            81: 
        !            82: #ifdef USG
        !            83: #define LIB_STANDARD -lPW -lc
        !            84: #define HAVE_ALLOCA
        !            85: 
        !            86: /* There is some bug in unexec in for usg 5.2 on a vax
        !            87:    which nobody who runs such a system has yet tracked down. */
        !            88: #ifndef USG5_0
        !            89: #define NO_REMAP
        !            90: #endif /* USG 5_0 */
        !            91: 
        !            92: #define TEXT_START 0
        !            93: #endif /* USG */
        !            94: 
        !            95: #ifdef BSD
        !            96: #define HAVE_ALLOCA
        !            97: #endif /* BSD */
        !            98: 
        !            99: #ifdef VMS
        !           100: #define C_ALLOCA
        !           101: #endif

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