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Annotation of GNUtools/emacs/src/m-delta88.h, revision 1.1

1.1     ! root        1: /* m- file for Motorola System V/88 machines
        !             2:    Copyright (C) 1985 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: /* The following three symbols give information on
        !            22:  the size of various data types.  */
        !            23: 
        !            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: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            32:    is the most significant byte.  */
        !            33: 
        !            34: #define BIG_ENDIAN 
        !            35: 
        !            36: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            37:  * group of arguments and treat it as an array of the arguments.  */
        !            38: 
        !            39: #define NO_ARG_ARRAY
        !            40: 
        !            41: /* Define WORD_MACHINE if addresses and such have
        !            42:  * to be corrected before they can be used as byte counts.  */
        !            43: 
        !            44: /* #define WORD_MACHINE */
        !            45: 
        !            46: /* Now define a symbol for the cpu type, if your compiler
        !            47:    does not define it automatically:
        !            48:    Ones defined so far include vax, m68000, ns16000, pyramid,
        !            49:    orion, tahoe, APOLLO and many others */
        !            50: 
        !            51: #ifndef m88000     /* Some 88k C compilers already define this */
        !            52: #define m88000
        !            53: #endif
        !            54: 
        !            55: /* Define how to take a char and sign-extend into an int.
        !            56:    On machines where char is signed, this is a no-op.  */
        !            57: 
        !            58: #define SIGN_EXTEND_CHAR(c) (c)
        !            59: 
        !            60: /* Now define a symbol for the cpu type, if your compiler
        !            61:    does not define it automatically.  */
        !            62: 
        !            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: /* No load average on Motorola machines. */
        !            79: /* #define LOAD_AVE_TYPE double */
        !            80: 
        !            81: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            82: /* #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0)) */
        !            83: 
        !            84: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            85:    Then the function dump-emacs will not be defined
        !            86:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            87: 
        !            88: /* #define CANNOT_DUMP  */
        !            89: 
        !            90: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            91:    pure and impure space as loaded can vary, and even their
        !            92:    relative order cannot be relied on.
        !            93: 
        !            94:    Otherwise Emacs assumes that text space precedes data space,
        !            95:    numerically.  */
        !            96: 
        !            97: /* #define VIRT_ADDR_VARIES */ 
        !            98: 
        !            99: /* Define NO_REMAP if memory segmentation makes it not work well
        !           100:    to change the boundary between the text section and data section
        !           101:    when Emacs is dumped.  If you define this, the preloaded Lisp
        !           102:    code will not be sharable; but that's better than failing completely.  */
        !           103: 
        !           104: #define NO_REMAP
        !           105: 
        !           106: /* Define C_ALLOCA if this machine does not support a true alloca
        !           107:    and the one written in C should be used instead.
        !           108:    Define HAVE_ALLOCA to say that the system provides a properly
        !           109:    working alloca function and it should be used.
        !           110:    Define neither one if an assembler-language alloca
        !           111:    in the file alloca.s should be used.  */
        !           112: 
        !           113: /* BEM:  Distributed asm alloca doesn't work.  Don't know about libPW.a.
        !           114:    C ALLOCA is safe and fast enough for now. */
        !           115: 
        !           116: #define C_ALLOCA
        !           117: #define        STACK_DIRECTION -1  /* grows towards lower addresses. */
        !           118: 
        !           119: /* Motorola SysV has PTYs.  Not all usg3-5 systems do, so this is defined
        !           120:    here. */
        !           121: 
        !           122: #define HAVE_PTYS 
        !           123: #define SYSV_PTYS
        !           124: 
        !           125: /* Ditto for IPC. */
        !           126: 
        !           127: 
        !           128: /* 
        !           129:  * we now have job control in R32V1
        !           130:  */
        !           131: #undef NOMULTIPLEJOBS
        !           132: 
        !           133: /*
        !           134:  * we have bcopy, bzero, bcmp in libc.a (what isn't in libc.a?)
        !           135:  */
        !           136: #define BSTRING
        !           137: 
        !           138: /*
        !           139:  * sockets are in R32V1
        !           140:  */
        !           141: #define HAVE_SOCKETS
        !           142: 
        !           143: /*
        !           144:  * we have the wrong name for networking libs
        !           145:  */
        !           146: #undef LIBX11_SYSTEM
        !           147: #define LIBX11_SYSTEM -lnsl -lbsd
        !           148: 
        !           149: /* 
        !           150:  * we have Berkeley style <sys/time.h>
        !           151:  */
        !           152: #define HAVE_TIMEVAL
        !           153: #define HAVE_GETTIMEOFDAY
        !           154: 
        !           155: /* SysV88 has select(). */
        !           156: #define HAVE_SELECT
        !           157: #define BROKEN_FIONREAD
        !           158: 
        !           159: /*
        !           160:  * don't use utimes, we ain't got one - use utime() instead
        !           161:  */
        !           162: #define USE_UTIME
        !           163: 
        !           164: #define LIBS_SYSTEM -lbsd -lg
        !           165: 
        !           166: #define NEED_TERMIOS
        !           167: 
        !           168: #define NO_SIOCTL_H

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