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Annotation of GNUtools/emacs/src/m-ns32000.h, revision 1.1

1.1     ! root        1: /* m- file for Netional Semiconductor 32000, running Genix.
        !             2:    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU Emacs.
        !             5: 
        !             6: GNU Emacs is free software; you can redistribute it and/or modify
        !             7: it under the terms of the GNU General Public License as published by
        !             8: the Free Software Foundation; either version 1, or (at your option)
        !             9: any later version.
        !            10: 
        !            11: GNU Emacs is distributed in the hope that it will be useful,
        !            12: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: GNU General Public License for more details.
        !            15: 
        !            16: You should have received a copy of the GNU General Public License
        !            17: along with GNU Emacs; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: /* The following three symbols give information on
        !            22:  the size of various data types.  */
        !            23: 
        !            24: #define SHORTBITS 16           /* Number of bits in a short */
        !            25: 
        !            26: #define INTBITS 32             /* Number of bits in an int */
        !            27: 
        !            28: #define LONGBITS 32            /* Number of bits in a long */
        !            29: 
        !            30: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            31:    is the most significant byte.  */
        !            32: 
        !            33: /* #define BIG_ENDIAN */
        !            34: 
        !            35: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            36:  * group of arguments and treat it as an array of the arguments.  */
        !            37: 
        !            38: /* #define NO_ARG_ARRAY */
        !            39: 
        !            40: /* Define WORD_MACHINE if addresses and such have
        !            41:  * to be corrected before they can be used as byte counts.  */
        !            42: 
        !            43: /* #define WORD_MACHINE */
        !            44: 
        !            45: /* Define how to take a char and sign-extend into an int.
        !            46:    On machines where char is signed, this is a no-op.  */
        !            47: 
        !            48: #define SIGN_EXTEND_CHAR(c) (c)
        !            49: 
        !            50: /* Now define a symbol for the cpu type, if your compiler
        !            51:    does not define it automatically:
        !            52:    Ones defined so far include vax, m68000, ns16000, pyramid,
        !            53:    orion, tahoe, APOLLO and many others */
        !            54: 
        !            55: /* Use type int rather than a union, to represent Lisp_Object */
        !            56: /* This is desirable for most machines.  */
        !            57: 
        !            58: #define NO_UNION_TYPE
        !            59: 
        !            60: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
        !            61:    the 24-bit bit field into an int.  In other words, if bit fields
        !            62:    are always unsigned.
        !            63: 
        !            64:    If you use NO_UNION_TYPE, this flag does not matter.  */
        !            65: 
        !            66: #define EXPLICIT_SIGN_EXTEND
        !            67: 
        !            68: /* Data type of load average, as read out of kmem.  */
        !            69: 
        !            70: /* #define LOAD_AVE_TYPE long */
        !            71: 
        !            72: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            73: 
        !            74: /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
        !            75: 
        !            76: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            77:    Then the function dump-emacs will not be defined
        !            78:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            79: 
        !            80: /* #define CANNOT_DUMP */
        !            81: 
        !            82: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            83:    pure and impure space as loaded can vary, and even their
        !            84:    relative order cannot be relied on.
        !            85: 
        !            86:    Otherwise Emacs assumes that text space precedes data space,
        !            87:    numerically.  */
        !            88: 
        !            89: /* #define VIRT_ADDR_VARIES */
        !            90: 
        !            91: /* Define C_ALLOCA if this machine does not support a true alloca
        !            92:    and the one written in C should be used instead.
        !            93:    Define HAVE_ALLOCA to say that the system provides a properly
        !            94:    working alloca function and it should be used.
        !            95:    Define neither one if an assembler-language alloca
        !            96:    in the file alloca.s should be used.  */
        !            97: 
        !            98: /* #define C_ALLOCA */
        !            99: /* #define HAVE_ALLOCA */
        !           100: 
        !           101: /* Define NO_REMAP if memory segmentation makes it not work well
        !           102:    to change the boundary between the text section and data section
        !           103:    when Emacs is dumped.  If you define this, the preloaded Lisp
        !           104:    code will not be sharable; but that's better than failing completely.  */
        !           105: 
        !           106: /* #define NO_REMAP */
        !           107: 
        !           108: #define TEXT_START 0
        !           109: 
        !           110: #define STACK_DIRECTION -1
        !           111: 
        !           112: #define EXEC_MAGIC 0410
        !           113: 
        !           114: #define PURESIZE 140000
        !           115: 
        !           116: #define START_FILES pre-crt0.o /lib/crt0.o

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