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

1.1     ! root        1: /* m-amdahl_uts file 
        !             2:    Copyright (C) 1987 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: This file for amdahl_uts created by modifying the m-template.h
        !            23: by Jishnu Mukerji 3/1/87
        !            24: 
        !            25: Use s-usg5-2-2.h with this file.
        !            26: 
        !            27: This file works with the Amdahl uts native C compiler. The 5.2u370
        !            28: compiler is so brain damaged that it is not even worth trying to use it.
        !            29: */
        !            30: 
        !            31: /* The following three symbols give information on
        !            32:  the size of various data types.  */
        !            33: 
        !            34: #define SHORTBITS 16           /* Number of bits in a short */
        !            35: 
        !            36: #define INTBITS 32             /* Number of bits in an int */
        !            37: 
        !            38: #define LONGBITS 32            /* Number of bits in a long */
        !            39: 
        !            40: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            41:    is the most significant byte.  */
        !            42: 
        !            43: #define BIG_ENDIAN
        !            44: 
        !            45: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            46:  * group of arguments and treat it as an array of the arguments.  */
        !            47: 
        !            48: #undef NO_ARG_ARRAY
        !            49: 
        !            50: /* Define WORD_MACHINE if addresses and such have
        !            51:  * to be corrected before they can be used as byte counts.  */
        !            52: 
        !            53: #define WORD_MACHINE /* not actually used anywhere yet! */
        !            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) (((sign_extend_temp=(c)) & 0x80) \
        !            59:                             ? (sign_extend_temp | 0xFFFFFF00) \
        !            60:                             : (sign_extend_temp))
        !            61: 
        !            62: /* Now define a symbol for the cpu type, if your compiler
        !            63:    does not define it automatically:
        !            64:    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
        !            65:    are the ones defined so far.  */
        !            66: 
        !            67: /* uts gets defined automatically */
        !            68: /* However for clarity define amdahl_uts */
        !            69: #define amdahl_uts
        !            70: 
        !            71: /* Use type int rather than a union, to represent Lisp_Object */
        !            72: /* This is desirable for most machines.  */
        !            73: 
        !            74: #define NO_UNION_TYPE
        !            75: 
        !            76: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
        !            77:    the 24-bit bit field into an int.  In other words, if bit fields
        !            78:    are always unsigned.
        !            79: 
        !            80:    If you use NO_UNION_TYPE, this flag does not matter.  */
        !            81: 
        !            82: #define EXPLICIT_SIGN_EXTEND
        !            83: 
        !            84: /* Data type of load average, as read out of kmem.  */
        !            85: 
        !            86: /* #define LOAD_AVE_TYPE long*/
        !            87: 
        !            88: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            89: 
        !            90: /*#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)*/
        !            91: 
        !            92: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            93:    Then the function dump-emacs will not be defined
        !            94:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            95: 
        !            96: /* #define CANNOT_DUMP
        !            97: 
        !            98: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            99:    pure and impure space as loaded can vary, and even their
        !           100:    relative order cannot be relied on.
        !           101: 
        !           102:    Otherwise Emacs assumes that text space precedes data space,
        !           103:    numerically.  */
        !           104: 
        !           105: /* #define VIRT_ADDR_VARIES*/
        !           106: 
        !           107: /* Define C_ALLOCA if this machine does not support a true alloca
        !           108:    and the one written in C should be used instead.
        !           109:    Define HAVE_ALLOCA to say that the system provides a properly
        !           110:    working alloca function and it should be used.
        !           111:    Define neither one if an assembler-language alloca
        !           112:    in the file alloca.s should be used.  */
        !           113: 
        !           114: #define C_ALLOCA
        !           115: /*#define HAVE_ALLOCA */
        !           116: 
        !           117: #ifdef HAVE_ALLOCA
        !           118: #define LIB_STANDARD -lPW -lc
        !           119: #endif
        !           120: 
        !           121: /* Define NO_REMAP if memory segmentation makes it not work well
        !           122:    to change the boundary between the text section and data section
        !           123:    when Emacs is dumped.  If you define this, the preloaded Lisp
        !           124:    code will not be sharable; but that's better than failing completely.  */
        !           125: 
        !           126: /*#define NO_REMAP*/
        !           127: 
        !           128: #define TERMINFO
        !           129: 
        !           130: /* The usual definition of XINT, which involves shifting, does not
        !           131:    sign-extend properly on this machine.  */
        !           132: 
        !           133: #define XINT(i) (((sign_extend_temp=(i)) & 0x00800000) \
        !           134:                 ? (sign_extend_temp | 0xFF000000) \
        !           135:                 : (sign_extend_temp & 0x00FFFFFF))
        !           136: 
        !           137: #ifdef emacs /* Don't do this when making xmakefile! */
        !           138: extern int sign_extend_temp;
        !           139: #endif
        !           140: 
        !           141: /* The following needed to load the proper crt0.o and to get the
        !           142:    proper declaration of data_start in the #undef NO_REMAP case */
        !           143: 
        !           144: #ifndef NO_REMAP
        !           145: #define START_FILES pre-crt0.o /lib/crt0.o
        !           146: #endif
        !           147: 
        !           148: /* Perhaps this means that the optimizer isn't safe to use.  */
        !           149: 
        !           150: #define C_OPTIMIZE_SWITCH
        !           151: 
        !           152: /* Put text and data on non-segment boundary; makes image smaller */
        !           153: 
        !           154: #define LD_SWITCH_MACHINE      -N 
        !           155: 
        !           156: /* When writing the 'xemacs' file, make text segment ro */
        !           157: #define EXEC_MAGIC     0410
        !           158: 
        !           159: /* Mask for address bits within a memory segment */
        !           160: #define SEGSIZ 0x10000         /* Should this not be defined elsewhere ? */
        !           161: #define SEGMENT_MASK (SEGSIZ - 1)
        !           162: 
        !           163: /* Tell alloca.c which direction stack grows.  */
        !           164: #define STACK_DIRECTION -1
        !           165: 
        !           166: /* Compensate for error in signal.h.  */
        !           167: #if NSIG==19
        !           168: #undef NSIG
        !           169: #define NSIG 20
        !           170: #endif

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