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

1.1     ! root        1: /* m-amdahl.h file, used with s-usg5-3.h.
        !             2:    Copyright (C) 1987 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: This file for amdahl_uts created by modifying the m-template.h
        !            22: by Jishnu Mukerji 3/1/87
        !            23: 
        !            24: This file works with the Amdahl uts native C compiler. The 5.2u370
        !            25: compiler is so brain damaged that it is not even worth trying to use it.
        !            26: */
        !            27: 
        !            28: /* The following three symbols give information on
        !            29:  the size of various data types.  */
        !            30: 
        !            31: #define SHORTBITS 16           /* Number of bits in a short */
        !            32: 
        !            33: #define INTBITS 32             /* Number of bits in an int */
        !            34: 
        !            35: #define LONGBITS 32            /* Number of bits in a long */
        !            36: 
        !            37: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            38:    is the most significant byte.  */
        !            39: 
        !            40: #define BIG_ENDIAN
        !            41: 
        !            42: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            43:  * group of arguments and treat it as an array of the arguments.  */
        !            44: 
        !            45: #undef NO_ARG_ARRAY
        !            46: 
        !            47: /* Define WORD_MACHINE if addresses and such have
        !            48:  * to be corrected before they can be used as byte counts.  */
        !            49: 
        !            50: #define WORD_MACHINE /* not actually used anywhere yet! */
        !            51: 
        !            52: /* Define how to take a char and sign-extend into an int.
        !            53:    On machines where char is signed, this is a no-op.  */
        !            54: 
        !            55: #define SIGN_EXTEND_CHAR(c) (((sign_extend_temp=(c)) & 0x80) \
        !            56:                             ? (sign_extend_temp | 0xFFFFFF00) \
        !            57:                             : (sign_extend_temp))
        !            58: 
        !            59: /* Now define a symbol for the cpu type, if your compiler
        !            60:    does not define it automatically:
        !            61:    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
        !            62:    are the ones defined so far.  */
        !            63: 
        !            64: /* uts gets defined automatically */
        !            65: /* However for clarity define amdahl_uts */
        !            66: #define amdahl_uts
        !            67: 
        !            68: /* Use type int rather than a union, to represent Lisp_Object */
        !            69: /* This is desirable for most machines.  */
        !            70: 
        !            71: #define NO_UNION_TYPE
        !            72: 
        !            73: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
        !            74:    the 24-bit bit field into an int.  In other words, if bit fields
        !            75:    are always unsigned.
        !            76: 
        !            77:    If you use NO_UNION_TYPE, this flag does not matter.  */
        !            78: 
        !            79: #define EXPLICIT_SIGN_EXTEND
        !            80: 
        !            81: /* Data type of load average, as read out of kmem.  */
        !            82: 
        !            83: /* #define LOAD_AVE_TYPE long*/
        !            84: 
        !            85: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            86: 
        !            87: /*#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)*/
        !            88: 
        !            89: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            90:    Then the function dump-emacs will not be defined
        !            91:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            92: 
        !            93: /* #define CANNOT_DUMP
        !            94: 
        !            95: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            96:    pure and impure space as loaded can vary, and even their
        !            97:    relative order cannot be relied on.
        !            98: 
        !            99:    Otherwise Emacs assumes that text space precedes data space,
        !           100:    numerically.  */
        !           101: 
        !           102: /* #define VIRT_ADDR_VARIES*/
        !           103: 
        !           104: /* Define C_ALLOCA if this machine does not support a true alloca
        !           105:    and the one written in C should be used instead.
        !           106:    Define HAVE_ALLOCA to say that the system provides a properly
        !           107:    working alloca function and it should be used.
        !           108:    Define neither one if an assembler-language alloca
        !           109:    in the file alloca.s should be used.  */
        !           110: 
        !           111: #define C_ALLOCA
        !           112: /*#define HAVE_ALLOCA */
        !           113: 
        !           114: #ifdef HAVE_ALLOCA
        !           115: #define LIB_STANDARD -lPW -lc
        !           116: #endif
        !           117: 
        !           118: /* Define NO_REMAP if memory segmentation makes it not work well
        !           119:    to change the boundary between the text section and data section
        !           120:    when Emacs is dumped.  If you define this, the preloaded Lisp
        !           121:    code will not be sharable; but that's better than failing completely.  */
        !           122: 
        !           123: /*#define NO_REMAP*/
        !           124: 
        !           125: #define TERMINFO
        !           126: 
        !           127: /* The usual definition of XINT, which involves shifting, does not
        !           128:    sign-extend properly on this machine.  */
        !           129: 
        !           130: #define XINT(i) (((sign_extend_temp=(i)) & 0x00800000) \
        !           131:                 ? (sign_extend_temp | 0xFF000000) \
        !           132:                 : (sign_extend_temp & 0x00FFFFFF))
        !           133: 
        !           134: #ifdef emacs /* Don't do this when making xmakefile! */
        !           135: extern int sign_extend_temp;
        !           136: #endif
        !           137: 
        !           138: /* The following needed to load the proper crt0.o and to get the
        !           139:    proper declaration of data_start in the #undef NO_REMAP case */
        !           140: 
        !           141: #ifndef NO_REMAP
        !           142: #define START_FILES pre-crt0.o /lib/crt0.o
        !           143: #endif
        !           144: 
        !           145: /* Perhaps this means that the optimizer isn't safe to use.  */
        !           146: 
        !           147: #ifndef C_OPTIMIZE_SWITCH
        !           148: #define C_OPTIMIZE_SWITCH
        !           149: #endif
        !           150: 
        !           151: /* Put text and data on non-segment boundary; makes image smaller */
        !           152: 
        !           153: #define LD_SWITCH_MACHINE      -N 
        !           154: 
        !           155: /* When writing the 'xemacs' file, make text segment ro */
        !           156: #define EXEC_MAGIC     0410
        !           157: 
        !           158: /* Mask for address bits within a memory segment */
        !           159: #define SEGSIZ 0x10000         /* Should this not be defined elsewhere ? */
        !           160: #define SEGMENT_MASK (SEGSIZ - 1)
        !           161: 
        !           162: /* Tell alloca.c which direction stack grows.  */
        !           163: #define STACK_DIRECTION -1
        !           164: 
        !           165: /* Compensate for error in signal.h.  */
        !           166: #if NSIG==19
        !           167: #undef NSIG
        !           168: #define NSIG 20
        !           169: #endif
        !           170: 
        !           171: #define NO_SIOCTL_H
        !           172: 
        !           173: /* Amdahl has features not in ordinary sys v.3.  */
        !           174: 
        !           175: #define HAVE_TIMEVAL
        !           176: 
        !           177: /* With HAVE_TIMEVAL defined, Emacs expects to use `utimes'.
        !           178:    But UTS does not have one.  */
        !           179: 
        !           180: #define MISSING_UTIMES
        !           181: 
        !           182: #define HAVE_SELECT
        !           183: 
        !           184: #define HAVE_PTYS
        !           185: 
        !           186: #define HAVE_SOCKETS
        !           187: 
        !           188: /* Define this symbol if your system has the functions bcopy, etc. */
        !           189: 
        !           190: #define BSTRING
        !           191: 
        !           192: #if 0  /* This is turned off because BROKEN_TIOCGETC is probably harmless.  */
        !           193: #undef BROKEN_TIOCGETC
        !           194: #endif
        !           195: 
        !           196: /* X needs to talk on the network, so search the network library.  */
        !           197: 
        !           198: #undef LIBX11_SYSTEM           /* What s-usg5-3.h does is not needed.  */
        !           199: #define LIBX11_MACHINE -lsocket -lbsd
        !           200: 
        !           201: /* SIGIO is defined but does not work.  Prevent using it.  */
        !           202: #define BROKEN_FIONREAD

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