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

1.1     ! root        1: /* Definitions file for GNU Emacs running on Stride Micro System-V.2.2
        !             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: /* 68000 has lowest-numbered byte as most significant */
        !            31: 
        !            32: #define BIG_ENDIAN
        !            33: 
        !            34: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            35:  * group of arguments and treat it as an array of the arguments.  */
        !            36: 
        !            37: #undef NO_ARG_ARRAY
        !            38: 
        !            39: /* Define WORD_MACHINE if addresses and such have
        !            40:  * to be corrected before they can be used as byte counts.  */
        !            41: 
        !            42: #undef WORD_MACHINE
        !            43: 
        !            44: /* Define how to take a char and sign-extend into an int.
        !            45:    On machines where char is signed, this is a no-op.  */
        !            46: 
        !            47: #define SIGN_EXTEND_CHAR(c) (c)
        !            48: 
        !            49: /* Now define a symbol for the cpu type, if your compiler
        !            50:    does not define it automatically:
        !            51:    vax, m68000, ns16000, pyramid, orion, tahoe, APOLLO and STRIDE
        !            52:    are the ones defined so far.  */
        !            53: 
        !            54: #define m68000                 /* because the SGS compiler defines "m68k" */
        !            55: #ifndef STRIDE
        !            56: #define STRIDE
        !            57: #endif
        !            58: 
        !            59: /* Use type int rather than a union, to represent Lisp_Object */
        !            60: /* This is desirable for most machines.  */
        !            61: 
        !            62: #define NO_UNION_TYPE
        !            63: 
        !            64: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
        !            65:    the 24-bit bit field into an int.  In other words, if bit fields
        !            66:    are always unsigned.
        !            67: 
        !            68:    If you use NO_UNION_TYPE, this flag does not matter.  */
        !            69: 
        !            70: #define EXPLICIT_SIGN_EXTEND
        !            71: 
        !            72: /* Data type of load average, as read out of kmem.  */
        !            73: 
        !            74: #define LOAD_AVE_TYPE double
        !            75: 
        !            76: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            77: 
        !            78: #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
        !            79: 
        !            80: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            81:    Then the function dump-emacs will not be defined
        !            82:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            83: 
        !            84: #undef CANNOT_DUMP
        !            85: 
        !            86: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            87:    pure and impure space as loaded can vary, and even their
        !            88:    relative order cannot be relied on.
        !            89: 
        !            90:    Otherwise Emacs assumes that text space precedes data space,
        !            91:    numerically.  */
        !            92: 
        !            93: #undef VIRT_ADDR_VARIES
        !            94: 
        !            95: /* The STRIDE system is more powerful than standard USG5.  */
        !            96: 
        !            97: #define HAVE_PTYS
        !            98: #define HAVE_TIMEVAL
        !            99: #define HAVE_SELECT
        !           100: #define HAVE_GETTIMEOFDAY
        !           101: #define BSTRING
        !           102: #define SKTPAIR
        !           103: #define HAVE_SOCKETS
        !           104: 
        !           105: #define MAIL_USE_FLOCK
        !           106: #undef TERMINFO
        !           107: #define EXEC_MAGIC 0413
        !           108: 
        !           109: /* USG wins again: Foo! I can't get SIGIO to work properly on the Stride, because I'm
        !           110:    running a System V variant, and don't have a reliable way to block SIGIO
        !           111:    signals without losing them.  So, I've gone back to non-SIGIO mode, so
        !           112:    please append this line to the file "m-stride.h":
        !           113:  */
        !           114: #undef SIGIO
        !           115: 
        !           116: /* Specify alignment requirement for start of text and data sections
        !           117:    in the executable file.  */
        !           118: 
        !           119: #define SECTION_ALIGNMENT (getpagesize() - 1)
        !           120: 
        !           121: /*
        !           122:  * UniStride has this in /lib/libc.a.
        !           123:  */
        !           124: #undef NONSYSTEM_DIR_LIBRARY
        !           125: 
        !           126: /* UniStride defines getwd.  */
        !           127: 
        !           128: #define HAVE_GETWD
        !           129: 
        !           130: 

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