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

1.1     ! root        1: /* m- file for SEQUENT BALANCE machines
        !             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: /* NOTE: this file works for DYNIX release 2.0 
        !            22:          (not tested on 1.3) on NS32000's */
        !            23: 
        !            24: /* The following three symbols give information on
        !            25:  the size of various data types.  */
        !            26: 
        !            27: #define SHORTBITS 16           /* Number of bits in a short */
        !            28: 
        !            29: #define INTBITS 32             /* Number of bits in an int */
        !            30: 
        !            31: #define LONGBITS 32            /* Number of bits in a long */
        !            32: 
        !            33: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            34:    is the most significant byte.  */
        !            35: 
        !            36: /* #define BIG_ENDIAN */
        !            37: 
        !            38: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            39:  * group of arguments and treat it as an array of the arguments.  */
        !            40: 
        !            41: /* #define NO_ARG_ARRAY */
        !            42: 
        !            43: /* Define WORD_MACHINE if addresses and such have
        !            44:  * to be corrected before they can be used as byte counts.  */
        !            45: 
        !            46: /* #define WORD_MACHINE */
        !            47: 
        !            48: /* Define how to take a char and sign-extend into an int.
        !            49:    On machines where char is signed, this is a no-op.  */
        !            50: 
        !            51: #define SIGN_EXTEND_CHAR(c) (c)
        !            52: 
        !            53: /* Now define a symbol for the cpu type, if your compiler
        !            54:    does not define it automatically:
        !            55:    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
        !            56:    are the ones defined so far.  */
        !            57: 
        !            58: /* BTW: DYNIX defines sequent, ns32000, and ns16000 (GENIX compatibility) */
        !            59: #ifndef        sequent         /* pre DYNIX 2.1 releases */
        !            60: # define sequent
        !            61: #endif
        !            62: 
        !            63: /* Use type int rather than a union, to represent Lisp_Object */
        !            64: /* This is desirable for most machines.  */
        !            65: 
        !            66: #define NO_UNION_TYPE
        !            67: 
        !            68: /* crt0.c should use the vax-bsd style of entry, with these dummy args.  */
        !            69: 
        !            70: #define CRT0_DUMMIES bogus_fp,
        !            71: 
        !            72: /* crt0.c should define a symbol `start' and do .globl with a dot.  */
        !            73: 
        !            74: #define DOT_GLOBAL_START
        !            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 unsigned long
        !            87: 
        !            88: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            89: 
        !            90: #define        FSCALE  1000.0
        !            91: #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
        !            92: 
        !            93: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            94:    Then the function dump-emacs will not be defined
        !            95:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            96: 
        !            97: /* #define CANNOT_DUMP */
        !            98: 
        !            99: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !           100:    pure and impure space as loaded can vary, and even their
        !           101:    relative order cannot be relied on.
        !           102: 
        !           103:    Otherwise Emacs assumes that text space precedes data space,
        !           104:    numerically.  */
        !           105: 
        !           106: /* #define VIRT_ADDR_VARIES */
        !           107: 
        !           108: /* Define C_ALLOCA if this machine does not support a true alloca
        !           109:    and the one written in C should be used instead.
        !           110:    Define HAVE_ALLOCA to say that the system provides a properly
        !           111:    working alloca function and it should be used.
        !           112:    Define neither one if an assembler-language alloca
        !           113:    in the file alloca.s should be used.  */
        !           114: 
        !           115: /* #define C_ALLOCA */
        !           116: #define HAVE_ALLOCA
        !           117: 
        !           118: /* Name of file the to look in
        !           119:    for the kernel symbol table (for load average) */
        !           120: 
        !           121: #undef KERNEL_FILE
        !           122: #define KERNEL_FILE "/dynix"
        !           123: 
        !           124: /* Avoids a compiler bug */
        !           125: 
        !           126: #define TAHOE_REGISTER_BUG
        !           127: 
        !           128: /* Say that the text segment of a.out includes the header;
        !           129:    the header actually occupies the first few bytes of the text segment
        !           130:    and is counted in hdr.a_text.  Furthermore, the value written
        !           131:    in the a_text in the file must have N_ADDRADJ added to it.  */
        !           132: 
        !           133: #define A_TEXT_OFFSET(HDR) (sizeof (HDR) + N_ADDRADJ (HDR))
        !           134: 
        !           135: /* (short) negative-int doesn't sign-extend correctly */
        !           136: #define SHORT_CAST_BUG
        !           137: 
        !           138: /* Cause compilations to be done in parallel in ymakefile.  */
        !           139: #define MAKE_PARALLEL &
        !           140: 
        !           141: /* Say that mailer interlocking uses flock.  */
        !           142: #define MAIL_USE_FLOCK
        !           143: 
        !           144: /* On many 4.2-based systems, there's a rather tricky bug
        !           145:  * with the interpretation of the pid/pgrp value given to
        !           146:  * the F_SETOWN fcntl() call.  It works as documented EXCEPT
        !           147:  * when applied to filedescriptors for sockets, in which case
        !           148:  * the sign must be reversed.  If your emacs subprocesses get
        !           149:  * SIGIO's when they shouldn't, while running on a socket
        !           150:  * (e.g. under X windows), you should probably define this.
        !           151:  */
        !           152: 
        !           153: #define F_SETOWN_SOCK_NEG
        !           154: 
        !           155: /* Some really obscure 4.2-based systems (like Sequent DYNIX)
        !           156:  * do not support asynchronous I/O (using SIGIO) on sockets,
        !           157:  * even though it works fine on tty's.  If you have one of
        !           158:  * these systems, define the following, and then use it in
        !           159:  * config.h (or elsewhere) to decide when (not) to use SIGIO.
        !           160:  */
        !           161: 
        !           162: #define NO_SOCK_SIGIO
        !           163: 
        !           164: /* Define how to search all pty names.
        !           165:    This is for Dynix 3.0; delete next 5 definitions for older systems.  */
        !           166: 
        !           167: #define PTY_MAJOR "pqrstuvwPQRSTUVW"
        !           168: #define PTY_MINOR "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
        !           169: #define PTY_ITERATION                                  \
        !           170:   register int ma, mi;                                 \
        !           171:   for (ma = 0; ma < sizeof(PTY_MAJOR) - 1; ma++)       \
        !           172:     for (mi = 0; mi < sizeof(PTY_MINOR) - 1; mi++)
        !           173: #define PTY_NAME_SPRINTF \
        !           174:   sprintf (pty_name, "/dev/pty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);
        !           175: #define PTY_TTY_NAME_SPRINTF \
        !           176:   sprintf (pty_name, "/dev/tty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);

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