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Diffstat (limited to 'src/m-sequent.h')
| -rw-r--r-- | src/m-sequent.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/m-sequent.h b/src/m-sequent.h new file mode 100644 index 00000000000..5337088ac92 --- /dev/null +++ b/src/m-sequent.h @@ -0,0 +1,176 @@ +/* m- file for SEQUENT BALANCE machines + Copyright (C) 1985, 1986 Free Software Foundation, Inc. + +This file is part of GNU Emacs. + +GNU Emacs is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +GNU Emacs is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Emacs; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* NOTE: this file works for DYNIX release 2.0 + (not tested on 1.3) on NS32000's */ + +/* The following three symbols give information on + the size of various data types. */ + +#define SHORTBITS 16 /* Number of bits in a short */ + +#define INTBITS 32 /* Number of bits in an int */ + +#define LONGBITS 32 /* Number of bits in a long */ + +/* Define BIG_ENDIAN iff lowest-numbered byte in a word + is the most significant byte. */ + +/* #define BIG_ENDIAN */ + +/* Define NO_ARG_ARRAY if you cannot take the address of the first of a + * group of arguments and treat it as an array of the arguments. */ + +/* #define NO_ARG_ARRAY */ + +/* Define WORD_MACHINE if addresses and such have + * to be corrected before they can be used as byte counts. */ + +/* #define WORD_MACHINE */ + +/* Define how to take a char and sign-extend into an int. + On machines where char is signed, this is a no-op. */ + +#define SIGN_EXTEND_CHAR(c) (c) + +/* Now define a symbol for the cpu type, if your compiler + does not define it automatically: + vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO + are the ones defined so far. */ + +/* BTW: DYNIX defines sequent, ns32000, and ns16000 (GENIX compatibility) */ +#ifndef sequent /* pre DYNIX 2.1 releases */ +# define sequent +#endif + +/* Use type int rather than a union, to represent Lisp_Object */ +/* This is desirable for most machines. */ + +#define NO_UNION_TYPE + +/* crt0.c should use the vax-bsd style of entry, with these dummy args. */ + +#define CRT0_DUMMIES bogus_fp, + +/* crt0.c should define a symbol `start' and do .globl with a dot. */ + +#define DOT_GLOBAL_START + +/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend + the 24-bit bit field into an int. In other words, if bit fields + are always unsigned. + + If you use NO_UNION_TYPE, this flag does not matter. */ + +#define EXPLICIT_SIGN_EXTEND + +/* Data type of load average, as read out of kmem. */ + +#define LOAD_AVE_TYPE unsigned long + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +#define FSCALE 1000.0 +#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) + +/* Define CANNOT_DUMP on machines where unexec does not work. + Then the function dump-emacs will not be defined + and temacs will do (load "loadup") automatically unless told otherwise. */ + +/* #define CANNOT_DUMP */ + +/* Define VIRT_ADDR_VARIES if the virtual addresses of + pure and impure space as loaded can vary, and even their + relative order cannot be relied on. + + Otherwise Emacs assumes that text space precedes data space, + numerically. */ + +/* #define VIRT_ADDR_VARIES */ + +/* Define C_ALLOCA if this machine does not support a true alloca + and the one written in C should be used instead. + Define HAVE_ALLOCA to say that the system provides a properly + working alloca function and it should be used. + Define neither one if an assembler-language alloca + in the file alloca.s should be used. */ + +/* #define C_ALLOCA */ +#define HAVE_ALLOCA + +/* Name of file the to look in + for the kernel symbol table (for load average) */ + +#undef KERNEL_FILE +#define KERNEL_FILE "/dynix" + +/* Avoids a compiler bug */ + +#define TAHOE_REGISTER_BUG + +/* Say that the text segment of a.out includes the header; + the header actually occupies the first few bytes of the text segment + and is counted in hdr.a_text. Furthermore, the value written + in the a_text in the file must have N_ADDRADJ added to it. */ + +#define A_TEXT_OFFSET(HDR) (sizeof (HDR) + N_ADDRADJ (HDR)) + +/* (short) negative-int doesn't sign-extend correctly */ +#define SHORT_CAST_BUG + +/* Cause compilations to be done in parallel in ymakefile. */ +#define MAKE_PARALLEL & + +/* Say that mailer interlocking uses flock. */ +#define MAIL_USE_FLOCK + +/* On many 4.2-based systems, there's a rather tricky bug + * with the interpretation of the pid/pgrp value given to + * the F_SETOWN fcntl() call. It works as documented EXCEPT + * when applied to filedescriptors for sockets, in which case + * the sign must be reversed. If your emacs subprocesses get + * SIGIO's when they shouldn't, while running on a socket + * (e.g. under X windows), you should probably define this. + */ + +#define F_SETOWN_SOCK_NEG + +/* Some really obscure 4.2-based systems (like Sequent DYNIX) + * do not support asynchronous I/O (using SIGIO) on sockets, + * even though it works fine on tty's. If you have one of + * these systems, define the following, and then use it in + * config.h (or elsewhere) to decide when (not) to use SIGIO. + */ + +#define NO_SOCK_SIGIO + +/* Define how to search all pty names. + This is for Dynix 3.0; delete next 5 definitions for older systems. */ + +#define PTY_MAJOR "pqrstuvwPQRSTUVW" +#define PTY_MINOR "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" +#define PTY_ITERATION \ + register int ma, mi; \ + for (ma = 0; ma < sizeof(PTY_MAJOR) - 1; ma++) \ + for (mi = 0; mi < sizeof(PTY_MINOR) - 1; mi++) +#define PTY_NAME_SPRINTF \ + sprintf (pty_name, "/dev/pty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]); +#define PTY_TTY_NAME_SPRINTF \ + sprintf (pty_name, "/dev/tty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]); |