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- /* m- file for vax.
- 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. */
-
-
- /* 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 */
-
- /* Vax is not big-endian: lowest numbered byte is least significant. */
-
- /* #undef BIG_ENDIAN */
-
- /* 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)
-
- /* #define vax -- appears to be done automatically */
-
- /* Use type int rather than a union, to represent Lisp_Object */
-
- #define NO_UNION_TYPE
-
- /* crt0.c should use the vax-bsd style of entry, with no dummy args. */
-
- #define CRT0_DUMMIES
-
- /* crt0.c should define a symbol `start' and do .globl with a dot. */
-
- #define DOT_GLOBAL_START
-
- #ifdef BSD
- /* USG systems I know of running on Vaxes do not actually
- support the load average, so disable it for them. */
-
- /* Data type of load average, as read out of kmem. */
-
- #define LOAD_AVE_TYPE double
-
- /* Convert that into an integer that is 100 for a load average of 1.0 */
-
- #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
-
- #endif /* BSD */
-
- #ifdef VMS
-
- /* Data type of load average, as read out of driver. */
-
- #define LOAD_AVE_TYPE float
-
- /* Convert that into an integer that is 100 for a load average of 1.0 */
-
- #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
-
- #endif /* VMS */
-
- /* Vax sysV has alloca in the PW library. */
-
- #ifdef USG
- #define LIB_STANDARD -lPW -lc
- #define HAVE_ALLOCA
-
- /* There is some bug in unexec in for usg 5.2 on a vax
- which nobody who runs such a system has yet tracked down. */
- #ifndef USG5_0
- #define NO_REMAP
- #endif /* USG 5_0 */
-
- #define TEXT_START 0
- #endif /* USG */
-
- #ifdef BSD
- #define HAVE_ALLOCA
- #endif /* BSD */
-
- #ifdef VMS
- #define C_ALLOCA
- #endif
-
- #ifdef ultrix
- #define BROKEN_O_NONBLOCK
- #endif
-