/* 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