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Diffstat (limited to 'src/m/sparc.h')
-rw-r--r-- | src/m/sparc.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/m/sparc.h b/src/m/sparc.h new file mode 100644 index 00000000000..b06fa35522c --- /dev/null +++ b/src/m/sparc.h @@ -0,0 +1,119 @@ +/* machine description file for Sun 4 SPARC. + Copyright (C) 1987 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 line tells the configuration script what sort of + operating system this machine is likely to run. + USUAL-OPSYS="note" + +NOTE-START +Use -opsystem=sunos4 for operating system version 4, and +-opsystem=bsd4-2 for earlier versions. +NOTE-END */ + +/* 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 */ + +/* SPARC has lowest-numbered byte as most significant */ + +#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 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) + +/* Say this machine is a sparc */ + +#ifndef sparc +#define sparc +#endif + +#ifdef __GNUC__ +# define C_OPTIMIZE_SWITCH -O +#else + /* This level of optimization is reported to work. */ +# define C_OPTIMIZE_SWITCH -O2 +#endif + +/* Use type int rather than a union, to represent Lisp_Object */ + +#define NO_UNION_TYPE + +/* XINT must explicitly sign-extend */ + +#define EXPLICIT_SIGN_EXTEND + +/* Data type of load average, as read out of kmem. */ + +#define LOAD_AVE_TYPE long + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) + +/* 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 HAVE_ALLOCA +#include <alloca.h> + +/* Must use the system's termcap. It does special things. */ + +#define LIBS_TERMCAP -ltermcap + +/* Mask for address bits within a memory segment */ + +#define SEGMENT_MASK (SEGSIZ - 1) + +/* Arrange to link with sun windows, if requested. */ +/* For details on emacstool and sunfns, see etc/SUN-SUPPORT */ +/* These programs require Sun UNIX 4.2 Release 3.2 or greater */ + +#ifdef HAVE_SUN_WINDOWS +#define OTHER_FILES ${etcdir}emacstool +#define LIBS_MACHINE -lsuntool -lsunwindow -lpixrect +#define OBJECTS_MACHINE sunfns.o +#define SYMS_MACHINE syms_of_sunfns () +#define PURESIZE 130000 +#endif + +/* 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. */ + +#define A_TEXT_OFFSET(HDR) sizeof (HDR) + +/* This is the offset of the executable's text, from the start of the file. */ + +#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr)) |