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Annotation of GNUtools/emacs/src/m-sparc.h, revision 1.1.1.1

1.1       root        1: /* m- file for Sun 4 SPARC.
                      2:    Copyright (C) 1987 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: /* The following three symbols give information on
                     22:  the size of various data types.  */
                     23: 
                     24: #define SHORTBITS 16           /* Number of bits in a short */
                     25: 
                     26: #define INTBITS 32             /* Number of bits in an int */
                     27: 
                     28: #define LONGBITS 32            /* Number of bits in a long */
                     29: 
                     30: /* SPARC has lowest-numbered byte as most significant */
                     31: 
                     32: #define BIG_ENDIAN
                     33: 
                     34: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
                     35:  * group of arguments and treat it as an array of the arguments.  */
                     36: 
                     37: #define NO_ARG_ARRAY
                     38: 
                     39: /* Define how to take a char and sign-extend into an int.
                     40:    On machines where char is signed, this is a no-op.  */
                     41: 
                     42: #define SIGN_EXTEND_CHAR(c) (c)
                     43: 
                     44: /* Say this machine is a sparc */
                     45: 
                     46: #ifndef sparc
                     47: #define sparc
                     48: #endif
                     49: 
                     50: /* This level of optimization is reported to work.  */
                     51: 
                     52: #ifdef __GNUC__
                     53: # define C_OPTIMIZE_SWITCH -O
                     54: #else
                     55:      /* This level of optimization is reported to work.  */
                     56: # define C_OPTIMIZE_SWITCH -O2
                     57: #endif
                     58: 
                     59: /* Use type int rather than a union, to represent Lisp_Object */
                     60: 
                     61: #define NO_UNION_TYPE
                     62: 
                     63: /* XINT must explicitly sign-extend */
                     64: 
                     65: #define EXPLICIT_SIGN_EXTEND
                     66: 
                     67: /* Data type of load average, as read out of kmem.  */
                     68: 
                     69: #define LOAD_AVE_TYPE long
                     70: 
                     71: /* Convert that into an integer that is 100 for a load average of 1.0  */
                     72: 
                     73: #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
                     74: 
                     75: /* Define C_ALLOCA if this machine does not support a true alloca
                     76:    and the one written in C should be used instead.
                     77:    Define HAVE_ALLOCA to say that the system provides a properly
                     78:    working alloca function and it should be used.
                     79:    Define neither one if an assembler-language alloca
                     80:    in the file alloca.s should be used.  */
                     81: 
                     82: #define HAVE_ALLOCA
                     83: #include <alloca.h>
                     84: 
                     85: /* Must use the system's termcap.  It does special things.  */
                     86: 
                     87: #define LIBS_TERMCAP -ltermcap
                     88: 
                     89: /* Mask for address bits within a memory segment */
                     90: 
                     91: #define SEGMENT_MASK (SEGSIZ - 1)
                     92: 
                     93: /* Arrange to link with sun windows, if requested.  */
                     94: /* For details on emacstool and sunfns, see etc/SUN-SUPPORT */
                     95: /* These programs require Sun UNIX 4.2 Release 3.2 or greater */
                     96: 
                     97: #ifdef HAVE_SUN_WINDOWS
                     98: #ifndef NO_SUNVIEW
                     99: #define OTHER_FILES  ${etcdir}emacstool
                    100: #define LIBS_MACHINE -lsuntool -lsunwindow -lpixrect
                    101: #else
                    102: #define OTHER_FILES  ${etcdir}xvetool
                    103: #endif
                    104: #define OBJECTS_MACHINE sunfns.o
                    105: #define SYMS_MACHINE syms_of_sunfns ()
                    106: #define PURESIZE 130000
                    107: #endif
                    108: 
                    109: /* Say that the text segment of a.out includes the header;
                    110:    the header actually occupies the first few bytes of the text segment
                    111:    and is counted in hdr.a_text.  */
                    112: 
                    113: #define A_TEXT_OFFSET(HDR) sizeof (HDR)

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