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Annotation of GNUtools/emacs/src/m-7300.h, revision 1.1.1.1

1.1       root        1: /* m- file for AT&T UNIX PC model 7300
                      2:    Copyright (C) 1986 Free Software Foundation, Inc.
                      3:    Modified for this machine by mtxinu!rtech!gonzo!daveb
                      4: 
                      5: This file is part of GNU Emacs.
                      6: 
                      7: GNU Emacs is free software; you can redistribute it and/or modify
                      8: it under the terms of the GNU General Public License as published by
                      9: the Free Software Foundation; either version 1, or (at your option)
                     10: any later version.
                     11: 
                     12: GNU Emacs is distributed in the hope that it will be useful,
                     13: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: GNU General Public License for more details.
                     16: 
                     17: You should have received a copy of the GNU General Public License
                     18: along with GNU Emacs; see the file COPYING.  If not, write to
                     19: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
                     20: 
                     21: 
                     22: /* This machine does not have flexnames.  Yuk */
                     23: 
                     24: /* # define SHORTNAMES */
                     25: 
                     26: 
                     27: /* The following three symbols give information on
                     28:  the size of various data types.  */
                     29: 
                     30: #define SHORTBITS 16           /* Number of bits in a short */
                     31: 
                     32: #define INTBITS 32             /* Number of bits in an int */
                     33: 
                     34: #define LONGBITS 32            /* Number of bits in a long */
                     35: 
                     36: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
                     37:    is the most significant byte.  */
                     38: 
                     39: #define BIG_ENDIAN
                     40: 
                     41: /* XINT must explicitly sign-extend */
                     42: 
                     43: #define EXPLICIT_SIGN_EXTEND
                     44: 
                     45: /* Define how to take a char and sign-extend into an int.
                     46:    On machines where char is signed, this is a no-op.  */
                     47: 
                     48: #define SIGN_EXTEND_CHAR(c) (c)
                     49: 
                     50: /* Use type int rather than a union, to represent Lisp_Object */
                     51: 
                     52: #define NO_UNION_TYPE
                     53: 
                     54: /* Now define a symbol for the cpu type, if your compiler
                     55:    does not define it automatically:
                     56:    vax, m68000, ns16000 are the ones defined so far.  */
                     57: 
                     58: # ifndef mc68k
                     59: # define mc68k
                     60: # endif
                     61: #ifndef m68k
                     62: #define m68k
                     63: #endif
                     64: 
                     65: /* Cause crt0.c to define errno.  */
                     66: 
                     67: #define NEED_ERRNO
                     68: 
                     69: /* Data type of load average, as read out of kmem.  */
                     70: /* These are commented out since it is not supported by this machine.  */
                     71:   
                     72: /* #define LOAD_AVE_TYPE long */
                     73: 
                     74: /* Convert that into an integer that is 100 for a load average of 1.0  */
                     75: 
                     76: /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
                     77: 
                     78: #define SWITCH_ENUM_BUG
                     79: 
                     80: /* These three lines were new in 18.50.  They were said to permit
                     81:    a demand-paged executable, but someone else says they don't work.
                     82:    Someone else says they do.  They didn't work because errno was an
                     83:    initialized variable in crt0.c, and because of %splimit (also therein),
                     84:    both of which have been fixed now. */
                     85: #define SECTION_ALIGNMENT 0x03ff
                     86: #define SEGMENT_MASK 0xffff
                     87: #define LD_SWITCH_MACHINE -z

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