| 1 | /* machine description 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 2, 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 | /* The following line tells the configuration script what sort of |
| 23 | operating system this machine is likely to run. |
| 24 | USUAL-OPSYS="usg5-2-2" */ |
| 25 | |
| 26 | /* Supposedly now these machines have flexnames. |
| 27 | |
| 28 | /* # define SHORTNAMES */ |
| 29 | |
| 30 | |
| 31 | /* The following three symbols give information on |
| 32 | the size of various data types. */ |
| 33 | |
| 34 | #define SHORTBITS 16 /* Number of bits in a short */ |
| 35 | |
| 36 | #define INTBITS 32 /* Number of bits in an int */ |
| 37 | |
| 38 | #define LONGBITS 32 /* Number of bits in a long */ |
| 39 | |
| 40 | /* Define BIG_ENDIAN iff lowest-numbered byte in a word |
| 41 | is the most significant byte. */ |
| 42 | |
| 43 | #define BIG_ENDIAN |
| 44 | |
| 45 | /* XINT must explicitly sign-extend */ |
| 46 | |
| 47 | #define EXPLICIT_SIGN_EXTEND |
| 48 | |
| 49 | /* Use type int rather than a union, to represent Lisp_Object */ |
| 50 | |
| 51 | #define NO_UNION_TYPE |
| 52 | |
| 53 | /* Now define a symbol for the cpu type, if your compiler |
| 54 | does not define it automatically: |
| 55 | vax, m68000, ns16000 are the ones defined so far. */ |
| 56 | |
| 57 | # ifndef mc68k |
| 58 | # define mc68k |
| 59 | # endif |
| 60 | #ifndef m68k |
| 61 | #define m68k |
| 62 | #endif |
| 63 | |
| 64 | /* Cause crt0.c to define errno. */ |
| 65 | |
| 66 | #define NEED_ERRNO |
| 67 | |
| 68 | /* Data type of load average, as read out of kmem. */ |
| 69 | /* These are commented out since it is not supported by this machine. */ |
| 70 | |
| 71 | /* #define LOAD_AVE_TYPE long */ |
| 72 | |
| 73 | /* Convert that into an integer that is 100 for a load average of 1.0 */ |
| 74 | |
| 75 | /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */ |
| 76 | |
| 77 | #ifdef __GNUC__ |
| 78 | |
| 79 | #define HAVE_ALLOCA |
| 80 | |
| 81 | #else |
| 82 | |
| 83 | #define SWITCH_ENUM_BUG |
| 84 | #define C_ALLOCA |
| 85 | #define STACK_DIRECTION -1 |
| 86 | |
| 87 | #endif |
| 88 | |
| 89 | /* If you have the PD pty driver installed, uncomment the following line. */ |
| 90 | /* #define HAVE_PTYS */ |
| 91 | |
| 92 | #define HAVE_SYSVIPC |
| 93 | #define USE_UTIME |
| 94 | |
| 95 | /* We don't have memmove. */ |
| 96 | #define memmove(d, s, n) safe_bcopy (s, d, n) |
| 97 | |
| 98 | /* These three lines were new in 18.50. They were said to permit |
| 99 | a demand-paged executable, but someone else says they don't work. |
| 100 | Someone else says they do. They didn't work because errno was an |
| 101 | initialized variable in crt0.c, and because of %splimit (also therein), |
| 102 | both of which have been fixed now. */ |
| 103 | #define SECTION_ALIGNMENT 0x03ff |
| 104 | #define SEGMENT_MASK 0xffff |
| 105 | #define LD_SWITCH_MACHINE -z |
| 106 | |
| 107 | /* Insist on using cc when compiling this. GCC may have been |
| 108 | configured to use GAS syntax, which causes problems. */ |
| 109 | #define CRT0_COMPILE cc -c -O -Demacs |