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Annotation of GNUtools/emacs/src/m-intel860.h, revision 1.1.1.1

1.1       root        1: /* m- file for intel 860.
                      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: /* i860 is not big-endian: lowest numbered byte is least significant. */
                     31: 
                     32: /* #undef 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 WORD_MACHINE if addresses and such have
                     40:  * to be corrected before they can be used as byte counts.  */
                     41: 
                     42: /* #define WORD_MACHINE */
                     43: 
                     44: /* Define how to take a char and sign-extend into an int.
                     45:    On machines where char is signed, this is a no-op.  */
                     46: 
                     47: #define SIGN_EXTEND_CHAR(c) (c)
                     48: 
                     49: /* Now define a symbol for the cpu type, if your compiler
                     50:    does not define it automatically:
                     51:    Ones defined so far include vax, m68000, ns16000, pyramid,
                     52:    orion, tahoe, APOLLO and many others */
                     53: 
                     54: #define INTEL860
                     55: 
                     56: #undef DATA_SEG_BITS
                     57: 
                     58: /* Use type int rather than a union, to represent Lisp_Object */
                     59: 
                     60: #define NO_UNION_TYPE
                     61: 
                     62: /* crt0.c, if it is used, should use the i386-bsd style of entry.
                     63:    with no extra dummy args.  On USG and XENIX,
                     64:    NO_REMAP says this isn't used. */
                     65: 
                     66: #define CRT0_DUMMIES bogus_fp,
                     67: 
                     68: /* crt0.c should define a symbol `start' and do .globl with a dot.  */
                     69: 
                     70: #define DOT_GLOBAL_START
                     71: 
                     72: /* These things for load average are right for USG V.4.  */
                     73: 
                     74: /* Data type of load average, as read out of kmem.  */
                     75: #define LOAD_AVE_TYPE long
                     76: /* Convert that into an integer that is 100 for a load average of 1.0  */
                     77: #define LOAD_AVE_CVT(x) ((int) (((double) (x)) * 100.0 / FSCALE))
                     78: #define FSCALE 256.0         /* determined by experimentation...  */
                     79: 
                     80: /* Define CANNOT_DUMP on machines where unexec does not work.
                     81:    Then the function dump-emacs will not be defined
                     82:    and temacs will do (load "loadup") automatically unless told otherwise.  */
                     83: 
                     84: /* #define CANNOT_DUMP */
                     85: 
                     86: /* Define VIRT_ADDR_VARIES if the virtual addresses of
                     87:    pure and impure space as loaded can vary, and even their
                     88:    relative order cannot be relied on.
                     89: 
                     90:    Otherwise Emacs assumes that text space precedes data space,
                     91:    numerically.  */
                     92: 
                     93: /* #define VIRT_ADDR_VARIES */
                     94: 
                     95: 
                     96: #ifdef USG
                     97: 
                     98: #ifndef LIB_STANDARD
                     99: #define LIB_STANDARD -lPW -lc
                    100: #endif
                    101: 
                    102: #define C_ALLOCA
                    103: /* #define HAVE_ALLOCA */
                    104: #define NO_REMAP 
                    105: #define TEXT_START 0
                    106: #endif /* USG */
                    107: 
                    108: #ifdef BSD
                    109: #define HAVE_ALLOCA
                    110: #endif /* BSD */
                    111: 
                    112: /* If compiling with GCC, let GCC implement alloca.  */
                    113: #if defined(__GNUC__) && !defined(alloca)
                    114: #define alloca(n) __builtin_alloca(n)
                    115: #define HAVE_ALLOCA
                    116: #endif

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