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Annotation of GNUtools/emacs/src/m-gec63.h, revision 1.1

1.1     ! root        1: /* m- file for gec63
        !             2:    Copyright (C) 1986 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: /* GEC63 is big-endian: lowest numbered byte is most significant. */
        !            31: 
        !            32: #define BIG_ENDIAN
        !            33: 
        !            34: /* Define how to take a char and sign-extend into an int.
        !            35:    On machines where char is signed, this is a no-op.  */
        !            36: 
        !            37: #define SIGN_EXTEND_CHAR(c) (((c)<<24)>>24)
        !            38: 
        !            39: /* Say this machine is a 68000 */
        !            40: 
        !            41: #define gec63
        !            42: 
        !            43: /* Use an int to represent Lisp_Object */
        !            44: 
        !            45: #define NO_UNION_TYPE
        !            46: 
        !            47: /* GEC63 has alloca in the PW/ux63 library.  */
        !            48: #define LIB_STANDARD -lPW -lc
        !            49: #define HAVE_ALLOCA
        !            50: 
        !            51: /* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT
        !            52:    since there is no /dev/kmem */
        !            53: 
        !            54: #undef ADDR_CORRECT(x)
        !            55: #define NO_ARG_ARRAY
        !            56: 
        !            57: #undef TERMCAP
        !            58: #define TERMINFO
        !            59: 
        !            60: /* Define sizes of portions of a Lisp_Object.  */
        !            61: #define VALBITS 22
        !            62: #define GCTYPEBITS 5
        !            63: 
        !            64: #define VALAMASK (((1<<VALBITS) - 1)| 0xF0000000L)
        !            65: 
        !            66: #define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
        !            67: #define XSETTYPE(a, b) ((a)  =  ((a) & VALAMASK)  +  ((int)(b) << VALBITS))
        !            68: 
        !            69: #define XPNTR(a) ((a) & VALAMASK)
        !            70: #define XSETPNTR(a, b) ((a) = ((a) & ~VALAMASK)  +  ((b) & VALAMASK))
        !            71: 
        !            72: #define XSET(var, type, ptr) \
        !            73:    ((var) = ((int)(type) << VALBITS) + ((int) (ptr) & VALAMASK))
        !            74: 
        !            75: /* Move some garbage-collector flag bits to different bit positions.  */
        !            76: #define ARRAY_MARK_FLAG (1 << 27)
        !            77: #define DONT_COPY_FLAG (1 << 26)
        !            78: 
        !            79: #define NO_REMAP

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