Return to m-gec63.h CVS log

Up to [CSRG BSD Unix] / 43BSDReno / contrib / emacs-18.55 / src

Annotation of 43BSDReno/contrib/emacs-18.55/src/m-gec63.h, revision 1.1.1.1

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 distributed in the hope that it will be useful,
                      7: but WITHOUT ANY WARRANTY.  No author or distributor
                      8: accepts responsibility to anyone for the consequences of using it
                      9: or for whether it serves any particular purpose or works at all,
                     10: unless he says so in writing.  Refer to the GNU Emacs General Public
                     11: License for full details.
                     12: 
                     13: Everyone is granted permission to copy, modify and redistribute
                     14: GNU Emacs, but only under the conditions described in the
                     15: GNU Emacs General Public License.   A copy of this license is
                     16: supposed to have been given to you along with GNU Emacs so you
                     17: can know your rights and responsibilities.  It should be in a
                     18: file named COPYING.  Among other things, the copyright notice
                     19: and this notice must be preserved on all copies.  */
                     20: 
                     21: 
                     22: /* The following three symbols give information on
                     23:  the size of various data types.  */
                     24: 
                     25: #define SHORTBITS 16           /* Number of bits in a short */
                     26: 
                     27: #define INTBITS 32             /* Number of bits in an int */
                     28: 
                     29: #define LONGBITS 32            /* Number of bits in a long */
                     30: 
                     31: /* GEC63 is big-endian: lowest numbered byte is most significant. */
                     32: 
                     33: #define BIG_ENDIAN
                     34: 
                     35: /* Define how to take a char and sign-extend into an int.
                     36:    On machines where char is signed, this is a no-op.  */
                     37: 
                     38: #define SIGN_EXTEND_CHAR(c) (((c)<<24)>>24)
                     39: 
                     40: /* Say this machine is a 68000 */
                     41: 
                     42: #define gec63
                     43: 
                     44: /* Use an int to represent Lisp_Object */
                     45: 
                     46: #define NO_UNION_TYPE
                     47: 
                     48: /* GEC63 has alloca in the PW/ux63 library.  */
                     49: #define LIB_STANDARD -lPW -lc
                     50: #define HAVE_ALLOCA
                     51: 
                     52: /* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT
                     53:    since there is no /dev/kmem */
                     54: 
                     55: #undef ADDR_CORRECT(x)
                     56: #define NO_ARG_ARRAY
                     57: 
                     58: #undef TERMCAP
                     59: #define TERMINFO
                     60: 
                     61: /* Define sizes of portions of a Lisp_Object.  */
                     62: #define VALBITS 22
                     63: #define GCTYPEBITS 5
                     64: 
                     65: #define VALAMASK (((1<<VALBITS) - 1)| 0xF0000000L)
                     66: 
                     67: #define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
                     68: #define XSETTYPE(a, b) ((a)  =  ((a) & VALAMASK)  +  ((int)(b) << VALBITS))
                     69: 
                     70: #define XPNTR(a) ((a) & VALAMASK)
                     71: #define XSETPNTR(a, b) ((a) = ((a) & ~VALAMASK)  +  ((b) & VALAMASK))
                     72: 
                     73: #define XSET(var, type, ptr) \
                     74:    ((var) = ((int)(type) << VALBITS) + ((int) (ptr) & VALAMASK))
                     75: 
                     76: /* Move some garbage-collector flag bits to different bit positions.  */
                     77: #define ARRAY_MARK_FLAG (1 << 27)
                     78: #define DONT_COPY_FLAG (1 << 26)
                     79: 
                     80: #define NO_REMAP

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.