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Annotation of GNUtools/emacs/src/m-pfa50.h, revision 1.1.1.1

1.1       root        1: /* m- file for PFU A-series.
                      2:    Copyright (C) 1988 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: /* 68000 has lowest-numbered byte as 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) ((((int) (c)) << 24) >> 24)
                     39: 
                     40: /* Say this machine is a 68000 */
                     41: 
                     42: #define m68000
                     43: #define mc68000 1
                     44: 
                     45: /* Use type int rather than a union, to represent Lisp_Object */
                     46: 
                     47: #define NO_UNION_TYPE
                     48: 
                     49: /* XINT must explicitly sign-extend */
                     50: 
                     51: #define EXPLICIT_SIGN_EXTEND
                     52: 
                     53: /* The symbol FIONREAD is defined, but the feature does not work.  */
                     54: 
                     55: #define BROKEN_FIONREAD
                     56: 
                     57: /* Define NO_REMAP if memory segmentation makes it not work well
                     58:    to change the boundary between the text section and data section
                     59:    when Emacs is dumped.  If you define this, the preloaded Lisp
                     60:    code will not be sharable; but that's better than failing completely.  */
                     61: 
                     62: #define NO_REMAP
                     63: 
                     64: /* Define TEXT_START_ADDR if your linker don't set execute point to _start.
                     65:    If it needed, temacs always CORE-DUMP.      */
                     66: 
                     67: #define TEXT_START_ADDR __start
                     68: 
                     69: /* Define START_FILES if your machine used _start.
                     70:  */
                     71: 
                     72: #define START_FILES crt0.o
                     73: 
                     74: /* Define LD_SWITCH_MACHINE if your linker need it.
                     75:  */
                     76: 
                     77: #define LD_SWITCH_MACHINE -e __start
                     78: 
                     79: #if    pfa50 || pfa70
                     80: 
                     81: /* On A-50/60/70/80, data space has high order byte use. */
                     82: #define VALMASK (((1<<VALBITS) - 1) | 0x60000000)
                     83: #define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & 0x1f))
                     84: #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & 0x1f))
                     85: 
                     86: #endif /* pfa50, pfa70 */
                     87: 
                     88: /* SX/A has alloca in the PW library.  */
                     89: 
                     90: #define LIB_STANDARD -lPW -lc
                     91: #define HAVE_ALLOCA
                     92: 
                     93: /* SX/A uses terminfo and lib/curses   */
                     94: 
                     95: #define TERMINFO
                     96: 
                     97: #define HAVE_TIMEVAL
                     98: #define HAVE_SELECT
                     99: #define HAVE_PTYS
                    100: #define HAVE_SOCKETS
                    101: #define HAVE_RENAME
                    102: 
                    103: /* SX/A use SystemV style getdents/readdir. */
                    104: #define HAVE_CLOSEDIR
                    105: 
                    106: /* SX/A does not have sigpause.  */
                    107: #undef HAVE_SYSV_SIGPAUSE
                    108: 
                    109: /* SX/A does not have sigblock.  */
                    110: #define sigblock(mask) (0)
                    111: 
                    112: #define USG_SYS_TIME
                    113: #define USE_UTIME
                    114: 
                    115: #define NO_SIOCTL_H
                    116: 
                    117: #undef SIGIO

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