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

1.1       root        1: /* Definitions file for GNU Emacs running on Stride Micro System-V.2.2
                      2:    Copyright (C) 1985, 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: /* 68000 has lowest-numbered byte as most significant */
                     32: 
                     33: #define BIG_ENDIAN
                     34: 
                     35: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
                     36:  * group of arguments and treat it as an array of the arguments.  */
                     37: 
                     38: #undef NO_ARG_ARRAY
                     39: 
                     40: /* Define WORD_MACHINE if addresses and such have
                     41:  * to be corrected before they can be used as byte counts.  */
                     42: 
                     43: #undef WORD_MACHINE
                     44: 
                     45: /* Define how to take a char and sign-extend into an int.
                     46:    On machines where char is signed, this is a no-op.  */
                     47: 
                     48: #define SIGN_EXTEND_CHAR(c) (c)
                     49: 
                     50: /* Now define a symbol for the cpu type, if your compiler
                     51:    does not define it automatically:
                     52:    vax, m68000, ns16000, pyramid, orion, tahoe, APOLLO and STRIDE
                     53:    are the ones defined so far.  */
                     54: 
                     55: #define m68000                 /* because the SGS compiler defines "m68k" */
                     56: #ifndef STRIDE
                     57: #define STRIDE
                     58: #endif
                     59: 
                     60: /* Use type int rather than a union, to represent Lisp_Object */
                     61: /* This is desirable for most machines.  */
                     62: 
                     63: #define NO_UNION_TYPE
                     64: 
                     65: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
                     66:    the 24-bit bit field into an int.  In other words, if bit fields
                     67:    are always unsigned.
                     68: 
                     69:    If you use NO_UNION_TYPE, this flag does not matter.  */
                     70: 
                     71: #define EXPLICIT_SIGN_EXTEND
                     72: 
                     73: /* Data type of load average, as read out of kmem.  */
                     74: 
                     75: #define LOAD_AVE_TYPE double
                     76: 
                     77: /* Convert that into an integer that is 100 for a load average of 1.0  */
                     78: 
                     79: #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
                     80: 
                     81: /* Define CANNOT_DUMP on machines where unexec does not work.
                     82:    Then the function dump-emacs will not be defined
                     83:    and temacs will do (load "loadup") automatically unless told otherwise.  */
                     84: 
                     85: #undef CANNOT_DUMP
                     86: 
                     87: /* Define VIRT_ADDR_VARIES if the virtual addresses of
                     88:    pure and impure space as loaded can vary, and even their
                     89:    relative order cannot be relied on.
                     90: 
                     91:    Otherwise Emacs assumes that text space precedes data space,
                     92:    numerically.  */
                     93: 
                     94: #undef VIRT_ADDR_VARIES
                     95: 
                     96: /* The STRIDE system is more powerful than standard USG5.  */
                     97: 
                     98: #define HAVE_PTYS
                     99: #define HAVE_TIMEVAL
                    100: #define HAVE_SELECT
                    101: #define HAVE_GETTIMEOFDAY
                    102: #define BSTRING
                    103: #define SKTPAIR
                    104: #define HAVE_SOCKETS
                    105: 
                    106: #define MAIL_USE_FLOCK
                    107: #undef TERMINFO
                    108: #define EXEC_MAGIC 0413
                    109: 
                    110: /* USG wins again: Foo! I can't get SIGIO to work properly on the Stride, because I'm
                    111:    running a System V variant, and don't have a reliable way to block SIGIO
                    112:    signals without losing them.  So, I've gone back to non-SIGIO mode, so
                    113:    please append this line to the file "m-stride.h":
                    114:  */
                    115: #undef SIGIO
                    116: 
                    117: /* Specify alignment requirement for start of text and data sections
                    118:    in the executable file.  */
                    119: 
                    120: #define SECTION_ALIGNMENT (getpagesize() - 1)
                    121: 
                    122: /*
                    123:  * UniStride has this in /lib/libc.a.
                    124:  */
                    125: #undef NONSYSTEM_DIR_LIBRARY
                    126: 
                    127: /* UniStride defines getwd.  */
                    128: 
                    129: #define HAVE_GETWD
                    130: 
                    131: 

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