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1.1 root 1: /* m- file for WICAT machines.
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: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
31: is the most significant byte. */
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 are the ones defined so far. */
53:
54: #ifndef m68000
55: #define m68000
56: #endif
57:
58: /* This flag is used only in alloca.s. */
59: #define WICAT
60:
61: /* Use type int rather than a union, to represent Lisp_Object */
62:
63: #define NO_UNION_TYPE
64:
65: /* XINT must explicitly sign-extend */
66:
67: #define EXPLICIT_SIGN_EXTEND
68:
69: /* Data type of load average, as read out of kmem. */
70:
71: #undef LOAD_AVE_TYPE
72:
73: /* Convert that into an integer that is 100 for a load average of 1.0 */
74:
75: #undef LOAD_AVE_CVT
76:
77: /* Define CANNOT_DUMP on machines where unexec does not work.
78: Then the function dump-emacs will not be defined
79: and temacs will do (load "loadup") automatically unless told otherwise. */
80:
81: #undef CANNOT_DUMP
82:
83: /* Define VIRT_ADDR_VARIES if the virtual addresses of
84: pure and impure space as loaded can vary, and even their
85: relative order cannot be relied on.
86:
87: Otherwise Emacs assumes that text space precedes data space,
88: numerically. */
89:
90: #undef VIRT_ADDR_VARIES
91:
92: /* Define C_ALLOCA if this machine does not support a true alloca
93: and the one written in C should be used instead.
94: Define HAVE_ALLOCA to say that the system provides a properly
95: working alloca function and it should be used.
96: Define neither one if an assembler-language alloca
97: in the file alloca.s should be used. */
98:
99: /* For the Wicat C compiler version 4.2, this can be removed
100: and the alloca in alloca.s used. */
101: #define C_ALLOCA
102: #define STACK_DIRECTION -1 /* grows towards lower addresses on WICAT */
103:
104: /* Define NO_REMAP if memory segmentation makes it not work well
105: to change the boundary between the text section and data section
106: when Emacs is dumped. If you define this, the preloaded Lisp
107: code will not be sharable; but that's better than failing completely. */
108:
109: #undef NO_REMAP
110:
111: /* For WICAT, define TAHOE_REGISTER_BUG if you have a pre-4.2 C compiler */
112:
113: #define TAHOE_REGISTER_BUG
114:
115: /* pagesize definition */
116:
117: #define EXEC_PAGESIZE 0x1000
118:
119: /* Delete this for WICAT sys V releases before 2.0. */
120:
121: #define LIB_STANDARD -lc-nofp
122:
123: /* Special magic number */
124:
125: #define EXEC_MAGIC MC68ROMAGIC
126:
127: /* Special switches to give to ld. */
128:
129: #define LD_SWITCH_MACHINE -e __start -N
130:
131: /* Sigh...cannot define this for WICAT cuz 0 length memcpy blows chunks */
132:
133: #undef BSTRING
134:
135: #ifdef BSTRING
136: #undef bcopy
137: #undef bzero
138: #undef bcmp
139:
140: #define bcopy(a,b,s) memcpy(b,a,s)
141: #define bzero(a,s) memset(a,0,s)
142: #define bcmp memcmp
143: #endif
144:
145: /*
146: * Define optimflags if you want to optimize.
147: * - Set to null string for pre-4.2 C compiler
148: * - Set to "-O -Wopt,-O-f" for 4.2
149: */
150:
151: #define C_OPTIMIZE_SWITCH /* -O -Wopt,-O-f */
152:
153: /* For WICAT version supporting PTYs and select (currently internal only) */
154:
155: #ifdef HAVE_PTYS
156: #undef FIRST_PTY_LETTER
157: #define FIRST_PTY_LETTER 'q'
158: #endif
159:
160: /* there is a select() in libcurses.a that causes a conflict so use termlib */
161: #ifdef HAVE_SELECT
162: #undef TERMINFO
163: #define LIBS_TERMCAP select.o -ltermlib
164: #endif
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