1: /*
2: This is a generic file for 32-bit machines with IEEE FP arithmetic (no VMS).
3: It only supports indirect threading.
4:
5: Copyright (C) 1995,1998,1999,2003,2007,2008,2010,2012 Free Software Foundation, Inc.
6:
7: This file is part of Gforth.
8:
9: Gforth is free software; you can redistribute it and/or
10: modify it under the terms of the GNU General Public License
11: as published by the Free Software Foundation, either version 3
12: of the License, or (at your option) any later version.
13:
14: This program is distributed in the hope that it will be useful,
15: but WITHOUT ANY WARRANTY; without even the implied warranty of
16: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: GNU General Public License for more details.
18:
19: You should have received a copy of the GNU General Public License
20: along with this program; if not, see http://www.gnu.org/licenses/.
21: */
22:
23: /* define SYSCALL */
24:
25: #ifndef SYSCALL
26: #define SYSCALL
27: #endif
28:
29: #ifndef SYSSIGNALS
30: #define SYSSIGNALS
31: #endif
32:
33: #ifndef USE_FTOS
34: #ifndef USE_NO_FTOS
35: /* keep top of FP stack in register. Since most processors have FP
36: registers and they are hardly used in gforth, this is usually a
37: good idea. The 88100 has no separate FP regs, but many general
38: purpose regs, so it should be ok */
39: #define USE_FTOS
40: #endif
41: #endif
42:
43: #ifndef USE_TOS
44: #ifndef USE_NO_TOS
45: /* keep top of data stack in register. Usually a good idea unless registers are very scarce */
46: #define USE_TOS
47: #endif
48: #endif
49:
50: #ifndef CLOBBER_TOS_WORKAROUND_START
51: #define CLOBBER_TOS_WORKAROUND_START
52: #define CLOBBER_TOS_WORKAROUND_END
53: #endif
54:
55: #ifndef INDIRECT_THREADED
56: #ifndef DIRECT_THREADED
57: #define DIRECT_THREADED
58: #endif
59: #endif
60:
61: /* Types: these types are used as Forth's internal types */
62:
63: /* define this if IEEE singles and doubles are available as C data types */
64: #define IEEE_FP
65:
66: /* the IEEE types are used only for loading and storing */
67: /* the IEEE double precision type */
68: typedef double DFloat;
69: /* the IEEE single precision type */
70: typedef float SFloat;
71:
72: typedef CELL_TYPE Cell;
73: typedef unsigned CELL_TYPE UCell;
74: typedef Cell Bool;
75: typedef unsigned char Char;
76: typedef double Float;
77: typedef Char *Address;
78:
79: #if defined(DOUBLY_INDIRECT)
80: typedef void **Label;
81: #else /* !defined(DOUBLY_INDIRECT) */
82: typedef void *Label;
83: #endif /* !defined(DOUBLY_INDIRECT) */
84:
85: /* feature defines, these setting should be identical to the ones in machpc.fs */
86:
87: #ifndef STANDALONE
88: /* #warning hosted system */
89: #define HAS_FILE
90: #define HAS_FLOATING
91: #define HAS_OS
92: #define HAS_DEBUG
93: #define HAS_GLOCALS
94: #define HAS_HASH
95: #ifndef HAS_PEEPHOLE
96: #define HAS_PEEPHOLE
97: #endif
98: #else
99: #warning standalone system
100: #undef HAS_FILE
101: #undef HAS_FLOATING
102: #undef HAS_OS
103: #undef HAS_DEBUG
104: #undef HAS_GLOCALS
105: #undef HAS_HASH
106: #define HAS_F83HEADERSTRING
107: #ifndef PUTC
108: # define PUTC(x) emit_char(x)
109: #endif
110: #ifndef TYPE
111: # define TYPE(x, l) type_chars(x, l)
112: #endif
113: #endif
114: #define HAS_DCOMPS
115: #define HAS_XCONDS
116: #define HAS_STANDARDTHREADING
117:
118: #if SIZEOF_CHAR_P==8
119: #define HAS_64BIT
120: #endif
121:
122: #define HAS_OBJECTS
123:
124: #define RELINFOBITS 8
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>