1: /* header file for libcc-generated C code
2:
3: Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
4:
5: This file is part of Gforth.
6:
7: Gforth is free software; you can redistribute it and/or
8: modify it under the terms of the GNU General Public License
9: as published by the Free Software Foundation, either version 3
10: of the License, or (at your option) any later version.
11:
12: This program is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with this program. If not, see http://www.gnu.org/licenses/.
19: */
20:
21: #include <gforth/@PACKAGE_VERSION@/config.h>
22:
23: #if defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
24: #undef HAS_BACKLINK
25: #else
26: #define HAS_BACKLINK 1
27: #endif
28:
29: typedef CELL_TYPE Cell;
30: typedef double Float;
31:
32: #define Clongest long long
33: typedef unsigned Clongest UClongest;
34:
35: #ifdef HAS_BACKLINK
36: extern __thread Cell *gforth_SP;
37: extern __thread Float *gforth_FP;
38: extern __thread Cell *gforth_RP;
39: extern __thread char *gforth_LP;
40: extern __thread char *gforth_UP;
41: extern void *gforth_engine(void *, Cell *, Cell *, Float *, char *, char *);
42: extern char *cstr(char *from, Cell size);
43: extern char *tilde_cstr(char *from, Cell size);
44: #define GFORTH_ARGS void
45: #else
46: #define gforth_SP *((Cell **)(gforth_pointers[0]))
47: #define gforth_FP *((Float **)(gforth_pointers[1]))
48: #define gforth_LP *((char **)(gforth_pointers[2]))
49: #define gforth_RP *((Cell **)(gforth_pointers[3]))
50: #define gforth_UP *((char **)(gforth_pointers[4]))
51: #define gforth_engine ((char *(*)(Xt *, Cell *, Cell *, Float *, char *, char *))(((void **)(gforth_pointers[5]))))
52: #define cstr ((char *(*)(char *, Cell))(((void **)(gforth_pointers[6]))))
53: #define tilde_cstr ((char *(*)(char *, Cell))(((void **)(gforth_pointers[7]))))
54: #define GFORTH_ARGS void ** gforth_pointers
55: #endif
56:
57: #define CELL_BITS (sizeof(Cell) * 8)
58:
59: #define gforth_d2ll(lo,hi) \
60: ((sizeof(Cell) < sizeof(Clongest)) \
61: ? (((UClongest)(lo))|(((UClongest)(hi))<<CELL_BITS)) \
62: : (lo))
63:
64: #define gforth_ll2d(ll,lo,hi) \
65: do { \
66: UClongest _ll = (ll); \
67: (lo) = (Cell)_ll; \
68: (hi) = ((sizeof(Cell) < sizeof(Clongest)) \
69: ? (_ll >> CELL_BITS) \
70: : 0); \
71: } while (0);
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