1: /* header file for libcc-generated C code
2:
3: Copyright (C) 2006,2007,2008,2012 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__) || defined(__ANDROID__)
24: #undef HAS_BACKLINK
25: #else
26: #define HAS_BACKLINK 1
27: #endif
28:
29: typedef CELL_TYPE Cell;
30: typedef unsigned char Char;
31: typedef double Float;
32: typedef Char *Address;
33: typedef void **Xt;
34:
35: #define Clongest long long
36: typedef unsigned Clongest UClongest;
37:
38: typedef struct {
39: Cell next_task;
40: Cell prev_task;
41: Cell save_task;
42: Cell* sp0;
43: Cell* rp0;
44: Float* fp0;
45: Address lp0;
46: Xt *throw_entry;
47: } user_area;
48:
49: #ifdef HAS_BACKLINK
50: extern __thread Cell *gforth_SP;
51: extern __thread Float *gforth_FP;
52: extern __thread Cell *gforth_RP;
53: extern __thread char *gforth_LP;
54: extern __thread char *gforth_UP;
55: extern void *gforth_engine(void *);
56: extern char *cstr(char *from, Cell size);
57: extern char *tilde_cstr(char *from, Cell size);
58: extern __thread void *throw_jmp_handler;
59: extern user_area* gforth_stacks(Cell dsize, Cell rsize, Cell fsize, Cell lsize);
60: extern void gforth_free_stacks(user_area* t);
61: #define GFORTH_ARGS void
62: #else
63: #define gforth_SP *((Cell **)(gforth_pointers(0)))
64: #define gforth_FP *((Float **)(gforth_pointers(1)))
65: #define gforth_LP *((char **)(gforth_pointers(2)))
66: #define gforth_RP *((Cell **)(gforth_pointers(3)))
67: #define gforth_UP *((char **)(gforth_pointers(4)))
68: #define gforth_engine ((char *(*)(void *))gforth_pointers(5))
69: #define cstr ((char *(*)(char *, Cell))gforth_pointers(6))
70: #define tilde_cstr ((char *(*)(char *, Cell))gforth_pointers(7))
71: #define throw_jmp_handler *((void**)(gforth_pointers(8)))
72: #define gforth_stacks ((user_area *(*)(Cell, Cell, Cell, Cell))gforth_pointers(9))
73: #define gforth_free_stacks ((void(*)(user_area* t))gforth_pointers(10))
74: #define GFORTH_ARGS void *(*gforth_pointers)(Cell)
75: #endif
76:
77: #define CELL_BITS (sizeof(Cell) * 8)
78:
79: #define gforth_d2ll(lo,hi) \
80: ((sizeof(Cell) < sizeof(Clongest)) \
81: ? (((UClongest)(lo))|(((UClongest)(hi))<<CELL_BITS)) \
82: : (lo))
83:
84: #define gforth_ll2d(ll,lo,hi) \
85: do { \
86: UClongest _ll = (ll); \
87: (lo) = (Cell)_ll; \
88: (hi) = ((sizeof(Cell) < sizeof(Clongest)) \
89: ? (_ll >> CELL_BITS) \
90: : 0); \
91: } while (0);
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