Annotation of gforth/vmgen-ex/mini.h, revision 1.4
1.1 anton 1: /* support functions for vmgen example
2:
3: Copyright (C) 2001 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 2
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, write to the Free Software
19: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20: */
21:
22: #include <stdio.h>
23:
1.4 ! anton 24: #ifdef __GNUC__
1.1 anton 25: typedef void *Label;
26: typedef void *Inst; /* for direct threading, the same as Label */
1.4 ! anton 27: #else
! 28: typedef long Label;
! 29: typedef long Inst;
! 30: #endif
1.1 anton 31: typedef long Cell;
32:
33: extern Inst *vm_prim;
34: extern int locals;
35: extern Cell peeptable;
36: extern int vm_debug;
37: extern FILE *yyin;
38: extern int yylineno;
39: extern char *program_name;
40: extern FILE *vm_out;
41: extern Inst *vmcodep;
42: extern Inst *last_compiled;
1.2 anton 43: extern Inst *vmcode_end;
1.1 anton 44:
45: /* generic vmgen support functions (e.g., wrappers) */
46: void gen_inst(Inst **vmcodepp, Inst i);
47: void init_peeptable(void);
48: void vm_disassemble(Inst *ip, Inst *endp, Inst prim[]);
49: void vm_count_block(Inst *ip);
50: struct block_count *block_insert(Inst *ip);
1.2 anton 51: void vm_print_profile(FILE *file);
1.3 anton 52: #define VM_IS_INST(inst, n) ((inst) == vm_prim[n])
1.1 anton 53:
54: /* mini type-specific support functions */
55: void genarg_i(Inst **vmcodepp, Cell i);
56: void printarg_i(Cell i);
57: void genarg_target(Inst **vmcodepp, Inst *target);
58: void printarg_target(Inst *target);
59: void printarg_a(char *a);
1.2 anton 60: void printarg_Cell(Cell i);
1.1 anton 61:
62: /* engine functions (type not fixed) */
63: Cell engine(Inst *ip0, Cell *sp, char *fp);
64: Cell engine_debug(Inst *ip0, Cell *sp, char *fp);
65:
66: /* other generic functions */
67: int yyparse(void);
68:
69: /* mini-specific functions */
70: void insert_func(char *name, Inst *start, int locals, int nonparams);
71: Inst *func_addr(char *name);
72: Cell func_calladjust(char *name);
73: void insert_local(char *name);
74: Cell var_offset(char *name);
75: void gen_main_end(void);
76:
77: /* stack pointer change for a function with n nonparams */
78: #define adjust(n) ((n) * -sizeof(Cell))
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