version 1.13, 1995/01/19 17:48:02
|
version 1.22, 1996/05/23 15:13:08
|
Line 1
|
Line 1
|
/* |
/* common header file |
Copyright 1992 by the ANSI figForth Development Group |
|
|
Copyright (C) 1995 Free Software Foundation, Inc. |
|
|
|
This file is part of Gforth. |
|
|
|
Gforth is free software; you can redistribute it and/or |
|
modify it under the terms of the GNU General Public License |
|
as published by the Free Software Foundation; either version 2 |
|
of the License, or (at your option) any later version. |
|
|
|
This program is distributed in the hope that it will be useful, |
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
GNU General Public License for more details. |
|
|
|
You should have received a copy of the GNU General Public License |
|
along with this program; if not, write to the Free Software |
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
*/ |
*/ |
|
|
/* common header file */ |
#include "config.h" |
|
#include <limits.h> |
|
|
typedef void *Label; |
typedef void *Label; |
|
|
Line 13 typedef void *Label;
|
Line 31 typedef void *Label;
|
#define DOVAR 2 |
#define DOVAR 2 |
#define DOUSER 3 |
#define DOUSER 3 |
#define DODEFER 4 |
#define DODEFER 4 |
#define DODOES 5 |
#define DOFIELD 5 |
#define DOESJUMP 6 |
#define DODOES 6 |
|
#define DOESJUMP 7 |
|
|
#include "machine.h" |
#include "machine.h" |
|
|
/* Forth data types */ |
/* Forth data types */ |
typedef int Bool; |
/* Cell and UCell must be the same size as a pointer */ |
|
typedef CELL_TYPE Cell; |
|
typedef unsigned CELL_TYPE UCell; |
|
#define CELL_BITS (sizeof(Cell) * CHAR_BIT) |
|
typedef Cell Bool; |
#define FLAG(b) (-(b)) |
#define FLAG(b) (-(b)) |
#define FILEIO(error) (FLAG(error) & -37) |
#define FILEIO(error) (FLAG(error) & -37) |
#define FILEEXIST(error) (FLAG(error) & -38) |
#define FILEEXIST(error) (FLAG(error) & -38) |
Line 31 typedef unsigned char Char;
|
Line 54 typedef unsigned char Char;
|
typedef double Float; |
typedef double Float; |
typedef char *Address; |
typedef char *Address; |
|
|
|
#ifdef BUGGY_LONG_LONG |
|
typedef struct { |
|
Cell hi; |
|
UCell lo; |
|
} DCell; |
|
|
|
typedef struct { |
|
UCell hi; |
|
UCell lo; |
|
} UDCell; |
|
|
|
#define FETCH_DCELL(d,lo,hi) ((d)=(typeof(d)){(hi),(lo)}) |
|
#define STORE_DCELL(d,low,high) ({ \ |
|
typeof(d) _d = (d); \ |
|
(low) = _d.lo; \ |
|
(high)= _d.hi; \ |
|
}) |
|
|
|
#define LONG2UD(l) ({UDCell _ud; _ud.hi=0; _ud.lo=(Cell)(l); _ud;}) |
|
#define UD2LONG(ud) ((long)(ud.lo)) |
|
#define DZERO ((DCell){0,0}) |
|
|
|
#else /* ! defined(BUGGY_LONG_LONG) */ |
|
|
|
/* DCell and UDCell must be twice as large as Cell */ |
|
typedef DOUBLE_CELL_TYPE DCell; |
|
typedef unsigned DOUBLE_CELL_TYPE UDCell; |
|
|
|
typedef union { |
|
struct { |
|
#ifdef WORDS_BIGENDIAN |
|
Cell high; |
|
UCell low; |
|
#else |
|
UCell low; |
|
Cell high; |
|
#endif; |
|
} cells; |
|
DCell dcell; |
|
} Double_Store; |
|
|
|
#define FETCH_DCELL(d,lo,hi) ({ \ |
|
Double_Store _d; \ |
|
_d.cells.low = (lo); \ |
|
_d.cells.high = (hi); \ |
|
(d) = _d.dcell; \ |
|
}) |
|
|
|
#define STORE_DCELL(d,lo,hi) ({ \ |
|
Double_Store _d; \ |
|
_d.dcell = (d); \ |
|
(lo) = _d.cells.low; \ |
|
(hi) = _d.cells.high; \ |
|
}) |
|
|
|
#define LONG2UD(l) ((UDCell)(l)) |
|
#define UD2LONG(ud) ((long)(ud)) |
|
#define DZERO ((DCell)0) |
|
|
|
#endif /* ! defined(BUGGY_LONG_LONG) */ |
|
|
#ifdef DIRECT_THREADED |
#ifdef DIRECT_THREADED |
typedef Label Xt; |
typedef Label Xt; |
#else |
#else |
typedef Label *Xt; |
typedef Label *Xt; |
#endif |
#endif |
|
|
Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp); |
|
|
|
#ifndef DIRECT_THREADED |
#ifndef DIRECT_THREADED |
/* i.e. indirect threaded */ |
/* i.e. indirect threaded */ |
/* the direct threaded version is machine dependent and resides in machine.h */ |
/* the direct threaded version is machine dependent and resides in machine.h */ |
Line 61 Label *engine(Xt *ip, Cell *sp, Cell *rp
|
Line 143 Label *engine(Xt *ip, Cell *sp, Cell *rp
|
/* the does handler resides between DOES> and the following Forth code */ |
/* the does handler resides between DOES> and the following Forth code */ |
#define DOES_HANDLER_SIZE (2*sizeof(Cell)) |
#define DOES_HANDLER_SIZE (2*sizeof(Cell)) |
#define MAKE_DOES_HANDLER(addr) 0 /* do nothing */ |
#define MAKE_DOES_HANDLER(addr) 0 /* do nothing */ |
#endif |
#endif /* !defined(DIRECT_THREADED) */ |
|
|
#ifdef DEBUG |
#ifdef DEBUG |
# define NAME(string) fprintf(stderr,"%08x: "string"\n",(Cell)ip); |
# define NAME(string) fprintf(stderr,"%08lx: "string"\n",(Cell)ip); |
#else |
#else |
# define NAME(string) |
# define NAME(string) |
#endif |
#endif |
Line 73 Label *engine(Xt *ip, Cell *sp, Cell *rp
|
Line 155 Label *engine(Xt *ip, Cell *sp, Cell *rp
|
|
|
#define CF_NIL -1 |
#define CF_NIL -1 |
|
|
#ifndef CACHE_FLUSH |
#ifndef FLUSH_ICACHE |
# define CACHE_FLUSH(addr,size) |
#warning flush-icache probably will not work (see manual) |
|
# define FLUSH_ICACHE(addr,size) |
|
#endif |
|
|
|
#ifdef DIRECT_THREADED |
|
#define CACHE_FLUSH(addr,size) FLUSH_ICACHE(addr,size) |
|
#else |
|
#define CACHE_FLUSH(addr,size) |
#endif |
#endif |
|
|
|
Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp); |
|
|
|
/* dblsub routines */ |
|
DCell dnegate(DCell d1); |
|
UDCell ummul (UCell a, UCell b); |
|
DCell mmul (Cell a, Cell b); |
|
UDCell umdiv (UDCell u, UCell v); |
|
DCell smdiv (DCell num, Cell denom); |
|
DCell fmdiv (DCell num, Cell denom); |
|
|
|
int memcasecmp(const char *s1, const char *s2, long n); |
|
|