version 1.11, 1999/02/06 22:28:24
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version 1.26, 2001/02/06 16:53:07
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/* Gforth virtual machine (aka inner interpreter) |
/* Gforth virtual machine (aka inner interpreter) |
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Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. |
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This file is part of Gforth. |
This file is part of Gforth. |
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You should have received a copy of the GNU General Public License |
You should have received a copy of the GNU General Public License |
along with this program; if not, write to the Free Software |
along with this program; if not, write to the Free Software |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
*/ |
*/ |
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#include "config.h" |
#include "config.h" |
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#include <sys/time.h> |
#include <sys/time.h> |
#include <unistd.h> |
#include <unistd.h> |
#include <pwd.h> |
#include <pwd.h> |
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#include <dirent.h> |
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#include <sys/resource.h> |
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#ifdef HAVE_FNMATCH_H |
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#include <fnmatch.h> |
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#else |
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#include "fnmatch.h" |
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#endif |
#else |
#else |
#include "systypes.h" |
#include "systypes.h" |
#endif |
#endif |
Line 65 struct F83Name {
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Line 72 struct F83Name {
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char name[0]; |
char name[0]; |
}; |
}; |
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/* are macros for setting necessary? */ |
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#define F83NAME_COUNT(np) ((np)->countetc & 0x1f) |
#define F83NAME_COUNT(np) ((np)->countetc & 0x1f) |
#define F83NAME_SMUDGE(np) (((np)->countetc & 0x40) != 0) |
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#define F83NAME_IMMEDIATE(np) (((np)->countetc & 0x20) != 0) |
struct Longname { |
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struct Longname *next; /* the link field for old hands */ |
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Cell countetc; |
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char name[0]; |
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}; |
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#define LONGNAME_COUNT(np) ((np)->countetc & (((~((UCell)0))<<3)>>3)) |
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Cell *SP; |
Cell *SP; |
Float *FP; |
Float *FP; |
Line 80 int emitcounter;
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Line 92 int emitcounter;
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#endif |
#endif |
#define NULLC '\0' |
#define NULLC '\0' |
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#ifdef MEMCMP_AS_SUBROUTINE |
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extern int gforth_memcmp(const char * s1, const char * s2, size_t n); |
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#define memcmp(s1,s2,n) gforth_memcmp(s1,s2,n) |
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#endif |
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#ifdef HAS_FILE |
#ifdef HAS_FILE |
char *cstr(Char *from, UCell size, int clear) |
char *cstr(Char *from, UCell size, int clear) |
/* return a C-string corresponding to the Forth string ( FROM SIZE ). |
/* return a C-string corresponding to the Forth string ( FROM SIZE ). |
Line 132 char *tilde_cstr(Char *from, UCell size,
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Line 149 char *tilde_cstr(Char *from, UCell size,
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UCell i; |
UCell i; |
for (i=1; i<size && from[i]!='/'; i++) |
for (i=1; i<size && from[i]!='/'; i++) |
; |
; |
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if (i==2 && from[1]=='+') /* deal with "~+", i.e., the wd */ |
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return cstr(from+3, size<3?0:size-3,clear); |
{ |
{ |
char user[i]; |
char user[i]; |
memcpy(user,from+1,i-1); |
memcpy(user,from+1,i-1); |
Line 156 char *tilde_cstr(Char *from, UCell size,
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Line 175 char *tilde_cstr(Char *from, UCell size,
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} |
} |
#endif |
#endif |
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DCell timeval2us(struct timeval *tvp) |
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{ |
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#ifndef BUGGY_LONG_LONG |
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return (tvp->tv_sec*(DCell)1000000)+tvp->tv_usec; |
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#else |
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DCell d2; |
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DCell d1=mmul(tvp->tv_sec,1000000); |
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d2.lo = d1.lo+tvp->tv_usec; |
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d2.hi = d1.hi + (d2.lo<d1.lo); |
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return d2; |
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#endif |
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} |
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#define NEWLINE '\n' |
#define NEWLINE '\n' |
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#ifndef HAVE_RINT |
#ifndef HAVE_RINT |
Line 163 char *tilde_cstr(Char *from, UCell size,
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Line 195 char *tilde_cstr(Char *from, UCell size,
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#endif |
#endif |
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#ifdef HAS_FILE |
#ifdef HAS_FILE |
static char* fileattr[6]={"r","rb","r+","r+b","w","wb"}; |
static char* fileattr[6]={"rb","rb","r+b","r+b","wb","wb"}; |
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#ifndef O_BINARY |
#ifndef O_BINARY |
#define O_BINARY 0 |
#define O_BINARY 0 |
Line 173 static char* fileattr[6]={"r","rb","r+",
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Line 205 static char* fileattr[6]={"r","rb","r+",
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#endif |
#endif |
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static int ufileattr[6]= { |
static int ufileattr[6]= { |
O_RDONLY|O_TEXT, O_RDONLY|O_BINARY, |
O_RDONLY|O_BINARY, O_RDONLY|O_BINARY, |
O_RDWR |O_TEXT, O_RDWR |O_BINARY, |
O_RDWR |O_BINARY, O_RDWR |O_BINARY, |
O_WRONLY|O_TEXT, O_WRONLY|O_BINARY }; |
O_WRONLY|O_BINARY, O_WRONLY|O_BINARY }; |
#endif |
#endif |
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/* conversion on fetch */ |
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#define vm_Cell2f(x) ((Bool)(x)) |
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#define vm_Cell2c(x) ((Char)(x)) |
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#define vm_Cell2n(x) ((Cell)x) |
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#define vm_Cell2w(x) ((Cell)x) |
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#define vm_Cell2u(x) ((UCell)(x)) |
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#define vm_Cell2a_(x) ((Cell *)(x)) |
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#define vm_Cell2c_(x) ((Char *)(x)) |
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#define vm_Cell2f_(x) ((Float *)(x)) |
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#define vm_Cell2df_(x) ((DFloat *)(x)) |
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#define vm_Cell2sf_(x) ((SFloat *)(x)) |
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#define vm_Cell2xt(x) ((Xt)(x)) |
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#define vm_Cell2f83name(x) ((struct F83Name *)(x)) |
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#define vm_Cell2longname(x) ((struct Longname *)(x)) |
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#define vm_Float2r(x) (x) |
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/* conversion on store */ |
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#define vm_f2Cell(x) ((Cell)(x)) |
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#define vm_c2Cell(x) ((Cell)(x)) |
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#define vm_n2Cell(x) ((Cell)(x)) |
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#define vm_w2Cell(x) ((Cell)(x)) |
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#define vm_u2Cell(x) ((Cell)(x)) |
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#define vm_a_2Cell(x) ((Cell)(x)) |
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#define vm_c_2Cell(x) ((Cell)(x)) |
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#define vm_f_2Cell(x) ((Cell)(x)) |
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#define vm_df_2Cell(x) ((Cell)(x)) |
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#define vm_sf_2Cell(x) ((Cell)(x)) |
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#define vm_xt2Cell(x) ((Cell)(x)) |
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#define vm_f83name2Cell(x) ((Cell)(x)) |
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#define vm_longname2Cell(x) ((Cell)(x)) |
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#define vm_r2Float(x) (x) |
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/* if machine.h has not defined explicit registers, define them as implicit */ |
/* if machine.h has not defined explicit registers, define them as implicit */ |
#ifndef IPREG |
#ifndef IPREG |
Line 213 static int ufileattr[6]= {
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Line 279 static int ufileattr[6]= {
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/* declare and compute cfa for certain threading variants */ |
/* declare and compute cfa for certain threading variants */ |
/* warning: this is nonsyntactical; it will not work in place of a statement */ |
/* warning: this is nonsyntactical; it will not work in place of a statement */ |
#ifdef CFA_NEXT |
#ifndef GETCFA |
#define DOCFA |
#define DOCFA |
#else |
#else |
#define DOCFA Xt cfa; GETCFA(cfa) |
#define DOCFA Xt cfa; GETCFA(cfa) |
Line 246 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 312 Label *engine(Xt *ip0, Cell *sp0, Cell *
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MORE_VARS |
MORE_VARS |
#endif |
#endif |
register Address up UPREG = UP; |
register Address up UPREG = UP; |
IF_TOS(register Cell TOS TOSREG;) |
IF_spTOS(register Cell spTOS TOSREG;) |
IF_FTOS(register Float FTOS FTOSREG;) |
IF_fpTOS(register Float fpTOS FTOSREG;) |
#if defined(DOUBLY_INDIRECT) |
#if defined(DOUBLY_INDIRECT) |
static Label *symbols; |
static Label *symbols; |
static void *routines[]= { |
static void *routines[]= { |
Line 293 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 359 Label *engine(Xt *ip0, Cell *sp0, Cell *
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if (i>=MAX_SYMBOLS) { |
if (i>=MAX_SYMBOLS) { |
fprintf(stderr,"gforth-ditc: more than %d primitives\n",MAX_SYMBOLS); |
fprintf(stderr,"gforth-ditc: more than %d primitives\n",MAX_SYMBOLS); |
exit(1); |
exit(1); |
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} |
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symbols[i] = &routines[i]; |
} |
} |
symbols[i] = &routines[i]; |
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} |
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#endif /* defined(DOUBLY_INDIRECT) */ |
#endif /* defined(DOUBLY_INDIRECT) */ |
return symbols; |
return symbols; |
} |
} |
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IF_TOS(TOS = sp[0]); |
IF_spTOS(spTOS = sp[0]); |
IF_FTOS(FTOS = fp[0]); |
IF_fpTOS(fpTOS = fp[0]); |
/* prep_terminal(); */ |
/* prep_terminal(); */ |
SET_IP(ip); |
SET_IP(ip); |
NEXT; |
NEXT; |
Line 342 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 408 Label *engine(Xt *ip0, Cell *sp0, Cell *
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fprintf(stderr,"%08lx: con: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
fprintf(stderr,"%08lx: con: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
#endif |
#endif |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = spTOS; |
TOS = *(Cell *)PFA1(cfa); |
spTOS = *(Cell *)PFA1(cfa); |
#else |
#else |
*--sp = *(Cell *)PFA1(cfa); |
*--sp = *(Cell *)PFA1(cfa); |
#endif |
#endif |
Line 358 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 424 Label *engine(Xt *ip0, Cell *sp0, Cell *
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fprintf(stderr,"%08lx: var: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
fprintf(stderr,"%08lx: var: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = spTOS; |
TOS = (Cell)PFA1(cfa); |
spTOS = (Cell)PFA1(cfa); |
#else |
#else |
*--sp = (Cell)PFA1(cfa); |
*--sp = (Cell)PFA1(cfa); |
#endif |
#endif |
Line 374 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 440 Label *engine(Xt *ip0, Cell *sp0, Cell *
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fprintf(stderr,"%08lx: user: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
fprintf(stderr,"%08lx: user: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = spTOS; |
TOS = (Cell)(up+*(Cell*)PFA1(cfa)); |
spTOS = (Cell)(up+*(Cell*)PFA1(cfa)); |
#else |
#else |
*--sp = (Cell)(up+*(Cell*)PFA1(cfa)); |
*--sp = (Cell)(up+*(Cell*)PFA1(cfa)); |
#endif |
#endif |
Line 398 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 464 Label *engine(Xt *ip0, Cell *sp0, Cell *
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#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx: field: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
fprintf(stderr,"%08lx: field: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
TOS += *(Cell*)PFA1(cfa); |
spTOS += *(Cell*)PFA1(cfa); |
} |
} |
NEXT_P0; |
NEXT_P0; |
NEXT; |
NEXT; |
Line 432 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 498 Label *engine(Xt *ip0, Cell *sp0, Cell *
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*--rp = (Cell)ip; |
*--rp = (Cell)ip; |
/* PFA1 might collide with DOES_CODE1 here, so we use PFA */ |
/* PFA1 might collide with DOES_CODE1 here, so we use PFA */ |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = spTOS; |
TOS = (Cell)PFA(cfa); |
spTOS = (Cell)PFA(cfa); |
#else |
#else |
*--sp = (Cell)PFA(cfa); |
*--sp = (Cell)PFA(cfa); |
#endif |
#endif |
SET_IP(DOES_CODE1(cfa)); |
SET_IP(DOES_CODE1(cfa)); |
/* fprintf(stderr,"TOS = %08lx, IP=%08lx\n", TOS, IP);*/ |
/* fprintf(stderr,"TOS = %08lx, IP=%08lx\n", spTOS, IP);*/ |
} |
} |
NEXT; |
NEXT; |
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