version 1.7, 1998/12/11 22:54:30
|
version 1.11, 1999/02/06 22:28:24
|
Line 45
|
Line 45
|
#if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) /* what else? */ |
#if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) /* what else? */ |
#include <dlfcn.h> |
#include <dlfcn.h> |
#endif |
#endif |
|
#if defined(_WIN32) |
|
#include <windows.h> |
|
#endif |
#ifdef hpux |
#ifdef hpux |
#include <dl.h> |
#include <dl.h> |
#endif |
#endif |
Line 77 int emitcounter;
|
Line 80 int emitcounter;
|
#endif |
#endif |
#define NULLC '\0' |
#define NULLC '\0' |
|
|
|
#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 ). |
the C-string lives until the next call of cstr with CLEAR being true */ |
the C-string lives until the next call of cstr with CLEAR being true */ |
Line 109 char *cstr(Char *from, UCell size, int c
|
Line 113 char *cstr(Char *from, UCell size, int c
|
return b->buffer; |
return b->buffer; |
} |
} |
|
|
#ifdef STANDALONE |
|
char *tilde_cstr(Char *from, UCell size, int clear) |
|
{ |
|
return cstr(from, size, clear); |
|
} |
|
#else |
|
char *tilde_cstr(Char *from, UCell size, int clear) |
char *tilde_cstr(Char *from, UCell size, int clear) |
/* like cstr(), but perform tilde expansion on the string */ |
/* like cstr(), but perform tilde expansion on the string */ |
{ |
{ |
Line 156 char *tilde_cstr(Char *from, UCell size,
|
Line 154 char *tilde_cstr(Char *from, UCell size,
|
return cstr(path,s1_len+s2_len,clear); |
return cstr(path,s1_len+s2_len,clear); |
} |
} |
} |
} |
#endif |
#endif |
|
|
#define NEWLINE '\n' |
#define NEWLINE '\n' |
|
|
Line 164 char *tilde_cstr(Char *from, UCell size,
|
Line 162 char *tilde_cstr(Char *from, UCell size,
|
#define rint(x) floor((x)+0.5) |
#define rint(x) floor((x)+0.5) |
#endif |
#endif |
|
|
|
#ifdef HAS_FILE |
static char* fileattr[6]={"r","rb","r+","r+b","w","wb"}; |
static char* fileattr[6]={"r","rb","r+","r+b","w","wb"}; |
|
|
#ifndef O_BINARY |
#ifndef O_BINARY |
Line 177 static int ufileattr[6]= {
|
Line 176 static int ufileattr[6]= {
|
O_RDONLY|O_TEXT, O_RDONLY|O_BINARY, |
O_RDONLY|O_TEXT, O_RDONLY|O_BINARY, |
O_RDWR |O_TEXT, O_RDWR |O_BINARY, |
O_RDWR |O_TEXT, O_RDWR |O_BINARY, |
O_WRONLY|O_TEXT, O_WRONLY|O_BINARY }; |
O_WRONLY|O_TEXT, O_WRONLY|O_BINARY }; |
|
#endif |
|
|
/* 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 219 static int ufileattr[6]= {
|
Line 219 static int ufileattr[6]= {
|
#define DOCFA Xt cfa; GETCFA(cfa) |
#define DOCFA Xt cfa; GETCFA(cfa) |
#endif |
#endif |
|
|
|
#ifdef GFORTH_DEBUGGING |
|
/* define some VM registers as global variables, so they survive exceptions; |
|
global register variables are not up to the task (according to the |
|
GNU C manual) */ |
|
Xt *ip; |
|
Cell *rp; |
|
#endif |
|
|
Label *engine(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0) |
Label *engine(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0) |
/* executes code at ip, if ip!=NULL |
/* executes code at ip, if ip!=NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
*/ |
*/ |
{ |
{ |
register Xt *ip IPREG = ip0; |
#ifndef GFORTH_DEBUGGING |
|
register Xt *ip IPREG; |
|
register Cell *rp RPREG; |
|
#endif |
register Cell *sp SPREG = sp0; |
register Cell *sp SPREG = sp0; |
register Cell *rp RPREG = rp0; |
|
register Float *fp FPREG = fp0; |
register Float *fp FPREG = fp0; |
register Address lp LPREG = lp0; |
register Address lp LPREG = lp0; |
#ifdef CFA_NEXT |
#ifdef CFA_NEXT |
register Xt cfa CFAREG; |
register Xt cfa CFAREG; |
#endif |
#endif |
|
#ifdef MORE_VARS |
|
MORE_VARS |
|
#endif |
register Address up UPREG = UP; |
register Address up UPREG = UP; |
IF_TOS(register Cell TOS TOSREG;) |
IF_TOS(register Cell TOS TOSREG;) |
IF_FTOS(register Float FTOS FTOSREG;) |
IF_FTOS(register Float FTOS FTOSREG;) |
Line 258 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 271 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
CPU_DEP2 |
CPU_DEP2 |
#endif |
#endif |
|
|
|
ip = ip0; |
|
rp = rp0; |
#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"ip=%x, sp=%x, rp=%x, fp=%x, lp=%x, up=%x\n", |
fprintf(stderr,"ip=%x, sp=%x, rp=%x, fp=%x, lp=%x, up=%x\n", |
(unsigned)ip,(unsigned)sp,(unsigned)rp, |
(unsigned)ip,(unsigned)sp,(unsigned)rp, |
Line 288 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 303 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
IF_TOS(TOS = sp[0]); |
IF_TOS(TOS = sp[0]); |
IF_FTOS(FTOS = fp[0]); |
IF_FTOS(FTOS = fp[0]); |
/* prep_terminal(); */ |
/* prep_terminal(); */ |
NEXT_P0; |
SET_IP(ip); |
NEXT; |
NEXT; |
|
|
|
|
#ifdef CPU_DEP3 |
#ifdef CPU_DEP3 |
CPU_DEP3 |
CPU_DEP3 |
#endif |
#endif |
Line 304 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 320 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
#ifdef CISC_NEXT |
#ifdef CISC_NEXT |
/* this is the simple version */ |
/* this is the simple version */ |
*--rp = (Cell)ip; |
*--rp = (Cell)ip; |
ip = (Xt *)PFA1(cfa); |
SET_IP((Xt *)PFA1(cfa)); |
NEXT_P0; |
|
NEXT; |
NEXT; |
#else |
#else |
/* this one is important, so we help the compiler optimizing |
/* this one is important, so we help the compiler optimizing */ |
The following version may be better (for scheduling), but probably has |
|
problems with code fields employing calls and delay slots |
|
*/ |
|
{ |
{ |
DEF_CA |
DEF_CA |
Xt *current_ip = (Xt *)PFA1(cfa); |
rp[-1] = (Cell)ip; |
cfa = *current_ip; |
SET_IP((Xt *)PFA1(cfa)); |
NEXT1_P1; |
NEXT_P1; |
*--rp = (Cell)ip; |
rp--; |
ip = current_ip+1; |
NEXT_P2; |
NEXT1_P2; |
|
} |
} |
#endif |
#endif |
} |
} |
Line 387 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 398 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
#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); |
TOS += *(Cell*)PFA1(cfa); |
} |
} |
NEXT_P0; |
NEXT_P0; |
NEXT; |
NEXT; |
Line 420 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 431 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
#endif |
#endif |
*--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 */ |
ip = DOES_CODE1(cfa); |
|
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = TOS; |
TOS = (Cell)PFA(cfa); |
TOS = (Cell)PFA(cfa); |
#else |
#else |
*--sp = (Cell)PFA(cfa); |
*--sp = (Cell)PFA(cfa); |
#endif |
#endif |
|
SET_IP(DOES_CODE1(cfa)); |
/* fprintf(stderr,"TOS = %08lx, IP=%08lx\n", TOS, IP);*/ |
/* fprintf(stderr,"TOS = %08lx, IP=%08lx\n", TOS, IP);*/ |
} |
} |
NEXT_P0; |
|
NEXT; |
NEXT; |
|
|
#include "prim.i" |
#include "prim.i" |