version 1.66, 2003/08/22 08:08:46
|
version 1.75, 2004/12/31 13:24:03
|
Line 1
|
Line 1
|
/* Gforth virtual machine (aka inner interpreter) |
/* Gforth virtual machine (aka inner interpreter) |
|
|
Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. |
|
|
This file is part of Gforth. |
This file is part of Gforth. |
|
|
Line 19
|
Line 19
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
*/ |
*/ |
|
|
|
#if defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING) |
|
#define USE_NO_TOS |
|
#else |
|
#define USE_TOS |
|
#endif |
|
#define USE_NO_FTOS |
|
|
#include "config.h" |
#include "config.h" |
#include "forth.h" |
#include "forth.h" |
#include <ctype.h> |
#include <ctype.h> |
Line 153 extern int gforth_memcmp(const char * s1
|
Line 160 extern int gforth_memcmp(const char * s1
|
#ifndef TOSREG |
#ifndef TOSREG |
#define TOSREG |
#define TOSREG |
#endif |
#endif |
|
#ifndef spbREG |
|
#define spbREG |
|
#endif |
|
#ifndef spcREG |
|
#define spcREG |
|
#endif |
#ifndef FTOSREG |
#ifndef FTOSREG |
#define FTOSREG |
#define FTOSREG |
#endif |
#endif |
Line 176 extern int gforth_memcmp(const char * s1
|
Line 189 extern int gforth_memcmp(const char * s1
|
#define SUPER_CONTINUE |
#define SUPER_CONTINUE |
|
|
#ifdef GFORTH_DEBUGGING |
#ifdef GFORTH_DEBUGGING |
|
#if DEBUG |
|
#define NAME(string) { saved_ip=ip; asm("# "string); fprintf(stderr,"%08lx depth=%3ld: "string"\n",(Cell)ip,sp0+3-sp);} |
|
#else /* !DEBUG */ |
#define NAME(string) { saved_ip=ip; asm(""); } |
#define NAME(string) { saved_ip=ip; asm(""); } |
/* the asm here is to avoid reordering of following stuff above the |
/* the asm here is to avoid reordering of following stuff above the |
assignment; this is an old-style asm (no operands), and therefore |
assignment; this is an old-style asm (no operands), and therefore |
is treated like "asm volatile ..."; i.e., it prevents most |
is treated like "asm volatile ..."; i.e., it prevents most |
reorderings across itself. We want the assignment above first, |
reorderings across itself. We want the assignment above first, |
because the stack loads may already cause a stack underflow. */ |
because the stack loads may already cause a stack underflow. */ |
|
#endif /* !DEBUG */ |
#elif DEBUG |
#elif DEBUG |
# define NAME(string) fprintf(stderr,"%08lx depth=%3ld: "string"\n",(Cell)ip,sp0+3-sp); |
# define NAME(string) {Cell __depth=sp0+3-sp; int i; fprintf(stderr,"%08lx depth=%3ld: "string,(Cell)ip,sp0+3-sp); for (i=__depth-1; i>0; i--) fprintf(stderr, " $%lx",sp[i]); fprintf(stderr, " $%lx\n",spTOS); } |
#else |
#else |
# define NAME(string) |
# define NAME(string) asm("# "string); |
#endif |
#endif |
|
|
#ifdef DEBUG |
#ifdef DEBUG |
Line 233 extern int gforth_memcmp(const char * s1
|
Line 250 extern int gforth_memcmp(const char * s1
|
#error illegal ENGINE value |
#error illegal ENGINE value |
#endif /* ENGINE */ |
#endif /* ENGINE */ |
|
|
#define LABEL2(name) K_##name: |
/* the asm(""); is there to get a stop compiled on Itanium */ |
|
#define LABEL2(name) K_##name: asm(""); |
|
|
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 |
Line 263 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 281 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
void * prv; |
void * prv; |
#endif |
#endif |
register Address up UPREG = UP; |
register Address up UPREG = UP; |
IF_spTOS(register Cell spTOS TOSREG;) |
IF_spTOS(register Cell MAYBE_UNUSED spTOS TOSREG;) |
|
register Cell MAYBE_UNUSED spb spbREG; |
|
register Cell MAYBE_UNUSED spc spcREG; |
IF_fpTOS(register Float fpTOS FTOSREG;) |
IF_fpTOS(register Float fpTOS FTOSREG;) |
#if defined(DOUBLY_INDIRECT) |
#if defined(DOUBLY_INDIRECT) |
static Label *symbols; |
static Label *symbols; |
Line 274 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 294 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
#define MAX_SYMBOLS (sizeof(symbols)/sizeof(symbols[0])) |
#define MAX_SYMBOLS (sizeof(symbols)/sizeof(symbols[0])) |
#endif /* !defined(DOUBLY_INDIRECT) */ |
#endif /* !defined(DOUBLY_INDIRECT) */ |
#define INST_ADDR(name) ((Label)&&I_##name) |
#define INST_ADDR(name) ((Label)&&I_##name) |
#include "prim_lab.i" |
#include PRIM_LAB_I |
#undef INST_ADDR |
#undef INST_ADDR |
(Label)0, |
(Label)0, |
#define INST_ADDR(name) ((Label)&&K_##name) |
#define INST_ADDR(name) ((Label)&&K_##name) |
#include "prim_lab.i" |
#include PRIM_LAB_I |
#undef INST_ADDR |
#undef INST_ADDR |
#define INST_ADDR(name) ((Label)&&J_##name) |
#define INST_ADDR(name) ((Label)&&J_##name) |
#include "prim_lab.i" |
#include PRIM_LAB_I |
#undef INST_ADDR |
#undef INST_ADDR |
(Label)&&after_last |
(Label)&&after_last |
}; |
}; |
Line 334 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
Line 354 Label *engine(Xt *ip0, Cell *sp0, Cell *
|
CPU_DEP3 |
CPU_DEP3 |
#endif |
#endif |
|
|
#include "prim.i" |
#include PRIM_I |
after_last: return (Label *)0; |
after_last: return (Label *)0; |
/*needed only to get the length of the last primitive */ |
/*needed only to get the length of the last primitive */ |
} |
} |