version 1.71, 2003/11/02 18:18:35
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version 1.77, 2005/01/22 22:16:59
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/* Gforth virtual machine (aka inner interpreter) |
/* Gforth virtual machine (aka inner interpreter) |
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Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. |
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This file is part of Gforth. |
This file is part of Gforth. |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
*/ |
*/ |
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#if defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING) |
#define USE_NO_TOS |
#define USE_NO_TOS |
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#else |
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#define USE_TOS |
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#endif |
#define USE_NO_FTOS |
#define USE_NO_FTOS |
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#include "config.h" |
#include "config.h" |
Line 156 extern int gforth_memcmp(const char * s1
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Line 160 extern int gforth_memcmp(const char * s1
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#ifndef TOSREG |
#ifndef TOSREG |
#define TOSREG |
#define TOSREG |
#endif |
#endif |
#ifndef spaREG |
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#define spaREG |
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#endif |
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#ifndef spbREG |
#ifndef spbREG |
#define spbREG |
#define spbREG |
#endif |
#endif |
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#ifndef spcREG |
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#define spcREG |
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#endif |
#ifndef FTOSREG |
#ifndef FTOSREG |
#define FTOSREG |
#define FTOSREG |
#endif |
#endif |
Line 186 extern int gforth_memcmp(const char * s1
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Line 190 extern int gforth_memcmp(const char * s1
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#ifdef GFORTH_DEBUGGING |
#ifdef GFORTH_DEBUGGING |
#if DEBUG |
#if DEBUG |
#define NAME(string) { saved_ip=ip; asm(""); fprintf(stderr,"%08lx depth=%3ld: "string"\n",(Cell)ip,sp0+3-sp);} |
#define NAME(string) { saved_ip=ip; asm("# "string); fprintf(stderr,"%08lx depth=%3ld: "string"\n",(Cell)ip,sp0+3-sp);} |
#else /* !DEBUG */ |
#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 |
Line 196 extern int gforth_memcmp(const char * s1
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Line 200 extern int gforth_memcmp(const char * s1
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because the stack loads may already cause a stack underflow. */ |
because the stack loads may already cause a stack underflow. */ |
#endif /* !DEBUG */ |
#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 |
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#ifdef DEBUG |
#ifdef DEBUG |
Line 224 extern int gforth_memcmp(const char * s1
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Line 228 extern int gforth_memcmp(const char * s1
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/* normal engine */ |
/* normal engine */ |
#define VARIANT(v) (v) |
#define VARIANT(v) (v) |
#define JUMP(target) goto I_noop |
#define JUMP(target) goto I_noop |
#define LABEL(name) J_##name: asm(""); I_##name: |
#define LABEL(name) I_##name: |
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#elif ENGINE==2 |
#elif ENGINE==2 |
/* variant with padding between VM instructions for finding out |
/* variant with padding between VM instructions for finding out |
Line 232 extern int gforth_memcmp(const char * s1
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Line 236 extern int gforth_memcmp(const char * s1
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#define engine engine2 |
#define engine engine2 |
#define VARIANT(v) (v) |
#define VARIANT(v) (v) |
#define JUMP(target) goto I_noop |
#define JUMP(target) goto I_noop |
#define LABEL(name) J_##name: SKIP16; I_##name: |
#define LABEL(name) SKIP16; I_##name: |
#define IN_ENGINE2 |
#define IN_ENGINE2 |
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#elif ENGINE==3 |
#elif ENGINE==3 |
Line 241 extern int gforth_memcmp(const char * s1
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Line 245 extern int gforth_memcmp(const char * s1
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#define engine engine3 |
#define engine engine3 |
#define VARIANT(v) ((v)^0xffffffff) |
#define VARIANT(v) ((v)^0xffffffff) |
#define JUMP(target) goto K_lit |
#define JUMP(target) goto K_lit |
#define LABEL(name) J_##name: asm(""); I_##name: |
#define LABEL(name) I_##name: |
#else |
#else |
#error illegal ENGINE value |
#error illegal ENGINE value |
#endif /* ENGINE */ |
#endif /* ENGINE */ |
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/* the asm(""); is there to get a stop compiled on Itanium */ |
/* the asm(""); is there to get a stop compiled on Itanium */ |
#define LABEL2(name) K_##name: asm(""); |
#define LABEL2(name) K_##name: asm(""); |
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#define LABEL3(name) J_##name: asm(""); |
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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 264 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 269 Label *engine(Xt *ip0, Cell *sp0, Cell *
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register Float *fp FPREG = fp0; |
register Float *fp FPREG = fp0; |
register Address lp LPREG = lp0; |
register Address lp LPREG = lp0; |
register Xt cfa CFAREG; |
register Xt cfa CFAREG; |
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register Label real_ca; |
#ifdef MORE_VARS |
#ifdef MORE_VARS |
MORE_VARS |
MORE_VARS |
#endif |
#endif |
Line 277 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 283 Label *engine(Xt *ip0, Cell *sp0, Cell *
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void * prv; |
void * prv; |
#endif |
#endif |
register Address up UPREG = UP; |
register Address up UPREG = UP; |
register Cell MAYBE_UNUSED spa TOSREG; |
IF_spTOS(register Cell MAYBE_UNUSED spTOS TOSREG;) |
register Cell MAYBE_UNUSED spb spaREG; |
register Cell MAYBE_UNUSED spb spbREG; |
register Cell MAYBE_UNUSED spc 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 299 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 305 Label *engine(Xt *ip0, Cell *sp0, Cell *
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#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, |
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(Label)&&before_goto, |
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(Label)&&after_goto |
}; |
}; |
#ifdef CPU_DEP2 |
#ifdef CPU_DEP2 |
CPU_DEP2 |
CPU_DEP2 |
Line 350 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 358 Label *engine(Xt *ip0, Cell *sp0, Cell *
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CPU_DEP3 |
CPU_DEP3 |
#endif |
#endif |
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before_goto: |
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goto *real_ca; |
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after_goto: |
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#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 */ |