Diff for /gforth/engine/engine.c between versions 1.106 and 1.116

version 1.106, 2008/01/13 21:50:26 version 1.116, 2011/12/31 15:29:26
Line 1 Line 1
 /* Gforth virtual machine (aka inner interpreter)  /* Gforth virtual machine (aka inner interpreter)
   
   Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc.    Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2010,2011 Free Software Foundation, Inc.
   
   This file is part of Gforth.    This file is part of Gforth.
   
Line 44 Line 44
 #include <unistd.h>  #include <unistd.h>
 #include <pwd.h>  #include <pwd.h>
 #include <dirent.h>  #include <dirent.h>
   #ifdef HAVE_WCHAR_H
 #include <wchar.h>  #include <wchar.h>
   #endif
 #include <sys/resource.h>  #include <sys/resource.h>
 #ifdef HAVE_FNMATCH_H  #ifdef HAVE_FNMATCH_H
 #include <fnmatch.h>  #include <fnmatch.h>
Line 70 Line 72
 #include <callback.h>  #include <callback.h>
 #endif  #endif
   
 #ifdef HAS_LIBFFI  
 #include <ffi.h>  
 #endif  
   
 #ifndef SEEK_SET  #ifndef SEEK_SET
 /* should be defined in stdio.h, but some systems don't have it */  /* should be defined in stdio.h, but some systems don't have it */
 #define SEEK_SET 0  #define SEEK_SET 0
Line 232  extern int gforth_memcmp(const char * s1 Line 230  extern int gforth_memcmp(const char * s1
 #define asmcomment(string) asm("")  #define asmcomment(string) asm("")
 #endif  #endif
   
   #define DEPTHOFF 4
 #ifdef GFORTH_DEBUGGING  #ifdef GFORTH_DEBUGGING
 #if DEBUG  #if DEBUG
 #define NAME(string) { saved_ip=ip; asmcomment(string); fprintf(stderr,"%08lx depth=%3ld tos=%016lx: "string"\n",(Cell)ip,sp0+3-sp,sp[0]);}  #define NAME(string) { saved_ip=ip; asmcomment(string); fprintf(stderr,"%08lx depth=%3ld tos=%016lx: "string"\n",(Cell)ip,sp0+DEPTHOFF-sp,sp[0]);}
 #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 244  extern int gforth_memcmp(const char * s1 Line 243  extern int gforth_memcmp(const char * s1
    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)    {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); }  #       define  NAME(string)    {Cell __depth=sp0+DEPTHOFF-sp; int i; fprintf(stderr,"%08lx depth=%3ld: "string,(Cell)ip,sp0+DEPTHOFF-sp); for (i=__depth-1; i>0; i--) fprintf(stderr, " $%lx",sp[i]); fprintf(stderr, " $%lx\n",spTOS); }
 #else  #else
 #       define  NAME(string) asmcomment(string);  #       define  NAME(string) asmcomment(string);
 #endif  #endif
Line 317  Label *gforth_engine(Xt *ip0, Cell *sp0, Line 316  Label *gforth_engine(Xt *ip0, Cell *sp0,
    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
 */  */
 {  {
 #ifndef GFORTH_DEBUGGING  #if defined(GFORTH_DEBUGGING)
   #if defined(GLOBALS_NONRELOC)
     register saved_regs *saved_regs_p TOSREG = saved_regs_p0;
   #endif /* defined(GLOBALS_NONRELOC) */
   #else /* !defined(GFORTH_DEBUGGING) */
   register Cell *rp RPREG;    register Cell *rp RPREG;
 #endif  #endif /* !defined(GFORTH_DEBUGGING) */
 #ifndef NO_IP  #ifndef NO_IP
   register Xt *ip IPREG = ip0;    register Xt *ip IPREG = ip0;
 #endif  #endif
Line 340  Label *gforth_engine(Xt *ip0, Cell *sp0, Line 343  Label *gforth_engine(Xt *ip0, Cell *sp0,
   long long llrv;    long long llrv;
   void * prv;    void * prv;
 #endif  #endif
 #ifdef HAS_LIBFFI  
   extern void * gforth_ritem;  
   extern void ** gforth_clist;  
   extern void ffi_callback(ffi_cif * cif, void * resp, void ** args, Xt * ip);  
 #endif  
   register Address up UPREG = gforth_UP;    register Address up UPREG = gforth_UP;
   #if !defined(GFORTH_DEBUGGING)
   register Cell MAYBE_UNUSED spTOS TOSREG;    register Cell MAYBE_UNUSED spTOS TOSREG;
   register Cell MAYBE_UNUSED spb spbREG;    register Cell MAYBE_UNUSED spb spbREG;
   register Cell MAYBE_UNUSED spc spcREG;    register Cell MAYBE_UNUSED spc spcREG;
   register Cell MAYBE_UNUSED spd spdREG;    register Cell MAYBE_UNUSED spd spdREG;
   register Cell MAYBE_UNUSED spe speREG;    register Cell MAYBE_UNUSED spe speREG;
   register Cell MAYBE_UNUSED spf speREG;    register Cell MAYBE_UNUSED spf spfREG;
   register Cell MAYBE_UNUSED spg speREG;    register Cell MAYBE_UNUSED spg spgREG;
   register Cell MAYBE_UNUSED sph speREG;    register Cell MAYBE_UNUSED sph sphREG;
   IF_fpTOS(register Float fpTOS FTOSREG;)    IF_fpTOS(register Float fpTOS FTOSREG;)
   #endif /* !defined(GFORTH_DEBUGGING) */
 #if defined(DOUBLY_INDIRECT)  #if defined(DOUBLY_INDIRECT)
   static Label *symbols;    static Label *symbols;
   static void *routines[]= {    static void *routines[]= {
Line 407  Label *gforth_engine(Xt *ip0, Cell *sp0, Line 407  Label *gforth_engine(Xt *ip0, Cell *sp0,
   
     symbols = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+CODE_OFFSET)+code_offset);      symbols = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+CODE_OFFSET)+code_offset);
     xts = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+XT_OFFSET)+xt_offset);      xts = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+XT_OFFSET)+xt_offset);
     for (i=0; i<DOESJUMP+1; i++)      for (i=0; i<DOER_MAX+1; i++)
       xts[i] = symbols[i] = (Label)routines[i];        xts[i] = symbols[i] = (Label)routines[i];
     for (; routines[i]!=0; i++) {      for (; routines[i]!=0; i++) {
       if (i>=MAX_SYMBOLS) {        if (i>=MAX_SYMBOLS) {
Line 424  Label *gforth_engine(Xt *ip0, Cell *sp0, Line 424  Label *gforth_engine(Xt *ip0, Cell *sp0,
 #endif  #endif
   }    }
   
 #if !(defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING))  #ifdef USE_TOS
   sp += STACK_CACHE_DEFAULT-1;    sp += STACK_CACHE_DEFAULT-1;
   /* some of those registers are dead, but its simpler to initialize them all */  spTOS = sp[0];    /* some of those registers are dead, but its simpler to initialize them all */  spTOS = sp[0];
   spb = sp[-1];    spb = sp[-1];

Removed from v.1.106  
changed lines
  Added in v.1.116


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