version 1.106, 2008/01/13 21:50:26
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version 1.121, 2012/12/31 15:25:19
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/* Gforth virtual machine (aka inner interpreter) |
/* Gforth virtual machine (aka inner interpreter) |
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Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2010,2011,2012 Free Software Foundation, Inc. |
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This file is part of Gforth. |
This file is part of Gforth. |
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#include <unistd.h> |
#include <unistd.h> |
#include <pwd.h> |
#include <pwd.h> |
#include <dirent.h> |
#include <dirent.h> |
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#ifdef HAVE_WCHAR_H |
#include <wchar.h> |
#include <wchar.h> |
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#endif |
#include <sys/resource.h> |
#include <sys/resource.h> |
#ifdef HAVE_FNMATCH_H |
#ifdef HAVE_FNMATCH_H |
#include <fnmatch.h> |
#include <fnmatch.h> |
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#include <callback.h> |
#include <callback.h> |
#endif |
#endif |
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#ifdef HAS_LIBFFI |
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#include <ffi.h> |
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#endif |
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#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 |
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#ifdef MEMCMP_AS_SUBROUTINE |
#ifdef MEMCMP_AS_SUBROUTINE |
extern int gforth_memcmp(const char * s1, const char * s2, size_t n); |
extern int gforth_memcmp(const char * s1, const char * s2, size_t n); |
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extern Char *gforth_memmove(Char * dest, const Char* src, Cell n); |
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extern Char *gforth_memset(Char * s, Cell c, UCell n); |
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extern Char *gforth_memcpy(Char * dest, const Char* src, Cell n); |
#define memcmp(s1,s2,n) gforth_memcmp(s1,s2,n) |
#define memcmp(s1,s2,n) gforth_memcmp(s1,s2,n) |
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#define memmove(a,b,c) gforth_memmove(a,b,c) |
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#define memset(a,b,c) gforth_memset(a,b,c) |
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#define memcpy(a,b,c) gforth_memcpy(a,b,c) |
#endif |
#endif |
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#define NEWLINE '\n' |
#define NEWLINE '\n' |
Line 204 extern int gforth_memcmp(const char * s1
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Line 208 extern int gforth_memcmp(const char * s1
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#ifndef FTOSREG |
#ifndef FTOSREG |
#define FTOSREG |
#define FTOSREG |
#endif |
#endif |
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#ifndef OPREG |
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#define OPREG |
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#endif |
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#ifndef CPU_DEP1 |
#ifndef CPU_DEP1 |
# define CPU_DEP1 0 |
# define CPU_DEP1 0 |
Line 232 extern int gforth_memcmp(const char * s1
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Line 239 extern int gforth_memcmp(const char * s1
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#define asmcomment(string) asm("") |
#define asmcomment(string) asm("") |
#endif |
#endif |
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#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
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Line 252 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) {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 264 extern int gforth_memcmp(const char * s1
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Line 272 extern int gforth_memcmp(const char * s1
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#endif |
#endif |
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#ifdef STANDALONE |
#ifdef STANDALONE |
jmp_buf throw_jmp_buf; |
jmp_buf * throw_jmp_handler; |
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void throw(int code) |
void throw(int code) |
{ |
{ |
longjmp(throw_jmp_buf,code); /* !! or use siglongjmp ? */ |
longjmp(*throw_jmp_handler,code); /* !! or use siglongjmp ? */ |
} |
} |
#endif |
#endif |
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Line 312 void throw(int code)
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Line 320 void throw(int code)
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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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Label *gforth_engine(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0 sr_proto) |
Label *gforth_engine(Xt *ip0 sr_proto) |
/* 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 |
*/ |
*/ |
{ |
{ |
#ifndef GFORTH_DEBUGGING |
#if defined(GFORTH_DEBUGGING) |
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#if defined(GLOBALS_NONRELOC) |
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register saved_regs *saved_regs_p TOSREG = saved_regs_p0; |
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#endif /* defined(GLOBALS_NONRELOC) */ |
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#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 |
register Cell *sp SPREG = sp0; |
register Cell *sp SPREG = gforth_SP; |
register Float *fp FPREG = fp0; |
register Float *fp FPREG = gforth_FP; |
register Address lp LPREG = lp0; |
register Address lp LPREG = gforth_LP; |
register Xt cfa CFAREG; |
register Xt cfa CFAREG; |
register Label real_ca CAREG; |
register Label real_ca CAREG; |
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#ifdef HAS_OBJECTS |
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register Char * op OPREG = NULL; |
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#endif |
#ifdef MORE_VARS |
#ifdef MORE_VARS |
MORE_VARS |
MORE_VARS |
#endif |
#endif |
Line 340 Label *gforth_engine(Xt *ip0, Cell *sp0,
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Line 355 Label *gforth_engine(Xt *ip0, Cell *sp0,
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long long llrv; |
long long llrv; |
void * prv; |
void * prv; |
#endif |
#endif |
#ifdef HAS_LIBFFI |
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extern void * gforth_ritem; |
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extern void ** gforth_clist; |
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extern void ffi_callback(ffi_cif * cif, void * resp, void ** args, Xt * ip); |
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#endif |
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register Address up UPREG = gforth_UP; |
register Address up UPREG = gforth_UP; |
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#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;) |
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#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 390 Label *gforth_engine(Xt *ip0, Cell *sp0,
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Line 402 Label *gforth_engine(Xt *ip0, Cell *sp0,
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CPU_DEP2 |
CPU_DEP2 |
#endif |
#endif |
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rp = rp0; |
rp = gforth_RP; |
#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)ip0,(unsigned)sp,(unsigned)rp, |
(unsigned)ip0,(unsigned)sp,(unsigned)rp, |
Line 407 Label *gforth_engine(Xt *ip0, Cell *sp0,
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Line 419 Label *gforth_engine(Xt *ip0, Cell *sp0,
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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,
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Line 436 Label *gforth_engine(Xt *ip0, Cell *sp0,
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#endif |
#endif |
} |
} |
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#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]; |