version 1.80, 2005/07/31 20:27:41
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version 1.88, 2006/01/05 01:37:32
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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 Free Software Foundation, Inc. |
Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005 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 <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 |
Line 175 extern int gforth_memcmp(const char * s1
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Line 179 extern int gforth_memcmp(const char * s1
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#ifndef speREG |
#ifndef speREG |
#define speREG |
#define speREG |
#endif |
#endif |
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#ifndef spfREG |
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#define spfREG |
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#endif |
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#ifndef spgREG |
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#define spgREG |
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#endif |
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#ifndef sphREG |
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#define sphREG |
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#endif |
#ifndef FTOSREG |
#ifndef FTOSREG |
#define FTOSREG |
#define FTOSREG |
#endif |
#endif |
Line 228 extern int gforth_memcmp(const char * s1
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Line 241 extern int gforth_memcmp(const char * s1
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} |
} |
#endif |
#endif |
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#ifdef HAS_FFCALL |
#if defined(HAS_FFCALL) || defined(HAS_LIBFFI) |
#define SAVE_REGS IF_fpTOS(fp[0]=fpTOS); SP=sp; FP=fp; RP=rp; LP=lp; |
#define SAVE_REGS IF_fpTOS(fp[0]=fpTOS); gforth_SP=sp; gforth_FP=fp; gforth_RP=rp; gforth_LP=lp; |
#define REST_REGS sp=SP; fp=FP; rp=RP; lp=LP; IF_fpTOS(fpTOS=fp[0]); |
#define REST_REGS sp=gforth_SP; fp=gforth_FP; rp=gforth_RP; lp=gforth_LP; IF_fpTOS(fpTOS=fp[0]); |
#endif |
#endif |
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#if !defined(ENGINE) |
#if !defined(ENGINE) |
/* 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) H_##name: I_##name: |
#define LABEL(name) H_##name: asm(""); 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 246 extern int gforth_memcmp(const char * s1
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Line 259 extern int gforth_memcmp(const char * s1
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#define VARIANT(v) (v) |
#define VARIANT(v) (v) |
#define JUMP(target) goto I_noop |
#define JUMP(target) goto I_noop |
#define LABEL(name) H_##name: SKIP16; I_##name: |
#define LABEL(name) H_##name: SKIP16; I_##name: |
#define IN_ENGINE2 |
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#elif ENGINE==3 |
#elif ENGINE==3 |
/* variant with different immediate arguments for finding out |
/* variant with different immediate arguments for finding out |
Line 254 extern int gforth_memcmp(const char * s1
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Line 266 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) H_##name: I_##name: |
#define LABEL(name) H_##name: asm(""); I_##name: |
#else |
#else |
#error illegal ENGINE value |
#error illegal ENGINE value |
#endif /* ENGINE */ |
#endif /* ENGINE */ |
Line 291 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 303 Label *engine(Xt *ip0, Cell *sp0, Cell *
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long long llrv; |
long long llrv; |
void * prv; |
void * prv; |
#endif |
#endif |
register Address up UPREG = UP; |
#ifdef HAS_LIBFFI |
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extern void * ritem; |
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extern void ** 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 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; |
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register Cell MAYBE_UNUSED spf speREG; |
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register Cell MAYBE_UNUSED spg speREG; |
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register Cell MAYBE_UNUSED sph speREG; |
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 358 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 378 Label *engine(Xt *ip0, Cell *sp0, Cell *
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return symbols; |
return symbols; |
} |
} |
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#if STACK_CACHE_DEFAULT>0 |
#if !(defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING)) |
sp += STACK_CACHE_DEFAULT-1; |
sp += STACK_CACHE_DEFAULT-1; |
#endif |
/* some of those registers are dead, but its simpler to initialize them all */ spTOS = sp[0]; |
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#if STACK_CACHE_DEFAULT>0 |
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spTOS = sp[0]; |
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#endif |
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#if STACK_CACHE_DEFAULT>1 |
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spb = sp[-1]; |
spb = sp[-1]; |
#endif |
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#if STACK_CACHE_DEFAULT>2 |
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spc = sp[-2]; |
spc = sp[-2]; |
#endif |
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#if STACK_CACHE_DEFAULT>3 |
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spd = sp[-3]; |
spd = sp[-3]; |
#endif |
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#if STACK_CACHE_DEFAULT>4 |
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spe = sp[-4]; |
spe = sp[-4]; |
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spf = sp[-5]; |
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spg = sp[-6]; |
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sph = sp[-7]; |
#endif |
#endif |
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IF_fpTOS(fpTOS = fp[0]); |
IF_fpTOS(fpTOS = fp[0]); |