--- gforth/engine/engine.c 2005/08/02 12:00:51 1.81 +++ gforth/engine/engine.c 2006/01/05 01:37:32 1.88 @@ -1,6 +1,6 @@ /* Gforth virtual machine (aka inner interpreter) - 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. This file is part of Gforth. @@ -71,6 +71,10 @@ #include #endif +#ifdef HAS_LIBFFI +#include +#endif + #ifndef SEEK_SET /* should be defined in stdio.h, but some systems don't have it */ #define SEEK_SET 0 @@ -237,16 +241,16 @@ extern int gforth_memcmp(const char * s1 } #endif -#ifdef HAS_FFCALL -#define SAVE_REGS IF_fpTOS(fp[0]=fpTOS); SP=sp; FP=fp; RP=rp; LP=lp; -#define REST_REGS sp=SP; fp=FP; rp=RP; lp=LP; IF_fpTOS(fpTOS=fp[0]); +#if defined(HAS_FFCALL) || defined(HAS_LIBFFI) +#define SAVE_REGS IF_fpTOS(fp[0]=fpTOS); gforth_SP=sp; gforth_FP=fp; gforth_RP=rp; gforth_LP=lp; +#define REST_REGS sp=gforth_SP; fp=gforth_FP; rp=gforth_RP; lp=gforth_LP; IF_fpTOS(fpTOS=fp[0]); #endif #if !defined(ENGINE) /* normal engine */ #define VARIANT(v) (v) #define JUMP(target) goto I_noop -#define LABEL(name) H_##name: I_##name: +#define LABEL(name) H_##name: asm(""); I_##name: #elif ENGINE==2 /* variant with padding between VM instructions for finding out @@ -255,7 +259,6 @@ extern int gforth_memcmp(const char * s1 #define VARIANT(v) (v) #define JUMP(target) goto I_noop #define LABEL(name) H_##name: SKIP16; I_##name: -#define IN_ENGINE2 #elif ENGINE==3 /* variant with different immediate arguments for finding out @@ -263,7 +266,7 @@ extern int gforth_memcmp(const char * s1 #define engine engine3 #define VARIANT(v) ((v)^0xffffffff) #define JUMP(target) goto K_lit -#define LABEL(name) H_##name: I_##name: +#define LABEL(name) H_##name: asm(""); I_##name: #else #error illegal ENGINE value #endif /* ENGINE */ @@ -300,7 +303,12 @@ Label *engine(Xt *ip0, Cell *sp0, Cell * long long llrv; void * prv; #endif - register Address up UPREG = UP; +#ifdef HAS_LIBFFI + extern void * ritem; + extern void ** clist; + extern void ffi_callback(ffi_cif * cif, void * resp, void ** args, Xt * ip); +#endif + register Address up UPREG = gforth_UP; register Cell MAYBE_UNUSED spTOS TOSREG; register Cell MAYBE_UNUSED spb spbREG; register Cell MAYBE_UNUSED spc spcREG;