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Diff for /gforth/libffi.fs between versions 1.29 and 1.36

version 1.29, 2008/08/09 21:28:39 version 1.36, 2012/07/23 14:15:51
Line 1 Line 1
 \ libffi.fs     shared library support package          14aug05py  \ libffi.fs     shared library support package          14aug05py
   
 \ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006,2007,2008 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 27  s" ffi" add-lib Line 27  s" ffi" add-lib
 \ The ffi.h of XCode needs the following line, and it should not hurt elsewhere  \ The ffi.h of XCode needs the following line, and it should not hurt elsewhere
 \c #define MACOSX  \c #define MACOSX
 include-ffi.h-string save-c-prefix-line \ #include <ffi.h>  include-ffi.h-string save-c-prefix-line \ #include <ffi.h>
 \c extern Cell *gforth_RP;  \c #include <stdio.h>
 \c extern unsigned char *gforth_LP;  
 \c static void **gforth_clist;  \c static void **gforth_clist;
 \c static void *gforth_ritem;  \c static void *gforth_ritem;
   \c #ifndef HAS_BACKLINK
   \c static void *(*saved_gforth_pointers)(Cell);
   \c #endif
 \c typedef void *Label;  \c typedef void *Label;
 \c typedef Label *Xt;  \c typedef Label *Xt;
 \c Label *gforth_engine(Xt *ip, Cell *sp, Cell *rp0, Float *fp, unsigned char *lp);  
 \c static void gforth_callback_ffi(ffi_cif * cif, void * resp, void ** args, void * ip)  \c static void gforth_callback_ffi(ffi_cif * cif, void * resp, void ** args, void * ip)
 \c {  \c {
 \c   Cell *rp1 = gforth_RP;  \c #ifndef HAS_BACKLINK
 \c   Cell *sp = gforth_SP;  \c   void *(*gforth_pointers)(Cell) = saved_gforth_pointers;
 \c   Float *fp = gforth_FP;  \c #endif
 \c   unsigned char *lp = gforth_LP;  \c   {
 \c   void ** clist = gforth_clist;  \c     Cell *rp1 = gforth_RP;
 \c   void * ritem = gforth_ritem;  \c     Cell *sp = gforth_SP;
   \c     Float *fp = gforth_FP;
   \c     unsigned char *lp = gforth_LP;
   \c     void ** clist = gforth_clist;
   \c     void * ritem = gforth_ritem;
   \c
   \c     gforth_clist = args;
   \c     gforth_ritem = resp;
   \c
   \c     gforth_engine((Xt *)ip);
 \c   \c 
 \c   gforth_clist = args;  \c     /* restore global variables */
 \c   gforth_ritem = resp;  \c     gforth_RP = rp1;
 \c   \c     gforth_SP = sp;
 \c   gforth_engine((Xt *)ip, sp, rp1, fp, lp);  \c     gforth_FP = fp;
 \c   \c     gforth_LP = lp;
 \c   /* restore global variables */  \c     gforth_clist = clist;
 \c   gforth_RP = rp1;  \c     gforth_ritem = ritem;
 \c   gforth_SP = sp;  \c   }
 \c   gforth_FP = fp;  
 \c   gforth_LP = lp;  
 \c   gforth_clist = clist;  
 \c   gforth_ritem = ritem;  
 \c }  \c }
   
 \c static void* ffi_types[] =  \c static void* ffi_types[] =
Line 77  c-function ffi-size ffi_size n -- n Line 83  c-function ffi-size ffi_size n -- n
 \c                        (ffi_type *)rtype, (ffi_type **)atypes)  \c                        (ffi_type *)rtype, (ffi_type **)atypes)
 c-function ffi-prep-cif ffi_prep_cif1 a n a a -- n  c-function ffi-prep-cif ffi_prep_cif1 a n a a -- n
   
   \c #ifdef HAS_BACKLINK
   \c #define ffi_call1(a_avalues, a_rvalue ,a_ip ,a_cif) \
   \c             ffi_call((ffi_cif *)a_cif, (void(*)())a_ip, \
   \c                      (void *)a_rvalue, (void **)a_avalues)
   \c #else
 \c #define ffi_call1(a_avalues, a_rvalue ,a_ip ,a_cif) \  \c #define ffi_call1(a_avalues, a_rvalue ,a_ip ,a_cif) \
   \c             (saved_gforth_pointers = gforth_pointers), \
 \c             ffi_call((ffi_cif *)a_cif, (void(*)())a_ip, \  \c             ffi_call((ffi_cif *)a_cif, (void(*)())a_ip, \
 \c                      (void *)a_rvalue, (void **)a_avalues)  \c                      (void *)a_rvalue, (void **)a_avalues)
   \c #endif
 c-function ffi-call ffi_call1 a a a a -- void  c-function ffi-call ffi_call1 a a a a -- void
   
 \c #define ffi_prep_closure1(a_ip, a_cif, a_closure) \  \c #define ffi_prep_closure1(a_ip, a_cif, a_closure) \
Line 218  DOES> ( -- )  dup thislib ! proc: ; Line 231  DOES> ( -- )  dup thislib ! proc: ;
     here thisproc @ 2 cells + ! parse-name s,      here thisproc @ 2 cells + ! parse-name s,
     thislib @ thisproc @ @proc ;      thislib @ thisproc @ @proc ;
   
   : func@ >body cell+ @ ;
   : func' ' func@ ;
   : [func'] postpone ['] postpone func@ ; immediate restrict
   
 \ stuff for libffi  \ stuff for libffi
   
 \ libffi uses a parameter array for the input  \ libffi uses a parameter array for the input
Line 257  Create argptr maxargs 0 [DO]  argbuf [I] Line 274  Create argptr maxargs 0 [DO]  argbuf [I]
 : sf>x  ( -- r )  retbuf sf@ ;  : sf>x  ( -- r )  retbuf sf@ ;
 : df>x  ( -- r )  retbuf df@ ;  : df>x  ( -- r )  retbuf df@ ;
   
 wordlist constant cifs  table constant cifs
   
 Variable cifbuf $40 allot \ maximum: 64 parameters  Variable cifbuf $40 allot \ maximum: 64 parameters
 : cifreset  cifbuf cell+ cifbuf ! ;  : cifreset  cifbuf cell+ cifbuf ! ;
Removed from v.1.29  
changed lines
  Added in v.1.36

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