--- gforth/libffi.fs 2005/12/11 19:31:48 1.7 +++ gforth/libffi.fs 2006/12/31 13:39:13 1.13 @@ -1,6 +1,6 @@ \ libffi.fs shared library support package 14aug05py -\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -104,9 +104,10 @@ Create argptr maxargs 0 [DO] argbuf [I] \ "forward" when revarg is on \ : >c+ ( char buf -- buf' ) tuck c! cell+ cell+ ; -: >i+ ( n buf -- buf' ) tuck ! cell+ cell+ ; +: >i+ ( n buf -- buf' ) tuck l! cell+ cell+ ; : >p+ ( addr buf -- buf' ) tuck ! cell+ cell+ ; : >d+ ( d buf -- buf' ) dup >r ffi-2! r> cell+ cell+ ; +: >dl+ ( d buf -- buf' ) nip dup >r ! r> cell+ cell+ ; : >sf+ ( r buf -- buf' ) dup sf! cell+ cell+ ; : >df+ ( r buf -- buf' ) dup df! cell+ cell+ ; @@ -115,6 +116,7 @@ Create argptr maxargs 0 [DO] argbuf [I] : >i- ( n buf -- buf' ) 2 cells - tuck l! ; : >p- ( addr buf -- buf' ) 2 cells - tuck ! ; : >d- ( d buf -- buf' ) 2 cells - dup >r ffi-2! r> ; +: >dl- ( d buf -- buf' ) 2 cells - nip dup >r ! r> ; : >sf- ( r buf -- buf' ) 2 cells - dup sf! ; : >df- ( r buf -- buf' ) 2 cells - dup df! ; @@ -123,6 +125,7 @@ Create argptr maxargs 0 [DO] argbuf [I] : i>x ( -- n ) retbuf l@ ; : is>x ( -- n ) retbuf sl@ ; : p>x ( -- addr ) retbuf @ ; +: dl>x ( -- d ) retbuf @ s>d ; : d>x ( -- d ) retbuf ffi-2@ ; : sf>x ( -- r ) retbuf sf@ ; : df>x ( -- r ) retbuf df@ ; @@ -148,6 +151,10 @@ Variable args args off revarg @ IF drop 0 ELSE 2* cells THEN argbuf + postpone Literal ; +Variable ind-call ind-call off +: fptr ind-call on Create here thisproc ! + 0 , 0 , 0 , 0 also c-decl DOES> cell+ dup cell+ cell+ >r ! ; + : ffi-call, ( -- lit-cif ) postpone drop postpone argptr postpone retbuf thisproc @ cell+ postpone literal postpone @ @@ -187,23 +194,30 @@ Variable args args off : rettype ( endxt n "name" -- ) Create 2, - DOES> 2@ args @ decl, symbol, previous revarg off args off ; + DOES> 2@ args @ decl, ind-call @ 0= IF symbol, THEN + previous revarg off args off ind-call off ; + +6 1 cells 4 > 2* - Constant _long also c-decl definitions : revarg on ; ' >i+ ' >i- 6 argtype int +' >p+ ' >p- _long argtype long ' >p+ ' >p- &12 argtype ptr ' >d+ ' >d- 8 argtype llong +' >dl+ ' >dl- 6 argtype dlong ' >sf+ ' >sf- 9 argtype sf ' >df+ ' >df- &10 argtype df ' noop 0 rettype (void) ' is>x 6 rettype (int) -' i>x 6 rettype (uint) +' i>x 5 rettype (uint) +' p>x _long rettype (long) ' p>x &12 rettype (ptr) ' d>x 8 rettype (llong) +' dl>x 6 rettype (dlong) ' sf>x 9 rettype (sf) ' df>x &10 rettype (fp) @@ -238,18 +252,17 @@ Variable callbacks Variable rtype -: alloc-callback ( -- addr ) - rtype @ create-cif - cif@ 1- tuck + c@ ffi-type here dup >r 1 ffi-size allot - ffi-prep-closure throw r> ; +: alloc-callback ( ip -- addr ) + rtype @ make-cif here 1 ffi-size allot + dup >r ffi-prep-closure throw r> ; : callback ( -- ) Create 0 ] postpone >r also cb-decl cifreset DOES> - Create here >r 0 , callbacks @ A, r@ callbacks ! + 0 Value -1 cells allot + here >r 0 , callbacks @ A, r@ callbacks ! swap postpone Literal postpone call , postpone EXIT - r> dup cell+ cell+ alloc-callback swap ! - DOES> @ ; + r@ cell+ cell+ alloc-callback r> ! ; : callback; ( 0 arg1 .. argn -- ) BEGIN over WHILE compile, REPEAT @@ -277,7 +290,9 @@ also cb-decl definitions ' ffi-arg-int 6 argtype' int ' ffi-arg-float 9 argtype' sf ' ffi-arg-double &10 argtype' df +' ffi-arg-long _long argtype' long ' ffi-arg-longlong 8 argtype' llong +' ffi-arg-dlong 6 argtype' dlong ' ffi-arg-ptr &12 argtype' ptr ' ffi-ret-void 0 rettype' (void) @@ -285,6 +300,8 @@ also cb-decl definitions ' ffi-ret-float 9 rettype' (sf) ' ffi-ret-double &10 rettype' (fp) ' ffi-ret-longlong 8 rettype' (llong) +' ffi-ret-long _long rettype' (long) +' ffi-ret-dlong _long rettype' (dlong) ' ffi-ret-ptr &12 rettype' (ptr) previous definitions