--- gforth/code.fs 1996/09/23 08:52:47 1.7 +++ gforth/code.fs 2010/04/10 14:36:34 1.20 @@ -1,12 +1,12 @@ \ ASSEMBLER, CODE etc. -\ Copyright (C) 1995 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1999,2003,2007 Free Software Foundation, Inc. \ This file is part of Gforth. \ Gforth is free software; you can redistribute it and/or \ modify it under the terms of the GNU General Public License -\ as published by the Free Software Foundation; either version 2 +\ as published by the Free Software Foundation, either version 3 \ of the License, or (at your option) any later version. \ This program is distributed in the hope that it will be useful, @@ -15,8 +15,7 @@ \ GNU General Public License for more details. \ You should have received a copy of the GNU General Public License -\ along with this program; if not, write to the Free Software -\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +\ along with this program. If not, see http://www.gnu.org/licenses/. \ does not include the actual assembler (which is machine-dependent), \ only words like CODE that are implementation-dependent, but can be @@ -24,32 +23,42 @@ vocabulary assembler ( -- ) \ tools-ext -: init-asm ( -- ) +: init-asm ( -- ) \ gforth also assembler ; : code ( "name" -- colon-sys ) \ tools-ext - \ start a native code definition + \G start a native code definition header - threading-method - if - here >body cfa, - then + here >body cfa, defstart init-asm ; +[ifdef] doabicode: +: abi-code ( "name" -- colon-sys ) \ gforth abi_code + \G Start a native code definition that is called using the platform's + \G ABI conventions corresponding to the C-prototype: + \G @example + \G struct@{Cell*sp;double*fp;@} function (Cell *sp, double *fp); + \G @end example + header + doabicode: cfa, + defstart init-asm ; +[endif] + : (;code) ( -- ) \ gforth \ execution semantics of @code{;code} - r> lastxt code-address! ; + r> latestxt code-address! ; :noname ( -- colon-sys ) - align here lastxt code-address! + align here latestxt code-address! defstart init-asm ; :noname ( colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code ( create the [;code] part of a low level defining word ) - ;-hook postpone (;code) ?struc postpone [ + ;-hook postpone (;code) basic-block-end finish-code ?struc postpone [ defstart init-asm ; interpret/compile: ;code ( compilation. colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code : end-code ( colon-sys -- ) \ gforth end_code - ( end a code definition ) - lastxt here over - flush-icache + \G end a code definition + latestxt here over - flush-icache previous ?struc reveal ; +