--- gforth/engine/libcc.h.in	2007/12/31 17:34:59	1.2
+++ gforth/engine/libcc.h.in	2012/09/28 12:32:09	1.17
@@ -1,12 +1,12 @@
 /* header file for libcc-generated C code
 
-  Copyright (C) 2006,2007 Free Software Foundation, Inc.
+  Copyright (C) 2006,2007,2008 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,
@@ -15,20 +15,62 @@
   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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+  along with this program. If not, see http://www.gnu.org/licenses/.
 */
 
 #include <gforth/@PACKAGE_VERSION@/config.h>
 
+#if defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__) || defined(__ANDROID__)
+#undef HAS_BACKLINK
+#else
+#define HAS_BACKLINK 1
+#endif
+
 typedef CELL_TYPE Cell;
+typedef unsigned char Char;
 typedef double Float;
+typedef Char *Address;
+typedef void **Xt;
 
 #define Clongest long long
 typedef unsigned Clongest UClongest;
 
-extern Cell *gforth_SP;
-extern Float *gforth_FP;
+typedef struct {
+  Cell next_task;
+  Cell prev_task;
+  Cell save_task;
+  Cell* sp0;
+  Cell* rp0;
+  Float* fp0;
+  Address lp0;
+  Xt *throw_entry;
+} user_area;
+
+#ifdef HAS_BACKLINK
+extern __thread Cell *gforth_SP;
+extern __thread Float *gforth_FP;
+extern __thread Cell *gforth_RP;
+extern __thread char *gforth_LP;
+extern __thread char *gforth_UP;
+extern void *gforth_engine(void *);
+extern char *cstr(char *from, Cell size);
+extern char *tilde_cstr(char *from, Cell size);
+extern __thread void *throw_jmp_handler;
+extern user_area* gforth_stacks();
+#define GFORTH_ARGS void
+#else
+#define gforth_SP *((Cell **)(gforth_pointers(0)))
+#define gforth_FP *((Float **)(gforth_pointers(1)))
+#define gforth_LP *((char **)(gforth_pointers(2)))
+#define gforth_RP *((Cell **)(gforth_pointers(3)))
+#define gforth_UP *((char **)(gforth_pointers(4)))
+#define gforth_engine ((char *(*)(void *))gforth_pointers(5))
+#define cstr ((char *(*)(char *, Cell))gforth_pointers(6))
+#define tilde_cstr ((char *(*)(char *, Cell))gforth_pointers(7))
+#define throw_jmp_handler *((void**)(gforth_pointers(8)))
+#define gforth_stacks ((user_area *(*)())gforth_pointers(9))
+#define GFORTH_ARGS void *(*gforth_pointers)(Cell)
+#endif
 
 #define CELL_BITS	(sizeof(Cell) * 8)