--- gforth/engine/engine.c	2007/03/18 21:46:17	1.99
+++ gforth/engine/engine.c	2007/12/31 18:40:25	1.105
@@ -1,12 +1,12 @@
 /* Gforth virtual machine (aka inner interpreter)
 
-  Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006 Free Software Foundation, Inc.
+  Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+  along with this program; if not, see http://www.gnu.org/licenses/.
 */
 
 #if defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING)
@@ -24,7 +23,6 @@
 #else
 #define USE_TOS
 #endif
-#define USE_NO_FTOS
 
 #include "config.h"
 #include "forth.h"
@@ -236,7 +234,7 @@ extern int gforth_memcmp(const char * s1
 
 #ifdef GFORTH_DEBUGGING
 #if DEBUG
-#define NAME(string) { saved_ip=ip; asmcomment(string); fprintf(stderr,"%08lx depth=%3ld: "string"\n",(Cell)ip,sp0+3-sp);}
+#define NAME(string) { saved_ip=ip; asmcomment(string); fprintf(stderr,"%08lx depth=%3ld tos=%016lx: "string"\n",(Cell)ip,sp0+3-sp,sp[0]);}
 #else /* !DEBUG */
 #define NAME(string) { saved_ip=ip; asm(""); }
 /* the asm here is to avoid reordering of following stuff above the
@@ -265,6 +263,15 @@ extern int gforth_memcmp(const char * s1
       }
 #endif
 
+#ifdef STANDALONE
+jmp_buf throw_jmp_buf;
+
+void throw(int code)
+{
+  longjmp(throw_jmp_buf,code); /* !! or use siglongjmp ? */
+}
+#endif
+
 #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]);
@@ -275,6 +282,7 @@ extern int gforth_memcmp(const char * s1
 #define VARIANT(v)	(v)
 #define JUMP(target)	goto I_noop
 #define LABEL(name) H_##name: asm(""); I_##name:
+#define LABEL3(name) J_##name: asm("");
 
 #elif ENGINE==2
 /* variant with padding between VM instructions for finding out
@@ -283,6 +291,11 @@ 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:
+/* the SKIP16 after LABEL3 is there, because the ARM gcc may place
+   some constants after the final branch, and may refer to them from
+   the code before label3.  Since we don't copy the constants, we have
+   to make sure that such code is recognized as non-relocatable. */
+#define LABEL3(name) J_##name: SKIP16;
 
 #elif ENGINE==3
 /* variant with different immediate arguments for finding out
@@ -291,13 +304,13 @@ extern int gforth_memcmp(const char * s1
 #define VARIANT(v)	((v)^0xffffffff)
 #define JUMP(target)	goto K_lit
 #define LABEL(name) H_##name: asm(""); I_##name:
+#define LABEL3(name) J_##name: asm("");
 #else
 #error illegal ENGINE value
 #endif /* ENGINE */
 
 /* the asm(""); is there to get a stop compiled on Itanium */
 #define LABEL2(name) K_##name: asm("");
-#define LABEL3(name) J_##name: asm("");
 
 Label *gforth_engine(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0)
 /* executes code at ip, if ip!=NULL