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Problem in generating tools chain for M32R.


Hi All,
we are trying to build the tools chain for "m32r" architecture with "cgen-20070901.tar.bz2" release.
I am following the instruction given in the "5.4.14 Interactive development" of the Porting section of the html help manual .


  1. Run |guile|.
  2. |(load "dev.scm")|
  3. Load application, e.g. |(load-opc)| or |(load-sim)|
  4. Load CPU description file, e.g. |(cload #:arch "m32r")|
  5. Run generators until output looks reasonable, e.g. |(cgen-opc.c)|

In step 5 i am getting following error.
will any one please help me in generating tool chains(simulator and assembler) for "m32r"?
/**********************************************/
guile> (cgen-opc.c)
Generating m32r-opc.c ...
/* Instruction opcode table for @arch@.


THIS FILE IS MACHINE GENERATED WITH CGEN.

Copyright 1996-2007 Free Software Foundation, Inc.

This file is part of the GNU Binutils and/or GDB, the GNU debugger.

  This file 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 3, or (at your option)
  any later version.

  It is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  or FITNESS FOR A PARTICULAR PURPOSE.  See the 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.,
  51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.

*/

#include "sysdep.h"
#include "ansidecl.h"
#include "bfd.h"
#include "symcat.h"
#include "@prefix@-desc.h"
#include "@prefix@-opc.h"
#include "libiberty.h"


Backtrace:
In ./opc-itab.scm:
724: 0* (opc-file-path)
724: 1 [gen-extra-opc.c ...
In ./utils.scm:
414: 2* [#<procedure #f ()>]
414: 3 [-string-write #(print-state 0) ...
412: 4* (cond ((string? expr) (display expr)) ((symbol? expr) (display expr)) ...)
403: 5* [-string-write #(print-state 0) #<procedure #f ()>]
In unknown file:
?: 6* [#<procedure #f (elm)> #<procedure #f ()>]
In ./utils.scm:
403: 7* [for-each #<procedure #f #> #]
401: 8 (let* ((pstate (make-print-state))) (set! -current-print-state pstate) ...)
In ./opc-itab.scm:
712: 9 [string-write "/* Instruction opcode table for @arch@.


THIS FILE IS MACHINE GENERATED WITH CGEN.

Copyright 1996-2007 Free Software Foundation, Inc.

This file is part of the GNU Binutils and/or GDB, the GNU debugger.

  This file 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 3, or (at your option)
  any later version.

  It is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  or FITNESS FOR A PARTICULAR PURPOSE.  See the 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.,
  51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.

*/

" ...]
In standard input:
  4: 10* [cgen-opc.c]

./opc-itab.scm:724:32: In expression (opc-file-path):
./opc-itab.scm:724:32: Unbound variable: opc-file-path
ABORT: (unbound-variable)
/*****************************************************************/


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